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>
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
25 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
28 * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
33 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
35 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 * The views and conclusions contained in the software and documentation
38 * are those of the authors and should not be interpreted as representing
39 * official policies, either expressed or implied, of the Jim Tcl Project.
42 #define JIM_OPTIMIZATION /* comment to avoid optimizations and reduce size */
45 #include <pkgconf/jimtcl.h>
48 #define JIM_DYNLIB /* Dynamic library support for UNIX and WIN32 */
49 #endif /* JIM_ANSIC */
61 /* sys/time - need is different */
63 #include <sys/time.h> // for gettimeofday()
66 #include "replacements.h"
68 /* Include the platform dependent libraries for
69 * dynamic loading of libraries. */
71 #if defined(_WIN32) || defined(WIN32)
78 #define WIN32_LEAN_AND_MEAN
81 #pragma warning(disable:4146)
86 #endif /* JIM_DYNLIB */
89 #include <cyg/jimtcl/jim.h>
98 /* -----------------------------------------------------------------------------
100 * ---------------------------------------------------------------------------*/
102 /* A shared empty string for the objects string representation.
103 * Jim_InvalidateStringRep knows about it and don't try to free. */
104 static char *JimEmptyStringRep
= (char*) "";
106 /* -----------------------------------------------------------------------------
107 * Required prototypes of not exported functions
108 * ---------------------------------------------------------------------------*/
109 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
);
110 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
, int flags
);
111 static void JimRegisterCoreApi(Jim_Interp
*interp
);
113 static Jim_HashTableType JimVariablesHashTableType
;
115 /* -----------------------------------------------------------------------------
117 * ---------------------------------------------------------------------------*/
120 jim_vasprintf( const char *fmt
, va_list ap
)
122 #ifndef HAVE_VASPRINTF
124 static char buf
[2048];
125 vsnprintf( buf
, sizeof(buf
), fmt
, ap
);
126 /* garentee termination */
127 buf
[sizeof(buf
)-1] = 0;
130 vasprintf( &buf
, fmt
, ap
);
136 jim_vasprintf_done( void *buf
)
138 #ifndef HAVE_VASPRINTF
147 * Convert a string to a jim_wide INTEGER.
148 * This function originates from BSD.
150 * Ignores `locale' stuff. Assumes that the upper and lower case
151 * alphabets and digits are each contiguous.
153 #ifdef HAVE_LONG_LONG
154 #define JimIsAscii(c) (((c) & ~0x7f) == 0)
155 static jim_wide
JimStrtoll(const char *nptr
, char **endptr
, register int base
)
157 register const char *s
;
158 register unsigned jim_wide acc
;
159 register unsigned char c
;
160 register unsigned jim_wide qbase
, cutoff
;
161 register int neg
, any
, cutlim
;
164 * Skip white space and pick up leading +/- sign if any.
165 * If base is 0, allow 0x for hex and 0 for octal, else
166 * assume decimal; if base is already 16, allow 0x.
171 } while (isspace(c
));
180 if ((base
== 0 || base
== 16) &&
181 c
== '0' && (*s
== 'x' || *s
== 'X')) {
187 base
= c
== '0' ? 8 : 10;
190 * Compute the cutoff value between legal numbers and illegal
191 * numbers. That is the largest legal value, divided by the
192 * base. An input number that is greater than this value, if
193 * followed by a legal input character, is too big. One that
194 * is equal to this value may be valid or not; the limit
195 * between valid and invalid numbers is then based on the last
196 * digit. For instance, if the range for quads is
197 * [-9223372036854775808..9223372036854775807] and the input base
198 * is 10, cutoff will be set to 922337203685477580 and cutlim to
199 * either 7 (neg==0) or 8 (neg==1), meaning that if we have
200 * accumulated a value > 922337203685477580, or equal but the
201 * next digit is > 7 (or 8), the number is too big, and we will
202 * return a range error.
204 * Set any if any `digits' consumed; make it negative to indicate
207 qbase
= (unsigned)base
;
208 cutoff
= neg
? (unsigned jim_wide
)-(LLONG_MIN
+ LLONG_MAX
) + LLONG_MAX
210 cutlim
= (int)(cutoff
% qbase
);
212 for (acc
= 0, any
= 0;; c
= *s
++) {
218 c
-= isupper(c
) ? 'A' - 10 : 'a' - 10;
223 if (any
< 0 || acc
> cutoff
|| (acc
== cutoff
&& c
> cutlim
))
232 acc
= neg
? LLONG_MIN
: LLONG_MAX
;
237 *endptr
= (char *)(any
? s
- 1 : nptr
);
242 /* Glob-style pattern matching. */
243 static int JimStringMatch(const char *pattern
, int patternLen
,
244 const char *string
, int stringLen
, int nocase
)
249 while (pattern
[1] == '*') {
254 return 1; /* match */
256 if (JimStringMatch(pattern
+1, patternLen
-1,
257 string
, stringLen
, nocase
))
258 return 1; /* match */
262 return 0; /* no match */
266 return 0; /* no match */
276 not = pattern
[0] == '^';
283 if (pattern
[0] == '\\') {
286 if (pattern
[0] == string
[0])
288 } else if (pattern
[0] == ']') {
290 } else if (patternLen
== 0) {
294 } else if (pattern
[1] == '-' && patternLen
>= 3) {
295 int start
= pattern
[0];
296 int end
= pattern
[2];
304 start
= tolower(start
);
310 if (c
>= start
&& c
<= end
)
314 if (pattern
[0] == string
[0])
317 if (tolower((int)pattern
[0]) == tolower((int)string
[0]))
327 return 0; /* no match */
333 if (patternLen
>= 2) {
340 if (pattern
[0] != string
[0])
341 return 0; /* no match */
343 if (tolower((int)pattern
[0]) != tolower((int)string
[0]))
344 return 0; /* no match */
352 if (stringLen
== 0) {
353 while(*pattern
== '*') {
360 if (patternLen
== 0 && stringLen
== 0)
365 int JimStringCompare(const char *s1
, int l1
, const char *s2
, int l2
,
368 unsigned char *u1
= (unsigned char*) s1
, *u2
= (unsigned char*) s2
;
374 u1
++; u2
++; l1
--; l2
--;
376 if (!l1
&& !l2
) return 0;
380 if (tolower((int)*u1
) != tolower((int)*u2
))
381 return tolower((int)*u1
)-tolower((int)*u2
);
382 u1
++; u2
++; l1
--; l2
--;
384 if (!l1
&& !l2
) return 0;
389 /* Search 's1' inside 's2', starting to search from char 'index' of 's2'.
390 * The index of the first occurrence of s1 in s2 is returned.
391 * If s1 is not found inside s2, -1 is returned. */
392 int JimStringFirst(const char *s1
, int l1
, const char *s2
, int l2
, int index
)
396 if (!l1
|| !l2
|| l1
> l2
) return -1;
397 if (index
< 0) index
= 0;
399 for (i
= index
; i
<= l2
-l1
; i
++) {
400 if (memcmp(s2
, s1
, l1
) == 0)
407 int Jim_WideToString(char *buf
, jim_wide wideValue
)
409 const char *fmt
= "%" JIM_WIDE_MODIFIER
;
410 return sprintf(buf
, fmt
, wideValue
);
413 int Jim_StringToWide(const char *str
, jim_wide
*widePtr
, int base
)
417 #ifdef HAVE_LONG_LONG
418 *widePtr
= JimStrtoll(str
, &endptr
, base
);
420 *widePtr
= strtol(str
, &endptr
, base
);
422 if ((str
[0] == '\0') || (str
== endptr
) )
424 if (endptr
[0] != '\0') {
426 if (!isspace((int)*endptr
))
434 int Jim_StringToIndex(const char *str
, int *intPtr
)
438 *intPtr
= strtol(str
, &endptr
, 10);
439 if ( (str
[0] == '\0') || (str
== endptr
) )
441 if (endptr
[0] != '\0') {
443 if (!isspace((int)*endptr
))
451 /* The string representation of references has two features in order
452 * to make the GC faster. The first is that every reference starts
453 * with a non common character '~', in order to make the string matching
454 * fater. The second is that the reference string rep his 32 characters
455 * in length, this allows to avoid to check every object with a string
456 * repr < 32, and usually there are many of this objects. */
458 #define JIM_REFERENCE_SPACE (35+JIM_REFERENCE_TAGLEN)
460 static int JimFormatReference(char *buf
, Jim_Reference
*refPtr
, jim_wide id
)
462 const char *fmt
= "<reference.<%s>.%020" JIM_WIDE_MODIFIER
">";
463 sprintf(buf
, fmt
, refPtr
->tag
, id
);
464 return JIM_REFERENCE_SPACE
;
467 int Jim_DoubleToString(char *buf
, double doubleValue
)
472 len
= sprintf(buf
, "%.17g", doubleValue
);
475 if (*s
== '.') return len
;
478 /* Add a final ".0" if it's a number. But not
480 if (isdigit((int)buf
[0])
481 || ((buf
[0] == '-' || buf
[0] == '+')
482 && isdigit((int)buf
[1]))) {
491 int Jim_StringToDouble(const char *str
, double *doublePtr
)
495 *doublePtr
= strtod(str
, &endptr
);
496 if (str
[0] == '\0' || endptr
[0] != '\0' || (str
== endptr
) )
501 static jim_wide
JimPowWide(jim_wide b
, jim_wide e
)
504 if ((b
==0 && e
!=0) || (e
<0)) return 0;
505 for(i
=0; i
<e
; i
++) {res
*= b
;}
509 /* -----------------------------------------------------------------------------
511 * ---------------------------------------------------------------------------*/
513 /* Note that 'interp' may be NULL if not available in the
514 * context of the panic. It's only useful to get the error
515 * file descriptor, it will default to stderr otherwise. */
516 void Jim_Panic(Jim_Interp
*interp
, const char *fmt
, ...)
522 * Send it here first.. Assuming STDIO still works
524 fprintf(stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
525 vfprintf(stderr
, fmt
, ap
);
526 fprintf(stderr
, JIM_NL JIM_NL
);
529 #ifdef HAVE_BACKTRACE
535 size
= backtrace(array
, 40);
536 strings
= backtrace_symbols(array
, size
);
537 for (i
= 0; i
< size
; i
++)
538 fprintf(fp
,"[backtrace] %s" JIM_NL
, strings
[i
]);
539 fprintf(fp
,"[backtrace] Include the above lines and the output" JIM_NL
);
540 fprintf(fp
,"[backtrace] of 'nm <executable>' in the bug report." JIM_NL
);
544 /* This may actually crash... we do it last */
545 if( interp
&& interp
->cookie_stderr
){
546 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
547 Jim_vfprintf( interp
, interp
->cookie_stderr
, fmt
, ap
);
548 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL JIM_NL
);
553 /* -----------------------------------------------------------------------------
555 * ---------------------------------------------------------------------------*/
557 /* Macro used for memory debugging.
558 * In order for they to work you have to rename Jim_Alloc into _Jim_Alloc
559 * and similary for Jim_Realloc and Jim_Free */
561 #define Jim_Alloc(s) (printf("%s %d: Jim_Alloc(%d)\n",__FILE__,__LINE__,s),_Jim_Alloc(s))
562 #define Jim_Free(p) (printf("%s %d: Jim_Free(%p)\n",__FILE__,__LINE__,p),_Jim_Free(p))
563 #define Jim_Realloc(p,s) (printf("%s %d: Jim_Realloc(%p,%d)\n",__FILE__,__LINE__,p,s),_Jim_Realloc(p,s))
566 void *Jim_Alloc(int size
)
568 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
571 void *p
= malloc(size
);
573 Jim_Panic(NULL
,"malloc: Out of memory");
577 void Jim_Free(void *ptr
) {
581 void *Jim_Realloc(void *ptr
, int size
)
583 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
586 void *p
= realloc(ptr
, size
);
588 Jim_Panic(NULL
,"realloc: Out of memory");
592 char *Jim_StrDup(const char *s
)
595 char *copy
= Jim_Alloc(l
+1);
597 memcpy(copy
, s
, l
+1);
601 char *Jim_StrDupLen(const char *s
, int l
)
603 char *copy
= Jim_Alloc(l
+1);
605 memcpy(copy
, s
, l
+1);
606 copy
[l
] = 0; /* Just to be sure, original could be substring */
610 /* -----------------------------------------------------------------------------
611 * Time related functions
612 * ---------------------------------------------------------------------------*/
613 /* Returns microseconds of CPU used since start. */
614 static jim_wide
JimClock(void)
616 #if (defined WIN32) && !(defined JIM_ANSIC)
618 QueryPerformanceFrequency(&f
);
619 QueryPerformanceCounter(&t
);
620 return (long)((t
.QuadPart
* 1000000) / f
.QuadPart
);
622 clock_t clocks
= clock();
624 return (long)(clocks
*(1000000/CLOCKS_PER_SEC
));
628 /* -----------------------------------------------------------------------------
630 * ---------------------------------------------------------------------------*/
632 /* -------------------------- private prototypes ---------------------------- */
633 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
);
634 static unsigned int JimHashTableNextPower(unsigned int size
);
635 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
);
637 /* -------------------------- hash functions -------------------------------- */
639 /* Thomas Wang's 32 bit Mix Function */
640 unsigned int Jim_IntHashFunction(unsigned int key
)
651 /* Identity hash function for integer keys */
652 unsigned int Jim_IdentityHashFunction(unsigned int key
)
657 /* Generic hash function (we are using to multiply by 9 and add the byte
659 unsigned int Jim_GenHashFunction(const unsigned char *buf
, int len
)
667 /* ----------------------------- API implementation ------------------------- */
668 /* reset an hashtable already initialized with ht_init().
669 * NOTE: This function should only called by ht_destroy(). */
670 static void JimResetHashTable(Jim_HashTable
*ht
)
679 /* Initialize the hash table */
680 int Jim_InitHashTable(Jim_HashTable
*ht
, Jim_HashTableType
*type
,
683 JimResetHashTable(ht
);
685 ht
->privdata
= privDataPtr
;
689 /* Resize the table to the minimal size that contains all the elements,
690 * but with the invariant of a USER/BUCKETS ration near to <= 1 */
691 int Jim_ResizeHashTable(Jim_HashTable
*ht
)
693 int minimal
= ht
->used
;
695 if (minimal
< JIM_HT_INITIAL_SIZE
)
696 minimal
= JIM_HT_INITIAL_SIZE
;
697 return Jim_ExpandHashTable(ht
, minimal
);
700 /* Expand or create the hashtable */
701 int Jim_ExpandHashTable(Jim_HashTable
*ht
, unsigned int size
)
703 Jim_HashTable n
; /* the new hashtable */
704 unsigned int realsize
= JimHashTableNextPower(size
), i
;
706 /* the size is invalid if it is smaller than the number of
707 * elements already inside the hashtable */
708 if (ht
->used
>= size
)
711 Jim_InitHashTable(&n
, ht
->type
, ht
->privdata
);
713 n
.sizemask
= realsize
-1;
714 n
.table
= Jim_Alloc(realsize
*sizeof(Jim_HashEntry
*));
716 /* Initialize all the pointers to NULL */
717 memset(n
.table
, 0, realsize
*sizeof(Jim_HashEntry
*));
719 /* Copy all the elements from the old to the new table:
720 * note that if the old hash table is empty ht->size is zero,
721 * so Jim_ExpandHashTable just creates an hash table. */
723 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
724 Jim_HashEntry
*he
, *nextHe
;
726 if (ht
->table
[i
] == NULL
) continue;
728 /* For each hash entry on this slot... */
734 /* Get the new element index */
735 h
= Jim_HashKey(ht
, he
->key
) & n
.sizemask
;
736 he
->next
= n
.table
[h
];
739 /* Pass to the next element */
743 assert(ht
->used
== 0);
746 /* Remap the new hashtable in the old */
751 /* Add an element to the target hash table */
752 int Jim_AddHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
755 Jim_HashEntry
*entry
;
757 /* Get the index of the new element, or -1 if
758 * the element already exists. */
759 if ((index
= JimInsertHashEntry(ht
, key
)) == -1)
762 /* Allocates the memory and stores key */
763 entry
= Jim_Alloc(sizeof(*entry
));
764 entry
->next
= ht
->table
[index
];
765 ht
->table
[index
] = entry
;
767 /* Set the hash entry fields. */
768 Jim_SetHashKey(ht
, entry
, key
);
769 Jim_SetHashVal(ht
, entry
, val
);
774 /* Add an element, discarding the old if the key already exists */
775 int Jim_ReplaceHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
777 Jim_HashEntry
*entry
;
779 /* Try to add the element. If the key
780 * does not exists Jim_AddHashEntry will suceed. */
781 if (Jim_AddHashEntry(ht
, key
, val
) == JIM_OK
)
783 /* It already exists, get the entry */
784 entry
= Jim_FindHashEntry(ht
, key
);
785 /* Free the old value and set the new one */
786 Jim_FreeEntryVal(ht
, entry
);
787 Jim_SetHashVal(ht
, entry
, val
);
791 /* Search and remove an element */
792 int Jim_DeleteHashEntry(Jim_HashTable
*ht
, const void *key
)
795 Jim_HashEntry
*he
, *prevHe
;
799 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
804 if (Jim_CompareHashKeys(ht
, key
, he
->key
)) {
805 /* Unlink the element from the list */
807 prevHe
->next
= he
->next
;
809 ht
->table
[h
] = he
->next
;
810 Jim_FreeEntryKey(ht
, he
);
811 Jim_FreeEntryVal(ht
, he
);
819 return JIM_ERR
; /* not found */
822 /* Destroy an entire hash table */
823 int Jim_FreeHashTable(Jim_HashTable
*ht
)
827 /* Free all the elements */
828 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
829 Jim_HashEntry
*he
, *nextHe
;
831 if ((he
= ht
->table
[i
]) == NULL
) continue;
834 Jim_FreeEntryKey(ht
, he
);
835 Jim_FreeEntryVal(ht
, he
);
841 /* Free the table and the allocated cache structure */
843 /* Re-initialize the table */
844 JimResetHashTable(ht
);
845 return JIM_OK
; /* never fails */
848 Jim_HashEntry
*Jim_FindHashEntry(Jim_HashTable
*ht
, const void *key
)
853 if (ht
->size
== 0) return NULL
;
854 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
857 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
864 Jim_HashTableIterator
*Jim_GetHashTableIterator(Jim_HashTable
*ht
)
866 Jim_HashTableIterator
*iter
= Jim_Alloc(sizeof(*iter
));
871 iter
->nextEntry
= NULL
;
875 Jim_HashEntry
*Jim_NextHashEntry(Jim_HashTableIterator
*iter
)
878 if (iter
->entry
== NULL
) {
881 (signed)iter
->ht
->size
) break;
882 iter
->entry
= iter
->ht
->table
[iter
->index
];
884 iter
->entry
= iter
->nextEntry
;
887 /* We need to save the 'next' here, the iterator user
888 * may delete the entry we are returning. */
889 iter
->nextEntry
= iter
->entry
->next
;
896 /* ------------------------- private functions ------------------------------ */
898 /* Expand the hash table if needed */
899 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
)
901 /* If the hash table is empty expand it to the intial size,
902 * if the table is "full" dobule its size. */
904 return Jim_ExpandHashTable(ht
, JIM_HT_INITIAL_SIZE
);
905 if (ht
->size
== ht
->used
)
906 return Jim_ExpandHashTable(ht
, ht
->size
*2);
910 /* Our hash table capability is a power of two */
911 static unsigned int JimHashTableNextPower(unsigned int size
)
913 unsigned int i
= JIM_HT_INITIAL_SIZE
;
915 if (size
>= 2147483648U)
924 /* Returns the index of a free slot that can be populated with
925 * an hash entry for the given 'key'.
926 * If the key already exists, -1 is returned. */
927 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
)
932 /* Expand the hashtable if needed */
933 if (JimExpandHashTableIfNeeded(ht
) == JIM_ERR
)
935 /* Compute the key hash value */
936 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
937 /* Search if this slot does not already contain the given key */
940 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
947 /* ----------------------- StringCopy Hash Table Type ------------------------*/
949 static unsigned int JimStringCopyHTHashFunction(const void *key
)
951 return Jim_GenHashFunction(key
, strlen(key
));
954 static const void *JimStringCopyHTKeyDup(void *privdata
, const void *key
)
956 int len
= strlen(key
);
957 char *copy
= Jim_Alloc(len
+1);
958 JIM_NOTUSED(privdata
);
960 memcpy(copy
, key
, len
);
965 static void *JimStringKeyValCopyHTValDup(void *privdata
, const void *val
)
967 int len
= strlen(val
);
968 char *copy
= Jim_Alloc(len
+1);
969 JIM_NOTUSED(privdata
);
971 memcpy(copy
, val
, len
);
976 static int JimStringCopyHTKeyCompare(void *privdata
, const void *key1
,
979 JIM_NOTUSED(privdata
);
981 return strcmp(key1
, key2
) == 0;
984 static void JimStringCopyHTKeyDestructor(void *privdata
, const void *key
)
986 JIM_NOTUSED(privdata
);
988 Jim_Free((void*)key
); /* ATTENTION: const cast */
991 static void JimStringKeyValCopyHTValDestructor(void *privdata
, void *val
)
993 JIM_NOTUSED(privdata
);
995 Jim_Free((void*)val
); /* ATTENTION: const cast */
998 static Jim_HashTableType JimStringCopyHashTableType
= {
999 JimStringCopyHTHashFunction
, /* hash function */
1000 JimStringCopyHTKeyDup
, /* key dup */
1002 JimStringCopyHTKeyCompare
, /* key compare */
1003 JimStringCopyHTKeyDestructor
, /* key destructor */
1004 NULL
/* val destructor */
1007 /* This is like StringCopy but does not auto-duplicate the key.
1008 * It's used for intepreter's shared strings. */
1009 static Jim_HashTableType JimSharedStringsHashTableType
= {
1010 JimStringCopyHTHashFunction
, /* hash function */
1013 JimStringCopyHTKeyCompare
, /* key compare */
1014 JimStringCopyHTKeyDestructor
, /* key destructor */
1015 NULL
/* val destructor */
1018 /* This is like StringCopy but also automatically handle dynamic
1019 * allocated C strings as values. */
1020 static Jim_HashTableType JimStringKeyValCopyHashTableType
= {
1021 JimStringCopyHTHashFunction
, /* hash function */
1022 JimStringCopyHTKeyDup
, /* key dup */
1023 JimStringKeyValCopyHTValDup
, /* val dup */
1024 JimStringCopyHTKeyCompare
, /* key compare */
1025 JimStringCopyHTKeyDestructor
, /* key destructor */
1026 JimStringKeyValCopyHTValDestructor
, /* val destructor */
1029 typedef struct AssocDataValue
{
1030 Jim_InterpDeleteProc
*delProc
;
1034 static void JimAssocDataHashTableValueDestructor(void *privdata
, void *data
)
1036 AssocDataValue
*assocPtr
= (AssocDataValue
*)data
;
1037 if (assocPtr
->delProc
!= NULL
)
1038 assocPtr
->delProc((Jim_Interp
*)privdata
, assocPtr
->data
);
1042 static Jim_HashTableType JimAssocDataHashTableType
= {
1043 JimStringCopyHTHashFunction
, /* hash function */
1044 JimStringCopyHTKeyDup
, /* key dup */
1046 JimStringCopyHTKeyCompare
, /* key compare */
1047 JimStringCopyHTKeyDestructor
, /* key destructor */
1048 JimAssocDataHashTableValueDestructor
/* val destructor */
1051 /* -----------------------------------------------------------------------------
1052 * Stack - This is a simple generic stack implementation. It is used for
1053 * example in the 'expr' expression compiler.
1054 * ---------------------------------------------------------------------------*/
1055 void Jim_InitStack(Jim_Stack
*stack
)
1059 stack
->vector
= NULL
;
1062 void Jim_FreeStack(Jim_Stack
*stack
)
1064 Jim_Free(stack
->vector
);
1067 int Jim_StackLen(Jim_Stack
*stack
)
1072 void Jim_StackPush(Jim_Stack
*stack
, void *element
) {
1073 int neededLen
= stack
->len
+1;
1074 if (neededLen
> stack
->maxlen
) {
1075 stack
->maxlen
= neededLen
*2;
1076 stack
->vector
= Jim_Realloc(stack
->vector
, sizeof(void*)*stack
->maxlen
);
1078 stack
->vector
[stack
->len
] = element
;
1082 void *Jim_StackPop(Jim_Stack
*stack
)
1084 if (stack
->len
== 0) return NULL
;
1086 return stack
->vector
[stack
->len
];
1089 void *Jim_StackPeek(Jim_Stack
*stack
)
1091 if (stack
->len
== 0) return NULL
;
1092 return stack
->vector
[stack
->len
-1];
1095 void Jim_FreeStackElements(Jim_Stack
*stack
, void (*freeFunc
)(void *ptr
))
1099 for (i
= 0; i
< stack
->len
; i
++)
1100 freeFunc(stack
->vector
[i
]);
1103 /* -----------------------------------------------------------------------------
1105 * ---------------------------------------------------------------------------*/
1108 #define JIM_TT_NONE -1 /* No token returned */
1109 #define JIM_TT_STR 0 /* simple string */
1110 #define JIM_TT_ESC 1 /* string that needs escape chars conversion */
1111 #define JIM_TT_VAR 2 /* var substitution */
1112 #define JIM_TT_DICTSUGAR 3 /* Syntax sugar for [dict get], $foo(bar) */
1113 #define JIM_TT_CMD 4 /* command substitution */
1114 #define JIM_TT_SEP 5 /* word separator */
1115 #define JIM_TT_EOL 6 /* line separator */
1117 /* Additional token types needed for expressions */
1118 #define JIM_TT_SUBEXPR_START 7
1119 #define JIM_TT_SUBEXPR_END 8
1120 #define JIM_TT_EXPR_NUMBER 9
1121 #define JIM_TT_EXPR_OPERATOR 10
1124 #define JIM_PS_DEF 0 /* Default state */
1125 #define JIM_PS_QUOTE 1 /* Inside "" */
1127 /* Parser context structure. The same context is used both to parse
1128 * Tcl scripts and lists. */
1129 struct JimParserCtx
{
1130 const char *prg
; /* Program text */
1131 const char *p
; /* Pointer to the point of the program we are parsing */
1132 int len
; /* Left length of 'prg' */
1133 int linenr
; /* Current line number */
1135 const char *tend
; /* Returned token is at tstart-tend in 'prg'. */
1136 int tline
; /* Line number of the returned token */
1137 int tt
; /* Token type */
1138 int eof
; /* Non zero if EOF condition is true. */
1139 int state
; /* Parser state */
1140 int comment
; /* Non zero if the next chars may be a comment. */
1143 #define JimParserEof(c) ((c)->eof)
1144 #define JimParserTstart(c) ((c)->tstart)
1145 #define JimParserTend(c) ((c)->tend)
1146 #define JimParserTtype(c) ((c)->tt)
1147 #define JimParserTline(c) ((c)->tline)
1149 static int JimParseScript(struct JimParserCtx
*pc
);
1150 static int JimParseSep(struct JimParserCtx
*pc
);
1151 static int JimParseEol(struct JimParserCtx
*pc
);
1152 static int JimParseCmd(struct JimParserCtx
*pc
);
1153 static int JimParseVar(struct JimParserCtx
*pc
);
1154 static int JimParseBrace(struct JimParserCtx
*pc
);
1155 static int JimParseStr(struct JimParserCtx
*pc
);
1156 static int JimParseComment(struct JimParserCtx
*pc
);
1157 static char *JimParserGetToken(struct JimParserCtx
*pc
,
1158 int *lenPtr
, int *typePtr
, int *linePtr
);
1160 /* Initialize a parser context.
1161 * 'prg' is a pointer to the program text, linenr is the line
1162 * number of the first line contained in the program. */
1163 void JimParserInit(struct JimParserCtx
*pc
, const char *prg
,
1164 int len
, int linenr
)
1172 pc
->tt
= JIM_TT_NONE
;
1174 pc
->state
= JIM_PS_DEF
;
1175 pc
->linenr
= linenr
;
1179 int JimParseScript(struct JimParserCtx
*pc
)
1181 while(1) { /* the while is used to reiterate with continue if needed */
1185 pc
->tline
= pc
->linenr
;
1186 pc
->tt
= JIM_TT_EOL
;
1192 if (*(pc
->p
+1) == '\n')
1193 return JimParseSep(pc
);
1196 return JimParseStr(pc
);
1202 if (pc
->state
== JIM_PS_DEF
)
1203 return JimParseSep(pc
);
1206 return JimParseStr(pc
);
1212 if (pc
->state
== JIM_PS_DEF
)
1213 return JimParseEol(pc
);
1215 return JimParseStr(pc
);
1219 return JimParseCmd(pc
);
1223 if (JimParseVar(pc
) == JIM_ERR
) {
1224 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
1225 pc
->tline
= pc
->linenr
;
1226 pc
->tt
= JIM_TT_STR
;
1233 JimParseComment(pc
);
1236 return JimParseStr(pc
);
1240 return JimParseStr(pc
);
1247 int JimParseSep(struct JimParserCtx
*pc
)
1250 pc
->tline
= pc
->linenr
;
1251 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' ||
1252 (*pc
->p
== '\\' && *(pc
->p
+1) == '\n')) {
1253 if (*pc
->p
== '\\') {
1260 pc
->tt
= JIM_TT_SEP
;
1264 int JimParseEol(struct JimParserCtx
*pc
)
1267 pc
->tline
= pc
->linenr
;
1268 while (*pc
->p
== ' ' || *pc
->p
== '\n' ||
1269 *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== ';') {
1275 pc
->tt
= JIM_TT_EOL
;
1279 /* Todo. Don't stop if ']' appears inside {} or quoted.
1280 * Also should handle the case of puts [string length "]"] */
1281 int JimParseCmd(struct JimParserCtx
*pc
)
1286 pc
->tstart
= ++pc
->p
; pc
->len
--;
1287 pc
->tline
= pc
->linenr
;
1291 } else if (*pc
->p
== '[' && blevel
== 0) {
1293 } else if (*pc
->p
== ']' && blevel
== 0) {
1296 } else if (*pc
->p
== '\\') {
1298 } else if (*pc
->p
== '{') {
1300 } else if (*pc
->p
== '}') {
1303 } else if (*pc
->p
== '\n')
1308 pc
->tt
= JIM_TT_CMD
;
1309 if (*pc
->p
== ']') {
1315 int JimParseVar(struct JimParserCtx
*pc
)
1317 int brace
= 0, stop
= 0, ttype
= JIM_TT_VAR
;
1319 pc
->tstart
= ++pc
->p
; pc
->len
--; /* skip the $ */
1320 pc
->tline
= pc
->linenr
;
1321 if (*pc
->p
== '{') {
1322 pc
->tstart
= ++pc
->p
; pc
->len
--;
1327 if (*pc
->p
== '}' || pc
->len
== 0) {
1332 else if (*pc
->p
== '\n')
1342 if (!((*pc
->p
>= 'a' && *pc
->p
<= 'z') ||
1343 (*pc
->p
>= 'A' && *pc
->p
<= 'Z') ||
1344 (*pc
->p
>= '0' && *pc
->p
<= '9') || *pc
->p
== '_'))
1350 /* Parse [dict get] syntax sugar. */
1351 if (*pc
->p
== '(') {
1352 while (*pc
->p
!= ')' && pc
->len
) {
1354 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1355 pc
->p
+= 2; pc
->len
-= 2;
1358 if (*pc
->p
!= '\0') {
1361 ttype
= JIM_TT_DICTSUGAR
;
1365 /* Check if we parsed just the '$' character.
1366 * That's not a variable so an error is returned
1367 * to tell the state machine to consider this '$' just
1369 if (pc
->tstart
== pc
->p
) {
1377 int JimParseBrace(struct JimParserCtx
*pc
)
1381 pc
->tstart
= ++pc
->p
; pc
->len
--;
1382 pc
->tline
= pc
->linenr
;
1384 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1388 } else if (*pc
->p
== '{') {
1390 } else if (pc
->len
== 0 || *pc
->p
== '}') {
1392 if (pc
->len
== 0 || level
== 0) {
1397 pc
->tt
= JIM_TT_STR
;
1400 } else if (*pc
->p
== '\n') {
1405 return JIM_OK
; /* unreached */
1408 int JimParseStr(struct JimParserCtx
*pc
)
1410 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1411 pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_STR
);
1412 if (newword
&& *pc
->p
== '{') {
1413 return JimParseBrace(pc
);
1414 } else if (newword
&& *pc
->p
== '"') {
1415 pc
->state
= JIM_PS_QUOTE
;
1419 pc
->tline
= pc
->linenr
;
1423 pc
->tt
= JIM_TT_ESC
;
1428 if (pc
->state
== JIM_PS_DEF
&&
1429 *(pc
->p
+1) == '\n') {
1431 pc
->tt
= JIM_TT_ESC
;
1441 pc
->tt
= JIM_TT_ESC
;
1448 if (pc
->state
== JIM_PS_DEF
) {
1450 pc
->tt
= JIM_TT_ESC
;
1452 } else if (*pc
->p
== '\n') {
1457 if (pc
->state
== JIM_PS_QUOTE
) {
1459 pc
->tt
= JIM_TT_ESC
;
1461 pc
->state
= JIM_PS_DEF
;
1468 return JIM_OK
; /* unreached */
1471 int JimParseComment(struct JimParserCtx
*pc
)
1474 if (*pc
->p
== '\n') {
1476 if (*(pc
->p
-1) != '\\') {
1486 /* xdigitval and odigitval are helper functions for JimParserGetToken() */
1487 static int xdigitval(int c
)
1489 if (c
>= '0' && c
<= '9') return c
-'0';
1490 if (c
>= 'a' && c
<= 'f') return c
-'a'+10;
1491 if (c
>= 'A' && c
<= 'F') return c
-'A'+10;
1495 static int odigitval(int c
)
1497 if (c
>= '0' && c
<= '7') return c
-'0';
1501 /* Perform Tcl escape substitution of 's', storing the result
1502 * string into 'dest'. The escaped string is guaranteed to
1503 * be the same length or shorted than the source string.
1504 * Slen is the length of the string at 's', if it's -1 the string
1505 * length will be calculated by the function.
1507 * The function returns the length of the resulting string. */
1508 static int JimEscape(char *dest
, const char *s
, int slen
)
1516 for (i
= 0; i
< slen
; i
++) {
1520 case 'a': *p
++ = 0x7; i
++; break;
1521 case 'b': *p
++ = 0x8; i
++; break;
1522 case 'f': *p
++ = 0xc; i
++; break;
1523 case 'n': *p
++ = 0xa; i
++; break;
1524 case 'r': *p
++ = 0xd; i
++; break;
1525 case 't': *p
++ = 0x9; i
++; break;
1526 case 'v': *p
++ = 0xb; i
++; break;
1527 case '\0': *p
++ = '\\'; i
++; break;
1528 case '\n': *p
++ = ' '; i
++; break;
1530 if (s
[i
+1] == 'x') {
1532 int c
= xdigitval(s
[i
+2]);
1539 c
= xdigitval(s
[i
+3]);
1549 } else if (s
[i
+1] >= '0' && s
[i
+1] <= '7')
1552 int c
= odigitval(s
[i
+1]);
1554 c
= odigitval(s
[i
+2]);
1561 c
= odigitval(s
[i
+3]);
1587 /* Returns a dynamically allocated copy of the current token in the
1588 * parser context. The function perform conversion of escapes if
1589 * the token is of type JIM_TT_ESC.
1591 * Note that after the conversion, tokens that are grouped with
1592 * braces in the source code, are always recognizable from the
1593 * identical string obtained in a different way from the type.
1595 * For exmple the string:
1599 * will return as first token "expand", of type JIM_TT_STR
1605 * will return as first token "expand", of type JIM_TT_ESC
1607 char *JimParserGetToken(struct JimParserCtx
*pc
,
1608 int *lenPtr
, int *typePtr
, int *linePtr
)
1610 const char *start
, *end
;
1614 start
= JimParserTstart(pc
);
1615 end
= JimParserTend(pc
);
1617 if (lenPtr
) *lenPtr
= 0;
1618 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1619 if (linePtr
) *linePtr
= JimParserTline(pc
);
1620 token
= Jim_Alloc(1);
1624 len
= (end
-start
)+1;
1625 token
= Jim_Alloc(len
+1);
1626 if (JimParserTtype(pc
) != JIM_TT_ESC
) {
1627 /* No escape conversion needed? Just copy it. */
1628 memcpy(token
, start
, len
);
1631 /* Else convert the escape chars. */
1632 len
= JimEscape(token
, start
, len
);
1634 if (lenPtr
) *lenPtr
= len
;
1635 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1636 if (linePtr
) *linePtr
= JimParserTline(pc
);
1640 /* The following functin is not really part of the parsing engine of Jim,
1641 * but it somewhat related. Given an string and its length, it tries
1642 * to guess if the script is complete or there are instead " " or { }
1643 * open and not completed. This is useful for interactive shells
1644 * implementation and for [info complete].
1646 * If 'stateCharPtr' != NULL, the function stores ' ' on complete script,
1647 * '{' on scripts incomplete missing one or more '}' to be balanced.
1648 * '"' on scripts incomplete missing a '"' char.
1650 * If the script is complete, 1 is returned, otherwise 0. */
1651 int Jim_ScriptIsComplete(const char *s
, int len
, char *stateCharPtr
)
1665 } else if (state
== '"') {
1672 } else if (state
== ' ') {
1689 *stateCharPtr
= state
;
1690 return state
== ' ';
1693 /* -----------------------------------------------------------------------------
1695 * ---------------------------------------------------------------------------*/
1696 static int JimParseListSep(struct JimParserCtx
*pc
);
1697 static int JimParseListStr(struct JimParserCtx
*pc
);
1699 int JimParseList(struct JimParserCtx
*pc
)
1702 pc
->tstart
= pc
->tend
= pc
->p
;
1703 pc
->tline
= pc
->linenr
;
1704 pc
->tt
= JIM_TT_EOL
;
1713 if (pc
->state
== JIM_PS_DEF
)
1714 return JimParseListSep(pc
);
1716 return JimParseListStr(pc
);
1719 return JimParseListStr(pc
);
1725 int JimParseListSep(struct JimParserCtx
*pc
)
1728 pc
->tline
= pc
->linenr
;
1729 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== '\n')
1734 pc
->tt
= JIM_TT_SEP
;
1738 int JimParseListStr(struct JimParserCtx
*pc
)
1740 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1741 pc
->tt
== JIM_TT_NONE
);
1742 if (newword
&& *pc
->p
== '{') {
1743 return JimParseBrace(pc
);
1744 } else if (newword
&& *pc
->p
== '"') {
1745 pc
->state
= JIM_PS_QUOTE
;
1749 pc
->tline
= pc
->linenr
;
1753 pc
->tt
= JIM_TT_ESC
;
1764 if (pc
->state
== JIM_PS_DEF
) {
1766 pc
->tt
= JIM_TT_ESC
;
1768 } else if (*pc
->p
== '\n') {
1773 if (pc
->state
== JIM_PS_QUOTE
) {
1775 pc
->tt
= JIM_TT_ESC
;
1777 pc
->state
= JIM_PS_DEF
;
1784 return JIM_OK
; /* unreached */
1787 /* -----------------------------------------------------------------------------
1788 * Jim_Obj related functions
1789 * ---------------------------------------------------------------------------*/
1791 /* Return a new initialized object. */
1792 Jim_Obj
*Jim_NewObj(Jim_Interp
*interp
)
1796 /* -- Check if there are objects in the free list -- */
1797 if (interp
->freeList
!= NULL
) {
1798 /* -- Unlink the object from the free list -- */
1799 objPtr
= interp
->freeList
;
1800 interp
->freeList
= objPtr
->nextObjPtr
;
1802 /* -- No ready to use objects: allocate a new one -- */
1803 objPtr
= Jim_Alloc(sizeof(*objPtr
));
1806 /* Object is returned with refCount of 0. Every
1807 * kind of GC implemented should take care to don't try
1808 * to scan objects with refCount == 0. */
1809 objPtr
->refCount
= 0;
1810 /* All the other fields are left not initialized to save time.
1811 * The caller will probably want set they to the right
1814 /* -- Put the object into the live list -- */
1815 objPtr
->prevObjPtr
= NULL
;
1816 objPtr
->nextObjPtr
= interp
->liveList
;
1817 if (interp
->liveList
)
1818 interp
->liveList
->prevObjPtr
= objPtr
;
1819 interp
->liveList
= objPtr
;
1824 /* Free an object. Actually objects are never freed, but
1825 * just moved to the free objects list, where they will be
1826 * reused by Jim_NewObj(). */
1827 void Jim_FreeObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1829 /* Check if the object was already freed, panic. */
1830 if (objPtr
->refCount
!= 0) {
1831 Jim_Panic(interp
,"!!!Object %p freed with bad refcount %d", objPtr
,
1834 /* Free the internal representation */
1835 Jim_FreeIntRep(interp
, objPtr
);
1836 /* Free the string representation */
1837 if (objPtr
->bytes
!= NULL
) {
1838 if (objPtr
->bytes
!= JimEmptyStringRep
)
1839 Jim_Free(objPtr
->bytes
);
1841 /* Unlink the object from the live objects list */
1842 if (objPtr
->prevObjPtr
)
1843 objPtr
->prevObjPtr
->nextObjPtr
= objPtr
->nextObjPtr
;
1844 if (objPtr
->nextObjPtr
)
1845 objPtr
->nextObjPtr
->prevObjPtr
= objPtr
->prevObjPtr
;
1846 if (interp
->liveList
== objPtr
)
1847 interp
->liveList
= objPtr
->nextObjPtr
;
1848 /* Link the object into the free objects list */
1849 objPtr
->prevObjPtr
= NULL
;
1850 objPtr
->nextObjPtr
= interp
->freeList
;
1851 if (interp
->freeList
)
1852 interp
->freeList
->prevObjPtr
= objPtr
;
1853 interp
->freeList
= objPtr
;
1854 objPtr
->refCount
= -1;
1857 /* Invalidate the string representation of an object. */
1858 void Jim_InvalidateStringRep(Jim_Obj
*objPtr
)
1860 if (objPtr
->bytes
!= NULL
) {
1861 if (objPtr
->bytes
!= JimEmptyStringRep
)
1862 Jim_Free(objPtr
->bytes
);
1864 objPtr
->bytes
= NULL
;
1867 #define Jim_SetStringRep(o, b, l) \
1868 do { (o)->bytes = b; (o)->length = l; } while (0)
1870 /* Set the initial string representation for an object.
1871 * Does not try to free an old one. */
1872 void Jim_InitStringRep(Jim_Obj
*objPtr
, const char *bytes
, int length
)
1875 objPtr
->bytes
= JimEmptyStringRep
;
1878 objPtr
->bytes
= Jim_Alloc(length
+1);
1879 objPtr
->length
= length
;
1880 memcpy(objPtr
->bytes
, bytes
, length
);
1881 objPtr
->bytes
[length
] = '\0';
1885 /* Duplicate an object. The returned object has refcount = 0. */
1886 Jim_Obj
*Jim_DuplicateObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1890 dupPtr
= Jim_NewObj(interp
);
1891 if (objPtr
->bytes
== NULL
) {
1892 /* Object does not have a valid string representation. */
1893 dupPtr
->bytes
= NULL
;
1895 Jim_InitStringRep(dupPtr
, objPtr
->bytes
, objPtr
->length
);
1897 if (objPtr
->typePtr
!= NULL
) {
1898 if (objPtr
->typePtr
->dupIntRepProc
== NULL
) {
1899 dupPtr
->internalRep
= objPtr
->internalRep
;
1901 objPtr
->typePtr
->dupIntRepProc(interp
, objPtr
, dupPtr
);
1903 dupPtr
->typePtr
= objPtr
->typePtr
;
1905 dupPtr
->typePtr
= NULL
;
1910 /* Return the string representation for objPtr. If the object
1911 * string representation is invalid, calls the method to create
1912 * a new one starting from the internal representation of the object. */
1913 const char *Jim_GetString(Jim_Obj
*objPtr
, int *lenPtr
)
1915 if (objPtr
->bytes
== NULL
) {
1916 /* Invalid string repr. Generate it. */
1917 if (objPtr
->typePtr
->updateStringProc
== NULL
) {
1918 Jim_Panic(NULL
,"UpdataStringProc called against '%s' type.",
1919 objPtr
->typePtr
->name
);
1921 objPtr
->typePtr
->updateStringProc(objPtr
);
1924 *lenPtr
= objPtr
->length
;
1925 return objPtr
->bytes
;
1928 /* Just returns the length of the object's string rep */
1929 int Jim_Length(Jim_Obj
*objPtr
)
1933 Jim_GetString(objPtr
, &len
);
1937 /* -----------------------------------------------------------------------------
1939 * ---------------------------------------------------------------------------*/
1940 static void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
1941 static int SetStringFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
1943 static Jim_ObjType stringObjType
= {
1946 DupStringInternalRep
,
1948 JIM_TYPE_REFERENCES
,
1951 void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
1953 JIM_NOTUSED(interp
);
1955 /* This is a bit subtle: the only caller of this function
1956 * should be Jim_DuplicateObj(), that will copy the
1957 * string representaion. After the copy, the duplicated
1958 * object will not have more room in teh buffer than
1959 * srcPtr->length bytes. So we just set it to length. */
1960 dupPtr
->internalRep
.strValue
.maxLength
= srcPtr
->length
;
1963 int SetStringFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1965 /* Get a fresh string representation. */
1966 (void) Jim_GetString(objPtr
, NULL
);
1967 /* Free any other internal representation. */
1968 Jim_FreeIntRep(interp
, objPtr
);
1969 /* Set it as string, i.e. just set the maxLength field. */
1970 objPtr
->typePtr
= &stringObjType
;
1971 objPtr
->internalRep
.strValue
.maxLength
= objPtr
->length
;
1975 Jim_Obj
*Jim_NewStringObj(Jim_Interp
*interp
, const char *s
, int len
)
1977 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
1981 /* Alloc/Set the string rep. */
1983 objPtr
->bytes
= JimEmptyStringRep
;
1986 objPtr
->bytes
= Jim_Alloc(len
+1);
1987 objPtr
->length
= len
;
1988 memcpy(objPtr
->bytes
, s
, len
);
1989 objPtr
->bytes
[len
] = '\0';
1992 /* No typePtr field for the vanilla string object. */
1993 objPtr
->typePtr
= NULL
;
1997 /* This version does not try to duplicate the 's' pointer, but
1998 * use it directly. */
1999 Jim_Obj
*Jim_NewStringObjNoAlloc(Jim_Interp
*interp
, char *s
, int len
)
2001 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
2005 Jim_SetStringRep(objPtr
, s
, len
);
2006 objPtr
->typePtr
= NULL
;
2010 /* Low-level string append. Use it only against objects
2011 * of type "string". */
2012 void StringAppendString(Jim_Obj
*objPtr
, const char *str
, int len
)
2018 needlen
= objPtr
->length
+ len
;
2019 if (objPtr
->internalRep
.strValue
.maxLength
< needlen
||
2020 objPtr
->internalRep
.strValue
.maxLength
== 0) {
2021 if (objPtr
->bytes
== JimEmptyStringRep
) {
2022 objPtr
->bytes
= Jim_Alloc((needlen
*2)+1);
2024 objPtr
->bytes
= Jim_Realloc(objPtr
->bytes
, (needlen
*2)+1);
2026 objPtr
->internalRep
.strValue
.maxLength
= needlen
*2;
2028 memcpy(objPtr
->bytes
+ objPtr
->length
, str
, len
);
2029 objPtr
->bytes
[objPtr
->length
+len
] = '\0';
2030 objPtr
->length
+= len
;
2033 /* Low-level wrapper to append an object. */
2034 void StringAppendObj(Jim_Obj
*objPtr
, Jim_Obj
*appendObjPtr
)
2039 str
= Jim_GetString(appendObjPtr
, &len
);
2040 StringAppendString(objPtr
, str
, len
);
2043 /* Higher level API to append strings to objects. */
2044 void Jim_AppendString(Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *str
,
2047 if (Jim_IsShared(objPtr
))
2048 Jim_Panic(interp
,"Jim_AppendString called with shared object");
2049 if (objPtr
->typePtr
!= &stringObjType
)
2050 SetStringFromAny(interp
, objPtr
);
2051 StringAppendString(objPtr
, str
, len
);
2054 void Jim_AppendString_sprintf( Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *fmt
, ... )
2059 va_start( ap
, fmt
);
2060 buf
= jim_vasprintf( fmt
, ap
);
2064 Jim_AppendString( interp
, objPtr
, buf
, -1 );
2065 jim_vasprintf_done(buf
);
2070 void Jim_AppendObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2071 Jim_Obj
*appendObjPtr
)
2076 str
= Jim_GetString(appendObjPtr
, &len
);
2077 Jim_AppendString(interp
, objPtr
, str
, len
);
2080 void Jim_AppendStrings(Jim_Interp
*interp
, Jim_Obj
*objPtr
, ...)
