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1/*
2 * Symisc JX9: A Highly Efficient Embeddable Scripting Engine Based on JSON.
3 * Copyright (C) 2012-2013, Symisc Systems http://jx9.symisc.net/
4 * Version 1.7.2
5 * For information on licensing, redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES
6 * please contact Symisc Systems via:
7 * legal@symisc.net
8 * licensing@symisc.net
9 * contact@symisc.net
10 * or visit:
11 * http://jx9.symisc.net/
12 */
13 /* $SymiscID: jx9Int.h v1.9 FreeBSD 2012-08-13 23:25 devel <chm@symisc.net> $ */
14#ifndef __JX9INT_H__
15#define __JX9INT_H__
16/* Internal interface definitions for JX9. */
17#ifdef JX9_AMALGAMATION
18#ifndef JX9_PRIVATE
19/* Marker for routines not intended for external use */
20#define JX9_PRIVATE static
21#endif /* JX9_PRIVATE */
22#else
23#define JX9_PRIVATE
24#include "jx9.h"
25#endif
26#ifndef JX9_PI
27/* Value of PI */
28#define JX9_PI 3.1415926535898
29#endif
30/*
31 * Constants for the largest and smallest possible 64-bit signed integers.
32 * These macros are designed to work correctly on both 32-bit and 64-bit
33 * compilers.
34 */
35#ifndef LARGEST_INT64
36#define LARGEST_INT64 (0xffffffff|(((sxi64)0x7fffffff)<<32))
37#endif
38#ifndef SMALLEST_INT64
39#define SMALLEST_INT64 (((sxi64)-1) - LARGEST_INT64)
40#endif
41/* Forward declaration of private structures */
42typedef struct jx9_foreach_info jx9_foreach_info;
43typedef struct jx9_foreach_step jx9_foreach_step;
44typedef struct jx9_hashmap_node jx9_hashmap_node;
45typedef struct jx9_hashmap jx9_hashmap;
46/* Symisc Standard types */
47#if !defined(SYMISC_STD_TYPES)
48#define SYMISC_STD_TYPES
49#ifdef __WINNT__
50/* Disable nuisance warnings on Borland compilers */
51#if defined(__BORLANDC__)
52#pragma warn -rch /* unreachable code */
53#pragma warn -ccc /* Condition is always true or false */
54#pragma warn -aus /* Assigned value is never used */
55#pragma warn -csu /* Comparing signed and unsigned */
56#pragma warn -spa /* Suspicious pointer arithmetic */
57#endif
58#endif
59typedef signed char sxi8; /* signed char */
60typedef unsigned char sxu8; /* unsigned char */
61typedef signed short int sxi16; /* 16 bits(2 bytes) signed integer */
62typedef unsigned short int sxu16; /* 16 bits(2 bytes) unsigned integer */
63typedef int sxi32; /* 32 bits(4 bytes) integer */
64typedef unsigned int sxu32; /* 32 bits(4 bytes) unsigned integer */
65typedef long sxptr;
66typedef unsigned long sxuptr;
67typedef long sxlong;
68typedef unsigned long sxulong;
69typedef sxi32 sxofft;
70typedef sxi64 sxofft64;
71typedef long double sxlongreal;
72typedef double sxreal;
73#define SXI8_HIGH 0x7F
74#define SXU8_HIGH 0xFF
75#define SXI16_HIGH 0x7FFF
76#define SXU16_HIGH 0xFFFF
77#define SXI32_HIGH 0x7FFFFFFF
78#define SXU32_HIGH 0xFFFFFFFF
79#define SXI64_HIGH 0x7FFFFFFFFFFFFFFF
80#define SXU64_HIGH 0xFFFFFFFFFFFFFFFF
81#if !defined(TRUE)
82#define TRUE 1
83#endif
84#if !defined(FALSE)
85#define FALSE 0
86#endif
87/*
88 * The following macros are used to cast pointers to integers and
89 * integers to pointers.
