1 /* Jim - A small embeddable Tcl interpreter
3 * Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
4 * Copyright 2005 Clemens Hintze <c.hintze@gmx.net>
5 * Copyright 2005 patthoyts - Pat Thoyts <patthoyts@users.sf.net>
6 * Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
7 * Copyright 2008 Andrew Lunn <andrew@lunn.ch>
8 * Copyright 2008 Duane Ellis <openocd@duaneellis.com>
9 * Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
10 * Copyright 2008 Steve Bennett <steveb@workware.net.au>
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
26 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
27 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29 * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
36 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 * The views and conclusions contained in the software and documentation
39 * are those of the authors and should not be interpreted as representing
40 * official policies, either expressed or implied, of the Jim Tcl Project.
47 #define JIM_OPTIMIZATION /* comment to avoid optimizations and reduce size */
50 #include <pkgconf/jimtcl.h>
53 #define JIM_DYNLIB /* Dynamic library support for UNIX and WIN32 */
54 #endif /* JIM_ANSIC */
59 #include "replacements.h"
61 /* Include the platform dependent libraries for
62 * dynamic loading of libraries. */
64 #if defined(_WIN32) || defined(WIN32)
71 #define WIN32_LEAN_AND_MEAN
74 #pragma warning(disable:4146)
79 #endif /* JIM_DYNLIB */
82 #include <cyg/jimtcl/jim.h>
91 /* -----------------------------------------------------------------------------
93 * ---------------------------------------------------------------------------*/
95 /* A shared empty string for the objects string representation.
96 * Jim_InvalidateStringRep knows about it and don't try to free. */
97 static char *JimEmptyStringRep
= (char*) "";
99 /* -----------------------------------------------------------------------------
100 * Required prototypes of not exported functions
101 * ---------------------------------------------------------------------------*/
102 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
);
103 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
, int flags
);
104 static void JimRegisterCoreApi(Jim_Interp
*interp
);
106 static Jim_HashTableType
*getJimVariablesHashTableType(void);
108 /* -----------------------------------------------------------------------------
110 * ---------------------------------------------------------------------------*/
113 jim_vasprintf( const char *fmt
, va_list ap
)
115 #ifndef HAVE_VASPRINTF
117 static char buf
[2048];
118 vsnprintf( buf
, sizeof(buf
), fmt
, ap
);
119 /* garentee termination */
120 buf
[sizeof(buf
)-1] = 0;
124 result
= vasprintf( &buf
, fmt
, ap
);
125 if (result
< 0) exit(-1);
131 jim_vasprintf_done( void *buf
)
133 #ifndef HAVE_VASPRINTF
142 * Convert a string to a jim_wide INTEGER.
143 * This function originates from BSD.
145 * Ignores `locale' stuff. Assumes that the upper and lower case
146 * alphabets and digits are each contiguous.
148 #ifdef HAVE_LONG_LONG_INT
149 #define JimIsAscii(c) (((c) & ~0x7f) == 0)
150 static jim_wide
JimStrtoll(const char *nptr
, char **endptr
, register int base
)
152 register const char *s
;
153 register unsigned jim_wide acc
;
154 register unsigned char c
;
155 register unsigned jim_wide qbase
, cutoff
;
156 register int neg
, any
, cutlim
;
159 * Skip white space and pick up leading +/- sign if any.
160 * If base is 0, allow 0x for hex and 0 for octal, else
161 * assume decimal; if base is already 16, allow 0x.
166 } while (isspace(c
));
175 if ((base
== 0 || base
== 16) &&
176 c
== '0' && (*s
== 'x' || *s
== 'X')) {
182 base
= c
== '0' ? 8 : 10;
185 * Compute the cutoff value between legal numbers and illegal
186 * numbers. That is the largest legal value, divided by the
187 * base. An input number that is greater than this value, if
188 * followed by a legal input character, is too big. One that
189 * is equal to this value may be valid or not; the limit
190 * between valid and invalid numbers is then based on the last
191 * digit. For instance, if the range for quads is
192 * [-9223372036854775808..9223372036854775807] and the input base
193 * is 10, cutoff will be set to 922337203685477580 and cutlim to
194 * either 7 (neg==0) or 8 (neg==1), meaning that if we have
195 * accumulated a value > 922337203685477580, or equal but the
196 * next digit is > 7 (or 8), the number is too big, and we will
197 * return a range error.
199 * Set any if any `digits' consumed; make it negative to indicate
202 qbase
= (unsigned)base
;
203 cutoff
= neg
? (unsigned jim_wide
)-(LLONG_MIN
+ LLONG_MAX
) + LLONG_MAX
205 cutlim
= (int)(cutoff
% qbase
);
207 for (acc
= 0, any
= 0;; c
= *s
++) {
213 c
-= isupper(c
) ? 'A' - 10 : 'a' - 10;
218 if (any
< 0 || acc
> cutoff
|| (acc
== cutoff
&& c
> cutlim
))
227 acc
= neg
? LLONG_MIN
: LLONG_MAX
;
232 *endptr
= (char *)(any
? s
- 1 : nptr
);
237 /* Glob-style pattern matching. */
238 static int JimStringMatch(const char *pattern
, int patternLen
,
239 const char *string
, int stringLen
, int nocase
)
244 while (pattern
[1] == '*') {
249 return 1; /* match */
251 if (JimStringMatch(pattern
+1, patternLen
-1,
252 string
, stringLen
, nocase
))
253 return 1; /* match */
257 return 0; /* no match */
261 return 0; /* no match */
271 not = pattern
[0] == '^';
278 if (pattern
[0] == '\\') {
281 if (pattern
[0] == string
[0])
283 } else if (pattern
[0] == ']') {
285 } else if (patternLen
== 0) {
289 } else if (pattern
[1] == '-' && patternLen
>= 3) {
290 int start
= pattern
[0];
291 int end
= pattern
[2];
299 start
= tolower(start
);
305 if (c
>= start
&& c
<= end
)
309 if (pattern
[0] == string
[0])
312 if (tolower((int)pattern
[0]) == tolower((int)string
[0]))
322 return 0; /* no match */
328 if (patternLen
>= 2) {
335 if (pattern
[0] != string
[0])
336 return 0; /* no match */
338 if (tolower((int)pattern
[0]) != tolower((int)string
[0]))
339 return 0; /* no match */
347 if (stringLen
== 0) {
348 while(*pattern
== '*') {
355 if (patternLen
== 0 && stringLen
== 0)
360 int JimStringCompare(const char *s1
, int l1
, const char *s2
, int l2
,
363 unsigned char *u1
= (unsigned char*) s1
, *u2
= (unsigned char*) s2
;
369 u1
++; u2
++; l1
--; l2
--;
371 if (!l1
&& !l2
) return 0;
375 if (tolower((int)*u1
) != tolower((int)*u2
))
376 return tolower((int)*u1
)-tolower((int)*u2
);
377 u1
++; u2
++; l1
--; l2
--;
379 if (!l1
&& !l2
) return 0;
384 /* Search 's1' inside 's2', starting to search from char 'index' of 's2'.
385 * The index of the first occurrence of s1 in s2 is returned.
386 * If s1 is not found inside s2, -1 is returned. */
387 int JimStringFirst(const char *s1
, int l1
, const char *s2
, int l2
, int index
)
391 if (!l1
|| !l2
|| l1
> l2
) return -1;
392 if (index
< 0) index
= 0;
394 for (i
= index
; i
<= l2
-l1
; i
++) {
395 if (memcmp(s2
, s1
, l1
) == 0)
402 int Jim_WideToString(char *buf
, jim_wide wideValue
)
404 const char *fmt
= "%" JIM_WIDE_MODIFIER
;
405 return sprintf(buf
, fmt
, wideValue
);
408 int Jim_StringToWide(const char *str
, jim_wide
*widePtr
, int base
)
412 #ifdef HAVE_LONG_LONG_INT
413 *widePtr
= JimStrtoll(str
, &endptr
, base
);
415 *widePtr
= strtol(str
, &endptr
, base
);
417 if ((str
[0] == '\0') || (str
== endptr
) )
419 if (endptr
[0] != '\0') {
421 if (!isspace((int)*endptr
))
429 int Jim_StringToIndex(const char *str
, int *intPtr
)
433 *intPtr
= strtol(str
, &endptr
, 10);
434 if ( (str
[0] == '\0') || (str
== endptr
) )
436 if (endptr
[0] != '\0') {
438 if (!isspace((int)*endptr
))
446 /* The string representation of references has two features in order
447 * to make the GC faster. The first is that every reference starts
448 * with a non common character '~', in order to make the string matching
449 * fater. The second is that the reference string rep his 32 characters
450 * in length, this allows to avoid to check every object with a string
451 * repr < 32, and usually there are many of this objects. */
453 #define JIM_REFERENCE_SPACE (35+JIM_REFERENCE_TAGLEN)
455 static int JimFormatReference(char *buf
, Jim_Reference
*refPtr
, jim_wide id
)
457 const char *fmt
= "<reference.<%s>.%020" JIM_WIDE_MODIFIER
">";
458 sprintf(buf
, fmt
, refPtr
->tag
, id
);
459 return JIM_REFERENCE_SPACE
;
462 int Jim_DoubleToString(char *buf
, double doubleValue
)
467 len
= sprintf(buf
, "%.17g", doubleValue
);
470 if (*s
== '.') return len
;
473 /* Add a final ".0" if it's a number. But not
475 if (isdigit((int)buf
[0])
476 || ((buf
[0] == '-' || buf
[0] == '+')
477 && isdigit((int)buf
[1]))) {
486 int Jim_StringToDouble(const char *str
, double *doublePtr
)
490 *doublePtr
= strtod(str
, &endptr
);
491 if (str
[0] == '\0' || endptr
[0] != '\0' || (str
== endptr
) )
496 static jim_wide
JimPowWide(jim_wide b
, jim_wide e
)
499 if ((b
==0 && e
!=0) || (e
<0)) return 0;
500 for(i
=0; i
<e
; i
++) {res
*= b
;}
504 /* -----------------------------------------------------------------------------
506 * ---------------------------------------------------------------------------*/
508 /* Note that 'interp' may be NULL if not available in the
509 * context of the panic. It's only useful to get the error
510 * file descriptor, it will default to stderr otherwise. */
511 void Jim_Panic(Jim_Interp
*interp
, const char *fmt
, ...)
517 * Send it here first.. Assuming STDIO still works
519 fprintf(stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
520 vfprintf(stderr
, fmt
, ap
);
521 fprintf(stderr
, JIM_NL JIM_NL
);
524 #ifdef HAVE_BACKTRACE
530 size
= backtrace(array
, 40);
531 strings
= backtrace_symbols(array
, size
);
532 for (i
= 0; i
< size
; i
++)
533 fprintf(fp
,"[backtrace] %s" JIM_NL
, strings
[i
]);
534 fprintf(fp
,"[backtrace] Include the above lines and the output" JIM_NL
);
535 fprintf(fp
,"[backtrace] of 'nm <executable>' in the bug report." JIM_NL
);
539 /* This may actually crash... we do it last */
540 if( interp
&& interp
->cookie_stderr
){
541 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
542 Jim_vfprintf( interp
, interp
->cookie_stderr
, fmt
, ap
);
543 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL JIM_NL
);
548 /* -----------------------------------------------------------------------------
550 * ---------------------------------------------------------------------------*/
552 /* Macro used for memory debugging.
553 * In order for they to work you have to rename Jim_Alloc into _Jim_Alloc
554 * and similary for Jim_Realloc and Jim_Free */
556 #define Jim_Alloc(s) (printf("%s %d: Jim_Alloc(%d)\n",__FILE__,__LINE__,s),_Jim_Alloc(s))
557 #define Jim_Free(p) (printf("%s %d: Jim_Free(%p)\n",__FILE__,__LINE__,p),_Jim_Free(p))
558 #define Jim_Realloc(p,s) (printf("%s %d: Jim_Realloc(%p,%d)\n",__FILE__,__LINE__,p,s),_Jim_Realloc(p,s))
561 void *Jim_Alloc(int size
)
563 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
566 void *p
= malloc(size
);
568 Jim_Panic(NULL
,"malloc: Out of memory");
572 void Jim_Free(void *ptr
) {
576 void *Jim_Realloc(void *ptr
, int size
)
578 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
581 void *p
= realloc(ptr
, size
);
583 Jim_Panic(NULL
,"realloc: Out of memory");
587 char *Jim_StrDup(const char *s
)
590 char *copy
= Jim_Alloc(l
+1);
592 memcpy(copy
, s
, l
+1);
596 char *Jim_StrDupLen(const char *s
, int l
)
598 char *copy
= Jim_Alloc(l
+1);
600 memcpy(copy
, s
, l
+1);
601 copy
[l
] = 0; /* Just to be sure, original could be substring */
605 /* -----------------------------------------------------------------------------
606 * Time related functions
607 * ---------------------------------------------------------------------------*/
608 /* Returns microseconds of CPU used since start. */
609 static jim_wide
JimClock(void)
611 #if (defined WIN32) && !(defined JIM_ANSIC)
613 QueryPerformanceFrequency(&f
);
614 QueryPerformanceCounter(&t
);
615 return (long)((t
.QuadPart
* 1000000) / f
.QuadPart
);
617 clock_t clocks
= clock();
619 return (long)(clocks
*(1000000/CLOCKS_PER_SEC
));
623 /* -----------------------------------------------------------------------------
625 * ---------------------------------------------------------------------------*/
627 /* -------------------------- private prototypes ---------------------------- */
628 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
);
629 static unsigned int JimHashTableNextPower(unsigned int size
);
630 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
);
632 /* -------------------------- hash functions -------------------------------- */
634 /* Thomas Wang's 32 bit Mix Function */
635 unsigned int Jim_IntHashFunction(unsigned int key
)
646 /* Identity hash function for integer keys */
647 unsigned int Jim_IdentityHashFunction(unsigned int key
)
652 /* Generic hash function (we are using to multiply by 9 and add the byte
654 unsigned int Jim_GenHashFunction(const unsigned char *buf
, int len
)
662 /* ----------------------------- API implementation ------------------------- */
663 /* reset an hashtable already initialized with ht_init().
664 * NOTE: This function should only called by ht_destroy(). */
665 static void JimResetHashTable(Jim_HashTable
*ht
)
674 /* Initialize the hash table */
675 int Jim_InitHashTable(Jim_HashTable
*ht
, Jim_HashTableType
*type
,
678 JimResetHashTable(ht
);
680 ht
->privdata
= privDataPtr
;
684 /* Resize the table to the minimal size that contains all the elements,
685 * but with the invariant of a USER/BUCKETS ration near to <= 1 */
686 int Jim_ResizeHashTable(Jim_HashTable
*ht
)
688 int minimal
= ht
->used
;
690 if (minimal
< JIM_HT_INITIAL_SIZE
)
691 minimal
= JIM_HT_INITIAL_SIZE
;
692 return Jim_ExpandHashTable(ht
, minimal
);
695 /* Expand or create the hashtable */
696 int Jim_ExpandHashTable(Jim_HashTable
*ht
, unsigned int size
)
698 Jim_HashTable n
; /* the new hashtable */
699 unsigned int realsize
= JimHashTableNextPower(size
), i
;
701 /* the size is invalid if it is smaller than the number of
702 * elements already inside the hashtable */
703 if (ht
->used
>= size
)
706 Jim_InitHashTable(&n
, ht
->type
, ht
->privdata
);
708 n
.sizemask
= realsize
-1;
709 n
.table
= Jim_Alloc(realsize
*sizeof(Jim_HashEntry
*));
711 /* Initialize all the pointers to NULL */
712 memset(n
.table
, 0, realsize
*sizeof(Jim_HashEntry
*));
714 /* Copy all the elements from the old to the new table:
715 * note that if the old hash table is empty ht->size is zero,
716 * so Jim_ExpandHashTable just creates an hash table. */
718 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
719 Jim_HashEntry
*he
, *nextHe
;
721 if (ht
->table
[i
] == NULL
) continue;
723 /* For each hash entry on this slot... */
729 /* Get the new element index */
730 h
= Jim_HashKey(ht
, he
->key
) & n
.sizemask
;
731 he
->next
= n
.table
[h
];
734 /* Pass to the next element */
738 assert(ht
->used
== 0);
741 /* Remap the new hashtable in the old */
746 /* Add an element to the target hash table */
747 int Jim_AddHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
750 Jim_HashEntry
*entry
;
752 /* Get the index of the new element, or -1 if
753 * the element already exists. */
754 if ((index
= JimInsertHashEntry(ht
, key
)) == -1)
757 /* Allocates the memory and stores key */
758 entry
= Jim_Alloc(sizeof(*entry
));
759 entry
->next
= ht
->table
[index
];
760 ht
->table
[index
] = entry
;
762 /* Set the hash entry fields. */
763 Jim_SetHashKey(ht
, entry
, key
);
764 Jim_SetHashVal(ht
, entry
, val
);
769 /* Add an element, discarding the old if the key already exists */
770 int Jim_ReplaceHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
772 Jim_HashEntry
*entry
;
774 /* Try to add the element. If the key
775 * does not exists Jim_AddHashEntry will suceed. */
776 if (Jim_AddHashEntry(ht
, key
, val
) == JIM_OK
)
778 /* It already exists, get the entry */
779 entry
= Jim_FindHashEntry(ht
, key
);
780 /* Free the old value and set the new one */
781 Jim_FreeEntryVal(ht
, entry
);
782 Jim_SetHashVal(ht
, entry
, val
);
786 /* Search and remove an element */
787 int Jim_DeleteHashEntry(Jim_HashTable
*ht
, const void *key
)
790 Jim_HashEntry
*he
, *prevHe
;
794 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
799 if (Jim_CompareHashKeys(ht
, key
, he
->key
)) {
800 /* Unlink the element from the list */
802 prevHe
->next
= he
->next
;
804 ht
->table
[h
] = he
->next
;
805 Jim_FreeEntryKey(ht
, he
);
806 Jim_FreeEntryVal(ht
, he
);
814 return JIM_ERR
; /* not found */
817 /* Destroy an entire hash table */
818 int Jim_FreeHashTable(Jim_HashTable
*ht
)
822 /* Free all the elements */
823 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
824 Jim_HashEntry
*he
, *nextHe
;
826 if ((he
= ht
->table
[i
]) == NULL
) continue;
829 Jim_FreeEntryKey(ht
, he
);
830 Jim_FreeEntryVal(ht
, he
);
836 /* Free the table and the allocated cache structure */
838 /* Re-initialize the table */
839 JimResetHashTable(ht
);
840 return JIM_OK
; /* never fails */
843 Jim_HashEntry
*Jim_FindHashEntry(Jim_HashTable
*ht
, const void *key
)
848 if (ht
->size
== 0) return NULL
;
849 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
852 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
859 Jim_HashTableIterator
*Jim_GetHashTableIterator(Jim_HashTable
*ht
)
861 Jim_HashTableIterator
*iter
= Jim_Alloc(sizeof(*iter
));
866 iter
->nextEntry
= NULL
;
870 Jim_HashEntry
*Jim_NextHashEntry(Jim_HashTableIterator
*iter
)
873 if (iter
->entry
== NULL
) {
876 (signed)iter
->ht
->size
) break;
877 iter
->entry
= iter
->ht
->table
[iter
->index
];
879 iter
->entry
= iter
->nextEntry
;
882 /* We need to save the 'next' here, the iterator user
883 * may delete the entry we are returning. */
884 iter
->nextEntry
= iter
->entry
->next
;
891 /* ------------------------- private functions ------------------------------ */
893 /* Expand the hash table if needed */
894 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
)
896 /* If the hash table is empty expand it to the intial size,
897 * if the table is "full" dobule its size. */
899 return Jim_ExpandHashTable(ht
, JIM_HT_INITIAL_SIZE
);
900 if (ht
->size
== ht
->used
)
901 return Jim_ExpandHashTable(ht
, ht
->size
*2);
905 /* Our hash table capability is a power of two */
906 static unsigned int JimHashTableNextPower(unsigned int size
)
908 unsigned int i
= JIM_HT_INITIAL_SIZE
;
910 if (size
>= 2147483648U)
919 /* Returns the index of a free slot that can be populated with
920 * an hash entry for the given 'key'.
921 * If the key already exists, -1 is returned. */
922 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
)
927 /* Expand the hashtable if needed */
928 if (JimExpandHashTableIfNeeded(ht
) == JIM_ERR
)
930 /* Compute the key hash value */
931 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
932 /* Search if this slot does not already contain the given key */
935 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
942 /* ----------------------- StringCopy Hash Table Type ------------------------*/
944 static unsigned int JimStringCopyHTHashFunction(const void *key
)
946 return Jim_GenHashFunction(key
, strlen(key
));
949 static const void *JimStringCopyHTKeyDup(void *privdata
, const void *key
)
951 int len
= strlen(key
);
952 char *copy
= Jim_Alloc(len
+1);
953 JIM_NOTUSED(privdata
);
955 memcpy(copy
, key
, len
);
960 static void *JimStringKeyValCopyHTValDup(void *privdata
, const void *val
)
962 int len
= strlen(val
);
963 char *copy
= Jim_Alloc(len
+1);
964 JIM_NOTUSED(privdata
);
966 memcpy(copy
, val
, len
);
971 static int JimStringCopyHTKeyCompare(void *privdata
, const void *key1
,
974 JIM_NOTUSED(privdata
);
976 return strcmp(key1
, key2
) == 0;
979 static void JimStringCopyHTKeyDestructor(void *privdata
, const void *key
)
981 JIM_NOTUSED(privdata
);
983 Jim_Free((void*)key
); /* ATTENTION: const cast */
986 static void JimStringKeyValCopyHTValDestructor(void *privdata
, void *val
)
988 JIM_NOTUSED(privdata
);
990 Jim_Free((void*)val
); /* ATTENTION: const cast */
993 static Jim_HashTableType JimStringCopyHashTableType
= {
994 JimStringCopyHTHashFunction
, /* hash function */
995 JimStringCopyHTKeyDup
, /* key dup */
997 JimStringCopyHTKeyCompare
, /* key compare */
998 JimStringCopyHTKeyDestructor
, /* key destructor */
999 NULL
/* val destructor */
1002 /* This is like StringCopy but does not auto-duplicate the key.
1003 * It's used for intepreter's shared strings. */
1004 static Jim_HashTableType JimSharedStringsHashTableType
= {
1005 JimStringCopyHTHashFunction
, /* hash function */
1008 JimStringCopyHTKeyCompare
, /* key compare */
1009 JimStringCopyHTKeyDestructor
, /* key destructor */
1010 NULL
/* val destructor */
1013 /* This is like StringCopy but also automatically handle dynamic
1014 * allocated C strings as values. */
1015 static Jim_HashTableType JimStringKeyValCopyHashTableType
= {
1016 JimStringCopyHTHashFunction
, /* hash function */
1017 JimStringCopyHTKeyDup
, /* key dup */
1018 JimStringKeyValCopyHTValDup
, /* val dup */
1019 JimStringCopyHTKeyCompare
, /* key compare */
1020 JimStringCopyHTKeyDestructor
, /* key destructor */
1021 JimStringKeyValCopyHTValDestructor
, /* val destructor */
1024 typedef struct AssocDataValue
{
1025 Jim_InterpDeleteProc
*delProc
;
1029 static void JimAssocDataHashTableValueDestructor(void *privdata
, void *data
)
1031 AssocDataValue
*assocPtr
= (AssocDataValue
*)data
;
1032 if (assocPtr
->delProc
!= NULL
)
1033 assocPtr
->delProc((Jim_Interp
*)privdata
, assocPtr
->data
);
1037 static Jim_HashTableType JimAssocDataHashTableType
= {
1038 JimStringCopyHTHashFunction
, /* hash function */
1039 JimStringCopyHTKeyDup
, /* key dup */
1041 JimStringCopyHTKeyCompare
, /* key compare */
1042 JimStringCopyHTKeyDestructor
, /* key destructor */
1043 JimAssocDataHashTableValueDestructor
/* val destructor */
1046 /* -----------------------------------------------------------------------------
1047 * Stack - This is a simple generic stack implementation. It is used for
1048 * example in the 'expr' expression compiler.
1049 * ---------------------------------------------------------------------------*/
1050 void Jim_InitStack(Jim_Stack
*stack
)
1054 stack
->vector
= NULL
;
1057 void Jim_FreeStack(Jim_Stack
*stack
)
1059 Jim_Free(stack
->vector
);
1062 int Jim_StackLen(Jim_Stack
*stack
)
1067 void Jim_StackPush(Jim_Stack
*stack
, void *element
) {
1068 int neededLen
= stack
->len
+1;
1069 if (neededLen
> stack
->maxlen
) {
1070 stack
->maxlen
= neededLen
*2;
1071 stack
->vector
= Jim_Realloc(stack
->vector
, sizeof(void*)*stack
->maxlen
);
1073 stack
->vector
[stack
->len
] = element
;
1077 void *Jim_StackPop(Jim_Stack
*stack
)
1079 if (stack
->len
== 0) return NULL
;
1081 return stack
->vector
[stack
->len
];
1084 void *Jim_StackPeek(Jim_Stack
*stack
)
1086 if (stack
->len
== 0) return NULL
;
1087 return stack
->vector
[stack
->len
-1];
1090 void Jim_FreeStackElements(Jim_Stack
*stack
, void (*freeFunc
)(void *ptr
))
1094 for (i
= 0; i
< stack
->len
; i
++)
1095 freeFunc(stack
->vector
[i
]);
1098 /* -----------------------------------------------------------------------------
1100 * ---------------------------------------------------------------------------*/
1103 #define JIM_TT_NONE -1 /* No token returned */
1104 #define JIM_TT_STR 0 /* simple string */
1105 #define JIM_TT_ESC 1 /* string that needs escape chars conversion */
1106 #define JIM_TT_VAR 2 /* var substitution */
1107 #define JIM_TT_DICTSUGAR 3 /* Syntax sugar for [dict get], $foo(bar) */
1108 #define JIM_TT_CMD 4 /* command substitution */
1109 #define JIM_TT_SEP 5 /* word separator */
1110 #define JIM_TT_EOL 6 /* line separator */
1112 /* Additional token types needed for expressions */
1113 #define JIM_TT_SUBEXPR_START 7
1114 #define JIM_TT_SUBEXPR_END 8
1115 #define JIM_TT_EXPR_NUMBER 9
1116 #define JIM_TT_EXPR_OPERATOR 10
1119 #define JIM_PS_DEF 0 /* Default state */
1120 #define JIM_PS_QUOTE 1 /* Inside "" */
1122 /* Parser context structure. The same context is used both to parse
1123 * Tcl scripts and lists. */
1124 struct JimParserCtx
{
1125 const char *prg
; /* Program text */
1126 const char *p
; /* Pointer to the point of the program we are parsing */
1127 int len
; /* Left length of 'prg' */
1128 int linenr
; /* Current line number */
1130 const char *tend
; /* Returned token is at tstart-tend in 'prg'. */
1131 int tline
; /* Line number of the returned token */
1132 int tt
; /* Token type */
1133 int eof
; /* Non zero if EOF condition is true. */
1134 int state
; /* Parser state */
1135 int comment
; /* Non zero if the next chars may be a comment. */
1138 #define JimParserEof(c) ((c)->eof)
1139 #define JimParserTstart(c) ((c)->tstart)
1140 #define JimParserTend(c) ((c)->tend)
1141 #define JimParserTtype(c) ((c)->tt)
1142 #define JimParserTline(c) ((c)->tline)
1144 static int JimParseScript(struct JimParserCtx
*pc
);
1145 static int JimParseSep(struct JimParserCtx
*pc
);
1146 static int JimParseEol(struct JimParserCtx
*pc
);
1147 static int JimParseCmd(struct JimParserCtx
*pc
);
1148 static int JimParseVar(struct JimParserCtx
*pc
);
1149 static int JimParseBrace(struct JimParserCtx
*pc
);
1150 static int JimParseStr(struct JimParserCtx
*pc
);
1151 static int JimParseComment(struct JimParserCtx
*pc
);
1152 static char *JimParserGetToken(struct JimParserCtx
*pc
,
1153 int *lenPtr
, int *typePtr
, int *linePtr
);
1155 /* Initialize a parser context.
1156 * 'prg' is a pointer to the program text, linenr is the line
1157 * number of the first line contained in the program. */
1158 void JimParserInit(struct JimParserCtx
*pc
, const char *prg
,
1159 int len
, int linenr
)
1167 pc
->tt
= JIM_TT_NONE
;
1169 pc
->state
= JIM_PS_DEF
;
1170 pc
->linenr
= linenr
;
1174 int JimParseScript(struct JimParserCtx
*pc
)
1176 while(1) { /* the while is used to reiterate with continue if needed */
1180 pc
->tline
= pc
->linenr
;
1181 pc
->tt
= JIM_TT_EOL
;
1187 if (*(pc
->p
+1) == '\n')
1188 return JimParseSep(pc
);
1191 return JimParseStr(pc
);
1197 if (pc
->state
== JIM_PS_DEF
)
1198 return JimParseSep(pc
);
1201 return JimParseStr(pc
);
1207 if (pc
->state
== JIM_PS_DEF
)
1208 return JimParseEol(pc
);
1210 return JimParseStr(pc
);
1214 return JimParseCmd(pc
);
1218 if (JimParseVar(pc
) == JIM_ERR
) {
1219 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
1220 pc
->tline
= pc
->linenr
;
1221 pc
->tt
= JIM_TT_STR
;
1228 JimParseComment(pc
);
1231 return JimParseStr(pc
);
1235 return JimParseStr(pc
);
1242 int JimParseSep(struct JimParserCtx
*pc
)
1245 pc
->tline
= pc
->linenr
;
1246 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' ||
1247 (*pc
->p
== '\\' && *(pc
->p
+1) == '\n')) {
1248 if (*pc
->p
== '\\') {
1255 pc
->tt
= JIM_TT_SEP
;
1259 int JimParseEol(struct JimParserCtx
*pc
)
1262 pc
->tline
= pc
->linenr
;
1263 while (*pc
->p
== ' ' || *pc
->p
== '\n' ||
1264 *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== ';') {
1270 pc
->tt
= JIM_TT_EOL
;
1274 /* Todo. Don't stop if ']' appears inside {} or quoted.
1275 * Also should handle the case of puts [string length "]"] */
1276 int JimParseCmd(struct JimParserCtx
*pc
)
1281 pc
->tstart
= ++pc
->p
; pc
->len
--;
1282 pc
->tline
= pc
->linenr
;
1286 } else if (*pc
->p
== '[' && blevel
== 0) {
1288 } else if (*pc
->p
== ']' && blevel
== 0) {
1291 } else if (*pc
->p
== '\\') {
1293 } else if (*pc
->p
== '{') {
1295 } else if (*pc
->p
== '}') {
1298 } else if (*pc
->p
== '\n')
1303 pc
->tt
= JIM_TT_CMD
;
1304 if (*pc
->p
== ']') {
1310 int JimParseVar(struct JimParserCtx
*pc
)
1312 int brace
= 0, stop
= 0, ttype
= JIM_TT_VAR
;
1314 pc
->tstart
= ++pc
->p
; pc
->len
--; /* skip the $ */
1315 pc
->tline
= pc
->linenr
;
1316 if (*pc
->p
== '{') {
1317 pc
->tstart
= ++pc
->p
; pc
->len
--;
1322 if (*pc
->p
== '}' || pc
->len
== 0) {
1328 else if (*pc
->p
== '\n')
1333 /* Include leading colons */
1334 while (*pc
->p
== ':') {
1339 if (!((*pc
->p
>= 'a' && *pc
->p
<= 'z') ||
1340 (*pc
->p
>= 'A' && *pc
->p
<= 'Z') ||
1341 (*pc
->p
>= '0' && *pc
->p
<= '9') || *pc
->p
== '_'))
1347 /* Parse [dict get] syntax sugar. */
1348 if (*pc
->p
== '(') {
1349 while (*pc
->p
!= ')' && pc
->len
) {
1351 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1352 pc
->p
+= 2; pc
->len
-= 2;
1355 if (*pc
->p
!= '\0') {
1358 ttype
= JIM_TT_DICTSUGAR
;
1362 /* Check if we parsed just the '$' character.
1363 * That's not a variable so an error is returned
1364 * to tell the state machine to consider this '$' just
1366 if (pc
->tstart
== pc
->p
) {
1374 int JimParseBrace(struct JimParserCtx
*pc
)
1378 pc
->tstart
= ++pc
->p
; pc
->len
--;
1379 pc
->tline
= pc
->linenr
;
1381 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1385 } else if (*pc
->p
== '{') {
1387 } else if (pc
->len
== 0 || *pc
->p
== '}') {
1389 if (pc
->len
== 0 || level
== 0) {
1394 pc
->tt
= JIM_TT_STR
;
1397 } else if (*pc
->p
== '\n') {
1402 return JIM_OK
; /* unreached */
1405 int JimParseStr(struct JimParserCtx
*pc
)
1407 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1408 pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_STR
);
1409 if (newword
&& *pc
->p
== '{') {
1410 return JimParseBrace(pc
);
1411 } else if (newword
&& *pc
->p
== '"') {
1412 pc
->state
= JIM_PS_QUOTE
;
1416 pc
->tline
= pc
->linenr
;
1420 pc
->tt
= JIM_TT_ESC
;
1425 if (pc
->state
== JIM_PS_DEF
&&
1426 *(pc
->p
+1) == '\n') {
1428 pc
->tt
= JIM_TT_ESC
;
1438 pc
->tt
= JIM_TT_ESC
;
1445 if (pc
->state
== JIM_PS_DEF
) {
1447 pc
->tt
= JIM_TT_ESC
;
1449 } else if (*pc
->p
== '\n') {
1454 if (pc
->state
== JIM_PS_QUOTE
) {
1456 pc
->tt
= JIM_TT_ESC
;
1458 pc
->state
= JIM_PS_DEF
;
1465 return JIM_OK
; /* unreached */
1468 int JimParseComment(struct JimParserCtx
*pc
)
1471 if (*pc
->p
== '\n') {
1473 if (*(pc
->p
-1) != '\\') {
1483 /* xdigitval and odigitval are helper functions for JimParserGetToken() */
1484 static int xdigitval(int c
)
1486 if (c
>= '0' && c
<= '9') return c
-'0';
1487 if (c
>= 'a' && c
<= 'f') return c
-'a'+10;
1488 if (c
>= 'A' && c
<= 'F') return c
-'A'+10;
1492 static int odigitval(int c
)
1494 if (c
>= '0' && c
<= '7') return c
-'0';
1498 /* Perform Tcl escape substitution of 's', storing the result
1499 * string into 'dest'. The escaped string is guaranteed to
1500 * be the same length or shorted than the source string.
1501 * Slen is the length of the string at 's', if it's -1 the string
1502 * length will be calculated by the function.
1504 * The function returns the length of the resulting string. */
1505 static int JimEscape(char *dest
, const char *s
, int slen
)
1513 for (i
= 0; i
< slen
; i
++) {
1517 case 'a': *p
++ = 0x7; i
++; break;
1518 case 'b': *p
++ = 0x8; i
++; break;
1519 case 'f': *p
++ = 0xc; i
++; break;
1520 case 'n': *p
++ = 0xa; i
++; break;
1521 case 'r': *p
++ = 0xd; i
++; break;
1522 case 't': *p
++ = 0x9; i
++; break;
1523 case 'v': *p
++ = 0xb; i
++; break;
1524 case '\0': *p
++ = '\\'; i
++; break;
1525 case '\n': *p
++ = ' '; i
++; break;
1527 if (s
[i
+1] == 'x') {
1529 int c
= xdigitval(s
[i
+2]);
1536 c
= xdigitval(s
[i
+3]);
1546 } else if (s
[i
+1] >= '0' && s
[i
+1] <= '7')
1549 int c
= odigitval(s
[i
+1]);
1551 c
= odigitval(s
[i
+2]);
1558 c
= odigitval(s
[i
+3]);
1584 /* Returns a dynamically allocated copy of the current token in the
1585 * parser context. The function perform conversion of escapes if
1586 * the token is of type JIM_TT_ESC.
1588 * Note that after the conversion, tokens that are grouped with
1589 * braces in the source code, are always recognizable from the
1590 * identical string obtained in a different way from the type.
1592 * For exmple the string:
1596 * will return as first token "expand", of type JIM_TT_STR
1602 * will return as first token "expand", of type JIM_TT_ESC
1604 char *JimParserGetToken(struct JimParserCtx
*pc
,
1605 int *lenPtr
, int *typePtr
, int *linePtr
)
1607 const char *start
, *end
;
1611 start
= JimParserTstart(pc
);
1612 end
= JimParserTend(pc
);
1614 if (lenPtr
) *lenPtr
= 0;
1615 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1616 if (linePtr
) *linePtr
= JimParserTline(pc
);
1617 token
= Jim_Alloc(1);
1621 len
= (end
-start
)+1;
1622 token
= Jim_Alloc(len
+1);
1623 if (JimParserTtype(pc
) != JIM_TT_ESC
) {
1624 /* No escape conversion needed? Just copy it. */
1625 memcpy(token
, start
, len
);
1628 /* Else convert the escape chars. */
1629 len
= JimEscape(token
, start
, len
);
1631 if (lenPtr
) *lenPtr
= len
;
1632 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1633 if (linePtr
) *linePtr
= JimParserTline(pc
);
1637 /* The following functin is not really part of the parsing engine of Jim,
1638 * but it somewhat related. Given an string and its length, it tries
1639 * to guess if the script is complete or there are instead " " or { }
1640 * open and not completed. This is useful for interactive shells
1641 * implementation and for [info complete].
1643 * If 'stateCharPtr' != NULL, the function stores ' ' on complete script,
1644 * '{' on scripts incomplete missing one or more '}' to be balanced.
1645 * '"' on scripts incomplete missing a '"' char.
1647 * If the script is complete, 1 is returned, otherwise 0. */
1648 int Jim_ScriptIsComplete(const char *s
, int len
, char *stateCharPtr
)
1662 } else if (state
== '"') {
1669 } else if (state
== ' ') {
1686 *stateCharPtr
= state
;
1687 return state
== ' ';
1690 /* -----------------------------------------------------------------------------
1692 * ---------------------------------------------------------------------------*/
1693 static int JimParseListSep(struct JimParserCtx
*pc
);
1694 static int JimParseListStr(struct JimParserCtx
*pc
);
1696 int JimParseList(struct JimParserCtx
*pc
)
1699 pc
->tstart
= pc
->tend
= pc
->p
;
1700 pc
->tline
= pc
->linenr
;
1701 pc
->tt
= JIM_TT_EOL
;
1710 if (pc
->state
== JIM_PS_DEF
)
1711 return JimParseListSep(pc
);
1713 return JimParseListStr(pc
);
1716 return JimParseListStr(pc
);
1722 int JimParseListSep(struct JimParserCtx
*pc
)
1725 pc
->tline
= pc
->linenr
;
1726 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== '\n')
1731 pc
->tt
= JIM_TT_SEP
;
1735 int JimParseListStr(struct JimParserCtx
*pc
)
1737 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1738 pc
->tt
== JIM_TT_NONE
);
1739 if (newword
&& *pc
->p
== '{') {
1740 return JimParseBrace(pc
);
1741 } else if (newword
&& *pc
->p
== '"') {
1742 pc
->state
= JIM_PS_QUOTE
;
1746 pc
->tline
= pc
->linenr
;
1750 pc
->tt
= JIM_TT_ESC
;
1761 if (pc
->state
== JIM_PS_DEF
) {
1763 pc
->tt
= JIM_TT_ESC
;
1765 } else if (*pc
->p
== '\n') {
1770 if (pc
->state
== JIM_PS_QUOTE
) {
1772 pc
->tt
= JIM_TT_ESC
;
1774 pc
->state
= JIM_PS_DEF
;
1781 return JIM_OK
; /* unreached */
1784 /* -----------------------------------------------------------------------------
1785 * Jim_Obj related functions
1786 * ---------------------------------------------------------------------------*/
1788 /* Return a new initialized object. */
1789 Jim_Obj
*Jim_NewObj(Jim_Interp
*interp
)
1793 /* -- Check if there are objects in the free list -- */
1794 if (interp
->freeList
!= NULL
) {
1795 /* -- Unlink the object from the free list -- */
1796 objPtr
= interp
->freeList
;
1797 interp
->freeList
= objPtr
->nextObjPtr
;
1799 /* -- No ready to use objects: allocate a new one -- */
1800 objPtr
= Jim_Alloc(sizeof(*objPtr
));
1803 /* Object is returned with refCount of 0. Every
1804 * kind of GC implemented should take care to don't try
1805 * to scan objects with refCount == 0. */
1806 objPtr
->refCount
= 0;
1807 /* All the other fields are left not initialized to save time.
1808 * The caller will probably want set they to the right
1811 /* -- Put the object into the live list -- */
1812 objPtr
->prevObjPtr
= NULL
;
1813 objPtr
->nextObjPtr
= interp
->liveList
;
1814 if (interp
->liveList
)
1815 interp
->liveList
->prevObjPtr
= objPtr
;
1816 interp
->liveList
= objPtr
;
1821 /* Free an object. Actually objects are never freed, but
1822 * just moved to the free objects list, where they will be
1823 * reused by Jim_NewObj(). */
1824 void Jim_FreeObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1826 /* Check if the object was already freed, panic. */
1827 if (objPtr
->refCount
!= 0) {
1828 Jim_Panic(interp
,"!!!Object %p freed with bad refcount %d", objPtr
,
1831 /* Free the internal representation */
1832 Jim_FreeIntRep(interp
, objPtr
);
1833 /* Free the string representation */
1834 if (objPtr
->bytes
!= NULL
) {
1835 if (objPtr
->bytes
!= JimEmptyStringRep
)
1836 Jim_Free(objPtr
->bytes
);
1838 /* Unlink the object from the live objects list */
1839 if (objPtr
->prevObjPtr
)
1840 objPtr
->prevObjPtr
->nextObjPtr
= objPtr
->nextObjPtr
;
1841 if (objPtr
->nextObjPtr
)
1842 objPtr
->nextObjPtr
->prevObjPtr
= objPtr
->prevObjPtr
;
1843 if (interp
->liveList
== objPtr
)
1844 interp
->liveList
= objPtr
->nextObjPtr
;
1845 /* Link the object into the free objects list */
1846 objPtr
->prevObjPtr
= NULL
;
1847 objPtr
->nextObjPtr
= interp
->freeList
;
1848 if (interp
->freeList
)
1849 interp
->freeList
->prevObjPtr
= objPtr
;
1850 interp
->freeList
= objPtr
;
1851 objPtr
->refCount
= -1;
1854 /* Invalidate the string representation of an object. */
1855 void Jim_InvalidateStringRep(Jim_Obj
*objPtr
)
1857 if (objPtr
->bytes
!= NULL
) {
1858 if (objPtr
->bytes
!= JimEmptyStringRep
)
1859 Jim_Free(objPtr
->bytes
);
1861 objPtr
->bytes
= NULL
;
1864 #define Jim_SetStringRep(o, b, l) \
1865 do { (o)->bytes = b; (o)->length = l; } while (0)
1867 /* Set the initial string representation for an object.
1868 * Does not try to free an old one. */
1869 void Jim_InitStringRep(Jim_Obj
*objPtr
, const char *bytes
, int length
)
1872 objPtr
->bytes
= JimEmptyStringRep
;
1875 objPtr
->bytes
= Jim_Alloc(length
+1);
1876 objPtr
->length
= length
;
1877 memcpy(objPtr
->bytes
, bytes
, length
);
1878 objPtr
->bytes
[length
] = '\0';
1882 /* Duplicate an object. The returned object has refcount = 0. */
1883 Jim_Obj
*Jim_DuplicateObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1887 dupPtr
= Jim_NewObj(interp
);
1888 if (objPtr
->bytes
== NULL
) {
1889 /* Object does not have a valid string representation. */
1890 dupPtr
->bytes
= NULL
;
1892 Jim_InitStringRep(dupPtr
, objPtr
->bytes
, objPtr
->length
);
1894 if (objPtr
->typePtr
!= NULL
) {
1895 if (objPtr
->typePtr
->dupIntRepProc
== NULL
) {
1896 dupPtr
->internalRep
= objPtr
->internalRep
;
1898 objPtr
->typePtr
->dupIntRepProc(interp
, objPtr
, dupPtr
);
1900 dupPtr
->typePtr
= objPtr
->typePtr
;
1902 dupPtr
->typePtr
= NULL
;
1907 /* Return the string representation for objPtr. If the object
1908 * string representation is invalid, calls the method to create
1909 * a new one starting from the internal representation of the object. */
1910 const char *Jim_GetString(Jim_Obj
*objPtr
, int *lenPtr
)
1912 if (objPtr
->bytes
== NULL
) {
1913 /* Invalid string repr. Generate it. */
1914 if (objPtr
->typePtr
->updateStringProc
== NULL
) {
1915 Jim_Panic(NULL
,"UpdataStringProc called against '%s' type.",
1916 objPtr
->typePtr
->name
);
1918 objPtr
->typePtr
->updateStringProc(objPtr
);
1921 *lenPtr
= objPtr
->length
;
1922 return objPtr
->bytes
;
1925 /* Just returns the length of the object's string rep */
1926 int Jim_Length(Jim_Obj
*objPtr
)
1930 Jim_GetString(objPtr
, &len
);
1934 /* -----------------------------------------------------------------------------
1936 * ---------------------------------------------------------------------------*/
1937 static void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
1938 static int SetStringFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
1940 static Jim_ObjType stringObjType
= {
1943 DupStringInternalRep
,
1945 JIM_TYPE_REFERENCES
,
1948 void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
1950 JIM_NOTUSED(interp
);
1952 /* This is a bit subtle: the only caller of this function
1953 * should be Jim_DuplicateObj(), that will copy the
1954 * string representaion. After the copy, the duplicated
1955 * object will not have more room in teh buffer than
1956 * srcPtr->length bytes. So we just set it to length. */
1957 dupPtr
->internalRep
.strValue
.maxLength
= srcPtr
->length
;
1960 int SetStringFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1962 /* Get a fresh string representation. */
1963 (void) Jim_GetString(objPtr
, NULL
);
1964 /* Free any other internal representation. */
1965 Jim_FreeIntRep(interp
, objPtr
);
1966 /* Set it as string, i.e. just set the maxLength field. */
1967 objPtr
->typePtr
= &stringObjType
;
1968 objPtr
->internalRep
.strValue
.maxLength
= objPtr
->length
;
1972 Jim_Obj
*Jim_NewStringObj(Jim_Interp
*interp
, const char *s
, int len
)
1974 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
1978 /* Alloc/Set the string rep. */
1980 objPtr
->bytes
= JimEmptyStringRep
;
1983 objPtr
->bytes
= Jim_Alloc(len
+1);
1984 objPtr
->length
= len
;
1985 memcpy(objPtr
->bytes
, s
, len
);
1986 objPtr
->bytes
[len
] = '\0';
1989 /* No typePtr field for the vanilla string object. */
1990 objPtr
->typePtr
= NULL
;
1994 /* This version does not try to duplicate the 's' pointer, but
1995 * use it directly. */
1996 Jim_Obj
*Jim_NewStringObjNoAlloc(Jim_Interp
*interp
, char *s
, int len
)
1998 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
2002 Jim_SetStringRep(objPtr
, s
, len
);
2003 objPtr
->typePtr
= NULL
;
2007 /* Low-level string append. Use it only against objects
2008 * of type "string". */
2009 void StringAppendString(Jim_Obj
*objPtr
, const char *str
, int len
)
2015 needlen
= objPtr
->length
+ len
;
2016 if (objPtr
->internalRep
.strValue
.maxLength
< needlen
||
2017 objPtr
->internalRep
.strValue
.maxLength
== 0) {
2018 if (objPtr
->bytes
== JimEmptyStringRep
) {
2019 objPtr
->bytes
= Jim_Alloc((needlen
*2)+1);
2021 objPtr
->bytes
= Jim_Realloc(objPtr
->bytes
, (needlen
*2)+1);
2023 objPtr
->internalRep
.strValue
.maxLength
= needlen
*2;
2025 memcpy(objPtr
->bytes
+ objPtr
->length
, str
, len
);
2026 objPtr
->bytes
[objPtr
->length
+len
] = '\0';
2027 objPtr
->length
+= len
;
2030 /* Low-level wrapper to append an object. */
2031 void StringAppendObj(Jim_Obj
*objPtr
, Jim_Obj
*appendObjPtr
)
2036 str
= Jim_GetString(appendObjPtr
, &len
);
2037 StringAppendString(objPtr
, str
, len
);
2040 /* Higher level API to append strings to objects. */
2041 void Jim_AppendString(Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *str
,
2044 if (Jim_IsShared(objPtr
))
2045 Jim_Panic(interp
,"Jim_AppendString called with shared object");
2046 if (objPtr
->typePtr
!= &stringObjType
)
2047 SetStringFromAny(interp
, objPtr
);
2048 StringAppendString(objPtr
, str
, len
);
2051 void Jim_AppendString_sprintf( Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *fmt
, ... )
2056 va_start( ap
, fmt
);
2057 buf
= jim_vasprintf( fmt
, ap
);
2061 Jim_AppendString( interp
, objPtr
, buf
, -1 );
2062 jim_vasprintf_done(buf
);
2067 void Jim_AppendObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2068 Jim_Obj
*appendObjPtr
)
2073 str
= Jim_GetString(appendObjPtr
, &len
);
2074 Jim_AppendString(interp
, objPtr
, str
, len
);
2077 void Jim_AppendStrings(Jim_Interp
*interp
, Jim_Obj
*objPtr
, ...)