2084 if (objPtr
->typePtr
!= &stringObjType
)
2085 SetStringFromAny(interp
, objPtr
);
2086 va_start(ap
, objPtr
);
2088 char *s
= va_arg(ap
, char*);
2090 if (s
== NULL
) break;
2091 Jim_AppendString(interp
, objPtr
, s
, -1);
2096 int Jim_StringEqObj(Jim_Obj
*aObjPtr
, Jim_Obj
*bObjPtr
, int nocase
)
2098 const char *aStr
, *bStr
;
2101 if (aObjPtr
== bObjPtr
) return 1;
2102 aStr
= Jim_GetString(aObjPtr
, &aLen
);
2103 bStr
= Jim_GetString(bObjPtr
, &bLen
);
2104 if (aLen
!= bLen
) return 0;
2106 return memcmp(aStr
, bStr
, aLen
) == 0;
2107 for (i
= 0; i
< aLen
; i
++) {
2108 if (tolower((int)aStr
[i
]) != tolower((int)bStr
[i
]))
2114 int Jim_StringMatchObj(Jim_Obj
*patternObjPtr
, Jim_Obj
*objPtr
,
2117 const char *pattern
, *string
;
2118 int patternLen
, stringLen
;
2120 pattern
= Jim_GetString(patternObjPtr
, &patternLen
);
2121 string
= Jim_GetString(objPtr
, &stringLen
);
2122 return JimStringMatch(pattern
, patternLen
, string
, stringLen
, nocase
);
2125 int Jim_StringCompareObj(Jim_Obj
*firstObjPtr
,
2126 Jim_Obj
*secondObjPtr
, int nocase
)
2128 const char *s1
, *s2
;
2131 s1
= Jim_GetString(firstObjPtr
, &l1
);
2132 s2
= Jim_GetString(secondObjPtr
, &l2
);
2133 return JimStringCompare(s1
, l1
, s2
, l2
, nocase
);
2136 /* Convert a range, as returned by Jim_GetRange(), into
2137 * an absolute index into an object of the specified length.
2138 * This function may return negative values, or values
2139 * bigger or equal to the length of the list if the index
2140 * is out of range. */
2141 static int JimRelToAbsIndex(int len
, int index
)
2148 /* Convert a pair of index as normalize by JimRelToAbsIndex(),
2149 * into a range stored in *firstPtr, *lastPtr, *rangeLenPtr, suitable
2150 * for implementation of commands like [string range] and [lrange].
2152 * The resulting range is guaranteed to address valid elements of
2154 static void JimRelToAbsRange(int len
, int first
, int last
,
2155 int *firstPtr
, int *lastPtr
, int *rangeLenPtr
)
2162 rangeLen
= last
-first
+1;
2169 rangeLen
-= (last
-(len
-1));
2174 if (rangeLen
< 0) rangeLen
= 0;
2178 *rangeLenPtr
= rangeLen
;
2181 Jim_Obj
*Jim_StringRangeObj(Jim_Interp
*interp
,
2182 Jim_Obj
*strObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
2188 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
2189 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
2191 str
= Jim_GetString(strObjPtr
, &len
);
2192 first
= JimRelToAbsIndex(len
, first
);
2193 last
= JimRelToAbsIndex(len
, last
);
2194 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
2195 return Jim_NewStringObj(interp
, str
+first
, rangeLen
);
2198 static Jim_Obj
*JimStringToLower(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2200 char *buf
= Jim_Alloc(strObjPtr
->length
+1);
2203 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2204 for (i
= 0; i
< strObjPtr
->length
; i
++)
2205 buf
[i
] = tolower(buf
[i
]);
2206 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2209 static Jim_Obj
*JimStringToUpper(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2211 char *buf
= Jim_Alloc(strObjPtr
->length
+1);
2214 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2215 for (i
= 0; i
< strObjPtr
->length
; i
++)
2216 buf
[i
] = toupper(buf
[i
]);
2217 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2220 /* This is the core of the [format] command.
2221 * TODO: Lots of things work - via a hack
2222 * However, no format item can be >= JIM_MAX_FMT
2224 #define JIM_MAX_FMT 2048
2225 static Jim_Obj
*Jim_FormatString_Inner(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2226 int objc
, Jim_Obj
*const *objv
, char *sprintf_buf
)
2228 const char *fmt
, *_fmt
;
2233 fmt
= Jim_GetString(fmtObjPtr
, &fmtLen
);
2235 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
2237 const char *p
= fmt
;
2241 /* we cheat and use Sprintf()! */
2255 while (*fmt
!= '%' && fmtLen
) {
2258 Jim_AppendString(interp
, resObjPtr
, p
, fmt
-p
);
2261 fmt
++; fmtLen
--; /* skip '%' */
2270 prec
= -1; /* not found yet */
2277 case 'b': /* binary - not all printfs() do this */
2278 case 's': /* string */
2279 case 'i': /* integer */
2280 case 'd': /* decimal */
2282 case 'X': /* CAP hex */
2283 case 'c': /* char */
2284 case 'o': /* octal */
2285 case 'u': /* unsigned */
2286 case 'f': /* float */
2290 case '0': /* zero pad */
2300 case ' ': /* sign space */
2330 while( isdigit(*fmt
) && (fmtLen
> 0) ){
2331 accum
= (accum
* 10) + (*fmt
- '0');
2342 /* suck up the next item as an integer */
2346 goto not_enough_args
;
2348 if( Jim_GetWide(interp
,objv
[0],&wideValue
)== JIM_ERR
){
2349 Jim_FreeNewObj(interp
, resObjPtr
);
2356 /* man 3 printf says */
2357 /* if prec is negative, it is zero */
2376 Jim_FreeNewObj(interp
, resObjPtr
);
2377 Jim_SetResultString(interp
,
2378 "not enough arguments for all format specifiers", -1);
2386 * Create the formatter
2387 * cause we cheat and use sprintf()
2397 /* PLUS overrides */
2407 sprintf( cp
, "%d", width
);
2411 /* did we find a period? */
2415 /* did something occur after the period? */
2417 sprintf( cp
, "%d", prec
);
2423 /* here we do the work */
2424 /* actually - we make sprintf() do it for us */
2429 /* BUG: we do not handled embeded NULLs */
2430 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, Jim_GetString( objv
[0], NULL
));
2435 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2436 Jim_FreeNewObj(interp
, resObjPtr
);
2439 c
= (char) wideValue
;
2440 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, c
);
2450 if( Jim_GetDouble( interp
, objv
[0], &doubleValue
) == JIM_ERR
){
2451 Jim_FreeNewObj( interp
, resObjPtr
);
2454 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, doubleValue
);
2462 /* jim widevaluse are 64bit */
2463 if( sizeof(jim_wide
) == sizeof(long long) ){
2471 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2472 Jim_FreeNewObj(interp
, resObjPtr
);
2475 snprintf(sprintf_buf
, JIM_MAX_FMT
, fmt_str
, wideValue
);
2478 sprintf_buf
[0] = '%';
2480 objv
--; /* undo the objv++ below */
2483 spec
[0] = *fmt
; spec
[1] = '\0';
2484 Jim_FreeNewObj(interp
, resObjPtr
);
2485 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2486 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2487 "bad field specifier \"", spec
, "\"", NULL
);
2490 /* force terminate */
2492 printf("FMT was: %s\n", fmt_str
);
2493 printf("RES was: |%s|\n", sprintf_buf
);
2496 sprintf_buf
[ JIM_MAX_FMT
- 1] = 0;
2497 Jim_AppendString( interp
, resObjPtr
, sprintf_buf
, strlen(sprintf_buf
) );
2506 Jim_Obj
*Jim_FormatString(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2507 int objc
, Jim_Obj
*const *objv
)
2509 char *sprintf_buf
=malloc(JIM_MAX_FMT
);
2510 Jim_Obj
*t
=Jim_FormatString_Inner(interp
, fmtObjPtr
, objc
, objv
, sprintf_buf
);
2515 /* -----------------------------------------------------------------------------
2516 * Compared String Object
2517 * ---------------------------------------------------------------------------*/
2519 /* This is strange object that allows to compare a C literal string
2520 * with a Jim object in very short time if the same comparison is done
2521 * multiple times. For example every time the [if] command is executed,
2522 * Jim has to check if a given argument is "else". This comparions if
2523 * the code has no errors are true most of the times, so we can cache
2524 * inside the object the pointer of the string of the last matching
2525 * comparison. Because most C compilers perform literal sharing,
2526 * so that: char *x = "foo", char *y = "foo", will lead to x == y,
2527 * this works pretty well even if comparisons are at different places
2528 * inside the C code. */
2530 static Jim_ObjType comparedStringObjType
= {
2535 JIM_TYPE_REFERENCES
,
2538 /* The only way this object is exposed to the API is via the following
2539 * function. Returns true if the string and the object string repr.
2540 * are the same, otherwise zero is returned.
2542 * Note: this isn't binary safe, but it hardly needs to be.*/
2543 int Jim_CompareStringImmediate(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2546 if (objPtr
->typePtr
== &comparedStringObjType
&&
2547 objPtr
->internalRep
.ptr
== str
)
2550 const char *objStr
= Jim_GetString(objPtr
, NULL
);
2551 if (strcmp(str
, objStr
) != 0) return 0;
2552 if (objPtr
->typePtr
!= &comparedStringObjType
) {
2553 Jim_FreeIntRep(interp
, objPtr
);
2554 objPtr
->typePtr
= &comparedStringObjType
;
2556 objPtr
->internalRep
.ptr
= (char*)str
; /*ATTENTION: const cast */
2561 int qsortCompareStringPointers(const void *a
, const void *b
)
2563 char * const *sa
= (char * const *)a
;
2564 char * const *sb
= (char * const *)b
;
2565 return strcmp(*sa
, *sb
);
2568 int Jim_GetEnum(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2569 const char * const *tablePtr
, int *indexPtr
, const char *name
, int flags
)
2571 const char * const *entryPtr
= NULL
;
2572 char **tablePtrSorted
;
2576 for (entryPtr
= tablePtr
, i
= 0; *entryPtr
!= NULL
; entryPtr
++, i
++) {
2577 if (Jim_CompareStringImmediate(interp
, objPtr
, *entryPtr
)) {
2581 count
++; /* If nothing matches, this will reach the len of tablePtr */
2583 if (flags
& JIM_ERRMSG
) {
2586 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2587 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2588 "bad ", name
, " \"", Jim_GetString(objPtr
, NULL
), "\": must be one of ",
2590 tablePtrSorted
= Jim_Alloc(sizeof(char*)*count
);
2591 memcpy(tablePtrSorted
, tablePtr
, sizeof(char*)*count
);
2592 qsort(tablePtrSorted
, count
, sizeof(char*), qsortCompareStringPointers
);
2593 for (i
= 0; i
< count
; i
++) {
2594 if (i
+1 == count
&& count
> 1)
2595 Jim_AppendString(interp
, Jim_GetResult(interp
), "or ", -1);
2596 Jim_AppendString(interp
, Jim_GetResult(interp
),
2597 tablePtrSorted
[i
], -1);
2599 Jim_AppendString(interp
, Jim_GetResult(interp
), ", ", -1);
2601 Jim_Free(tablePtrSorted
);
2606 int Jim_GetNvp(Jim_Interp
*interp
,
2608 const Jim_Nvp
*nvp_table
,
2609 const Jim_Nvp
** result
)
2614 e
= Jim_Nvp_name2value_obj( interp
, nvp_table
, objPtr
, &n
);
2619 /* Success? found? */
2622 *result
= (Jim_Nvp
*)n
;
2629 /* -----------------------------------------------------------------------------
2632 * This object is just a string from the language point of view, but
2633 * in the internal representation it contains the filename and line number
2634 * where this given token was read. This information is used by
2635 * Jim_EvalObj() if the object passed happens to be of type "source".
2637 * This allows to propagate the information about line numbers and file
2638 * names and give error messages with absolute line numbers.
2640 * Note that this object uses shared strings for filenames, and the
2641 * pointer to the filename together with the line number is taken into
2642 * the space for the "inline" internal represenation of the Jim_Object,
2643 * so there is almost memory zero-overhead.
2645 * Also the object will be converted to something else if the given
2646 * token it represents in the source file is not something to be
2647 * evaluated (not a script), and will be specialized in some other way,
2648 * so the time overhead is alzo null.
2649 * ---------------------------------------------------------------------------*/
2651 static void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2652 static void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2654 static Jim_ObjType sourceObjType
= {
2656 FreeSourceInternalRep
,
2657 DupSourceInternalRep
,
2659 JIM_TYPE_REFERENCES
,
2662 void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2664 Jim_ReleaseSharedString(interp
,
2665 objPtr
->internalRep
.sourceValue
.fileName
);
2668 void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2670 dupPtr
->internalRep
.sourceValue
.fileName
=
2671 Jim_GetSharedString(interp
,
2672 srcPtr
->internalRep
.sourceValue
.fileName
);
2673 dupPtr
->internalRep
.sourceValue
.lineNumber
=
2674 dupPtr
->internalRep
.sourceValue
.lineNumber
;
2675 dupPtr
->typePtr
= &sourceObjType
;
2678 static void JimSetSourceInfo(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2679 const char *fileName
, int lineNumber
)
2681 if (Jim_IsShared(objPtr
))
2682 Jim_Panic(interp
,"JimSetSourceInfo called with shared object");
2683 if (objPtr
->typePtr
!= NULL
)
2684 Jim_Panic(interp
,"JimSetSourceInfo called with typePtr != NULL");
2685 objPtr
->internalRep
.sourceValue
.fileName
=
2686 Jim_GetSharedString(interp
, fileName
);
2687 objPtr
->internalRep
.sourceValue
.lineNumber
= lineNumber
;
2688 objPtr
->typePtr
= &sourceObjType
;
2691 /* -----------------------------------------------------------------------------
2693 * ---------------------------------------------------------------------------*/
2695 #define JIM_CMDSTRUCT_EXPAND -1
2697 static void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2698 static void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2699 static int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
2701 static Jim_ObjType scriptObjType
= {
2703 FreeScriptInternalRep
,
2704 DupScriptInternalRep
,
2706 JIM_TYPE_REFERENCES
,
2709 /* The ScriptToken structure represents every token into a scriptObj.
2710 * Every token contains an associated Jim_Obj that can be specialized
2711 * by commands operating on it. */
2712 typedef struct ScriptToken
{
2718 /* This is the script object internal representation. An array of
2719 * ScriptToken structures, with an associated command structure array.
2720 * The command structure is a pre-computed representation of the
2721 * command length and arguments structure as a simple liner array
2724 * For example the script:
2727 * set $i $x$y [foo]BAR
2729 * will produce a ScriptObj with the following Tokens:
2746 * This is a description of the tokens, separators, and of lines.
2747 * The command structure instead represents the number of arguments
2748 * of every command, followed by the tokens of which every argument
2749 * is composed. So for the example script, the cmdstruct array will
2754 * Because "puts hello" has two args (2), composed of single tokens (1 1)
2755 * While "set $i $x$y [foo]BAR" has four (4) args, the first two
2756 * composed of single tokens (1 1) and the last two of double tokens
2759 * The precomputation of the command structure makes Jim_Eval() faster,
2760 * and simpler because there aren't dynamic lengths / allocations.
2762 * -- {expand} handling --
2764 * Expand is handled in a special way. When a command
2765 * contains at least an argument with the {expand} prefix,
2766 * the command structure presents a -1 before the integer
2767 * describing the number of arguments. This is used in order
2768 * to send the command exection to a different path in case
2769 * of {expand} and guarantee a fast path for the more common
2770 * case. Also, the integers describing the number of tokens
2771 * are expressed with negative sign, to allow for fast check
2772 * of what's an {expand}-prefixed argument and what not.
2774 * For example the command:
2776 * list {expand}{1 2}
2778 * Will produce the following cmdstruct array:
2782 * -- the substFlags field of the structure --
2784 * The scriptObj structure is used to represent both "script" objects
2785 * and "subst" objects. In the second case, the cmdStruct related
2786 * fields are not used at all, but there is an additional field used
2787 * that is 'substFlags': this represents the flags used to turn
2788 * the string into the intenral representation used to perform the
2789 * substitution. If this flags are not what the application requires
2790 * the scriptObj is created again. For example the script:
2792 * subst -nocommands $string
2793 * subst -novariables $string
2795 * Will recreate the internal representation of the $string object
2798 typedef struct ScriptObj
{
2799 int len
; /* Length as number of tokens. */
2800 int commands
; /* number of top-level commands in script. */
2801 ScriptToken
*token
; /* Tokens array. */
2802 int *cmdStruct
; /* commands structure */
2803 int csLen
; /* length of the cmdStruct array. */
2804 int substFlags
; /* flags used for the compilation of "subst" objects */
2805 int inUse
; /* Used to share a ScriptObj. Currently
2806 only used by Jim_EvalObj() as protection against
2807 shimmering of the currently evaluated object. */
2811 void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2814 struct ScriptObj
*script
= (void*) objPtr
->internalRep
.ptr
;
2817 if (script
->inUse
!= 0) return;
2818 for (i
= 0; i
< script
->len
; i
++) {
2819 if (script
->token
[i
].objPtr
!= NULL
)
2820 Jim_DecrRefCount(interp
, script
->token
[i
].objPtr
);
2822 Jim_Free(script
->token
);
2823 Jim_Free(script
->cmdStruct
);
2824 Jim_Free(script
->fileName
);
2828 void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2830 JIM_NOTUSED(interp
);
2831 JIM_NOTUSED(srcPtr
);
2833 /* Just returns an simple string. */
2834 dupPtr
->typePtr
= NULL
;
2837 /* Add a new token to the internal repr of a script object */
2838 static void ScriptObjAddToken(Jim_Interp
*interp
, struct ScriptObj
*script
,
2839 char *strtoken
, int len
, int type
, char *filename
, int linenr
)
2842 struct ScriptToken
*token
;
2844 prevtype
= (script
->len
== 0) ? JIM_TT_EOL
: \
2845 script
->token
[script
->len
-1].type
;
2846 /* Skip tokens without meaning, like words separators
2847 * following a word separator or an end of command and
2849 if (prevtype
== JIM_TT_EOL
) {
2850 if (type
== JIM_TT_EOL
|| type
== JIM_TT_SEP
) {
2854 } else if (prevtype
== JIM_TT_SEP
) {
2855 if (type
== JIM_TT_SEP
) {
2858 } else if (type
== JIM_TT_EOL
) {
2859 /* If an EOL is following by a SEP, drop the previous
2862 Jim_DecrRefCount(interp
, script
->token
[script
->len
].objPtr
);
2864 } else if (prevtype
!= JIM_TT_EOL
&& prevtype
!= JIM_TT_SEP
&&
2865 type
== JIM_TT_ESC
&& len
== 0)
2867 /* Don't add empty tokens used in interpolation */
2871 /* Make space for a new istruction */
2873 script
->token
= Jim_Realloc(script
->token
,
2874 sizeof(ScriptToken
)*script
->len
);
2875 /* Initialize the new token */
2876 token
= script
->token
+(script
->len
-1);
2878 /* Every object is intially as a string, but the
2879 * internal type may be specialized during execution of the
2881 token
->objPtr
= Jim_NewStringObjNoAlloc(interp
, strtoken
, len
);
2882 /* To add source info to SEP and EOL tokens is useless because
2883 * they will never by called as arguments of Jim_EvalObj(). */
2884 if (filename
&& type
!= JIM_TT_SEP
&& type
!= JIM_TT_EOL
)
2885 JimSetSourceInfo(interp
, token
->objPtr
, filename
, linenr
);
2886 Jim_IncrRefCount(token
->objPtr
);
2887 token
->linenr
= linenr
;
2890 /* Add an integer into the command structure field of the script object. */
2891 static void ScriptObjAddInt(struct ScriptObj
*script
, int val
)
2894 script
->cmdStruct
= Jim_Realloc(script
->cmdStruct
,
2895 sizeof(int)*script
->csLen
);
2896 script
->cmdStruct
[script
->csLen
-1] = val
;
2899 /* Search a Jim_Obj contained in 'script' with the same stinrg repr.
2900 * of objPtr. Search nested script objects recursively. */
2901 static Jim_Obj
*ScriptSearchLiteral(Jim_Interp
*interp
, ScriptObj
*script
,
2902 ScriptObj
*scriptBarrier
, Jim_Obj
*objPtr
)
2906 for (i
= 0; i
< script
->len
; i
++) {
2907 if (script
->token
[i
].objPtr
!= objPtr
&&
2908 Jim_StringEqObj(script
->token
[i
].objPtr
, objPtr
, 0)) {
2909 return script
->token
[i
].objPtr
;
2911 /* Enter recursively on scripts only if the object
2912 * is not the same as the one we are searching for
2913 * shared occurrences. */
2914 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
&&
2915 script
->token
[i
].objPtr
!= objPtr
) {
2916 Jim_Obj
*foundObjPtr
;
2918 ScriptObj
*subScript
=
2919 script
->token
[i
].objPtr
->internalRep
.ptr
;
2920 /* Don't recursively enter the script we are trying
2921 * to make shared to avoid circular references. */
2922 if (subScript
== scriptBarrier
) continue;
2923 if (subScript
!= script
) {
2925 ScriptSearchLiteral(interp
, subScript
,
2926 scriptBarrier
, objPtr
);
2927 if (foundObjPtr
!= NULL
)
2935 /* Share literals of a script recursively sharing sub-scripts literals. */
2936 static void ScriptShareLiterals(Jim_Interp
*interp
, ScriptObj
*script
,
2937 ScriptObj
*topLevelScript
)
2942 /* Try to share with toplevel object. */
2943 if (topLevelScript
!= NULL
) {
2944 for (i
= 0; i
< script
->len
; i
++) {
2945 Jim_Obj
*foundObjPtr
;
2946 char *str
= script
->token
[i
].objPtr
->bytes
;
2948 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2949 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
) continue;
2950 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2951 foundObjPtr
= ScriptSearchLiteral(interp
,
2953 script
, /* barrier */
2954 script
->token
[i
].objPtr
);
2955 if (foundObjPtr
!= NULL
) {
2956 Jim_IncrRefCount(foundObjPtr
);
2957 Jim_DecrRefCount(interp
,
2958 script
->token
[i
].objPtr
);
2959 script
->token
[i
].objPtr
= foundObjPtr
;
2963 /* Try to share locally */
2964 for (i
= 0; i
< script
->len
; i
++) {
2965 char *str
= script
->token
[i
].objPtr
->bytes
;
2967 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2968 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2969 for (j
= 0; j
< script
->len
; j
++) {
2970 if (script
->token
[i
].objPtr
!=
2971 script
->token
[j
].objPtr
&&
2972 Jim_StringEqObj(script
->token
[i
].objPtr
,
2973 script
->token
[j
].objPtr
, 0))
2975 Jim_IncrRefCount(script
->token
[j
].objPtr
);
2976 Jim_DecrRefCount(interp
,
2977 script
->token
[i
].objPtr
);
2978 script
->token
[i
].objPtr
=
2979 script
->token
[j
].objPtr
;
2985 /* This method takes the string representation of an object
2986 * as a Tcl script, and generates the pre-parsed internal representation
2988 int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
2991 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
2992 struct JimParserCtx parser
;
2993 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
2995 int args
, tokens
, start
, end
, i
;
2996 int initialLineNumber
;
2997 int propagateSourceInfo
= 0;
3001 script
->commands
= 0;
3002 script
->token
= NULL
;
3003 script
->cmdStruct
= NULL
;
3005 /* Try to get information about filename / line number */
3006 if (objPtr
->typePtr
== &sourceObjType
) {
3008 Jim_StrDup(objPtr
->internalRep
.sourceValue
.fileName
);
3009 initialLineNumber
= objPtr
->internalRep
.sourceValue
.lineNumber
;
3010 propagateSourceInfo
= 1;
3012 script
->fileName
= Jim_StrDup("?");
3013 initialLineNumber
= 1;
3016 JimParserInit(&parser
, scriptText
, scriptTextLen
, initialLineNumber
);
3017 while(!JimParserEof(&parser
)) {
3019 int len
, type
, linenr
;
3021 JimParseScript(&parser
);
3022 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
3023 ScriptObjAddToken(interp
, script
, token
, len
, type
,
3024 propagateSourceInfo
? script
->fileName
: NULL
,
3027 token
= script
->token
;
3029 /* Compute the command structure array
3030 * (see the ScriptObj struct definition for more info) */
3031 start
= 0; /* Current command start token index */
3032 end
= -1; /* Current command end token index */
3034 int expand
= 0; /* expand flag. set to 1 on {expand} form. */
3035 int interpolation
= 0; /* set to 1 if there is at least one
3036 argument of the command obtained via
3037 interpolation of more tokens. */
3038 /* Search for the end of command, while
3039 * count the number of args. */
3041 if (start
>= script
->len
) break;
3042 args
= 1; /* Number of args in current command */
3043 while (token
[end
].type
!= JIM_TT_EOL
) {
3044 if (end
== 0 || token
[end
-1].type
== JIM_TT_SEP
||
3045 token
[end
-1].type
== JIM_TT_EOL
)
3047 if (token
[end
].type
== JIM_TT_STR
&&
3048 token
[end
+1].type
!= JIM_TT_SEP
&&
3049 token
[end
+1].type
!= JIM_TT_EOL
&&
3050 (!strcmp(token
[end
].objPtr
->bytes
, "expand") ||
3051 !strcmp(token
[end
].objPtr
->bytes
, "*")))
3054 if (token
[end
].type
== JIM_TT_SEP
)
3058 interpolation
= !((end
-start
+1) == args
*2);
3059 /* Add the 'number of arguments' info into cmdstruct.
3060 * Negative value if there is list expansion involved. */
3062 ScriptObjAddInt(script
, -1);
3063 ScriptObjAddInt(script
, args
);
3064 /* Now add info about the number of tokens. */
3065 tokens
= 0; /* Number of tokens in current argument. */
3067 for (i
= start
; i
<= end
; i
++) {
3068 if (token
[i
].type
== JIM_TT_SEP
||
3069 token
[i
].type
== JIM_TT_EOL
)
3071 if (tokens
== 1 && expand
)
3073 ScriptObjAddInt(script
,
3074 expand
? -tokens
: tokens
);
3079 } else if (tokens
== 0 && token
[i
].type
== JIM_TT_STR
&&
3080 (!strcmp(token
[i
].objPtr
->bytes
, "expand") ||
3081 !strcmp(token
[i
].objPtr
->bytes
, "*")))
3088 /* Perform literal sharing, but only for objects that appear
3089 * to be scripts written as literals inside the source code,
3090 * and not computed at runtime. Literal sharing is a costly
3091 * operation that should be done only against objects that
3092 * are likely to require compilation only the first time, and
3093 * then are executed multiple times. */
3094 if (propagateSourceInfo
&& interp
->framePtr
->procBodyObjPtr
) {
3095 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
3096 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
3097 ScriptObj
*bodyScript
=
3098 bodyObjPtr
->internalRep
.ptr
;
3099 ScriptShareLiterals(interp
, script
, bodyScript
);
3101 } else if (propagateSourceInfo
) {
3102 ScriptShareLiterals(interp
, script
, NULL
);
3104 /* Free the old internal rep and set the new one. */
3105 Jim_FreeIntRep(interp
, objPtr
);
3106 Jim_SetIntRepPtr(objPtr
, script
);
3107 objPtr
->typePtr
= &scriptObjType
;
3111 ScriptObj
*Jim_GetScript(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3113 if (objPtr
->typePtr
!= &scriptObjType
) {
3114 SetScriptFromAny(interp
, objPtr
);
3116 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
3119 /* -----------------------------------------------------------------------------
3121 * ---------------------------------------------------------------------------*/
3123 /* Commands HashTable Type.
3125 * Keys are dynamic allocated strings, Values are Jim_Cmd structures. */
3126 static void Jim_CommandsHT_ValDestructor(void *interp
, void *val
)
3128 Jim_Cmd
*cmdPtr
= (void*) val
;
3130 if (cmdPtr
->cmdProc
== NULL
) {
3131 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3132 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3133 if (cmdPtr
->staticVars
) {
3134 Jim_FreeHashTable(cmdPtr
->staticVars
);
3135 Jim_Free(cmdPtr
->staticVars
);
3137 } else if (cmdPtr
->delProc
!= NULL
) {
3138 /* If it was a C coded command, call the delProc if any */
3139 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3144 static Jim_HashTableType JimCommandsHashTableType
= {
3145 JimStringCopyHTHashFunction
, /* hash function */
3146 JimStringCopyHTKeyDup
, /* key dup */
3148 JimStringCopyHTKeyCompare
, /* key compare */
3149 JimStringCopyHTKeyDestructor
, /* key destructor */
3150 Jim_CommandsHT_ValDestructor
/* val destructor */
3153 /* ------------------------- Commands related functions --------------------- */
3155 int Jim_CreateCommand(Jim_Interp
*interp
, const char *cmdName
,
3156 Jim_CmdProc cmdProc
, void *privData
, Jim_DelCmdProc delProc
)
3161 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3162 if (he
== NULL
) { /* New command to create */
3163 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3164 cmdPtr
->cmdProc
= cmdProc
;
3165 cmdPtr
->privData
= privData
;
3166 cmdPtr
->delProc
= delProc
;
3167 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3169 Jim_InterpIncrProcEpoch(interp
);
3170 /* Free the arglist/body objects if it was a Tcl procedure */
3172 if (cmdPtr
->cmdProc
== NULL
) {
3173 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3174 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3175 if (cmdPtr
->staticVars
) {
3176 Jim_FreeHashTable(cmdPtr
->staticVars
);
3177 Jim_Free(cmdPtr
->staticVars
);
3179 cmdPtr
->staticVars
= NULL
;
3180 } else if (cmdPtr
->delProc
!= NULL
) {
3181 /* If it was a C coded command, call the delProc if any */
3182 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3184 cmdPtr
->cmdProc
= cmdProc
;
3185 cmdPtr
->privData
= privData
;
3187 /* There is no need to increment the 'proc epoch' because
3188 * creation of a new procedure can never affect existing
3189 * cached commands. We don't do negative caching. */
3193 int Jim_CreateProcedure(Jim_Interp
*interp
, const char *cmdName
,
3194 Jim_Obj
*argListObjPtr
, Jim_Obj
*staticsListObjPtr
, Jim_Obj
*bodyObjPtr
,
3195 int arityMin
, int arityMax
)
3199 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3200 cmdPtr
->cmdProc
= NULL
; /* Not a C coded command */
3201 cmdPtr
->argListObjPtr
= argListObjPtr
;
3202 cmdPtr
->bodyObjPtr
= bodyObjPtr
;
3203 Jim_IncrRefCount(argListObjPtr
);
3204 Jim_IncrRefCount(bodyObjPtr
);
3205 cmdPtr
->arityMin
= arityMin
;
3206 cmdPtr
->arityMax
= arityMax
;
3207 cmdPtr
->staticVars
= NULL
;
3209 /* Create the statics hash table. */
3210 if (staticsListObjPtr
) {
3213 Jim_ListLength(interp
, staticsListObjPtr
, &len
);
3215 cmdPtr
->staticVars
= Jim_Alloc(sizeof(Jim_HashTable
));
3216 Jim_InitHashTable(cmdPtr
->staticVars
, &JimVariablesHashTableType
,
3218 for (i
= 0; i
< len
; i
++) {
3219 Jim_Obj
*objPtr
, *initObjPtr
, *nameObjPtr
;
3223 Jim_ListIndex(interp
, staticsListObjPtr
, i
, &objPtr
, JIM_NONE
);
3224 /* Check if it's composed of two elements. */
3225 Jim_ListLength(interp
, objPtr
, &subLen
);
3226 if (subLen
== 1 || subLen
== 2) {
3227 /* Try to get the variable value from the current
3229 Jim_ListIndex(interp
, objPtr
, 0, &nameObjPtr
, JIM_NONE
);
3231 initObjPtr
= Jim_GetVariable(interp
, nameObjPtr
,
3233 if (initObjPtr
== NULL
) {
3234 Jim_SetResult(interp
,
3235 Jim_NewEmptyStringObj(interp
));
3236 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3237 "variable for initialization of static \"",
3238 Jim_GetString(nameObjPtr
, NULL
),
3239 "\" not found in the local context",
3244 Jim_ListIndex(interp
, objPtr
, 1, &initObjPtr
, JIM_NONE
);
3246 varPtr
= Jim_Alloc(sizeof(*varPtr
));
3247 varPtr
->objPtr
= initObjPtr
;
3248 Jim_IncrRefCount(initObjPtr
);
3249 varPtr
->linkFramePtr
= NULL
;
3250 if (Jim_AddHashEntry(cmdPtr
->staticVars
,
3251 Jim_GetString(nameObjPtr
, NULL
),
3254 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3255 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3256 "static variable name \"",
3257 Jim_GetString(objPtr
, NULL
), "\"",
3258 " duplicated in statics list", NULL
);
3259 Jim_DecrRefCount(interp
, initObjPtr
);
3264 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3265 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3266 "too many fields in static specifier \"",
3267 objPtr
, "\"", NULL
);
3274 /* Add the new command */
3276 /* it may already exist, so we try to delete the old one */
3277 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) != JIM_ERR
) {
3278 /* There was an old procedure with the same name, this requires
3279 * a 'proc epoch' update. */
3280 Jim_InterpIncrProcEpoch(interp
);
3282 /* If a procedure with the same name didn't existed there is no need
3283 * to increment the 'proc epoch' because creation of a new procedure
3284 * can never affect existing cached commands. We don't do
3285 * negative caching. */
3286 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3290 Jim_FreeHashTable(cmdPtr
->staticVars
);
3291 Jim_Free(cmdPtr
->staticVars
);
3292 Jim_DecrRefCount(interp
, argListObjPtr
);
3293 Jim_DecrRefCount(interp
, bodyObjPtr
);
3298 int Jim_DeleteCommand(Jim_Interp
*interp
, const char *cmdName
)
3300 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) == JIM_ERR
)
3302 Jim_InterpIncrProcEpoch(interp
);
3306 int Jim_RenameCommand(Jim_Interp
*interp
, const char *oldName
,
3307 const char *newName
)
3311 Jim_Cmd
*copyCmdPtr
;
3313 if (newName
[0] == '\0') /* Delete! */
3314 return Jim_DeleteCommand(interp
, oldName
);
3316 he
= Jim_FindHashEntry(&interp
->commands
, oldName
);
3318 return JIM_ERR
; /* Invalid command name */
3320 copyCmdPtr
= Jim_Alloc(sizeof(Jim_Cmd
));
3321 *copyCmdPtr
= *cmdPtr
;
3322 /* In order to avoid that a procedure will get arglist/body/statics
3323 * freed by the hash table methods, fake a C-coded command
3324 * setting cmdPtr->cmdProc as not NULL */
3325 cmdPtr
->cmdProc
= (void*)1;
3326 /* Also make sure delProc is NULL. */
3327 cmdPtr
->delProc
= NULL
;
3328 /* Destroy the old command, and make sure the new is freed
3330 Jim_DeleteHashEntry(&interp
->commands
, oldName
);
3331 Jim_DeleteHashEntry(&interp
->commands
, newName
);
3332 /* Now the new command. We are sure it can't fail because
3333 * the target name was already freed. */
3334 Jim_AddHashEntry(&interp
->commands
, newName
, copyCmdPtr
);
3335 /* Increment the epoch */
3336 Jim_InterpIncrProcEpoch(interp
);
3340 /* -----------------------------------------------------------------------------
3342 * ---------------------------------------------------------------------------*/
3344 static int SetCommandFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3346 static Jim_ObjType commandObjType
= {
3351 JIM_TYPE_REFERENCES
,
3354 int SetCommandFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3357 const char *cmdName
;
3359 /* Get the string representation */
3360 cmdName
= Jim_GetString(objPtr
, NULL
);
3361 /* Lookup this name into the commands hash table */
3362 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3366 /* Free the old internal repr and set the new one. */
3367 Jim_FreeIntRep(interp
, objPtr
);
3368 objPtr
->typePtr
= &commandObjType
;
3369 objPtr
->internalRep
.cmdValue
.procEpoch
= interp
->procEpoch
;
3370 objPtr
->internalRep
.cmdValue
.cmdPtr
= (void*)he
->val
;
3374 /* This function returns the command structure for the command name
3375 * stored in objPtr. It tries to specialize the objPtr to contain
3376 * a cached info instead to perform the lookup into the hash table
3377 * every time. The information cached may not be uptodate, in such
3378 * a case the lookup is performed and the cache updated. */
3379 Jim_Cmd
*Jim_GetCommand(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
3381 if ((objPtr
->typePtr
!= &commandObjType
||
3382 objPtr
->internalRep
.cmdValue
.procEpoch
!= interp
->procEpoch
) &&
3383 SetCommandFromAny(interp
, objPtr
) == JIM_ERR
) {
3384 if (flags
& JIM_ERRMSG
) {
3385 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3386 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3387 "invalid command name \"", objPtr
->bytes
, "\"",
3392 return objPtr
->internalRep
.cmdValue
.cmdPtr
;
3395 /* -----------------------------------------------------------------------------
3397 * ---------------------------------------------------------------------------*/
3399 /* Variables HashTable Type.
3401 * Keys are dynamic allocated strings, Values are Jim_Var structures. */
3402 static void JimVariablesHTValDestructor(void *interp
, void *val
)
3404 Jim_Var
*varPtr
= (void*) val
;
3406 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3410 static Jim_HashTableType JimVariablesHashTableType
= {
3411 JimStringCopyHTHashFunction
, /* hash function */
3412 JimStringCopyHTKeyDup
, /* key dup */
3414 JimStringCopyHTKeyCompare
, /* key compare */
3415 JimStringCopyHTKeyDestructor
, /* key destructor */
3416 JimVariablesHTValDestructor
/* val destructor */
3419 /* -----------------------------------------------------------------------------
3421 * ---------------------------------------------------------------------------*/
3423 #define JIM_DICT_SUGAR 100 /* Only returned by SetVariableFromAny() */
3425 static int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3427 static Jim_ObjType variableObjType
= {
3432 JIM_TYPE_REFERENCES
,
3435 /* Return true if the string "str" looks like syntax sugar for [dict]. I.e.
3436 * is in the form "varname(key)". */
3437 static int Jim_NameIsDictSugar(const char *str
, int len
)
3441 if (len
&& str
[len
-1] == ')' && strchr(str
, '(') != NULL
)
3446 /* This method should be called only by the variable API.
3447 * It returns JIM_OK on success (variable already exists),
3448 * JIM_ERR if it does not exists, JIM_DICT_GLUE if it's not
3449 * a variable name, but syntax glue for [dict] i.e. the last
3450 * character is ')' */
3451 int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
3454 const char *varName
;
3457 /* Check if the object is already an uptodate variable */
3458 if (objPtr
->typePtr
== &variableObjType
&&
3459 objPtr
->internalRep
.varValue
.callFrameId
== interp
->framePtr
->id
)
3460 return JIM_OK
; /* nothing to do */
3461 /* Get the string representation */
3462 varName
= Jim_GetString(objPtr
, &len
);
3463 /* Make sure it's not syntax glue to get/set dict. */
3464 if (Jim_NameIsDictSugar(varName
, len
))
3465 return JIM_DICT_SUGAR
;
3466 /* Lookup this name into the variables hash table */
3467 he
= Jim_FindHashEntry(&interp
->framePtr
->vars
, varName
);
3469 /* Try with static vars. */
3470 if (interp
->framePtr
->staticVars
== NULL
)
3472 if (!(he
= Jim_FindHashEntry(interp
->framePtr
->staticVars
, varName
)))
3475 /* Free the old internal repr and set the new one. */
3476 Jim_FreeIntRep(interp
, objPtr
);
3477 objPtr
->typePtr
= &variableObjType
;
3478 objPtr
->internalRep
.varValue
.callFrameId
= interp
->framePtr
->id
;
3479 objPtr
->internalRep
.varValue
.varPtr
= (void*)he
->val
;
3483 /* -------------------- Variables related functions ------------------------- */
3484 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
,
3485 Jim_Obj
*valObjPtr
);
3486 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
);
3488 /* For now that's dummy. Variables lookup should be optimized
3489 * in many ways, with caching of lookups, and possibly with
3490 * a table of pre-allocated vars in every CallFrame for local vars.
3491 * All the caching should also have an 'epoch' mechanism similar
3492 * to the one used by Tcl for procedures lookup caching. */
3494 int Jim_SetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, Jim_Obj
*valObjPtr
)
3500 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3501 /* Check for [dict] syntax sugar. */
3502 if (err
== JIM_DICT_SUGAR
)
3503 return JimDictSugarSet(interp
, nameObjPtr
, valObjPtr
);
3504 /* New variable to create */
3505 name
= Jim_GetString(nameObjPtr
, NULL
);
3507 var
= Jim_Alloc(sizeof(*var
));
3508 var
->objPtr
= valObjPtr
;
3509 Jim_IncrRefCount(valObjPtr
);
3510 var
->linkFramePtr
= NULL
;
3511 /* Insert the new variable */
3512 Jim_AddHashEntry(&interp
->framePtr
->vars
, name
, var
);
3513 /* Make the object int rep a variable */
3514 Jim_FreeIntRep(interp
, nameObjPtr
);
3515 nameObjPtr
->typePtr
= &variableObjType
;
3516 nameObjPtr
->internalRep
.varValue
.callFrameId
=
3517 interp
->framePtr
->id
;
3518 nameObjPtr
->internalRep
.varValue
.varPtr
= var
;
3520 var
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3521 if (var
->linkFramePtr
== NULL
) {
3522 Jim_IncrRefCount(valObjPtr
);
3523 Jim_DecrRefCount(interp
, var
->objPtr
);
3524 var
->objPtr
= valObjPtr
;
3525 } else { /* Else handle the link */
3526 Jim_CallFrame
*savedCallFrame
;
3528 savedCallFrame
= interp
->framePtr
;
3529 interp
->framePtr
= var
->linkFramePtr
;
3530 err
= Jim_SetVariable(interp
, var
->objPtr
, valObjPtr
);
3531 interp
->framePtr
= savedCallFrame
;
3539 int Jim_SetVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3541 Jim_Obj
*nameObjPtr
;
3544 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3545 Jim_IncrRefCount(nameObjPtr
);
3546 result
= Jim_SetVariable(interp
, nameObjPtr
, objPtr
);
3547 Jim_DecrRefCount(interp
, nameObjPtr
);
3551 int Jim_SetGlobalVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3553 Jim_CallFrame
*savedFramePtr
;
3556 savedFramePtr
= interp
->framePtr
;
3557 interp
->framePtr
= interp
->topFramePtr
;
3558 result
= Jim_SetVariableStr(interp
, name
, objPtr
);
3559 interp
->framePtr
= savedFramePtr
;
3563 int Jim_SetVariableStrWithStr(Jim_Interp
*interp
, const char *name
, const char *val
)
3565 Jim_Obj
*nameObjPtr
, *valObjPtr
;
3568 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3569 valObjPtr
= Jim_NewStringObj(interp
, val
, -1);
3570 Jim_IncrRefCount(nameObjPtr
);
3571 Jim_IncrRefCount(valObjPtr
);
3572 result
= Jim_SetVariable(interp
, nameObjPtr
, valObjPtr
);
3573 Jim_DecrRefCount(interp
, nameObjPtr
);
3574 Jim_DecrRefCount(interp
, valObjPtr
);
3578 int Jim_SetVariableLink(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3579 Jim_Obj
*targetNameObjPtr
, Jim_CallFrame
*targetCallFrame
)
3581 const char *varName
;
3584 /* Check for cycles. */
3585 if (interp
->framePtr
== targetCallFrame
) {
3586 Jim_Obj
*objPtr
= targetNameObjPtr
;
3588 /* Cycles are only possible with 'uplevel 0' */
3590 if (Jim_StringEqObj(objPtr
, nameObjPtr
, 0)) {
3591 Jim_SetResultString(interp
,
3592 "can't upvar from variable to itself", -1);
3595 if (SetVariableFromAny(interp
, objPtr
) != JIM_OK
)
3597 varPtr
= objPtr
->internalRep
.varValue
.varPtr
;
3598 if (varPtr
->linkFramePtr
!= targetCallFrame
) break;
3599 objPtr
= varPtr
->objPtr
;
3602 varName
= Jim_GetString(nameObjPtr
, &len
);
3603 if (Jim_NameIsDictSugar(varName
, len
)) {
3604 Jim_SetResultString(interp
,
3605 "Dict key syntax invalid as link source", -1);
3608 /* Perform the binding */
3609 Jim_SetVariable(interp
, nameObjPtr
, targetNameObjPtr
);
3610 /* We are now sure 'nameObjPtr' type is variableObjType */
3611 nameObjPtr
->internalRep
.varValue
.varPtr
->linkFramePtr
= targetCallFrame
;
3615 /* Return the Jim_Obj pointer associated with a variable name,
3616 * or NULL if the variable was not found in the current context.
