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.
43 #define JIM_OPTIMIZATION /* comment to avoid optimizations and reduce size */
46 #include <pkgconf/jimtcl.h>
49 #define JIM_DYNLIB /* Dynamic library support for UNIX and WIN32 */
50 #endif /* JIM_ANSIC */
52 #define _GNU_SOURCE /* for vasprintf() */
63 /* sys/time - need is different */
65 #include <sys/time.h> // for gettimeofday()
68 #include "replacements.h"
70 /* Include the platform dependent libraries for
71 * dynamic loading of libraries. */
73 #if defined(_WIN32) || defined(WIN32)
80 #define WIN32_LEAN_AND_MEAN
83 #pragma warning(disable:4146)
88 #endif /* JIM_DYNLIB */
95 #include <cyg/jimtcl/jim.h>
100 #ifdef HAVE_BACKTRACE
101 #include <execinfo.h>
104 /* -----------------------------------------------------------------------------
106 * ---------------------------------------------------------------------------*/
108 /* A shared empty string for the objects string representation.
109 * Jim_InvalidateStringRep knows about it and don't try to free. */
110 static char *JimEmptyStringRep
= (char*) "";
112 /* -----------------------------------------------------------------------------
113 * Required prototypes of not exported functions
114 * ---------------------------------------------------------------------------*/
115 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
);
116 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
, int flags
);
117 static void JimRegisterCoreApi(Jim_Interp
*interp
);
119 static Jim_HashTableType JimVariablesHashTableType
;
121 /* -----------------------------------------------------------------------------
123 * ---------------------------------------------------------------------------*/
126 jim_vasprintf( const char *fmt
, va_list ap
)
128 #ifndef HAVE_VASPRINTF
130 static char buf
[2048];
131 vsnprintf( buf
, sizeof(buf
), fmt
, ap
);
132 /* garentee termination */
133 buf
[sizeof(buf
)-1] = 0;
136 vasprintf( &buf
, fmt
, ap
);
142 jim_vasprintf_done( void *buf
)
144 #ifndef HAVE_VASPRINTF
153 * Convert a string to a jim_wide INTEGER.
154 * This function originates from BSD.
156 * Ignores `locale' stuff. Assumes that the upper and lower case
157 * alphabets and digits are each contiguous.
159 #ifdef HAVE_LONG_LONG
160 #define JimIsAscii(c) (((c) & ~0x7f) == 0)
161 static jim_wide
JimStrtoll(const char *nptr
, char **endptr
, register int base
)
163 register const char *s
;
164 register unsigned jim_wide acc
;
165 register unsigned char c
;
166 register unsigned jim_wide qbase
, cutoff
;
167 register int neg
, any
, cutlim
;
170 * Skip white space and pick up leading +/- sign if any.
171 * If base is 0, allow 0x for hex and 0 for octal, else
172 * assume decimal; if base is already 16, allow 0x.
177 } while (isspace(c
));
186 if ((base
== 0 || base
== 16) &&
187 c
== '0' && (*s
== 'x' || *s
== 'X')) {
193 base
= c
== '0' ? 8 : 10;
196 * Compute the cutoff value between legal numbers and illegal
197 * numbers. That is the largest legal value, divided by the
198 * base. An input number that is greater than this value, if
199 * followed by a legal input character, is too big. One that
200 * is equal to this value may be valid or not; the limit
201 * between valid and invalid numbers is then based on the last
202 * digit. For instance, if the range for quads is
203 * [-9223372036854775808..9223372036854775807] and the input base
204 * is 10, cutoff will be set to 922337203685477580 and cutlim to
205 * either 7 (neg==0) or 8 (neg==1), meaning that if we have
206 * accumulated a value > 922337203685477580, or equal but the
207 * next digit is > 7 (or 8), the number is too big, and we will
208 * return a range error.
210 * Set any if any `digits' consumed; make it negative to indicate
213 qbase
= (unsigned)base
;
214 cutoff
= neg
? (unsigned jim_wide
)-(LLONG_MIN
+ LLONG_MAX
) + LLONG_MAX
216 cutlim
= (int)(cutoff
% qbase
);
218 for (acc
= 0, any
= 0;; c
= *s
++) {
224 c
-= isupper(c
) ? 'A' - 10 : 'a' - 10;
229 if (any
< 0 || acc
> cutoff
|| (acc
== cutoff
&& c
> cutlim
))
238 acc
= neg
? LLONG_MIN
: LLONG_MAX
;
243 *endptr
= (char *)(any
? s
- 1 : nptr
);
248 /* Glob-style pattern matching. */
249 static int JimStringMatch(const char *pattern
, int patternLen
,
250 const char *string
, int stringLen
, int nocase
)
255 while (pattern
[1] == '*') {
260 return 1; /* match */
262 if (JimStringMatch(pattern
+1, patternLen
-1,
263 string
, stringLen
, nocase
))
264 return 1; /* match */
268 return 0; /* no match */
272 return 0; /* no match */
282 not = pattern
[0] == '^';
289 if (pattern
[0] == '\\') {
292 if (pattern
[0] == string
[0])
294 } else if (pattern
[0] == ']') {
296 } else if (patternLen
== 0) {
300 } else if (pattern
[1] == '-' && patternLen
>= 3) {
301 int start
= pattern
[0];
302 int end
= pattern
[2];
310 start
= tolower(start
);
316 if (c
>= start
&& c
<= end
)
320 if (pattern
[0] == string
[0])
323 if (tolower((int)pattern
[0]) == tolower((int)string
[0]))
333 return 0; /* no match */
339 if (patternLen
>= 2) {
346 if (pattern
[0] != string
[0])
347 return 0; /* no match */
349 if (tolower((int)pattern
[0]) != tolower((int)string
[0]))
350 return 0; /* no match */
358 if (stringLen
== 0) {
359 while(*pattern
== '*') {
366 if (patternLen
== 0 && stringLen
== 0)
371 int JimStringCompare(const char *s1
, int l1
, const char *s2
, int l2
,
374 unsigned char *u1
= (unsigned char*) s1
, *u2
= (unsigned char*) s2
;
380 u1
++; u2
++; l1
--; l2
--;
382 if (!l1
&& !l2
) return 0;
386 if (tolower((int)*u1
) != tolower((int)*u2
))
387 return tolower((int)*u1
)-tolower((int)*u2
);
388 u1
++; u2
++; l1
--; l2
--;
390 if (!l1
&& !l2
) return 0;
395 /* Search 's1' inside 's2', starting to search from char 'index' of 's2'.
396 * The index of the first occurrence of s1 in s2 is returned.
397 * If s1 is not found inside s2, -1 is returned. */
398 int JimStringFirst(const char *s1
, int l1
, const char *s2
, int l2
, int index
)
402 if (!l1
|| !l2
|| l1
> l2
) return -1;
403 if (index
< 0) index
= 0;
405 for (i
= index
; i
<= l2
-l1
; i
++) {
406 if (memcmp(s2
, s1
, l1
) == 0)
413 int Jim_WideToString(char *buf
, jim_wide wideValue
)
415 const char *fmt
= "%" JIM_WIDE_MODIFIER
;
416 return sprintf(buf
, fmt
, wideValue
);
419 int Jim_StringToWide(const char *str
, jim_wide
*widePtr
, int base
)
423 #ifdef HAVE_LONG_LONG
424 *widePtr
= JimStrtoll(str
, &endptr
, base
);
426 *widePtr
= strtol(str
, &endptr
, base
);
428 if ((str
[0] == '\0') || (str
== endptr
) )
430 if (endptr
[0] != '\0') {
432 if (!isspace((int)*endptr
))
440 int Jim_StringToIndex(const char *str
, int *intPtr
)
444 *intPtr
= strtol(str
, &endptr
, 10);
445 if ( (str
[0] == '\0') || (str
== endptr
) )
447 if (endptr
[0] != '\0') {
449 if (!isspace((int)*endptr
))
457 /* The string representation of references has two features in order
458 * to make the GC faster. The first is that every reference starts
459 * with a non common character '~', in order to make the string matching
460 * fater. The second is that the reference string rep his 32 characters
461 * in length, this allows to avoid to check every object with a string
462 * repr < 32, and usually there are many of this objects. */
464 #define JIM_REFERENCE_SPACE (35+JIM_REFERENCE_TAGLEN)
466 static int JimFormatReference(char *buf
, Jim_Reference
*refPtr
, jim_wide id
)
468 const char *fmt
= "<reference.<%s>.%020" JIM_WIDE_MODIFIER
">";
469 sprintf(buf
, fmt
, refPtr
->tag
, id
);
470 return JIM_REFERENCE_SPACE
;
473 int Jim_DoubleToString(char *buf
, double doubleValue
)
478 len
= sprintf(buf
, "%.17g", doubleValue
);
481 if (*s
== '.') return len
;
484 /* Add a final ".0" if it's a number. But not
486 if (isdigit((int)buf
[0])
487 || ((buf
[0] == '-' || buf
[0] == '+')
488 && isdigit((int)buf
[1]))) {
497 int Jim_StringToDouble(const char *str
, double *doublePtr
)
501 *doublePtr
= strtod(str
, &endptr
);
502 if (str
[0] == '\0' || endptr
[0] != '\0' || (str
== endptr
) )
507 static jim_wide
JimPowWide(jim_wide b
, jim_wide e
)
510 if ((b
==0 && e
!=0) || (e
<0)) return 0;
511 for(i
=0; i
<e
; i
++) {res
*= b
;}
515 /* -----------------------------------------------------------------------------
517 * ---------------------------------------------------------------------------*/
519 /* Note that 'interp' may be NULL if not available in the
520 * context of the panic. It's only useful to get the error
521 * file descriptor, it will default to stderr otherwise. */
522 void Jim_Panic(Jim_Interp
*interp
, const char *fmt
, ...)
528 * Send it here first.. Assuming STDIO still works
530 fprintf(stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
531 vfprintf(stderr
, fmt
, ap
);
532 fprintf(stderr
, JIM_NL JIM_NL
);
535 #ifdef HAVE_BACKTRACE
541 size
= backtrace(array
, 40);
542 strings
= backtrace_symbols(array
, size
);
543 for (i
= 0; i
< size
; i
++)
544 fprintf(fp
,"[backtrace] %s" JIM_NL
, strings
[i
]);
545 fprintf(fp
,"[backtrace] Include the above lines and the output" JIM_NL
);
546 fprintf(fp
,"[backtrace] of 'nm <executable>' in the bug report." JIM_NL
);
550 /* This may actually crash... we do it last */
551 if( interp
&& interp
->cookie_stderr
){
552 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
553 Jim_vfprintf( interp
, interp
->cookie_stderr
, fmt
, ap
);
554 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL JIM_NL
);
559 /* -----------------------------------------------------------------------------
561 * ---------------------------------------------------------------------------*/
563 /* Macro used for memory debugging.
564 * In order for they to work you have to rename Jim_Alloc into _Jim_Alloc
565 * and similary for Jim_Realloc and Jim_Free */
567 #define Jim_Alloc(s) (printf("%s %d: Jim_Alloc(%d)\n",__FILE__,__LINE__,s),_Jim_Alloc(s))
568 #define Jim_Free(p) (printf("%s %d: Jim_Free(%p)\n",__FILE__,__LINE__,p),_Jim_Free(p))
569 #define Jim_Realloc(p,s) (printf("%s %d: Jim_Realloc(%p,%d)\n",__FILE__,__LINE__,p,s),_Jim_Realloc(p,s))
572 void *Jim_Alloc(int size
)
574 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
577 void *p
= malloc(size
);
579 Jim_Panic(NULL
,"malloc: Out of memory");
583 void Jim_Free(void *ptr
) {
587 void *Jim_Realloc(void *ptr
, int size
)
589 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
592 void *p
= realloc(ptr
, size
);
594 Jim_Panic(NULL
,"realloc: Out of memory");
598 char *Jim_StrDup(const char *s
)
601 char *copy
= Jim_Alloc(l
+1);
603 memcpy(copy
, s
, l
+1);
607 char *Jim_StrDupLen(const char *s
, int l
)
609 char *copy
= Jim_Alloc(l
+1);
611 memcpy(copy
, s
, l
+1);
612 copy
[l
] = 0; /* Just to be sure, original could be substring */
616 /* -----------------------------------------------------------------------------
617 * Time related functions
618 * ---------------------------------------------------------------------------*/
619 /* Returns microseconds of CPU used since start. */
620 static jim_wide
JimClock(void)
622 #if (defined WIN32) && !(defined JIM_ANSIC)
624 QueryPerformanceFrequency(&f
);
625 QueryPerformanceCounter(&t
);
626 return (long)((t
.QuadPart
* 1000000) / f
.QuadPart
);
628 clock_t clocks
= clock();
630 return (long)(clocks
*(1000000/CLOCKS_PER_SEC
));
634 /* -----------------------------------------------------------------------------
636 * ---------------------------------------------------------------------------*/
638 /* -------------------------- private prototypes ---------------------------- */
639 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
);
640 static unsigned int JimHashTableNextPower(unsigned int size
);
641 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
);
643 /* -------------------------- hash functions -------------------------------- */
645 /* Thomas Wang's 32 bit Mix Function */
646 unsigned int Jim_IntHashFunction(unsigned int key
)
657 /* Identity hash function for integer keys */
658 unsigned int Jim_IdentityHashFunction(unsigned int key
)
663 /* Generic hash function (we are using to multiply by 9 and add the byte
665 unsigned int Jim_GenHashFunction(const unsigned char *buf
, int len
)
673 /* ----------------------------- API implementation ------------------------- */
674 /* reset an hashtable already initialized with ht_init().
675 * NOTE: This function should only called by ht_destroy(). */
676 static void JimResetHashTable(Jim_HashTable
*ht
)
685 /* Initialize the hash table */
686 int Jim_InitHashTable(Jim_HashTable
*ht
, Jim_HashTableType
*type
,
689 JimResetHashTable(ht
);
691 ht
->privdata
= privDataPtr
;
695 /* Resize the table to the minimal size that contains all the elements,
696 * but with the invariant of a USER/BUCKETS ration near to <= 1 */
697 int Jim_ResizeHashTable(Jim_HashTable
*ht
)
699 int minimal
= ht
->used
;
701 if (minimal
< JIM_HT_INITIAL_SIZE
)
702 minimal
= JIM_HT_INITIAL_SIZE
;
703 return Jim_ExpandHashTable(ht
, minimal
);
706 /* Expand or create the hashtable */
707 int Jim_ExpandHashTable(Jim_HashTable
*ht
, unsigned int size
)
709 Jim_HashTable n
; /* the new hashtable */
710 unsigned int realsize
= JimHashTableNextPower(size
), i
;
712 /* the size is invalid if it is smaller than the number of
713 * elements already inside the hashtable */
714 if (ht
->used
>= size
)
717 Jim_InitHashTable(&n
, ht
->type
, ht
->privdata
);
719 n
.sizemask
= realsize
-1;
720 n
.table
= Jim_Alloc(realsize
*sizeof(Jim_HashEntry
*));
722 /* Initialize all the pointers to NULL */
723 memset(n
.table
, 0, realsize
*sizeof(Jim_HashEntry
*));
725 /* Copy all the elements from the old to the new table:
726 * note that if the old hash table is empty ht->size is zero,
727 * so Jim_ExpandHashTable just creates an hash table. */
729 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
730 Jim_HashEntry
*he
, *nextHe
;
732 if (ht
->table
[i
] == NULL
) continue;
734 /* For each hash entry on this slot... */
740 /* Get the new element index */
741 h
= Jim_HashKey(ht
, he
->key
) & n
.sizemask
;
742 he
->next
= n
.table
[h
];
745 /* Pass to the next element */
749 assert(ht
->used
== 0);
752 /* Remap the new hashtable in the old */
757 /* Add an element to the target hash table */
758 int Jim_AddHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
761 Jim_HashEntry
*entry
;
763 /* Get the index of the new element, or -1 if
764 * the element already exists. */
765 if ((index
= JimInsertHashEntry(ht
, key
)) == -1)
768 /* Allocates the memory and stores key */
769 entry
= Jim_Alloc(sizeof(*entry
));
770 entry
->next
= ht
->table
[index
];
771 ht
->table
[index
] = entry
;
773 /* Set the hash entry fields. */
774 Jim_SetHashKey(ht
, entry
, key
);
775 Jim_SetHashVal(ht
, entry
, val
);
780 /* Add an element, discarding the old if the key already exists */
781 int Jim_ReplaceHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
783 Jim_HashEntry
*entry
;
785 /* Try to add the element. If the key
786 * does not exists Jim_AddHashEntry will suceed. */
787 if (Jim_AddHashEntry(ht
, key
, val
) == JIM_OK
)
789 /* It already exists, get the entry */
790 entry
= Jim_FindHashEntry(ht
, key
);
791 /* Free the old value and set the new one */
792 Jim_FreeEntryVal(ht
, entry
);
793 Jim_SetHashVal(ht
, entry
, val
);
797 /* Search and remove an element */
798 int Jim_DeleteHashEntry(Jim_HashTable
*ht
, const void *key
)
801 Jim_HashEntry
*he
, *prevHe
;
805 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
810 if (Jim_CompareHashKeys(ht
, key
, he
->key
)) {
811 /* Unlink the element from the list */
813 prevHe
->next
= he
->next
;
815 ht
->table
[h
] = he
->next
;
816 Jim_FreeEntryKey(ht
, he
);
817 Jim_FreeEntryVal(ht
, he
);
825 return JIM_ERR
; /* not found */
828 /* Destroy an entire hash table */
829 int Jim_FreeHashTable(Jim_HashTable
*ht
)
833 /* Free all the elements */
834 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
835 Jim_HashEntry
*he
, *nextHe
;
837 if ((he
= ht
->table
[i
]) == NULL
) continue;
840 Jim_FreeEntryKey(ht
, he
);
841 Jim_FreeEntryVal(ht
, he
);
847 /* Free the table and the allocated cache structure */
849 /* Re-initialize the table */
850 JimResetHashTable(ht
);
851 return JIM_OK
; /* never fails */
854 Jim_HashEntry
*Jim_FindHashEntry(Jim_HashTable
*ht
, const void *key
)
859 if (ht
->size
== 0) return NULL
;
860 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
863 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
870 Jim_HashTableIterator
*Jim_GetHashTableIterator(Jim_HashTable
*ht
)
872 Jim_HashTableIterator
*iter
= Jim_Alloc(sizeof(*iter
));
877 iter
->nextEntry
= NULL
;
881 Jim_HashEntry
*Jim_NextHashEntry(Jim_HashTableIterator
*iter
)
884 if (iter
->entry
== NULL
) {
887 (signed)iter
->ht
->size
) break;
888 iter
->entry
= iter
->ht
->table
[iter
->index
];
890 iter
->entry
= iter
->nextEntry
;
893 /* We need to save the 'next' here, the iterator user
894 * may delete the entry we are returning. */
895 iter
->nextEntry
= iter
->entry
->next
;
902 /* ------------------------- private functions ------------------------------ */
904 /* Expand the hash table if needed */
905 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
)
907 /* If the hash table is empty expand it to the intial size,
908 * if the table is "full" dobule its size. */
910 return Jim_ExpandHashTable(ht
, JIM_HT_INITIAL_SIZE
);
911 if (ht
->size
== ht
->used
)
912 return Jim_ExpandHashTable(ht
, ht
->size
*2);
916 /* Our hash table capability is a power of two */
917 static unsigned int JimHashTableNextPower(unsigned int size
)
919 unsigned int i
= JIM_HT_INITIAL_SIZE
;
921 if (size
>= 2147483648U)
930 /* Returns the index of a free slot that can be populated with
931 * an hash entry for the given 'key'.
932 * If the key already exists, -1 is returned. */
933 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
)
938 /* Expand the hashtable if needed */
939 if (JimExpandHashTableIfNeeded(ht
) == JIM_ERR
)
941 /* Compute the key hash value */
942 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
943 /* Search if this slot does not already contain the given key */
946 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
953 /* ----------------------- StringCopy Hash Table Type ------------------------*/
955 static unsigned int JimStringCopyHTHashFunction(const void *key
)
957 return Jim_GenHashFunction(key
, strlen(key
));
960 static const void *JimStringCopyHTKeyDup(void *privdata
, const void *key
)
962 int len
= strlen(key
);
963 char *copy
= Jim_Alloc(len
+1);
964 JIM_NOTUSED(privdata
);
966 memcpy(copy
, key
, len
);
971 static void *JimStringKeyValCopyHTValDup(void *privdata
, const void *val
)
973 int len
= strlen(val
);
974 char *copy
= Jim_Alloc(len
+1);
975 JIM_NOTUSED(privdata
);
977 memcpy(copy
, val
, len
);
982 static int JimStringCopyHTKeyCompare(void *privdata
, const void *key1
,
985 JIM_NOTUSED(privdata
);
987 return strcmp(key1
, key2
) == 0;
990 static void JimStringCopyHTKeyDestructor(void *privdata
, const void *key
)
992 JIM_NOTUSED(privdata
);
994 Jim_Free((void*)key
); /* ATTENTION: const cast */
997 static void JimStringKeyValCopyHTValDestructor(void *privdata
, void *val
)
999 JIM_NOTUSED(privdata
);
1001 Jim_Free((void*)val
); /* ATTENTION: const cast */
1004 static Jim_HashTableType JimStringCopyHashTableType
= {
1005 JimStringCopyHTHashFunction
, /* hash function */
1006 JimStringCopyHTKeyDup
, /* key dup */
1008 JimStringCopyHTKeyCompare
, /* key compare */
1009 JimStringCopyHTKeyDestructor
, /* key destructor */
1010 NULL
/* val destructor */
1013 /* This is like StringCopy but does not auto-duplicate the key.
1014 * It's used for intepreter's shared strings. */
1015 static Jim_HashTableType JimSharedStringsHashTableType
= {
1016 JimStringCopyHTHashFunction
, /* hash function */
1019 JimStringCopyHTKeyCompare
, /* key compare */
1020 JimStringCopyHTKeyDestructor
, /* key destructor */
1021 NULL
/* val destructor */
1024 /* This is like StringCopy but also automatically handle dynamic
1025 * allocated C strings as values. */
1026 static Jim_HashTableType JimStringKeyValCopyHashTableType
= {
1027 JimStringCopyHTHashFunction
, /* hash function */
1028 JimStringCopyHTKeyDup
, /* key dup */
1029 JimStringKeyValCopyHTValDup
, /* val dup */
1030 JimStringCopyHTKeyCompare
, /* key compare */
1031 JimStringCopyHTKeyDestructor
, /* key destructor */
1032 JimStringKeyValCopyHTValDestructor
, /* val destructor */
1035 typedef struct AssocDataValue
{
1036 Jim_InterpDeleteProc
*delProc
;
1040 static void JimAssocDataHashTableValueDestructor(void *privdata
, void *data
)
1042 AssocDataValue
*assocPtr
= (AssocDataValue
*)data
;
1043 if (assocPtr
->delProc
!= NULL
)
1044 assocPtr
->delProc((Jim_Interp
*)privdata
, assocPtr
->data
);
1048 static Jim_HashTableType JimAssocDataHashTableType
= {
1049 JimStringCopyHTHashFunction
, /* hash function */
1050 JimStringCopyHTKeyDup
, /* key dup */
1052 JimStringCopyHTKeyCompare
, /* key compare */
1053 JimStringCopyHTKeyDestructor
, /* key destructor */
1054 JimAssocDataHashTableValueDestructor
/* val destructor */
1057 /* -----------------------------------------------------------------------------
1058 * Stack - This is a simple generic stack implementation. It is used for
1059 * example in the 'expr' expression compiler.
1060 * ---------------------------------------------------------------------------*/
1061 void Jim_InitStack(Jim_Stack
*stack
)
1065 stack
->vector
= NULL
;
1068 void Jim_FreeStack(Jim_Stack
*stack
)
1070 Jim_Free(stack
->vector
);
1073 int Jim_StackLen(Jim_Stack
*stack
)
1078 void Jim_StackPush(Jim_Stack
*stack
, void *element
) {
1079 int neededLen
= stack
->len
+1;
1080 if (neededLen
> stack
->maxlen
) {
1081 stack
->maxlen
= neededLen
*2;
1082 stack
->vector
= Jim_Realloc(stack
->vector
, sizeof(void*)*stack
->maxlen
);
1084 stack
->vector
[stack
->len
] = element
;
1088 void *Jim_StackPop(Jim_Stack
*stack
)
1090 if (stack
->len
== 0) return NULL
;
1092 return stack
->vector
[stack
->len
];
1095 void *Jim_StackPeek(Jim_Stack
*stack
)
1097 if (stack
->len
== 0) return NULL
;
1098 return stack
->vector
[stack
->len
-1];
1101 void Jim_FreeStackElements(Jim_Stack
*stack
, void (*freeFunc
)(void *ptr
))
1105 for (i
= 0; i
< stack
->len
; i
++)
1106 freeFunc(stack
->vector
[i
]);
1109 /* -----------------------------------------------------------------------------
1111 * ---------------------------------------------------------------------------*/
1114 #define JIM_TT_NONE -1 /* No token returned */
1115 #define JIM_TT_STR 0 /* simple string */
1116 #define JIM_TT_ESC 1 /* string that needs escape chars conversion */
1117 #define JIM_TT_VAR 2 /* var substitution */
1118 #define JIM_TT_DICTSUGAR 3 /* Syntax sugar for [dict get], $foo(bar) */
1119 #define JIM_TT_CMD 4 /* command substitution */
1120 #define JIM_TT_SEP 5 /* word separator */
1121 #define JIM_TT_EOL 6 /* line separator */
1123 /* Additional token types needed for expressions */
1124 #define JIM_TT_SUBEXPR_START 7
1125 #define JIM_TT_SUBEXPR_END 8
1126 #define JIM_TT_EXPR_NUMBER 9
1127 #define JIM_TT_EXPR_OPERATOR 10
1130 #define JIM_PS_DEF 0 /* Default state */
1131 #define JIM_PS_QUOTE 1 /* Inside "" */
1133 /* Parser context structure. The same context is used both to parse
1134 * Tcl scripts and lists. */
1135 struct JimParserCtx
{
1136 const char *prg
; /* Program text */
1137 const char *p
; /* Pointer to the point of the program we are parsing */
1138 int len
; /* Left length of 'prg' */
1139 int linenr
; /* Current line number */
1141 const char *tend
; /* Returned token is at tstart-tend in 'prg'. */
1142 int tline
; /* Line number of the returned token */
1143 int tt
; /* Token type */
1144 int eof
; /* Non zero if EOF condition is true. */
1145 int state
; /* Parser state */
1146 int comment
; /* Non zero if the next chars may be a comment. */
1149 #define JimParserEof(c) ((c)->eof)
1150 #define JimParserTstart(c) ((c)->tstart)
1151 #define JimParserTend(c) ((c)->tend)
1152 #define JimParserTtype(c) ((c)->tt)
1153 #define JimParserTline(c) ((c)->tline)
1155 static int JimParseScript(struct JimParserCtx
*pc
);
1156 static int JimParseSep(struct JimParserCtx
*pc
);
1157 static int JimParseEol(struct JimParserCtx
*pc
);
1158 static int JimParseCmd(struct JimParserCtx
*pc
);
1159 static int JimParseVar(struct JimParserCtx
*pc
);
1160 static int JimParseBrace(struct JimParserCtx
*pc
);
1161 static int JimParseStr(struct JimParserCtx
*pc
);
1162 static int JimParseComment(struct JimParserCtx
*pc
);
1163 static char *JimParserGetToken(struct JimParserCtx
*pc
,
1164 int *lenPtr
, int *typePtr
, int *linePtr
);
1166 /* Initialize a parser context.
1167 * 'prg' is a pointer to the program text, linenr is the line
1168 * number of the first line contained in the program. */
1169 void JimParserInit(struct JimParserCtx
*pc
, const char *prg
,
1170 int len
, int linenr
)
1178 pc
->tt
= JIM_TT_NONE
;
1180 pc
->state
= JIM_PS_DEF
;
1181 pc
->linenr
= linenr
;
1185 int JimParseScript(struct JimParserCtx
*pc
)
1187 while(1) { /* the while is used to reiterate with continue if needed */
1191 pc
->tline
= pc
->linenr
;
1192 pc
->tt
= JIM_TT_EOL
;
1198 if (*(pc
->p
+1) == '\n')
1199 return JimParseSep(pc
);
1202 return JimParseStr(pc
);
1208 if (pc
->state
== JIM_PS_DEF
)
1209 return JimParseSep(pc
);
1212 return JimParseStr(pc
);
1218 if (pc
->state
== JIM_PS_DEF
)
1219 return JimParseEol(pc
);
1221 return JimParseStr(pc
);
1225 return JimParseCmd(pc
);
1229 if (JimParseVar(pc
) == JIM_ERR
) {
1230 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
1231 pc
->tline
= pc
->linenr
;
1232 pc
->tt
= JIM_TT_STR
;
1239 JimParseComment(pc
);
1242 return JimParseStr(pc
);
1246 return JimParseStr(pc
);
1253 int JimParseSep(struct JimParserCtx
*pc
)
1256 pc
->tline
= pc
->linenr
;
1257 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' ||
1258 (*pc
->p
== '\\' && *(pc
->p
+1) == '\n')) {
1259 if (*pc
->p
== '\\') {
1266 pc
->tt
= JIM_TT_SEP
;
1270 int JimParseEol(struct JimParserCtx
*pc
)
1273 pc
->tline
= pc
->linenr
;
1274 while (*pc
->p
== ' ' || *pc
->p
== '\n' ||
1275 *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== ';') {
1281 pc
->tt
= JIM_TT_EOL
;
1285 /* Todo. Don't stop if ']' appears inside {} or quoted.
1286 * Also should handle the case of puts [string length "]"] */
1287 int JimParseCmd(struct JimParserCtx
*pc
)
1292 pc
->tstart
= ++pc
->p
; pc
->len
--;
1293 pc
->tline
= pc
->linenr
;
1297 } else if (*pc
->p
== '[' && blevel
== 0) {
1299 } else if (*pc
->p
== ']' && blevel
== 0) {
1302 } else if (*pc
->p
== '\\') {
1304 } else if (*pc
->p
== '{') {
1306 } else if (*pc
->p
== '}') {
1309 } else if (*pc
->p
== '\n')
1314 pc
->tt
= JIM_TT_CMD
;
1315 if (*pc
->p
== ']') {
1321 int JimParseVar(struct JimParserCtx
*pc
)
1323 int brace
= 0, stop
= 0, ttype
= JIM_TT_VAR
;
1325 pc
->tstart
= ++pc
->p
; pc
->len
--; /* skip the $ */
1326 pc
->tline
= pc
->linenr
;
1327 if (*pc
->p
== '{') {
1328 pc
->tstart
= ++pc
->p
; pc
->len
--;
1333 if (*pc
->p
== '}' || pc
->len
== 0) {
1339 else if (*pc
->p
== '\n')
1344 /* Include leading colons */
1345 while (*pc
->p
== ':') {
1350 if (!((*pc
->p
>= 'a' && *pc
->p
<= 'z') ||
1351 (*pc
->p
>= 'A' && *pc
->p
<= 'Z') ||
1352 (*pc
->p
>= '0' && *pc
->p
<= '9') || *pc
->p
== '_'))
1358 /* Parse [dict get] syntax sugar. */
1359 if (*pc
->p
== '(') {
1360 while (*pc
->p
!= ')' && pc
->len
) {
1362 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1363 pc
->p
+= 2; pc
->len
-= 2;
1366 if (*pc
->p
!= '\0') {
1369 ttype
= JIM_TT_DICTSUGAR
;
1373 /* Check if we parsed just the '$' character.
1374 * That's not a variable so an error is returned
1375 * to tell the state machine to consider this '$' just
1377 if (pc
->tstart
== pc
->p
) {
1385 int JimParseBrace(struct JimParserCtx
*pc
)
1389 pc
->tstart
= ++pc
->p
; pc
->len
--;
1390 pc
->tline
= pc
->linenr
;
1392 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1396 } else if (*pc
->p
== '{') {
1398 } else if (pc
->len
== 0 || *pc
->p
== '}') {
1400 if (pc
->len
== 0 || level
== 0) {
1405 pc
->tt
= JIM_TT_STR
;
1408 } else if (*pc
->p
== '\n') {
1413 return JIM_OK
; /* unreached */
1416 int JimParseStr(struct JimParserCtx
*pc
)
1418 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1419 pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_STR
);
1420 if (newword
&& *pc
->p
== '{') {
1421 return JimParseBrace(pc
);
1422 } else if (newword
&& *pc
->p
== '"') {
1423 pc
->state
= JIM_PS_QUOTE
;
1427 pc
->tline
= pc
->linenr
;
1431 pc
->tt
= JIM_TT_ESC
;
1436 if (pc
->state
== JIM_PS_DEF
&&
1437 *(pc
->p
+1) == '\n') {
1439 pc
->tt
= JIM_TT_ESC
;
1449 pc
->tt
= JIM_TT_ESC
;
1456 if (pc
->state
== JIM_PS_DEF
) {
1458 pc
->tt
= JIM_TT_ESC
;
1460 } else if (*pc
->p
== '\n') {
1465 if (pc
->state
== JIM_PS_QUOTE
) {
1467 pc
->tt
= JIM_TT_ESC
;
1469 pc
->state
= JIM_PS_DEF
;
1476 return JIM_OK
; /* unreached */
1479 int JimParseComment(struct JimParserCtx
*pc
)
1482 if (*pc
->p
== '\n') {
1484 if (*(pc
->p
-1) != '\\') {
1494 /* xdigitval and odigitval are helper functions for JimParserGetToken() */
1495 static int xdigitval(int c
)
1497 if (c
>= '0' && c
<= '9') return c
-'0';
1498 if (c
>= 'a' && c
<= 'f') return c
-'a'+10;
1499 if (c
>= 'A' && c
<= 'F') return c
-'A'+10;
1503 static int odigitval(int c
)
1505 if (c
>= '0' && c
<= '7') return c
-'0';
1509 /* Perform Tcl escape substitution of 's', storing the result
1510 * string into 'dest'. The escaped string is guaranteed to
1511 * be the same length or shorted than the source string.
1512 * Slen is the length of the string at 's', if it's -1 the string
1513 * length will be calculated by the function.
1515 * The function returns the length of the resulting string. */
1516 static int JimEscape(char *dest
, const char *s
, int slen
)
1524 for (i
= 0; i
< slen
; i
++) {
1528 case 'a': *p
++ = 0x7; i
++; break;
1529 case 'b': *p
++ = 0x8; i
++; break;
1530 case 'f': *p
++ = 0xc; i
++; break;
1531 case 'n': *p
++ = 0xa; i
++; break;
1532 case 'r': *p
++ = 0xd; i
++; break;
1533 case 't': *p
++ = 0x9; i
++; break;
1534 case 'v': *p
++ = 0xb; i
++; break;
1535 case '\0': *p
++ = '\\'; i
++; break;
1536 case '\n': *p
++ = ' '; i
++; break;
1538 if (s
[i
+1] == 'x') {
1540 int c
= xdigitval(s
[i
+2]);
1547 c
= xdigitval(s
[i
+3]);
1557 } else if (s
[i
+1] >= '0' && s
[i
+1] <= '7')
1560 int c
= odigitval(s
[i
+1]);
1562 c
= odigitval(s
[i
+2]);
1569 c
= odigitval(s
[i
+3]);
1595 /* Returns a dynamically allocated copy of the current token in the
1596 * parser context. The function perform conversion of escapes if
1597 * the token is of type JIM_TT_ESC.
1599 * Note that after the conversion, tokens that are grouped with
1600 * braces in the source code, are always recognizable from the
1601 * identical string obtained in a different way from the type.
1603 * For exmple the string:
1607 * will return as first token "expand", of type JIM_TT_STR
1613 * will return as first token "expand", of type JIM_TT_ESC
1615 char *JimParserGetToken(struct JimParserCtx
*pc
,
1616 int *lenPtr
, int *typePtr
, int *linePtr
)
1618 const char *start
, *end
;
1622 start
= JimParserTstart(pc
);
1623 end
= JimParserTend(pc
);
1625 if (lenPtr
) *lenPtr
= 0;
1626 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1627 if (linePtr
) *linePtr
= JimParserTline(pc
);
1628 token
= Jim_Alloc(1);
1632 len
= (end
-start
)+1;
1633 token
= Jim_Alloc(len
+1);
1634 if (JimParserTtype(pc
) != JIM_TT_ESC
) {
1635 /* No escape conversion needed? Just copy it. */
1636 memcpy(token
, start
, len
);
1639 /* Else convert the escape chars. */
1640 len
= JimEscape(token
, start
, len
);
1642 if (lenPtr
) *lenPtr
= len
;
1643 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1644 if (linePtr
) *linePtr
= JimParserTline(pc
);
1648 /* The following functin is not really part of the parsing engine of Jim,
1649 * but it somewhat related. Given an string and its length, it tries
1650 * to guess if the script is complete or there are instead " " or { }
1651 * open and not completed. This is useful for interactive shells
1652 * implementation and for [info complete].
1654 * If 'stateCharPtr' != NULL, the function stores ' ' on complete script,
1655 * '{' on scripts incomplete missing one or more '}' to be balanced.
1656 * '"' on scripts incomplete missing a '"' char.
1658 * If the script is complete, 1 is returned, otherwise 0. */
1659 int Jim_ScriptIsComplete(const char *s
, int len
, char *stateCharPtr
)
1673 } else if (state
== '"') {
1680 } else if (state
== ' ') {
1697 *stateCharPtr
= state
;
1698 return state
== ' ';
1701 /* -----------------------------------------------------------------------------
1703 * ---------------------------------------------------------------------------*/
1704 static int JimParseListSep(struct JimParserCtx
*pc
);
1705 static int JimParseListStr(struct JimParserCtx
*pc
);
1707 int JimParseList(struct JimParserCtx
*pc
)
1710 pc
->tstart
= pc
->tend
= pc
->p
;
1711 pc
->tline
= pc
->linenr
;
1712 pc
->tt
= JIM_TT_EOL
;
1721 if (pc
->state
== JIM_PS_DEF
)
1722 return JimParseListSep(pc
);
1724 return JimParseListStr(pc
);
1727 return JimParseListStr(pc
);
1733 int JimParseListSep(struct JimParserCtx
*pc
)
1736 pc
->tline
= pc
->linenr
;
1737 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== '\n')
1742 pc
->tt
= JIM_TT_SEP
;
1746 int JimParseListStr(struct JimParserCtx
*pc
)
1748 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1749 pc
->tt
== JIM_TT_NONE
);
1750 if (newword
&& *pc
->p
== '{') {
1751 return JimParseBrace(pc
);
1752 } else if (newword
&& *pc
->p
== '"') {
1753 pc
->state
= JIM_PS_QUOTE
;
1757 pc
->tline
= pc
->linenr
;
1761 pc
->tt
= JIM_TT_ESC
;
1772 if (pc
->state
== JIM_PS_DEF
) {
1774 pc
->tt
= JIM_TT_ESC
;
1776 } else if (*pc
->p
== '\n') {
1781 if (pc
->state
== JIM_PS_QUOTE
) {
1783 pc
->tt
= JIM_TT_ESC
;
1785 pc
->state
= JIM_PS_DEF
;
1792 return JIM_OK
; /* unreached */
1795 /* -----------------------------------------------------------------------------
1796 * Jim_Obj related functions
1797 * ---------------------------------------------------------------------------*/
1799 /* Return a new initialized object. */
1800 Jim_Obj
*Jim_NewObj(Jim_Interp
*interp
)
1804 /* -- Check if there are objects in the free list -- */
1805 if (interp
->freeList
!= NULL
) {
1806 /* -- Unlink the object from the free list -- */
1807 objPtr
= interp
->freeList
;
1808 interp
->freeList
= objPtr
->nextObjPtr
;
1810 /* -- No ready to use objects: allocate a new one -- */
1811 objPtr
= Jim_Alloc(sizeof(*objPtr
));
1814 /* Object is returned with refCount of 0. Every
1815 * kind of GC implemented should take care to don't try
1816 * to scan objects with refCount == 0. */
1817 objPtr
->refCount
= 0;
1818 /* All the other fields are left not initialized to save time.
1819 * The caller will probably want set they to the right
1822 /* -- Put the object into the live list -- */
1823 objPtr
->prevObjPtr
= NULL
;
1824 objPtr
->nextObjPtr
= interp
->liveList
;
1825 if (interp
->liveList
)
1826 interp
->liveList
->prevObjPtr
= objPtr
;
1827 interp
->liveList
= objPtr
;
1832 /* Free an object. Actually objects are never freed, but
1833 * just moved to the free objects list, where they will be
1834 * reused by Jim_NewObj(). */
1835 void Jim_FreeObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1837 /* Check if the object was already freed, panic. */
1838 if (objPtr
->refCount
!= 0) {
1839 Jim_Panic(interp
,"!!!Object %p freed with bad refcount %d", objPtr
,
1842 /* Free the internal representation */
1843 Jim_FreeIntRep(interp
, objPtr
);
1844 /* Free the string representation */
1845 if (objPtr
->bytes
!= NULL
) {
1846 if (objPtr
->bytes
!= JimEmptyStringRep
)
1847 Jim_Free(objPtr
->bytes
);
1849 /* Unlink the object from the live objects list */
1850 if (objPtr
->prevObjPtr
)
1851 objPtr
->prevObjPtr
->nextObjPtr
= objPtr
->nextObjPtr
;
1852 if (objPtr
->nextObjPtr
)
1853 objPtr
->nextObjPtr
->prevObjPtr
= objPtr
->prevObjPtr
;
1854 if (interp
->liveList
== objPtr
)
1855 interp
->liveList
= objPtr
->nextObjPtr
;
1856 /* Link the object into the free objects list */
1857 objPtr
->prevObjPtr
= NULL
;
1858 objPtr
->nextObjPtr
= interp
->freeList
;
1859 if (interp
->freeList
)
1860 interp
->freeList
->prevObjPtr
= objPtr
;
1861 interp
->freeList
= objPtr
;
1862 objPtr
->refCount
= -1;
1865 /* Invalidate the string representation of an object. */
1866 void Jim_InvalidateStringRep(Jim_Obj
*objPtr
)
1868 if (objPtr
->bytes
!= NULL
) {
1869 if (objPtr
->bytes
!= JimEmptyStringRep
)
1870 Jim_Free(objPtr
->bytes
);
1872 objPtr
->bytes
= NULL
;
1875 #define Jim_SetStringRep(o, b, l) \
1876 do { (o)->bytes = b; (o)->length = l; } while (0)
1878 /* Set the initial string representation for an object.
1879 * Does not try to free an old one. */
1880 void Jim_InitStringRep(Jim_Obj
*objPtr
, const char *bytes
, int length
)
1883 objPtr
->bytes
= JimEmptyStringRep
;
1886 objPtr
->bytes
= Jim_Alloc(length
+1);
1887 objPtr
->length
= length
;
1888 memcpy(objPtr
->bytes
, bytes
, length
);
1889 objPtr
->bytes
[length
] = '\0';
1893 /* Duplicate an object. The returned object has refcount = 0. */
1894 Jim_Obj
*Jim_DuplicateObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1898 dupPtr
= Jim_NewObj(interp
);
1899 if (objPtr
->bytes
== NULL
) {
1900 /* Object does not have a valid string representation. */
1901 dupPtr
->bytes
= NULL
;
1903 Jim_InitStringRep(dupPtr
, objPtr
->bytes
, objPtr
->length
);
1905 if (objPtr
->typePtr
!= NULL
) {
1906 if (objPtr
->typePtr
->dupIntRepProc
== NULL
) {
1907 dupPtr
->internalRep
= objPtr
->internalRep
;
1909 objPtr
->typePtr
->dupIntRepProc(interp
, objPtr
, dupPtr
);
1911 dupPtr
->typePtr
= objPtr
->typePtr
;
1913 dupPtr
->typePtr
= NULL
;
1918 /* Return the string representation for objPtr. If the object
1919 * string representation is invalid, calls the method to create
1920 * a new one starting from the internal representation of the object. */
1921 const char *Jim_GetString(Jim_Obj
*objPtr
, int *lenPtr
)
1923 if (objPtr
->bytes
== NULL
) {
1924 /* Invalid string repr. Generate it. */
1925 if (objPtr
->typePtr
->updateStringProc
== NULL
) {
1926 Jim_Panic(NULL
,"UpdataStringProc called against '%s' type.",
1927 objPtr
->typePtr
->name
);
1929 objPtr
->typePtr
->updateStringProc(objPtr
);
1932 *lenPtr
= objPtr
->length
;
1933 return objPtr
->bytes
;
1936 /* Just returns the length of the object's string rep */
1937 int Jim_Length(Jim_Obj
*objPtr
)
1941 Jim_GetString(objPtr
, &len
);
1945 /* -----------------------------------------------------------------------------
1947 * ---------------------------------------------------------------------------*/
1948 static void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
1949 static int SetStringFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
1951 static Jim_ObjType stringObjType
= {
1954 DupStringInternalRep
,
1956 JIM_TYPE_REFERENCES
,
1959 void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
1961 JIM_NOTUSED(interp
);
1963 /* This is a bit subtle: the only caller of this function
1964 * should be Jim_DuplicateObj(), that will copy the
1965 * string representaion. After the copy, the duplicated
1966 * object will not have more room in teh buffer than
1967 * srcPtr->length bytes. So we just set it to length. */
1968 dupPtr
->internalRep
.strValue
.maxLength
= srcPtr
->length
;
1971 int SetStringFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1973 /* Get a fresh string representation. */
1974 (void) Jim_GetString(objPtr
, NULL
);
1975 /* Free any other internal representation. */
1976 Jim_FreeIntRep(interp
, objPtr
);
1977 /* Set it as string, i.e. just set the maxLength field. */
1978 objPtr
->typePtr
= &stringObjType
;
1979 objPtr
->internalRep
.strValue
.maxLength
= objPtr
->length
;
1983 Jim_Obj
*Jim_NewStringObj(Jim_Interp
*interp
, const char *s
, int len
)
1985 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
1989 /* Alloc/Set the string rep. */
1991 objPtr
->bytes
= JimEmptyStringRep
;
1994 objPtr
->bytes
= Jim_Alloc(len
+1);
1995 objPtr
->length
= len
;
1996 memcpy(objPtr
->bytes
, s
, len
);
1997 objPtr
->bytes
[len
] = '\0';
2000 /* No typePtr field for the vanilla string object. */
2001 objPtr
->typePtr
= NULL
;
2005 /* This version does not try to duplicate the 's' pointer, but
2006 * use it directly. */
2007 Jim_Obj
*Jim_NewStringObjNoAlloc(Jim_Interp
*interp
, char *s
, int len
)
2009 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
2013 Jim_SetStringRep(objPtr
, s
, len
);
2014 objPtr
->typePtr
= NULL
;
2018 /* Low-level string append. Use it only against objects
2019 * of type "string". */
2020 void StringAppendString(Jim_Obj
*objPtr
, const char *str
, int len
)
2026 needlen
= objPtr
->length
+ len
;
2027 if (objPtr
->internalRep
.strValue
.maxLength
< needlen
||
2028 objPtr
->internalRep
.strValue
.maxLength
== 0) {
2029 if (objPtr
->bytes
== JimEmptyStringRep
) {
2030 objPtr
->bytes
= Jim_Alloc((needlen
*2)+1);
2032 objPtr
->bytes
= Jim_Realloc(objPtr
->bytes
, (needlen
*2)+1);
2034 objPtr
->internalRep
.strValue
.maxLength
= needlen
*2;
2036 memcpy(objPtr
->bytes
+ objPtr
->length
, str
, len
);
2037 objPtr
->bytes
[objPtr
->length
+len
] = '\0';
2038 objPtr
->length
+= len
;
2041 /* Low-level wrapper to append an object. */
2042 void StringAppendObj(Jim_Obj
*objPtr
, Jim_Obj
*appendObjPtr
)
2047 str
= Jim_GetString(appendObjPtr
, &len
);
2048 StringAppendString(objPtr
, str
, len
);
2051 /* Higher level API to append strings to objects. */
2052 void Jim_AppendString(Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *str
,
2055 if (Jim_IsShared(objPtr
))
2056 Jim_Panic(interp
,"Jim_AppendString called with shared object");
2057 if (objPtr
->typePtr
!= &stringObjType
)
2058 SetStringFromAny(interp
, objPtr
);
2059 StringAppendString(objPtr
, str
, len
);
2062 void Jim_AppendString_sprintf( Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *fmt
, ... )
2067 va_start( ap
, fmt
);
2068 buf
= jim_vasprintf( fmt
, ap
);
2072 Jim_AppendString( interp
, objPtr
, buf
, -1 );
2073 jim_vasprintf_done(buf
);
2078 void Jim_AppendObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2079 Jim_Obj
*appendObjPtr
)
2084 str
= Jim_GetString(appendObjPtr
, &len
);
2085 Jim_AppendString(interp
, objPtr
, str
, len
);
2088 void Jim_AppendStrings(Jim_Interp
*interp
, Jim_Obj
*objPtr
, ...)