90 */
91#if defined(__PTRDIFF_TYPE__)
92# define SX_INT_TO_PTR(X) ((void*)(__PTRDIFF_TYPE__)(X))
93# define SX_PTR_TO_INT(X) ((int)(__PTRDIFF_TYPE__)(X))
94#elif !defined(__GNUC__)
95# define SX_INT_TO_PTR(X) ((void*)&((char*)0)[X])
96# define SX_PTR_TO_INT(X) ((int)(((char*)X)-(char*)0))
97#else
98# define SX_INT_TO_PTR(X) ((void*)(X))
99# define SX_PTR_TO_INT(X) ((int)(X))
100#endif
101#define SXMIN(a, b) ((a < b) ? (a) : (b))
102#define SXMAX(a, b) ((a < b) ? (b) : (a))
103#endif /* SYMISC_STD_TYPES */
104/* Symisc Run-time API private definitions */
105#if !defined(SYMISC_PRIVATE_DEFS)
106#define SYMISC_PRIVATE_DEFS
107
108typedef sxi32 (*ProcRawStrCmp)(const SyString *, const SyString *);
109#define SyStringData(RAW) ((RAW)->zString)
110#define SyStringLength(RAW) ((RAW)->nByte)
111#define SyStringInitFromBuf(RAW, ZBUF, NLEN){\
112 (RAW)->zString = (const char *)ZBUF;\
113 (RAW)->nByte = (sxu32)(NLEN);\
114}
115#define SyStringUpdatePtr(RAW, NBYTES){\
116 if( NBYTES > (RAW)->nByte ){\
117 (RAW)->nByte = 0;\
118 }else{\
119 (RAW)->zString += NBYTES;\
120 (RAW)->nByte -= NBYTES;\
121 }\
122}
123#define SyStringDupPtr(RAW1, RAW2)\
124 (RAW1)->zString = (RAW2)->zString;\
125 (RAW1)->nByte = (RAW2)->nByte;
126
127#define SyStringTrimLeadingChar(RAW, CHAR)\
128 while((RAW)->nByte > 0 && (RAW)->zString[0] == CHAR ){\
129 (RAW)->zString++;\
130 (RAW)->nByte--;\
131 }
132#define SyStringTrimTrailingChar(RAW, CHAR)\
133 while((RAW)->nByte > 0 && (RAW)->zString[(RAW)->nByte - 1] == CHAR){\
134 (RAW)->nByte--;\
135 }
136#define SyStringCmp(RAW1, RAW2, xCMP)\
137 (((RAW1)->nByte == (RAW2)->nByte) ? xCMP((RAW1)->zString, (RAW2)->zString, (RAW2)->nByte) : (sxi32)((RAW1)->nByte - (RAW2)->nByte))
138
139#define SyStringCmp2(RAW1, RAW2, xCMP)\
140 (((RAW1)->nByte >= (RAW2)->nByte) ? xCMP((RAW1)->zString, (RAW2)->zString, (RAW2)->nByte) : (sxi32)((RAW2)->nByte - (RAW1)->nByte))
141
142#define SyStringCharCmp(RAW, CHAR) \
143 (((RAW)->nByte == sizeof(char)) ? ((RAW)->zString[0] == CHAR ? 0 : CHAR - (RAW)->zString[0]) : ((RAW)->zString[0] == CHAR ? 0 : (RAW)->nByte - sizeof(char)))
144
145#define SX_ADDR(PTR) ((sxptr)PTR)
146#define SX_ARRAYSIZE(X) (sizeof(X)/sizeof(X[0]))
147#define SXUNUSED(P) (P = 0)
148#define SX_EMPTY(PTR) (PTR == 0)
149#define SX_EMPTY_STR(STR) (STR == 0 || STR[0] == 0 )
150typedef struct SyMemBackend SyMemBackend;
151typedef struct SyBlob SyBlob;
152typedef struct SySet SySet;
153/* Standard function signatures */
154typedef sxi32 (*ProcCmp)(const void *, const void *, sxu32);
155typedef sxi32 (*ProcPatternMatch)(const char *, sxu32, const char *, sxu32, sxu32 *);
156typedef sxi32 (*ProcSearch)(const void *, sxu32, const void *, sxu32, ProcCmp, sxu32 *);
157typedef sxu32 (*ProcHash)(const void *, sxu32);
158typedef sxi32 (*ProcHashSum)(const void *, sxu32, unsigned char *, sxu32);
159typedef sxi32 (*ProcSort)(void *, sxu32, sxu32, ProcCmp);
160#define MACRO_LIST_PUSH(Head, Item)\
161 Item->pNext = Head;\
162 Head = Item;
163#define MACRO_LD_PUSH(Head, Item)\
164 if( Head == 0 ){\
165 Head = Item;\
166 }else{\
167 Item->pNext = Head;\
168 Head->pPrev = Item;\
169 Head = Item;\
170 }
171#define MACRO_LD_REMOVE(Head, Item)\
172 if( Head == Item ){\
173 Head = Head->pNext;\
174 }\
175 if( Item->pPrev ){ Item->pPrev->pNext = Item->pNext;}\
176 if( Item->pNext ){ Item->pNext->pPrev = Item->pPrev;}
177/*
178 * A generic dynamic set.