3617 * The same optimization discussed in the comment to the
3618 * 'SetVariable' function should apply here. */
3619 Jim_Obj
*Jim_GetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3623 /* All the rest is handled here */
3624 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3625 /* Check for [dict] syntax sugar. */
3626 if (err
== JIM_DICT_SUGAR
)
3627 return JimDictSugarGet(interp
, nameObjPtr
);
3628 if (flags
& JIM_ERRMSG
) {
3629 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3630 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3631 "can't read \"", nameObjPtr
->bytes
,
3632 "\": no such variable", NULL
);
3638 Jim_CallFrame
*savedCallFrame
;
3640 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3641 if (varPtr
->linkFramePtr
== NULL
)
3642 return varPtr
->objPtr
;
3643 /* The variable is a link? Resolve it. */
3644 savedCallFrame
= interp
->framePtr
;
3645 interp
->framePtr
= varPtr
->linkFramePtr
;
3646 objPtr
= Jim_GetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3647 if (objPtr
== NULL
&& flags
& JIM_ERRMSG
) {
3648 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3649 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3650 "can't read \"", nameObjPtr
->bytes
,
3651 "\": no such variable", NULL
);
3653 interp
->framePtr
= savedCallFrame
;
3658 Jim_Obj
*Jim_GetGlobalVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3661 Jim_CallFrame
*savedFramePtr
;
3664 savedFramePtr
= interp
->framePtr
;
3665 interp
->framePtr
= interp
->topFramePtr
;
3666 objPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3667 interp
->framePtr
= savedFramePtr
;
3672 Jim_Obj
*Jim_GetVariableStr(Jim_Interp
*interp
, const char *name
, int flags
)
3674 Jim_Obj
*nameObjPtr
, *varObjPtr
;
3676 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3677 Jim_IncrRefCount(nameObjPtr
);
3678 varObjPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3679 Jim_DecrRefCount(interp
, nameObjPtr
);
3683 Jim_Obj
*Jim_GetGlobalVariableStr(Jim_Interp
*interp
, const char *name
,
3686 Jim_CallFrame
*savedFramePtr
;
3689 savedFramePtr
= interp
->framePtr
;
3690 interp
->framePtr
= interp
->topFramePtr
;
3691 objPtr
= Jim_GetVariableStr(interp
, name
, flags
);
3692 interp
->framePtr
= savedFramePtr
;
3697 /* Unset a variable.
3698 * Note: On success unset invalidates all the variable objects created
3699 * in the current call frame incrementing. */
3700 int Jim_UnsetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3706 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3707 /* Check for [dict] syntax sugar. */
3708 if (err
== JIM_DICT_SUGAR
)
3709 return JimDictSugarSet(interp
, nameObjPtr
, NULL
);
3710 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3711 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3712 "can't unset \"", nameObjPtr
->bytes
,
3713 "\": no such variable", NULL
);
3714 return JIM_ERR
; /* var not found */
3716 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3717 /* If it's a link call UnsetVariable recursively */
3718 if (varPtr
->linkFramePtr
) {
3721 Jim_CallFrame
*savedCallFrame
;
3723 savedCallFrame
= interp
->framePtr
;
3724 interp
->framePtr
= varPtr
->linkFramePtr
;
3725 retval
= Jim_UnsetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3726 interp
->framePtr
= savedCallFrame
;
3727 if (retval
!= JIM_OK
&& flags
& JIM_ERRMSG
) {
3728 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3729 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3730 "can't unset \"", nameObjPtr
->bytes
,
3731 "\": no such variable", NULL
);
3735 name
= Jim_GetString(nameObjPtr
, NULL
);
3736 if (Jim_DeleteHashEntry(&interp
->framePtr
->vars
, name
)
3737 != JIM_OK
) return JIM_ERR
;
3738 /* Change the callframe id, invalidating var lookup caching */
3739 JimChangeCallFrameId(interp
, interp
->framePtr
);
3744 /* ---------- Dict syntax sugar (similar to array Tcl syntax) -------------- */
3746 /* Given a variable name for [dict] operation syntax sugar,
3747 * this function returns two objects, the first with the name
3748 * of the variable to set, and the second with the rispective key.
3749 * For example "foo(bar)" will return objects with string repr. of
3752 * The returned objects have refcount = 1. The function can't fail. */
3753 static void JimDictSugarParseVarKey(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3754 Jim_Obj
**varPtrPtr
, Jim_Obj
**keyPtrPtr
)
3756 const char *str
, *p
;
3758 int len
, keyLen
, nameLen
;
3759 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3761 str
= Jim_GetString(objPtr
, &len
);
3762 p
= strchr(str
, '(');
3764 keyLen
= len
-((p
-str
)+1);
3765 nameLen
= (p
-str
)-1;
3766 /* Create the objects with the variable name and key. */
3767 t
= Jim_Alloc(nameLen
+1);
3768 memcpy(t
, str
, nameLen
);
3770 varObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, nameLen
);
3772 t
= Jim_Alloc(keyLen
+1);
3773 memcpy(t
, p
, keyLen
);
3775 keyObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, keyLen
);
3777 Jim_IncrRefCount(varObjPtr
);
3778 Jim_IncrRefCount(keyObjPtr
);
3779 *varPtrPtr
= varObjPtr
;
3780 *keyPtrPtr
= keyObjPtr
;
3783 /* Helper of Jim_SetVariable() to deal with dict-syntax variable names.
3784 * Also used by Jim_UnsetVariable() with valObjPtr = NULL. */
3785 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3788 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3791 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3792 err
= Jim_SetDictKeysVector(interp
, varObjPtr
, &keyObjPtr
, 1,
3794 Jim_DecrRefCount(interp
, varObjPtr
);
3795 Jim_DecrRefCount(interp
, keyObjPtr
);
3799 /* Helper of Jim_GetVariable() to deal with dict-syntax variable names */
3800 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3802 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3804 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3805 dictObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
3810 if (Jim_DictKey(interp
, dictObjPtr
, keyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3815 Jim_DecrRefCount(interp
, varObjPtr
);
3816 Jim_DecrRefCount(interp
, keyObjPtr
);
3820 /* --------- $var(INDEX) substitution, using a specialized object ----------- */
3822 static void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
3823 static void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3826 static Jim_ObjType dictSubstObjType
= {
3827 "dict-substitution",
3828 FreeDictSubstInternalRep
,
3829 DupDictSubstInternalRep
,
3834 void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3836 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
);
3837 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
);
3840 void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3843 JIM_NOTUSED(interp
);
3845 dupPtr
->internalRep
.dictSubstValue
.varNameObjPtr
=
3846 srcPtr
->internalRep
.dictSubstValue
.varNameObjPtr
;
3847 dupPtr
->internalRep
.dictSubstValue
.indexObjPtr
=
3848 srcPtr
->internalRep
.dictSubstValue
.indexObjPtr
;
3849 dupPtr
->typePtr
= &dictSubstObjType
;
3852 /* This function is used to expand [dict get] sugar in the form
3853 * of $var(INDEX). The function is mainly used by Jim_EvalObj()
3854 * to deal with tokens of type JIM_TT_DICTSUGAR. objPtr points to an
3855 * object that is *guaranteed* to be in the form VARNAME(INDEX).
3856 * The 'index' part is [subst]ituted, and is used to lookup a key inside
3857 * the [dict]ionary contained in variable VARNAME. */
3858 Jim_Obj
*Jim_ExpandDictSugar(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3860 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3861 Jim_Obj
*substKeyObjPtr
= NULL
;
3863 if (objPtr
->typePtr
!= &dictSubstObjType
) {
3864 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3865 Jim_FreeIntRep(interp
, objPtr
);
3866 objPtr
->typePtr
= &dictSubstObjType
;
3867 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
= varObjPtr
;
3868 objPtr
->internalRep
.dictSubstValue
.indexObjPtr
= keyObjPtr
;
3870 if (Jim_SubstObj(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
,
3871 &substKeyObjPtr
, JIM_NONE
)
3873 substKeyObjPtr
= NULL
;
3876 Jim_IncrRefCount(substKeyObjPtr
);
3877 dictObjPtr
= Jim_GetVariable(interp
,
3878 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
, JIM_ERRMSG
);
3883 if (Jim_DictKey(interp
, dictObjPtr
, substKeyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3889 if (substKeyObjPtr
) Jim_DecrRefCount(interp
, substKeyObjPtr
);
3893 /* -----------------------------------------------------------------------------
3895 * ---------------------------------------------------------------------------*/
3897 static Jim_CallFrame
*JimCreateCallFrame(Jim_Interp
*interp
)
3900 if (interp
->freeFramesList
) {
3901 cf
= interp
->freeFramesList
;
3902 interp
->freeFramesList
= cf
->nextFramePtr
;
3904 cf
= Jim_Alloc(sizeof(*cf
));
3905 cf
->vars
.table
= NULL
;
3908 cf
->id
= interp
->callFrameEpoch
++;
3909 cf
->parentCallFrame
= NULL
;
3912 cf
->procArgsObjPtr
= NULL
;
3913 cf
->procBodyObjPtr
= NULL
;
3914 cf
->nextFramePtr
= NULL
;
3915 cf
->staticVars
= NULL
;
3916 if (cf
->vars
.table
== NULL
)
3917 Jim_InitHashTable(&cf
->vars
, &JimVariablesHashTableType
, interp
);
3921 /* Used to invalidate every caching related to callframe stability. */
3922 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
)
3924 cf
->id
= interp
->callFrameEpoch
++;
3927 #define JIM_FCF_NONE 0 /* no flags */
3928 #define JIM_FCF_NOHT 1 /* don't free the hash table */
3929 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
,
3932 if (cf
->procArgsObjPtr
) Jim_DecrRefCount(interp
, cf
->procArgsObjPtr
);
3933 if (cf
->procBodyObjPtr
) Jim_DecrRefCount(interp
, cf
->procBodyObjPtr
);
3934 if (!(flags
& JIM_FCF_NOHT
))
3935 Jim_FreeHashTable(&cf
->vars
);
3938 Jim_HashEntry
**table
= cf
->vars
.table
, *he
;
3940 for (i
= 0; i
< JIM_HT_INITIAL_SIZE
; i
++) {
3942 while (he
!= NULL
) {
3943 Jim_HashEntry
*nextEntry
= he
->next
;
3944 Jim_Var
*varPtr
= (void*) he
->val
;
3946 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3948 Jim_Free((void*)he
->key
); /* ATTENTION: const cast */
3956 cf
->nextFramePtr
= interp
->freeFramesList
;
3957 interp
->freeFramesList
= cf
;
3960 /* -----------------------------------------------------------------------------
3962 * ---------------------------------------------------------------------------*/
3964 /* References HashTable Type.
3966 * Keys are jim_wide integers, dynamically allocated for now but in the
3967 * future it's worth to cache this 8 bytes objects. Values are poitners
3968 * to Jim_References. */
3969 static void JimReferencesHTValDestructor(void *interp
, void *val
)
3971 Jim_Reference
*refPtr
= (void*) val
;
3973 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
3974 if (refPtr
->finalizerCmdNamePtr
!= NULL
) {
3975 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
3980 unsigned int JimReferencesHTHashFunction(const void *key
)
3982 /* Only the least significant bits are used. */
3983 const jim_wide
*widePtr
= key
;
3984 unsigned int intValue
= (unsigned int) *widePtr
;
3985 return Jim_IntHashFunction(intValue
);
3988 unsigned int JimReferencesHTDoubleHashFunction(const void *key
)
3990 /* Only the least significant bits are used. */
3991 const jim_wide
*widePtr
= key
;
3992 unsigned int intValue
= (unsigned int) *widePtr
;
3993 return intValue
; /* identity function. */
3996 const void *JimReferencesHTKeyDup(void *privdata
, const void *key
)
3998 void *copy
= Jim_Alloc(sizeof(jim_wide
));
3999 JIM_NOTUSED(privdata
);
4001 memcpy(copy
, key
, sizeof(jim_wide
));
4005 int JimReferencesHTKeyCompare(void *privdata
, const void *key1
,
4008 JIM_NOTUSED(privdata
);
4010 return memcmp(key1
, key2
, sizeof(jim_wide
)) == 0;
4013 void JimReferencesHTKeyDestructor(void *privdata
, const void *key
)
4015 JIM_NOTUSED(privdata
);
4017 Jim_Free((void*)key
);
4020 static Jim_HashTableType JimReferencesHashTableType
= {
4021 JimReferencesHTHashFunction
, /* hash function */
4022 JimReferencesHTKeyDup
, /* key dup */
4024 JimReferencesHTKeyCompare
, /* key compare */
4025 JimReferencesHTKeyDestructor
, /* key destructor */
4026 JimReferencesHTValDestructor
/* val destructor */
4029 /* -----------------------------------------------------------------------------
4030 * Reference object type and References API
4031 * ---------------------------------------------------------------------------*/
4033 static void UpdateStringOfReference(struct Jim_Obj
*objPtr
);
4035 static Jim_ObjType referenceObjType
= {
4039 UpdateStringOfReference
,
4040 JIM_TYPE_REFERENCES
,
4043 void UpdateStringOfReference(struct Jim_Obj
*objPtr
)
4046 char buf
[JIM_REFERENCE_SPACE
+1];
4047 Jim_Reference
*refPtr
;
4049 refPtr
= objPtr
->internalRep
.refValue
.refPtr
;
4050 len
= JimFormatReference(buf
, refPtr
, objPtr
->internalRep
.refValue
.id
);
4051 objPtr
->bytes
= Jim_Alloc(len
+1);
4052 memcpy(objPtr
->bytes
, buf
, len
+1);
4053 objPtr
->length
= len
;
4056 /* returns true if 'c' is a valid reference tag character.
4057 * i.e. inside the range [_a-zA-Z0-9] */
4058 static int isrefchar(int c
)
4060 if (c
== '_' || (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') ||
4061 (c
>= '0' && c
<= '9')) return 1;
4065 int SetReferenceFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4069 const char *str
, *start
, *end
;
4071 Jim_Reference
*refPtr
;
4074 /* Get the string representation */
4075 str
= Jim_GetString(objPtr
, &len
);
4076 /* Check if it looks like a reference */
4077 if (len
< JIM_REFERENCE_SPACE
) goto badformat
;
4081 while (*start
== ' ') start
++;
4082 while (*end
== ' ' && end
> start
) end
--;
4083 if (end
-start
+1 != JIM_REFERENCE_SPACE
) goto badformat
;
4084 /* <reference.<1234567>.%020> */
4085 if (memcmp(start
, "<reference.<", 12) != 0) goto badformat
;
4086 if (start
[12+JIM_REFERENCE_TAGLEN
] != '>' || end
[0] != '>') goto badformat
;
4087 /* The tag can't contain chars other than a-zA-Z0-9 + '_'. */
4088 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4089 if (!isrefchar(start
[12+i
])) goto badformat
;
4091 /* Extract info from the refernece. */
4092 memcpy(refId
, start
+14+JIM_REFERENCE_TAGLEN
, 20);
4094 /* Try to convert the ID into a jim_wide */
4095 if (Jim_StringToWide(refId
, &wideValue
, 10) != JIM_OK
) goto badformat
;
4096 /* Check if the reference really exists! */
4097 he
= Jim_FindHashEntry(&interp
->references
, &wideValue
);
4099 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4100 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4101 "Invalid reference ID \"", str
, "\"", NULL
);
4105 /* Free the old internal repr and set the new one. */
4106 Jim_FreeIntRep(interp
, objPtr
);
4107 objPtr
->typePtr
= &referenceObjType
;
4108 objPtr
->internalRep
.refValue
.id
= wideValue
;
4109 objPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4113 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4114 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4115 "expected reference but got \"", str
, "\"", NULL
);
4119 /* Returns a new reference pointing to objPtr, having cmdNamePtr
4120 * as finalizer command (or NULL if there is no finalizer).
4121 * The returned reference object has refcount = 0. */
4122 Jim_Obj
*Jim_NewReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*tagPtr
,
4123 Jim_Obj
*cmdNamePtr
)
4125 struct Jim_Reference
*refPtr
;
4126 jim_wide wideValue
= interp
->referenceNextId
;
4131 /* Perform the Garbage Collection if needed. */
4132 Jim_CollectIfNeeded(interp
);
4134 refPtr
= Jim_Alloc(sizeof(*refPtr
));
4135 refPtr
->objPtr
= objPtr
;
4136 Jim_IncrRefCount(objPtr
);
4137 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4139 Jim_IncrRefCount(cmdNamePtr
);
4140 Jim_AddHashEntry(&interp
->references
, &wideValue
, refPtr
);
4141 refObjPtr
= Jim_NewObj(interp
);
4142 refObjPtr
->typePtr
= &referenceObjType
;
4143 refObjPtr
->bytes
= NULL
;
4144 refObjPtr
->internalRep
.refValue
.id
= interp
->referenceNextId
;
4145 refObjPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4146 interp
->referenceNextId
++;
4147 /* Set the tag. Trimmered at JIM_REFERENCE_TAGLEN. Everything
4148 * that does not pass the 'isrefchar' test is replaced with '_' */
4149 tag
= Jim_GetString(tagPtr
, &tagLen
);
4150 if (tagLen
> JIM_REFERENCE_TAGLEN
)
4151 tagLen
= JIM_REFERENCE_TAGLEN
;
4152 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4154 refPtr
->tag
[i
] = tag
[i
];
4156 refPtr
->tag
[i
] = '_';
4158 refPtr
->tag
[JIM_REFERENCE_TAGLEN
] = '\0';
4162 Jim_Reference
*Jim_GetReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4164 if (objPtr
->typePtr
!= &referenceObjType
&&
4165 SetReferenceFromAny(interp
, objPtr
) == JIM_ERR
)
4167 return objPtr
->internalRep
.refValue
.refPtr
;
4170 int Jim_SetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*cmdNamePtr
)
4172 Jim_Reference
*refPtr
;
4174 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4176 Jim_IncrRefCount(cmdNamePtr
);
4177 if (refPtr
->finalizerCmdNamePtr
)
4178 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4179 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4183 int Jim_GetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
**cmdNamePtrPtr
)
4185 Jim_Reference
*refPtr
;
4187 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4189 *cmdNamePtrPtr
= refPtr
->finalizerCmdNamePtr
;
4193 /* -----------------------------------------------------------------------------
4194 * References Garbage Collection
4195 * ---------------------------------------------------------------------------*/
4197 /* This the hash table type for the "MARK" phase of the GC */
4198 static Jim_HashTableType JimRefMarkHashTableType
= {
4199 JimReferencesHTHashFunction
, /* hash function */
4200 JimReferencesHTKeyDup
, /* key dup */
4202 JimReferencesHTKeyCompare
, /* key compare */
4203 JimReferencesHTKeyDestructor
, /* key destructor */
4204 NULL
/* val destructor */
4207 /* #define JIM_DEBUG_GC 1 */
4209 /* Performs the garbage collection. */
4210 int Jim_Collect(Jim_Interp
*interp
)
4212 Jim_HashTable marks
;
4213 Jim_HashTableIterator
*htiter
;
4218 /* Avoid recursive calls */
4219 if (interp
->lastCollectId
== -1) {
4220 /* Jim_Collect() already running. Return just now. */
4223 interp
->lastCollectId
= -1;
4225 /* Mark all the references found into the 'mark' hash table.
4226 * The references are searched in every live object that
4227 * is of a type that can contain references. */
4228 Jim_InitHashTable(&marks
, &JimRefMarkHashTableType
, NULL
);
4229 objPtr
= interp
->liveList
;
4231 if (objPtr
->typePtr
== NULL
||
4232 objPtr
->typePtr
->flags
& JIM_TYPE_REFERENCES
) {
4233 const char *str
, *p
;
4236 /* If the object is of type reference, to get the
4237 * Id is simple... */
4238 if (objPtr
->typePtr
== &referenceObjType
) {
4239 Jim_AddHashEntry(&marks
,
4240 &objPtr
->internalRep
.refValue
.id
, NULL
);
4242 Jim_fprintf(interp
,interp
->cookie_stdout
,
4243 "MARK (reference): %d refcount: %d" JIM_NL
,
4244 (int) objPtr
->internalRep
.refValue
.id
,
4247 objPtr
= objPtr
->nextObjPtr
;
4250 /* Get the string repr of the object we want
4251 * to scan for references. */
4252 p
= str
= Jim_GetString(objPtr
, &len
);
4253 /* Skip objects too little to contain references. */
4254 if (len
< JIM_REFERENCE_SPACE
) {
4255 objPtr
= objPtr
->nextObjPtr
;
4258 /* Extract references from the object string repr. */
4264 if ((p
= strstr(p
, "<reference.<")) == NULL
)
4266 /* Check if it's a valid reference. */
4267 if (len
-(p
-str
) < JIM_REFERENCE_SPACE
) break;
4268 if (p
[41] != '>' || p
[19] != '>' || p
[20] != '.') break;
4269 for (i
= 21; i
<= 40; i
++)
4270 if (!isdigit((int)p
[i
]))
4273 memcpy(buf
, p
+21, 20);
4275 Jim_StringToWide(buf
, &id
, 10);
4277 /* Ok, a reference for the given ID
4278 * was found. Mark it. */
4279 Jim_AddHashEntry(&marks
, &id
, NULL
);
4281 Jim_fprintf(interp
,interp
->cookie_stdout
,"MARK: %d" JIM_NL
, (int)id
);
4283 p
+= JIM_REFERENCE_SPACE
;
4286 objPtr
= objPtr
->nextObjPtr
;
4289 /* Run the references hash table to destroy every reference that
4290 * is not referenced outside (not present in the mark HT). */
4291 htiter
= Jim_GetHashTableIterator(&interp
->references
);
4292 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
4293 const jim_wide
*refId
;
4294 Jim_Reference
*refPtr
;
4297 /* Check if in the mark phase we encountered
4298 * this reference. */
4299 if (Jim_FindHashEntry(&marks
, refId
) == NULL
) {
4301 Jim_fprintf(interp
,interp
->cookie_stdout
,"COLLECTING %d" JIM_NL
, (int)*refId
);
4304 /* Drop the reference, but call the
4305 * finalizer first if registered. */
4307 if (refPtr
->finalizerCmdNamePtr
) {
4308 char *refstr
= Jim_Alloc(JIM_REFERENCE_SPACE
+1);
4309 Jim_Obj
*objv
[3], *oldResult
;
4311 JimFormatReference(refstr
, refPtr
, *refId
);
4313 objv
[0] = refPtr
->finalizerCmdNamePtr
;
4314 objv
[1] = Jim_NewStringObjNoAlloc(interp
,
4316 objv
[2] = refPtr
->objPtr
;
4317 Jim_IncrRefCount(objv
[0]);
4318 Jim_IncrRefCount(objv
[1]);
4319 Jim_IncrRefCount(objv
[2]);
4321 /* Drop the reference itself */
4322 Jim_DeleteHashEntry(&interp
->references
, refId
);
4324 /* Call the finalizer. Errors ignored. */
4325 oldResult
= interp
->result
;
4326 Jim_IncrRefCount(oldResult
);
4327 Jim_EvalObjVector(interp
, 3, objv
);
4328 Jim_SetResult(interp
, oldResult
);
4329 Jim_DecrRefCount(interp
, oldResult
);
4331 Jim_DecrRefCount(interp
, objv
[0]);
4332 Jim_DecrRefCount(interp
, objv
[1]);
4333 Jim_DecrRefCount(interp
, objv
[2]);
4335 Jim_DeleteHashEntry(&interp
->references
, refId
);
4339 Jim_FreeHashTableIterator(htiter
);
4340 Jim_FreeHashTable(&marks
);
4341 interp
->lastCollectId
= interp
->referenceNextId
;
4342 interp
->lastCollectTime
= time(NULL
);
4346 #define JIM_COLLECT_ID_PERIOD 5000
4347 #define JIM_COLLECT_TIME_PERIOD 300
4349 void Jim_CollectIfNeeded(Jim_Interp
*interp
)
4354 elapsedId
= interp
->referenceNextId
- interp
->lastCollectId
;
4355 elapsedTime
= time(NULL
) - interp
->lastCollectTime
;
4358 if (elapsedId
> JIM_COLLECT_ID_PERIOD
||
4359 elapsedTime
> JIM_COLLECT_TIME_PERIOD
) {
4360 Jim_Collect(interp
);
4364 /* -----------------------------------------------------------------------------
4365 * Interpreter related functions
4366 * ---------------------------------------------------------------------------*/
4368 Jim_Interp
*Jim_CreateInterp(void)
4370 Jim_Interp
*i
= Jim_Alloc(sizeof(*i
));
4374 i
->errorFileName
= Jim_StrDup("");
4376 i
->maxNestingDepth
= JIM_MAX_NESTING_DEPTH
;
4377 i
->returnCode
= JIM_OK
;
4380 i
->callFrameEpoch
= 0;
4381 i
->liveList
= i
->freeList
= NULL
;
4382 i
->scriptFileName
= Jim_StrDup("");
4383 i
->referenceNextId
= 0;
4384 i
->lastCollectId
= 0;
4385 i
->lastCollectTime
= time(NULL
);
4386 i
->freeFramesList
= NULL
;
4387 i
->prngState
= NULL
;
4388 i
->evalRetcodeLevel
= -1;
4389 i
->cookie_stdin
= stdin
;
4390 i
->cookie_stdout
= stdout
;
4391 i
->cookie_stderr
= stderr
;
4392 i
->cb_fwrite
= ((size_t (*)( const void *, size_t, size_t, void *))(fwrite
));
4393 i
->cb_fread
= ((size_t (*)( void *, size_t, size_t, void *))(fread
));
4394 i
->cb_vfprintf
= ((int (*)( void *, const char *fmt
, va_list ))(vfprintf
));
4395 i
->cb_fflush
= ((int (*)( void *))(fflush
));
4396 i
->cb_fgets
= ((char * (*)( char *, int, void *))(fgets
));
4398 /* Note that we can create objects only after the
4399 * interpreter liveList and freeList pointers are
4400 * initialized to NULL. */
4401 Jim_InitHashTable(&i
->commands
, &JimCommandsHashTableType
, i
);
4402 Jim_InitHashTable(&i
->references
, &JimReferencesHashTableType
, i
);
4403 Jim_InitHashTable(&i
->sharedStrings
, &JimSharedStringsHashTableType
,
4405 Jim_InitHashTable(&i
->stub
, &JimStringCopyHashTableType
, NULL
);
4406 Jim_InitHashTable(&i
->assocData
, &JimAssocDataHashTableType
, i
);
4407 Jim_InitHashTable(&i
->packages
, &JimStringKeyValCopyHashTableType
, NULL
);
4408 i
->framePtr
= i
->topFramePtr
= JimCreateCallFrame(i
);
4409 i
->emptyObj
= Jim_NewEmptyStringObj(i
);
4410 i
->result
= i
->emptyObj
;
4411 i
->stackTrace
= Jim_NewListObj(i
, NULL
, 0);
4412 i
->unknown
= Jim_NewStringObj(i
, "unknown", -1);
4413 Jim_IncrRefCount(i
->emptyObj
);
4414 Jim_IncrRefCount(i
->result
);
4415 Jim_IncrRefCount(i
->stackTrace
);
4416 Jim_IncrRefCount(i
->unknown
);
4418 /* Initialize key variables every interpreter should contain */
4419 pathPtr
= Jim_NewStringObj(i
, "./", -1);
4420 Jim_SetVariableStr(i
, "jim_libpath", pathPtr
);
4421 Jim_SetVariableStrWithStr(i
, "jim_interactive", "0");
4423 /* Export the core API to extensions */
4424 JimRegisterCoreApi(i
);
4428 /* This is the only function Jim exports directly without
4429 * to use the STUB system. It is only used by embedders
4430 * in order to get an interpreter with the Jim API pointers
4432 Jim_Interp
*ExportedJimCreateInterp(void)
4434 return Jim_CreateInterp();
4437 void Jim_FreeInterp(Jim_Interp
*i
)
4439 Jim_CallFrame
*cf
= i
->framePtr
, *prevcf
, *nextcf
;
4440 Jim_Obj
*objPtr
, *nextObjPtr
;
4442 Jim_DecrRefCount(i
, i
->emptyObj
);
4443 Jim_DecrRefCount(i
, i
->result
);
4444 Jim_DecrRefCount(i
, i
->stackTrace
);
4445 Jim_DecrRefCount(i
, i
->unknown
);
4446 Jim_Free((void*)i
->errorFileName
);
4447 Jim_Free((void*)i
->scriptFileName
);
4448 Jim_FreeHashTable(&i
->commands
);
4449 Jim_FreeHashTable(&i
->references
);
4450 Jim_FreeHashTable(&i
->stub
);
4451 Jim_FreeHashTable(&i
->assocData
);
4452 Jim_FreeHashTable(&i
->packages
);
4453 Jim_Free(i
->prngState
);
4454 /* Free the call frames list */
4456 prevcf
= cf
->parentCallFrame
;
4457 JimFreeCallFrame(i
, cf
, JIM_FCF_NONE
);
4460 /* Check that the live object list is empty, otherwise
4461 * there is a memory leak. */
4462 if (i
->liveList
!= NULL
) {
4463 Jim_Obj
*objPtr
= i
->liveList
;
4465 Jim_fprintf( i
, i
->cookie_stdout
,JIM_NL
"-------------------------------------" JIM_NL
);
4466 Jim_fprintf( i
, i
->cookie_stdout
,"Objects still in the free list:" JIM_NL
);
4468 const char *type
= objPtr
->typePtr
?
4469 objPtr
->typePtr
->name
: "";
4470 Jim_fprintf( i
, i
->cookie_stdout
,"%p \"%-10s\": '%.20s' (refCount: %d)" JIM_NL
,
4472 objPtr
->bytes
? objPtr
->bytes
4473 : "(null)", objPtr
->refCount
);
4474 if (objPtr
->typePtr
== &sourceObjType
) {
4475 Jim_fprintf( i
, i
->cookie_stdout
, "FILE %s LINE %d" JIM_NL
,
4476 objPtr
->internalRep
.sourceValue
.fileName
,
4477 objPtr
->internalRep
.sourceValue
.lineNumber
);
4479 objPtr
= objPtr
->nextObjPtr
;
4481 Jim_fprintf( i
, i
->cookie_stdout
, "-------------------------------------" JIM_NL JIM_NL
);
4482 Jim_Panic(i
,"Live list non empty freeing the interpreter! Leak?");
4484 /* Free all the freed objects. */
4485 objPtr
= i
->freeList
;
4487 nextObjPtr
= objPtr
->nextObjPtr
;
4489 objPtr
= nextObjPtr
;
4491 /* Free cached CallFrame structures */
4492 cf
= i
->freeFramesList
;
4494 nextcf
= cf
->nextFramePtr
;
4495 if (cf
->vars
.table
!= NULL
)
4496 Jim_Free(cf
->vars
.table
);
4500 /* Free the sharedString hash table. Make sure to free it
4501 * after every other Jim_Object was freed. */
4502 Jim_FreeHashTable(&i
->sharedStrings
);
4503 /* Free the interpreter structure. */
4507 /* Store the call frame relative to the level represented by
4508 * levelObjPtr into *framePtrPtr. If levelObjPtr == NULL, the
4509 * level is assumed to be '1'.
4511 * If a newLevelptr int pointer is specified, the function stores
4512 * the absolute level integer value of the new target callframe into
4513 * *newLevelPtr. (this is used to adjust interp->numLevels
4514 * in the implementation of [uplevel], so that [info level] will
4515 * return a correct information).
4517 * This function accepts the 'level' argument in the form
4518 * of the commands [uplevel] and [upvar].
4520 * For a function accepting a relative integer as level suitable
4521 * for implementation of [info level ?level?] check the
4522 * GetCallFrameByInteger() function. */
4523 int Jim_GetCallFrameByLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4524 Jim_CallFrame
**framePtrPtr
, int *newLevelPtr
)
4528 Jim_CallFrame
*framePtr
;
4530 if (newLevelPtr
) *newLevelPtr
= interp
->numLevels
;
4532 str
= Jim_GetString(levelObjPtr
, NULL
);
4533 if (str
[0] == '#') {
4535 /* speedup for the toplevel (level #0) */
4536 if (str
[1] == '0' && str
[2] == '\0') {
4537 if (newLevelPtr
) *newLevelPtr
= 0;
4538 *framePtrPtr
= interp
->topFramePtr
;
4542 level
= strtol(str
+1, &endptr
, 0);
4543 if (str
[1] == '\0' || endptr
[0] != '\0' || level
< 0)
4545 /* An 'absolute' level is converted into the
4546 * 'number of levels to go back' format. */
4547 level
= interp
->numLevels
- level
;
4548 if (level
< 0) goto badlevel
;
4550 if (Jim_GetLong(interp
, levelObjPtr
, &level
) != JIM_OK
|| level
< 0)
4554 str
= "1"; /* Needed to format the error message. */
4558 framePtr
= interp
->framePtr
;
4559 if (newLevelPtr
) *newLevelPtr
= (*newLevelPtr
)-level
;
4561 framePtr
= framePtr
->parentCallFrame
;
4562 if (framePtr
== NULL
) goto badlevel
;
4564 *framePtrPtr
= framePtr
;
4567 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4568 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4569 "bad level \"", str
, "\"", NULL
);
4573 /* Similar to Jim_GetCallFrameByLevel() but the level is specified
4574 * as a relative integer like in the [info level ?level?] command. */
4575 static int JimGetCallFrameByInteger(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4576 Jim_CallFrame
**framePtrPtr
)
4579 jim_wide relLevel
; /* level relative to the current one. */
4580 Jim_CallFrame
*framePtr
;
4582 if (Jim_GetWide(interp
, levelObjPtr
, &level
) != JIM_OK
)
4585 /* An 'absolute' level is converted into the
4586 * 'number of levels to go back' format. */
4587 relLevel
= interp
->numLevels
- level
;
4592 framePtr
= interp
->framePtr
;
4593 while (relLevel
--) {
4594 framePtr
= framePtr
->parentCallFrame
;
4595 if (framePtr
== NULL
) goto badlevel
;
4597 *framePtrPtr
= framePtr
;
4600 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4601 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4602 "bad level \"", Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
4606 static void JimSetErrorFileName(Jim_Interp
*interp
, char *filename
)
4608 Jim_Free((void*)interp
->errorFileName
);
4609 interp
->errorFileName
= Jim_StrDup(filename
);
4612 static void JimSetErrorLineNumber(Jim_Interp
*interp
, int linenr
)
4614 interp
->errorLine
= linenr
;
4617 static void JimResetStackTrace(Jim_Interp
*interp
)
4619 Jim_DecrRefCount(interp
, interp
->stackTrace
);
4620 interp
->stackTrace
= Jim_NewListObj(interp
, NULL
, 0);
4621 Jim_IncrRefCount(interp
->stackTrace
);
4624 static void JimAppendStackTrace(Jim_Interp
*interp
, const char *procname
,
4625 const char *filename
, int linenr
)
4627 if (Jim_IsShared(interp
->stackTrace
)) {
4628 interp
->stackTrace
=
4629 Jim_DuplicateObj(interp
, interp
->stackTrace
);
4630 Jim_IncrRefCount(interp
->stackTrace
);
4632 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4633 Jim_NewStringObj(interp
, procname
, -1));
4634 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4635 Jim_NewStringObj(interp
, filename
, -1));
4636 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4637 Jim_NewIntObj(interp
, linenr
));
4640 int Jim_SetAssocData(Jim_Interp
*interp
, const char *key
, Jim_InterpDeleteProc
*delProc
, void *data
)
4642 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)Jim_Alloc(sizeof(AssocDataValue
));
4643 assocEntryPtr
->delProc
= delProc
;
4644 assocEntryPtr
->data
= data
;
4645 return Jim_AddHashEntry(&interp
->assocData
, key
, assocEntryPtr
);
4648 void *Jim_GetAssocData(Jim_Interp
*interp
, const char *key
)
4650 Jim_HashEntry
*entryPtr
= Jim_FindHashEntry(&interp
->assocData
, key
);
4651 if (entryPtr
!= NULL
) {
4652 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)entryPtr
->val
;
4653 return assocEntryPtr
->data
;
4658 int Jim_DeleteAssocData(Jim_Interp
*interp
, const char *key
)
4660 return Jim_DeleteHashEntry(&interp
->assocData
, key
);
4663 int Jim_GetExitCode(Jim_Interp
*interp
) {
4664 return interp
->exitCode
;
4667 void *Jim_SetStdin(Jim_Interp
*interp
, void *fp
)
4669 if (fp
!= NULL
) interp
->cookie_stdin
= fp
;
4670 return interp
->cookie_stdin
;
4673 void *Jim_SetStdout(Jim_Interp
*interp
, void *fp
)
4675 if (fp
!= NULL
) interp
->cookie_stdout
= fp
;
4676 return interp
->cookie_stdout
;
4679 void *Jim_SetStderr(Jim_Interp
*interp
, void *fp
)
4681 if (fp
!= NULL
) interp
->cookie_stderr
= fp
;
4682 return interp
->cookie_stderr
;
4685 /* -----------------------------------------------------------------------------
4687 * Every interpreter has an hash table where to put shared dynamically
4688 * allocate strings that are likely to be used a lot of times.
4689 * For example, in the 'source' object type, there is a pointer to
4690 * the filename associated with that object. Every script has a lot
4691 * of this objects with the identical file name, so it is wise to share
4694 * The API is trivial: Jim_GetSharedString(interp, "foobar")
4695 * returns the pointer to the shared string. Every time a reference
4696 * to the string is no longer used, the user should call
4697 * Jim_ReleaseSharedString(interp, stringPointer). Once no one is using
4698 * a given string, it is removed from the hash table.
4699 * ---------------------------------------------------------------------------*/
4700 const char *Jim_GetSharedString(Jim_Interp
*interp
, const char *str
)
4702 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4705 char *strCopy
= Jim_StrDup(str
);
4707 Jim_AddHashEntry(&interp
->sharedStrings
, strCopy
, (void*)1);
4710 long refCount
= (long) he
->val
;
4713 he
->val
= (void*) refCount
;
4718 void Jim_ReleaseSharedString(Jim_Interp
*interp
, const char *str
)
4721 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4724 Jim_Panic(interp
,"Jim_ReleaseSharedString called with "
4725 "unknown shared string '%s'", str
);
4726 refCount
= (long) he
->val
;
4728 if (refCount
== 0) {
4729 Jim_DeleteHashEntry(&interp
->sharedStrings
, str
);
4731 he
->val
= (void*) refCount
;
4735 /* -----------------------------------------------------------------------------
4737 * ---------------------------------------------------------------------------*/
4738 #define JIM_INTEGER_SPACE 24
4740 static void UpdateStringOfInt(struct Jim_Obj
*objPtr
);
4741 static int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
);
4743 static Jim_ObjType intObjType
= {
4751 void UpdateStringOfInt(struct Jim_Obj
*objPtr
)
4754 char buf
[JIM_INTEGER_SPACE
+1];
4756 len
= Jim_WideToString(buf
, objPtr
->internalRep
.wideValue
);
4757 objPtr
->bytes
= Jim_Alloc(len
+1);
4758 memcpy(objPtr
->bytes
, buf
, len
+1);
4759 objPtr
->length
= len
;
4762 int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
4767 /* Get the string representation */
4768 str
= Jim_GetString(objPtr
, NULL
);
4769 /* Try to convert into a jim_wide */
4770 if (Jim_StringToWide(str
, &wideValue
, 0) != JIM_OK
) {
4771 if (flags
& JIM_ERRMSG
) {
4772 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4773 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4774 "expected integer but got \"", str
, "\"", NULL
);
4778 if ((wideValue
== JIM_WIDE_MIN
|| wideValue
== JIM_WIDE_MAX
) &&
4780 Jim_SetResultString(interp
,
4781 "Integer value too big to be represented", -1);
4784 /* Free the old internal repr and set the new one. */
4785 Jim_FreeIntRep(interp
, objPtr
);
4786 objPtr
->typePtr
= &intObjType
;
4787 objPtr
->internalRep
.wideValue
= wideValue
;
4791 int Jim_GetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide
*widePtr
)
4793 if (objPtr
->typePtr
!= &intObjType
&&
4794 SetIntFromAny(interp
, objPtr
, JIM_ERRMSG
) == JIM_ERR
)
4796 *widePtr
= objPtr
->internalRep
.wideValue
;
4800 /* Get a wide but does not set an error if the format is bad. */
4801 static int JimGetWideNoErr(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
4804 if (objPtr
->typePtr
!= &intObjType
&&
4805 SetIntFromAny(interp
, objPtr
, JIM_NONE
) == JIM_ERR
)
4807 *widePtr
= objPtr
->internalRep
.wideValue
;
4811 int Jim_GetLong(Jim_Interp
*interp
, Jim_Obj
*objPtr
, long *longPtr
)
4816 retval
= Jim_GetWide(interp
, objPtr
, &wideValue
);
4817 if (retval
== JIM_OK
) {
4818 *longPtr
= (long) wideValue
;
4824 void Jim_SetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide wideValue
)
4826 if (Jim_IsShared(objPtr
))
4827 Jim_Panic(interp
,"Jim_SetWide called with shared object");
4828 if (objPtr
->typePtr
!= &intObjType
) {
4829 Jim_FreeIntRep(interp
, objPtr
);
4830 objPtr
->typePtr
= &intObjType
;
4832 Jim_InvalidateStringRep(objPtr
);
4833 objPtr
->internalRep
.wideValue
= wideValue
;
4836 Jim_Obj
*Jim_NewIntObj(Jim_Interp
*interp
, jim_wide wideValue
)
4840 objPtr
= Jim_NewObj(interp
);
4841 objPtr
->typePtr
= &intObjType
;
4842 objPtr
->bytes
= NULL
;
4843 objPtr
->internalRep
.wideValue
= wideValue
;
4847 /* -----------------------------------------------------------------------------
4849 * ---------------------------------------------------------------------------*/
4850 #define JIM_DOUBLE_SPACE 30
4852 static void UpdateStringOfDouble(struct Jim_Obj
*objPtr
);
4853 static int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4855 static Jim_ObjType doubleObjType
= {
4859 UpdateStringOfDouble
,
4863 void UpdateStringOfDouble(struct Jim_Obj
*objPtr
)
4866 char buf
[JIM_DOUBLE_SPACE
+1];
4868 len
= Jim_DoubleToString(buf
, objPtr
->internalRep
.doubleValue
);
4869 objPtr
->bytes
= Jim_Alloc(len
+1);
4870 memcpy(objPtr
->bytes
, buf
, len
+1);
4871 objPtr
->length
= len
;
4874 int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4879 /* Get the string representation */
4880 str
= Jim_GetString(objPtr
, NULL
);
4881 /* Try to convert into a double */
4882 if (Jim_StringToDouble(str
, &doubleValue
) != JIM_OK
) {
4883 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4884 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4885 "expected number but got '", str
, "'", NULL
);
4888 /* Free the old internal repr and set the new one. */
4889 Jim_FreeIntRep(interp
, objPtr
);
4890 objPtr
->typePtr
= &doubleObjType
;
4891 objPtr
->internalRep
.doubleValue
= doubleValue
;
4895 int Jim_GetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double *doublePtr
)
4897 if (objPtr
->typePtr
!= &doubleObjType
&&
4898 SetDoubleFromAny(interp
, objPtr
) == JIM_ERR
)
4900 *doublePtr
= objPtr
->internalRep
.doubleValue
;
4904 void Jim_SetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double doubleValue
)
4906 if (Jim_IsShared(objPtr
))
4907 Jim_Panic(interp
,"Jim_SetDouble called with shared object");
4908 if (objPtr
->typePtr
!= &doubleObjType
) {
4909 Jim_FreeIntRep(interp
, objPtr
);
4910 objPtr
->typePtr
= &doubleObjType
;
4912 Jim_InvalidateStringRep(objPtr
);
4913 objPtr
->internalRep
.doubleValue
= doubleValue
;
4916 Jim_Obj
*Jim_NewDoubleObj(Jim_Interp
*interp
, double doubleValue
)
4920 objPtr
= Jim_NewObj(interp
);
4921 objPtr
->typePtr
= &doubleObjType
;
4922 objPtr
->bytes
= NULL
;
4923 objPtr
->internalRep
.doubleValue
= doubleValue
;
4927 /* -----------------------------------------------------------------------------
4929 * ---------------------------------------------------------------------------*/
4930 static void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
);
4931 static void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4932 static void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
4933 static void UpdateStringOfList(struct Jim_Obj
*objPtr
);
4934 static int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
4936 /* Note that while the elements of the list may contain references,
4937 * the list object itself can't. This basically means that the
4938 * list object string representation as a whole can't contain references
4939 * that are not presents in the single elements. */
4940 static Jim_ObjType listObjType
= {
4942 FreeListInternalRep
,
4948 void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4952 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
4953 Jim_DecrRefCount(interp
, objPtr
->internalRep
.listValue
.ele
[i
]);
4955 Jim_Free(objPtr
->internalRep
.listValue
.ele
);
4958 void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
4961 JIM_NOTUSED(interp
);
4963 dupPtr
->internalRep
.listValue
.len
= srcPtr
->internalRep
.listValue
.len
;
4964 dupPtr
->internalRep
.listValue
.maxLen
= srcPtr
->internalRep
.listValue
.maxLen
;
4965 dupPtr
->internalRep
.listValue
.ele
=
4966 Jim_Alloc(sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.maxLen
);
4967 memcpy(dupPtr
->internalRep
.listValue
.ele
, srcPtr
->internalRep
.listValue
.ele
,
4968 sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.len
);
4969 for (i
= 0; i
< dupPtr
->internalRep
.listValue
.len
; i
++) {
4970 Jim_IncrRefCount(dupPtr
->internalRep
.listValue
.ele
[i
]);
4972 dupPtr
->typePtr
= &listObjType
;
4975 /* The following function checks if a given string can be encoded
4976 * into a list element without any kind of quoting, surrounded by braces,
4977 * or using escapes to quote. */
4978 #define JIM_ELESTR_SIMPLE 0
4979 #define JIM_ELESTR_BRACE 1
4980 #define JIM_ELESTR_QUOTE 2
4981 static int ListElementQuotingType(const char *s
, int len
)
4983 int i
, level
, trySimple
= 1;
4985 /* Try with the SIMPLE case */
4986 if (len
== 0) return JIM_ELESTR_BRACE
;
4987 if (s
[0] == '"' || s
[0] == '{') {
4991 for (i
= 0; i
< len
; i
++) {
5011 return JIM_ELESTR_SIMPLE
;
5014 /* Test if it's possible to do with braces */
5015 if (s
[len
-1] == '\\' ||
5016 s
[len
-1] == ']') return JIM_ELESTR_QUOTE
;
5018 for (i
= 0; i
< len
; i
++) {
5020 case '{': level
++; break;
5022 if (level
< 0) return JIM_ELESTR_QUOTE
;
5026 return JIM_ELESTR_QUOTE
;
5028 if (s
[i
+1] != '\0') i
++;
5033 if (!trySimple
) return JIM_ELESTR_BRACE
;
5034 for (i
= 0; i
< len
; i
++) {
5048 return JIM_ELESTR_BRACE
;
5052 return JIM_ELESTR_SIMPLE
;
5054 return JIM_ELESTR_QUOTE
;
5057 /* Returns the malloc-ed representation of a string
5058 * using backslash to quote special chars. */
5059 char *BackslashQuoteString(const char *s
, int len
, int *qlenPtr
)
5061 char *q
= Jim_Alloc(len
*2+1), *p
;
5078 case '\n': *p
++ = '\\'; *p
++ = 'n'; s
++; break;
5079 case '\r': *p
++ = '\\'; *p
++ = 'r'; s
++; break;
5080 case '\t': *p
++ = '\\'; *p
++ = 't'; s
++; break;
5081 case '\f': *p
++ = '\\'; *p
++ = 'f'; s
++; break;
5082 case '\v': *p
++ = '\\'; *p
++ = 'v'; s
++; break;
5093 void UpdateStringOfList(struct Jim_Obj
*objPtr
)
5095 int i
, bufLen
, realLength
;
5099 Jim_Obj
**ele
= objPtr
->internalRep
.listValue
.ele
;
5101 /* (Over) Estimate the space needed. */
5102 quotingType
= Jim_Alloc(sizeof(int)*objPtr
->internalRep
.listValue
.len
+1);
5104 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5107 strRep
= Jim_GetString(ele
[i
], &len
);
5108 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5109 switch (quotingType
[i
]) {
5110 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5111 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5112 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5114 bufLen
++; /* elements separator. */
5118 /* Generate the string rep. */
5119 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5121 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5123 const char *strRep
= Jim_GetString(ele
[i
], &len
);
5126 switch(quotingType
[i
]) {
5127 case JIM_ELESTR_SIMPLE
:
5128 memcpy(p
, strRep
, len
);
5132 case JIM_ELESTR_BRACE
:
5134 memcpy(p
, strRep
, len
);
5137 realLength
+= len
+2;
5139 case JIM_ELESTR_QUOTE
:
5140 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5147 /* Add a separating space */
5148 if (i
+1 != objPtr
->internalRep
.listValue
.len
) {
5153 *p
= '\0'; /* nul term. */
5154 objPtr
->length
= realLength
;
5155 Jim_Free(quotingType
);
5158 int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5160 struct JimParserCtx parser
;
5164 /* Get the string representation */
5165 str
= Jim_GetString(objPtr
, &strLen
);
5167 /* Free the old internal repr just now and initialize the
5168 * new one just now. The string->list conversion can't fail. */
5169 Jim_FreeIntRep(interp
, objPtr
);
5170 objPtr
->typePtr
= &listObjType
;
5171 objPtr
->internalRep
.listValue
.len
= 0;
5172 objPtr
->internalRep
.listValue
.maxLen
= 0;
5173 objPtr
->internalRep
.listValue
.ele
= NULL
;
5175 /* Convert into a list */
5176 JimParserInit(&parser
, str
, strLen
, 1);
5177 while(!JimParserEof(&parser
)) {
5180 Jim_Obj
*elementPtr
;
5182 JimParseList(&parser
);
5183 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5184 JimParserTtype(&parser
) != JIM_TT_ESC
)
5186 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5187 elementPtr
= Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5188 ListAppendElement(objPtr
, elementPtr
);
5193 Jim_Obj
*Jim_NewListObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
,
5199 objPtr
= Jim_NewObj(interp
);
5200 objPtr
->typePtr
= &listObjType
;
5201 objPtr
->bytes
= NULL
;
5202 objPtr
->internalRep
.listValue
.ele
= NULL
;
5203 objPtr
->internalRep
.listValue
.len
= 0;
5204 objPtr
->internalRep
.listValue
.maxLen
= 0;
5205 for (i
= 0; i
< len
; i
++) {
5206 ListAppendElement(objPtr
, elements
[i
]);
5211 /* Return a vector of Jim_Obj with the elements of a Jim list, and the
5212 * length of the vector. Note that the user of this function should make
5213 * sure that the list object can't shimmer while the vector returned
5214 * is in use, this vector is the one stored inside the internal representation
5215 * of the list object. This function is not exported, extensions should
5216 * always access to the List object elements using Jim_ListIndex(). */
5217 static void JimListGetElements(Jim_Interp
*interp
, Jim_Obj
*listObj
, int *argc
,
5220 Jim_ListLength(interp
, listObj
, argc
);
5221 assert(listObj
->typePtr
== &listObjType
);
5222 *listVec
= listObj
->internalRep
.listValue
.ele
;
5225 /* ListSortElements type values */
5226 enum {JIM_LSORT_ASCII
, JIM_LSORT_NOCASE
, JIM_LSORT_ASCII_DECR
,
5227 JIM_LSORT_NOCASE_DECR
};
5229 /* Sort the internal rep of a list. */
5230 static int ListSortString(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5232 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0);
5235 static int ListSortStringDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5237 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0) * -1;
5240 static int ListSortStringNoCase(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5242 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1);
5245 static int ListSortStringNoCaseDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5247 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1) * -1;
5250 /* Sort a list *in place*. MUST be called with non-shared objects. */
5251 static void ListSortElements(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, int type
)
5253 typedef int (qsort_comparator
)(const void *, const void *);
5254 int (*fn
)(Jim_Obj
**, Jim_Obj
**);
5258 if (Jim_IsShared(listObjPtr
))
5259 Jim_Panic(interp
,"Jim_ListSortElements called with shared object");
5260 if (listObjPtr
->typePtr
!= &listObjType
)
5261 SetListFromAny(interp
, listObjPtr
);
5263 vector
= listObjPtr
->internalRep
.listValue
.ele
;
5264 len
= listObjPtr
->internalRep
.listValue
.len
;
5266 case JIM_LSORT_ASCII
: fn
= ListSortString
; break;
5267 case JIM_LSORT_NOCASE
: fn
= ListSortStringNoCase
; break;
5268 case JIM_LSORT_ASCII_DECR
: fn
= ListSortStringDecr
; break;
5269 case JIM_LSORT_NOCASE_DECR
: fn
= ListSortStringNoCaseDecr
; break;
5271 fn
= NULL
; /* avoid warning */
5272 Jim_Panic(interp
,"ListSort called with invalid sort type");
5274 qsort(vector
, len
, sizeof(Jim_Obj
*), (qsort_comparator
*)fn
);
5275 Jim_InvalidateStringRep(listObjPtr
);
5278 /* This is the low-level function to append an element to a list.
