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- fix win32 build issues from previous jim patch
[openocd.git] / src / helper / jim.h
1 /* Jim - A small embeddable Tcl interpreter
2 *
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 - soyvind.harboe@zylin.com
7 * Copyright 2008 Andrew Lunn <andrew@lunn.ch>
8 * Copyright 2008 Duane Ellis <openocd@duaneellis.com>
9 * Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
10 *
11 * The FreeBSD license
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
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.
23 *
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.
36 *
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.
40 *
41 *--- Inline Header File Documentation ---
42 * [By Duane Ellis, openocd@duaneellis.com, 8/18/8]
43 *
44 * Belief is "Jim" would greatly benifit if Jim Internals where
45 * documented in some way - form whatever, and perhaps - the package:
46 * 'doxygen' is the correct approach to do that.
47 *
48 * Details, see: http://www.stack.nl/~dimitri/doxygen/
49 *
50 * To that end please follow these guide lines:
51 *
52 * (A) Document the PUBLIC api in the .H file.
53 *
54 * (B) Document JIM Internals, in the .C file.
55 *
56 * (C) Remember JIM is embedded in other packages, to that end do
57 * not assume that your way of documenting is the right way, Jim's
58 * public documentation should be agnostic, such that it is some
59 * what agreeable with the "package" that is embedding JIM inside
60 * of it's own doxygen documentation.
61 *
62 * (D) Use minimal Doxygen tags.
63 *
64 * This will be an "ongoing work in progress" for some time.
65 **/
66
67 #ifndef __JIM__H
68 #define __JIM__H
69
70 #ifdef __cplusplus
71 extern "C" {
72 #endif
73
74 #include <time.h>
75 #include <limits.h>
76 #include <stdio.h> /* for the FILE typedef definition */
77 #include <stdlib.h> /* In order to export the Jim_Free() macro */
78 #include <stdarg.h> /* In order to get type va_list */
79
80 /* -----------------------------------------------------------------------------
81 * Some /very/ old compiler maybe do not know how to
82 * handle 'const'. They even do not know, how to ignore
83 * it. For those compiler it may be better to compile with
84 * define JIM_NO_CONST activated
85 * ---------------------------------------------------------------------------*/
86
87 #ifdef JIM_NO_CONST
88 # define const
89 #endif
90
91 /* -----------------------------------------------------------------------------
92 * System configuration
93 * For most modern systems, you can leave the default.
94 * For embedded systems some change may be required.
95 * ---------------------------------------------------------------------------*/
96
97 #define HAVE_LONG_LONG
98
99 /* -----------------------------------------------------------------------------
100 * Compiler specific fixes.
101 * ---------------------------------------------------------------------------*/
102
103 /* MSC has _stricmp instead of strcasecmp */
104 #ifdef _MSC_VER
105 # define strcasecmp _stricmp
106 #endif /* _MSC_VER */
107
108 /* Long Long type and related issues */
109 #ifdef HAVE_LONG_LONG
110 # ifdef _MSC_VER /* MSC compiler */
111 # define jim_wide _int64
112 # ifndef LLONG_MAX
113 # define LLONG_MAX 9223372036854775807I64
114 # endif
115 # ifndef LLONG_MIN
116 # define LLONG_MIN (-LLONG_MAX - 1I64)
117 # endif
118 # define JIM_WIDE_MIN LLONG_MIN
119 # define JIM_WIDE_MAX LLONG_MAX
120 # else /* Other compilers (mainly GCC) */
121 # define jim_wide long long
122 # ifndef LLONG_MAX
123 # define LLONG_MAX 9223372036854775807LL
124 # endif
125 # ifndef LLONG_MIN
126 # define LLONG_MIN (-LLONG_MAX - 1LL)
127 # endif
128 # define JIM_WIDE_MIN LLONG_MIN
129 # define JIM_WIDE_MAX LLONG_MAX
130 # endif
131 #else
132 # define jim_wide long
133 # define JIM_WIDE_MIN LONG_MIN
134 # define JIM_WIDE_MAX LONG_MAX
135 #endif
136
137 /* -----------------------------------------------------------------------------
138 * LIBC specific fixes
139 * ---------------------------------------------------------------------------*/
140
141 #ifdef HAVE_LONG_LONG
142 # if defined(_MSC_VER) || defined(__MSVCRT__)
143 # define JIM_WIDE_MODIFIER "I64d"
144 # else
145 # define JIM_WIDE_MODIFIER "lld"
146 # endif
147 #else
148 # define JIM_WIDE_MODIFIER "ld"
149 #endif
150
151 /* -----------------------------------------------------------------------------
152 * Exported defines
153 * ---------------------------------------------------------------------------*/
154
155 /* Jim version numbering: every version of jim is marked with a
156 * successive integer number. This is version 0. The first
157 * stable version will be 1, then 2, 3, and so on. */
158 #define JIM_VERSION 51
159
160 #define JIM_OK 0
161 #define JIM_ERR 1
162 #define JIM_RETURN 2
163 #define JIM_BREAK 3
164 #define JIM_CONTINUE 4
165 #define JIM_EVAL 5
166 #define JIM_EXIT 6
167 #define JIM_MAX_NESTING_DEPTH 10000 /* default max nesting depth */
168
169 /* Some function get an integer argument with flags to change
170 * the behaviour. */
171 #define JIM_NONE 0 /* no flags set */
172 #define JIM_ERRMSG 1 /* set an error message in the interpreter. */
173
174 /* Flags for Jim_SubstObj() */
175 #define JIM_SUBST_NOVAR 1 /* don't perform variables substitutions */
176 #define JIM_SUBST_NOCMD 2 /* don't perform command substitutions */
177 #define JIM_SUBST_NOESC 4 /* don't perform escapes substitutions */
178
179 /* Unused arguments generate annoying warnings... */
180 #define JIM_NOTUSED(V) ((void) V)
181
182 /* Flags used by API calls getting a 'nocase' argument. */
183 #define JIM_CASESENS 0 /* case sensitive */
184 #define JIM_NOCASE 1 /* no case */
185
186 /* Filesystem related */
187 #define JIM_PATH_LEN 1024
188
189 /* Newline, some embedded system may need -DJIM_CRLF */
190 #ifdef JIM_CRLF
191 #define JIM_NL "\r\n"
192 #else
193 #define JIM_NL "\n"
194 #endif
195
196 #if defined(__WIN32__) || defined(_WIN32)
197 #define DLLEXPORT __declspec(dllexport)
198 #define DLLIMPORT __declspec(dllimport)
199 #else
200 #define DLLEXPORT
201 #define DLLIMPORT
202 #endif
203
204 /* -----------------------------------------------------------------------------
205 * Stack
206 * ---------------------------------------------------------------------------*/
207
208 typedef struct Jim_Stack {
209 int len;
210 int maxlen;
211 void **vector;
212 } Jim_Stack;
213
214 /* -----------------------------------------------------------------------------
215 * Hash table
216 * ---------------------------------------------------------------------------*/
217
218 typedef struct Jim_HashEntry {
219 const void *key;
220 void *val;
221 struct Jim_HashEntry *next;
222 } Jim_HashEntry;
223
224 typedef struct Jim_HashTableType {
225 unsigned int (*hashFunction)(const void *key);
226 const void *(*keyDup)(void *privdata, const void *key);
227 void *(*valDup)(void *privdata, const void *obj);
228 int (*keyCompare)(void *privdata, const void *key1, const void *key2);
229 void (*keyDestructor)(void *privdata, const void *key);
230 void (*valDestructor)(void *privdata, void *obj);
231 } Jim_HashTableType;
232
233 typedef struct Jim_HashTable {
234 Jim_HashEntry **table;
235 Jim_HashTableType *type;
236 unsigned int size;
237 unsigned int sizemask;
238 unsigned int used;
239 unsigned int collisions;
240 void *privdata;
241 } Jim_HashTable;
242
243 typedef struct Jim_HashTableIterator {
244 Jim_HashTable *ht;
245 int index;
246 Jim_HashEntry *entry, *nextEntry;
247 } Jim_HashTableIterator;
248
249 /* This is the initial size of every hash table */
250 #define JIM_HT_INITIAL_SIZE 16
251
252 /* ------------------------------- Macros ------------------------------------*/
253 #define Jim_FreeEntryVal(ht, entry) \
254 if ((ht)->type->valDestructor) \
255 (ht)->type->valDestructor((ht)->privdata, (entry)->val)
256
257 #define Jim_SetHashVal(ht, entry, _val_) do { \
258 if ((ht)->type->valDup) \
259 entry->val = (ht)->type->valDup((ht)->privdata, _val_); \
260 else \
261 entry->val = (_val_); \
262 } while(0)
263
264 #define Jim_FreeEntryKey(ht, entry) \
265 if ((ht)->type->keyDestructor) \
266 (ht)->type->keyDestructor((ht)->privdata, (entry)->key)
267
268 #define Jim_SetHashKey(ht, entry, _key_) do { \
269 if ((ht)->type->keyDup) \
270 entry->key = (ht)->type->keyDup((ht)->privdata, _key_); \
271 else \
272 entry->key = (_key_); \
273 } while(0)
274
275 #define Jim_CompareHashKeys(ht, key1, key2) \
276 (((ht)->type->keyCompare) ? \
277 (ht)->type->keyCompare((ht)->privdata, key1, key2) : \
278 (key1) == (key2))
279
280 #define Jim_HashKey(ht, key) (ht)->type->hashFunction(key)
281
282 #define Jim_GetHashEntryKey(he) ((he)->key)
283 #define Jim_GetHashEntryVal(he) ((he)->val)
284 #define Jim_GetHashTableCollisions(ht) ((ht)->collisions)
285 #define Jim_GetHashTableSize(ht) ((ht)->size)
286 #define Jim_GetHashTableUsed(ht) ((ht)->used)
287
288 /* -----------------------------------------------------------------------------
289 * Jim_Obj structure
290 * ---------------------------------------------------------------------------*/
291
292 /* -----------------------------------------------------------------------------
293 * Jim object. This is mostly the same as Tcl_Obj itself,
294 * with the addition of the 'prev' and 'next' pointers.