2081 if (objPtr
->typePtr
!= &stringObjType
)
2082 SetStringFromAny(interp
, objPtr
);
2083 va_start(ap
, objPtr
);
2085 char *s
= va_arg(ap
, char*);
2087 if (s
== NULL
) break;
2088 Jim_AppendString(interp
, objPtr
, s
, -1);
2093 int Jim_StringEqObj(Jim_Obj
*aObjPtr
, Jim_Obj
*bObjPtr
, int nocase
)
2095 const char *aStr
, *bStr
;
2098 if (aObjPtr
== bObjPtr
) return 1;
2099 aStr
= Jim_GetString(aObjPtr
, &aLen
);
2100 bStr
= Jim_GetString(bObjPtr
, &bLen
);
2101 if (aLen
!= bLen
) return 0;
2103 return memcmp(aStr
, bStr
, aLen
) == 0;
2104 for (i
= 0; i
< aLen
; i
++) {
2105 if (tolower((int)aStr
[i
]) != tolower((int)bStr
[i
]))
2111 int Jim_StringMatchObj(Jim_Obj
*patternObjPtr
, Jim_Obj
*objPtr
,
2114 const char *pattern
, *string
;
2115 int patternLen
, stringLen
;
2117 pattern
= Jim_GetString(patternObjPtr
, &patternLen
);
2118 string
= Jim_GetString(objPtr
, &stringLen
);
2119 return JimStringMatch(pattern
, patternLen
, string
, stringLen
, nocase
);
2122 int Jim_StringCompareObj(Jim_Obj
*firstObjPtr
,
2123 Jim_Obj
*secondObjPtr
, int nocase
)
2125 const char *s1
, *s2
;
2128 s1
= Jim_GetString(firstObjPtr
, &l1
);
2129 s2
= Jim_GetString(secondObjPtr
, &l2
);
2130 return JimStringCompare(s1
, l1
, s2
, l2
, nocase
);
2133 /* Convert a range, as returned by Jim_GetRange(), into
2134 * an absolute index into an object of the specified length.
2135 * This function may return negative values, or values
2136 * bigger or equal to the length of the list if the index
2137 * is out of range. */
2138 static int JimRelToAbsIndex(int len
, int index
)
2145 /* Convert a pair of index as normalize by JimRelToAbsIndex(),
2146 * into a range stored in *firstPtr, *lastPtr, *rangeLenPtr, suitable
2147 * for implementation of commands like [string range] and [lrange].
2149 * The resulting range is guaranteed to address valid elements of
2151 static void JimRelToAbsRange(int len
, int first
, int last
,
2152 int *firstPtr
, int *lastPtr
, int *rangeLenPtr
)
2159 rangeLen
= last
-first
+1;
2166 rangeLen
-= (last
-(len
-1));
2171 if (rangeLen
< 0) rangeLen
= 0;
2175 *rangeLenPtr
= rangeLen
;
2178 Jim_Obj
*Jim_StringRangeObj(Jim_Interp
*interp
,
2179 Jim_Obj
*strObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
2185 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
2186 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
2188 str
= Jim_GetString(strObjPtr
, &len
);
2189 first
= JimRelToAbsIndex(len
, first
);
2190 last
= JimRelToAbsIndex(len
, last
);
2191 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
2192 return Jim_NewStringObj(interp
, str
+first
, rangeLen
);
2195 static Jim_Obj
*JimStringToLower(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2199 if (strObjPtr
->typePtr
!= &stringObjType
) {
2200 SetStringFromAny(interp
, strObjPtr
);
2203 buf
= Jim_Alloc(strObjPtr
->length
+1);
2205 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2206 for (i
= 0; i
< strObjPtr
->length
; i
++)
2207 buf
[i
] = tolower(buf
[i
]);
2208 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2211 static Jim_Obj
*JimStringToUpper(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2215 if (strObjPtr
->typePtr
!= &stringObjType
) {
2216 SetStringFromAny(interp
, strObjPtr
);
2219 buf
= Jim_Alloc(strObjPtr
->length
+1);
2221 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2222 for (i
= 0; i
< strObjPtr
->length
; i
++)
2223 buf
[i
] = toupper(buf
[i
]);
2224 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2227 /* This is the core of the [format] command.
2228 * TODO: Lots of things work - via a hack
2229 * However, no format item can be >= JIM_MAX_FMT
2231 #define JIM_MAX_FMT 2048
2232 static Jim_Obj
*Jim_FormatString_Inner(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2233 int objc
, Jim_Obj
*const *objv
, char *sprintf_buf
)
2235 const char *fmt
, *_fmt
;
2240 fmt
= Jim_GetString(fmtObjPtr
, &fmtLen
);
2242 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
2244 const char *p
= fmt
;
2248 /* we cheat and use Sprintf()! */
2262 while (*fmt
!= '%' && fmtLen
) {
2265 Jim_AppendString(interp
, resObjPtr
, p
, fmt
-p
);
2268 fmt
++; fmtLen
--; /* skip '%' */
2277 prec
= -1; /* not found yet */
2284 case 'b': /* binary - not all printfs() do this */
2285 case 's': /* string */
2286 case 'i': /* integer */
2287 case 'd': /* decimal */
2289 case 'X': /* CAP hex */
2290 case 'c': /* char */
2291 case 'o': /* octal */
2292 case 'u': /* unsigned */
2293 case 'f': /* float */
2297 case '0': /* zero pad */
2307 case ' ': /* sign space */
2337 while( isdigit(*fmt
) && (fmtLen
> 0) ){
2338 accum
= (accum
* 10) + (*fmt
- '0');
2349 /* suck up the next item as an integer */
2353 goto not_enough_args
;
2355 if( Jim_GetWide(interp
,objv
[0],&wideValue
)== JIM_ERR
){
2356 Jim_FreeNewObj(interp
, resObjPtr
);
2363 /* man 3 printf says */
2364 /* if prec is negative, it is zero */
2383 Jim_FreeNewObj(interp
, resObjPtr
);
2384 Jim_SetResultString(interp
,
2385 "not enough arguments for all format specifiers", -1);
2393 * Create the formatter
2394 * cause we cheat and use sprintf()
2404 /* PLUS overrides */
2414 sprintf( cp
, "%d", width
);
2418 /* did we find a period? */
2422 /* did something occur after the period? */
2424 sprintf( cp
, "%d", prec
);
2430 /* here we do the work */
2431 /* actually - we make sprintf() do it for us */
2436 /* BUG: we do not handled embeded NULLs */
2437 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, Jim_GetString( objv
[0], NULL
));
2442 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2443 Jim_FreeNewObj(interp
, resObjPtr
);
2446 c
= (char) wideValue
;
2447 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, c
);
2457 if( Jim_GetDouble( interp
, objv
[0], &doubleValue
) == JIM_ERR
){
2458 Jim_FreeNewObj( interp
, resObjPtr
);
2461 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, doubleValue
);
2470 /* jim widevaluse are 64bit */
2471 if( sizeof(jim_wide
) == sizeof(long long) ){
2479 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2480 Jim_FreeNewObj(interp
, resObjPtr
);
2483 snprintf(sprintf_buf
, JIM_MAX_FMT
, fmt_str
, wideValue
);
2486 sprintf_buf
[0] = '%';
2488 objv
--; /* undo the objv++ below */
2491 spec
[0] = *fmt
; spec
[1] = '\0';
2492 Jim_FreeNewObj(interp
, resObjPtr
);
2493 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2494 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2495 "bad field specifier \"", spec
, "\"", NULL
);
2498 /* force terminate */
2500 printf("FMT was: %s\n", fmt_str
);
2501 printf("RES was: |%s|\n", sprintf_buf
);
2504 sprintf_buf
[ JIM_MAX_FMT
- 1] = 0;
2505 Jim_AppendString( interp
, resObjPtr
, sprintf_buf
, strlen(sprintf_buf
) );
2514 Jim_Obj
*Jim_FormatString(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2515 int objc
, Jim_Obj
*const *objv
)
2517 char *sprintf_buf
=malloc(JIM_MAX_FMT
);
2518 Jim_Obj
*t
=Jim_FormatString_Inner(interp
, fmtObjPtr
, objc
, objv
, sprintf_buf
);
2523 /* -----------------------------------------------------------------------------
2524 * Compared String Object
2525 * ---------------------------------------------------------------------------*/
2527 /* This is strange object that allows to compare a C literal string
2528 * with a Jim object in very short time if the same comparison is done
2529 * multiple times. For example every time the [if] command is executed,
2530 * Jim has to check if a given argument is "else". This comparions if
2531 * the code has no errors are true most of the times, so we can cache
2532 * inside the object the pointer of the string of the last matching
2533 * comparison. Because most C compilers perform literal sharing,
2534 * so that: char *x = "foo", char *y = "foo", will lead to x == y,
2535 * this works pretty well even if comparisons are at different places
2536 * inside the C code. */
2538 static Jim_ObjType comparedStringObjType
= {
2543 JIM_TYPE_REFERENCES
,
2546 /* The only way this object is exposed to the API is via the following
2547 * function. Returns true if the string and the object string repr.
2548 * are the same, otherwise zero is returned.
2550 * Note: this isn't binary safe, but it hardly needs to be.*/
2551 int Jim_CompareStringImmediate(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2554 if (objPtr
->typePtr
== &comparedStringObjType
&&
2555 objPtr
->internalRep
.ptr
== str
)
2558 const char *objStr
= Jim_GetString(objPtr
, NULL
);
2559 if (strcmp(str
, objStr
) != 0) return 0;
2560 if (objPtr
->typePtr
!= &comparedStringObjType
) {
2561 Jim_FreeIntRep(interp
, objPtr
);
2562 objPtr
->typePtr
= &comparedStringObjType
;
2564 objPtr
->internalRep
.ptr
= (char*)str
; /*ATTENTION: const cast */
2569 int qsortCompareStringPointers(const void *a
, const void *b
)
2571 char * const *sa
= (char * const *)a
;
2572 char * const *sb
= (char * const *)b
;
2573 return strcmp(*sa
, *sb
);
2576 int Jim_GetEnum(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2577 const char * const *tablePtr
, int *indexPtr
, const char *name
, int flags
)
2579 const char * const *entryPtr
= NULL
;
2580 char **tablePtrSorted
;
2584 for (entryPtr
= tablePtr
, i
= 0; *entryPtr
!= NULL
; entryPtr
++, i
++) {
2585 if (Jim_CompareStringImmediate(interp
, objPtr
, *entryPtr
)) {
2589 count
++; /* If nothing matches, this will reach the len of tablePtr */
2591 if (flags
& JIM_ERRMSG
) {
2594 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2595 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2596 "bad ", name
, " \"", Jim_GetString(objPtr
, NULL
), "\": must be one of ",
2598 tablePtrSorted
= Jim_Alloc(sizeof(char*)*count
);
2599 memcpy(tablePtrSorted
, tablePtr
, sizeof(char*)*count
);
2600 qsort(tablePtrSorted
, count
, sizeof(char*), qsortCompareStringPointers
);
2601 for (i
= 0; i
< count
; i
++) {
2602 if (i
+1 == count
&& count
> 1)
2603 Jim_AppendString(interp
, Jim_GetResult(interp
), "or ", -1);
2604 Jim_AppendString(interp
, Jim_GetResult(interp
),
2605 tablePtrSorted
[i
], -1);
2607 Jim_AppendString(interp
, Jim_GetResult(interp
), ", ", -1);
2609 Jim_Free(tablePtrSorted
);
2614 int Jim_GetNvp(Jim_Interp
*interp
,
2616 const Jim_Nvp
*nvp_table
,
2617 const Jim_Nvp
** result
)
2622 e
= Jim_Nvp_name2value_obj( interp
, nvp_table
, objPtr
, &n
);
2627 /* Success? found? */
2630 *result
= (Jim_Nvp
*)n
;
2637 /* -----------------------------------------------------------------------------
2640 * This object is just a string from the language point of view, but
2641 * in the internal representation it contains the filename and line number
2642 * where this given token was read. This information is used by
2643 * Jim_EvalObj() if the object passed happens to be of type "source".
2645 * This allows to propagate the information about line numbers and file
2646 * names and give error messages with absolute line numbers.
2648 * Note that this object uses shared strings for filenames, and the
2649 * pointer to the filename together with the line number is taken into
2650 * the space for the "inline" internal represenation of the Jim_Object,
2651 * so there is almost memory zero-overhead.
2653 * Also the object will be converted to something else if the given
2654 * token it represents in the source file is not something to be
2655 * evaluated (not a script), and will be specialized in some other way,
2656 * so the time overhead is alzo null.
2657 * ---------------------------------------------------------------------------*/
2659 static void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2660 static void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2662 static Jim_ObjType sourceObjType
= {
2664 FreeSourceInternalRep
,
2665 DupSourceInternalRep
,
2667 JIM_TYPE_REFERENCES
,
2670 void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2672 Jim_ReleaseSharedString(interp
,
2673 objPtr
->internalRep
.sourceValue
.fileName
);
2676 void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2678 dupPtr
->internalRep
.sourceValue
.fileName
=
2679 Jim_GetSharedString(interp
,
2680 srcPtr
->internalRep
.sourceValue
.fileName
);
2681 dupPtr
->internalRep
.sourceValue
.lineNumber
=
2682 dupPtr
->internalRep
.sourceValue
.lineNumber
;
2683 dupPtr
->typePtr
= &sourceObjType
;
2686 static void JimSetSourceInfo(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2687 const char *fileName
, int lineNumber
)
2689 if (Jim_IsShared(objPtr
))
2690 Jim_Panic(interp
,"JimSetSourceInfo called with shared object");
2691 if (objPtr
->typePtr
!= NULL
)
2692 Jim_Panic(interp
,"JimSetSourceInfo called with typePtr != NULL");
2693 objPtr
->internalRep
.sourceValue
.fileName
=
2694 Jim_GetSharedString(interp
, fileName
);
2695 objPtr
->internalRep
.sourceValue
.lineNumber
= lineNumber
;
2696 objPtr
->typePtr
= &sourceObjType
;
2699 /* -----------------------------------------------------------------------------
2701 * ---------------------------------------------------------------------------*/
2703 #define JIM_CMDSTRUCT_EXPAND -1
2705 static void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2706 static void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2707 static int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
2709 static Jim_ObjType scriptObjType
= {
2711 FreeScriptInternalRep
,
2712 DupScriptInternalRep
,
2714 JIM_TYPE_REFERENCES
,
2717 /* The ScriptToken structure represents every token into a scriptObj.
2718 * Every token contains an associated Jim_Obj that can be specialized
2719 * by commands operating on it. */
2720 typedef struct ScriptToken
{
2726 /* This is the script object internal representation. An array of
2727 * ScriptToken structures, with an associated command structure array.
2728 * The command structure is a pre-computed representation of the
2729 * command length and arguments structure as a simple liner array
2732 * For example the script:
2735 * set $i $x$y [foo]BAR
2737 * will produce a ScriptObj with the following Tokens:
2754 * This is a description of the tokens, separators, and of lines.
2755 * The command structure instead represents the number of arguments
2756 * of every command, followed by the tokens of which every argument
2757 * is composed. So for the example script, the cmdstruct array will
2762 * Because "puts hello" has two args (2), composed of single tokens (1 1)
2763 * While "set $i $x$y [foo]BAR" has four (4) args, the first two
2764 * composed of single tokens (1 1) and the last two of double tokens
2767 * The precomputation of the command structure makes Jim_Eval() faster,
2768 * and simpler because there aren't dynamic lengths / allocations.
2770 * -- {expand} handling --
2772 * Expand is handled in a special way. When a command
2773 * contains at least an argument with the {expand} prefix,
2774 * the command structure presents a -1 before the integer
2775 * describing the number of arguments. This is used in order
2776 * to send the command exection to a different path in case
2777 * of {expand} and guarantee a fast path for the more common
2778 * case. Also, the integers describing the number of tokens
2779 * are expressed with negative sign, to allow for fast check
2780 * of what's an {expand}-prefixed argument and what not.
2782 * For example the command:
2784 * list {expand}{1 2}
2786 * Will produce the following cmdstruct array:
2790 * -- the substFlags field of the structure --
2792 * The scriptObj structure is used to represent both "script" objects
2793 * and "subst" objects. In the second case, the cmdStruct related
2794 * fields are not used at all, but there is an additional field used
2795 * that is 'substFlags': this represents the flags used to turn
2796 * the string into the intenral representation used to perform the
2797 * substitution. If this flags are not what the application requires
2798 * the scriptObj is created again. For example the script:
2800 * subst -nocommands $string
2801 * subst -novariables $string
2803 * Will recreate the internal representation of the $string object
2806 typedef struct ScriptObj
{
2807 int len
; /* Length as number of tokens. */
2808 int commands
; /* number of top-level commands in script. */
2809 ScriptToken
*token
; /* Tokens array. */
2810 int *cmdStruct
; /* commands structure */
2811 int csLen
; /* length of the cmdStruct array. */
2812 int substFlags
; /* flags used for the compilation of "subst" objects */
2813 int inUse
; /* Used to share a ScriptObj. Currently
2814 only used by Jim_EvalObj() as protection against
2815 shimmering of the currently evaluated object. */
2819 void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2822 struct ScriptObj
*script
= (void*) objPtr
->internalRep
.ptr
;
2825 if (script
->inUse
!= 0) return;
2826 for (i
= 0; i
< script
->len
; i
++) {
2827 if (script
->token
[i
].objPtr
!= NULL
)
2828 Jim_DecrRefCount(interp
, script
->token
[i
].objPtr
);
2830 Jim_Free(script
->token
);
2831 Jim_Free(script
->cmdStruct
);
2832 Jim_Free(script
->fileName
);
2836 void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2838 JIM_NOTUSED(interp
);
2839 JIM_NOTUSED(srcPtr
);
2841 /* Just returns an simple string. */
2842 dupPtr
->typePtr
= NULL
;
2845 /* Add a new token to the internal repr of a script object */
2846 static void ScriptObjAddToken(Jim_Interp
*interp
, struct ScriptObj
*script
,
2847 char *strtoken
, int len
, int type
, char *filename
, int linenr
)
2850 struct ScriptToken
*token
;
2852 prevtype
= (script
->len
== 0) ? JIM_TT_EOL
: \
2853 script
->token
[script
->len
-1].type
;
2854 /* Skip tokens without meaning, like words separators
2855 * following a word separator or an end of command and
2857 if (prevtype
== JIM_TT_EOL
) {
2858 if (type
== JIM_TT_EOL
|| type
== JIM_TT_SEP
) {
2862 } else if (prevtype
== JIM_TT_SEP
) {
2863 if (type
== JIM_TT_SEP
) {
2866 } else if (type
== JIM_TT_EOL
) {
2867 /* If an EOL is following by a SEP, drop the previous
2870 Jim_DecrRefCount(interp
, script
->token
[script
->len
].objPtr
);
2872 } else if (prevtype
!= JIM_TT_EOL
&& prevtype
!= JIM_TT_SEP
&&
2873 type
== JIM_TT_ESC
&& len
== 0)
2875 /* Don't add empty tokens used in interpolation */
2879 /* Make space for a new istruction */
2881 script
->token
= Jim_Realloc(script
->token
,
2882 sizeof(ScriptToken
)*script
->len
);
2883 /* Initialize the new token */
2884 token
= script
->token
+(script
->len
-1);
2886 /* Every object is intially as a string, but the
2887 * internal type may be specialized during execution of the
2889 token
->objPtr
= Jim_NewStringObjNoAlloc(interp
, strtoken
, len
);
2890 /* To add source info to SEP and EOL tokens is useless because
2891 * they will never by called as arguments of Jim_EvalObj(). */
2892 if (filename
&& type
!= JIM_TT_SEP
&& type
!= JIM_TT_EOL
)
2893 JimSetSourceInfo(interp
, token
->objPtr
, filename
, linenr
);
2894 Jim_IncrRefCount(token
->objPtr
);
2895 token
->linenr
= linenr
;
2898 /* Add an integer into the command structure field of the script object. */
2899 static void ScriptObjAddInt(struct ScriptObj
*script
, int val
)
2902 script
->cmdStruct
= Jim_Realloc(script
->cmdStruct
,
2903 sizeof(int)*script
->csLen
);
2904 script
->cmdStruct
[script
->csLen
-1] = val
;
2907 /* Search a Jim_Obj contained in 'script' with the same stinrg repr.
2908 * of objPtr. Search nested script objects recursively. */
2909 static Jim_Obj
*ScriptSearchLiteral(Jim_Interp
*interp
, ScriptObj
*script
,
2910 ScriptObj
*scriptBarrier
, Jim_Obj
*objPtr
)
2914 for (i
= 0; i
< script
->len
; i
++) {
2915 if (script
->token
[i
].objPtr
!= objPtr
&&
2916 Jim_StringEqObj(script
->token
[i
].objPtr
, objPtr
, 0)) {
2917 return script
->token
[i
].objPtr
;
2919 /* Enter recursively on scripts only if the object
2920 * is not the same as the one we are searching for
2921 * shared occurrences. */
2922 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
&&
2923 script
->token
[i
].objPtr
!= objPtr
) {
2924 Jim_Obj
*foundObjPtr
;
2926 ScriptObj
*subScript
=
2927 script
->token
[i
].objPtr
->internalRep
.ptr
;
2928 /* Don't recursively enter the script we are trying
2929 * to make shared to avoid circular references. */
2930 if (subScript
== scriptBarrier
) continue;
2931 if (subScript
!= script
) {
2933 ScriptSearchLiteral(interp
, subScript
,
2934 scriptBarrier
, objPtr
);
2935 if (foundObjPtr
!= NULL
)
2943 /* Share literals of a script recursively sharing sub-scripts literals. */
2944 static void ScriptShareLiterals(Jim_Interp
*interp
, ScriptObj
*script
,
2945 ScriptObj
*topLevelScript
)
2950 /* Try to share with toplevel object. */
2951 if (topLevelScript
!= NULL
) {
2952 for (i
= 0; i
< script
->len
; i
++) {
2953 Jim_Obj
*foundObjPtr
;
2954 char *str
= script
->token
[i
].objPtr
->bytes
;
2956 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2957 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
) continue;
2958 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2959 foundObjPtr
= ScriptSearchLiteral(interp
,
2961 script
, /* barrier */
2962 script
->token
[i
].objPtr
);
2963 if (foundObjPtr
!= NULL
) {
2964 Jim_IncrRefCount(foundObjPtr
);
2965 Jim_DecrRefCount(interp
,
2966 script
->token
[i
].objPtr
);
2967 script
->token
[i
].objPtr
= foundObjPtr
;
2971 /* Try to share locally */
2972 for (i
= 0; i
< script
->len
; i
++) {
2973 char *str
= script
->token
[i
].objPtr
->bytes
;
2975 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2976 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2977 for (j
= 0; j
< script
->len
; j
++) {
2978 if (script
->token
[i
].objPtr
!=
2979 script
->token
[j
].objPtr
&&
2980 Jim_StringEqObj(script
->token
[i
].objPtr
,
2981 script
->token
[j
].objPtr
, 0))
2983 Jim_IncrRefCount(script
->token
[j
].objPtr
);
2984 Jim_DecrRefCount(interp
,
2985 script
->token
[i
].objPtr
);
2986 script
->token
[i
].objPtr
=
2987 script
->token
[j
].objPtr
;
2993 /* This method takes the string representation of an object
2994 * as a Tcl script, and generates the pre-parsed internal representation
2996 int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
2999 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
3000 struct JimParserCtx parser
;
3001 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
3003 int args
, tokens
, start
, end
, i
;
3004 int initialLineNumber
;
3005 int propagateSourceInfo
= 0;
3009 script
->commands
= 0;
3010 script
->token
= NULL
;
3011 script
->cmdStruct
= NULL
;
3013 /* Try to get information about filename / line number */
3014 if (objPtr
->typePtr
== &sourceObjType
) {
3016 Jim_StrDup(objPtr
->internalRep
.sourceValue
.fileName
);
3017 initialLineNumber
= objPtr
->internalRep
.sourceValue
.lineNumber
;
3018 propagateSourceInfo
= 1;
3020 script
->fileName
= Jim_StrDup("");
3021 initialLineNumber
= 1;
3024 JimParserInit(&parser
, scriptText
, scriptTextLen
, initialLineNumber
);
3025 while(!JimParserEof(&parser
)) {
3027 int len
, type
, linenr
;
3029 JimParseScript(&parser
);
3030 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
3031 ScriptObjAddToken(interp
, script
, token
, len
, type
,
3032 propagateSourceInfo
? script
->fileName
: NULL
,
3035 token
= script
->token
;
3037 /* Compute the command structure array
3038 * (see the ScriptObj struct definition for more info) */
3039 start
= 0; /* Current command start token index */
3040 end
= -1; /* Current command end token index */
3042 int expand
= 0; /* expand flag. set to 1 on {expand} form. */
3043 int interpolation
= 0; /* set to 1 if there is at least one
3044 argument of the command obtained via
3045 interpolation of more tokens. */
3046 /* Search for the end of command, while
3047 * count the number of args. */
3049 if (start
>= script
->len
) break;
3050 args
= 1; /* Number of args in current command */
3051 while (token
[end
].type
!= JIM_TT_EOL
) {
3052 if (end
== 0 || token
[end
-1].type
== JIM_TT_SEP
||
3053 token
[end
-1].type
== JIM_TT_EOL
)
3055 if (token
[end
].type
== JIM_TT_STR
&&
3056 token
[end
+1].type
!= JIM_TT_SEP
&&
3057 token
[end
+1].type
!= JIM_TT_EOL
&&
3058 (!strcmp(token
[end
].objPtr
->bytes
, "expand") ||
3059 !strcmp(token
[end
].objPtr
->bytes
, "*")))
3062 if (token
[end
].type
== JIM_TT_SEP
)
3066 interpolation
= !((end
-start
+1) == args
*2);
3067 /* Add the 'number of arguments' info into cmdstruct.
3068 * Negative value if there is list expansion involved. */
3070 ScriptObjAddInt(script
, -1);
3071 ScriptObjAddInt(script
, args
);
3072 /* Now add info about the number of tokens. */
3073 tokens
= 0; /* Number of tokens in current argument. */
3075 for (i
= start
; i
<= end
; i
++) {
3076 if (token
[i
].type
== JIM_TT_SEP
||
3077 token
[i
].type
== JIM_TT_EOL
)
3079 if (tokens
== 1 && expand
)
3081 ScriptObjAddInt(script
,
3082 expand
? -tokens
: tokens
);
3087 } else if (tokens
== 0 && token
[i
].type
== JIM_TT_STR
&&
3088 (!strcmp(token
[i
].objPtr
->bytes
, "expand") ||
3089 !strcmp(token
[i
].objPtr
->bytes
, "*")))
3096 /* Perform literal sharing, but only for objects that appear
3097 * to be scripts written as literals inside the source code,
3098 * and not computed at runtime. Literal sharing is a costly
3099 * operation that should be done only against objects that
3100 * are likely to require compilation only the first time, and
3101 * then are executed multiple times. */
3102 if (propagateSourceInfo
&& interp
->framePtr
->procBodyObjPtr
) {
3103 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
3104 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
3105 ScriptObj
*bodyScript
=
3106 bodyObjPtr
->internalRep
.ptr
;
3107 ScriptShareLiterals(interp
, script
, bodyScript
);
3109 } else if (propagateSourceInfo
) {
3110 ScriptShareLiterals(interp
, script
, NULL
);
3112 /* Free the old internal rep and set the new one. */
3113 Jim_FreeIntRep(interp
, objPtr
);
3114 Jim_SetIntRepPtr(objPtr
, script
);
3115 objPtr
->typePtr
= &scriptObjType
;
3119 ScriptObj
*Jim_GetScript(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3121 if (objPtr
->typePtr
!= &scriptObjType
) {
3122 SetScriptFromAny(interp
, objPtr
);
3124 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
3127 /* -----------------------------------------------------------------------------
3129 * ---------------------------------------------------------------------------*/
3131 /* Commands HashTable Type.
3133 * Keys are dynamic allocated strings, Values are Jim_Cmd structures. */
3134 static void Jim_CommandsHT_ValDestructor(void *interp
, void *val
)
3136 Jim_Cmd
*cmdPtr
= (void*) val
;
3138 if (cmdPtr
->cmdProc
== NULL
) {
3139 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3140 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3141 if (cmdPtr
->staticVars
) {
3142 Jim_FreeHashTable(cmdPtr
->staticVars
);
3143 Jim_Free(cmdPtr
->staticVars
);
3145 } else if (cmdPtr
->delProc
!= NULL
) {
3146 /* If it was a C coded command, call the delProc if any */
3147 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3152 static Jim_HashTableType JimCommandsHashTableType
= {
3153 JimStringCopyHTHashFunction
, /* hash function */
3154 JimStringCopyHTKeyDup
, /* key dup */
3156 JimStringCopyHTKeyCompare
, /* key compare */
3157 JimStringCopyHTKeyDestructor
, /* key destructor */
3158 Jim_CommandsHT_ValDestructor
/* val destructor */
3161 /* ------------------------- Commands related functions --------------------- */
3163 int Jim_CreateCommand(Jim_Interp
*interp
, const char *cmdName
,
3164 Jim_CmdProc cmdProc
, void *privData
, Jim_DelCmdProc delProc
)
3169 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3170 if (he
== NULL
) { /* New command to create */
3171 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3172 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3174 Jim_InterpIncrProcEpoch(interp
);
3175 /* Free the arglist/body objects if it was a Tcl procedure */
3177 if (cmdPtr
->cmdProc
== NULL
) {
3178 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3179 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3180 if (cmdPtr
->staticVars
) {
3181 Jim_FreeHashTable(cmdPtr
->staticVars
);
3182 Jim_Free(cmdPtr
->staticVars
);
3184 cmdPtr
->staticVars
= NULL
;
3185 } else if (cmdPtr
->delProc
!= NULL
) {
3186 /* If it was a C coded command, call the delProc if any */
3187 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3191 /* Store the new details for this proc */
3192 cmdPtr
->delProc
= delProc
;
3193 cmdPtr
->cmdProc
= cmdProc
;
3194 cmdPtr
->privData
= privData
;
3196 /* There is no need to increment the 'proc epoch' because
3197 * creation of a new procedure can never affect existing
3198 * cached commands. We don't do negative caching. */
3202 int Jim_CreateProcedure(Jim_Interp
*interp
, const char *cmdName
,
3203 Jim_Obj
*argListObjPtr
, Jim_Obj
*staticsListObjPtr
, Jim_Obj
*bodyObjPtr
,
3204 int arityMin
, int arityMax
)
3208 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3209 cmdPtr
->cmdProc
= NULL
; /* Not a C coded command */
3210 cmdPtr
->argListObjPtr
= argListObjPtr
;
3211 cmdPtr
->bodyObjPtr
= bodyObjPtr
;
3212 Jim_IncrRefCount(argListObjPtr
);
3213 Jim_IncrRefCount(bodyObjPtr
);
3214 cmdPtr
->arityMin
= arityMin
;
3215 cmdPtr
->arityMax
= arityMax
;
3216 cmdPtr
->staticVars
= NULL
;
3218 /* Create the statics hash table. */
3219 if (staticsListObjPtr
) {
3222 Jim_ListLength(interp
, staticsListObjPtr
, &len
);
3224 cmdPtr
->staticVars
= Jim_Alloc(sizeof(Jim_HashTable
));
3225 Jim_InitHashTable(cmdPtr
->staticVars
, getJimVariablesHashTableType(),
3227 for (i
= 0; i
< len
; i
++) {
3228 Jim_Obj
*objPtr
, *initObjPtr
, *nameObjPtr
;
3232 Jim_ListIndex(interp
, staticsListObjPtr
, i
, &objPtr
, JIM_NONE
);
3233 /* Check if it's composed of two elements. */
3234 Jim_ListLength(interp
, objPtr
, &subLen
);
3235 if (subLen
== 1 || subLen
== 2) {
3236 /* Try to get the variable value from the current
3238 Jim_ListIndex(interp
, objPtr
, 0, &nameObjPtr
, JIM_NONE
);
3240 initObjPtr
= Jim_GetVariable(interp
, nameObjPtr
,
3242 if (initObjPtr
== NULL
) {
3243 Jim_SetResult(interp
,
3244 Jim_NewEmptyStringObj(interp
));
3245 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3246 "variable for initialization of static \"",
3247 Jim_GetString(nameObjPtr
, NULL
),
3248 "\" not found in the local context",
3253 Jim_ListIndex(interp
, objPtr
, 1, &initObjPtr
, JIM_NONE
);
3255 varPtr
= Jim_Alloc(sizeof(*varPtr
));
3256 varPtr
->objPtr
= initObjPtr
;
3257 Jim_IncrRefCount(initObjPtr
);
3258 varPtr
->linkFramePtr
= NULL
;
3259 if (Jim_AddHashEntry(cmdPtr
->staticVars
,
3260 Jim_GetString(nameObjPtr
, NULL
),
3263 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3264 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3265 "static variable name \"",
3266 Jim_GetString(objPtr
, NULL
), "\"",
3267 " duplicated in statics list", NULL
);
3268 Jim_DecrRefCount(interp
, initObjPtr
);
3273 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3274 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3275 "too many fields in static specifier \"",
3276 objPtr
, "\"", NULL
);
3283 /* Add the new command */
3285 /* it may already exist, so we try to delete the old one */
3286 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) != JIM_ERR
) {
3287 /* There was an old procedure with the same name, this requires
3288 * a 'proc epoch' update. */
3289 Jim_InterpIncrProcEpoch(interp
);
3291 /* If a procedure with the same name didn't existed there is no need
3292 * to increment the 'proc epoch' because creation of a new procedure
3293 * can never affect existing cached commands. We don't do
3294 * negative caching. */
3295 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3299 Jim_FreeHashTable(cmdPtr
->staticVars
);
3300 Jim_Free(cmdPtr
->staticVars
);
3301 Jim_DecrRefCount(interp
, argListObjPtr
);
3302 Jim_DecrRefCount(interp
, bodyObjPtr
);
3307 int Jim_DeleteCommand(Jim_Interp
*interp
, const char *cmdName
)
3309 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) == JIM_ERR
)
3311 Jim_InterpIncrProcEpoch(interp
);
3315 int Jim_RenameCommand(Jim_Interp
*interp
, const char *oldName
,
3316 const char *newName
)
3320 Jim_Cmd
*copyCmdPtr
;
3322 if (newName
[0] == '\0') /* Delete! */
3323 return Jim_DeleteCommand(interp
, oldName
);
3325 he
= Jim_FindHashEntry(&interp
->commands
, oldName
);
3327 return JIM_ERR
; /* Invalid command name */
3329 copyCmdPtr
= Jim_Alloc(sizeof(Jim_Cmd
));
3330 *copyCmdPtr
= *cmdPtr
;
3331 /* In order to avoid that a procedure will get arglist/body/statics
3332 * freed by the hash table methods, fake a C-coded command
3333 * setting cmdPtr->cmdProc as not NULL */
3334 cmdPtr
->cmdProc
= (void*)1;
3335 /* Also make sure delProc is NULL. */
3336 cmdPtr
->delProc
= NULL
;
3337 /* Destroy the old command, and make sure the new is freed
3339 Jim_DeleteHashEntry(&interp
->commands
, oldName
);
3340 Jim_DeleteHashEntry(&interp
->commands
, newName
);
3341 /* Now the new command. We are sure it can't fail because
3342 * the target name was already freed. */
3343 Jim_AddHashEntry(&interp
->commands
, newName
, copyCmdPtr
);
3344 /* Increment the epoch */
3345 Jim_InterpIncrProcEpoch(interp
);
3349 /* -----------------------------------------------------------------------------
3351 * ---------------------------------------------------------------------------*/
3353 static int SetCommandFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3355 static Jim_ObjType commandObjType
= {
3360 JIM_TYPE_REFERENCES
,
3363 int SetCommandFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3366 const char *cmdName
;
3368 /* Get the string representation */
3369 cmdName
= Jim_GetString(objPtr
, NULL
);
3370 /* Lookup this name into the commands hash table */
3371 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3375 /* Free the old internal repr and set the new one. */
3376 Jim_FreeIntRep(interp
, objPtr
);
3377 objPtr
->typePtr
= &commandObjType
;
3378 objPtr
->internalRep
.cmdValue
.procEpoch
= interp
->procEpoch
;
3379 objPtr
->internalRep
.cmdValue
.cmdPtr
= (void*)he
->val
;
3383 /* This function returns the command structure for the command name
3384 * stored in objPtr. It tries to specialize the objPtr to contain
3385 * a cached info instead to perform the lookup into the hash table
3386 * every time. The information cached may not be uptodate, in such
3387 * a case the lookup is performed and the cache updated. */
3388 Jim_Cmd
*Jim_GetCommand(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
3390 if ((objPtr
->typePtr
!= &commandObjType
||
3391 objPtr
->internalRep
.cmdValue
.procEpoch
!= interp
->procEpoch
) &&
3392 SetCommandFromAny(interp
, objPtr
) == JIM_ERR
) {
3393 if (flags
& JIM_ERRMSG
) {
3394 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3395 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3396 "invalid command name \"", objPtr
->bytes
, "\"",
3401 return objPtr
->internalRep
.cmdValue
.cmdPtr
;
3404 /* -----------------------------------------------------------------------------
3406 * ---------------------------------------------------------------------------*/
3408 /* Variables HashTable Type.
3410 * Keys are dynamic allocated strings, Values are Jim_Var structures. */
3411 static void JimVariablesHTValDestructor(void *interp
, void *val
)
3413 Jim_Var
*varPtr
= (void*) val
;
3415 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3419 static Jim_HashTableType JimVariablesHashTableType
= {
3420 JimStringCopyHTHashFunction
, /* hash function */
3421 JimStringCopyHTKeyDup
, /* key dup */
3423 JimStringCopyHTKeyCompare
, /* key compare */
3424 JimStringCopyHTKeyDestructor
, /* key destructor */
3425 JimVariablesHTValDestructor
/* val destructor */
3428 static Jim_HashTableType
*getJimVariablesHashTableType(void)
3430 return &JimVariablesHashTableType
;
3433 /* -----------------------------------------------------------------------------
3435 * ---------------------------------------------------------------------------*/
3437 #define JIM_DICT_SUGAR 100 /* Only returned by SetVariableFromAny() */
3439 static int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3441 static Jim_ObjType variableObjType
= {
3446 JIM_TYPE_REFERENCES
,
3449 /* Return true if the string "str" looks like syntax sugar for [dict]. I.e.
3450 * is in the form "varname(key)". */
3451 static int Jim_NameIsDictSugar(const char *str
, int len
)
3455 if (len
&& str
[len
-1] == ')' && strchr(str
, '(') != NULL
)
3460 /* This method should be called only by the variable API.
3461 * It returns JIM_OK on success (variable already exists),
3462 * JIM_ERR if it does not exists, JIM_DICT_GLUE if it's not
3463 * a variable name, but syntax glue for [dict] i.e. the last
3464 * character is ')' */
3465 int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
3468 const char *varName
;
3471 /* Check if the object is already an uptodate variable */
3472 if (objPtr
->typePtr
== &variableObjType
&&
3473 objPtr
->internalRep
.varValue
.callFrameId
== interp
->framePtr
->id
)
3474 return JIM_OK
; /* nothing to do */
3475 /* Get the string representation */
3476 varName
= Jim_GetString(objPtr
, &len
);
3477 /* Make sure it's not syntax glue to get/set dict. */
3478 if (Jim_NameIsDictSugar(varName
, len
))
3479 return JIM_DICT_SUGAR
;
3480 if (varName
[0] == ':' && varName
[1] == ':') {
3481 he
= Jim_FindHashEntry(&interp
->topFramePtr
->vars
, varName
+ 2);
3487 /* Lookup this name into the variables hash table */
3488 he
= Jim_FindHashEntry(&interp
->framePtr
->vars
, varName
);
3490 /* Try with static vars. */
3491 if (interp
->framePtr
->staticVars
== NULL
)
3493 if (!(he
= Jim_FindHashEntry(interp
->framePtr
->staticVars
, varName
)))
3497 /* Free the old internal repr and set the new one. */
3498 Jim_FreeIntRep(interp
, objPtr
);
3499 objPtr
->typePtr
= &variableObjType
;
3500 objPtr
->internalRep
.varValue
.callFrameId
= interp
->framePtr
->id
;
3501 objPtr
->internalRep
.varValue
.varPtr
= (void*)he
->val
;
3505 /* -------------------- Variables related functions ------------------------- */
3506 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
,
3507 Jim_Obj
*valObjPtr
);
3508 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
);
3510 /* For now that's dummy. Variables lookup should be optimized
3511 * in many ways, with caching of lookups, and possibly with
3512 * a table of pre-allocated vars in every CallFrame for local vars.
3513 * All the caching should also have an 'epoch' mechanism similar
3514 * to the one used by Tcl for procedures lookup caching. */
3516 int Jim_SetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, Jim_Obj
*valObjPtr
)
3522 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3523 /* Check for [dict] syntax sugar. */
3524 if (err
== JIM_DICT_SUGAR
)
3525 return JimDictSugarSet(interp
, nameObjPtr
, valObjPtr
);
3526 /* New variable to create */
3527 name
= Jim_GetString(nameObjPtr
, NULL
);
3529 var
= Jim_Alloc(sizeof(*var
));
3530 var
->objPtr
= valObjPtr
;
3531 Jim_IncrRefCount(valObjPtr
);
3532 var
->linkFramePtr
= NULL
;
3533 /* Insert the new variable */
3534 if (name
[0] == ':' && name
[1] == ':') {
3535 /* Into to the top evel frame */
3536 Jim_AddHashEntry(&interp
->topFramePtr
->vars
, name
+ 2, var
);
3539 Jim_AddHashEntry(&interp
->framePtr
->vars
, name
, var
);
3541 /* Make the object int rep a variable */
3542 Jim_FreeIntRep(interp
, nameObjPtr
);
3543 nameObjPtr
->typePtr
= &variableObjType
;
3544 nameObjPtr
->internalRep
.varValue
.callFrameId
=
3545 interp
->framePtr
->id
;
3546 nameObjPtr
->internalRep
.varValue
.varPtr
= var
;
3548 var
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3549 if (var
->linkFramePtr
== NULL
) {
3550 Jim_IncrRefCount(valObjPtr
);
3551 Jim_DecrRefCount(interp
, var
->objPtr
);
3552 var
->objPtr
= valObjPtr
;
3553 } else { /* Else handle the link */
3554 Jim_CallFrame
*savedCallFrame
;
3556 savedCallFrame
= interp
->framePtr
;
3557 interp
->framePtr
= var
->linkFramePtr
;
3558 err
= Jim_SetVariable(interp
, var
->objPtr
, valObjPtr
);
3559 interp
->framePtr
= savedCallFrame
;
3567 int Jim_SetVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3569 Jim_Obj
*nameObjPtr
;
3572 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3573 Jim_IncrRefCount(nameObjPtr
);
3574 result
= Jim_SetVariable(interp
, nameObjPtr
, objPtr
);
3575 Jim_DecrRefCount(interp
, nameObjPtr
);
3579 int Jim_SetGlobalVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3581 Jim_CallFrame
*savedFramePtr
;
3584 savedFramePtr
= interp
->framePtr
;
3585 interp
->framePtr
= interp
->topFramePtr
;
3586 result
= Jim_SetVariableStr(interp
, name
, objPtr
);
3587 interp
->framePtr
= savedFramePtr
;
3591 int Jim_SetVariableStrWithStr(Jim_Interp
*interp
, const char *name
, const char *val
)
3593 Jim_Obj
*nameObjPtr
, *valObjPtr
;
3596 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3597 valObjPtr
= Jim_NewStringObj(interp
, val
, -1);
3598 Jim_IncrRefCount(nameObjPtr
);
3599 Jim_IncrRefCount(valObjPtr
);
3600 result
= Jim_SetVariable(interp
, nameObjPtr
, valObjPtr
);
3601 Jim_DecrRefCount(interp
, nameObjPtr
);
3602 Jim_DecrRefCount(interp
, valObjPtr
);
3606 int Jim_SetVariableLink(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3607 Jim_Obj
*targetNameObjPtr
, Jim_CallFrame
*targetCallFrame
)
3609 const char *varName
;
3612 /* Check for cycles. */
3613 if (interp
->framePtr
== targetCallFrame
) {
3614 Jim_Obj
*objPtr
= targetNameObjPtr
;
3616 /* Cycles are only possible with 'uplevel 0' */
3618 if (Jim_StringEqObj(objPtr
, nameObjPtr
, 0)) {
3619 Jim_SetResultString(interp
,
3620 "can't upvar from variable to itself", -1);
3623 if (SetVariableFromAny(interp
, objPtr
) != JIM_OK
)
3625 varPtr
= objPtr
->internalRep
.varValue
.varPtr
;
3626 if (varPtr
->linkFramePtr
!= targetCallFrame
) break;
3627 objPtr
= varPtr
->objPtr
;
3630 varName
= Jim_GetString(nameObjPtr
, &len
);
3631 if (Jim_NameIsDictSugar(varName
, len
)) {
3632 Jim_SetResultString(interp
,
3633 "Dict key syntax invalid as link source", -1);
3636 /* Perform the binding */
3637 Jim_SetVariable(interp
, nameObjPtr
, targetNameObjPtr
);
3638 /* We are now sure 'nameObjPtr' type is variableObjType */
3639 nameObjPtr
->internalRep
.varValue
.varPtr
->linkFramePtr
= targetCallFrame
;
3643 /* Return the Jim_Obj pointer associated with a variable name,
3644 * or NULL if the variable was not found in the current context.