5279 * The higher-level Jim_ListAppendElement() performs shared object
5280 * check and invalidate the string repr. This version is used
5281 * in the internals of the List Object and is not exported.
5283 * NOTE: this function can be called only against objects
5284 * with internal type of List. */
5285 void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5287 int requiredLen
= listPtr
->internalRep
.listValue
.len
+ 1;
5289 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5290 int maxLen
= requiredLen
* 2;
5292 listPtr
->internalRep
.listValue
.ele
=
5293 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5294 sizeof(Jim_Obj
*)*maxLen
);
5295 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5297 listPtr
->internalRep
.listValue
.ele
[listPtr
->internalRep
.listValue
.len
] =
5299 listPtr
->internalRep
.listValue
.len
++;
5300 Jim_IncrRefCount(objPtr
);
5303 /* This is the low-level function to insert elements into a list.
5304 * The higher-level Jim_ListInsertElements() performs shared object
5305 * check and invalidate the string repr. This version is used
5306 * in the internals of the List Object and is not exported.
5308 * NOTE: this function can be called only against objects
5309 * with internal type of List. */
5310 void ListInsertElements(Jim_Obj
*listPtr
, int index
, int elemc
,
5311 Jim_Obj
*const *elemVec
)
5313 int currentLen
= listPtr
->internalRep
.listValue
.len
;
5314 int requiredLen
= currentLen
+ elemc
;
5318 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5319 int maxLen
= requiredLen
* 2;
5321 listPtr
->internalRep
.listValue
.ele
=
5322 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5323 sizeof(Jim_Obj
*)*maxLen
);
5324 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5326 point
= listPtr
->internalRep
.listValue
.ele
+ index
;
5327 memmove(point
+elemc
, point
, (currentLen
-index
) * sizeof(Jim_Obj
*));
5328 for (i
=0; i
< elemc
; ++i
) {
5329 point
[i
] = elemVec
[i
];
5330 Jim_IncrRefCount(point
[i
]);
5332 listPtr
->internalRep
.listValue
.len
+= elemc
;
5335 /* Appends every element of appendListPtr into listPtr.
5336 * Both have to be of the list type. */
5337 void ListAppendList(Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5339 int i
, oldLen
= listPtr
->internalRep
.listValue
.len
;
5340 int appendLen
= appendListPtr
->internalRep
.listValue
.len
;
5341 int requiredLen
= oldLen
+ appendLen
;
5343 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5344 int maxLen
= requiredLen
* 2;
5346 listPtr
->internalRep
.listValue
.ele
=
5347 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5348 sizeof(Jim_Obj
*)*maxLen
);
5349 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5351 for (i
= 0; i
< appendLen
; i
++) {
5352 Jim_Obj
*objPtr
= appendListPtr
->internalRep
.listValue
.ele
[i
];
5353 listPtr
->internalRep
.listValue
.ele
[oldLen
+i
] = objPtr
;
5354 Jim_IncrRefCount(objPtr
);
5356 listPtr
->internalRep
.listValue
.len
+= appendLen
;
5359 void Jim_ListAppendElement(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5361 if (Jim_IsShared(listPtr
))
5362 Jim_Panic(interp
,"Jim_ListAppendElement called with shared object");
5363 if (listPtr
->typePtr
!= &listObjType
)
5364 SetListFromAny(interp
, listPtr
);
5365 Jim_InvalidateStringRep(listPtr
);
5366 ListAppendElement(listPtr
, objPtr
);
5369 void Jim_ListAppendList(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5371 if (Jim_IsShared(listPtr
))
5372 Jim_Panic(interp
,"Jim_ListAppendList called with shared object");
5373 if (listPtr
->typePtr
!= &listObjType
)
5374 SetListFromAny(interp
, listPtr
);
5375 Jim_InvalidateStringRep(listPtr
);
5376 ListAppendList(listPtr
, appendListPtr
);
5379 void Jim_ListLength(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int *intPtr
)
5381 if (listPtr
->typePtr
!= &listObjType
)
5382 SetListFromAny(interp
, listPtr
);
5383 *intPtr
= listPtr
->internalRep
.listValue
.len
;
5386 void Jim_ListInsertElements(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5387 int objc
, Jim_Obj
*const *objVec
)
5389 if (Jim_IsShared(listPtr
))
5390 Jim_Panic(interp
,"Jim_ListInsertElement called with shared object");
5391 if (listPtr
->typePtr
!= &listObjType
)
5392 SetListFromAny(interp
, listPtr
);
5393 if (index
>= 0 && index
> listPtr
->internalRep
.listValue
.len
)
5394 index
= listPtr
->internalRep
.listValue
.len
;
5395 else if (index
< 0 )
5397 Jim_InvalidateStringRep(listPtr
);
5398 ListInsertElements(listPtr
, index
, objc
, objVec
);
5401 int Jim_ListIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5402 Jim_Obj
**objPtrPtr
, int flags
)
5404 if (listPtr
->typePtr
!= &listObjType
)
5405 SetListFromAny(interp
, listPtr
);
5406 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5407 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5408 if (flags
& JIM_ERRMSG
) {
5409 Jim_SetResultString(interp
,
5410 "list index out of range", -1);
5415 index
= listPtr
->internalRep
.listValue
.len
+index
;
5416 *objPtrPtr
= listPtr
->internalRep
.listValue
.ele
[index
];
5420 static int ListSetIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5421 Jim_Obj
*newObjPtr
, int flags
)
5423 if (listPtr
->typePtr
!= &listObjType
)
5424 SetListFromAny(interp
, listPtr
);
5425 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5426 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5427 if (flags
& JIM_ERRMSG
) {
5428 Jim_SetResultString(interp
,
5429 "list index out of range", -1);
5434 index
= listPtr
->internalRep
.listValue
.len
+index
;
5435 Jim_DecrRefCount(interp
, listPtr
->internalRep
.listValue
.ele
[index
]);
5436 listPtr
->internalRep
.listValue
.ele
[index
] = newObjPtr
;
5437 Jim_IncrRefCount(newObjPtr
);
5441 /* Modify the list stored into the variable named 'varNamePtr'
5442 * setting the element specified by the 'indexc' indexes objects in 'indexv',
5443 * with the new element 'newObjptr'. */
5444 int Jim_SetListIndex(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5445 Jim_Obj
*const *indexv
, int indexc
, Jim_Obj
*newObjPtr
)
5447 Jim_Obj
*varObjPtr
, *objPtr
, *listObjPtr
;
5448 int shared
, i
, index
;
5450 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5453 if ((shared
= Jim_IsShared(objPtr
)))
5454 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5455 for (i
= 0; i
< indexc
-1; i
++) {
5456 listObjPtr
= objPtr
;
5457 if (Jim_GetIndex(interp
, indexv
[i
], &index
) != JIM_OK
)
5459 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
5460 JIM_ERRMSG
) != JIM_OK
) {
5463 if (Jim_IsShared(objPtr
)) {
5464 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5465 ListSetIndex(interp
, listObjPtr
, index
, objPtr
, JIM_NONE
);
5467 Jim_InvalidateStringRep(listObjPtr
);
5469 if (Jim_GetIndex(interp
, indexv
[indexc
-1], &index
) != JIM_OK
)
5471 if (ListSetIndex(interp
, objPtr
, index
, newObjPtr
, JIM_ERRMSG
) == JIM_ERR
)
5473 Jim_InvalidateStringRep(objPtr
);
5474 Jim_InvalidateStringRep(varObjPtr
);
5475 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5477 Jim_SetResult(interp
, varObjPtr
);
5481 Jim_FreeNewObj(interp
, varObjPtr
);
5486 Jim_Obj
*Jim_ConcatObj(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
5490 /* If all the objects in objv are lists without string rep.
5491 * it's possible to return a list as result, that's the
5492 * concatenation of all the lists. */
5493 for (i
= 0; i
< objc
; i
++) {
5494 if (objv
[i
]->typePtr
!= &listObjType
|| objv
[i
]->bytes
)
5498 Jim_Obj
*objPtr
= Jim_NewListObj(interp
, NULL
, 0);
5499 for (i
= 0; i
< objc
; i
++)
5500 Jim_ListAppendList(interp
, objPtr
, objv
[i
]);
5503 /* Else... we have to glue strings together */
5504 int len
= 0, objLen
;
5507 /* Compute the length */
5508 for (i
= 0; i
< objc
; i
++) {
5509 Jim_GetString(objv
[i
], &objLen
);
5512 if (objc
) len
+= objc
-1;
5513 /* Create the string rep, and a stinrg object holding it. */
5514 p
= bytes
= Jim_Alloc(len
+1);
5515 for (i
= 0; i
< objc
; i
++) {
5516 const char *s
= Jim_GetString(objv
[i
], &objLen
);
5517 while (objLen
&& (*s
== ' ' || *s
== '\t' || *s
== '\n'))
5519 s
++; objLen
--; len
--;
5521 while (objLen
&& (s
[objLen
-1] == ' ' ||
5522 s
[objLen
-1] == '\n' || s
[objLen
-1] == '\t')) {
5525 memcpy(p
, s
, objLen
);
5527 if (objLen
&& i
+1 != objc
) {
5529 } else if (i
+1 != objc
) {
5530 /* Drop the space calcuated for this
5531 * element that is instead null. */
5536 return Jim_NewStringObjNoAlloc(interp
, bytes
, len
);
5540 /* Returns a list composed of the elements in the specified range.
5541 * first and start are directly accepted as Jim_Objects and
5542 * processed for the end?-index? case. */
5543 Jim_Obj
*Jim_ListRange(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
5548 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
5549 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
5551 Jim_ListLength(interp
, listObjPtr
, &len
); /* will convert into list */
5552 first
= JimRelToAbsIndex(len
, first
);
5553 last
= JimRelToAbsIndex(len
, last
);
5554 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
5555 return Jim_NewListObj(interp
,
5556 listObjPtr
->internalRep
.listValue
.ele
+first
, rangeLen
);
5559 /* -----------------------------------------------------------------------------
5561 * ---------------------------------------------------------------------------*/
5562 static void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
5563 static void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
5564 static void UpdateStringOfDict(struct Jim_Obj
*objPtr
);
5565 static int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
5567 /* Dict HashTable Type.
5569 * Keys and Values are Jim objects. */
5571 unsigned int JimObjectHTHashFunction(const void *key
)
5574 Jim_Obj
*objPtr
= (Jim_Obj
*) key
;
5577 str
= Jim_GetString(objPtr
, &len
);
5578 h
= Jim_GenHashFunction((unsigned char*)str
, len
);
5582 int JimObjectHTKeyCompare(void *privdata
, const void *key1
, const void *key2
)
5584 JIM_NOTUSED(privdata
);
5586 return Jim_StringEqObj((Jim_Obj
*)key1
, (Jim_Obj
*)key2
, 0);
5589 static void JimObjectHTKeyValDestructor(void *interp
, void *val
)
5591 Jim_Obj
*objPtr
= val
;
5593 Jim_DecrRefCount(interp
, objPtr
);
5596 static Jim_HashTableType JimDictHashTableType
= {
5597 JimObjectHTHashFunction
, /* hash function */
5600 JimObjectHTKeyCompare
, /* key compare */
5601 (void(*)(void*, const void*)) /* ATTENTION: const cast */
5602 JimObjectHTKeyValDestructor
, /* key destructor */
5603 JimObjectHTKeyValDestructor
/* val destructor */
5606 /* Note that while the elements of the dict may contain references,
5607 * the list object itself can't. This basically means that the
5608 * dict object string representation as a whole can't contain references
5609 * that are not presents in the single elements. */
5610 static Jim_ObjType dictObjType
= {
5612 FreeDictInternalRep
,
5618 void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
5620 JIM_NOTUSED(interp
);
5622 Jim_FreeHashTable(objPtr
->internalRep
.ptr
);
5623 Jim_Free(objPtr
->internalRep
.ptr
);
5626 void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
5628 Jim_HashTable
*ht
, *dupHt
;
5629 Jim_HashTableIterator
*htiter
;
5632 /* Create a new hash table */
5633 ht
= srcPtr
->internalRep
.ptr
;
5634 dupHt
= Jim_Alloc(sizeof(*dupHt
));
5635 Jim_InitHashTable(dupHt
, &JimDictHashTableType
, interp
);
5637 Jim_ExpandHashTable(dupHt
, ht
->size
);
5638 /* Copy every element from the source to the dup hash table */
5639 htiter
= Jim_GetHashTableIterator(ht
);
5640 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5641 const Jim_Obj
*keyObjPtr
= he
->key
;
5642 Jim_Obj
*valObjPtr
= he
->val
;
5644 Jim_IncrRefCount((Jim_Obj
*)keyObjPtr
); /* ATTENTION: const cast */
5645 Jim_IncrRefCount(valObjPtr
);
5646 Jim_AddHashEntry(dupHt
, keyObjPtr
, valObjPtr
);
5648 Jim_FreeHashTableIterator(htiter
);
5650 dupPtr
->internalRep
.ptr
= dupHt
;
5651 dupPtr
->typePtr
= &dictObjType
;
5654 void UpdateStringOfDict(struct Jim_Obj
*objPtr
)
5656 int i
, bufLen
, realLength
;
5659 int *quotingType
, objc
;
5661 Jim_HashTableIterator
*htiter
;
5665 /* Trun the hash table into a flat vector of Jim_Objects. */
5666 ht
= objPtr
->internalRep
.ptr
;
5668 objv
= Jim_Alloc(objc
*sizeof(Jim_Obj
*));
5669 htiter
= Jim_GetHashTableIterator(ht
);
5671 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5672 objv
[i
++] = (Jim_Obj
*)he
->key
; /* ATTENTION: const cast */
5673 objv
[i
++] = he
->val
;
5675 Jim_FreeHashTableIterator(htiter
);
5676 /* (Over) Estimate the space needed. */
5677 quotingType
= Jim_Alloc(sizeof(int)*objc
);
5679 for (i
= 0; i
< objc
; i
++) {
5682 strRep
= Jim_GetString(objv
[i
], &len
);
5683 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5684 switch (quotingType
[i
]) {
5685 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5686 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5687 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5689 bufLen
++; /* elements separator. */
5693 /* Generate the string rep. */
5694 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5696 for (i
= 0; i
< objc
; i
++) {
5698 const char *strRep
= Jim_GetString(objv
[i
], &len
);
5701 switch(quotingType
[i
]) {
5702 case JIM_ELESTR_SIMPLE
:
5703 memcpy(p
, strRep
, len
);
5707 case JIM_ELESTR_BRACE
:
5709 memcpy(p
, strRep
, len
);
5712 realLength
+= len
+2;
5714 case JIM_ELESTR_QUOTE
:
5715 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5722 /* Add a separating space */
5728 *p
= '\0'; /* nul term. */
5729 objPtr
->length
= realLength
;
5730 Jim_Free(quotingType
);
5734 int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5736 struct JimParserCtx parser
;
5742 /* Get the string representation */
5743 str
= Jim_GetString(objPtr
, &strLen
);
5745 /* Free the old internal repr just now and initialize the
5746 * new one just now. The string->list conversion can't fail. */
5747 Jim_FreeIntRep(interp
, objPtr
);
5748 ht
= Jim_Alloc(sizeof(*ht
));
5749 Jim_InitHashTable(ht
, &JimDictHashTableType
, interp
);
5750 objPtr
->typePtr
= &dictObjType
;
5751 objPtr
->internalRep
.ptr
= ht
;
5753 /* Convert into a dict */
5754 JimParserInit(&parser
, str
, strLen
, 1);
5756 while(!JimParserEof(&parser
)) {
5760 JimParseList(&parser
);
5761 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5762 JimParserTtype(&parser
) != JIM_TT_ESC
)
5764 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5765 objv
[i
++] = Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5768 Jim_IncrRefCount(objv
[0]);
5769 Jim_IncrRefCount(objv
[1]);
5770 if (Jim_AddHashEntry(ht
, objv
[0], objv
[1]) != JIM_OK
) {
5772 he
= Jim_FindHashEntry(ht
, objv
[0]);
5773 Jim_DecrRefCount(interp
, objv
[0]);
5774 /* ATTENTION: const cast */
5775 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5781 Jim_FreeNewObj(interp
, objv
[0]);
5782 objPtr
->typePtr
= NULL
;
5783 Jim_FreeHashTable(ht
);
5784 Jim_SetResultString(interp
, "invalid dictionary value: must be a list with an even number of elements", -1);
5790 /* Dict object API */
5792 /* Add an element to a dict. objPtr must be of the "dict" type.
5793 * The higer-level exported function is Jim_DictAddElement().
5794 * If an element with the specified key already exists, the value
5795 * associated is replaced with the new one.
5797 * if valueObjPtr == NULL, the key is instead removed if it exists. */
5798 static void DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5799 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5801 Jim_HashTable
*ht
= objPtr
->internalRep
.ptr
;
5803 if (valueObjPtr
== NULL
) { /* unset */
5804 Jim_DeleteHashEntry(ht
, keyObjPtr
);
5807 Jim_IncrRefCount(keyObjPtr
);
5808 Jim_IncrRefCount(valueObjPtr
);
5809 if (Jim_AddHashEntry(ht
, keyObjPtr
, valueObjPtr
) != JIM_OK
) {
5810 Jim_HashEntry
*he
= Jim_FindHashEntry(ht
, keyObjPtr
);
5811 Jim_DecrRefCount(interp
, keyObjPtr
);
5812 /* ATTENTION: const cast */
5813 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5814 he
->val
= valueObjPtr
;
5818 /* Add an element, higher-level interface for DictAddElement().
5819 * If valueObjPtr == NULL, the key is removed if it exists. */
5820 int Jim_DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5821 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5823 if (Jim_IsShared(objPtr
))
5824 Jim_Panic(interp
,"Jim_DictAddElement called with shared object");
5825 if (objPtr
->typePtr
!= &dictObjType
) {
5826 if (SetDictFromAny(interp
, objPtr
) != JIM_OK
)
5829 DictAddElement(interp
, objPtr
, keyObjPtr
, valueObjPtr
);
5830 Jim_InvalidateStringRep(objPtr
);
5834 Jim_Obj
*Jim_NewDictObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
, int len
)
5840 Jim_Panic(interp
,"Jim_NewDicObj() 'len' argument must be even");
5842 objPtr
= Jim_NewObj(interp
);
5843 objPtr
->typePtr
= &dictObjType
;
5844 objPtr
->bytes
= NULL
;
5845 objPtr
->internalRep
.ptr
= Jim_Alloc(sizeof(Jim_HashTable
));
5846 Jim_InitHashTable(objPtr
->internalRep
.ptr
, &JimDictHashTableType
, interp
);
5847 for (i
= 0; i
< len
; i
+= 2)
5848 DictAddElement(interp
, objPtr
, elements
[i
], elements
[i
+1]);
5852 /* Return the value associated to the specified dict key */
5853 int Jim_DictKey(Jim_Interp
*interp
, Jim_Obj
*dictPtr
, Jim_Obj
*keyPtr
,
5854 Jim_Obj
**objPtrPtr
, int flags
)
5859 if (dictPtr
->typePtr
!= &dictObjType
) {
5860 if (SetDictFromAny(interp
, dictPtr
) != JIM_OK
)
5863 ht
= dictPtr
->internalRep
.ptr
;
5864 if ((he
= Jim_FindHashEntry(ht
, keyPtr
)) == NULL
) {
5865 if (flags
& JIM_ERRMSG
) {
5866 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
5867 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
5868 "key \"", Jim_GetString(keyPtr
, NULL
),
5869 "\" not found in dictionary", NULL
);
5873 *objPtrPtr
= he
->val
;
5877 /* Return the value associated to the specified dict keys */
5878 int Jim_DictKeysVector(Jim_Interp
*interp
, Jim_Obj
*dictPtr
,
5879 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
**objPtrPtr
, int flags
)
5885 *objPtrPtr
= dictPtr
;
5889 for (i
= 0; i
< keyc
; i
++) {
5890 if (Jim_DictKey(interp
, dictPtr
, keyv
[i
], &objPtr
, flags
)
5895 *objPtrPtr
= objPtr
;
5899 /* Modify the dict stored into the variable named 'varNamePtr'
5900 * setting the element specified by the 'keyc' keys objects in 'keyv',
5901 * with the new value of the element 'newObjPtr'.
5903 * If newObjPtr == NULL the operation is to remove the given key
5904 * from the dictionary. */
5905 int Jim_SetDictKeysVector(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5906 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
*newObjPtr
)
5908 Jim_Obj
*varObjPtr
, *objPtr
, *dictObjPtr
;
5911 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5912 if (objPtr
== NULL
) {
5913 if (newObjPtr
== NULL
) /* Cannot remove a key from non existing var */
5915 varObjPtr
= objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5916 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
5917 Jim_FreeNewObj(interp
, varObjPtr
);
5921 if ((shared
= Jim_IsShared(objPtr
)))
5922 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5923 for (i
= 0; i
< keyc
-1; i
++) {
5924 dictObjPtr
= objPtr
;
5926 /* Check if it's a valid dictionary */
5927 if (dictObjPtr
->typePtr
!= &dictObjType
) {
5928 if (SetDictFromAny(interp
, dictObjPtr
) != JIM_OK
)
5931 /* Check if the given key exists. */
5932 Jim_InvalidateStringRep(dictObjPtr
);
5933 if (Jim_DictKey(interp
, dictObjPtr
, keyv
[i
], &objPtr
,
5934 newObjPtr
? JIM_NONE
: JIM_ERRMSG
) == JIM_OK
)
5936 /* This key exists at the current level.
5937 * Make sure it's not shared!. */
5938 if (Jim_IsShared(objPtr
)) {
5939 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5940 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5943 /* Key not found. If it's an [unset] operation
5944 * this is an error. Only the last key may not
5946 if (newObjPtr
== NULL
)
5948 /* Otherwise set an empty dictionary
5949 * as key's value. */
5950 objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5951 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5954 if (Jim_DictAddElement(interp
, objPtr
, keyv
[keyc
-1], newObjPtr
)
5957 Jim_InvalidateStringRep(objPtr
);
5958 Jim_InvalidateStringRep(varObjPtr
);
5959 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5961 Jim_SetResult(interp
, varObjPtr
);
5965 Jim_FreeNewObj(interp
, varObjPtr
);
5970 /* -----------------------------------------------------------------------------
5972 * ---------------------------------------------------------------------------*/
5973 static void UpdateStringOfIndex(struct Jim_Obj
*objPtr
);
5974 static int SetIndexFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
5976 static Jim_ObjType indexObjType
= {
5980 UpdateStringOfIndex
,
5984 void UpdateStringOfIndex(struct Jim_Obj
*objPtr
)
5987 char buf
[JIM_INTEGER_SPACE
+1];
5989 if (objPtr
->internalRep
.indexValue
>= 0)
5990 len
= sprintf(buf
, "%d", objPtr
->internalRep
.indexValue
);
5991 else if (objPtr
->internalRep
.indexValue
== -1)
5992 len
= sprintf(buf
, "end");
5994 len
= sprintf(buf
, "end%d", objPtr
->internalRep
.indexValue
+1);
5996 objPtr
->bytes
= Jim_Alloc(len
+1);
5997 memcpy(objPtr
->bytes
, buf
, len
+1);
5998 objPtr
->length
= len
;
6001 int SetIndexFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6006 /* Get the string representation */
6007 str
= Jim_GetString(objPtr
, NULL
);
6008 /* Try to convert into an index */
6009 if (!strcmp(str
, "end")) {
6013 if (!strncmp(str
, "end-", 4)) {
6017 if (Jim_StringToIndex(str
, &index
) != JIM_OK
) {
6018 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6019 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6020 "bad index \"", Jim_GetString(objPtr
, NULL
), "\": "
6021 "must be integer or end?-integer?", NULL
);
6030 } else if (!end
&& index
< 0)
6032 /* Free the old internal repr and set the new one. */
6033 Jim_FreeIntRep(interp
, objPtr
);
6034 objPtr
->typePtr
= &indexObjType
;
6035 objPtr
->internalRep
.indexValue
= index
;
6039 int Jim_GetIndex(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *indexPtr
)
6041 /* Avoid shimmering if the object is an integer. */
6042 if (objPtr
->typePtr
== &intObjType
) {
6043 jim_wide val
= objPtr
->internalRep
.wideValue
;
6044 if (!(val
< LONG_MIN
) && !(val
> LONG_MAX
)) {
6045 *indexPtr
= (val
< 0) ? -INT_MAX
: (long)val
;;
6049 if (objPtr
->typePtr
!= &indexObjType
&&
6050 SetIndexFromAny(interp
, objPtr
) == JIM_ERR
)
6052 *indexPtr
= objPtr
->internalRep
.indexValue
;
6056 /* -----------------------------------------------------------------------------
6057 * Return Code Object.
6058 * ---------------------------------------------------------------------------*/
6060 static int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6062 static Jim_ObjType returnCodeObjType
= {
6070 int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6073 int strLen
, returnCode
;
6076 /* Get the string representation */
6077 str
= Jim_GetString(objPtr
, &strLen
);
6078 /* Try to convert into an integer */
6079 if (JimGetWideNoErr(interp
, objPtr
, &wideValue
) != JIM_ERR
)
6080 returnCode
= (int) wideValue
;
6081 else if (!JimStringCompare(str
, strLen
, "ok", 2, JIM_NOCASE
))
6082 returnCode
= JIM_OK
;
6083 else if (!JimStringCompare(str
, strLen
, "error", 5, JIM_NOCASE
))
6084 returnCode
= JIM_ERR
;
6085 else if (!JimStringCompare(str
, strLen
, "return", 6, JIM_NOCASE
))
6086 returnCode
= JIM_RETURN
;
6087 else if (!JimStringCompare(str
, strLen
, "break", 5, JIM_NOCASE
))
6088 returnCode
= JIM_BREAK
;
6089 else if (!JimStringCompare(str
, strLen
, "continue", 8, JIM_NOCASE
))
6090 returnCode
= JIM_CONTINUE
;
6091 else if (!JimStringCompare(str
, strLen
, "eval", 4, JIM_NOCASE
))
6092 returnCode
= JIM_EVAL
;
6093 else if (!JimStringCompare(str
, strLen
, "exit", 4, JIM_NOCASE
))
6094 returnCode
= JIM_EXIT
;
6096 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6097 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6098 "expected return code but got '", str
, "'",
6102 /* Free the old internal repr and set the new one. */
6103 Jim_FreeIntRep(interp
, objPtr
);
6104 objPtr
->typePtr
= &returnCodeObjType
;
6105 objPtr
->internalRep
.returnCode
= returnCode
;
6109 int Jim_GetReturnCode(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *intPtr
)
6111 if (objPtr
->typePtr
!= &returnCodeObjType
&&
6112 SetReturnCodeFromAny(interp
, objPtr
) == JIM_ERR
)
6114 *intPtr
= objPtr
->internalRep
.returnCode
;
6118 /* -----------------------------------------------------------------------------
6119 * Expression Parsing
6120 * ---------------------------------------------------------------------------*/
6121 static int JimParseExprOperator(struct JimParserCtx
*pc
);
6122 static int JimParseExprNumber(struct JimParserCtx
*pc
);
6123 static int JimParseExprIrrational(struct JimParserCtx
*pc
);
6125 /* Exrp's Stack machine operators opcodes. */
6127 /* Binary operators (numbers) */
6128 #define JIM_EXPROP_BINARY_NUM_FIRST 0 /* first */
6129 #define JIM_EXPROP_MUL 0
6130 #define JIM_EXPROP_DIV 1
6131 #define JIM_EXPROP_MOD 2
6132 #define JIM_EXPROP_SUB 3
6133 #define JIM_EXPROP_ADD 4
6134 #define JIM_EXPROP_LSHIFT 5
6135 #define JIM_EXPROP_RSHIFT 6
6136 #define JIM_EXPROP_ROTL 7
6137 #define JIM_EXPROP_ROTR 8
6138 #define JIM_EXPROP_LT 9
6139 #define JIM_EXPROP_GT 10
6140 #define JIM_EXPROP_LTE 11
6141 #define JIM_EXPROP_GTE 12
6142 #define JIM_EXPROP_NUMEQ 13
6143 #define JIM_EXPROP_NUMNE 14
6144 #define JIM_EXPROP_BITAND 15
6145 #define JIM_EXPROP_BITXOR 16
6146 #define JIM_EXPROP_BITOR 17
6147 #define JIM_EXPROP_LOGICAND 18
6148 #define JIM_EXPROP_LOGICOR 19
6149 #define JIM_EXPROP_LOGICAND_LEFT 20
6150 #define JIM_EXPROP_LOGICOR_LEFT 21
6151 #define JIM_EXPROP_POW 22
6152 #define JIM_EXPROP_BINARY_NUM_LAST 22 /* last */
6154 /* Binary operators (strings) */
6155 #define JIM_EXPROP_STREQ 23
6156 #define JIM_EXPROP_STRNE 24
6158 /* Unary operators (numbers) */
6159 #define JIM_EXPROP_NOT 25
6160 #define JIM_EXPROP_BITNOT 26
6161 #define JIM_EXPROP_UNARYMINUS 27
6162 #define JIM_EXPROP_UNARYPLUS 28
6163 #define JIM_EXPROP_LOGICAND_RIGHT 29
6164 #define JIM_EXPROP_LOGICOR_RIGHT 30
6166 /* Ternary operators */
6167 #define JIM_EXPROP_TERNARY 31
6170 #define JIM_EXPROP_NUMBER 32
6171 #define JIM_EXPROP_COMMAND 33
6172 #define JIM_EXPROP_VARIABLE 34
6173 #define JIM_EXPROP_DICTSUGAR 35
6174 #define JIM_EXPROP_SUBST 36
6175 #define JIM_EXPROP_STRING 37
6177 /* Operators table */
6178 typedef struct Jim_ExprOperator
{
6185 /* name - precedence - arity - opcode */
6186 static struct Jim_ExprOperator Jim_ExprOperators
[] = {
6187 {"!", 300, 1, JIM_EXPROP_NOT
},
6188 {"~", 300, 1, JIM_EXPROP_BITNOT
},
6189 {"unarymin", 300, 1, JIM_EXPROP_UNARYMINUS
},
6190 {"unaryplus", 300, 1, JIM_EXPROP_UNARYPLUS
},
6192 {"**", 250, 2, JIM_EXPROP_POW
},
6194 {"*", 200, 2, JIM_EXPROP_MUL
},
6195 {"/", 200, 2, JIM_EXPROP_DIV
},
6196 {"%", 200, 2, JIM_EXPROP_MOD
},
6198 {"-", 100, 2, JIM_EXPROP_SUB
},
6199 {"+", 100, 2, JIM_EXPROP_ADD
},
6201 {"<<<", 90, 3, JIM_EXPROP_ROTL
},
6202 {">>>", 90, 3, JIM_EXPROP_ROTR
},
6203 {"<<", 90, 2, JIM_EXPROP_LSHIFT
},
6204 {">>", 90, 2, JIM_EXPROP_RSHIFT
},
6206 {"<", 80, 2, JIM_EXPROP_LT
},
6207 {">", 80, 2, JIM_EXPROP_GT
},
6208 {"<=", 80, 2, JIM_EXPROP_LTE
},
6209 {">=", 80, 2, JIM_EXPROP_GTE
},
6211 {"==", 70, 2, JIM_EXPROP_NUMEQ
},
6212 {"!=", 70, 2, JIM_EXPROP_NUMNE
},
6214 {"eq", 60, 2, JIM_EXPROP_STREQ
},
6215 {"ne", 60, 2, JIM_EXPROP_STRNE
},
6217 {"&", 50, 2, JIM_EXPROP_BITAND
},
6218 {"^", 49, 2, JIM_EXPROP_BITXOR
},
6219 {"|", 48, 2, JIM_EXPROP_BITOR
},
6221 {"&&", 10, 2, JIM_EXPROP_LOGICAND
},
6222 {"||", 10, 2, JIM_EXPROP_LOGICOR
},
6224 {"?", 5, 3, JIM_EXPROP_TERNARY
},
6225 /* private operators */
6226 {NULL
, 10, 2, JIM_EXPROP_LOGICAND_LEFT
},
6227 {NULL
, 10, 1, JIM_EXPROP_LOGICAND_RIGHT
},
6228 {NULL
, 10, 2, JIM_EXPROP_LOGICOR_LEFT
},
6229 {NULL
, 10, 1, JIM_EXPROP_LOGICOR_RIGHT
},
6232 #define JIM_EXPR_OPERATORS_NUM \
6233 (sizeof(Jim_ExprOperators)/sizeof(struct Jim_ExprOperator))
6235 int JimParseExpression(struct JimParserCtx
*pc
)
6237 /* Discard spaces and quoted newline */
6238 while(*(pc
->p
) == ' ' ||
6242 (*(pc
->p
) == '\\' && *(pc
->p
+1) == '\n')) {
6247 pc
->tstart
= pc
->tend
= pc
->p
;
6248 pc
->tline
= pc
->linenr
;
6249 pc
->tt
= JIM_TT_EOL
;
6255 pc
->tstart
= pc
->tend
= pc
->p
;
6256 pc
->tline
= pc
->linenr
;
6257 pc
->tt
= JIM_TT_SUBEXPR_START
;
6261 pc
->tstart
= pc
->tend
= pc
->p
;
6262 pc
->tline
= pc
->linenr
;
6263 pc
->tt
= JIM_TT_SUBEXPR_END
;
6267 return JimParseCmd(pc
);
6270 if (JimParseVar(pc
) == JIM_ERR
)
6271 return JimParseExprOperator(pc
);
6276 if ((pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_EXPR_OPERATOR
) &&
6277 isdigit((int)*(pc
->p
+1)))
6278 return JimParseExprNumber(pc
);
6280 return JimParseExprOperator(pc
);
6282 case '0': case '1': case '2': case '3': case '4':
6283 case '5': case '6': case '7': case '8': case '9': case '.':
6284 return JimParseExprNumber(pc
);
6288 /* Here it's possible to reuse the List String parsing. */
6289 pc
->tt
= JIM_TT_NONE
; /* Make sure it's sensed as a new word. */
6290 return JimParseListStr(pc
);
6294 if (JimParseExprIrrational(pc
) == JIM_ERR
)
6295 return JimParseExprOperator(pc
);
6298 return JimParseExprOperator(pc
);
6304 int JimParseExprNumber(struct JimParserCtx
*pc
)
6310 pc
->tline
= pc
->linenr
;
6311 if (*pc
->p
== '-') {
6314 while ( isdigit((int)*pc
->p
)
6315 || (allowhex
&& isxdigit((int)*pc
->p
) )
6316 || (allowdot
&& *pc
->p
== '.')
6317 || (pc
->p
-pc
->tstart
== 1 && *pc
->tstart
== '0' &&
6318 (*pc
->p
== 'x' || *pc
->p
== 'X'))
6321 if ((*pc
->p
== 'x') || (*pc
->p
== 'X')) {
6328 if (!allowdot
&& *pc
->p
== 'e' && *(pc
->p
+1) == '-') {
6329 pc
->p
+= 2; pc
->len
-= 2;
6333 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6337 int JimParseExprIrrational(struct JimParserCtx
*pc
)
6339 const char *Tokens
[] = {"NaN", "nan", "NAN", "Inf", "inf", "INF", NULL
};
6341 for (token
= Tokens
; *token
!= NULL
; token
++) {
6342 int len
= strlen(*token
);
6343 if (strncmp(*token
, pc
->p
, len
) == 0) {
6345 pc
->tend
= pc
->p
+ len
- 1;
6346 pc
->p
+= len
; pc
->len
-= len
;
6347 pc
->tline
= pc
->linenr
;
6348 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6355 int JimParseExprOperator(struct JimParserCtx
*pc
)
6358 int bestIdx
= -1, bestLen
= 0;
6360 /* Try to get the longest match. */
6361 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++) {
6365 opname
= Jim_ExprOperators
[i
].name
;
6366 if (opname
== NULL
) continue;
6367 oplen
= strlen(opname
);
6369 if (strncmp(opname
, pc
->p
, oplen
) == 0 && oplen
> bestLen
) {
6374 if (bestIdx
== -1) return JIM_ERR
;
6376 pc
->tend
= pc
->p
+ bestLen
- 1;
6377 pc
->p
+= bestLen
; pc
->len
-= bestLen
;
6378 pc
->tline
= pc
->linenr
;
6379 pc
->tt
= JIM_TT_EXPR_OPERATOR
;
6383 struct Jim_ExprOperator
*JimExprOperatorInfo(const char *opname
)
6386 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6387 if (Jim_ExprOperators
[i
].name
&&
6388 strcmp(opname
, Jim_ExprOperators
[i
].name
) == 0)
6389 return &Jim_ExprOperators
[i
];
6393 struct Jim_ExprOperator
*JimExprOperatorInfoByOpcode(int opcode
)
6396 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6397 if (Jim_ExprOperators
[i
].opcode
== opcode
)
6398 return &Jim_ExprOperators
[i
];
6402 /* -----------------------------------------------------------------------------
6404 * ---------------------------------------------------------------------------*/
6405 static void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6406 static void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
6407 static int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6409 static Jim_ObjType exprObjType
= {
6411 FreeExprInternalRep
,
6414 JIM_TYPE_REFERENCES
,
6417 /* Expr bytecode structure */
6418 typedef struct ExprByteCode
{
6419 int *opcode
; /* Integer array of opcodes. */
6420 Jim_Obj
**obj
; /* Array of associated Jim Objects. */
6421 int len
; /* Bytecode length */
6422 int inUse
; /* Used for sharing. */
6425 void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6428 ExprByteCode
*expr
= (void*) objPtr
->internalRep
.ptr
;
6431 if (expr
->inUse
!= 0) return;
6432 for (i
= 0; i
< expr
->len
; i
++)
6433 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6434 Jim_Free(expr
->opcode
);
6435 Jim_Free(expr
->obj
);
6439 void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
6441 JIM_NOTUSED(interp
);
6442 JIM_NOTUSED(srcPtr
);
6444 /* Just returns an simple string. */
6445 dupPtr
->typePtr
= NULL
;
6448 /* Add a new instruction to an expression bytecode structure. */
6449 static void ExprObjAddInstr(Jim_Interp
*interp
, ExprByteCode
*expr
,
6450 int opcode
, char *str
, int len
)
6452 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+1));
6453 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+1));
6454 expr
->opcode
[expr
->len
] = opcode
;
6455 expr
->obj
[expr
->len
] = Jim_NewStringObjNoAlloc(interp
, str
, len
);
6456 Jim_IncrRefCount(expr
->obj
[expr
->len
]);
6460 /* Check if an expr program looks correct. */
6461 static int ExprCheckCorrectness(ExprByteCode
*expr
)
6466 /* Try to check if there are stack underflows,
6467 * and make sure at the end of the program there is
6468 * a single result on the stack. */
6469 for (i
= 0; i
< expr
->len
; i
++) {
6470 switch(expr
->opcode
[i
]) {
6471 case JIM_EXPROP_NUMBER
:
6472 case JIM_EXPROP_STRING
:
6473 case JIM_EXPROP_SUBST
:
6474 case JIM_EXPROP_VARIABLE
:
6475 case JIM_EXPROP_DICTSUGAR
:
6476 case JIM_EXPROP_COMMAND
:
6479 case JIM_EXPROP_NOT
:
6480 case JIM_EXPROP_BITNOT
:
6481 case JIM_EXPROP_UNARYMINUS
:
6482 case JIM_EXPROP_UNARYPLUS
:
6483 /* Unary operations */
6484 if (stacklen
< 1) return JIM_ERR
;
6486 case JIM_EXPROP_ADD
:
6487 case JIM_EXPROP_SUB
:
6488 case JIM_EXPROP_MUL
:
6489 case JIM_EXPROP_DIV
:
6490 case JIM_EXPROP_MOD
:
6493 case JIM_EXPROP_LTE
:
6494 case JIM_EXPROP_GTE
:
6495 case JIM_EXPROP_ROTL
:
6496 case JIM_EXPROP_ROTR
:
6497 case JIM_EXPROP_LSHIFT
:
6498 case JIM_EXPROP_RSHIFT
:
6499 case JIM_EXPROP_NUMEQ
:
6500 case JIM_EXPROP_NUMNE
:
6501 case JIM_EXPROP_STREQ
:
6502 case JIM_EXPROP_STRNE
:
6503 case JIM_EXPROP_BITAND
:
6504 case JIM_EXPROP_BITXOR
:
6505 case JIM_EXPROP_BITOR
:
6506 case JIM_EXPROP_LOGICAND
:
6507 case JIM_EXPROP_LOGICOR
:
6508 case JIM_EXPROP_POW
:
6509 /* binary operations */
6510 if (stacklen
< 2) return JIM_ERR
;
6514 Jim_Panic(NULL
,"Default opcode reached ExprCheckCorrectness");
6518 if (stacklen
!= 1) return JIM_ERR
;
6522 static void ExprShareLiterals(Jim_Interp
*interp
, ExprByteCode
*expr
,
6523 ScriptObj
*topLevelScript
)
6528 for (i
= 0; i
< expr
->len
; i
++) {
6529 Jim_Obj
*foundObjPtr
;
6531 if (expr
->obj
[i
] == NULL
) continue;
6532 foundObjPtr
= ScriptSearchLiteral(interp
, topLevelScript
,
6533 NULL
, expr
->obj
[i
]);
6534 if (foundObjPtr
!= NULL
) {
6535 Jim_IncrRefCount(foundObjPtr
);
6536 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6537 expr
->obj
[i
] = foundObjPtr
;
6542 /* This procedure converts every occurrence of || and && opereators
6543 * in lazy unary versions.
6545 * a b || is converted into:
6547 * a <offset> |L b |R
6549 * a b && is converted into:
6551 * a <offset> &L b &R
6553 * "|L" checks if 'a' is true:
6554 * 1) if it is true pushes 1 and skips <offset> istructions to reach
6555 * the opcode just after |R.
6556 * 2) if it is false does nothing.
6557 * "|R" checks if 'b' is true:
6558 * 1) if it is true pushes 1, otherwise pushes 0.
6560 * "&L" checks if 'a' is true:
6561 * 1) if it is true does nothing.
6562 * 2) If it is false pushes 0 and skips <offset> istructions to reach
6563 * the opcode just after &R
6564 * "&R" checks if 'a' is true:
6565 * if it is true pushes 1, otherwise pushes 0.