2092 if (objPtr
->typePtr
!= &stringObjType
)
2093 SetStringFromAny(interp
, objPtr
);
2094 va_start(ap
, objPtr
);
2096 char *s
= va_arg(ap
, char*);
2098 if (s
== NULL
) break;
2099 Jim_AppendString(interp
, objPtr
, s
, -1);
2104 int Jim_StringEqObj(Jim_Obj
*aObjPtr
, Jim_Obj
*bObjPtr
, int nocase
)
2106 const char *aStr
, *bStr
;
2109 if (aObjPtr
== bObjPtr
) return 1;
2110 aStr
= Jim_GetString(aObjPtr
, &aLen
);
2111 bStr
= Jim_GetString(bObjPtr
, &bLen
);
2112 if (aLen
!= bLen
) return 0;
2114 return memcmp(aStr
, bStr
, aLen
) == 0;
2115 for (i
= 0; i
< aLen
; i
++) {
2116 if (tolower((int)aStr
[i
]) != tolower((int)bStr
[i
]))
2122 int Jim_StringMatchObj(Jim_Obj
*patternObjPtr
, Jim_Obj
*objPtr
,
2125 const char *pattern
, *string
;
2126 int patternLen
, stringLen
;
2128 pattern
= Jim_GetString(patternObjPtr
, &patternLen
);
2129 string
= Jim_GetString(objPtr
, &stringLen
);
2130 return JimStringMatch(pattern
, patternLen
, string
, stringLen
, nocase
);
2133 int Jim_StringCompareObj(Jim_Obj
*firstObjPtr
,
2134 Jim_Obj
*secondObjPtr
, int nocase
)
2136 const char *s1
, *s2
;
2139 s1
= Jim_GetString(firstObjPtr
, &l1
);
2140 s2
= Jim_GetString(secondObjPtr
, &l2
);
2141 return JimStringCompare(s1
, l1
, s2
, l2
, nocase
);
2144 /* Convert a range, as returned by Jim_GetRange(), into
2145 * an absolute index into an object of the specified length.
2146 * This function may return negative values, or values
2147 * bigger or equal to the length of the list if the index
2148 * is out of range. */
2149 static int JimRelToAbsIndex(int len
, int index
)
2156 /* Convert a pair of index as normalize by JimRelToAbsIndex(),
2157 * into a range stored in *firstPtr, *lastPtr, *rangeLenPtr, suitable
2158 * for implementation of commands like [string range] and [lrange].
2160 * The resulting range is guaranteed to address valid elements of
2162 static void JimRelToAbsRange(int len
, int first
, int last
,
2163 int *firstPtr
, int *lastPtr
, int *rangeLenPtr
)
2170 rangeLen
= last
-first
+1;
2177 rangeLen
-= (last
-(len
-1));
2182 if (rangeLen
< 0) rangeLen
= 0;
2186 *rangeLenPtr
= rangeLen
;
2189 Jim_Obj
*Jim_StringRangeObj(Jim_Interp
*interp
,
2190 Jim_Obj
*strObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
2196 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
2197 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
2199 str
= Jim_GetString(strObjPtr
, &len
);
2200 first
= JimRelToAbsIndex(len
, first
);
2201 last
= JimRelToAbsIndex(len
, last
);
2202 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
2203 return Jim_NewStringObj(interp
, str
+first
, rangeLen
);
2206 static Jim_Obj
*JimStringToLower(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2210 if (strObjPtr
->typePtr
!= &stringObjType
) {
2211 SetStringFromAny(interp
, strObjPtr
);
2214 buf
= Jim_Alloc(strObjPtr
->length
+1);
2216 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2217 for (i
= 0; i
< strObjPtr
->length
; i
++)
2218 buf
[i
] = tolower(buf
[i
]);
2219 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2222 static Jim_Obj
*JimStringToUpper(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2226 if (strObjPtr
->typePtr
!= &stringObjType
) {
2227 SetStringFromAny(interp
, strObjPtr
);
2230 buf
= Jim_Alloc(strObjPtr
->length
+1);
2232 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2233 for (i
= 0; i
< strObjPtr
->length
; i
++)
2234 buf
[i
] = toupper(buf
[i
]);
2235 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2238 /* This is the core of the [format] command.
2239 * TODO: Lots of things work - via a hack
2240 * However, no format item can be >= JIM_MAX_FMT
2242 #define JIM_MAX_FMT 2048
2243 static Jim_Obj
*Jim_FormatString_Inner(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2244 int objc
, Jim_Obj
*const *objv
, char *sprintf_buf
)
2246 const char *fmt
, *_fmt
;
2251 fmt
= Jim_GetString(fmtObjPtr
, &fmtLen
);
2253 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
2255 const char *p
= fmt
;
2259 /* we cheat and use Sprintf()! */
2273 while (*fmt
!= '%' && fmtLen
) {
2276 Jim_AppendString(interp
, resObjPtr
, p
, fmt
-p
);
2279 fmt
++; fmtLen
--; /* skip '%' */
2288 prec
= -1; /* not found yet */
2295 case 'b': /* binary - not all printfs() do this */
2296 case 's': /* string */
2297 case 'i': /* integer */
2298 case 'd': /* decimal */
2300 case 'X': /* CAP hex */
2301 case 'c': /* char */
2302 case 'o': /* octal */
2303 case 'u': /* unsigned */
2304 case 'f': /* float */
2308 case '0': /* zero pad */
2318 case ' ': /* sign space */
2348 while( isdigit(*fmt
) && (fmtLen
> 0) ){
2349 accum
= (accum
* 10) + (*fmt
- '0');
2360 /* suck up the next item as an integer */
2364 goto not_enough_args
;
2366 if( Jim_GetWide(interp
,objv
[0],&wideValue
)== JIM_ERR
){
2367 Jim_FreeNewObj(interp
, resObjPtr
);
2374 /* man 3 printf says */
2375 /* if prec is negative, it is zero */
2394 Jim_FreeNewObj(interp
, resObjPtr
);
2395 Jim_SetResultString(interp
,
2396 "not enough arguments for all format specifiers", -1);
2404 * Create the formatter
2405 * cause we cheat and use sprintf()
2415 /* PLUS overrides */
2425 sprintf( cp
, "%d", width
);
2429 /* did we find a period? */
2433 /* did something occur after the period? */
2435 sprintf( cp
, "%d", prec
);
2441 /* here we do the work */
2442 /* actually - we make sprintf() do it for us */
2447 /* BUG: we do not handled embeded NULLs */
2448 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, Jim_GetString( objv
[0], NULL
));
2453 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2454 Jim_FreeNewObj(interp
, resObjPtr
);
2457 c
= (char) wideValue
;
2458 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, c
);
2468 if( Jim_GetDouble( interp
, objv
[0], &doubleValue
) == JIM_ERR
){
2469 Jim_FreeNewObj( interp
, resObjPtr
);
2472 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, doubleValue
);
2481 /* jim widevaluse are 64bit */
2482 if( sizeof(jim_wide
) == sizeof(long long) ){
2490 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2491 Jim_FreeNewObj(interp
, resObjPtr
);
2494 snprintf(sprintf_buf
, JIM_MAX_FMT
, fmt_str
, wideValue
);
2497 sprintf_buf
[0] = '%';
2499 objv
--; /* undo the objv++ below */
2502 spec
[0] = *fmt
; spec
[1] = '\0';
2503 Jim_FreeNewObj(interp
, resObjPtr
);
2504 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2505 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2506 "bad field specifier \"", spec
, "\"", NULL
);
2509 /* force terminate */
2511 printf("FMT was: %s\n", fmt_str
);
2512 printf("RES was: |%s|\n", sprintf_buf
);
2515 sprintf_buf
[ JIM_MAX_FMT
- 1] = 0;
2516 Jim_AppendString( interp
, resObjPtr
, sprintf_buf
, strlen(sprintf_buf
) );
2525 Jim_Obj
*Jim_FormatString(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2526 int objc
, Jim_Obj
*const *objv
)
2528 char *sprintf_buf
=malloc(JIM_MAX_FMT
);
2529 Jim_Obj
*t
=Jim_FormatString_Inner(interp
, fmtObjPtr
, objc
, objv
, sprintf_buf
);
2534 /* -----------------------------------------------------------------------------
2535 * Compared String Object
2536 * ---------------------------------------------------------------------------*/
2538 /* This is strange object that allows to compare a C literal string
2539 * with a Jim object in very short time if the same comparison is done
2540 * multiple times. For example every time the [if] command is executed,
2541 * Jim has to check if a given argument is "else". This comparions if
2542 * the code has no errors are true most of the times, so we can cache
2543 * inside the object the pointer of the string of the last matching
2544 * comparison. Because most C compilers perform literal sharing,
2545 * so that: char *x = "foo", char *y = "foo", will lead to x == y,
2546 * this works pretty well even if comparisons are at different places
2547 * inside the C code. */
2549 static Jim_ObjType comparedStringObjType
= {
2554 JIM_TYPE_REFERENCES
,
2557 /* The only way this object is exposed to the API is via the following
2558 * function. Returns true if the string and the object string repr.
2559 * are the same, otherwise zero is returned.
2561 * Note: this isn't binary safe, but it hardly needs to be.*/
2562 int Jim_CompareStringImmediate(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2565 if (objPtr
->typePtr
== &comparedStringObjType
&&
2566 objPtr
->internalRep
.ptr
== str
)
2569 const char *objStr
= Jim_GetString(objPtr
, NULL
);
2570 if (strcmp(str
, objStr
) != 0) return 0;
2571 if (objPtr
->typePtr
!= &comparedStringObjType
) {
2572 Jim_FreeIntRep(interp
, objPtr
);
2573 objPtr
->typePtr
= &comparedStringObjType
;
2575 objPtr
->internalRep
.ptr
= (char*)str
; /*ATTENTION: const cast */
2580 int qsortCompareStringPointers(const void *a
, const void *b
)
2582 char * const *sa
= (char * const *)a
;
2583 char * const *sb
= (char * const *)b
;
2584 return strcmp(*sa
, *sb
);
2587 int Jim_GetEnum(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2588 const char * const *tablePtr
, int *indexPtr
, const char *name
, int flags
)
2590 const char * const *entryPtr
= NULL
;
2591 char **tablePtrSorted
;
2595 for (entryPtr
= tablePtr
, i
= 0; *entryPtr
!= NULL
; entryPtr
++, i
++) {
2596 if (Jim_CompareStringImmediate(interp
, objPtr
, *entryPtr
)) {
2600 count
++; /* If nothing matches, this will reach the len of tablePtr */
2602 if (flags
& JIM_ERRMSG
) {
2605 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2606 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2607 "bad ", name
, " \"", Jim_GetString(objPtr
, NULL
), "\": must be one of ",
2609 tablePtrSorted
= Jim_Alloc(sizeof(char*)*count
);
2610 memcpy(tablePtrSorted
, tablePtr
, sizeof(char*)*count
);
2611 qsort(tablePtrSorted
, count
, sizeof(char*), qsortCompareStringPointers
);
2612 for (i
= 0; i
< count
; i
++) {
2613 if (i
+1 == count
&& count
> 1)
2614 Jim_AppendString(interp
, Jim_GetResult(interp
), "or ", -1);
2615 Jim_AppendString(interp
, Jim_GetResult(interp
),
2616 tablePtrSorted
[i
], -1);
2618 Jim_AppendString(interp
, Jim_GetResult(interp
), ", ", -1);
2620 Jim_Free(tablePtrSorted
);
2625 int Jim_GetNvp(Jim_Interp
*interp
,
2627 const Jim_Nvp
*nvp_table
,
2628 const Jim_Nvp
** result
)
2633 e
= Jim_Nvp_name2value_obj( interp
, nvp_table
, objPtr
, &n
);
2638 /* Success? found? */
2641 *result
= (Jim_Nvp
*)n
;
2648 /* -----------------------------------------------------------------------------
2651 * This object is just a string from the language point of view, but
2652 * in the internal representation it contains the filename and line number
2653 * where this given token was read. This information is used by
2654 * Jim_EvalObj() if the object passed happens to be of type "source".
2656 * This allows to propagate the information about line numbers and file
2657 * names and give error messages with absolute line numbers.
2659 * Note that this object uses shared strings for filenames, and the
2660 * pointer to the filename together with the line number is taken into
2661 * the space for the "inline" internal represenation of the Jim_Object,
2662 * so there is almost memory zero-overhead.
2664 * Also the object will be converted to something else if the given
2665 * token it represents in the source file is not something to be
2666 * evaluated (not a script), and will be specialized in some other way,
2667 * so the time overhead is alzo null.
2668 * ---------------------------------------------------------------------------*/
2670 static void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2671 static void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2673 static Jim_ObjType sourceObjType
= {
2675 FreeSourceInternalRep
,
2676 DupSourceInternalRep
,
2678 JIM_TYPE_REFERENCES
,
2681 void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2683 Jim_ReleaseSharedString(interp
,
2684 objPtr
->internalRep
.sourceValue
.fileName
);
2687 void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2689 dupPtr
->internalRep
.sourceValue
.fileName
=
2690 Jim_GetSharedString(interp
,
2691 srcPtr
->internalRep
.sourceValue
.fileName
);
2692 dupPtr
->internalRep
.sourceValue
.lineNumber
=
2693 dupPtr
->internalRep
.sourceValue
.lineNumber
;
2694 dupPtr
->typePtr
= &sourceObjType
;
2697 static void JimSetSourceInfo(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2698 const char *fileName
, int lineNumber
)
2700 if (Jim_IsShared(objPtr
))
2701 Jim_Panic(interp
,"JimSetSourceInfo called with shared object");
2702 if (objPtr
->typePtr
!= NULL
)
2703 Jim_Panic(interp
,"JimSetSourceInfo called with typePtr != NULL");
2704 objPtr
->internalRep
.sourceValue
.fileName
=
2705 Jim_GetSharedString(interp
, fileName
);
2706 objPtr
->internalRep
.sourceValue
.lineNumber
= lineNumber
;
2707 objPtr
->typePtr
= &sourceObjType
;
2710 /* -----------------------------------------------------------------------------
2712 * ---------------------------------------------------------------------------*/
2714 #define JIM_CMDSTRUCT_EXPAND -1
2716 static void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2717 static void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2718 static int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
2720 static Jim_ObjType scriptObjType
= {
2722 FreeScriptInternalRep
,
2723 DupScriptInternalRep
,
2725 JIM_TYPE_REFERENCES
,
2728 /* The ScriptToken structure represents every token into a scriptObj.
2729 * Every token contains an associated Jim_Obj that can be specialized
2730 * by commands operating on it. */
2731 typedef struct ScriptToken
{
2737 /* This is the script object internal representation. An array of
2738 * ScriptToken structures, with an associated command structure array.
2739 * The command structure is a pre-computed representation of the
2740 * command length and arguments structure as a simple liner array
2743 * For example the script:
2746 * set $i $x$y [foo]BAR
2748 * will produce a ScriptObj with the following Tokens:
2765 * This is a description of the tokens, separators, and of lines.
2766 * The command structure instead represents the number of arguments
2767 * of every command, followed by the tokens of which every argument
2768 * is composed. So for the example script, the cmdstruct array will
2773 * Because "puts hello" has two args (2), composed of single tokens (1 1)
2774 * While "set $i $x$y [foo]BAR" has four (4) args, the first two
2775 * composed of single tokens (1 1) and the last two of double tokens
2778 * The precomputation of the command structure makes Jim_Eval() faster,
2779 * and simpler because there aren't dynamic lengths / allocations.
2781 * -- {expand} handling --
2783 * Expand is handled in a special way. When a command
2784 * contains at least an argument with the {expand} prefix,
2785 * the command structure presents a -1 before the integer
2786 * describing the number of arguments. This is used in order
2787 * to send the command exection to a different path in case
2788 * of {expand} and guarantee a fast path for the more common
2789 * case. Also, the integers describing the number of tokens
2790 * are expressed with negative sign, to allow for fast check
2791 * of what's an {expand}-prefixed argument and what not.
2793 * For example the command:
2795 * list {expand}{1 2}
2797 * Will produce the following cmdstruct array:
2801 * -- the substFlags field of the structure --
2803 * The scriptObj structure is used to represent both "script" objects
2804 * and "subst" objects. In the second case, the cmdStruct related
2805 * fields are not used at all, but there is an additional field used
2806 * that is 'substFlags': this represents the flags used to turn
2807 * the string into the intenral representation used to perform the
2808 * substitution. If this flags are not what the application requires
2809 * the scriptObj is created again. For example the script:
2811 * subst -nocommands $string
2812 * subst -novariables $string
2814 * Will recreate the internal representation of the $string object
2817 typedef struct ScriptObj
{
2818 int len
; /* Length as number of tokens. */
2819 int commands
; /* number of top-level commands in script. */
2820 ScriptToken
*token
; /* Tokens array. */
2821 int *cmdStruct
; /* commands structure */
2822 int csLen
; /* length of the cmdStruct array. */
2823 int substFlags
; /* flags used for the compilation of "subst" objects */
2824 int inUse
; /* Used to share a ScriptObj. Currently
2825 only used by Jim_EvalObj() as protection against
2826 shimmering of the currently evaluated object. */
2830 void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2833 struct ScriptObj
*script
= (void*) objPtr
->internalRep
.ptr
;
2836 if (script
->inUse
!= 0) return;
2837 for (i
= 0; i
< script
->len
; i
++) {
2838 if (script
->token
[i
].objPtr
!= NULL
)
2839 Jim_DecrRefCount(interp
, script
->token
[i
].objPtr
);
2841 Jim_Free(script
->token
);
2842 Jim_Free(script
->cmdStruct
);
2843 Jim_Free(script
->fileName
);
2847 void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2849 JIM_NOTUSED(interp
);
2850 JIM_NOTUSED(srcPtr
);
2852 /* Just returns an simple string. */
2853 dupPtr
->typePtr
= NULL
;
2856 /* Add a new token to the internal repr of a script object */
2857 static void ScriptObjAddToken(Jim_Interp
*interp
, struct ScriptObj
*script
,
2858 char *strtoken
, int len
, int type
, char *filename
, int linenr
)
2861 struct ScriptToken
*token
;
2863 prevtype
= (script
->len
== 0) ? JIM_TT_EOL
: \
2864 script
->token
[script
->len
-1].type
;
2865 /* Skip tokens without meaning, like words separators
2866 * following a word separator or an end of command and
2868 if (prevtype
== JIM_TT_EOL
) {
2869 if (type
== JIM_TT_EOL
|| type
== JIM_TT_SEP
) {
2873 } else if (prevtype
== JIM_TT_SEP
) {
2874 if (type
== JIM_TT_SEP
) {
2877 } else if (type
== JIM_TT_EOL
) {
2878 /* If an EOL is following by a SEP, drop the previous
2881 Jim_DecrRefCount(interp
, script
->token
[script
->len
].objPtr
);
2883 } else if (prevtype
!= JIM_TT_EOL
&& prevtype
!= JIM_TT_SEP
&&
2884 type
== JIM_TT_ESC
&& len
== 0)
2886 /* Don't add empty tokens used in interpolation */
2890 /* Make space for a new istruction */
2892 script
->token
= Jim_Realloc(script
->token
,
2893 sizeof(ScriptToken
)*script
->len
);
2894 /* Initialize the new token */
2895 token
= script
->token
+(script
->len
-1);
2897 /* Every object is intially as a string, but the
2898 * internal type may be specialized during execution of the
2900 token
->objPtr
= Jim_NewStringObjNoAlloc(interp
, strtoken
, len
);
2901 /* To add source info to SEP and EOL tokens is useless because
2902 * they will never by called as arguments of Jim_EvalObj(). */
2903 if (filename
&& type
!= JIM_TT_SEP
&& type
!= JIM_TT_EOL
)
2904 JimSetSourceInfo(interp
, token
->objPtr
, filename
, linenr
);
2905 Jim_IncrRefCount(token
->objPtr
);
2906 token
->linenr
= linenr
;
2909 /* Add an integer into the command structure field of the script object. */
2910 static void ScriptObjAddInt(struct ScriptObj
*script
, int val
)
2913 script
->cmdStruct
= Jim_Realloc(script
->cmdStruct
,
2914 sizeof(int)*script
->csLen
);
2915 script
->cmdStruct
[script
->csLen
-1] = val
;
2918 /* Search a Jim_Obj contained in 'script' with the same stinrg repr.
2919 * of objPtr. Search nested script objects recursively. */
2920 static Jim_Obj
*ScriptSearchLiteral(Jim_Interp
*interp
, ScriptObj
*script
,
2921 ScriptObj
*scriptBarrier
, Jim_Obj
*objPtr
)
2925 for (i
= 0; i
< script
->len
; i
++) {
2926 if (script
->token
[i
].objPtr
!= objPtr
&&
2927 Jim_StringEqObj(script
->token
[i
].objPtr
, objPtr
, 0)) {
2928 return script
->token
[i
].objPtr
;
2930 /* Enter recursively on scripts only if the object
2931 * is not the same as the one we are searching for
2932 * shared occurrences. */
2933 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
&&
2934 script
->token
[i
].objPtr
!= objPtr
) {
2935 Jim_Obj
*foundObjPtr
;
2937 ScriptObj
*subScript
=
2938 script
->token
[i
].objPtr
->internalRep
.ptr
;
2939 /* Don't recursively enter the script we are trying
2940 * to make shared to avoid circular references. */
2941 if (subScript
== scriptBarrier
) continue;
2942 if (subScript
!= script
) {
2944 ScriptSearchLiteral(interp
, subScript
,
2945 scriptBarrier
, objPtr
);
2946 if (foundObjPtr
!= NULL
)
2954 /* Share literals of a script recursively sharing sub-scripts literals. */
2955 static void ScriptShareLiterals(Jim_Interp
*interp
, ScriptObj
*script
,
2956 ScriptObj
*topLevelScript
)
2961 /* Try to share with toplevel object. */
2962 if (topLevelScript
!= NULL
) {
2963 for (i
= 0; i
< script
->len
; i
++) {
2964 Jim_Obj
*foundObjPtr
;
2965 char *str
= script
->token
[i
].objPtr
->bytes
;
2967 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2968 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
) continue;
2969 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2970 foundObjPtr
= ScriptSearchLiteral(interp
,
2972 script
, /* barrier */
2973 script
->token
[i
].objPtr
);
2974 if (foundObjPtr
!= NULL
) {
2975 Jim_IncrRefCount(foundObjPtr
);
2976 Jim_DecrRefCount(interp
,
2977 script
->token
[i
].objPtr
);
2978 script
->token
[i
].objPtr
= foundObjPtr
;
2982 /* Try to share locally */
2983 for (i
= 0; i
< script
->len
; i
++) {
2984 char *str
= script
->token
[i
].objPtr
->bytes
;
2986 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2987 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2988 for (j
= 0; j
< script
->len
; j
++) {
2989 if (script
->token
[i
].objPtr
!=
2990 script
->token
[j
].objPtr
&&
2991 Jim_StringEqObj(script
->token
[i
].objPtr
,
2992 script
->token
[j
].objPtr
, 0))
2994 Jim_IncrRefCount(script
->token
[j
].objPtr
);
2995 Jim_DecrRefCount(interp
,
2996 script
->token
[i
].objPtr
);
2997 script
->token
[i
].objPtr
=
2998 script
->token
[j
].objPtr
;
3004 /* This method takes the string representation of an object
3005 * as a Tcl script, and generates the pre-parsed internal representation
3007 int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
3010 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
3011 struct JimParserCtx parser
;
3012 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
3014 int args
, tokens
, start
, end
, i
;
3015 int initialLineNumber
;
3016 int propagateSourceInfo
= 0;
3020 script
->commands
= 0;
3021 script
->token
= NULL
;
3022 script
->cmdStruct
= NULL
;
3024 /* Try to get information about filename / line number */
3025 if (objPtr
->typePtr
== &sourceObjType
) {
3027 Jim_StrDup(objPtr
->internalRep
.sourceValue
.fileName
);
3028 initialLineNumber
= objPtr
->internalRep
.sourceValue
.lineNumber
;
3029 propagateSourceInfo
= 1;
3031 script
->fileName
= Jim_StrDup("");
3032 initialLineNumber
= 1;
3035 JimParserInit(&parser
, scriptText
, scriptTextLen
, initialLineNumber
);
3036 while(!JimParserEof(&parser
)) {
3038 int len
, type
, linenr
;
3040 JimParseScript(&parser
);
3041 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
3042 ScriptObjAddToken(interp
, script
, token
, len
, type
,
3043 propagateSourceInfo
? script
->fileName
: NULL
,
3046 token
= script
->token
;
3048 /* Compute the command structure array
3049 * (see the ScriptObj struct definition for more info) */
3050 start
= 0; /* Current command start token index */
3051 end
= -1; /* Current command end token index */
3053 int expand
= 0; /* expand flag. set to 1 on {expand} form. */
3054 int interpolation
= 0; /* set to 1 if there is at least one
3055 argument of the command obtained via
3056 interpolation of more tokens. */
3057 /* Search for the end of command, while
3058 * count the number of args. */
3060 if (start
>= script
->len
) break;
3061 args
= 1; /* Number of args in current command */
3062 while (token
[end
].type
!= JIM_TT_EOL
) {
3063 if (end
== 0 || token
[end
-1].type
== JIM_TT_SEP
||
3064 token
[end
-1].type
== JIM_TT_EOL
)
3066 if (token
[end
].type
== JIM_TT_STR
&&
3067 token
[end
+1].type
!= JIM_TT_SEP
&&
3068 token
[end
+1].type
!= JIM_TT_EOL
&&
3069 (!strcmp(token
[end
].objPtr
->bytes
, "expand") ||
3070 !strcmp(token
[end
].objPtr
->bytes
, "*")))
3073 if (token
[end
].type
== JIM_TT_SEP
)
3077 interpolation
= !((end
-start
+1) == args
*2);
3078 /* Add the 'number of arguments' info into cmdstruct.
3079 * Negative value if there is list expansion involved. */
3081 ScriptObjAddInt(script
, -1);
3082 ScriptObjAddInt(script
, args
);
3083 /* Now add info about the number of tokens. */
3084 tokens
= 0; /* Number of tokens in current argument. */
3086 for (i
= start
; i
<= end
; i
++) {
3087 if (token
[i
].type
== JIM_TT_SEP
||
3088 token
[i
].type
== JIM_TT_EOL
)
3090 if (tokens
== 1 && expand
)
3092 ScriptObjAddInt(script
,
3093 expand
? -tokens
: tokens
);
3098 } else if (tokens
== 0 && token
[i
].type
== JIM_TT_STR
&&
3099 (!strcmp(token
[i
].objPtr
->bytes
, "expand") ||
3100 !strcmp(token
[i
].objPtr
->bytes
, "*")))
3107 /* Perform literal sharing, but only for objects that appear
3108 * to be scripts written as literals inside the source code,
3109 * and not computed at runtime. Literal sharing is a costly
3110 * operation that should be done only against objects that
3111 * are likely to require compilation only the first time, and
3112 * then are executed multiple times. */
3113 if (propagateSourceInfo
&& interp
->framePtr
->procBodyObjPtr
) {
3114 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
3115 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
3116 ScriptObj
*bodyScript
=
3117 bodyObjPtr
->internalRep
.ptr
;
3118 ScriptShareLiterals(interp
, script
, bodyScript
);
3120 } else if (propagateSourceInfo
) {
3121 ScriptShareLiterals(interp
, script
, NULL
);
3123 /* Free the old internal rep and set the new one. */
3124 Jim_FreeIntRep(interp
, objPtr
);
3125 Jim_SetIntRepPtr(objPtr
, script
);
3126 objPtr
->typePtr
= &scriptObjType
;
3130 ScriptObj
*Jim_GetScript(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3132 if (objPtr
->typePtr
!= &scriptObjType
) {
3133 SetScriptFromAny(interp
, objPtr
);
3135 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
3138 /* -----------------------------------------------------------------------------
3140 * ---------------------------------------------------------------------------*/
3142 /* Commands HashTable Type.
3144 * Keys are dynamic allocated strings, Values are Jim_Cmd structures. */
3145 static void Jim_CommandsHT_ValDestructor(void *interp
, void *val
)
3147 Jim_Cmd
*cmdPtr
= (void*) val
;
3149 if (cmdPtr
->cmdProc
== NULL
) {
3150 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3151 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3152 if (cmdPtr
->staticVars
) {
3153 Jim_FreeHashTable(cmdPtr
->staticVars
);
3154 Jim_Free(cmdPtr
->staticVars
);
3156 } else if (cmdPtr
->delProc
!= NULL
) {
3157 /* If it was a C coded command, call the delProc if any */
3158 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3163 static Jim_HashTableType JimCommandsHashTableType
= {
3164 JimStringCopyHTHashFunction
, /* hash function */
3165 JimStringCopyHTKeyDup
, /* key dup */
3167 JimStringCopyHTKeyCompare
, /* key compare */
3168 JimStringCopyHTKeyDestructor
, /* key destructor */
3169 Jim_CommandsHT_ValDestructor
/* val destructor */
3172 /* ------------------------- Commands related functions --------------------- */
3174 int Jim_CreateCommand(Jim_Interp
*interp
, const char *cmdName
,
3175 Jim_CmdProc cmdProc
, void *privData
, Jim_DelCmdProc delProc
)
3180 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3181 if (he
== NULL
) { /* New command to create */
3182 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3183 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3185 Jim_InterpIncrProcEpoch(interp
);
3186 /* Free the arglist/body objects if it was a Tcl procedure */
3188 if (cmdPtr
->cmdProc
== NULL
) {
3189 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3190 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3191 if (cmdPtr
->staticVars
) {
3192 Jim_FreeHashTable(cmdPtr
->staticVars
);
3193 Jim_Free(cmdPtr
->staticVars
);
3195 cmdPtr
->staticVars
= NULL
;
3196 } else if (cmdPtr
->delProc
!= NULL
) {
3197 /* If it was a C coded command, call the delProc if any */
3198 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3202 /* Store the new details for this proc */
3203 cmdPtr
->delProc
= delProc
;
3204 cmdPtr
->cmdProc
= cmdProc
;
3205 cmdPtr
->privData
= privData
;
3207 /* There is no need to increment the 'proc epoch' because
3208 * creation of a new procedure can never affect existing
3209 * cached commands. We don't do negative caching. */
3213 int Jim_CreateProcedure(Jim_Interp
*interp
, const char *cmdName
,
3214 Jim_Obj
*argListObjPtr
, Jim_Obj
*staticsListObjPtr
, Jim_Obj
*bodyObjPtr
,
3215 int arityMin
, int arityMax
)
3219 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3220 cmdPtr
->cmdProc
= NULL
; /* Not a C coded command */
3221 cmdPtr
->argListObjPtr
= argListObjPtr
;
3222 cmdPtr
->bodyObjPtr
= bodyObjPtr
;
3223 Jim_IncrRefCount(argListObjPtr
);
3224 Jim_IncrRefCount(bodyObjPtr
);
3225 cmdPtr
->arityMin
= arityMin
;
3226 cmdPtr
->arityMax
= arityMax
;
3227 cmdPtr
->staticVars
= NULL
;
3229 /* Create the statics hash table. */
3230 if (staticsListObjPtr
) {
3233 Jim_ListLength(interp
, staticsListObjPtr
, &len
);
3235 cmdPtr
->staticVars
= Jim_Alloc(sizeof(Jim_HashTable
));
3236 Jim_InitHashTable(cmdPtr
->staticVars
, &JimVariablesHashTableType
,
3238 for (i
= 0; i
< len
; i
++) {
3239 Jim_Obj
*objPtr
, *initObjPtr
, *nameObjPtr
;
3243 Jim_ListIndex(interp
, staticsListObjPtr
, i
, &objPtr
, JIM_NONE
);
3244 /* Check if it's composed of two elements. */
3245 Jim_ListLength(interp
, objPtr
, &subLen
);
3246 if (subLen
== 1 || subLen
== 2) {
3247 /* Try to get the variable value from the current
3249 Jim_ListIndex(interp
, objPtr
, 0, &nameObjPtr
, JIM_NONE
);
3251 initObjPtr
= Jim_GetVariable(interp
, nameObjPtr
,
3253 if (initObjPtr
== NULL
) {
3254 Jim_SetResult(interp
,
3255 Jim_NewEmptyStringObj(interp
));
3256 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3257 "variable for initialization of static \"",
3258 Jim_GetString(nameObjPtr
, NULL
),
3259 "\" not found in the local context",
3264 Jim_ListIndex(interp
, objPtr
, 1, &initObjPtr
, JIM_NONE
);
3266 varPtr
= Jim_Alloc(sizeof(*varPtr
));
3267 varPtr
->objPtr
= initObjPtr
;
3268 Jim_IncrRefCount(initObjPtr
);
3269 varPtr
->linkFramePtr
= NULL
;
3270 if (Jim_AddHashEntry(cmdPtr
->staticVars
,
3271 Jim_GetString(nameObjPtr
, NULL
),
3274 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3275 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3276 "static variable name \"",
3277 Jim_GetString(objPtr
, NULL
), "\"",
3278 " duplicated in statics list", NULL
);
3279 Jim_DecrRefCount(interp
, initObjPtr
);
3284 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3285 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3286 "too many fields in static specifier \"",
3287 objPtr
, "\"", NULL
);
3294 /* Add the new command */
3296 /* it may already exist, so we try to delete the old one */
3297 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) != JIM_ERR
) {
3298 /* There was an old procedure with the same name, this requires
3299 * a 'proc epoch' update. */
3300 Jim_InterpIncrProcEpoch(interp
);
3302 /* If a procedure with the same name didn't existed there is no need
3303 * to increment the 'proc epoch' because creation of a new procedure
3304 * can never affect existing cached commands. We don't do
3305 * negative caching. */
3306 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3310 Jim_FreeHashTable(cmdPtr
->staticVars
);
3311 Jim_Free(cmdPtr
->staticVars
);
3312 Jim_DecrRefCount(interp
, argListObjPtr
);
3313 Jim_DecrRefCount(interp
, bodyObjPtr
);
3318 int Jim_DeleteCommand(Jim_Interp
*interp
, const char *cmdName
)
3320 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) == JIM_ERR
)
3322 Jim_InterpIncrProcEpoch(interp
);
3326 int Jim_RenameCommand(Jim_Interp
*interp
, const char *oldName
,
3327 const char *newName
)
3331 Jim_Cmd
*copyCmdPtr
;
3333 if (newName
[0] == '\0') /* Delete! */
3334 return Jim_DeleteCommand(interp
, oldName
);
3336 he
= Jim_FindHashEntry(&interp
->commands
, oldName
);
3338 return JIM_ERR
; /* Invalid command name */
3340 copyCmdPtr
= Jim_Alloc(sizeof(Jim_Cmd
));
3341 *copyCmdPtr
= *cmdPtr
;
3342 /* In order to avoid that a procedure will get arglist/body/statics
3343 * freed by the hash table methods, fake a C-coded command
3344 * setting cmdPtr->cmdProc as not NULL */
3345 cmdPtr
->cmdProc
= (void*)1;
3346 /* Also make sure delProc is NULL. */
3347 cmdPtr
->delProc
= NULL
;
3348 /* Destroy the old command, and make sure the new is freed
3350 Jim_DeleteHashEntry(&interp
->commands
, oldName
);
3351 Jim_DeleteHashEntry(&interp
->commands
, newName
);
3352 /* Now the new command. We are sure it can't fail because
3353 * the target name was already freed. */
3354 Jim_AddHashEntry(&interp
->commands
, newName
, copyCmdPtr
);
3355 /* Increment the epoch */
3356 Jim_InterpIncrProcEpoch(interp
);
3360 /* -----------------------------------------------------------------------------
3362 * ---------------------------------------------------------------------------*/
3364 static int SetCommandFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3366 static Jim_ObjType commandObjType
= {
3371 JIM_TYPE_REFERENCES
,
3374 int SetCommandFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3377 const char *cmdName
;
3379 /* Get the string representation */
3380 cmdName
= Jim_GetString(objPtr
, NULL
);
3381 /* Lookup this name into the commands hash table */
3382 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3386 /* Free the old internal repr and set the new one. */
3387 Jim_FreeIntRep(interp
, objPtr
);
3388 objPtr
->typePtr
= &commandObjType
;
3389 objPtr
->internalRep
.cmdValue
.procEpoch
= interp
->procEpoch
;
3390 objPtr
->internalRep
.cmdValue
.cmdPtr
= (void*)he
->val
;
3394 /* This function returns the command structure for the command name
3395 * stored in objPtr. It tries to specialize the objPtr to contain
3396 * a cached info instead to perform the lookup into the hash table
3397 * every time. The information cached may not be uptodate, in such
3398 * a case the lookup is performed and the cache updated. */
3399 Jim_Cmd
*Jim_GetCommand(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
3401 if ((objPtr
->typePtr
!= &commandObjType
||
3402 objPtr
->internalRep
.cmdValue
.procEpoch
!= interp
->procEpoch
) &&
3403 SetCommandFromAny(interp
, objPtr
) == JIM_ERR
) {
3404 if (flags
& JIM_ERRMSG
) {
3405 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3406 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3407 "invalid command name \"", objPtr
->bytes
, "\"",
3412 return objPtr
->internalRep
.cmdValue
.cmdPtr
;
3415 /* -----------------------------------------------------------------------------
3417 * ---------------------------------------------------------------------------*/
3419 /* Variables HashTable Type.
3421 * Keys are dynamic allocated strings, Values are Jim_Var structures. */
3422 static void JimVariablesHTValDestructor(void *interp
, void *val
)
3424 Jim_Var
*varPtr
= (void*) val
;
3426 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3430 static Jim_HashTableType JimVariablesHashTableType
= {
3431 JimStringCopyHTHashFunction
, /* hash function */
3432 JimStringCopyHTKeyDup
, /* key dup */
3434 JimStringCopyHTKeyCompare
, /* key compare */
3435 JimStringCopyHTKeyDestructor
, /* key destructor */
3436 JimVariablesHTValDestructor
/* val destructor */
3439 /* -----------------------------------------------------------------------------
3441 * ---------------------------------------------------------------------------*/
3443 #define JIM_DICT_SUGAR 100 /* Only returned by SetVariableFromAny() */
3445 static int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3447 static Jim_ObjType variableObjType
= {
3452 JIM_TYPE_REFERENCES
,
3455 /* Return true if the string "str" looks like syntax sugar for [dict]. I.e.
3456 * is in the form "varname(key)". */
3457 static int Jim_NameIsDictSugar(const char *str
, int len
)
3461 if (len
&& str
[len
-1] == ')' && strchr(str
, '(') != NULL
)
3466 /* This method should be called only by the variable API.
3467 * It returns JIM_OK on success (variable already exists),
3468 * JIM_ERR if it does not exists, JIM_DICT_GLUE if it's not
3469 * a variable name, but syntax glue for [dict] i.e. the last
3470 * character is ')' */
3471 int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
3474 const char *varName
;
3477 /* Check if the object is already an uptodate variable */
3478 if (objPtr
->typePtr
== &variableObjType
&&
3479 objPtr
->internalRep
.varValue
.callFrameId
== interp
->framePtr
->id
)
3480 return JIM_OK
; /* nothing to do */
3481 /* Get the string representation */
3482 varName
= Jim_GetString(objPtr
, &len
);
3483 /* Make sure it's not syntax glue to get/set dict. */
3484 if (Jim_NameIsDictSugar(varName
, len
))
3485 return JIM_DICT_SUGAR
;
3486 if (varName
[0] == ':' && varName
[1] == ':') {
3487 he
= Jim_FindHashEntry(&interp
->topFramePtr
->vars
, varName
+ 2);
3493 /* Lookup this name into the variables hash table */
3494 he
= Jim_FindHashEntry(&interp
->framePtr
->vars
, varName
);
3496 /* Try with static vars. */
3497 if (interp
->framePtr
->staticVars
== NULL
)
3499 if (!(he
= Jim_FindHashEntry(interp
->framePtr
->staticVars
, varName
)))
3503 /* Free the old internal repr and set the new one. */
3504 Jim_FreeIntRep(interp
, objPtr
);
3505 objPtr
->typePtr
= &variableObjType
;
3506 objPtr
->internalRep
.varValue
.callFrameId
= interp
->framePtr
->id
;
3507 objPtr
->internalRep
.varValue
.varPtr
= (void*)he
->val
;
3511 /* -------------------- Variables related functions ------------------------- */
3512 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
,
3513 Jim_Obj
*valObjPtr
);
3514 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
);
3516 /* For now that's dummy. Variables lookup should be optimized
3517 * in many ways, with caching of lookups, and possibly with
3518 * a table of pre-allocated vars in every CallFrame for local vars.
3519 * All the caching should also have an 'epoch' mechanism similar
3520 * to the one used by Tcl for procedures lookup caching. */
3522 int Jim_SetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, Jim_Obj
*valObjPtr
)
3528 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3529 /* Check for [dict] syntax sugar. */
3530 if (err
== JIM_DICT_SUGAR
)
3531 return JimDictSugarSet(interp
, nameObjPtr
, valObjPtr
);
3532 /* New variable to create */
3533 name
= Jim_GetString(nameObjPtr
, NULL
);
3535 var
= Jim_Alloc(sizeof(*var
));
3536 var
->objPtr
= valObjPtr
;
3537 Jim_IncrRefCount(valObjPtr
);
3538 var
->linkFramePtr
= NULL
;
3539 /* Insert the new variable */
3540 if (name
[0] == ':' && name
[1] == ':') {
3541 /* Into to the top evel frame */
3542 Jim_AddHashEntry(&interp
->topFramePtr
->vars
, name
+ 2, var
);
3545 Jim_AddHashEntry(&interp
->framePtr
->vars
, name
, var
);
3547 /* Make the object int rep a variable */
3548 Jim_FreeIntRep(interp
, nameObjPtr
);
3549 nameObjPtr
->typePtr
= &variableObjType
;
3550 nameObjPtr
->internalRep
.varValue
.callFrameId
=
3551 interp
->framePtr
->id
;
3552 nameObjPtr
->internalRep
.varValue
.varPtr
= var
;
3554 var
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3555 if (var
->linkFramePtr
== NULL
) {
3556 Jim_IncrRefCount(valObjPtr
);
3557 Jim_DecrRefCount(interp
, var
->objPtr
);
3558 var
->objPtr
= valObjPtr
;
3559 } else { /* Else handle the link */
3560 Jim_CallFrame
*savedCallFrame
;
3562 savedCallFrame
= interp
->framePtr
;
3563 interp
->framePtr
= var
->linkFramePtr
;
3564 err
= Jim_SetVariable(interp
, var
->objPtr
, valObjPtr
);
3565 interp
->framePtr
= savedCallFrame
;
3573 int Jim_SetVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3575 Jim_Obj
*nameObjPtr
;
3578 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3579 Jim_IncrRefCount(nameObjPtr
);
3580 result
= Jim_SetVariable(interp
, nameObjPtr
, objPtr
);
3581 Jim_DecrRefCount(interp
, nameObjPtr
);
3585 int Jim_SetGlobalVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3587 Jim_CallFrame
*savedFramePtr
;
3590 savedFramePtr
= interp
->framePtr
;
3591 interp
->framePtr
= interp
->topFramePtr
;
3592 result
= Jim_SetVariableStr(interp
, name
, objPtr
);
3593 interp
->framePtr
= savedFramePtr
;
3597 int Jim_SetVariableStrWithStr(Jim_Interp
*interp
, const char *name
, const char *val
)
3599 Jim_Obj
*nameObjPtr
, *valObjPtr
;
3602 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3603 valObjPtr
= Jim_NewStringObj(interp
, val
, -1);
3604 Jim_IncrRefCount(nameObjPtr
);
3605 Jim_IncrRefCount(valObjPtr
);
3606 result
= Jim_SetVariable(interp
, nameObjPtr
, valObjPtr
);
3607 Jim_DecrRefCount(interp
, nameObjPtr
);
3608 Jim_DecrRefCount(interp
, valObjPtr
);
3612 int Jim_SetVariableLink(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3613 Jim_Obj
*targetNameObjPtr
, Jim_CallFrame
*targetCallFrame
)
3615 const char *varName
;
3618 /* Check for cycles. */
3619 if (interp
->framePtr
== targetCallFrame
) {
3620 Jim_Obj
*objPtr
= targetNameObjPtr
;
3622 /* Cycles are only possible with 'uplevel 0' */
3624 if (Jim_StringEqObj(objPtr
, nameObjPtr
, 0)) {
3625 Jim_SetResultString(interp
,
3626 "can't upvar from variable to itself", -1);
3629 if (SetVariableFromAny(interp
, objPtr
) != JIM_OK
)
3631 varPtr
= objPtr
->internalRep
.varValue
.varPtr
;
3632 if (varPtr
->linkFramePtr
!= targetCallFrame
) break;
3633 objPtr
= varPtr
->objPtr
;
3636 varName
= Jim_GetString(nameObjPtr
, &len
);
3637 if (Jim_NameIsDictSugar(varName
, len
)) {
3638 Jim_SetResultString(interp
,
3639 "Dict key syntax invalid as link source", -1);
3642 /* Perform the binding */
3643 Jim_SetVariable(interp
, nameObjPtr
, targetNameObjPtr
);
3644 /* We are now sure 'nameObjPtr' type is variableObjType */
3645 nameObjPtr
->internalRep
.varValue
.varPtr
->linkFramePtr
= targetCallFrame
;
3649 /* Return the Jim_Obj pointer associated with a variable name,
3650 * or NULL if the variable was not found in the current context.