295 * In Jim all the objects are stored into a linked list for GC purposes,
296 * so that it's possible to access every object living in a given interpreter
297 * sequentially. When an object is freed, it's moved into a different
298 * linked list, used as object pool.
299 *
300 * The refcount of a freed object is always -1.
301 * ---------------------------------------------------------------------------*/
302 typedef struct Jim_Obj {
303 int refCount; /* reference count */
304 char *bytes; /* string representation buffer. NULL = no string repr. */
305 int length; /* number of bytes in 'bytes', not including the numterm. */
306 struct Jim_ObjType *typePtr; /* object type. */
307 /* Internal representation union */
308 union {
309 /* integer number type */
310 jim_wide wideValue;
311 /* hashed object type value */
312 int hashValue;
313 /* index type */
314 int indexValue;
315 /* return code type */
316 int returnCode;
317 /* double number type */
318 double doubleValue;
319 /* Generic pointer */
320 void *ptr;
321 /* Generic two pointers value */
322 struct {
323 void *ptr1;
324 void *ptr2;
325 } twoPtrValue;
326 /* Variable object */
327 struct {
328 unsigned jim_wide callFrameId;
329 struct Jim_Var *varPtr;
330 } varValue;
331 /* Command object */
332 struct {
333 unsigned jim_wide procEpoch;
334 struct Jim_Cmd *cmdPtr;
335 } cmdValue;
336 /* List object */
337 struct {
338 struct Jim_Obj **ele; /* Elements vector */
339 int len; /* Length */
340 int maxLen; /* Allocated 'ele' length */
341 } listValue;
342 /* String type */
343 struct {
344 int maxLength;
345 } strValue;
346 /* Reference type */
347 struct {
348 jim_wide id;
349 struct Jim_Reference *refPtr;
350 } refValue;
351 /* Source type */
352 struct {
353 const char *fileName;
354 int lineNumber;
355 } sourceValue;
356 /* Dict substitution type */
357 struct {
358 struct Jim_Obj *varNameObjPtr;
359 struct Jim_Obj *indexObjPtr;
360 } dictSubstValue;
361 /* tagged binary type */
362 struct {
363 unsigned char *data;
364 size_t len;
365 } binaryValue;
366 } internalRep;
367 /* This are 8 or 16 bytes more for every object
368 * but this is required for efficient garbage collection
369 * of Jim references. */
370 struct Jim_Obj *prevObjPtr; /* pointer to the prev object. */
371 struct Jim_Obj *nextObjPtr; /* pointer to the next object. */
372 } Jim_Obj;
373
374 /* Jim_Obj related macros */
375 #define Jim_IncrRefCount(objPtr) \
376 ++(objPtr)->refCount
377 #define Jim_DecrRefCount(interp, objPtr) \
378 if (--(objPtr)->refCount <= 0) Jim_FreeObj(interp, objPtr)
379 #define Jim_IsShared(objPtr) \
380 ((objPtr)->refCount > 1)
381
382 /* This macro is used when we allocate a new object using
383 * Jim_New...Obj(), but for some error we need to destroy it.
384 * Instead to use Jim_IncrRefCount() + Jim_DecrRefCount() we
385 * can just call Jim_FreeNewObj. To call Jim_Free directly
386 * seems too raw, the object handling may change and we want
387 * that Jim_FreeNewObj() can be called only against objects
388 * that are belived to have refcount == 0. */
389 #define Jim_FreeNewObj Jim_FreeObj
390
391 /* Free the internal representation of the object. */
392 #define Jim_FreeIntRep(i,o) \
393 if ((o)->typePtr && (o)->typePtr->freeIntRepProc) \
394 (o)->typePtr->freeIntRepProc(i, o)
395
396 /* Get the internal representation pointer */
397 #define Jim_GetIntRepPtr(o) (o)->internalRep.ptr
398
399 /* Set the internal representation pointer */
400 #define Jim_SetIntRepPtr(o, p) \
401 (o)->internalRep.ptr = (p)
402
403 /* The object type structure.
404 * There are four methods.
405 *
406 * - FreeIntRep is used to free the internal representation of the object.
407 * Can be NULL if there is nothing to free.
408 * - DupIntRep is used to duplicate the internal representation of the object.
409 * If NULL, when an object is duplicated, the internalRep union is
410 * directly copied from an object to another.
411 * Note that it's up to the caller to free the old internal repr of the
412 * object before to call the Dup method.
413 * - UpdateString is used to create the string from the internal repr.
414 * - setFromAny is used to convert the current object into one of this type.
415 */
416
417 struct Jim_Interp;
418
419 typedef void (Jim_FreeInternalRepProc)(struct Jim_Interp *interp,
420 struct Jim_Obj *objPtr);
421 typedef void (Jim_DupInternalRepProc)(struct Jim_Interp *interp,
422 struct Jim_Obj *srcPtr, Jim_Obj *dupPtr);
423 typedef void (Jim_UpdateStringProc)(struct Jim_Obj *objPtr);
424
425 typedef struct Jim_ObjType {
426 const char *name; /* The name of the type. */
427 Jim_FreeInternalRepProc *freeIntRepProc;
428 Jim_DupInternalRepProc *dupIntRepProc;
429 Jim_UpdateStringProc *updateStringProc;
430 int flags;
431 } Jim_ObjType;
432
433 /* Jim_ObjType flags */
434 #define JIM_TYPE_NONE 0 /* No flags */
435 #define JIM_TYPE_REFERENCES 1 /* The object may contain referneces. */
436
437 /* Starting from 1 << 20 flags are reserved for private uses of
438 * different calls. This way the same 'flags' argument may be used
439 * to pass both global flags and private flags. */
440 #define JIM_PRIV_FLAG_SHIFT 20
441
442 /* -----------------------------------------------------------------------------
443 * Call frame, vars, commands structures
444 * ---------------------------------------------------------------------------*/
445
446 /* Call frame */
447 typedef struct Jim_CallFrame {
448 unsigned jim_wide id; /* Call Frame ID. Used for caching. */
449 struct Jim_HashTable vars; /* Where local vars are stored */
450 struct Jim_HashTable *staticVars; /* pointer to procedure static vars */
451 struct Jim_CallFrame *parentCallFrame;
452 Jim_Obj *const *argv; /* object vector of the current procedure call. */
453 int argc; /* number of args of the current procedure call. */
454 Jim_Obj *procArgsObjPtr; /* arglist object of the running procedure */
455 Jim_Obj *procBodyObjPtr; /* body object of the running procedure */
456 struct Jim_CallFrame *nextFramePtr;
457 } Jim_CallFrame;
458
459 /* The var structure. It just holds the pointer of the referenced
460 * object. If linkFramePtr is not NULL the variable is a link
461 * to a variable of name store on objPtr living on the given callframe
462 * (this happens when the [global] or [upvar] command is used).