3645 * The same optimization discussed in the comment to the
3646 * 'SetVariable' function should apply here. */
3647 Jim_Obj
*Jim_GetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3651 /* All the rest is handled here */
3652 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3653 /* Check for [dict] syntax sugar. */
3654 if (err
== JIM_DICT_SUGAR
)
3655 return JimDictSugarGet(interp
, nameObjPtr
);
3656 if (flags
& JIM_ERRMSG
) {
3657 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3658 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3659 "can't read \"", nameObjPtr
->bytes
,
3660 "\": no such variable", NULL
);
3666 Jim_CallFrame
*savedCallFrame
;
3668 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3669 if (varPtr
->linkFramePtr
== NULL
)
3670 return varPtr
->objPtr
;
3671 /* The variable is a link? Resolve it. */
3672 savedCallFrame
= interp
->framePtr
;
3673 interp
->framePtr
= varPtr
->linkFramePtr
;
3674 objPtr
= Jim_GetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3675 if (objPtr
== NULL
&& flags
& JIM_ERRMSG
) {
3676 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3677 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3678 "can't read \"", nameObjPtr
->bytes
,
3679 "\": no such variable", NULL
);
3681 interp
->framePtr
= savedCallFrame
;
3686 Jim_Obj
*Jim_GetGlobalVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3689 Jim_CallFrame
*savedFramePtr
;
3692 savedFramePtr
= interp
->framePtr
;
3693 interp
->framePtr
= interp
->topFramePtr
;
3694 objPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3695 interp
->framePtr
= savedFramePtr
;
3700 Jim_Obj
*Jim_GetVariableStr(Jim_Interp
*interp
, const char *name
, int flags
)
3702 Jim_Obj
*nameObjPtr
, *varObjPtr
;
3704 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3705 Jim_IncrRefCount(nameObjPtr
);
3706 varObjPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3707 Jim_DecrRefCount(interp
, nameObjPtr
);
3711 Jim_Obj
*Jim_GetGlobalVariableStr(Jim_Interp
*interp
, const char *name
,
3714 Jim_CallFrame
*savedFramePtr
;
3717 savedFramePtr
= interp
->framePtr
;
3718 interp
->framePtr
= interp
->topFramePtr
;
3719 objPtr
= Jim_GetVariableStr(interp
, name
, flags
);
3720 interp
->framePtr
= savedFramePtr
;
3725 /* Unset a variable.
3726 * Note: On success unset invalidates all the variable objects created
3727 * in the current call frame incrementing. */
3728 int Jim_UnsetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3734 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3735 /* Check for [dict] syntax sugar. */
3736 if (err
== JIM_DICT_SUGAR
)
3737 return JimDictSugarSet(interp
, nameObjPtr
, NULL
);
3738 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3739 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3740 "can't unset \"", nameObjPtr
->bytes
,
3741 "\": no such variable", NULL
);
3742 return JIM_ERR
; /* var not found */
3744 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3745 /* If it's a link call UnsetVariable recursively */
3746 if (varPtr
->linkFramePtr
) {
3749 Jim_CallFrame
*savedCallFrame
;
3751 savedCallFrame
= interp
->framePtr
;
3752 interp
->framePtr
= varPtr
->linkFramePtr
;
3753 retval
= Jim_UnsetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3754 interp
->framePtr
= savedCallFrame
;
3755 if (retval
!= JIM_OK
&& flags
& JIM_ERRMSG
) {
3756 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3757 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3758 "can't unset \"", nameObjPtr
->bytes
,
3759 "\": no such variable", NULL
);
3763 name
= Jim_GetString(nameObjPtr
, NULL
);
3764 if (Jim_DeleteHashEntry(&interp
->framePtr
->vars
, name
)
3765 != JIM_OK
) return JIM_ERR
;
3766 /* Change the callframe id, invalidating var lookup caching */
3767 JimChangeCallFrameId(interp
, interp
->framePtr
);
3772 /* ---------- Dict syntax sugar (similar to array Tcl syntax) -------------- */
3774 /* Given a variable name for [dict] operation syntax sugar,
3775 * this function returns two objects, the first with the name
3776 * of the variable to set, and the second with the rispective key.
3777 * For example "foo(bar)" will return objects with string repr. of
3780 * The returned objects have refcount = 1. The function can't fail. */
3781 static void JimDictSugarParseVarKey(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3782 Jim_Obj
**varPtrPtr
, Jim_Obj
**keyPtrPtr
)
3784 const char *str
, *p
;
3786 int len
, keyLen
, nameLen
;
3787 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3789 str
= Jim_GetString(objPtr
, &len
);
3790 p
= strchr(str
, '(');
3792 keyLen
= len
-((p
-str
)+1);
3793 nameLen
= (p
-str
)-1;
3794 /* Create the objects with the variable name and key. */
3795 t
= Jim_Alloc(nameLen
+1);
3796 memcpy(t
, str
, nameLen
);
3798 varObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, nameLen
);
3800 t
= Jim_Alloc(keyLen
+1);
3801 memcpy(t
, p
, keyLen
);
3803 keyObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, keyLen
);
3805 Jim_IncrRefCount(varObjPtr
);
3806 Jim_IncrRefCount(keyObjPtr
);
3807 *varPtrPtr
= varObjPtr
;
3808 *keyPtrPtr
= keyObjPtr
;
3811 /* Helper of Jim_SetVariable() to deal with dict-syntax variable names.
3812 * Also used by Jim_UnsetVariable() with valObjPtr = NULL. */
3813 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3816 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3819 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3820 err
= Jim_SetDictKeysVector(interp
, varObjPtr
, &keyObjPtr
, 1,
3822 Jim_DecrRefCount(interp
, varObjPtr
);
3823 Jim_DecrRefCount(interp
, keyObjPtr
);
3827 /* Helper of Jim_GetVariable() to deal with dict-syntax variable names */
3828 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3830 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3832 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3833 dictObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
3838 if (Jim_DictKey(interp
, dictObjPtr
, keyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3843 Jim_DecrRefCount(interp
, varObjPtr
);
3844 Jim_DecrRefCount(interp
, keyObjPtr
);
3848 /* --------- $var(INDEX) substitution, using a specialized object ----------- */
3850 static void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
3851 static void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3854 static Jim_ObjType dictSubstObjType
= {
3855 "dict-substitution",
3856 FreeDictSubstInternalRep
,
3857 DupDictSubstInternalRep
,
3862 void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3864 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
);
3865 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
);
3868 void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3871 JIM_NOTUSED(interp
);
3873 dupPtr
->internalRep
.dictSubstValue
.varNameObjPtr
=
3874 srcPtr
->internalRep
.dictSubstValue
.varNameObjPtr
;
3875 dupPtr
->internalRep
.dictSubstValue
.indexObjPtr
=
3876 srcPtr
->internalRep
.dictSubstValue
.indexObjPtr
;
3877 dupPtr
->typePtr
= &dictSubstObjType
;
3880 /* This function is used to expand [dict get] sugar in the form
3881 * of $var(INDEX). The function is mainly used by Jim_EvalObj()
3882 * to deal with tokens of type JIM_TT_DICTSUGAR. objPtr points to an
3883 * object that is *guaranteed* to be in the form VARNAME(INDEX).
3884 * The 'index' part is [subst]ituted, and is used to lookup a key inside
3885 * the [dict]ionary contained in variable VARNAME. */
3886 Jim_Obj
*Jim_ExpandDictSugar(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3888 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3889 Jim_Obj
*substKeyObjPtr
= NULL
;
3891 if (objPtr
->typePtr
!= &dictSubstObjType
) {
3892 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3893 Jim_FreeIntRep(interp
, objPtr
);
3894 objPtr
->typePtr
= &dictSubstObjType
;
3895 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
= varObjPtr
;
3896 objPtr
->internalRep
.dictSubstValue
.indexObjPtr
= keyObjPtr
;
3898 if (Jim_SubstObj(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
,
3899 &substKeyObjPtr
, JIM_NONE
)
3901 substKeyObjPtr
= NULL
;
3904 Jim_IncrRefCount(substKeyObjPtr
);
3905 dictObjPtr
= Jim_GetVariable(interp
,
3906 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
, JIM_ERRMSG
);
3911 if (Jim_DictKey(interp
, dictObjPtr
, substKeyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3917 if (substKeyObjPtr
) Jim_DecrRefCount(interp
, substKeyObjPtr
);
3921 /* -----------------------------------------------------------------------------
3923 * ---------------------------------------------------------------------------*/
3925 static Jim_CallFrame
*JimCreateCallFrame(Jim_Interp
*interp
)
3928 if (interp
->freeFramesList
) {
3929 cf
= interp
->freeFramesList
;
3930 interp
->freeFramesList
= cf
->nextFramePtr
;
3932 cf
= Jim_Alloc(sizeof(*cf
));
3933 cf
->vars
.table
= NULL
;
3936 cf
->id
= interp
->callFrameEpoch
++;
3937 cf
->parentCallFrame
= NULL
;
3940 cf
->procArgsObjPtr
= NULL
;
3941 cf
->procBodyObjPtr
= NULL
;
3942 cf
->nextFramePtr
= NULL
;
3943 cf
->staticVars
= NULL
;
3944 if (cf
->vars
.table
== NULL
)
3945 Jim_InitHashTable(&cf
->vars
, &JimVariablesHashTableType
, interp
);
3949 /* Used to invalidate every caching related to callframe stability. */
3950 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
)
3952 cf
->id
= interp
->callFrameEpoch
++;
3955 #define JIM_FCF_NONE 0 /* no flags */
3956 #define JIM_FCF_NOHT 1 /* don't free the hash table */
3957 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
,
3960 if (cf
->procArgsObjPtr
) Jim_DecrRefCount(interp
, cf
->procArgsObjPtr
);
3961 if (cf
->procBodyObjPtr
) Jim_DecrRefCount(interp
, cf
->procBodyObjPtr
);
3962 if (!(flags
& JIM_FCF_NOHT
))
3963 Jim_FreeHashTable(&cf
->vars
);
3966 Jim_HashEntry
**table
= cf
->vars
.table
, *he
;
3968 for (i
= 0; i
< JIM_HT_INITIAL_SIZE
; i
++) {
3970 while (he
!= NULL
) {
3971 Jim_HashEntry
*nextEntry
= he
->next
;
3972 Jim_Var
*varPtr
= (void*) he
->val
;
3974 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3976 Jim_Free((void*)he
->key
); /* ATTENTION: const cast */
3984 cf
->nextFramePtr
= interp
->freeFramesList
;
3985 interp
->freeFramesList
= cf
;
3988 /* -----------------------------------------------------------------------------
3990 * ---------------------------------------------------------------------------*/
3992 /* References HashTable Type.
3994 * Keys are jim_wide integers, dynamically allocated for now but in the
3995 * future it's worth to cache this 8 bytes objects. Values are poitners
3996 * to Jim_References. */
3997 static void JimReferencesHTValDestructor(void *interp
, void *val
)
3999 Jim_Reference
*refPtr
= (void*) val
;
4001 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
4002 if (refPtr
->finalizerCmdNamePtr
!= NULL
) {
4003 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4008 unsigned int JimReferencesHTHashFunction(const void *key
)
4010 /* Only the least significant bits are used. */
4011 const jim_wide
*widePtr
= key
;
4012 unsigned int intValue
= (unsigned int) *widePtr
;
4013 return Jim_IntHashFunction(intValue
);
4016 unsigned int JimReferencesHTDoubleHashFunction(const void *key
)
4018 /* Only the least significant bits are used. */
4019 const jim_wide
*widePtr
= key
;
4020 unsigned int intValue
= (unsigned int) *widePtr
;
4021 return intValue
; /* identity function. */
4024 const void *JimReferencesHTKeyDup(void *privdata
, const void *key
)
4026 void *copy
= Jim_Alloc(sizeof(jim_wide
));
4027 JIM_NOTUSED(privdata
);
4029 memcpy(copy
, key
, sizeof(jim_wide
));
4033 int JimReferencesHTKeyCompare(void *privdata
, const void *key1
,
4036 JIM_NOTUSED(privdata
);
4038 return memcmp(key1
, key2
, sizeof(jim_wide
)) == 0;
4041 void JimReferencesHTKeyDestructor(void *privdata
, const void *key
)
4043 JIM_NOTUSED(privdata
);
4045 Jim_Free((void*)key
);
4048 static Jim_HashTableType JimReferencesHashTableType
= {
4049 JimReferencesHTHashFunction
, /* hash function */
4050 JimReferencesHTKeyDup
, /* key dup */
4052 JimReferencesHTKeyCompare
, /* key compare */
4053 JimReferencesHTKeyDestructor
, /* key destructor */
4054 JimReferencesHTValDestructor
/* val destructor */
4057 /* -----------------------------------------------------------------------------
4058 * Reference object type and References API
4059 * ---------------------------------------------------------------------------*/
4061 static void UpdateStringOfReference(struct Jim_Obj
*objPtr
);
4063 static Jim_ObjType referenceObjType
= {
4067 UpdateStringOfReference
,
4068 JIM_TYPE_REFERENCES
,
4071 void UpdateStringOfReference(struct Jim_Obj
*objPtr
)
4074 char buf
[JIM_REFERENCE_SPACE
+1];
4075 Jim_Reference
*refPtr
;
4077 refPtr
= objPtr
->internalRep
.refValue
.refPtr
;
4078 len
= JimFormatReference(buf
, refPtr
, objPtr
->internalRep
.refValue
.id
);
4079 objPtr
->bytes
= Jim_Alloc(len
+1);
4080 memcpy(objPtr
->bytes
, buf
, len
+1);
4081 objPtr
->length
= len
;
4084 /* returns true if 'c' is a valid reference tag character.
4085 * i.e. inside the range [_a-zA-Z0-9] */
4086 static int isrefchar(int c
)
4088 if (c
== '_' || (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') ||
4089 (c
>= '0' && c
<= '9')) return 1;
4093 int SetReferenceFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4097 const char *str
, *start
, *end
;
4099 Jim_Reference
*refPtr
;
4102 /* Get the string representation */
4103 str
= Jim_GetString(objPtr
, &len
);
4104 /* Check if it looks like a reference */
4105 if (len
< JIM_REFERENCE_SPACE
) goto badformat
;
4109 while (*start
== ' ') start
++;
4110 while (*end
== ' ' && end
> start
) end
--;
4111 if (end
-start
+1 != JIM_REFERENCE_SPACE
) goto badformat
;
4112 /* <reference.<1234567>.%020> */
4113 if (memcmp(start
, "<reference.<", 12) != 0) goto badformat
;
4114 if (start
[12+JIM_REFERENCE_TAGLEN
] != '>' || end
[0] != '>') goto badformat
;
4115 /* The tag can't contain chars other than a-zA-Z0-9 + '_'. */
4116 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4117 if (!isrefchar(start
[12+i
])) goto badformat
;
4119 /* Extract info from the refernece. */
4120 memcpy(refId
, start
+14+JIM_REFERENCE_TAGLEN
, 20);
4122 /* Try to convert the ID into a jim_wide */
4123 if (Jim_StringToWide(refId
, &wideValue
, 10) != JIM_OK
) goto badformat
;
4124 /* Check if the reference really exists! */
4125 he
= Jim_FindHashEntry(&interp
->references
, &wideValue
);
4127 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4128 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4129 "Invalid reference ID \"", str
, "\"", NULL
);
4133 /* Free the old internal repr and set the new one. */
4134 Jim_FreeIntRep(interp
, objPtr
);
4135 objPtr
->typePtr
= &referenceObjType
;
4136 objPtr
->internalRep
.refValue
.id
= wideValue
;
4137 objPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4141 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4142 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4143 "expected reference but got \"", str
, "\"", NULL
);
4147 /* Returns a new reference pointing to objPtr, having cmdNamePtr
4148 * as finalizer command (or NULL if there is no finalizer).
4149 * The returned reference object has refcount = 0. */
4150 Jim_Obj
*Jim_NewReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*tagPtr
,
4151 Jim_Obj
*cmdNamePtr
)
4153 struct Jim_Reference
*refPtr
;
4154 jim_wide wideValue
= interp
->referenceNextId
;
4159 /* Perform the Garbage Collection if needed. */
4160 Jim_CollectIfNeeded(interp
);
4162 refPtr
= Jim_Alloc(sizeof(*refPtr
));
4163 refPtr
->objPtr
= objPtr
;
4164 Jim_IncrRefCount(objPtr
);
4165 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4167 Jim_IncrRefCount(cmdNamePtr
);
4168 Jim_AddHashEntry(&interp
->references
, &wideValue
, refPtr
);
4169 refObjPtr
= Jim_NewObj(interp
);
4170 refObjPtr
->typePtr
= &referenceObjType
;
4171 refObjPtr
->bytes
= NULL
;
4172 refObjPtr
->internalRep
.refValue
.id
= interp
->referenceNextId
;
4173 refObjPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4174 interp
->referenceNextId
++;
4175 /* Set the tag. Trimmered at JIM_REFERENCE_TAGLEN. Everything
4176 * that does not pass the 'isrefchar' test is replaced with '_' */
4177 tag
= Jim_GetString(tagPtr
, &tagLen
);
4178 if (tagLen
> JIM_REFERENCE_TAGLEN
)
4179 tagLen
= JIM_REFERENCE_TAGLEN
;
4180 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4182 refPtr
->tag
[i
] = tag
[i
];
4184 refPtr
->tag
[i
] = '_';
4186 refPtr
->tag
[JIM_REFERENCE_TAGLEN
] = '\0';
4190 Jim_Reference
*Jim_GetReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4192 if (objPtr
->typePtr
!= &referenceObjType
&&
4193 SetReferenceFromAny(interp
, objPtr
) == JIM_ERR
)
4195 return objPtr
->internalRep
.refValue
.refPtr
;
4198 int Jim_SetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*cmdNamePtr
)
4200 Jim_Reference
*refPtr
;
4202 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4204 Jim_IncrRefCount(cmdNamePtr
);
4205 if (refPtr
->finalizerCmdNamePtr
)
4206 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4207 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4211 int Jim_GetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
**cmdNamePtrPtr
)
4213 Jim_Reference
*refPtr
;
4215 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4217 *cmdNamePtrPtr
= refPtr
->finalizerCmdNamePtr
;
4221 /* -----------------------------------------------------------------------------
4222 * References Garbage Collection
4223 * ---------------------------------------------------------------------------*/
4225 /* This the hash table type for the "MARK" phase of the GC */
4226 static Jim_HashTableType JimRefMarkHashTableType
= {
4227 JimReferencesHTHashFunction
, /* hash function */
4228 JimReferencesHTKeyDup
, /* key dup */
4230 JimReferencesHTKeyCompare
, /* key compare */
4231 JimReferencesHTKeyDestructor
, /* key destructor */
4232 NULL
/* val destructor */
4235 /* #define JIM_DEBUG_GC 1 */
4237 /* Performs the garbage collection. */
4238 int Jim_Collect(Jim_Interp
*interp
)
4240 Jim_HashTable marks
;
4241 Jim_HashTableIterator
*htiter
;
4246 /* Avoid recursive calls */
4247 if (interp
->lastCollectId
== -1) {
4248 /* Jim_Collect() already running. Return just now. */
4251 interp
->lastCollectId
= -1;
4253 /* Mark all the references found into the 'mark' hash table.
4254 * The references are searched in every live object that
4255 * is of a type that can contain references. */
4256 Jim_InitHashTable(&marks
, &JimRefMarkHashTableType
, NULL
);
4257 objPtr
= interp
->liveList
;
4259 if (objPtr
->typePtr
== NULL
||
4260 objPtr
->typePtr
->flags
& JIM_TYPE_REFERENCES
) {
4261 const char *str
, *p
;
4264 /* If the object is of type reference, to get the
4265 * Id is simple... */
4266 if (objPtr
->typePtr
== &referenceObjType
) {
4267 Jim_AddHashEntry(&marks
,
4268 &objPtr
->internalRep
.refValue
.id
, NULL
);
4270 Jim_fprintf(interp
,interp
->cookie_stdout
,
4271 "MARK (reference): %d refcount: %d" JIM_NL
,
4272 (int) objPtr
->internalRep
.refValue
.id
,
4275 objPtr
= objPtr
->nextObjPtr
;
4278 /* Get the string repr of the object we want
4279 * to scan for references. */
4280 p
= str
= Jim_GetString(objPtr
, &len
);
4281 /* Skip objects too little to contain references. */
4282 if (len
< JIM_REFERENCE_SPACE
) {
4283 objPtr
= objPtr
->nextObjPtr
;
4286 /* Extract references from the object string repr. */
4292 if ((p
= strstr(p
, "<reference.<")) == NULL
)
4294 /* Check if it's a valid reference. */
4295 if (len
-(p
-str
) < JIM_REFERENCE_SPACE
) break;
4296 if (p
[41] != '>' || p
[19] != '>' || p
[20] != '.') break;
4297 for (i
= 21; i
<= 40; i
++)
4298 if (!isdigit((int)p
[i
]))
4301 memcpy(buf
, p
+21, 20);
4303 Jim_StringToWide(buf
, &id
, 10);
4305 /* Ok, a reference for the given ID
4306 * was found. Mark it. */
4307 Jim_AddHashEntry(&marks
, &id
, NULL
);
4309 Jim_fprintf(interp
,interp
->cookie_stdout
,"MARK: %d" JIM_NL
, (int)id
);
4311 p
+= JIM_REFERENCE_SPACE
;
4314 objPtr
= objPtr
->nextObjPtr
;
4317 /* Run the references hash table to destroy every reference that
4318 * is not referenced outside (not present in the mark HT). */
4319 htiter
= Jim_GetHashTableIterator(&interp
->references
);
4320 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
4321 const jim_wide
*refId
;
4322 Jim_Reference
*refPtr
;
4325 /* Check if in the mark phase we encountered
4326 * this reference. */
4327 if (Jim_FindHashEntry(&marks
, refId
) == NULL
) {
4329 Jim_fprintf(interp
,interp
->cookie_stdout
,"COLLECTING %d" JIM_NL
, (int)*refId
);
4332 /* Drop the reference, but call the
4333 * finalizer first if registered. */
4335 if (refPtr
->finalizerCmdNamePtr
) {
4336 char *refstr
= Jim_Alloc(JIM_REFERENCE_SPACE
+1);
4337 Jim_Obj
*objv
[3], *oldResult
;
4339 JimFormatReference(refstr
, refPtr
, *refId
);
4341 objv
[0] = refPtr
->finalizerCmdNamePtr
;
4342 objv
[1] = Jim_NewStringObjNoAlloc(interp
,
4344 objv
[2] = refPtr
->objPtr
;
4345 Jim_IncrRefCount(objv
[0]);
4346 Jim_IncrRefCount(objv
[1]);
4347 Jim_IncrRefCount(objv
[2]);
4349 /* Drop the reference itself */
4350 Jim_DeleteHashEntry(&interp
->references
, refId
);
4352 /* Call the finalizer. Errors ignored. */
4353 oldResult
= interp
->result
;
4354 Jim_IncrRefCount(oldResult
);
4355 Jim_EvalObjVector(interp
, 3, objv
);
4356 Jim_SetResult(interp
, oldResult
);
4357 Jim_DecrRefCount(interp
, oldResult
);
4359 Jim_DecrRefCount(interp
, objv
[0]);
4360 Jim_DecrRefCount(interp
, objv
[1]);
4361 Jim_DecrRefCount(interp
, objv
[2]);
4363 Jim_DeleteHashEntry(&interp
->references
, refId
);
4367 Jim_FreeHashTableIterator(htiter
);
4368 Jim_FreeHashTable(&marks
);
4369 interp
->lastCollectId
= interp
->referenceNextId
;
4370 interp
->lastCollectTime
= time(NULL
);
4374 #define JIM_COLLECT_ID_PERIOD 5000
4375 #define JIM_COLLECT_TIME_PERIOD 300
4377 void Jim_CollectIfNeeded(Jim_Interp
*interp
)
4382 elapsedId
= interp
->referenceNextId
- interp
->lastCollectId
;
4383 elapsedTime
= time(NULL
) - interp
->lastCollectTime
;
4386 if (elapsedId
> JIM_COLLECT_ID_PERIOD
||
4387 elapsedTime
> JIM_COLLECT_TIME_PERIOD
) {
4388 Jim_Collect(interp
);
4392 /* -----------------------------------------------------------------------------
4393 * Interpreter related functions
4394 * ---------------------------------------------------------------------------*/
4396 Jim_Interp
*Jim_CreateInterp(void)
4398 Jim_Interp
*i
= Jim_Alloc(sizeof(*i
));
4402 i
->errorFileName
= Jim_StrDup("");
4404 i
->maxNestingDepth
= JIM_MAX_NESTING_DEPTH
;
4405 i
->returnCode
= JIM_OK
;
4408 i
->callFrameEpoch
= 0;
4409 i
->liveList
= i
->freeList
= NULL
;
4410 i
->scriptFileName
= Jim_StrDup("");
4411 i
->referenceNextId
= 0;
4412 i
->lastCollectId
= 0;
4413 i
->lastCollectTime
= time(NULL
);
4414 i
->freeFramesList
= NULL
;
4415 i
->prngState
= NULL
;
4416 i
->evalRetcodeLevel
= -1;
4417 i
->cookie_stdin
= stdin
;
4418 i
->cookie_stdout
= stdout
;
4419 i
->cookie_stderr
= stderr
;
4420 i
->cb_fwrite
= ((size_t (*)( const void *, size_t, size_t, void *))(fwrite
));
4421 i
->cb_fread
= ((size_t (*)( void *, size_t, size_t, void *))(fread
));
4422 i
->cb_vfprintf
= ((int (*)( void *, const char *fmt
, va_list ))(vfprintf
));
4423 i
->cb_fflush
= ((int (*)( void *))(fflush
));
4424 i
->cb_fgets
= ((char * (*)( char *, int, void *))(fgets
));
4426 /* Note that we can create objects only after the
4427 * interpreter liveList and freeList pointers are
4428 * initialized to NULL. */
4429 Jim_InitHashTable(&i
->commands
, &JimCommandsHashTableType
, i
);
4430 Jim_InitHashTable(&i
->references
, &JimReferencesHashTableType
, i
);
4431 Jim_InitHashTable(&i
->sharedStrings
, &JimSharedStringsHashTableType
,
4433 Jim_InitHashTable(&i
->stub
, &JimStringCopyHashTableType
, NULL
);
4434 Jim_InitHashTable(&i
->assocData
, &JimAssocDataHashTableType
, i
);
4435 Jim_InitHashTable(&i
->packages
, &JimStringKeyValCopyHashTableType
, NULL
);
4436 i
->framePtr
= i
->topFramePtr
= JimCreateCallFrame(i
);
4437 i
->emptyObj
= Jim_NewEmptyStringObj(i
);
4438 i
->result
= i
->emptyObj
;
4439 i
->stackTrace
= Jim_NewListObj(i
, NULL
, 0);
4440 i
->unknown
= Jim_NewStringObj(i
, "unknown", -1);
4441 i
->unknown_called
= 0;
4442 Jim_IncrRefCount(i
->emptyObj
);
4443 Jim_IncrRefCount(i
->result
);
4444 Jim_IncrRefCount(i
->stackTrace
);
4445 Jim_IncrRefCount(i
->unknown
);
4447 /* Initialize key variables every interpreter should contain */
4448 pathPtr
= Jim_NewStringObj(i
, "./", -1);
4449 Jim_SetVariableStr(i
, "jim_libpath", pathPtr
);
4450 Jim_SetVariableStrWithStr(i
, "jim_interactive", "0");
4452 /* Export the core API to extensions */
4453 JimRegisterCoreApi(i
);
4457 /* This is the only function Jim exports directly without
4458 * to use the STUB system. It is only used by embedders
4459 * in order to get an interpreter with the Jim API pointers
4461 Jim_Interp
*ExportedJimCreateInterp(void)
4463 return Jim_CreateInterp();
4466 void Jim_FreeInterp(Jim_Interp
*i
)
4468 Jim_CallFrame
*cf
= i
->framePtr
, *prevcf
, *nextcf
;
4469 Jim_Obj
*objPtr
, *nextObjPtr
;
4471 Jim_DecrRefCount(i
, i
->emptyObj
);
4472 Jim_DecrRefCount(i
, i
->result
);
4473 Jim_DecrRefCount(i
, i
->stackTrace
);
4474 Jim_DecrRefCount(i
, i
->unknown
);
4475 Jim_Free((void*)i
->errorFileName
);
4476 Jim_Free((void*)i
->scriptFileName
);
4477 Jim_FreeHashTable(&i
->commands
);
4478 Jim_FreeHashTable(&i
->references
);
4479 Jim_FreeHashTable(&i
->stub
);
4480 Jim_FreeHashTable(&i
->assocData
);
4481 Jim_FreeHashTable(&i
->packages
);
4482 Jim_Free(i
->prngState
);
4483 /* Free the call frames list */
4485 prevcf
= cf
->parentCallFrame
;
4486 JimFreeCallFrame(i
, cf
, JIM_FCF_NONE
);
4489 /* Check that the live object list is empty, otherwise
4490 * there is a memory leak. */
4491 if (i
->liveList
!= NULL
) {
4492 Jim_Obj
*objPtr
= i
->liveList
;
4494 Jim_fprintf( i
, i
->cookie_stdout
,JIM_NL
"-------------------------------------" JIM_NL
);
4495 Jim_fprintf( i
, i
->cookie_stdout
,"Objects still in the free list:" JIM_NL
);
4497 const char *type
= objPtr
->typePtr
?
4498 objPtr
->typePtr
->name
: "";
4499 Jim_fprintf( i
, i
->cookie_stdout
,"%p \"%-10s\": '%.20s' (refCount: %d)" JIM_NL
,
4501 objPtr
->bytes
? objPtr
->bytes
4502 : "(null)", objPtr
->refCount
);
4503 if (objPtr
->typePtr
== &sourceObjType
) {
4504 Jim_fprintf( i
, i
->cookie_stdout
, "FILE %s LINE %d" JIM_NL
,
4505 objPtr
->internalRep
.sourceValue
.fileName
,
4506 objPtr
->internalRep
.sourceValue
.lineNumber
);
4508 objPtr
= objPtr
->nextObjPtr
;
4510 Jim_fprintf( i
, i
->cookie_stdout
, "-------------------------------------" JIM_NL JIM_NL
);
4511 Jim_Panic(i
,"Live list non empty freeing the interpreter! Leak?");
4513 /* Free all the freed objects. */
4514 objPtr
= i
->freeList
;
4516 nextObjPtr
= objPtr
->nextObjPtr
;
4518 objPtr
= nextObjPtr
;
4520 /* Free cached CallFrame structures */
4521 cf
= i
->freeFramesList
;
4523 nextcf
= cf
->nextFramePtr
;
4524 if (cf
->vars
.table
!= NULL
)
4525 Jim_Free(cf
->vars
.table
);
4529 /* Free the sharedString hash table. Make sure to free it
4530 * after every other Jim_Object was freed. */
4531 Jim_FreeHashTable(&i
->sharedStrings
);
4532 /* Free the interpreter structure. */
4536 /* Store the call frame relative to the level represented by
4537 * levelObjPtr into *framePtrPtr. If levelObjPtr == NULL, the
4538 * level is assumed to be '1'.
4540 * If a newLevelptr int pointer is specified, the function stores
4541 * the absolute level integer value of the new target callframe into
4542 * *newLevelPtr. (this is used to adjust interp->numLevels
4543 * in the implementation of [uplevel], so that [info level] will
4544 * return a correct information).
4546 * This function accepts the 'level' argument in the form
4547 * of the commands [uplevel] and [upvar].
4549 * For a function accepting a relative integer as level suitable
4550 * for implementation of [info level ?level?] check the
4551 * GetCallFrameByInteger() function. */
4552 int Jim_GetCallFrameByLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4553 Jim_CallFrame
**framePtrPtr
, int *newLevelPtr
)
4557 Jim_CallFrame
*framePtr
;
4559 if (newLevelPtr
) *newLevelPtr
= interp
->numLevels
;
4561 str
= Jim_GetString(levelObjPtr
, NULL
);
4562 if (str
[0] == '#') {
4564 /* speedup for the toplevel (level #0) */
4565 if (str
[1] == '0' && str
[2] == '\0') {
4566 if (newLevelPtr
) *newLevelPtr
= 0;
4567 *framePtrPtr
= interp
->topFramePtr
;
4571 level
= strtol(str
+1, &endptr
, 0);
4572 if (str
[1] == '\0' || endptr
[0] != '\0' || level
< 0)
4574 /* An 'absolute' level is converted into the
4575 * 'number of levels to go back' format. */
4576 level
= interp
->numLevels
- level
;
4577 if (level
< 0) goto badlevel
;
4579 if (Jim_GetLong(interp
, levelObjPtr
, &level
) != JIM_OK
|| level
< 0)
4583 str
= "1"; /* Needed to format the error message. */
4587 framePtr
= interp
->framePtr
;
4588 if (newLevelPtr
) *newLevelPtr
= (*newLevelPtr
)-level
;
4590 framePtr
= framePtr
->parentCallFrame
;
4591 if (framePtr
== NULL
) goto badlevel
;
4593 *framePtrPtr
= framePtr
;
4596 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4597 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4598 "bad level \"", str
, "\"", NULL
);
4602 /* Similar to Jim_GetCallFrameByLevel() but the level is specified
4603 * as a relative integer like in the [info level ?level?] command. */
4604 static int JimGetCallFrameByInteger(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4605 Jim_CallFrame
**framePtrPtr
)
4608 jim_wide relLevel
; /* level relative to the current one. */
4609 Jim_CallFrame
*framePtr
;
4611 if (Jim_GetWide(interp
, levelObjPtr
, &level
) != JIM_OK
)
4614 /* An 'absolute' level is converted into the
4615 * 'number of levels to go back' format. */
4616 relLevel
= interp
->numLevels
- level
;
4621 framePtr
= interp
->framePtr
;
4622 while (relLevel
--) {
4623 framePtr
= framePtr
->parentCallFrame
;
4624 if (framePtr
== NULL
) goto badlevel
;
4626 *framePtrPtr
= framePtr
;
4629 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4630 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4631 "bad level \"", Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
4635 static void JimSetErrorFileName(Jim_Interp
*interp
, char *filename
)
4637 Jim_Free((void*)interp
->errorFileName
);
4638 interp
->errorFileName
= Jim_StrDup(filename
);
4641 static void JimSetErrorLineNumber(Jim_Interp
*interp
, int linenr
)
4643 interp
->errorLine
= linenr
;
4646 static void JimResetStackTrace(Jim_Interp
*interp
)
4648 Jim_DecrRefCount(interp
, interp
->stackTrace
);
4649 interp
->stackTrace
= Jim_NewListObj(interp
, NULL
, 0);
4650 Jim_IncrRefCount(interp
->stackTrace
);
4653 static void JimAppendStackTrace(Jim_Interp
*interp
, const char *procname
,
4654 const char *filename
, int linenr
)
4656 /* No need to add this dummy entry to the stack trace */
4657 if (strcmp(procname
, "unknown") == 0) {
4661 if (Jim_IsShared(interp
->stackTrace
)) {
4662 interp
->stackTrace
=
4663 Jim_DuplicateObj(interp
, interp
->stackTrace
);
4664 Jim_IncrRefCount(interp
->stackTrace
);
4666 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4667 Jim_NewStringObj(interp
, procname
, -1));
4668 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4669 Jim_NewStringObj(interp
, filename
, -1));
4670 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4671 Jim_NewIntObj(interp
, linenr
));
4674 int Jim_SetAssocData(Jim_Interp
*interp
, const char *key
, Jim_InterpDeleteProc
*delProc
, void *data
)
4676 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)Jim_Alloc(sizeof(AssocDataValue
));
4677 assocEntryPtr
->delProc
= delProc
;
4678 assocEntryPtr
->data
= data
;
4679 return Jim_AddHashEntry(&interp
->assocData
, key
, assocEntryPtr
);
4682 void *Jim_GetAssocData(Jim_Interp
*interp
, const char *key
)
4684 Jim_HashEntry
*entryPtr
= Jim_FindHashEntry(&interp
->assocData
, key
);
4685 if (entryPtr
!= NULL
) {
4686 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)entryPtr
->val
;
4687 return assocEntryPtr
->data
;
4692 int Jim_DeleteAssocData(Jim_Interp
*interp
, const char *key
)
4694 return Jim_DeleteHashEntry(&interp
->assocData
, key
);
4697 int Jim_GetExitCode(Jim_Interp
*interp
) {
4698 return interp
->exitCode
;
4701 void *Jim_SetStdin(Jim_Interp
*interp
, void *fp
)
4703 if (fp
!= NULL
) interp
->cookie_stdin
= fp
;
4704 return interp
->cookie_stdin
;
4707 void *Jim_SetStdout(Jim_Interp
*interp
, void *fp
)
4709 if (fp
!= NULL
) interp
->cookie_stdout
= fp
;
4710 return interp
->cookie_stdout
;
4713 void *Jim_SetStderr(Jim_Interp
*interp
, void *fp
)
4715 if (fp
!= NULL
) interp
->cookie_stderr
= fp
;
4716 return interp
->cookie_stderr
;
4719 /* -----------------------------------------------------------------------------
4721 * Every interpreter has an hash table where to put shared dynamically
4722 * allocate strings that are likely to be used a lot of times.
4723 * For example, in the 'source' object type, there is a pointer to
4724 * the filename associated with that object. Every script has a lot
4725 * of this objects with the identical file name, so it is wise to share
4728 * The API is trivial: Jim_GetSharedString(interp, "foobar")
4729 * returns the pointer to the shared string. Every time a reference
4730 * to the string is no longer used, the user should call
4731 * Jim_ReleaseSharedString(interp, stringPointer). Once no one is using
4732 * a given string, it is removed from the hash table.
4733 * ---------------------------------------------------------------------------*/
4734 const char *Jim_GetSharedString(Jim_Interp
*interp
, const char *str
)
4736 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4739 char *strCopy
= Jim_StrDup(str
);
4741 Jim_AddHashEntry(&interp
->sharedStrings
, strCopy
, (void*)1);
4744 long refCount
= (long) he
->val
;
4747 he
->val
= (void*) refCount
;
4752 void Jim_ReleaseSharedString(Jim_Interp
*interp
, const char *str
)
4755 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4758 Jim_Panic(interp
,"Jim_ReleaseSharedString called with "
4759 "unknown shared string '%s'", str
);
4760 refCount
= (long) he
->val
;
4762 if (refCount
== 0) {
4763 Jim_DeleteHashEntry(&interp
->sharedStrings
, str
);
4765 he
->val
= (void*) refCount
;
4769 /* -----------------------------------------------------------------------------
4771 * ---------------------------------------------------------------------------*/
4772 #define JIM_INTEGER_SPACE 24
4774 static void UpdateStringOfInt(struct Jim_Obj
*objPtr
);
4775 static int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
);
4777 static Jim_ObjType intObjType
= {
4785 void UpdateStringOfInt(struct Jim_Obj
*objPtr
)
4788 char buf
[JIM_INTEGER_SPACE
+1];
4790 len
= Jim_WideToString(buf
, objPtr
->internalRep
.wideValue
);
4791 objPtr
->bytes
= Jim_Alloc(len
+1);
4792 memcpy(objPtr
->bytes
, buf
, len
+1);
4793 objPtr
->length
= len
;
4796 int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
4801 /* Get the string representation */
4802 str
= Jim_GetString(objPtr
, NULL
);
4803 /* Try to convert into a jim_wide */
4804 if (Jim_StringToWide(str
, &wideValue
, 0) != JIM_OK
) {
4805 if (flags
& JIM_ERRMSG
) {
4806 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4807 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4808 "expected integer but got \"", str
, "\"", NULL
);
4812 if ((wideValue
== JIM_WIDE_MIN
|| wideValue
== JIM_WIDE_MAX
) &&
4814 Jim_SetResultString(interp
,
4815 "Integer value too big to be represented", -1);
4818 /* Free the old internal repr and set the new one. */
4819 Jim_FreeIntRep(interp
, objPtr
);
4820 objPtr
->typePtr
= &intObjType
;
4821 objPtr
->internalRep
.wideValue
= wideValue
;
4825 int Jim_GetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide
*widePtr
)
4827 if (objPtr
->typePtr
!= &intObjType
&&
4828 SetIntFromAny(interp
, objPtr
, JIM_ERRMSG
) == JIM_ERR
)
4830 *widePtr
= objPtr
->internalRep
.wideValue
;
4834 /* Get a wide but does not set an error if the format is bad. */
4835 static int JimGetWideNoErr(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
4838 if (objPtr
->typePtr
!= &intObjType
&&
4839 SetIntFromAny(interp
, objPtr
, JIM_NONE
) == JIM_ERR
)
4841 *widePtr
= objPtr
->internalRep
.wideValue
;
4845 int Jim_GetLong(Jim_Interp
*interp
, Jim_Obj
*objPtr
, long *longPtr
)
4850 retval
= Jim_GetWide(interp
, objPtr
, &wideValue
);
4851 if (retval
== JIM_OK
) {
4852 *longPtr
= (long) wideValue
;
4858 void Jim_SetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide wideValue
)
4860 if (Jim_IsShared(objPtr
))
4861 Jim_Panic(interp
,"Jim_SetWide called with shared object");
4862 if (objPtr
->typePtr
!= &intObjType
) {
4863 Jim_FreeIntRep(interp
, objPtr
);
4864 objPtr
->typePtr
= &intObjType
;
4866 Jim_InvalidateStringRep(objPtr
);
4867 objPtr
->internalRep
.wideValue
= wideValue
;
4870 Jim_Obj
*Jim_NewIntObj(Jim_Interp
*interp
, jim_wide wideValue
)
4874 objPtr
= Jim_NewObj(interp
);
4875 objPtr
->typePtr
= &intObjType
;
4876 objPtr
->bytes
= NULL
;
4877 objPtr
->internalRep
.wideValue
= wideValue
;
4881 /* -----------------------------------------------------------------------------
4883 * ---------------------------------------------------------------------------*/
4884 #define JIM_DOUBLE_SPACE 30
4886 static void UpdateStringOfDouble(struct Jim_Obj
*objPtr
);
4887 static int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4889 static Jim_ObjType doubleObjType
= {
4893 UpdateStringOfDouble
,
4897 void UpdateStringOfDouble(struct Jim_Obj
*objPtr
)
4900 char buf
[JIM_DOUBLE_SPACE
+1];
4902 len
= Jim_DoubleToString(buf
, objPtr
->internalRep
.doubleValue
);
4903 objPtr
->bytes
= Jim_Alloc(len
+1);
4904 memcpy(objPtr
->bytes
, buf
, len
+1);
4905 objPtr
->length
= len
;
4908 int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4913 /* Get the string representation */
4914 str
= Jim_GetString(objPtr
, NULL
);
4915 /* Try to convert into a double */
4916 if (Jim_StringToDouble(str
, &doubleValue
) != JIM_OK
) {
4917 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4918 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4919 "expected number but got '", str
, "'", NULL
);
4922 /* Free the old internal repr and set the new one. */
4923 Jim_FreeIntRep(interp
, objPtr
);
4924 objPtr
->typePtr
= &doubleObjType
;
4925 objPtr
->internalRep
.doubleValue
= doubleValue
;
4929 int Jim_GetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double *doublePtr
)
4931 if (objPtr
->typePtr
!= &doubleObjType
&&
4932 SetDoubleFromAny(interp
, objPtr
) == JIM_ERR
)
4934 *doublePtr
= objPtr
->internalRep
.doubleValue
;
4938 void Jim_SetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double doubleValue
)
4940 if (Jim_IsShared(objPtr
))
4941 Jim_Panic(interp
,"Jim_SetDouble called with shared object");
4942 if (objPtr
->typePtr
!= &doubleObjType
) {
4943 Jim_FreeIntRep(interp
, objPtr
);
4944 objPtr
->typePtr
= &doubleObjType
;
4946 Jim_InvalidateStringRep(objPtr
);
4947 objPtr
->internalRep
.doubleValue
= doubleValue
;
4950 Jim_Obj
*Jim_NewDoubleObj(Jim_Interp
*interp
, double doubleValue
)
4954 objPtr
= Jim_NewObj(interp
);
4955 objPtr
->typePtr
= &doubleObjType
;
4956 objPtr
->bytes
= NULL
;
4957 objPtr
->internalRep
.doubleValue
= doubleValue
;
4961 /* -----------------------------------------------------------------------------
4963 * ---------------------------------------------------------------------------*/
4964 static void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
);
4965 static void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4966 static void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
4967 static void UpdateStringOfList(struct Jim_Obj
*objPtr
);
4968 static int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
4970 /* Note that while the elements of the list may contain references,
4971 * the list object itself can't. This basically means that the
4972 * list object string representation as a whole can't contain references
4973 * that are not presents in the single elements. */
4974 static Jim_ObjType listObjType
= {
4976 FreeListInternalRep
,
4982 void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4986 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
4987 Jim_DecrRefCount(interp
, objPtr
->internalRep
.listValue
.ele
[i
]);
4989 Jim_Free(objPtr
->internalRep
.listValue
.ele
);
4992 void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
4995 JIM_NOTUSED(interp
);
4997 dupPtr
->internalRep
.listValue
.len
= srcPtr
->internalRep
.listValue
.len
;
4998 dupPtr
->internalRep
.listValue
.maxLen
= srcPtr
->internalRep
.listValue
.maxLen
;
4999 dupPtr
->internalRep
.listValue
.ele
=
5000 Jim_Alloc(sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.maxLen
);
5001 memcpy(dupPtr
->internalRep
.listValue
.ele
, srcPtr
->internalRep
.listValue
.ele
,
5002 sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.len
);
5003 for (i
= 0; i
< dupPtr
->internalRep
.listValue
.len
; i
++) {
5004 Jim_IncrRefCount(dupPtr
->internalRep
.listValue
.ele
[i
]);
5006 dupPtr
->typePtr
= &listObjType
;
5009 /* The following function checks if a given string can be encoded
5010 * into a list element without any kind of quoting, surrounded by braces,
5011 * or using escapes to quote. */
5012 #define JIM_ELESTR_SIMPLE 0
5013 #define JIM_ELESTR_BRACE 1
5014 #define JIM_ELESTR_QUOTE 2
5015 static int ListElementQuotingType(const char *s
, int len
)
5017 int i
, level
, trySimple
= 1;
5019 /* Try with the SIMPLE case */
5020 if (len
== 0) return JIM_ELESTR_BRACE
;
5021 if (s
[0] == '"' || s
[0] == '{') {
5025 for (i
= 0; i
< len
; i
++) {
5045 return JIM_ELESTR_SIMPLE
;
5048 /* Test if it's possible to do with braces */
5049 if (s
[len
-1] == '\\' ||
5050 s
[len
-1] == ']') return JIM_ELESTR_QUOTE
;
5052 for (i
= 0; i
< len
; i
++) {
5054 case '{': level
++; break;
5056 if (level
< 0) return JIM_ELESTR_QUOTE
;
5060 return JIM_ELESTR_QUOTE
;
5062 if (s
[i
+1] != '\0') i
++;
5067 if (!trySimple
) return JIM_ELESTR_BRACE
;
5068 for (i
= 0; i
< len
; i
++) {
5082 return JIM_ELESTR_BRACE
;
5086 return JIM_ELESTR_SIMPLE
;
5088 return JIM_ELESTR_QUOTE
;
5091 /* Returns the malloc-ed representation of a string
5092 * using backslash to quote special chars. */
5093 char *BackslashQuoteString(const char *s
, int len
, int *qlenPtr
)
5095 char *q
= Jim_Alloc(len
*2+1), *p
;
5112 case '\n': *p
++ = '\\'; *p
++ = 'n'; s
++; break;
5113 case '\r': *p
++ = '\\'; *p
++ = 'r'; s
++; break;
5114 case '\t': *p
++ = '\\'; *p
++ = 't'; s
++; break;
5115 case '\f': *p
++ = '\\'; *p
++ = 'f'; s
++; break;
5116 case '\v': *p
++ = '\\'; *p
++ = 'v'; s
++; break;
5127 void UpdateStringOfList(struct Jim_Obj
*objPtr
)
5129 int i
, bufLen
, realLength
;
5133 Jim_Obj
**ele
= objPtr
->internalRep
.listValue
.ele
;
5135 /* (Over) Estimate the space needed. */
5136 quotingType
= Jim_Alloc(sizeof(int)*objPtr
->internalRep
.listValue
.len
+1);
5138 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5141 strRep
= Jim_GetString(ele
[i
], &len
);
5142 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5143 switch (quotingType
[i
]) {
5144 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5145 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5146 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5148 bufLen
++; /* elements separator. */
5152 /* Generate the string rep. */
5153 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5155 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5157 const char *strRep
= Jim_GetString(ele
[i
], &len
);
5160 switch(quotingType
[i
]) {
5161 case JIM_ELESTR_SIMPLE
:
5162 memcpy(p
, strRep
, len
);
5166 case JIM_ELESTR_BRACE
:
5168 memcpy(p
, strRep
, len
);
5171 realLength
+= len
+2;
5173 case JIM_ELESTR_QUOTE
:
5174 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5181 /* Add a separating space */
5182 if (i
+1 != objPtr
->internalRep
.listValue
.len
) {
5187 *p
= '\0'; /* nul term. */
5188 objPtr
->length
= realLength
;
5189 Jim_Free(quotingType
);
5192 int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5194 struct JimParserCtx parser
;
5198 /* Get the string representation */
5199 str
= Jim_GetString(objPtr
, &strLen
);
5201 /* Free the old internal repr just now and initialize the
5202 * new one just now. The string->list conversion can't fail. */
5203 Jim_FreeIntRep(interp
, objPtr
);
5204 objPtr
->typePtr
= &listObjType
;
5205 objPtr
->internalRep
.listValue
.len
= 0;
5206 objPtr
->internalRep
.listValue
.maxLen
= 0;
5207 objPtr
->internalRep
.listValue
.ele
= NULL
;
5209 /* Convert into a list */
5210 JimParserInit(&parser
, str
, strLen
, 1);
5211 while(!JimParserEof(&parser
)) {
5214 Jim_Obj
*elementPtr
;
5216 JimParseList(&parser
);
5217 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5218 JimParserTtype(&parser
) != JIM_TT_ESC
)
5220 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5221 elementPtr
= Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5222 ListAppendElement(objPtr
, elementPtr
);
5227 Jim_Obj
*Jim_NewListObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
,
5233 objPtr
= Jim_NewObj(interp
);
5234 objPtr
->typePtr
= &listObjType
;
5235 objPtr
->bytes
= NULL
;
5236 objPtr
->internalRep
.listValue
.ele
= NULL
;
5237 objPtr
->internalRep
.listValue
.len
= 0;
5238 objPtr
->internalRep
.listValue
.maxLen
= 0;
5239 for (i
= 0; i
< len
; i
++) {
5240 ListAppendElement(objPtr
, elements
[i
]);
5245 /* Return a vector of Jim_Obj with the elements of a Jim list, and the
5246 * length of the vector. Note that the user of this function should make
5247 * sure that the list object can't shimmer while the vector returned
5248 * is in use, this vector is the one stored inside the internal representation
5249 * of the list object. This function is not exported, extensions should
5250 * always access to the List object elements using Jim_ListIndex(). */
5251 static void JimListGetElements(Jim_Interp
*interp
, Jim_Obj
*listObj
, int *argc
,
5254 Jim_ListLength(interp
, listObj
, argc
);
5255 assert(listObj
->typePtr
== &listObjType
);
5256 *listVec
= listObj
->internalRep
.listValue
.ele
;
5259 /* ListSortElements type values */
5260 enum {JIM_LSORT_ASCII
, JIM_LSORT_NOCASE
, JIM_LSORT_ASCII_DECR
,
5261 JIM_LSORT_NOCASE_DECR
};
5263 /* Sort the internal rep of a list. */
5264 static int ListSortString(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5266 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0);
5269 static int ListSortStringDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5271 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0) * -1;
5274 static int ListSortStringNoCase(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5276 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1);
5279 static int ListSortStringNoCaseDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5281 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1) * -1;
5284 /* Sort a list *in place*. MUST be called with non-shared objects. */
5285 static void ListSortElements(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, int type
)
5287 typedef int (qsort_comparator
)(const void *, const void *);
5288 int (*fn
)(Jim_Obj
**, Jim_Obj
**);
5292 if (Jim_IsShared(listObjPtr
))
5293 Jim_Panic(interp
,"Jim_ListSortElements called with shared object");
5294 if (listObjPtr
->typePtr
!= &listObjType
)
5295 SetListFromAny(interp
, listObjPtr
);
5297 vector
= listObjPtr
->internalRep
.listValue
.ele
;
5298 len
= listObjPtr
->internalRep
.listValue
.len
;
5300 case JIM_LSORT_ASCII
: fn
= ListSortString
; break;
5301 case JIM_LSORT_NOCASE
: fn
= ListSortStringNoCase
; break;
5302 case JIM_LSORT_ASCII_DECR
: fn
= ListSortStringDecr
; break;
5303 case JIM_LSORT_NOCASE_DECR
: fn
= ListSortStringNoCaseDecr
; break;
5305 fn
= NULL
; /* avoid warning */
5306 Jim_Panic(interp
,"ListSort called with invalid sort type");
5308 qsort(vector
, len
, sizeof(Jim_Obj
*), (qsort_comparator
*)fn
);
5309 Jim_InvalidateStringRep(listObjPtr
);
5312 /* This is the low-level function to append an element to a list.