3651 * The same optimization discussed in the comment to the
3652 * 'SetVariable' function should apply here. */
3653 Jim_Obj
*Jim_GetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3657 /* All the rest is handled here */
3658 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3659 /* Check for [dict] syntax sugar. */
3660 if (err
== JIM_DICT_SUGAR
)
3661 return JimDictSugarGet(interp
, nameObjPtr
);
3662 if (flags
& JIM_ERRMSG
) {
3663 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3664 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3665 "can't read \"", nameObjPtr
->bytes
,
3666 "\": no such variable", NULL
);
3672 Jim_CallFrame
*savedCallFrame
;
3674 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3675 if (varPtr
->linkFramePtr
== NULL
)
3676 return varPtr
->objPtr
;
3677 /* The variable is a link? Resolve it. */
3678 savedCallFrame
= interp
->framePtr
;
3679 interp
->framePtr
= varPtr
->linkFramePtr
;
3680 objPtr
= Jim_GetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3681 if (objPtr
== NULL
&& flags
& JIM_ERRMSG
) {
3682 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3683 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3684 "can't read \"", nameObjPtr
->bytes
,
3685 "\": no such variable", NULL
);
3687 interp
->framePtr
= savedCallFrame
;
3692 Jim_Obj
*Jim_GetGlobalVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3695 Jim_CallFrame
*savedFramePtr
;
3698 savedFramePtr
= interp
->framePtr
;
3699 interp
->framePtr
= interp
->topFramePtr
;
3700 objPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3701 interp
->framePtr
= savedFramePtr
;
3706 Jim_Obj
*Jim_GetVariableStr(Jim_Interp
*interp
, const char *name
, int flags
)
3708 Jim_Obj
*nameObjPtr
, *varObjPtr
;
3710 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3711 Jim_IncrRefCount(nameObjPtr
);
3712 varObjPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3713 Jim_DecrRefCount(interp
, nameObjPtr
);
3717 Jim_Obj
*Jim_GetGlobalVariableStr(Jim_Interp
*interp
, const char *name
,
3720 Jim_CallFrame
*savedFramePtr
;
3723 savedFramePtr
= interp
->framePtr
;
3724 interp
->framePtr
= interp
->topFramePtr
;
3725 objPtr
= Jim_GetVariableStr(interp
, name
, flags
);
3726 interp
->framePtr
= savedFramePtr
;
3731 /* Unset a variable.
3732 * Note: On success unset invalidates all the variable objects created
3733 * in the current call frame incrementing. */
3734 int Jim_UnsetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3740 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3741 /* Check for [dict] syntax sugar. */
3742 if (err
== JIM_DICT_SUGAR
)
3743 return JimDictSugarSet(interp
, nameObjPtr
, NULL
);
3744 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3745 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3746 "can't unset \"", nameObjPtr
->bytes
,
3747 "\": no such variable", NULL
);
3748 return JIM_ERR
; /* var not found */
3750 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3751 /* If it's a link call UnsetVariable recursively */
3752 if (varPtr
->linkFramePtr
) {
3755 Jim_CallFrame
*savedCallFrame
;
3757 savedCallFrame
= interp
->framePtr
;
3758 interp
->framePtr
= varPtr
->linkFramePtr
;
3759 retval
= Jim_UnsetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3760 interp
->framePtr
= savedCallFrame
;
3761 if (retval
!= JIM_OK
&& flags
& JIM_ERRMSG
) {
3762 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3763 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3764 "can't unset \"", nameObjPtr
->bytes
,
3765 "\": no such variable", NULL
);
3769 name
= Jim_GetString(nameObjPtr
, NULL
);
3770 if (Jim_DeleteHashEntry(&interp
->framePtr
->vars
, name
)
3771 != JIM_OK
) return JIM_ERR
;
3772 /* Change the callframe id, invalidating var lookup caching */
3773 JimChangeCallFrameId(interp
, interp
->framePtr
);
3778 /* ---------- Dict syntax sugar (similar to array Tcl syntax) -------------- */
3780 /* Given a variable name for [dict] operation syntax sugar,
3781 * this function returns two objects, the first with the name
3782 * of the variable to set, and the second with the rispective key.
3783 * For example "foo(bar)" will return objects with string repr. of
3786 * The returned objects have refcount = 1. The function can't fail. */
3787 static void JimDictSugarParseVarKey(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3788 Jim_Obj
**varPtrPtr
, Jim_Obj
**keyPtrPtr
)
3790 const char *str
, *p
;
3792 int len
, keyLen
, nameLen
;
3793 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3795 str
= Jim_GetString(objPtr
, &len
);
3796 p
= strchr(str
, '(');
3798 keyLen
= len
-((p
-str
)+1);
3799 nameLen
= (p
-str
)-1;
3800 /* Create the objects with the variable name and key. */
3801 t
= Jim_Alloc(nameLen
+1);
3802 memcpy(t
, str
, nameLen
);
3804 varObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, nameLen
);
3806 t
= Jim_Alloc(keyLen
+1);
3807 memcpy(t
, p
, keyLen
);
3809 keyObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, keyLen
);
3811 Jim_IncrRefCount(varObjPtr
);
3812 Jim_IncrRefCount(keyObjPtr
);
3813 *varPtrPtr
= varObjPtr
;
3814 *keyPtrPtr
= keyObjPtr
;
3817 /* Helper of Jim_SetVariable() to deal with dict-syntax variable names.
3818 * Also used by Jim_UnsetVariable() with valObjPtr = NULL. */
3819 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3822 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3825 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3826 err
= Jim_SetDictKeysVector(interp
, varObjPtr
, &keyObjPtr
, 1,
3828 Jim_DecrRefCount(interp
, varObjPtr
);
3829 Jim_DecrRefCount(interp
, keyObjPtr
);
3833 /* Helper of Jim_GetVariable() to deal with dict-syntax variable names */
3834 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3836 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3838 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3839 dictObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
3844 if (Jim_DictKey(interp
, dictObjPtr
, keyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3849 Jim_DecrRefCount(interp
, varObjPtr
);
3850 Jim_DecrRefCount(interp
, keyObjPtr
);
3854 /* --------- $var(INDEX) substitution, using a specialized object ----------- */
3856 static void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
3857 static void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3860 static Jim_ObjType dictSubstObjType
= {
3861 "dict-substitution",
3862 FreeDictSubstInternalRep
,
3863 DupDictSubstInternalRep
,
3868 void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3870 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
);
3871 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
);
3874 void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3877 JIM_NOTUSED(interp
);
3879 dupPtr
->internalRep
.dictSubstValue
.varNameObjPtr
=
3880 srcPtr
->internalRep
.dictSubstValue
.varNameObjPtr
;
3881 dupPtr
->internalRep
.dictSubstValue
.indexObjPtr
=
3882 srcPtr
->internalRep
.dictSubstValue
.indexObjPtr
;
3883 dupPtr
->typePtr
= &dictSubstObjType
;
3886 /* This function is used to expand [dict get] sugar in the form
3887 * of $var(INDEX). The function is mainly used by Jim_EvalObj()
3888 * to deal with tokens of type JIM_TT_DICTSUGAR. objPtr points to an
3889 * object that is *guaranteed* to be in the form VARNAME(INDEX).
3890 * The 'index' part is [subst]ituted, and is used to lookup a key inside
3891 * the [dict]ionary contained in variable VARNAME. */
3892 Jim_Obj
*Jim_ExpandDictSugar(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3894 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3895 Jim_Obj
*substKeyObjPtr
= NULL
;
3897 if (objPtr
->typePtr
!= &dictSubstObjType
) {
3898 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3899 Jim_FreeIntRep(interp
, objPtr
);
3900 objPtr
->typePtr
= &dictSubstObjType
;
3901 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
= varObjPtr
;
3902 objPtr
->internalRep
.dictSubstValue
.indexObjPtr
= keyObjPtr
;
3904 if (Jim_SubstObj(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
,
3905 &substKeyObjPtr
, JIM_NONE
)
3907 substKeyObjPtr
= NULL
;
3910 Jim_IncrRefCount(substKeyObjPtr
);
3911 dictObjPtr
= Jim_GetVariable(interp
,
3912 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
, JIM_ERRMSG
);
3917 if (Jim_DictKey(interp
, dictObjPtr
, substKeyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3923 if (substKeyObjPtr
) Jim_DecrRefCount(interp
, substKeyObjPtr
);
3927 /* -----------------------------------------------------------------------------
3929 * ---------------------------------------------------------------------------*/
3931 static Jim_CallFrame
*JimCreateCallFrame(Jim_Interp
*interp
)
3934 if (interp
->freeFramesList
) {
3935 cf
= interp
->freeFramesList
;
3936 interp
->freeFramesList
= cf
->nextFramePtr
;
3938 cf
= Jim_Alloc(sizeof(*cf
));
3939 cf
->vars
.table
= NULL
;
3942 cf
->id
= interp
->callFrameEpoch
++;
3943 cf
->parentCallFrame
= NULL
;
3946 cf
->procArgsObjPtr
= NULL
;
3947 cf
->procBodyObjPtr
= NULL
;
3948 cf
->nextFramePtr
= NULL
;
3949 cf
->staticVars
= NULL
;
3950 if (cf
->vars
.table
== NULL
)
3951 Jim_InitHashTable(&cf
->vars
, &JimVariablesHashTableType
, interp
);
3955 /* Used to invalidate every caching related to callframe stability. */
3956 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
)
3958 cf
->id
= interp
->callFrameEpoch
++;
3961 #define JIM_FCF_NONE 0 /* no flags */
3962 #define JIM_FCF_NOHT 1 /* don't free the hash table */
3963 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
,
3966 if (cf
->procArgsObjPtr
) Jim_DecrRefCount(interp
, cf
->procArgsObjPtr
);
3967 if (cf
->procBodyObjPtr
) Jim_DecrRefCount(interp
, cf
->procBodyObjPtr
);
3968 if (!(flags
& JIM_FCF_NOHT
))
3969 Jim_FreeHashTable(&cf
->vars
);
3972 Jim_HashEntry
**table
= cf
->vars
.table
, *he
;
3974 for (i
= 0; i
< JIM_HT_INITIAL_SIZE
; i
++) {
3976 while (he
!= NULL
) {
3977 Jim_HashEntry
*nextEntry
= he
->next
;
3978 Jim_Var
*varPtr
= (void*) he
->val
;
3980 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3982 Jim_Free((void*)he
->key
); /* ATTENTION: const cast */
3990 cf
->nextFramePtr
= interp
->freeFramesList
;
3991 interp
->freeFramesList
= cf
;
3994 /* -----------------------------------------------------------------------------
3996 * ---------------------------------------------------------------------------*/
3998 /* References HashTable Type.
4000 * Keys are jim_wide integers, dynamically allocated for now but in the
4001 * future it's worth to cache this 8 bytes objects. Values are poitners
4002 * to Jim_References. */
4003 static void JimReferencesHTValDestructor(void *interp
, void *val
)
4005 Jim_Reference
*refPtr
= (void*) val
;
4007 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
4008 if (refPtr
->finalizerCmdNamePtr
!= NULL
) {
4009 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4014 unsigned int JimReferencesHTHashFunction(const void *key
)
4016 /* Only the least significant bits are used. */
4017 const jim_wide
*widePtr
= key
;
4018 unsigned int intValue
= (unsigned int) *widePtr
;
4019 return Jim_IntHashFunction(intValue
);
4022 unsigned int JimReferencesHTDoubleHashFunction(const void *key
)
4024 /* Only the least significant bits are used. */
4025 const jim_wide
*widePtr
= key
;
4026 unsigned int intValue
= (unsigned int) *widePtr
;
4027 return intValue
; /* identity function. */
4030 const void *JimReferencesHTKeyDup(void *privdata
, const void *key
)
4032 void *copy
= Jim_Alloc(sizeof(jim_wide
));
4033 JIM_NOTUSED(privdata
);
4035 memcpy(copy
, key
, sizeof(jim_wide
));
4039 int JimReferencesHTKeyCompare(void *privdata
, const void *key1
,
4042 JIM_NOTUSED(privdata
);
4044 return memcmp(key1
, key2
, sizeof(jim_wide
)) == 0;
4047 void JimReferencesHTKeyDestructor(void *privdata
, const void *key
)
4049 JIM_NOTUSED(privdata
);
4051 Jim_Free((void*)key
);
4054 static Jim_HashTableType JimReferencesHashTableType
= {
4055 JimReferencesHTHashFunction
, /* hash function */
4056 JimReferencesHTKeyDup
, /* key dup */
4058 JimReferencesHTKeyCompare
, /* key compare */
4059 JimReferencesHTKeyDestructor
, /* key destructor */
4060 JimReferencesHTValDestructor
/* val destructor */
4063 /* -----------------------------------------------------------------------------
4064 * Reference object type and References API
4065 * ---------------------------------------------------------------------------*/
4067 static void UpdateStringOfReference(struct Jim_Obj
*objPtr
);
4069 static Jim_ObjType referenceObjType
= {
4073 UpdateStringOfReference
,
4074 JIM_TYPE_REFERENCES
,
4077 void UpdateStringOfReference(struct Jim_Obj
*objPtr
)
4080 char buf
[JIM_REFERENCE_SPACE
+1];
4081 Jim_Reference
*refPtr
;
4083 refPtr
= objPtr
->internalRep
.refValue
.refPtr
;
4084 len
= JimFormatReference(buf
, refPtr
, objPtr
->internalRep
.refValue
.id
);
4085 objPtr
->bytes
= Jim_Alloc(len
+1);
4086 memcpy(objPtr
->bytes
, buf
, len
+1);
4087 objPtr
->length
= len
;
4090 /* returns true if 'c' is a valid reference tag character.
4091 * i.e. inside the range [_a-zA-Z0-9] */
4092 static int isrefchar(int c
)
4094 if (c
== '_' || (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') ||
4095 (c
>= '0' && c
<= '9')) return 1;
4099 int SetReferenceFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4103 const char *str
, *start
, *end
;
4105 Jim_Reference
*refPtr
;
4108 /* Get the string representation */
4109 str
= Jim_GetString(objPtr
, &len
);
4110 /* Check if it looks like a reference */
4111 if (len
< JIM_REFERENCE_SPACE
) goto badformat
;
4115 while (*start
== ' ') start
++;
4116 while (*end
== ' ' && end
> start
) end
--;
4117 if (end
-start
+1 != JIM_REFERENCE_SPACE
) goto badformat
;
4118 /* <reference.<1234567>.%020> */
4119 if (memcmp(start
, "<reference.<", 12) != 0) goto badformat
;
4120 if (start
[12+JIM_REFERENCE_TAGLEN
] != '>' || end
[0] != '>') goto badformat
;
4121 /* The tag can't contain chars other than a-zA-Z0-9 + '_'. */
4122 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4123 if (!isrefchar(start
[12+i
])) goto badformat
;
4125 /* Extract info from the refernece. */
4126 memcpy(refId
, start
+14+JIM_REFERENCE_TAGLEN
, 20);
4128 /* Try to convert the ID into a jim_wide */
4129 if (Jim_StringToWide(refId
, &wideValue
, 10) != JIM_OK
) goto badformat
;
4130 /* Check if the reference really exists! */
4131 he
= Jim_FindHashEntry(&interp
->references
, &wideValue
);
4133 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4134 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4135 "Invalid reference ID \"", str
, "\"", NULL
);
4139 /* Free the old internal repr and set the new one. */
4140 Jim_FreeIntRep(interp
, objPtr
);
4141 objPtr
->typePtr
= &referenceObjType
;
4142 objPtr
->internalRep
.refValue
.id
= wideValue
;
4143 objPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4147 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4148 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4149 "expected reference but got \"", str
, "\"", NULL
);
4153 /* Returns a new reference pointing to objPtr, having cmdNamePtr
4154 * as finalizer command (or NULL if there is no finalizer).
4155 * The returned reference object has refcount = 0. */
4156 Jim_Obj
*Jim_NewReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*tagPtr
,
4157 Jim_Obj
*cmdNamePtr
)
4159 struct Jim_Reference
*refPtr
;
4160 jim_wide wideValue
= interp
->referenceNextId
;
4165 /* Perform the Garbage Collection if needed. */
4166 Jim_CollectIfNeeded(interp
);
4168 refPtr
= Jim_Alloc(sizeof(*refPtr
));
4169 refPtr
->objPtr
= objPtr
;
4170 Jim_IncrRefCount(objPtr
);
4171 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4173 Jim_IncrRefCount(cmdNamePtr
);
4174 Jim_AddHashEntry(&interp
->references
, &wideValue
, refPtr
);
4175 refObjPtr
= Jim_NewObj(interp
);
4176 refObjPtr
->typePtr
= &referenceObjType
;
4177 refObjPtr
->bytes
= NULL
;
4178 refObjPtr
->internalRep
.refValue
.id
= interp
->referenceNextId
;
4179 refObjPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4180 interp
->referenceNextId
++;
4181 /* Set the tag. Trimmered at JIM_REFERENCE_TAGLEN. Everything
4182 * that does not pass the 'isrefchar' test is replaced with '_' */
4183 tag
= Jim_GetString(tagPtr
, &tagLen
);
4184 if (tagLen
> JIM_REFERENCE_TAGLEN
)
4185 tagLen
= JIM_REFERENCE_TAGLEN
;
4186 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4188 refPtr
->tag
[i
] = tag
[i
];
4190 refPtr
->tag
[i
] = '_';
4192 refPtr
->tag
[JIM_REFERENCE_TAGLEN
] = '\0';
4196 Jim_Reference
*Jim_GetReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4198 if (objPtr
->typePtr
!= &referenceObjType
&&
4199 SetReferenceFromAny(interp
, objPtr
) == JIM_ERR
)
4201 return objPtr
->internalRep
.refValue
.refPtr
;
4204 int Jim_SetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*cmdNamePtr
)
4206 Jim_Reference
*refPtr
;
4208 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4210 Jim_IncrRefCount(cmdNamePtr
);
4211 if (refPtr
->finalizerCmdNamePtr
)
4212 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4213 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4217 int Jim_GetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
**cmdNamePtrPtr
)
4219 Jim_Reference
*refPtr
;
4221 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4223 *cmdNamePtrPtr
= refPtr
->finalizerCmdNamePtr
;
4227 /* -----------------------------------------------------------------------------
4228 * References Garbage Collection
4229 * ---------------------------------------------------------------------------*/
4231 /* This the hash table type for the "MARK" phase of the GC */
4232 static Jim_HashTableType JimRefMarkHashTableType
= {
4233 JimReferencesHTHashFunction
, /* hash function */
4234 JimReferencesHTKeyDup
, /* key dup */
4236 JimReferencesHTKeyCompare
, /* key compare */
4237 JimReferencesHTKeyDestructor
, /* key destructor */
4238 NULL
/* val destructor */
4241 /* #define JIM_DEBUG_GC 1 */
4243 /* Performs the garbage collection. */
4244 int Jim_Collect(Jim_Interp
*interp
)
4246 Jim_HashTable marks
;
4247 Jim_HashTableIterator
*htiter
;
4252 /* Avoid recursive calls */
4253 if (interp
->lastCollectId
== -1) {
4254 /* Jim_Collect() already running. Return just now. */
4257 interp
->lastCollectId
= -1;
4259 /* Mark all the references found into the 'mark' hash table.
4260 * The references are searched in every live object that
4261 * is of a type that can contain references. */
4262 Jim_InitHashTable(&marks
, &JimRefMarkHashTableType
, NULL
);
4263 objPtr
= interp
->liveList
;
4265 if (objPtr
->typePtr
== NULL
||
4266 objPtr
->typePtr
->flags
& JIM_TYPE_REFERENCES
) {
4267 const char *str
, *p
;
4270 /* If the object is of type reference, to get the
4271 * Id is simple... */
4272 if (objPtr
->typePtr
== &referenceObjType
) {
4273 Jim_AddHashEntry(&marks
,
4274 &objPtr
->internalRep
.refValue
.id
, NULL
);
4276 Jim_fprintf(interp
,interp
->cookie_stdout
,
4277 "MARK (reference): %d refcount: %d" JIM_NL
,
4278 (int) objPtr
->internalRep
.refValue
.id
,
4281 objPtr
= objPtr
->nextObjPtr
;
4284 /* Get the string repr of the object we want
4285 * to scan for references. */
4286 p
= str
= Jim_GetString(objPtr
, &len
);
4287 /* Skip objects too little to contain references. */
4288 if (len
< JIM_REFERENCE_SPACE
) {
4289 objPtr
= objPtr
->nextObjPtr
;
4292 /* Extract references from the object string repr. */
4298 if ((p
= strstr(p
, "<reference.<")) == NULL
)
4300 /* Check if it's a valid reference. */
4301 if (len
-(p
-str
) < JIM_REFERENCE_SPACE
) break;
4302 if (p
[41] != '>' || p
[19] != '>' || p
[20] != '.') break;
4303 for (i
= 21; i
<= 40; i
++)
4304 if (!isdigit((int)p
[i
]))
4307 memcpy(buf
, p
+21, 20);
4309 Jim_StringToWide(buf
, &id
, 10);
4311 /* Ok, a reference for the given ID
4312 * was found. Mark it. */
4313 Jim_AddHashEntry(&marks
, &id
, NULL
);
4315 Jim_fprintf(interp
,interp
->cookie_stdout
,"MARK: %d" JIM_NL
, (int)id
);
4317 p
+= JIM_REFERENCE_SPACE
;
4320 objPtr
= objPtr
->nextObjPtr
;
4323 /* Run the references hash table to destroy every reference that
4324 * is not referenced outside (not present in the mark HT). */
4325 htiter
= Jim_GetHashTableIterator(&interp
->references
);
4326 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
4327 const jim_wide
*refId
;
4328 Jim_Reference
*refPtr
;
4331 /* Check if in the mark phase we encountered
4332 * this reference. */
4333 if (Jim_FindHashEntry(&marks
, refId
) == NULL
) {
4335 Jim_fprintf(interp
,interp
->cookie_stdout
,"COLLECTING %d" JIM_NL
, (int)*refId
);
4338 /* Drop the reference, but call the
4339 * finalizer first if registered. */
4341 if (refPtr
->finalizerCmdNamePtr
) {
4342 char *refstr
= Jim_Alloc(JIM_REFERENCE_SPACE
+1);
4343 Jim_Obj
*objv
[3], *oldResult
;
4345 JimFormatReference(refstr
, refPtr
, *refId
);
4347 objv
[0] = refPtr
->finalizerCmdNamePtr
;
4348 objv
[1] = Jim_NewStringObjNoAlloc(interp
,
4350 objv
[2] = refPtr
->objPtr
;
4351 Jim_IncrRefCount(objv
[0]);
4352 Jim_IncrRefCount(objv
[1]);
4353 Jim_IncrRefCount(objv
[2]);
4355 /* Drop the reference itself */
4356 Jim_DeleteHashEntry(&interp
->references
, refId
);
4358 /* Call the finalizer. Errors ignored. */
4359 oldResult
= interp
->result
;
4360 Jim_IncrRefCount(oldResult
);
4361 Jim_EvalObjVector(interp
, 3, objv
);
4362 Jim_SetResult(interp
, oldResult
);
4363 Jim_DecrRefCount(interp
, oldResult
);
4365 Jim_DecrRefCount(interp
, objv
[0]);
4366 Jim_DecrRefCount(interp
, objv
[1]);
4367 Jim_DecrRefCount(interp
, objv
[2]);
4369 Jim_DeleteHashEntry(&interp
->references
, refId
);
4373 Jim_FreeHashTableIterator(htiter
);
4374 Jim_FreeHashTable(&marks
);
4375 interp
->lastCollectId
= interp
->referenceNextId
;
4376 interp
->lastCollectTime
= time(NULL
);
4380 #define JIM_COLLECT_ID_PERIOD 5000
4381 #define JIM_COLLECT_TIME_PERIOD 300
4383 void Jim_CollectIfNeeded(Jim_Interp
*interp
)
4388 elapsedId
= interp
->referenceNextId
- interp
->lastCollectId
;
4389 elapsedTime
= time(NULL
) - interp
->lastCollectTime
;
4392 if (elapsedId
> JIM_COLLECT_ID_PERIOD
||
4393 elapsedTime
> JIM_COLLECT_TIME_PERIOD
) {
4394 Jim_Collect(interp
);
4398 /* -----------------------------------------------------------------------------
4399 * Interpreter related functions
4400 * ---------------------------------------------------------------------------*/
4402 Jim_Interp
*Jim_CreateInterp(void)
4404 Jim_Interp
*i
= Jim_Alloc(sizeof(*i
));
4408 i
->errorFileName
= Jim_StrDup("");
4410 i
->maxNestingDepth
= JIM_MAX_NESTING_DEPTH
;
4411 i
->returnCode
= JIM_OK
;
4414 i
->callFrameEpoch
= 0;
4415 i
->liveList
= i
->freeList
= NULL
;
4416 i
->scriptFileName
= Jim_StrDup("");
4417 i
->referenceNextId
= 0;
4418 i
->lastCollectId
= 0;
4419 i
->lastCollectTime
= time(NULL
);
4420 i
->freeFramesList
= NULL
;
4421 i
->prngState
= NULL
;
4422 i
->evalRetcodeLevel
= -1;
4423 i
->cookie_stdin
= stdin
;
4424 i
->cookie_stdout
= stdout
;
4425 i
->cookie_stderr
= stderr
;
4426 i
->cb_fwrite
= ((size_t (*)( const void *, size_t, size_t, void *))(fwrite
));
4427 i
->cb_fread
= ((size_t (*)( void *, size_t, size_t, void *))(fread
));
4428 i
->cb_vfprintf
= ((int (*)( void *, const char *fmt
, va_list ))(vfprintf
));
4429 i
->cb_fflush
= ((int (*)( void *))(fflush
));
4430 i
->cb_fgets
= ((char * (*)( char *, int, void *))(fgets
));
4432 /* Note that we can create objects only after the
4433 * interpreter liveList and freeList pointers are
4434 * initialized to NULL. */
4435 Jim_InitHashTable(&i
->commands
, &JimCommandsHashTableType
, i
);
4436 Jim_InitHashTable(&i
->references
, &JimReferencesHashTableType
, i
);
4437 Jim_InitHashTable(&i
->sharedStrings
, &JimSharedStringsHashTableType
,
4439 Jim_InitHashTable(&i
->stub
, &JimStringCopyHashTableType
, NULL
);
4440 Jim_InitHashTable(&i
->assocData
, &JimAssocDataHashTableType
, i
);
4441 Jim_InitHashTable(&i
->packages
, &JimStringKeyValCopyHashTableType
, NULL
);
4442 i
->framePtr
= i
->topFramePtr
= JimCreateCallFrame(i
);
4443 i
->emptyObj
= Jim_NewEmptyStringObj(i
);
4444 i
->result
= i
->emptyObj
;
4445 i
->stackTrace
= Jim_NewListObj(i
, NULL
, 0);
4446 i
->unknown
= Jim_NewStringObj(i
, "unknown", -1);
4447 i
->unknown_called
= 0;
4448 Jim_IncrRefCount(i
->emptyObj
);
4449 Jim_IncrRefCount(i
->result
);
4450 Jim_IncrRefCount(i
->stackTrace
);
4451 Jim_IncrRefCount(i
->unknown
);
4453 /* Initialize key variables every interpreter should contain */
4454 pathPtr
= Jim_NewStringObj(i
, "./", -1);
4455 Jim_SetVariableStr(i
, "jim_libpath", pathPtr
);
4456 Jim_SetVariableStrWithStr(i
, "jim_interactive", "0");
4458 /* Export the core API to extensions */
4459 JimRegisterCoreApi(i
);
4463 /* This is the only function Jim exports directly without
4464 * to use the STUB system. It is only used by embedders
4465 * in order to get an interpreter with the Jim API pointers
4467 Jim_Interp
*ExportedJimCreateInterp(void)
4469 return Jim_CreateInterp();
4472 void Jim_FreeInterp(Jim_Interp
*i
)
4474 Jim_CallFrame
*cf
= i
->framePtr
, *prevcf
, *nextcf
;
4475 Jim_Obj
*objPtr
, *nextObjPtr
;
4477 Jim_DecrRefCount(i
, i
->emptyObj
);
4478 Jim_DecrRefCount(i
, i
->result
);
4479 Jim_DecrRefCount(i
, i
->stackTrace
);
4480 Jim_DecrRefCount(i
, i
->unknown
);
4481 Jim_Free((void*)i
->errorFileName
);
4482 Jim_Free((void*)i
->scriptFileName
);
4483 Jim_FreeHashTable(&i
->commands
);
4484 Jim_FreeHashTable(&i
->references
);
4485 Jim_FreeHashTable(&i
->stub
);
4486 Jim_FreeHashTable(&i
->assocData
);
4487 Jim_FreeHashTable(&i
->packages
);
4488 Jim_Free(i
->prngState
);
4489 /* Free the call frames list */
4491 prevcf
= cf
->parentCallFrame
;
4492 JimFreeCallFrame(i
, cf
, JIM_FCF_NONE
);
4495 /* Check that the live object list is empty, otherwise
4496 * there is a memory leak. */
4497 if (i
->liveList
!= NULL
) {
4498 Jim_Obj
*objPtr
= i
->liveList
;
4500 Jim_fprintf( i
, i
->cookie_stdout
,JIM_NL
"-------------------------------------" JIM_NL
);
4501 Jim_fprintf( i
, i
->cookie_stdout
,"Objects still in the free list:" JIM_NL
);
4503 const char *type
= objPtr
->typePtr
?
4504 objPtr
->typePtr
->name
: "";
4505 Jim_fprintf( i
, i
->cookie_stdout
,"%p \"%-10s\": '%.20s' (refCount: %d)" JIM_NL
,
4507 objPtr
->bytes
? objPtr
->bytes
4508 : "(null)", objPtr
->refCount
);
4509 if (objPtr
->typePtr
== &sourceObjType
) {
4510 Jim_fprintf( i
, i
->cookie_stdout
, "FILE %s LINE %d" JIM_NL
,
4511 objPtr
->internalRep
.sourceValue
.fileName
,
4512 objPtr
->internalRep
.sourceValue
.lineNumber
);
4514 objPtr
= objPtr
->nextObjPtr
;
4516 Jim_fprintf( i
, i
->cookie_stdout
, "-------------------------------------" JIM_NL JIM_NL
);
4517 Jim_Panic(i
,"Live list non empty freeing the interpreter! Leak?");
4519 /* Free all the freed objects. */
4520 objPtr
= i
->freeList
;
4522 nextObjPtr
= objPtr
->nextObjPtr
;
4524 objPtr
= nextObjPtr
;
4526 /* Free cached CallFrame structures */
4527 cf
= i
->freeFramesList
;
4529 nextcf
= cf
->nextFramePtr
;
4530 if (cf
->vars
.table
!= NULL
)
4531 Jim_Free(cf
->vars
.table
);
4535 /* Free the sharedString hash table. Make sure to free it
4536 * after every other Jim_Object was freed. */
4537 Jim_FreeHashTable(&i
->sharedStrings
);
4538 /* Free the interpreter structure. */
4542 /* Store the call frame relative to the level represented by
4543 * levelObjPtr into *framePtrPtr. If levelObjPtr == NULL, the
4544 * level is assumed to be '1'.
4546 * If a newLevelptr int pointer is specified, the function stores
4547 * the absolute level integer value of the new target callframe into
4548 * *newLevelPtr. (this is used to adjust interp->numLevels
4549 * in the implementation of [uplevel], so that [info level] will
4550 * return a correct information).
4552 * This function accepts the 'level' argument in the form
4553 * of the commands [uplevel] and [upvar].
4555 * For a function accepting a relative integer as level suitable
4556 * for implementation of [info level ?level?] check the
4557 * GetCallFrameByInteger() function. */
4558 int Jim_GetCallFrameByLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4559 Jim_CallFrame
**framePtrPtr
, int *newLevelPtr
)
4563 Jim_CallFrame
*framePtr
;
4565 if (newLevelPtr
) *newLevelPtr
= interp
->numLevels
;
4567 str
= Jim_GetString(levelObjPtr
, NULL
);
4568 if (str
[0] == '#') {
4570 /* speedup for the toplevel (level #0) */
4571 if (str
[1] == '0' && str
[2] == '\0') {
4572 if (newLevelPtr
) *newLevelPtr
= 0;
4573 *framePtrPtr
= interp
->topFramePtr
;
4577 level
= strtol(str
+1, &endptr
, 0);
4578 if (str
[1] == '\0' || endptr
[0] != '\0' || level
< 0)
4580 /* An 'absolute' level is converted into the
4581 * 'number of levels to go back' format. */
4582 level
= interp
->numLevels
- level
;
4583 if (level
< 0) goto badlevel
;
4585 if (Jim_GetLong(interp
, levelObjPtr
, &level
) != JIM_OK
|| level
< 0)
4589 str
= "1"; /* Needed to format the error message. */
4593 framePtr
= interp
->framePtr
;
4594 if (newLevelPtr
) *newLevelPtr
= (*newLevelPtr
)-level
;
4596 framePtr
= framePtr
->parentCallFrame
;
4597 if (framePtr
== NULL
) goto badlevel
;
4599 *framePtrPtr
= framePtr
;
4602 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4603 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4604 "bad level \"", str
, "\"", NULL
);
4608 /* Similar to Jim_GetCallFrameByLevel() but the level is specified
4609 * as a relative integer like in the [info level ?level?] command. */
4610 static int JimGetCallFrameByInteger(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4611 Jim_CallFrame
**framePtrPtr
)
4614 jim_wide relLevel
; /* level relative to the current one. */
4615 Jim_CallFrame
*framePtr
;
4617 if (Jim_GetWide(interp
, levelObjPtr
, &level
) != JIM_OK
)
4620 /* An 'absolute' level is converted into the
4621 * 'number of levels to go back' format. */
4622 relLevel
= interp
->numLevels
- level
;
4627 framePtr
= interp
->framePtr
;
4628 while (relLevel
--) {
4629 framePtr
= framePtr
->parentCallFrame
;
4630 if (framePtr
== NULL
) goto badlevel
;
4632 *framePtrPtr
= framePtr
;
4635 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4636 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4637 "bad level \"", Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
4641 static void JimSetErrorFileName(Jim_Interp
*interp
, char *filename
)
4643 Jim_Free((void*)interp
->errorFileName
);
4644 interp
->errorFileName
= Jim_StrDup(filename
);
4647 static void JimSetErrorLineNumber(Jim_Interp
*interp
, int linenr
)
4649 interp
->errorLine
= linenr
;
4652 static void JimResetStackTrace(Jim_Interp
*interp
)
4654 Jim_DecrRefCount(interp
, interp
->stackTrace
);
4655 interp
->stackTrace
= Jim_NewListObj(interp
, NULL
, 0);
4656 Jim_IncrRefCount(interp
->stackTrace
);
4659 static void JimAppendStackTrace(Jim_Interp
*interp
, const char *procname
,
4660 const char *filename
, int linenr
)
4662 /* No need to add this dummy entry to the stack trace */
4663 if (strcmp(procname
, "unknown") == 0) {
4667 if (Jim_IsShared(interp
->stackTrace
)) {
4668 interp
->stackTrace
=
4669 Jim_DuplicateObj(interp
, interp
->stackTrace
);
4670 Jim_IncrRefCount(interp
->stackTrace
);
4672 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4673 Jim_NewStringObj(interp
, procname
, -1));
4674 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4675 Jim_NewStringObj(interp
, filename
, -1));
4676 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4677 Jim_NewIntObj(interp
, linenr
));
4680 int Jim_SetAssocData(Jim_Interp
*interp
, const char *key
, Jim_InterpDeleteProc
*delProc
, void *data
)
4682 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)Jim_Alloc(sizeof(AssocDataValue
));
4683 assocEntryPtr
->delProc
= delProc
;
4684 assocEntryPtr
->data
= data
;
4685 return Jim_AddHashEntry(&interp
->assocData
, key
, assocEntryPtr
);
4688 void *Jim_GetAssocData(Jim_Interp
*interp
, const char *key
)
4690 Jim_HashEntry
*entryPtr
= Jim_FindHashEntry(&interp
->assocData
, key
);
4691 if (entryPtr
!= NULL
) {
4692 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)entryPtr
->val
;
4693 return assocEntryPtr
->data
;
4698 int Jim_DeleteAssocData(Jim_Interp
*interp
, const char *key
)
4700 return Jim_DeleteHashEntry(&interp
->assocData
, key
);
4703 int Jim_GetExitCode(Jim_Interp
*interp
) {
4704 return interp
->exitCode
;
4707 void *Jim_SetStdin(Jim_Interp
*interp
, void *fp
)
4709 if (fp
!= NULL
) interp
->cookie_stdin
= fp
;
4710 return interp
->cookie_stdin
;
4713 void *Jim_SetStdout(Jim_Interp
*interp
, void *fp
)
4715 if (fp
!= NULL
) interp
->cookie_stdout
= fp
;
4716 return interp
->cookie_stdout
;
4719 void *Jim_SetStderr(Jim_Interp
*interp
, void *fp
)
4721 if (fp
!= NULL
) interp
->cookie_stderr
= fp
;
4722 return interp
->cookie_stderr
;
4725 /* -----------------------------------------------------------------------------
4727 * Every interpreter has an hash table where to put shared dynamically
4728 * allocate strings that are likely to be used a lot of times.
4729 * For example, in the 'source' object type, there is a pointer to
4730 * the filename associated with that object. Every script has a lot
4731 * of this objects with the identical file name, so it is wise to share
4734 * The API is trivial: Jim_GetSharedString(interp, "foobar")
4735 * returns the pointer to the shared string. Every time a reference
4736 * to the string is no longer used, the user should call
4737 * Jim_ReleaseSharedString(interp, stringPointer). Once no one is using
4738 * a given string, it is removed from the hash table.
4739 * ---------------------------------------------------------------------------*/
4740 const char *Jim_GetSharedString(Jim_Interp
*interp
, const char *str
)
4742 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4745 char *strCopy
= Jim_StrDup(str
);
4747 Jim_AddHashEntry(&interp
->sharedStrings
, strCopy
, (void*)1);
4750 long refCount
= (long) he
->val
;
4753 he
->val
= (void*) refCount
;
4758 void Jim_ReleaseSharedString(Jim_Interp
*interp
, const char *str
)
4761 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4764 Jim_Panic(interp
,"Jim_ReleaseSharedString called with "
4765 "unknown shared string '%s'", str
);
4766 refCount
= (long) he
->val
;
4768 if (refCount
== 0) {
4769 Jim_DeleteHashEntry(&interp
->sharedStrings
, str
);
4771 he
->val
= (void*) refCount
;
4775 /* -----------------------------------------------------------------------------
4777 * ---------------------------------------------------------------------------*/
4778 #define JIM_INTEGER_SPACE 24
4780 static void UpdateStringOfInt(struct Jim_Obj
*objPtr
);
4781 static int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
);
4783 static Jim_ObjType intObjType
= {
4791 void UpdateStringOfInt(struct Jim_Obj
*objPtr
)
4794 char buf
[JIM_INTEGER_SPACE
+1];
4796 len
= Jim_WideToString(buf
, objPtr
->internalRep
.wideValue
);
4797 objPtr
->bytes
= Jim_Alloc(len
+1);
4798 memcpy(objPtr
->bytes
, buf
, len
+1);
4799 objPtr
->length
= len
;
4802 int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
4807 /* Get the string representation */
4808 str
= Jim_GetString(objPtr
, NULL
);
4809 /* Try to convert into a jim_wide */
4810 if (Jim_StringToWide(str
, &wideValue
, 0) != JIM_OK
) {
4811 if (flags
& JIM_ERRMSG
) {
4812 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4813 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4814 "expected integer but got \"", str
, "\"", NULL
);
4818 if ((wideValue
== JIM_WIDE_MIN
|| wideValue
== JIM_WIDE_MAX
) &&
4820 Jim_SetResultString(interp
,
4821 "Integer value too big to be represented", -1);
4824 /* Free the old internal repr and set the new one. */
4825 Jim_FreeIntRep(interp
, objPtr
);
4826 objPtr
->typePtr
= &intObjType
;
4827 objPtr
->internalRep
.wideValue
= wideValue
;
4831 int Jim_GetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide
*widePtr
)
4833 if (objPtr
->typePtr
!= &intObjType
&&
4834 SetIntFromAny(interp
, objPtr
, JIM_ERRMSG
) == JIM_ERR
)
4836 *widePtr
= objPtr
->internalRep
.wideValue
;
4840 /* Get a wide but does not set an error if the format is bad. */
4841 static int JimGetWideNoErr(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
4844 if (objPtr
->typePtr
!= &intObjType
&&
4845 SetIntFromAny(interp
, objPtr
, JIM_NONE
) == JIM_ERR
)
4847 *widePtr
= objPtr
->internalRep
.wideValue
;
4851 int Jim_GetLong(Jim_Interp
*interp
, Jim_Obj
*objPtr
, long *longPtr
)
4856 retval
= Jim_GetWide(interp
, objPtr
, &wideValue
);
4857 if (retval
== JIM_OK
) {
4858 *longPtr
= (long) wideValue
;
4864 void Jim_SetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide wideValue
)
4866 if (Jim_IsShared(objPtr
))
4867 Jim_Panic(interp
,"Jim_SetWide called with shared object");
4868 if (objPtr
->typePtr
!= &intObjType
) {
4869 Jim_FreeIntRep(interp
, objPtr
);
4870 objPtr
->typePtr
= &intObjType
;
4872 Jim_InvalidateStringRep(objPtr
);
4873 objPtr
->internalRep
.wideValue
= wideValue
;
4876 Jim_Obj
*Jim_NewIntObj(Jim_Interp
*interp
, jim_wide wideValue
)
4880 objPtr
= Jim_NewObj(interp
);
4881 objPtr
->typePtr
= &intObjType
;
4882 objPtr
->bytes
= NULL
;
4883 objPtr
->internalRep
.wideValue
= wideValue
;
4887 /* -----------------------------------------------------------------------------
4889 * ---------------------------------------------------------------------------*/
4890 #define JIM_DOUBLE_SPACE 30
4892 static void UpdateStringOfDouble(struct Jim_Obj
*objPtr
);
4893 static int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4895 static Jim_ObjType doubleObjType
= {
4899 UpdateStringOfDouble
,
4903 void UpdateStringOfDouble(struct Jim_Obj
*objPtr
)
4906 char buf
[JIM_DOUBLE_SPACE
+1];
4908 len
= Jim_DoubleToString(buf
, objPtr
->internalRep
.doubleValue
);
4909 objPtr
->bytes
= Jim_Alloc(len
+1);
4910 memcpy(objPtr
->bytes
, buf
, len
+1);
4911 objPtr
->length
= len
;
4914 int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4919 /* Get the string representation */
4920 str
= Jim_GetString(objPtr
, NULL
);
4921 /* Try to convert into a double */
4922 if (Jim_StringToDouble(str
, &doubleValue
) != JIM_OK
) {
4923 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4924 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4925 "expected number but got '", str
, "'", NULL
);
4928 /* Free the old internal repr and set the new one. */
4929 Jim_FreeIntRep(interp
, objPtr
);
4930 objPtr
->typePtr
= &doubleObjType
;
4931 objPtr
->internalRep
.doubleValue
= doubleValue
;
4935 int Jim_GetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double *doublePtr
)
4937 if (objPtr
->typePtr
!= &doubleObjType
&&
4938 SetDoubleFromAny(interp
, objPtr
) == JIM_ERR
)
4940 *doublePtr
= objPtr
->internalRep
.doubleValue
;
4944 void Jim_SetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double doubleValue
)
4946 if (Jim_IsShared(objPtr
))
4947 Jim_Panic(interp
,"Jim_SetDouble called with shared object");
4948 if (objPtr
->typePtr
!= &doubleObjType
) {
4949 Jim_FreeIntRep(interp
, objPtr
);
4950 objPtr
->typePtr
= &doubleObjType
;
4952 Jim_InvalidateStringRep(objPtr
);
4953 objPtr
->internalRep
.doubleValue
= doubleValue
;
4956 Jim_Obj
*Jim_NewDoubleObj(Jim_Interp
*interp
, double doubleValue
)
4960 objPtr
= Jim_NewObj(interp
);
4961 objPtr
->typePtr
= &doubleObjType
;
4962 objPtr
->bytes
= NULL
;
4963 objPtr
->internalRep
.doubleValue
= doubleValue
;
4967 /* -----------------------------------------------------------------------------
4969 * ---------------------------------------------------------------------------*/
4970 static void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
);
4971 static void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4972 static void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
4973 static void UpdateStringOfList(struct Jim_Obj
*objPtr
);
4974 static int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
4976 /* Note that while the elements of the list may contain references,
4977 * the list object itself can't. This basically means that the
4978 * list object string representation as a whole can't contain references
4979 * that are not presents in the single elements. */
4980 static Jim_ObjType listObjType
= {
4982 FreeListInternalRep
,
4988 void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4992 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
4993 Jim_DecrRefCount(interp
, objPtr
->internalRep
.listValue
.ele
[i
]);
4995 Jim_Free(objPtr
->internalRep
.listValue
.ele
);
4998 void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
5001 JIM_NOTUSED(interp
);
5003 dupPtr
->internalRep
.listValue
.len
= srcPtr
->internalRep
.listValue
.len
;
5004 dupPtr
->internalRep
.listValue
.maxLen
= srcPtr
->internalRep
.listValue
.maxLen
;
5005 dupPtr
->internalRep
.listValue
.ele
=
5006 Jim_Alloc(sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.maxLen
);
5007 memcpy(dupPtr
->internalRep
.listValue
.ele
, srcPtr
->internalRep
.listValue
.ele
,
5008 sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.len
);
5009 for (i
= 0; i
< dupPtr
->internalRep
.listValue
.len
; i
++) {
5010 Jim_IncrRefCount(dupPtr
->internalRep
.listValue
.ele
[i
]);
5012 dupPtr
->typePtr
= &listObjType
;
5015 /* The following function checks if a given string can be encoded
5016 * into a list element without any kind of quoting, surrounded by braces,
5017 * or using escapes to quote. */
5018 #define JIM_ELESTR_SIMPLE 0
5019 #define JIM_ELESTR_BRACE 1
5020 #define JIM_ELESTR_QUOTE 2
5021 static int ListElementQuotingType(const char *s
, int len
)
5023 int i
, level
, trySimple
= 1;
5025 /* Try with the SIMPLE case */
5026 if (len
== 0) return JIM_ELESTR_BRACE
;
5027 if (s
[0] == '"' || s
[0] == '{') {
5031 for (i
= 0; i
< len
; i
++) {
5051 return JIM_ELESTR_SIMPLE
;
5054 /* Test if it's possible to do with braces */
5055 if (s
[len
-1] == '\\' ||
5056 s
[len
-1] == ']') return JIM_ELESTR_QUOTE
;
5058 for (i
= 0; i
< len
; i
++) {
5060 case '{': level
++; break;
5062 if (level
< 0) return JIM_ELESTR_QUOTE
;
5066 return JIM_ELESTR_QUOTE
;
5068 if (s
[i
+1] != '\0') i
++;
5073 if (!trySimple
) return JIM_ELESTR_BRACE
;
5074 for (i
= 0; i
< len
; i
++) {
5088 return JIM_ELESTR_BRACE
;
5092 return JIM_ELESTR_SIMPLE
;
5094 return JIM_ELESTR_QUOTE
;
5097 /* Returns the malloc-ed representation of a string
5098 * using backslash to quote special chars. */
5099 char *BackslashQuoteString(const char *s
, int len
, int *qlenPtr
)
5101 char *q
= Jim_Alloc(len
*2+1), *p
;
5118 case '\n': *p
++ = '\\'; *p
++ = 'n'; s
++; break;
5119 case '\r': *p
++ = '\\'; *p
++ = 'r'; s
++; break;
5120 case '\t': *p
++ = '\\'; *p
++ = 't'; s
++; break;
5121 case '\f': *p
++ = '\\'; *p
++ = 'f'; s
++; break;
5122 case '\v': *p
++ = '\\'; *p
++ = 'v'; s
++; break;
5133 void UpdateStringOfList(struct Jim_Obj
*objPtr
)
5135 int i
, bufLen
, realLength
;
5139 Jim_Obj
**ele
= objPtr
->internalRep
.listValue
.ele
;
5141 /* (Over) Estimate the space needed. */
5142 quotingType
= Jim_Alloc(sizeof(int)*objPtr
->internalRep
.listValue
.len
+1);
5144 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5147 strRep
= Jim_GetString(ele
[i
], &len
);
5148 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5149 switch (quotingType
[i
]) {
5150 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5151 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5152 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5154 bufLen
++; /* elements separator. */
5158 /* Generate the string rep. */
5159 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5161 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5163 const char *strRep
= Jim_GetString(ele
[i
], &len
);
5166 switch(quotingType
[i
]) {
5167 case JIM_ELESTR_SIMPLE
:
5168 memcpy(p
, strRep
, len
);
5172 case JIM_ELESTR_BRACE
:
5174 memcpy(p
, strRep
, len
);
5177 realLength
+= len
+2;
5179 case JIM_ELESTR_QUOTE
:
5180 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5187 /* Add a separating space */
5188 if (i
+1 != objPtr
->internalRep
.listValue
.len
) {
5193 *p
= '\0'; /* nul term. */
5194 objPtr
->length
= realLength
;
5195 Jim_Free(quotingType
);
5198 int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5200 struct JimParserCtx parser
;
5204 /* Get the string representation */
5205 str
= Jim_GetString(objPtr
, &strLen
);
5207 /* Free the old internal repr just now and initialize the
5208 * new one just now. The string->list conversion can't fail. */
5209 Jim_FreeIntRep(interp
, objPtr
);
5210 objPtr
->typePtr
= &listObjType
;
5211 objPtr
->internalRep
.listValue
.len
= 0;
5212 objPtr
->internalRep
.listValue
.maxLen
= 0;
5213 objPtr
->internalRep
.listValue
.ele
= NULL
;
5215 /* Convert into a list */
5216 JimParserInit(&parser
, str
, strLen
, 1);
5217 while(!JimParserEof(&parser
)) {
5220 Jim_Obj
*elementPtr
;
5222 JimParseList(&parser
);
5223 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5224 JimParserTtype(&parser
) != JIM_TT_ESC
)
5226 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5227 elementPtr
= Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5228 ListAppendElement(objPtr
, elementPtr
);
5233 Jim_Obj
*Jim_NewListObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
,
5239 objPtr
= Jim_NewObj(interp
);
5240 objPtr
->typePtr
= &listObjType
;
5241 objPtr
->bytes
= NULL
;
5242 objPtr
->internalRep
.listValue
.ele
= NULL
;
5243 objPtr
->internalRep
.listValue
.len
= 0;
5244 objPtr
->internalRep
.listValue
.maxLen
= 0;
5245 for (i
= 0; i
< len
; i
++) {
5246 ListAppendElement(objPtr
, elements
[i
]);
5251 /* Return a vector of Jim_Obj with the elements of a Jim list, and the
5252 * length of the vector. Note that the user of this function should make
5253 * sure that the list object can't shimmer while the vector returned
5254 * is in use, this vector is the one stored inside the internal representation
5255 * of the list object. This function is not exported, extensions should
5256 * always access to the List object elements using Jim_ListIndex(). */
5257 static void JimListGetElements(Jim_Interp
*interp
, Jim_Obj
*listObj
, int *argc
,
5260 Jim_ListLength(interp
, listObj
, argc
);
5261 assert(listObj
->typePtr
== &listObjType
);
5262 *listVec
= listObj
->internalRep
.listValue
.ele
;
5265 /* ListSortElements type values */
5266 enum {JIM_LSORT_ASCII
, JIM_LSORT_NOCASE
, JIM_LSORT_ASCII_DECR
,
5267 JIM_LSORT_NOCASE_DECR
};
5269 /* Sort the internal rep of a list. */
5270 static int ListSortString(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5272 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0);
5275 static int ListSortStringDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5277 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0) * -1;
5280 static int ListSortStringNoCase(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5282 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1);
5285 static int ListSortStringNoCaseDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5287 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1) * -1;
5290 /* Sort a list *in place*. MUST be called with non-shared objects. */
5291 static void ListSortElements(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, int type
)
5293 typedef int (qsort_comparator
)(const void *, const void *);
5294 int (*fn
)(Jim_Obj
**, Jim_Obj
**);
5298 if (Jim_IsShared(listObjPtr
))
5299 Jim_Panic(interp
,"Jim_ListSortElements called with shared object");
5300 if (listObjPtr
->typePtr
!= &listObjType
)
5301 SetListFromAny(interp
, listObjPtr
);
5303 vector
= listObjPtr
->internalRep
.listValue
.ele
;
5304 len
= listObjPtr
->internalRep
.listValue
.len
;
5306 case JIM_LSORT_ASCII
: fn
= ListSortString
; break;
5307 case JIM_LSORT_NOCASE
: fn
= ListSortStringNoCase
; break;
5308 case JIM_LSORT_ASCII_DECR
: fn
= ListSortStringDecr
; break;
5309 case JIM_LSORT_NOCASE_DECR
: fn
= ListSortStringNoCaseDecr
; break;
5311 fn
= NULL
; /* avoid warning */
5312 Jim_Panic(interp
,"ListSort called with invalid sort type");
5314 qsort(vector
, len
, sizeof(Jim_Obj
*), (qsort_comparator
*)fn
);
5315 Jim_InvalidateStringRep(listObjPtr
);
5318 /* This is the low-level function to append an element to a list.