463 * The interp in order to always know how to free the Jim_Obj associated
464 * with a given variable because In Jim objects memory managment is
465 * bound to interpreters. */
466 typedef struct Jim_Var {
467 Jim_Obj *objPtr;
468 struct Jim_CallFrame *linkFramePtr;
469 } Jim_Var;
470
471 /* The cmd structure. */
472 typedef int (*Jim_CmdProc)(struct Jim_Interp *interp, int argc,
473 Jim_Obj *const *argv);
474 typedef void (*Jim_DelCmdProc)(struct Jim_Interp *interp, void *privData);
475
476 /* A command is implemented in C if funcPtr is != NULL, otherwise
477 * it's a Tcl procedure with the arglist and body represented by the
478 * two objects referenced by arglistObjPtr and bodyoObjPtr. */
479 typedef struct Jim_Cmd {
480 Jim_CmdProc cmdProc; /* Not-NULL for a C command. */
481 void *privData; /* Only used for C commands. */
482 Jim_DelCmdProc delProc; /* Called when the command is deleted if != NULL */
483 Jim_Obj *argListObjPtr;
484 Jim_Obj *bodyObjPtr;
485 Jim_HashTable *staticVars; /* Static vars hash table. NULL if no statics. */
486 int arityMin; /* Min number of arguments. */
487 int arityMax; /* Max number of arguments. */
488 } Jim_Cmd;
489
490 /* Pseudo Random Number Generator State structure */
491 typedef struct Jim_PrngState {
492 unsigned char sbox[256];
493 unsigned int i, j;
494 } Jim_PrngState;
495
496 /* -----------------------------------------------------------------------------
497 * Jim interpreter structure.
498 * Fields similar to the real Tcl interpreter structure have the same names.
499 * ---------------------------------------------------------------------------*/
500 typedef struct Jim_Interp {
501 Jim_Obj *result; /* object returned by the last command called. */
502 int errorLine; /* Error line where an error occurred. */
503 const char *errorFileName; /* Error file where an error occurred. */
504 int numLevels; /* Number of current nested calls. */
505 int maxNestingDepth; /* Used for infinite loop detection. */
506 int returnCode; /* Completion code to return on JIM_RETURN. */
507 int exitCode; /* Code to return to the OS on JIM_EXIT. */
508 Jim_CallFrame *framePtr; /* Pointer to the current call frame */
509 Jim_CallFrame *topFramePtr; /* toplevel/global frame pointer. */
510 struct Jim_HashTable commands; /* Commands hash table */
511 unsigned jim_wide procEpoch; /* Incremented every time the result
512 of procedures names lookup caching
513 may no longer be valid. */
514 unsigned jim_wide callFrameEpoch; /* Incremented every time a new
515 callframe is created. This id is used for the
516 'ID' field contained in the Jim_CallFrame
517 structure. */
518 Jim_Obj *liveList; /* Linked list of all the live objects. */
519 Jim_Obj *freeList; /* Linked list of all the unused objects. */
520 const char *scriptFileName; /* File name of the script currently in execution. */
521 Jim_Obj *emptyObj; /* Shared empty string object. */
522 unsigned jim_wide referenceNextId; /* Next id for reference. */
523 struct Jim_HashTable references; /* References hash table. */
524 jim_wide lastCollectId; /* reference max Id of the last GC
525 execution. It's set to -1 while the collection
526 is running as sentinel to avoid to recursive
527 calls via the [collect] command inside
528 finalizers. */
529 time_t lastCollectTime; /* unix time of the last GC execution */
530 struct Jim_HashTable sharedStrings; /* Shared Strings hash table */
531 Jim_Obj *stackTrace; /* Stack trace object. */
532 Jim_Obj *unknown; /* Unknown command cache */
533 int errorFlag; /* Set if an error occurred during execution. */
534 int evalRetcodeLevel; /* Level where the last return with code JIM_EVAL
535 happened. */
536 void *cmdPrivData; /* Used to pass the private data pointer to
537 a command. It is set to what the user specified
538 via Jim_CreateCommand(). */
539
540 struct Jim_HashTable stub; /* Stub hash table to export API */
541 /* Jim_GetApi() function pointer, used to bootstrap the STUB table */
542 int (*getApiFuncPtr)(struct Jim_Interp *, const char *, void *);
543 struct Jim_CallFrame *freeFramesList; /* list of CallFrame structures. */
544 struct Jim_HashTable assocData; /* per-interp storage for use by packages */
545 Jim_PrngState *prngState; /* per interpreter Random Number Gen. state. */
546 struct Jim_HashTable packages; /* Provided packages hash table */
547 void *cookie_stdin; /* input file pointer, 'stdin' by default */
548 void *cookie_stdout; /* output file pointer, 'stdout' by default */
549 void *cookie_stderr; /* errors file pointer, 'stderr' by default */
550 size_t (*cb_fwrite )( const void *ptr, size_t size, size_t n, void *cookie );
551 size_t (*cb_fread )( void *ptr, size_t size, size_t n, void *cookie );
552 int (*cb_vfprintf)( void *cookie, const char *fmt, va_list ap );
553 int (*cb_fflush )( void *cookie );
554 char *(*cb_fgets )( char *s, int size, void *cookie );
555 } Jim_Interp;
556
557 /* Currently provided as macro that performs the increment.
558 * At some point may be a real function doing more work.
559 * The proc epoch is used in order to know when a command lookup
560 * cached can no longer considered valid. */
561 #define Jim_InterpIncrProcEpoch(i) (i)->procEpoch++
562 #define Jim_SetResultString(i,s,l) Jim_SetResult(i, Jim_NewStringObj(i,s,l))
563 #define Jim_SetEmptyResult(i) Jim_SetResult(i, (i)->emptyObj)
564 #define Jim_GetResult(i) ((i)->result)
565 #define Jim_CmdPrivData(i) ((i)->cmdPrivData)
566
567 /* Note that 'o' is expanded only one time inside this macro,
568 * so it's safe to use side effects. */
569 #define Jim_SetResult(i,o) do { \
570 Jim_Obj *_resultObjPtr_ = (o); \
571 Jim_IncrRefCount(_resultObjPtr_); \
572 Jim_DecrRefCount(i,(i)->result); \
573 (i)->result = _resultObjPtr_; \
574 } while(0)
575
576 /* Reference structure. The interpreter pointer is held within privdata member in HashTable */
577 #define JIM_REFERENCE_TAGLEN 7 /* The tag is fixed-length, because the reference
578 string representation must be fixed length. */
579 typedef struct Jim_Reference {
580 Jim_Obj *objPtr;
581 Jim_Obj *finalizerCmdNamePtr;
582 char tag[JIM_REFERENCE_TAGLEN+1];
583 } Jim_Reference;
584
585 /** Name Value Pairs, aka: NVP
586 * - Given a string - return the associated int.
587 * - Given a number - return the associated string.
588 * .
589 *
590 * Very useful when the number is not a simple index into an array of
591 * known string, or there may be multiple strings (aliases) that mean then same
592 * thing.