179 */
180struct SySet
181{
182 SyMemBackend *pAllocator; /* Memory backend */
183 void *pBase; /* Base pointer */
184 sxu32 nUsed; /* Total number of used slots */
185 sxu32 nSize; /* Total number of available slots */
186 sxu32 eSize; /* Size of a single slot */
187 sxu32 nCursor; /* Loop cursor */
188 void *pUserData; /* User private data associated with this container */
189};
190#define SySetBasePtr(S) ((S)->pBase)
191#define SySetBasePtrJump(S, OFFT) (&((char *)(S)->pBase)[OFFT*(S)->eSize])
192#define SySetUsed(S) ((S)->nUsed)
193#define SySetSize(S) ((S)->nSize)
194#define SySetElemSize(S) ((S)->eSize)
195#define SySetCursor(S) ((S)->nCursor)
196#define SySetGetAllocator(S) ((S)->pAllocator)
197#define SySetSetUserData(S, DATA) ((S)->pUserData = DATA)
198#define SySetGetUserData(S) ((S)->pUserData)
199/*
200 * A variable length containers for generic data.
201 */
202struct SyBlob
203{
204 SyMemBackend *pAllocator; /* Memory backend */
205 void *pBlob; /* Base pointer */
206 sxu32 nByte; /* Total number of used bytes */
207 sxu32 mByte; /* Total number of available bytes */
208 sxu32 nFlags; /* Blob internal flags, see below */
209};
210#define SXBLOB_LOCKED 0x01 /* Blob is locked [i.e: Cannot auto grow] */
211#define SXBLOB_STATIC 0x02 /* Not allocated from heap */
212#define SXBLOB_RDONLY 0x04 /* Read-Only data */
213
214#define SyBlobFreeSpace(BLOB) ((BLOB)->mByte - (BLOB)->nByte)
215#define SyBlobLength(BLOB) ((BLOB)->nByte)
216#define SyBlobData(BLOB) ((BLOB)->pBlob)
217#define SyBlobCurData(BLOB) ((void*)(&((char*)(BLOB)->pBlob)[(BLOB)->nByte]))
218#define SyBlobDataAt(BLOB, OFFT) ((void *)(&((char *)(BLOB)->pBlob)[OFFT]))
219#define SyBlobGetAllocator(BLOB) ((BLOB)->pAllocator)
220
221#define SXMEM_POOL_INCR 3
222#define SXMEM_POOL_NBUCKETS 12
223#define SXMEM_BACKEND_MAGIC 0xBAC3E67D
224#define SXMEM_BACKEND_CORRUPT(BACKEND) (BACKEND == 0 || BACKEND->nMagic != SXMEM_BACKEND_MAGIC)
225
226#define SXMEM_BACKEND_RETRY 3
227/* A memory backend subsystem is defined by an instance of the following structures */
228typedef union SyMemHeader SyMemHeader;
229typedef struct SyMemBlock SyMemBlock;
230struct SyMemBlock
231{
232 SyMemBlock *pNext, *pPrev; /* Chain of allocated memory blocks */
233#ifdef UNTRUST
234 sxu32 nGuard; /* magic number associated with each valid block, so we
235 * can detect misuse.
236 */
237#endif
238};
239/*
240 * Header associated with each valid memory pool block.