5319 * The higher-level Jim_ListAppendElement() performs shared object
5320 * check and invalidate the string repr. This version is used
5321 * in the internals of the List Object and is not exported.
5323 * NOTE: this function can be called only against objects
5324 * with internal type of List. */
5325 void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5327 int requiredLen
= listPtr
->internalRep
.listValue
.len
+ 1;
5329 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5330 int maxLen
= requiredLen
* 2;
5332 listPtr
->internalRep
.listValue
.ele
=
5333 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5334 sizeof(Jim_Obj
*)*maxLen
);
5335 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5337 listPtr
->internalRep
.listValue
.ele
[listPtr
->internalRep
.listValue
.len
] =
5339 listPtr
->internalRep
.listValue
.len
++;
5340 Jim_IncrRefCount(objPtr
);
5343 /* This is the low-level function to insert elements into a list.
5344 * The higher-level Jim_ListInsertElements() performs shared object
5345 * check and invalidate the string repr. This version is used
5346 * in the internals of the List Object and is not exported.
5348 * NOTE: this function can be called only against objects
5349 * with internal type of List. */
5350 void ListInsertElements(Jim_Obj
*listPtr
, int index
, int elemc
,
5351 Jim_Obj
*const *elemVec
)
5353 int currentLen
= listPtr
->internalRep
.listValue
.len
;
5354 int requiredLen
= currentLen
+ elemc
;
5358 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5359 int maxLen
= requiredLen
* 2;
5361 listPtr
->internalRep
.listValue
.ele
=
5362 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5363 sizeof(Jim_Obj
*)*maxLen
);
5364 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5366 point
= listPtr
->internalRep
.listValue
.ele
+ index
;
5367 memmove(point
+elemc
, point
, (currentLen
-index
) * sizeof(Jim_Obj
*));
5368 for (i
=0; i
< elemc
; ++i
) {
5369 point
[i
] = elemVec
[i
];
5370 Jim_IncrRefCount(point
[i
]);
5372 listPtr
->internalRep
.listValue
.len
+= elemc
;
5375 /* Appends every element of appendListPtr into listPtr.
5376 * Both have to be of the list type. */
5377 void ListAppendList(Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5379 int i
, oldLen
= listPtr
->internalRep
.listValue
.len
;
5380 int appendLen
= appendListPtr
->internalRep
.listValue
.len
;
5381 int requiredLen
= oldLen
+ appendLen
;
5383 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5384 int maxLen
= requiredLen
* 2;
5386 listPtr
->internalRep
.listValue
.ele
=
5387 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5388 sizeof(Jim_Obj
*)*maxLen
);
5389 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5391 for (i
= 0; i
< appendLen
; i
++) {
5392 Jim_Obj
*objPtr
= appendListPtr
->internalRep
.listValue
.ele
[i
];
5393 listPtr
->internalRep
.listValue
.ele
[oldLen
+i
] = objPtr
;
5394 Jim_IncrRefCount(objPtr
);
5396 listPtr
->internalRep
.listValue
.len
+= appendLen
;
5399 void Jim_ListAppendElement(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5401 if (Jim_IsShared(listPtr
))
5402 Jim_Panic(interp
,"Jim_ListAppendElement called with shared object");
5403 if (listPtr
->typePtr
!= &listObjType
)
5404 SetListFromAny(interp
, listPtr
);
5405 Jim_InvalidateStringRep(listPtr
);
5406 ListAppendElement(listPtr
, objPtr
);
5409 void Jim_ListAppendList(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5411 if (Jim_IsShared(listPtr
))
5412 Jim_Panic(interp
,"Jim_ListAppendList called with shared object");
5413 if (listPtr
->typePtr
!= &listObjType
)
5414 SetListFromAny(interp
, listPtr
);
5415 Jim_InvalidateStringRep(listPtr
);
5416 ListAppendList(listPtr
, appendListPtr
);
5419 void Jim_ListLength(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int *intPtr
)
5421 if (listPtr
->typePtr
!= &listObjType
)
5422 SetListFromAny(interp
, listPtr
);
5423 *intPtr
= listPtr
->internalRep
.listValue
.len
;
5426 void Jim_ListInsertElements(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5427 int objc
, Jim_Obj
*const *objVec
)
5429 if (Jim_IsShared(listPtr
))
5430 Jim_Panic(interp
,"Jim_ListInsertElement called with shared object");
5431 if (listPtr
->typePtr
!= &listObjType
)
5432 SetListFromAny(interp
, listPtr
);
5433 if (index
>= 0 && index
> listPtr
->internalRep
.listValue
.len
)
5434 index
= listPtr
->internalRep
.listValue
.len
;
5435 else if (index
< 0 )
5437 Jim_InvalidateStringRep(listPtr
);
5438 ListInsertElements(listPtr
, index
, objc
, objVec
);
5441 int Jim_ListIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5442 Jim_Obj
**objPtrPtr
, int flags
)
5444 if (listPtr
->typePtr
!= &listObjType
)
5445 SetListFromAny(interp
, listPtr
);
5446 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5447 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5448 if (flags
& JIM_ERRMSG
) {
5449 Jim_SetResultString(interp
,
5450 "list index out of range", -1);
5455 index
= listPtr
->internalRep
.listValue
.len
+index
;
5456 *objPtrPtr
= listPtr
->internalRep
.listValue
.ele
[index
];
5460 static int ListSetIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5461 Jim_Obj
*newObjPtr
, int flags
)
5463 if (listPtr
->typePtr
!= &listObjType
)
5464 SetListFromAny(interp
, listPtr
);
5465 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5466 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5467 if (flags
& JIM_ERRMSG
) {
5468 Jim_SetResultString(interp
,
5469 "list index out of range", -1);
5474 index
= listPtr
->internalRep
.listValue
.len
+index
;
5475 Jim_DecrRefCount(interp
, listPtr
->internalRep
.listValue
.ele
[index
]);
5476 listPtr
->internalRep
.listValue
.ele
[index
] = newObjPtr
;
5477 Jim_IncrRefCount(newObjPtr
);
5481 /* Modify the list stored into the variable named 'varNamePtr'
5482 * setting the element specified by the 'indexc' indexes objects in 'indexv',
5483 * with the new element 'newObjptr'. */
5484 int Jim_SetListIndex(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5485 Jim_Obj
*const *indexv
, int indexc
, Jim_Obj
*newObjPtr
)
5487 Jim_Obj
*varObjPtr
, *objPtr
, *listObjPtr
;
5488 int shared
, i
, index
;
5490 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5493 if ((shared
= Jim_IsShared(objPtr
)))
5494 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5495 for (i
= 0; i
< indexc
-1; i
++) {
5496 listObjPtr
= objPtr
;
5497 if (Jim_GetIndex(interp
, indexv
[i
], &index
) != JIM_OK
)
5499 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
5500 JIM_ERRMSG
) != JIM_OK
) {
5503 if (Jim_IsShared(objPtr
)) {
5504 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5505 ListSetIndex(interp
, listObjPtr
, index
, objPtr
, JIM_NONE
);
5507 Jim_InvalidateStringRep(listObjPtr
);
5509 if (Jim_GetIndex(interp
, indexv
[indexc
-1], &index
) != JIM_OK
)
5511 if (ListSetIndex(interp
, objPtr
, index
, newObjPtr
, JIM_ERRMSG
) == JIM_ERR
)
5513 Jim_InvalidateStringRep(objPtr
);
5514 Jim_InvalidateStringRep(varObjPtr
);
5515 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5517 Jim_SetResult(interp
, varObjPtr
);
5521 Jim_FreeNewObj(interp
, varObjPtr
);
5526 Jim_Obj
*Jim_ConcatObj(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
5530 /* If all the objects in objv are lists without string rep.
5531 * it's possible to return a list as result, that's the
5532 * concatenation of all the lists. */
5533 for (i
= 0; i
< objc
; i
++) {
5534 if (objv
[i
]->typePtr
!= &listObjType
|| objv
[i
]->bytes
)
5538 Jim_Obj
*objPtr
= Jim_NewListObj(interp
, NULL
, 0);
5539 for (i
= 0; i
< objc
; i
++)
5540 Jim_ListAppendList(interp
, objPtr
, objv
[i
]);
5543 /* Else... we have to glue strings together */
5544 int len
= 0, objLen
;
5547 /* Compute the length */
5548 for (i
= 0; i
< objc
; i
++) {
5549 Jim_GetString(objv
[i
], &objLen
);
5552 if (objc
) len
+= objc
-1;
5553 /* Create the string rep, and a stinrg object holding it. */
5554 p
= bytes
= Jim_Alloc(len
+1);
5555 for (i
= 0; i
< objc
; i
++) {
5556 const char *s
= Jim_GetString(objv
[i
], &objLen
);
5557 while (objLen
&& (*s
== ' ' || *s
== '\t' || *s
== '\n'))
5559 s
++; objLen
--; len
--;
5561 while (objLen
&& (s
[objLen
-1] == ' ' ||
5562 s
[objLen
-1] == '\n' || s
[objLen
-1] == '\t')) {
5565 memcpy(p
, s
, objLen
);
5567 if (objLen
&& i
+1 != objc
) {
5569 } else if (i
+1 != objc
) {
5570 /* Drop the space calcuated for this
5571 * element that is instead null. */
5576 return Jim_NewStringObjNoAlloc(interp
, bytes
, len
);
5580 /* Returns a list composed of the elements in the specified range.
5581 * first and start are directly accepted as Jim_Objects and
5582 * processed for the end?-index? case. */
5583 Jim_Obj
*Jim_ListRange(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
5588 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
5589 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
5591 Jim_ListLength(interp
, listObjPtr
, &len
); /* will convert into list */
5592 first
= JimRelToAbsIndex(len
, first
);
5593 last
= JimRelToAbsIndex(len
, last
);
5594 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
5595 return Jim_NewListObj(interp
,
5596 listObjPtr
->internalRep
.listValue
.ele
+first
, rangeLen
);
5599 /* -----------------------------------------------------------------------------
5601 * ---------------------------------------------------------------------------*/
5602 static void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
5603 static void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
5604 static void UpdateStringOfDict(struct Jim_Obj
*objPtr
);
5605 static int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
5607 /* Dict HashTable Type.
5609 * Keys and Values are Jim objects. */
5611 unsigned int JimObjectHTHashFunction(const void *key
)
5614 Jim_Obj
*objPtr
= (Jim_Obj
*) key
;
5617 str
= Jim_GetString(objPtr
, &len
);
5618 h
= Jim_GenHashFunction((unsigned char*)str
, len
);
5622 int JimObjectHTKeyCompare(void *privdata
, const void *key1
, const void *key2
)
5624 JIM_NOTUSED(privdata
);
5626 return Jim_StringEqObj((Jim_Obj
*)key1
, (Jim_Obj
*)key2
, 0);
5629 static void JimObjectHTKeyValDestructor(void *interp
, void *val
)
5631 Jim_Obj
*objPtr
= val
;
5633 Jim_DecrRefCount(interp
, objPtr
);
5636 static Jim_HashTableType JimDictHashTableType
= {
5637 JimObjectHTHashFunction
, /* hash function */
5640 JimObjectHTKeyCompare
, /* key compare */
5641 (void(*)(void*, const void*)) /* ATTENTION: const cast */
5642 JimObjectHTKeyValDestructor
, /* key destructor */
5643 JimObjectHTKeyValDestructor
/* val destructor */
5646 /* Note that while the elements of the dict may contain references,
5647 * the list object itself can't. This basically means that the
5648 * dict object string representation as a whole can't contain references
5649 * that are not presents in the single elements. */
5650 static Jim_ObjType dictObjType
= {
5652 FreeDictInternalRep
,
5658 void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
5660 JIM_NOTUSED(interp
);
5662 Jim_FreeHashTable(objPtr
->internalRep
.ptr
);
5663 Jim_Free(objPtr
->internalRep
.ptr
);
5666 void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
5668 Jim_HashTable
*ht
, *dupHt
;
5669 Jim_HashTableIterator
*htiter
;
5672 /* Create a new hash table */
5673 ht
= srcPtr
->internalRep
.ptr
;
5674 dupHt
= Jim_Alloc(sizeof(*dupHt
));
5675 Jim_InitHashTable(dupHt
, &JimDictHashTableType
, interp
);
5677 Jim_ExpandHashTable(dupHt
, ht
->size
);
5678 /* Copy every element from the source to the dup hash table */
5679 htiter
= Jim_GetHashTableIterator(ht
);
5680 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5681 const Jim_Obj
*keyObjPtr
= he
->key
;
5682 Jim_Obj
*valObjPtr
= he
->val
;
5684 Jim_IncrRefCount((Jim_Obj
*)keyObjPtr
); /* ATTENTION: const cast */
5685 Jim_IncrRefCount(valObjPtr
);
5686 Jim_AddHashEntry(dupHt
, keyObjPtr
, valObjPtr
);
5688 Jim_FreeHashTableIterator(htiter
);
5690 dupPtr
->internalRep
.ptr
= dupHt
;
5691 dupPtr
->typePtr
= &dictObjType
;
5694 void UpdateStringOfDict(struct Jim_Obj
*objPtr
)
5696 int i
, bufLen
, realLength
;
5699 int *quotingType
, objc
;
5701 Jim_HashTableIterator
*htiter
;
5705 /* Trun the hash table into a flat vector of Jim_Objects. */
5706 ht
= objPtr
->internalRep
.ptr
;
5708 objv
= Jim_Alloc(objc
*sizeof(Jim_Obj
*));
5709 htiter
= Jim_GetHashTableIterator(ht
);
5711 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5712 objv
[i
++] = (Jim_Obj
*)he
->key
; /* ATTENTION: const cast */
5713 objv
[i
++] = he
->val
;
5715 Jim_FreeHashTableIterator(htiter
);
5716 /* (Over) Estimate the space needed. */
5717 quotingType
= Jim_Alloc(sizeof(int)*objc
);
5719 for (i
= 0; i
< objc
; i
++) {
5722 strRep
= Jim_GetString(objv
[i
], &len
);
5723 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5724 switch (quotingType
[i
]) {
5725 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5726 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5727 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5729 bufLen
++; /* elements separator. */
5733 /* Generate the string rep. */
5734 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5736 for (i
= 0; i
< objc
; i
++) {
5738 const char *strRep
= Jim_GetString(objv
[i
], &len
);
5741 switch(quotingType
[i
]) {
5742 case JIM_ELESTR_SIMPLE
:
5743 memcpy(p
, strRep
, len
);
5747 case JIM_ELESTR_BRACE
:
5749 memcpy(p
, strRep
, len
);
5752 realLength
+= len
+2;
5754 case JIM_ELESTR_QUOTE
:
5755 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5762 /* Add a separating space */
5768 *p
= '\0'; /* nul term. */
5769 objPtr
->length
= realLength
;
5770 Jim_Free(quotingType
);
5774 int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5776 struct JimParserCtx parser
;
5782 /* Get the string representation */
5783 str
= Jim_GetString(objPtr
, &strLen
);
5785 /* Free the old internal repr just now and initialize the
5786 * new one just now. The string->list conversion can't fail. */
5787 Jim_FreeIntRep(interp
, objPtr
);
5788 ht
= Jim_Alloc(sizeof(*ht
));
5789 Jim_InitHashTable(ht
, &JimDictHashTableType
, interp
);
5790 objPtr
->typePtr
= &dictObjType
;
5791 objPtr
->internalRep
.ptr
= ht
;
5793 /* Convert into a dict */
5794 JimParserInit(&parser
, str
, strLen
, 1);
5796 while(!JimParserEof(&parser
)) {
5800 JimParseList(&parser
);
5801 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5802 JimParserTtype(&parser
) != JIM_TT_ESC
)
5804 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5805 objv
[i
++] = Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5808 Jim_IncrRefCount(objv
[0]);
5809 Jim_IncrRefCount(objv
[1]);
5810 if (Jim_AddHashEntry(ht
, objv
[0], objv
[1]) != JIM_OK
) {
5812 he
= Jim_FindHashEntry(ht
, objv
[0]);
5813 Jim_DecrRefCount(interp
, objv
[0]);
5814 /* ATTENTION: const cast */
5815 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5821 Jim_FreeNewObj(interp
, objv
[0]);
5822 objPtr
->typePtr
= NULL
;
5823 Jim_FreeHashTable(ht
);
5824 Jim_SetResultString(interp
, "invalid dictionary value: must be a list with an even number of elements", -1);
5830 /* Dict object API */
5832 /* Add an element to a dict. objPtr must be of the "dict" type.
5833 * The higer-level exported function is Jim_DictAddElement().
5834 * If an element with the specified key already exists, the value
5835 * associated is replaced with the new one.
5837 * if valueObjPtr == NULL, the key is instead removed if it exists. */
5838 static void DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5839 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5841 Jim_HashTable
*ht
= objPtr
->internalRep
.ptr
;
5843 if (valueObjPtr
== NULL
) { /* unset */
5844 Jim_DeleteHashEntry(ht
, keyObjPtr
);
5847 Jim_IncrRefCount(keyObjPtr
);
5848 Jim_IncrRefCount(valueObjPtr
);
5849 if (Jim_AddHashEntry(ht
, keyObjPtr
, valueObjPtr
) != JIM_OK
) {
5850 Jim_HashEntry
*he
= Jim_FindHashEntry(ht
, keyObjPtr
);
5851 Jim_DecrRefCount(interp
, keyObjPtr
);
5852 /* ATTENTION: const cast */
5853 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5854 he
->val
= valueObjPtr
;
5858 /* Add an element, higher-level interface for DictAddElement().
5859 * If valueObjPtr == NULL, the key is removed if it exists. */
5860 int Jim_DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5861 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5863 if (Jim_IsShared(objPtr
))
5864 Jim_Panic(interp
,"Jim_DictAddElement called with shared object");
5865 if (objPtr
->typePtr
!= &dictObjType
) {
5866 if (SetDictFromAny(interp
, objPtr
) != JIM_OK
)
5869 DictAddElement(interp
, objPtr
, keyObjPtr
, valueObjPtr
);
5870 Jim_InvalidateStringRep(objPtr
);
5874 Jim_Obj
*Jim_NewDictObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
, int len
)
5880 Jim_Panic(interp
,"Jim_NewDicObj() 'len' argument must be even");
5882 objPtr
= Jim_NewObj(interp
);
5883 objPtr
->typePtr
= &dictObjType
;
5884 objPtr
->bytes
= NULL
;
5885 objPtr
->internalRep
.ptr
= Jim_Alloc(sizeof(Jim_HashTable
));
5886 Jim_InitHashTable(objPtr
->internalRep
.ptr
, &JimDictHashTableType
, interp
);
5887 for (i
= 0; i
< len
; i
+= 2)
5888 DictAddElement(interp
, objPtr
, elements
[i
], elements
[i
+1]);
5892 /* Return the value associated to the specified dict key */
5893 int Jim_DictKey(Jim_Interp
*interp
, Jim_Obj
*dictPtr
, Jim_Obj
*keyPtr
,
5894 Jim_Obj
**objPtrPtr
, int flags
)
5899 if (dictPtr
->typePtr
!= &dictObjType
) {
5900 if (SetDictFromAny(interp
, dictPtr
) != JIM_OK
)
5903 ht
= dictPtr
->internalRep
.ptr
;
5904 if ((he
= Jim_FindHashEntry(ht
, keyPtr
)) == NULL
) {
5905 if (flags
& JIM_ERRMSG
) {
5906 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
5907 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
5908 "key \"", Jim_GetString(keyPtr
, NULL
),
5909 "\" not found in dictionary", NULL
);
5913 *objPtrPtr
= he
->val
;
5917 /* Return the value associated to the specified dict keys */
5918 int Jim_DictKeysVector(Jim_Interp
*interp
, Jim_Obj
*dictPtr
,
5919 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
**objPtrPtr
, int flags
)
5925 *objPtrPtr
= dictPtr
;
5929 for (i
= 0; i
< keyc
; i
++) {
5930 if (Jim_DictKey(interp
, dictPtr
, keyv
[i
], &objPtr
, flags
)
5935 *objPtrPtr
= objPtr
;
5939 /* Modify the dict stored into the variable named 'varNamePtr'
5940 * setting the element specified by the 'keyc' keys objects in 'keyv',
5941 * with the new value of the element 'newObjPtr'.
5943 * If newObjPtr == NULL the operation is to remove the given key
5944 * from the dictionary. */
5945 int Jim_SetDictKeysVector(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5946 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
*newObjPtr
)
5948 Jim_Obj
*varObjPtr
, *objPtr
, *dictObjPtr
;
5951 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5952 if (objPtr
== NULL
) {
5953 if (newObjPtr
== NULL
) /* Cannot remove a key from non existing var */
5955 varObjPtr
= objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5956 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
5957 Jim_FreeNewObj(interp
, varObjPtr
);
5961 if ((shared
= Jim_IsShared(objPtr
)))
5962 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5963 for (i
= 0; i
< keyc
-1; i
++) {
5964 dictObjPtr
= objPtr
;
5966 /* Check if it's a valid dictionary */
5967 if (dictObjPtr
->typePtr
!= &dictObjType
) {
5968 if (SetDictFromAny(interp
, dictObjPtr
) != JIM_OK
)
5971 /* Check if the given key exists. */
5972 Jim_InvalidateStringRep(dictObjPtr
);
5973 if (Jim_DictKey(interp
, dictObjPtr
, keyv
[i
], &objPtr
,
5974 newObjPtr
? JIM_NONE
: JIM_ERRMSG
) == JIM_OK
)
5976 /* This key exists at the current level.
5977 * Make sure it's not shared!. */
5978 if (Jim_IsShared(objPtr
)) {
5979 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5980 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5983 /* Key not found. If it's an [unset] operation
5984 * this is an error. Only the last key may not
5986 if (newObjPtr
== NULL
)
5988 /* Otherwise set an empty dictionary
5989 * as key's value. */
5990 objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5991 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5994 if (Jim_DictAddElement(interp
, objPtr
, keyv
[keyc
-1], newObjPtr
)
5997 Jim_InvalidateStringRep(objPtr
);
5998 Jim_InvalidateStringRep(varObjPtr
);
5999 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
6001 Jim_SetResult(interp
, varObjPtr
);
6005 Jim_FreeNewObj(interp
, varObjPtr
);
6010 /* -----------------------------------------------------------------------------
6012 * ---------------------------------------------------------------------------*/
6013 static void UpdateStringOfIndex(struct Jim_Obj
*objPtr
);
6014 static int SetIndexFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6016 static Jim_ObjType indexObjType
= {
6020 UpdateStringOfIndex
,
6024 void UpdateStringOfIndex(struct Jim_Obj
*objPtr
)
6027 char buf
[JIM_INTEGER_SPACE
+1];
6029 if (objPtr
->internalRep
.indexValue
>= 0)
6030 len
= sprintf(buf
, "%d", objPtr
->internalRep
.indexValue
);
6031 else if (objPtr
->internalRep
.indexValue
== -1)
6032 len
= sprintf(buf
, "end");
6034 len
= sprintf(buf
, "end%d", objPtr
->internalRep
.indexValue
+1);
6036 objPtr
->bytes
= Jim_Alloc(len
+1);
6037 memcpy(objPtr
->bytes
, buf
, len
+1);
6038 objPtr
->length
= len
;
6041 int SetIndexFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6046 /* Get the string representation */
6047 str
= Jim_GetString(objPtr
, NULL
);
6048 /* Try to convert into an index */
6049 if (!strcmp(str
, "end")) {
6053 if (!strncmp(str
, "end-", 4)) {
6057 if (Jim_StringToIndex(str
, &index
) != JIM_OK
) {
6058 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6059 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6060 "bad index \"", Jim_GetString(objPtr
, NULL
), "\": "
6061 "must be integer or end?-integer?", NULL
);
6070 } else if (!end
&& index
< 0)
6072 /* Free the old internal repr and set the new one. */
6073 Jim_FreeIntRep(interp
, objPtr
);
6074 objPtr
->typePtr
= &indexObjType
;
6075 objPtr
->internalRep
.indexValue
= index
;
6079 int Jim_GetIndex(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *indexPtr
)
6081 /* Avoid shimmering if the object is an integer. */
6082 if (objPtr
->typePtr
== &intObjType
) {
6083 jim_wide val
= objPtr
->internalRep
.wideValue
;
6084 if (!(val
< LONG_MIN
) && !(val
> LONG_MAX
)) {
6085 *indexPtr
= (val
< 0) ? -INT_MAX
: (long)val
;;
6089 if (objPtr
->typePtr
!= &indexObjType
&&
6090 SetIndexFromAny(interp
, objPtr
) == JIM_ERR
)
6092 *indexPtr
= objPtr
->internalRep
.indexValue
;
6096 /* -----------------------------------------------------------------------------
6097 * Return Code Object.
6098 * ---------------------------------------------------------------------------*/
6100 static int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6102 static Jim_ObjType returnCodeObjType
= {
6110 int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6113 int strLen
, returnCode
;
6116 /* Get the string representation */
6117 str
= Jim_GetString(objPtr
, &strLen
);
6118 /* Try to convert into an integer */
6119 if (JimGetWideNoErr(interp
, objPtr
, &wideValue
) != JIM_ERR
)
6120 returnCode
= (int) wideValue
;
6121 else if (!JimStringCompare(str
, strLen
, "ok", 2, JIM_NOCASE
))
6122 returnCode
= JIM_OK
;
6123 else if (!JimStringCompare(str
, strLen
, "error", 5, JIM_NOCASE
))
6124 returnCode
= JIM_ERR
;
6125 else if (!JimStringCompare(str
, strLen
, "return", 6, JIM_NOCASE
))
6126 returnCode
= JIM_RETURN
;
6127 else if (!JimStringCompare(str
, strLen
, "break", 5, JIM_NOCASE
))
6128 returnCode
= JIM_BREAK
;
6129 else if (!JimStringCompare(str
, strLen
, "continue", 8, JIM_NOCASE
))
6130 returnCode
= JIM_CONTINUE
;
6131 else if (!JimStringCompare(str
, strLen
, "eval", 4, JIM_NOCASE
))
6132 returnCode
= JIM_EVAL
;
6133 else if (!JimStringCompare(str
, strLen
, "exit", 4, JIM_NOCASE
))
6134 returnCode
= JIM_EXIT
;
6136 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6137 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6138 "expected return code but got '", str
, "'",
6142 /* Free the old internal repr and set the new one. */
6143 Jim_FreeIntRep(interp
, objPtr
);
6144 objPtr
->typePtr
= &returnCodeObjType
;
6145 objPtr
->internalRep
.returnCode
= returnCode
;
6149 int Jim_GetReturnCode(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *intPtr
)
6151 if (objPtr
->typePtr
!= &returnCodeObjType
&&
6152 SetReturnCodeFromAny(interp
, objPtr
) == JIM_ERR
)
6154 *intPtr
= objPtr
->internalRep
.returnCode
;
6158 /* -----------------------------------------------------------------------------
6159 * Expression Parsing
6160 * ---------------------------------------------------------------------------*/
6161 static int JimParseExprOperator(struct JimParserCtx
*pc
);
6162 static int JimParseExprNumber(struct JimParserCtx
*pc
);
6163 static int JimParseExprIrrational(struct JimParserCtx
*pc
);
6165 /* Exrp's Stack machine operators opcodes. */
6167 /* Binary operators (numbers) */
6168 #define JIM_EXPROP_BINARY_NUM_FIRST 0 /* first */
6169 #define JIM_EXPROP_MUL 0
6170 #define JIM_EXPROP_DIV 1
6171 #define JIM_EXPROP_MOD 2
6172 #define JIM_EXPROP_SUB 3
6173 #define JIM_EXPROP_ADD 4
6174 #define JIM_EXPROP_LSHIFT 5
6175 #define JIM_EXPROP_RSHIFT 6
6176 #define JIM_EXPROP_ROTL 7
6177 #define JIM_EXPROP_ROTR 8
6178 #define JIM_EXPROP_LT 9
6179 #define JIM_EXPROP_GT 10
6180 #define JIM_EXPROP_LTE 11
6181 #define JIM_EXPROP_GTE 12
6182 #define JIM_EXPROP_NUMEQ 13
6183 #define JIM_EXPROP_NUMNE 14
6184 #define JIM_EXPROP_BITAND 15
6185 #define JIM_EXPROP_BITXOR 16
6186 #define JIM_EXPROP_BITOR 17
6187 #define JIM_EXPROP_LOGICAND 18
6188 #define JIM_EXPROP_LOGICOR 19
6189 #define JIM_EXPROP_LOGICAND_LEFT 20
6190 #define JIM_EXPROP_LOGICOR_LEFT 21
6191 #define JIM_EXPROP_POW 22
6192 #define JIM_EXPROP_BINARY_NUM_LAST 22 /* last */
6194 /* Binary operators (strings) */
6195 #define JIM_EXPROP_STREQ 23
6196 #define JIM_EXPROP_STRNE 24
6198 /* Unary operators (numbers) */
6199 #define JIM_EXPROP_NOT 25
6200 #define JIM_EXPROP_BITNOT 26
6201 #define JIM_EXPROP_UNARYMINUS 27
6202 #define JIM_EXPROP_UNARYPLUS 28
6203 #define JIM_EXPROP_LOGICAND_RIGHT 29
6204 #define JIM_EXPROP_LOGICOR_RIGHT 30
6206 /* Ternary operators */
6207 #define JIM_EXPROP_TERNARY 31
6210 #define JIM_EXPROP_NUMBER 32
6211 #define JIM_EXPROP_COMMAND 33
6212 #define JIM_EXPROP_VARIABLE 34
6213 #define JIM_EXPROP_DICTSUGAR 35
6214 #define JIM_EXPROP_SUBST 36
6215 #define JIM_EXPROP_STRING 37
6217 /* Operators table */
6218 typedef struct Jim_ExprOperator
{
6225 /* name - precedence - arity - opcode */
6226 static struct Jim_ExprOperator Jim_ExprOperators
[] = {
6227 {"!", 300, 1, JIM_EXPROP_NOT
},
6228 {"~", 300, 1, JIM_EXPROP_BITNOT
},
6229 {"unarymin", 300, 1, JIM_EXPROP_UNARYMINUS
},
6230 {"unaryplus", 300, 1, JIM_EXPROP_UNARYPLUS
},
6232 {"**", 250, 2, JIM_EXPROP_POW
},
6234 {"*", 200, 2, JIM_EXPROP_MUL
},
6235 {"/", 200, 2, JIM_EXPROP_DIV
},
6236 {"%", 200, 2, JIM_EXPROP_MOD
},
6238 {"-", 100, 2, JIM_EXPROP_SUB
},
6239 {"+", 100, 2, JIM_EXPROP_ADD
},
6241 {"<<<", 90, 3, JIM_EXPROP_ROTL
},
6242 {">>>", 90, 3, JIM_EXPROP_ROTR
},
6243 {"<<", 90, 2, JIM_EXPROP_LSHIFT
},
6244 {">>", 90, 2, JIM_EXPROP_RSHIFT
},
6246 {"<", 80, 2, JIM_EXPROP_LT
},
6247 {">", 80, 2, JIM_EXPROP_GT
},
6248 {"<=", 80, 2, JIM_EXPROP_LTE
},
6249 {">=", 80, 2, JIM_EXPROP_GTE
},
6251 {"==", 70, 2, JIM_EXPROP_NUMEQ
},
6252 {"!=", 70, 2, JIM_EXPROP_NUMNE
},
6254 {"eq", 60, 2, JIM_EXPROP_STREQ
},
6255 {"ne", 60, 2, JIM_EXPROP_STRNE
},
6257 {"&", 50, 2, JIM_EXPROP_BITAND
},
6258 {"^", 49, 2, JIM_EXPROP_BITXOR
},
6259 {"|", 48, 2, JIM_EXPROP_BITOR
},
6261 {"&&", 10, 2, JIM_EXPROP_LOGICAND
},
6262 {"||", 10, 2, JIM_EXPROP_LOGICOR
},
6264 {"?", 5, 3, JIM_EXPROP_TERNARY
},
6265 /* private operators */
6266 {NULL
, 10, 2, JIM_EXPROP_LOGICAND_LEFT
},
6267 {NULL
, 10, 1, JIM_EXPROP_LOGICAND_RIGHT
},
6268 {NULL
, 10, 2, JIM_EXPROP_LOGICOR_LEFT
},
6269 {NULL
, 10, 1, JIM_EXPROP_LOGICOR_RIGHT
},
6272 #define JIM_EXPR_OPERATORS_NUM \
6273 (sizeof(Jim_ExprOperators)/sizeof(struct Jim_ExprOperator))
6275 int JimParseExpression(struct JimParserCtx
*pc
)
6277 /* Discard spaces and quoted newline */
6278 while(*(pc
->p
) == ' ' ||
6282 (*(pc
->p
) == '\\' && *(pc
->p
+1) == '\n')) {
6287 pc
->tstart
= pc
->tend
= pc
->p
;
6288 pc
->tline
= pc
->linenr
;
6289 pc
->tt
= JIM_TT_EOL
;
6295 pc
->tstart
= pc
->tend
= pc
->p
;
6296 pc
->tline
= pc
->linenr
;
6297 pc
->tt
= JIM_TT_SUBEXPR_START
;
6301 pc
->tstart
= pc
->tend
= pc
->p
;
6302 pc
->tline
= pc
->linenr
;
6303 pc
->tt
= JIM_TT_SUBEXPR_END
;
6307 return JimParseCmd(pc
);
6310 if (JimParseVar(pc
) == JIM_ERR
)
6311 return JimParseExprOperator(pc
);
6316 if ((pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_EXPR_OPERATOR
) &&
6317 isdigit((int)*(pc
->p
+1)))
6318 return JimParseExprNumber(pc
);
6320 return JimParseExprOperator(pc
);
6322 case '0': case '1': case '2': case '3': case '4':
6323 case '5': case '6': case '7': case '8': case '9': case '.':
6324 return JimParseExprNumber(pc
);
6328 /* Here it's possible to reuse the List String parsing. */
6329 pc
->tt
= JIM_TT_NONE
; /* Make sure it's sensed as a new word. */
6330 return JimParseListStr(pc
);
6334 if (JimParseExprIrrational(pc
) == JIM_ERR
)
6335 return JimParseExprOperator(pc
);
6338 return JimParseExprOperator(pc
);
6344 int JimParseExprNumber(struct JimParserCtx
*pc
)
6350 pc
->tline
= pc
->linenr
;
6351 if (*pc
->p
== '-') {
6354 while ( isdigit((int)*pc
->p
)
6355 || (allowhex
&& isxdigit((int)*pc
->p
) )
6356 || (allowdot
&& *pc
->p
== '.')
6357 || (pc
->p
-pc
->tstart
== 1 && *pc
->tstart
== '0' &&
6358 (*pc
->p
== 'x' || *pc
->p
== 'X'))
6361 if ((*pc
->p
== 'x') || (*pc
->p
== 'X')) {
6368 if (!allowdot
&& *pc
->p
== 'e' && *(pc
->p
+1) == '-') {
6369 pc
->p
+= 2; pc
->len
-= 2;
6373 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6377 int JimParseExprIrrational(struct JimParserCtx
*pc
)
6379 const char *Tokens
[] = {"NaN", "nan", "NAN", "Inf", "inf", "INF", NULL
};
6381 for (token
= Tokens
; *token
!= NULL
; token
++) {
6382 int len
= strlen(*token
);
6383 if (strncmp(*token
, pc
->p
, len
) == 0) {
6385 pc
->tend
= pc
->p
+ len
- 1;
6386 pc
->p
+= len
; pc
->len
-= len
;
6387 pc
->tline
= pc
->linenr
;
6388 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6395 int JimParseExprOperator(struct JimParserCtx
*pc
)
6398 int bestIdx
= -1, bestLen
= 0;
6400 /* Try to get the longest match. */
6401 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++) {
6405 opname
= Jim_ExprOperators
[i
].name
;
6406 if (opname
== NULL
) continue;
6407 oplen
= strlen(opname
);
6409 if (strncmp(opname
, pc
->p
, oplen
) == 0 && oplen
> bestLen
) {
6414 if (bestIdx
== -1) return JIM_ERR
;
6416 pc
->tend
= pc
->p
+ bestLen
- 1;
6417 pc
->p
+= bestLen
; pc
->len
-= bestLen
;
6418 pc
->tline
= pc
->linenr
;
6419 pc
->tt
= JIM_TT_EXPR_OPERATOR
;
6423 struct Jim_ExprOperator
*JimExprOperatorInfo(const char *opname
)
6426 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6427 if (Jim_ExprOperators
[i
].name
&&
6428 strcmp(opname
, Jim_ExprOperators
[i
].name
) == 0)
6429 return &Jim_ExprOperators
[i
];
6433 struct Jim_ExprOperator
*JimExprOperatorInfoByOpcode(int opcode
)
6436 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6437 if (Jim_ExprOperators
[i
].opcode
== opcode
)
6438 return &Jim_ExprOperators
[i
];
6442 /* -----------------------------------------------------------------------------
6444 * ---------------------------------------------------------------------------*/
6445 static void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6446 static void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
6447 static int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6449 static Jim_ObjType exprObjType
= {
6451 FreeExprInternalRep
,
6454 JIM_TYPE_REFERENCES
,
6457 /* Expr bytecode structure */
6458 typedef struct ExprByteCode
{
6459 int *opcode
; /* Integer array of opcodes. */
6460 Jim_Obj
**obj
; /* Array of associated Jim Objects. */
6461 int len
; /* Bytecode length */
6462 int inUse
; /* Used for sharing. */
6465 void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6468 ExprByteCode
*expr
= (void*) objPtr
->internalRep
.ptr
;
6471 if (expr
->inUse
!= 0) return;
6472 for (i
= 0; i
< expr
->len
; i
++)
6473 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6474 Jim_Free(expr
->opcode
);
6475 Jim_Free(expr
->obj
);
6479 void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
6481 JIM_NOTUSED(interp
);
6482 JIM_NOTUSED(srcPtr
);
6484 /* Just returns an simple string. */
6485 dupPtr
->typePtr
= NULL
;
6488 /* Add a new instruction to an expression bytecode structure. */
6489 static void ExprObjAddInstr(Jim_Interp
*interp
, ExprByteCode
*expr
,
6490 int opcode
, char *str
, int len
)
6492 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+1));
6493 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+1));
6494 expr
->opcode
[expr
->len
] = opcode
;
6495 expr
->obj
[expr
->len
] = Jim_NewStringObjNoAlloc(interp
, str
, len
);
6496 Jim_IncrRefCount(expr
->obj
[expr
->len
]);
6500 /* Check if an expr program looks correct. */
6501 static int ExprCheckCorrectness(ExprByteCode
*expr
)
6506 /* Try to check if there are stack underflows,
6507 * and make sure at the end of the program there is
6508 * a single result on the stack. */
6509 for (i
= 0; i
< expr
->len
; i
++) {
6510 switch(expr
->opcode
[i
]) {
6511 case JIM_EXPROP_NUMBER
:
6512 case JIM_EXPROP_STRING
:
6513 case JIM_EXPROP_SUBST
:
6514 case JIM_EXPROP_VARIABLE
:
6515 case JIM_EXPROP_DICTSUGAR
:
6516 case JIM_EXPROP_COMMAND
:
6519 case JIM_EXPROP_NOT
:
6520 case JIM_EXPROP_BITNOT
:
6521 case JIM_EXPROP_UNARYMINUS
:
6522 case JIM_EXPROP_UNARYPLUS
:
6523 /* Unary operations */
6524 if (stacklen
< 1) return JIM_ERR
;
6526 case JIM_EXPROP_ADD
:
6527 case JIM_EXPROP_SUB
:
6528 case JIM_EXPROP_MUL
:
6529 case JIM_EXPROP_DIV
:
6530 case JIM_EXPROP_MOD
:
6533 case JIM_EXPROP_LTE
:
6534 case JIM_EXPROP_GTE
:
6535 case JIM_EXPROP_ROTL
:
6536 case JIM_EXPROP_ROTR
:
6537 case JIM_EXPROP_LSHIFT
:
6538 case JIM_EXPROP_RSHIFT
:
6539 case JIM_EXPROP_NUMEQ
:
6540 case JIM_EXPROP_NUMNE
:
6541 case JIM_EXPROP_STREQ
:
6542 case JIM_EXPROP_STRNE
:
6543 case JIM_EXPROP_BITAND
:
6544 case JIM_EXPROP_BITXOR
:
6545 case JIM_EXPROP_BITOR
:
6546 case JIM_EXPROP_LOGICAND
:
6547 case JIM_EXPROP_LOGICOR
:
6548 case JIM_EXPROP_POW
:
6549 /* binary operations */
6550 if (stacklen
< 2) return JIM_ERR
;
6554 Jim_Panic(NULL
,"Default opcode reached ExprCheckCorrectness");
6558 if (stacklen
!= 1) return JIM_ERR
;
6562 static void ExprShareLiterals(Jim_Interp
*interp
, ExprByteCode
*expr
,
6563 ScriptObj
*topLevelScript
)
6568 for (i
= 0; i
< expr
->len
; i
++) {
6569 Jim_Obj
*foundObjPtr
;
6571 if (expr
->obj
[i
] == NULL
) continue;
6572 foundObjPtr
= ScriptSearchLiteral(interp
, topLevelScript
,
6573 NULL
, expr
->obj
[i
]);
6574 if (foundObjPtr
!= NULL
) {
6575 Jim_IncrRefCount(foundObjPtr
);
6576 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6577 expr
->obj
[i
] = foundObjPtr
;
6582 /* This procedure converts every occurrence of || and && opereators
6583 * in lazy unary versions.
6585 * a b || is converted into:
6587 * a <offset> |L b |R
6589 * a b && is converted into:
6591 * a <offset> &L b &R
6593 * "|L" checks if 'a' is true:
6594 * 1) if it is true pushes 1 and skips <offset> istructions to reach
6595 * the opcode just after |R.
6596 * 2) if it is false does nothing.
6597 * "|R" checks if 'b' is true:
6598 * 1) if it is true pushes 1, otherwise pushes 0.
6600 * "&L" checks if 'a' is true:
6601 * 1) if it is true does nothing.
6602 * 2) If it is false pushes 0 and skips <offset> istructions to reach
6603 * the opcode just after &R
6604 * "&R" checks if 'a' is true:
6605 * if it is true pushes 1, otherwise pushes 0.