6567 static void ExprMakeLazy(Jim_Interp
*interp
, ExprByteCode
*expr
)
6570 int index
= -1, leftindex
, arity
, i
, offset
;
6571 Jim_ExprOperator
*op
;
6573 /* Search for || or && */
6574 for (i
= 0; i
< expr
->len
; i
++) {
6575 if (expr
->opcode
[i
] == JIM_EXPROP_LOGICAND
||
6576 expr
->opcode
[i
] == JIM_EXPROP_LOGICOR
) {
6581 if (index
== -1) return;
6582 /* Search for the end of the first operator */
6583 leftindex
= index
-1;
6586 switch(expr
->opcode
[leftindex
]) {
6587 case JIM_EXPROP_NUMBER
:
6588 case JIM_EXPROP_COMMAND
:
6589 case JIM_EXPROP_VARIABLE
:
6590 case JIM_EXPROP_DICTSUGAR
:
6591 case JIM_EXPROP_SUBST
:
6592 case JIM_EXPROP_STRING
:
6595 op
= JimExprOperatorInfoByOpcode(expr
->opcode
[i
]);
6597 Jim_Panic(interp
,"Default reached in ExprMakeLazy()");
6606 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+2));
6607 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+2));
6608 memmove(&expr
->opcode
[leftindex
+2], &expr
->opcode
[leftindex
],
6609 sizeof(int)*(expr
->len
-leftindex
));
6610 memmove(&expr
->obj
[leftindex
+2], &expr
->obj
[leftindex
],
6611 sizeof(Jim_Obj
*)*(expr
->len
-leftindex
));
6614 offset
= (index
-leftindex
)-1;
6615 Jim_DecrRefCount(interp
, expr
->obj
[index
]);
6616 if (expr
->opcode
[index
] == JIM_EXPROP_LOGICAND
) {
6617 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICAND_LEFT
;
6618 expr
->opcode
[index
] = JIM_EXPROP_LOGICAND_RIGHT
;
6619 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "&L", -1);
6620 expr
->obj
[index
] = Jim_NewStringObj(interp
, "&R", -1);
6622 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICOR_LEFT
;
6623 expr
->opcode
[index
] = JIM_EXPROP_LOGICOR_RIGHT
;
6624 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "|L", -1);
6625 expr
->obj
[index
] = Jim_NewStringObj(interp
, "|R", -1);
6627 expr
->opcode
[leftindex
] = JIM_EXPROP_NUMBER
;
6628 expr
->obj
[leftindex
] = Jim_NewIntObj(interp
, offset
);
6629 Jim_IncrRefCount(expr
->obj
[index
]);
6630 Jim_IncrRefCount(expr
->obj
[leftindex
]);
6631 Jim_IncrRefCount(expr
->obj
[leftindex
+1]);
6635 /* This method takes the string representation of an expression
6636 * and generates a program for the Expr's stack-based VM. */
6637 int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
6640 const char *exprText
= Jim_GetString(objPtr
, &exprTextLen
);
6641 struct JimParserCtx parser
;
6642 int i
, shareLiterals
;
6643 ExprByteCode
*expr
= Jim_Alloc(sizeof(*expr
));
6645 Jim_ExprOperator
*op
;
6647 /* Perform literal sharing with the current procedure
6648 * running only if this expression appears to be not generated
6650 shareLiterals
= objPtr
->typePtr
== &sourceObjType
;
6652 expr
->opcode
= NULL
;
6657 Jim_InitStack(&stack
);
6658 JimParserInit(&parser
, exprText
, exprTextLen
, 1);
6659 while(!JimParserEof(&parser
)) {
6663 if (JimParseExpression(&parser
) != JIM_OK
) {
6664 Jim_SetResultString(interp
, "Syntax error in expression", -1);
6667 token
= JimParserGetToken(&parser
, &len
, &type
, NULL
);
6668 if (type
== JIM_TT_EOL
) {
6674 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_STRING
, token
, len
);
6677 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_SUBST
, token
, len
);
6680 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_VARIABLE
, token
, len
);
6682 case JIM_TT_DICTSUGAR
:
6683 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_DICTSUGAR
, token
, len
);
6686 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_COMMAND
, token
, len
);
6688 case JIM_TT_EXPR_NUMBER
:
6689 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_NUMBER
, token
, len
);
6691 case JIM_TT_EXPR_OPERATOR
:
6692 op
= JimExprOperatorInfo(token
);
6694 Jim_ExprOperator
*stackTopOp
;
6696 if (Jim_StackPeek(&stack
) != NULL
) {
6697 stackTopOp
= JimExprOperatorInfo(Jim_StackPeek(&stack
));
6701 if (Jim_StackLen(&stack
) && op
->arity
!= 1 &&
6702 stackTopOp
&& stackTopOp
->precedence
>= op
->precedence
)
6704 ExprObjAddInstr(interp
, expr
, stackTopOp
->opcode
,
6705 Jim_StackPeek(&stack
), -1);
6706 Jim_StackPop(&stack
);
6711 Jim_StackPush(&stack
, token
);
6713 case JIM_TT_SUBEXPR_START
:
6714 Jim_StackPush(&stack
, Jim_StrDup("("));
6717 case JIM_TT_SUBEXPR_END
:
6720 while(Jim_StackLen(&stack
)) {
6721 char *opstr
= Jim_StackPop(&stack
);
6722 if (!strcmp(opstr
, "(")) {
6727 op
= JimExprOperatorInfo(opstr
);
6728 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6731 Jim_SetResultString(interp
,
6732 "Unexpected close parenthesis", -1);
6739 Jim_Panic(interp
,"Default reached in SetExprFromAny()");
6743 while (Jim_StackLen(&stack
)) {
6744 char *opstr
= Jim_StackPop(&stack
);
6745 op
= JimExprOperatorInfo(opstr
);
6746 if (op
== NULL
&& !strcmp(opstr
, "(")) {
6748 Jim_SetResultString(interp
, "Missing close parenthesis", -1);
6751 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6753 /* Check program correctness. */
6754 if (ExprCheckCorrectness(expr
) != JIM_OK
) {
6755 Jim_SetResultString(interp
, "Invalid expression", -1);
6759 /* Free the stack used for the compilation. */
6760 Jim_FreeStackElements(&stack
, Jim_Free
);
6761 Jim_FreeStack(&stack
);
6763 /* Convert || and && operators in unary |L |R and &L &R for lazyness */
6764 ExprMakeLazy(interp
, expr
);
6766 /* Perform literal sharing */
6767 if (shareLiterals
&& interp
->framePtr
->procBodyObjPtr
) {
6768 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
6769 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
6770 ScriptObj
*bodyScript
= bodyObjPtr
->internalRep
.ptr
;
6771 ExprShareLiterals(interp
, expr
, bodyScript
);
6775 /* Free the old internal rep and set the new one. */
6776 Jim_FreeIntRep(interp
, objPtr
);
6777 Jim_SetIntRepPtr(objPtr
, expr
);
6778 objPtr
->typePtr
= &exprObjType
;
6781 err
: /* we jump here on syntax/compile errors. */
6782 Jim_FreeStackElements(&stack
, Jim_Free
);
6783 Jim_FreeStack(&stack
);
6784 Jim_Free(expr
->opcode
);
6785 for (i
= 0; i
< expr
->len
; i
++) {
6786 Jim_DecrRefCount(interp
,expr
->obj
[i
]);
6788 Jim_Free(expr
->obj
);
6793 ExprByteCode
*Jim_GetExpression(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6795 if (objPtr
->typePtr
!= &exprObjType
) {
6796 if (SetExprFromAny(interp
, objPtr
) != JIM_OK
)
6799 return (ExprByteCode
*) Jim_GetIntRepPtr(objPtr
);
6802 /* -----------------------------------------------------------------------------
6803 * Expressions evaluation.
6804 * Jim uses a specialized stack-based virtual machine for expressions,
6805 * that takes advantage of the fact that expr's operators
6806 * can't be redefined.
6808 * Jim_EvalExpression() uses the bytecode compiled by
6809 * SetExprFromAny() method of the "expression" object.
6811 * On success a Tcl Object containing the result of the evaluation
6812 * is stored into expResultPtrPtr (having refcount of 1), and JIM_OK is
6814 * On error the function returns a retcode != to JIM_OK and set a suitable
6815 * error on the interp.
6816 * ---------------------------------------------------------------------------*/
6817 #define JIM_EE_STATICSTACK_LEN 10
6819 int Jim_EvalExpression(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
,
6820 Jim_Obj
**exprResultPtrPtr
)
6823 Jim_Obj
**stack
, *staticStack
[JIM_EE_STATICSTACK_LEN
];
6824 int stacklen
= 0, i
, error
= 0, errRetCode
= JIM_ERR
;
6826 Jim_IncrRefCount(exprObjPtr
);
6827 expr
= Jim_GetExpression(interp
, exprObjPtr
);
6829 Jim_DecrRefCount(interp
, exprObjPtr
);
6830 return JIM_ERR
; /* error in expression. */
6832 /* In order to avoid that the internal repr gets freed due to
6833 * shimmering of the exprObjPtr's object, we make the internal rep
6837 /* The stack-based expr VM itself */
6839 /* Stack allocation. Expr programs have the feature that
6840 * a program of length N can't require a stack longer than
6842 if (expr
->len
> JIM_EE_STATICSTACK_LEN
)
6843 stack
= Jim_Alloc(sizeof(Jim_Obj
*)*expr
->len
);
6845 stack
= staticStack
;
6847 /* Execute every istruction */
6848 for (i
= 0; i
< expr
->len
; i
++) {
6849 Jim_Obj
*A
, *B
, *objPtr
;
6850 jim_wide wA
, wB
, wC
;
6852 const char *sA
, *sB
;
6853 int Alen
, Blen
, retcode
;
6854 int opcode
= expr
->opcode
[i
];
6856 if (opcode
== JIM_EXPROP_NUMBER
|| opcode
== JIM_EXPROP_STRING
) {
6857 stack
[stacklen
++] = expr
->obj
[i
];
6858 Jim_IncrRefCount(expr
->obj
[i
]);
6859 } else if (opcode
== JIM_EXPROP_VARIABLE
) {
6860 objPtr
= Jim_GetVariable(interp
, expr
->obj
[i
], JIM_ERRMSG
);
6861 if (objPtr
== NULL
) {
6865 stack
[stacklen
++] = objPtr
;
6866 Jim_IncrRefCount(objPtr
);
6867 } else if (opcode
== JIM_EXPROP_SUBST
) {
6868 if ((retcode
= Jim_SubstObj(interp
, expr
->obj
[i
],
6869 &objPtr
, JIM_NONE
)) != JIM_OK
)
6872 errRetCode
= retcode
;
6875 stack
[stacklen
++] = objPtr
;
6876 Jim_IncrRefCount(objPtr
);
6877 } else if (opcode
== JIM_EXPROP_DICTSUGAR
) {
6878 objPtr
= Jim_ExpandDictSugar(interp
, expr
->obj
[i
]);
6879 if (objPtr
== NULL
) {
6883 stack
[stacklen
++] = objPtr
;
6884 Jim_IncrRefCount(objPtr
);
6885 } else if (opcode
== JIM_EXPROP_COMMAND
) {
6886 if ((retcode
= Jim_EvalObj(interp
, expr
->obj
[i
])) != JIM_OK
) {
6888 errRetCode
= retcode
;
6891 stack
[stacklen
++] = interp
->result
;
6892 Jim_IncrRefCount(interp
->result
);
6893 } else if (opcode
>= JIM_EXPROP_BINARY_NUM_FIRST
&&
6894 opcode
<= JIM_EXPROP_BINARY_NUM_LAST
)
6896 /* Note that there isn't to increment the
6897 * refcount of objects. the references are moved
6898 * from stack to A and B. */
6899 B
= stack
[--stacklen
];
6900 A
= stack
[--stacklen
];
6902 /* --- Integer --- */
6903 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
6904 (B
->typePtr
== &doubleObjType
&& !B
->bytes
) ||
6905 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
||
6906 JimGetWideNoErr(interp
, B
, &wB
) != JIM_OK
) {
6909 Jim_DecrRefCount(interp
, A
);
6910 Jim_DecrRefCount(interp
, B
);
6911 switch(expr
->opcode
[i
]) {
6912 case JIM_EXPROP_ADD
: wC
= wA
+wB
; break;
6913 case JIM_EXPROP_SUB
: wC
= wA
-wB
; break;
6914 case JIM_EXPROP_MUL
: wC
= wA
*wB
; break;
6915 case JIM_EXPROP_LT
: wC
= wA
<wB
; break;
6916 case JIM_EXPROP_GT
: wC
= wA
>wB
; break;
6917 case JIM_EXPROP_LTE
: wC
= wA
<=wB
; break;
6918 case JIM_EXPROP_GTE
: wC
= wA
>=wB
; break;
6919 case JIM_EXPROP_LSHIFT
: wC
= wA
<<wB
; break;
6920 case JIM_EXPROP_RSHIFT
: wC
= wA
>>wB
; break;
6921 case JIM_EXPROP_NUMEQ
: wC
= wA
==wB
; break;
6922 case JIM_EXPROP_NUMNE
: wC
= wA
!=wB
; break;
6923 case JIM_EXPROP_BITAND
: wC
= wA
&wB
; break;
6924 case JIM_EXPROP_BITXOR
: wC
= wA
^wB
; break;
6925 case JIM_EXPROP_BITOR
: wC
= wA
|wB
; break;
6926 case JIM_EXPROP_POW
: wC
= JimPowWide(wA
,wB
); break;
6927 case JIM_EXPROP_LOGICAND_LEFT
:
6935 case JIM_EXPROP_LOGICOR_LEFT
:
6943 case JIM_EXPROP_DIV
:
6944 if (wB
== 0) goto divbyzero
;
6947 case JIM_EXPROP_MOD
:
6948 if (wB
== 0) goto divbyzero
;
6951 case JIM_EXPROP_ROTL
: {
6952 /* uint32_t would be better. But not everyone has inttypes.h?*/
6953 unsigned long uA
= (unsigned long)wA
;
6955 wC
= _rotl(uA
,(unsigned long)wB
);
6957 const unsigned int S
= sizeof(unsigned long) * 8;
6958 wC
= (unsigned long)((uA
<<wB
)|(uA
>>(S
-wB
)));
6962 case JIM_EXPROP_ROTR
: {
6963 unsigned long uA
= (unsigned long)wA
;
6965 wC
= _rotr(uA
,(unsigned long)wB
);
6967 const unsigned int S
= sizeof(unsigned long) * 8;
6968 wC
= (unsigned long)((uA
>>wB
)|(uA
<<(S
-wB
)));
6974 wC
= 0; /* avoid gcc warning */
6977 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
6978 Jim_IncrRefCount(stack
[stacklen
]);
6982 /* --- Double --- */
6983 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
||
6984 Jim_GetDouble(interp
, B
, &dB
) != JIM_OK
) {
6985 Jim_DecrRefCount(interp
, A
);
6986 Jim_DecrRefCount(interp
, B
);
6990 Jim_DecrRefCount(interp
, A
);
6991 Jim_DecrRefCount(interp
, B
);
6992 switch(expr
->opcode
[i
]) {
6993 case JIM_EXPROP_ROTL
:
6994 case JIM_EXPROP_ROTR
:
6995 case JIM_EXPROP_LSHIFT
:
6996 case JIM_EXPROP_RSHIFT
:
6997 case JIM_EXPROP_BITAND
:
6998 case JIM_EXPROP_BITXOR
:
6999 case JIM_EXPROP_BITOR
:
7000 case JIM_EXPROP_MOD
:
7001 case JIM_EXPROP_POW
:
7002 Jim_SetResultString(interp
,
7003 "Got floating-point value where integer was expected", -1);
7007 case JIM_EXPROP_ADD
: dC
= dA
+dB
; break;
7008 case JIM_EXPROP_SUB
: dC
= dA
-dB
; break;
7009 case JIM_EXPROP_MUL
: dC
= dA
*dB
; break;
7010 case JIM_EXPROP_LT
: dC
= dA
<dB
; break;
7011 case JIM_EXPROP_GT
: dC
= dA
>dB
; break;
7012 case JIM_EXPROP_LTE
: dC
= dA
<=dB
; break;
7013 case JIM_EXPROP_GTE
: dC
= dA
>=dB
; break;
7014 case JIM_EXPROP_NUMEQ
: dC
= dA
==dB
; break;
7015 case JIM_EXPROP_NUMNE
: dC
= dA
!=dB
; break;
7016 case JIM_EXPROP_LOGICAND_LEFT
:
7024 case JIM_EXPROP_LOGICOR_LEFT
:
7032 case JIM_EXPROP_DIV
:
7033 if (dB
== 0) goto divbyzero
;
7037 dC
= 0; /* avoid gcc warning */
7040 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7041 Jim_IncrRefCount(stack
[stacklen
]);
7043 } else if (opcode
== JIM_EXPROP_STREQ
|| opcode
== JIM_EXPROP_STRNE
) {
7044 B
= stack
[--stacklen
];
7045 A
= stack
[--stacklen
];
7046 sA
= Jim_GetString(A
, &Alen
);
7047 sB
= Jim_GetString(B
, &Blen
);
7048 switch(expr
->opcode
[i
]) {
7049 case JIM_EXPROP_STREQ
:
7050 if (Alen
== Blen
&& memcmp(sA
, sB
, Alen
) ==0)
7055 case JIM_EXPROP_STRNE
:
7056 if (Alen
!= Blen
|| memcmp(sA
, sB
, Alen
) != 0)
7062 wC
= 0; /* avoid gcc warning */
7065 Jim_DecrRefCount(interp
, A
);
7066 Jim_DecrRefCount(interp
, B
);
7067 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7068 Jim_IncrRefCount(stack
[stacklen
]);
7070 } else if (opcode
== JIM_EXPROP_NOT
||
7071 opcode
== JIM_EXPROP_BITNOT
||
7072 opcode
== JIM_EXPROP_LOGICAND_RIGHT
||
7073 opcode
== JIM_EXPROP_LOGICOR_RIGHT
) {
7074 /* Note that there isn't to increment the
7075 * refcount of objects. the references are moved
7076 * from stack to A and B. */
7077 A
= stack
[--stacklen
];
7079 /* --- Integer --- */
7080 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
7081 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
) {
7082 goto trydouble_unary
;
7084 Jim_DecrRefCount(interp
, A
);
7085 switch(expr
->opcode
[i
]) {
7086 case JIM_EXPROP_NOT
: wC
= !wA
; break;
7087 case JIM_EXPROP_BITNOT
: wC
= ~wA
; break;
7088 case JIM_EXPROP_LOGICAND_RIGHT
:
7089 case JIM_EXPROP_LOGICOR_RIGHT
: wC
= (wA
!= 0); break;
7091 wC
= 0; /* avoid gcc warning */
7094 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7095 Jim_IncrRefCount(stack
[stacklen
]);
7099 /* --- Double --- */
7100 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
) {
7101 Jim_DecrRefCount(interp
, A
);
7105 Jim_DecrRefCount(interp
, A
);
7106 switch(expr
->opcode
[i
]) {
7107 case JIM_EXPROP_NOT
: dC
= !dA
; break;
7108 case JIM_EXPROP_LOGICAND_RIGHT
:
7109 case JIM_EXPROP_LOGICOR_RIGHT
: dC
= (dA
!= 0); break;
7110 case JIM_EXPROP_BITNOT
:
7111 Jim_SetResultString(interp
,
7112 "Got floating-point value where integer was expected", -1);
7117 dC
= 0; /* avoid gcc warning */
7120 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7121 Jim_IncrRefCount(stack
[stacklen
]);
7124 Jim_Panic(interp
,"Unknown opcode in Jim_EvalExpression");
7128 /* There is no need to decerement the inUse field because
7129 * this reference is transfered back into the exprObjPtr. */
7130 Jim_FreeIntRep(interp
, exprObjPtr
);
7131 exprObjPtr
->typePtr
= &exprObjType
;
7132 Jim_SetIntRepPtr(exprObjPtr
, expr
);
7133 Jim_DecrRefCount(interp
, exprObjPtr
);
7135 *exprResultPtrPtr
= stack
[0];
7136 Jim_IncrRefCount(stack
[0]);
7137 errRetCode
= JIM_OK
;
7139 for (i
= 0; i
< stacklen
; i
++) {
7140 Jim_DecrRefCount(interp
, stack
[i
]);
7142 if (stack
!= staticStack
)
7147 Jim_SetResultString(interp
, "Division by zero", -1);
7151 int Jim_GetBoolFromExpr(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
, int *boolPtr
)
7156 Jim_Obj
*exprResultPtr
;
7158 retcode
= Jim_EvalExpression(interp
, exprObjPtr
, &exprResultPtr
);
7159 if (retcode
!= JIM_OK
)
7161 if (JimGetWideNoErr(interp
, exprResultPtr
, &wideValue
) != JIM_OK
) {
7162 if (Jim_GetDouble(interp
, exprResultPtr
, &doubleValue
) != JIM_OK
)
7164 Jim_DecrRefCount(interp
, exprResultPtr
);
7167 Jim_DecrRefCount(interp
, exprResultPtr
);
7168 *boolPtr
= doubleValue
!= 0;
7172 Jim_DecrRefCount(interp
, exprResultPtr
);
7173 *boolPtr
= wideValue
!= 0;
7177 /* -----------------------------------------------------------------------------
7178 * ScanFormat String Object
7179 * ---------------------------------------------------------------------------*/
7181 /* This Jim_Obj will held a parsed representation of a format string passed to
7182 * the Jim_ScanString command. For error diagnostics, the scanformat string has
7183 * to be parsed in its entirely first and then, if correct, can be used for
7184 * scanning. To avoid endless re-parsing, the parsed representation will be
7185 * stored in an internal representation and re-used for performance reason. */
7187 /* A ScanFmtPartDescr will held the information of /one/ part of the whole
7188 * scanformat string. This part will later be used to extract information
7189 * out from the string to be parsed by Jim_ScanString */
7191 typedef struct ScanFmtPartDescr
{
7192 char type
; /* Type of conversion (e.g. c, d, f) */
7193 char modifier
; /* Modify type (e.g. l - long, h - short */
7194 size_t width
; /* Maximal width of input to be converted */
7195 int pos
; /* -1 - no assign, 0 - natural pos, >0 - XPG3 pos */
7196 char *arg
; /* Specification of a CHARSET conversion */
7197 char *prefix
; /* Prefix to be scanned literally before conversion */
7200 /* The ScanFmtStringObj will held the internal representation of a scanformat
7201 * string parsed and separated in part descriptions. Furthermore it contains
7202 * the original string representation of the scanformat string to allow for
7203 * fast update of the Jim_Obj's string representation part.
7205 * As add-on the internal object representation add some scratch pad area
7206 * for usage by Jim_ScanString to avoid endless allocating and freeing of
7207 * memory for purpose of string scanning.
7209 * The error member points to a static allocated string in case of a mal-
7210 * formed scanformat string or it contains '0' (NULL) in case of a valid
7211 * parse representation.
7213 * The whole memory of the internal representation is allocated as a single
7214 * area of memory that will be internally separated. So freeing and duplicating
7215 * of such an object is cheap */
7217 typedef struct ScanFmtStringObj
{
7218 jim_wide size
; /* Size of internal repr in bytes */
7219 char *stringRep
; /* Original string representation */
7220 size_t count
; /* Number of ScanFmtPartDescr contained */
7221 size_t convCount
; /* Number of conversions that will assign */
7222 size_t maxPos
; /* Max position index if XPG3 is used */
7223 const char *error
; /* Ptr to error text (NULL if no error */
7224 char *scratch
; /* Some scratch pad used by Jim_ScanString */
7225 ScanFmtPartDescr descr
[1]; /* The vector of partial descriptions */
7229 static void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
7230 static void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
7231 static void UpdateStringOfScanFmt(Jim_Obj
*objPtr
);
7233 static Jim_ObjType scanFmtStringObjType
= {
7235 FreeScanFmtInternalRep
,
7236 DupScanFmtInternalRep
,
7237 UpdateStringOfScanFmt
,
7241 void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7243 JIM_NOTUSED(interp
);
7244 Jim_Free((char*)objPtr
->internalRep
.ptr
);
7245 objPtr
->internalRep
.ptr
= 0;
7248 void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
7250 size_t size
= (size_t)((ScanFmtStringObj
*)srcPtr
->internalRep
.ptr
)->size
;
7251 ScanFmtStringObj
*newVec
= (ScanFmtStringObj
*)Jim_Alloc(size
);
7253 JIM_NOTUSED(interp
);
7254 memcpy(newVec
, srcPtr
->internalRep
.ptr
, size
);
7255 dupPtr
->internalRep
.ptr
= newVec
;
7256 dupPtr
->typePtr
= &scanFmtStringObjType
;
7259 void UpdateStringOfScanFmt(Jim_Obj
*objPtr
)
7261 char *bytes
= ((ScanFmtStringObj
*)objPtr
->internalRep
.ptr
)->stringRep
;
7263 objPtr
->bytes
= Jim_StrDup(bytes
);
7264 objPtr
->length
= strlen(bytes
);
7267 /* SetScanFmtFromAny will parse a given string and create the internal
7268 * representation of the format specification. In case of an error
7269 * the error data member of the internal representation will be set
7270 * to an descriptive error text and the function will be left with
7271 * JIM_ERR to indicate unsucessful parsing (aka. malformed scanformat
7274 static int SetScanFmtFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7276 ScanFmtStringObj
*fmtObj
;
7278 int maxCount
, i
, approxSize
, lastPos
= -1;
7279 const char *fmt
= objPtr
->bytes
;
7280 int maxFmtLen
= objPtr
->length
;
7281 const char *fmtEnd
= fmt
+ maxFmtLen
;
7284 Jim_FreeIntRep(interp
, objPtr
);
7285 /* Count how many conversions could take place maximally */
7286 for (i
=0, maxCount
=0; i
< maxFmtLen
; ++i
)
7289 /* Calculate an approximation of the memory necessary */
7290 approxSize
= sizeof(ScanFmtStringObj
) /* Size of the container */
7291 + (maxCount
+ 1) * sizeof(ScanFmtPartDescr
) /* Size of all partials */
7292 + maxFmtLen
* sizeof(char) + 3 + 1 /* Scratch + "%n" + '\0' */
7293 + maxFmtLen
* sizeof(char) + 1 /* Original stringrep */
7294 + maxFmtLen
* sizeof(char) /* Arg for CHARSETs */
7295 + (maxCount
+1) * sizeof(char) /* '\0' for every partial */
7296 + 1; /* safety byte */
7297 fmtObj
= (ScanFmtStringObj
*)Jim_Alloc(approxSize
);
7298 memset(fmtObj
, 0, approxSize
);
7299 fmtObj
->size
= approxSize
;
7301 fmtObj
->scratch
= (char*)&fmtObj
->descr
[maxCount
+1];
7302 fmtObj
->stringRep
= fmtObj
->scratch
+ maxFmtLen
+ 3 + 1;
7303 memcpy(fmtObj
->stringRep
, fmt
, maxFmtLen
);
7304 buffer
= fmtObj
->stringRep
+ maxFmtLen
+ 1;
7305 objPtr
->internalRep
.ptr
= fmtObj
;
7306 objPtr
->typePtr
= &scanFmtStringObjType
;
7307 for (i
=0, curr
=0; fmt
< fmtEnd
; ++fmt
) {
7309 ScanFmtPartDescr
*descr
= &fmtObj
->descr
[curr
];
7311 descr
->width
= 0; /* Assume width unspecified */
7312 /* Overread and store any "literal" prefix */
7313 if (*fmt
!= '%' || fmt
[1] == '%') {
7315 descr
->prefix
= &buffer
[i
];
7316 for (; fmt
< fmtEnd
; ++fmt
) {
7318 if (fmt
[1] != '%') break;
7325 /* Skip the conversion introducing '%' sign */
7327 /* End reached due to non-conversion literal only? */
7330 descr
->pos
= 0; /* Assume "natural" positioning */
7332 descr
->pos
= -1; /* Okay, conversion will not be assigned */
7335 fmtObj
->convCount
++; /* Otherwise count as assign-conversion */
7336 /* Check if next token is a number (could be width or pos */
7337 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7339 /* Was the number a XPG3 position specifier? */
7340 if (descr
->pos
!= -1 && *fmt
== '$') {
7345 /* Look if "natural" postioning and XPG3 one was mixed */
7346 if ((lastPos
== 0 && descr
->pos
> 0)
7347 || (lastPos
> 0 && descr
->pos
== 0)) {
7348 fmtObj
->error
= "cannot mix \"%\" and \"%n$\" conversion specifiers";
7351 /* Look if this position was already used */
7352 for (prev
=0; prev
< curr
; ++prev
) {
7353 if (fmtObj
->descr
[prev
].pos
== -1) continue;
7354 if (fmtObj
->descr
[prev
].pos
== descr
->pos
) {
7355 fmtObj
->error
= "same \"%n$\" conversion specifier "
7356 "used more than once";
7360 /* Try to find a width after the XPG3 specifier */
7361 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7362 descr
->width
= width
;
7365 if (descr
->pos
> 0 && (size_t)descr
->pos
> fmtObj
->maxPos
)
7366 fmtObj
->maxPos
= descr
->pos
;
7368 /* Number was not a XPG3, so it has to be a width */
7369 descr
->width
= width
;
7372 /* If positioning mode was undetermined yet, fix this */
7374 lastPos
= descr
->pos
;
7375 /* Handle CHARSET conversion type ... */
7377 int swapped
= 1, beg
= i
, end
, j
;
7379 descr
->arg
= &buffer
[i
];
7381 if (*fmt
== '^') buffer
[i
++] = *fmt
++;
7382 if (*fmt
== ']') buffer
[i
++] = *fmt
++;
7383 while (*fmt
&& *fmt
!= ']') buffer
[i
++] = *fmt
++;
7385 fmtObj
->error
= "unmatched [ in format string";
7390 /* In case a range fence was given "backwards", swap it */
7393 for (j
=beg
+1; j
< end
-1; ++j
) {
7394 if (buffer
[j
] == '-' && buffer
[j
-1] > buffer
[j
+1]) {
7395 char tmp
= buffer
[j
-1];
7396 buffer
[j
-1] = buffer
[j
+1];
7403 /* Remember any valid modifier if given */
7404 if (strchr("hlL", *fmt
) != 0)
7405 descr
->modifier
= tolower((int)*fmt
++);
7408 if (strchr("efgcsndoxui", *fmt
) == 0) {
7409 fmtObj
->error
= "bad scan conversion character";
7411 } else if (*fmt
== 'c' && descr
->width
!= 0) {
7412 fmtObj
->error
= "field width may not be specified in %c "
7415 } else if (*fmt
== 'u' && descr
->modifier
== 'l') {
7416 fmtObj
->error
= "unsigned wide not supported";
7423 if (fmtObj
->convCount
== 0) {
7424 fmtObj
->error
= "no any conversion specifier given";
7430 /* Some accessor macros to allow lowlevel access to fields of internal repr */
7432 #define FormatGetCnvCount(_fo_) \
7433 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->convCount
7434 #define FormatGetMaxPos(_fo_) \
7435 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->maxPos
7436 #define FormatGetError(_fo_) \
7437 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->error
7439 /* Some Bit testing/setting/cleaning routines. For now only used in handling
7440 * charsets ([a-z123]) within scanning. Later on perhaps a base for a
7441 * bitvector implementation in Jim? */
7443 static int JimTestBit(const char *bitvec
, char ch
)
7445 div_t pos
= div(ch
-1, 8);
7446 return bitvec
[pos
.quot
] & (1 << pos
.rem
);
7449 static void JimSetBit(char *bitvec
, char ch
)
7451 div_t pos
= div(ch
-1, 8);
7452 bitvec
[pos
.quot
] |= (1 << pos
.rem
);
7455 #if 0 /* currently not used */
7456 static void JimClearBit(char *bitvec
, char ch
)
7458 div_t pos
= div(ch
-1, 8);
7459 bitvec
[pos
.quot
] &= ~(1 << pos
.rem
);
7463 /* JimScanAString is used to scan an unspecified string that ends with
7464 * next WS, or a string that is specified via a charset. The charset
7465 * is currently implemented in a way to only allow for usage with
7466 * ASCII. Whenever we will switch to UNICODE, another idea has to
7469 * FIXME: Works only with ASCII */
7472 JimScanAString(Jim_Interp
*interp
, const char *sdescr
, const char *str
)
7476 char charset
[256/8+1]; /* A Charset may contain max 256 chars */
7477 char *buffer
= Jim_Alloc(strlen(str
)+1), *anchor
= buffer
;
7479 /* First init charset to nothing or all, depending if a specified
7480 * or an unspecified string has to be parsed */
7481 memset(charset
, (sdescr
? 0 : 255), sizeof(charset
));
7483 /* There was a set description given, that means we are parsing
7484 * a specified string. So we have to build a corresponding
7485 * charset reflecting the description */
7487 /* Should the set be negated at the end? */
7488 if (*sdescr
== '^') {
7492 /* Here '-' is meant literally and not to define a range */
7493 if (*sdescr
== '-') {
7494 JimSetBit(charset
, '-');
7498 if (sdescr
[1] == '-' && sdescr
[2] != 0) {
7499 /* Handle range definitions */
7501 for (i
=sdescr
[0]; i
<= sdescr
[2]; ++i
)
7502 JimSetBit(charset
, (char)i
);
7505 /* Handle verbatim character definitions */
7506 JimSetBit(charset
, *sdescr
++);
7509 /* Negate the charset if there was a NOT given */
7510 for (i
=0; notFlag
&& i
< sizeof(charset
); ++i
)
7511 charset
[i
] = ~charset
[i
];
7513 /* And after all the mess above, the real work begin ... */
7514 while (str
&& *str
) {
7515 if (!sdescr
&& isspace((int)*str
))
7516 break; /* EOS via WS if unspecified */
7517 if (JimTestBit(charset
, *str
)) *buffer
++ = *str
++;
7518 else break; /* EOS via mismatch if specified scanning */
7520 *buffer
= 0; /* Close the string properly ... */
7521 result
= Jim_NewStringObj(interp
, anchor
, -1);
7522 Jim_Free(anchor
); /* ... and free it afer usage */
7526 /* ScanOneEntry will scan one entry out of the string passed as argument.
7527 * It use the sscanf() function for this task. After extracting and
7528 * converting of the value, the count of scanned characters will be
7529 * returned of -1 in case of no conversion tool place and string was
7530 * already scanned thru */
7532 static int ScanOneEntry(Jim_Interp
*interp
, const char *str
, long pos
,
7533 ScanFmtStringObj
*fmtObj
, long index
, Jim_Obj
**valObjPtr
)
7535 # define MAX_SIZE (sizeof(jim_wide) > sizeof(double) \
7536 ? sizeof(jim_wide) \
7538 char buffer
[MAX_SIZE
];
7539 char *value
= buffer
;
7541 const ScanFmtPartDescr
*descr
= &fmtObj
->descr
[index
];
7542 size_t sLen
= strlen(&str
[pos
]), scanned
= 0;
7543 size_t anchor
= pos
;
7546 /* First pessimiticly assume, we will not scan anything :-) */
7548 if (descr
->prefix
) {
7549 /* There was a prefix given before the conversion, skip it and adjust
7550 * the string-to-be-parsed accordingly */
7551 for (i
=0; str
[pos
] && descr
->prefix
[i
]; ++i
) {
7552 /* If prefix require, skip WS */
7553 if (isspace((int)descr
->prefix
[i
]))
7554 while (str
[pos
] && isspace((int)str
[pos
])) ++pos
;
7555 else if (descr
->prefix
[i
] != str
[pos
])
7556 break; /* Prefix do not match here, leave the loop */
7558 ++pos
; /* Prefix matched so far, next round */
7561 return -1; /* All of str consumed: EOF condition */
7562 else if (descr
->prefix
[i
] != 0)
7563 return 0; /* Not whole prefix consumed, no conversion possible */
7565 /* For all but following conversion, skip leading WS */
7566 if (descr
->type
!= 'c' && descr
->type
!= '[' && descr
->type
!= 'n')
7567 while (isspace((int)str
[pos
])) ++pos
;
7568 /* Determine how much skipped/scanned so far */
7569 scanned
= pos
- anchor
;
7570 if (descr
->type
== 'n') {
7571 /* Return pseudo conversion means: how much scanned so far? */
7572 *valObjPtr
= Jim_NewIntObj(interp
, anchor
+ scanned
);
7573 } else if (str
[pos
] == 0) {
7574 /* Cannot scan anything, as str is totally consumed */
7577 /* Processing of conversions follows ... */
7578 if (descr
->width
> 0) {
7579 /* Do not try to scan as fas as possible but only the given width.
7580 * To ensure this, we copy the part that should be scanned. */
7581 size_t tLen
= descr
->width
> sLen
? sLen
: descr
->width
;
7582 tok
= Jim_StrDupLen(&str
[pos
], tLen
);
7584 /* As no width was given, simply refer to the original string */
7587 switch (descr
->type
) {
7589 *valObjPtr
= Jim_NewIntObj(interp
, *tok
);
7592 case 'd': case 'o': case 'x': case 'u': case 'i': {
7593 char *endp
; /* Position where the number finished */
7594 int base
= descr
->type
== 'o' ? 8
7595 : descr
->type
== 'x' ? 16
7596 : descr
->type
== 'i' ? 0
7600 /* Try to scan a number with the given base */
7601 if (descr
->modifier
== 'l')
7602 #ifdef HAVE_LONG_LONG
7603 *(jim_wide
*)value
= JimStrtoll(tok
, &endp
, base
);
7605 *(jim_wide
*)value
= strtol(tok
, &endp
, base
);
7608 if (descr
->type
== 'u')
7609 *(long*)value
= strtoul(tok
, &endp
, base
);
7611 *(long*)value
= strtol(tok
, &endp
, base
);
7612 /* If scanning failed, and base was undetermined, simply
7613 * put it to 10 and try once more. This should catch the
7614 * case where %i begin to parse a number prefix (e.g.
7615 * '0x' but no further digits follows. This will be
7616 * handled as a ZERO followed by a char 'x' by Tcl */
7617 if (endp
== tok
&& base
== 0) base
= 10;
7621 /* There was some number sucessfully scanned! */
7622 if (descr
->modifier
== 'l')
7623 *valObjPtr
= Jim_NewIntObj(interp
, *(jim_wide
*)value
);
7625 *valObjPtr
= Jim_NewIntObj(interp
, *(long*)value
);
7626 /* Adjust the number-of-chars scanned so far */
7627 scanned
+= endp
- tok
;
7629 /* Nothing was scanned. We have to determine if this
7630 * happened due to e.g. prefix mismatch or input str
7632 scanned
= *tok
? 0 : -1;
7636 case 's': case '[': {
7637 *valObjPtr
= JimScanAString(interp
, descr
->arg
, tok
);
7638 scanned
+= Jim_Length(*valObjPtr
);
7641 case 'e': case 'f': case 'g': {
7644 *(double*)value
= strtod(tok
, &endp
);
7646 /* There was some number sucessfully scanned! */
7647 *valObjPtr
= Jim_NewDoubleObj(interp
, *(double*)value
);
7648 /* Adjust the number-of-chars scanned so far */
7649 scanned
+= endp
- tok
;
7651 /* Nothing was scanned. We have to determine if this
7652 * happened due to e.g. prefix mismatch or input str
7654 scanned
= *tok
? 0 : -1;
7659 /* If a substring was allocated (due to pre-defined width) do not
7660 * forget to free it */
7661 if (tok
!= &str
[pos
])
7662 Jim_Free((char*)tok
);
7667 /* Jim_ScanString is the workhorse of string scanning. It will scan a given
7668 * string and returns all converted (and not ignored) values in a list back
7669 * to the caller. If an error occured, a NULL pointer will be returned */
7671 Jim_Obj
*Jim_ScanString(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
,
7672 Jim_Obj
*fmtObjPtr
, int flags
)
7676 const char *str
= Jim_GetString(strObjPtr
, 0);
7677 Jim_Obj
*resultList
= 0;
7678 Jim_Obj
**resultVec
;
7680 Jim_Obj
*emptyStr
= 0;
7681 ScanFmtStringObj
*fmtObj
;
7683 /* If format specification is not an object, convert it! */
7684 if (fmtObjPtr
->typePtr
!= &scanFmtStringObjType
)
7685 SetScanFmtFromAny(interp
, fmtObjPtr
);
7686 fmtObj
= (ScanFmtStringObj
*)fmtObjPtr
->internalRep
.ptr
;
7687 /* Check if format specification was valid */
7688 if (fmtObj
->error
!= 0) {
7689 if (flags
& JIM_ERRMSG
)
7690 Jim_SetResultString(interp
, fmtObj
->error
, -1);
7693 /* Allocate a new "shared" empty string for all unassigned conversions */
7694 emptyStr
= Jim_NewEmptyStringObj(interp
);
7695 Jim_IncrRefCount(emptyStr
);
7696 /* Create a list and fill it with empty strings up to max specified XPG3 */
7697 resultList
= Jim_NewListObj(interp
, 0, 0);
7698 if (fmtObj
->maxPos
> 0) {
7699 for (i
=0; i
< fmtObj
->maxPos
; ++i
)
7700 Jim_ListAppendElement(interp
, resultList
, emptyStr
);
7701 JimListGetElements(interp
, resultList
, &resultc
, &resultVec
);
7703 /* Now handle every partial format description */
7704 for (i
=0, pos
=0; i
< fmtObj
->count
; ++i
) {
7705 ScanFmtPartDescr
*descr
= &(fmtObj
->descr
[i
]);
7707 /* Only last type may be "literal" w/o conversion - skip it! */
7708 if (descr
->type
== 0) continue;
7709 /* As long as any conversion could be done, we will proceed */
7711 scanned
= ScanOneEntry(interp
, str
, pos
, fmtObj
, i
, &value
);
7712 /* In case our first try results in EOF, we will leave */
7713 if (scanned
== -1 && i
== 0)
7715 /* Advance next pos-to-be-scanned for the amount scanned already */
7717 /* value == 0 means no conversion took place so take empty string */
7719 value
= Jim_NewEmptyStringObj(interp
);
7720 /* If value is a non-assignable one, skip it */
7721 if (descr
->pos
== -1) {
7722 Jim_FreeNewObj(interp
, value
);
7723 } else if (descr
->pos
== 0)
7724 /* Otherwise append it to the result list if no XPG3 was given */
7725 Jim_ListAppendElement(interp
, resultList
, value
);
7726 else if (resultVec
[descr
->pos
-1] == emptyStr
) {
7727 /* But due to given XPG3, put the value into the corr. slot */
7728 Jim_DecrRefCount(interp
, resultVec
[descr
->pos
-1]);
7729 Jim_IncrRefCount(value
);
7730 resultVec
[descr
->pos
-1] = value
;
7732 /* Otherwise, the slot was already used - free obj and ERROR */
7733 Jim_FreeNewObj(interp
, value
);
7737 Jim_DecrRefCount(interp
, emptyStr
);
7740 Jim_DecrRefCount(interp
, emptyStr
);
7741 Jim_FreeNewObj(interp
, resultList
);
7742 return (Jim_Obj
*)EOF
;
7744 Jim_DecrRefCount(interp
, emptyStr
);
7745 Jim_FreeNewObj(interp
, resultList
);
7749 /* -----------------------------------------------------------------------------
7750 * Pseudo Random Number Generation
7751 * ---------------------------------------------------------------------------*/
7752 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7755 /* Initialize the sbox with the numbers from 0 to 255 */
7756 static void JimPrngInit(Jim_Interp
*interp
)
7759 unsigned int seed
[256];
7761 interp
->prngState
= Jim_Alloc(sizeof(Jim_PrngState
));
7762 for (i
= 0; i
< 256; i
++)
7763 seed
[i
] = (rand() ^ time(NULL
) ^ clock());
7764 JimPrngSeed(interp
, (unsigned char*) seed
, sizeof(int)*256);
7767 /* Generates N bytes of random data */
7768 static void JimRandomBytes(Jim_Interp
*interp
, void *dest
, unsigned int len
)
7770 Jim_PrngState
*prng
;
7771 unsigned char *destByte
= (unsigned char*) dest
;
7772 unsigned int si
, sj
, x
;
7774 /* initialization, only needed the first time */
7775 if (interp
->prngState
== NULL
)
7776 JimPrngInit(interp
);
7777 prng
= interp
->prngState
;
7778 /* generates 'len' bytes of pseudo-random numbers */
7779 for (x
= 0; x
< len
; x
++) {
7780 prng
->i
= (prng
->i
+1) & 0xff;
7781 si
= prng
->sbox
[prng
->i
];
7782 prng
->j
= (prng
->j
+ si
) & 0xff;
7783 sj
= prng
->sbox
[prng
->j
];
7784 prng
->sbox
[prng
->i
] = sj
;
7785 prng
->sbox
[prng
->j
] = si
;
7786 *destByte
++ = prng
->sbox
[(si
+sj
)&0xff];
7790 /* Re-seed the generator with user-provided bytes */
7791 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7795 unsigned char buf
[256];
7796 Jim_PrngState
*prng
;
7798 /* initialization, only needed the first time */
7799 if (interp
->prngState
== NULL
)
7800 JimPrngInit(interp
);
7801 prng
= interp
->prngState
;
7803 /* Set the sbox[i] with i */
7804 for (i
= 0; i
< 256; i
++)
7806 /* Now use the seed to perform a random permutation of the sbox */
7807 for (i
= 0; i
< seedLen
; i
++) {
7810 t
= prng
->sbox
[i
&0xFF];
7811 prng
->sbox
[i
&0xFF] = prng
->sbox
[seed
[i
]];
7812 prng
->sbox
[seed
[i
]] = t
;
7814 prng
->i
= prng
->j
= 0;
7815 /* discard the first 256 bytes of stream. */
7816 JimRandomBytes(interp
, buf
, 256);
7819 /* -----------------------------------------------------------------------------
7820 * Dynamic libraries support (WIN32 not supported)
7821 * ---------------------------------------------------------------------------*/
7826 void * dlopen(const char *path
, int mode
)
7830 return (void *)LoadLibraryA(path
);
7832 int dlclose(void *handle
)
7834 FreeLibrary((HANDLE
)handle
);
7837 void *dlsym(void *handle
, const char *symbol
)
7839 return GetProcAddress((HMODULE
)handle
, symbol
);
7841 static char win32_dlerror_string
[121];
7842 const char *dlerror(void)
7844 FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM
, NULL
, GetLastError(),
7845 LANG_NEUTRAL
, win32_dlerror_string
, 120, NULL
);
7846 return win32_dlerror_string
;
7850 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7852 Jim_Obj
*libPathObjPtr
;
7855 int (*onload
)(Jim_Interp
*interp
);
7857 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
7858 if (libPathObjPtr
== NULL
) {
7860 libPathObjPtr
= NULL
;
7862 Jim_IncrRefCount(libPathObjPtr
);
7863 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
7866 for (i
= -1; i
< prefixc
; i
++) {
7868 handle
= dlopen(pathName
, RTLD_LAZY
);
7871 char buf
[JIM_PATH_LEN
];
7874 Jim_Obj
*prefixObjPtr
;
7877 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
7878 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
7880 prefix
= Jim_GetString(prefixObjPtr
, NULL
);
7881 prefixlen
= strlen(prefix
);
7882 if (prefixlen
+strlen(pathName
)+1 >= JIM_PATH_LEN
)
7884 if (prefixlen
&& prefix
[prefixlen
-1] == '/')
7885 sprintf(buf
, "%s%s", prefix
, pathName
);
7887 sprintf(buf
, "%s/%s", prefix
, pathName
);
7888 printf("opening '%s'\n", buf
);
7889 fp
= fopen(buf
, "r");
7893 handle
= dlopen(buf
, RTLD_LAZY
);
7894 printf("got handle %p\n", handle
);
7896 if (handle
== NULL
) {
7897 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7898 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7899 "error loading extension \"", pathName
,
7900 "\": ", dlerror(), NULL
);
7905 if ((onload
= dlsym(handle
, "Jim_OnLoad")) == NULL
) {
7906 Jim_SetResultString(interp
,
7907 "No Jim_OnLoad symbol found on extension", -1);
7910 if (onload(interp
) == JIM_ERR
) {
7914 Jim_SetEmptyResult(interp
);
7915 if (libPathObjPtr
!= NULL
)
7916 Jim_DecrRefCount(interp
, libPathObjPtr
);
7920 if (libPathObjPtr
!= NULL
)
7921 Jim_DecrRefCount(interp
, libPathObjPtr
);
7924 #else /* JIM_DYNLIB */
7925 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7927 JIM_NOTUSED(interp
);
7928 JIM_NOTUSED(pathName
);
7930 Jim_SetResultString(interp
, "the Jim binary has no support for [load]", -1);
7933 #endif/* JIM_DYNLIB */
7935 /* -----------------------------------------------------------------------------
7937 * ---------------------------------------------------------------------------*/
7939 #define JIM_PKG_ANY_VERSION -1
7941 /* Convert a string of the type "1.2" into an integer.