5313 * The higher-level Jim_ListAppendElement() performs shared object
5314 * check and invalidate the string repr. This version is used
5315 * in the internals of the List Object and is not exported.
5317 * NOTE: this function can be called only against objects
5318 * with internal type of List. */
5319 void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5321 int requiredLen
= listPtr
->internalRep
.listValue
.len
+ 1;
5323 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5324 int maxLen
= requiredLen
* 2;
5326 listPtr
->internalRep
.listValue
.ele
=
5327 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5328 sizeof(Jim_Obj
*)*maxLen
);
5329 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5331 listPtr
->internalRep
.listValue
.ele
[listPtr
->internalRep
.listValue
.len
] =
5333 listPtr
->internalRep
.listValue
.len
++;
5334 Jim_IncrRefCount(objPtr
);
5337 /* This is the low-level function to insert elements into a list.
5338 * The higher-level Jim_ListInsertElements() performs shared object
5339 * check and invalidate the string repr. This version is used
5340 * in the internals of the List Object and is not exported.
5342 * NOTE: this function can be called only against objects
5343 * with internal type of List. */
5344 void ListInsertElements(Jim_Obj
*listPtr
, int index
, int elemc
,
5345 Jim_Obj
*const *elemVec
)
5347 int currentLen
= listPtr
->internalRep
.listValue
.len
;
5348 int requiredLen
= currentLen
+ elemc
;
5352 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5353 int maxLen
= requiredLen
* 2;
5355 listPtr
->internalRep
.listValue
.ele
=
5356 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5357 sizeof(Jim_Obj
*)*maxLen
);
5358 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5360 point
= listPtr
->internalRep
.listValue
.ele
+ index
;
5361 memmove(point
+elemc
, point
, (currentLen
-index
) * sizeof(Jim_Obj
*));
5362 for (i
=0; i
< elemc
; ++i
) {
5363 point
[i
] = elemVec
[i
];
5364 Jim_IncrRefCount(point
[i
]);
5366 listPtr
->internalRep
.listValue
.len
+= elemc
;
5369 /* Appends every element of appendListPtr into listPtr.
5370 * Both have to be of the list type. */
5371 void ListAppendList(Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5373 int i
, oldLen
= listPtr
->internalRep
.listValue
.len
;
5374 int appendLen
= appendListPtr
->internalRep
.listValue
.len
;
5375 int requiredLen
= oldLen
+ appendLen
;
5377 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5378 int maxLen
= requiredLen
* 2;
5380 listPtr
->internalRep
.listValue
.ele
=
5381 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5382 sizeof(Jim_Obj
*)*maxLen
);
5383 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5385 for (i
= 0; i
< appendLen
; i
++) {
5386 Jim_Obj
*objPtr
= appendListPtr
->internalRep
.listValue
.ele
[i
];
5387 listPtr
->internalRep
.listValue
.ele
[oldLen
+i
] = objPtr
;
5388 Jim_IncrRefCount(objPtr
);
5390 listPtr
->internalRep
.listValue
.len
+= appendLen
;
5393 void Jim_ListAppendElement(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5395 if (Jim_IsShared(listPtr
))
5396 Jim_Panic(interp
,"Jim_ListAppendElement called with shared object");
5397 if (listPtr
->typePtr
!= &listObjType
)
5398 SetListFromAny(interp
, listPtr
);
5399 Jim_InvalidateStringRep(listPtr
);
5400 ListAppendElement(listPtr
, objPtr
);
5403 void Jim_ListAppendList(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5405 if (Jim_IsShared(listPtr
))
5406 Jim_Panic(interp
,"Jim_ListAppendList called with shared object");
5407 if (listPtr
->typePtr
!= &listObjType
)
5408 SetListFromAny(interp
, listPtr
);
5409 Jim_InvalidateStringRep(listPtr
);
5410 ListAppendList(listPtr
, appendListPtr
);
5413 void Jim_ListLength(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int *intPtr
)
5415 if (listPtr
->typePtr
!= &listObjType
)
5416 SetListFromAny(interp
, listPtr
);
5417 *intPtr
= listPtr
->internalRep
.listValue
.len
;
5420 void Jim_ListInsertElements(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5421 int objc
, Jim_Obj
*const *objVec
)
5423 if (Jim_IsShared(listPtr
))
5424 Jim_Panic(interp
,"Jim_ListInsertElement called with shared object");
5425 if (listPtr
->typePtr
!= &listObjType
)
5426 SetListFromAny(interp
, listPtr
);
5427 if (index
>= 0 && index
> listPtr
->internalRep
.listValue
.len
)
5428 index
= listPtr
->internalRep
.listValue
.len
;
5429 else if (index
< 0 )
5431 Jim_InvalidateStringRep(listPtr
);
5432 ListInsertElements(listPtr
, index
, objc
, objVec
);
5435 int Jim_ListIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5436 Jim_Obj
**objPtrPtr
, int flags
)
5438 if (listPtr
->typePtr
!= &listObjType
)
5439 SetListFromAny(interp
, listPtr
);
5440 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5441 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5442 if (flags
& JIM_ERRMSG
) {
5443 Jim_SetResultString(interp
,
5444 "list index out of range", -1);
5449 index
= listPtr
->internalRep
.listValue
.len
+index
;
5450 *objPtrPtr
= listPtr
->internalRep
.listValue
.ele
[index
];
5454 static int ListSetIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5455 Jim_Obj
*newObjPtr
, int flags
)
5457 if (listPtr
->typePtr
!= &listObjType
)
5458 SetListFromAny(interp
, listPtr
);
5459 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5460 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5461 if (flags
& JIM_ERRMSG
) {
5462 Jim_SetResultString(interp
,
5463 "list index out of range", -1);
5468 index
= listPtr
->internalRep
.listValue
.len
+index
;
5469 Jim_DecrRefCount(interp
, listPtr
->internalRep
.listValue
.ele
[index
]);
5470 listPtr
->internalRep
.listValue
.ele
[index
] = newObjPtr
;
5471 Jim_IncrRefCount(newObjPtr
);
5475 /* Modify the list stored into the variable named 'varNamePtr'
5476 * setting the element specified by the 'indexc' indexes objects in 'indexv',
5477 * with the new element 'newObjptr'. */
5478 int Jim_SetListIndex(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5479 Jim_Obj
*const *indexv
, int indexc
, Jim_Obj
*newObjPtr
)
5481 Jim_Obj
*varObjPtr
, *objPtr
, *listObjPtr
;
5482 int shared
, i
, index
;
5484 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5487 if ((shared
= Jim_IsShared(objPtr
)))
5488 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5489 for (i
= 0; i
< indexc
-1; i
++) {
5490 listObjPtr
= objPtr
;
5491 if (Jim_GetIndex(interp
, indexv
[i
], &index
) != JIM_OK
)
5493 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
5494 JIM_ERRMSG
) != JIM_OK
) {
5497 if (Jim_IsShared(objPtr
)) {
5498 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5499 ListSetIndex(interp
, listObjPtr
, index
, objPtr
, JIM_NONE
);
5501 Jim_InvalidateStringRep(listObjPtr
);
5503 if (Jim_GetIndex(interp
, indexv
[indexc
-1], &index
) != JIM_OK
)
5505 if (ListSetIndex(interp
, objPtr
, index
, newObjPtr
, JIM_ERRMSG
) == JIM_ERR
)
5507 Jim_InvalidateStringRep(objPtr
);
5508 Jim_InvalidateStringRep(varObjPtr
);
5509 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5511 Jim_SetResult(interp
, varObjPtr
);
5515 Jim_FreeNewObj(interp
, varObjPtr
);
5520 Jim_Obj
*Jim_ConcatObj(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
5524 /* If all the objects in objv are lists without string rep.
5525 * it's possible to return a list as result, that's the
5526 * concatenation of all the lists. */
5527 for (i
= 0; i
< objc
; i
++) {
5528 if (objv
[i
]->typePtr
!= &listObjType
|| objv
[i
]->bytes
)
5532 Jim_Obj
*objPtr
= Jim_NewListObj(interp
, NULL
, 0);
5533 for (i
= 0; i
< objc
; i
++)
5534 Jim_ListAppendList(interp
, objPtr
, objv
[i
]);
5537 /* Else... we have to glue strings together */
5538 int len
= 0, objLen
;
5541 /* Compute the length */
5542 for (i
= 0; i
< objc
; i
++) {
5543 Jim_GetString(objv
[i
], &objLen
);
5546 if (objc
) len
+= objc
-1;
5547 /* Create the string rep, and a stinrg object holding it. */
5548 p
= bytes
= Jim_Alloc(len
+1);
5549 for (i
= 0; i
< objc
; i
++) {
5550 const char *s
= Jim_GetString(objv
[i
], &objLen
);
5551 while (objLen
&& (*s
== ' ' || *s
== '\t' || *s
== '\n'))
5553 s
++; objLen
--; len
--;
5555 while (objLen
&& (s
[objLen
-1] == ' ' ||
5556 s
[objLen
-1] == '\n' || s
[objLen
-1] == '\t')) {
5559 memcpy(p
, s
, objLen
);
5561 if (objLen
&& i
+1 != objc
) {
5563 } else if (i
+1 != objc
) {
5564 /* Drop the space calcuated for this
5565 * element that is instead null. */
5570 return Jim_NewStringObjNoAlloc(interp
, bytes
, len
);
5574 /* Returns a list composed of the elements in the specified range.
5575 * first and start are directly accepted as Jim_Objects and
5576 * processed for the end?-index? case. */
5577 Jim_Obj
*Jim_ListRange(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
5582 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
5583 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
5585 Jim_ListLength(interp
, listObjPtr
, &len
); /* will convert into list */
5586 first
= JimRelToAbsIndex(len
, first
);
5587 last
= JimRelToAbsIndex(len
, last
);
5588 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
5589 return Jim_NewListObj(interp
,
5590 listObjPtr
->internalRep
.listValue
.ele
+first
, rangeLen
);
5593 /* -----------------------------------------------------------------------------
5595 * ---------------------------------------------------------------------------*/
5596 static void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
5597 static void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
5598 static void UpdateStringOfDict(struct Jim_Obj
*objPtr
);
5599 static int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
5601 /* Dict HashTable Type.
5603 * Keys and Values are Jim objects. */
5605 unsigned int JimObjectHTHashFunction(const void *key
)
5608 Jim_Obj
*objPtr
= (Jim_Obj
*) key
;
5611 str
= Jim_GetString(objPtr
, &len
);
5612 h
= Jim_GenHashFunction((unsigned char*)str
, len
);
5616 int JimObjectHTKeyCompare(void *privdata
, const void *key1
, const void *key2
)
5618 JIM_NOTUSED(privdata
);
5620 return Jim_StringEqObj((Jim_Obj
*)key1
, (Jim_Obj
*)key2
, 0);
5623 static void JimObjectHTKeyValDestructor(void *interp
, void *val
)
5625 Jim_Obj
*objPtr
= val
;
5627 Jim_DecrRefCount(interp
, objPtr
);
5630 static Jim_HashTableType JimDictHashTableType
= {
5631 JimObjectHTHashFunction
, /* hash function */
5634 JimObjectHTKeyCompare
, /* key compare */
5635 (void(*)(void*, const void*)) /* ATTENTION: const cast */
5636 JimObjectHTKeyValDestructor
, /* key destructor */
5637 JimObjectHTKeyValDestructor
/* val destructor */
5640 /* Note that while the elements of the dict may contain references,
5641 * the list object itself can't. This basically means that the
5642 * dict object string representation as a whole can't contain references
5643 * that are not presents in the single elements. */
5644 static Jim_ObjType dictObjType
= {
5646 FreeDictInternalRep
,
5652 void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
5654 JIM_NOTUSED(interp
);
5656 Jim_FreeHashTable(objPtr
->internalRep
.ptr
);
5657 Jim_Free(objPtr
->internalRep
.ptr
);
5660 void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
5662 Jim_HashTable
*ht
, *dupHt
;
5663 Jim_HashTableIterator
*htiter
;
5666 /* Create a new hash table */
5667 ht
= srcPtr
->internalRep
.ptr
;
5668 dupHt
= Jim_Alloc(sizeof(*dupHt
));
5669 Jim_InitHashTable(dupHt
, &JimDictHashTableType
, interp
);
5671 Jim_ExpandHashTable(dupHt
, ht
->size
);
5672 /* Copy every element from the source to the dup hash table */
5673 htiter
= Jim_GetHashTableIterator(ht
);
5674 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5675 const Jim_Obj
*keyObjPtr
= he
->key
;
5676 Jim_Obj
*valObjPtr
= he
->val
;
5678 Jim_IncrRefCount((Jim_Obj
*)keyObjPtr
); /* ATTENTION: const cast */
5679 Jim_IncrRefCount(valObjPtr
);
5680 Jim_AddHashEntry(dupHt
, keyObjPtr
, valObjPtr
);
5682 Jim_FreeHashTableIterator(htiter
);
5684 dupPtr
->internalRep
.ptr
= dupHt
;
5685 dupPtr
->typePtr
= &dictObjType
;
5688 void UpdateStringOfDict(struct Jim_Obj
*objPtr
)
5690 int i
, bufLen
, realLength
;
5693 int *quotingType
, objc
;
5695 Jim_HashTableIterator
*htiter
;
5699 /* Trun the hash table into a flat vector of Jim_Objects. */
5700 ht
= objPtr
->internalRep
.ptr
;
5702 objv
= Jim_Alloc(objc
*sizeof(Jim_Obj
*));
5703 htiter
= Jim_GetHashTableIterator(ht
);
5705 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5706 objv
[i
++] = (Jim_Obj
*)he
->key
; /* ATTENTION: const cast */
5707 objv
[i
++] = he
->val
;
5709 Jim_FreeHashTableIterator(htiter
);
5710 /* (Over) Estimate the space needed. */
5711 quotingType
= Jim_Alloc(sizeof(int)*objc
);
5713 for (i
= 0; i
< objc
; i
++) {
5716 strRep
= Jim_GetString(objv
[i
], &len
);
5717 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5718 switch (quotingType
[i
]) {
5719 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5720 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5721 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5723 bufLen
++; /* elements separator. */
5727 /* Generate the string rep. */
5728 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5730 for (i
= 0; i
< objc
; i
++) {
5732 const char *strRep
= Jim_GetString(objv
[i
], &len
);
5735 switch(quotingType
[i
]) {
5736 case JIM_ELESTR_SIMPLE
:
5737 memcpy(p
, strRep
, len
);
5741 case JIM_ELESTR_BRACE
:
5743 memcpy(p
, strRep
, len
);
5746 realLength
+= len
+2;
5748 case JIM_ELESTR_QUOTE
:
5749 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5756 /* Add a separating space */
5762 *p
= '\0'; /* nul term. */
5763 objPtr
->length
= realLength
;
5764 Jim_Free(quotingType
);
5768 int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5770 struct JimParserCtx parser
;
5776 /* Get the string representation */
5777 str
= Jim_GetString(objPtr
, &strLen
);
5779 /* Free the old internal repr just now and initialize the
5780 * new one just now. The string->list conversion can't fail. */
5781 Jim_FreeIntRep(interp
, objPtr
);
5782 ht
= Jim_Alloc(sizeof(*ht
));
5783 Jim_InitHashTable(ht
, &JimDictHashTableType
, interp
);
5784 objPtr
->typePtr
= &dictObjType
;
5785 objPtr
->internalRep
.ptr
= ht
;
5787 /* Convert into a dict */
5788 JimParserInit(&parser
, str
, strLen
, 1);
5790 while(!JimParserEof(&parser
)) {
5794 JimParseList(&parser
);
5795 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5796 JimParserTtype(&parser
) != JIM_TT_ESC
)
5798 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5799 objv
[i
++] = Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5802 Jim_IncrRefCount(objv
[0]);
5803 Jim_IncrRefCount(objv
[1]);
5804 if (Jim_AddHashEntry(ht
, objv
[0], objv
[1]) != JIM_OK
) {
5806 he
= Jim_FindHashEntry(ht
, objv
[0]);
5807 Jim_DecrRefCount(interp
, objv
[0]);
5808 /* ATTENTION: const cast */
5809 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5815 Jim_FreeNewObj(interp
, objv
[0]);
5816 objPtr
->typePtr
= NULL
;
5817 Jim_FreeHashTable(ht
);
5818 Jim_SetResultString(interp
, "invalid dictionary value: must be a list with an even number of elements", -1);
5824 /* Dict object API */
5826 /* Add an element to a dict. objPtr must be of the "dict" type.
5827 * The higer-level exported function is Jim_DictAddElement().
5828 * If an element with the specified key already exists, the value
5829 * associated is replaced with the new one.
5831 * if valueObjPtr == NULL, the key is instead removed if it exists. */
5832 static void DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5833 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5835 Jim_HashTable
*ht
= objPtr
->internalRep
.ptr
;
5837 if (valueObjPtr
== NULL
) { /* unset */
5838 Jim_DeleteHashEntry(ht
, keyObjPtr
);
5841 Jim_IncrRefCount(keyObjPtr
);
5842 Jim_IncrRefCount(valueObjPtr
);
5843 if (Jim_AddHashEntry(ht
, keyObjPtr
, valueObjPtr
) != JIM_OK
) {
5844 Jim_HashEntry
*he
= Jim_FindHashEntry(ht
, keyObjPtr
);
5845 Jim_DecrRefCount(interp
, keyObjPtr
);
5846 /* ATTENTION: const cast */
5847 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5848 he
->val
= valueObjPtr
;
5852 /* Add an element, higher-level interface for DictAddElement().
5853 * If valueObjPtr == NULL, the key is removed if it exists. */
5854 int Jim_DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5855 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5857 if (Jim_IsShared(objPtr
))
5858 Jim_Panic(interp
,"Jim_DictAddElement called with shared object");
5859 if (objPtr
->typePtr
!= &dictObjType
) {
5860 if (SetDictFromAny(interp
, objPtr
) != JIM_OK
)
5863 DictAddElement(interp
, objPtr
, keyObjPtr
, valueObjPtr
);
5864 Jim_InvalidateStringRep(objPtr
);
5868 Jim_Obj
*Jim_NewDictObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
, int len
)
5874 Jim_Panic(interp
,"Jim_NewDicObj() 'len' argument must be even");
5876 objPtr
= Jim_NewObj(interp
);
5877 objPtr
->typePtr
= &dictObjType
;
5878 objPtr
->bytes
= NULL
;
5879 objPtr
->internalRep
.ptr
= Jim_Alloc(sizeof(Jim_HashTable
));
5880 Jim_InitHashTable(objPtr
->internalRep
.ptr
, &JimDictHashTableType
, interp
);
5881 for (i
= 0; i
< len
; i
+= 2)
5882 DictAddElement(interp
, objPtr
, elements
[i
], elements
[i
+1]);
5886 /* Return the value associated to the specified dict key */
5887 int Jim_DictKey(Jim_Interp
*interp
, Jim_Obj
*dictPtr
, Jim_Obj
*keyPtr
,
5888 Jim_Obj
**objPtrPtr
, int flags
)
5893 if (dictPtr
->typePtr
!= &dictObjType
) {
5894 if (SetDictFromAny(interp
, dictPtr
) != JIM_OK
)
5897 ht
= dictPtr
->internalRep
.ptr
;
5898 if ((he
= Jim_FindHashEntry(ht
, keyPtr
)) == NULL
) {
5899 if (flags
& JIM_ERRMSG
) {
5900 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
5901 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
5902 "key \"", Jim_GetString(keyPtr
, NULL
),
5903 "\" not found in dictionary", NULL
);
5907 *objPtrPtr
= he
->val
;
5911 /* Return the value associated to the specified dict keys */
5912 int Jim_DictKeysVector(Jim_Interp
*interp
, Jim_Obj
*dictPtr
,
5913 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
**objPtrPtr
, int flags
)
5919 *objPtrPtr
= dictPtr
;
5923 for (i
= 0; i
< keyc
; i
++) {
5924 if (Jim_DictKey(interp
, dictPtr
, keyv
[i
], &objPtr
, flags
)
5929 *objPtrPtr
= objPtr
;
5933 /* Modify the dict stored into the variable named 'varNamePtr'
5934 * setting the element specified by the 'keyc' keys objects in 'keyv',
5935 * with the new value of the element 'newObjPtr'.
5937 * If newObjPtr == NULL the operation is to remove the given key
5938 * from the dictionary. */
5939 int Jim_SetDictKeysVector(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5940 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
*newObjPtr
)
5942 Jim_Obj
*varObjPtr
, *objPtr
, *dictObjPtr
;
5945 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5946 if (objPtr
== NULL
) {
5947 if (newObjPtr
== NULL
) /* Cannot remove a key from non existing var */
5949 varObjPtr
= objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5950 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
5951 Jim_FreeNewObj(interp
, varObjPtr
);
5955 if ((shared
= Jim_IsShared(objPtr
)))
5956 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5957 for (i
= 0; i
< keyc
-1; i
++) {
5958 dictObjPtr
= objPtr
;
5960 /* Check if it's a valid dictionary */
5961 if (dictObjPtr
->typePtr
!= &dictObjType
) {
5962 if (SetDictFromAny(interp
, dictObjPtr
) != JIM_OK
)
5965 /* Check if the given key exists. */
5966 Jim_InvalidateStringRep(dictObjPtr
);
5967 if (Jim_DictKey(interp
, dictObjPtr
, keyv
[i
], &objPtr
,
5968 newObjPtr
? JIM_NONE
: JIM_ERRMSG
) == JIM_OK
)
5970 /* This key exists at the current level.
5971 * Make sure it's not shared!. */
5972 if (Jim_IsShared(objPtr
)) {
5973 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5974 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5977 /* Key not found. If it's an [unset] operation
5978 * this is an error. Only the last key may not
5980 if (newObjPtr
== NULL
)
5982 /* Otherwise set an empty dictionary
5983 * as key's value. */
5984 objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5985 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5988 if (Jim_DictAddElement(interp
, objPtr
, keyv
[keyc
-1], newObjPtr
)
5991 Jim_InvalidateStringRep(objPtr
);
5992 Jim_InvalidateStringRep(varObjPtr
);
5993 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5995 Jim_SetResult(interp
, varObjPtr
);
5999 Jim_FreeNewObj(interp
, varObjPtr
);
6004 /* -----------------------------------------------------------------------------
6006 * ---------------------------------------------------------------------------*/
6007 static void UpdateStringOfIndex(struct Jim_Obj
*objPtr
);
6008 static int SetIndexFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6010 static Jim_ObjType indexObjType
= {
6014 UpdateStringOfIndex
,
6018 void UpdateStringOfIndex(struct Jim_Obj
*objPtr
)
6021 char buf
[JIM_INTEGER_SPACE
+1];
6023 if (objPtr
->internalRep
.indexValue
>= 0)
6024 len
= sprintf(buf
, "%d", objPtr
->internalRep
.indexValue
);
6025 else if (objPtr
->internalRep
.indexValue
== -1)
6026 len
= sprintf(buf
, "end");
6028 len
= sprintf(buf
, "end%d", objPtr
->internalRep
.indexValue
+1);
6030 objPtr
->bytes
= Jim_Alloc(len
+1);
6031 memcpy(objPtr
->bytes
, buf
, len
+1);
6032 objPtr
->length
= len
;
6035 int SetIndexFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6040 /* Get the string representation */
6041 str
= Jim_GetString(objPtr
, NULL
);
6042 /* Try to convert into an index */
6043 if (!strcmp(str
, "end")) {
6047 if (!strncmp(str
, "end-", 4)) {
6051 if (Jim_StringToIndex(str
, &index
) != JIM_OK
) {
6052 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6053 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6054 "bad index \"", Jim_GetString(objPtr
, NULL
), "\": "
6055 "must be integer or end?-integer?", NULL
);
6064 } else if (!end
&& index
< 0)
6066 /* Free the old internal repr and set the new one. */
6067 Jim_FreeIntRep(interp
, objPtr
);
6068 objPtr
->typePtr
= &indexObjType
;
6069 objPtr
->internalRep
.indexValue
= index
;
6073 int Jim_GetIndex(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *indexPtr
)
6075 /* Avoid shimmering if the object is an integer. */
6076 if (objPtr
->typePtr
== &intObjType
) {
6077 jim_wide val
= objPtr
->internalRep
.wideValue
;
6078 if (!(val
< LONG_MIN
) && !(val
> LONG_MAX
)) {
6079 *indexPtr
= (val
< 0) ? -INT_MAX
: (long)val
;;
6083 if (objPtr
->typePtr
!= &indexObjType
&&
6084 SetIndexFromAny(interp
, objPtr
) == JIM_ERR
)
6086 *indexPtr
= objPtr
->internalRep
.indexValue
;
6090 /* -----------------------------------------------------------------------------
6091 * Return Code Object.
6092 * ---------------------------------------------------------------------------*/
6094 static int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6096 static Jim_ObjType returnCodeObjType
= {
6104 int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6107 int strLen
, returnCode
;
6110 /* Get the string representation */
6111 str
= Jim_GetString(objPtr
, &strLen
);
6112 /* Try to convert into an integer */
6113 if (JimGetWideNoErr(interp
, objPtr
, &wideValue
) != JIM_ERR
)
6114 returnCode
= (int) wideValue
;
6115 else if (!JimStringCompare(str
, strLen
, "ok", 2, JIM_NOCASE
))
6116 returnCode
= JIM_OK
;
6117 else if (!JimStringCompare(str
, strLen
, "error", 5, JIM_NOCASE
))
6118 returnCode
= JIM_ERR
;
6119 else if (!JimStringCompare(str
, strLen
, "return", 6, JIM_NOCASE
))
6120 returnCode
= JIM_RETURN
;
6121 else if (!JimStringCompare(str
, strLen
, "break", 5, JIM_NOCASE
))
6122 returnCode
= JIM_BREAK
;
6123 else if (!JimStringCompare(str
, strLen
, "continue", 8, JIM_NOCASE
))
6124 returnCode
= JIM_CONTINUE
;
6125 else if (!JimStringCompare(str
, strLen
, "eval", 4, JIM_NOCASE
))
6126 returnCode
= JIM_EVAL
;
6127 else if (!JimStringCompare(str
, strLen
, "exit", 4, JIM_NOCASE
))
6128 returnCode
= JIM_EXIT
;
6130 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6131 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6132 "expected return code but got '", str
, "'",
6136 /* Free the old internal repr and set the new one. */
6137 Jim_FreeIntRep(interp
, objPtr
);
6138 objPtr
->typePtr
= &returnCodeObjType
;
6139 objPtr
->internalRep
.returnCode
= returnCode
;
6143 int Jim_GetReturnCode(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *intPtr
)
6145 if (objPtr
->typePtr
!= &returnCodeObjType
&&
6146 SetReturnCodeFromAny(interp
, objPtr
) == JIM_ERR
)
6148 *intPtr
= objPtr
->internalRep
.returnCode
;
6152 /* -----------------------------------------------------------------------------
6153 * Expression Parsing
6154 * ---------------------------------------------------------------------------*/
6155 static int JimParseExprOperator(struct JimParserCtx
*pc
);
6156 static int JimParseExprNumber(struct JimParserCtx
*pc
);
6157 static int JimParseExprIrrational(struct JimParserCtx
*pc
);
6159 /* Exrp's Stack machine operators opcodes. */
6161 /* Binary operators (numbers) */
6162 #define JIM_EXPROP_BINARY_NUM_FIRST 0 /* first */
6163 #define JIM_EXPROP_MUL 0
6164 #define JIM_EXPROP_DIV 1
6165 #define JIM_EXPROP_MOD 2
6166 #define JIM_EXPROP_SUB 3
6167 #define JIM_EXPROP_ADD 4
6168 #define JIM_EXPROP_LSHIFT 5
6169 #define JIM_EXPROP_RSHIFT 6
6170 #define JIM_EXPROP_ROTL 7
6171 #define JIM_EXPROP_ROTR 8
6172 #define JIM_EXPROP_LT 9
6173 #define JIM_EXPROP_GT 10
6174 #define JIM_EXPROP_LTE 11
6175 #define JIM_EXPROP_GTE 12
6176 #define JIM_EXPROP_NUMEQ 13
6177 #define JIM_EXPROP_NUMNE 14
6178 #define JIM_EXPROP_BITAND 15
6179 #define JIM_EXPROP_BITXOR 16
6180 #define JIM_EXPROP_BITOR 17
6181 #define JIM_EXPROP_LOGICAND 18
6182 #define JIM_EXPROP_LOGICOR 19
6183 #define JIM_EXPROP_LOGICAND_LEFT 20
6184 #define JIM_EXPROP_LOGICOR_LEFT 21
6185 #define JIM_EXPROP_POW 22
6186 #define JIM_EXPROP_BINARY_NUM_LAST 22 /* last */
6188 /* Binary operators (strings) */
6189 #define JIM_EXPROP_STREQ 23
6190 #define JIM_EXPROP_STRNE 24
6192 /* Unary operators (numbers) */
6193 #define JIM_EXPROP_NOT 25
6194 #define JIM_EXPROP_BITNOT 26
6195 #define JIM_EXPROP_UNARYMINUS 27
6196 #define JIM_EXPROP_UNARYPLUS 28
6197 #define JIM_EXPROP_LOGICAND_RIGHT 29
6198 #define JIM_EXPROP_LOGICOR_RIGHT 30
6200 /* Ternary operators */
6201 #define JIM_EXPROP_TERNARY 31
6204 #define JIM_EXPROP_NUMBER 32
6205 #define JIM_EXPROP_COMMAND 33
6206 #define JIM_EXPROP_VARIABLE 34
6207 #define JIM_EXPROP_DICTSUGAR 35
6208 #define JIM_EXPROP_SUBST 36
6209 #define JIM_EXPROP_STRING 37
6211 /* Operators table */
6212 typedef struct Jim_ExprOperator
{
6219 /* name - precedence - arity - opcode */
6220 static struct Jim_ExprOperator Jim_ExprOperators
[] = {
6221 {"!", 300, 1, JIM_EXPROP_NOT
},
6222 {"~", 300, 1, JIM_EXPROP_BITNOT
},
6223 {"unarymin", 300, 1, JIM_EXPROP_UNARYMINUS
},
6224 {"unaryplus", 300, 1, JIM_EXPROP_UNARYPLUS
},
6226 {"**", 250, 2, JIM_EXPROP_POW
},
6228 {"*", 200, 2, JIM_EXPROP_MUL
},
6229 {"/", 200, 2, JIM_EXPROP_DIV
},
6230 {"%", 200, 2, JIM_EXPROP_MOD
},
6232 {"-", 100, 2, JIM_EXPROP_SUB
},
6233 {"+", 100, 2, JIM_EXPROP_ADD
},
6235 {"<<<", 90, 3, JIM_EXPROP_ROTL
},
6236 {">>>", 90, 3, JIM_EXPROP_ROTR
},
6237 {"<<", 90, 2, JIM_EXPROP_LSHIFT
},
6238 {">>", 90, 2, JIM_EXPROP_RSHIFT
},
6240 {"<", 80, 2, JIM_EXPROP_LT
},
6241 {">", 80, 2, JIM_EXPROP_GT
},
6242 {"<=", 80, 2, JIM_EXPROP_LTE
},
6243 {">=", 80, 2, JIM_EXPROP_GTE
},
6245 {"==", 70, 2, JIM_EXPROP_NUMEQ
},
6246 {"!=", 70, 2, JIM_EXPROP_NUMNE
},
6248 {"eq", 60, 2, JIM_EXPROP_STREQ
},
6249 {"ne", 60, 2, JIM_EXPROP_STRNE
},
6251 {"&", 50, 2, JIM_EXPROP_BITAND
},
6252 {"^", 49, 2, JIM_EXPROP_BITXOR
},
6253 {"|", 48, 2, JIM_EXPROP_BITOR
},
6255 {"&&", 10, 2, JIM_EXPROP_LOGICAND
},
6256 {"||", 10, 2, JIM_EXPROP_LOGICOR
},
6258 {"?", 5, 3, JIM_EXPROP_TERNARY
},
6259 /* private operators */
6260 {NULL
, 10, 2, JIM_EXPROP_LOGICAND_LEFT
},
6261 {NULL
, 10, 1, JIM_EXPROP_LOGICAND_RIGHT
},
6262 {NULL
, 10, 2, JIM_EXPROP_LOGICOR_LEFT
},
6263 {NULL
, 10, 1, JIM_EXPROP_LOGICOR_RIGHT
},
6266 #define JIM_EXPR_OPERATORS_NUM \
6267 (sizeof(Jim_ExprOperators)/sizeof(struct Jim_ExprOperator))
6269 int JimParseExpression(struct JimParserCtx
*pc
)
6271 /* Discard spaces and quoted newline */
6272 while(*(pc
->p
) == ' ' ||
6276 (*(pc
->p
) == '\\' && *(pc
->p
+1) == '\n')) {
6281 pc
->tstart
= pc
->tend
= pc
->p
;
6282 pc
->tline
= pc
->linenr
;
6283 pc
->tt
= JIM_TT_EOL
;
6289 pc
->tstart
= pc
->tend
= pc
->p
;
6290 pc
->tline
= pc
->linenr
;
6291 pc
->tt
= JIM_TT_SUBEXPR_START
;
6295 pc
->tstart
= pc
->tend
= pc
->p
;
6296 pc
->tline
= pc
->linenr
;
6297 pc
->tt
= JIM_TT_SUBEXPR_END
;
6301 return JimParseCmd(pc
);
6304 if (JimParseVar(pc
) == JIM_ERR
)
6305 return JimParseExprOperator(pc
);
6310 if ((pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_EXPR_OPERATOR
) &&
6311 isdigit((int)*(pc
->p
+1)))
6312 return JimParseExprNumber(pc
);
6314 return JimParseExprOperator(pc
);
6316 case '0': case '1': case '2': case '3': case '4':
6317 case '5': case '6': case '7': case '8': case '9': case '.':
6318 return JimParseExprNumber(pc
);
6322 /* Here it's possible to reuse the List String parsing. */
6323 pc
->tt
= JIM_TT_NONE
; /* Make sure it's sensed as a new word. */
6324 return JimParseListStr(pc
);
6328 if (JimParseExprIrrational(pc
) == JIM_ERR
)
6329 return JimParseExprOperator(pc
);
6332 return JimParseExprOperator(pc
);
6338 int JimParseExprNumber(struct JimParserCtx
*pc
)
6344 pc
->tline
= pc
->linenr
;
6345 if (*pc
->p
== '-') {
6348 while ( isdigit((int)*pc
->p
)
6349 || (allowhex
&& isxdigit((int)*pc
->p
) )
6350 || (allowdot
&& *pc
->p
== '.')
6351 || (pc
->p
-pc
->tstart
== 1 && *pc
->tstart
== '0' &&
6352 (*pc
->p
== 'x' || *pc
->p
== 'X'))
6355 if ((*pc
->p
== 'x') || (*pc
->p
== 'X')) {
6362 if (!allowdot
&& *pc
->p
== 'e' && *(pc
->p
+1) == '-') {
6363 pc
->p
+= 2; pc
->len
-= 2;
6367 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6371 int JimParseExprIrrational(struct JimParserCtx
*pc
)
6373 const char *Tokens
[] = {"NaN", "nan", "NAN", "Inf", "inf", "INF", NULL
};
6375 for (token
= Tokens
; *token
!= NULL
; token
++) {
6376 int len
= strlen(*token
);
6377 if (strncmp(*token
, pc
->p
, len
) == 0) {
6379 pc
->tend
= pc
->p
+ len
- 1;
6380 pc
->p
+= len
; pc
->len
-= len
;
6381 pc
->tline
= pc
->linenr
;
6382 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6389 int JimParseExprOperator(struct JimParserCtx
*pc
)
6392 int bestIdx
= -1, bestLen
= 0;
6394 /* Try to get the longest match. */
6395 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++) {
6399 opname
= Jim_ExprOperators
[i
].name
;
6400 if (opname
== NULL
) continue;
6401 oplen
= strlen(opname
);
6403 if (strncmp(opname
, pc
->p
, oplen
) == 0 && oplen
> bestLen
) {
6408 if (bestIdx
== -1) return JIM_ERR
;
6410 pc
->tend
= pc
->p
+ bestLen
- 1;
6411 pc
->p
+= bestLen
; pc
->len
-= bestLen
;
6412 pc
->tline
= pc
->linenr
;
6413 pc
->tt
= JIM_TT_EXPR_OPERATOR
;
6417 struct Jim_ExprOperator
*JimExprOperatorInfo(const char *opname
)
6420 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6421 if (Jim_ExprOperators
[i
].name
&&
6422 strcmp(opname
, Jim_ExprOperators
[i
].name
) == 0)
6423 return &Jim_ExprOperators
[i
];
6427 struct Jim_ExprOperator
*JimExprOperatorInfoByOpcode(int opcode
)
6430 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6431 if (Jim_ExprOperators
[i
].opcode
== opcode
)
6432 return &Jim_ExprOperators
[i
];
6436 /* -----------------------------------------------------------------------------
6438 * ---------------------------------------------------------------------------*/
6439 static void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6440 static void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
6441 static int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6443 static Jim_ObjType exprObjType
= {
6445 FreeExprInternalRep
,
6448 JIM_TYPE_REFERENCES
,
6451 /* Expr bytecode structure */
6452 typedef struct ExprByteCode
{
6453 int *opcode
; /* Integer array of opcodes. */
6454 Jim_Obj
**obj
; /* Array of associated Jim Objects. */
6455 int len
; /* Bytecode length */
6456 int inUse
; /* Used for sharing. */
6459 void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6462 ExprByteCode
*expr
= (void*) objPtr
->internalRep
.ptr
;
6465 if (expr
->inUse
!= 0) return;
6466 for (i
= 0; i
< expr
->len
; i
++)
6467 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6468 Jim_Free(expr
->opcode
);
6469 Jim_Free(expr
->obj
);
6473 void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
6475 JIM_NOTUSED(interp
);
6476 JIM_NOTUSED(srcPtr
);
6478 /* Just returns an simple string. */
6479 dupPtr
->typePtr
= NULL
;
6482 /* Add a new instruction to an expression bytecode structure. */
6483 static void ExprObjAddInstr(Jim_Interp
*interp
, ExprByteCode
*expr
,
6484 int opcode
, char *str
, int len
)
6486 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+1));
6487 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+1));
6488 expr
->opcode
[expr
->len
] = opcode
;
6489 expr
->obj
[expr
->len
] = Jim_NewStringObjNoAlloc(interp
, str
, len
);
6490 Jim_IncrRefCount(expr
->obj
[expr
->len
]);
6494 /* Check if an expr program looks correct. */
6495 static int ExprCheckCorrectness(ExprByteCode
*expr
)
6500 /* Try to check if there are stack underflows,
6501 * and make sure at the end of the program there is
6502 * a single result on the stack. */
6503 for (i
= 0; i
< expr
->len
; i
++) {
6504 switch(expr
->opcode
[i
]) {
6505 case JIM_EXPROP_NUMBER
:
6506 case JIM_EXPROP_STRING
:
6507 case JIM_EXPROP_SUBST
:
6508 case JIM_EXPROP_VARIABLE
:
6509 case JIM_EXPROP_DICTSUGAR
:
6510 case JIM_EXPROP_COMMAND
:
6513 case JIM_EXPROP_NOT
:
6514 case JIM_EXPROP_BITNOT
:
6515 case JIM_EXPROP_UNARYMINUS
:
6516 case JIM_EXPROP_UNARYPLUS
:
6517 /* Unary operations */
6518 if (stacklen
< 1) return JIM_ERR
;
6520 case JIM_EXPROP_ADD
:
6521 case JIM_EXPROP_SUB
:
6522 case JIM_EXPROP_MUL
:
6523 case JIM_EXPROP_DIV
:
6524 case JIM_EXPROP_MOD
:
6527 case JIM_EXPROP_LTE
:
6528 case JIM_EXPROP_GTE
:
6529 case JIM_EXPROP_ROTL
:
6530 case JIM_EXPROP_ROTR
:
6531 case JIM_EXPROP_LSHIFT
:
6532 case JIM_EXPROP_RSHIFT
:
6533 case JIM_EXPROP_NUMEQ
:
6534 case JIM_EXPROP_NUMNE
:
6535 case JIM_EXPROP_STREQ
:
6536 case JIM_EXPROP_STRNE
:
6537 case JIM_EXPROP_BITAND
:
6538 case JIM_EXPROP_BITXOR
:
6539 case JIM_EXPROP_BITOR
:
6540 case JIM_EXPROP_LOGICAND
:
6541 case JIM_EXPROP_LOGICOR
:
6542 case JIM_EXPROP_POW
:
6543 /* binary operations */
6544 if (stacklen
< 2) return JIM_ERR
;
6548 Jim_Panic(NULL
,"Default opcode reached ExprCheckCorrectness");
6552 if (stacklen
!= 1) return JIM_ERR
;
6556 static void ExprShareLiterals(Jim_Interp
*interp
, ExprByteCode
*expr
,
6557 ScriptObj
*topLevelScript
)
6562 for (i
= 0; i
< expr
->len
; i
++) {
6563 Jim_Obj
*foundObjPtr
;
6565 if (expr
->obj
[i
] == NULL
) continue;
6566 foundObjPtr
= ScriptSearchLiteral(interp
, topLevelScript
,
6567 NULL
, expr
->obj
[i
]);
6568 if (foundObjPtr
!= NULL
) {
6569 Jim_IncrRefCount(foundObjPtr
);
6570 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6571 expr
->obj
[i
] = foundObjPtr
;
6576 /* This procedure converts every occurrence of || and && opereators
6577 * in lazy unary versions.
6579 * a b || is converted into:
6581 * a <offset> |L b |R
6583 * a b && is converted into:
6585 * a <offset> &L b &R
6587 * "|L" checks if 'a' is true:
6588 * 1) if it is true pushes 1 and skips <offset> istructions to reach
6589 * the opcode just after |R.
6590 * 2) if it is false does nothing.
6591 * "|R" checks if 'b' is true:
6592 * 1) if it is true pushes 1, otherwise pushes 0.
6594 * "&L" checks if 'a' is true:
6595 * 1) if it is true does nothing.
6596 * 2) If it is false pushes 0 and skips <offset> istructions to reach
6597 * the opcode just after &R
6598 * "&R" checks if 'a' is true:
6599 * if it is true pushes 1, otherwise pushes 0.