6607 static void ExprMakeLazy(Jim_Interp
*interp
, ExprByteCode
*expr
)
6610 int index
= -1, leftindex
, arity
, i
, offset
;
6611 Jim_ExprOperator
*op
;
6613 /* Search for || or && */
6614 for (i
= 0; i
< expr
->len
; i
++) {
6615 if (expr
->opcode
[i
] == JIM_EXPROP_LOGICAND
||
6616 expr
->opcode
[i
] == JIM_EXPROP_LOGICOR
) {
6621 if (index
== -1) return;
6622 /* Search for the end of the first operator */
6623 leftindex
= index
-1;
6626 switch(expr
->opcode
[leftindex
]) {
6627 case JIM_EXPROP_NUMBER
:
6628 case JIM_EXPROP_COMMAND
:
6629 case JIM_EXPROP_VARIABLE
:
6630 case JIM_EXPROP_DICTSUGAR
:
6631 case JIM_EXPROP_SUBST
:
6632 case JIM_EXPROP_STRING
:
6635 op
= JimExprOperatorInfoByOpcode(expr
->opcode
[leftindex
]);
6637 Jim_Panic(interp
,"Default reached in ExprMakeLazy()");
6646 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+2));
6647 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+2));
6648 memmove(&expr
->opcode
[leftindex
+2], &expr
->opcode
[leftindex
],
6649 sizeof(int)*(expr
->len
-leftindex
));
6650 memmove(&expr
->obj
[leftindex
+2], &expr
->obj
[leftindex
],
6651 sizeof(Jim_Obj
*)*(expr
->len
-leftindex
));
6654 offset
= (index
-leftindex
)-1;
6655 Jim_DecrRefCount(interp
, expr
->obj
[index
]);
6656 if (expr
->opcode
[index
] == JIM_EXPROP_LOGICAND
) {
6657 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICAND_LEFT
;
6658 expr
->opcode
[index
] = JIM_EXPROP_LOGICAND_RIGHT
;
6659 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "&L", -1);
6660 expr
->obj
[index
] = Jim_NewStringObj(interp
, "&R", -1);
6662 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICOR_LEFT
;
6663 expr
->opcode
[index
] = JIM_EXPROP_LOGICOR_RIGHT
;
6664 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "|L", -1);
6665 expr
->obj
[index
] = Jim_NewStringObj(interp
, "|R", -1);
6667 expr
->opcode
[leftindex
] = JIM_EXPROP_NUMBER
;
6668 expr
->obj
[leftindex
] = Jim_NewIntObj(interp
, offset
);
6669 Jim_IncrRefCount(expr
->obj
[index
]);
6670 Jim_IncrRefCount(expr
->obj
[leftindex
]);
6671 Jim_IncrRefCount(expr
->obj
[leftindex
+1]);
6675 /* This method takes the string representation of an expression
6676 * and generates a program for the Expr's stack-based VM. */
6677 int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
6680 const char *exprText
= Jim_GetString(objPtr
, &exprTextLen
);
6681 struct JimParserCtx parser
;
6682 int i
, shareLiterals
;
6683 ExprByteCode
*expr
= Jim_Alloc(sizeof(*expr
));
6685 Jim_ExprOperator
*op
;
6687 /* Perform literal sharing with the current procedure
6688 * running only if this expression appears to be not generated
6690 shareLiterals
= objPtr
->typePtr
== &sourceObjType
;
6692 expr
->opcode
= NULL
;
6697 Jim_InitStack(&stack
);
6698 JimParserInit(&parser
, exprText
, exprTextLen
, 1);
6699 while(!JimParserEof(&parser
)) {
6703 if (JimParseExpression(&parser
) != JIM_OK
) {
6704 Jim_SetResultString(interp
, "Syntax error in expression", -1);
6707 token
= JimParserGetToken(&parser
, &len
, &type
, NULL
);
6708 if (type
== JIM_TT_EOL
) {
6714 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_STRING
, token
, len
);
6717 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_SUBST
, token
, len
);
6720 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_VARIABLE
, token
, len
);
6722 case JIM_TT_DICTSUGAR
:
6723 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_DICTSUGAR
, token
, len
);
6726 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_COMMAND
, token
, len
);
6728 case JIM_TT_EXPR_NUMBER
:
6729 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_NUMBER
, token
, len
);
6731 case JIM_TT_EXPR_OPERATOR
:
6732 op
= JimExprOperatorInfo(token
);
6734 Jim_ExprOperator
*stackTopOp
;
6736 if (Jim_StackPeek(&stack
) != NULL
) {
6737 stackTopOp
= JimExprOperatorInfo(Jim_StackPeek(&stack
));
6741 if (Jim_StackLen(&stack
) && op
->arity
!= 1 &&
6742 stackTopOp
&& stackTopOp
->precedence
>= op
->precedence
)
6744 ExprObjAddInstr(interp
, expr
, stackTopOp
->opcode
,
6745 Jim_StackPeek(&stack
), -1);
6746 Jim_StackPop(&stack
);
6751 Jim_StackPush(&stack
, token
);
6753 case JIM_TT_SUBEXPR_START
:
6754 Jim_StackPush(&stack
, Jim_StrDup("("));
6757 case JIM_TT_SUBEXPR_END
:
6760 while(Jim_StackLen(&stack
)) {
6761 char *opstr
= Jim_StackPop(&stack
);
6762 if (!strcmp(opstr
, "(")) {
6767 op
= JimExprOperatorInfo(opstr
);
6768 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6771 Jim_SetResultString(interp
,
6772 "Unexpected close parenthesis", -1);
6779 Jim_Panic(interp
,"Default reached in SetExprFromAny()");
6783 while (Jim_StackLen(&stack
)) {
6784 char *opstr
= Jim_StackPop(&stack
);
6785 op
= JimExprOperatorInfo(opstr
);
6786 if (op
== NULL
&& !strcmp(opstr
, "(")) {
6788 Jim_SetResultString(interp
, "Missing close parenthesis", -1);
6791 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6793 /* Check program correctness. */
6794 if (ExprCheckCorrectness(expr
) != JIM_OK
) {
6795 Jim_SetResultString(interp
, "Invalid expression", -1);
6799 /* Free the stack used for the compilation. */
6800 Jim_FreeStackElements(&stack
, Jim_Free
);
6801 Jim_FreeStack(&stack
);
6803 /* Convert || and && operators in unary |L |R and &L &R for lazyness */
6804 ExprMakeLazy(interp
, expr
);
6806 /* Perform literal sharing */
6807 if (shareLiterals
&& interp
->framePtr
->procBodyObjPtr
) {
6808 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
6809 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
6810 ScriptObj
*bodyScript
= bodyObjPtr
->internalRep
.ptr
;
6811 ExprShareLiterals(interp
, expr
, bodyScript
);
6815 /* Free the old internal rep and set the new one. */
6816 Jim_FreeIntRep(interp
, objPtr
);
6817 Jim_SetIntRepPtr(objPtr
, expr
);
6818 objPtr
->typePtr
= &exprObjType
;
6821 err
: /* we jump here on syntax/compile errors. */
6822 Jim_FreeStackElements(&stack
, Jim_Free
);
6823 Jim_FreeStack(&stack
);
6824 Jim_Free(expr
->opcode
);
6825 for (i
= 0; i
< expr
->len
; i
++) {
6826 Jim_DecrRefCount(interp
,expr
->obj
[i
]);
6828 Jim_Free(expr
->obj
);
6833 ExprByteCode
*Jim_GetExpression(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6835 if (objPtr
->typePtr
!= &exprObjType
) {
6836 if (SetExprFromAny(interp
, objPtr
) != JIM_OK
)
6839 return (ExprByteCode
*) Jim_GetIntRepPtr(objPtr
);
6842 /* -----------------------------------------------------------------------------
6843 * Expressions evaluation.
6844 * Jim uses a specialized stack-based virtual machine for expressions,
6845 * that takes advantage of the fact that expr's operators
6846 * can't be redefined.
6848 * Jim_EvalExpression() uses the bytecode compiled by
6849 * SetExprFromAny() method of the "expression" object.
6851 * On success a Tcl Object containing the result of the evaluation
6852 * is stored into expResultPtrPtr (having refcount of 1), and JIM_OK is
6854 * On error the function returns a retcode != to JIM_OK and set a suitable
6855 * error on the interp.
6856 * ---------------------------------------------------------------------------*/
6857 #define JIM_EE_STATICSTACK_LEN 10
6859 int Jim_EvalExpression(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
,
6860 Jim_Obj
**exprResultPtrPtr
)
6863 Jim_Obj
**stack
, *staticStack
[JIM_EE_STATICSTACK_LEN
];
6864 int stacklen
= 0, i
, error
= 0, errRetCode
= JIM_ERR
;
6866 Jim_IncrRefCount(exprObjPtr
);
6867 expr
= Jim_GetExpression(interp
, exprObjPtr
);
6869 Jim_DecrRefCount(interp
, exprObjPtr
);
6870 return JIM_ERR
; /* error in expression. */
6872 /* In order to avoid that the internal repr gets freed due to
6873 * shimmering of the exprObjPtr's object, we make the internal rep
6877 /* The stack-based expr VM itself */
6879 /* Stack allocation. Expr programs have the feature that
6880 * a program of length N can't require a stack longer than
6882 if (expr
->len
> JIM_EE_STATICSTACK_LEN
)
6883 stack
= Jim_Alloc(sizeof(Jim_Obj
*)*expr
->len
);
6885 stack
= staticStack
;
6887 /* Execute every istruction */
6888 for (i
= 0; i
< expr
->len
; i
++) {
6889 Jim_Obj
*A
, *B
, *objPtr
;
6890 jim_wide wA
, wB
, wC
;
6892 const char *sA
, *sB
;
6893 int Alen
, Blen
, retcode
;
6894 int opcode
= expr
->opcode
[i
];
6896 if (opcode
== JIM_EXPROP_NUMBER
|| opcode
== JIM_EXPROP_STRING
) {
6897 stack
[stacklen
++] = expr
->obj
[i
];
6898 Jim_IncrRefCount(expr
->obj
[i
]);
6899 } else if (opcode
== JIM_EXPROP_VARIABLE
) {
6900 objPtr
= Jim_GetVariable(interp
, expr
->obj
[i
], JIM_ERRMSG
);
6901 if (objPtr
== NULL
) {
6905 stack
[stacklen
++] = objPtr
;
6906 Jim_IncrRefCount(objPtr
);
6907 } else if (opcode
== JIM_EXPROP_SUBST
) {
6908 if ((retcode
= Jim_SubstObj(interp
, expr
->obj
[i
],
6909 &objPtr
, JIM_NONE
)) != JIM_OK
)
6912 errRetCode
= retcode
;
6915 stack
[stacklen
++] = objPtr
;
6916 Jim_IncrRefCount(objPtr
);
6917 } else if (opcode
== JIM_EXPROP_DICTSUGAR
) {
6918 objPtr
= Jim_ExpandDictSugar(interp
, expr
->obj
[i
]);
6919 if (objPtr
== NULL
) {
6923 stack
[stacklen
++] = objPtr
;
6924 Jim_IncrRefCount(objPtr
);
6925 } else if (opcode
== JIM_EXPROP_COMMAND
) {
6926 if ((retcode
= Jim_EvalObj(interp
, expr
->obj
[i
])) != JIM_OK
) {
6928 errRetCode
= retcode
;
6931 stack
[stacklen
++] = interp
->result
;
6932 Jim_IncrRefCount(interp
->result
);
6933 } else if (opcode
>= JIM_EXPROP_BINARY_NUM_FIRST
&&
6934 opcode
<= JIM_EXPROP_BINARY_NUM_LAST
)
6936 /* Note that there isn't to increment the
6937 * refcount of objects. the references are moved
6938 * from stack to A and B. */
6939 B
= stack
[--stacklen
];
6940 A
= stack
[--stacklen
];
6942 /* --- Integer --- */
6943 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
6944 (B
->typePtr
== &doubleObjType
&& !B
->bytes
) ||
6945 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
||
6946 JimGetWideNoErr(interp
, B
, &wB
) != JIM_OK
) {
6949 Jim_DecrRefCount(interp
, A
);
6950 Jim_DecrRefCount(interp
, B
);
6951 switch(expr
->opcode
[i
]) {
6952 case JIM_EXPROP_ADD
: wC
= wA
+wB
; break;
6953 case JIM_EXPROP_SUB
: wC
= wA
-wB
; break;
6954 case JIM_EXPROP_MUL
: wC
= wA
*wB
; break;
6955 case JIM_EXPROP_LT
: wC
= wA
<wB
; break;
6956 case JIM_EXPROP_GT
: wC
= wA
>wB
; break;
6957 case JIM_EXPROP_LTE
: wC
= wA
<=wB
; break;
6958 case JIM_EXPROP_GTE
: wC
= wA
>=wB
; break;
6959 case JIM_EXPROP_LSHIFT
: wC
= wA
<<wB
; break;
6960 case JIM_EXPROP_RSHIFT
: wC
= wA
>>wB
; break;
6961 case JIM_EXPROP_NUMEQ
: wC
= wA
==wB
; break;
6962 case JIM_EXPROP_NUMNE
: wC
= wA
!=wB
; break;
6963 case JIM_EXPROP_BITAND
: wC
= wA
&wB
; break;
6964 case JIM_EXPROP_BITXOR
: wC
= wA
^wB
; break;
6965 case JIM_EXPROP_BITOR
: wC
= wA
|wB
; break;
6966 case JIM_EXPROP_POW
: wC
= JimPowWide(wA
,wB
); break;
6967 case JIM_EXPROP_LOGICAND_LEFT
:
6975 case JIM_EXPROP_LOGICOR_LEFT
:
6983 case JIM_EXPROP_DIV
:
6984 if (wB
== 0) goto divbyzero
;
6987 case JIM_EXPROP_MOD
:
6988 if (wB
== 0) goto divbyzero
;
6991 case JIM_EXPROP_ROTL
: {
6992 /* uint32_t would be better. But not everyone has inttypes.h?*/
6993 unsigned long uA
= (unsigned long)wA
;
6995 wC
= _rotl(uA
,(unsigned long)wB
);
6997 const unsigned int S
= sizeof(unsigned long) * 8;
6998 wC
= (unsigned long)((uA
<<wB
)|(uA
>>(S
-wB
)));
7002 case JIM_EXPROP_ROTR
: {
7003 unsigned long uA
= (unsigned long)wA
;
7005 wC
= _rotr(uA
,(unsigned long)wB
);
7007 const unsigned int S
= sizeof(unsigned long) * 8;
7008 wC
= (unsigned long)((uA
>>wB
)|(uA
<<(S
-wB
)));
7014 wC
= 0; /* avoid gcc warning */
7017 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7018 Jim_IncrRefCount(stack
[stacklen
]);
7022 /* --- Double --- */
7023 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
||
7024 Jim_GetDouble(interp
, B
, &dB
) != JIM_OK
) {
7026 /* Hmmm! For compatibility, maybe convert != and == into ne and eq */
7027 if (expr
->opcode
[i
] == JIM_EXPROP_NUMNE
) {
7028 opcode
= JIM_EXPROP_STRNE
;
7029 goto retry_as_string
;
7031 else if (expr
->opcode
[i
] == JIM_EXPROP_NUMEQ
) {
7032 opcode
= JIM_EXPROP_STREQ
;
7033 goto retry_as_string
;
7035 Jim_DecrRefCount(interp
, A
);
7036 Jim_DecrRefCount(interp
, B
);
7040 Jim_DecrRefCount(interp
, A
);
7041 Jim_DecrRefCount(interp
, B
);
7042 switch(expr
->opcode
[i
]) {
7043 case JIM_EXPROP_ROTL
:
7044 case JIM_EXPROP_ROTR
:
7045 case JIM_EXPROP_LSHIFT
:
7046 case JIM_EXPROP_RSHIFT
:
7047 case JIM_EXPROP_BITAND
:
7048 case JIM_EXPROP_BITXOR
:
7049 case JIM_EXPROP_BITOR
:
7050 case JIM_EXPROP_MOD
:
7051 case JIM_EXPROP_POW
:
7052 Jim_SetResultString(interp
,
7053 "Got floating-point value where integer was expected", -1);
7057 case JIM_EXPROP_ADD
: dC
= dA
+dB
; break;
7058 case JIM_EXPROP_SUB
: dC
= dA
-dB
; break;
7059 case JIM_EXPROP_MUL
: dC
= dA
*dB
; break;
7060 case JIM_EXPROP_LT
: dC
= dA
<dB
; break;
7061 case JIM_EXPROP_GT
: dC
= dA
>dB
; break;
7062 case JIM_EXPROP_LTE
: dC
= dA
<=dB
; break;
7063 case JIM_EXPROP_GTE
: dC
= dA
>=dB
; break;
7064 case JIM_EXPROP_NUMEQ
: dC
= dA
==dB
; break;
7065 case JIM_EXPROP_NUMNE
: dC
= dA
!=dB
; break;
7066 case JIM_EXPROP_LOGICAND_LEFT
:
7074 case JIM_EXPROP_LOGICOR_LEFT
:
7082 case JIM_EXPROP_DIV
:
7083 if (dB
== 0) goto divbyzero
;
7087 dC
= 0; /* avoid gcc warning */
7090 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7091 Jim_IncrRefCount(stack
[stacklen
]);
7093 } else if (opcode
== JIM_EXPROP_STREQ
|| opcode
== JIM_EXPROP_STRNE
) {
7094 B
= stack
[--stacklen
];
7095 A
= stack
[--stacklen
];
7097 sA
= Jim_GetString(A
, &Alen
);
7098 sB
= Jim_GetString(B
, &Blen
);
7100 case JIM_EXPROP_STREQ
:
7101 if (Alen
== Blen
&& memcmp(sA
, sB
, Alen
) ==0)
7106 case JIM_EXPROP_STRNE
:
7107 if (Alen
!= Blen
|| memcmp(sA
, sB
, Alen
) != 0)
7113 wC
= 0; /* avoid gcc warning */
7116 Jim_DecrRefCount(interp
, A
);
7117 Jim_DecrRefCount(interp
, B
);
7118 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7119 Jim_IncrRefCount(stack
[stacklen
]);
7121 } else if (opcode
== JIM_EXPROP_NOT
||
7122 opcode
== JIM_EXPROP_BITNOT
||
7123 opcode
== JIM_EXPROP_LOGICAND_RIGHT
||
7124 opcode
== JIM_EXPROP_LOGICOR_RIGHT
) {
7125 /* Note that there isn't to increment the
7126 * refcount of objects. the references are moved
7127 * from stack to A and B. */
7128 A
= stack
[--stacklen
];
7130 /* --- Integer --- */
7131 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
7132 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
) {
7133 goto trydouble_unary
;
7135 Jim_DecrRefCount(interp
, A
);
7136 switch(expr
->opcode
[i
]) {
7137 case JIM_EXPROP_NOT
: wC
= !wA
; break;
7138 case JIM_EXPROP_BITNOT
: wC
= ~wA
; break;
7139 case JIM_EXPROP_LOGICAND_RIGHT
:
7140 case JIM_EXPROP_LOGICOR_RIGHT
: wC
= (wA
!= 0); break;
7142 wC
= 0; /* avoid gcc warning */
7145 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7146 Jim_IncrRefCount(stack
[stacklen
]);
7150 /* --- Double --- */
7151 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
) {
7152 Jim_DecrRefCount(interp
, A
);
7156 Jim_DecrRefCount(interp
, A
);
7157 switch(expr
->opcode
[i
]) {
7158 case JIM_EXPROP_NOT
: dC
= !dA
; break;
7159 case JIM_EXPROP_LOGICAND_RIGHT
:
7160 case JIM_EXPROP_LOGICOR_RIGHT
: dC
= (dA
!= 0); break;
7161 case JIM_EXPROP_BITNOT
:
7162 Jim_SetResultString(interp
,
7163 "Got floating-point value where integer was expected", -1);
7168 dC
= 0; /* avoid gcc warning */
7171 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7172 Jim_IncrRefCount(stack
[stacklen
]);
7175 Jim_Panic(interp
,"Unknown opcode in Jim_EvalExpression");
7179 /* There is no need to decerement the inUse field because
7180 * this reference is transfered back into the exprObjPtr. */
7181 Jim_FreeIntRep(interp
, exprObjPtr
);
7182 exprObjPtr
->typePtr
= &exprObjType
;
7183 Jim_SetIntRepPtr(exprObjPtr
, expr
);
7184 Jim_DecrRefCount(interp
, exprObjPtr
);
7186 *exprResultPtrPtr
= stack
[0];
7187 Jim_IncrRefCount(stack
[0]);
7188 errRetCode
= JIM_OK
;
7190 for (i
= 0; i
< stacklen
; i
++) {
7191 Jim_DecrRefCount(interp
, stack
[i
]);
7193 if (stack
!= staticStack
)
7198 Jim_SetResultString(interp
, "Division by zero", -1);
7202 int Jim_GetBoolFromExpr(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
, int *boolPtr
)
7207 Jim_Obj
*exprResultPtr
;
7209 retcode
= Jim_EvalExpression(interp
, exprObjPtr
, &exprResultPtr
);
7210 if (retcode
!= JIM_OK
)
7212 if (JimGetWideNoErr(interp
, exprResultPtr
, &wideValue
) != JIM_OK
) {
7213 if (Jim_GetDouble(interp
, exprResultPtr
, &doubleValue
) != JIM_OK
)
7215 Jim_DecrRefCount(interp
, exprResultPtr
);
7218 Jim_DecrRefCount(interp
, exprResultPtr
);
7219 *boolPtr
= doubleValue
!= 0;
7223 Jim_DecrRefCount(interp
, exprResultPtr
);
7224 *boolPtr
= wideValue
!= 0;
7228 /* -----------------------------------------------------------------------------
7229 * ScanFormat String Object
7230 * ---------------------------------------------------------------------------*/
7232 /* This Jim_Obj will held a parsed representation of a format string passed to
7233 * the Jim_ScanString command. For error diagnostics, the scanformat string has
7234 * to be parsed in its entirely first and then, if correct, can be used for
7235 * scanning. To avoid endless re-parsing, the parsed representation will be
7236 * stored in an internal representation and re-used for performance reason. */
7238 /* A ScanFmtPartDescr will held the information of /one/ part of the whole
7239 * scanformat string. This part will later be used to extract information
7240 * out from the string to be parsed by Jim_ScanString */
7242 typedef struct ScanFmtPartDescr
{
7243 char type
; /* Type of conversion (e.g. c, d, f) */
7244 char modifier
; /* Modify type (e.g. l - long, h - short */
7245 size_t width
; /* Maximal width of input to be converted */
7246 int pos
; /* -1 - no assign, 0 - natural pos, >0 - XPG3 pos */
7247 char *arg
; /* Specification of a CHARSET conversion */
7248 char *prefix
; /* Prefix to be scanned literally before conversion */
7251 /* The ScanFmtStringObj will held the internal representation of a scanformat
7252 * string parsed and separated in part descriptions. Furthermore it contains
7253 * the original string representation of the scanformat string to allow for
7254 * fast update of the Jim_Obj's string representation part.
7256 * As add-on the internal object representation add some scratch pad area
7257 * for usage by Jim_ScanString to avoid endless allocating and freeing of
7258 * memory for purpose of string scanning.
7260 * The error member points to a static allocated string in case of a mal-
7261 * formed scanformat string or it contains '0' (NULL) in case of a valid
7262 * parse representation.
7264 * The whole memory of the internal representation is allocated as a single
7265 * area of memory that will be internally separated. So freeing and duplicating
7266 * of such an object is cheap */
7268 typedef struct ScanFmtStringObj
{
7269 jim_wide size
; /* Size of internal repr in bytes */
7270 char *stringRep
; /* Original string representation */
7271 size_t count
; /* Number of ScanFmtPartDescr contained */
7272 size_t convCount
; /* Number of conversions that will assign */
7273 size_t maxPos
; /* Max position index if XPG3 is used */
7274 const char *error
; /* Ptr to error text (NULL if no error */
7275 char *scratch
; /* Some scratch pad used by Jim_ScanString */
7276 ScanFmtPartDescr descr
[1]; /* The vector of partial descriptions */
7280 static void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
7281 static void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
7282 static void UpdateStringOfScanFmt(Jim_Obj
*objPtr
);
7284 static Jim_ObjType scanFmtStringObjType
= {
7286 FreeScanFmtInternalRep
,
7287 DupScanFmtInternalRep
,
7288 UpdateStringOfScanFmt
,
7292 void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7294 JIM_NOTUSED(interp
);
7295 Jim_Free((char*)objPtr
->internalRep
.ptr
);
7296 objPtr
->internalRep
.ptr
= 0;
7299 void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
7301 size_t size
= (size_t)((ScanFmtStringObj
*)srcPtr
->internalRep
.ptr
)->size
;
7302 ScanFmtStringObj
*newVec
= (ScanFmtStringObj
*)Jim_Alloc(size
);
7304 JIM_NOTUSED(interp
);
7305 memcpy(newVec
, srcPtr
->internalRep
.ptr
, size
);
7306 dupPtr
->internalRep
.ptr
= newVec
;
7307 dupPtr
->typePtr
= &scanFmtStringObjType
;
7310 void UpdateStringOfScanFmt(Jim_Obj
*objPtr
)
7312 char *bytes
= ((ScanFmtStringObj
*)objPtr
->internalRep
.ptr
)->stringRep
;
7314 objPtr
->bytes
= Jim_StrDup(bytes
);
7315 objPtr
->length
= strlen(bytes
);
7318 /* SetScanFmtFromAny will parse a given string and create the internal
7319 * representation of the format specification. In case of an error
7320 * the error data member of the internal representation will be set
7321 * to an descriptive error text and the function will be left with
7322 * JIM_ERR to indicate unsucessful parsing (aka. malformed scanformat
7325 static int SetScanFmtFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7327 ScanFmtStringObj
*fmtObj
;
7329 int maxCount
, i
, approxSize
, lastPos
= -1;
7330 const char *fmt
= objPtr
->bytes
;
7331 int maxFmtLen
= objPtr
->length
;
7332 const char *fmtEnd
= fmt
+ maxFmtLen
;
7335 Jim_FreeIntRep(interp
, objPtr
);
7336 /* Count how many conversions could take place maximally */
7337 for (i
=0, maxCount
=0; i
< maxFmtLen
; ++i
)
7340 /* Calculate an approximation of the memory necessary */
7341 approxSize
= sizeof(ScanFmtStringObj
) /* Size of the container */
7342 + (maxCount
+ 1) * sizeof(ScanFmtPartDescr
) /* Size of all partials */
7343 + maxFmtLen
* sizeof(char) + 3 + 1 /* Scratch + "%n" + '\0' */
7344 + maxFmtLen
* sizeof(char) + 1 /* Original stringrep */
7345 + maxFmtLen
* sizeof(char) /* Arg for CHARSETs */
7346 + (maxCount
+1) * sizeof(char) /* '\0' for every partial */
7347 + 1; /* safety byte */
7348 fmtObj
= (ScanFmtStringObj
*)Jim_Alloc(approxSize
);
7349 memset(fmtObj
, 0, approxSize
);
7350 fmtObj
->size
= approxSize
;
7352 fmtObj
->scratch
= (char*)&fmtObj
->descr
[maxCount
+1];
7353 fmtObj
->stringRep
= fmtObj
->scratch
+ maxFmtLen
+ 3 + 1;
7354 memcpy(fmtObj
->stringRep
, fmt
, maxFmtLen
);
7355 buffer
= fmtObj
->stringRep
+ maxFmtLen
+ 1;
7356 objPtr
->internalRep
.ptr
= fmtObj
;
7357 objPtr
->typePtr
= &scanFmtStringObjType
;
7358 for (i
=0, curr
=0; fmt
< fmtEnd
; ++fmt
) {
7360 ScanFmtPartDescr
*descr
= &fmtObj
->descr
[curr
];
7362 descr
->width
= 0; /* Assume width unspecified */
7363 /* Overread and store any "literal" prefix */
7364 if (*fmt
!= '%' || fmt
[1] == '%') {
7366 descr
->prefix
= &buffer
[i
];
7367 for (; fmt
< fmtEnd
; ++fmt
) {
7369 if (fmt
[1] != '%') break;
7376 /* Skip the conversion introducing '%' sign */
7378 /* End reached due to non-conversion literal only? */
7381 descr
->pos
= 0; /* Assume "natural" positioning */
7383 descr
->pos
= -1; /* Okay, conversion will not be assigned */
7386 fmtObj
->convCount
++; /* Otherwise count as assign-conversion */
7387 /* Check if next token is a number (could be width or pos */
7388 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7390 /* Was the number a XPG3 position specifier? */
7391 if (descr
->pos
!= -1 && *fmt
== '$') {
7396 /* Look if "natural" postioning and XPG3 one was mixed */
7397 if ((lastPos
== 0 && descr
->pos
> 0)
7398 || (lastPos
> 0 && descr
->pos
== 0)) {
7399 fmtObj
->error
= "cannot mix \"%\" and \"%n$\" conversion specifiers";
7402 /* Look if this position was already used */
7403 for (prev
=0; prev
< curr
; ++prev
) {
7404 if (fmtObj
->descr
[prev
].pos
== -1) continue;
7405 if (fmtObj
->descr
[prev
].pos
== descr
->pos
) {
7406 fmtObj
->error
= "same \"%n$\" conversion specifier "
7407 "used more than once";
7411 /* Try to find a width after the XPG3 specifier */
7412 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7413 descr
->width
= width
;
7416 if (descr
->pos
> 0 && (size_t)descr
->pos
> fmtObj
->maxPos
)
7417 fmtObj
->maxPos
= descr
->pos
;
7419 /* Number was not a XPG3, so it has to be a width */
7420 descr
->width
= width
;
7423 /* If positioning mode was undetermined yet, fix this */
7425 lastPos
= descr
->pos
;
7426 /* Handle CHARSET conversion type ... */
7428 int swapped
= 1, beg
= i
, end
, j
;
7430 descr
->arg
= &buffer
[i
];
7432 if (*fmt
== '^') buffer
[i
++] = *fmt
++;
7433 if (*fmt
== ']') buffer
[i
++] = *fmt
++;
7434 while (*fmt
&& *fmt
!= ']') buffer
[i
++] = *fmt
++;
7436 fmtObj
->error
= "unmatched [ in format string";
7441 /* In case a range fence was given "backwards", swap it */
7444 for (j
=beg
+1; j
< end
-1; ++j
) {
7445 if (buffer
[j
] == '-' && buffer
[j
-1] > buffer
[j
+1]) {
7446 char tmp
= buffer
[j
-1];
7447 buffer
[j
-1] = buffer
[j
+1];
7454 /* Remember any valid modifier if given */
7455 if (strchr("hlL", *fmt
) != 0)
7456 descr
->modifier
= tolower((int)*fmt
++);
7459 if (strchr("efgcsndoxui", *fmt
) == 0) {
7460 fmtObj
->error
= "bad scan conversion character";
7462 } else if (*fmt
== 'c' && descr
->width
!= 0) {
7463 fmtObj
->error
= "field width may not be specified in %c "
7466 } else if (*fmt
== 'u' && descr
->modifier
== 'l') {
7467 fmtObj
->error
= "unsigned wide not supported";
7474 if (fmtObj
->convCount
== 0) {
7475 fmtObj
->error
= "no any conversion specifier given";
7481 /* Some accessor macros to allow lowlevel access to fields of internal repr */
7483 #define FormatGetCnvCount(_fo_) \
7484 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->convCount
7485 #define FormatGetMaxPos(_fo_) \
7486 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->maxPos
7487 #define FormatGetError(_fo_) \
7488 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->error
7490 /* Some Bit testing/setting/cleaning routines. For now only used in handling
7491 * charsets ([a-z123]) within scanning. Later on perhaps a base for a
7492 * bitvector implementation in Jim? */
7494 static int JimTestBit(const char *bitvec
, char ch
)
7496 div_t pos
= div(ch
-1, 8);
7497 return bitvec
[pos
.quot
] & (1 << pos
.rem
);
7500 static void JimSetBit(char *bitvec
, char ch
)
7502 div_t pos
= div(ch
-1, 8);
7503 bitvec
[pos
.quot
] |= (1 << pos
.rem
);
7506 #if 0 /* currently not used */
7507 static void JimClearBit(char *bitvec
, char ch
)
7509 div_t pos
= div(ch
-1, 8);
7510 bitvec
[pos
.quot
] &= ~(1 << pos
.rem
);
7514 /* JimScanAString is used to scan an unspecified string that ends with
7515 * next WS, or a string that is specified via a charset. The charset
7516 * is currently implemented in a way to only allow for usage with
7517 * ASCII. Whenever we will switch to UNICODE, another idea has to
7520 * FIXME: Works only with ASCII */
7523 JimScanAString(Jim_Interp
*interp
, const char *sdescr
, const char *str
)
7527 char charset
[256/8+1]; /* A Charset may contain max 256 chars */
7528 char *buffer
= Jim_Alloc(strlen(str
)+1), *anchor
= buffer
;
7530 /* First init charset to nothing or all, depending if a specified
7531 * or an unspecified string has to be parsed */
7532 memset(charset
, (sdescr
? 0 : 255), sizeof(charset
));
7534 /* There was a set description given, that means we are parsing
7535 * a specified string. So we have to build a corresponding
7536 * charset reflecting the description */
7538 /* Should the set be negated at the end? */
7539 if (*sdescr
== '^') {
7543 /* Here '-' is meant literally and not to define a range */
7544 if (*sdescr
== '-') {
7545 JimSetBit(charset
, '-');
7549 if (sdescr
[1] == '-' && sdescr
[2] != 0) {
7550 /* Handle range definitions */
7552 for (i
=sdescr
[0]; i
<= sdescr
[2]; ++i
)
7553 JimSetBit(charset
, (char)i
);
7556 /* Handle verbatim character definitions */
7557 JimSetBit(charset
, *sdescr
++);
7560 /* Negate the charset if there was a NOT given */
7561 for (i
=0; notFlag
&& i
< sizeof(charset
); ++i
)
7562 charset
[i
] = ~charset
[i
];
7564 /* And after all the mess above, the real work begin ... */
7565 while (str
&& *str
) {
7566 if (!sdescr
&& isspace((int)*str
))
7567 break; /* EOS via WS if unspecified */
7568 if (JimTestBit(charset
, *str
)) *buffer
++ = *str
++;
7569 else break; /* EOS via mismatch if specified scanning */
7571 *buffer
= 0; /* Close the string properly ... */
7572 result
= Jim_NewStringObj(interp
, anchor
, -1);
7573 Jim_Free(anchor
); /* ... and free it afer usage */
7577 /* ScanOneEntry will scan one entry out of the string passed as argument.
7578 * It use the sscanf() function for this task. After extracting and
7579 * converting of the value, the count of scanned characters will be
7580 * returned of -1 in case of no conversion tool place and string was
7581 * already scanned thru */
7583 static int ScanOneEntry(Jim_Interp
*interp
, const char *str
, long pos
,
7584 ScanFmtStringObj
*fmtObj
, long index
, Jim_Obj
**valObjPtr
)
7586 # define MAX_SIZE (sizeof(jim_wide) > sizeof(double) \
7587 ? sizeof(jim_wide) \
7589 char buffer
[MAX_SIZE
];
7590 char *value
= buffer
;
7592 const ScanFmtPartDescr
*descr
= &fmtObj
->descr
[index
];
7593 size_t sLen
= strlen(&str
[pos
]), scanned
= 0;
7594 size_t anchor
= pos
;
7597 /* First pessimiticly assume, we will not scan anything :-) */
7599 if (descr
->prefix
) {
7600 /* There was a prefix given before the conversion, skip it and adjust
7601 * the string-to-be-parsed accordingly */
7602 for (i
=0; str
[pos
] && descr
->prefix
[i
]; ++i
) {
7603 /* If prefix require, skip WS */
7604 if (isspace((int)descr
->prefix
[i
]))
7605 while (str
[pos
] && isspace((int)str
[pos
])) ++pos
;
7606 else if (descr
->prefix
[i
] != str
[pos
])
7607 break; /* Prefix do not match here, leave the loop */
7609 ++pos
; /* Prefix matched so far, next round */
7612 return -1; /* All of str consumed: EOF condition */
7613 else if (descr
->prefix
[i
] != 0)
7614 return 0; /* Not whole prefix consumed, no conversion possible */
7616 /* For all but following conversion, skip leading WS */
7617 if (descr
->type
!= 'c' && descr
->type
!= '[' && descr
->type
!= 'n')
7618 while (isspace((int)str
[pos
])) ++pos
;
7619 /* Determine how much skipped/scanned so far */
7620 scanned
= pos
- anchor
;
7621 if (descr
->type
== 'n') {
7622 /* Return pseudo conversion means: how much scanned so far? */
7623 *valObjPtr
= Jim_NewIntObj(interp
, anchor
+ scanned
);
7624 } else if (str
[pos
] == 0) {
7625 /* Cannot scan anything, as str is totally consumed */
7628 /* Processing of conversions follows ... */
7629 if (descr
->width
> 0) {
7630 /* Do not try to scan as fas as possible but only the given width.
7631 * To ensure this, we copy the part that should be scanned. */
7632 size_t tLen
= descr
->width
> sLen
? sLen
: descr
->width
;
7633 tok
= Jim_StrDupLen(&str
[pos
], tLen
);
7635 /* As no width was given, simply refer to the original string */
7638 switch (descr
->type
) {
7640 *valObjPtr
= Jim_NewIntObj(interp
, *tok
);
7643 case 'd': case 'o': case 'x': case 'u': case 'i': {
7644 char *endp
; /* Position where the number finished */
7645 int base
= descr
->type
== 'o' ? 8
7646 : descr
->type
== 'x' ? 16
7647 : descr
->type
== 'i' ? 0
7651 /* Try to scan a number with the given base */
7652 if (descr
->modifier
== 'l')
7653 #ifdef HAVE_LONG_LONG
7654 *(jim_wide
*)value
= JimStrtoll(tok
, &endp
, base
);
7656 *(jim_wide
*)value
= strtol(tok
, &endp
, base
);
7659 if (descr
->type
== 'u')
7660 *(long*)value
= strtoul(tok
, &endp
, base
);
7662 *(long*)value
= strtol(tok
, &endp
, base
);
7663 /* If scanning failed, and base was undetermined, simply
7664 * put it to 10 and try once more. This should catch the
7665 * case where %i begin to parse a number prefix (e.g.
7666 * '0x' but no further digits follows. This will be
7667 * handled as a ZERO followed by a char 'x' by Tcl */
7668 if (endp
== tok
&& base
== 0) base
= 10;
7672 /* There was some number sucessfully scanned! */
7673 if (descr
->modifier
== 'l')
7674 *valObjPtr
= Jim_NewIntObj(interp
, *(jim_wide
*)value
);
7676 *valObjPtr
= Jim_NewIntObj(interp
, *(long*)value
);
7677 /* Adjust the number-of-chars scanned so far */
7678 scanned
+= endp
- tok
;
7680 /* Nothing was scanned. We have to determine if this
7681 * happened due to e.g. prefix mismatch or input str
7683 scanned
= *tok
? 0 : -1;
7687 case 's': case '[': {
7688 *valObjPtr
= JimScanAString(interp
, descr
->arg
, tok
);
7689 scanned
+= Jim_Length(*valObjPtr
);
7692 case 'e': case 'f': case 'g': {
7695 *(double*)value
= strtod(tok
, &endp
);
7697 /* There was some number sucessfully scanned! */
7698 *valObjPtr
= Jim_NewDoubleObj(interp
, *(double*)value
);
7699 /* Adjust the number-of-chars scanned so far */
7700 scanned
+= endp
- tok
;
7702 /* Nothing was scanned. We have to determine if this
7703 * happened due to e.g. prefix mismatch or input str
7705 scanned
= *tok
? 0 : -1;
7710 /* If a substring was allocated (due to pre-defined width) do not
7711 * forget to free it */
7712 if (tok
!= &str
[pos
])
7713 Jim_Free((char*)tok
);
7718 /* Jim_ScanString is the workhorse of string scanning. It will scan a given
7719 * string and returns all converted (and not ignored) values in a list back
7720 * to the caller. If an error occured, a NULL pointer will be returned */
7722 Jim_Obj
*Jim_ScanString(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
,
7723 Jim_Obj
*fmtObjPtr
, int flags
)
7727 const char *str
= Jim_GetString(strObjPtr
, 0);
7728 Jim_Obj
*resultList
= 0;
7729 Jim_Obj
**resultVec
;
7731 Jim_Obj
*emptyStr
= 0;
7732 ScanFmtStringObj
*fmtObj
;
7734 /* If format specification is not an object, convert it! */
7735 if (fmtObjPtr
->typePtr
!= &scanFmtStringObjType
)
7736 SetScanFmtFromAny(interp
, fmtObjPtr
);
7737 fmtObj
= (ScanFmtStringObj
*)fmtObjPtr
->internalRep
.ptr
;
7738 /* Check if format specification was valid */
7739 if (fmtObj
->error
!= 0) {
7740 if (flags
& JIM_ERRMSG
)
7741 Jim_SetResultString(interp
, fmtObj
->error
, -1);
7744 /* Allocate a new "shared" empty string for all unassigned conversions */
7745 emptyStr
= Jim_NewEmptyStringObj(interp
);
7746 Jim_IncrRefCount(emptyStr
);
7747 /* Create a list and fill it with empty strings up to max specified XPG3 */
7748 resultList
= Jim_NewListObj(interp
, 0, 0);
7749 if (fmtObj
->maxPos
> 0) {
7750 for (i
=0; i
< fmtObj
->maxPos
; ++i
)
7751 Jim_ListAppendElement(interp
, resultList
, emptyStr
);
7752 JimListGetElements(interp
, resultList
, &resultc
, &resultVec
);
7754 /* Now handle every partial format description */
7755 for (i
=0, pos
=0; i
< fmtObj
->count
; ++i
) {
7756 ScanFmtPartDescr
*descr
= &(fmtObj
->descr
[i
]);
7758 /* Only last type may be "literal" w/o conversion - skip it! */
7759 if (descr
->type
== 0) continue;
7760 /* As long as any conversion could be done, we will proceed */
7762 scanned
= ScanOneEntry(interp
, str
, pos
, fmtObj
, i
, &value
);
7763 /* In case our first try results in EOF, we will leave */
7764 if (scanned
== -1 && i
== 0)
7766 /* Advance next pos-to-be-scanned for the amount scanned already */
7768 /* value == 0 means no conversion took place so take empty string */
7770 value
= Jim_NewEmptyStringObj(interp
);
7771 /* If value is a non-assignable one, skip it */
7772 if (descr
->pos
== -1) {
7773 Jim_FreeNewObj(interp
, value
);
7774 } else if (descr
->pos
== 0)
7775 /* Otherwise append it to the result list if no XPG3 was given */
7776 Jim_ListAppendElement(interp
, resultList
, value
);
7777 else if (resultVec
[descr
->pos
-1] == emptyStr
) {
7778 /* But due to given XPG3, put the value into the corr. slot */
7779 Jim_DecrRefCount(interp
, resultVec
[descr
->pos
-1]);
7780 Jim_IncrRefCount(value
);
7781 resultVec
[descr
->pos
-1] = value
;
7783 /* Otherwise, the slot was already used - free obj and ERROR */
7784 Jim_FreeNewObj(interp
, value
);
7788 Jim_DecrRefCount(interp
, emptyStr
);
7791 Jim_DecrRefCount(interp
, emptyStr
);
7792 Jim_FreeNewObj(interp
, resultList
);
7793 return (Jim_Obj
*)EOF
;
7795 Jim_DecrRefCount(interp
, emptyStr
);
7796 Jim_FreeNewObj(interp
, resultList
);
7800 /* -----------------------------------------------------------------------------
7801 * Pseudo Random Number Generation
7802 * ---------------------------------------------------------------------------*/
7803 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7806 /* Initialize the sbox with the numbers from 0 to 255 */
7807 static void JimPrngInit(Jim_Interp
*interp
)
7810 unsigned int seed
[256];
7812 interp
->prngState
= Jim_Alloc(sizeof(Jim_PrngState
));
7813 for (i
= 0; i
< 256; i
++)
7814 seed
[i
] = (rand() ^ time(NULL
) ^ clock());
7815 JimPrngSeed(interp
, (unsigned char*) seed
, sizeof(int)*256);
7818 /* Generates N bytes of random data */
7819 static void JimRandomBytes(Jim_Interp
*interp
, void *dest
, unsigned int len
)
7821 Jim_PrngState
*prng
;
7822 unsigned char *destByte
= (unsigned char*) dest
;
7823 unsigned int si
, sj
, x
;
7825 /* initialization, only needed the first time */
7826 if (interp
->prngState
== NULL
)
7827 JimPrngInit(interp
);
7828 prng
= interp
->prngState
;
7829 /* generates 'len' bytes of pseudo-random numbers */
7830 for (x
= 0; x
< len
; x
++) {
7831 prng
->i
= (prng
->i
+1) & 0xff;
7832 si
= prng
->sbox
[prng
->i
];
7833 prng
->j
= (prng
->j
+ si
) & 0xff;
7834 sj
= prng
->sbox
[prng
->j
];
7835 prng
->sbox
[prng
->i
] = sj
;
7836 prng
->sbox
[prng
->j
] = si
;
7837 *destByte
++ = prng
->sbox
[(si
+sj
)&0xff];
7841 /* Re-seed the generator with user-provided bytes */
7842 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7846 unsigned char buf
[256];
7847 Jim_PrngState
*prng
;
7849 /* initialization, only needed the first time */
7850 if (interp
->prngState
== NULL
)
7851 JimPrngInit(interp
);
7852 prng
= interp
->prngState
;
7854 /* Set the sbox[i] with i */
7855 for (i
= 0; i
< 256; i
++)
7857 /* Now use the seed to perform a random permutation of the sbox */
7858 for (i
= 0; i
< seedLen
; i
++) {
7861 t
= prng
->sbox
[i
&0xFF];
7862 prng
->sbox
[i
&0xFF] = prng
->sbox
[seed
[i
]];
7863 prng
->sbox
[seed
[i
]] = t
;
7865 prng
->i
= prng
->j
= 0;
7866 /* discard the first 256 bytes of stream. */
7867 JimRandomBytes(interp
, buf
, 256);
7870 /* -----------------------------------------------------------------------------
7871 * Dynamic libraries support (WIN32 not supported)
7872 * ---------------------------------------------------------------------------*/
7877 void * dlopen(const char *path
, int mode
)
7881 return (void *)LoadLibraryA(path
);
7883 int dlclose(void *handle
)
7885 FreeLibrary((HANDLE
)handle
);
7888 void *dlsym(void *handle
, const char *symbol
)
7890 return GetProcAddress((HMODULE
)handle
, symbol
);
7892 static char win32_dlerror_string
[121];
7893 const char *dlerror(void)
7895 FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM
, NULL
, GetLastError(),
7896 LANG_NEUTRAL
, win32_dlerror_string
, 120, NULL
);
7897 return win32_dlerror_string
;
7901 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7903 Jim_Obj
*libPathObjPtr
;
7906 int (*onload
)(Jim_Interp
*interp
);
7908 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
7909 if (libPathObjPtr
== NULL
) {
7911 libPathObjPtr
= NULL
;
7913 Jim_IncrRefCount(libPathObjPtr
);
7914 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
7917 for (i
= -1; i
< prefixc
; i
++) {
7919 handle
= dlopen(pathName
, RTLD_LAZY
);
7922 char buf
[JIM_PATH_LEN
];
7925 Jim_Obj
*prefixObjPtr
;
7928 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
7929 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
7931 prefix
= Jim_GetString(prefixObjPtr
, &prefixlen
);
7932 if (prefixlen
+strlen(pathName
)+1 >= JIM_PATH_LEN
)
7934 if (*pathName
== '/') {
7935 strcpy(buf
, pathName
);
7937 else if (prefixlen
&& prefix
[prefixlen
-1] == '/')
7938 sprintf(buf
, "%s%s", prefix
, pathName
);
7940 sprintf(buf
, "%s/%s", prefix
, pathName
);
7941 fp
= fopen(buf
, "r");
7945 handle
= dlopen(buf
, RTLD_LAZY
);
7947 if (handle
== NULL
) {
7948 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7949 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7950 "error loading extension \"", pathName
,
7951 "\": ", dlerror(), NULL
);
7956 if ((onload
= dlsym(handle
, "Jim_OnLoad")) == NULL
) {
7957 Jim_SetResultString(interp
,
7958 "No Jim_OnLoad symbol found on extension", -1);
7961 if (onload(interp
) == JIM_ERR
) {
7965 Jim_SetEmptyResult(interp
);
7966 if (libPathObjPtr
!= NULL
)
7967 Jim_DecrRefCount(interp
, libPathObjPtr
);
7971 if (libPathObjPtr
!= NULL
)
7972 Jim_DecrRefCount(interp
, libPathObjPtr
);
7975 #else /* JIM_DYNLIB */
7976 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7978 JIM_NOTUSED(interp
);
7979 JIM_NOTUSED(pathName
);
7981 Jim_SetResultString(interp
, "the Jim binary has no support for [load]", -1);
7984 #endif/* JIM_DYNLIB */
7986 /* -----------------------------------------------------------------------------
7988 * ---------------------------------------------------------------------------*/
7990 #define JIM_PKG_ANY_VERSION -1
7992 /* Convert a string of the type "1.2" into an integer.