593 *
594 * An NVP Table is terminated with ".name=NULL".
595 *
596 * During the 'name2value' operation, if no matching string is found
597 * the pointer to the terminal element (with p->name==NULL) is returned.
598 *
599 * Example:
600 * \code
601 * const Jim_Nvp yn[] = {
602 * { "yes", 1 },
603 * { "no" , 0 },
604 * { "yep", 1 },
605 * { "nope", 0 },
606 * { NULL, -1 },
607 * };
608 *
609 * Jim_Nvp *result
610 * e = Jim_Nvp_name2value( interp, yn, "y", &result );
611 * returns &yn[0];
612 * e = Jim_Nvp_name2value( interp, yn, "n", &result );
613 * returns &yn[1];
614 * e = Jim_Nvp_name2value( interp, yn, "Blah", &result );
615 * returns &yn[4];
616 * \endcode
617 *
618 * During the number2name operation, the first matching value is returned.
619 */
620 typedef struct {
621 const char *name;
622 int value;
623 } Jim_Nvp;
624
625
626 /* -----------------------------------------------------------------------------
627 * Exported API prototypes.
628 * ---------------------------------------------------------------------------*/
629
630 /* Macros that are common for extensions and core. */
631 #define Jim_NewEmptyStringObj(i) Jim_NewStringObj(i, "", 0)
632
633 /* The core includes real prototypes, extensions instead
634 * include a global function pointer for every function exported.
635 * Once the extension calls Jim_InitExtension(), the global
636 * functon pointers are set to the value of the STUB table
637 * contained in the Jim_Interp structure.
638 *
639 * This makes Jim able to load extensions even if it is statically
640 * linked itself, and to load extensions compiled with different
641 * versions of Jim (as long as the API is still compatible.) */
642
643 /* Macros are common for core and extensions */
644 #define Jim_FreeHashTableIterator(iter) Jim_Free(iter)
645
646 #ifdef DOXYGEN
647 #define JIM_STATIC
648 #define JIM_API( X ) X
649 #else
650 #ifndef __JIM_CORE__
651 # if defined JIM_EXTENSION || defined JIM_EMBEDDED
652 # define JIM_API(x) (*x)
653 # define JIM_STATIC
654 # else
655 # define JIM_API(x) (*x)
656 # define JIM_STATIC extern
657 # endif
658 #else
659 # define JIM_API(x) x
660 # if defined(BUILD_Jim)
661 # define JIM_STATIC DLLEXPORT
662 # else
663 # define JIM_STATIC static
664 # endif
665 #endif /* __JIM_CORE__ */
666 #endif /* DOXYGEN */
667
668 /** Set the result - printf() style */
669 JIM_STATIC int JIM_API( Jim_SetResult_sprintf )( Jim_Interp *p, const char *fmt, ... );
670
671 /* Memory allocation */
672 JIM_STATIC void * JIM_API(Jim_Alloc) (int size);
673 JIM_STATIC void JIM_API(Jim_Free) (void *ptr);
674 JIM_STATIC char * JIM_API(Jim_StrDup) (const char *s);
675
676 /* evaluation */
677 JIM_STATIC int JIM_API(Jim_Eval)(Jim_Interp *interp, const char *script);
678 JIM_STATIC int JIM_API(Jim_EvalGlobal)(Jim_Interp *interp, const char *script);
679 JIM_STATIC int JIM_API(Jim_EvalFile)(Jim_Interp *interp, const char *filename);
680 JIM_STATIC int JIM_API(Jim_EvalObj) (Jim_Interp *interp, Jim_Obj *scriptObjPtr);
681 JIM_STATIC int JIM_API(Jim_EvalObjBackground) (Jim_Interp *interp,
682 Jim_Obj *scriptObjPtr);
683 JIM_STATIC int JIM_API(Jim_EvalObjVector) (Jim_Interp *interp, int objc,
684 Jim_Obj *const *objv);
685 JIM_STATIC int JIM_API(Jim_SubstObj) (Jim_Interp *interp, Jim_Obj *substObjPtr,
686 Jim_Obj **resObjPtrPtr, int flags);
687
688 /* stack */
689 JIM_STATIC void JIM_API(Jim_InitStack)(Jim_Stack *stack);
690 JIM_STATIC void JIM_API(Jim_FreeStack)(Jim_Stack *stack);
691 JIM_STATIC int JIM_API(Jim_StackLen)(Jim_Stack *stack);
692 JIM_STATIC void JIM_API(Jim_StackPush)(Jim_Stack *stack, void *element);
693 JIM_STATIC void * JIM_API(Jim_StackPop)(Jim_Stack *stack);
694 JIM_STATIC void * JIM_API(Jim_StackPeek)(Jim_Stack *stack);
695 JIM_STATIC void JIM_API(Jim_FreeStackElements)(Jim_Stack *stack, void (*freeFunc)(void *ptr));
696
697 /* hash table */
698 JIM_STATIC int JIM_API(Jim_InitHashTable) (Jim_HashTable *ht,
699 Jim_HashTableType *type, void *privdata);
700 JIM_STATIC int JIM_API(Jim_ExpandHashTable) (Jim_HashTable *ht,
701 unsigned int size);
702 JIM_STATIC int JIM_API(Jim_AddHashEntry) (Jim_HashTable *ht, const void *key,
703 void *val);
704 JIM_STATIC int JIM_API(Jim_ReplaceHashEntry) (Jim_HashTable *ht,
705 const void *key, void *val);
706 JIM_STATIC int JIM_API(Jim_DeleteHashEntry) (Jim_HashTable *ht,
707 const void *key);
708 JIM_STATIC int JIM_API(Jim_FreeHashTable) (Jim_HashTable *ht);
709 JIM_STATIC Jim_HashEntry * JIM_API(Jim_FindHashEntry) (Jim_HashTable *ht,
710 const void *key);
711 JIM_STATIC int JIM_API(Jim_ResizeHashTable) (Jim_HashTable *ht);
712 JIM_STATIC Jim_HashTableIterator *JIM_API(Jim_GetHashTableIterator)
713 (Jim_HashTable *ht);
714 JIM_STATIC Jim_HashEntry * JIM_API(Jim_NextHashEntry)
715 (Jim_HashTableIterator *iter);
716
717 /* objects */
718 JIM_STATIC Jim_Obj * JIM_API(Jim_NewObj) (Jim_Interp *interp);
719 JIM_STATIC void JIM_API(Jim_FreeObj) (Jim_Interp *interp, Jim_Obj *objPtr);
720 JIM_STATIC void JIM_API(Jim_InvalidateStringRep) (Jim_Obj *objPtr);
721 JIM_STATIC void JIM_API(Jim_InitStringRep) (Jim_Obj *objPtr, const char *bytes,
722 int length);
723 JIM_STATIC Jim_Obj * JIM_API(Jim_DuplicateObj) (Jim_Interp *interp,
724 Jim_Obj *objPtr);
725 JIM_STATIC const char * JIM_API(Jim_GetString)(Jim_Obj *objPtr,
726 int *lenPtr);
727 JIM_STATIC int JIM_API(Jim_Length)(Jim_Obj *objPtr);
728
729 /* string object */
730 JIM_STATIC Jim_Obj * JIM_API(Jim_NewStringObj) (Jim_Interp *interp,
731 const char *s, int len);
732 JIM_STATIC Jim_Obj * JIM_API(Jim_NewStringObjNoAlloc) (Jim_Interp *interp,
733 char *s, int len);
734 JIM_STATIC void JIM_API(Jim_AppendString) (Jim_Interp *interp, Jim_Obj *objPtr,