241 */
242union SyMemHeader
243{
244 SyMemHeader *pNext; /* Next chunk of size 1 << (nBucket + SXMEM_POOL_INCR) in the list */
245 sxu32 nBucket; /* Bucket index in aPool[] */
246};
247struct SyMemBackend
248{
249 const SyMutexMethods *pMutexMethods; /* Mutex methods */
250 const SyMemMethods *pMethods; /* Memory allocation methods */
251 SyMemBlock *pBlocks; /* List of valid memory blocks */
252 sxu32 nBlock; /* Total number of memory blocks allocated so far */
253 ProcMemError xMemError; /* Out-of memory callback */
254 void *pUserData; /* First arg to xMemError() */
255 SyMutex *pMutex; /* Per instance mutex */
256 sxu32 nMagic; /* Sanity check against misuse */
257 SyMemHeader *apPool[SXMEM_POOL_NBUCKETS+SXMEM_POOL_INCR]; /* Pool of memory chunks */
258};
259/* Mutex types */
260#define SXMUTEX_TYPE_FAST 1
261#define SXMUTEX_TYPE_RECURSIVE 2
262#define SXMUTEX_TYPE_STATIC_1 3
263#define SXMUTEX_TYPE_STATIC_2 4
264#define SXMUTEX_TYPE_STATIC_3 5
265#define SXMUTEX_TYPE_STATIC_4 6
266#define SXMUTEX_TYPE_STATIC_5 7
267#define SXMUTEX_TYPE_STATIC_6 8
268
269#define SyMutexGlobalInit(METHOD){\
270 if( (METHOD)->xGlobalInit ){\
271 (METHOD)->xGlobalInit();\
272 }\
273}
274#define SyMutexGlobalRelease(METHOD){\
275 if( (METHOD)->xGlobalRelease ){\
276 (METHOD)->xGlobalRelease();\
277 }\
278}
279#define SyMutexNew(METHOD, TYPE) (METHOD)->xNew(TYPE)
280#define SyMutexRelease(METHOD, MUTEX){\
281 if( MUTEX && (METHOD)->xRelease ){\
282 (METHOD)->xRelease(MUTEX);\
283 }\
284}
285#define SyMutexEnter(METHOD, MUTEX){\
286 if( MUTEX ){\
287 (METHOD)->xEnter(MUTEX);\
288 }\
289}
290#define SyMutexTryEnter(METHOD, MUTEX){\
291 if( MUTEX && (METHOD)->xTryEnter ){\
292 (METHOD)->xTryEnter(MUTEX);\
293 }\
294}
295#define SyMutexLeave(METHOD, MUTEX){\
296 if( MUTEX ){\
297 (METHOD)->xLeave(MUTEX);\
298 }\
299}
300/* Comparison, byte swap, byte copy macros */
301#define SX_MACRO_FAST_CMP(X1, X2, SIZE, RC){\
302 register unsigned char *r1 = (unsigned char *)X1;\
303 register unsigned char *r2 = (unsigned char *)X2;\
304 register sxu32 LEN = SIZE;\
305 for(;;){\
306 if( !LEN ){ break; }if( r1[0] != r2[0] ){ break; } r1++; r2++; LEN--;\
307 if( !LEN ){ break; }if( r1[0] != r2[0] ){ break; } r1++; r2++; LEN--;\
308 if( !LEN ){ break; }if( r1[0] != r2[0] ){ break; } r1++; r2++; LEN--;\
309 if( !LEN ){ break; }if( r1[0] != r2[0] ){ break; } r1++; r2++; LEN--;\
310 }\
311 RC = !LEN ? 0 : r1[0] - r2[0];\
312}
313#define SX_MACRO_FAST_MEMCPY(SRC, DST, SIZ){\
314 register unsigned char *xSrc = (unsigned char *)SRC;\
315 register unsigned char *xDst = (unsigned char *)DST;\
316 register sxu32 xLen = SIZ;\
317 for(;;){\
318 if( !xLen ){ break; }xDst[0] = xSrc[0]; xDst++; xSrc++; --xLen;\
319 if( !xLen ){ break; }xDst[0] = xSrc[0]; xDst++; xSrc++; --xLen;\
320 if( !xLen ){ break; }xDst[0] = xSrc[0]; xDst++; xSrc++; --xLen;\
321 if( !xLen ){ break; }xDst[0] = xSrc[0]; xDst++; xSrc++; --xLen;\
322 }\
323}
324#define SX_MACRO_BYTE_SWAP(X, Y, Z){\
325 register unsigned char *s = (unsigned char *)X;\
326 register unsigned char *d = (unsigned char *)Y;\
327 sxu32 ZLong = Z; \
328 sxi32 c; \
329 for(;;){\
330 if(!ZLong){ break; } c = s[0] ; s[0] = d[0]; d[0] = (unsigned char)c; s++; d++; --ZLong;\
331 if(!ZLong){ break; } c = s[0] ; s[0] = d[0]; d[0] = (unsigned char)c; s++; d++; --ZLong;\
332 if(!ZLong){ break; } c = s[0] ; s[0] = d[0]; d[0] = (unsigned char)c; s++; d++; --ZLong;\
333 if(!ZLong){ break; } c = s[0] ; s[0] = d[0]; d[0] = (unsigned char)c; s++; d++; --ZLong;\
334 }\
335}
336#define SX_MSEC_PER_SEC (1000) /* Millisec per seconds */
337#define SX_USEC_PER_SEC (1000000) /* Microsec per seconds */
338#define SX_NSEC_PER_SEC (1000000000) /* Nanosec per seconds */
339#endif /* SYMISC_PRIVATE_DEFS */
340/* Symisc Run-time API auxiliary definitions */
341#if !defined(SYMISC_PRIVATE_AUX_DEFS)
342#define SYMISC_PRIVATE_AUX_DEFS
343
344typedef struct SyHashEntry_Pr SyHashEntry_Pr;
345typedef struct SyHashEntry SyHashEntry;
346typedef struct SyHash SyHash;
347/*
348 * Each public hashtable entry is represented by an instance
349 * of the following structure.