7942 * MAJOR.MINOR is converted as MAJOR*100+MINOR, so "1.2" is converted
7943 * to the integer with value 102 */
7944 static int JimPackageVersionToInt(Jim_Interp
*interp
, const char *v
,
7945 int *intPtr
, int flags
)
7948 jim_wide major
, minor
;
7949 char *majorStr
, *minorStr
, *p
;
7952 *intPtr
= JIM_PKG_ANY_VERSION
;
7956 copy
= Jim_StrDup(v
);
7957 p
= strchr(copy
, '.');
7958 if (p
== NULL
) goto badfmt
;
7963 if (Jim_StringToWide(majorStr
, &major
, 10) != JIM_OK
||
7964 Jim_StringToWide(minorStr
, &minor
, 10) != JIM_OK
)
7966 *intPtr
= (int)(major
*100+minor
);
7972 if (flags
& JIM_ERRMSG
) {
7973 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7974 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7975 "invalid package version '", v
, "'", NULL
);
7980 #define JIM_MATCHVER_EXACT (1<<JIM_PRIV_FLAG_SHIFT)
7981 static int JimPackageMatchVersion(int needed
, int actual
, int flags
)
7983 if (needed
== JIM_PKG_ANY_VERSION
) return 1;
7984 if (flags
& JIM_MATCHVER_EXACT
) {
7985 return needed
== actual
;
7987 return needed
/100 == actual
/100 && (needed
<= actual
);
7991 int Jim_PackageProvide(Jim_Interp
*interp
, const char *name
, const char *ver
,
7995 /* Check if the version format is ok */
7996 if (JimPackageVersionToInt(interp
, ver
, &intVersion
, JIM_ERRMSG
) != JIM_OK
)
7998 /* If the package was already provided returns an error. */
7999 if (Jim_FindHashEntry(&interp
->packages
, name
) != NULL
) {
8000 if (flags
& JIM_ERRMSG
) {
8001 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8002 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8003 "package '", name
, "' was already provided", NULL
);
8007 Jim_AddHashEntry(&interp
->packages
, name
, (char*) ver
);
8014 # include <sys/types.h>
8015 # include <dirent.h>
8018 /* Posix dirent.h compatiblity layer for WIN32.
8019 * Copyright Kevlin Henney, 1997, 2003. All rights reserved.
8020 * Copyright Salvatore Sanfilippo ,2005.
8022 * Permission to use, copy, modify, and distribute this software and its
8023 * documentation for any purpose is hereby granted without fee, provided
8024 * that this copyright and permissions notice appear in all copies and
8027 * This software is supplied "as is" without express or implied warranty.
8028 * This software was modified by Salvatore Sanfilippo for the Jim Interpreter.
8035 typedef struct DIR {
8036 long handle
; /* -1 for failed rewind */
8037 struct _finddata_t info
;
8038 struct dirent result
; /* d_name null iff first time */
8039 char *name
; /* null-terminated char string */
8042 DIR *opendir(const char *name
)
8046 if(name
&& name
[0]) {
8047 size_t base_length
= strlen(name
);
8048 const char *all
= /* search pattern must end with suitable wildcard */
8049 strchr("/\\", name
[base_length
- 1]) ? "*" : "/*";
8051 if((dir
= (DIR *) Jim_Alloc(sizeof *dir
)) != 0 &&
8052 (dir
->name
= (char *) Jim_Alloc(base_length
+ strlen(all
) + 1)) != 0)
8054 strcat(strcpy(dir
->name
, name
), all
);
8056 if((dir
->handle
= (long) _findfirst(dir
->name
, &dir
->info
)) != -1)
8057 dir
->result
.d_name
= 0;
8058 else { /* rollback */
8059 Jim_Free(dir
->name
);
8063 } else { /* rollback */
8074 int closedir(DIR *dir
)
8079 if(dir
->handle
!= -1)
8080 result
= _findclose(dir
->handle
);
8081 Jim_Free(dir
->name
);
8084 if(result
== -1) /* map all errors to EBADF */
8089 struct dirent
*readdir(DIR *dir
)
8091 struct dirent
*result
= 0;
8093 if(dir
&& dir
->handle
!= -1) {
8094 if(!dir
->result
.d_name
|| _findnext(dir
->handle
, &dir
->info
) != -1) {
8095 result
= &dir
->result
;
8096 result
->d_name
= dir
->info
.name
;
8106 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8107 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8109 int bestVer
= -1, i
;
8110 int pkgNameLen
= strlen(pkgName
);
8111 char *bestPackage
= NULL
;
8114 for (i
= 0; i
< prefixc
; i
++) {
8116 char buf
[JIM_PATH_LEN
];
8119 if (prefixes
[i
] == NULL
) continue;
8120 strncpy(buf
, prefixes
[i
], JIM_PATH_LEN
);
8121 buf
[JIM_PATH_LEN
-1] = '\0';
8122 prefixLen
= strlen(buf
);
8123 if (prefixLen
&& buf
[prefixLen
-1] == '/')
8124 buf
[prefixLen
-1] = '\0';
8126 if ((dir
= opendir(buf
)) == NULL
) continue;
8127 while ((de
= readdir(dir
)) != NULL
) {
8128 char *fileName
= de
->d_name
;
8129 int fileNameLen
= strlen(fileName
);
8131 if (strncmp(fileName
, "jim-", 4) == 0 &&
8132 strncmp(fileName
+4, pkgName
, pkgNameLen
) == 0 &&
8133 *(fileName
+4+pkgNameLen
) == '-' &&
8134 fileNameLen
> 4 && /* note that this is not really useful */
8135 (strncmp(fileName
+fileNameLen
-4, ".tcl", 4) == 0 ||
8136 strncmp(fileName
+fileNameLen
-4, ".dll", 4) == 0 ||
8137 strncmp(fileName
+fileNameLen
-3, ".so", 3) == 0))
8139 char ver
[6]; /* xx.yy<nulterm> */
8140 char *p
= strrchr(fileName
, '.');
8141 int verLen
, fileVer
;
8143 verLen
= p
- (fileName
+4+pkgNameLen
+1);
8144 if (verLen
< 3 || verLen
> 5) continue;
8145 memcpy(ver
, fileName
+4+pkgNameLen
+1, verLen
);
8147 if (JimPackageVersionToInt(interp
, ver
, &fileVer
, JIM_NONE
)
8148 != JIM_OK
) continue;
8149 if (JimPackageMatchVersion(pkgVer
, fileVer
, flags
) &&
8150 (bestVer
== -1 || bestVer
< fileVer
))
8153 Jim_Free(bestPackage
);
8154 bestPackage
= Jim_Alloc(strlen(buf
)+strlen(fileName
)+2);
8155 sprintf(bestPackage
, "%s/%s", buf
, fileName
);
8164 #else /* JIM_ANSIC */
8166 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8167 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8169 JIM_NOTUSED(interp
);
8170 JIM_NOTUSED(prefixes
);
8171 JIM_NOTUSED(prefixc
);
8172 JIM_NOTUSED(pkgName
);
8173 JIM_NOTUSED(pkgVer
);
8178 #endif /* JIM_ANSIC */
8180 /* Search for a suitable package under every dir specified by jim_libpath
8181 * and load it if possible. If a suitable package was loaded with success
8182 * JIM_OK is returned, otherwise JIM_ERR is returned. */
8183 static int JimLoadPackage(Jim_Interp
*interp
, const char *name
, int ver
,
8186 Jim_Obj
*libPathObjPtr
;
8187 char **prefixes
, *best
;
8188 int prefixc
, i
, retCode
= JIM_OK
;
8190 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
8191 if (libPathObjPtr
== NULL
) {
8193 libPathObjPtr
= NULL
;
8195 Jim_IncrRefCount(libPathObjPtr
);
8196 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
8199 prefixes
= Jim_Alloc(sizeof(char*)*prefixc
);
8200 for (i
= 0; i
< prefixc
; i
++) {
8201 Jim_Obj
*prefixObjPtr
;
8202 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
8203 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
8208 prefixes
[i
] = Jim_StrDup(Jim_GetString(prefixObjPtr
, NULL
));
8210 /* Scan every directory to find the "best" package. */
8211 best
= JimFindBestPackage(interp
, prefixes
, prefixc
, name
, ver
, flags
);
8213 char *p
= strrchr(best
, '.');
8214 /* Try to load/source it */
8215 if (p
&& strcmp(p
, ".tcl") == 0) {
8216 retCode
= Jim_EvalFile(interp
, best
);
8218 retCode
= Jim_LoadLibrary(interp
, best
);
8224 for (i
= 0; i
< prefixc
; i
++)
8225 Jim_Free(prefixes
[i
]);
8228 Jim_DecrRefCount(interp
, libPathObjPtr
);
8232 const char *Jim_PackageRequire(Jim_Interp
*interp
, const char *name
,
8233 const char *ver
, int flags
)
8238 if (JimPackageVersionToInt(interp
, ver
, &requiredVer
, JIM_ERRMSG
) != JIM_OK
)
8240 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8242 /* Try to load the package. */
8243 if (JimLoadPackage(interp
, name
, requiredVer
, flags
) == JIM_OK
) {
8244 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8250 /* No way... return an error. */
8251 if (flags
& JIM_ERRMSG
) {
8252 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8253 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8254 "Can't find package '", name
, "'", NULL
);
8259 if (JimPackageVersionToInt(interp
, he
->val
, &actualVer
, JIM_ERRMSG
)
8264 /* Check if version matches. */
8265 if (JimPackageMatchVersion(requiredVer
, actualVer
, flags
) == 0) {
8266 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8267 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8268 "Package '", name
, "' already loaded, but with version ",
8276 /* -----------------------------------------------------------------------------
8278 * ---------------------------------------------------------------------------*/
8279 #define JIM_EVAL_SARGV_LEN 8 /* static arguments vector length */
8280 #define JIM_EVAL_SINTV_LEN 8 /* static interpolation vector length */
8282 static int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8283 Jim_Obj
*const *argv
);
8285 /* Handle calls to the [unknown] command */
8286 static int JimUnknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
8288 Jim_Obj
**v
, *sv
[JIM_EVAL_SARGV_LEN
];
8291 /* If the [unknown] command does not exists returns
8293 if (Jim_GetCommand(interp
, interp
->unknown
, JIM_NONE
) == NULL
)
8296 /* The object interp->unknown just contains
8297 * the "unknown" string, it is used in order to
8298 * avoid to lookup the unknown command every time
8299 * but instread to cache the result. */
8300 if (argc
+1 <= JIM_EVAL_SARGV_LEN
)
8303 v
= Jim_Alloc(sizeof(Jim_Obj
*)*(argc
+1));
8304 /* Make a copy of the arguments vector, but shifted on
8305 * the right of one position. The command name of the
8306 * command will be instead the first argument of the
8307 * [unknonw] call. */
8308 memcpy(v
+1, argv
, sizeof(Jim_Obj
*)*argc
);
8309 v
[0] = interp
->unknown
;
8311 retCode
= Jim_EvalObjVector(interp
, argc
+1, v
);
8318 /* Eval the object vector 'objv' composed of 'objc' elements.
8319 * Every element is used as single argument.
8320 * Jim_EvalObj() will call this function every time its object
8321 * argument is of "list" type, with no string representation.
8323 * This is possible because the string representation of a
8324 * list object generated by the UpdateStringOfList is made
8325 * in a way that ensures that every list element is a different
8326 * command argument. */
8327 int Jim_EvalObjVector(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
8332 /* Incr refcount of arguments. */
8333 for (i
= 0; i
< objc
; i
++)
8334 Jim_IncrRefCount(objv
[i
]);
8335 /* Command lookup */
8336 cmdPtr
= Jim_GetCommand(interp
, objv
[0], JIM_ERRMSG
);
8337 if (cmdPtr
== NULL
) {
8338 retcode
= JimUnknown(interp
, objc
, objv
);
8340 /* Call it -- Make sure result is an empty object. */
8341 Jim_SetEmptyResult(interp
);
8342 if (cmdPtr
->cmdProc
) {
8343 interp
->cmdPrivData
= cmdPtr
->privData
;
8344 retcode
= cmdPtr
->cmdProc(interp
, objc
, objv
);
8346 retcode
= JimCallProcedure(interp
, cmdPtr
, objc
, objv
);
8347 if (retcode
== JIM_ERR
) {
8348 JimAppendStackTrace(interp
,
8349 Jim_GetString(objv
[0], NULL
), "?", 1);
8353 /* Decr refcount of arguments and return the retcode */
8354 for (i
= 0; i
< objc
; i
++)
8355 Jim_DecrRefCount(interp
, objv
[i
]);
8359 /* Interpolate the given tokens into a unique Jim_Obj returned by reference
8360 * via *objPtrPtr. This function is only called by Jim_EvalObj().
8361 * The returned object has refcount = 0. */
8362 int Jim_InterpolateTokens(Jim_Interp
*interp
, ScriptToken
*token
,
8363 int tokens
, Jim_Obj
**objPtrPtr
)
8365 int totlen
= 0, i
, retcode
;
8367 Jim_Obj
*sintv
[JIM_EVAL_SINTV_LEN
];
8371 if (tokens
<= JIM_EVAL_SINTV_LEN
)
8374 intv
= Jim_Alloc(sizeof(Jim_Obj
*)*
8376 /* Compute every token forming the argument
8377 * in the intv objects vector. */
8378 for (i
= 0; i
< tokens
; i
++) {
8379 switch(token
[i
].type
) {
8382 intv
[i
] = token
[i
].objPtr
;
8385 intv
[i
] = Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
8391 case JIM_TT_DICTSUGAR
:
8392 intv
[i
] = Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8399 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8400 if (retcode
!= JIM_OK
)
8402 intv
[i
] = Jim_GetResult(interp
);
8406 "default token type reached "
8407 "in Jim_InterpolateTokens().");
8410 Jim_IncrRefCount(intv
[i
]);
8411 /* Make sure there is a valid
8412 * string rep, and add the string
8413 * length to the total legnth. */
8414 Jim_GetString(intv
[i
], NULL
);
8415 totlen
+= intv
[i
]->length
;
8417 /* Concatenate every token in an unique
8419 objPtr
= Jim_NewStringObjNoAlloc(interp
,
8421 s
= objPtr
->bytes
= Jim_Alloc(totlen
+1);
8422 objPtr
->length
= totlen
;
8423 for (i
= 0; i
< tokens
; i
++) {
8424 memcpy(s
, intv
[i
]->bytes
, intv
[i
]->length
);
8425 s
+= intv
[i
]->length
;
8426 Jim_DecrRefCount(interp
, intv
[i
]);
8428 objPtr
->bytes
[totlen
] = '\0';
8429 /* Free the intv vector if not static. */
8430 if (tokens
> JIM_EVAL_SINTV_LEN
)
8432 *objPtrPtr
= objPtr
;
8437 Jim_DecrRefCount(interp
, intv
[i
]);
8438 if (tokens
> JIM_EVAL_SINTV_LEN
)
8443 /* Helper of Jim_EvalObj() to perform argument expansion.
8444 * Basically this function append an argument to 'argv'
8445 * (and increments argc by reference accordingly), performing
8446 * expansion of the list object if 'expand' is non-zero, or
8447 * just adding objPtr to argv if 'expand' is zero. */
8448 void Jim_ExpandArgument(Jim_Interp
*interp
, Jim_Obj
***argv
,
8449 int *argcPtr
, int expand
, Jim_Obj
*objPtr
)
8452 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+1));
8453 /* refcount of objPtr not incremented because
8454 * we are actually transfering a reference from
8455 * the old 'argv' to the expanded one. */
8456 (*argv
)[*argcPtr
] = objPtr
;
8461 Jim_ListLength(interp
, objPtr
, &len
);
8462 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+len
));
8463 for (i
= 0; i
< len
; i
++) {
8464 (*argv
)[*argcPtr
] = objPtr
->internalRep
.listValue
.ele
[i
];
8465 Jim_IncrRefCount(objPtr
->internalRep
.listValue
.ele
[i
]);
8468 /* The original object reference is no longer needed,
8469 * after the expansion it is no longer present on
8470 * the argument vector, but the single elements are
8472 Jim_DecrRefCount(interp
, objPtr
);
8476 int Jim_EvalObj(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8481 int *cs
; /* command structure array */
8482 int retcode
= JIM_OK
;
8483 Jim_Obj
*sargv
[JIM_EVAL_SARGV_LEN
], **argv
= NULL
, *tmpObjPtr
;
8485 interp
->errorFlag
= 0;
8487 /* If the object is of type "list" and there is no
8488 * string representation for this object, we can call
8489 * a specialized version of Jim_EvalObj() */
8490 if (scriptObjPtr
->typePtr
== &listObjType
&&
8491 scriptObjPtr
->internalRep
.listValue
.len
&&
8492 scriptObjPtr
->bytes
== NULL
) {
8493 Jim_IncrRefCount(scriptObjPtr
);
8494 retcode
= Jim_EvalObjVector(interp
,
8495 scriptObjPtr
->internalRep
.listValue
.len
,
8496 scriptObjPtr
->internalRep
.listValue
.ele
);
8497 Jim_DecrRefCount(interp
, scriptObjPtr
);
8501 Jim_IncrRefCount(scriptObjPtr
); /* Make sure it's shared. */
8502 script
= Jim_GetScript(interp
, scriptObjPtr
);
8503 /* Now we have to make sure the internal repr will not be
8504 * freed on shimmering.
8506 * Think for example to this:
8508 * set x {llength $x; ... some more code ...}; eval $x
8510 * In order to preserve the internal rep, we increment the
8511 * inUse field of the script internal rep structure. */
8514 token
= script
->token
;
8516 cs
= script
->cmdStruct
;
8517 i
= 0; /* 'i' is the current token index. */
8519 /* Reset the interpreter result. This is useful to
8520 * return the emtpy result in the case of empty program. */
8521 Jim_SetEmptyResult(interp
);
8523 /* Execute every command sequentially, returns on
8524 * error (i.e. if a command does not return JIM_OK) */
8527 int argc
= *cs
++; /* Get the number of arguments */
8530 /* Set the expand flag if needed. */
8535 /* Allocate the arguments vector */
8536 if (argc
<= JIM_EVAL_SARGV_LEN
)
8539 argv
= Jim_Alloc(sizeof(Jim_Obj
*)*argc
);
8540 /* Populate the arguments objects. */
8541 for (j
= 0; j
< argc
; j
++) {
8544 /* tokens is negative if expansion is needed.
8545 * for this argument. */
8547 tokens
= (-tokens
)-1;
8551 /* Fast path if the token does not
8552 * need interpolation */
8553 switch(token
[i
].type
) {
8556 argv
[j
] = token
[i
].objPtr
;
8559 tmpObjPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
,
8565 argv
[j
] = tmpObjPtr
;
8567 case JIM_TT_DICTSUGAR
:
8568 tmpObjPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8573 argv
[j
] = tmpObjPtr
;
8576 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8577 if (retcode
!= JIM_OK
)
8579 argv
[j
] = Jim_GetResult(interp
);
8583 "default token type reached "
8584 "in Jim_EvalObj().");
8587 Jim_IncrRefCount(argv
[j
]);
8590 /* For interpolation we call an helper
8591 * function doing the work for us. */
8592 if ((retcode
= Jim_InterpolateTokens(interp
,
8593 token
+i
, tokens
, &tmpObjPtr
)) != JIM_OK
)
8597 argv
[j
] = tmpObjPtr
;
8598 Jim_IncrRefCount(argv
[j
]);
8602 /* Handle {expand} expansion */
8604 int *ecs
= cs
- argc
;
8606 Jim_Obj
**eargv
= NULL
;
8608 for (j
= 0; j
< argc
; j
++) {
8609 Jim_ExpandArgument( interp
, &eargv
, &eargc
,
8610 ecs
[j
] < 0, argv
[j
]);
8618 /* Nothing to do with zero args. */
8623 /* Lookup the command to call */
8624 cmd
= Jim_GetCommand(interp
, argv
[0], JIM_ERRMSG
);
8626 /* Call it -- Make sure result is an empty object. */
8627 Jim_SetEmptyResult(interp
);
8629 interp
->cmdPrivData
= cmd
->privData
;
8630 retcode
= cmd
->cmdProc(interp
, argc
, argv
);
8632 retcode
= JimCallProcedure(interp
, cmd
, argc
, argv
);
8633 if (retcode
== JIM_ERR
) {
8634 JimAppendStackTrace(interp
,
8635 Jim_GetString(argv
[0], NULL
), script
->fileName
,
8636 token
[i
-argc
*2].linenr
);
8640 /* Call [unknown] */
8641 retcode
= JimUnknown(interp
, argc
, argv
);
8642 if (retcode
== JIM_ERR
) {
8643 JimAppendStackTrace(interp
,
8644 Jim_GetString(argv
[0], NULL
), script
->fileName
,
8645 token
[i
-argc
*2].linenr
);
8648 if (retcode
!= JIM_OK
) {
8649 i
-= argc
*2; /* point to the command name. */
8652 /* Decrement the arguments count */
8653 for (j
= 0; j
< argc
; j
++) {
8654 Jim_DecrRefCount(interp
, argv
[j
]);
8657 if (argv
!= sargv
) {
8662 /* Note that we don't have to decrement inUse, because the
8663 * following code transfers our use of the reference again to
8664 * the script object. */
8665 j
= 0; /* on normal termination, the argv array is already
8666 Jim_DecrRefCount-ed. */
8668 /* Handle errors. */
8669 if (retcode
== JIM_ERR
&& !interp
->errorFlag
) {
8670 interp
->errorFlag
= 1;
8671 JimSetErrorFileName(interp
, script
->fileName
);
8672 JimSetErrorLineNumber(interp
, token
[i
].linenr
);
8673 JimResetStackTrace(interp
);
8675 Jim_FreeIntRep(interp
, scriptObjPtr
);
8676 scriptObjPtr
->typePtr
= &scriptObjType
;
8677 Jim_SetIntRepPtr(scriptObjPtr
, script
);
8678 Jim_DecrRefCount(interp
, scriptObjPtr
);
8679 for (i
= 0; i
< j
; i
++) {
8680 Jim_DecrRefCount(interp
, argv
[i
]);
8687 /* Call a procedure implemented in Tcl.
8688 * It's possible to speed-up a lot this function, currently
8689 * the callframes are not cached, but allocated and
8690 * destroied every time. What is expecially costly is
8691 * to create/destroy the local vars hash table every time.
8693 * This can be fixed just implementing callframes caching
8694 * in JimCreateCallFrame() and JimFreeCallFrame(). */
8695 int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8696 Jim_Obj
*const *argv
)
8699 Jim_CallFrame
*callFramePtr
;
8702 if (argc
< cmd
->arityMin
|| (cmd
->arityMax
!= -1 &&
8703 argc
> cmd
->arityMax
)) {
8704 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
8705 Jim_AppendStrings(interp
, objPtr
,
8706 "wrong # args: should be \"", Jim_GetString(argv
[0], NULL
),
8707 (cmd
->arityMin
> 1) ? " " : "",
8708 Jim_GetString(cmd
->argListObjPtr
, NULL
), "\"", NULL
);
8709 Jim_SetResult(interp
, objPtr
);
8712 /* Check if there are too nested calls */
8713 if (interp
->numLevels
== interp
->maxNestingDepth
) {
8714 Jim_SetResultString(interp
,
8715 "Too many nested calls. Infinite recursion?", -1);
8718 /* Create a new callframe */
8719 callFramePtr
= JimCreateCallFrame(interp
);
8720 callFramePtr
->parentCallFrame
= interp
->framePtr
;
8721 callFramePtr
->argv
= argv
;
8722 callFramePtr
->argc
= argc
;
8723 callFramePtr
->procArgsObjPtr
= cmd
->argListObjPtr
;
8724 callFramePtr
->procBodyObjPtr
= cmd
->bodyObjPtr
;
8725 callFramePtr
->staticVars
= cmd
->staticVars
;
8726 Jim_IncrRefCount(cmd
->argListObjPtr
);
8727 Jim_IncrRefCount(cmd
->bodyObjPtr
);
8728 interp
->framePtr
= callFramePtr
;
8729 interp
->numLevels
++;
8731 for (i
= 0; i
< cmd
->arityMin
-1; i
++) {
8734 Jim_ListIndex(interp
, cmd
->argListObjPtr
, i
, &objPtr
, JIM_NONE
);
8735 Jim_SetVariable(interp
, objPtr
, argv
[i
+1]);
8737 if (cmd
->arityMax
== -1) {
8738 Jim_Obj
*listObjPtr
, *objPtr
;
8740 listObjPtr
= Jim_NewListObj(interp
, argv
+cmd
->arityMin
,
8741 argc
-cmd
->arityMin
);
8742 Jim_ListIndex(interp
, cmd
->argListObjPtr
, i
, &objPtr
, JIM_NONE
);
8743 Jim_SetVariable(interp
, objPtr
, listObjPtr
);
8746 retcode
= Jim_EvalObj(interp
, cmd
->bodyObjPtr
);
8748 /* Destroy the callframe */
8749 interp
->numLevels
--;
8750 interp
->framePtr
= interp
->framePtr
->parentCallFrame
;
8751 if (callFramePtr
->vars
.size
!= JIM_HT_INITIAL_SIZE
) {
8752 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NONE
);
8754 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NOHT
);
8756 /* Handle the JIM_EVAL return code */
8757 if (retcode
== JIM_EVAL
&& interp
->evalRetcodeLevel
!= interp
->numLevels
) {
8758 int savedLevel
= interp
->evalRetcodeLevel
;
8760 interp
->evalRetcodeLevel
= interp
->numLevels
;
8761 while (retcode
== JIM_EVAL
) {
8762 Jim_Obj
*resultScriptObjPtr
= Jim_GetResult(interp
);
8763 Jim_IncrRefCount(resultScriptObjPtr
);
8764 retcode
= Jim_EvalObj(interp
, resultScriptObjPtr
);
8765 Jim_DecrRefCount(interp
, resultScriptObjPtr
);
8767 interp
->evalRetcodeLevel
= savedLevel
;
8769 /* Handle the JIM_RETURN return code */
8770 if (retcode
== JIM_RETURN
) {
8771 retcode
= interp
->returnCode
;
8772 interp
->returnCode
= JIM_OK
;
8777 int Jim_Eval_Named(Jim_Interp
*interp
, const char *script
, const char *filename
, int lineno
)
8780 Jim_Obj
*scriptObjPtr
;
8782 scriptObjPtr
= Jim_NewStringObj(interp
, script
, -1);
8783 Jim_IncrRefCount(scriptObjPtr
);
8787 JimSetSourceInfo( interp
, scriptObjPtr
, filename
, lineno
);
8790 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8791 Jim_DecrRefCount(interp
, scriptObjPtr
);
8795 int Jim_Eval(Jim_Interp
*interp
, const char *script
)
8797 return Jim_Eval_Named( interp
, script
, NULL
, 0 );
8802 /* Execute script in the scope of the global level */
8803 int Jim_EvalGlobal(Jim_Interp
*interp
, const char *script
)
8805 Jim_CallFrame
*savedFramePtr
;
8808 savedFramePtr
= interp
->framePtr
;
8809 interp
->framePtr
= interp
->topFramePtr
;
8810 retval
= Jim_Eval(interp
, script
);
8811 interp
->framePtr
= savedFramePtr
;
8815 int Jim_EvalObjBackground(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8817 Jim_CallFrame
*savedFramePtr
;
8820 savedFramePtr
= interp
->framePtr
;
8821 interp
->framePtr
= interp
->topFramePtr
;
8822 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8823 interp
->framePtr
= savedFramePtr
;
8824 /* Try to report the error (if any) via the bgerror proc */
8825 if (retval
!= JIM_OK
) {
8828 objv
[0] = Jim_NewStringObj(interp
, "bgerror", -1);
8829 objv
[1] = Jim_GetResult(interp
);
8830 Jim_IncrRefCount(objv
[0]);
8831 Jim_IncrRefCount(objv
[1]);
8832 if (Jim_EvalObjVector(interp
, 2, objv
) != JIM_OK
) {
8833 /* Report the error to stderr. */
8834 Jim_fprintf( interp
, interp
->cookie_stderr
, "Background error:" JIM_NL
);
8835 Jim_PrintErrorMessage(interp
);
8837 Jim_DecrRefCount(interp
, objv
[0]);
8838 Jim_DecrRefCount(interp
, objv
[1]);
8843 int Jim_EvalFile(Jim_Interp
*interp
, const char *filename
)
8847 int nread
, totread
, maxlen
, buflen
;
8849 Jim_Obj
*scriptObjPtr
;
8851 if ((fp
= fopen(filename
, "r")) == NULL
) {
8852 const int cwd_len
=2048;
8853 char *cwd
=malloc(cwd_len
);
8854 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8855 getcwd( cwd
, cwd_len
);
8856 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8857 "Error loading script \"", filename
, "\"",
8859 " err: ", strerror(errno
), NULL
);
8864 maxlen
= totread
= 0;
8866 if (maxlen
< totread
+buflen
+1) {
8867 maxlen
= totread
+buflen
+1;
8868 prg
= Jim_Realloc(prg
, maxlen
);
8870 /* do not use Jim_fread() - this is really a file */
8871 if ((nread
= fread(prg
+totread
, 1, buflen
, fp
)) == 0) break;
8874 prg
[totread
] = '\0';
8875 /* do not use Jim_fclose() - this is really a file */
8878 scriptObjPtr
= Jim_NewStringObjNoAlloc(interp
, prg
, totread
);
8879 JimSetSourceInfo(interp
, scriptObjPtr
, filename
, 1);
8880 Jim_IncrRefCount(scriptObjPtr
);
8881 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8882 Jim_DecrRefCount(interp
, scriptObjPtr
);
8886 /* -----------------------------------------------------------------------------
8888 * ---------------------------------------------------------------------------*/
8889 static int JimParseSubstStr(struct JimParserCtx
*pc
)
8892 pc
->tline
= pc
->linenr
;
8893 while (*pc
->p
&& *pc
->p
!= '$' && *pc
->p
!= '[') {
8897 pc
->tt
= JIM_TT_ESC
;
8901 static int JimParseSubst(struct JimParserCtx
*pc
, int flags
)
8906 pc
->tstart
= pc
->tend
= pc
->p
;
8907 pc
->tline
= pc
->linenr
;
8908 pc
->tt
= JIM_TT_EOL
;
8914 retval
= JimParseCmd(pc
);
8915 if (flags
& JIM_SUBST_NOCMD
) {
8918 pc
->tt
= (flags
& JIM_SUBST_NOESC
) ?
8919 JIM_TT_STR
: JIM_TT_ESC
;
8924 if (JimParseVar(pc
) == JIM_ERR
) {
8925 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
8926 pc
->tline
= pc
->linenr
;
8927 pc
->tt
= JIM_TT_STR
;
8929 if (flags
& JIM_SUBST_NOVAR
) {
8931 if (flags
& JIM_SUBST_NOESC
)
8932 pc
->tt
= JIM_TT_STR
;
8934 pc
->tt
= JIM_TT_ESC
;
8935 if (*pc
->tstart
== '{') {
8944 retval
= JimParseSubstStr(pc
);
8945 if (flags
& JIM_SUBST_NOESC
)
8946 pc
->tt
= JIM_TT_STR
;
8953 /* The subst object type reuses most of the data structures and functions
8954 * of the script object. Script's data structures are a bit more complex
8955 * for what is needed for [subst]itution tasks, but the reuse helps to
8956 * deal with a single data structure at the cost of some more memory
8957 * usage for substitutions. */
8958 static Jim_ObjType substObjType
= {
8960 FreeScriptInternalRep
,
8961 DupScriptInternalRep
,
8963 JIM_TYPE_REFERENCES
,
8966 /* This method takes the string representation of an object
8967 * as a Tcl string where to perform [subst]itution, and generates
8968 * the pre-parsed internal representation. */
8969 int SetSubstFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
, int flags
)
8972 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
8973 struct JimParserCtx parser
;
8974 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
8978 script
->commands
= 0;
8979 script
->token
= NULL
;
8980 script
->cmdStruct
= NULL
;
8982 script
->substFlags
= flags
;
8983 script
->fileName
= NULL
;
8985 JimParserInit(&parser
, scriptText
, scriptTextLen
, 1);
8988 int len
, type
, linenr
;
8990 JimParseSubst(&parser
, flags
);
8991 if (JimParserEof(&parser
)) break;
8992 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
8993 ScriptObjAddToken(interp
, script
, token
, len
, type
,
8996 /* Free the old internal rep and set the new one. */
8997 Jim_FreeIntRep(interp
, objPtr
);
8998 Jim_SetIntRepPtr(objPtr
, script
);
8999 objPtr
->typePtr
= &scriptObjType
;
9003 ScriptObj
*Jim_GetSubst(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
9005 struct ScriptObj
*script
= Jim_GetIntRepPtr(objPtr
);
9007 if (objPtr
->typePtr
!= &substObjType
|| script
->substFlags
!= flags
)
9008 SetSubstFromAny(interp
, objPtr
, flags
);
9009 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
9012 /* Performs commands,variables,blackslashes substitution,
9013 * storing the result object (with refcount 0) into
9015 int Jim_SubstObj(Jim_Interp
*interp
, Jim_Obj
*substObjPtr
,
9016 Jim_Obj
**resObjPtrPtr
, int flags
)
9020 int i
, len
, retcode
= JIM_OK
;
9021 Jim_Obj
*resObjPtr
, *savedResultObjPtr
;
9023 script
= Jim_GetSubst(interp
, substObjPtr
, flags
);
9024 #ifdef JIM_OPTIMIZATION
9025 /* Fast path for a very common case with array-alike syntax,
9026 * that's: $foo($bar) */
9027 if (script
->len
== 1 && script
->token
[0].type
== JIM_TT_VAR
) {
9028 Jim_Obj
*varObjPtr
= script
->token
[0].objPtr
;
9030 Jim_IncrRefCount(varObjPtr
);
9031 resObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
9032 if (resObjPtr
== NULL
) {
9033 Jim_DecrRefCount(interp
, varObjPtr
);
9036 Jim_DecrRefCount(interp
, varObjPtr
);
9037 *resObjPtrPtr
= resObjPtr
;
9042 Jim_IncrRefCount(substObjPtr
); /* Make sure it's shared. */
9043 /* In order to preserve the internal rep, we increment the
9044 * inUse field of the script internal rep structure. */
9047 token
= script
->token
;
9050 /* Save the interp old result, to set it again before
9052 savedResultObjPtr
= interp
->result
;
9053 Jim_IncrRefCount(savedResultObjPtr
);
9055 /* Perform the substitution. Starts with an empty object
9056 * and adds every token (performing the appropriate
9057 * var/command/escape substitution). */
9058 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
9059 for (i
= 0; i
< len
; i
++) {
9062 switch(token
[i
].type
) {
9065 Jim_AppendObj(interp
, resObjPtr
, token
[i
].objPtr
);
9068 objPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
9069 if (objPtr
== NULL
) goto err
;
9070 Jim_IncrRefCount(objPtr
);
9071 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
9072 Jim_DecrRefCount(interp
, objPtr
);
9074 case JIM_TT_DICTSUGAR
:
9075 objPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
9082 if (Jim_EvalObj(interp
, token
[i
].objPtr
) != JIM_OK
)
9084 Jim_AppendObj(interp
, resObjPtr
, interp
->result
);
9088 "default token type (%d) reached "
9089 "in Jim_SubstObj().", token
[i
].type
);
9094 if (retcode
== JIM_OK
)
9095 Jim_SetResult(interp
, savedResultObjPtr
);
9096 Jim_DecrRefCount(interp
, savedResultObjPtr
);
9097 /* Note that we don't have to decrement inUse, because the
9098 * following code transfers our use of the reference again to
9099 * the script object. */
9100 Jim_FreeIntRep(interp
, substObjPtr
);
9101 substObjPtr
->typePtr
= &scriptObjType
;
9102 Jim_SetIntRepPtr(substObjPtr
, script
);
9103 Jim_DecrRefCount(interp
, substObjPtr
);
9104 *resObjPtrPtr
= resObjPtr
;
9107 Jim_FreeNewObj(interp
, resObjPtr
);
9112 /* -----------------------------------------------------------------------------
9113 * API Input/Export functions
9114 * ---------------------------------------------------------------------------*/
9116 int Jim_GetApi(Jim_Interp
*interp
, const char *funcname
, void *targetPtrPtr
)
9120 he
= Jim_FindHashEntry(&interp
->stub
, funcname
);
9123 memcpy(targetPtrPtr
, &he
->val
, sizeof(void*));
9127 int Jim_RegisterApi(Jim_Interp
*interp
, const char *funcname
, void *funcptr
)
9129 return Jim_AddHashEntry(&interp
->stub
, funcname
, funcptr
);
9132 #define JIM_REGISTER_API(name) \
9133 Jim_RegisterApi(interp, "Jim_" #name, (void *)Jim_ ## name)
9135 void JimRegisterCoreApi(Jim_Interp
*interp
)
9137 interp
->getApiFuncPtr
= Jim_GetApi
;
9138 JIM_REGISTER_API(Alloc
);
9139 JIM_REGISTER_API(Free
);
9140 JIM_REGISTER_API(Eval
);
9141 JIM_REGISTER_API(Eval_Named
);
9142 JIM_REGISTER_API(EvalGlobal
);
9143 JIM_REGISTER_API(EvalFile
);
9144 JIM_REGISTER_API(EvalObj
);
9145 JIM_REGISTER_API(EvalObjBackground
);
9146 JIM_REGISTER_API(EvalObjVector
);
9147 JIM_REGISTER_API(InitHashTable
);
9148 JIM_REGISTER_API(ExpandHashTable
);
9149 JIM_REGISTER_API(AddHashEntry
);
9150 JIM_REGISTER_API(ReplaceHashEntry
);
9151 JIM_REGISTER_API(DeleteHashEntry
);
9152 JIM_REGISTER_API(FreeHashTable
);
9153 JIM_REGISTER_API(FindHashEntry
);
9154 JIM_REGISTER_API(ResizeHashTable
);
9155 JIM_REGISTER_API(GetHashTableIterator
);
9156 JIM_REGISTER_API(NextHashEntry
);
9157 JIM_REGISTER_API(NewObj
);
9158 JIM_REGISTER_API(FreeObj
);
9159 JIM_REGISTER_API(InvalidateStringRep
);
9160 JIM_REGISTER_API(InitStringRep
);
9161 JIM_REGISTER_API(DuplicateObj
);
9162 JIM_REGISTER_API(GetString
);
9163 JIM_REGISTER_API(Length
);
9164 JIM_REGISTER_API(InvalidateStringRep
);
9165 JIM_REGISTER_API(NewStringObj
);
9166 JIM_REGISTER_API(NewStringObjNoAlloc
);
9167 JIM_REGISTER_API(AppendString
);
9168 JIM_REGISTER_API(AppendString_sprintf
);
9169 JIM_REGISTER_API(AppendObj
);
9170 JIM_REGISTER_API(AppendStrings
);
9171 JIM_REGISTER_API(StringEqObj
);
9172 JIM_REGISTER_API(StringMatchObj
);
9173 JIM_REGISTER_API(StringRangeObj
);
9174 JIM_REGISTER_API(FormatString
);
9175 JIM_REGISTER_API(CompareStringImmediate
);
9176 JIM_REGISTER_API(NewReference
);
9177 JIM_REGISTER_API(GetReference
);
9178 JIM_REGISTER_API(SetFinalizer
);
9179 JIM_REGISTER_API(GetFinalizer
);
9180 JIM_REGISTER_API(CreateInterp
);
9181 JIM_REGISTER_API(FreeInterp
);
9182 JIM_REGISTER_API(GetExitCode
);
9183 JIM_REGISTER_API(SetStdin
);
9184 JIM_REGISTER_API(SetStdout
);
9185 JIM_REGISTER_API(SetStderr
);
9186 JIM_REGISTER_API(CreateCommand
);
9187 JIM_REGISTER_API(CreateProcedure
);
9188 JIM_REGISTER_API(DeleteCommand
);
9189 JIM_REGISTER_API(RenameCommand
);
9190 JIM_REGISTER_API(GetCommand
);
9191 JIM_REGISTER_API(SetVariable
);
9192 JIM_REGISTER_API(SetVariableStr
);
9193 JIM_REGISTER_API(SetGlobalVariableStr
);
9194 JIM_REGISTER_API(SetVariableStrWithStr
);
9195 JIM_REGISTER_API(SetVariableLink
);
9196 JIM_REGISTER_API(GetVariable
);
9197 JIM_REGISTER_API(GetCallFrameByLevel
);
9198 JIM_REGISTER_API(Collect
);
9199 JIM_REGISTER_API(CollectIfNeeded
);
9200 JIM_REGISTER_API(GetIndex
);
9201 JIM_REGISTER_API(NewListObj
);
9202 JIM_REGISTER_API(ListAppendElement
);
9203 JIM_REGISTER_API(ListAppendList
);
9204 JIM_REGISTER_API(ListLength
);
9205 JIM_REGISTER_API(ListIndex
);
9206 JIM_REGISTER_API(SetListIndex
);
9207 JIM_REGISTER_API(ConcatObj
);
9208 JIM_REGISTER_API(NewDictObj
);
9209 JIM_REGISTER_API(DictKey
);
9210 JIM_REGISTER_API(DictKeysVector
);
9211 JIM_REGISTER_API(GetIndex
);
9212 JIM_REGISTER_API(GetReturnCode
);
9213 JIM_REGISTER_API(EvalExpression
);
9214 JIM_REGISTER_API(GetBoolFromExpr
);
9215 JIM_REGISTER_API(GetWide
);
9216 JIM_REGISTER_API(GetLong
);
9217 JIM_REGISTER_API(SetWide
);
9218 JIM_REGISTER_API(NewIntObj
);
9219 JIM_REGISTER_API(GetDouble
);
9220 JIM_REGISTER_API(SetDouble
);
9221 JIM_REGISTER_API(NewDoubleObj
);
9222 JIM_REGISTER_API(WrongNumArgs
);
9223 JIM_REGISTER_API(SetDictKeysVector
);
9224 JIM_REGISTER_API(SubstObj
);
9225 JIM_REGISTER_API(RegisterApi
);
9226 JIM_REGISTER_API(PrintErrorMessage
);
9227 JIM_REGISTER_API(InteractivePrompt
);
9228 JIM_REGISTER_API(RegisterCoreCommands
);
9229 JIM_REGISTER_API(GetSharedString
);