6601 static void ExprMakeLazy(Jim_Interp
*interp
, ExprByteCode
*expr
)
6604 int index
= -1, leftindex
, arity
, i
, offset
;
6605 Jim_ExprOperator
*op
;
6607 /* Search for || or && */
6608 for (i
= 0; i
< expr
->len
; i
++) {
6609 if (expr
->opcode
[i
] == JIM_EXPROP_LOGICAND
||
6610 expr
->opcode
[i
] == JIM_EXPROP_LOGICOR
) {
6615 if (index
== -1) return;
6616 /* Search for the end of the first operator */
6617 leftindex
= index
-1;
6620 switch(expr
->opcode
[leftindex
]) {
6621 case JIM_EXPROP_NUMBER
:
6622 case JIM_EXPROP_COMMAND
:
6623 case JIM_EXPROP_VARIABLE
:
6624 case JIM_EXPROP_DICTSUGAR
:
6625 case JIM_EXPROP_SUBST
:
6626 case JIM_EXPROP_STRING
:
6629 op
= JimExprOperatorInfoByOpcode(expr
->opcode
[leftindex
]);
6631 Jim_Panic(interp
,"Default reached in ExprMakeLazy()");
6640 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+2));
6641 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+2));
6642 memmove(&expr
->opcode
[leftindex
+2], &expr
->opcode
[leftindex
],
6643 sizeof(int)*(expr
->len
-leftindex
));
6644 memmove(&expr
->obj
[leftindex
+2], &expr
->obj
[leftindex
],
6645 sizeof(Jim_Obj
*)*(expr
->len
-leftindex
));
6648 offset
= (index
-leftindex
)-1;
6649 Jim_DecrRefCount(interp
, expr
->obj
[index
]);
6650 if (expr
->opcode
[index
] == JIM_EXPROP_LOGICAND
) {
6651 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICAND_LEFT
;
6652 expr
->opcode
[index
] = JIM_EXPROP_LOGICAND_RIGHT
;
6653 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "&L", -1);
6654 expr
->obj
[index
] = Jim_NewStringObj(interp
, "&R", -1);
6656 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICOR_LEFT
;
6657 expr
->opcode
[index
] = JIM_EXPROP_LOGICOR_RIGHT
;
6658 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "|L", -1);
6659 expr
->obj
[index
] = Jim_NewStringObj(interp
, "|R", -1);
6661 expr
->opcode
[leftindex
] = JIM_EXPROP_NUMBER
;
6662 expr
->obj
[leftindex
] = Jim_NewIntObj(interp
, offset
);
6663 Jim_IncrRefCount(expr
->obj
[index
]);
6664 Jim_IncrRefCount(expr
->obj
[leftindex
]);
6665 Jim_IncrRefCount(expr
->obj
[leftindex
+1]);
6669 /* This method takes the string representation of an expression
6670 * and generates a program for the Expr's stack-based VM. */
6671 int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
6674 const char *exprText
= Jim_GetString(objPtr
, &exprTextLen
);
6675 struct JimParserCtx parser
;
6676 int i
, shareLiterals
;
6677 ExprByteCode
*expr
= Jim_Alloc(sizeof(*expr
));
6679 Jim_ExprOperator
*op
;
6681 /* Perform literal sharing with the current procedure
6682 * running only if this expression appears to be not generated
6684 shareLiterals
= objPtr
->typePtr
== &sourceObjType
;
6686 expr
->opcode
= NULL
;
6691 Jim_InitStack(&stack
);
6692 JimParserInit(&parser
, exprText
, exprTextLen
, 1);
6693 while(!JimParserEof(&parser
)) {
6697 if (JimParseExpression(&parser
) != JIM_OK
) {
6698 Jim_SetResultString(interp
, "Syntax error in expression", -1);
6701 token
= JimParserGetToken(&parser
, &len
, &type
, NULL
);
6702 if (type
== JIM_TT_EOL
) {
6708 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_STRING
, token
, len
);
6711 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_SUBST
, token
, len
);
6714 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_VARIABLE
, token
, len
);
6716 case JIM_TT_DICTSUGAR
:
6717 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_DICTSUGAR
, token
, len
);
6720 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_COMMAND
, token
, len
);
6722 case JIM_TT_EXPR_NUMBER
:
6723 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_NUMBER
, token
, len
);
6725 case JIM_TT_EXPR_OPERATOR
:
6726 op
= JimExprOperatorInfo(token
);
6728 Jim_ExprOperator
*stackTopOp
;
6730 if (Jim_StackPeek(&stack
) != NULL
) {
6731 stackTopOp
= JimExprOperatorInfo(Jim_StackPeek(&stack
));
6735 if (Jim_StackLen(&stack
) && op
->arity
!= 1 &&
6736 stackTopOp
&& stackTopOp
->precedence
>= op
->precedence
)
6738 ExprObjAddInstr(interp
, expr
, stackTopOp
->opcode
,
6739 Jim_StackPeek(&stack
), -1);
6740 Jim_StackPop(&stack
);
6745 Jim_StackPush(&stack
, token
);
6747 case JIM_TT_SUBEXPR_START
:
6748 Jim_StackPush(&stack
, Jim_StrDup("("));
6751 case JIM_TT_SUBEXPR_END
:
6754 while(Jim_StackLen(&stack
)) {
6755 char *opstr
= Jim_StackPop(&stack
);
6756 if (!strcmp(opstr
, "(")) {
6761 op
= JimExprOperatorInfo(opstr
);
6762 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6765 Jim_SetResultString(interp
,
6766 "Unexpected close parenthesis", -1);
6773 Jim_Panic(interp
,"Default reached in SetExprFromAny()");
6777 while (Jim_StackLen(&stack
)) {
6778 char *opstr
= Jim_StackPop(&stack
);
6779 op
= JimExprOperatorInfo(opstr
);
6780 if (op
== NULL
&& !strcmp(opstr
, "(")) {
6782 Jim_SetResultString(interp
, "Missing close parenthesis", -1);
6785 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6787 /* Check program correctness. */
6788 if (ExprCheckCorrectness(expr
) != JIM_OK
) {
6789 Jim_SetResultString(interp
, "Invalid expression", -1);
6793 /* Free the stack used for the compilation. */
6794 Jim_FreeStackElements(&stack
, Jim_Free
);
6795 Jim_FreeStack(&stack
);
6797 /* Convert || and && operators in unary |L |R and &L &R for lazyness */
6798 ExprMakeLazy(interp
, expr
);
6800 /* Perform literal sharing */
6801 if (shareLiterals
&& interp
->framePtr
->procBodyObjPtr
) {
6802 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
6803 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
6804 ScriptObj
*bodyScript
= bodyObjPtr
->internalRep
.ptr
;
6805 ExprShareLiterals(interp
, expr
, bodyScript
);
6809 /* Free the old internal rep and set the new one. */
6810 Jim_FreeIntRep(interp
, objPtr
);
6811 Jim_SetIntRepPtr(objPtr
, expr
);
6812 objPtr
->typePtr
= &exprObjType
;
6815 err
: /* we jump here on syntax/compile errors. */
6816 Jim_FreeStackElements(&stack
, Jim_Free
);
6817 Jim_FreeStack(&stack
);
6818 Jim_Free(expr
->opcode
);
6819 for (i
= 0; i
< expr
->len
; i
++) {
6820 Jim_DecrRefCount(interp
,expr
->obj
[i
]);
6822 Jim_Free(expr
->obj
);
6827 ExprByteCode
*Jim_GetExpression(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6829 if (objPtr
->typePtr
!= &exprObjType
) {
6830 if (SetExprFromAny(interp
, objPtr
) != JIM_OK
)
6833 return (ExprByteCode
*) Jim_GetIntRepPtr(objPtr
);
6836 /* -----------------------------------------------------------------------------
6837 * Expressions evaluation.
6838 * Jim uses a specialized stack-based virtual machine for expressions,
6839 * that takes advantage of the fact that expr's operators
6840 * can't be redefined.
6842 * Jim_EvalExpression() uses the bytecode compiled by
6843 * SetExprFromAny() method of the "expression" object.
6845 * On success a Tcl Object containing the result of the evaluation
6846 * is stored into expResultPtrPtr (having refcount of 1), and JIM_OK is
6848 * On error the function returns a retcode != to JIM_OK and set a suitable
6849 * error on the interp.
6850 * ---------------------------------------------------------------------------*/
6851 #define JIM_EE_STATICSTACK_LEN 10
6853 int Jim_EvalExpression(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
,
6854 Jim_Obj
**exprResultPtrPtr
)
6857 Jim_Obj
**stack
, *staticStack
[JIM_EE_STATICSTACK_LEN
];
6858 int stacklen
= 0, i
, error
= 0, errRetCode
= JIM_ERR
;
6860 Jim_IncrRefCount(exprObjPtr
);
6861 expr
= Jim_GetExpression(interp
, exprObjPtr
);
6863 Jim_DecrRefCount(interp
, exprObjPtr
);
6864 return JIM_ERR
; /* error in expression. */
6866 /* In order to avoid that the internal repr gets freed due to
6867 * shimmering of the exprObjPtr's object, we make the internal rep
6871 /* The stack-based expr VM itself */
6873 /* Stack allocation. Expr programs have the feature that
6874 * a program of length N can't require a stack longer than
6876 if (expr
->len
> JIM_EE_STATICSTACK_LEN
)
6877 stack
= Jim_Alloc(sizeof(Jim_Obj
*)*expr
->len
);
6879 stack
= staticStack
;
6881 /* Execute every istruction */
6882 for (i
= 0; i
< expr
->len
; i
++) {
6883 Jim_Obj
*A
, *B
, *objPtr
;
6884 jim_wide wA
, wB
, wC
;
6886 const char *sA
, *sB
;
6887 int Alen
, Blen
, retcode
;
6888 int opcode
= expr
->opcode
[i
];
6890 if (opcode
== JIM_EXPROP_NUMBER
|| opcode
== JIM_EXPROP_STRING
) {
6891 stack
[stacklen
++] = expr
->obj
[i
];
6892 Jim_IncrRefCount(expr
->obj
[i
]);
6893 } else if (opcode
== JIM_EXPROP_VARIABLE
) {
6894 objPtr
= Jim_GetVariable(interp
, expr
->obj
[i
], JIM_ERRMSG
);
6895 if (objPtr
== NULL
) {
6899 stack
[stacklen
++] = objPtr
;
6900 Jim_IncrRefCount(objPtr
);
6901 } else if (opcode
== JIM_EXPROP_SUBST
) {
6902 if ((retcode
= Jim_SubstObj(interp
, expr
->obj
[i
],
6903 &objPtr
, JIM_NONE
)) != JIM_OK
)
6906 errRetCode
= retcode
;
6909 stack
[stacklen
++] = objPtr
;
6910 Jim_IncrRefCount(objPtr
);
6911 } else if (opcode
== JIM_EXPROP_DICTSUGAR
) {
6912 objPtr
= Jim_ExpandDictSugar(interp
, expr
->obj
[i
]);
6913 if (objPtr
== NULL
) {
6917 stack
[stacklen
++] = objPtr
;
6918 Jim_IncrRefCount(objPtr
);
6919 } else if (opcode
== JIM_EXPROP_COMMAND
) {
6920 if ((retcode
= Jim_EvalObj(interp
, expr
->obj
[i
])) != JIM_OK
) {
6922 errRetCode
= retcode
;
6925 stack
[stacklen
++] = interp
->result
;
6926 Jim_IncrRefCount(interp
->result
);
6927 } else if (opcode
>= JIM_EXPROP_BINARY_NUM_FIRST
&&
6928 opcode
<= JIM_EXPROP_BINARY_NUM_LAST
)
6930 /* Note that there isn't to increment the
6931 * refcount of objects. the references are moved
6932 * from stack to A and B. */
6933 B
= stack
[--stacklen
];
6934 A
= stack
[--stacklen
];
6936 /* --- Integer --- */
6937 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
6938 (B
->typePtr
== &doubleObjType
&& !B
->bytes
) ||
6939 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
||
6940 JimGetWideNoErr(interp
, B
, &wB
) != JIM_OK
) {
6943 Jim_DecrRefCount(interp
, A
);
6944 Jim_DecrRefCount(interp
, B
);
6945 switch(expr
->opcode
[i
]) {
6946 case JIM_EXPROP_ADD
: wC
= wA
+wB
; break;
6947 case JIM_EXPROP_SUB
: wC
= wA
-wB
; break;
6948 case JIM_EXPROP_MUL
: wC
= wA
*wB
; break;
6949 case JIM_EXPROP_LT
: wC
= wA
<wB
; break;
6950 case JIM_EXPROP_GT
: wC
= wA
>wB
; break;
6951 case JIM_EXPROP_LTE
: wC
= wA
<=wB
; break;
6952 case JIM_EXPROP_GTE
: wC
= wA
>=wB
; break;
6953 case JIM_EXPROP_LSHIFT
: wC
= wA
<<wB
; break;
6954 case JIM_EXPROP_RSHIFT
: wC
= wA
>>wB
; break;
6955 case JIM_EXPROP_NUMEQ
: wC
= wA
==wB
; break;
6956 case JIM_EXPROP_NUMNE
: wC
= wA
!=wB
; break;
6957 case JIM_EXPROP_BITAND
: wC
= wA
&wB
; break;
6958 case JIM_EXPROP_BITXOR
: wC
= wA
^wB
; break;
6959 case JIM_EXPROP_BITOR
: wC
= wA
|wB
; break;
6960 case JIM_EXPROP_POW
: wC
= JimPowWide(wA
,wB
); break;
6961 case JIM_EXPROP_LOGICAND_LEFT
:
6969 case JIM_EXPROP_LOGICOR_LEFT
:
6977 case JIM_EXPROP_DIV
:
6978 if (wB
== 0) goto divbyzero
;
6981 case JIM_EXPROP_MOD
:
6982 if (wB
== 0) goto divbyzero
;
6985 case JIM_EXPROP_ROTL
: {
6986 /* uint32_t would be better. But not everyone has inttypes.h?*/
6987 unsigned long uA
= (unsigned long)wA
;
6989 wC
= _rotl(uA
,(unsigned long)wB
);
6991 const unsigned int S
= sizeof(unsigned long) * 8;
6992 wC
= (unsigned long)((uA
<<wB
)|(uA
>>(S
-wB
)));
6996 case JIM_EXPROP_ROTR
: {
6997 unsigned long uA
= (unsigned long)wA
;
6999 wC
= _rotr(uA
,(unsigned long)wB
);
7001 const unsigned int S
= sizeof(unsigned long) * 8;
7002 wC
= (unsigned long)((uA
>>wB
)|(uA
<<(S
-wB
)));
7008 wC
= 0; /* avoid gcc warning */
7011 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7012 Jim_IncrRefCount(stack
[stacklen
]);
7016 /* --- Double --- */
7017 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
||
7018 Jim_GetDouble(interp
, B
, &dB
) != JIM_OK
) {
7020 /* Hmmm! For compatibility, maybe convert != and == into ne and eq */
7021 if (expr
->opcode
[i
] == JIM_EXPROP_NUMNE
) {
7022 opcode
= JIM_EXPROP_STRNE
;
7023 goto retry_as_string
;
7025 else if (expr
->opcode
[i
] == JIM_EXPROP_NUMEQ
) {
7026 opcode
= JIM_EXPROP_STREQ
;
7027 goto retry_as_string
;
7029 Jim_DecrRefCount(interp
, A
);
7030 Jim_DecrRefCount(interp
, B
);
7034 Jim_DecrRefCount(interp
, A
);
7035 Jim_DecrRefCount(interp
, B
);
7036 switch(expr
->opcode
[i
]) {
7037 case JIM_EXPROP_ROTL
:
7038 case JIM_EXPROP_ROTR
:
7039 case JIM_EXPROP_LSHIFT
:
7040 case JIM_EXPROP_RSHIFT
:
7041 case JIM_EXPROP_BITAND
:
7042 case JIM_EXPROP_BITXOR
:
7043 case JIM_EXPROP_BITOR
:
7044 case JIM_EXPROP_MOD
:
7045 case JIM_EXPROP_POW
:
7046 Jim_SetResultString(interp
,
7047 "Got floating-point value where integer was expected", -1);
7051 case JIM_EXPROP_ADD
: dC
= dA
+dB
; break;
7052 case JIM_EXPROP_SUB
: dC
= dA
-dB
; break;
7053 case JIM_EXPROP_MUL
: dC
= dA
*dB
; break;
7054 case JIM_EXPROP_LT
: dC
= dA
<dB
; break;
7055 case JIM_EXPROP_GT
: dC
= dA
>dB
; break;
7056 case JIM_EXPROP_LTE
: dC
= dA
<=dB
; break;
7057 case JIM_EXPROP_GTE
: dC
= dA
>=dB
; break;
7058 case JIM_EXPROP_NUMEQ
: dC
= dA
==dB
; break;
7059 case JIM_EXPROP_NUMNE
: dC
= dA
!=dB
; break;
7060 case JIM_EXPROP_LOGICAND_LEFT
:
7068 case JIM_EXPROP_LOGICOR_LEFT
:
7076 case JIM_EXPROP_DIV
:
7077 if (dB
== 0) goto divbyzero
;
7081 dC
= 0; /* avoid gcc warning */
7084 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7085 Jim_IncrRefCount(stack
[stacklen
]);
7087 } else if (opcode
== JIM_EXPROP_STREQ
|| opcode
== JIM_EXPROP_STRNE
) {
7088 B
= stack
[--stacklen
];
7089 A
= stack
[--stacklen
];
7091 sA
= Jim_GetString(A
, &Alen
);
7092 sB
= Jim_GetString(B
, &Blen
);
7094 case JIM_EXPROP_STREQ
:
7095 if (Alen
== Blen
&& memcmp(sA
, sB
, Alen
) ==0)
7100 case JIM_EXPROP_STRNE
:
7101 if (Alen
!= Blen
|| memcmp(sA
, sB
, Alen
) != 0)
7107 wC
= 0; /* avoid gcc warning */
7110 Jim_DecrRefCount(interp
, A
);
7111 Jim_DecrRefCount(interp
, B
);
7112 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7113 Jim_IncrRefCount(stack
[stacklen
]);
7115 } else if (opcode
== JIM_EXPROP_NOT
||
7116 opcode
== JIM_EXPROP_BITNOT
||
7117 opcode
== JIM_EXPROP_LOGICAND_RIGHT
||
7118 opcode
== JIM_EXPROP_LOGICOR_RIGHT
) {
7119 /* Note that there isn't to increment the
7120 * refcount of objects. the references are moved
7121 * from stack to A and B. */
7122 A
= stack
[--stacklen
];
7124 /* --- Integer --- */
7125 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
7126 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
) {
7127 goto trydouble_unary
;
7129 Jim_DecrRefCount(interp
, A
);
7130 switch(expr
->opcode
[i
]) {
7131 case JIM_EXPROP_NOT
: wC
= !wA
; break;
7132 case JIM_EXPROP_BITNOT
: wC
= ~wA
; break;
7133 case JIM_EXPROP_LOGICAND_RIGHT
:
7134 case JIM_EXPROP_LOGICOR_RIGHT
: wC
= (wA
!= 0); break;
7136 wC
= 0; /* avoid gcc warning */
7139 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7140 Jim_IncrRefCount(stack
[stacklen
]);
7144 /* --- Double --- */
7145 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
) {
7146 Jim_DecrRefCount(interp
, A
);
7150 Jim_DecrRefCount(interp
, A
);
7151 switch(expr
->opcode
[i
]) {
7152 case JIM_EXPROP_NOT
: dC
= !dA
; break;
7153 case JIM_EXPROP_LOGICAND_RIGHT
:
7154 case JIM_EXPROP_LOGICOR_RIGHT
: dC
= (dA
!= 0); break;
7155 case JIM_EXPROP_BITNOT
:
7156 Jim_SetResultString(interp
,
7157 "Got floating-point value where integer was expected", -1);
7162 dC
= 0; /* avoid gcc warning */
7165 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7166 Jim_IncrRefCount(stack
[stacklen
]);
7169 Jim_Panic(interp
,"Unknown opcode in Jim_EvalExpression");
7173 /* There is no need to decerement the inUse field because
7174 * this reference is transfered back into the exprObjPtr. */
7175 Jim_FreeIntRep(interp
, exprObjPtr
);
7176 exprObjPtr
->typePtr
= &exprObjType
;
7177 Jim_SetIntRepPtr(exprObjPtr
, expr
);
7178 Jim_DecrRefCount(interp
, exprObjPtr
);
7180 *exprResultPtrPtr
= stack
[0];
7181 Jim_IncrRefCount(stack
[0]);
7182 errRetCode
= JIM_OK
;
7184 for (i
= 0; i
< stacklen
; i
++) {
7185 Jim_DecrRefCount(interp
, stack
[i
]);
7187 if (stack
!= staticStack
)
7192 Jim_SetResultString(interp
, "Division by zero", -1);
7196 int Jim_GetBoolFromExpr(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
, int *boolPtr
)
7201 Jim_Obj
*exprResultPtr
;
7203 retcode
= Jim_EvalExpression(interp
, exprObjPtr
, &exprResultPtr
);
7204 if (retcode
!= JIM_OK
)
7206 if (JimGetWideNoErr(interp
, exprResultPtr
, &wideValue
) != JIM_OK
) {
7207 if (Jim_GetDouble(interp
, exprResultPtr
, &doubleValue
) != JIM_OK
)
7209 Jim_DecrRefCount(interp
, exprResultPtr
);
7212 Jim_DecrRefCount(interp
, exprResultPtr
);
7213 *boolPtr
= doubleValue
!= 0;
7217 Jim_DecrRefCount(interp
, exprResultPtr
);
7218 *boolPtr
= wideValue
!= 0;
7222 /* -----------------------------------------------------------------------------
7223 * ScanFormat String Object
7224 * ---------------------------------------------------------------------------*/
7226 /* This Jim_Obj will held a parsed representation of a format string passed to
7227 * the Jim_ScanString command. For error diagnostics, the scanformat string has
7228 * to be parsed in its entirely first and then, if correct, can be used for
7229 * scanning. To avoid endless re-parsing, the parsed representation will be
7230 * stored in an internal representation and re-used for performance reason. */
7232 /* A ScanFmtPartDescr will held the information of /one/ part of the whole
7233 * scanformat string. This part will later be used to extract information
7234 * out from the string to be parsed by Jim_ScanString */
7236 typedef struct ScanFmtPartDescr
{
7237 char type
; /* Type of conversion (e.g. c, d, f) */
7238 char modifier
; /* Modify type (e.g. l - long, h - short */
7239 size_t width
; /* Maximal width of input to be converted */
7240 int pos
; /* -1 - no assign, 0 - natural pos, >0 - XPG3 pos */
7241 char *arg
; /* Specification of a CHARSET conversion */
7242 char *prefix
; /* Prefix to be scanned literally before conversion */
7245 /* The ScanFmtStringObj will held the internal representation of a scanformat
7246 * string parsed and separated in part descriptions. Furthermore it contains
7247 * the original string representation of the scanformat string to allow for
7248 * fast update of the Jim_Obj's string representation part.
7250 * As add-on the internal object representation add some scratch pad area
7251 * for usage by Jim_ScanString to avoid endless allocating and freeing of
7252 * memory for purpose of string scanning.
7254 * The error member points to a static allocated string in case of a mal-
7255 * formed scanformat string or it contains '0' (NULL) in case of a valid
7256 * parse representation.
7258 * The whole memory of the internal representation is allocated as a single
7259 * area of memory that will be internally separated. So freeing and duplicating
7260 * of such an object is cheap */
7262 typedef struct ScanFmtStringObj
{
7263 jim_wide size
; /* Size of internal repr in bytes */
7264 char *stringRep
; /* Original string representation */
7265 size_t count
; /* Number of ScanFmtPartDescr contained */
7266 size_t convCount
; /* Number of conversions that will assign */
7267 size_t maxPos
; /* Max position index if XPG3 is used */
7268 const char *error
; /* Ptr to error text (NULL if no error */
7269 char *scratch
; /* Some scratch pad used by Jim_ScanString */
7270 ScanFmtPartDescr descr
[1]; /* The vector of partial descriptions */
7274 static void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
7275 static void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
7276 static void UpdateStringOfScanFmt(Jim_Obj
*objPtr
);
7278 static Jim_ObjType scanFmtStringObjType
= {
7280 FreeScanFmtInternalRep
,
7281 DupScanFmtInternalRep
,
7282 UpdateStringOfScanFmt
,
7286 void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7288 JIM_NOTUSED(interp
);
7289 Jim_Free((char*)objPtr
->internalRep
.ptr
);
7290 objPtr
->internalRep
.ptr
= 0;
7293 void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
7295 size_t size
= (size_t)((ScanFmtStringObj
*)srcPtr
->internalRep
.ptr
)->size
;
7296 ScanFmtStringObj
*newVec
= (ScanFmtStringObj
*)Jim_Alloc(size
);
7298 JIM_NOTUSED(interp
);
7299 memcpy(newVec
, srcPtr
->internalRep
.ptr
, size
);
7300 dupPtr
->internalRep
.ptr
= newVec
;
7301 dupPtr
->typePtr
= &scanFmtStringObjType
;
7304 void UpdateStringOfScanFmt(Jim_Obj
*objPtr
)
7306 char *bytes
= ((ScanFmtStringObj
*)objPtr
->internalRep
.ptr
)->stringRep
;
7308 objPtr
->bytes
= Jim_StrDup(bytes
);
7309 objPtr
->length
= strlen(bytes
);
7312 /* SetScanFmtFromAny will parse a given string and create the internal
7313 * representation of the format specification. In case of an error
7314 * the error data member of the internal representation will be set
7315 * to an descriptive error text and the function will be left with
7316 * JIM_ERR to indicate unsucessful parsing (aka. malformed scanformat
7319 static int SetScanFmtFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7321 ScanFmtStringObj
*fmtObj
;
7323 int maxCount
, i
, approxSize
, lastPos
= -1;
7324 const char *fmt
= objPtr
->bytes
;
7325 int maxFmtLen
= objPtr
->length
;
7326 const char *fmtEnd
= fmt
+ maxFmtLen
;
7329 Jim_FreeIntRep(interp
, objPtr
);
7330 /* Count how many conversions could take place maximally */
7331 for (i
=0, maxCount
=0; i
< maxFmtLen
; ++i
)
7334 /* Calculate an approximation of the memory necessary */
7335 approxSize
= sizeof(ScanFmtStringObj
) /* Size of the container */
7336 + (maxCount
+ 1) * sizeof(ScanFmtPartDescr
) /* Size of all partials */
7337 + maxFmtLen
* sizeof(char) + 3 + 1 /* Scratch + "%n" + '\0' */
7338 + maxFmtLen
* sizeof(char) + 1 /* Original stringrep */
7339 + maxFmtLen
* sizeof(char) /* Arg for CHARSETs */
7340 + (maxCount
+1) * sizeof(char) /* '\0' for every partial */
7341 + 1; /* safety byte */
7342 fmtObj
= (ScanFmtStringObj
*)Jim_Alloc(approxSize
);
7343 memset(fmtObj
, 0, approxSize
);
7344 fmtObj
->size
= approxSize
;
7346 fmtObj
->scratch
= (char*)&fmtObj
->descr
[maxCount
+1];
7347 fmtObj
->stringRep
= fmtObj
->scratch
+ maxFmtLen
+ 3 + 1;
7348 memcpy(fmtObj
->stringRep
, fmt
, maxFmtLen
);
7349 buffer
= fmtObj
->stringRep
+ maxFmtLen
+ 1;
7350 objPtr
->internalRep
.ptr
= fmtObj
;
7351 objPtr
->typePtr
= &scanFmtStringObjType
;
7352 for (i
=0, curr
=0; fmt
< fmtEnd
; ++fmt
) {
7354 ScanFmtPartDescr
*descr
= &fmtObj
->descr
[curr
];
7356 descr
->width
= 0; /* Assume width unspecified */
7357 /* Overread and store any "literal" prefix */
7358 if (*fmt
!= '%' || fmt
[1] == '%') {
7360 descr
->prefix
= &buffer
[i
];
7361 for (; fmt
< fmtEnd
; ++fmt
) {
7363 if (fmt
[1] != '%') break;
7370 /* Skip the conversion introducing '%' sign */
7372 /* End reached due to non-conversion literal only? */
7375 descr
->pos
= 0; /* Assume "natural" positioning */
7377 descr
->pos
= -1; /* Okay, conversion will not be assigned */
7380 fmtObj
->convCount
++; /* Otherwise count as assign-conversion */
7381 /* Check if next token is a number (could be width or pos */
7382 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7384 /* Was the number a XPG3 position specifier? */
7385 if (descr
->pos
!= -1 && *fmt
== '$') {
7390 /* Look if "natural" postioning and XPG3 one was mixed */
7391 if ((lastPos
== 0 && descr
->pos
> 0)
7392 || (lastPos
> 0 && descr
->pos
== 0)) {
7393 fmtObj
->error
= "cannot mix \"%\" and \"%n$\" conversion specifiers";
7396 /* Look if this position was already used */
7397 for (prev
=0; prev
< curr
; ++prev
) {
7398 if (fmtObj
->descr
[prev
].pos
== -1) continue;
7399 if (fmtObj
->descr
[prev
].pos
== descr
->pos
) {
7400 fmtObj
->error
= "same \"%n$\" conversion specifier "
7401 "used more than once";
7405 /* Try to find a width after the XPG3 specifier */
7406 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7407 descr
->width
= width
;
7410 if (descr
->pos
> 0 && (size_t)descr
->pos
> fmtObj
->maxPos
)
7411 fmtObj
->maxPos
= descr
->pos
;
7413 /* Number was not a XPG3, so it has to be a width */
7414 descr
->width
= width
;
7417 /* If positioning mode was undetermined yet, fix this */
7419 lastPos
= descr
->pos
;
7420 /* Handle CHARSET conversion type ... */
7422 int swapped
= 1, beg
= i
, end
, j
;
7424 descr
->arg
= &buffer
[i
];
7426 if (*fmt
== '^') buffer
[i
++] = *fmt
++;
7427 if (*fmt
== ']') buffer
[i
++] = *fmt
++;
7428 while (*fmt
&& *fmt
!= ']') buffer
[i
++] = *fmt
++;
7430 fmtObj
->error
= "unmatched [ in format string";
7435 /* In case a range fence was given "backwards", swap it */
7438 for (j
=beg
+1; j
< end
-1; ++j
) {
7439 if (buffer
[j
] == '-' && buffer
[j
-1] > buffer
[j
+1]) {
7440 char tmp
= buffer
[j
-1];
7441 buffer
[j
-1] = buffer
[j
+1];
7448 /* Remember any valid modifier if given */
7449 if (strchr("hlL", *fmt
) != 0)
7450 descr
->modifier
= tolower((int)*fmt
++);
7453 if (strchr("efgcsndoxui", *fmt
) == 0) {
7454 fmtObj
->error
= "bad scan conversion character";
7456 } else if (*fmt
== 'c' && descr
->width
!= 0) {
7457 fmtObj
->error
= "field width may not be specified in %c "
7460 } else if (*fmt
== 'u' && descr
->modifier
== 'l') {
7461 fmtObj
->error
= "unsigned wide not supported";
7468 if (fmtObj
->convCount
== 0) {
7469 fmtObj
->error
= "no any conversion specifier given";
7475 /* Some accessor macros to allow lowlevel access to fields of internal repr */
7477 #define FormatGetCnvCount(_fo_) \
7478 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->convCount
7479 #define FormatGetMaxPos(_fo_) \
7480 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->maxPos
7481 #define FormatGetError(_fo_) \
7482 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->error
7484 /* Some Bit testing/setting/cleaning routines. For now only used in handling
7485 * charsets ([a-z123]) within scanning. Later on perhaps a base for a
7486 * bitvector implementation in Jim? */
7488 static int JimTestBit(const char *bitvec
, char ch
)
7490 div_t pos
= div(ch
-1, 8);
7491 return bitvec
[pos
.quot
] & (1 << pos
.rem
);
7494 static void JimSetBit(char *bitvec
, char ch
)
7496 div_t pos
= div(ch
-1, 8);
7497 bitvec
[pos
.quot
] |= (1 << pos
.rem
);
7500 #if 0 /* currently not used */
7501 static void JimClearBit(char *bitvec
, char ch
)
7503 div_t pos
= div(ch
-1, 8);
7504 bitvec
[pos
.quot
] &= ~(1 << pos
.rem
);
7508 /* JimScanAString is used to scan an unspecified string that ends with
7509 * next WS, or a string that is specified via a charset. The charset
7510 * is currently implemented in a way to only allow for usage with
7511 * ASCII. Whenever we will switch to UNICODE, another idea has to
7514 * FIXME: Works only with ASCII */
7517 JimScanAString(Jim_Interp
*interp
, const char *sdescr
, const char *str
)
7521 char charset
[256/8+1]; /* A Charset may contain max 256 chars */
7522 char *buffer
= Jim_Alloc(strlen(str
)+1), *anchor
= buffer
;
7524 /* First init charset to nothing or all, depending if a specified
7525 * or an unspecified string has to be parsed */
7526 memset(charset
, (sdescr
? 0 : 255), sizeof(charset
));
7528 /* There was a set description given, that means we are parsing
7529 * a specified string. So we have to build a corresponding
7530 * charset reflecting the description */
7532 /* Should the set be negated at the end? */
7533 if (*sdescr
== '^') {
7537 /* Here '-' is meant literally and not to define a range */
7538 if (*sdescr
== '-') {
7539 JimSetBit(charset
, '-');
7543 if (sdescr
[1] == '-' && sdescr
[2] != 0) {
7544 /* Handle range definitions */
7546 for (i
=sdescr
[0]; i
<= sdescr
[2]; ++i
)
7547 JimSetBit(charset
, (char)i
);
7550 /* Handle verbatim character definitions */
7551 JimSetBit(charset
, *sdescr
++);
7554 /* Negate the charset if there was a NOT given */
7555 for (i
=0; notFlag
&& i
< sizeof(charset
); ++i
)
7556 charset
[i
] = ~charset
[i
];
7558 /* And after all the mess above, the real work begin ... */
7559 while (str
&& *str
) {
7560 if (!sdescr
&& isspace((int)*str
))
7561 break; /* EOS via WS if unspecified */
7562 if (JimTestBit(charset
, *str
)) *buffer
++ = *str
++;
7563 else break; /* EOS via mismatch if specified scanning */
7565 *buffer
= 0; /* Close the string properly ... */
7566 result
= Jim_NewStringObj(interp
, anchor
, -1);
7567 Jim_Free(anchor
); /* ... and free it afer usage */
7571 /* ScanOneEntry will scan one entry out of the string passed as argument.
7572 * It use the sscanf() function for this task. After extracting and
7573 * converting of the value, the count of scanned characters will be
7574 * returned of -1 in case of no conversion tool place and string was
7575 * already scanned thru */
7577 static int ScanOneEntry(Jim_Interp
*interp
, const char *str
, long pos
,
7578 ScanFmtStringObj
*fmtObj
, long index
, Jim_Obj
**valObjPtr
)
7580 # define MAX_SIZE (sizeof(jim_wide) > sizeof(double) \
7581 ? sizeof(jim_wide) \
7583 char buffer
[MAX_SIZE
];
7584 char *value
= buffer
;
7586 const ScanFmtPartDescr
*descr
= &fmtObj
->descr
[index
];
7587 size_t sLen
= strlen(&str
[pos
]), scanned
= 0;
7588 size_t anchor
= pos
;
7591 /* First pessimiticly assume, we will not scan anything :-) */
7593 if (descr
->prefix
) {
7594 /* There was a prefix given before the conversion, skip it and adjust
7595 * the string-to-be-parsed accordingly */
7596 for (i
=0; str
[pos
] && descr
->prefix
[i
]; ++i
) {
7597 /* If prefix require, skip WS */
7598 if (isspace((int)descr
->prefix
[i
]))
7599 while (str
[pos
] && isspace((int)str
[pos
])) ++pos
;
7600 else if (descr
->prefix
[i
] != str
[pos
])
7601 break; /* Prefix do not match here, leave the loop */
7603 ++pos
; /* Prefix matched so far, next round */
7606 return -1; /* All of str consumed: EOF condition */
7607 else if (descr
->prefix
[i
] != 0)
7608 return 0; /* Not whole prefix consumed, no conversion possible */
7610 /* For all but following conversion, skip leading WS */
7611 if (descr
->type
!= 'c' && descr
->type
!= '[' && descr
->type
!= 'n')
7612 while (isspace((int)str
[pos
])) ++pos
;
7613 /* Determine how much skipped/scanned so far */
7614 scanned
= pos
- anchor
;
7615 if (descr
->type
== 'n') {
7616 /* Return pseudo conversion means: how much scanned so far? */
7617 *valObjPtr
= Jim_NewIntObj(interp
, anchor
+ scanned
);
7618 } else if (str
[pos
] == 0) {
7619 /* Cannot scan anything, as str is totally consumed */
7622 /* Processing of conversions follows ... */
7623 if (descr
->width
> 0) {
7624 /* Do not try to scan as fas as possible but only the given width.
7625 * To ensure this, we copy the part that should be scanned. */
7626 size_t tLen
= descr
->width
> sLen
? sLen
: descr
->width
;
7627 tok
= Jim_StrDupLen(&str
[pos
], tLen
);
7629 /* As no width was given, simply refer to the original string */
7632 switch (descr
->type
) {
7634 *valObjPtr
= Jim_NewIntObj(interp
, *tok
);
7637 case 'd': case 'o': case 'x': case 'u': case 'i': {
7640 char *endp
; /* Position where the number finished */
7641 int base
= descr
->type
== 'o' ? 8
7642 : descr
->type
== 'x' ? 16
7643 : descr
->type
== 'i' ? 0
7647 /* Try to scan a number with the given base */
7648 if (descr
->modifier
== 'l')
7650 #ifdef HAVE_LONG_LONG_INT
7651 jwvalue
= JimStrtoll(tok
, &endp
, base
),
7653 jwvalue
= strtol(tok
, &endp
, base
),
7655 memcpy(value
, &jwvalue
, sizeof(jim_wide
));
7659 if (descr
->type
== 'u')
7660 lvalue
= strtoul(tok
, &endp
, base
);
7662 lvalue
= strtol(tok
, &endp
, base
);
7663 memcpy(value
, &lvalue
, sizeof(lvalue
));
7665 /* If scanning failed, and base was undetermined, simply
7666 * put it to 10 and try once more. This should catch the
7667 * case where %i begin to parse a number prefix (e.g.
7668 * '0x' but no further digits follows. This will be
7669 * handled as a ZERO followed by a char 'x' by Tcl */
7670 if (endp
== tok
&& base
== 0) base
= 10;
7674 /* There was some number sucessfully scanned! */
7675 if (descr
->modifier
== 'l')
7676 *valObjPtr
= Jim_NewIntObj(interp
, jwvalue
);
7678 *valObjPtr
= Jim_NewIntObj(interp
, lvalue
);
7679 /* Adjust the number-of-chars scanned so far */
7680 scanned
+= endp
- tok
;
7682 /* Nothing was scanned. We have to determine if this
7683 * happened due to e.g. prefix mismatch or input str
7685 scanned
= *tok
? 0 : -1;
7689 case 's': case '[': {
7690 *valObjPtr
= JimScanAString(interp
, descr
->arg
, tok
);
7691 scanned
+= Jim_Length(*valObjPtr
);
7694 case 'e': case 'f': case 'g': {
7697 double dvalue
= strtod(tok
, &endp
);
7698 memcpy(value
, &dvalue
, sizeof(double));
7700 /* There was some number sucessfully scanned! */
7701 *valObjPtr
= Jim_NewDoubleObj(interp
, dvalue
);
7702 /* Adjust the number-of-chars scanned so far */
7703 scanned
+= endp
- tok
;
7705 /* Nothing was scanned. We have to determine if this
7706 * happened due to e.g. prefix mismatch or input str
7708 scanned
= *tok
? 0 : -1;
7713 /* If a substring was allocated (due to pre-defined width) do not
7714 * forget to free it */
7715 if (tok
!= &str
[pos
])
7716 Jim_Free((char*)tok
);
7721 /* Jim_ScanString is the workhorse of string scanning. It will scan a given
7722 * string and returns all converted (and not ignored) values in a list back
7723 * to the caller. If an error occured, a NULL pointer will be returned */
7725 Jim_Obj
*Jim_ScanString(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
,
7726 Jim_Obj
*fmtObjPtr
, int flags
)
7730 const char *str
= Jim_GetString(strObjPtr
, 0);
7731 Jim_Obj
*resultList
= 0;
7732 Jim_Obj
**resultVec
;
7734 Jim_Obj
*emptyStr
= 0;
7735 ScanFmtStringObj
*fmtObj
;
7737 /* If format specification is not an object, convert it! */
7738 if (fmtObjPtr
->typePtr
!= &scanFmtStringObjType
)
7739 SetScanFmtFromAny(interp
, fmtObjPtr
);
7740 fmtObj
= (ScanFmtStringObj
*)fmtObjPtr
->internalRep
.ptr
;
7741 /* Check if format specification was valid */
7742 if (fmtObj
->error
!= 0) {
7743 if (flags
& JIM_ERRMSG
)
7744 Jim_SetResultString(interp
, fmtObj
->error
, -1);
7747 /* Allocate a new "shared" empty string for all unassigned conversions */
7748 emptyStr
= Jim_NewEmptyStringObj(interp
);
7749 Jim_IncrRefCount(emptyStr
);
7750 /* Create a list and fill it with empty strings up to max specified XPG3 */
7751 resultList
= Jim_NewListObj(interp
, 0, 0);
7752 if (fmtObj
->maxPos
> 0) {
7753 for (i
=0; i
< fmtObj
->maxPos
; ++i
)
7754 Jim_ListAppendElement(interp
, resultList
, emptyStr
);
7755 JimListGetElements(interp
, resultList
, &resultc
, &resultVec
);
7757 /* Now handle every partial format description */
7758 for (i
=0, pos
=0; i
< fmtObj
->count
; ++i
) {
7759 ScanFmtPartDescr
*descr
= &(fmtObj
->descr
[i
]);
7761 /* Only last type may be "literal" w/o conversion - skip it! */
7762 if (descr
->type
== 0) continue;
7763 /* As long as any conversion could be done, we will proceed */
7765 scanned
= ScanOneEntry(interp
, str
, pos
, fmtObj
, i
, &value
);
7766 /* In case our first try results in EOF, we will leave */
7767 if (scanned
== -1 && i
== 0)
7769 /* Advance next pos-to-be-scanned for the amount scanned already */
7771 /* value == 0 means no conversion took place so take empty string */
7773 value
= Jim_NewEmptyStringObj(interp
);
7774 /* If value is a non-assignable one, skip it */
7775 if (descr
->pos
== -1) {
7776 Jim_FreeNewObj(interp
, value
);
7777 } else if (descr
->pos
== 0)
7778 /* Otherwise append it to the result list if no XPG3 was given */
7779 Jim_ListAppendElement(interp
, resultList
, value
);
7780 else if (resultVec
[descr
->pos
-1] == emptyStr
) {
7781 /* But due to given XPG3, put the value into the corr. slot */
7782 Jim_DecrRefCount(interp
, resultVec
[descr
->pos
-1]);
7783 Jim_IncrRefCount(value
);
7784 resultVec
[descr
->pos
-1] = value
;
7786 /* Otherwise, the slot was already used - free obj and ERROR */
7787 Jim_FreeNewObj(interp
, value
);
7791 Jim_DecrRefCount(interp
, emptyStr
);
7794 Jim_DecrRefCount(interp
, emptyStr
);
7795 Jim_FreeNewObj(interp
, resultList
);
7796 return (Jim_Obj
*)EOF
;
7798 Jim_DecrRefCount(interp
, emptyStr
);
7799 Jim_FreeNewObj(interp
, resultList
);
7803 /* -----------------------------------------------------------------------------
7804 * Pseudo Random Number Generation
7805 * ---------------------------------------------------------------------------*/
7806 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7809 /* Initialize the sbox with the numbers from 0 to 255 */
7810 static void JimPrngInit(Jim_Interp
*interp
)
7813 unsigned int seed
[256];
7815 interp
->prngState
= Jim_Alloc(sizeof(Jim_PrngState
));
7816 for (i
= 0; i
< 256; i
++)
7817 seed
[i
] = (rand() ^ time(NULL
) ^ clock());
7818 JimPrngSeed(interp
, (unsigned char*) seed
, sizeof(int)*256);
7821 /* Generates N bytes of random data */
7822 static void JimRandomBytes(Jim_Interp
*interp
, void *dest
, unsigned int len
)
7824 Jim_PrngState
*prng
;
7825 unsigned char *destByte
= (unsigned char*) dest
;
7826 unsigned int si
, sj
, x
;
7828 /* initialization, only needed the first time */
7829 if (interp
->prngState
== NULL
)
7830 JimPrngInit(interp
);
7831 prng
= interp
->prngState
;
7832 /* generates 'len' bytes of pseudo-random numbers */
7833 for (x
= 0; x
< len
; x
++) {
7834 prng
->i
= (prng
->i
+1) & 0xff;
7835 si
= prng
->sbox
[prng
->i
];
7836 prng
->j
= (prng
->j
+ si
) & 0xff;
7837 sj
= prng
->sbox
[prng
->j
];
7838 prng
->sbox
[prng
->i
] = sj
;
7839 prng
->sbox
[prng
->j
] = si
;
7840 *destByte
++ = prng
->sbox
[(si
+sj
)&0xff];
7844 /* Re-seed the generator with user-provided bytes */
7845 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7849 unsigned char buf
[256];
7850 Jim_PrngState
*prng
;
7852 /* initialization, only needed the first time */
7853 if (interp
->prngState
== NULL
)
7854 JimPrngInit(interp
);
7855 prng
= interp
->prngState
;
7857 /* Set the sbox[i] with i */
7858 for (i
= 0; i
< 256; i
++)
7860 /* Now use the seed to perform a random permutation of the sbox */
7861 for (i
= 0; i
< seedLen
; i
++) {
7864 t
= prng
->sbox
[i
&0xFF];
7865 prng
->sbox
[i
&0xFF] = prng
->sbox
[seed
[i
]];
7866 prng
->sbox
[seed
[i
]] = t
;
7868 prng
->i
= prng
->j
= 0;
7869 /* discard the first 256 bytes of stream. */
7870 JimRandomBytes(interp
, buf
, 256);
7873 /* -----------------------------------------------------------------------------
7874 * Dynamic libraries support (WIN32 not supported)
7875 * ---------------------------------------------------------------------------*/
7880 void * dlopen(const char *path
, int mode
)
7884 return (void *)LoadLibraryA(path
);
7886 int dlclose(void *handle
)
7888 FreeLibrary((HANDLE
)handle
);
7891 void *dlsym(void *handle
, const char *symbol
)
7893 return GetProcAddress((HMODULE
)handle
, symbol
);
7895 static char win32_dlerror_string
[121];
7896 const char *dlerror(void)
7898 FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM
, NULL
, GetLastError(),
7899 LANG_NEUTRAL
, win32_dlerror_string
, 120, NULL
);
7900 return win32_dlerror_string
;
7904 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7906 Jim_Obj
*libPathObjPtr
;
7909 int (*onload
)(Jim_Interp
*interp
);
7911 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
7912 if (libPathObjPtr
== NULL
) {
7914 libPathObjPtr
= NULL
;
7916 Jim_IncrRefCount(libPathObjPtr
);
7917 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
7920 for (i
= -1; i
< prefixc
; i
++) {
7922 handle
= dlopen(pathName
, RTLD_LAZY
);
7925 char buf
[JIM_PATH_LEN
];
7928 Jim_Obj
*prefixObjPtr
;
7931 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
7932 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
7934 prefix
= Jim_GetString(prefixObjPtr
, &prefixlen
);
7935 if (prefixlen
+strlen(pathName
)+1 >= JIM_PATH_LEN
)
7937 if (*pathName
== '/') {
7938 strcpy(buf
, pathName
);
7940 else if (prefixlen
&& prefix
[prefixlen
-1] == '/')
7941 sprintf(buf
, "%s%s", prefix
, pathName
);
7943 sprintf(buf
, "%s/%s", prefix
, pathName
);
7944 fp
= fopen(buf
, "r");
7948 handle
= dlopen(buf
, RTLD_LAZY
);
7950 if (handle
== NULL
) {
7951 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7952 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7953 "error loading extension \"", pathName
,
7954 "\": ", dlerror(), NULL
);
7959 if ((onload
= dlsym(handle
, "Jim_OnLoad")) == NULL
) {
7960 Jim_SetResultString(interp
,
7961 "No Jim_OnLoad symbol found on extension", -1);
7964 if (onload(interp
) == JIM_ERR
) {
7968 Jim_SetEmptyResult(interp
);
7969 if (libPathObjPtr
!= NULL
)
7970 Jim_DecrRefCount(interp
, libPathObjPtr
);
7974 if (libPathObjPtr
!= NULL
)
7975 Jim_DecrRefCount(interp
, libPathObjPtr
);
7978 #else /* JIM_DYNLIB */
7979 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7981 JIM_NOTUSED(interp
);
7982 JIM_NOTUSED(pathName
);
7984 Jim_SetResultString(interp
, "the Jim binary has no support for [load]", -1);
7987 #endif/* JIM_DYNLIB */
7989 /* -----------------------------------------------------------------------------
7991 * ---------------------------------------------------------------------------*/
7993 #define JIM_PKG_ANY_VERSION -1
7995 /* Convert a string of the type "1.2" into an integer.