735 const char *str, int len);
736 JIM_STATIC void JIM_API(Jim_AppendObj) (Jim_Interp *interp, Jim_Obj *objPtr,
737 Jim_Obj *appendObjPtr);
738 JIM_STATIC void JIM_API(Jim_AppendStrings) (Jim_Interp *interp,
739 Jim_Obj *objPtr, ...);
740 JIM_STATIC int JIM_API(Jim_StringEqObj) (Jim_Obj *aObjPtr,
741 Jim_Obj *bObjPtr, int nocase);
742 JIM_STATIC int JIM_API(Jim_StringMatchObj) (Jim_Obj *patternObjPtr,
743 Jim_Obj *objPtr, int nocase);
744 JIM_STATIC Jim_Obj * JIM_API(Jim_StringRangeObj) (Jim_Interp *interp,
745 Jim_Obj *strObjPtr, Jim_Obj *firstObjPtr,
746 Jim_Obj *lastObjPtr);
747 JIM_STATIC Jim_Obj * JIM_API(Jim_FormatString) (Jim_Interp *interp,
748 Jim_Obj *fmtObjPtr, int objc, Jim_Obj *const *objv);
749 JIM_STATIC Jim_Obj * JIM_API(Jim_ScanString) (Jim_Interp *interp, Jim_Obj *strObjPtr,
750 Jim_Obj *fmtObjPtr, int flags);
751 JIM_STATIC int JIM_API(Jim_CompareStringImmediate) (Jim_Interp *interp,
752 Jim_Obj *objPtr, const char *str);
753
754 /* reference object */
755 JIM_STATIC Jim_Obj * JIM_API(Jim_NewReference) (Jim_Interp *interp,
756 Jim_Obj *objPtr, Jim_Obj *tagPtr, Jim_Obj *cmdNamePtr);
757 JIM_STATIC Jim_Reference * JIM_API(Jim_GetReference) (Jim_Interp *interp,
758 Jim_Obj *objPtr);
759 JIM_STATIC int JIM_API(Jim_SetFinalizer) (Jim_Interp *interp, Jim_Obj *objPtr, Jim_Obj *cmdNamePtr);
760 JIM_STATIC int JIM_API(Jim_GetFinalizer) (Jim_Interp *interp, Jim_Obj *objPtr, Jim_Obj **cmdNamePtrPtr);
761
762 /* interpreter */
763 JIM_STATIC Jim_Interp * JIM_API(Jim_CreateInterp) (void);
764 JIM_STATIC void JIM_API(Jim_FreeInterp) (Jim_Interp *i);
765 JIM_STATIC int JIM_API(Jim_GetExitCode) (Jim_Interp *interp);
766 JIM_STATIC void * JIM_API(Jim_SetStdin) (Jim_Interp *interp, void *fp);
767 JIM_STATIC void * JIM_API(Jim_SetStdout) (Jim_Interp *interp, void *fp);
768 JIM_STATIC void * JIM_API(Jim_SetStderr) (Jim_Interp *interp, void *fp);
769
770 /* commands */
771 JIM_STATIC void JIM_API(Jim_RegisterCoreCommands) (Jim_Interp *interp);
772 JIM_STATIC int JIM_API(Jim_CreateCommand) (Jim_Interp *interp,
773 const char *cmdName, Jim_CmdProc cmdProc, void *privData,
774 Jim_DelCmdProc delProc);
775 JIM_STATIC int JIM_API(Jim_CreateProcedure) (Jim_Interp *interp,
776 const char *cmdName, Jim_Obj *argListObjPtr, Jim_Obj *staticsListObjPtr,
777 Jim_Obj *bodyObjPtr, int arityMin, int arityMax);
778 JIM_STATIC int JIM_API(Jim_DeleteCommand) (Jim_Interp *interp,
779 const char *cmdName);
780 JIM_STATIC int JIM_API(Jim_RenameCommand) (Jim_Interp *interp,
781 const char *oldName, const char *newName);
782 JIM_STATIC Jim_Cmd * JIM_API(Jim_GetCommand) (Jim_Interp *interp,
783 Jim_Obj *objPtr, int flags);
784 JIM_STATIC int JIM_API(Jim_SetVariable) (Jim_Interp *interp,
785 Jim_Obj *nameObjPtr, Jim_Obj *valObjPtr);
786 JIM_STATIC int JIM_API(Jim_SetVariableStr) (Jim_Interp *interp,
787 const char *name, Jim_Obj *objPtr);
788 JIM_STATIC int JIM_API(Jim_SetGlobalVariableStr) (Jim_Interp *interp,
789 const char *name, Jim_Obj *objPtr);
790 JIM_STATIC int JIM_API(Jim_SetVariableStrWithStr) (Jim_Interp *interp,
791 const char *name, const char *val);
792 JIM_STATIC int JIM_API(Jim_SetVariableLink) (Jim_Interp *interp,
793 Jim_Obj *nameObjPtr, Jim_Obj *targetNameObjPtr,
794 Jim_CallFrame *targetCallFrame);
795 JIM_STATIC Jim_Obj * JIM_API(Jim_GetVariable) (Jim_Interp *interp,
796 Jim_Obj *nameObjPtr, int flags);
797 JIM_STATIC Jim_Obj * JIM_API(Jim_GetGlobalVariable) (Jim_Interp *interp,
798 Jim_Obj *nameObjPtr, int flags);
799 JIM_STATIC Jim_Obj * JIM_API(Jim_GetVariableStr) (Jim_Interp *interp,
800 const char *name, int flags);
801 JIM_STATIC Jim_Obj * JIM_API(Jim_GetGlobalVariableStr) (Jim_Interp *interp,
802 const char *name, int flags);
803 JIM_STATIC int JIM_API(Jim_UnsetVariable) (Jim_Interp *interp,
804 Jim_Obj *nameObjPtr, int flags);
805
806 /* call frame */
807 JIM_STATIC int JIM_API(Jim_GetCallFrameByLevel) (Jim_Interp *interp,
808 Jim_Obj *levelObjPtr, Jim_CallFrame **framePtrPtr,
809 int *newLevelPtr);
810
811 /* garbage collection */
812 JIM_STATIC int JIM_API(Jim_Collect) (Jim_Interp *interp);
813 JIM_STATIC void JIM_API(Jim_CollectIfNeeded) (Jim_Interp *interp);
814
815 /* index object */
816 JIM_STATIC int JIM_API(Jim_GetIndex) (Jim_Interp *interp, Jim_Obj *objPtr,
817 int *indexPtr);
818
819 /* list object */
820 JIM_STATIC Jim_Obj * JIM_API(Jim_NewListObj) (Jim_Interp *interp,
821 Jim_Obj *const *elements, int len);
822 JIM_STATIC void JIM_API(Jim_ListInsertElements) (Jim_Interp *interp,
823 Jim_Obj *listPtr, int index, int objc, Jim_Obj *const *objVec);
824 JIM_STATIC void JIM_API(Jim_ListAppendElement) (Jim_Interp *interp,
825 Jim_Obj *listPtr, Jim_Obj *objPtr);
826 JIM_STATIC void JIM_API(Jim_ListAppendList) (Jim_Interp *interp,
827 Jim_Obj *listPtr, Jim_Obj *appendListPtr);
828 JIM_STATIC void JIM_API(Jim_ListLength) (Jim_Interp *interp, Jim_Obj *listPtr,
829 int *intPtr);
830 JIM_STATIC int JIM_API(Jim_ListIndex) (Jim_Interp *interp, Jim_Obj *listPrt,
831 int index, Jim_Obj **objPtrPtr, int seterr);
832 JIM_STATIC int JIM_API(Jim_SetListIndex) (Jim_Interp *interp,
833 Jim_Obj *varNamePtr, Jim_Obj *const *indexv, int indexc,
834 Jim_Obj *newObjPtr);
835 JIM_STATIC Jim_Obj * JIM_API(Jim_ConcatObj) (Jim_Interp *interp, int objc,
836 Jim_Obj *const *objv);
837
838 /* dict object */
839 JIM_STATIC Jim_Obj * JIM_API(Jim_NewDictObj) (Jim_Interp *interp,
840 Jim_Obj *const *elements, int len);
841 JIM_STATIC int JIM_API(Jim_DictKey) (Jim_Interp *interp, Jim_Obj *dictPtr,
842 Jim_Obj *keyPtr, Jim_Obj **objPtrPtr, int flags);
843 JIM_STATIC int JIM_API(Jim_DictKeysVector) (Jim_Interp *interp,
844 Jim_Obj *dictPtr, Jim_Obj *const *keyv, int keyc,
845 Jim_Obj **objPtrPtr, int flags);