7993 * MAJOR.MINOR is converted as MAJOR*100+MINOR, so "1.2" is converted
7994 * to the integer with value 102 */
7995 static int JimPackageVersionToInt(Jim_Interp
*interp
, const char *v
,
7996 int *intPtr
, int flags
)
7999 jim_wide major
, minor
;
8000 char *majorStr
, *minorStr
, *p
;
8003 *intPtr
= JIM_PKG_ANY_VERSION
;
8007 copy
= Jim_StrDup(v
);
8008 p
= strchr(copy
, '.');
8009 if (p
== NULL
) goto badfmt
;
8014 if (Jim_StringToWide(majorStr
, &major
, 10) != JIM_OK
||
8015 Jim_StringToWide(minorStr
, &minor
, 10) != JIM_OK
)
8017 *intPtr
= (int)(major
*100+minor
);
8023 if (flags
& JIM_ERRMSG
) {
8024 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8025 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8026 "invalid package version '", v
, "'", NULL
);
8031 #define JIM_MATCHVER_EXACT (1<<JIM_PRIV_FLAG_SHIFT)
8032 static int JimPackageMatchVersion(int needed
, int actual
, int flags
)
8034 if (needed
== JIM_PKG_ANY_VERSION
) return 1;
8035 if (flags
& JIM_MATCHVER_EXACT
) {
8036 return needed
== actual
;
8038 return needed
/100 == actual
/100 && (needed
<= actual
);
8042 int Jim_PackageProvide(Jim_Interp
*interp
, const char *name
, const char *ver
,
8046 /* Check if the version format is ok */
8047 if (JimPackageVersionToInt(interp
, ver
, &intVersion
, JIM_ERRMSG
) != JIM_OK
)
8049 /* If the package was already provided returns an error. */
8050 if (Jim_FindHashEntry(&interp
->packages
, name
) != NULL
) {
8051 if (flags
& JIM_ERRMSG
) {
8052 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8053 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8054 "package '", name
, "' was already provided", NULL
);
8058 Jim_AddHashEntry(&interp
->packages
, name
, (char*) ver
);
8065 # include <sys/types.h>
8066 # include <dirent.h>
8069 /* Posix dirent.h compatiblity layer for WIN32.
8070 * Copyright Kevlin Henney, 1997, 2003. All rights reserved.
8071 * Copyright Salvatore Sanfilippo ,2005.
8073 * Permission to use, copy, modify, and distribute this software and its
8074 * documentation for any purpose is hereby granted without fee, provided
8075 * that this copyright and permissions notice appear in all copies and
8078 * This software is supplied "as is" without express or implied warranty.
8079 * This software was modified by Salvatore Sanfilippo for the Jim Interpreter.
8086 typedef struct DIR {
8087 long handle
; /* -1 for failed rewind */
8088 struct _finddata_t info
;
8089 struct dirent result
; /* d_name null iff first time */
8090 char *name
; /* null-terminated char string */
8093 DIR *opendir(const char *name
)
8097 if(name
&& name
[0]) {
8098 size_t base_length
= strlen(name
);
8099 const char *all
= /* search pattern must end with suitable wildcard */
8100 strchr("/\\", name
[base_length
- 1]) ? "*" : "/*";
8102 if((dir
= (DIR *) Jim_Alloc(sizeof *dir
)) != 0 &&
8103 (dir
->name
= (char *) Jim_Alloc(base_length
+ strlen(all
) + 1)) != 0)
8105 strcat(strcpy(dir
->name
, name
), all
);
8107 if((dir
->handle
= (long) _findfirst(dir
->name
, &dir
->info
)) != -1)
8108 dir
->result
.d_name
= 0;
8109 else { /* rollback */
8110 Jim_Free(dir
->name
);
8114 } else { /* rollback */
8125 int closedir(DIR *dir
)
8130 if(dir
->handle
!= -1)
8131 result
= _findclose(dir
->handle
);
8132 Jim_Free(dir
->name
);
8135 if(result
== -1) /* map all errors to EBADF */
8140 struct dirent
*readdir(DIR *dir
)
8142 struct dirent
*result
= 0;
8144 if(dir
&& dir
->handle
!= -1) {
8145 if(!dir
->result
.d_name
|| _findnext(dir
->handle
, &dir
->info
) != -1) {
8146 result
= &dir
->result
;
8147 result
->d_name
= dir
->info
.name
;
8157 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8158 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8160 int bestVer
= -1, i
;
8161 int pkgNameLen
= strlen(pkgName
);
8162 char *bestPackage
= NULL
;
8165 for (i
= 0; i
< prefixc
; i
++) {
8167 char buf
[JIM_PATH_LEN
];
8170 if (prefixes
[i
] == NULL
) continue;
8171 strncpy(buf
, prefixes
[i
], JIM_PATH_LEN
);
8172 buf
[JIM_PATH_LEN
-1] = '\0';
8173 prefixLen
= strlen(buf
);
8174 if (prefixLen
&& buf
[prefixLen
-1] == '/')
8175 buf
[prefixLen
-1] = '\0';
8177 if ((dir
= opendir(buf
)) == NULL
) continue;
8178 while ((de
= readdir(dir
)) != NULL
) {
8179 char *fileName
= de
->d_name
;
8180 int fileNameLen
= strlen(fileName
);
8182 if (strncmp(fileName
, "jim-", 4) == 0 &&
8183 strncmp(fileName
+4, pkgName
, pkgNameLen
) == 0 &&
8184 *(fileName
+4+pkgNameLen
) == '-' &&
8185 fileNameLen
> 4 && /* note that this is not really useful */
8186 (strncmp(fileName
+fileNameLen
-4, ".tcl", 4) == 0 ||
8187 strncmp(fileName
+fileNameLen
-4, ".dll", 4) == 0 ||
8188 strncmp(fileName
+fileNameLen
-3, ".so", 3) == 0))
8190 char ver
[6]; /* xx.yy<nulterm> */
8191 char *p
= strrchr(fileName
, '.');
8192 int verLen
, fileVer
;
8194 verLen
= p
- (fileName
+4+pkgNameLen
+1);
8195 if (verLen
< 3 || verLen
> 5) continue;
8196 memcpy(ver
, fileName
+4+pkgNameLen
+1, verLen
);
8198 if (JimPackageVersionToInt(interp
, ver
, &fileVer
, JIM_NONE
)
8199 != JIM_OK
) continue;
8200 if (JimPackageMatchVersion(pkgVer
, fileVer
, flags
) &&
8201 (bestVer
== -1 || bestVer
< fileVer
))
8204 Jim_Free(bestPackage
);
8205 bestPackage
= Jim_Alloc(strlen(buf
)+strlen(fileName
)+2);
8206 sprintf(bestPackage
, "%s/%s", buf
, fileName
);
8215 #else /* JIM_ANSIC */
8217 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8218 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8220 JIM_NOTUSED(interp
);
8221 JIM_NOTUSED(prefixes
);
8222 JIM_NOTUSED(prefixc
);
8223 JIM_NOTUSED(pkgName
);
8224 JIM_NOTUSED(pkgVer
);
8229 #endif /* JIM_ANSIC */
8231 /* Search for a suitable package under every dir specified by jim_libpath
8232 * and load it if possible. If a suitable package was loaded with success
8233 * JIM_OK is returned, otherwise JIM_ERR is returned. */
8234 static int JimLoadPackage(Jim_Interp
*interp
, const char *name
, int ver
,
8237 Jim_Obj
*libPathObjPtr
;
8238 char **prefixes
, *best
;
8239 int prefixc
, i
, retCode
= JIM_OK
;
8241 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
8242 if (libPathObjPtr
== NULL
) {
8244 libPathObjPtr
= NULL
;
8246 Jim_IncrRefCount(libPathObjPtr
);
8247 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
8250 prefixes
= Jim_Alloc(sizeof(char*)*prefixc
);
8251 for (i
= 0; i
< prefixc
; i
++) {
8252 Jim_Obj
*prefixObjPtr
;
8253 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
8254 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
8259 prefixes
[i
] = Jim_StrDup(Jim_GetString(prefixObjPtr
, NULL
));
8261 /* Scan every directory to find the "best" package. */
8262 best
= JimFindBestPackage(interp
, prefixes
, prefixc
, name
, ver
, flags
);
8264 char *p
= strrchr(best
, '.');
8265 /* Try to load/source it */
8266 if (p
&& strcmp(p
, ".tcl") == 0) {
8267 retCode
= Jim_EvalFile(interp
, best
);
8269 retCode
= Jim_LoadLibrary(interp
, best
);
8275 for (i
= 0; i
< prefixc
; i
++)
8276 Jim_Free(prefixes
[i
]);
8279 Jim_DecrRefCount(interp
, libPathObjPtr
);
8283 const char *Jim_PackageRequire(Jim_Interp
*interp
, const char *name
,
8284 const char *ver
, int flags
)
8289 /* Start with an empty error string */
8290 Jim_SetResultString(interp
, "", 0);
8292 if (JimPackageVersionToInt(interp
, ver
, &requiredVer
, JIM_ERRMSG
) != JIM_OK
)
8294 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8296 /* Try to load the package. */
8297 if (JimLoadPackage(interp
, name
, requiredVer
, flags
) == JIM_OK
) {
8298 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8304 /* No way... return an error. */
8305 if (flags
& JIM_ERRMSG
) {
8307 Jim_GetString(Jim_GetResult(interp
), &len
);
8308 Jim_AppendStrings(interp
, Jim_GetResult(interp
), len
? "\n" : "",
8309 "Can't find package '", name
, "'", NULL
);
8314 if (JimPackageVersionToInt(interp
, he
->val
, &actualVer
, JIM_ERRMSG
)
8319 /* Check if version matches. */
8320 if (JimPackageMatchVersion(requiredVer
, actualVer
, flags
) == 0) {
8321 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8322 "Package '", name
, "' already loaded, but with version ",
8330 /* -----------------------------------------------------------------------------
8332 * ---------------------------------------------------------------------------*/
8333 #define JIM_EVAL_SARGV_LEN 8 /* static arguments vector length */
8334 #define JIM_EVAL_SINTV_LEN 8 /* static interpolation vector length */
8336 static int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8337 Jim_Obj
*const *argv
);
8339 /* Handle calls to the [unknown] command */
8340 static int JimUnknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
8342 Jim_Obj
**v
, *sv
[JIM_EVAL_SARGV_LEN
];
8345 /* If JimUnknown() is recursively called (e.g. error in the unknown proc,
8348 if (interp
->unknown_called
) {
8352 /* If the [unknown] command does not exists returns
8354 if (Jim_GetCommand(interp
, interp
->unknown
, JIM_NONE
) == NULL
)
8357 /* The object interp->unknown just contains
8358 * the "unknown" string, it is used in order to
8359 * avoid to lookup the unknown command every time
8360 * but instread to cache the result. */
8361 if (argc
+1 <= JIM_EVAL_SARGV_LEN
)
8364 v
= Jim_Alloc(sizeof(Jim_Obj
*)*(argc
+1));
8365 /* Make a copy of the arguments vector, but shifted on
8366 * the right of one position. The command name of the
8367 * command will be instead the first argument of the
8368 * [unknonw] call. */
8369 memcpy(v
+1, argv
, sizeof(Jim_Obj
*)*argc
);
8370 v
[0] = interp
->unknown
;
8372 interp
->unknown_called
++;
8373 retCode
= Jim_EvalObjVector(interp
, argc
+1, v
);
8374 interp
->unknown_called
--;
8382 /* Eval the object vector 'objv' composed of 'objc' elements.
8383 * Every element is used as single argument.
8384 * Jim_EvalObj() will call this function every time its object
8385 * argument is of "list" type, with no string representation.
8387 * This is possible because the string representation of a
8388 * list object generated by the UpdateStringOfList is made
8389 * in a way that ensures that every list element is a different
8390 * command argument. */
8391 int Jim_EvalObjVector(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
8396 /* Incr refcount of arguments. */
8397 for (i
= 0; i
< objc
; i
++)
8398 Jim_IncrRefCount(objv
[i
]);
8399 /* Command lookup */
8400 cmdPtr
= Jim_GetCommand(interp
, objv
[0], JIM_ERRMSG
);
8401 if (cmdPtr
== NULL
) {
8402 retcode
= JimUnknown(interp
, objc
, objv
);
8404 /* Call it -- Make sure result is an empty object. */
8405 Jim_SetEmptyResult(interp
);
8406 if (cmdPtr
->cmdProc
) {
8407 interp
->cmdPrivData
= cmdPtr
->privData
;
8408 retcode
= cmdPtr
->cmdProc(interp
, objc
, objv
);
8409 if (retcode
== JIM_ERR_ADDSTACK
) {
8410 //JimAppendStackTrace(interp, "", script->fileName, token[i-argc*2].linenr);
8414 retcode
= JimCallProcedure(interp
, cmdPtr
, objc
, objv
);
8415 if (retcode
== JIM_ERR
) {
8416 JimAppendStackTrace(interp
,
8417 Jim_GetString(objv
[0], NULL
), "", 1);
8421 /* Decr refcount of arguments and return the retcode */
8422 for (i
= 0; i
< objc
; i
++)
8423 Jim_DecrRefCount(interp
, objv
[i
]);
8427 /* Interpolate the given tokens into a unique Jim_Obj returned by reference
8428 * via *objPtrPtr. This function is only called by Jim_EvalObj().
8429 * The returned object has refcount = 0. */
8430 int Jim_InterpolateTokens(Jim_Interp
*interp
, ScriptToken
*token
,
8431 int tokens
, Jim_Obj
**objPtrPtr
)
8433 int totlen
= 0, i
, retcode
;
8435 Jim_Obj
*sintv
[JIM_EVAL_SINTV_LEN
];
8439 if (tokens
<= JIM_EVAL_SINTV_LEN
)
8442 intv
= Jim_Alloc(sizeof(Jim_Obj
*)*
8444 /* Compute every token forming the argument
8445 * in the intv objects vector. */
8446 for (i
= 0; i
< tokens
; i
++) {
8447 switch(token
[i
].type
) {
8450 intv
[i
] = token
[i
].objPtr
;
8453 intv
[i
] = Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
8459 case JIM_TT_DICTSUGAR
:
8460 intv
[i
] = Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8467 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8468 if (retcode
!= JIM_OK
)
8470 intv
[i
] = Jim_GetResult(interp
);
8474 "default token type reached "
8475 "in Jim_InterpolateTokens().");
8478 Jim_IncrRefCount(intv
[i
]);
8479 /* Make sure there is a valid
8480 * string rep, and add the string
8481 * length to the total legnth. */
8482 Jim_GetString(intv
[i
], NULL
);
8483 totlen
+= intv
[i
]->length
;
8485 /* Concatenate every token in an unique
8487 objPtr
= Jim_NewStringObjNoAlloc(interp
,
8489 s
= objPtr
->bytes
= Jim_Alloc(totlen
+1);
8490 objPtr
->length
= totlen
;
8491 for (i
= 0; i
< tokens
; i
++) {
8492 memcpy(s
, intv
[i
]->bytes
, intv
[i
]->length
);
8493 s
+= intv
[i
]->length
;
8494 Jim_DecrRefCount(interp
, intv
[i
]);
8496 objPtr
->bytes
[totlen
] = '\0';
8497 /* Free the intv vector if not static. */
8498 if (tokens
> JIM_EVAL_SINTV_LEN
)
8500 *objPtrPtr
= objPtr
;
8505 Jim_DecrRefCount(interp
, intv
[i
]);
8506 if (tokens
> JIM_EVAL_SINTV_LEN
)
8511 /* Helper of Jim_EvalObj() to perform argument expansion.
8512 * Basically this function append an argument to 'argv'
8513 * (and increments argc by reference accordingly), performing
8514 * expansion of the list object if 'expand' is non-zero, or
8515 * just adding objPtr to argv if 'expand' is zero. */
8516 void Jim_ExpandArgument(Jim_Interp
*interp
, Jim_Obj
***argv
,
8517 int *argcPtr
, int expand
, Jim_Obj
*objPtr
)
8520 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+1));
8521 /* refcount of objPtr not incremented because
8522 * we are actually transfering a reference from
8523 * the old 'argv' to the expanded one. */
8524 (*argv
)[*argcPtr
] = objPtr
;
8529 Jim_ListLength(interp
, objPtr
, &len
);
8530 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+len
));
8531 for (i
= 0; i
< len
; i
++) {
8532 (*argv
)[*argcPtr
] = objPtr
->internalRep
.listValue
.ele
[i
];
8533 Jim_IncrRefCount(objPtr
->internalRep
.listValue
.ele
[i
]);
8536 /* The original object reference is no longer needed,
8537 * after the expansion it is no longer present on
8538 * the argument vector, but the single elements are
8540 Jim_DecrRefCount(interp
, objPtr
);
8544 int Jim_EvalObj(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8549 int *cs
; /* command structure array */
8550 int retcode
= JIM_OK
;
8551 Jim_Obj
*sargv
[JIM_EVAL_SARGV_LEN
], **argv
= NULL
, *tmpObjPtr
;
8553 interp
->errorFlag
= 0;
8555 /* If the object is of type "list" and there is no
8556 * string representation for this object, we can call
8557 * a specialized version of Jim_EvalObj() */
8558 if (scriptObjPtr
->typePtr
== &listObjType
&&
8559 scriptObjPtr
->internalRep
.listValue
.len
&&
8560 scriptObjPtr
->bytes
== NULL
) {
8561 Jim_IncrRefCount(scriptObjPtr
);
8562 retcode
= Jim_EvalObjVector(interp
,
8563 scriptObjPtr
->internalRep
.listValue
.len
,
8564 scriptObjPtr
->internalRep
.listValue
.ele
);
8565 Jim_DecrRefCount(interp
, scriptObjPtr
);
8569 Jim_IncrRefCount(scriptObjPtr
); /* Make sure it's shared. */
8570 script
= Jim_GetScript(interp
, scriptObjPtr
);
8571 /* Now we have to make sure the internal repr will not be
8572 * freed on shimmering.
8574 * Think for example to this:
8576 * set x {llength $x; ... some more code ...}; eval $x
8578 * In order to preserve the internal rep, we increment the
8579 * inUse field of the script internal rep structure. */
8582 token
= script
->token
;
8584 cs
= script
->cmdStruct
;
8585 i
= 0; /* 'i' is the current token index. */
8587 /* Reset the interpreter result. This is useful to
8588 * return the emtpy result in the case of empty program. */
8589 Jim_SetEmptyResult(interp
);
8591 /* Execute every command sequentially, returns on
8592 * error (i.e. if a command does not return JIM_OK) */
8595 int argc
= *cs
++; /* Get the number of arguments */
8598 /* Set the expand flag if needed. */
8603 /* Allocate the arguments vector */
8604 if (argc
<= JIM_EVAL_SARGV_LEN
)
8607 argv
= Jim_Alloc(sizeof(Jim_Obj
*)*argc
);
8608 /* Populate the arguments objects. */
8609 for (j
= 0; j
< argc
; j
++) {
8612 /* tokens is negative if expansion is needed.
8613 * for this argument. */
8615 tokens
= (-tokens
)-1;
8619 /* Fast path if the token does not
8620 * need interpolation */
8621 switch(token
[i
].type
) {
8624 argv
[j
] = token
[i
].objPtr
;
8627 tmpObjPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
,
8633 argv
[j
] = tmpObjPtr
;
8635 case JIM_TT_DICTSUGAR
:
8636 tmpObjPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8641 argv
[j
] = tmpObjPtr
;
8644 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8645 if (retcode
!= JIM_OK
)
8647 argv
[j
] = Jim_GetResult(interp
);
8651 "default token type reached "
8652 "in Jim_EvalObj().");
8655 Jim_IncrRefCount(argv
[j
]);
8658 /* For interpolation we call an helper
8659 * function doing the work for us. */
8660 if ((retcode
= Jim_InterpolateTokens(interp
,
8661 token
+i
, tokens
, &tmpObjPtr
)) != JIM_OK
)
8665 argv
[j
] = tmpObjPtr
;
8666 Jim_IncrRefCount(argv
[j
]);
8670 /* Handle {expand} expansion */
8672 int *ecs
= cs
- argc
;
8674 Jim_Obj
**eargv
= NULL
;
8676 for (j
= 0; j
< argc
; j
++) {
8677 Jim_ExpandArgument( interp
, &eargv
, &eargc
,
8678 ecs
[j
] < 0, argv
[j
]);
8686 /* Nothing to do with zero args. */
8691 /* Lookup the command to call */
8692 cmd
= Jim_GetCommand(interp
, argv
[0], JIM_ERRMSG
);
8694 /* Call it -- Make sure result is an empty object. */
8695 Jim_SetEmptyResult(interp
);
8697 interp
->cmdPrivData
= cmd
->privData
;
8698 retcode
= cmd
->cmdProc(interp
, argc
, argv
);
8699 if ((retcode
== JIM_ERR
)||(retcode
== JIM_ERR_ADDSTACK
)) {
8700 JimAppendStackTrace(interp
, "", script
->fileName
, token
[i
-argc
*2].linenr
);
8704 retcode
= JimCallProcedure(interp
, cmd
, argc
, argv
);
8705 if (retcode
== JIM_ERR
) {
8706 JimAppendStackTrace(interp
,
8707 Jim_GetString(argv
[0], NULL
), script
->fileName
,
8708 token
[i
-argc
*2].linenr
);
8712 /* Call [unknown] */
8713 retcode
= JimUnknown(interp
, argc
, argv
);
8714 if (retcode
== JIM_ERR
) {
8715 JimAppendStackTrace(interp
,
8716 "", script
->fileName
,
8717 token
[i
-argc
*2].linenr
);
8720 if (retcode
!= JIM_OK
) {
8721 i
-= argc
*2; /* point to the command name. */
8724 /* Decrement the arguments count */
8725 for (j
= 0; j
< argc
; j
++) {
8726 Jim_DecrRefCount(interp
, argv
[j
]);
8729 if (argv
!= sargv
) {
8734 /* Note that we don't have to decrement inUse, because the
8735 * following code transfers our use of the reference again to
8736 * the script object. */
8737 j
= 0; /* on normal termination, the argv array is already
8738 Jim_DecrRefCount-ed. */
8740 /* Handle errors. */
8741 if (retcode
== JIM_ERR
&& !interp
->errorFlag
) {
8742 interp
->errorFlag
= 1;
8743 JimSetErrorFileName(interp
, script
->fileName
);
8744 JimSetErrorLineNumber(interp
, token
[i
].linenr
);
8745 JimResetStackTrace(interp
);
8747 Jim_FreeIntRep(interp
, scriptObjPtr
);
8748 scriptObjPtr
->typePtr
= &scriptObjType
;
8749 Jim_SetIntRepPtr(scriptObjPtr
, script
);
8750 Jim_DecrRefCount(interp
, scriptObjPtr
);
8751 for (i
= 0; i
< j
; i
++) {
8752 Jim_DecrRefCount(interp
, argv
[i
]);
8759 /* Call a procedure implemented in Tcl.
8760 * It's possible to speed-up a lot this function, currently
8761 * the callframes are not cached, but allocated and
8762 * destroied every time. What is expecially costly is
8763 * to create/destroy the local vars hash table every time.
8765 * This can be fixed just implementing callframes caching
8766 * in JimCreateCallFrame() and JimFreeCallFrame(). */
8767 int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8768 Jim_Obj
*const *argv
)
8771 Jim_CallFrame
*callFramePtr
;
8775 if (argc
< cmd
->arityMin
|| (cmd
->arityMax
!= -1 &&
8776 argc
> cmd
->arityMax
)) {
8777 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
8778 Jim_AppendStrings(interp
, objPtr
,
8779 "wrong # args: should be \"", Jim_GetString(argv
[0], NULL
),
8780 (cmd
->arityMin
> 1) ? " " : "",
8781 Jim_GetString(cmd
->argListObjPtr
, NULL
), "\"", NULL
);
8782 Jim_SetResult(interp
, objPtr
);
8785 /* Check if there are too nested calls */
8786 if (interp
->numLevels
== interp
->maxNestingDepth
) {
8787 Jim_SetResultString(interp
,
8788 "Too many nested calls. Infinite recursion?", -1);
8791 /* Create a new callframe */
8792 callFramePtr
= JimCreateCallFrame(interp
);
8793 callFramePtr
->parentCallFrame
= interp
->framePtr
;
8794 callFramePtr
->argv
= argv
;
8795 callFramePtr
->argc
= argc
;
8796 callFramePtr
->procArgsObjPtr
= cmd
->argListObjPtr
;
8797 callFramePtr
->procBodyObjPtr
= cmd
->bodyObjPtr
;
8798 callFramePtr
->staticVars
= cmd
->staticVars
;
8799 Jim_IncrRefCount(cmd
->argListObjPtr
);
8800 Jim_IncrRefCount(cmd
->bodyObjPtr
);
8801 interp
->framePtr
= callFramePtr
;
8802 interp
->numLevels
++;
8805 Jim_ListLength(interp
, cmd
->argListObjPtr
, &num_args
);
8807 /* If last argument is 'args', don't set it here */
8808 if (cmd
->arityMax
== -1) {
8812 for (i
= 0; i
< num_args
; i
++) {
8814 Jim_Obj
*nameObjPtr
;
8815 Jim_Obj
*valueObjPtr
;
8817 Jim_ListIndex(interp
, cmd
->argListObjPtr
, i
, &argObjPtr
, JIM_NONE
);
8818 if (i
+ 1 >= cmd
->arityMin
) {
8819 /* The name is the first element of the list */
8820 Jim_ListIndex(interp
, argObjPtr
, 0, &nameObjPtr
, JIM_NONE
);
8823 /* The element arg is the name */
8824 nameObjPtr
= argObjPtr
;
8827 if (i
+ 1 >= argc
) {
8828 /* No more values, so use default */
8829 /* The value is the second element of the list */
8830 Jim_ListIndex(interp
, argObjPtr
, 1, &valueObjPtr
, JIM_NONE
);
8833 valueObjPtr
= argv
[i
+1];
8835 Jim_SetVariable(interp
, nameObjPtr
, valueObjPtr
);
8837 /* Set optional arguments */
8838 if (cmd
->arityMax
== -1) {
8839 Jim_Obj
*listObjPtr
, *objPtr
;
8842 listObjPtr
= Jim_NewListObj(interp
, argv
+i
, argc
-i
);
8843 Jim_ListIndex(interp
, cmd
->argListObjPtr
, num_args
, &objPtr
, JIM_NONE
);
8844 Jim_SetVariable(interp
, objPtr
, listObjPtr
);
8847 retcode
= Jim_EvalObj(interp
, cmd
->bodyObjPtr
);
8849 /* Destroy the callframe */
8850 interp
->numLevels
--;
8851 interp
->framePtr
= interp
->framePtr
->parentCallFrame
;
8852 if (callFramePtr
->vars
.size
!= JIM_HT_INITIAL_SIZE
) {
8853 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NONE
);
8855 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NOHT
);
8857 /* Handle the JIM_EVAL return code */
8858 if (retcode
== JIM_EVAL
&& interp
->evalRetcodeLevel
!= interp
->numLevels
) {
8859 int savedLevel
= interp
->evalRetcodeLevel
;
8861 interp
->evalRetcodeLevel
= interp
->numLevels
;
8862 while (retcode
== JIM_EVAL
) {
8863 Jim_Obj
*resultScriptObjPtr
= Jim_GetResult(interp
);
8864 Jim_IncrRefCount(resultScriptObjPtr
);
8865 retcode
= Jim_EvalObj(interp
, resultScriptObjPtr
);
8866 Jim_DecrRefCount(interp
, resultScriptObjPtr
);
8868 interp
->evalRetcodeLevel
= savedLevel
;
8870 /* Handle the JIM_RETURN return code */
8871 if (retcode
== JIM_RETURN
) {
8872 retcode
= interp
->returnCode
;
8873 interp
->returnCode
= JIM_OK
;
8878 int Jim_Eval_Named(Jim_Interp
*interp
, const char *script
, const char *filename
, int lineno
)
8881 Jim_Obj
*scriptObjPtr
;
8883 scriptObjPtr
= Jim_NewStringObj(interp
, script
, -1);
8884 Jim_IncrRefCount(scriptObjPtr
);
8888 JimSetSourceInfo( interp
, scriptObjPtr
, filename
, lineno
);
8891 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8892 Jim_DecrRefCount(interp
, scriptObjPtr
);
8896 int Jim_Eval(Jim_Interp
*interp
, const char *script
)
8898 return Jim_Eval_Named( interp
, script
, NULL
, 0 );
8903 /* Execute script in the scope of the global level */
8904 int Jim_EvalGlobal(Jim_Interp
*interp
, const char *script
)
8906 Jim_CallFrame
*savedFramePtr
;
8909 savedFramePtr
= interp
->framePtr
;
8910 interp
->framePtr
= interp
->topFramePtr
;
8911 retval
= Jim_Eval(interp
, script
);
8912 interp
->framePtr
= savedFramePtr
;
8916 int Jim_EvalObjBackground(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8918 Jim_CallFrame
*savedFramePtr
;
8921 savedFramePtr
= interp
->framePtr
;
8922 interp
->framePtr
= interp
->topFramePtr
;
8923 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8924 interp
->framePtr
= savedFramePtr
;
8925 /* Try to report the error (if any) via the bgerror proc */
8926 if (retval
!= JIM_OK
) {
8929 objv
[0] = Jim_NewStringObj(interp
, "bgerror", -1);
8930 objv
[1] = Jim_GetResult(interp
);
8931 Jim_IncrRefCount(objv
[0]);
8932 Jim_IncrRefCount(objv
[1]);
8933 if (Jim_EvalObjVector(interp
, 2, objv
) != JIM_OK
) {
8934 /* Report the error to stderr. */
8935 Jim_fprintf( interp
, interp
->cookie_stderr
, "Background error:" JIM_NL
);
8936 Jim_PrintErrorMessage(interp
);
8938 Jim_DecrRefCount(interp
, objv
[0]);
8939 Jim_DecrRefCount(interp
, objv
[1]);
8944 int Jim_EvalFile(Jim_Interp
*interp
, const char *filename
)
8948 int nread
, totread
, maxlen
, buflen
;
8950 Jim_Obj
*scriptObjPtr
;
8952 if ((fp
= fopen(filename
, "r")) == NULL
) {
8953 const int cwd_len
=2048;
8954 char *cwd
=malloc(cwd_len
);
8955 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8956 getcwd( cwd
, cwd_len
);
8957 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8958 "Error loading script \"", filename
, "\"",
8960 " err: ", strerror(errno
), NULL
);
8965 maxlen
= totread
= 0;
8967 if (maxlen
< totread
+buflen
+1) {
8968 maxlen
= totread
+buflen
+1;
8969 prg
= Jim_Realloc(prg
, maxlen
);
8971 /* do not use Jim_fread() - this is really a file */
8972 if ((nread
= fread(prg
+totread
, 1, buflen
, fp
)) == 0) break;
8975 prg
[totread
] = '\0';
8976 /* do not use Jim_fclose() - this is really a file */
8979 scriptObjPtr
= Jim_NewStringObjNoAlloc(interp
, prg
, totread
);
8980 JimSetSourceInfo(interp
, scriptObjPtr
, filename
, 1);
8981 Jim_IncrRefCount(scriptObjPtr
);
8982 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8983 Jim_DecrRefCount(interp
, scriptObjPtr
);
8987 /* -----------------------------------------------------------------------------
8989 * ---------------------------------------------------------------------------*/
8990 static int JimParseSubstStr(struct JimParserCtx
*pc
)
8993 pc
->tline
= pc
->linenr
;
8994 while (*pc
->p
&& *pc
->p
!= '$' && *pc
->p
!= '[') {
8998 pc
->tt
= JIM_TT_ESC
;
9002 static int JimParseSubst(struct JimParserCtx
*pc
, int flags
)
9007 pc
->tstart
= pc
->tend
= pc
->p
;
9008 pc
->tline
= pc
->linenr
;
9009 pc
->tt
= JIM_TT_EOL
;
9015 retval
= JimParseCmd(pc
);
9016 if (flags
& JIM_SUBST_NOCMD
) {
9019 pc
->tt
= (flags
& JIM_SUBST_NOESC
) ?
9020 JIM_TT_STR
: JIM_TT_ESC
;
9025 if (JimParseVar(pc
) == JIM_ERR
) {
9026 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
9027 pc
->tline
= pc
->linenr
;
9028 pc
->tt
= JIM_TT_STR
;
9030 if (flags
& JIM_SUBST_NOVAR
) {
9032 if (flags
& JIM_SUBST_NOESC
)
9033 pc
->tt
= JIM_TT_STR
;
9035 pc
->tt
= JIM_TT_ESC
;
9036 if (*pc
->tstart
== '{') {
9045 retval
= JimParseSubstStr(pc
);
9046 if (flags
& JIM_SUBST_NOESC
)
9047 pc
->tt
= JIM_TT_STR
;
9054 /* The subst object type reuses most of the data structures and functions
9055 * of the script object. Script's data structures are a bit more complex
9056 * for what is needed for [subst]itution tasks, but the reuse helps to
9057 * deal with a single data structure at the cost of some more memory
9058 * usage for substitutions. */
9059 static Jim_ObjType substObjType
= {
9061 FreeScriptInternalRep
,
9062 DupScriptInternalRep
,
9064 JIM_TYPE_REFERENCES
,
9067 /* This method takes the string representation of an object
9068 * as a Tcl string where to perform [subst]itution, and generates
9069 * the pre-parsed internal representation. */
9070 int SetSubstFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
, int flags
)
9073 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
9074 struct JimParserCtx parser
;
9075 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
9079 script
->commands
= 0;
9080 script
->token
= NULL
;
9081 script
->cmdStruct
= NULL
;
9083 script
->substFlags
= flags
;
9084 script
->fileName
= NULL
;
9086 JimParserInit(&parser
, scriptText
, scriptTextLen
, 1);
9089 int len
, type
, linenr
;
9091 JimParseSubst(&parser
, flags
);
9092 if (JimParserEof(&parser
)) break;
9093 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
9094 ScriptObjAddToken(interp
, script
, token
, len
, type
,
9097 /* Free the old internal rep and set the new one. */
9098 Jim_FreeIntRep(interp
, objPtr
);
9099 Jim_SetIntRepPtr(objPtr
, script
);
9100 objPtr
->typePtr
= &scriptObjType
;
9104 ScriptObj
*Jim_GetSubst(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
9106 struct ScriptObj
*script
= Jim_GetIntRepPtr(objPtr
);
9108 if (objPtr
->typePtr
!= &substObjType
|| script
->substFlags
!= flags
)
9109 SetSubstFromAny(interp
, objPtr
, flags
);
9110 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
9113 /* Performs commands,variables,blackslashes substitution,
9114 * storing the result object (with refcount 0) into
9116 int Jim_SubstObj(Jim_Interp
*interp
, Jim_Obj
*substObjPtr
,
9117 Jim_Obj
**resObjPtrPtr
, int flags
)
9121 int i
, len
, retcode
= JIM_OK
;
9122 Jim_Obj
*resObjPtr
, *savedResultObjPtr
;
9124 script
= Jim_GetSubst(interp
, substObjPtr
, flags
);
9125 #ifdef JIM_OPTIMIZATION
9126 /* Fast path for a very common case with array-alike syntax,
9127 * that's: $foo($bar) */
9128 if (script
->len
== 1 && script
->token
[0].type
== JIM_TT_VAR
) {
9129 Jim_Obj
*varObjPtr
= script
->token
[0].objPtr
;
9131 Jim_IncrRefCount(varObjPtr
);
9132 resObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
9133 if (resObjPtr
== NULL
) {
9134 Jim_DecrRefCount(interp
, varObjPtr
);
9137 Jim_DecrRefCount(interp
, varObjPtr
);
9138 *resObjPtrPtr
= resObjPtr
;
9143 Jim_IncrRefCount(substObjPtr
); /* Make sure it's shared. */
9144 /* In order to preserve the internal rep, we increment the
9145 * inUse field of the script internal rep structure. */
9148 token
= script
->token
;
9151 /* Save the interp old result, to set it again before
9153 savedResultObjPtr
= interp
->result
;
9154 Jim_IncrRefCount(savedResultObjPtr
);
9156 /* Perform the substitution. Starts with an empty object
9157 * and adds every token (performing the appropriate
9158 * var/command/escape substitution). */
9159 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
9160 for (i
= 0; i
< len
; i
++) {
9163 switch(token
[i
].type
) {
9166 Jim_AppendObj(interp
, resObjPtr
, token
[i
].objPtr
);
9169 objPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
9170 if (objPtr
== NULL
) goto err
;
9171 Jim_IncrRefCount(objPtr
);
9172 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
9173 Jim_DecrRefCount(interp
, objPtr
);
9175 case JIM_TT_DICTSUGAR
:
9176 objPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
9183 if (Jim_EvalObj(interp
, token
[i
].objPtr
) != JIM_OK
)
9185 Jim_AppendObj(interp
, resObjPtr
, interp
->result
);
9189 "default token type (%d) reached "
9190 "in Jim_SubstObj().", token
[i
].type
);
9195 if (retcode
== JIM_OK
)
9196 Jim_SetResult(interp
, savedResultObjPtr
);
9197 Jim_DecrRefCount(interp
, savedResultObjPtr
);
9198 /* Note that we don't have to decrement inUse, because the
9199 * following code transfers our use of the reference again to
9200 * the script object. */
9201 Jim_FreeIntRep(interp
, substObjPtr
);
9202 substObjPtr
->typePtr
= &scriptObjType
;
9203 Jim_SetIntRepPtr(substObjPtr
, script
);
9204 Jim_DecrRefCount(interp
, substObjPtr
);
9205 *resObjPtrPtr
= resObjPtr
;
9208 Jim_FreeNewObj(interp
, resObjPtr
);
9213 /* -----------------------------------------------------------------------------
9214 * API Input/Export functions
9215 * ---------------------------------------------------------------------------*/
9217 int Jim_GetApi(Jim_Interp
*interp
, const char *funcname
, void *targetPtrPtr
)
9221 he
= Jim_FindHashEntry(&interp
->stub
, funcname
);
9224 memcpy(targetPtrPtr
, &he
->val
, sizeof(void*));
9228 int Jim_RegisterApi(Jim_Interp
*interp
, const char *funcname
, void *funcptr
)
9230 return Jim_AddHashEntry(&interp
->stub
, funcname
, funcptr
);
9233 #define JIM_REGISTER_API(name) \
9234 Jim_RegisterApi(interp, "Jim_" #name, (void *)Jim_ ## name)
9236 void JimRegisterCoreApi(Jim_Interp
*interp
)
9238 interp
->getApiFuncPtr
= Jim_GetApi
;
9239 JIM_REGISTER_API(Alloc
);
9240 JIM_REGISTER_API(Free
);
9241 JIM_REGISTER_API(Eval
);
9242 JIM_REGISTER_API(Eval_Named
);
9243 JIM_REGISTER_API(EvalGlobal
);
9244 JIM_REGISTER_API(EvalFile
);
9245 JIM_REGISTER_API(EvalObj
);
9246 JIM_REGISTER_API(EvalObjBackground
);
9247 JIM_REGISTER_API(EvalObjVector
);
9248 JIM_REGISTER_API(InitHashTable
);
9249 JIM_REGISTER_API(ExpandHashTable
);
9250 JIM_REGISTER_API(AddHashEntry
);
9251 JIM_REGISTER_API(ReplaceHashEntry
);
9252 JIM_REGISTER_API(DeleteHashEntry
);
9253 JIM_REGISTER_API(FreeHashTable
);
9254 JIM_REGISTER_API(FindHashEntry
);
9255 JIM_REGISTER_API(ResizeHashTable
);
9256 JIM_REGISTER_API(GetHashTableIterator
);
9257 JIM_REGISTER_API(NextHashEntry
);
9258 JIM_REGISTER_API(NewObj
);
9259 JIM_REGISTER_API(FreeObj
);
9260 JIM_REGISTER_API(InvalidateStringRep
);
9261 JIM_REGISTER_API(InitStringRep
);
9262 JIM_REGISTER_API(DuplicateObj
);
9263 JIM_REGISTER_API(GetString
);
9264 JIM_REGISTER_API(Length
);
9265 JIM_REGISTER_API(InvalidateStringRep
);
9266 JIM_REGISTER_API(NewStringObj
);
9267 JIM_REGISTER_API(NewStringObjNoAlloc
);
9268 JIM_REGISTER_API(AppendString
);
9269 JIM_REGISTER_API(AppendString_sprintf
);
9270 JIM_REGISTER_API(AppendObj
);
9271 JIM_REGISTER_API(AppendStrings
);
9272 JIM_REGISTER_API(StringEqObj
);
9273 JIM_REGISTER_API(StringMatchObj
);
9274 JIM_REGISTER_API(StringRangeObj
);
9275 JIM_REGISTER_API(FormatString
);
9276 JIM_REGISTER_API(CompareStringImmediate
);
9277 JIM_REGISTER_API(NewReference
);
9278 JIM_REGISTER_API(GetReference
);
9279 JIM_REGISTER_API(SetFinalizer
);
9280 JIM_REGISTER_API(GetFinalizer
);
9281 JIM_REGISTER_API(CreateInterp
);
9282 JIM_REGISTER_API(FreeInterp
);
9283 JIM_REGISTER_API(GetExitCode
);
9284 JIM_REGISTER_API(SetStdin
);
9285 JIM_REGISTER_API(SetStdout
);
9286 JIM_REGISTER_API(SetStderr
);
9287 JIM_REGISTER_API(CreateCommand
);
9288 JIM_REGISTER_API(CreateProcedure
);
9289 JIM_REGISTER_API(DeleteCommand
);
9290 JIM_REGISTER_API(RenameCommand
);
9291 JIM_REGISTER_API(GetCommand
);
9292 JIM_REGISTER_API(SetVariable
);
9293 JIM_REGISTER_API(SetVariableStr
);
9294 JIM_REGISTER_API(SetGlobalVariableStr
);
9295 JIM_REGISTER_API(SetVariableStrWithStr
);
9296 JIM_REGISTER_API(SetVariableLink
);
9297 JIM_REGISTER_API(GetVariable
);
9298 JIM_REGISTER_API(GetCallFrameByLevel
);
9299 JIM_REGISTER_API(Collect
);
9300 JIM_REGISTER_API(CollectIfNeeded
);
9301 JIM_REGISTER_API(GetIndex
);
9302 JIM_REGISTER_API(NewListObj
);
9303 JIM_REGISTER_API(ListAppendElement
);
9304 JIM_REGISTER_API(ListAppendList
);
9305 JIM_REGISTER_API(ListLength
);
9306 JIM_REGISTER_API(ListIndex
);
9307 JIM_REGISTER_API(SetListIndex
);
9308 JIM_REGISTER_API(ConcatObj
);
9309 JIM_REGISTER_API(NewDictObj
);
9310 JIM_REGISTER_API(DictKey
);
9311 JIM_REGISTER_API(DictKeysVector
);
9312 JIM_REGISTER_API(GetIndex
);
9313 JIM_REGISTER_API(GetReturnCode
);
9314 JIM_REGISTER_API(EvalExpression
);
9315 JIM_REGISTER_API(GetBoolFromExpr
);
9316 JIM_REGISTER_API(GetWide
);
9317 JIM_REGISTER_API(GetLong
);
9318 JIM_REGISTER_API(SetWide
);