7996 * MAJOR.MINOR is converted as MAJOR*100+MINOR, so "1.2" is converted
7997 * to the integer with value 102 */
7998 static int JimPackageVersionToInt(Jim_Interp
*interp
, const char *v
,
7999 int *intPtr
, int flags
)
8002 jim_wide major
, minor
;
8003 char *majorStr
, *minorStr
, *p
;
8006 *intPtr
= JIM_PKG_ANY_VERSION
;
8010 copy
= Jim_StrDup(v
);
8011 p
= strchr(copy
, '.');
8012 if (p
== NULL
) goto badfmt
;
8017 if (Jim_StringToWide(majorStr
, &major
, 10) != JIM_OK
||
8018 Jim_StringToWide(minorStr
, &minor
, 10) != JIM_OK
)
8020 *intPtr
= (int)(major
*100+minor
);
8026 if (flags
& JIM_ERRMSG
) {
8027 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8028 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8029 "invalid package version '", v
, "'", NULL
);
8034 #define JIM_MATCHVER_EXACT (1<<JIM_PRIV_FLAG_SHIFT)
8035 static int JimPackageMatchVersion(int needed
, int actual
, int flags
)
8037 if (needed
== JIM_PKG_ANY_VERSION
) return 1;
8038 if (flags
& JIM_MATCHVER_EXACT
) {
8039 return needed
== actual
;
8041 return needed
/100 == actual
/100 && (needed
<= actual
);
8045 int Jim_PackageProvide(Jim_Interp
*interp
, const char *name
, const char *ver
,
8049 /* Check if the version format is ok */
8050 if (JimPackageVersionToInt(interp
, ver
, &intVersion
, JIM_ERRMSG
) != JIM_OK
)
8052 /* If the package was already provided returns an error. */
8053 if (Jim_FindHashEntry(&interp
->packages
, name
) != NULL
) {
8054 if (flags
& JIM_ERRMSG
) {
8055 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8056 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8057 "package '", name
, "' was already provided", NULL
);
8061 Jim_AddHashEntry(&interp
->packages
, name
, (char*) ver
);
8068 # include <sys/types.h>
8069 # include <dirent.h>
8072 /* Posix dirent.h compatiblity layer for WIN32.
8073 * Copyright Kevlin Henney, 1997, 2003. All rights reserved.
8074 * Copyright Salvatore Sanfilippo ,2005.
8076 * Permission to use, copy, modify, and distribute this software and its
8077 * documentation for any purpose is hereby granted without fee, provided
8078 * that this copyright and permissions notice appear in all copies and
8081 * This software is supplied "as is" without express or implied warranty.
8082 * This software was modified by Salvatore Sanfilippo for the Jim Interpreter.
8089 typedef struct DIR {
8090 long handle
; /* -1 for failed rewind */
8091 struct _finddata_t info
;
8092 struct dirent result
; /* d_name null iff first time */
8093 char *name
; /* null-terminated char string */
8096 DIR *opendir(const char *name
)
8100 if(name
&& name
[0]) {
8101 size_t base_length
= strlen(name
);
8102 const char *all
= /* search pattern must end with suitable wildcard */
8103 strchr("/\\", name
[base_length
- 1]) ? "*" : "/*";
8105 if((dir
= (DIR *) Jim_Alloc(sizeof *dir
)) != 0 &&
8106 (dir
->name
= (char *) Jim_Alloc(base_length
+ strlen(all
) + 1)) != 0)
8108 strcat(strcpy(dir
->name
, name
), all
);
8110 if((dir
->handle
= (long) _findfirst(dir
->name
, &dir
->info
)) != -1)
8111 dir
->result
.d_name
= 0;
8112 else { /* rollback */
8113 Jim_Free(dir
->name
);
8117 } else { /* rollback */
8128 int closedir(DIR *dir
)
8133 if(dir
->handle
!= -1)
8134 result
= _findclose(dir
->handle
);
8135 Jim_Free(dir
->name
);
8138 if(result
== -1) /* map all errors to EBADF */
8143 struct dirent
*readdir(DIR *dir
)
8145 struct dirent
*result
= 0;
8147 if(dir
&& dir
->handle
!= -1) {
8148 if(!dir
->result
.d_name
|| _findnext(dir
->handle
, &dir
->info
) != -1) {
8149 result
= &dir
->result
;
8150 result
->d_name
= dir
->info
.name
;
8160 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8161 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8163 int bestVer
= -1, i
;
8164 int pkgNameLen
= strlen(pkgName
);
8165 char *bestPackage
= NULL
;
8168 for (i
= 0; i
< prefixc
; i
++) {
8170 char buf
[JIM_PATH_LEN
];
8173 if (prefixes
[i
] == NULL
) continue;
8174 strncpy(buf
, prefixes
[i
], JIM_PATH_LEN
);
8175 buf
[JIM_PATH_LEN
-1] = '\0';
8176 prefixLen
= strlen(buf
);
8177 if (prefixLen
&& buf
[prefixLen
-1] == '/')
8178 buf
[prefixLen
-1] = '\0';
8180 if ((dir
= opendir(buf
)) == NULL
) continue;
8181 while ((de
= readdir(dir
)) != NULL
) {
8182 char *fileName
= de
->d_name
;
8183 int fileNameLen
= strlen(fileName
);
8185 if (strncmp(fileName
, "jim-", 4) == 0 &&
8186 strncmp(fileName
+4, pkgName
, pkgNameLen
) == 0 &&
8187 *(fileName
+4+pkgNameLen
) == '-' &&
8188 fileNameLen
> 4 && /* note that this is not really useful */
8189 (strncmp(fileName
+fileNameLen
-4, ".tcl", 4) == 0 ||
8190 strncmp(fileName
+fileNameLen
-4, ".dll", 4) == 0 ||
8191 strncmp(fileName
+fileNameLen
-3, ".so", 3) == 0))
8193 char ver
[6]; /* xx.yy<nulterm> */
8194 char *p
= strrchr(fileName
, '.');
8195 int verLen
, fileVer
;
8197 verLen
= p
- (fileName
+4+pkgNameLen
+1);
8198 if (verLen
< 3 || verLen
> 5) continue;
8199 memcpy(ver
, fileName
+4+pkgNameLen
+1, verLen
);
8201 if (JimPackageVersionToInt(interp
, ver
, &fileVer
, JIM_NONE
)
8202 != JIM_OK
) continue;
8203 if (JimPackageMatchVersion(pkgVer
, fileVer
, flags
) &&
8204 (bestVer
== -1 || bestVer
< fileVer
))
8207 Jim_Free(bestPackage
);
8208 bestPackage
= Jim_Alloc(strlen(buf
)+strlen(fileName
)+2);
8209 sprintf(bestPackage
, "%s/%s", buf
, fileName
);
8218 #else /* JIM_ANSIC */
8220 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8221 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8223 JIM_NOTUSED(interp
);
8224 JIM_NOTUSED(prefixes
);
8225 JIM_NOTUSED(prefixc
);
8226 JIM_NOTUSED(pkgName
);
8227 JIM_NOTUSED(pkgVer
);
8232 #endif /* JIM_ANSIC */
8234 /* Search for a suitable package under every dir specified by jim_libpath
8235 * and load it if possible. If a suitable package was loaded with success
8236 * JIM_OK is returned, otherwise JIM_ERR is returned. */
8237 static int JimLoadPackage(Jim_Interp
*interp
, const char *name
, int ver
,
8240 Jim_Obj
*libPathObjPtr
;
8241 char **prefixes
, *best
;
8242 int prefixc
, i
, retCode
= JIM_OK
;
8244 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
8245 if (libPathObjPtr
== NULL
) {
8247 libPathObjPtr
= NULL
;
8249 Jim_IncrRefCount(libPathObjPtr
);
8250 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
8253 prefixes
= Jim_Alloc(sizeof(char*)*prefixc
);
8254 for (i
= 0; i
< prefixc
; i
++) {
8255 Jim_Obj
*prefixObjPtr
;
8256 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
8257 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
8262 prefixes
[i
] = Jim_StrDup(Jim_GetString(prefixObjPtr
, NULL
));
8264 /* Scan every directory to find the "best" package. */
8265 best
= JimFindBestPackage(interp
, prefixes
, prefixc
, name
, ver
, flags
);
8267 char *p
= strrchr(best
, '.');
8268 /* Try to load/source it */
8269 if (p
&& strcmp(p
, ".tcl") == 0) {
8270 retCode
= Jim_EvalFile(interp
, best
);
8272 retCode
= Jim_LoadLibrary(interp
, best
);
8278 for (i
= 0; i
< prefixc
; i
++)
8279 Jim_Free(prefixes
[i
]);
8282 Jim_DecrRefCount(interp
, libPathObjPtr
);
8286 const char *Jim_PackageRequire(Jim_Interp
*interp
, const char *name
,
8287 const char *ver
, int flags
)
8292 /* Start with an empty error string */
8293 Jim_SetResultString(interp
, "", 0);
8295 if (JimPackageVersionToInt(interp
, ver
, &requiredVer
, JIM_ERRMSG
) != JIM_OK
)
8297 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8299 /* Try to load the package. */
8300 if (JimLoadPackage(interp
, name
, requiredVer
, flags
) == JIM_OK
) {
8301 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8307 /* No way... return an error. */
8308 if (flags
& JIM_ERRMSG
) {
8310 Jim_GetString(Jim_GetResult(interp
), &len
);
8311 Jim_AppendStrings(interp
, Jim_GetResult(interp
), len
? "\n" : "",
8312 "Can't find package '", name
, "'", NULL
);
8317 if (JimPackageVersionToInt(interp
, he
->val
, &actualVer
, JIM_ERRMSG
)
8322 /* Check if version matches. */
8323 if (JimPackageMatchVersion(requiredVer
, actualVer
, flags
) == 0) {
8324 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8325 "Package '", name
, "' already loaded, but with version ",
8333 /* -----------------------------------------------------------------------------
8335 * ---------------------------------------------------------------------------*/
8336 #define JIM_EVAL_SARGV_LEN 8 /* static arguments vector length */
8337 #define JIM_EVAL_SINTV_LEN 8 /* static interpolation vector length */
8339 static int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8340 Jim_Obj
*const *argv
);
8342 /* Handle calls to the [unknown] command */
8343 static int JimUnknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
8345 Jim_Obj
**v
, *sv
[JIM_EVAL_SARGV_LEN
];
8348 /* If JimUnknown() is recursively called (e.g. error in the unknown proc,
8351 if (interp
->unknown_called
) {
8355 /* If the [unknown] command does not exists returns
8357 if (Jim_GetCommand(interp
, interp
->unknown
, JIM_NONE
) == NULL
)
8360 /* The object interp->unknown just contains
8361 * the "unknown" string, it is used in order to
8362 * avoid to lookup the unknown command every time
8363 * but instread to cache the result. */
8364 if (argc
+1 <= JIM_EVAL_SARGV_LEN
)
8367 v
= Jim_Alloc(sizeof(Jim_Obj
*)*(argc
+1));
8368 /* Make a copy of the arguments vector, but shifted on
8369 * the right of one position. The command name of the
8370 * command will be instead the first argument of the
8371 * [unknonw] call. */
8372 memcpy(v
+1, argv
, sizeof(Jim_Obj
*)*argc
);
8373 v
[0] = interp
->unknown
;
8375 interp
->unknown_called
++;
8376 retCode
= Jim_EvalObjVector(interp
, argc
+1, v
);
8377 interp
->unknown_called
--;
8385 /* Eval the object vector 'objv' composed of 'objc' elements.
8386 * Every element is used as single argument.
8387 * Jim_EvalObj() will call this function every time its object
8388 * argument is of "list" type, with no string representation.
8390 * This is possible because the string representation of a
8391 * list object generated by the UpdateStringOfList is made
8392 * in a way that ensures that every list element is a different
8393 * command argument. */
8394 int Jim_EvalObjVector(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
8399 /* Incr refcount of arguments. */
8400 for (i
= 0; i
< objc
; i
++)
8401 Jim_IncrRefCount(objv
[i
]);
8402 /* Command lookup */
8403 cmdPtr
= Jim_GetCommand(interp
, objv
[0], JIM_ERRMSG
);
8404 if (cmdPtr
== NULL
) {
8405 retcode
= JimUnknown(interp
, objc
, objv
);
8407 /* Call it -- Make sure result is an empty object. */
8408 Jim_SetEmptyResult(interp
);
8409 if (cmdPtr
->cmdProc
) {
8410 interp
->cmdPrivData
= cmdPtr
->privData
;
8411 retcode
= cmdPtr
->cmdProc(interp
, objc
, objv
);
8412 if (retcode
== JIM_ERR_ADDSTACK
) {
8413 //JimAppendStackTrace(interp, "", script->fileName, token[i-argc*2].linenr);
8417 retcode
= JimCallProcedure(interp
, cmdPtr
, objc
, objv
);
8418 if (retcode
== JIM_ERR
) {
8419 JimAppendStackTrace(interp
,
8420 Jim_GetString(objv
[0], NULL
), "", 1);
8424 /* Decr refcount of arguments and return the retcode */
8425 for (i
= 0; i
< objc
; i
++)
8426 Jim_DecrRefCount(interp
, objv
[i
]);
8430 /* Interpolate the given tokens into a unique Jim_Obj returned by reference
8431 * via *objPtrPtr. This function is only called by Jim_EvalObj().
8432 * The returned object has refcount = 0. */
8433 int Jim_InterpolateTokens(Jim_Interp
*interp
, ScriptToken
*token
,
8434 int tokens
, Jim_Obj
**objPtrPtr
)
8436 int totlen
= 0, i
, retcode
;
8438 Jim_Obj
*sintv
[JIM_EVAL_SINTV_LEN
];
8442 if (tokens
<= JIM_EVAL_SINTV_LEN
)
8445 intv
= Jim_Alloc(sizeof(Jim_Obj
*)*
8447 /* Compute every token forming the argument
8448 * in the intv objects vector. */
8449 for (i
= 0; i
< tokens
; i
++) {
8450 switch(token
[i
].type
) {
8453 intv
[i
] = token
[i
].objPtr
;
8456 intv
[i
] = Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
8462 case JIM_TT_DICTSUGAR
:
8463 intv
[i
] = Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8470 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8471 if (retcode
!= JIM_OK
)
8473 intv
[i
] = Jim_GetResult(interp
);
8477 "default token type reached "
8478 "in Jim_InterpolateTokens().");
8481 Jim_IncrRefCount(intv
[i
]);
8482 /* Make sure there is a valid
8483 * string rep, and add the string
8484 * length to the total legnth. */
8485 Jim_GetString(intv
[i
], NULL
);
8486 totlen
+= intv
[i
]->length
;
8488 /* Concatenate every token in an unique
8490 objPtr
= Jim_NewStringObjNoAlloc(interp
,
8492 s
= objPtr
->bytes
= Jim_Alloc(totlen
+1);
8493 objPtr
->length
= totlen
;
8494 for (i
= 0; i
< tokens
; i
++) {
8495 memcpy(s
, intv
[i
]->bytes
, intv
[i
]->length
);
8496 s
+= intv
[i
]->length
;
8497 Jim_DecrRefCount(interp
, intv
[i
]);
8499 objPtr
->bytes
[totlen
] = '\0';
8500 /* Free the intv vector if not static. */
8501 if (tokens
> JIM_EVAL_SINTV_LEN
)
8503 *objPtrPtr
= objPtr
;
8508 Jim_DecrRefCount(interp
, intv
[i
]);
8509 if (tokens
> JIM_EVAL_SINTV_LEN
)
8514 /* Helper of Jim_EvalObj() to perform argument expansion.
8515 * Basically this function append an argument to 'argv'
8516 * (and increments argc by reference accordingly), performing
8517 * expansion of the list object if 'expand' is non-zero, or
8518 * just adding objPtr to argv if 'expand' is zero. */
8519 void Jim_ExpandArgument(Jim_Interp
*interp
, Jim_Obj
***argv
,
8520 int *argcPtr
, int expand
, Jim_Obj
*objPtr
)
8523 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+1));
8524 /* refcount of objPtr not incremented because
8525 * we are actually transfering a reference from
8526 * the old 'argv' to the expanded one. */
8527 (*argv
)[*argcPtr
] = objPtr
;
8532 Jim_ListLength(interp
, objPtr
, &len
);
8533 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+len
));
8534 for (i
= 0; i
< len
; i
++) {
8535 (*argv
)[*argcPtr
] = objPtr
->internalRep
.listValue
.ele
[i
];
8536 Jim_IncrRefCount(objPtr
->internalRep
.listValue
.ele
[i
]);
8539 /* The original object reference is no longer needed,
8540 * after the expansion it is no longer present on
8541 * the argument vector, but the single elements are
8543 Jim_DecrRefCount(interp
, objPtr
);
8547 int Jim_EvalObj(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8552 int *cs
; /* command structure array */
8553 int retcode
= JIM_OK
;
8554 Jim_Obj
*sargv
[JIM_EVAL_SARGV_LEN
], **argv
= NULL
, *tmpObjPtr
;
8556 interp
->errorFlag
= 0;
8558 /* If the object is of type "list" and there is no
8559 * string representation for this object, we can call
8560 * a specialized version of Jim_EvalObj() */
8561 if (scriptObjPtr
->typePtr
== &listObjType
&&
8562 scriptObjPtr
->internalRep
.listValue
.len
&&
8563 scriptObjPtr
->bytes
== NULL
) {
8564 Jim_IncrRefCount(scriptObjPtr
);
8565 retcode
= Jim_EvalObjVector(interp
,
8566 scriptObjPtr
->internalRep
.listValue
.len
,
8567 scriptObjPtr
->internalRep
.listValue
.ele
);
8568 Jim_DecrRefCount(interp
, scriptObjPtr
);
8572 Jim_IncrRefCount(scriptObjPtr
); /* Make sure it's shared. */
8573 script
= Jim_GetScript(interp
, scriptObjPtr
);
8574 /* Now we have to make sure the internal repr will not be
8575 * freed on shimmering.
8577 * Think for example to this:
8579 * set x {llength $x; ... some more code ...}; eval $x
8581 * In order to preserve the internal rep, we increment the
8582 * inUse field of the script internal rep structure. */
8585 token
= script
->token
;
8587 cs
= script
->cmdStruct
;
8588 i
= 0; /* 'i' is the current token index. */
8590 /* Reset the interpreter result. This is useful to
8591 * return the emtpy result in the case of empty program. */
8592 Jim_SetEmptyResult(interp
);
8594 /* Execute every command sequentially, returns on
8595 * error (i.e. if a command does not return JIM_OK) */
8598 int argc
= *cs
++; /* Get the number of arguments */
8601 /* Set the expand flag if needed. */
8606 /* Allocate the arguments vector */
8607 if (argc
<= JIM_EVAL_SARGV_LEN
)
8610 argv
= Jim_Alloc(sizeof(Jim_Obj
*)*argc
);
8611 /* Populate the arguments objects. */
8612 for (j
= 0; j
< argc
; j
++) {
8615 /* tokens is negative if expansion is needed.
8616 * for this argument. */
8618 tokens
= (-tokens
)-1;
8622 /* Fast path if the token does not
8623 * need interpolation */
8624 switch(token
[i
].type
) {
8627 argv
[j
] = token
[i
].objPtr
;
8630 tmpObjPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
,
8636 argv
[j
] = tmpObjPtr
;
8638 case JIM_TT_DICTSUGAR
:
8639 tmpObjPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8644 argv
[j
] = tmpObjPtr
;
8647 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8648 if (retcode
!= JIM_OK
)
8650 argv
[j
] = Jim_GetResult(interp
);
8654 "default token type reached "
8655 "in Jim_EvalObj().");
8658 Jim_IncrRefCount(argv
[j
]);
8661 /* For interpolation we call an helper
8662 * function doing the work for us. */
8663 if ((retcode
= Jim_InterpolateTokens(interp
,
8664 token
+i
, tokens
, &tmpObjPtr
)) != JIM_OK
)
8668 argv
[j
] = tmpObjPtr
;
8669 Jim_IncrRefCount(argv
[j
]);
8673 /* Handle {expand} expansion */
8675 int *ecs
= cs
- argc
;
8677 Jim_Obj
**eargv
= NULL
;
8679 for (j
= 0; j
< argc
; j
++) {
8680 Jim_ExpandArgument( interp
, &eargv
, &eargc
,
8681 ecs
[j
] < 0, argv
[j
]);
8689 /* Nothing to do with zero args. */
8694 /* Lookup the command to call */
8695 cmd
= Jim_GetCommand(interp
, argv
[0], JIM_ERRMSG
);
8697 /* Call it -- Make sure result is an empty object. */
8698 Jim_SetEmptyResult(interp
);
8700 interp
->cmdPrivData
= cmd
->privData
;
8701 retcode
= cmd
->cmdProc(interp
, argc
, argv
);
8702 if ((retcode
== JIM_ERR
)||(retcode
== JIM_ERR_ADDSTACK
)) {
8703 JimAppendStackTrace(interp
, "", script
->fileName
, token
[i
-argc
*2].linenr
);
8707 retcode
= JimCallProcedure(interp
, cmd
, argc
, argv
);
8708 if (retcode
== JIM_ERR
) {
8709 JimAppendStackTrace(interp
,
8710 Jim_GetString(argv
[0], NULL
), script
->fileName
,
8711 token
[i
-argc
*2].linenr
);
8715 /* Call [unknown] */
8716 retcode
= JimUnknown(interp
, argc
, argv
);
8717 if (retcode
== JIM_ERR
) {
8718 JimAppendStackTrace(interp
,
8719 "", script
->fileName
,
8720 token
[i
-argc
*2].linenr
);
8723 if (retcode
!= JIM_OK
) {
8724 i
-= argc
*2; /* point to the command name. */
8727 /* Decrement the arguments count */
8728 for (j
= 0; j
< argc
; j
++) {
8729 Jim_DecrRefCount(interp
, argv
[j
]);
8732 if (argv
!= sargv
) {
8737 /* Note that we don't have to decrement inUse, because the
8738 * following code transfers our use of the reference again to
8739 * the script object. */
8740 j
= 0; /* on normal termination, the argv array is already
8741 Jim_DecrRefCount-ed. */
8743 /* Handle errors. */
8744 if (retcode
== JIM_ERR
&& !interp
->errorFlag
) {
8745 interp
->errorFlag
= 1;
8746 JimSetErrorFileName(interp
, script
->fileName
);
8747 JimSetErrorLineNumber(interp
, token
[i
].linenr
);
8748 JimResetStackTrace(interp
);
8750 Jim_FreeIntRep(interp
, scriptObjPtr
);
8751 scriptObjPtr
->typePtr
= &scriptObjType
;
8752 Jim_SetIntRepPtr(scriptObjPtr
, script
);
8753 Jim_DecrRefCount(interp
, scriptObjPtr
);
8754 for (i
= 0; i
< j
; i
++) {
8755 Jim_DecrRefCount(interp
, argv
[i
]);
8762 /* Call a procedure implemented in Tcl.
8763 * It's possible to speed-up a lot this function, currently
8764 * the callframes are not cached, but allocated and
8765 * destroied every time. What is expecially costly is
8766 * to create/destroy the local vars hash table every time.
8768 * This can be fixed just implementing callframes caching
8769 * in JimCreateCallFrame() and JimFreeCallFrame(). */
8770 int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8771 Jim_Obj
*const *argv
)
8774 Jim_CallFrame
*callFramePtr
;
8778 if (argc
< cmd
->arityMin
|| (cmd
->arityMax
!= -1 &&
8779 argc
> cmd
->arityMax
)) {
8780 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
8781 Jim_AppendStrings(interp
, objPtr
,
8782 "wrong # args: should be \"", Jim_GetString(argv
[0], NULL
),
8783 (cmd
->arityMin
> 1) ? " " : "",
8784 Jim_GetString(cmd
->argListObjPtr
, NULL
), "\"", NULL
);
8785 Jim_SetResult(interp
, objPtr
);
8788 /* Check if there are too nested calls */
8789 if (interp
->numLevels
== interp
->maxNestingDepth
) {
8790 Jim_SetResultString(interp
,
8791 "Too many nested calls. Infinite recursion?", -1);
8794 /* Create a new callframe */
8795 callFramePtr
= JimCreateCallFrame(interp
);
8796 callFramePtr
->parentCallFrame
= interp
->framePtr
;
8797 callFramePtr
->argv
= argv
;
8798 callFramePtr
->argc
= argc
;
8799 callFramePtr
->procArgsObjPtr
= cmd
->argListObjPtr
;
8800 callFramePtr
->procBodyObjPtr
= cmd
->bodyObjPtr
;
8801 callFramePtr
->staticVars
= cmd
->staticVars
;
8802 Jim_IncrRefCount(cmd
->argListObjPtr
);
8803 Jim_IncrRefCount(cmd
->bodyObjPtr
);
8804 interp
->framePtr
= callFramePtr
;
8805 interp
->numLevels
++;
8808 Jim_ListLength(interp
, cmd
->argListObjPtr
, &num_args
);
8810 /* If last argument is 'args', don't set it here */
8811 if (cmd
->arityMax
== -1) {
8815 for (i
= 0; i
< num_args
; i
++) {
8817 Jim_Obj
*nameObjPtr
;
8818 Jim_Obj
*valueObjPtr
;
8820 Jim_ListIndex(interp
, cmd
->argListObjPtr
, i
, &argObjPtr
, JIM_NONE
);
8821 if (i
+ 1 >= cmd
->arityMin
) {
8822 /* The name is the first element of the list */
8823 Jim_ListIndex(interp
, argObjPtr
, 0, &nameObjPtr
, JIM_NONE
);
8826 /* The element arg is the name */
8827 nameObjPtr
= argObjPtr
;
8830 if (i
+ 1 >= argc
) {
8831 /* No more values, so use default */
8832 /* The value is the second element of the list */
8833 Jim_ListIndex(interp
, argObjPtr
, 1, &valueObjPtr
, JIM_NONE
);
8836 valueObjPtr
= argv
[i
+1];
8838 Jim_SetVariable(interp
, nameObjPtr
, valueObjPtr
);
8840 /* Set optional arguments */
8841 if (cmd
->arityMax
== -1) {
8842 Jim_Obj
*listObjPtr
, *objPtr
;
8845 listObjPtr
= Jim_NewListObj(interp
, argv
+i
, argc
-i
);
8846 Jim_ListIndex(interp
, cmd
->argListObjPtr
, num_args
, &objPtr
, JIM_NONE
);
8847 Jim_SetVariable(interp
, objPtr
, listObjPtr
);
8850 retcode
= Jim_EvalObj(interp
, cmd
->bodyObjPtr
);
8852 /* Destroy the callframe */
8853 interp
->numLevels
--;
8854 interp
->framePtr
= interp
->framePtr
->parentCallFrame
;
8855 if (callFramePtr
->vars
.size
!= JIM_HT_INITIAL_SIZE
) {
8856 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NONE
);
8858 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NOHT
);
8860 /* Handle the JIM_EVAL return code */
8861 if (retcode
== JIM_EVAL
&& interp
->evalRetcodeLevel
!= interp
->numLevels
) {
8862 int savedLevel
= interp
->evalRetcodeLevel
;
8864 interp
->evalRetcodeLevel
= interp
->numLevels
;
8865 while (retcode
== JIM_EVAL
) {
8866 Jim_Obj
*resultScriptObjPtr
= Jim_GetResult(interp
);
8867 Jim_IncrRefCount(resultScriptObjPtr
);
8868 retcode
= Jim_EvalObj(interp
, resultScriptObjPtr
);
8869 Jim_DecrRefCount(interp
, resultScriptObjPtr
);
8871 interp
->evalRetcodeLevel
= savedLevel
;
8873 /* Handle the JIM_RETURN return code */
8874 if (retcode
== JIM_RETURN
) {
8875 retcode
= interp
->returnCode
;
8876 interp
->returnCode
= JIM_OK
;
8881 int Jim_Eval_Named(Jim_Interp
*interp
, const char *script
, const char *filename
, int lineno
)
8884 Jim_Obj
*scriptObjPtr
;
8886 scriptObjPtr
= Jim_NewStringObj(interp
, script
, -1);
8887 Jim_IncrRefCount(scriptObjPtr
);
8891 JimSetSourceInfo( interp
, scriptObjPtr
, filename
, lineno
);
8894 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8895 Jim_DecrRefCount(interp
, scriptObjPtr
);
8899 int Jim_Eval(Jim_Interp
*interp
, const char *script
)
8901 return Jim_Eval_Named( interp
, script
, NULL
, 0 );
8906 /* Execute script in the scope of the global level */
8907 int Jim_EvalGlobal(Jim_Interp
*interp
, const char *script
)
8909 Jim_CallFrame
*savedFramePtr
;
8912 savedFramePtr
= interp
->framePtr
;
8913 interp
->framePtr
= interp
->topFramePtr
;
8914 retval
= Jim_Eval(interp
, script
);
8915 interp
->framePtr
= savedFramePtr
;
8919 int Jim_EvalObjBackground(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8921 Jim_CallFrame
*savedFramePtr
;
8924 savedFramePtr
= interp
->framePtr
;
8925 interp
->framePtr
= interp
->topFramePtr
;
8926 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8927 interp
->framePtr
= savedFramePtr
;
8928 /* Try to report the error (if any) via the bgerror proc */
8929 if (retval
!= JIM_OK
) {
8932 objv
[0] = Jim_NewStringObj(interp
, "bgerror", -1);
8933 objv
[1] = Jim_GetResult(interp
);
8934 Jim_IncrRefCount(objv
[0]);
8935 Jim_IncrRefCount(objv
[1]);
8936 if (Jim_EvalObjVector(interp
, 2, objv
) != JIM_OK
) {
8937 /* Report the error to stderr. */
8938 Jim_fprintf( interp
, interp
->cookie_stderr
, "Background error:" JIM_NL
);
8939 Jim_PrintErrorMessage(interp
);
8941 Jim_DecrRefCount(interp
, objv
[0]);
8942 Jim_DecrRefCount(interp
, objv
[1]);
8947 int Jim_EvalFile(Jim_Interp
*interp
, const char *filename
)
8951 int nread
, totread
, maxlen
, buflen
;
8953 Jim_Obj
*scriptObjPtr
;
8955 if ((fp
= fopen(filename
, "r")) == NULL
) {
8956 const int cwd_len
=2048;
8957 char *cwd
=malloc(cwd_len
);
8958 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8959 if (!getcwd( cwd
, cwd_len
)) strcpy(cwd
, "unknown");
8960 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8961 "Error loading script \"", filename
, "\"",
8963 " err: ", strerror(errno
), NULL
);
8968 maxlen
= totread
= 0;
8970 if (maxlen
< totread
+buflen
+1) {
8971 maxlen
= totread
+buflen
+1;
8972 prg
= Jim_Realloc(prg
, maxlen
);
8974 /* do not use Jim_fread() - this is really a file */
8975 if ((nread
= fread(prg
+totread
, 1, buflen
, fp
)) == 0) break;
8978 prg
[totread
] = '\0';
8979 /* do not use Jim_fclose() - this is really a file */
8982 scriptObjPtr
= Jim_NewStringObjNoAlloc(interp
, prg
, totread
);
8983 JimSetSourceInfo(interp
, scriptObjPtr
, filename
, 1);
8984 Jim_IncrRefCount(scriptObjPtr
);
8985 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8986 Jim_DecrRefCount(interp
, scriptObjPtr
);
8990 /* -----------------------------------------------------------------------------
8992 * ---------------------------------------------------------------------------*/
8993 static int JimParseSubstStr(struct JimParserCtx
*pc
)
8996 pc
->tline
= pc
->linenr
;
8997 while (*pc
->p
&& *pc
->p
!= '$' && *pc
->p
!= '[') {
9001 pc
->tt
= JIM_TT_ESC
;
9005 static int JimParseSubst(struct JimParserCtx
*pc
, int flags
)
9010 pc
->tstart
= pc
->tend
= pc
->p
;
9011 pc
->tline
= pc
->linenr
;
9012 pc
->tt
= JIM_TT_EOL
;
9018 retval
= JimParseCmd(pc
);
9019 if (flags
& JIM_SUBST_NOCMD
) {
9022 pc
->tt
= (flags
& JIM_SUBST_NOESC
) ?
9023 JIM_TT_STR
: JIM_TT_ESC
;
9028 if (JimParseVar(pc
) == JIM_ERR
) {
9029 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
9030 pc
->tline
= pc
->linenr
;
9031 pc
->tt
= JIM_TT_STR
;
9033 if (flags
& JIM_SUBST_NOVAR
) {
9035 if (flags
& JIM_SUBST_NOESC
)
9036 pc
->tt
= JIM_TT_STR
;
9038 pc
->tt
= JIM_TT_ESC
;
9039 if (*pc
->tstart
== '{') {
9048 retval
= JimParseSubstStr(pc
);
9049 if (flags
& JIM_SUBST_NOESC
)
9050 pc
->tt
= JIM_TT_STR
;
9057 /* The subst object type reuses most of the data structures and functions
9058 * of the script object. Script's data structures are a bit more complex
9059 * for what is needed for [subst]itution tasks, but the reuse helps to
9060 * deal with a single data structure at the cost of some more memory
9061 * usage for substitutions. */
9062 static Jim_ObjType substObjType
= {
9064 FreeScriptInternalRep
,
9065 DupScriptInternalRep
,
9067 JIM_TYPE_REFERENCES
,
9070 /* This method takes the string representation of an object
9071 * as a Tcl string where to perform [subst]itution, and generates
9072 * the pre-parsed internal representation. */
9073 int SetSubstFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
, int flags
)
9076 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
9077 struct JimParserCtx parser
;
9078 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
9082 script
->commands
= 0;
9083 script
->token
= NULL
;
9084 script
->cmdStruct
= NULL
;
9086 script
->substFlags
= flags
;
9087 script
->fileName
= NULL
;
9089 JimParserInit(&parser
, scriptText
, scriptTextLen
, 1);
9092 int len
, type
, linenr
;
9094 JimParseSubst(&parser
, flags
);
9095 if (JimParserEof(&parser
)) break;
9096 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
9097 ScriptObjAddToken(interp
, script
, token
, len
, type
,
9100 /* Free the old internal rep and set the new one. */
9101 Jim_FreeIntRep(interp
, objPtr
);
9102 Jim_SetIntRepPtr(objPtr
, script
);
9103 objPtr
->typePtr
= &scriptObjType
;
9107 ScriptObj
*Jim_GetSubst(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
9109 struct ScriptObj
*script
= Jim_GetIntRepPtr(objPtr
);
9111 if (objPtr
->typePtr
!= &substObjType
|| script
->substFlags
!= flags
)
9112 SetSubstFromAny(interp
, objPtr
, flags
);
9113 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
9116 /* Performs commands,variables,blackslashes substitution,
9117 * storing the result object (with refcount 0) into
9119 int Jim_SubstObj(Jim_Interp
*interp
, Jim_Obj
*substObjPtr
,
9120 Jim_Obj
**resObjPtrPtr
, int flags
)
9124 int i
, len
, retcode
= JIM_OK
;
9125 Jim_Obj
*resObjPtr
, *savedResultObjPtr
;
9127 script
= Jim_GetSubst(interp
, substObjPtr
, flags
);
9128 #ifdef JIM_OPTIMIZATION
9129 /* Fast path for a very common case with array-alike syntax,
9130 * that's: $foo($bar) */
9131 if (script
->len
== 1 && script
->token
[0].type
== JIM_TT_VAR
) {
9132 Jim_Obj
*varObjPtr
= script
->token
[0].objPtr
;
9134 Jim_IncrRefCount(varObjPtr
);
9135 resObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
9136 if (resObjPtr
== NULL
) {
9137 Jim_DecrRefCount(interp
, varObjPtr
);
9140 Jim_DecrRefCount(interp
, varObjPtr
);
9141 *resObjPtrPtr
= resObjPtr
;
9146 Jim_IncrRefCount(substObjPtr
); /* Make sure it's shared. */
9147 /* In order to preserve the internal rep, we increment the
9148 * inUse field of the script internal rep structure. */
9151 token
= script
->token
;
9154 /* Save the interp old result, to set it again before
9156 savedResultObjPtr
= interp
->result
;
9157 Jim_IncrRefCount(savedResultObjPtr
);
9159 /* Perform the substitution. Starts with an empty object
9160 * and adds every token (performing the appropriate
9161 * var/command/escape substitution). */
9162 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
9163 for (i
= 0; i
< len
; i
++) {
9166 switch(token
[i
].type
) {
9169 Jim_AppendObj(interp
, resObjPtr
, token
[i
].objPtr
);
9172 objPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
9173 if (objPtr
== NULL
) goto err
;
9174 Jim_IncrRefCount(objPtr
);
9175 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
9176 Jim_DecrRefCount(interp
, objPtr
);
9178 case JIM_TT_DICTSUGAR
:
9179 objPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
9186 if (Jim_EvalObj(interp
, token
[i
].objPtr
) != JIM_OK
)
9188 Jim_AppendObj(interp
, resObjPtr
, interp
->result
);
9192 "default token type (%d) reached "
9193 "in Jim_SubstObj().", token
[i
].type
);
9198 if (retcode
== JIM_OK
)
9199 Jim_SetResult(interp
, savedResultObjPtr
);
9200 Jim_DecrRefCount(interp
, savedResultObjPtr
);
9201 /* Note that we don't have to decrement inUse, because the
9202 * following code transfers our use of the reference again to
9203 * the script object. */
9204 Jim_FreeIntRep(interp
, substObjPtr
);
9205 substObjPtr
->typePtr
= &scriptObjType
;
9206 Jim_SetIntRepPtr(substObjPtr
, script
);
9207 Jim_DecrRefCount(interp
, substObjPtr
);
9208 *resObjPtrPtr
= resObjPtr
;
9211 Jim_FreeNewObj(interp
, resObjPtr
);
9216 /* -----------------------------------------------------------------------------
9217 * API Input/Export functions
9218 * ---------------------------------------------------------------------------*/
9220 int Jim_GetApi(Jim_Interp
*interp
, const char *funcname
, void *targetPtrPtr
)
9224 he
= Jim_FindHashEntry(&interp
->stub
, funcname
);
9227 memcpy(targetPtrPtr
, &he
->val
, sizeof(void*));
9231 int Jim_RegisterApi(Jim_Interp
*interp
, const char *funcname
, void *funcptr
)
9233 return Jim_AddHashEntry(&interp
->stub
, funcname
, funcptr
);
9236 #define JIM_REGISTER_API(name) \
9237 Jim_RegisterApi(interp, "Jim_" #name, (void *)Jim_ ## name)
9239 void JimRegisterCoreApi(Jim_Interp
*interp
)
9241 interp
->getApiFuncPtr
= Jim_GetApi
;
9242 JIM_REGISTER_API(Alloc
);
9243 JIM_REGISTER_API(Free
);
9244 JIM_REGISTER_API(Eval
);
9245 JIM_REGISTER_API(Eval_Named
);
9246 JIM_REGISTER_API(EvalGlobal
);
9247 JIM_REGISTER_API(EvalFile
);
9248 JIM_REGISTER_API(EvalObj
);
9249 JIM_REGISTER_API(EvalObjBackground
);
9250 JIM_REGISTER_API(EvalObjVector
);
9251 JIM_REGISTER_API(InitHashTable
);
9252 JIM_REGISTER_API(ExpandHashTable
);
9253 JIM_REGISTER_API(AddHashEntry
);
9254 JIM_REGISTER_API(ReplaceHashEntry
);
9255 JIM_REGISTER_API(DeleteHashEntry
);
9256 JIM_REGISTER_API(FreeHashTable
);
9257 JIM_REGISTER_API(FindHashEntry
);
9258 JIM_REGISTER_API(ResizeHashTable
);
9259 JIM_REGISTER_API(GetHashTableIterator
);
9260 JIM_REGISTER_API(NextHashEntry
);
9261 JIM_REGISTER_API(NewObj
);
9262 JIM_REGISTER_API(FreeObj
);
9263 JIM_REGISTER_API(InvalidateStringRep
);
9264 JIM_REGISTER_API(InitStringRep
);
9265 JIM_REGISTER_API(DuplicateObj
);
9266 JIM_REGISTER_API(GetString
);
9267 JIM_REGISTER_API(Length
);
9268 JIM_REGISTER_API(InvalidateStringRep
);
9269 JIM_REGISTER_API(NewStringObj
);
9270 JIM_REGISTER_API(NewStringObjNoAlloc
);
9271 JIM_REGISTER_API(AppendString
);
9272 JIM_REGISTER_API(AppendString_sprintf
);
9273 JIM_REGISTER_API(AppendObj
);
9274 JIM_REGISTER_API(AppendStrings
);
9275 JIM_REGISTER_API(StringEqObj
);
9276 JIM_REGISTER_API(StringMatchObj
);
9277 JIM_REGISTER_API(StringRangeObj
);
9278 JIM_REGISTER_API(FormatString
);
9279 JIM_REGISTER_API(CompareStringImmediate
);
9280 JIM_REGISTER_API(NewReference
);
9281 JIM_REGISTER_API(GetReference
);
9282 JIM_REGISTER_API(SetFinalizer
);
9283 JIM_REGISTER_API(GetFinalizer
);
9284 JIM_REGISTER_API(CreateInterp
);
9285 JIM_REGISTER_API(FreeInterp
);
9286 JIM_REGISTER_API(GetExitCode
);
9287 JIM_REGISTER_API(SetStdin
);
9288 JIM_REGISTER_API(SetStdout
);
9289 JIM_REGISTER_API(SetStderr
);
9290 JIM_REGISTER_API(CreateCommand
);
9291 JIM_REGISTER_API(CreateProcedure
);
9292 JIM_REGISTER_API(DeleteCommand
);
9293 JIM_REGISTER_API(RenameCommand
);
9294 JIM_REGISTER_API(GetCommand
);
9295 JIM_REGISTER_API(SetVariable
);
9296 JIM_REGISTER_API(SetVariableStr
);
9297 JIM_REGISTER_API(SetGlobalVariableStr
);
9298 JIM_REGISTER_API(SetVariableStrWithStr
);
9299 JIM_REGISTER_API(SetVariableLink
);
9300 JIM_REGISTER_API(GetVariable
);
9301 JIM_REGISTER_API(GetCallFrameByLevel
);
9302 JIM_REGISTER_API(Collect
);
9303 JIM_REGISTER_API(CollectIfNeeded
);
9304 JIM_REGISTER_API(GetIndex
);
9305 JIM_REGISTER_API(NewListObj
);
9306 JIM_REGISTER_API(ListAppendElement
);
9307 JIM_REGISTER_API(ListAppendList
);
9308 JIM_REGISTER_API(ListLength
);
9309 JIM_REGISTER_API(ListIndex
);
9310 JIM_REGISTER_API(SetListIndex
);
9311 JIM_REGISTER_API(ConcatObj
);
9312 JIM_REGISTER_API(NewDictObj
);
9313 JIM_REGISTER_API(DictKey
);
9314 JIM_REGISTER_API(DictKeysVector
);
9315 JIM_REGISTER_API(GetIndex
);
9316 JIM_REGISTER_API(GetReturnCode
);
9317 JIM_REGISTER_API(EvalExpression
);
9318 JIM_REGISTER_API(GetBoolFromExpr
);
9319 JIM_REGISTER_API(GetWide
);
9320 JIM_REGISTER_API(GetLong
);
9321 JIM_REGISTER_API(SetWide