846 JIM_STATIC int JIM_API(Jim_SetDictKeysVector) (Jim_Interp *interp,
847 Jim_Obj *varNamePtr, Jim_Obj *const *keyv, int keyc,
848 Jim_Obj *newObjPtr);
849
850 /* return code object */
851 JIM_STATIC int JIM_API(Jim_GetReturnCode) (Jim_Interp *interp, Jim_Obj *objPtr,
852 int *intPtr);
853
854 /* expression object */
855 JIM_STATIC int JIM_API(Jim_EvalExpression) (Jim_Interp *interp,
856 Jim_Obj *exprObjPtr, Jim_Obj **exprResultPtrPtr);
857 JIM_STATIC int JIM_API(Jim_GetBoolFromExpr) (Jim_Interp *interp,
858 Jim_Obj *exprObjPtr, int *boolPtr);
859
860 /* integer object */
861 JIM_STATIC int JIM_API(Jim_GetWide) (Jim_Interp *interp, Jim_Obj *objPtr,
862 jim_wide *widePtr);
863 JIM_STATIC int JIM_API(Jim_GetLong) (Jim_Interp *interp, Jim_Obj *objPtr,
864 long *longPtr);
865 JIM_STATIC void JIM_API(Jim_SetWide) (Jim_Interp *interp, Jim_Obj *objPtr,
866 jim_wide wideValue);
867 #define Jim_NewWideObj Jim_NewIntObj
868 JIM_STATIC Jim_Obj * JIM_API(Jim_NewIntObj) (Jim_Interp *interp,
869 jim_wide wideValue);
870
871 /* double object */
872 JIM_STATIC int JIM_API(Jim_GetDouble)(Jim_Interp *interp, Jim_Obj *objPtr,
873 double *doublePtr);
874 JIM_STATIC void JIM_API(Jim_SetDouble)(Jim_Interp *interp, Jim_Obj *objPtr,
875 double doubleValue);
876 JIM_STATIC Jim_Obj * JIM_API(Jim_NewDoubleObj)(Jim_Interp *interp, double doubleValue);
877
878 /* shared strings */
879 JIM_STATIC const char * JIM_API(Jim_GetSharedString) (Jim_Interp *interp,
880 const char *str);
881 JIM_STATIC void JIM_API(Jim_ReleaseSharedString) (Jim_Interp *interp,
882 const char *str);
883
884 /* commands utilities */
885 JIM_STATIC void JIM_API(Jim_WrongNumArgs) (Jim_Interp *interp, int argc,
886 Jim_Obj *const *argv, const char *msg);
887 JIM_STATIC int JIM_API(Jim_GetEnum) (Jim_Interp *interp, Jim_Obj *objPtr,
888 const char * const *tablePtr, int *indexPtr, const char *name, int flags);
889 JIM_STATIC int JIM_API(Jim_GetNvp) (Jim_Interp *interp,
890 Jim_Obj *objPtr,
891 const Jim_Nvp *nvp_table,
892 const Jim_Nvp **result);
893 JIM_STATIC int JIM_API(Jim_ScriptIsComplete) (const char *s, int len,
894 char *stateCharPtr);
895
896 /* package utilities */
897 typedef void (Jim_InterpDeleteProc)(Jim_Interp *interp, void *data);
898 JIM_STATIC void * JIM_API(Jim_GetAssocData)(Jim_Interp *interp, const char *key);
899 JIM_STATIC int JIM_API(Jim_SetAssocData)(Jim_Interp *interp, const char *key,
900 Jim_InterpDeleteProc *delProc, void *data);
901 JIM_STATIC int JIM_API(Jim_DeleteAssocData)(Jim_Interp *interp, const char *key);
902
903 /* API import/export functions */
904 JIM_STATIC int JIM_API(Jim_GetApi) (Jim_Interp *interp, const char *funcname,
905 void *targetPtrPtr);
906 JIM_STATIC int JIM_API(Jim_RegisterApi) (Jim_Interp *interp,
907 const char *funcname, void *funcptr);
908
909 /* Packages C API */
910 JIM_STATIC int JIM_API(Jim_PackageProvide) (Jim_Interp *interp,
911 const char *name, const char *ver, int flags);
912 JIM_STATIC const char * JIM_API(Jim_PackageRequire) (Jim_Interp *interp,
913 const char *name, const char *ver, int flags);
914
915 /* error messages */
916 JIM_STATIC void JIM_API(Jim_PrintErrorMessage) (Jim_Interp *interp);
917
918 /* interactive mode */
919 JIM_STATIC int JIM_API(Jim_InteractivePrompt) (Jim_Interp *interp);
920
921 /* Misc */
922 JIM_STATIC void JIM_API(Jim_Panic) (Jim_Interp *interp, const char *fmt, ...);
923
924 /* Jim's STDIO */
925 JIM_STATIC int JIM_API( Jim_fprintf )( Jim_Interp *interp, void *cookie, const char *fmt, ... );
926 JIM_STATIC int JIM_API( Jim_vfprintf )( Jim_Interp *interp, void *cookie, const char *fmt, va_list ap );
927 JIM_STATIC size_t JIM_API( Jim_fwrite )( Jim_Interp *interp, const void *ptr, size_t size, size_t nmeb, void *cookie );
928 JIM_STATIC size_t JIM_API( Jim_fread )( Jim_Interp *interp, void *ptr, size_t size, size_t nmeb, void *cookie );
929 JIM_STATIC int JIM_API( Jim_fflush )( Jim_Interp *interp, void *cookie );
930 JIM_STATIC char * JIM_API( Jim_fgets )( Jim_Interp *interp, char *s, int size, void *cookie );
931
932 /* Name Value Pairs Operations */
933 JIM_STATIC Jim_Nvp *JIM_API(Jim_Nvp_name2value_simple)( const Jim_Nvp *nvp_table, const char *name );
934 JIM_STATIC Jim_Nvp *JIM_API(Jim_Nvp_name2value_nocase_simple)( const Jim_Nvp *nvp_table, const char *name );
935 JIM_STATIC Jim_Nvp *JIM_API(Jim_Nvp_value2name_simple)( const Jim_Nvp *nvp_table, int v );
936
937 JIM_STATIC int JIM_API(Jim_Nvp_name2value)( Jim_Interp *interp, const Jim_Nvp *nvp_table, const char *name, Jim_Nvp **result );
938 JIM_STATIC int JIM_API(Jim_Nvp_name2value_nocase)( Jim_Interp *interp, const Jim_Nvp *nvp_table, const char *name, Jim_Nvp **result);
939 JIM_STATIC int JIM_API(Jim_Nvp_value2name)( Jim_Interp *interp, const Jim_Nvp *nvp_table, int value, Jim_Nvp **result );
940
941 JIM_STATIC int JIM_API(Jim_Nvp_name2value_obj)( Jim_Interp *interp, const Jim_Nvp *nvp_table, Jim_Obj *name_obj, Jim_Nvp **result );
942 JIM_STATIC int JIM_API(Jim_Nvp_name2value_obj_nocase)( Jim_Interp *interp, const Jim_Nvp *nvp_table, Jim_Obj *name_obj, Jim_Nvp **result );
943 JIM_STATIC int JIM_API(Jim_Nvp_value2name_obj)( Jim_Interp *interp, const Jim_Nvp *nvp_table, Jim_Obj *value_obj, Jim_Nvp **result );
944
945 /** prints a nice 'unknown' parameter error message to the 'result' */
946 JIM_STATIC void JIM_API(Jim_SetResult_NvpUnknown)( Jim_Interp *interp,
947 Jim_Obj *param_name,
948 Jim_Obj *param_value,
949 const Jim_Nvp *nvp_table );
950
951
952 /** Debug: convert argc/argv into a printable string for printf() debug
953 *
954 * \param interp - the interpeter
955 * \param argc - arg count
956 * \param argv - the objects
957 *
958 * \returns string pointer holding the text.