9319 JIM_REGISTER_API(NewIntObj
);
9320 JIM_REGISTER_API(GetDouble
);
9321 JIM_REGISTER_API(SetDouble
);
9322 JIM_REGISTER_API(NewDoubleObj
);
9323 JIM_REGISTER_API(WrongNumArgs
);
9324 JIM_REGISTER_API(SetDictKeysVector
);
9325 JIM_REGISTER_API(SubstObj
);
9326 JIM_REGISTER_API(RegisterApi
);
9327 JIM_REGISTER_API(PrintErrorMessage
);
9328 JIM_REGISTER_API(InteractivePrompt
);
9329 JIM_REGISTER_API(RegisterCoreCommands
);
9330 JIM_REGISTER_API(GetSharedString
);
9331 JIM_REGISTER_API(ReleaseSharedString
);
9332 JIM_REGISTER_API(Panic
);
9333 JIM_REGISTER_API(StrDup
);
9334 JIM_REGISTER_API(UnsetVariable
);
9335 JIM_REGISTER_API(GetVariableStr
);
9336 JIM_REGISTER_API(GetGlobalVariable
);
9337 JIM_REGISTER_API(GetGlobalVariableStr
);
9338 JIM_REGISTER_API(GetAssocData
);
9339 JIM_REGISTER_API(SetAssocData
);
9340 JIM_REGISTER_API(DeleteAssocData
);
9341 JIM_REGISTER_API(GetEnum
);
9342 JIM_REGISTER_API(ScriptIsComplete
);
9343 JIM_REGISTER_API(PackageRequire
);
9344 JIM_REGISTER_API(PackageProvide
);
9345 JIM_REGISTER_API(InitStack
);
9346 JIM_REGISTER_API(FreeStack
);
9347 JIM_REGISTER_API(StackLen
);
9348 JIM_REGISTER_API(StackPush
);
9349 JIM_REGISTER_API(StackPop
);
9350 JIM_REGISTER_API(StackPeek
);
9351 JIM_REGISTER_API(FreeStackElements
);
9352 JIM_REGISTER_API(fprintf
);
9353 JIM_REGISTER_API(vfprintf
);
9354 JIM_REGISTER_API(fwrite
);
9355 JIM_REGISTER_API(fread
);
9356 JIM_REGISTER_API(fflush
);
9357 JIM_REGISTER_API(fgets
);
9358 JIM_REGISTER_API(GetNvp
);
9359 JIM_REGISTER_API(Nvp_name2value
);
9360 JIM_REGISTER_API(Nvp_name2value_simple
);
9361 JIM_REGISTER_API(Nvp_name2value_obj
);
9362 JIM_REGISTER_API(Nvp_name2value_nocase
);
9363 JIM_REGISTER_API(Nvp_name2value_obj_nocase
);
9365 JIM_REGISTER_API(Nvp_value2name
);
9366 JIM_REGISTER_API(Nvp_value2name_simple
);
9367 JIM_REGISTER_API(Nvp_value2name_obj
);
9369 JIM_REGISTER_API(GetOpt_Setup
);
9370 JIM_REGISTER_API(GetOpt_Debug
);
9371 JIM_REGISTER_API(GetOpt_Obj
);
9372 JIM_REGISTER_API(GetOpt_String
);
9373 JIM_REGISTER_API(GetOpt_Double
);
9374 JIM_REGISTER_API(GetOpt_Wide
);
9375 JIM_REGISTER_API(GetOpt_Nvp
);
9376 JIM_REGISTER_API(GetOpt_NvpUnknown
);
9377 JIM_REGISTER_API(GetOpt_Enum
);
9379 JIM_REGISTER_API(Debug_ArgvString
);
9380 JIM_REGISTER_API(SetResult_sprintf
);
9381 JIM_REGISTER_API(SetResult_NvpUnknown
);
9385 /* -----------------------------------------------------------------------------
9386 * Core commands utility functions
9387 * ---------------------------------------------------------------------------*/
9388 void Jim_WrongNumArgs(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
,
9392 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
9394 Jim_AppendString(interp
, objPtr
, "wrong # args: should be \"", -1);
9395 for (i
= 0; i
< argc
; i
++) {
9396 Jim_AppendObj(interp
, objPtr
, argv
[i
]);
9397 if (!(i
+1 == argc
&& msg
[0] == '\0'))
9398 Jim_AppendString(interp
, objPtr
, " ", 1);
9400 Jim_AppendString(interp
, objPtr
, msg
, -1);
9401 Jim_AppendString(interp
, objPtr
, "\"", 1);
9402 Jim_SetResult(interp
, objPtr
);
9405 static Jim_Obj
*JimCommandsList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
)
9407 Jim_HashTableIterator
*htiter
;
9409 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9410 const char *pattern
;
9413 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9414 htiter
= Jim_GetHashTableIterator(&interp
->commands
);
9415 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9416 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9417 strlen((const char*)he
->key
), 0))
9419 Jim_ListAppendElement(interp
, listObjPtr
,
9420 Jim_NewStringObj(interp
, he
->key
, -1));
9422 Jim_FreeHashTableIterator(htiter
);
9426 #define JIM_VARLIST_GLOBALS 0
9427 #define JIM_VARLIST_LOCALS 1
9428 #define JIM_VARLIST_VARS 2
9430 static Jim_Obj
*JimVariablesList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
,
9433 Jim_HashTableIterator
*htiter
;
9435 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9436 const char *pattern
;
9439 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9440 if (mode
== JIM_VARLIST_GLOBALS
) {
9441 htiter
= Jim_GetHashTableIterator(&interp
->topFramePtr
->vars
);
9443 /* For [info locals], if we are at top level an emtpy list
9444 * is returned. I don't agree, but we aim at compatibility (SS) */
9445 if (mode
== JIM_VARLIST_LOCALS
&&
9446 interp
->framePtr
== interp
->topFramePtr
)
9448 htiter
= Jim_GetHashTableIterator(&interp
->framePtr
->vars
);
9450 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9451 Jim_Var
*varPtr
= (Jim_Var
*) he
->val
;
9452 if (mode
== JIM_VARLIST_LOCALS
) {
9453 if (varPtr
->linkFramePtr
!= NULL
)
9456 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9457 strlen((const char*)he
->key
), 0))
9459 Jim_ListAppendElement(interp
, listObjPtr
,
9460 Jim_NewStringObj(interp
, he
->key
, -1));
9462 Jim_FreeHashTableIterator(htiter
);
9466 static int JimInfoLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
9467 Jim_Obj
**objPtrPtr
)
9469 Jim_CallFrame
*targetCallFrame
;
9471 if (JimGetCallFrameByInteger(interp
, levelObjPtr
, &targetCallFrame
)
9474 /* No proc call at toplevel callframe */
9475 if (targetCallFrame
== interp
->topFramePtr
) {
9476 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
9477 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
9479 Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
9482 *objPtrPtr
= Jim_NewListObj(interp
,
9483 targetCallFrame
->argv
,
9484 targetCallFrame
->argc
);
9488 /* -----------------------------------------------------------------------------
9490 * ---------------------------------------------------------------------------*/
9492 /* fake [puts] -- not the real puts, just for debugging. */
9493 static int Jim_PutsCoreCommand(Jim_Interp
*interp
, int argc
,
9494 Jim_Obj
*const *argv
)
9497 int len
, nonewline
= 0;
9499 if (argc
!= 2 && argc
!= 3) {
9500 Jim_WrongNumArgs(interp
, 1, argv
, "-nonewline string");
9504 if (!Jim_CompareStringImmediate(interp
, argv
[1], "-nonewline"))
9506 Jim_SetResultString(interp
, "The second argument must "
9507 "be -nonewline", -1);
9514 str
= Jim_GetString(argv
[1], &len
);
9515 Jim_fwrite(interp
, str
, 1, len
, interp
->cookie_stdout
);
9516 if (!nonewline
) Jim_fprintf( interp
, interp
->cookie_stdout
, JIM_NL
);
9520 /* Helper for [+] and [*] */
9521 static int Jim_AddMulHelper(Jim_Interp
*interp
, int argc
,
9522 Jim_Obj
*const *argv
, int op
)
9524 jim_wide wideValue
, res
;
9525 double doubleValue
, doubleRes
;
9528 res
= (op
== JIM_EXPROP_ADD
) ? 0 : 1;
9530 for (i
= 1; i
< argc
; i
++) {
9531 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
)
9533 if (op
== JIM_EXPROP_ADD
)
9538 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9541 doubleRes
= (double) res
;
9542 for (;i
< argc
; i
++) {
9543 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9545 if (op
== JIM_EXPROP_ADD
)
9546 doubleRes
+= doubleValue
;
9548 doubleRes
*= doubleValue
;
9550 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9554 /* Helper for [-] and [/] */
9555 static int Jim_SubDivHelper(Jim_Interp
*interp
, int argc
,
9556 Jim_Obj
*const *argv
, int op
)
9558 jim_wide wideValue
, res
= 0;
9559 double doubleValue
, doubleRes
= 0;
9563 Jim_WrongNumArgs(interp
, 1, argv
, "number ?number ... number?");
9565 } else if (argc
== 2) {
9566 /* The arity = 2 case is different. For [- x] returns -x,
9567 * while [/ x] returns 1/x. */
9568 if (Jim_GetWide(interp
, argv
[1], &wideValue
) != JIM_OK
) {
9569 if (Jim_GetDouble(interp
, argv
[1], &doubleValue
) !=
9574 if (op
== JIM_EXPROP_SUB
)
9575 doubleRes
= -doubleValue
;
9577 doubleRes
= 1.0/doubleValue
;
9578 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9583 if (op
== JIM_EXPROP_SUB
) {
9585 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9587 doubleRes
= 1.0/wideValue
;
9588 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9593 if (Jim_GetWide(interp
, argv
[1], &res
) != JIM_OK
) {
9594 if (Jim_GetDouble(interp
, argv
[1], &doubleRes
)
9602 for (i
= 2; i
< argc
; i
++) {
9603 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
) {
9604 doubleRes
= (double) res
;
9607 if (op
== JIM_EXPROP_SUB
)
9612 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9615 for (;i
< argc
; i
++) {
9616 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9618 if (op
== JIM_EXPROP_SUB
)
9619 doubleRes
-= doubleValue
;
9621 doubleRes
/= doubleValue
;
9623 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9629 static int Jim_AddCoreCommand(Jim_Interp
*interp
, int argc
,
9630 Jim_Obj
*const *argv
)
9632 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_ADD
);
9636 static int Jim_MulCoreCommand(Jim_Interp
*interp
, int argc
,
9637 Jim_Obj
*const *argv
)
9639 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_MUL
);
9643 static int Jim_SubCoreCommand(Jim_Interp
*interp
, int argc
,
9644 Jim_Obj
*const *argv
)
9646 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_SUB
);
9650 static int Jim_DivCoreCommand(Jim_Interp
*interp
, int argc
,
9651 Jim_Obj
*const *argv
)
9653 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_DIV
);
9657 static int Jim_SetCoreCommand(Jim_Interp
*interp
, int argc
,
9658 Jim_Obj
*const *argv
)
9660 if (argc
!= 2 && argc
!= 3) {
9661 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?newValue?");
9666 objPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9669 Jim_SetResult(interp
, objPtr
);
9672 /* argc == 3 case. */
9673 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
9675 Jim_SetResult(interp
, argv
[2]);
9680 static int Jim_UnsetCoreCommand(Jim_Interp
*interp
, int argc
,
9681 Jim_Obj
*const *argv
)
9686 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
9689 for (i
= 1; i
< argc
; i
++) {
9690 if (Jim_UnsetVariable(interp
, argv
[i
], JIM_ERRMSG
) != JIM_OK
)
9697 static int Jim_IncrCoreCommand(Jim_Interp
*interp
, int argc
,
9698 Jim_Obj
*const *argv
)
9700 jim_wide wideValue
, increment
= 1;
9703 if (argc
!= 2 && argc
!= 3) {
9704 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?increment?");
9708 if (Jim_GetWide(interp
, argv
[2], &increment
) != JIM_OK
)
9711 intObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9712 if (!intObjPtr
) return JIM_ERR
;
9713 if (Jim_GetWide(interp
, intObjPtr
, &wideValue
) != JIM_OK
)
9715 if (Jim_IsShared(intObjPtr
)) {
9716 intObjPtr
= Jim_NewIntObj(interp
, wideValue
+increment
);
9717 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9718 Jim_FreeNewObj(interp
, intObjPtr
);
9722 Jim_SetWide(interp
, intObjPtr
, wideValue
+increment
);
9723 /* The following step is required in order to invalidate the
9724 * string repr of "FOO" if the var name is on the form of "FOO(IDX)" */
9725 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9729 Jim_SetResult(interp
, intObjPtr
);
9734 static int Jim_WhileCoreCommand(Jim_Interp
*interp
, int argc
,
9735 Jim_Obj
*const *argv
)
9738 Jim_WrongNumArgs(interp
, 1, argv
, "condition body");
9741 /* Try to run a specialized version of while if the expression
9742 * is in one of the following forms:
9744 * $a < CONST, $a < $b
9745 * $a <= CONST, $a <= $b
9746 * $a > CONST, $a > $b
9747 * $a >= CONST, $a >= $b
9748 * $a != CONST, $a != $b
9749 * $a == CONST, $a == $b
9755 #ifdef JIM_OPTIMIZATION
9758 Jim_Obj
*varAObjPtr
= NULL
, *varBObjPtr
= NULL
, *objPtr
;
9759 int exprLen
, retval
;
9761 /* STEP 1 -- Check if there are the conditions to run the specialized
9762 * version of while */
9764 if ((expr
= Jim_GetExpression(interp
, argv
[1])) == NULL
) goto noopt
;
9765 if (expr
->len
<= 0 || expr
->len
> 3) goto noopt
;
9768 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
&&
9769 expr
->opcode
[0] != JIM_EXPROP_NUMBER
)
9773 if (expr
->opcode
[1] != JIM_EXPROP_NOT
||
9774 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
)
9778 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9779 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9780 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
))
9782 switch(expr
->opcode
[2]) {
9784 case JIM_EXPROP_LTE
:
9786 case JIM_EXPROP_GTE
:
9787 case JIM_EXPROP_NUMEQ
:
9788 case JIM_EXPROP_NUMNE
:
9797 "Unexpected default reached in Jim_WhileCoreCommand()");
9801 /* STEP 2 -- conditions meet. Initialization. Take different
9802 * branches for different expression lengths. */
9803 exprLen
= expr
->len
;
9808 if (expr
->opcode
[0] == JIM_EXPROP_VARIABLE
) {
9809 varAObjPtr
= expr
->obj
[0];
9810 Jim_IncrRefCount(varAObjPtr
);
9812 if (Jim_GetWide(interp
, expr
->obj
[0], &wideValue
) != JIM_OK
)
9818 Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9819 Jim_GetWide(interp
, objPtr
, &wideValue
) != JIM_OK
)
9821 Jim_DecrRefCount(interp
, varAObjPtr
);
9825 if (!wideValue
) break;
9826 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9830 Jim_DecrRefCount(interp
, varAObjPtr
);
9838 Jim_DecrRefCount(interp
, varAObjPtr
);
9844 Jim_DecrRefCount(interp
, varAObjPtr
);
9845 } else if (exprLen
== 3) {
9846 jim_wide wideValueA
, wideValueB
, cmpRes
= 0;
9847 int cmpType
= expr
->opcode
[2];
9849 varAObjPtr
= expr
->obj
[0];
9850 Jim_IncrRefCount(varAObjPtr
);
9851 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
9852 varBObjPtr
= expr
->obj
[1];
9853 Jim_IncrRefCount(varBObjPtr
);
9855 if (Jim_GetWide(interp
, expr
->obj
[1], &wideValueB
) != JIM_OK
)
9859 if (!(objPtr
= Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9860 Jim_GetWide(interp
, objPtr
, &wideValueA
) != JIM_OK
)
9862 Jim_DecrRefCount(interp
, varAObjPtr
);
9864 Jim_DecrRefCount(interp
, varBObjPtr
);
9869 Jim_GetVariable(interp
, varBObjPtr
, JIM_NONE
)) ||
9870 Jim_GetWide(interp
, objPtr
, &wideValueB
) != JIM_OK
)
9872 Jim_DecrRefCount(interp
, varAObjPtr
);
9874 Jim_DecrRefCount(interp
, varBObjPtr
);
9880 cmpRes
= wideValueA
< wideValueB
; break;
9881 case JIM_EXPROP_LTE
:
9882 cmpRes
= wideValueA
<= wideValueB
; break;
9884 cmpRes
= wideValueA
> wideValueB
; break;
9885 case JIM_EXPROP_GTE
:
9886 cmpRes
= wideValueA
>= wideValueB
; break;
9887 case JIM_EXPROP_NUMEQ
:
9888 cmpRes
= wideValueA
== wideValueB
; break;
9889 case JIM_EXPROP_NUMNE
:
9890 cmpRes
= wideValueA
!= wideValueB
; break;
9893 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9896 Jim_DecrRefCount(interp
, varAObjPtr
);
9898 Jim_DecrRefCount(interp
, varBObjPtr
);
9905 Jim_DecrRefCount(interp
, varAObjPtr
);
9907 Jim_DecrRefCount(interp
, varBObjPtr
);
9912 Jim_DecrRefCount(interp
, varAObjPtr
);
9914 Jim_DecrRefCount(interp
, varBObjPtr
);
9916 /* TODO: case for len == 2 */
9919 Jim_SetEmptyResult(interp
);
9925 /* The general purpose implementation of while starts here */
9927 int boolean
, retval
;
9929 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[1],
9930 &boolean
)) != JIM_OK
)
9932 if (!boolean
) break;
9933 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9947 Jim_SetEmptyResult(interp
);
9952 static int Jim_ForCoreCommand(Jim_Interp
*interp
, int argc
,
9953 Jim_Obj
*const *argv
)
9958 Jim_WrongNumArgs(interp
, 1, argv
, "start test next body");
9961 /* Check if the for is on the form:
9962 * for {set i CONST} {$i < CONST} {incr i}
9963 * for {set i CONST} {$i < $j} {incr i}
9964 * for {set i CONST} {$i <= CONST} {incr i}
9965 * for {set i CONST} {$i <= $j} {incr i}
9966 * XXX: NOTE: if variable traces are implemented, this optimization
9967 * need to be modified to check for the proc epoch at every variable
9969 #ifdef JIM_OPTIMIZATION
9971 ScriptObj
*initScript
, *incrScript
;
9973 jim_wide start
, stop
, currentVal
;
9974 unsigned jim_wide procEpoch
= interp
->procEpoch
;
9975 Jim_Obj
*varNamePtr
, *stopVarNamePtr
= NULL
, *objPtr
;
9977 struct Jim_Cmd
*cmdPtr
;
9979 /* Do it only if there aren't shared arguments */
9980 if (argv
[1] == argv
[2] || argv
[2] == argv
[3] || argv
[1] == argv
[3])
9982 initScript
= Jim_GetScript(interp
, argv
[1]);
9983 expr
= Jim_GetExpression(interp
, argv
[2]);
9984 incrScript
= Jim_GetScript(interp
, argv
[3]);
9986 /* Ensure proper lengths to start */
9987 if (initScript
->len
!= 6) goto evalstart
;
9988 if (incrScript
->len
!= 4) goto evalstart
;
9989 if (expr
->len
!= 3) goto evalstart
;
9990 /* Ensure proper token types. */
9991 if (initScript
->token
[2].type
!= JIM_TT_ESC
||
9992 initScript
->token
[4].type
!= JIM_TT_ESC
||
9993 incrScript
->token
[2].type
!= JIM_TT_ESC
||
9994 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9995 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9996 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
) ||
9997 (expr
->opcode
[2] != JIM_EXPROP_LT
&&
9998 expr
->opcode
[2] != JIM_EXPROP_LTE
))
10000 cmpType
= expr
->opcode
[2];
10001 /* Initialization command must be [set] */
10002 cmdPtr
= Jim_GetCommand(interp
, initScript
->token
[0].objPtr
, JIM_NONE
);
10003 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_SetCoreCommand
)
10005 /* Update command must be incr */
10006 cmdPtr
= Jim_GetCommand(interp
, incrScript
->token
[0].objPtr
, JIM_NONE
);
10007 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_IncrCoreCommand
)
10009 /* set, incr, expression must be about the same variable */
10010 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
10011 incrScript
->token
[2].objPtr
, 0))
10013 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
10016 /* Check that the initialization and comparison are valid integers */
10017 if (Jim_GetWide(interp
, initScript
->token
[4].objPtr
, &start
) == JIM_ERR
)
10019 if (expr
->opcode
[1] == JIM_EXPROP_NUMBER
&&
10020 Jim_GetWide(interp
, expr
->obj
[1], &stop
) == JIM_ERR
)
10025 /* Initialization */
10026 varNamePtr
= expr
->obj
[0];
10027 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
10028 stopVarNamePtr
= expr
->obj
[1];
10029 Jim_IncrRefCount(stopVarNamePtr
);
10031 Jim_IncrRefCount(varNamePtr
);
10033 /* --- OPTIMIZED FOR --- */
10034 /* Start to loop */
10035 objPtr
= Jim_NewIntObj(interp
, start
);
10036 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
10037 Jim_DecrRefCount(interp
, varNamePtr
);
10038 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
10039 Jim_FreeNewObj(interp
, objPtr
);
10043 /* === Check condition === */
10045 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_NONE
);
10046 if (objPtr
== NULL
||
10047 Jim_GetWide(interp
, objPtr
, ¤tVal
) != JIM_OK
)
10049 Jim_DecrRefCount(interp
, varNamePtr
);
10050 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
10053 /* Immediate or Variable? get the 'stop' value if the latter. */
10054 if (stopVarNamePtr
) {
10055 objPtr
= Jim_GetVariable(interp
, stopVarNamePtr
, JIM_NONE
);
10056 if (objPtr
== NULL
||
10057 Jim_GetWide(interp
, objPtr
, &stop
) != JIM_OK
)
10059 Jim_DecrRefCount(interp
, varNamePtr
);
10060 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10064 if (cmpType
== JIM_EXPROP_LT
) {
10065 if (currentVal
>= stop
) break;
10067 if (currentVal
> stop
) break;
10070 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
10073 if (stopVarNamePtr
)
10074 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10075 Jim_DecrRefCount(interp
, varNamePtr
);
10078 /* nothing to do */
10081 if (stopVarNamePtr
)
10082 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10083 Jim_DecrRefCount(interp
, varNamePtr
);
10087 /* If there was a change in procedures/command continue
10088 * with the usual [for] command implementation */
10089 if (procEpoch
!= interp
->procEpoch
) {
10090 if (stopVarNamePtr
)
10091 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10092 Jim_DecrRefCount(interp
, varNamePtr
);
10096 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
10097 if (objPtr
->refCount
== 1 && objPtr
->typePtr
== &intObjType
) {
10098 objPtr
->internalRep
.wideValue
++;
10099 Jim_InvalidateStringRep(objPtr
);
10101 Jim_Obj
*auxObjPtr
;
10103 if (Jim_GetWide(interp
, objPtr
, ¤tVal
) == JIM_ERR
) {
10104 if (stopVarNamePtr
)
10105 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10106 Jim_DecrRefCount(interp
, varNamePtr
);
10109 auxObjPtr
= Jim_NewIntObj(interp
, currentVal
+1);
10110 if (Jim_SetVariable(interp
, varNamePtr
, auxObjPtr
) == JIM_ERR
) {
10111 if (stopVarNamePtr
)
10112 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10113 Jim_DecrRefCount(interp
, varNamePtr
);
10114 Jim_FreeNewObj(interp
, auxObjPtr
);
10119 if (stopVarNamePtr
)
10120 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10121 Jim_DecrRefCount(interp
, varNamePtr
);
10122 Jim_SetEmptyResult(interp
);
10128 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
10133 /* Test the condition */
10134 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[2], &boolean
))
10137 if (!boolean
) break;
10139 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
10145 /* Nothing to do */
10153 if ((retval
= Jim_EvalObj(interp
, argv
[3])) != JIM_OK
) {
10167 Jim_SetEmptyResult(interp
);
10171 /* foreach + lmap implementation. */
10172 static int JimForeachMapHelper(Jim_Interp
*interp
, int argc
,
10173 Jim_Obj
*const *argv
, int doMap
)
10175 int result
= JIM_ERR
, i
, nbrOfLists
, *listsIdx
, *listsEnd
;
10176 int nbrOfLoops
= 0;
10177 Jim_Obj
*emptyStr
, *script
, *mapRes
= NULL
;
10179 if (argc
< 4 || argc
% 2 != 0) {
10180 Jim_WrongNumArgs(interp
, 1, argv
, "varList list ?varList list ...? script");
10184 mapRes
= Jim_NewListObj(interp
, NULL
, 0);
10185 Jim_IncrRefCount(mapRes
);
10187 emptyStr
= Jim_NewEmptyStringObj(interp
);
10188 Jim_IncrRefCount(emptyStr
);
10189 script
= argv
[argc
-1]; /* Last argument is a script */
10190 nbrOfLists
= (argc
- 1 - 1) / 2; /* argc - 'foreach' - script */
10191 listsIdx
= (int*)Jim_Alloc(nbrOfLists
* sizeof(int));
10192 listsEnd
= (int*)Jim_Alloc(nbrOfLists
*2 * sizeof(int));
10193 /* Initialize iterators and remember max nbr elements each list */
10194 memset(listsIdx
, 0, nbrOfLists
* sizeof(int));
10195 /* Remember lengths of all lists and calculate how much rounds to loop */
10196 for (i
=0; i
< nbrOfLists
*2; i
+= 2) {
10199 Jim_ListLength(interp
, argv
[i
+1], &listsEnd
[i
]);
10200 Jim_ListLength(interp
, argv
[i
+2], &listsEnd
[i
+1]);
10201 if (listsEnd
[i
] == 0) {
10202 Jim_SetResultString(interp
, "foreach varlist is empty", -1);
10205 cnt
= div(listsEnd
[i
+1], listsEnd
[i
]);
10206 count
= cnt
.quot
+ (cnt
.rem
? 1 : 0);
10207 if (count
> nbrOfLoops
)
10208 nbrOfLoops
= count
;
10210 for (; nbrOfLoops
-- > 0; ) {
10211 for (i
=0; i
< nbrOfLists
; ++i
) {
10212 int varIdx
= 0, var
= i
* 2;
10213 while (varIdx
< listsEnd
[var
]) {
10214 Jim_Obj
*varName
, *ele
;
10215 int lst
= i
* 2 + 1;
10216 if (Jim_ListIndex(interp
, argv
[var
+1], varIdx
, &varName
, JIM_ERRMSG
)
10219 if (listsIdx
[i
] < listsEnd
[lst
]) {
10220 if (Jim_ListIndex(interp
, argv
[lst
+1], listsIdx
[i
], &ele
, JIM_ERRMSG
)
10223 if (Jim_SetVariable(interp
, varName
, ele
) != JIM_OK
) {
10224 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10227 ++listsIdx
[i
]; /* Remember next iterator of current list */
10228 } else if (Jim_SetVariable(interp
, varName
, emptyStr
) != JIM_OK
) {
10229 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10232 ++varIdx
; /* Next variable */
10235 switch (result
= Jim_EvalObj(interp
, script
)) {
10238 Jim_ListAppendElement(interp
, mapRes
, interp
->result
);
10252 Jim_SetResult(interp
, mapRes
);
10254 Jim_SetEmptyResult(interp
);
10257 Jim_DecrRefCount(interp
, mapRes
);
10258 Jim_DecrRefCount(interp
, emptyStr
);
10259 Jim_Free(listsIdx
);
10260 Jim_Free(listsEnd
);
10265 static int Jim_ForeachCoreCommand(Jim_Interp
*interp
, int argc
,
10266 Jim_Obj
*const *argv
)
10268 return JimForeachMapHelper(interp
, argc
, argv
, 0);
10272 static int Jim_LmapCoreCommand(Jim_Interp
*interp
, int argc
,
10273 Jim_Obj
*const *argv
)
10275 return JimForeachMapHelper(interp
, argc
, argv
, 1);
10279 static int Jim_IfCoreCommand(Jim_Interp
*interp
, int argc
,
10280 Jim_Obj
*const *argv
)
10282 int boolean
, retval
, current
= 1, falsebody
= 0;
10285 /* Far not enough arguments given! */
10286 if (current
>= argc
) goto err
;
10287 if ((retval
= Jim_GetBoolFromExpr(interp
,
10288 argv
[current
++], &boolean
))
10291 /* There lacks something, isn't it? */
10292 if (current
>= argc
) goto err
;
10293 if (Jim_CompareStringImmediate(interp
, argv
[current
],
10294 "then")) current
++;
10295 /* Tsk tsk, no then-clause? */
10296 if (current
>= argc
) goto err
;
10298 return Jim_EvalObj(interp
, argv
[current
]);
10299 /* Ok: no else-clause follows */
10300 if (++current
>= argc
) {
10301 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10304 falsebody
= current
++;
10305 if (Jim_CompareStringImmediate(interp
, argv
[falsebody
],
10307 /* IIICKS - else-clause isn't last cmd? */
10308 if (current
!= argc
-1) goto err
;
10309 return Jim_EvalObj(interp
, argv
[current
]);
10310 } else if (Jim_CompareStringImmediate(interp
,
10311 argv
[falsebody
], "elseif"))
10312 /* Ok: elseif follows meaning all the stuff
10313 * again (how boring...) */
10315 /* OOPS - else-clause is not last cmd?*/
10316 else if (falsebody
!= argc
-1)
10318 return Jim_EvalObj(interp
, argv
[falsebody
]);
10323 Jim_WrongNumArgs(interp
, 1, argv
, "condition ?then? trueBody ?elseif ...? ?else? falseBody");
10327 enum {SWITCH_EXACT
, SWITCH_GLOB
, SWITCH_RE
, SWITCH_CMD
, SWITCH_UNKNOWN
};
10330 static int Jim_SwitchCoreCommand(Jim_Interp
*interp
, int argc
,
10331 Jim_Obj
*const *argv
)
10333 int retcode
= JIM_ERR
, matchOpt
= SWITCH_EXACT
, opt
=1, patCount
, i
;
10334 Jim_Obj
*command
= 0, *const *caseList
= 0, *strObj
;
10335 Jim_Obj
*script
= 0;
10336 if (argc
< 3) goto wrongnumargs
;
10337 for (opt
=1; opt
< argc
; ++opt
) {
10338 const char *option
= Jim_GetString(argv
[opt
], 0);
10339 if (*option
!= '-') break;
10340 else if (strncmp(option
, "--", 2) == 0) { ++opt
; break; }
10341 else if (strncmp(option
, "-exact", 2) == 0) matchOpt
= SWITCH_EXACT
;
10342 else if (strncmp(option
, "-glob", 2) == 0) matchOpt
= SWITCH_GLOB
;
10343 else if (strncmp(option
, "-regexp", 2) == 0) matchOpt
= SWITCH_RE
;
10344 else if (strncmp(option
, "-command", 2) == 0) { matchOpt
= SWITCH_CMD
;
10345 if ((argc
- opt
) < 2) goto wrongnumargs
;
10346 command
= argv
[++opt
];
10348 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10349 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10350 "bad option \"", option
, "\": must be -exact, -glob, "
10351 "-regexp, -command procname or --", 0);
10354 if ((argc
- opt
) < 2) goto wrongnumargs
;
10356 strObj
= argv
[opt
++];
10357 patCount
= argc
- opt
;
10358 if (patCount
== 1) {
10360 JimListGetElements(interp
, argv
[opt
], &patCount
, &vector
);
10363 caseList
= &argv
[opt
];
10364 if (patCount
== 0 || patCount
% 2 != 0) goto wrongnumargs
;
10365 for (i
=0; script
== 0 && i
< patCount
; i
+= 2) {
10366 Jim_Obj
*patObj
= caseList
[i
];
10367 if (!Jim_CompareStringImmediate(interp
, patObj
, "default")
10368 || i
< (patCount
-2)) {
10369 switch (matchOpt
) {
10371 if (Jim_StringEqObj(strObj
, patObj
, 0))
10372 script
= caseList
[i
+1];
10375 if (Jim_StringMatchObj(patObj
, strObj
, 0))
10376 script
= caseList
[i
+1];
10379 command
= Jim_NewStringObj(interp
, "regexp", -1);
10380 /* Fall thru intentionally */
10382 Jim_Obj
*parms
[] = {command
, patObj
, strObj
};
10383 int rc
= Jim_EvalObjVector(interp
, 3, parms
);
10385 /* After the execution of a command we need to
10386 * make sure to reconvert the object into a list
10387 * again. Only for the single-list style [switch]. */
10388 if (argc
-opt
== 1) {
10390 JimListGetElements(interp
, argv
[opt
], &patCount
,
10394 /* command is here already decref'd */
10395 if (rc
!= JIM_OK
) {
10399 rc
= Jim_GetLong(interp
, Jim_GetResult(interp
), &matching
);
10400 if (rc
!= JIM_OK
) {
10405 script
= caseList
[i
+1];
10409 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10410 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10411 "internal error: no such option implemented", 0);
10415 script
= caseList
[i
+1];
10418 for(; i
< patCount
&& Jim_CompareStringImmediate(interp
, script
, "-");
10420 script
= caseList
[i
+1];
10421 if (script
&& Jim_CompareStringImmediate(interp
, script
, "-")) {
10422 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10423 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10424 "no body specified for pattern \"",
10425 Jim_GetString(caseList
[i
-2], 0), "\"", 0);
10429 Jim_SetEmptyResult(interp
);
10431 retcode
= Jim_EvalObj(interp
, script
);
10434 Jim_WrongNumArgs(interp
, 1, argv
, "?options? string "
10435 "pattern body ... ?default body? or "
10436 "{pattern body ?pattern body ...?}");
10442 static int Jim_ListCoreCommand(Jim_Interp
*interp
, int argc
,
10443 Jim_Obj
*const *argv
)
10445 Jim_Obj
*listObjPtr
;
10447 listObjPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10448 Jim_SetResult(interp
, listObjPtr
);
10453 static int Jim_LindexCoreCommand(Jim_Interp
*interp
, int argc
,
10454 Jim_Obj
*const *argv
)
10456 Jim_Obj
*objPtr
, *listObjPtr
;
10461 Jim_WrongNumArgs(interp
, 1, argv
, "list index ?...?");
10465 Jim_IncrRefCount(objPtr
);
10466 for (i
= 2; i
< argc
; i
++) {
10467 listObjPtr
= objPtr
;
10468 if (Jim_GetIndex(interp
, argv
[i
], &index
) != JIM_OK
) {
10469 Jim_DecrRefCount(interp
, listObjPtr
);
10472 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
10473 JIM_NONE
) != JIM_OK
) {
10474 /* Returns an empty object if the index
10475 * is out of range. */
10476 Jim_DecrRefCount(interp
, listObjPtr
);
10477 Jim_SetEmptyResult(interp
);
10480 Jim_IncrRefCount(objPtr
);
10481 Jim_DecrRefCount(interp
, listObjPtr
);
10483 Jim_SetResult(interp
, objPtr
);
10484 Jim_DecrRefCount(interp
, objPtr
);
10489 static int Jim_LlengthCoreCommand(Jim_Interp
*interp
, int argc
,
10490 Jim_Obj
*const *argv
)
10495 Jim_WrongNumArgs(interp
, 1, argv
, "list");
10498 Jim_ListLength(interp
, argv
[1], &len
);
10499 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
10504 static int Jim_LappendCoreCommand(Jim_Interp
*interp
, int argc
,
10505 Jim_Obj
*const *argv
)
10507 Jim_Obj
*listObjPtr
;
10511 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10514 listObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10516 /* Create the list if it does not exists */
10517 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10518 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10519 Jim_FreeNewObj(interp
, listObjPtr
);
10523 shared
= Jim_IsShared(listObjPtr
);
10525 listObjPtr
= Jim_DuplicateObj(interp
, listObjPtr
);
10526 for (i
= 2; i
< argc
; i
++)
10527 Jim_ListAppendElement(interp
, listObjPtr
, argv
[i
]);
10528 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10530 Jim_FreeNewObj(interp
, listObjPtr
);
10533 Jim_SetResult(interp
, listObjPtr
);
10538 static int Jim_LinsertCoreCommand(Jim_Interp
*interp
, int argc
,
10539 Jim_Obj
*const *argv
)
10545 Jim_WrongNumArgs(interp
, 1, argv
, "list index element "
10550 if (Jim_IsShared(listPtr
))
10551 listPtr
= Jim_DuplicateObj(interp
, listPtr
);
10552 if (Jim_GetIndex(interp
, argv
[2], &index
) != JIM_OK
)
10554 Jim_ListLength(interp
, listPtr
, &len
);
10557 else if (index
< 0)
10558 index
= len
+ index
+ 1;
10559 Jim_ListInsertElements(interp
, listPtr
, index
, argc
-3, &argv
[3]);
10560 Jim_SetResult(interp
, listPtr
);
10563 if (listPtr
!= argv
[1]) {
10564 Jim_FreeNewObj(interp
, listPtr
);
10570 static int Jim_LsetCoreCommand(Jim_Interp
*interp
, int argc
,
10571 Jim_Obj
*const *argv
)
10574 Jim_WrongNumArgs(interp
, 1, argv
, "listVar ?index...? newVal");
10576 } else if (argc
== 3) {
10577 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
10579 Jim_SetResult(interp
, argv
[2]);
10582 if (Jim_SetListIndex(interp
, argv
[1], argv
+2, argc
-3, argv
[argc
-1])
10583 == JIM_ERR
) return JIM_ERR
;
10588 static int Jim_LsortCoreCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const argv
[])
10590 const char *options
[] = {
10591 "-ascii", "-nocase", "-increasing", "-decreasing", NULL
10593 enum {OPT_ASCII
, OPT_NOCASE
, OPT_INCREASING
, OPT_DECREASING
};
10595 int i
, lsortType
= JIM_LSORT_ASCII
; /* default sort type */
10596 int decreasing
= 0;
10599 Jim_WrongNumArgs(interp
, 1, argv
, "?options? list");
10602 for (i
= 1; i
< (argc
-1); i
++) {
10605 if (Jim_GetEnum(interp
, argv
[i
], options
, &option
, "option", JIM_ERRMSG
)
10609 case OPT_ASCII
: lsortType
= JIM_LSORT_ASCII
; break;
10610 case OPT_NOCASE
: lsortType
= JIM_LSORT_NOCASE
; break;
10611 case OPT_INCREASING
: decreasing
= 0; break;
10612 case OPT_DECREASING
: decreasing
= 1; break;
10616 switch(lsortType
) {
10617 case JIM_LSORT_ASCII
: lsortType
= JIM_LSORT_ASCII_DECR
; break;
10618 case JIM_LSORT_NOCASE
: lsortType
= JIM_LSORT_NOCASE_DECR
; break;
10621 resObj
= Jim_DuplicateObj(interp
, argv
[argc
-1]);
10622 ListSortElements(interp
, resObj
, lsortType
);
10623 Jim_SetResult(interp
, resObj
);
10628 static int Jim_AppendCoreCommand(Jim_Interp
*interp
, int argc
,
10629 Jim_Obj
*const *argv
)
10631 Jim_Obj
*stringObjPtr
;
10635 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10639 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
10640 if (!stringObjPtr
) return JIM_ERR
;
10642 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10643 if (!stringObjPtr
) {
10644 /* Create the string if it does not exists */
10645 stringObjPtr
= Jim_NewEmptyStringObj(interp
);
10646 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
)
10648 Jim_FreeNewObj(interp
, stringObjPtr
);
10653 shared
= Jim_IsShared(stringObjPtr
);
10655 stringObjPtr
= Jim_DuplicateObj(interp
, stringObjPtr
);
10656 for (i
= 2; i
< argc
; i
++)
10657 Jim_AppendObj(interp
, stringObjPtr
, argv
[i
]);
10658 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
) != JIM_OK
) {
10660 Jim_FreeNewObj(interp
, stringObjPtr
);
10663 Jim_SetResult(interp
, stringObjPtr
);
10668 static int Jim_DebugCoreCommand(Jim_Interp
*interp
, int argc
,
10669 Jim_Obj
*const *argv
)
10671 const char *options
[] = {
10672 "refcount", "objcount", "objects", "invstr", "scriptlen", "exprlen",
10677 OPT_REFCOUNT
, OPT_OBJCOUNT
, OPT_OBJECTS
, OPT_INVSTR
, OPT_SCRIPTLEN
,
10678 OPT_EXPRLEN
, OPT_EXPRBC
10683 Jim_WrongNumArgs(interp
, 1, argv
, "option ?...?");
10686 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
10687 JIM_ERRMSG
) != JIM_OK
)
10689 if (option
== OPT_REFCOUNT
) {
10691 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10694 Jim_SetResult(interp
, Jim_NewIntObj(interp
, argv
[2]->refCount
));
10696 } else if (option
== OPT_OBJCOUNT
) {
10697 int freeobj
= 0, liveobj
= 0;
10702 Jim_WrongNumArgs(interp
, 2, argv
, "");
10705 /* Count the number of free objects. */
10706 objPtr
= interp
->freeList
;
10709 objPtr
= objPtr
->nextObjPtr
;
10711 /* Count the number of live objects. */
10712 objPtr
= interp
->liveList
;
10715 objPtr
= objPtr
->nextObjPtr
;
10717 /* Set the result string and return. */
10718 sprintf(buf
, "free %d used %d", freeobj
, liveobj
);
10719 Jim_SetResultString(interp
, buf
, -1);
10721 } else if (option
== OPT_OBJECTS
) {
10722 Jim_Obj
*objPtr
, *listObjPtr
, *subListObjPtr
;
10723 /* Count the number of live objects. */
10724 objPtr
= interp
->liveList
;
10725 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10728 const char *type
= objPtr
->typePtr
?