);
9322 JIM_REGISTER_API(NewIntObj
);
9323 JIM_REGISTER_API(GetDouble
);
9324 JIM_REGISTER_API(SetDouble
);
9325 JIM_REGISTER_API(NewDoubleObj
);
9326 JIM_REGISTER_API(WrongNumArgs
);
9327 JIM_REGISTER_API(SetDictKeysVector
);
9328 JIM_REGISTER_API(SubstObj
);
9329 JIM_REGISTER_API(RegisterApi
);
9330 JIM_REGISTER_API(PrintErrorMessage
);
9331 JIM_REGISTER_API(InteractivePrompt
);
9332 JIM_REGISTER_API(RegisterCoreCommands
);
9333 JIM_REGISTER_API(GetSharedString
);
9334 JIM_REGISTER_API(ReleaseSharedString
);
9335 JIM_REGISTER_API(Panic
);
9336 JIM_REGISTER_API(StrDup
);
9337 JIM_REGISTER_API(UnsetVariable
);
9338 JIM_REGISTER_API(GetVariableStr
);
9339 JIM_REGISTER_API(GetGlobalVariable
);
9340 JIM_REGISTER_API(GetGlobalVariableStr
);
9341 JIM_REGISTER_API(GetAssocData
);
9342 JIM_REGISTER_API(SetAssocData
);
9343 JIM_REGISTER_API(DeleteAssocData
);
9344 JIM_REGISTER_API(GetEnum
);
9345 JIM_REGISTER_API(ScriptIsComplete
);
9346 JIM_REGISTER_API(PackageRequire
);
9347 JIM_REGISTER_API(PackageProvide
);
9348 JIM_REGISTER_API(InitStack
);
9349 JIM_REGISTER_API(FreeStack
);
9350 JIM_REGISTER_API(StackLen
);
9351 JIM_REGISTER_API(StackPush
);
9352 JIM_REGISTER_API(StackPop
);
9353 JIM_REGISTER_API(StackPeek
);
9354 JIM_REGISTER_API(FreeStackElements
);
9355 JIM_REGISTER_API(fprintf
);
9356 JIM_REGISTER_API(vfprintf
);
9357 JIM_REGISTER_API(fwrite
);
9358 JIM_REGISTER_API(fread
);
9359 JIM_REGISTER_API(fflush
);
9360 JIM_REGISTER_API(fgets
);
9361 JIM_REGISTER_API(GetNvp
);
9362 JIM_REGISTER_API(Nvp_name2value
);
9363 JIM_REGISTER_API(Nvp_name2value_simple
);
9364 JIM_REGISTER_API(Nvp_name2value_obj
);
9365 JIM_REGISTER_API(Nvp_name2value_nocase
);
9366 JIM_REGISTER_API(Nvp_name2value_obj_nocase
);
9368 JIM_REGISTER_API(Nvp_value2name
);
9369 JIM_REGISTER_API(Nvp_value2name_simple
);
9370 JIM_REGISTER_API(Nvp_value2name_obj
);
9372 JIM_REGISTER_API(GetOpt_Setup
);
9373 JIM_REGISTER_API(GetOpt_Debug
);
9374 JIM_REGISTER_API(GetOpt_Obj
);
9375 JIM_REGISTER_API(GetOpt_String
);
9376 JIM_REGISTER_API(GetOpt_Double
);
9377 JIM_REGISTER_API(GetOpt_Wide
);
9378 JIM_REGISTER_API(GetOpt_Nvp
);
9379 JIM_REGISTER_API(GetOpt_NvpUnknown
);
9380 JIM_REGISTER_API(GetOpt_Enum
);
9382 JIM_REGISTER_API(Debug_ArgvString
);
9383 JIM_REGISTER_API(SetResult_sprintf
);
9384 JIM_REGISTER_API(SetResult_NvpUnknown
);
9388 /* -----------------------------------------------------------------------------
9389 * Core commands utility functions
9390 * ---------------------------------------------------------------------------*/
9391 void Jim_WrongNumArgs(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
,
9395 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
9397 Jim_AppendString(interp
, objPtr
, "wrong # args: should be \"", -1);
9398 for (i
= 0; i
< argc
; i
++) {
9399 Jim_AppendObj(interp
, objPtr
, argv
[i
]);
9400 if (!(i
+1 == argc
&& msg
[0] == '\0'))
9401 Jim_AppendString(interp
, objPtr
, " ", 1);
9403 Jim_AppendString(interp
, objPtr
, msg
, -1);
9404 Jim_AppendString(interp
, objPtr
, "\"", 1);
9405 Jim_SetResult(interp
, objPtr
);
9408 static Jim_Obj
*JimCommandsList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
)
9410 Jim_HashTableIterator
*htiter
;
9412 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9413 const char *pattern
;
9416 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9417 htiter
= Jim_GetHashTableIterator(&interp
->commands
);
9418 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9419 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9420 strlen((const char*)he
->key
), 0))
9422 Jim_ListAppendElement(interp
, listObjPtr
,
9423 Jim_NewStringObj(interp
, he
->key
, -1));
9425 Jim_FreeHashTableIterator(htiter
);
9429 #define JIM_VARLIST_GLOBALS 0
9430 #define JIM_VARLIST_LOCALS 1
9431 #define JIM_VARLIST_VARS 2
9433 static Jim_Obj
*JimVariablesList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
,
9436 Jim_HashTableIterator
*htiter
;
9438 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9439 const char *pattern
;
9442 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9443 if (mode
== JIM_VARLIST_GLOBALS
) {
9444 htiter
= Jim_GetHashTableIterator(&interp
->topFramePtr
->vars
);
9446 /* For [info locals], if we are at top level an emtpy list
9447 * is returned. I don't agree, but we aim at compatibility (SS) */
9448 if (mode
== JIM_VARLIST_LOCALS
&&
9449 interp
->framePtr
== interp
->topFramePtr
)
9451 htiter
= Jim_GetHashTableIterator(&interp
->framePtr
->vars
);
9453 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9454 Jim_Var
*varPtr
= (Jim_Var
*) he
->val
;
9455 if (mode
== JIM_VARLIST_LOCALS
) {
9456 if (varPtr
->linkFramePtr
!= NULL
)
9459 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9460 strlen((const char*)he
->key
), 0))
9462 Jim_ListAppendElement(interp
, listObjPtr
,
9463 Jim_NewStringObj(interp
, he
->key
, -1));
9465 Jim_FreeHashTableIterator(htiter
);
9469 static int JimInfoLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
9470 Jim_Obj
**objPtrPtr
)
9472 Jim_CallFrame
*targetCallFrame
;
9474 if (JimGetCallFrameByInteger(interp
, levelObjPtr
, &targetCallFrame
)
9477 /* No proc call at toplevel callframe */
9478 if (targetCallFrame
== interp
->topFramePtr
) {
9479 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
9480 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
9482 Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
9485 *objPtrPtr
= Jim_NewListObj(interp
,
9486 targetCallFrame
->argv
,
9487 targetCallFrame
->argc
);
9491 /* -----------------------------------------------------------------------------
9493 * ---------------------------------------------------------------------------*/
9495 /* fake [puts] -- not the real puts, just for debugging. */
9496 static int Jim_PutsCoreCommand(Jim_Interp
*interp
, int argc
,
9497 Jim_Obj
*const *argv
)
9500 int len
, nonewline
= 0;
9502 if (argc
!= 2 && argc
!= 3) {
9503 Jim_WrongNumArgs(interp
, 1, argv
, "-nonewline string");
9507 if (!Jim_CompareStringImmediate(interp
, argv
[1], "-nonewline"))
9509 Jim_SetResultString(interp
, "The second argument must "
9510 "be -nonewline", -1);
9517 str
= Jim_GetString(argv
[1], &len
);
9518 Jim_fwrite(interp
, str
, 1, len
, interp
->cookie_stdout
);
9519 if (!nonewline
) Jim_fprintf( interp
, interp
->cookie_stdout
, JIM_NL
);
9523 /* Helper for [+] and [*] */
9524 static int Jim_AddMulHelper(Jim_Interp
*interp
, int argc
,
9525 Jim_Obj
*const *argv
, int op
)
9527 jim_wide wideValue
, res
;
9528 double doubleValue
, doubleRes
;
9531 res
= (op
== JIM_EXPROP_ADD
) ? 0 : 1;
9533 for (i
= 1; i
< argc
; i
++) {
9534 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
)
9536 if (op
== JIM_EXPROP_ADD
)
9541 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9544 doubleRes
= (double) res
;
9545 for (;i
< argc
; i
++) {
9546 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9548 if (op
== JIM_EXPROP_ADD
)
9549 doubleRes
+= doubleValue
;
9551 doubleRes
*= doubleValue
;
9553 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9557 /* Helper for [-] and [/] */
9558 static int Jim_SubDivHelper(Jim_Interp
*interp
, int argc
,
9559 Jim_Obj
*const *argv
, int op
)
9561 jim_wide wideValue
, res
= 0;
9562 double doubleValue
, doubleRes
= 0;
9566 Jim_WrongNumArgs(interp
, 1, argv
, "number ?number ... number?");
9568 } else if (argc
== 2) {
9569 /* The arity = 2 case is different. For [- x] returns -x,
9570 * while [/ x] returns 1/x. */
9571 if (Jim_GetWide(interp
, argv
[1], &wideValue
) != JIM_OK
) {
9572 if (Jim_GetDouble(interp
, argv
[1], &doubleValue
) !=
9577 if (op
== JIM_EXPROP_SUB
)
9578 doubleRes
= -doubleValue
;
9580 doubleRes
= 1.0/doubleValue
;
9581 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9586 if (op
== JIM_EXPROP_SUB
) {
9588 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9590 doubleRes
= 1.0/wideValue
;
9591 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9596 if (Jim_GetWide(interp
, argv
[1], &res
) != JIM_OK
) {
9597 if (Jim_GetDouble(interp
, argv
[1], &doubleRes
)
9605 for (i
= 2; i
< argc
; i
++) {
9606 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
) {
9607 doubleRes
= (double) res
;
9610 if (op
== JIM_EXPROP_SUB
)
9615 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9618 for (;i
< argc
; i
++) {
9619 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9621 if (op
== JIM_EXPROP_SUB
)
9622 doubleRes
-= doubleValue
;
9624 doubleRes
/= doubleValue
;
9626 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9632 static int Jim_AddCoreCommand(Jim_Interp
*interp
, int argc
,
9633 Jim_Obj
*const *argv
)
9635 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_ADD
);
9639 static int Jim_MulCoreCommand(Jim_Interp
*interp
, int argc
,
9640 Jim_Obj
*const *argv
)
9642 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_MUL
);
9646 static int Jim_SubCoreCommand(Jim_Interp
*interp
, int argc
,
9647 Jim_Obj
*const *argv
)
9649 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_SUB
);
9653 static int Jim_DivCoreCommand(Jim_Interp
*interp
, int argc
,
9654 Jim_Obj
*const *argv
)
9656 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_DIV
);
9660 static int Jim_SetCoreCommand(Jim_Interp
*interp
, int argc
,
9661 Jim_Obj
*const *argv
)
9663 if (argc
!= 2 && argc
!= 3) {
9664 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?newValue?");
9669 objPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9672 Jim_SetResult(interp
, objPtr
);
9675 /* argc == 3 case. */
9676 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
9678 Jim_SetResult(interp
, argv
[2]);
9683 static int Jim_UnsetCoreCommand(Jim_Interp
*interp
, int argc
,
9684 Jim_Obj
*const *argv
)
9689 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
9692 for (i
= 1; i
< argc
; i
++) {
9693 if (Jim_UnsetVariable(interp
, argv
[i
], JIM_ERRMSG
) != JIM_OK
)
9700 static int Jim_IncrCoreCommand(Jim_Interp
*interp
, int argc
,
9701 Jim_Obj
*const *argv
)
9703 jim_wide wideValue
, increment
= 1;
9706 if (argc
!= 2 && argc
!= 3) {
9707 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?increment?");
9711 if (Jim_GetWide(interp
, argv
[2], &increment
) != JIM_OK
)
9714 intObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9715 if (!intObjPtr
) return JIM_ERR
;
9716 if (Jim_GetWide(interp
, intObjPtr
, &wideValue
) != JIM_OK
)
9718 if (Jim_IsShared(intObjPtr
)) {
9719 intObjPtr
= Jim_NewIntObj(interp
, wideValue
+increment
);
9720 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9721 Jim_FreeNewObj(interp
, intObjPtr
);
9725 Jim_SetWide(interp
, intObjPtr
, wideValue
+increment
);
9726 /* The following step is required in order to invalidate the
9727 * string repr of "FOO" if the var name is on the form of "FOO(IDX)" */
9728 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9732 Jim_SetResult(interp
, intObjPtr
);
9737 static int Jim_WhileCoreCommand(Jim_Interp
*interp
, int argc
,
9738 Jim_Obj
*const *argv
)
9741 Jim_WrongNumArgs(interp
, 1, argv
, "condition body");
9744 /* Try to run a specialized version of while if the expression
9745 * is in one of the following forms:
9747 * $a < CONST, $a < $b
9748 * $a <= CONST, $a <= $b
9749 * $a > CONST, $a > $b
9750 * $a >= CONST, $a >= $b
9751 * $a != CONST, $a != $b
9752 * $a == CONST, $a == $b
9758 #ifdef JIM_OPTIMIZATION
9761 Jim_Obj
*varAObjPtr
= NULL
, *varBObjPtr
= NULL
, *objPtr
;
9762 int exprLen
, retval
;
9764 /* STEP 1 -- Check if there are the conditions to run the specialized
9765 * version of while */
9767 if ((expr
= Jim_GetExpression(interp
, argv
[1])) == NULL
) goto noopt
;
9768 if (expr
->len
<= 0 || expr
->len
> 3) goto noopt
;
9771 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
&&
9772 expr
->opcode
[0] != JIM_EXPROP_NUMBER
)
9776 if (expr
->opcode
[1] != JIM_EXPROP_NOT
||
9777 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
)
9781 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9782 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9783 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
))
9785 switch(expr
->opcode
[2]) {
9787 case JIM_EXPROP_LTE
:
9789 case JIM_EXPROP_GTE
:
9790 case JIM_EXPROP_NUMEQ
:
9791 case JIM_EXPROP_NUMNE
:
9800 "Unexpected default reached in Jim_WhileCoreCommand()");
9804 /* STEP 2 -- conditions meet. Initialization. Take different
9805 * branches for different expression lengths. */
9806 exprLen
= expr
->len
;
9811 if (expr
->opcode
[0] == JIM_EXPROP_VARIABLE
) {
9812 varAObjPtr
= expr
->obj
[0];
9813 Jim_IncrRefCount(varAObjPtr
);
9815 if (Jim_GetWide(interp
, expr
->obj
[0], &wideValue
) != JIM_OK
)
9821 Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9822 Jim_GetWide(interp
, objPtr
, &wideValue
) != JIM_OK
)
9824 Jim_DecrRefCount(interp
, varAObjPtr
);
9828 if (!wideValue
) break;
9829 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9833 Jim_DecrRefCount(interp
, varAObjPtr
);
9841 Jim_DecrRefCount(interp
, varAObjPtr
);
9847 Jim_DecrRefCount(interp
, varAObjPtr
);
9848 } else if (exprLen
== 3) {
9849 jim_wide wideValueA
, wideValueB
, cmpRes
= 0;
9850 int cmpType
= expr
->opcode
[2];
9852 varAObjPtr
= expr
->obj
[0];
9853 Jim_IncrRefCount(varAObjPtr
);
9854 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
9855 varBObjPtr
= expr
->obj
[1];
9856 Jim_IncrRefCount(varBObjPtr
);
9858 if (Jim_GetWide(interp
, expr
->obj
[1], &wideValueB
) != JIM_OK
)
9862 if (!(objPtr
= Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9863 Jim_GetWide(interp
, objPtr
, &wideValueA
) != JIM_OK
)
9865 Jim_DecrRefCount(interp
, varAObjPtr
);
9867 Jim_DecrRefCount(interp
, varBObjPtr
);
9872 Jim_GetVariable(interp
, varBObjPtr
, JIM_NONE
)) ||
9873 Jim_GetWide(interp
, objPtr
, &wideValueB
) != JIM_OK
)
9875 Jim_DecrRefCount(interp
, varAObjPtr
);
9877 Jim_DecrRefCount(interp
, varBObjPtr
);
9883 cmpRes
= wideValueA
< wideValueB
; break;
9884 case JIM_EXPROP_LTE
:
9885 cmpRes
= wideValueA
<= wideValueB
; break;
9887 cmpRes
= wideValueA
> wideValueB
; break;
9888 case JIM_EXPROP_GTE
:
9889 cmpRes
= wideValueA
>= wideValueB
; break;
9890 case JIM_EXPROP_NUMEQ
:
9891 cmpRes
= wideValueA
== wideValueB
; break;
9892 case JIM_EXPROP_NUMNE
:
9893 cmpRes
= wideValueA
!= wideValueB
; break;
9896 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9899 Jim_DecrRefCount(interp
, varAObjPtr
);
9901 Jim_DecrRefCount(interp
, varBObjPtr
);
9908 Jim_DecrRefCount(interp
, varAObjPtr
);
9910 Jim_DecrRefCount(interp
, varBObjPtr
);
9915 Jim_DecrRefCount(interp
, varAObjPtr
);
9917 Jim_DecrRefCount(interp
, varBObjPtr
);
9919 /* TODO: case for len == 2 */
9922 Jim_SetEmptyResult(interp
);
9928 /* The general purpose implementation of while starts here */
9930 int boolean
, retval
;
9932 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[1],
9933 &boolean
)) != JIM_OK
)
9935 if (!boolean
) break;
9936 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9950 Jim_SetEmptyResult(interp
);
9955 static int Jim_ForCoreCommand(Jim_Interp
*interp
, int argc
,
9956 Jim_Obj
*const *argv
)
9961 Jim_WrongNumArgs(interp
, 1, argv
, "start test next body");
9964 /* Check if the for is on the form:
9965 * for {set i CONST} {$i < CONST} {incr i}
9966 * for {set i CONST} {$i < $j} {incr i}
9967 * for {set i CONST} {$i <= CONST} {incr i}
9968 * for {set i CONST} {$i <= $j} {incr i}
9969 * XXX: NOTE: if variable traces are implemented, this optimization
9970 * need to be modified to check for the proc epoch at every variable
9972 #ifdef JIM_OPTIMIZATION
9974 ScriptObj
*initScript
, *incrScript
;
9976 jim_wide start
, stop
, currentVal
;
9977 unsigned jim_wide procEpoch
= interp
->procEpoch
;
9978 Jim_Obj
*varNamePtr
, *stopVarNamePtr
= NULL
, *objPtr
;
9980 struct Jim_Cmd
*cmdPtr
;
9982 /* Do it only if there aren't shared arguments */
9983 if (argv
[1] == argv
[2] || argv
[2] == argv
[3] || argv
[1] == argv
[3])
9985 initScript
= Jim_GetScript(interp
, argv
[1]);
9986 expr
= Jim_GetExpression(interp
, argv
[2]);
9987 incrScript
= Jim_GetScript(interp
, argv
[3]);
9989 /* Ensure proper lengths to start */
9990 if (initScript
->len
!= 6) goto evalstart
;
9991 if (incrScript
->len
!= 4) goto evalstart
;
9992 if (expr
->len
!= 3) goto evalstart
;
9993 /* Ensure proper token types. */
9994 if (initScript
->token
[2].type
!= JIM_TT_ESC
||
9995 initScript
->token
[4].type
!= JIM_TT_ESC
||
9996 incrScript
->token
[2].type
!= JIM_TT_ESC
||
9997 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9998 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9999 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
) ||
10000 (expr
->opcode
[2] != JIM_EXPROP_LT
&&
10001 expr
->opcode
[2] != JIM_EXPROP_LTE
))
10003 cmpType
= expr
->opcode
[2];
10004 /* Initialization command must be [set] */
10005 cmdPtr
= Jim_GetCommand(interp
, initScript
->token
[0].objPtr
, JIM_NONE
);
10006 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_SetCoreCommand
)
10008 /* Update command must be incr */
10009 cmdPtr
= Jim_GetCommand(interp
, incrScript
->token
[0].objPtr
, JIM_NONE
);
10010 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_IncrCoreCommand
)
10012 /* set, incr, expression must be about the same variable */
10013 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
10014 incrScript
->token
[2].objPtr
, 0))
10016 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
10019 /* Check that the initialization and comparison are valid integers */
10020 if (Jim_GetWide(interp
, initScript
->token
[4].objPtr
, &start
) == JIM_ERR
)
10022 if (expr
->opcode
[1] == JIM_EXPROP_NUMBER
&&
10023 Jim_GetWide(interp
, expr
->obj
[1], &stop
) == JIM_ERR
)
10028 /* Initialization */
10029 varNamePtr
= expr
->obj
[0];
10030 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
10031 stopVarNamePtr
= expr
->obj
[1];
10032 Jim_IncrRefCount(stopVarNamePtr
);
10034 Jim_IncrRefCount(varNamePtr
);
10036 /* --- OPTIMIZED FOR --- */
10037 /* Start to loop */
10038 objPtr
= Jim_NewIntObj(interp
, start
);
10039 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
10040 Jim_DecrRefCount(interp
, varNamePtr
);
10041 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
10042 Jim_FreeNewObj(interp
, objPtr
);
10046 /* === Check condition === */
10048 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_NONE
);
10049 if (objPtr
== NULL
||
10050 Jim_GetWide(interp
, objPtr
, ¤tVal
) != JIM_OK
)
10052 Jim_DecrRefCount(interp
, varNamePtr
);
10053 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
10056 /* Immediate or Variable? get the 'stop' value if the latter. */
10057 if (stopVarNamePtr
) {
10058 objPtr
= Jim_GetVariable(interp
, stopVarNamePtr
, JIM_NONE
);
10059 if (objPtr
== NULL
||
10060 Jim_GetWide(interp
, objPtr
, &stop
) != JIM_OK
)
10062 Jim_DecrRefCount(interp
, varNamePtr
);
10063 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10067 if (cmpType
== JIM_EXPROP_LT
) {
10068 if (currentVal
>= stop
) break;
10070 if (currentVal
> stop
) break;
10073 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
10076 if (stopVarNamePtr
)
10077 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10078 Jim_DecrRefCount(interp
, varNamePtr
);
10081 /* nothing to do */
10084 if (stopVarNamePtr
)
10085 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10086 Jim_DecrRefCount(interp
, varNamePtr
);
10090 /* If there was a change in procedures/command continue
10091 * with the usual [for] command implementation */
10092 if (procEpoch
!= interp
->procEpoch
) {
10093 if (stopVarNamePtr
)
10094 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10095 Jim_DecrRefCount(interp
, varNamePtr
);
10099 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
10100 if (objPtr
->refCount
== 1 && objPtr
->typePtr
== &intObjType
) {
10101 objPtr
->internalRep
.wideValue
++;
10102 Jim_InvalidateStringRep(objPtr
);
10104 Jim_Obj
*auxObjPtr
;
10106 if (Jim_GetWide(interp
, objPtr
, ¤tVal
) == JIM_ERR
) {
10107 if (stopVarNamePtr
)
10108 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10109 Jim_DecrRefCount(interp
, varNamePtr
);
10112 auxObjPtr
= Jim_NewIntObj(interp
, currentVal
+1);
10113 if (Jim_SetVariable(interp
, varNamePtr
, auxObjPtr
) == JIM_ERR
) {
10114 if (stopVarNamePtr
)
10115 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10116 Jim_DecrRefCount(interp
, varNamePtr
);
10117 Jim_FreeNewObj(interp
, auxObjPtr
);
10122 if (stopVarNamePtr
)
10123 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10124 Jim_DecrRefCount(interp
, varNamePtr
);
10125 Jim_SetEmptyResult(interp
);
10131 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
10136 /* Test the condition */
10137 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[2], &boolean
))
10140 if (!boolean
) break;
10142 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
10148 /* Nothing to do */
10156 if ((retval
= Jim_EvalObj(interp
, argv
[3])) != JIM_OK
) {
10170 Jim_SetEmptyResult(interp
);
10174 /* foreach + lmap implementation. */
10175 static int JimForeachMapHelper(Jim_Interp
*interp
, int argc
,
10176 Jim_Obj
*const *argv
, int doMap
)
10178 int result
= JIM_ERR
, i
, nbrOfLists
, *listsIdx
, *listsEnd
;
10179 int nbrOfLoops
= 0;
10180 Jim_Obj
*emptyStr
, *script
, *mapRes
= NULL
;
10182 if (argc
< 4 || argc
% 2 != 0) {
10183 Jim_WrongNumArgs(interp
, 1, argv
, "varList list ?varList list ...? script");
10187 mapRes
= Jim_NewListObj(interp
, NULL
, 0);
10188 Jim_IncrRefCount(mapRes
);
10190 emptyStr
= Jim_NewEmptyStringObj(interp
);
10191 Jim_IncrRefCount(emptyStr
);
10192 script
= argv
[argc
-1]; /* Last argument is a script */
10193 nbrOfLists
= (argc
- 1 - 1) / 2; /* argc - 'foreach' - script */
10194 listsIdx
= (int*)Jim_Alloc(nbrOfLists
* sizeof(int));
10195 listsEnd
= (int*)Jim_Alloc(nbrOfLists
*2 * sizeof(int));
10196 /* Initialize iterators and remember max nbr elements each list */
10197 memset(listsIdx
, 0, nbrOfLists
* sizeof(int));
10198 /* Remember lengths of all lists and calculate how much rounds to loop */
10199 for (i
=0; i
< nbrOfLists
*2; i
+= 2) {
10202 Jim_ListLength(interp
, argv
[i
+1], &listsEnd
[i
]);
10203 Jim_ListLength(interp
, argv
[i
+2], &listsEnd
[i
+1]);
10204 if (listsEnd
[i
] == 0) {
10205 Jim_SetResultString(interp
, "foreach varlist is empty", -1);
10208 cnt
= div(listsEnd
[i
+1], listsEnd
[i
]);
10209 count
= cnt
.quot
+ (cnt
.rem
? 1 : 0);
10210 if (count
> nbrOfLoops
)
10211 nbrOfLoops
= count
;
10213 for (; nbrOfLoops
-- > 0; ) {
10214 for (i
=0; i
< nbrOfLists
; ++i
) {
10215 int varIdx
= 0, var
= i
* 2;
10216 while (varIdx
< listsEnd
[var
]) {
10217 Jim_Obj
*varName
, *ele
;
10218 int lst
= i
* 2 + 1;
10219 if (Jim_ListIndex(interp
, argv
[var
+1], varIdx
, &varName
, JIM_ERRMSG
)
10222 if (listsIdx
[i
] < listsEnd
[lst
]) {
10223 if (Jim_ListIndex(interp
, argv
[lst
+1], listsIdx
[i
], &ele
, JIM_ERRMSG
)
10226 if (Jim_SetVariable(interp
, varName
, ele
) != JIM_OK
) {
10227 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10230 ++listsIdx
[i
]; /* Remember next iterator of current list */
10231 } else if (Jim_SetVariable(interp
, varName
, emptyStr
) != JIM_OK
) {
10232 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10235 ++varIdx
; /* Next variable */
10238 switch (result
= Jim_EvalObj(interp
, script
)) {
10241 Jim_ListAppendElement(interp
, mapRes
, interp
->result
);
10255 Jim_SetResult(interp
, mapRes
);
10257 Jim_SetEmptyResult(interp
);
10260 Jim_DecrRefCount(interp
, mapRes
);
10261 Jim_DecrRefCount(interp
, emptyStr
);
10262 Jim_Free(listsIdx
);
10263 Jim_Free(listsEnd
);
10268 static int Jim_ForeachCoreCommand(Jim_Interp
*interp
, int argc
,
10269 Jim_Obj
*const *argv
)
10271 return JimForeachMapHelper(interp
, argc
, argv
, 0);
10275 static int Jim_LmapCoreCommand(Jim_Interp
*interp
, int argc
,
10276 Jim_Obj
*const *argv
)
10278 return JimForeachMapHelper(interp
, argc
, argv
, 1);
10282 static int Jim_IfCoreCommand(Jim_Interp
*interp
, int argc
,
10283 Jim_Obj
*const *argv
)
10285 int boolean
, retval
, current
= 1, falsebody
= 0;
10288 /* Far not enough arguments given! */
10289 if (current
>= argc
) goto err
;
10290 if ((retval
= Jim_GetBoolFromExpr(interp
,
10291 argv
[current
++], &boolean
))
10294 /* There lacks something, isn't it? */
10295 if (current
>= argc
) goto err
;
10296 if (Jim_CompareStringImmediate(interp
, argv
[current
],
10297 "then")) current
++;
10298 /* Tsk tsk, no then-clause? */
10299 if (current
>= argc
) goto err
;
10301 return Jim_EvalObj(interp
, argv
[current
]);
10302 /* Ok: no else-clause follows */
10303 if (++current
>= argc
) {
10304 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10307 falsebody
= current
++;
10308 if (Jim_CompareStringImmediate(interp
, argv
[falsebody
],
10310 /* IIICKS - else-clause isn't last cmd? */
10311 if (current
!= argc
-1) goto err
;
10312 return Jim_EvalObj(interp
, argv
[current
]);
10313 } else if (Jim_CompareStringImmediate(interp
,
10314 argv
[falsebody
], "elseif"))
10315 /* Ok: elseif follows meaning all the stuff
10316 * again (how boring...) */
10318 /* OOPS - else-clause is not last cmd?*/
10319 else if (falsebody
!= argc
-1)
10321 return Jim_EvalObj(interp
, argv
[falsebody
]);
10326 Jim_WrongNumArgs(interp
, 1, argv
, "condition ?then? trueBody ?elseif ...? ?else? falseBody");
10330 enum {SWITCH_EXACT
, SWITCH_GLOB
, SWITCH_RE
, SWITCH_CMD
, SWITCH_UNKNOWN
};
10333 static int Jim_SwitchCoreCommand(Jim_Interp
*interp
, int argc
,
10334 Jim_Obj
*const *argv
)
10336 int retcode
= JIM_ERR
, matchOpt
= SWITCH_EXACT
, opt
=1, patCount
, i
;
10337 Jim_Obj
*command
= 0, *const *caseList
= 0, *strObj
;
10338 Jim_Obj
*script
= 0;
10339 if (argc
< 3) goto wrongnumargs
;
10340 for (opt
=1; opt
< argc
; ++opt
) {
10341 const char *option
= Jim_GetString(argv
[opt
], 0);
10342 if (*option
!= '-') break;
10343 else if (strncmp(option
, "--", 2) == 0) { ++opt
; break; }
10344 else if (strncmp(option
, "-exact", 2) == 0) matchOpt
= SWITCH_EXACT
;
10345 else if (strncmp(option
, "-glob", 2) == 0) matchOpt
= SWITCH_GLOB
;
10346 else if (strncmp(option
, "-regexp", 2) == 0) matchOpt
= SWITCH_RE
;
10347 else if (strncmp(option
, "-command", 2) == 0) { matchOpt
= SWITCH_CMD
;
10348 if ((argc
- opt
) < 2) goto wrongnumargs
;
10349 command
= argv
[++opt
];
10351 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10352 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10353 "bad option \"", option
, "\": must be -exact, -glob, "
10354 "-regexp, -command procname or --", 0);
10357 if ((argc
- opt
) < 2) goto wrongnumargs
;
10359 strObj
= argv
[opt
++];
10360 patCount
= argc
- opt
;
10361 if (patCount
== 1) {
10363 JimListGetElements(interp
, argv
[opt
], &patCount
, &vector
);
10366 caseList
= &argv
[opt
];
10367 if (patCount
== 0 || patCount
% 2 != 0) goto wrongnumargs
;
10368 for (i
=0; script
== 0 && i
< patCount
; i
+= 2) {
10369 Jim_Obj
*patObj
= caseList
[i
];
10370 if (!Jim_CompareStringImmediate(interp
, patObj
, "default")
10371 || i
< (patCount
-2)) {
10372 switch (matchOpt
) {
10374 if (Jim_StringEqObj(strObj
, patObj
, 0))
10375 script
= caseList
[i
+1];
10378 if (Jim_StringMatchObj(patObj
, strObj
, 0))
10379 script
= caseList
[i
+1];
10382 command
= Jim_NewStringObj(interp
, "regexp", -1);
10383 /* Fall thru intentionally */
10385 Jim_Obj
*parms
[] = {command
, patObj
, strObj
};
10386 int rc
= Jim_EvalObjVector(interp
, 3, parms
);
10388 /* After the execution of a command we need to
10389 * make sure to reconvert the object into a list
10390 * again. Only for the single-list style [switch]. */
10391 if (argc
-opt
== 1) {
10393 JimListGetElements(interp
, argv
[opt
], &patCount
,
10397 /* command is here already decref'd */
10398 if (rc
!= JIM_OK
) {
10402 rc
= Jim_GetLong(interp
, Jim_GetResult(interp
), &matching
);
10403 if (rc
!= JIM_OK
) {
10408 script
= caseList
[i
+1];
10412 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10413 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10414 "internal error: no such option implemented", 0);
10418 script
= caseList
[i
+1];
10421 for(; i
< patCount
&& Jim_CompareStringImmediate(interp
, script
, "-");
10423 script
= caseList
[i
+1];
10424 if (script
&& Jim_CompareStringImmediate(interp
, script
, "-")) {
10425 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10426 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10427 "no body specified for pattern \"",
10428 Jim_GetString(caseList
[i
-2], 0), "\"", 0);
10432 Jim_SetEmptyResult(interp
);
10434 retcode
= Jim_EvalObj(interp
, script
);
10437 Jim_WrongNumArgs(interp
, 1, argv
, "?options? string "
10438 "pattern body ... ?default body? or "
10439 "{pattern body ?pattern body ...?}");
10445 static int Jim_ListCoreCommand(Jim_Interp
*interp
, int argc
,
10446 Jim_Obj
*const *argv
)
10448 Jim_Obj
*listObjPtr
;
10450 listObjPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10451 Jim_SetResult(interp
, listObjPtr
);
10456 static int Jim_LindexCoreCommand(Jim_Interp
*interp
, int argc
,
10457 Jim_Obj
*const *argv
)
10459 Jim_Obj
*objPtr
, *listObjPtr
;
10464 Jim_WrongNumArgs(interp
, 1, argv
, "list index ?...?");
10468 Jim_IncrRefCount(objPtr
);
10469 for (i
= 2; i
< argc
; i
++) {
10470 listObjPtr
= objPtr
;
10471 if (Jim_GetIndex(interp
, argv
[i
], &index
) != JIM_OK
) {
10472 Jim_DecrRefCount(interp
, listObjPtr
);
10475 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
10476 JIM_NONE
) != JIM_OK
) {
10477 /* Returns an empty object if the index
10478 * is out of range. */
10479 Jim_DecrRefCount(interp
, listObjPtr
);
10480 Jim_SetEmptyResult(interp
);
10483 Jim_IncrRefCount(objPtr
);
10484 Jim_DecrRefCount(interp
, listObjPtr
);
10486 Jim_SetResult(interp
, objPtr
);
10487 Jim_DecrRefCount(interp
, objPtr
);
10492 static int Jim_LlengthCoreCommand(Jim_Interp
*interp
, int argc
,
10493 Jim_Obj
*const *argv
)
10498 Jim_WrongNumArgs(interp
, 1, argv
, "list");
10501 Jim_ListLength(interp
, argv
[1], &len
);
10502 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
10507 static int Jim_LappendCoreCommand(Jim_Interp
*interp
, int argc
,
10508 Jim_Obj
*const *argv
)
10510 Jim_Obj
*listObjPtr
;
10514 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10517 listObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10519 /* Create the list if it does not exists */
10520 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10521 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10522 Jim_FreeNewObj(interp
, listObjPtr
);
10526 shared
= Jim_IsShared(listObjPtr
);
10528 listObjPtr
= Jim_DuplicateObj(interp
, listObjPtr
);
10529 for (i
= 2; i
< argc
; i
++)
10530 Jim_ListAppendElement(interp
, listObjPtr
, argv
[i
]);
10531 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10533 Jim_FreeNewObj(interp
, listObjPtr
);
10536 Jim_SetResult(interp
, listObjPtr
);
10541 static int Jim_LinsertCoreCommand(Jim_Interp
*interp
, int argc
,
10542 Jim_Obj
*const *argv
)
10548 Jim_WrongNumArgs(interp
, 1, argv
, "list index element "
10553 if (Jim_IsShared(listPtr
))
10554 listPtr
= Jim_DuplicateObj(interp
, listPtr
);
10555 if (Jim_GetIndex(interp
, argv
[2], &index
) != JIM_OK
)
10557 Jim_ListLength(interp
, listPtr
, &len
);
10560 else if (index
< 0)
10561 index
= len
+ index
+ 1;
10562 Jim_ListInsertElements(interp
, listPtr
, index
, argc
-3, &argv
[3]);
10563 Jim_SetResult(interp
, listPtr
);
10566 if (listPtr
!= argv
[1]) {
10567 Jim_FreeNewObj(interp
, listPtr
);
10573 static int Jim_LsetCoreCommand(Jim_Interp
*interp
, int argc
,
10574 Jim_Obj
*const *argv
)
10577 Jim_WrongNumArgs(interp
, 1, argv
, "listVar ?index...? newVal");
10579 } else if (argc
== 3) {
10580 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
10582 Jim_SetResult(interp
, argv
[2]);
10585 if (Jim_SetListIndex(interp
, argv
[1], argv
+2, argc
-3, argv
[argc
-1])
10586 == JIM_ERR
) return JIM_ERR
;
10591 static int Jim_LsortCoreCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const argv
[])
10593 const char *options
[] = {
10594 "-ascii", "-nocase", "-increasing", "-decreasing", NULL
10596 enum {OPT_ASCII
, OPT_NOCASE
, OPT_INCREASING
, OPT_DECREASING
};
10598 int i
, lsortType
= JIM_LSORT_ASCII
; /* default sort type */
10599 int decreasing
= 0;
10602 Jim_WrongNumArgs(interp
, 1, argv
, "?options? list");
10605 for (i
= 1; i
< (argc
-1); i
++) {
10608 if (Jim_GetEnum(interp
, argv
[i
], options
, &option
, "option", JIM_ERRMSG
)
10612 case OPT_ASCII
: lsortType
= JIM_LSORT_ASCII
; break;
10613 case OPT_NOCASE
: lsortType
= JIM_LSORT_NOCASE
; break;
10614 case OPT_INCREASING
: decreasing
= 0; break;
10615 case OPT_DECREASING
: decreasing
= 1; break;
10619 switch(lsortType
) {
10620 case JIM_LSORT_ASCII
: lsortType
= JIM_LSORT_ASCII_DECR
; break;
10621 case JIM_LSORT_NOCASE
: lsortType
= JIM_LSORT_NOCASE_DECR
; break;
10624 resObj
= Jim_DuplicateObj(interp
, argv
[argc
-1]);
10625 ListSortElements(interp
, resObj
, lsortType
);
10626 Jim_SetResult(interp
, resObj
);
10631 static int Jim_AppendCoreCommand(Jim_Interp
*interp
, int argc
,
10632 Jim_Obj
*const *argv
)
10634 Jim_Obj
*stringObjPtr
;
10638 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10642 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
10643 if (!stringObjPtr
) return JIM_ERR
;
10645 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10646 if (!stringObjPtr
) {
10647 /* Create the string if it does not exists */
10648 stringObjPtr
= Jim_NewEmptyStringObj(interp
);
10649 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
)
10651 Jim_FreeNewObj(interp
, stringObjPtr
);
10656 shared
= Jim_IsShared(stringObjPtr
);
10658 stringObjPtr
= Jim_DuplicateObj(interp
, stringObjPtr
);
10659 for (i
= 2; i
< argc
; i
++)
10660 Jim_AppendObj(interp
, stringObjPtr
, argv
[i
]);
10661 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
) != JIM_OK
) {
10663 Jim_FreeNewObj(interp
, stringObjPtr
);
10666 Jim_SetResult(interp
, stringObjPtr
);
10671 static int Jim_DebugCoreCommand(Jim_Interp
*interp
, int argc
,
10672 Jim_Obj
*const *argv
)
10674 const char *options
[] = {
10675 "refcount", "objcount", "objects", "invstr", "scriptlen", "exprlen",
10680 OPT_REFCOUNT
, OPT_OBJCOUNT
, OPT_OBJECTS
, OPT_INVSTR
, OPT_SCRIPTLEN
,
10681 OPT_EXPRLEN
, OPT_EXPRBC
10686 Jim_WrongNumArgs(interp
, 1, argv
, "option ?...?");
10689 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
10690 JIM_ERRMSG
) != JIM_OK
)
10692 if (option
== OPT_REFCOUNT
) {
10694 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10697 Jim_SetResult(interp
, Jim_NewIntObj(interp
, argv
[2]->refCount
));
10699 } else if (option
== OPT_OBJCOUNT
) {
10700 int freeobj
= 0, liveobj
= 0;
10705 Jim_WrongNumArgs(interp
, 2, argv
, "");
10708 /* Count the number of free objects. */
10709 objPtr
= interp
->freeList
;
10712 objPtr
= objPtr
->nextObjPtr
;
10714 /* Count the number of live objects. */
10715 objPtr
= interp
->liveList
;
10718 objPtr
= objPtr
->nextObjPtr
;
10720 /* Set the result string and return. */
10721 sprintf(buf
, "free %d used %d", freeobj
, liveobj
);
10722 Jim_SetResultString(interp
, buf
, -1);
10724 } else if (option
== OPT_OBJECTS
) {
10725 Jim_Obj
*objPtr
, *listObjPtr
, *subListObjPtr
;
10726 /* Count the number of live objects. */
10727 objPtr
= interp
->liveList
;
10728 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10731 const char *type
= objPtr
->typePtr
?