959 *
960 * Note, next call to this function will free the old (last) string.
961 *
962 * For example might want do this:
963 * \code
964 * fp = fopen("some.file.log", "a" );
965 * fprintf( fp, "PARAMS are: %s\n", Jim_DebugArgvString( interp, argc, argv ) );
966 * fclose(fp);
967 * \endcode
968 */
969 JIM_STATIC const char *JIM_API( Jim_Debug_ArgvString )( Jim_Interp *interp, int argc, Jim_Obj *const *argv );
970
971
972 /** A TCL -ish GetOpt like code.
973 *
974 * Some TCL objects have various "configuration" values.
975 * For example - in Tcl/Tk the "buttons" have many options.
976 *
977 * Usefull when dealing with command options.
978 * that may come in any order...
979 *
980 * Does not support "-foo=123" type options.
981 * Only supports tcl type options, like "-foo 123"
982 */
983
984 typedef struct jim_getopt {
985 Jim_Interp *interp;
986 int argc;
987 Jim_Obj * const * argv;
988 int isconfigure; /* non-zero if configure */
989 } Jim_GetOptInfo;
990
991 /** GetOpt - how to.
992 *
993 * Example (short and incomplete):
994 * \code
995 * Jim_GetOptInfo goi;
996 *
997 * Jim_GetOpt_Setup( &goi, interp, argc, argv );
998 *
999 * while( goi.argc ){
1000 * e = Jim_GetOpt_Nvp( &goi, nvp_options, &n );
1001 * if( e != JIM_OK ){
1002 * Jim_GetOpt_NvpUnknown( &goi, nvp_options, 0 );
1003 * return e;
1004 * }
1005 *
1006 * switch( n->value ){
1007 * case ALIVE:
1008 * printf("Option ALIVE specified\n");
1009 * break;
1010 * case FIRST:
1011 * if( goi.argc < 1 ){
1012 * .. not enough args error ..
1013 * }
1014 * Jim_GetOpt_String( &goi, &cp, NULL );
1015 * printf("FIRSTNAME: %s\n", cp );
1016 * case AGE:
1017 * Jim_GetOpt_Wide( &goi, &w );
1018 * printf("AGE: %d\n", (int)(w) );
1019 * break;
1020 * case POLITICS:
1021 * e = Jim_GetOpt_Nvp( &goi, nvp_politics, &n );
1022 * if( e != JIM_OK ){
1023 * Jim_GetOpt_NvpUnknown( &goi, nvp_politics, 1 );
1024 * return e;
1025 * }
1026 * }
1027 * }
1028 *
1029 * \endcode
1030 *
1031 */
1032
1033 /** Setup GETOPT
1034 *
1035 * \param goi - get opt info to be initialized
1036 * \param interp - jim interp
1037 * \param argc - argc count.
1038 * \param argv - argv (will be copied)
1039 *
1040 * \code
1041 * Jim_GetOptInfo goi;
1042 *
1043 * Jim_GetOptSetup( &goi, interp, argc, argv );
1044 * \endcode
1045 */
1046
1047 JIM_STATIC int JIM_API( Jim_GetOpt_Setup )( Jim_GetOptInfo *goi,
1048 Jim_Interp *interp,
1049 int argc,
1050 Jim_Obj * const * argv );
1051
1052
1053 /** Debug - Dump parameters to stderr
1054 * \param goi - current parameters
1055 */
1056 JIM_STATIC void JIM_API( Jim_GetOpt_Debug )( Jim_GetOptInfo *goi);
1057
1058
1059
1060 /** Remove argv[0] from the list.
1061 *
1062 * \param goi - get opt info
1063 * \param puthere - where param is put
1064 *
1065 */
1066 JIM_STATIC int JIM_API( Jim_GetOpt_Obj)( Jim_GetOptInfo *goi, Jim_Obj **puthere );
1067
1068 /** Remove argv[0] as string.
1069 *
1070 * \param goi - get opt info
1071 * \param puthere - where param is put
1072 */
1073 JIM_STATIC int JIM_API( Jim_GetOpt_String )( Jim_GetOptInfo *goi, char **puthere, int *len );
1074
1075 /** Remove argv[0] as double.
1076 *
1077 * \param goi - get opt info
1078 * \param puthere - where param is put.
1079 *
1080 */
1081 JIM_STATIC int JIM_API( Jim_GetOpt_Double )( Jim_GetOptInfo *goi, double *puthere );
1082
1083 /** Remove argv[0] as wide.
1084 *
1085 * \param goi - get opt info
1086 * \param puthere - where param is put.
1087 */
1088 JIM_STATIC int JIM_API( Jim_GetOpt_Wide )( Jim_GetOptInfo *goi, jim_wide *puthere );
1089
1090 /** Remove argv[0] as NVP.
1091 *
1092 * \param goi - get opt info
1093 * \param lookup - nvp lookup table
1094 * \param puthere - where param is put.
1095 *
1096 */
1097 JIM_STATIC int JIM_API( Jim_GetOpt_Nvp)( Jim_GetOptInfo *goi, const Jim_Nvp *lookup, Jim_Nvp **puthere );
1098
1099 /** Create an appropriate error message for an NVP.
1100 *
1101 * \param goi - options info
1102 * \param lookup - the NVP table that was used.
1103 * \param hadprefix - 0 or 1 if the option had a prefix.
1104 *
1105 * This function will set the "interp->result" to a human readable
1106 * error message listing the available options.
1107 *
1108 * This function assumes the previous option argv[-1] is the unknown string.
1109 *
1110 * If this option had some prefix, then pass "hadprefix=1" else pass "hadprefix=0"
1111 *
1112 * Example:
1113 * \code
1114 *
1115 * while( goi.argc ){
1116 * // Get the next option
1117 * e = Jim_GetOpt_Nvp( &goi, cmd_options, &n );
1118 * if( e != JIM_OK ){
1119 * // option was not recognized
1120 * // pass 'hadprefix=0' because there is no prefix
1121 * Jim_GetOpt_NvpUnknown( &goi, cmd_options, 0 );
1122 * return e;
1123 * }
1124 *
1125 * switch( n->value ){
1126 * case OPT_SEX:
1127 * // handle: --sex male|female|lots|needmore
1128 * e = Jim_GetOpt_Nvp( &goi, &nvp_sex, &n );
1129 * if( e != JIM_OK ){
1130 * Jim_GetOpt_NvpUnknown( &ogi, nvp_sex, 1 );
1131 * return e;
1132 * }
1133 * printf("Code: (%d) is %s\n", n->value, n->name );
1134 * break;
1135 * case ...:
1136 * [snip]
1137 * }
1138 * }
1139 * \endcode
1140 *
1141 */
1142 JIM_STATIC void JIM_API( Jim_GetOpt_NvpUnknown)( Jim_GetOptInfo *goi, const Jim_Nvp *lookup, int hadprefix );
1143
1144
1145 /** Remove argv[0] as Enum
1146 *
1147 * \param goi - get opt info
1148 * \param lookup - lookup table.
1149 * \param puthere - where param is put.