350 */
351struct SyHashEntry
352{
353 const void *pKey; /* Hash key */
354 sxu32 nKeyLen; /* Key length */
355 void *pUserData; /* User private data */
356};
357#define SyHashEntryGetUserData(ENTRY) ((ENTRY)->pUserData)
358#define SyHashEntryGetKey(ENTRY) ((ENTRY)->pKey)
359/* Each active hashtable is identified by an instance of the following structure */
360struct SyHash
361{
362 SyMemBackend *pAllocator; /* Memory backend */
363 ProcHash xHash; /* Hash function */
364 ProcCmp xCmp; /* Comparison function */
365 SyHashEntry_Pr *pList, *pCurrent; /* Linked list of hash entries user for linear traversal */
366 sxu32 nEntry; /* Total number of entries */
367 SyHashEntry_Pr **apBucket; /* Hash buckets */
368 sxu32 nBucketSize; /* Current bucket size */
369};
370#define SXHASH_BUCKET_SIZE 16 /* Initial bucket size: must be a power of two */
371#define SXHASH_FILL_FACTOR 3
372/* Hash access macro */
373#define SyHashFunc(HASH) ((HASH)->xHash)
374#define SyHashCmpFunc(HASH) ((HASH)->xCmp)
375#define SyHashTotalEntry(HASH) ((HASH)->nEntry)
376#define SyHashGetPool(HASH) ((HASH)->pAllocator)
377/*
378 * An instance of the following structure define a single context
379 * for an Pseudo Random Number Generator.
380 *
381 * Nothing in this file or anywhere else in the library does any kind of
382 * encryption. The RC4 algorithm is being used as a PRNG (pseudo-random
383 * number generator) not as an encryption device.
384 * This implementation is taken from the SQLite3 source tree.
385 */
386typedef struct SyPRNGCtx SyPRNGCtx;
387struct SyPRNGCtx
388{
389 sxu8 i, j; /* State variables */
390 unsigned char s[256]; /* State variables */
391 sxu16 nMagic; /* Sanity check */
392 };
393typedef sxi32 (*ProcRandomSeed)(void *, unsigned int, void *);
394/* High resolution timer.*/
395typedef struct sytime sytime;
396struct sytime
397{
398 long tm_sec; /* seconds */
399 long tm_usec; /* microseconds */
400};
401/* Forward declaration */
402typedef struct SyStream SyStream;
403typedef struct SyToken SyToken;
404typedef struct SyLex SyLex;
405/*
406 * Tokenizer callback signature.
407 */
408typedef sxi32 (*ProcTokenizer)(SyStream *, SyToken *, void *, void *);
409/*
410 * Each token in the input is represented by an instance
411 * of the following structure.
412 */
413struct SyToken
414{
415 SyString sData; /* Token text and length */
416 sxu32 nType; /* Token type */
417 sxu32 nLine; /* Token line number */
418 void *pUserData; /* User private data associated with this token */
419};
420/*
421 * During tokenization, information about the state of the input
422 * stream is held in an instance of the following structure.
423 */
424struct SyStream
425{
426 const unsigned char *zInput; /* Complete text of the input */
427 const unsigned char *zText; /* Current input we are processing */
428 const unsigned char *zEnd; /* End of input marker */
429 sxu32 nLine; /* Total number of processed lines */
430 sxu32 nIgn; /* Total number of ignored tokens */
431 SySet *pSet; /* Token containers */
432};
433/*
434 * Each lexer is represented by an instance of the following structure.