9230 JIM_REGISTER_API(ReleaseSharedString
);
9231 JIM_REGISTER_API(Panic
);
9232 JIM_REGISTER_API(StrDup
);
9233 JIM_REGISTER_API(UnsetVariable
);
9234 JIM_REGISTER_API(GetVariableStr
);
9235 JIM_REGISTER_API(GetGlobalVariable
);
9236 JIM_REGISTER_API(GetGlobalVariableStr
);
9237 JIM_REGISTER_API(GetAssocData
);
9238 JIM_REGISTER_API(SetAssocData
);
9239 JIM_REGISTER_API(DeleteAssocData
);
9240 JIM_REGISTER_API(GetEnum
);
9241 JIM_REGISTER_API(ScriptIsComplete
);
9242 JIM_REGISTER_API(PackageRequire
);
9243 JIM_REGISTER_API(PackageProvide
);
9244 JIM_REGISTER_API(InitStack
);
9245 JIM_REGISTER_API(FreeStack
);
9246 JIM_REGISTER_API(StackLen
);
9247 JIM_REGISTER_API(StackPush
);
9248 JIM_REGISTER_API(StackPop
);
9249 JIM_REGISTER_API(StackPeek
);
9250 JIM_REGISTER_API(FreeStackElements
);
9251 JIM_REGISTER_API(fprintf
);
9252 JIM_REGISTER_API(vfprintf
);
9253 JIM_REGISTER_API(fwrite
);
9254 JIM_REGISTER_API(fread
);
9255 JIM_REGISTER_API(fflush
);
9256 JIM_REGISTER_API(fgets
);
9257 JIM_REGISTER_API(GetNvp
);
9258 JIM_REGISTER_API(Nvp_name2value
);
9259 JIM_REGISTER_API(Nvp_name2value_simple
);
9260 JIM_REGISTER_API(Nvp_name2value_obj
);
9261 JIM_REGISTER_API(Nvp_name2value_nocase
);
9262 JIM_REGISTER_API(Nvp_name2value_obj_nocase
);
9264 JIM_REGISTER_API(Nvp_value2name
);
9265 JIM_REGISTER_API(Nvp_value2name_simple
);
9266 JIM_REGISTER_API(Nvp_value2name_obj
);
9268 JIM_REGISTER_API(GetOpt_Setup
);
9269 JIM_REGISTER_API(GetOpt_Debug
);
9270 JIM_REGISTER_API(GetOpt_Obj
);
9271 JIM_REGISTER_API(GetOpt_String
);
9272 JIM_REGISTER_API(GetOpt_Double
);
9273 JIM_REGISTER_API(GetOpt_Wide
);
9274 JIM_REGISTER_API(GetOpt_Nvp
);
9275 JIM_REGISTER_API(GetOpt_NvpUnknown
);
9276 JIM_REGISTER_API(GetOpt_Enum
);
9278 JIM_REGISTER_API(Debug_ArgvString
);
9279 JIM_REGISTER_API(SetResult_sprintf
);
9280 JIM_REGISTER_API(SetResult_NvpUnknown
);
9284 /* -----------------------------------------------------------------------------
9285 * Core commands utility functions
9286 * ---------------------------------------------------------------------------*/
9287 void Jim_WrongNumArgs(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
,
9291 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
9293 Jim_AppendString(interp
, objPtr
, "wrong # args: should be \"", -1);
9294 for (i
= 0; i
< argc
; i
++) {
9295 Jim_AppendObj(interp
, objPtr
, argv
[i
]);
9296 if (!(i
+1 == argc
&& msg
[0] == '\0'))
9297 Jim_AppendString(interp
, objPtr
, " ", 1);
9299 Jim_AppendString(interp
, objPtr
, msg
, -1);
9300 Jim_AppendString(interp
, objPtr
, "\"", 1);
9301 Jim_SetResult(interp
, objPtr
);
9304 static Jim_Obj
*JimCommandsList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
)
9306 Jim_HashTableIterator
*htiter
;
9308 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9309 const char *pattern
;
9312 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9313 htiter
= Jim_GetHashTableIterator(&interp
->commands
);
9314 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9315 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9316 strlen((const char*)he
->key
), 0))
9318 Jim_ListAppendElement(interp
, listObjPtr
,
9319 Jim_NewStringObj(interp
, he
->key
, -1));
9321 Jim_FreeHashTableIterator(htiter
);
9325 #define JIM_VARLIST_GLOBALS 0
9326 #define JIM_VARLIST_LOCALS 1
9327 #define JIM_VARLIST_VARS 2
9329 static Jim_Obj
*JimVariablesList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
,
9332 Jim_HashTableIterator
*htiter
;
9334 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9335 const char *pattern
;
9338 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9339 if (mode
== JIM_VARLIST_GLOBALS
) {
9340 htiter
= Jim_GetHashTableIterator(&interp
->topFramePtr
->vars
);
9342 /* For [info locals], if we are at top level an emtpy list
9343 * is returned. I don't agree, but we aim at compatibility (SS) */
9344 if (mode
== JIM_VARLIST_LOCALS
&&
9345 interp
->framePtr
== interp
->topFramePtr
)
9347 htiter
= Jim_GetHashTableIterator(&interp
->framePtr
->vars
);
9349 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9350 Jim_Var
*varPtr
= (Jim_Var
*) he
->val
;
9351 if (mode
== JIM_VARLIST_LOCALS
) {
9352 if (varPtr
->linkFramePtr
!= NULL
)
9355 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9356 strlen((const char*)he
->key
), 0))
9358 Jim_ListAppendElement(interp
, listObjPtr
,
9359 Jim_NewStringObj(interp
, he
->key
, -1));
9361 Jim_FreeHashTableIterator(htiter
);
9365 static int JimInfoLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
9366 Jim_Obj
**objPtrPtr
)
9368 Jim_CallFrame
*targetCallFrame
;
9370 if (JimGetCallFrameByInteger(interp
, levelObjPtr
, &targetCallFrame
)
9373 /* No proc call at toplevel callframe */
9374 if (targetCallFrame
== interp
->topFramePtr
) {
9375 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
9376 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
9378 Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
9381 *objPtrPtr
= Jim_NewListObj(interp
,
9382 targetCallFrame
->argv
,
9383 targetCallFrame
->argc
);
9387 /* -----------------------------------------------------------------------------
9389 * ---------------------------------------------------------------------------*/
9391 /* fake [puts] -- not the real puts, just for debugging. */
9392 static int Jim_PutsCoreCommand(Jim_Interp
*interp
, int argc
,
9393 Jim_Obj
*const *argv
)
9396 int len
, nonewline
= 0;
9398 if (argc
!= 2 && argc
!= 3) {
9399 Jim_WrongNumArgs(interp
, 1, argv
, "-nonewline string");
9403 if (!Jim_CompareStringImmediate(interp
, argv
[1], "-nonewline"))
9405 Jim_SetResultString(interp
, "The second argument must "
9406 "be -nonewline", -1);
9413 str
= Jim_GetString(argv
[1], &len
);
9414 Jim_fwrite(interp
, str
, 1, len
, interp
->cookie_stdout
);
9415 if (!nonewline
) Jim_fprintf( interp
, interp
->cookie_stdout
, JIM_NL
);
9419 /* Helper for [+] and [*] */
9420 static int Jim_AddMulHelper(Jim_Interp
*interp
, int argc
,
9421 Jim_Obj
*const *argv
, int op
)
9423 jim_wide wideValue
, res
;
9424 double doubleValue
, doubleRes
;
9427 res
= (op
== JIM_EXPROP_ADD
) ? 0 : 1;
9429 for (i
= 1; i
< argc
; i
++) {
9430 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
)
9432 if (op
== JIM_EXPROP_ADD
)
9437 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9440 doubleRes
= (double) res
;
9441 for (;i
< argc
; i
++) {
9442 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9444 if (op
== JIM_EXPROP_ADD
)
9445 doubleRes
+= doubleValue
;
9447 doubleRes
*= doubleValue
;
9449 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9453 /* Helper for [-] and [/] */
9454 static int Jim_SubDivHelper(Jim_Interp
*interp
, int argc
,
9455 Jim_Obj
*const *argv
, int op
)
9457 jim_wide wideValue
, res
= 0;
9458 double doubleValue
, doubleRes
= 0;
9462 Jim_WrongNumArgs(interp
, 1, argv
, "number ?number ... number?");
9464 } else if (argc
== 2) {
9465 /* The arity = 2 case is different. For [- x] returns -x,
9466 * while [/ x] returns 1/x. */
9467 if (Jim_GetWide(interp
, argv
[1], &wideValue
) != JIM_OK
) {
9468 if (Jim_GetDouble(interp
, argv
[1], &doubleValue
) !=
9473 if (op
== JIM_EXPROP_SUB
)
9474 doubleRes
= -doubleValue
;
9476 doubleRes
= 1.0/doubleValue
;
9477 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9482 if (op
== JIM_EXPROP_SUB
) {
9484 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9486 doubleRes
= 1.0/wideValue
;
9487 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9492 if (Jim_GetWide(interp
, argv
[1], &res
) != JIM_OK
) {
9493 if (Jim_GetDouble(interp
, argv
[1], &doubleRes
)
9501 for (i
= 2; i
< argc
; i
++) {
9502 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
) {
9503 doubleRes
= (double) res
;
9506 if (op
== JIM_EXPROP_SUB
)
9511 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9514 for (;i
< argc
; i
++) {
9515 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9517 if (op
== JIM_EXPROP_SUB
)
9518 doubleRes
-= doubleValue
;
9520 doubleRes
/= doubleValue
;
9522 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9528 static int Jim_AddCoreCommand(Jim_Interp
*interp
, int argc
,
9529 Jim_Obj
*const *argv
)
9531 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_ADD
);
9535 static int Jim_MulCoreCommand(Jim_Interp
*interp
, int argc
,
9536 Jim_Obj
*const *argv
)
9538 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_MUL
);
9542 static int Jim_SubCoreCommand(Jim_Interp
*interp
, int argc
,
9543 Jim_Obj
*const *argv
)
9545 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_SUB
);
9549 static int Jim_DivCoreCommand(Jim_Interp
*interp
, int argc
,
9550 Jim_Obj
*const *argv
)
9552 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_DIV
);
9556 static int Jim_SetCoreCommand(Jim_Interp
*interp
, int argc
,
9557 Jim_Obj
*const *argv
)
9559 if (argc
!= 2 && argc
!= 3) {
9560 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?newValue?");
9565 objPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9568 Jim_SetResult(interp
, objPtr
);
9571 /* argc == 3 case. */
9572 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
9574 Jim_SetResult(interp
, argv
[2]);
9579 static int Jim_UnsetCoreCommand(Jim_Interp
*interp
, int argc
,
9580 Jim_Obj
*const *argv
)
9585 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
9588 for (i
= 1; i
< argc
; i
++) {
9589 if (Jim_UnsetVariable(interp
, argv
[i
], JIM_ERRMSG
) != JIM_OK
)
9596 static int Jim_IncrCoreCommand(Jim_Interp
*interp
, int argc
,
9597 Jim_Obj
*const *argv
)
9599 jim_wide wideValue
, increment
= 1;
9602 if (argc
!= 2 && argc
!= 3) {
9603 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?increment?");
9607 if (Jim_GetWide(interp
, argv
[2], &increment
) != JIM_OK
)
9610 intObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9611 if (!intObjPtr
) return JIM_ERR
;
9612 if (Jim_GetWide(interp
, intObjPtr
, &wideValue
) != JIM_OK
)
9614 if (Jim_IsShared(intObjPtr
)) {
9615 intObjPtr
= Jim_NewIntObj(interp
, wideValue
+increment
);
9616 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9617 Jim_FreeNewObj(interp
, intObjPtr
);
9621 Jim_SetWide(interp
, intObjPtr
, wideValue
+increment
);
9622 /* The following step is required in order to invalidate the
9623 * string repr of "FOO" if the var name is on the form of "FOO(IDX)" */
9624 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9628 Jim_SetResult(interp
, intObjPtr
);
9633 static int Jim_WhileCoreCommand(Jim_Interp
*interp
, int argc
,
9634 Jim_Obj
*const *argv
)
9637 Jim_WrongNumArgs(interp
, 1, argv
, "condition body");
9640 /* Try to run a specialized version of while if the expression
9641 * is in one of the following forms:
9643 * $a < CONST, $a < $b
9644 * $a <= CONST, $a <= $b
9645 * $a > CONST, $a > $b
9646 * $a >= CONST, $a >= $b
9647 * $a != CONST, $a != $b
9648 * $a == CONST, $a == $b
9654 #ifdef JIM_OPTIMIZATION
9657 Jim_Obj
*varAObjPtr
= NULL
, *varBObjPtr
= NULL
, *objPtr
;
9658 int exprLen
, retval
;
9660 /* STEP 1 -- Check if there are the conditions to run the specialized
9661 * version of while */
9663 if ((expr
= Jim_GetExpression(interp
, argv
[1])) == NULL
) goto noopt
;
9664 if (expr
->len
<= 0 || expr
->len
> 3) goto noopt
;
9667 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
&&
9668 expr
->opcode
[0] != JIM_EXPROP_NUMBER
)
9672 if (expr
->opcode
[1] != JIM_EXPROP_NOT
||
9673 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
)
9677 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9678 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9679 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
))
9681 switch(expr
->opcode
[2]) {
9683 case JIM_EXPROP_LTE
:
9685 case JIM_EXPROP_GTE
:
9686 case JIM_EXPROP_NUMEQ
:
9687 case JIM_EXPROP_NUMNE
:
9696 "Unexpected default reached in Jim_WhileCoreCommand()");
9700 /* STEP 2 -- conditions meet. Initialization. Take different
9701 * branches for different expression lengths. */
9702 exprLen
= expr
->len
;
9707 if (expr
->opcode
[0] == JIM_EXPROP_VARIABLE
) {
9708 varAObjPtr
= expr
->obj
[0];
9709 Jim_IncrRefCount(varAObjPtr
);
9711 if (Jim_GetWide(interp
, expr
->obj
[0], &wideValue
) != JIM_OK
)
9717 Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9718 Jim_GetWide(interp
, objPtr
, &wideValue
) != JIM_OK
)
9720 Jim_DecrRefCount(interp
, varAObjPtr
);
9724 if (!wideValue
) break;
9725 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9729 Jim_DecrRefCount(interp
, varAObjPtr
);
9737 Jim_DecrRefCount(interp
, varAObjPtr
);
9743 Jim_DecrRefCount(interp
, varAObjPtr
);
9744 } else if (exprLen
== 3) {
9745 jim_wide wideValueA
, wideValueB
, cmpRes
= 0;
9746 int cmpType
= expr
->opcode
[2];
9748 varAObjPtr
= expr
->obj
[0];
9749 Jim_IncrRefCount(varAObjPtr
);
9750 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
9751 varBObjPtr
= expr
->obj
[1];
9752 Jim_IncrRefCount(varBObjPtr
);
9754 if (Jim_GetWide(interp
, expr
->obj
[1], &wideValueB
) != JIM_OK
)
9758 if (!(objPtr
= Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9759 Jim_GetWide(interp
, objPtr
, &wideValueA
) != JIM_OK
)
9761 Jim_DecrRefCount(interp
, varAObjPtr
);
9763 Jim_DecrRefCount(interp
, varBObjPtr
);
9768 Jim_GetVariable(interp
, varBObjPtr
, JIM_NONE
)) ||
9769 Jim_GetWide(interp
, objPtr
, &wideValueB
) != JIM_OK
)
9771 Jim_DecrRefCount(interp
, varAObjPtr
);
9773 Jim_DecrRefCount(interp
, varBObjPtr
);
9779 cmpRes
= wideValueA
< wideValueB
; break;
9780 case JIM_EXPROP_LTE
:
9781 cmpRes
= wideValueA
<= wideValueB
; break;
9783 cmpRes
= wideValueA
> wideValueB
; break;
9784 case JIM_EXPROP_GTE
:
9785 cmpRes
= wideValueA
>= wideValueB
; break;
9786 case JIM_EXPROP_NUMEQ
:
9787 cmpRes
= wideValueA
== wideValueB
; break;
9788 case JIM_EXPROP_NUMNE
:
9789 cmpRes
= wideValueA
!= wideValueB
; break;
9792 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9795 Jim_DecrRefCount(interp
, varAObjPtr
);
9797 Jim_DecrRefCount(interp
, varBObjPtr
);
9804 Jim_DecrRefCount(interp
, varAObjPtr
);
9806 Jim_DecrRefCount(interp
, varBObjPtr
);
9811 Jim_DecrRefCount(interp
, varAObjPtr
);
9813 Jim_DecrRefCount(interp
, varBObjPtr
);
9815 /* TODO: case for len == 2 */
9818 Jim_SetEmptyResult(interp
);
9824 /* The general purpose implementation of while starts here */
9826 int boolean
, retval
;
9828 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[1],
9829 &boolean
)) != JIM_OK
)
9831 if (!boolean
) break;
9832 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9846 Jim_SetEmptyResult(interp
);
9851 static int Jim_ForCoreCommand(Jim_Interp
*interp
, int argc
,
9852 Jim_Obj
*const *argv
)
9857 Jim_WrongNumArgs(interp
, 1, argv
, "start test next body");
9860 /* Check if the for is on the form:
9861 * for {set i CONST} {$i < CONST} {incr i}
9862 * for {set i CONST} {$i < $j} {incr i}
9863 * for {set i CONST} {$i <= CONST} {incr i}
9864 * for {set i CONST} {$i <= $j} {incr i}
9865 * XXX: NOTE: if variable traces are implemented, this optimization
9866 * need to be modified to check for the proc epoch at every variable
9868 #ifdef JIM_OPTIMIZATION
9870 ScriptObj
*initScript
, *incrScript
;
9872 jim_wide start
, stop
, currentVal
;
9873 unsigned jim_wide procEpoch
= interp
->procEpoch
;
9874 Jim_Obj
*varNamePtr
, *stopVarNamePtr
= NULL
, *objPtr
;
9876 struct Jim_Cmd
*cmdPtr
;
9878 /* Do it only if there aren't shared arguments */
9879 if (argv
[1] == argv
[2] || argv
[2] == argv
[3] || argv
[1] == argv
[3])
9881 initScript
= Jim_GetScript(interp
, argv
[1]);
9882 expr
= Jim_GetExpression(interp
, argv
[2]);
9883 incrScript
= Jim_GetScript(interp
, argv
[3]);
9885 /* Ensure proper lengths to start */
9886 if (initScript
->len
!= 6) goto evalstart
;
9887 if (incrScript
->len
!= 4) goto evalstart
;
9888 if (expr
->len
!= 3) goto evalstart
;
9889 /* Ensure proper token types. */
9890 if (initScript
->token
[2].type
!= JIM_TT_ESC
||
9891 initScript
->token
[4].type
!= JIM_TT_ESC
||
9892 incrScript
->token
[2].type
!= JIM_TT_ESC
||
9893 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9894 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9895 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
) ||
9896 (expr
->opcode
[2] != JIM_EXPROP_LT
&&
9897 expr
->opcode
[2] != JIM_EXPROP_LTE
))
9899 cmpType
= expr
->opcode
[2];
9900 /* Initialization command must be [set] */
9901 cmdPtr
= Jim_GetCommand(interp
, initScript
->token
[0].objPtr
, JIM_NONE
);
9902 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_SetCoreCommand
)
9904 /* Update command must be incr */
9905 cmdPtr
= Jim_GetCommand(interp
, incrScript
->token
[0].objPtr
, JIM_NONE
);
9906 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_IncrCoreCommand
)
9908 /* set, incr, expression must be about the same variable */
9909 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
9910 incrScript
->token
[2].objPtr
, 0))
9912 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
9915 /* Check that the initialization and comparison are valid integers */
9916 if (Jim_GetWide(interp
, initScript
->token
[4].objPtr
, &start
) == JIM_ERR
)
9918 if (expr
->opcode
[1] == JIM_EXPROP_NUMBER
&&
9919 Jim_GetWide(interp
, expr
->obj
[1], &stop
) == JIM_ERR
)
9924 /* Initialization */
9925 varNamePtr
= expr
->obj
[0];
9926 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
9927 stopVarNamePtr
= expr
->obj
[1];
9928 Jim_IncrRefCount(stopVarNamePtr
);
9930 Jim_IncrRefCount(varNamePtr
);
9932 /* --- OPTIMIZED FOR --- */
9934 objPtr
= Jim_NewIntObj(interp
, start
);
9935 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
9936 Jim_DecrRefCount(interp
, varNamePtr
);
9937 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
9938 Jim_FreeNewObj(interp
, objPtr
);
9942 /* === Check condition === */
9944 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_NONE
);
9945 if (objPtr
== NULL
||
9946 Jim_GetWide(interp
, objPtr
, ¤tVal
) != JIM_OK
)
9948 Jim_DecrRefCount(interp
, varNamePtr
);
9949 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
9952 /* Immediate or Variable? get the 'stop' value if the latter. */
9953 if (stopVarNamePtr
) {
9954 objPtr
= Jim_GetVariable(interp
, stopVarNamePtr
, JIM_NONE
);
9955 if (objPtr
== NULL
||
9956 Jim_GetWide(interp
, objPtr
, &stop
) != JIM_OK
)
9958 Jim_DecrRefCount(interp
, varNamePtr
);
9959 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9963 if (cmpType
== JIM_EXPROP_LT
) {
9964 if (currentVal
>= stop
) break;
9966 if (currentVal
> stop
) break;
9969 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
9973 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9974 Jim_DecrRefCount(interp
, varNamePtr
);
9981 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9982 Jim_DecrRefCount(interp
, varNamePtr
);
9986 /* If there was a change in procedures/command continue
9987 * with the usual [for] command implementation */
9988 if (procEpoch
!= interp
->procEpoch
) {
9990 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9991 Jim_DecrRefCount(interp
, varNamePtr
);
9995 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
9996 if (objPtr
->refCount
== 1 && objPtr
->typePtr
== &intObjType
) {
9997 objPtr
->internalRep
.wideValue
++;
9998 Jim_InvalidateStringRep(objPtr
);
10000 Jim_Obj
*auxObjPtr
;
10002 if (Jim_GetWide(interp
, objPtr
, ¤tVal
) == JIM_ERR
) {
10003 if (stopVarNamePtr
)
10004 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10005 Jim_DecrRefCount(interp
, varNamePtr
);
10008 auxObjPtr
= Jim_NewIntObj(interp
, currentVal
+1);
10009 if (Jim_SetVariable(interp
, varNamePtr
, auxObjPtr
) == JIM_ERR
) {
10010 if (stopVarNamePtr
)
10011 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10012 Jim_DecrRefCount(interp
, varNamePtr
);
10013 Jim_FreeNewObj(interp
, auxObjPtr
);
10018 if (stopVarNamePtr
)
10019 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10020 Jim_DecrRefCount(interp
, varNamePtr
);
10021 Jim_SetEmptyResult(interp
);
10027 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
10032 /* Test the condition */
10033 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[2], &boolean
))
10036 if (!boolean
) break;
10038 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
10044 /* Nothing to do */
10052 if ((retval
= Jim_EvalObj(interp
, argv
[3])) != JIM_OK
) {
10066 Jim_SetEmptyResult(interp
);
10070 /* foreach + lmap implementation. */
10071 static int JimForeachMapHelper(Jim_Interp
*interp
, int argc
,
10072 Jim_Obj
*const *argv
, int doMap
)
10074 int result
= JIM_ERR
, i
, nbrOfLists
, *listsIdx
, *listsEnd
;
10075 int nbrOfLoops
= 0;
10076 Jim_Obj
*emptyStr
, *script
, *mapRes
= NULL
;
10078 if (argc
< 4 || argc
% 2 != 0) {
10079 Jim_WrongNumArgs(interp
, 1, argv
, "varList list ?varList list ...? script");
10083 mapRes
= Jim_NewListObj(interp
, NULL
, 0);
10084 Jim_IncrRefCount(mapRes
);
10086 emptyStr
= Jim_NewEmptyStringObj(interp
);
10087 Jim_IncrRefCount(emptyStr
);
10088 script
= argv
[argc
-1]; /* Last argument is a script */
10089 nbrOfLists
= (argc
- 1 - 1) / 2; /* argc - 'foreach' - script */
10090 listsIdx
= (int*)Jim_Alloc(nbrOfLists
* sizeof(int));
10091 listsEnd
= (int*)Jim_Alloc(nbrOfLists
*2 * sizeof(int));
10092 /* Initialize iterators and remember max nbr elements each list */
10093 memset(listsIdx
, 0, nbrOfLists
* sizeof(int));
10094 /* Remember lengths of all lists and calculate how much rounds to loop */
10095 for (i
=0; i
< nbrOfLists
*2; i
+= 2) {
10098 Jim_ListLength(interp
, argv
[i
+1], &listsEnd
[i
]);
10099 Jim_ListLength(interp
, argv
[i
+2], &listsEnd
[i
+1]);
10100 if (listsEnd
[i
] == 0) {
10101 Jim_SetResultString(interp
, "foreach varlist is empty", -1);
10104 cnt
= div(listsEnd
[i
+1], listsEnd
[i
]);
10105 count
= cnt
.quot
+ (cnt
.rem
? 1 : 0);
10106 if (count
> nbrOfLoops
)
10107 nbrOfLoops
= count
;
10109 for (; nbrOfLoops
-- > 0; ) {
10110 for (i
=0; i
< nbrOfLists
; ++i
) {
10111 int varIdx
= 0, var
= i
* 2;
10112 while (varIdx
< listsEnd
[var
]) {
10113 Jim_Obj
*varName
, *ele
;
10114 int lst
= i
* 2 + 1;
10115 if (Jim_ListIndex(interp
, argv
[var
+1], varIdx
, &varName
, JIM_ERRMSG
)
10118 if (listsIdx
[i
] < listsEnd
[lst
]) {
10119 if (Jim_ListIndex(interp
, argv
[lst
+1], listsIdx
[i
], &ele
, JIM_ERRMSG
)
10122 if (Jim_SetVariable(interp
, varName
, ele
) != JIM_OK
) {
10123 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10126 ++listsIdx
[i
]; /* Remember next iterator of current list */
10127 } else if (Jim_SetVariable(interp
, varName
, emptyStr
) != JIM_OK
) {
10128 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10131 ++varIdx
; /* Next variable */
10134 switch (result
= Jim_EvalObj(interp
, script
)) {
10137 Jim_ListAppendElement(interp
, mapRes
, interp
->result
);
10151 Jim_SetResult(interp
, mapRes
);
10153 Jim_SetEmptyResult(interp
);
10156 Jim_DecrRefCount(interp
, mapRes
);
10157 Jim_DecrRefCount(interp
, emptyStr
);
10158 Jim_Free(listsIdx
);
10159 Jim_Free(listsEnd
);
10164 static int Jim_ForeachCoreCommand(Jim_Interp
*interp
, int argc
,
10165 Jim_Obj
*const *argv
)
10167 return JimForeachMapHelper(interp
, argc
, argv
, 0);
10171 static int Jim_LmapCoreCommand(Jim_Interp
*interp
, int argc
,
10172 Jim_Obj
*const *argv
)
10174 return JimForeachMapHelper(interp
, argc
, argv
, 1);
10178 static int Jim_IfCoreCommand(Jim_Interp
*interp
, int argc
,
10179 Jim_Obj
*const *argv
)
10181 int boolean
, retval
, current
= 1, falsebody
= 0;
10184 /* Far not enough arguments given! */
10185 if (current
>= argc
) goto err
;
10186 if ((retval
= Jim_GetBoolFromExpr(interp
,
10187 argv
[current
++], &boolean
))
10190 /* There lacks something, isn't it? */
10191 if (current
>= argc
) goto err
;
10192 if (Jim_CompareStringImmediate(interp
, argv
[current
],
10193 "then")) current
++;
10194 /* Tsk tsk, no then-clause? */
10195 if (current
>= argc
) goto err
;
10197 return Jim_EvalObj(interp
, argv
[current
]);
10198 /* Ok: no else-clause follows */
10199 if (++current
>= argc
) {
10200 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10203 falsebody
= current
++;
10204 if (Jim_CompareStringImmediate(interp
, argv
[falsebody
],
10206 /* IIICKS - else-clause isn't last cmd? */
10207 if (current
!= argc
-1) goto err
;
10208 return Jim_EvalObj(interp
, argv
[current
]);
10209 } else if (Jim_CompareStringImmediate(interp
,
10210 argv
[falsebody
], "elseif"))
10211 /* Ok: elseif follows meaning all the stuff
10212 * again (how boring...) */
10214 /* OOPS - else-clause is not last cmd?*/
10215 else if (falsebody
!= argc
-1)
10217 return Jim_EvalObj(interp
, argv
[falsebody
]);
10222 Jim_WrongNumArgs(interp
, 1, argv
, "condition ?then? trueBody ?elseif ...? ?else? falseBody");
10226 enum {SWITCH_EXACT
, SWITCH_GLOB
, SWITCH_RE
, SWITCH_CMD
, SWITCH_UNKNOWN
};
10229 static int Jim_SwitchCoreCommand(Jim_Interp
*interp
, int argc
,
10230 Jim_Obj
*const *argv
)
10232 int retcode
= JIM_ERR
, matchOpt
= SWITCH_EXACT
, opt
=1, patCount
, i
;
10233 Jim_Obj
*command
= 0, *const *caseList
= 0, *strObj
;
10234 Jim_Obj
*script
= 0;
10235 if (argc
< 3) goto wrongnumargs
;
10236 for (opt
=1; opt
< argc
; ++opt
) {
10237 const char *option
= Jim_GetString(argv
[opt
], 0);
10238 if (*option
!= '-') break;
10239 else if (strncmp(option
, "--", 2) == 0) { ++opt
; break; }
10240 else if (strncmp(option
, "-exact", 2) == 0) matchOpt
= SWITCH_EXACT
;
10241 else if (strncmp(option
, "-glob", 2) == 0) matchOpt
= SWITCH_GLOB
;
10242 else if (strncmp(option
, "-regexp", 2) == 0) matchOpt
= SWITCH_RE
;
10243 else if (strncmp(option
, "-command", 2) == 0) { matchOpt
= SWITCH_CMD
;
10244 if ((argc
- opt
) < 2) goto wrongnumargs
;
10245 command
= argv
[++opt
];
10247 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10248 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10249 "bad option \"", option
, "\": must be -exact, -glob, "
10250 "-regexp, -command procname or --", 0);
10253 if ((argc
- opt
) < 2) goto wrongnumargs
;
10255 strObj
= argv
[opt
++];
10256 patCount
= argc
- opt
;
10257 if (patCount
== 1) {
10259 JimListGetElements(interp
, argv
[opt
], &patCount
, &vector
);
10262 caseList
= &argv
[opt
];
10263 if (patCount
== 0 || patCount
% 2 != 0) goto wrongnumargs
;
10264 for (i
=0; script
== 0 && i
< patCount
; i
+= 2) {
10265 Jim_Obj
*patObj
= caseList
[i
];
10266 if (!Jim_CompareStringImmediate(interp
, patObj
, "default")
10267 || i
< (patCount
-2)) {
10268 switch (matchOpt
) {
10270 if (Jim_StringEqObj(strObj
, patObj
, 0))
10271 script
= caseList
[i
+1];
10274 if (Jim_StringMatchObj(patObj
, strObj
, 0))
10275 script
= caseList
[i
+1];
10278 command
= Jim_NewStringObj(interp
, "regexp", -1);
10279 /* Fall thru intentionally */
10281 Jim_Obj
*parms
[] = {command
, patObj
, strObj
};
10282 int rc
= Jim_EvalObjVector(interp
, 3, parms
);
10284 /* After the execution of a command we need to
10285 * make sure to reconvert the object into a list
10286 * again. Only for the single-list style [switch]. */
10287 if (argc
-opt
== 1) {
10289 JimListGetElements(interp
, argv
[opt
], &patCount
,
10293 /* command is here already decref'd */
10294 if (rc
!= JIM_OK
) {
10298 rc
= Jim_GetLong(interp
, Jim_GetResult(interp
), &matching
);
10299 if (rc
!= JIM_OK
) {
10304 script
= caseList
[i
+1];
10308 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10309 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10310 "internal error: no such option implemented", 0);
10314 script
= caseList
[i
+1];
10317 for(; i
< patCount
&& Jim_CompareStringImmediate(interp
, script
, "-");
10319 script
= caseList
[i
+1];
10320 if (script
&& Jim_CompareStringImmediate(interp
, script
, "-")) {
10321 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10322 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10323 "no body specified for pattern \"",
10324 Jim_GetString(caseList
[i
-2], 0), "\"", 0);
10328 Jim_SetEmptyResult(interp
);
10330 retcode
= Jim_EvalObj(interp
, script
);
10333 Jim_WrongNumArgs(interp
, 1, argv
, "?options? string "
10334 "pattern body ... ?default body? or "
10335 "{pattern body ?pattern body ...?}");
10341 static int Jim_ListCoreCommand(Jim_Interp
*interp
, int argc
,
10342 Jim_Obj
*const *argv
)
10344 Jim_Obj
*listObjPtr
;
10346 listObjPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10347 Jim_SetResult(interp
, listObjPtr
);
10352 static int Jim_LindexCoreCommand(Jim_Interp
*interp
, int argc
,
10353 Jim_Obj
*const *argv
)
10355 Jim_Obj
*objPtr
, *listObjPtr
;
10360 Jim_WrongNumArgs(interp
, 1, argv
, "list index ?...?");
10364 Jim_IncrRefCount(objPtr
);
10365 for (i
= 2; i
< argc
; i
++) {
10366 listObjPtr
= objPtr
;
10367 if (Jim_GetIndex(interp
, argv
[i
], &index
) != JIM_OK
) {
10368 Jim_DecrRefCount(interp
, listObjPtr
);
10371 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
10372 JIM_NONE
) != JIM_OK
) {
10373 /* Returns an empty object if the index
10374 * is out of range. */
10375 Jim_DecrRefCount(interp
, listObjPtr
);
10376 Jim_SetEmptyResult(interp
);
10379 Jim_IncrRefCount(objPtr
);
10380 Jim_DecrRefCount(interp
, listObjPtr
);
10382 Jim_SetResult(interp
, objPtr
);
10383 Jim_DecrRefCount(interp
, objPtr
);
10388 static int Jim_LlengthCoreCommand(Jim_Interp
*interp
, int argc
,
10389 Jim_Obj
*const *argv
)
10394 Jim_WrongNumArgs(interp
, 1, argv
, "list");
10397 Jim_ListLength(interp
, argv
[1], &len
);
10398 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
10403 static int Jim_LappendCoreCommand(Jim_Interp
*interp
, int argc
,
10404 Jim_Obj
*const *argv
)
10406 Jim_Obj
*listObjPtr
;
10410 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10413 listObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10415 /* Create the list if it does not exists */
10416 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10417 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10418 Jim_FreeNewObj(interp
, listObjPtr
);
10422 shared
= Jim_IsShared(listObjPtr
);
10424 listObjPtr
= Jim_DuplicateObj(interp
, listObjPtr
);
10425 for (i
= 2; i
< argc
; i
++)
10426 Jim_ListAppendElement(interp
, listObjPtr
, argv
[i
]);
10427 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10429 Jim_FreeNewObj(interp
, listObjPtr
);
10432 Jim_SetResult(interp
, listObjPtr
);
10437 static int Jim_LinsertCoreCommand(Jim_Interp
*interp
, int argc
,
10438 Jim_Obj
*const *argv
)
10444 Jim_WrongNumArgs(interp
, 1, argv
, "list index element "
10449 if (Jim_IsShared(listPtr
))
10450 listPtr
= Jim_DuplicateObj(interp
, listPtr
);
10451 if (Jim_GetIndex(interp
, argv
[2], &index
) != JIM_OK
)
10453 Jim_ListLength(interp
, listPtr
, &len
);
10456 else if (index
< 0)
10457 index
= len
+ index
+ 1;
10458 Jim_ListInsertElements(interp
, listPtr
, index
, argc
-3, &argv
[3]);
10459 Jim_SetResult(interp
, listPtr
);
10462 if (listPtr
!= argv
[1]) {
10463 Jim_FreeNewObj(interp
, listPtr
);
10469 static int Jim_LsetCoreCommand(Jim_Interp
*interp
, int argc
,
10470 Jim_Obj
*const *argv
)
10473 Jim_WrongNumArgs(interp
, 1, argv
, "listVar ?index...? newVal");
10475 } else if (argc
== 3) {
10476 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
10478 Jim_SetResult(interp
, argv
[2]);
10481 if (Jim_SetListIndex(interp
, argv
[1], argv
+2, argc
-3, argv
[argc
-1])
10482 == JIM_ERR
) return JIM_ERR
;
10487 static int Jim_LsortCoreCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const argv
[])
10489 const char *options
[] = {
10490 "-ascii", "-nocase", "-increasing", "-decreasing", NULL
10492 enum {OPT_ASCII
, OPT_NOCASE
, OPT_INCREASING
, OPT_DECREASING
};
10494 int i
, lsortType
= JIM_LSORT_ASCII
; /* default sort type */
10495 int decreasing
= 0;
10498 Jim_WrongNumArgs(interp
, 1, argv
, "?options? list");
10501 for (i
= 1; i
< (argc
-1); i
++) {
10504 if (Jim_GetEnum(interp
, argv
[i
], options
, &option
, "option", JIM_ERRMSG
)
10508 case OPT_ASCII
: lsortType
= JIM_LSORT_ASCII
; break;
10509 case OPT_NOCASE
: lsortType
= JIM_LSORT_NOCASE
; break;
10510 case OPT_INCREASING
: decreasing
= 0; break;
10511 case OPT_DECREASING
: decreasing
= 1; break;
10515 switch(lsortType
) {
10516 case JIM_LSORT_ASCII
: lsortType
= JIM_LSORT_ASCII_DECR
; break;
10517 case JIM_LSORT_NOCASE
: lsortType
= JIM_LSORT_NOCASE_DECR
; break;
10520 resObj
= Jim_DuplicateObj(interp
, argv
[argc
-1]);
10521 ListSortElements(interp
, resObj
, lsortType
);
10522 Jim_SetResult(interp
, resObj
);
10527 static int Jim_AppendCoreCommand(Jim_Interp
*interp
, int argc
,
10528 Jim_Obj
*const *argv
)
10530 Jim_Obj
*stringObjPtr
;
10534 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10538 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
10539 if (!stringObjPtr
) return JIM_ERR
;
10541 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10542 if (!stringObjPtr
) {
10543 /* Create the string if it does not exists */
10544 stringObjPtr
= Jim_NewEmptyStringObj(interp
);
10545 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
)
10547 Jim_FreeNewObj(interp
, stringObjPtr
);
10552 shared
= Jim_IsShared(stringObjPtr
);
10554 stringObjPtr
= Jim_DuplicateObj(interp
, stringObjPtr
);
10555 for (i
= 2; i
< argc
; i
++)
10556 Jim_AppendObj(interp
, stringObjPtr
, argv
[i
]);
10557 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
) != JIM_OK
) {
10559 Jim_FreeNewObj(interp
, stringObjPtr
);
10562 Jim_SetResult(interp
, stringObjPtr
);
10567 static int Jim_DebugCoreCommand(Jim_Interp
*interp
, int argc
,
10568 Jim_Obj
*const *argv
)
10570 const char *options
[] = {
10571 "refcount", "objcount", "objects", "invstr", "scriptlen", "exprlen",
10576 OPT_REFCOUNT
, OPT_OBJCOUNT
, OPT_OBJECTS
, OPT_INVSTR
, OPT_SCRIPTLEN
,
10577 OPT_EXPRLEN
, OPT_EXPRBC
10582 Jim_WrongNumArgs(interp
, 1, argv
, "option ?...?");
10585 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
10586 JIM_ERRMSG
) != JIM_OK
)
10588 if (option
== OPT_REFCOUNT
) {
10590 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10593 Jim_SetResult(interp
, Jim_NewIntObj(interp
, argv
[2]->refCount
));
10595 } else if (option
== OPT_OBJCOUNT
) {
10596 int freeobj
= 0, liveobj
= 0;
10601 Jim_WrongNumArgs(interp
, 2, argv
, "");
10604 /* Count the number of free objects. */
10605 objPtr
= interp
->freeList
;
10608 objPtr
= objPtr
->nextObjPtr
;
10610 /* Count the number of live objects. */
10611 objPtr
= interp
->liveList
;
10614 objPtr
= objPtr
->nextObjPtr
;
10616 /* Set the result string and return. */
10617 sprintf(buf
, "free %d used %d", freeobj
, liveobj
);
10618 Jim_SetResultString(interp
, buf
, -1);
10620 } else if (option
== OPT_OBJECTS
) {
10621 Jim_Obj
*objPtr
, *listObjPtr
, *subListObjPtr
;
10622 /* Count the number of live objects. */
10623 objPtr
= interp
->liveList
;
10624 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10627 const char *type
= objPtr
->typePtr
?