10732 objPtr
->typePtr
->name
: "";
10733 subListObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10734 sprintf(buf
, "%p", objPtr
);
10735 Jim_ListAppendElement(interp
, subListObjPtr
,
10736 Jim_NewStringObj(interp
, buf
, -1));
10737 Jim_ListAppendElement(interp
, subListObjPtr
,
10738 Jim_NewStringObj(interp
, type
, -1));
10739 Jim_ListAppendElement(interp
, subListObjPtr
,
10740 Jim_NewIntObj(interp
, objPtr
->refCount
));
10741 Jim_ListAppendElement(interp
, subListObjPtr
, objPtr
);
10742 Jim_ListAppendElement(interp
, listObjPtr
, subListObjPtr
);
10743 objPtr
= objPtr
->nextObjPtr
;
10745 Jim_SetResult(interp
, listObjPtr
);
10747 } else if (option
== OPT_INVSTR
) {
10751 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10755 if (objPtr
->typePtr
!= NULL
)
10756 Jim_InvalidateStringRep(objPtr
);
10757 Jim_SetEmptyResult(interp
);
10759 } else if (option
== OPT_SCRIPTLEN
) {
10762 Jim_WrongNumArgs(interp
, 2, argv
, "script");
10765 script
= Jim_GetScript(interp
, argv
[2]);
10766 Jim_SetResult(interp
, Jim_NewIntObj(interp
, script
->len
));
10768 } else if (option
== OPT_EXPRLEN
) {
10769 ExprByteCode
*expr
;
10771 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10774 expr
= Jim_GetExpression(interp
, argv
[2]);
10777 Jim_SetResult(interp
, Jim_NewIntObj(interp
, expr
->len
));
10779 } else if (option
== OPT_EXPRBC
) {
10781 ExprByteCode
*expr
;
10785 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10788 expr
= Jim_GetExpression(interp
, argv
[2]);
10791 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
10792 for (i
= 0; i
< expr
->len
; i
++) {
10794 Jim_ExprOperator
*op
;
10796 switch(expr
->opcode
[i
]) {
10797 case JIM_EXPROP_NUMBER
: type
= "number"; break;
10798 case JIM_EXPROP_COMMAND
: type
= "command"; break;
10799 case JIM_EXPROP_VARIABLE
: type
= "variable"; break;
10800 case JIM_EXPROP_DICTSUGAR
: type
= "dictsugar"; break;
10801 case JIM_EXPROP_SUBST
: type
= "subst"; break;
10802 case JIM_EXPROP_STRING
: type
= "string"; break;
10804 op
= JimExprOperatorInfo(Jim_GetString(expr
->obj
[i
], NULL
));
10812 Jim_ListAppendElement(interp
, objPtr
,
10813 Jim_NewStringObj(interp
, type
, -1));
10814 Jim_ListAppendElement(interp
, objPtr
, expr
->obj
[i
]);
10816 Jim_SetResult(interp
, objPtr
);
10819 Jim_SetResultString(interp
,
10820 "bad option. Valid options are refcount, "
10821 "objcount, objects, invstr", -1);
10824 return JIM_OK
; /* unreached */
10828 static int Jim_EvalCoreCommand(Jim_Interp
*interp
, int argc
,
10829 Jim_Obj
*const *argv
)
10832 return Jim_EvalObj(interp
, argv
[1]);
10833 } else if (argc
> 2) {
10837 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10838 Jim_IncrRefCount(objPtr
);
10839 retcode
= Jim_EvalObj(interp
, objPtr
);
10840 Jim_DecrRefCount(interp
, objPtr
);
10843 Jim_WrongNumArgs(interp
, 1, argv
, "script ?...?");
10849 static int Jim_UplevelCoreCommand(Jim_Interp
*interp
, int argc
,
10850 Jim_Obj
*const *argv
)
10853 int retcode
, newLevel
, oldLevel
;
10854 Jim_CallFrame
*savedCallFrame
, *targetCallFrame
;
10858 /* Save the old callframe pointer */
10859 savedCallFrame
= interp
->framePtr
;
10861 /* Lookup the target frame pointer */
10862 str
= Jim_GetString(argv
[1], NULL
);
10863 if ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#')
10865 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
10867 &newLevel
) != JIM_OK
)
10872 if (Jim_GetCallFrameByLevel(interp
, NULL
,
10874 &newLevel
) != JIM_OK
)
10880 Jim_WrongNumArgs(interp
, 1, argv
,
10881 "?level? command ?arg ...?");
10884 /* Eval the code in the target callframe. */
10885 interp
->framePtr
= targetCallFrame
;
10886 oldLevel
= interp
->numLevels
;
10887 interp
->numLevels
= newLevel
;
10889 retcode
= Jim_EvalObj(interp
, argv
[1]);
10891 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10892 Jim_IncrRefCount(objPtr
);
10893 retcode
= Jim_EvalObj(interp
, objPtr
);
10894 Jim_DecrRefCount(interp
, objPtr
);
10896 interp
->numLevels
= oldLevel
;
10897 interp
->framePtr
= savedCallFrame
;
10900 Jim_WrongNumArgs(interp
, 1, argv
, "?level? command ?arg ...?");
10906 static int Jim_ExprCoreCommand(Jim_Interp
*interp
, int argc
,
10907 Jim_Obj
*const *argv
)
10909 Jim_Obj
*exprResultPtr
;
10913 retcode
= Jim_EvalExpression(interp
, argv
[1], &exprResultPtr
);
10914 } else if (argc
> 2) {
10917 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10918 Jim_IncrRefCount(objPtr
);
10919 retcode
= Jim_EvalExpression(interp
, objPtr
, &exprResultPtr
);
10920 Jim_DecrRefCount(interp
, objPtr
);
10922 Jim_WrongNumArgs(interp
, 1, argv
, "expression ?...?");
10925 if (retcode
!= JIM_OK
) return retcode
;
10926 Jim_SetResult(interp
, exprResultPtr
);
10927 Jim_DecrRefCount(interp
, exprResultPtr
);
10932 static int Jim_BreakCoreCommand(Jim_Interp
*interp
, int argc
,
10933 Jim_Obj
*const *argv
)
10936 Jim_WrongNumArgs(interp
, 1, argv
, "");
10943 static int Jim_ContinueCoreCommand(Jim_Interp
*interp
, int argc
,
10944 Jim_Obj
*const *argv
)
10947 Jim_WrongNumArgs(interp
, 1, argv
, "");
10950 return JIM_CONTINUE
;
10954 static int Jim_ReturnCoreCommand(Jim_Interp
*interp
, int argc
,
10955 Jim_Obj
*const *argv
)
10959 } else if (argc
== 2) {
10960 Jim_SetResult(interp
, argv
[1]);
10961 interp
->returnCode
= JIM_OK
;
10963 } else if (argc
== 3 || argc
== 4) {
10965 if (Jim_GetReturnCode(interp
, argv
[2], &returnCode
) == JIM_ERR
)
10967 interp
->returnCode
= returnCode
;
10969 Jim_SetResult(interp
, argv
[3]);
10972 Jim_WrongNumArgs(interp
, 1, argv
, "?-code code? ?result?");
10975 return JIM_RETURN
; /* unreached */
10979 static int Jim_TailcallCoreCommand(Jim_Interp
*interp
, int argc
,
10980 Jim_Obj
*const *argv
)
10984 objPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10985 Jim_SetResult(interp
, objPtr
);
10990 static int Jim_ProcCoreCommand(Jim_Interp
*interp
, int argc
,
10991 Jim_Obj
*const *argv
)
10994 int arityMin
, arityMax
;
10996 if (argc
!= 4 && argc
!= 5) {
10997 Jim_WrongNumArgs(interp
, 1, argv
, "name arglist ?statics? body");
11000 Jim_ListLength(interp
, argv
[2], &argListLen
);
11001 arityMin
= arityMax
= argListLen
+1;
11008 /* Check for 'args' and adjust arityMin and arityMax if necessary */
11009 Jim_ListIndex(interp
, argv
[2], argListLen
-1, &argPtr
, JIM_NONE
);
11010 str
= Jim_GetString(argPtr
, &len
);
11011 if (len
== 4 && memcmp(str
, "args", 4) == 0) {
11016 /* Check for default arguments and reduce arityMin if necessary */
11017 while (arityMin
> 1) {
11019 Jim_ListIndex(interp
, argv
[2], arityMin
- 2, &argPtr
, JIM_NONE
);
11020 Jim_ListLength(interp
, argPtr
, &len
);
11022 /* No default argument */
11029 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
11030 argv
[2], NULL
, argv
[3], arityMin
, arityMax
);
11032 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
11033 argv
[2], argv
[3], argv
[4], arityMin
, arityMax
);
11038 static int Jim_ConcatCoreCommand(Jim_Interp
*interp
, int argc
,
11039 Jim_Obj
*const *argv
)
11041 Jim_SetResult(interp
, Jim_ConcatObj(interp
, argc
-1, argv
+1));
11046 static int Jim_UpvarCoreCommand(Jim_Interp
*interp
, int argc
,
11047 Jim_Obj
*const *argv
)
11051 Jim_CallFrame
*targetCallFrame
;
11053 /* Lookup the target frame pointer */
11054 str
= Jim_GetString(argv
[1], NULL
);
11056 ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#'))
11058 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
11059 &targetCallFrame
, NULL
) != JIM_OK
)
11064 if (Jim_GetCallFrameByLevel(interp
, NULL
,
11065 &targetCallFrame
, NULL
) != JIM_OK
)
11068 /* Check for arity */
11069 if (argc
< 3 || ((argc
-1)%2) != 0) {
11070 Jim_WrongNumArgs(interp
, 1, argv
, "?level? otherVar localVar ?otherVar localVar ...?");
11073 /* Now... for every other/local couple: */
11074 for (i
= 1; i
< argc
; i
+= 2) {
11075 if (Jim_SetVariableLink(interp
, argv
[i
+1], argv
[i
],
11076 targetCallFrame
) != JIM_OK
) return JIM_ERR
;
11082 static int Jim_GlobalCoreCommand(Jim_Interp
*interp
, int argc
,
11083 Jim_Obj
*const *argv
)
11088 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
11091 /* Link every var to the toplevel having the same name */
11092 if (interp
->numLevels
== 0) return JIM_OK
; /* global at toplevel... */
11093 for (i
= 1; i
< argc
; i
++) {
11094 if (Jim_SetVariableLink(interp
, argv
[i
], argv
[i
],
11095 interp
->topFramePtr
) != JIM_OK
) return JIM_ERR
;
11100 /* does the [string map] operation. On error NULL is returned,
11101 * otherwise a new string object with the result, having refcount = 0,
11103 static Jim_Obj
*JimStringMap(Jim_Interp
*interp
, Jim_Obj
*mapListObjPtr
,
11104 Jim_Obj
*objPtr
, int nocase
)
11107 const char **key
, *str
, *noMatchStart
= NULL
;
11109 int *keyLen
, strLen
, i
;
11110 Jim_Obj
*resultObjPtr
;
11112 Jim_ListLength(interp
, mapListObjPtr
, &numMaps
);
11114 Jim_SetResultString(interp
,
11115 "list must contain an even number of elements", -1);
11118 /* Initialization */
11120 key
= Jim_Alloc(sizeof(char*)*numMaps
);
11121 keyLen
= Jim_Alloc(sizeof(int)*numMaps
);
11122 value
= Jim_Alloc(sizeof(Jim_Obj
*)*numMaps
);
11123 resultObjPtr
= Jim_NewStringObj(interp
, "", 0);
11124 for (i
= 0; i
< numMaps
; i
++) {
11125 Jim_Obj
*eleObjPtr
;
11127 Jim_ListIndex(interp
, mapListObjPtr
, i
*2, &eleObjPtr
, JIM_NONE
);
11128 key
[i
] = Jim_GetString(eleObjPtr
, &keyLen
[i
]);
11129 Jim_ListIndex(interp
, mapListObjPtr
, i
*2+1, &eleObjPtr
, JIM_NONE
);
11130 value
[i
] = eleObjPtr
;
11132 str
= Jim_GetString(objPtr
, &strLen
);
11135 for (i
= 0; i
< numMaps
; i
++) {
11136 if (strLen
>= keyLen
[i
] && keyLen
[i
]) {
11137 if (!JimStringCompare(str
, keyLen
[i
], key
[i
], keyLen
[i
],
11140 if (noMatchStart
) {
11141 Jim_AppendString(interp
, resultObjPtr
,
11142 noMatchStart
, str
-noMatchStart
);
11143 noMatchStart
= NULL
;
11145 Jim_AppendObj(interp
, resultObjPtr
, value
[i
]);
11147 strLen
-= keyLen
[i
];
11152 if (i
== numMaps
) { /* no match */
11153 if (noMatchStart
== NULL
)
11154 noMatchStart
= str
;
11159 if (noMatchStart
) {
11160 Jim_AppendString(interp
, resultObjPtr
,
11161 noMatchStart
, str
-noMatchStart
);
11163 Jim_Free((void*)key
);
11166 return resultObjPtr
;
11170 static int Jim_StringCoreCommand(Jim_Interp
*interp
, int argc
,
11171 Jim_Obj
*const *argv
)
11174 const char *options
[] = {
11175 "length", "compare", "match", "equal", "range", "map", "repeat",
11176 "index", "first", "tolower", "toupper", NULL
11179 OPT_LENGTH
, OPT_COMPARE
, OPT_MATCH
, OPT_EQUAL
, OPT_RANGE
,
11180 OPT_MAP
, OPT_REPEAT
, OPT_INDEX
, OPT_FIRST
, OPT_TOLOWER
, OPT_TOUPPER
11184 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11187 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11188 JIM_ERRMSG
) != JIM_OK
)
11191 if (option
== OPT_LENGTH
) {
11195 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11198 Jim_GetString(argv
[2], &len
);
11199 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
11201 } else if (option
== OPT_COMPARE
) {
11203 if ((argc
!= 4 && argc
!= 5) ||
11204 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11205 argv
[2], "-nocase") == 0)) {
11206 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11213 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11214 Jim_StringCompareObj(argv
[2],
11215 argv
[3], nocase
)));
11217 } else if (option
== OPT_MATCH
) {
11219 if ((argc
!= 4 && argc
!= 5) ||
11220 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11221 argv
[2], "-nocase") == 0)) {
11222 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? pattern "
11230 Jim_SetResult(interp
,
11231 Jim_NewIntObj(interp
, Jim_StringMatchObj(argv
[2],
11232 argv
[3], nocase
)));
11234 } else if (option
== OPT_EQUAL
) {
11236 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11239 Jim_SetResult(interp
,
11240 Jim_NewIntObj(interp
, Jim_StringEqObj(argv
[2],
11243 } else if (option
== OPT_RANGE
) {
11247 Jim_WrongNumArgs(interp
, 2, argv
, "string first last");
11250 objPtr
= Jim_StringRangeObj(interp
, argv
[2], argv
[3], argv
[4]);
11251 if (objPtr
== NULL
)
11253 Jim_SetResult(interp
, objPtr
);
11255 } else if (option
== OPT_MAP
) {
11259 if ((argc
!= 4 && argc
!= 5) ||
11260 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11261 argv
[2], "-nocase") == 0)) {
11262 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? mapList "
11270 objPtr
= JimStringMap(interp
, argv
[2], argv
[3], nocase
);
11271 if (objPtr
== NULL
)
11273 Jim_SetResult(interp
, objPtr
);
11275 } else if (option
== OPT_REPEAT
) {
11280 Jim_WrongNumArgs(interp
, 2, argv
, "string count");
11283 if (Jim_GetWide(interp
, argv
[3], &count
) != JIM_OK
)
11285 objPtr
= Jim_NewStringObj(interp
, "", 0);
11287 Jim_AppendObj(interp
, objPtr
, argv
[2]);
11289 Jim_SetResult(interp
, objPtr
);
11291 } else if (option
== OPT_INDEX
) {
11296 Jim_WrongNumArgs(interp
, 2, argv
, "string index");
11299 if (Jim_GetIndex(interp
, argv
[3], &index
) != JIM_OK
)
11301 str
= Jim_GetString(argv
[2], &len
);
11302 if (index
!= INT_MIN
&& index
!= INT_MAX
)
11303 index
= JimRelToAbsIndex(len
, index
);
11304 if (index
< 0 || index
>= len
) {
11305 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11308 Jim_SetResult(interp
, Jim_NewStringObj(interp
, str
+index
, 1));
11311 } else if (option
== OPT_FIRST
) {
11312 int index
= 0, l1
, l2
;
11313 const char *s1
, *s2
;
11315 if (argc
!= 4 && argc
!= 5) {
11316 Jim_WrongNumArgs(interp
, 2, argv
, "subString string ?startIndex?");
11319 s1
= Jim_GetString(argv
[2], &l1
);
11320 s2
= Jim_GetString(argv
[3], &l2
);
11322 if (Jim_GetIndex(interp
, argv
[4], &index
) != JIM_OK
)
11324 index
= JimRelToAbsIndex(l2
, index
);
11326 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11327 JimStringFirst(s1
, l1
, s2
, l2
, index
)));
11329 } else if (option
== OPT_TOLOWER
) {
11331 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11334 Jim_SetResult(interp
, JimStringToLower(interp
, argv
[2]));
11335 } else if (option
== OPT_TOUPPER
) {
11337 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11340 Jim_SetResult(interp
, JimStringToUpper(interp
, argv
[2]));
11346 static int Jim_TimeCoreCommand(Jim_Interp
*interp
, int argc
,
11347 Jim_Obj
*const *argv
)
11350 jim_wide start
, elapsed
;
11352 const char *fmt
= "%" JIM_WIDE_MODIFIER
" microseconds per iteration";
11355 Jim_WrongNumArgs(interp
, 1, argv
, "script ?count?");
11359 if (Jim_GetLong(interp
, argv
[2], &count
) != JIM_OK
)
11365 start
= JimClock();
11369 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
11372 elapsed
= JimClock() - start
;
11373 sprintf(buf
, fmt
, elapsed
/count
);
11374 Jim_SetResultString(interp
, buf
, -1);
11379 static int Jim_ExitCoreCommand(Jim_Interp
*interp
, int argc
,
11380 Jim_Obj
*const *argv
)
11385 Jim_WrongNumArgs(interp
, 1, argv
, "?exitCode?");
11389 if (Jim_GetLong(interp
, argv
[1], &exitCode
) != JIM_OK
)
11392 interp
->exitCode
= exitCode
;
11397 static int Jim_CatchCoreCommand(Jim_Interp
*interp
, int argc
,
11398 Jim_Obj
*const *argv
)
11402 if (argc
!= 2 && argc
!= 3) {
11403 Jim_WrongNumArgs(interp
, 1, argv
, "script ?varName?");
11406 exitCode
= Jim_EvalObj(interp
, argv
[1]);
11408 if (Jim_SetVariable(interp
, argv
[2], Jim_GetResult(interp
))
11412 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exitCode
));
11417 static int Jim_RefCoreCommand(Jim_Interp
*interp
, int argc
,
11418 Jim_Obj
*const *argv
)
11420 if (argc
!= 3 && argc
!= 4) {
11421 Jim_WrongNumArgs(interp
, 1, argv
, "string tag ?finalizer?");
11425 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2], NULL
));
11427 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2],
11434 static int Jim_GetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11435 Jim_Obj
*const *argv
)
11437 Jim_Reference
*refPtr
;
11440 Jim_WrongNumArgs(interp
, 1, argv
, "reference");
11443 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11445 Jim_SetResult(interp
, refPtr
->objPtr
);
11450 static int Jim_SetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11451 Jim_Obj
*const *argv
)
11453 Jim_Reference
*refPtr
;
11456 Jim_WrongNumArgs(interp
, 1, argv
, "reference newValue");
11459 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11461 Jim_IncrRefCount(argv
[2]);
11462 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
11463 refPtr
->objPtr
= argv
[2];
11464 Jim_SetResult(interp
, argv
[2]);
11469 static int Jim_CollectCoreCommand(Jim_Interp
*interp
, int argc
,
11470 Jim_Obj
*const *argv
)
11473 Jim_WrongNumArgs(interp
, 1, argv
, "");
11476 Jim_SetResult(interp
, Jim_NewIntObj(interp
, Jim_Collect(interp
)));
11480 /* [finalize] reference ?newValue? */
11481 static int Jim_FinalizeCoreCommand(Jim_Interp
*interp
, int argc
,
11482 Jim_Obj
*const *argv
)
11484 if (argc
!= 2 && argc
!= 3) {
11485 Jim_WrongNumArgs(interp
, 1, argv
, "reference ?finalizerProc?");
11489 Jim_Obj
*cmdNamePtr
;
11491 if (Jim_GetFinalizer(interp
, argv
[1], &cmdNamePtr
) != JIM_OK
)
11493 if (cmdNamePtr
!= NULL
) /* otherwise the null string is returned. */
11494 Jim_SetResult(interp
, cmdNamePtr
);
11496 if (Jim_SetFinalizer(interp
, argv
[1], argv
[2]) != JIM_OK
)
11498 Jim_SetResult(interp
, argv
[2]);
11504 /* [info references] (list of all the references/finalizers) */
11507 static int Jim_RenameCoreCommand(Jim_Interp
*interp
, int argc
,
11508 Jim_Obj
*const *argv
)
11510 const char *oldName
, *newName
;
11513 Jim_WrongNumArgs(interp
, 1, argv
, "oldName newName");
11516 oldName
= Jim_GetString(argv
[1], NULL
);
11517 newName
= Jim_GetString(argv
[2], NULL
);
11518 if (Jim_RenameCommand(interp
, oldName
, newName
) != JIM_OK
) {
11519 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11520 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11521 "can't rename \"", oldName
, "\": ",
11522 "command doesn't exist", NULL
);
11529 static int Jim_DictCoreCommand(Jim_Interp
*interp
, int argc
,
11530 Jim_Obj
*const *argv
)
11533 const char *options
[] = {
11534 "create", "get", "set", "unset", "exists", NULL
11537 OPT_CREATE
, OPT_GET
, OPT_SET
, OPT_UNSET
, OPT_EXIST
11541 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11545 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11546 JIM_ERRMSG
) != JIM_OK
)
11549 if (option
== OPT_CREATE
) {
11553 Jim_WrongNumArgs(interp
, 2, argv
, "?key value ...?");
11556 objPtr
= Jim_NewDictObj(interp
, argv
+2, argc
-2);
11557 Jim_SetResult(interp
, objPtr
);
11559 } else if (option
== OPT_GET
) {
11562 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11563 JIM_ERRMSG
) != JIM_OK
)
11565 Jim_SetResult(interp
, objPtr
);
11567 } else if (option
== OPT_SET
) {
11569 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...? value");
11572 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-4,
11574 } else if (option
== OPT_UNSET
) {
11576 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...?");
11579 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-3,
11581 } else if (option
== OPT_EXIST
) {
11585 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11586 JIM_ERRMSG
) == JIM_OK
)
11590 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
));
11593 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11594 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11595 "bad option \"", Jim_GetString(argv
[1], NULL
), "\":",
11596 " must be create, get, set", NULL
);
11603 static int Jim_LoadCoreCommand(Jim_Interp
*interp
, int argc
,
11604 Jim_Obj
*const *argv
)
11607 Jim_WrongNumArgs(interp
, 1, argv
, "libaryFile");
11610 return Jim_LoadLibrary(interp
, Jim_GetString(argv
[1], NULL
));
11614 static int Jim_SubstCoreCommand(Jim_Interp
*interp
, int argc
,
11615 Jim_Obj
*const *argv
)
11621 Jim_WrongNumArgs(interp
, 1, argv
,
11622 "?-nobackslashes? ?-nocommands? ?-novariables? string");
11627 if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11629 flags
|= JIM_SUBST_NOESC
;
11630 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11632 flags
|= JIM_SUBST_NOVAR
;
11633 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11635 flags
|= JIM_SUBST_NOCMD
;
11637 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11638 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11639 "bad option \"", Jim_GetString(argv
[i
+1], NULL
),
11640 "\": must be -nobackslashes, -nocommands, or "
11641 "-novariables", NULL
);
11645 if (Jim_SubstObj(interp
, argv
[argc
-1], &objPtr
, flags
) != JIM_OK
)
11647 Jim_SetResult(interp
, objPtr
);
11652 static int Jim_InfoCoreCommand(Jim_Interp
*interp
, int argc
,
11653 Jim_Obj
*const *argv
)
11655 int cmd
, result
= JIM_OK
;
11656 static const char *commands
[] = {
11657 "body", "commands", "exists", "globals", "level", "locals",
11658 "vars", "version", "complete", "args", "hostname", NULL
11660 enum {INFO_BODY
, INFO_COMMANDS
, INFO_EXISTS
, INFO_GLOBALS
, INFO_LEVEL
,
11661 INFO_LOCALS
, INFO_VARS
, INFO_VERSION
, INFO_COMPLETE
, INFO_ARGS
, INFO_HOSTNAME
};
11664 Jim_WrongNumArgs(interp
, 1, argv
, "command ?args ...?");
11667 if (Jim_GetEnum(interp
, argv
[1], commands
, &cmd
, "command", JIM_ERRMSG
)
11672 if (cmd
== INFO_COMMANDS
) {
11673 if (argc
!= 2 && argc
!= 3) {
11674 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11678 Jim_SetResult(interp
,JimCommandsList(interp
, argv
[2]));
11680 Jim_SetResult(interp
, JimCommandsList(interp
, NULL
));
11681 } else if (cmd
== INFO_EXISTS
) {
11684 Jim_WrongNumArgs(interp
, 2, argv
, "varName");
11687 exists
= Jim_GetVariable(interp
, argv
[2], 0);
11688 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
!= 0));
11689 } else if (cmd
== INFO_GLOBALS
|| cmd
== INFO_LOCALS
|| cmd
== INFO_VARS
) {
11692 case INFO_GLOBALS
: mode
= JIM_VARLIST_GLOBALS
; break;
11693 case INFO_LOCALS
: mode
= JIM_VARLIST_LOCALS
; break;
11694 case INFO_VARS
: mode
= JIM_VARLIST_VARS
; break;
11695 default: mode
= 0; /* avoid warning */; break;
11697 if (argc
!= 2 && argc
!= 3) {
11698 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11702 Jim_SetResult(interp
,JimVariablesList(interp
, argv
[2], mode
));
11704 Jim_SetResult(interp
, JimVariablesList(interp
, NULL
, mode
));
11705 } else if (cmd
== INFO_LEVEL
) {
11709 Jim_SetResult(interp
,
11710 Jim_NewIntObj(interp
, interp
->numLevels
));
11713 if (JimInfoLevel(interp
, argv
[2], &objPtr
) != JIM_OK
)
11715 Jim_SetResult(interp
, objPtr
);
11718 Jim_WrongNumArgs(interp
, 2, argv
, "?levelNum?");
11721 } else if (cmd
== INFO_BODY
|| cmd
== INFO_ARGS
) {
11725 Jim_WrongNumArgs(interp
, 2, argv
, "procname");
11728 if ((cmdPtr
= Jim_GetCommand(interp
, argv
[2], JIM_ERRMSG
)) == NULL
)
11730 if (cmdPtr
->cmdProc
!= NULL
) {
11731 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11732 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11733 "command \"", Jim_GetString(argv
[2], NULL
),
11734 "\" is not a procedure", NULL
);
11737 if (cmd
== INFO_BODY
)
11738 Jim_SetResult(interp
, cmdPtr
->bodyObjPtr
);
11740 Jim_SetResult(interp
, cmdPtr
->argListObjPtr
);
11741 } else if (cmd
== INFO_VERSION
) {
11742 char buf
[(JIM_INTEGER_SPACE
* 2) + 1];
11743 sprintf(buf
, "%d.%d",
11744 JIM_VERSION
/ 100, JIM_VERSION
% 100);
11745 Jim_SetResultString(interp
, buf
, -1);
11746 } else if (cmd
== INFO_COMPLETE
) {
11751 Jim_WrongNumArgs(interp
, 2, argv
, "script");
11754 s
= Jim_GetString(argv
[2], &len
);
11755 Jim_SetResult(interp
,
11756 Jim_NewIntObj(interp
, Jim_ScriptIsComplete(s
, len
, NULL
)));
11757 } else if (cmd
== INFO_HOSTNAME
) {
11758 /* Redirect to os.hostname if it exists */
11759 Jim_Obj
*command
= Jim_NewStringObj(interp
, "os.gethostname", -1);
11760 result
= Jim_EvalObjVector(interp
, 1, &command
);
11766 static int Jim_SplitCoreCommand(Jim_Interp
*interp
, int argc
,
11767 Jim_Obj
*const *argv
)
11769 const char *str
, *splitChars
, *noMatchStart
;
11770 int splitLen
, strLen
, i
;
11771 Jim_Obj
*resObjPtr
;
11773 if (argc
!= 2 && argc
!= 3) {
11774 Jim_WrongNumArgs(interp
, 1, argv
, "string ?splitChars?");
11779 splitChars
= " \n\t\r";
11782 splitChars
= Jim_GetString(argv
[2], &splitLen
);
11784 str
= Jim_GetString(argv
[1], &strLen
);
11785 if (!strLen
) return JIM_OK
;
11786 noMatchStart
= str
;
11787 resObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11791 for (i
= 0; i
< splitLen
; i
++) {
11792 if (*str
== splitChars
[i
]) {
11795 objPtr
= Jim_NewStringObj(interp
, noMatchStart
,
11796 (str
-noMatchStart
));
11797 Jim_ListAppendElement(interp
, resObjPtr
, objPtr
);
11798 noMatchStart
= str
+1;
11805 Jim_ListAppendElement(interp
, resObjPtr
,
11806 Jim_NewStringObj(interp
, noMatchStart
, (str
-noMatchStart
)));
11808 /* This handles the special case of splitchars eq {}. This
11809 * is trivial but we want to perform object sharing as Tcl does. */
11810 Jim_Obj
*objCache
[256];
11811 const unsigned char *u
= (unsigned char*) str
;
11812 memset(objCache
, 0, sizeof(objCache
));
11813 for (i
= 0; i
< strLen
; i
++) {
11816 if (objCache
[c
] == NULL
)
11817 objCache
[c
] = Jim_NewStringObj(interp
, (char*)u
+i
, 1);
11818 Jim_ListAppendElement(interp
, resObjPtr
, objCache
[c
]);
11821 Jim_SetResult(interp
, resObjPtr
);
11826 static int Jim_JoinCoreCommand(Jim_Interp
*interp
, int argc
,
11827 Jim_Obj
*const *argv
)
11829 const char *joinStr
;
11830 int joinStrLen
, i
, listLen
;
11831 Jim_Obj
*resObjPtr
;
11833 if (argc
!= 2 && argc
!= 3) {
11834 Jim_WrongNumArgs(interp
, 1, argv
, "list ?joinString?");
11842 joinStr
= Jim_GetString(argv
[2], &joinStrLen
);
11844 Jim_ListLength(interp
, argv
[1], &listLen
);
11845 resObjPtr
= Jim_NewStringObj(interp
, NULL
, 0);
11847 for (i
= 0; i
< listLen
; i
++) {
11850 Jim_ListIndex(interp
, argv
[1], i
, &objPtr
, JIM_NONE
);
11851 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
11852 if (i
+1 != listLen
) {
11853 Jim_AppendString(interp
, resObjPtr
, joinStr
, joinStrLen
);
11856 Jim_SetResult(interp
, resObjPtr
);
11861 static int Jim_FormatCoreCommand(Jim_Interp
*interp
, int argc
,
11862 Jim_Obj
*const *argv
)
11867 Jim_WrongNumArgs(interp
, 1, argv
, "formatString ?arg arg ...?");
11870 objPtr
= Jim_FormatString(interp
, argv
[1], argc
-2, argv
+2);
11871 if (objPtr
== NULL
)
11873 Jim_SetResult(interp
, objPtr
);
11878 static int Jim_ScanCoreCommand(Jim_Interp
*interp
, int argc
,
11879 Jim_Obj
*const *argv
)
11881 Jim_Obj
*listPtr
, **outVec
;
11882 int outc
, i
, count
= 0;
11885 Jim_WrongNumArgs(interp
, 1, argv
, "string formatString ?varName ...?");
11888 if (argv
[2]->typePtr
!= &scanFmtStringObjType
)
11889 SetScanFmtFromAny(interp
, argv
[2]);
11890 if (FormatGetError(argv
[2]) != 0) {
11891 Jim_SetResultString(interp
, FormatGetError(argv
[2]), -1);
11895 int maxPos
= FormatGetMaxPos(argv
[2]);
11896 int count
= FormatGetCnvCount(argv
[2]);
11897 if (maxPos
> argc
-3) {
11898 Jim_SetResultString(interp
, "\"%n$\" argument index out of range", -1);
11900 } else if (count
!= 0 && count
< argc
-3) {
11901 Jim_SetResultString(interp
, "variable is not assigned by any "
11902 "conversion specifiers", -1);
11904 } else if (count
> argc
-3) {
11905 Jim_SetResultString(interp
, "different numbers of variable names and "
11906 "field specifiers", -1);
11910 listPtr
= Jim_ScanString(interp
, argv
[1], argv
[2], JIM_ERRMSG
);
11915 if (listPtr
!= 0 && listPtr
!= (Jim_Obj
*)EOF
)
11916 Jim_ListLength(interp
, listPtr
, &len
);
11917 if (listPtr
== (Jim_Obj
*)EOF
|| len
== 0) { // XXX
11918 Jim_SetResult(interp
, Jim_NewIntObj(interp
, -1));
11921 JimListGetElements(interp
, listPtr
, &outc
, &outVec
);
11922 for (i
= 0; i
< outc
; ++i
) {
11923 if (Jim_Length(outVec
[i
]) > 0) {
11925 if (Jim_SetVariable(interp
, argv
[3+i
], outVec
[i
]) != JIM_OK
)
11929 Jim_FreeNewObj(interp
, listPtr
);
11930 Jim_SetResult(interp
, Jim_NewIntObj(interp
, count
));
11932 if (listPtr
== (Jim_Obj
*)EOF
) {
11933 Jim_SetResult(interp
, Jim_NewListObj(interp
, 0, 0));
11936 Jim_SetResult(interp
, listPtr
);
11940 Jim_FreeNewObj(interp
, listPtr
);
11945 static int Jim_ErrorCoreCommand(Jim_Interp
*interp
, int argc
,
11946 Jim_Obj
*const *argv
)
11949 Jim_WrongNumArgs(interp
, 1, argv
, "message");
11952 Jim_SetResult(interp
, argv
[1]);
11957 static int Jim_LrangeCoreCommand(Jim_Interp
*interp
, int argc
,
11958 Jim_Obj
*const *argv
)
11963 Jim_WrongNumArgs(interp
, 1, argv
, "list first last");
11966 if ((objPtr
= Jim_ListRange(interp
, argv
[1], argv
[2], argv
[3])) == NULL
)
11968 Jim_SetResult(interp
, objPtr
);
11973 static int Jim_EnvCoreCommand(Jim_Interp
*interp
, int argc
,
11974 Jim_Obj
*const *argv
)
11981 #ifdef NEED_ENVIRON_EXTERN
11982 extern char **environ
;
11986 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11988 for (i
= 0; environ
[i
]; i
++) {
11989 const char *equals
= strchr(environ
[i
], '=');
11991 Jim_ListAppendElement(interp
, listObjPtr
, Jim_NewStringObj(interp
, environ
[i
], equals
- environ
[i
]));
11992 Jim_ListAppendElement(interp
, listObjPtr
, Jim_NewStringObj(interp
, equals
+ 1, -1));
11996 Jim_SetResult(interp
, listObjPtr
);
12001 Jim_WrongNumArgs(interp
, 1, argv
, "varName");
12004 key
= Jim_GetString(argv
[1], NULL
);
12007 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
12008 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
12009 "environment variable \"",
12010 key
, "\" does not exist", NULL
);
12013 Jim_SetResult(interp
, Jim_NewStringObj(interp
, val
, -1));
12018 static int Jim_SourceCoreCommand(Jim_Interp
*interp
, int argc
,
12019 Jim_Obj
*const *argv
)
12024 Jim_WrongNumArgs(interp
, 1, argv
, "fileName");
12027 retval
= Jim_EvalFile(interp
, Jim_GetString(argv
[1], NULL
));
12028 if (retval
== JIM_ERR
) {
12029 return JIM_ERR_ADDSTACK
;
12031 if (retval
== JIM_RETURN
)
12037 static int Jim_LreverseCoreCommand(Jim_Interp
*interp
, int argc
,
12038 Jim_Obj
*const *argv
)
12040 Jim_Obj
*revObjPtr
, **ele
;
12044 Jim_WrongNumArgs(interp
, 1, argv
, "list");
12047 JimListGetElements(interp
, argv
[1], &len
, &ele
);
12049 revObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
12051 ListAppendElement(revObjPtr
, ele
[len
--]);
12052 Jim_SetResult(interp
, revObjPtr
);
12056 static int JimRangeLen(jim_wide start
, jim_wide end
, jim_wide step
)
12060 if (step
== 0) return -1;
12061 if (start
== end
) return 0;
12062 else if (step
> 0 && start
> end
) return -1;
12063 else if (step
< 0 && end
> start
) return -1;
12065 if (len
< 0) len
= -len
; /* abs(len) */
12066 if (step
< 0) step
= -step
; /* abs(step) */
12067 len
= 1 + ((len
-1)/step
);
12068 /* We can truncate safely to INT_MAX, the range command
12069 * will always return an error for a such long range
12070 * because Tcl lists can't be so long. */
12071 if (len
> INT_MAX
) len
= INT_MAX
;
12072 return (int)((len
< 0) ? -1 : len
);
12076 static int Jim_RangeCoreCommand(Jim_Interp
*interp
, int argc
,
12077 Jim_Obj
*const *argv
)
12079 jim_wide start
= 0, end
, step
= 1;
12083 if (argc
< 2 || argc
> 4) {
12084 Jim_WrongNumArgs(interp
, 1, argv
, "?start? end ?step?");
12088 if (Jim_GetWide(interp
, argv
[1], &end
) != JIM_OK
)
12091 if (Jim_GetWide(interp
, argv
[1], &start
) != JIM_OK
||
12092 Jim_GetWide(interp
, argv
[2], &end
) != JIM_OK
)
12094 if (argc
== 4 && Jim_GetWide(interp
, argv
[3], &step
) != JIM_OK
)
12097 if ((len
= JimRangeLen(start
, end
, step
)) == -1) {
12098 Jim_SetResultString(interp
, "Invalid (infinite?) range specified", -1);
12101 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
12102 for (i
= 0; i
< len
; i
++)
12103 ListAppendElement(objPtr
, Jim_NewIntObj(interp
, start
+i
*step
));
12104 Jim_SetResult(interp
, objPtr
);
12109 static int Jim_RandCoreCommand(Jim_Interp
*interp
, int argc
,
12110 Jim_Obj
*const *argv
)
12112 jim_wide min
= 0, max
, len
, maxMul
;
12114 if (argc
< 1 || argc
> 3) {
12115 Jim_WrongNumArgs(interp
, 1, argv
, "?min? max");
12119 max
= JIM_WIDE_MAX
;
12120 } else if (argc
== 2) {
12121 if (Jim_GetWide(interp
, argv
[1], &max
) != JIM_OK
)
12123 } else if (argc
== 3) {
12124 if (Jim_GetWide(interp
, argv
[1], &min
) != JIM_OK
||
12125 Jim_GetWide(interp
, argv
[2], &max
) != JIM_OK
)
12130 Jim_SetResultString(interp
, "Invalid arguments (max < min)", -1);
12133 maxMul
= JIM_WIDE_MAX
- (len
? (JIM_WIDE_MAX
%len
) : 0);
12137 JimRandomBytes(interp
, &r
, sizeof(jim_wide
));
12138 if (r
< 0 || r
>= maxMul
) continue;
12139 r
= (len
== 0) ? 0 : r
%len
;
12140 Jim_SetResult(interp
, Jim_NewIntObj(interp
, min
+r
));
12146 static int Jim_PackageCoreCommand(Jim_Interp
*interp
, int argc
,
12147 Jim_Obj
*const *argv
)
12150 const char *options
[] = {
12151 "require", "provide", NULL
12153 enum {OPT_REQUIRE
, OPT_PROVIDE
};
12156 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
12159 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
12160 JIM_ERRMSG
) != JIM_OK
)
12163 if (option
== OPT_REQUIRE
) {
12167 if (Jim_CompareStringImmediate(interp
, argv
[2], "-exact")) {
12172 if (argc
!= 3 && argc
!= 4) {
12173 Jim_WrongNumArgs(interp
, 2, argv
, "?-exact? package ?version?");
12176 ver
= Jim_PackageRequire(interp
, Jim_GetString(argv
[2], NULL
),
12177 argc
== 4 ? Jim_GetString(argv
[3], NULL
) : "",
12180 return JIM_ERR_ADDSTACK
;
12181 Jim_SetResultString(interp
, ver
, -1);
12182 } else if (option
== OPT_PROVIDE
) {
12184 Jim_WrongNumArgs(interp
, 2, argv
, "package version");
12187 return Jim_PackageProvide(interp
, Jim_GetString(argv
[2], NULL
),
12188 Jim_GetString(argv
[3], NULL
), JIM_ERRMSG
);
12195 Jim_CmdProc cmdProc
;
12196 } Jim_CoreCommandsTable
[] = {
12197 {"set", Jim_SetCoreCommand
},
12198 {"unset", Jim_UnsetCoreCommand
},
12199 {"puts", Jim_PutsCoreCommand
},
12200 {"+", Jim_AddCoreCommand
},
12201 {"*", Jim_MulCoreCommand
},
12202 {"-", Jim_SubCoreCommand
},
12203 {"/", Jim_DivCoreCommand
},
12204 {"incr", Jim_IncrCoreCommand
},
12205 {"while", Jim_WhileCoreCommand
},
12206 {"for", Jim_ForCoreCommand
},
12207 {"foreach", Jim_ForeachCoreCommand
},
12208 {"lmap", Jim_LmapCoreCommand
},
12209 {"if", Jim_IfCoreCommand
},
12210 {"switch", Jim_SwitchCoreCommand
},
12211 {"list", Jim_ListCoreCommand
},
12212 {"lindex", Jim_LindexCoreCommand
},
12213 {"lset", Jim_LsetCoreCommand
},
12214 {"llength", Jim_LlengthCoreCommand
},
12215 {"lappend", Jim_LappendCoreCommand
},
12216 {"linsert", Jim_LinsertCoreCommand
},
12217 {"lsort", Jim_LsortCoreCommand
},
12218 {"append", Jim_AppendCoreCommand
},
12219 {"debug", Jim_DebugCoreCommand
},
12220 {"eval", Jim_EvalCoreCommand
},
12221 {"uplevel", Jim_UplevelCoreCommand
},
12222 {"expr", Jim_ExprCoreCommand
},
12223 {"break", Jim_BreakCoreCommand
},
12224 {"continue", Jim_ContinueCoreCommand
},
12225 {"proc", Jim_ProcCoreCommand
},
12226 {"concat", Jim_ConcatCoreCommand
},
12227 {"return", Jim_ReturnCoreCommand
},
12228 {"upvar", Jim_UpvarCoreCommand
},
12229 {"global", Jim_GlobalCoreCommand
},
12230 {"string", Jim_StringCoreCommand
},
12231 {"time", Jim_TimeCoreCommand
},
12232 {"exit", Jim_ExitCoreCommand
},
12233 {"catch", Jim_CatchCoreCommand
},
12234 {"ref", Jim_RefCoreCommand
},
12235 {"getref", Jim_GetrefCoreCommand
},
12236 {"setref", Jim_SetrefCoreCommand
},
12237 {"finalize", Jim_FinalizeCoreCommand
},
12238 {"collect", Jim_CollectCoreCommand
},
12239 {"rename", Jim_RenameCoreCommand
},
12240 {"dict", Jim_DictCoreCommand
},
12241 {"load", Jim_LoadCoreCommand
},
12242 {"subst", Jim_SubstCoreCommand
},
12243 {"info", Jim_InfoCoreCommand
},
12244 {"split", Jim_SplitCoreCommand
},
12245 {"join", Jim_JoinCoreCommand
},
12246 {"format", Jim_FormatCoreCommand
},
12247 {"scan", Jim_ScanCoreCommand
},
12248 {"error", Jim_ErrorCoreCommand
},
12249 {"lrange", Jim_LrangeCoreCommand
},
12250 {"env", Jim_EnvCoreCommand
},
12251 {"source", Jim_SourceCoreCommand
},
12252 {"lreverse", Jim_LreverseCoreCommand
},
12253 {"range", Jim_RangeCoreCommand
},
12254 {"rand", Jim_RandCoreCommand
},
12255 {"package", Jim_PackageCoreCommand
},
12256 {"tailcall", Jim_TailcallCoreCommand
},
12260 /* Some Jim core command is actually a procedure written in Jim itself. */
12261 static void Jim_RegisterCoreProcedures(Jim_Interp
*interp
)
12263 Jim_Eval(interp
, (char*)
12264 "proc lambda {arglist args} {\n"
12265 " set name [ref {} function lambdaFinalizer]\n"
12266 " uplevel 1 [list proc $name $arglist {expand}$args]\n"
12269 "proc lambdaFinalizer {name val} {\n"
12270 " rename $name {}\n"
12275 void Jim_RegisterCoreCommands(Jim_Interp
*interp
)
12279 while(Jim_CoreCommandsTable
[i
].name
!= NULL
) {
12280 Jim_CreateCommand(interp
,
12281 Jim_CoreCommandsTable
[i
].name
,
12282 Jim_CoreCommandsTable
[i
].cmdProc
,
12286 Jim_RegisterCoreProcedures(interp
);
12289 /* -----------------------------------------------------------------------------
12290 * Interactive prompt
12291 * ---------------------------------------------------------------------------*/
12292 void Jim_PrintErrorMessage(Jim_Interp
*interp
)
12296 if (*interp
->errorFileName
) {
12297 Jim_fprintf(interp
, interp
->cookie_stderr
, "Runtime error, file \"%s\", line %d:" JIM_NL
" ",
12298 interp
->errorFileName
, interp
->errorLine
);
12300 Jim_fprintf(interp
,interp
->cookie_stderr
, "%s" JIM_NL
,
12301 Jim_GetString(interp
->result
, NULL
));
12302 Jim_ListLength(interp
, interp
->stackTrace
, &len
);
12303 for (i
= len
-3; i
>= 0; i
-= 3) {
12305 const char *proc
, *file
, *line
;
12307 Jim_ListIndex(interp
, interp
->stackTrace
, i
, &objPtr
, JIM_NONE
);
12308 proc
= Jim_GetString(objPtr
, NULL
);
12309 Jim_ListIndex(interp
, interp
->stackTrace
, i
+1, &objPtr
,
12311 file
= Jim_GetString(objPtr
, NULL
);
12312 Jim_ListIndex(interp
, interp
->stackTrace
, i
+2, &objPtr
,
12314 line
= Jim_GetString(objPtr
, NULL
);
12316 Jim_fprintf( interp
, interp
->cookie_stderr
,
12317 "in procedure '%s' ", proc
);
12320 Jim_fprintf( interp
, interp
->cookie_stderr
,
12321 "called at file \"%s\", line %s",
12324 if (*file
|| *proc
) {
12325 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
);
12330 int Jim_InteractivePrompt(Jim_Interp
*interp
)
12332 int retcode
= JIM_OK
;
12333 Jim_Obj
*scriptObjPtr
;
12335 Jim_fprintf(interp
,interp
->cookie_stdout
, "Welcome to Jim version %d.%d, "
12336 "Copyright (c) 2005-8 Salvatore Sanfilippo" JIM_NL
,
12337 JIM_VERSION
/ 100, JIM_VERSION
% 100);
12338 Jim_SetVariableStrWithStr(interp
, "jim_interactive", "1");
12341 const char *result
;
12342 const char *retcodestr
[] = {
12343 "ok", "error", "return", "break", "continue", "eval", "exit"
12347 if (retcode
!= 0) {
12348 if (retcode
>= 2 && retcode
<= 6)
12349 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%s] . ", retcodestr
[retcode
]);
12351 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%d] . ", retcode
);
12353 Jim_fprintf( interp
, interp
->cookie_stdout
, ". ");
12354 Jim_fflush( interp
, interp
->cookie_stdout
);
12355 scriptObjPtr
= Jim_NewStringObj(interp
, "", 0);
12356 Jim_IncrRefCount(scriptObjPtr
);
12362 if ( Jim_fgets(interp
, buf
, 1024, interp
->cookie_stdin
) == NULL
) {
12363 Jim_DecrRefCount(interp
, scriptObjPtr
);
12366 Jim_AppendString(interp
, scriptObjPtr
, buf
, -1);
12367 str
= Jim_GetString(scriptObjPtr
, &len
);
12368 if (Jim_ScriptIsComplete(str
, len
, &state
))
12370 Jim_fprintf( interp
, interp
->cookie_stdout
, "%c> ", state
);
12371 Jim_fflush( interp
, interp
->cookie_stdout
);
12373 retcode
= Jim_EvalObj(interp
, scriptObjPtr
);
12374 Jim_DecrRefCount(interp
, scriptObjPtr
);
12375 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
12376 if (retcode
== JIM_ERR
) {
12377 Jim_PrintErrorMessage(interp
);
12378 } else if (retcode
== JIM_EXIT
) {
12379 exit(Jim_GetExitCode(interp
));
12382 Jim_fwrite( interp
, result
, 1, reslen
, interp
->cookie_stdout
);
12383 Jim_fprintf( interp
,interp
->cookie_stdout
, JIM_NL
);
12391 /* -----------------------------------------------------------------------------
12392 * Jim's idea of STDIO..
12393 * ---------------------------------------------------------------------------*/
12395 int Jim_fprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, ... )
12401 r
= Jim_vfprintf( interp
, cookie
, fmt
,ap
);
12406 int Jim_vfprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, va_list ap
)
12408 if( (interp
== NULL
) || (interp
->cb_vfprintf
== NULL
) ){
12412 return (*(interp
->cb_vfprintf
))( cookie
, fmt
, ap
);
12415 size_t Jim_fwrite( Jim_Interp
*interp
, const void *ptr
, size_t size
, size_t n
, void *cookie
)
12417 if( (interp
== NULL
) || (interp
->cb_fwrite
== NULL
) ){
12421 return (*(interp
->cb_fwrite
))( ptr
, size
, n
, cookie
);
12424 size_t Jim_fread( Jim_Interp
*interp
, void *ptr
, size_t size
, size_t n
, void *cookie
)
12426 if( (interp
== NULL
) || (interp
->cb_fread
== NULL
) ){
12430 return (*(interp
->cb_fread
))( ptr
, size
, n
, cookie
);
12433 int Jim_fflush( Jim_Interp
*interp
, void *cookie
)
12435 if( (interp
== NULL
) || (interp
->cb_fflush
== NULL
) ){
12436 /* pretend all is well */
12439 return (*(interp
->cb_fflush
))( cookie
);
12442 char* Jim_fgets( Jim_Interp
*interp
, char *s
, int size
, void *cookie
)
12444 if( (interp
== NULL
) || (interp
->cb_fgets
== NULL
) ){
12448 return (*(interp
->cb_fgets
))( s
, size
, cookie
);
12451 Jim_Nvp_name2value_simple( const Jim_Nvp
*p
, const char *name
)
12454 if( 0 == strcmp( name
, p
->name
) ){
12459 return ((Jim_Nvp
*)(p
));
12463 Jim_Nvp_name2value_nocase_simple( const Jim_Nvp
*p
, const char *name
)
12466 if( 0 == strcasecmp( name
, p
->name
) ){
12471 return ((Jim_Nvp
*)(p
));
12475 Jim_Nvp_name2value_obj( Jim_Interp
*interp
,
12480 return Jim_Nvp_name2value( interp
, p
, Jim_GetString( o
, NULL
), result
);
12485 Jim_Nvp_name2value( Jim_Interp
*interp
,
12492 p
= Jim_Nvp_name2value_simple( _p
, name
);
12496 *result
= (Jim_Nvp
*)(p
);
12508 Jim_Nvp_name2value_obj_nocase( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**puthere
)
12510 return Jim_Nvp_name2value_nocase( interp
, p
, Jim_GetString( o
, NULL
), puthere
);
12514 Jim_Nvp_name2value_nocase( Jim_Interp
*interp
, const Jim_Nvp
*_p
, const char *name
, Jim_Nvp
**puthere
)
12518 p
= Jim_Nvp_name2value_nocase_simple( _p
, name
);
12521 *puthere
= (Jim_Nvp
*)(p
);
12533 Jim_Nvp_value2name_obj( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**result
)
12538 e
= Jim_GetWide( interp
, o
, &w
);
12543 return Jim_Nvp_value2name( interp
, p
, w
, result
);
12547 Jim_Nvp_value2name_simple( const Jim_Nvp
*p
, int value
)
12550 if( value
== p
->value
){
12555 return ((Jim_Nvp
*)(p
));
12560 Jim_Nvp_value2name( Jim_Interp
*interp
, const Jim_Nvp
*_p
, int value
, Jim_Nvp
**result
)
12564 p
= Jim_Nvp_value2name_simple( _p
, value
);
12567 *result
= (Jim_Nvp
*)(p
);
12579 Jim_GetOpt_Setup( Jim_GetOptInfo
*p
, Jim_Interp
*interp
, int argc
, Jim_Obj
* const * argv
)
12581 memset( p
, 0, sizeof(*p
) );
12582 p
->interp
= interp
;
12590 Jim_GetOpt_Debug( Jim_GetOptInfo
*p
)
12594 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "---args---\n");
12595 for( x
= 0 ; x
< p
->argc
; x
++ ){
12596 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
,
12599 Jim_GetString( p
->argv
[x
], NULL
) );
12601 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "-------\n");
12606 Jim_GetOpt_Obj( Jim_GetOptInfo
*goi
, Jim_Obj
**puthere
)
12610 o
= NULL
; // failure
12628 Jim_GetOpt_String( Jim_GetOptInfo
*goi
, char **puthere
, int *len
)
12635 r
= Jim_GetOpt_Obj( goi
, &o
);
12637 cp
= Jim_GetString( o
, len
);
12640 *puthere
= (char *)(cp
);
12647 Jim_GetOpt_Double( Jim_GetOptInfo
*goi
, double *puthere
)
12653 if( puthere
== NULL
){
12657 r
= Jim_GetOpt_Obj( goi
, &o
);
12659 r
= Jim_GetDouble( goi
->interp
, o
, puthere
);
12661 Jim_SetResult_sprintf( goi
->interp
,
12662 "not a number: %s",
12663 Jim_GetString( o
, NULL
) );
12670 Jim_GetOpt_Wide( Jim_GetOptInfo
*goi
, jim_wide
*puthere
)
12676 if( puthere
== NULL
){
12680 r
= Jim_GetOpt_Obj( goi
, &o
);
12682 r
= Jim_GetWide( goi
->interp
, o
, puthere
);
12687 int Jim_GetOpt_Nvp( Jim_GetOptInfo
*goi
,
12688 const Jim_Nvp
*nvp
,
12695 if( puthere
== NULL
){
12699 e
= Jim_GetOpt_Obj( goi
, &o
);
12701 e
= Jim_Nvp_name2value_obj( goi
->interp
,
12711 Jim_GetOpt_NvpUnknown( Jim_GetOptInfo
*goi
,
12712 const Jim_Nvp
*nvptable
,
12716 Jim_SetResult_NvpUnknown( goi
->interp
,
12721 Jim_SetResult_NvpUnknown( goi
->interp
,
12730 Jim_GetOpt_Enum( Jim_GetOptInfo
*goi
,
12731 const char * const * lookup
,
12738 if( puthere
== NULL
){
12741 e
= Jim_GetOpt_Obj( goi
, &o
);
12743 e
= Jim_GetEnum( goi
->interp
,
12756 Jim_SetResult_sprintf( Jim_Interp
*interp
, const char *fmt
,... )
12762 buf
= jim_vasprintf( fmt
, ap
);
12765 Jim_SetResultString( interp
, buf
, -1 );
12766 jim_vasprintf_done(buf
);
12773 Jim_SetResult_NvpUnknown( Jim_Interp
*interp
,
12774 Jim_Obj
*param_name
,
12775 Jim_Obj
*param_value
,
12776 const Jim_Nvp
*nvp
)
12779 Jim_SetResult_sprintf( interp
,
12780 "%s: Unknown: %s, try one of: ",
12781 Jim_GetString( param_name
, NULL
),
12782 Jim_GetString( param_value
, NULL
) );
12784 Jim_SetResult_sprintf( interp
,
12785 "Unknown param: %s, try one of: ",
12786 Jim_GetString( param_value
, NULL
) );
12788 while( nvp
->name
){
12792 if( (nvp
+1)->name
){
12799 Jim_AppendStrings( interp
,
12800 Jim_GetResult(interp
),
12807 static Jim_Obj
*debug_string_obj
;
12810 Jim_Debug_ArgvString( Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
12814 if( debug_string_obj
){
12815 Jim_FreeObj( interp
, debug_string_obj
);
12818 debug_string_obj
= Jim_NewEmptyStringObj( interp
);
12819 for( x
= 0 ; x
< argc
; x
++ ){
12820 Jim_AppendStrings( interp
,
12822 Jim_GetString( argv
[x
], NULL
),
12827 return Jim_GetString( debug_string_obj
, NULL
);
12833 * Local Variables: ***
12834 * c-basic-offset: 4 ***