435 */
436struct SyLex
437{
438 SyStream sStream; /* Input stream */
439 ProcTokenizer xTokenizer; /* Tokenizer callback */
440 void * pUserData; /* Third argument to xTokenizer() */
441 SySet *pTokenSet; /* Token set */
442};
443#define SyLexTotalToken(LEX) SySetTotalEntry(&(LEX)->aTokenSet)
444#define SyLexTotalLines(LEX) ((LEX)->sStream.nLine)
445#define SyLexTotalIgnored(LEX) ((LEX)->sStream.nIgn)
446#define XLEX_IN_LEN(STREAM) (sxu32)(STREAM->zEnd - STREAM->zText)
447#endif /* SYMISC_PRIVATE_AUX_DEFS */
448/*
449** Notes on UTF-8 (According to SQLite3 authors):
450**
451** Byte-0 Byte-1 Byte-2 Byte-3 Value
452** 0xxxxxxx 00000000 00000000 0xxxxxxx
453** 110yyyyy 10xxxxxx 00000000 00000yyy yyxxxxxx
454** 1110zzzz 10yyyyyy 10xxxxxx 00000000 zzzzyyyy yyxxxxxx
455** 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx 000uuuuu zzzzyyyy yyxxxxxx
456**
457*/
458/*
459** Assuming zIn points to the first byte of a UTF-8 character,
460** advance zIn to point to the first byte of the next UTF-8 character.
461*/
462#define SX_JMP_UTF8(zIn, zEnd)\
463 while(zIn < zEnd && (((unsigned char)zIn[0] & 0xc0) == 0x80) ){ zIn++; }
464#define SX_WRITE_UTF8(zOut, c) { \
465 if( c<0x00080 ){ \
466 *zOut++ = (sxu8)(c&0xFF); \
467 }else if( c<0x00800 ){ \
468 *zOut++ = 0xC0 + (sxu8)((c>>6)&0x1F); \
469 *zOut++ = 0x80 + (sxu8)(c & 0x3F); \
470 }else if( c<0x10000 ){ \
471 *zOut++ = 0xE0 + (sxu8)((c>>12)&0x0F); \
472 *zOut++ = 0x80 + (sxu8)((c>>6) & 0x3F); \
473 *zOut++ = 0x80 + (sxu8)(c & 0x3F); \
474 }else{ \
475 *zOut++ = 0xF0 + (sxu8)((c>>18) & 0x07); \
476 *zOut++ = 0x80 + (sxu8)((c>>12) & 0x3F); \
477 *zOut++ = 0x80 + (sxu8)((c>>6) & 0x3F); \
478 *zOut++ = 0x80 + (sxu8)(c & 0x3F); \
479 } \
480}
481/* Rely on the standard ctype */
482#include <ctype.h>
483#define SyToUpper(c) toupper(c)
484#define SyToLower(c) tolower(c)
485#define SyisUpper(c) isupper(c)
486#define SyisLower(c) islower(c)
487#define SyisSpace(c) isspace(c)
488#define SyisBlank(c) isspace(c)
489#define SyisAlpha(c) isalpha(c)
490#define SyisDigit(c) isdigit(c)
491#define SyisHex(c) isxdigit(c)
492#define SyisPrint(c) isprint(c)
493#define SyisPunct(c) ispunct(c)
494#define SyisSpec(c) iscntrl(c)
495#define SyisCtrl(c) iscntrl(c)
496#define SyisAscii(c) isascii(c)
497#define SyisAlphaNum(c) isalnum(c)
498#define SyisGraph(c) isgraph(c)
499#define SyDigToHex(c) "0123456789ABCDEF"[c & 0x0F]
500#define SyDigToInt(c) ((c < 0xc0 && SyisDigit(c))? (c - '0') : 0 )
501#define SyCharToUpper(c) ((c < 0xc0 && SyisLower(c))? SyToUpper(c) : c)
502#define SyCharToLower(c) ((c < 0xc0 && SyisUpper(c))? SyToLower(c) : c)
503/* Remove white space/NUL byte from a raw string */
504#define SyStringLeftTrim(RAW)\
505 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[0] < 0xc0 && SyisSpace((RAW)->zString[0])){\
506 (RAW)->nByte--;\
507 (RAW)->zString++;\
508 }
509#define SyStringLeftTrimSafe(RAW)\
510 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[0] < 0xc0 && ((RAW)->zString[0] == 0 || SyisSpace((RAW)->zString[0]))){\
511 (RAW)->nByte--;\
512 (RAW)->zString++;\
513 }
514#define SyStringRightTrim(RAW)\
515 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[(RAW)->nByte - 1] < 0xc0 && SyisSpace((RAW)->zString[(RAW)->nByte - 1])){\
516 (RAW)->nByte--;\
517 }
518#define SyStringRightTrimSafe(RAW)\
519 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[(RAW)->nByte - 1] < 0xc0 && \
520 (( RAW)->zString[(RAW)->nByte - 1] == 0 || SyisSpace((RAW)->zString[(RAW)->nByte - 1]))){\
521 (RAW)->nByte--;\
522 }
523
524#define SyStringFullTrim(RAW)\
525 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[0] < 0xc0 && SyisSpace((RAW)->zString[0])){\
526 (RAW)->nByte--;\
527 (RAW)->zString++;\
528 }\
529 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[(RAW)->nByte - 1] < 0xc0 && SyisSpace((RAW)->zString[(RAW)->nByte - 1])){\
530 (RAW)->nByte--;\
531 }
532#define SyStringFullTrimSafe(RAW)\
533 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[0] < 0xc0 && \
534 ( (RAW)->zString[0] == 0 || SyisSpace((RAW)->zString[0]))){\
535 (RAW)->nByte--;\
536 (RAW)->zString++;\
537 }\
538 while((RAW)->nByte > 0 && (unsigned char)(RAW)->zString[(RAW)->nByte - 1] < 0xc0 && \
539 ( (RAW)->zString[(RAW)->nByte - 1] == 0 || SyisSpace((RAW)->zString[(RAW)->nByte - 1]))){\
540 (RAW)->nByte--;\
541 }
542#ifndef JX9_DISABLE_BUILTIN_FUNC
543/*
544 * An XML raw text, CDATA, tag name and son is parsed out and stored
545 * in an instance of the following structure.