10729 objPtr
->typePtr
->name
: "";
10730 subListObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10731 sprintf(buf
, "%p", objPtr
);
10732 Jim_ListAppendElement(interp
, subListObjPtr
,
10733 Jim_NewStringObj(interp
, buf
, -1));
10734 Jim_ListAppendElement(interp
, subListObjPtr
,
10735 Jim_NewStringObj(interp
, type
, -1));
10736 Jim_ListAppendElement(interp
, subListObjPtr
,
10737 Jim_NewIntObj(interp
, objPtr
->refCount
));
10738 Jim_ListAppendElement(interp
, subListObjPtr
, objPtr
);
10739 Jim_ListAppendElement(interp
, listObjPtr
, subListObjPtr
);
10740 objPtr
= objPtr
->nextObjPtr
;
10742 Jim_SetResult(interp
, listObjPtr
);
10744 } else if (option
== OPT_INVSTR
) {
10748 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10752 if (objPtr
->typePtr
!= NULL
)
10753 Jim_InvalidateStringRep(objPtr
);
10754 Jim_SetEmptyResult(interp
);
10756 } else if (option
== OPT_SCRIPTLEN
) {
10759 Jim_WrongNumArgs(interp
, 2, argv
, "script");
10762 script
= Jim_GetScript(interp
, argv
[2]);
10763 Jim_SetResult(interp
, Jim_NewIntObj(interp
, script
->len
));
10765 } else if (option
== OPT_EXPRLEN
) {
10766 ExprByteCode
*expr
;
10768 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10771 expr
= Jim_GetExpression(interp
, argv
[2]);
10774 Jim_SetResult(interp
, Jim_NewIntObj(interp
, expr
->len
));
10776 } else if (option
== OPT_EXPRBC
) {
10778 ExprByteCode
*expr
;
10782 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10785 expr
= Jim_GetExpression(interp
, argv
[2]);
10788 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
10789 for (i
= 0; i
< expr
->len
; i
++) {
10791 Jim_ExprOperator
*op
;
10793 switch(expr
->opcode
[i
]) {
10794 case JIM_EXPROP_NUMBER
: type
= "number"; break;
10795 case JIM_EXPROP_COMMAND
: type
= "command"; break;
10796 case JIM_EXPROP_VARIABLE
: type
= "variable"; break;
10797 case JIM_EXPROP_DICTSUGAR
: type
= "dictsugar"; break;
10798 case JIM_EXPROP_SUBST
: type
= "subst"; break;
10799 case JIM_EXPROP_STRING
: type
= "string"; break;
10801 op
= JimExprOperatorInfo(Jim_GetString(expr
->obj
[i
], NULL
));
10809 Jim_ListAppendElement(interp
, objPtr
,
10810 Jim_NewStringObj(interp
, type
, -1));
10811 Jim_ListAppendElement(interp
, objPtr
, expr
->obj
[i
]);
10813 Jim_SetResult(interp
, objPtr
);
10816 Jim_SetResultString(interp
,
10817 "bad option. Valid options are refcount, "
10818 "objcount, objects, invstr", -1);
10821 return JIM_OK
; /* unreached */
10825 static int Jim_EvalCoreCommand(Jim_Interp
*interp
, int argc
,
10826 Jim_Obj
*const *argv
)
10829 return Jim_EvalObj(interp
, argv
[1]);
10830 } else if (argc
> 2) {
10834 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10835 Jim_IncrRefCount(objPtr
);
10836 retcode
= Jim_EvalObj(interp
, objPtr
);
10837 Jim_DecrRefCount(interp
, objPtr
);
10840 Jim_WrongNumArgs(interp
, 1, argv
, "script ?...?");
10846 static int Jim_UplevelCoreCommand(Jim_Interp
*interp
, int argc
,
10847 Jim_Obj
*const *argv
)
10850 int retcode
, newLevel
, oldLevel
;
10851 Jim_CallFrame
*savedCallFrame
, *targetCallFrame
;
10855 /* Save the old callframe pointer */
10856 savedCallFrame
= interp
->framePtr
;
10858 /* Lookup the target frame pointer */
10859 str
= Jim_GetString(argv
[1], NULL
);
10860 if ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#')
10862 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
10864 &newLevel
) != JIM_OK
)
10869 if (Jim_GetCallFrameByLevel(interp
, NULL
,
10871 &newLevel
) != JIM_OK
)
10877 Jim_WrongNumArgs(interp
, 1, argv
,
10878 "?level? command ?arg ...?");
10881 /* Eval the code in the target callframe. */
10882 interp
->framePtr
= targetCallFrame
;
10883 oldLevel
= interp
->numLevels
;
10884 interp
->numLevels
= newLevel
;
10886 retcode
= Jim_EvalObj(interp
, argv
[1]);
10888 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10889 Jim_IncrRefCount(objPtr
);
10890 retcode
= Jim_EvalObj(interp
, objPtr
);
10891 Jim_DecrRefCount(interp
, objPtr
);
10893 interp
->numLevels
= oldLevel
;
10894 interp
->framePtr
= savedCallFrame
;
10897 Jim_WrongNumArgs(interp
, 1, argv
, "?level? command ?arg ...?");
10903 static int Jim_ExprCoreCommand(Jim_Interp
*interp
, int argc
,
10904 Jim_Obj
*const *argv
)
10906 Jim_Obj
*exprResultPtr
;
10910 retcode
= Jim_EvalExpression(interp
, argv
[1], &exprResultPtr
);
10911 } else if (argc
> 2) {
10914 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10915 Jim_IncrRefCount(objPtr
);
10916 retcode
= Jim_EvalExpression(interp
, objPtr
, &exprResultPtr
);
10917 Jim_DecrRefCount(interp
, objPtr
);
10919 Jim_WrongNumArgs(interp
, 1, argv
, "expression ?...?");
10922 if (retcode
!= JIM_OK
) return retcode
;
10923 Jim_SetResult(interp
, exprResultPtr
);
10924 Jim_DecrRefCount(interp
, exprResultPtr
);
10929 static int Jim_BreakCoreCommand(Jim_Interp
*interp
, int argc
,
10930 Jim_Obj
*const *argv
)
10933 Jim_WrongNumArgs(interp
, 1, argv
, "");
10940 static int Jim_ContinueCoreCommand(Jim_Interp
*interp
, int argc
,
10941 Jim_Obj
*const *argv
)
10944 Jim_WrongNumArgs(interp
, 1, argv
, "");
10947 return JIM_CONTINUE
;
10951 static int Jim_ReturnCoreCommand(Jim_Interp
*interp
, int argc
,
10952 Jim_Obj
*const *argv
)
10956 } else if (argc
== 2) {
10957 Jim_SetResult(interp
, argv
[1]);
10958 interp
->returnCode
= JIM_OK
;
10960 } else if (argc
== 3 || argc
== 4) {
10962 if (Jim_GetReturnCode(interp
, argv
[2], &returnCode
) == JIM_ERR
)
10964 interp
->returnCode
= returnCode
;
10966 Jim_SetResult(interp
, argv
[3]);
10969 Jim_WrongNumArgs(interp
, 1, argv
, "?-code code? ?result?");
10972 return JIM_RETURN
; /* unreached */
10976 static int Jim_TailcallCoreCommand(Jim_Interp
*interp
, int argc
,
10977 Jim_Obj
*const *argv
)
10981 objPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10982 Jim_SetResult(interp
, objPtr
);
10987 static int Jim_ProcCoreCommand(Jim_Interp
*interp
, int argc
,
10988 Jim_Obj
*const *argv
)
10991 int arityMin
, arityMax
;
10993 if (argc
!= 4 && argc
!= 5) {
10994 Jim_WrongNumArgs(interp
, 1, argv
, "name arglist ?statics? body");
10997 Jim_ListLength(interp
, argv
[2], &argListLen
);
10998 arityMin
= arityMax
= argListLen
+1;
11005 /* Check for 'args' and adjust arityMin and arityMax if necessary */
11006 Jim_ListIndex(interp
, argv
[2], argListLen
-1, &argPtr
, JIM_NONE
);
11007 str
= Jim_GetString(argPtr
, &len
);
11008 if (len
== 4 && memcmp(str
, "args", 4) == 0) {
11013 /* Check for default arguments and reduce arityMin if necessary */
11014 while (arityMin
> 1) {
11016 Jim_ListIndex(interp
, argv
[2], arityMin
- 2, &argPtr
, JIM_NONE
);
11017 Jim_ListLength(interp
, argPtr
, &len
);
11019 /* No default argument */
11026 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
11027 argv
[2], NULL
, argv
[3], arityMin
, arityMax
);
11029 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
11030 argv
[2], argv
[3], argv
[4], arityMin
, arityMax
);
11035 static int Jim_ConcatCoreCommand(Jim_Interp
*interp
, int argc
,
11036 Jim_Obj
*const *argv
)
11038 Jim_SetResult(interp
, Jim_ConcatObj(interp
, argc
-1, argv
+1));
11043 static int Jim_UpvarCoreCommand(Jim_Interp
*interp
, int argc
,
11044 Jim_Obj
*const *argv
)
11048 Jim_CallFrame
*targetCallFrame
;
11050 /* Lookup the target frame pointer */
11051 str
= Jim_GetString(argv
[1], NULL
);
11053 ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#'))
11055 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
11056 &targetCallFrame
, NULL
) != JIM_OK
)
11061 if (Jim_GetCallFrameByLevel(interp
, NULL
,
11062 &targetCallFrame
, NULL
) != JIM_OK
)
11065 /* Check for arity */
11066 if (argc
< 3 || ((argc
-1)%2) != 0) {
11067 Jim_WrongNumArgs(interp
, 1, argv
, "?level? otherVar localVar ?otherVar localVar ...?");
11070 /* Now... for every other/local couple: */
11071 for (i
= 1; i
< argc
; i
+= 2) {
11072 if (Jim_SetVariableLink(interp
, argv
[i
+1], argv
[i
],
11073 targetCallFrame
) != JIM_OK
) return JIM_ERR
;
11079 static int Jim_GlobalCoreCommand(Jim_Interp
*interp
, int argc
,
11080 Jim_Obj
*const *argv
)
11085 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
11088 /* Link every var to the toplevel having the same name */
11089 if (interp
->numLevels
== 0) return JIM_OK
; /* global at toplevel... */
11090 for (i
= 1; i
< argc
; i
++) {
11091 if (Jim_SetVariableLink(interp
, argv
[i
], argv
[i
],
11092 interp
->topFramePtr
) != JIM_OK
) return JIM_ERR
;
11097 /* does the [string map] operation. On error NULL is returned,
11098 * otherwise a new string object with the result, having refcount = 0,
11100 static Jim_Obj
*JimStringMap(Jim_Interp
*interp
, Jim_Obj
*mapListObjPtr
,
11101 Jim_Obj
*objPtr
, int nocase
)
11104 const char **key
, *str
, *noMatchStart
= NULL
;
11106 int *keyLen
, strLen
, i
;
11107 Jim_Obj
*resultObjPtr
;
11109 Jim_ListLength(interp
, mapListObjPtr
, &numMaps
);
11111 Jim_SetResultString(interp
,
11112 "list must contain an even number of elements", -1);
11115 /* Initialization */
11117 key
= Jim_Alloc(sizeof(char*)*numMaps
);
11118 keyLen
= Jim_Alloc(sizeof(int)*numMaps
);
11119 value
= Jim_Alloc(sizeof(Jim_Obj
*)*numMaps
);
11120 resultObjPtr
= Jim_NewStringObj(interp
, "", 0);
11121 for (i
= 0; i
< numMaps
; i
++) {
11122 Jim_Obj
*eleObjPtr
;
11124 Jim_ListIndex(interp
, mapListObjPtr
, i
*2, &eleObjPtr
, JIM_NONE
);
11125 key
[i
] = Jim_GetString(eleObjPtr
, &keyLen
[i
]);
11126 Jim_ListIndex(interp
, mapListObjPtr
, i
*2+1, &eleObjPtr
, JIM_NONE
);
11127 value
[i
] = eleObjPtr
;
11129 str
= Jim_GetString(objPtr
, &strLen
);
11132 for (i
= 0; i
< numMaps
; i
++) {
11133 if (strLen
>= keyLen
[i
] && keyLen
[i
]) {
11134 if (!JimStringCompare(str
, keyLen
[i
], key
[i
], keyLen
[i
],
11137 if (noMatchStart
) {
11138 Jim_AppendString(interp
, resultObjPtr
,
11139 noMatchStart
, str
-noMatchStart
);
11140 noMatchStart
= NULL
;
11142 Jim_AppendObj(interp
, resultObjPtr
, value
[i
]);
11144 strLen
-= keyLen
[i
];
11149 if (i
== numMaps
) { /* no match */
11150 if (noMatchStart
== NULL
)
11151 noMatchStart
= str
;
11156 if (noMatchStart
) {
11157 Jim_AppendString(interp
, resultObjPtr
,
11158 noMatchStart
, str
-noMatchStart
);
11160 Jim_Free((void*)key
);
11163 return resultObjPtr
;
11167 static int Jim_StringCoreCommand(Jim_Interp
*interp
, int argc
,
11168 Jim_Obj
*const *argv
)
11171 const char *options
[] = {
11172 "length", "compare", "match", "equal", "range", "map", "repeat",
11173 "index", "first", "tolower", "toupper", NULL
11176 OPT_LENGTH
, OPT_COMPARE
, OPT_MATCH
, OPT_EQUAL
, OPT_RANGE
,
11177 OPT_MAP
, OPT_REPEAT
, OPT_INDEX
, OPT_FIRST
, OPT_TOLOWER
, OPT_TOUPPER
11181 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11184 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11185 JIM_ERRMSG
) != JIM_OK
)
11188 if (option
== OPT_LENGTH
) {
11192 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11195 Jim_GetString(argv
[2], &len
);
11196 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
11198 } else if (option
== OPT_COMPARE
) {
11200 if ((argc
!= 4 && argc
!= 5) ||
11201 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11202 argv
[2], "-nocase") == 0)) {
11203 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11210 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11211 Jim_StringCompareObj(argv
[2],
11212 argv
[3], nocase
)));
11214 } else if (option
== OPT_MATCH
) {
11216 if ((argc
!= 4 && argc
!= 5) ||
11217 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11218 argv
[2], "-nocase") == 0)) {
11219 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? pattern "
11227 Jim_SetResult(interp
,
11228 Jim_NewIntObj(interp
, Jim_StringMatchObj(argv
[2],
11229 argv
[3], nocase
)));
11231 } else if (option
== OPT_EQUAL
) {
11233 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11236 Jim_SetResult(interp
,
11237 Jim_NewIntObj(interp
, Jim_StringEqObj(argv
[2],
11240 } else if (option
== OPT_RANGE
) {
11244 Jim_WrongNumArgs(interp
, 2, argv
, "string first last");
11247 objPtr
= Jim_StringRangeObj(interp
, argv
[2], argv
[3], argv
[4]);
11248 if (objPtr
== NULL
)
11250 Jim_SetResult(interp
, objPtr
);
11252 } else if (option
== OPT_MAP
) {
11256 if ((argc
!= 4 && argc
!= 5) ||
11257 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11258 argv
[2], "-nocase") == 0)) {
11259 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? mapList "
11267 objPtr
= JimStringMap(interp
, argv
[2], argv
[3], nocase
);
11268 if (objPtr
== NULL
)
11270 Jim_SetResult(interp
, objPtr
);
11272 } else if (option
== OPT_REPEAT
) {
11277 Jim_WrongNumArgs(interp
, 2, argv
, "string count");
11280 if (Jim_GetWide(interp
, argv
[3], &count
) != JIM_OK
)
11282 objPtr
= Jim_NewStringObj(interp
, "", 0);
11284 Jim_AppendObj(interp
, objPtr
, argv
[2]);
11286 Jim_SetResult(interp
, objPtr
);
11288 } else if (option
== OPT_INDEX
) {
11293 Jim_WrongNumArgs(interp
, 2, argv
, "string index");
11296 if (Jim_GetIndex(interp
, argv
[3], &index
) != JIM_OK
)
11298 str
= Jim_GetString(argv
[2], &len
);
11299 if (index
!= INT_MIN
&& index
!= INT_MAX
)
11300 index
= JimRelToAbsIndex(len
, index
);
11301 if (index
< 0 || index
>= len
) {
11302 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11305 Jim_SetResult(interp
, Jim_NewStringObj(interp
, str
+index
, 1));
11308 } else if (option
== OPT_FIRST
) {
11309 int index
= 0, l1
, l2
;
11310 const char *s1
, *s2
;
11312 if (argc
!= 4 && argc
!= 5) {
11313 Jim_WrongNumArgs(interp
, 2, argv
, "subString string ?startIndex?");
11316 s1
= Jim_GetString(argv
[2], &l1
);
11317 s2
= Jim_GetString(argv
[3], &l2
);
11319 if (Jim_GetIndex(interp
, argv
[4], &index
) != JIM_OK
)
11321 index
= JimRelToAbsIndex(l2
, index
);
11323 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11324 JimStringFirst(s1
, l1
, s2
, l2
, index
)));
11326 } else if (option
== OPT_TOLOWER
) {
11328 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11331 Jim_SetResult(interp
, JimStringToLower(interp
, argv
[2]));
11332 } else if (option
== OPT_TOUPPER
) {
11334 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11337 Jim_SetResult(interp
, JimStringToUpper(interp
, argv
[2]));
11343 static int Jim_TimeCoreCommand(Jim_Interp
*interp
, int argc
,
11344 Jim_Obj
*const *argv
)
11347 jim_wide start
, elapsed
;
11349 const char *fmt
= "%" JIM_WIDE_MODIFIER
" microseconds per iteration";
11352 Jim_WrongNumArgs(interp
, 1, argv
, "script ?count?");
11356 if (Jim_GetLong(interp
, argv
[2], &count
) != JIM_OK
)
11362 start
= JimClock();
11366 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
11369 elapsed
= JimClock() - start
;
11370 sprintf(buf
, fmt
, elapsed
/count
);
11371 Jim_SetResultString(interp
, buf
, -1);
11376 static int Jim_ExitCoreCommand(Jim_Interp
*interp
, int argc
,
11377 Jim_Obj
*const *argv
)
11382 Jim_WrongNumArgs(interp
, 1, argv
, "?exitCode?");
11386 if (Jim_GetLong(interp
, argv
[1], &exitCode
) != JIM_OK
)
11389 interp
->exitCode
= exitCode
;
11394 static int Jim_CatchCoreCommand(Jim_Interp
*interp
, int argc
,
11395 Jim_Obj
*const *argv
)
11399 if (argc
!= 2 && argc
!= 3) {
11400 Jim_WrongNumArgs(interp
, 1, argv
, "script ?varName?");
11403 exitCode
= Jim_EvalObj(interp
, argv
[1]);
11405 if (Jim_SetVariable(interp
, argv
[2], Jim_GetResult(interp
))
11409 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exitCode
));
11414 static int Jim_RefCoreCommand(Jim_Interp
*interp
, int argc
,
11415 Jim_Obj
*const *argv
)
11417 if (argc
!= 3 && argc
!= 4) {
11418 Jim_WrongNumArgs(interp
, 1, argv
, "string tag ?finalizer?");
11422 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2], NULL
));
11424 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2],
11431 static int Jim_GetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11432 Jim_Obj
*const *argv
)
11434 Jim_Reference
*refPtr
;
11437 Jim_WrongNumArgs(interp
, 1, argv
, "reference");
11440 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11442 Jim_SetResult(interp
, refPtr
->objPtr
);
11447 static int Jim_SetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11448 Jim_Obj
*const *argv
)
11450 Jim_Reference
*refPtr
;
11453 Jim_WrongNumArgs(interp
, 1, argv
, "reference newValue");
11456 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11458 Jim_IncrRefCount(argv
[2]);
11459 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
11460 refPtr
->objPtr
= argv
[2];
11461 Jim_SetResult(interp
, argv
[2]);
11466 static int Jim_CollectCoreCommand(Jim_Interp
*interp
, int argc
,
11467 Jim_Obj
*const *argv
)
11470 Jim_WrongNumArgs(interp
, 1, argv
, "");
11473 Jim_SetResult(interp
, Jim_NewIntObj(interp
, Jim_Collect(interp
)));
11477 /* [finalize] reference ?newValue? */
11478 static int Jim_FinalizeCoreCommand(Jim_Interp
*interp
, int argc
,
11479 Jim_Obj
*const *argv
)
11481 if (argc
!= 2 && argc
!= 3) {
11482 Jim_WrongNumArgs(interp
, 1, argv
, "reference ?finalizerProc?");
11486 Jim_Obj
*cmdNamePtr
;
11488 if (Jim_GetFinalizer(interp
, argv
[1], &cmdNamePtr
) != JIM_OK
)
11490 if (cmdNamePtr
!= NULL
) /* otherwise the null string is returned. */
11491 Jim_SetResult(interp
, cmdNamePtr
);
11493 if (Jim_SetFinalizer(interp
, argv
[1], argv
[2]) != JIM_OK
)
11495 Jim_SetResult(interp
, argv
[2]);
11501 /* [info references] (list of all the references/finalizers) */
11504 static int Jim_RenameCoreCommand(Jim_Interp
*interp
, int argc
,
11505 Jim_Obj
*const *argv
)
11507 const char *oldName
, *newName
;
11510 Jim_WrongNumArgs(interp
, 1, argv
, "oldName newName");
11513 oldName
= Jim_GetString(argv
[1], NULL
);
11514 newName
= Jim_GetString(argv
[2], NULL
);
11515 if (Jim_RenameCommand(interp
, oldName
, newName
) != JIM_OK
) {
11516 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11517 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11518 "can't rename \"", oldName
, "\": ",
11519 "command doesn't exist", NULL
);
11526 static int Jim_DictCoreCommand(Jim_Interp
*interp
, int argc
,
11527 Jim_Obj
*const *argv
)
11530 const char *options
[] = {
11531 "create", "get", "set", "unset", "exists", NULL
11534 OPT_CREATE
, OPT_GET
, OPT_SET
, OPT_UNSET
, OPT_EXIST
11538 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11542 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11543 JIM_ERRMSG
) != JIM_OK
)
11546 if (option
== OPT_CREATE
) {
11550 Jim_WrongNumArgs(interp
, 2, argv
, "?key value ...?");
11553 objPtr
= Jim_NewDictObj(interp
, argv
+2, argc
-2);
11554 Jim_SetResult(interp
, objPtr
);
11556 } else if (option
== OPT_GET
) {
11559 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11560 JIM_ERRMSG
) != JIM_OK
)
11562 Jim_SetResult(interp
, objPtr
);
11564 } else if (option
== OPT_SET
) {
11566 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...? value");
11569 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-4,
11571 } else if (option
== OPT_UNSET
) {
11573 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...?");
11576 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-3,
11578 } else if (option
== OPT_EXIST
) {
11582 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11583 JIM_ERRMSG
) == JIM_OK
)
11587 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
));
11590 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11591 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11592 "bad option \"", Jim_GetString(argv
[1], NULL
), "\":",
11593 " must be create, get, set", NULL
);
11600 static int Jim_LoadCoreCommand(Jim_Interp
*interp
, int argc
,
11601 Jim_Obj
*const *argv
)
11604 Jim_WrongNumArgs(interp
, 1, argv
, "libaryFile");
11607 return Jim_LoadLibrary(interp
, Jim_GetString(argv
[1], NULL
));
11611 static int Jim_SubstCoreCommand(Jim_Interp
*interp
, int argc
,
11612 Jim_Obj
*const *argv
)
11618 Jim_WrongNumArgs(interp
, 1, argv
,
11619 "?-nobackslashes? ?-nocommands? ?-novariables? string");
11624 if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11626 flags
|= JIM_SUBST_NOESC
;
11627 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11629 flags
|= JIM_SUBST_NOVAR
;
11630 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11632 flags
|= JIM_SUBST_NOCMD
;
11634 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11635 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11636 "bad option \"", Jim_GetString(argv
[i
+1], NULL
),
11637 "\": must be -nobackslashes, -nocommands, or "
11638 "-novariables", NULL
);
11642 if (Jim_SubstObj(interp
, argv
[argc
-1], &objPtr
, flags
) != JIM_OK
)
11644 Jim_SetResult(interp
, objPtr
);
11649 static int Jim_InfoCoreCommand(Jim_Interp
*interp
, int argc
,
11650 Jim_Obj
*const *argv
)
11652 int cmd
, result
= JIM_OK
;
11653 static const char *commands
[] = {
11654 "body", "commands", "exists", "globals", "level", "locals",
11655 "vars", "version", "complete", "args", "hostname", NULL
11657 enum {INFO_BODY
, INFO_COMMANDS
, INFO_EXISTS
, INFO_GLOBALS
, INFO_LEVEL
,
11658 INFO_LOCALS
, INFO_VARS
, INFO_VERSION
, INFO_COMPLETE
, INFO_ARGS
, INFO_HOSTNAME
};
11661 Jim_WrongNumArgs(interp
, 1, argv
, "command ?args ...?");
11664 if (Jim_GetEnum(interp
, argv
[1], commands
, &cmd
, "command", JIM_ERRMSG
)
11669 if (cmd
== INFO_COMMANDS
) {
11670 if (argc
!= 2 && argc
!= 3) {
11671 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11675 Jim_SetResult(interp
,JimCommandsList(interp
, argv
[2]));
11677 Jim_SetResult(interp
, JimCommandsList(interp
, NULL
));
11678 } else if (cmd
== INFO_EXISTS
) {
11681 Jim_WrongNumArgs(interp
, 2, argv
, "varName");
11684 exists
= Jim_GetVariable(interp
, argv
[2], 0);
11685 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
!= 0));
11686 } else if (cmd
== INFO_GLOBALS
|| cmd
== INFO_LOCALS
|| cmd
== INFO_VARS
) {
11689 case INFO_GLOBALS
: mode
= JIM_VARLIST_GLOBALS
; break;
11690 case INFO_LOCALS
: mode
= JIM_VARLIST_LOCALS
; break;
11691 case INFO_VARS
: mode
= JIM_VARLIST_VARS
; break;
11692 default: mode
= 0; /* avoid warning */; break;
11694 if (argc
!= 2 && argc
!= 3) {
11695 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11699 Jim_SetResult(interp
,JimVariablesList(interp
, argv
[2], mode
));
11701 Jim_SetResult(interp
, JimVariablesList(interp
, NULL
, mode
));
11702 } else if (cmd
== INFO_LEVEL
) {
11706 Jim_SetResult(interp
,
11707 Jim_NewIntObj(interp
, interp
->numLevels
));
11710 if (JimInfoLevel(interp
, argv
[2], &objPtr
) != JIM_OK
)
11712 Jim_SetResult(interp
, objPtr
);
11715 Jim_WrongNumArgs(interp
, 2, argv
, "?levelNum?");
11718 } else if (cmd
== INFO_BODY
|| cmd
== INFO_ARGS
) {
11722 Jim_WrongNumArgs(interp
, 2, argv
, "procname");
11725 if ((cmdPtr
= Jim_GetCommand(interp
, argv
[2], JIM_ERRMSG
)) == NULL
)
11727 if (cmdPtr
->cmdProc
!= NULL
) {
11728 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11729 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11730 "command \"", Jim_GetString(argv
[2], NULL
),
11731 "\" is not a procedure", NULL
);
11734 if (cmd
== INFO_BODY
)
11735 Jim_SetResult(interp
, cmdPtr
->bodyObjPtr
);
11737 Jim_SetResult(interp
, cmdPtr
->argListObjPtr
);
11738 } else if (cmd
== INFO_VERSION
) {
11739 char buf
[(JIM_INTEGER_SPACE
* 2) + 1];
11740 sprintf(buf
, "%d.%d",
11741 JIM_VERSION
/ 100, JIM_VERSION
% 100);
11742 Jim_SetResultString(interp
, buf
, -1);
11743 } else if (cmd
== INFO_COMPLETE
) {
11748 Jim_WrongNumArgs(interp
, 2, argv
, "script");
11751 s
= Jim_GetString(argv
[2], &len
);
11752 Jim_SetResult(interp
,
11753 Jim_NewIntObj(interp
, Jim_ScriptIsComplete(s
, len
, NULL
)));
11754 } else if (cmd
== INFO_HOSTNAME
) {
11755 /* Redirect to os.hostname if it exists */
11756 Jim_Obj
*command
= Jim_NewStringObj(interp
, "os.gethostname", -1);
11757 result
= Jim_EvalObjVector(interp
, 1, &command
);
11763 static int Jim_SplitCoreCommand(Jim_Interp
*interp
, int argc
,
11764 Jim_Obj
*const *argv
)
11766 const char *str
, *splitChars
, *noMatchStart
;
11767 int splitLen
, strLen
, i
;
11768 Jim_Obj
*resObjPtr
;
11770 if (argc
!= 2 && argc
!= 3) {
11771 Jim_WrongNumArgs(interp
, 1, argv
, "string ?splitChars?");
11776 splitChars
= " \n\t\r";
11779 splitChars
= Jim_GetString(argv
[2], &splitLen
);
11781 str
= Jim_GetString(argv
[1], &strLen
);
11782 if (!strLen
) return JIM_OK
;
11783 noMatchStart
= str
;
11784 resObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11788 for (i
= 0; i
< splitLen
; i
++) {
11789 if (*str
== splitChars
[i
]) {
11792 objPtr
= Jim_NewStringObj(interp
, noMatchStart
,
11793 (str
-noMatchStart
));
11794 Jim_ListAppendElement(interp
, resObjPtr
, objPtr
);
11795 noMatchStart
= str
+1;
11802 Jim_ListAppendElement(interp
, resObjPtr
,
11803 Jim_NewStringObj(interp
, noMatchStart
, (str
-noMatchStart
)));
11805 /* This handles the special case of splitchars eq {}. This
11806 * is trivial but we want to perform object sharing as Tcl does. */
11807 Jim_Obj
*objCache
[256];
11808 const unsigned char *u
= (unsigned char*) str
;
11809 memset(objCache
, 0, sizeof(objCache
));
11810 for (i
= 0; i
< strLen
; i
++) {
11813 if (objCache
[c
] == NULL
)
11814 objCache
[c
] = Jim_NewStringObj(interp
, (char*)u
+i
, 1);
11815 Jim_ListAppendElement(interp
, resObjPtr
, objCache
[c
]);
11818 Jim_SetResult(interp
, resObjPtr
);
11823 static int Jim_JoinCoreCommand(Jim_Interp
*interp
, int argc
,
11824 Jim_Obj
*const *argv
)
11826 const char *joinStr
;
11827 int joinStrLen
, i
, listLen
;
11828 Jim_Obj
*resObjPtr
;
11830 if (argc
!= 2 && argc
!= 3) {
11831 Jim_WrongNumArgs(interp
, 1, argv
, "list ?joinString?");
11839 joinStr
= Jim_GetString(argv
[2], &joinStrLen
);
11841 Jim_ListLength(interp
, argv
[1], &listLen
);
11842 resObjPtr
= Jim_NewStringObj(interp
, NULL
, 0);
11844 for (i
= 0; i
< listLen
; i
++) {
11847 Jim_ListIndex(interp
, argv
[1], i
, &objPtr
, JIM_NONE
);
11848 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
11849 if (i
+1 != listLen
) {
11850 Jim_AppendString(interp
, resObjPtr
, joinStr
, joinStrLen
);
11853 Jim_SetResult(interp
, resObjPtr
);
11858 static int Jim_FormatCoreCommand(Jim_Interp
*interp
, int argc
,
11859 Jim_Obj
*const *argv
)
11864 Jim_WrongNumArgs(interp
, 1, argv
, "formatString ?arg arg ...?");
11867 objPtr
= Jim_FormatString(interp
, argv
[1], argc
-2, argv
+2);
11868 if (objPtr
== NULL
)
11870 Jim_SetResult(interp
, objPtr
);
11875 static int Jim_ScanCoreCommand(Jim_Interp
*interp
, int argc
,
11876 Jim_Obj
*const *argv
)
11878 Jim_Obj
*listPtr
, **outVec
;
11879 int outc
, i
, count
= 0;
11882 Jim_WrongNumArgs(interp
, 1, argv
, "string formatString ?varName ...?");
11885 if (argv
[2]->typePtr
!= &scanFmtStringObjType
)
11886 SetScanFmtFromAny(interp
, argv
[2]);
11887 if (FormatGetError(argv
[2]) != 0) {
11888 Jim_SetResultString(interp
, FormatGetError(argv
[2]), -1);
11892 int maxPos
= FormatGetMaxPos(argv
[2]);
11893 int count
= FormatGetCnvCount(argv
[2]);
11894 if (maxPos
> argc
-3) {
11895 Jim_SetResultString(interp
, "\"%n$\" argument index out of range", -1);
11897 } else if (count
!= 0 && count
< argc
-3) {
11898 Jim_SetResultString(interp
, "variable is not assigned by any "
11899 "conversion specifiers", -1);
11901 } else if (count
> argc
-3) {
11902 Jim_SetResultString(interp
, "different numbers of variable names and "
11903 "field specifiers", -1);
11907 listPtr
= Jim_ScanString(interp
, argv
[1], argv
[2], JIM_ERRMSG
);
11912 if (listPtr
!= 0 && listPtr
!= (Jim_Obj
*)EOF
)
11913 Jim_ListLength(interp
, listPtr
, &len
);
11914 if (listPtr
== (Jim_Obj
*)EOF
|| len
== 0) { // XXX
11915 Jim_SetResult(interp
, Jim_NewIntObj(interp
, -1));
11918 JimListGetElements(interp
, listPtr
, &outc
, &outVec
);
11919 for (i
= 0; i
< outc
; ++i
) {
11920 if (Jim_Length(outVec
[i
]) > 0) {
11922 if (Jim_SetVariable(interp
, argv
[3+i
], outVec
[i
]) != JIM_OK
)
11926 Jim_FreeNewObj(interp
, listPtr
);
11927 Jim_SetResult(interp
, Jim_NewIntObj(interp
, count
));
11929 if (listPtr
== (Jim_Obj
*)EOF
) {
11930 Jim_SetResult(interp
, Jim_NewListObj(interp
, 0, 0));
11933 Jim_SetResult(interp
, listPtr
);
11937 Jim_FreeNewObj(interp
, listPtr
);
11942 static int Jim_ErrorCoreCommand(Jim_Interp
*interp
, int argc
,
11943 Jim_Obj
*const *argv
)
11946 Jim_WrongNumArgs(interp
, 1, argv
, "message");
11949 Jim_SetResult(interp
, argv
[1]);
11954 static int Jim_LrangeCoreCommand(Jim_Interp
*interp
, int argc
,
11955 Jim_Obj
*const *argv
)
11960 Jim_WrongNumArgs(interp
, 1, argv
, "list first last");
11963 if ((objPtr
= Jim_ListRange(interp
, argv
[1], argv
[2], argv
[3])) == NULL
)
11965 Jim_SetResult(interp
, objPtr
);
11970 static int Jim_EnvCoreCommand(Jim_Interp
*interp
, int argc
,
11971 Jim_Obj
*const *argv
)
11977 extern char **environ
;
11980 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11982 for (i
= 0; environ
[i
]; i
++) {
11983 const char *equals
= strchr(environ
[i
], '=');
11985 Jim_ListAppendElement(interp
, listObjPtr
, Jim_NewStringObj(interp
, environ
[i
], equals
- environ
[i
]));
11986 Jim_ListAppendElement(interp
, listObjPtr
, Jim_NewStringObj(interp
, equals
+ 1, -1));
11990 Jim_SetResult(interp
, listObjPtr
);
11995 Jim_WrongNumArgs(interp
, 1, argv
, "varName");
11998 key
= Jim_GetString(argv
[1], NULL
);
12001 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
12002 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
12003 "environment variable \"",
12004 key
, "\" does not exist", NULL
);
12007 Jim_SetResult(interp
, Jim_NewStringObj(interp
, val
, -1));
12012 static int Jim_SourceCoreCommand(Jim_Interp
*interp
, int argc
,
12013 Jim_Obj
*const *argv
)
12018 Jim_WrongNumArgs(interp
, 1, argv
, "fileName");
12021 retval
= Jim_EvalFile(interp
, Jim_GetString(argv
[1], NULL
));
12022 if (retval
== JIM_ERR
) {
12023 return JIM_ERR_ADDSTACK
;
12025 if (retval
== JIM_RETURN
)
12031 static int Jim_LreverseCoreCommand(Jim_Interp
*interp
, int argc
,
12032 Jim_Obj
*const *argv
)
12034 Jim_Obj
*revObjPtr
, **ele
;
12038 Jim_WrongNumArgs(interp
, 1, argv
, "list");
12041 JimListGetElements(interp
, argv
[1], &len
, &ele
);
12043 revObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
12045 ListAppendElement(revObjPtr
, ele
[len
--]);
12046 Jim_SetResult(interp
, revObjPtr
);
12050 static int JimRangeLen(jim_wide start
, jim_wide end
, jim_wide step
)
12054 if (step
== 0) return -1;
12055 if (start
== end
) return 0;
12056 else if (step
> 0 && start
> end
) return -1;
12057 else if (step
< 0 && end
> start
) return -1;
12059 if (len
< 0) len
= -len
; /* abs(len) */
12060 if (step
< 0) step
= -step
; /* abs(step) */
12061 len
= 1 + ((len
-1)/step
);
12062 /* We can truncate safely to INT_MAX, the range command
12063 * will always return an error for a such long range
12064 * because Tcl lists can't be so long. */
12065 if (len
> INT_MAX
) len
= INT_MAX
;
12066 return (int)((len
< 0) ? -1 : len
);
12070 static int Jim_RangeCoreCommand(Jim_Interp
*interp
, int argc
,
12071 Jim_Obj
*const *argv
)
12073 jim_wide start
= 0, end
, step
= 1;
12077 if (argc
< 2 || argc
> 4) {
12078 Jim_WrongNumArgs(interp
, 1, argv
, "?start? end ?step?");
12082 if (Jim_GetWide(interp
, argv
[1], &end
) != JIM_OK
)
12085 if (Jim_GetWide(interp
, argv
[1], &start
) != JIM_OK
||
12086 Jim_GetWide(interp
, argv
[2], &end
) != JIM_OK
)
12088 if (argc
== 4 && Jim_GetWide(interp
, argv
[3], &step
) != JIM_OK
)
12091 if ((len
= JimRangeLen(start
, end
, step
)) == -1) {
12092 Jim_SetResultString(interp
, "Invalid (infinite?) range specified", -1);
12095 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
12096 for (i
= 0; i
< len
; i
++)
12097 ListAppendElement(objPtr
, Jim_NewIntObj(interp
, start
+i
*step
));
12098 Jim_SetResult(interp
, objPtr
);
12103 static int Jim_RandCoreCommand(Jim_Interp
*interp
, int argc
,
12104 Jim_Obj
*const *argv
)
12106 jim_wide min
= 0, max
, len
, maxMul
;
12108 if (argc
< 1 || argc
> 3) {
12109 Jim_WrongNumArgs(interp
, 1, argv
, "?min? max");
12113 max
= JIM_WIDE_MAX
;
12114 } else if (argc
== 2) {
12115 if (Jim_GetWide(interp
, argv
[1], &max
) != JIM_OK
)
12117 } else if (argc
== 3) {
12118 if (Jim_GetWide(interp
, argv
[1], &min
) != JIM_OK
||
12119 Jim_GetWide(interp
, argv
[2], &max
) != JIM_OK
)
12124 Jim_SetResultString(interp
, "Invalid arguments (max < min)", -1);
12127 maxMul
= JIM_WIDE_MAX
- (len
? (JIM_WIDE_MAX
%len
) : 0);
12131 JimRandomBytes(interp
, &r
, sizeof(jim_wide
));
12132 if (r
< 0 || r
>= maxMul
) continue;
12133 r
= (len
== 0) ? 0 : r
%len
;
12134 Jim_SetResult(interp
, Jim_NewIntObj(interp
, min
+r
));
12140 static int Jim_PackageCoreCommand(Jim_Interp
*interp
, int argc
,
12141 Jim_Obj
*const *argv
)
12144 const char *options
[] = {
12145 "require", "provide", NULL
12147 enum {OPT_REQUIRE
, OPT_PROVIDE
};
12150 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
12153 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
12154 JIM_ERRMSG
) != JIM_OK
)
12157 if (option
== OPT_REQUIRE
) {
12161 if (Jim_CompareStringImmediate(interp
, argv
[2], "-exact")) {
12166 if (argc
!= 3 && argc
!= 4) {
12167 Jim_WrongNumArgs(interp
, 2, argv
, "?-exact? package ?version?");
12170 ver
= Jim_PackageRequire(interp
, Jim_GetString(argv
[2], NULL
),
12171 argc
== 4 ? Jim_GetString(argv
[3], NULL
) : "",
12174 return JIM_ERR_ADDSTACK
;
12175 Jim_SetResultString(interp
, ver
, -1);
12176 } else if (option
== OPT_PROVIDE
) {
12178 Jim_WrongNumArgs(interp
, 2, argv
, "package version");
12181 return Jim_PackageProvide(interp
, Jim_GetString(argv
[2], NULL
),
12182 Jim_GetString(argv
[3], NULL
), JIM_ERRMSG
);
12189 Jim_CmdProc cmdProc
;
12190 } Jim_CoreCommandsTable
[] = {
12191 {"set", Jim_SetCoreCommand
},
12192 {"unset", Jim_UnsetCoreCommand
},
12193 {"puts", Jim_PutsCoreCommand
},
12194 {"+", Jim_AddCoreCommand
},
12195 {"*", Jim_MulCoreCommand
},
12196 {"-", Jim_SubCoreCommand
},
12197 {"/", Jim_DivCoreCommand
},
12198 {"incr", Jim_IncrCoreCommand
},
12199 {"while", Jim_WhileCoreCommand
},
12200 {"for", Jim_ForCoreCommand
},
12201 {"foreach", Jim_ForeachCoreCommand
},
12202 {"lmap", Jim_LmapCoreCommand
},
12203 {"if", Jim_IfCoreCommand
},
12204 {"switch", Jim_SwitchCoreCommand
},
12205 {"list", Jim_ListCoreCommand
},
12206 {"lindex", Jim_LindexCoreCommand
},
12207 {"lset", Jim_LsetCoreCommand
},
12208 {"llength", Jim_LlengthCoreCommand
},
12209 {"lappend", Jim_LappendCoreCommand
},
12210 {"linsert", Jim_LinsertCoreCommand
},
12211 {"lsort", Jim_LsortCoreCommand
},
12212 {"append", Jim_AppendCoreCommand
},
12213 {"debug", Jim_DebugCoreCommand
},
12214 {"eval", Jim_EvalCoreCommand
},
12215 {"uplevel", Jim_UplevelCoreCommand
},
12216 {"expr", Jim_ExprCoreCommand
},
12217 {"break", Jim_BreakCoreCommand
},
12218 {"continue", Jim_ContinueCoreCommand
},
12219 {"proc", Jim_ProcCoreCommand
},
12220 {"concat", Jim_ConcatCoreCommand
},
12221 {"return", Jim_ReturnCoreCommand
},
12222 {"upvar", Jim_UpvarCoreCommand
},
12223 {"global", Jim_GlobalCoreCommand
},
12224 {"string", Jim_StringCoreCommand
},
12225 {"time", Jim_TimeCoreCommand
},
12226 {"exit", Jim_ExitCoreCommand
},
12227 {"catch", Jim_CatchCoreCommand
},
12228 {"ref", Jim_RefCoreCommand
},
12229 {"getref", Jim_GetrefCoreCommand
},
12230 {"setref", Jim_SetrefCoreCommand
},
12231 {"finalize", Jim_FinalizeCoreCommand
},
12232 {"collect", Jim_CollectCoreCommand
},
12233 {"rename", Jim_RenameCoreCommand
},
12234 {"dict", Jim_DictCoreCommand
},
12235 {"load", Jim_LoadCoreCommand
},
12236 {"subst", Jim_SubstCoreCommand
},
12237 {"info", Jim_InfoCoreCommand
},
12238 {"split", Jim_SplitCoreCommand
},
12239 {"join", Jim_JoinCoreCommand
},
12240 {"format", Jim_FormatCoreCommand
},
12241 {"scan", Jim_ScanCoreCommand
},
12242 {"error", Jim_ErrorCoreCommand
},
12243 {"lrange", Jim_LrangeCoreCommand
},
12244 {"env", Jim_EnvCoreCommand
},
12245 {"source", Jim_SourceCoreCommand
},
12246 {"lreverse", Jim_LreverseCoreCommand
},
12247 {"range", Jim_RangeCoreCommand
},
12248 {"rand", Jim_RandCoreCommand
},
12249 {"package", Jim_PackageCoreCommand
},
12250 {"tailcall", Jim_TailcallCoreCommand
},
12254 /* Some Jim core command is actually a procedure written in Jim itself. */
12255 static void Jim_RegisterCoreProcedures(Jim_Interp
*interp
)
12257 Jim_Eval(interp
, (char*)
12258 "proc lambda {arglist args} {\n"
12259 " set name [ref {} function lambdaFinalizer]\n"
12260 " uplevel 1 [list proc $name $arglist {expand}$args]\n"
12263 "proc lambdaFinalizer {name val} {\n"
12264 " rename $name {}\n"
12269 void Jim_RegisterCoreCommands(Jim_Interp
*interp
)
12273 while(Jim_CoreCommandsTable
[i
].name
!= NULL
) {
12274 Jim_CreateCommand(interp
,
12275 Jim_CoreCommandsTable
[i
].name
,
12276 Jim_CoreCommandsTable
[i
].cmdProc
,
12280 Jim_RegisterCoreProcedures(interp
);
12283 /* -----------------------------------------------------------------------------
12284 * Interactive prompt
12285 * ---------------------------------------------------------------------------*/
12286 void Jim_PrintErrorMessage(Jim_Interp
*interp
)
12290 if (*interp
->errorFileName
) {
12291 Jim_fprintf(interp
, interp
->cookie_stderr
, "Runtime error, file \"%s\", line %d:" JIM_NL
" ",
12292 interp
->errorFileName
, interp
->errorLine
);
12294 Jim_fprintf(interp
,interp
->cookie_stderr
, "%s" JIM_NL
,
12295 Jim_GetString(interp
->result
, NULL
));
12296 Jim_ListLength(interp
, interp
->stackTrace
, &len
);
12297 for (i
= len
-3; i
>= 0; i
-= 3) {
12299 const char *proc
, *file
, *line
;
12301 Jim_ListIndex(interp
, interp
->stackTrace
, i
, &objPtr
, JIM_NONE
);
12302 proc
= Jim_GetString(objPtr
, NULL
);
12303 Jim_ListIndex(interp
, interp
->stackTrace
, i
+1, &objPtr
,
12305 file
= Jim_GetString(objPtr
, NULL
);
12306 Jim_ListIndex(interp
, interp
->stackTrace
, i
+2, &objPtr
,
12308 line
= Jim_GetString(objPtr
, NULL
);
12310 Jim_fprintf( interp
, interp
->cookie_stderr
,
12311 "in procedure '%s' ", proc
);
12314 Jim_fprintf( interp
, interp
->cookie_stderr
,
12315 "called at file \"%s\", line %s",
12318 if (*file
|| *proc
) {
12319 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
);
12324 int Jim_InteractivePrompt(Jim_Interp
*interp
)
12326 int retcode
= JIM_OK
;
12327 Jim_Obj
*scriptObjPtr
;
12329 Jim_fprintf(interp
,interp
->cookie_stdout
, "Welcome to Jim version %d.%d, "
12330 "Copyright (c) 2005-8 Salvatore Sanfilippo" JIM_NL
,
12331 JIM_VERSION
/ 100, JIM_VERSION
% 100);
12332 Jim_SetVariableStrWithStr(interp
, "jim_interactive", "1");
12335 const char *result
;
12336 const char *retcodestr
[] = {
12337 "ok", "error", "return", "break", "continue", "eval", "exit"
12341 if (retcode
!= 0) {
12342 if (retcode
>= 2 && retcode
<= 6)
12343 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%s] . ", retcodestr
[retcode
]);
12345 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%d] . ", retcode
);
12347 Jim_fprintf( interp
, interp
->cookie_stdout
, ". ");
12348 Jim_fflush( interp
, interp
->cookie_stdout
);
12349 scriptObjPtr
= Jim_NewStringObj(interp
, "", 0);
12350 Jim_IncrRefCount(scriptObjPtr
);
12356 if ( Jim_fgets(interp
, buf
, 1024, interp
->cookie_stdin
) == NULL
) {
12357 Jim_DecrRefCount(interp
, scriptObjPtr
);
12360 Jim_AppendString(interp
, scriptObjPtr
, buf
, -1);
12361 str
= Jim_GetString(scriptObjPtr
, &len
);
12362 if (Jim_ScriptIsComplete(str
, len
, &state
))
12364 Jim_fprintf( interp
, interp
->cookie_stdout
, "%c> ", state
);
12365 Jim_fflush( interp
, interp
->cookie_stdout
);
12367 retcode
= Jim_EvalObj(interp
, scriptObjPtr
);
12368 Jim_DecrRefCount(interp
, scriptObjPtr
);
12369 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
12370 if (retcode
== JIM_ERR
) {
12371 Jim_PrintErrorMessage(interp
);
12372 } else if (retcode
== JIM_EXIT
) {
12373 exit(Jim_GetExitCode(interp
));
12376 Jim_fwrite( interp
, result
, 1, reslen
, interp
->cookie_stdout
);
12377 Jim_fprintf( interp
,interp
->cookie_stdout
, JIM_NL
);
12385 /* -----------------------------------------------------------------------------
12386 * Jim's idea of STDIO..
12387 * ---------------------------------------------------------------------------*/
12389 int Jim_fprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, ... )
12395 r
= Jim_vfprintf( interp
, cookie
, fmt
,ap
);
12400 int Jim_vfprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, va_list ap
)
12402 if( (interp
== NULL
) || (interp
->cb_vfprintf
== NULL
) ){
12406 return (*(interp
->cb_vfprintf
))( cookie
, fmt
, ap
);
12409 size_t Jim_fwrite( Jim_Interp
*interp
, const void *ptr
, size_t size
, size_t n
, void *cookie
)
12411 if( (interp
== NULL
) || (interp
->cb_fwrite
== NULL
) ){
12415 return (*(interp
->cb_fwrite
))( ptr
, size
, n
, cookie
);
12418 size_t Jim_fread( Jim_Interp
*interp
, void *ptr
, size_t size
, size_t n
, void *cookie
)
12420 if( (interp
== NULL
) || (interp
->cb_fread
== NULL
) ){
12424 return (*(interp
->cb_fread
))( ptr
, size
, n
, cookie
);
12427 int Jim_fflush( Jim_Interp
*interp
, void *cookie
)
12429 if( (interp
== NULL
) || (interp
->cb_fflush
== NULL
) ){
12430 /* pretend all is well */
12433 return (*(interp
->cb_fflush
))( cookie
);
12436 char* Jim_fgets( Jim_Interp
*interp
, char *s
, int size
, void *cookie
)
12438 if( (interp
== NULL
) || (interp
->cb_fgets
== NULL
) ){
12442 return (*(interp
->cb_fgets
))( s
, size
, cookie
);
12445 Jim_Nvp_name2value_simple( const Jim_Nvp
*p
, const char *name
)
12448 if( 0 == strcmp( name
, p
->name
) ){
12453 return ((Jim_Nvp
*)(p
));
12457 Jim_Nvp_name2value_nocase_simple( const Jim_Nvp
*p
, const char *name
)
12460 if( 0 == strcasecmp( name
, p
->name
) ){
12465 return ((Jim_Nvp
*)(p
));
12469 Jim_Nvp_name2value_obj( Jim_Interp
*interp
,
12474 return Jim_Nvp_name2value( interp
, p
, Jim_GetString( o
, NULL
), result
);
12479 Jim_Nvp_name2value( Jim_Interp
*interp
,
12486 p
= Jim_Nvp_name2value_simple( _p
, name
);
12490 *result
= (Jim_Nvp
*)(p
);
12502 Jim_Nvp_name2value_obj_nocase( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**puthere
)
12504 return Jim_Nvp_name2value_nocase( interp
, p
, Jim_GetString( o
, NULL
), puthere
);
12508 Jim_Nvp_name2value_nocase( Jim_Interp
*interp
, const Jim_Nvp
*_p
, const char *name
, Jim_Nvp
**puthere
)
12512 p
= Jim_Nvp_name2value_nocase_simple( _p
, name
);
12515 *puthere
= (Jim_Nvp
*)(p
);
12527 Jim_Nvp_value2name_obj( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**result
)
12532 e
= Jim_GetWide( interp
, o
, &w
);
12537 return Jim_Nvp_value2name( interp
, p
, w
, result
);
12541 Jim_Nvp_value2name_simple( const Jim_Nvp
*p
, int value
)
12544 if( value
== p
->value
){
12549 return ((Jim_Nvp
*)(p
));
12554 Jim_Nvp_value2name( Jim_Interp
*interp
, const Jim_Nvp
*_p
, int value
, Jim_Nvp
**result
)
12558 p
= Jim_Nvp_value2name_simple( _p
, value
);
12561 *result
= (Jim_Nvp
*)(p
);
12573 Jim_GetOpt_Setup( Jim_GetOptInfo
*p
, Jim_Interp
*interp
, int argc
, Jim_Obj
* const * argv
)
12575 memset( p
, 0, sizeof(*p
) );
12576 p
->interp
= interp
;
12584 Jim_GetOpt_Debug( Jim_GetOptInfo
*p
)
12588 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "---args---\n");
12589 for( x
= 0 ; x
< p
->argc
; x
++ ){
12590 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
,
12593 Jim_GetString( p
->argv
[x
], NULL
) );
12595 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "-------\n");
12600 Jim_GetOpt_Obj( Jim_GetOptInfo
*goi
, Jim_Obj
**puthere
)
12604 o
= NULL
; // failure
12622 Jim_GetOpt_String( Jim_GetOptInfo
*goi
, char **puthere
, int *len
)
12629 r
= Jim_GetOpt_Obj( goi
, &o
);
12631 cp
= Jim_GetString( o
, len
);
12634 *puthere
= (char *)(cp
);
12641 Jim_GetOpt_Double( Jim_GetOptInfo
*goi
, double *puthere
)
12647 if( puthere
== NULL
){
12651 r
= Jim_GetOpt_Obj( goi
, &o
);
12653 r
= Jim_GetDouble( goi
->interp
, o
, puthere
);
12655 Jim_SetResult_sprintf( goi
->interp
,
12656 "not a number: %s",
12657 Jim_GetString( o
, NULL
) );
12664 Jim_GetOpt_Wide( Jim_GetOptInfo
*goi
, jim_wide
*puthere
)
12670 if( puthere
== NULL
){
12674 r
= Jim_GetOpt_Obj( goi
, &o
);
12676 r
= Jim_GetWide( goi
->interp
, o
, puthere
);
12681 int Jim_GetOpt_Nvp( Jim_GetOptInfo
*goi
,
12682 const Jim_Nvp
*nvp
,
12689 if( puthere
== NULL
){
12693 e
= Jim_GetOpt_Obj( goi
, &o
);
12695 e
= Jim_Nvp_name2value_obj( goi
->interp
,
12705 Jim_GetOpt_NvpUnknown( Jim_GetOptInfo
*goi
,
12706 const Jim_Nvp
*nvptable
,
12710 Jim_SetResult_NvpUnknown( goi
->interp
,
12715 Jim_SetResult_NvpUnknown( goi
->interp
,
12724 Jim_GetOpt_Enum( Jim_GetOptInfo
*goi
,
12725 const char * const * lookup
,
12732 if( puthere
== NULL
){
12735 e
= Jim_GetOpt_Obj( goi
, &o
);
12737 e
= Jim_GetEnum( goi
->interp
,
12750 Jim_SetResult_sprintf( Jim_Interp
*interp
, const char *fmt
,... )
12756 buf
= jim_vasprintf( fmt
, ap
);
12759 Jim_SetResultString( interp
, buf
, -1 );
12760 jim_vasprintf_done(buf
);
12767 Jim_SetResult_NvpUnknown( Jim_Interp
*interp
,
12768 Jim_Obj
*param_name
,
12769 Jim_Obj
*param_value
,
12770 const Jim_Nvp
*nvp
)
12773 Jim_SetResult_sprintf( interp
,
12774 "%s: Unknown: %s, try one of: ",
12775 Jim_GetString( param_name
, NULL
),
12776 Jim_GetString( param_value
, NULL
) );
12778 Jim_SetResult_sprintf( interp
,
12779 "Unknown param: %s, try one of: ",
12780 Jim_GetString( param_value
, NULL
) );
12782 while( nvp
->name
){
12786 if( (nvp
+1)->name
){
12793 Jim_AppendStrings( interp
,
12794 Jim_GetResult(interp
),
12801 static Jim_Obj
*debug_string_obj
;
12804 Jim_Debug_ArgvString( Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
12808 if( debug_string_obj
){
12809 Jim_FreeObj( interp
, debug_string_obj
);
12812 debug_string_obj
= Jim_NewEmptyStringObj( interp
);
12813 for( x
= 0 ; x
< argc
; x
++ ){
12814 Jim_AppendStrings( interp
,
12816 Jim_GetString( argv
[x
], NULL
),
12821 return Jim_GetString( debug_string_obj
, NULL
);
12827 * Local Variables: ***
12828 * c-basic-offset: 4 ***