10628 objPtr
->typePtr
->name
: "";
10629 subListObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10630 sprintf(buf
, "%p", objPtr
);
10631 Jim_ListAppendElement(interp
, subListObjPtr
,
10632 Jim_NewStringObj(interp
, buf
, -1));
10633 Jim_ListAppendElement(interp
, subListObjPtr
,
10634 Jim_NewStringObj(interp
, type
, -1));
10635 Jim_ListAppendElement(interp
, subListObjPtr
,
10636 Jim_NewIntObj(interp
, objPtr
->refCount
));
10637 Jim_ListAppendElement(interp
, subListObjPtr
, objPtr
);
10638 Jim_ListAppendElement(interp
, listObjPtr
, subListObjPtr
);
10639 objPtr
= objPtr
->nextObjPtr
;
10641 Jim_SetResult(interp
, listObjPtr
);
10643 } else if (option
== OPT_INVSTR
) {
10647 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10651 if (objPtr
->typePtr
!= NULL
)
10652 Jim_InvalidateStringRep(objPtr
);
10653 Jim_SetEmptyResult(interp
);
10655 } else if (option
== OPT_SCRIPTLEN
) {
10658 Jim_WrongNumArgs(interp
, 2, argv
, "script");
10661 script
= Jim_GetScript(interp
, argv
[2]);
10662 Jim_SetResult(interp
, Jim_NewIntObj(interp
, script
->len
));
10664 } else if (option
== OPT_EXPRLEN
) {
10665 ExprByteCode
*expr
;
10667 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10670 expr
= Jim_GetExpression(interp
, argv
[2]);
10673 Jim_SetResult(interp
, Jim_NewIntObj(interp
, expr
->len
));
10675 } else if (option
== OPT_EXPRBC
) {
10677 ExprByteCode
*expr
;
10681 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10684 expr
= Jim_GetExpression(interp
, argv
[2]);
10687 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
10688 for (i
= 0; i
< expr
->len
; i
++) {
10690 Jim_ExprOperator
*op
;
10692 switch(expr
->opcode
[i
]) {
10693 case JIM_EXPROP_NUMBER
: type
= "number"; break;
10694 case JIM_EXPROP_COMMAND
: type
= "command"; break;
10695 case JIM_EXPROP_VARIABLE
: type
= "variable"; break;
10696 case JIM_EXPROP_DICTSUGAR
: type
= "dictsugar"; break;
10697 case JIM_EXPROP_SUBST
: type
= "subst"; break;
10698 case JIM_EXPROP_STRING
: type
= "string"; break;
10700 op
= JimExprOperatorInfo(Jim_GetString(expr
->obj
[i
], NULL
));
10708 Jim_ListAppendElement(interp
, objPtr
,
10709 Jim_NewStringObj(interp
, type
, -1));
10710 Jim_ListAppendElement(interp
, objPtr
, expr
->obj
[i
]);
10712 Jim_SetResult(interp
, objPtr
);
10715 Jim_SetResultString(interp
,
10716 "bad option. Valid options are refcount, "
10717 "objcount, objects, invstr", -1);
10720 return JIM_OK
; /* unreached */
10724 static int Jim_EvalCoreCommand(Jim_Interp
*interp
, int argc
,
10725 Jim_Obj
*const *argv
)
10728 return Jim_EvalObj(interp
, argv
[1]);
10729 } else if (argc
> 2) {
10733 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10734 Jim_IncrRefCount(objPtr
);
10735 retcode
= Jim_EvalObj(interp
, objPtr
);
10736 Jim_DecrRefCount(interp
, objPtr
);
10739 Jim_WrongNumArgs(interp
, 1, argv
, "script ?...?");
10745 static int Jim_UplevelCoreCommand(Jim_Interp
*interp
, int argc
,
10746 Jim_Obj
*const *argv
)
10749 int retcode
, newLevel
, oldLevel
;
10750 Jim_CallFrame
*savedCallFrame
, *targetCallFrame
;
10754 /* Save the old callframe pointer */
10755 savedCallFrame
= interp
->framePtr
;
10757 /* Lookup the target frame pointer */
10758 str
= Jim_GetString(argv
[1], NULL
);
10759 if ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#')
10761 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
10763 &newLevel
) != JIM_OK
)
10768 if (Jim_GetCallFrameByLevel(interp
, NULL
,
10770 &newLevel
) != JIM_OK
)
10776 Jim_WrongNumArgs(interp
, 1, argv
,
10777 "?level? command ?arg ...?");
10780 /* Eval the code in the target callframe. */
10781 interp
->framePtr
= targetCallFrame
;
10782 oldLevel
= interp
->numLevels
;
10783 interp
->numLevels
= newLevel
;
10785 retcode
= Jim_EvalObj(interp
, argv
[1]);
10787 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10788 Jim_IncrRefCount(objPtr
);
10789 retcode
= Jim_EvalObj(interp
, objPtr
);
10790 Jim_DecrRefCount(interp
, objPtr
);
10792 interp
->numLevels
= oldLevel
;
10793 interp
->framePtr
= savedCallFrame
;
10796 Jim_WrongNumArgs(interp
, 1, argv
, "?level? command ?arg ...?");
10802 static int Jim_ExprCoreCommand(Jim_Interp
*interp
, int argc
,
10803 Jim_Obj
*const *argv
)
10805 Jim_Obj
*exprResultPtr
;
10809 retcode
= Jim_EvalExpression(interp
, argv
[1], &exprResultPtr
);
10810 } else if (argc
> 2) {
10813 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10814 Jim_IncrRefCount(objPtr
);
10815 retcode
= Jim_EvalExpression(interp
, objPtr
, &exprResultPtr
);
10816 Jim_DecrRefCount(interp
, objPtr
);
10818 Jim_WrongNumArgs(interp
, 1, argv
, "expression ?...?");
10821 if (retcode
!= JIM_OK
) return retcode
;
10822 Jim_SetResult(interp
, exprResultPtr
);
10823 Jim_DecrRefCount(interp
, exprResultPtr
);
10828 static int Jim_BreakCoreCommand(Jim_Interp
*interp
, int argc
,
10829 Jim_Obj
*const *argv
)
10832 Jim_WrongNumArgs(interp
, 1, argv
, "");
10839 static int Jim_ContinueCoreCommand(Jim_Interp
*interp
, int argc
,
10840 Jim_Obj
*const *argv
)
10843 Jim_WrongNumArgs(interp
, 1, argv
, "");
10846 return JIM_CONTINUE
;
10850 static int Jim_ReturnCoreCommand(Jim_Interp
*interp
, int argc
,
10851 Jim_Obj
*const *argv
)
10855 } else if (argc
== 2) {
10856 Jim_SetResult(interp
, argv
[1]);
10857 interp
->returnCode
= JIM_OK
;
10859 } else if (argc
== 3 || argc
== 4) {
10861 if (Jim_GetReturnCode(interp
, argv
[2], &returnCode
) == JIM_ERR
)
10863 interp
->returnCode
= returnCode
;
10865 Jim_SetResult(interp
, argv
[3]);
10868 Jim_WrongNumArgs(interp
, 1, argv
, "?-code code? ?result?");
10871 return JIM_RETURN
; /* unreached */
10875 static int Jim_TailcallCoreCommand(Jim_Interp
*interp
, int argc
,
10876 Jim_Obj
*const *argv
)
10880 objPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10881 Jim_SetResult(interp
, objPtr
);
10886 static int Jim_ProcCoreCommand(Jim_Interp
*interp
, int argc
,
10887 Jim_Obj
*const *argv
)
10890 int arityMin
, arityMax
;
10892 if (argc
!= 4 && argc
!= 5) {
10893 Jim_WrongNumArgs(interp
, 1, argv
, "name arglist ?statics? body");
10896 Jim_ListLength(interp
, argv
[2], &argListLen
);
10897 arityMin
= arityMax
= argListLen
+1;
10901 Jim_Obj
*lastArgPtr
;
10903 Jim_ListIndex(interp
, argv
[2], argListLen
-1, &lastArgPtr
, JIM_NONE
);
10904 str
= Jim_GetString(lastArgPtr
, &len
);
10905 if (len
== 4 && memcmp(str
, "args", 4) == 0) {
10911 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
10912 argv
[2], NULL
, argv
[3], arityMin
, arityMax
);
10914 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
10915 argv
[2], argv
[3], argv
[4], arityMin
, arityMax
);
10920 static int Jim_ConcatCoreCommand(Jim_Interp
*interp
, int argc
,
10921 Jim_Obj
*const *argv
)
10923 Jim_SetResult(interp
, Jim_ConcatObj(interp
, argc
-1, argv
+1));
10928 static int Jim_UpvarCoreCommand(Jim_Interp
*interp
, int argc
,
10929 Jim_Obj
*const *argv
)
10933 Jim_CallFrame
*targetCallFrame
;
10935 /* Lookup the target frame pointer */
10936 str
= Jim_GetString(argv
[1], NULL
);
10938 ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#'))
10940 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
10941 &targetCallFrame
, NULL
) != JIM_OK
)
10946 if (Jim_GetCallFrameByLevel(interp
, NULL
,
10947 &targetCallFrame
, NULL
) != JIM_OK
)
10950 /* Check for arity */
10951 if (argc
< 3 || ((argc
-1)%2) != 0) {
10952 Jim_WrongNumArgs(interp
, 1, argv
, "?level? otherVar localVar ?otherVar localVar ...?");
10955 /* Now... for every other/local couple: */
10956 for (i
= 1; i
< argc
; i
+= 2) {
10957 if (Jim_SetVariableLink(interp
, argv
[i
+1], argv
[i
],
10958 targetCallFrame
) != JIM_OK
) return JIM_ERR
;
10964 static int Jim_GlobalCoreCommand(Jim_Interp
*interp
, int argc
,
10965 Jim_Obj
*const *argv
)
10970 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
10973 /* Link every var to the toplevel having the same name */
10974 if (interp
->numLevels
== 0) return JIM_OK
; /* global at toplevel... */
10975 for (i
= 1; i
< argc
; i
++) {
10976 if (Jim_SetVariableLink(interp
, argv
[i
], argv
[i
],
10977 interp
->topFramePtr
) != JIM_OK
) return JIM_ERR
;
10982 /* does the [string map] operation. On error NULL is returned,
10983 * otherwise a new string object with the result, having refcount = 0,
10985 static Jim_Obj
*JimStringMap(Jim_Interp
*interp
, Jim_Obj
*mapListObjPtr
,
10986 Jim_Obj
*objPtr
, int nocase
)
10989 const char **key
, *str
, *noMatchStart
= NULL
;
10991 int *keyLen
, strLen
, i
;
10992 Jim_Obj
*resultObjPtr
;
10994 Jim_ListLength(interp
, mapListObjPtr
, &numMaps
);
10996 Jim_SetResultString(interp
,
10997 "list must contain an even number of elements", -1);
11000 /* Initialization */
11002 key
= Jim_Alloc(sizeof(char*)*numMaps
);
11003 keyLen
= Jim_Alloc(sizeof(int)*numMaps
);
11004 value
= Jim_Alloc(sizeof(Jim_Obj
*)*numMaps
);
11005 resultObjPtr
= Jim_NewStringObj(interp
, "", 0);
11006 for (i
= 0; i
< numMaps
; i
++) {
11007 Jim_Obj
*eleObjPtr
;
11009 Jim_ListIndex(interp
, mapListObjPtr
, i
*2, &eleObjPtr
, JIM_NONE
);
11010 key
[i
] = Jim_GetString(eleObjPtr
, &keyLen
[i
]);
11011 Jim_ListIndex(interp
, mapListObjPtr
, i
*2+1, &eleObjPtr
, JIM_NONE
);
11012 value
[i
] = eleObjPtr
;
11014 str
= Jim_GetString(objPtr
, &strLen
);
11017 for (i
= 0; i
< numMaps
; i
++) {
11018 if (strLen
>= keyLen
[i
] && keyLen
[i
]) {
11019 if (!JimStringCompare(str
, keyLen
[i
], key
[i
], keyLen
[i
],
11022 if (noMatchStart
) {
11023 Jim_AppendString(interp
, resultObjPtr
,
11024 noMatchStart
, str
-noMatchStart
);
11025 noMatchStart
= NULL
;
11027 Jim_AppendObj(interp
, resultObjPtr
, value
[i
]);
11029 strLen
-= keyLen
[i
];
11034 if (i
== numMaps
) { /* no match */
11035 if (noMatchStart
== NULL
)
11036 noMatchStart
= str
;
11041 if (noMatchStart
) {
11042 Jim_AppendString(interp
, resultObjPtr
,
11043 noMatchStart
, str
-noMatchStart
);
11045 Jim_Free((void*)key
);
11048 return resultObjPtr
;
11052 static int Jim_StringCoreCommand(Jim_Interp
*interp
, int argc
,
11053 Jim_Obj
*const *argv
)
11056 const char *options
[] = {
11057 "length", "compare", "match", "equal", "range", "map", "repeat",
11058 "index", "first", "tolower", "toupper", NULL
11061 OPT_LENGTH
, OPT_COMPARE
, OPT_MATCH
, OPT_EQUAL
, OPT_RANGE
,
11062 OPT_MAP
, OPT_REPEAT
, OPT_INDEX
, OPT_FIRST
, OPT_TOLOWER
, OPT_TOUPPER
11066 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11069 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11070 JIM_ERRMSG
) != JIM_OK
)
11073 if (option
== OPT_LENGTH
) {
11077 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11080 Jim_GetString(argv
[2], &len
);
11081 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
11083 } else if (option
== OPT_COMPARE
) {
11085 if ((argc
!= 4 && argc
!= 5) ||
11086 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11087 argv
[2], "-nocase") == 0)) {
11088 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11095 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11096 Jim_StringCompareObj(argv
[2],
11097 argv
[3], nocase
)));
11099 } else if (option
== OPT_MATCH
) {
11101 if ((argc
!= 4 && argc
!= 5) ||
11102 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11103 argv
[2], "-nocase") == 0)) {
11104 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? pattern "
11112 Jim_SetResult(interp
,
11113 Jim_NewIntObj(interp
, Jim_StringMatchObj(argv
[2],
11114 argv
[3], nocase
)));
11116 } else if (option
== OPT_EQUAL
) {
11118 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11121 Jim_SetResult(interp
,
11122 Jim_NewIntObj(interp
, Jim_StringEqObj(argv
[2],
11125 } else if (option
== OPT_RANGE
) {
11129 Jim_WrongNumArgs(interp
, 2, argv
, "string first last");
11132 objPtr
= Jim_StringRangeObj(interp
, argv
[2], argv
[3], argv
[4]);
11133 if (objPtr
== NULL
)
11135 Jim_SetResult(interp
, objPtr
);
11137 } else if (option
== OPT_MAP
) {
11141 if ((argc
!= 4 && argc
!= 5) ||
11142 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11143 argv
[2], "-nocase") == 0)) {
11144 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? mapList "
11152 objPtr
= JimStringMap(interp
, argv
[2], argv
[3], nocase
);
11153 if (objPtr
== NULL
)
11155 Jim_SetResult(interp
, objPtr
);
11157 } else if (option
== OPT_REPEAT
) {
11162 Jim_WrongNumArgs(interp
, 2, argv
, "string count");
11165 if (Jim_GetWide(interp
, argv
[3], &count
) != JIM_OK
)
11167 objPtr
= Jim_NewStringObj(interp
, "", 0);
11169 Jim_AppendObj(interp
, objPtr
, argv
[2]);
11171 Jim_SetResult(interp
, objPtr
);
11173 } else if (option
== OPT_INDEX
) {
11178 Jim_WrongNumArgs(interp
, 2, argv
, "string index");
11181 if (Jim_GetIndex(interp
, argv
[3], &index
) != JIM_OK
)
11183 str
= Jim_GetString(argv
[2], &len
);
11184 if (index
!= INT_MIN
&& index
!= INT_MAX
)
11185 index
= JimRelToAbsIndex(len
, index
);
11186 if (index
< 0 || index
>= len
) {
11187 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11190 Jim_SetResult(interp
, Jim_NewStringObj(interp
, str
+index
, 1));
11193 } else if (option
== OPT_FIRST
) {
11194 int index
= 0, l1
, l2
;
11195 const char *s1
, *s2
;
11197 if (argc
!= 4 && argc
!= 5) {
11198 Jim_WrongNumArgs(interp
, 2, argv
, "subString string ?startIndex?");
11201 s1
= Jim_GetString(argv
[2], &l1
);
11202 s2
= Jim_GetString(argv
[3], &l2
);
11204 if (Jim_GetIndex(interp
, argv
[4], &index
) != JIM_OK
)
11206 index
= JimRelToAbsIndex(l2
, index
);
11208 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11209 JimStringFirst(s1
, l1
, s2
, l2
, index
)));
11211 } else if (option
== OPT_TOLOWER
) {
11213 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11216 Jim_SetResult(interp
, JimStringToLower(interp
, argv
[2]));
11217 } else if (option
== OPT_TOUPPER
) {
11219 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11222 Jim_SetResult(interp
, JimStringToUpper(interp
, argv
[2]));
11228 static int Jim_TimeCoreCommand(Jim_Interp
*interp
, int argc
,
11229 Jim_Obj
*const *argv
)
11232 jim_wide start
, elapsed
;
11234 const char *fmt
= "%" JIM_WIDE_MODIFIER
" microseconds per iteration";
11237 Jim_WrongNumArgs(interp
, 1, argv
, "script ?count?");
11241 if (Jim_GetLong(interp
, argv
[2], &count
) != JIM_OK
)
11247 start
= JimClock();
11251 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
11254 elapsed
= JimClock() - start
;
11255 sprintf(buf
, fmt
, elapsed
/count
);
11256 Jim_SetResultString(interp
, buf
, -1);
11261 static int Jim_ExitCoreCommand(Jim_Interp
*interp
, int argc
,
11262 Jim_Obj
*const *argv
)
11267 Jim_WrongNumArgs(interp
, 1, argv
, "?exitCode?");
11271 if (Jim_GetLong(interp
, argv
[1], &exitCode
) != JIM_OK
)
11274 interp
->exitCode
= exitCode
;
11279 static int Jim_CatchCoreCommand(Jim_Interp
*interp
, int argc
,
11280 Jim_Obj
*const *argv
)
11284 if (argc
!= 2 && argc
!= 3) {
11285 Jim_WrongNumArgs(interp
, 1, argv
, "script ?varName?");
11288 exitCode
= Jim_EvalObj(interp
, argv
[1]);
11290 if (Jim_SetVariable(interp
, argv
[2], Jim_GetResult(interp
))
11294 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exitCode
));
11299 static int Jim_RefCoreCommand(Jim_Interp
*interp
, int argc
,
11300 Jim_Obj
*const *argv
)
11302 if (argc
!= 3 && argc
!= 4) {
11303 Jim_WrongNumArgs(interp
, 1, argv
, "string tag ?finalizer?");
11307 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2], NULL
));
11309 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2],
11316 static int Jim_GetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11317 Jim_Obj
*const *argv
)
11319 Jim_Reference
*refPtr
;
11322 Jim_WrongNumArgs(interp
, 1, argv
, "reference");
11325 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11327 Jim_SetResult(interp
, refPtr
->objPtr
);
11332 static int Jim_SetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11333 Jim_Obj
*const *argv
)
11335 Jim_Reference
*refPtr
;
11338 Jim_WrongNumArgs(interp
, 1, argv
, "reference newValue");
11341 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11343 Jim_IncrRefCount(argv
[2]);
11344 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
11345 refPtr
->objPtr
= argv
[2];
11346 Jim_SetResult(interp
, argv
[2]);
11351 static int Jim_CollectCoreCommand(Jim_Interp
*interp
, int argc
,
11352 Jim_Obj
*const *argv
)
11355 Jim_WrongNumArgs(interp
, 1, argv
, "");
11358 Jim_SetResult(interp
, Jim_NewIntObj(interp
, Jim_Collect(interp
)));
11362 /* [finalize] reference ?newValue? */
11363 static int Jim_FinalizeCoreCommand(Jim_Interp
*interp
, int argc
,
11364 Jim_Obj
*const *argv
)
11366 if (argc
!= 2 && argc
!= 3) {
11367 Jim_WrongNumArgs(interp
, 1, argv
, "reference ?finalizerProc?");
11371 Jim_Obj
*cmdNamePtr
;
11373 if (Jim_GetFinalizer(interp
, argv
[1], &cmdNamePtr
) != JIM_OK
)
11375 if (cmdNamePtr
!= NULL
) /* otherwise the null string is returned. */
11376 Jim_SetResult(interp
, cmdNamePtr
);
11378 if (Jim_SetFinalizer(interp
, argv
[1], argv
[2]) != JIM_OK
)
11380 Jim_SetResult(interp
, argv
[2]);
11386 /* [info references] (list of all the references/finalizers) */
11389 static int Jim_RenameCoreCommand(Jim_Interp
*interp
, int argc
,
11390 Jim_Obj
*const *argv
)
11392 const char *oldName
, *newName
;
11395 Jim_WrongNumArgs(interp
, 1, argv
, "oldName newName");
11398 oldName
= Jim_GetString(argv
[1], NULL
);
11399 newName
= Jim_GetString(argv
[2], NULL
);
11400 if (Jim_RenameCommand(interp
, oldName
, newName
) != JIM_OK
) {
11401 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11402 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11403 "can't rename \"", oldName
, "\": ",
11404 "command doesn't exist", NULL
);
11411 static int Jim_DictCoreCommand(Jim_Interp
*interp
, int argc
,
11412 Jim_Obj
*const *argv
)
11415 const char *options
[] = {
11416 "create", "get", "set", "unset", "exists", NULL
11419 OPT_CREATE
, OPT_GET
, OPT_SET
, OPT_UNSET
, OPT_EXIST
11423 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11427 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11428 JIM_ERRMSG
) != JIM_OK
)
11431 if (option
== OPT_CREATE
) {
11435 Jim_WrongNumArgs(interp
, 2, argv
, "?key value ...?");
11438 objPtr
= Jim_NewDictObj(interp
, argv
+2, argc
-2);
11439 Jim_SetResult(interp
, objPtr
);
11441 } else if (option
== OPT_GET
) {
11444 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11445 JIM_ERRMSG
) != JIM_OK
)
11447 Jim_SetResult(interp
, objPtr
);
11449 } else if (option
== OPT_SET
) {
11451 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...? value");
11454 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-4,
11456 } else if (option
== OPT_UNSET
) {
11458 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...?");
11461 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-3,
11463 } else if (option
== OPT_EXIST
) {
11467 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11468 JIM_ERRMSG
) == JIM_OK
)
11472 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
));
11475 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11476 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11477 "bad option \"", Jim_GetString(argv
[1], NULL
), "\":",
11478 " must be create, get, set", NULL
);
11485 static int Jim_LoadCoreCommand(Jim_Interp
*interp
, int argc
,
11486 Jim_Obj
*const *argv
)
11489 Jim_WrongNumArgs(interp
, 1, argv
, "libaryFile");
11492 return Jim_LoadLibrary(interp
, Jim_GetString(argv
[1], NULL
));
11496 static int Jim_SubstCoreCommand(Jim_Interp
*interp
, int argc
,
11497 Jim_Obj
*const *argv
)
11503 Jim_WrongNumArgs(interp
, 1, argv
,
11504 "?-nobackslashes? ?-nocommands? ?-novariables? string");
11509 if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11511 flags
|= JIM_SUBST_NOESC
;
11512 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11514 flags
|= JIM_SUBST_NOVAR
;
11515 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11517 flags
|= JIM_SUBST_NOCMD
;
11519 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11520 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11521 "bad option \"", Jim_GetString(argv
[i
+1], NULL
),
11522 "\": must be -nobackslashes, -nocommands, or "
11523 "-novariables", NULL
);
11527 if (Jim_SubstObj(interp
, argv
[argc
-1], &objPtr
, flags
) != JIM_OK
)
11529 Jim_SetResult(interp
, objPtr
);
11534 static int Jim_InfoCoreCommand(Jim_Interp
*interp
, int argc
,
11535 Jim_Obj
*const *argv
)
11537 int cmd
, result
= JIM_OK
;
11538 static const char *commands
[] = {
11539 "body", "commands", "exists", "globals", "level", "locals",
11540 "vars", "version", "complete", "args", NULL
11542 enum {INFO_BODY
, INFO_COMMANDS
, INFO_EXISTS
, INFO_GLOBALS
, INFO_LEVEL
,
11543 INFO_LOCALS
, INFO_VARS
, INFO_VERSION
, INFO_COMPLETE
, INFO_ARGS
};
11546 Jim_WrongNumArgs(interp
, 1, argv
, "command ?args ...?");
11549 if (Jim_GetEnum(interp
, argv
[1], commands
, &cmd
, "command", JIM_ERRMSG
)
11554 if (cmd
== INFO_COMMANDS
) {
11555 if (argc
!= 2 && argc
!= 3) {
11556 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11560 Jim_SetResult(interp
,JimCommandsList(interp
, argv
[2]));
11562 Jim_SetResult(interp
, JimCommandsList(interp
, NULL
));
11563 } else if (cmd
== INFO_EXISTS
) {
11566 Jim_WrongNumArgs(interp
, 2, argv
, "varName");
11569 exists
= Jim_GetVariable(interp
, argv
[2], 0);
11570 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
!= 0));
11571 } else if (cmd
== INFO_GLOBALS
|| cmd
== INFO_LOCALS
|| cmd
== INFO_VARS
) {
11574 case INFO_GLOBALS
: mode
= JIM_VARLIST_GLOBALS
; break;
11575 case INFO_LOCALS
: mode
= JIM_VARLIST_LOCALS
; break;
11576 case INFO_VARS
: mode
= JIM_VARLIST_VARS
; break;
11577 default: mode
= 0; /* avoid warning */; break;
11579 if (argc
!= 2 && argc
!= 3) {
11580 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11584 Jim_SetResult(interp
,JimVariablesList(interp
, argv
[2], mode
));
11586 Jim_SetResult(interp
, JimVariablesList(interp
, NULL
, mode
));
11587 } else if (cmd
== INFO_LEVEL
) {
11591 Jim_SetResult(interp
,
11592 Jim_NewIntObj(interp
, interp
->numLevels
));
11595 if (JimInfoLevel(interp
, argv
[2], &objPtr
) != JIM_OK
)
11597 Jim_SetResult(interp
, objPtr
);
11600 Jim_WrongNumArgs(interp
, 2, argv
, "?levelNum?");
11603 } else if (cmd
== INFO_BODY
|| cmd
== INFO_ARGS
) {
11607 Jim_WrongNumArgs(interp
, 2, argv
, "procname");
11610 if ((cmdPtr
= Jim_GetCommand(interp
, argv
[2], JIM_ERRMSG
)) == NULL
)
11612 if (cmdPtr
->cmdProc
!= NULL
) {
11613 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11614 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11615 "command \"", Jim_GetString(argv
[2], NULL
),
11616 "\" is not a procedure", NULL
);
11619 if (cmd
== INFO_BODY
)
11620 Jim_SetResult(interp
, cmdPtr
->bodyObjPtr
);
11622 Jim_SetResult(interp
, cmdPtr
->argListObjPtr
);
11623 } else if (cmd
== INFO_VERSION
) {
11624 char buf
[(JIM_INTEGER_SPACE
* 2) + 1];
11625 sprintf(buf
, "%d.%d",
11626 JIM_VERSION
/ 100, JIM_VERSION
% 100);
11627 Jim_SetResultString(interp
, buf
, -1);
11628 } else if (cmd
== INFO_COMPLETE
) {
11633 Jim_WrongNumArgs(interp
, 2, argv
, "script");
11636 s
= Jim_GetString(argv
[2], &len
);
11637 Jim_SetResult(interp
,
11638 Jim_NewIntObj(interp
, Jim_ScriptIsComplete(s
, len
, NULL
)));
11644 static int Jim_SplitCoreCommand(Jim_Interp
*interp
, int argc
,
11645 Jim_Obj
*const *argv
)
11647 const char *str
, *splitChars
, *noMatchStart
;
11648 int splitLen
, strLen
, i
;
11649 Jim_Obj
*resObjPtr
;
11651 if (argc
!= 2 && argc
!= 3) {
11652 Jim_WrongNumArgs(interp
, 1, argv
, "string ?splitChars?");
11657 splitChars
= " \n\t\r";
11660 splitChars
= Jim_GetString(argv
[2], &splitLen
);
11662 str
= Jim_GetString(argv
[1], &strLen
);
11663 if (!strLen
) return JIM_OK
;
11664 noMatchStart
= str
;
11665 resObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11669 for (i
= 0; i
< splitLen
; i
++) {
11670 if (*str
== splitChars
[i
]) {
11673 objPtr
= Jim_NewStringObj(interp
, noMatchStart
,
11674 (str
-noMatchStart
));
11675 Jim_ListAppendElement(interp
, resObjPtr
, objPtr
);
11676 noMatchStart
= str
+1;
11683 Jim_ListAppendElement(interp
, resObjPtr
,
11684 Jim_NewStringObj(interp
, noMatchStart
, (str
-noMatchStart
)));
11686 /* This handles the special case of splitchars eq {}. This
11687 * is trivial but we want to perform object sharing as Tcl does. */
11688 Jim_Obj
*objCache
[256];
11689 const unsigned char *u
= (unsigned char*) str
;
11690 memset(objCache
, 0, sizeof(objCache
));
11691 for (i
= 0; i
< strLen
; i
++) {
11694 if (objCache
[c
] == NULL
)
11695 objCache
[c
] = Jim_NewStringObj(interp
, (char*)u
+i
, 1);
11696 Jim_ListAppendElement(interp
, resObjPtr
, objCache
[c
]);
11699 Jim_SetResult(interp
, resObjPtr
);
11704 static int Jim_JoinCoreCommand(Jim_Interp
*interp
, int argc
,
11705 Jim_Obj
*const *argv
)
11707 const char *joinStr
;
11708 int joinStrLen
, i
, listLen
;
11709 Jim_Obj
*resObjPtr
;
11711 if (argc
!= 2 && argc
!= 3) {
11712 Jim_WrongNumArgs(interp
, 1, argv
, "list ?joinString?");
11720 joinStr
= Jim_GetString(argv
[2], &joinStrLen
);
11722 Jim_ListLength(interp
, argv
[1], &listLen
);
11723 resObjPtr
= Jim_NewStringObj(interp
, NULL
, 0);
11725 for (i
= 0; i
< listLen
; i
++) {
11728 Jim_ListIndex(interp
, argv
[1], i
, &objPtr
, JIM_NONE
);
11729 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
11730 if (i
+1 != listLen
) {
11731 Jim_AppendString(interp
, resObjPtr
, joinStr
, joinStrLen
);
11734 Jim_SetResult(interp
, resObjPtr
);
11739 static int Jim_FormatCoreCommand(Jim_Interp
*interp
, int argc
,
11740 Jim_Obj
*const *argv
)
11745 Jim_WrongNumArgs(interp
, 1, argv
, "formatString ?arg arg ...?");
11748 objPtr
= Jim_FormatString(interp
, argv
[1], argc
-2, argv
+2);
11749 if (objPtr
== NULL
)
11751 Jim_SetResult(interp
, objPtr
);
11756 static int Jim_ScanCoreCommand(Jim_Interp
*interp
, int argc
,
11757 Jim_Obj
*const *argv
)
11759 Jim_Obj
*listPtr
, **outVec
;
11760 int outc
, i
, count
= 0;
11763 Jim_WrongNumArgs(interp
, 1, argv
, "string formatString ?varName ...?");
11766 if (argv
[2]->typePtr
!= &scanFmtStringObjType
)
11767 SetScanFmtFromAny(interp
, argv
[2]);
11768 if (FormatGetError(argv
[2]) != 0) {
11769 Jim_SetResultString(interp
, FormatGetError(argv
[2]), -1);
11773 int maxPos
= FormatGetMaxPos(argv
[2]);
11774 int count
= FormatGetCnvCount(argv
[2]);
11775 if (maxPos
> argc
-3) {
11776 Jim_SetResultString(interp
, "\"%n$\" argument index out of range", -1);
11778 } else if (count
!= 0 && count
< argc
-3) {
11779 Jim_SetResultString(interp
, "variable is not assigned by any "
11780 "conversion specifiers", -1);
11782 } else if (count
> argc
-3) {
11783 Jim_SetResultString(interp
, "different numbers of variable names and "
11784 "field specifiers", -1);
11788 listPtr
= Jim_ScanString(interp
, argv
[1], argv
[2], JIM_ERRMSG
);
11793 if (listPtr
!= 0 && listPtr
!= (Jim_Obj
*)EOF
)
11794 Jim_ListLength(interp
, listPtr
, &len
);
11795 if (listPtr
== (Jim_Obj
*)EOF
|| len
== 0) { // XXX
11796 Jim_SetResult(interp
, Jim_NewIntObj(interp
, -1));
11799 JimListGetElements(interp
, listPtr
, &outc
, &outVec
);
11800 for (i
= 0; i
< outc
; ++i
) {
11801 if (Jim_Length(outVec
[i
]) > 0) {
11803 if (Jim_SetVariable(interp
, argv
[3+i
], outVec
[i
]) != JIM_OK
)
11807 Jim_FreeNewObj(interp
, listPtr
);
11808 Jim_SetResult(interp
, Jim_NewIntObj(interp
, count
));
11810 if (listPtr
== (Jim_Obj
*)EOF
) {
11811 Jim_SetResult(interp
, Jim_NewListObj(interp
, 0, 0));
11814 Jim_SetResult(interp
, listPtr
);
11818 Jim_FreeNewObj(interp
, listPtr
);
11823 static int Jim_ErrorCoreCommand(Jim_Interp
*interp
, int argc
,
11824 Jim_Obj
*const *argv
)
11827 Jim_WrongNumArgs(interp
, 1, argv
, "message");
11830 Jim_SetResult(interp
, argv
[1]);
11835 static int Jim_LrangeCoreCommand(Jim_Interp
*interp
, int argc
,
11836 Jim_Obj
*const *argv
)
11841 Jim_WrongNumArgs(interp
, 1, argv
, "list first last");
11844 if ((objPtr
= Jim_ListRange(interp
, argv
[1], argv
[2], argv
[3])) == NULL
)
11846 Jim_SetResult(interp
, objPtr
);
11851 static int Jim_EnvCoreCommand(Jim_Interp
*interp
, int argc
,
11852 Jim_Obj
*const *argv
)
11858 Jim_WrongNumArgs(interp
, 1, argv
, "varName");
11861 key
= Jim_GetString(argv
[1], NULL
);
11864 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11865 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11866 "environment variable \"",
11867 key
, "\" does not exist", NULL
);
11870 Jim_SetResult(interp
, Jim_NewStringObj(interp
, val
, -1));
11875 static int Jim_SourceCoreCommand(Jim_Interp
*interp
, int argc
,
11876 Jim_Obj
*const *argv
)
11881 Jim_WrongNumArgs(interp
, 1, argv
, "fileName");
11884 retval
= Jim_EvalFile(interp
, Jim_GetString(argv
[1], NULL
));
11885 if (retval
== JIM_RETURN
)
11891 static int Jim_LreverseCoreCommand(Jim_Interp
*interp
, int argc
,
11892 Jim_Obj
*const *argv
)
11894 Jim_Obj
*revObjPtr
, **ele
;
11898 Jim_WrongNumArgs(interp
, 1, argv
, "list");
11901 JimListGetElements(interp
, argv
[1], &len
, &ele
);
11903 revObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11905 ListAppendElement(revObjPtr
, ele
[len
--]);
11906 Jim_SetResult(interp
, revObjPtr
);
11910 static int JimRangeLen(jim_wide start
, jim_wide end
, jim_wide step
)
11914 if (step
== 0) return -1;
11915 if (start
== end
) return 0;
11916 else if (step
> 0 && start
> end
) return -1;
11917 else if (step
< 0 && end
> start
) return -1;
11919 if (len
< 0) len
= -len
; /* abs(len) */
11920 if (step
< 0) step
= -step
; /* abs(step) */
11921 len
= 1 + ((len
-1)/step
);
11922 /* We can truncate safely to INT_MAX, the range command
11923 * will always return an error for a such long range
11924 * because Tcl lists can't be so long. */
11925 if (len
> INT_MAX
) len
= INT_MAX
;
11926 return (int)((len
< 0) ? -1 : len
);
11930 static int Jim_RangeCoreCommand(Jim_Interp
*interp
, int argc
,
11931 Jim_Obj
*const *argv
)
11933 jim_wide start
= 0, end
, step
= 1;
11937 if (argc
< 2 || argc
> 4) {
11938 Jim_WrongNumArgs(interp
, 1, argv
, "?start? end ?step?");
11942 if (Jim_GetWide(interp
, argv
[1], &end
) != JIM_OK
)
11945 if (Jim_GetWide(interp
, argv
[1], &start
) != JIM_OK
||
11946 Jim_GetWide(interp
, argv
[2], &end
) != JIM_OK
)
11948 if (argc
== 4 && Jim_GetWide(interp
, argv
[3], &step
) != JIM_OK
)
11951 if ((len
= JimRangeLen(start
, end
, step
)) == -1) {
11952 Jim_SetResultString(interp
, "Invalid (infinite?) range specified", -1);
11955 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
11956 for (i
= 0; i
< len
; i
++)
11957 ListAppendElement(objPtr
, Jim_NewIntObj(interp
, start
+i
*step
));
11958 Jim_SetResult(interp
, objPtr
);
11963 static int Jim_RandCoreCommand(Jim_Interp
*interp
, int argc
,
11964 Jim_Obj
*const *argv
)
11966 jim_wide min
= 0, max
, len
, maxMul
;
11968 if (argc
< 1 || argc
> 3) {
11969 Jim_WrongNumArgs(interp
, 1, argv
, "?min? max");
11973 max
= JIM_WIDE_MAX
;
11974 } else if (argc
== 2) {
11975 if (Jim_GetWide(interp
, argv
[1], &max
) != JIM_OK
)
11977 } else if (argc
== 3) {
11978 if (Jim_GetWide(interp
, argv
[1], &min
) != JIM_OK
||
11979 Jim_GetWide(interp
, argv
[2], &max
) != JIM_OK
)
11984 Jim_SetResultString(interp
, "Invalid arguments (max < min)", -1);
11987 maxMul
= JIM_WIDE_MAX
- (len
? (JIM_WIDE_MAX
%len
) : 0);
11991 JimRandomBytes(interp
, &r
, sizeof(jim_wide
));
11992 if (r
< 0 || r
>= maxMul
) continue;
11993 r
= (len
== 0) ? 0 : r
%len
;
11994 Jim_SetResult(interp
, Jim_NewIntObj(interp
, min
+r
));
12000 static int Jim_PackageCoreCommand(Jim_Interp
*interp
, int argc
,
12001 Jim_Obj
*const *argv
)
12004 const char *options
[] = {
12005 "require", "provide", NULL
12007 enum {OPT_REQUIRE
, OPT_PROVIDE
};
12010 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
12013 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
12014 JIM_ERRMSG
) != JIM_OK
)
12017 if (option
== OPT_REQUIRE
) {
12021 if (Jim_CompareStringImmediate(interp
, argv
[2], "-exact")) {
12026 if (argc
!= 3 && argc
!= 4) {
12027 Jim_WrongNumArgs(interp
, 2, argv
, "?-exact? package ?version?");
12030 ver
= Jim_PackageRequire(interp
, Jim_GetString(argv
[2], NULL
),
12031 argc
== 4 ? Jim_GetString(argv
[3], NULL
) : "",
12035 Jim_SetResultString(interp
, ver
, -1);
12036 } else if (option
== OPT_PROVIDE
) {
12038 Jim_WrongNumArgs(interp
, 2, argv
, "package version");
12041 return Jim_PackageProvide(interp
, Jim_GetString(argv
[2], NULL
),
12042 Jim_GetString(argv
[3], NULL
), JIM_ERRMSG
);
12049 jim_get_s_us( jim_wide
*s
, jim_wide
*us
)
12053 * Sorry - I do not have, or use Win32.
12054 * This concept is from
12057 * http://www.openasthra.com/c-tidbits/gettimeofday-function-for-windows/
12059 * I have no method to test/verify.
12060 * - Duane 6-sep-2008.
12061 * (once verified, please somebody remove this comment)
12063 #if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
12064 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
12066 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
12070 unsigned __int64 tmpres
;
12072 GetSystemTimeAsFileTime( &ft
);
12074 tmpres
|= ft
.dwHighDateTime
;
12076 tmpres
|= ft
.dwLowDateTime
;
12077 /* convert to unix representation */
12079 tmpres
-= DELTA_EPOC_IN_MICROSECS
;
12081 *s
= (tmpres
/ 1000000ULL);
12082 *us
= (tmpres
% 1000000ULL);
12084 #undef DELTA_EPOCH_IN_MICROSECS
12089 struct timezone tz
;
12090 gettimeofday( &tv
, &tz
);
12098 static int Jim_ClockCoreCommand( Jim_Interp
*interp
, int argc
,
12099 Jim_Obj
*const *argv
)
12102 * See: TCL man page for 'clock'
12103 * we do not impliment all features.
12107 const char *options
[] = {
12114 enum { OPT_CLICKS
, OPT_USEC
, OPT_MSEC
, OPT_SEC
};
12117 Jim_WrongNumArgs( interp
, 1, argv
, "option ?arguments ...?");
12121 if( Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
12122 JIM_ERRMSG
) != JIM_OK
){
12126 // platform independent get time.
12127 jim_get_s_us( &s
, &us
);
12133 /* clicks & usecs are the same */
12134 r
= (s
* 1000000) + us
;
12137 r
= (s
* 1000) + (us
/ 1000);
12144 Jim_SetResult( interp
, Jim_NewWideObj( interp
, r
) );
12151 Jim_CmdProc cmdProc
;
12152 } Jim_CoreCommandsTable
[] = {
12153 {"set", Jim_SetCoreCommand
},
12154 {"unset", Jim_UnsetCoreCommand
},
12155 {"puts", Jim_PutsCoreCommand
},
12156 {"+", Jim_AddCoreCommand
},
12157 {"*", Jim_MulCoreCommand
},
12158 {"-", Jim_SubCoreCommand
},
12159 {"/", Jim_DivCoreCommand
},
12160 {"incr", Jim_IncrCoreCommand
},
12161 {"while", Jim_WhileCoreCommand
},
12162 {"for", Jim_ForCoreCommand
},
12163 {"foreach", Jim_ForeachCoreCommand
},
12164 {"lmap", Jim_LmapCoreCommand
},
12165 {"if", Jim_IfCoreCommand
},
12166 {"switch", Jim_SwitchCoreCommand
},
12167 {"list", Jim_ListCoreCommand
},
12168 {"lindex", Jim_LindexCoreCommand
},
12169 {"lset", Jim_LsetCoreCommand
},
12170 {"llength", Jim_LlengthCoreCommand
},
12171 {"lappend", Jim_LappendCoreCommand
},
12172 {"linsert", Jim_LinsertCoreCommand
},
12173 {"lsort", Jim_LsortCoreCommand
},
12174 {"append", Jim_AppendCoreCommand
},
12175 {"debug", Jim_DebugCoreCommand
},
12176 {"eval", Jim_EvalCoreCommand
},
12177 {"uplevel", Jim_UplevelCoreCommand
},
12178 {"expr", Jim_ExprCoreCommand
},
12179 {"break", Jim_BreakCoreCommand
},
12180 {"continue", Jim_ContinueCoreCommand
},
12181 {"proc", Jim_ProcCoreCommand
},
12182 {"concat", Jim_ConcatCoreCommand
},
12183 {"return", Jim_ReturnCoreCommand
},
12184 {"upvar", Jim_UpvarCoreCommand
},
12185 {"global", Jim_GlobalCoreCommand
},
12186 {"string", Jim_StringCoreCommand
},
12187 {"time", Jim_TimeCoreCommand
},
12188 {"exit", Jim_ExitCoreCommand
},
12189 {"catch", Jim_CatchCoreCommand
},
12190 {"ref", Jim_RefCoreCommand
},
12191 {"getref", Jim_GetrefCoreCommand
},
12192 {"setref", Jim_SetrefCoreCommand
},
12193 {"finalize", Jim_FinalizeCoreCommand
},
12194 {"collect", Jim_CollectCoreCommand
},
12195 {"rename", Jim_RenameCoreCommand
},
12196 {"dict", Jim_DictCoreCommand
},
12197 {"load", Jim_LoadCoreCommand
},
12198 {"subst", Jim_SubstCoreCommand
},
12199 {"info", Jim_InfoCoreCommand
},
12200 {"split", Jim_SplitCoreCommand
},
12201 {"join", Jim_JoinCoreCommand
},
12202 {"format", Jim_FormatCoreCommand
},
12203 {"scan", Jim_ScanCoreCommand
},
12204 {"error", Jim_ErrorCoreCommand
},
12205 {"lrange", Jim_LrangeCoreCommand
},
12206 {"env", Jim_EnvCoreCommand
},
12207 {"source", Jim_SourceCoreCommand
},
12208 {"lreverse", Jim_LreverseCoreCommand
},
12209 {"range", Jim_RangeCoreCommand
},
12210 {"rand", Jim_RandCoreCommand
},
12211 {"package", Jim_PackageCoreCommand
},
12212 {"tailcall", Jim_TailcallCoreCommand
},
12213 {"clock", Jim_ClockCoreCommand
},
12217 /* Some Jim core command is actually a procedure written in Jim itself. */
12218 static void Jim_RegisterCoreProcedures(Jim_Interp
*interp
)
12220 Jim_Eval(interp
, (char*)
12221 "proc lambda {arglist args} {\n"
12222 " set name [ref {} function lambdaFinalizer]\n"
12223 " uplevel 1 [list proc $name $arglist {expand}$args]\n"
12226 "proc lambdaFinalizer {name val} {\n"
12227 " rename $name {}\n"
12232 void Jim_RegisterCoreCommands(Jim_Interp
*interp
)
12236 while(Jim_CoreCommandsTable
[i
].name
!= NULL
) {
12237 Jim_CreateCommand(interp
,
12238 Jim_CoreCommandsTable
[i
].name
,
12239 Jim_CoreCommandsTable
[i
].cmdProc
,
12243 Jim_RegisterCoreProcedures(interp
);
12246 /* -----------------------------------------------------------------------------
12247 * Interactive prompt
12248 * ---------------------------------------------------------------------------*/
12249 void Jim_PrintErrorMessage(Jim_Interp
*interp
)
12253 Jim_fprintf(interp
, interp
->cookie_stderr
, "Runtime error, file \"%s\", line %d:" JIM_NL
,
12254 interp
->errorFileName
, interp
->errorLine
);
12255 Jim_fprintf(interp
,interp
->cookie_stderr
, " %s" JIM_NL
,
12256 Jim_GetString(interp
->result
, NULL
));
12257 Jim_ListLength(interp
, interp
->stackTrace
, &len
);
12258 for (i
= len
-3; i
>= 0; i
-= 3) {
12260 const char *proc
, *file
, *line
;
12262 Jim_ListIndex(interp
, interp
->stackTrace
, i
, &objPtr
, JIM_NONE
);
12263 proc
= Jim_GetString(objPtr
, NULL
);
12264 Jim_ListIndex(interp
, interp
->stackTrace
, i
+1, &objPtr
,
12266 file
= Jim_GetString(objPtr
, NULL
);
12267 Jim_ListIndex(interp
, interp
->stackTrace
, i
+2, &objPtr
,
12269 line
= Jim_GetString(objPtr
, NULL
);
12270 Jim_fprintf( interp
, interp
->cookie_stderr
,
12271 "In procedure '%s' called at file \"%s\", line %s" JIM_NL
,
12276 int Jim_InteractivePrompt(Jim_Interp
*interp
)
12278 int retcode
= JIM_OK
;
12279 Jim_Obj
*scriptObjPtr
;
12281 Jim_fprintf(interp
,interp
->cookie_stdout
, "Welcome to Jim version %d.%d, "
12282 "Copyright (c) 2005-8 Salvatore Sanfilippo" JIM_NL
,
12283 JIM_VERSION
/ 100, JIM_VERSION
% 100);
12284 Jim_SetVariableStrWithStr(interp
, "jim_interactive", "1");
12287 const char *result
;
12288 const char *retcodestr
[] = {
12289 "ok", "error", "return", "break", "continue", "eval", "exit"
12293 if (retcode
!= 0) {
12294 if (retcode
>= 2 && retcode
<= 6)
12295 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%s] . ", retcodestr
[retcode
]);
12297 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%d] . ", retcode
);
12299 Jim_fprintf( interp
, interp
->cookie_stdout
, ". ");
12300 Jim_fflush( interp
, interp
->cookie_stdout
);
12301 scriptObjPtr
= Jim_NewStringObj(interp
, "", 0);
12302 Jim_IncrRefCount(scriptObjPtr
);
12308 if ( Jim_fgets(interp
, buf
, 1024, interp
->cookie_stdin
) == NULL
) {
12309 Jim_DecrRefCount(interp
, scriptObjPtr
);
12312 Jim_AppendString(interp
, scriptObjPtr
, buf
, -1);
12313 str
= Jim_GetString(scriptObjPtr
, &len
);
12314 if (Jim_ScriptIsComplete(str
, len
, &state
))
12316 Jim_fprintf( interp
, interp
->cookie_stdout
, "%c> ", state
);
12317 Jim_fflush( interp
, interp
->cookie_stdout
);
12319 retcode
= Jim_EvalObj(interp
, scriptObjPtr
);
12320 Jim_DecrRefCount(interp
, scriptObjPtr
);
12321 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
12322 if (retcode
== JIM_ERR
) {
12323 Jim_PrintErrorMessage(interp
);
12324 } else if (retcode
== JIM_EXIT
) {
12325 exit(Jim_GetExitCode(interp
));
12328 Jim_fwrite( interp
, result
, 1, reslen
, interp
->cookie_stdout
);
12329 Jim_fprintf( interp
,interp
->cookie_stdout
, JIM_NL
);
12337 /* -----------------------------------------------------------------------------
12338 * Jim's idea of STDIO..
12339 * ---------------------------------------------------------------------------*/
12341 int Jim_fprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, ... )
12347 r
= Jim_vfprintf( interp
, cookie
, fmt
,ap
);
12352 int Jim_vfprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, va_list ap
)
12354 if( (interp
== NULL
) || (interp
->cb_vfprintf
== NULL
) ){
12358 return (*(interp
->cb_vfprintf
))( cookie
, fmt
, ap
);
12361 size_t Jim_fwrite( Jim_Interp
*interp
, const void *ptr
, size_t size
, size_t n
, void *cookie
)
12363 if( (interp
== NULL
) || (interp
->cb_fwrite
== NULL
) ){
12367 return (*(interp
->cb_fwrite
))( ptr
, size
, n
, cookie
);
12370 size_t Jim_fread( Jim_Interp
*interp
, void *ptr
, size_t size
, size_t n
, void *cookie
)
12372 if( (interp
== NULL
) || (interp
->cb_fread
== NULL
) ){
12376 return (*(interp
->cb_fread
))( ptr
, size
, n
, cookie
);
12379 int Jim_fflush( Jim_Interp
*interp
, void *cookie
)
12381 if( (interp
== NULL
) || (interp
->cb_fflush
== NULL
) ){
12382 /* pretend all is well */
12385 return (*(interp
->cb_fflush
))( cookie
);
12388 char* Jim_fgets( Jim_Interp
*interp
, char *s
, int size
, void *cookie
)
12390 if( (interp
== NULL
) || (interp
->cb_fgets
== NULL
) ){
12394 return (*(interp
->cb_fgets
))( s
, size
, cookie
);
12398 Jim_Nvp_name2value_simple( const Jim_Nvp
*p
, const char *name
)
12401 if( 0 == strcmp( name
, p
->name
) ){
12406 return ((Jim_Nvp
*)(p
));
12410 Jim_Nvp_name2value_nocase_simple( const Jim_Nvp
*p
, const char *name
)
12413 if( 0 == strcasecmp( name
, p
->name
) ){
12418 return ((Jim_Nvp
*)(p
));
12422 Jim_Nvp_name2value_obj( Jim_Interp
*interp
,
12427 return Jim_Nvp_name2value( interp
, p
, Jim_GetString( o
, NULL
), result
);
12432 Jim_Nvp_name2value( Jim_Interp
*interp
,
12439 p
= Jim_Nvp_name2value_simple( _p
, name
);
12443 *result
= (Jim_Nvp
*)(p
);
12455 Jim_Nvp_name2value_obj_nocase( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**puthere
)
12457 return Jim_Nvp_name2value_nocase( interp
, p
, Jim_GetString( o
, NULL
), puthere
);
12461 Jim_Nvp_name2value_nocase( Jim_Interp
*interp
, const Jim_Nvp
*_p
, const char *name
, Jim_Nvp
**puthere
)
12465 p
= Jim_Nvp_name2value_nocase_simple( _p
, name
);
12468 *puthere
= (Jim_Nvp
*)(p
);
12480 Jim_Nvp_value2name_obj( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**result
)
12485 e
= Jim_GetWide( interp
, o
, &w
);
12490 return Jim_Nvp_value2name( interp
, p
, w
, result
);
12494 Jim_Nvp_value2name_simple( const Jim_Nvp
*p
, int value
)
12497 if( value
== p
->value
){
12502 return ((Jim_Nvp
*)(p
));
12507 Jim_Nvp_value2name( Jim_Interp
*interp
, const Jim_Nvp
*_p
, int value
, Jim_Nvp
**result
)
12511 p
= Jim_Nvp_value2name_simple( _p
, value
);
12514 *result
= (Jim_Nvp
*)(p
);
12526 Jim_GetOpt_Setup( Jim_GetOptInfo
*p
, Jim_Interp
*interp
, int argc
, Jim_Obj
* const * argv
)
12528 memset( p
, 0, sizeof(*p
) );
12529 p
->interp
= interp
;
12537 Jim_GetOpt_Debug( Jim_GetOptInfo
*p
)
12541 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "---args---\n");
12542 for( x
= 0 ; x
< p
->argc
; x
++ ){
12543 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
,
12546 Jim_GetString( p
->argv
[x
], NULL
) );
12548 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "-------\n");
12553 Jim_GetOpt_Obj( Jim_GetOptInfo
*goi
, Jim_Obj
**puthere
)
12557 o
= NULL
; // failure
12558 if( goi
->argc
> 0 ){
12575 Jim_GetOpt_String( Jim_GetOptInfo
*goi
, char **puthere
, int *len
)
12582 r
= Jim_GetOpt_Obj( goi
, &o
);
12584 cp
= Jim_GetString( o
, len
);
12587 *puthere
= (char *)(cp
);
12594 Jim_GetOpt_Double( Jim_GetOptInfo
*goi
, double *puthere
)
12600 if( puthere
== NULL
){
12604 r
= Jim_GetOpt_Obj( goi
, &o
);
12606 r
= Jim_GetDouble( goi
->interp
, o
, puthere
);
12608 Jim_SetResult_sprintf( goi
->interp
,
12609 "not a number: %s",
12610 Jim_GetString( o
, NULL
) );
12617 Jim_GetOpt_Wide( Jim_GetOptInfo
*goi
, jim_wide
*puthere
)
12623 if( puthere
== NULL
){
12627 r
= Jim_GetOpt_Obj( goi
, &o
);
12629 r
= Jim_GetWide( goi
->interp
, o
, puthere
);
12634 int Jim_GetOpt_Nvp( Jim_GetOptInfo
*goi
,
12635 const Jim_Nvp
*nvp
,
12642 if( puthere
== NULL
){
12646 e
= Jim_GetOpt_Obj( goi
, &o
);
12648 e
= Jim_Nvp_name2value_obj( goi
->interp
,
12658 Jim_GetOpt_NvpUnknown( Jim_GetOptInfo
*goi
,
12659 const Jim_Nvp
*nvptable
,
12663 Jim_SetResult_NvpUnknown( goi
->interp
,
12668 Jim_SetResult_NvpUnknown( goi
->interp
,
12677 Jim_GetOpt_Enum( Jim_GetOptInfo
*goi
,
12678 const char * const * lookup
,
12685 if( puthere
== NULL
){
12688 e
= Jim_GetOpt_Obj( goi
, &o
);
12690 e
= Jim_GetEnum( goi
->interp
,
12703 Jim_SetResult_sprintf( Jim_Interp
*interp
, const char *fmt
,... )
12709 buf
= jim_vasprintf( fmt
, ap
);
12712 Jim_SetResultString( interp
, buf
, -1 );
12713 jim_vasprintf_done(buf
);
12720 Jim_SetResult_NvpUnknown( Jim_Interp
*interp
,
12721 Jim_Obj
*param_name
,
12722 Jim_Obj
*param_value
,
12723 const Jim_Nvp
*nvp
)
12726 Jim_SetResult_sprintf( interp
,
12727 "%s: Unknown: %s, try one of: ",
12728 Jim_GetString( param_name
, NULL
),
12729 Jim_GetString( param_value
, NULL
) );
12731 Jim_SetResult_sprintf( interp
,
12732 "Unknown param: %s, try one of: ",
12733 Jim_GetString( param_value
, NULL
) );
12735 while( nvp
->name
){
12739 if( (nvp
+1)->name
){
12746 Jim_AppendStrings( interp
,
12747 Jim_GetResult(interp
),
12754 static Jim_Obj
*debug_string_obj
;
12757 Jim_Debug_ArgvString( Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
12761 if( debug_string_obj
){
12762 Jim_FreeObj( interp
, debug_string_obj
);
12765 debug_string_obj
= Jim_NewEmptyStringObj( interp
);
12766 for( x
= 0 ; x
< argc
; x
++ ){
12767 Jim_AppendStrings( interp
,
12769 Jim_GetString( argv
[x
], NULL
),
12774 return Jim_GetString( debug_string_obj
, NULL
);
12780 * Local Variables: ***
12781 * c-basic-offset: 4 ***