546 */
547typedef struct SyXMLRawStr SyXMLRawStr;
548struct SyXMLRawStr
549{
550 const char *zString; /* Raw text [UTF-8 ENCODED EXCEPT CDATA] [NOT NULL TERMINATED] */
551 sxu32 nByte; /* Text length */
552 sxu32 nLine; /* Line number this text occurs */
553};
554/*
555 * Event callback signatures.
556 */
557typedef sxi32 (*ProcXMLStartTagHandler)(SyXMLRawStr *, SyXMLRawStr *, sxu32, SyXMLRawStr *, void *);
558typedef sxi32 (*ProcXMLTextHandler)(SyXMLRawStr *, void *);
559typedef sxi32 (*ProcXMLEndTagHandler)(SyXMLRawStr *, SyXMLRawStr *, void *);
560typedef sxi32 (*ProcXMLPIHandler)(SyXMLRawStr *, SyXMLRawStr *, void *);
561typedef sxi32 (*ProcXMLDoctypeHandler)(SyXMLRawStr *, void *);
562typedef sxi32 (*ProcXMLSyntaxErrorHandler)(const char *, int, SyToken *, void *);
563typedef sxi32 (*ProcXMLStartDocument)(void *);
564typedef sxi32 (*ProcXMLNameSpaceStart)(SyXMLRawStr *, SyXMLRawStr *, void *);
565typedef sxi32 (*ProcXMLNameSpaceEnd)(SyXMLRawStr *, void *);
566typedef sxi32 (*ProcXMLEndDocument)(void *);
567/* XML processing control flags */
568#define SXML_ENABLE_NAMESPACE 0x01 /* Parse XML with namespace support enbaled */
569#define SXML_ENABLE_QUERY 0x02 /* Not used */
570#define SXML_OPTION_CASE_FOLDING 0x04 /* Controls whether case-folding is enabled for this XML parser */
571#define SXML_OPTION_SKIP_TAGSTART 0x08 /* Specify how many characters should be skipped in the beginning of a tag name.*/
572#define SXML_OPTION_SKIP_WHITE 0x10 /* Whether to skip values consisting of whitespace characters. */
573#define SXML_OPTION_TARGET_ENCODING 0x20 /* Default encoding: UTF-8 */
574/* XML error codes */
575enum xml_err_code{
576 SXML_ERROR_NONE = 1,
577 SXML_ERROR_NO_MEMORY,
578 SXML_ERROR_SYNTAX,
579 SXML_ERROR_NO_ELEMENTS,
580 SXML_ERROR_INVALID_TOKEN,
581 SXML_ERROR_UNCLOSED_TOKEN,
582 SXML_ERROR_PARTIAL_CHAR,
583 SXML_ERROR_TAG_MISMATCH,
584 SXML_ERROR_DUPLICATE_ATTRIBUTE,
585 SXML_ERROR_JUNK_AFTER_DOC_ELEMENT,
586 SXML_ERROR_PARAM_ENTITY_REF,
587 SXML_ERROR_UNDEFINED_ENTITY,
588 SXML_ERROR_RECURSIVE_ENTITY_REF,
589 SXML_ERROR_ASYNC_ENTITY,
590 SXML_ERROR_BAD_CHAR_REF,
591 SXML_ERROR_BINARY_ENTITY_REF,
592 SXML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF,
593 SXML_ERROR_MISPLACED_XML_PI,
594 SXML_ERROR_UNKNOWN_ENCODING,
595 SXML_ERROR_INCORRECT_ENCODING,
596 SXML_ERROR_UNCLOSED_CDATA_SECTION,
597 SXML_ERROR_EXTERNAL_ENTITY_HANDLING
598};
599/* Each active XML SAX parser is represented by an instance
600 * of the following structure.