1150 *
1151 */
1152 JIM_STATIC int JIM_API( Jim_GetOpt_Enum)( Jim_GetOptInfo *goi, const char * const * lookup, int *puthere );
1153
1154
1155 #undef JIM_STATIC
1156 #undef JIM_API
1157
1158 #ifndef __JIM_CORE__
1159
1160 #define JIM_GET_API(name) \
1161 Jim_GetApi(interp, "Jim_" #name, ((void *)&Jim_ ## name))
1162
1163 #if defined JIM_EXTENSION || defined JIM_EMBEDDED
1164 /* This must be included "inline" inside the extension */
1165 static void Jim_InitExtension(Jim_Interp *interp)
1166 {
1167 Jim_GetApi = interp->getApiFuncPtr;
1168
1169 JIM_GET_API(Alloc);
1170 JIM_GET_API(Free);
1171 JIM_GET_API(Eval);
1172 JIM_GET_API(EvalGlobal);
1173 JIM_GET_API(EvalFile);
1174 JIM_GET_API(EvalObj);
1175 JIM_GET_API(EvalObjBackground);
1176 JIM_GET_API(EvalObjVector);
1177 JIM_GET_API(InitHashTable);
1178 JIM_GET_API(ExpandHashTable);
1179 JIM_GET_API(AddHashEntry);
1180 JIM_GET_API(ReplaceHashEntry);
1181 JIM_GET_API(DeleteHashEntry);
1182 JIM_GET_API(FreeHashTable);
1183 JIM_GET_API(FindHashEntry);
1184 JIM_GET_API(ResizeHashTable);
1185 JIM_GET_API(GetHashTableIterator);
1186 JIM_GET_API(NextHashEntry);
1187 JIM_GET_API(NewObj);
1188 JIM_GET_API(FreeObj);
1189 JIM_GET_API(InvalidateStringRep);
1190 JIM_GET_API(InitStringRep);
1191 JIM_GET_API(DuplicateObj);
1192 JIM_GET_API(GetString);
1193 JIM_GET_API(Length);
1194 JIM_GET_API(InvalidateStringRep);
1195 JIM_GET_API(NewStringObj);
1196 JIM_GET_API(NewStringObjNoAlloc);
1197 JIM_GET_API(AppendString);
1198 JIM_GET_API(AppendObj);
1199 JIM_GET_API(AppendStrings);
1200 JIM_GET_API(StringEqObj);
1201 JIM_GET_API(StringMatchObj);
1202 JIM_GET_API(StringRangeObj);
1203 JIM_GET_API(FormatString);
1204 JIM_GET_API(ScanString);
1205 JIM_GET_API(CompareStringImmediate);
1206 JIM_GET_API(NewReference);
1207 JIM_GET_API(GetReference);
1208 JIM_GET_API(SetFinalizer);
1209 JIM_GET_API(GetFinalizer);
1210 JIM_GET_API(CreateInterp);
1211 JIM_GET_API(FreeInterp);
1212 JIM_GET_API(GetExitCode);
1213 JIM_GET_API(SetStdin);
1214 JIM_GET_API(SetStdout);
1215 JIM_GET_API(SetStderr);
1216 JIM_GET_API(CreateCommand);
1217 JIM_GET_API(CreateProcedure);
1218 JIM_GET_API(DeleteCommand);
1219 JIM_GET_API(RenameCommand);
1220 JIM_GET_API(GetCommand);
1221 JIM_GET_API(SetVariable);
1222 JIM_GET_API(SetVariableStr);
1223 JIM_GET_API(SetGlobalVariableStr);
1224 JIM_GET_API(SetVariableStrWithStr);
1225 JIM_GET_API(SetVariableLink);
1226 JIM_GET_API(GetVariable);
1227 JIM_GET_API(GetCallFrameByLevel);
1228 JIM_GET_API(Collect);
1229 JIM_GET_API(CollectIfNeeded);
1230 JIM_GET_API(GetIndex);
1231 JIM_GET_API(NewListObj);
1232 JIM_GET_API(ListInsertElements);
1233 JIM_GET_API(ListAppendElement);
1234 JIM_GET_API(ListAppendList);
1235 JIM_GET_API(ListLength);
1236 JIM_GET_API(ListIndex);
1237 JIM_GET_API(SetListIndex);
1238 JIM_GET_API(ConcatObj);
1239 JIM_GET_API(NewDictObj);
1240 JIM_GET_API(DictKey);
1241 JIM_GET_API(DictKeysVector);
1242 JIM_GET_API(GetIndex);
1243 JIM_GET_API(GetReturnCode);
1244 JIM_GET_API(EvalExpression);
1245 JIM_GET_API(GetBoolFromExpr);
1246 JIM_GET_API(GetWide);
1247 JIM_GET_API(GetLong);
1248 JIM_GET_API(SetWide);
1249 JIM_GET_API(NewIntObj);
1250 JIM_GET_API(GetDouble);
1251 JIM_GET_API(SetDouble);
1252 JIM_GET_API(NewDoubleObj);
1253 JIM_GET_API(WrongNumArgs);
1254 JIM_GET_API(SetDictKeysVector);
1255 JIM_GET_API(SubstObj);
1256 JIM_GET_API(RegisterApi);
1257 JIM_GET_API(PrintErrorMessage);
1258 JIM_GET_API(InteractivePrompt);
1259 JIM_GET_API(RegisterCoreCommands);
1260 JIM_GET_API(GetSharedString);
1261 JIM_GET_API(ReleaseSharedString);
1262 JIM_GET_API(Panic);
1263 JIM_GET_API(StrDup);
1264 JIM_GET_API(UnsetVariable);
1265 JIM_GET_API(GetVariableStr);
1266 JIM_GET_API(GetGlobalVariable);
1267 JIM_GET_API(GetGlobalVariableStr);
1268 JIM_GET_API(GetAssocData);
1269 JIM_GET_API(SetAssocData);
1270 JIM_GET_API(DeleteAssocData);
1271 JIM_GET_API(GetEnum);
1272 JIM_GET_API(GetNvp);
1273 JIM_GET_API(ScriptIsComplete);
1274 JIM_GET_API(PackageProvide);
1275 JIM_GET_API(PackageRequire);
1276 JIM_GET_API(InitStack);
1277 JIM_GET_API(FreeStack);
1278 JIM_GET_API(StackLen);
1279 JIM_GET_API(StackPush);
1280 JIM_GET_API(StackPop);
1281 JIM_GET_API(StackPeek);
1282 JIM_GET_API(FreeStackElements);
1283 JIM_GET_API(fprintf );
1284 JIM_GET_API(vfprintf );
1285 JIM_GET_API(fwrite );
1286 JIM_GET_API(fread );
1287 JIM_GET_API(fflush );
1288 JIM_GET_API(fgets );
1289 JIM_GET_API(Nvp_name2value);
1290 JIM_GET_API(Nvp_name2value_nocase);
1291 JIM_GET_API(Nvp_name2value_simple);
1292
1293 JIM_GET_API(Nvp_value2name);
1294 JIM_GET_API(Nvp_value2name_simple);
1295
1296
1297 JIM_GET_API(Nvp_name2value_obj);
1298 JIM_GET_API(Nvp_value2name_obj);
1299 JIM_GET_API(Nvp_name2value_obj_nocase);
1300
1301 JIM_GET_API(GetOpt_Setup);
1302 JIM_GET_API(GetOpt_Obj);
1303 JIM_GET_API(GetOpt_String);
1304 JIM_GET_API(GetOpt_Double);
1305 JIM_GET_API(GetOpt_Wide);
1306 JIM_GET_API(GetOpt_Nvp);
1307 JIM_GET_API(GetOpt_NvpUnknown);
1308 JIM_GET_API(GetOpt_Enum);
1309 JIM_GET_API(GetOpt_Debug);
1310 JIM_GET_API(SetResult_sprintf);
1311 JIM_GET_API(SetResult_NvpUnknown);
1312 JIM_GET_API(Debug_ArgvString);
1313 }
1314 #endif /* defined JIM_EXTENSION || defined JIM_EMBEDDED */
1315
1316 #undef JIM_GET_API
1317
1318 #ifdef JIM_EMBEDDED
1319 Jim_Interp *ExportedJimCreateInterp(void);
1320 static __inline__ void Jim_InitEmbedded(void) {
1321 Jim_Interp *i = ExportedJimCreateInterp();
1322 Jim_InitExtension(i);
1323 Jim_FreeInterp(i);
1324 }
1325 #endif /* JIM_EMBEDDED */
1326 #endif /* __JIM_CORE__ */
1327
1328 #ifdef __cplusplus
1329 }
1330 #endif
1331
1332 #endif /* __JIM__H */
1333
1334
1335 /*
1336 * Local Variables: ***
1337 * c-basic-offset: 4 ***
1338 * tab-width: 4 ***
1339 * End: ***
1340 */
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