601 */
602typedef struct SyXMLParser SyXMLParser;
603struct SyXMLParser
604{
605 SyMemBackend *pAllocator; /* Memory backend */
606 void *pUserData; /* User private data forwarded varbatim by the XML parser
607 * as the last argument to the users callbacks.
608 */
609 SyHash hns; /* Namespace hashtable */
610 SySet sToken; /* XML tokens */
611 SyLex sLex; /* Lexical analyzer */
612 sxi32 nFlags; /* Control flags */
613 /* User callbacks */
614 ProcXMLStartTagHandler xStartTag; /* Start element handler */
615 ProcXMLEndTagHandler xEndTag; /* End element handler */
616 ProcXMLTextHandler xRaw; /* Raw text/CDATA handler */
617 ProcXMLDoctypeHandler xDoctype; /* DOCTYPE handler */
618 ProcXMLPIHandler xPi; /* Processing instruction (PI) handler*/
619 ProcXMLSyntaxErrorHandler xError; /* Error handler */
620 ProcXMLStartDocument xStartDoc; /* StartDoc handler */
621 ProcXMLEndDocument xEndDoc; /* EndDoc handler */
622 ProcXMLNameSpaceStart xNameSpace; /* Namespace declaration handler */
623 ProcXMLNameSpaceEnd xNameSpaceEnd; /* End namespace declaration handler */
624};
625/*
626 * --------------
627 * Archive extractor:
628 * --------------
629 * Each open ZIP/TAR archive is identified by an instance of the following structure.
630 * That is, a process can open one or more archives and manipulates them in thread safe
631 * way by simply working with pointers to the following structure.
632 * Each entry in the archive is remembered in a hashtable.
633 * Lookup is very fast and entry with the same name are chained together.
634 */
635 typedef struct SyArchiveEntry SyArchiveEntry;
636 typedef struct SyArchive SyArchive;
637 struct SyArchive
638 {
639 SyMemBackend *pAllocator; /* Memory backend */
640 SyArchiveEntry *pCursor; /* Cursor for linear traversal of archive entries */
641 SyArchiveEntry *pList; /* Pointer to the List of the loaded archive */
642 SyArchiveEntry **apHash; /* Hashtable for archive entry */
643 ProcRawStrCmp xCmp; /* Hash comparison function */
644 ProcHash xHash; /* Hash Function */
645 sxu32 nSize; /* Hashtable size */
646 sxu32 nEntry; /* Total number of entries in the zip/tar archive */
647 sxu32 nLoaded; /* Total number of entries loaded in memory */
648 sxu32 nCentralOfft; /* Central directory offset(ZIP only. Otherwise Zero) */
649 sxu32 nCentralSize; /* Central directory size(ZIP only. Otherwise Zero) */
650 void *pUserData; /* Upper layer private data */
651 sxu32 nMagic; /* Sanity check */
652
653 };
654#define SXARCH_MAGIC 0xDEAD635A
655#define SXARCH_INVALID(ARCH) (ARCH == 0 || ARCH->nMagic != SXARCH_MAGIC)
656#define SXARCH_ENTRY_INVALID(ENTRY) (ENTRY == 0 || ENTRY->nMagic != SXARCH_MAGIC)
657#define SyArchiveHashFunc(ARCH) (ARCH)->xHash
658#define SyArchiveCmpFunc(ARCH) (ARCH)->xCmp
659#define SyArchiveUserData(ARCH) (ARCH)->pUserData
660#define SyArchiveSetUserData(ARCH, DATA) (ARCH)->pUserData = DATA
661/*
662 * Each loaded archive record is identified by an instance
663 * of the following structure.
664 */
665 struct SyArchiveEntry
666 {
667 sxu32 nByte; /* Contents size before compression */
668 sxu32 nByteCompr; /* Contents size after compression */
669 sxu32 nReadCount; /* Read counter */
670 sxu32 nCrc; /* Contents CRC32 */
671 Sytm sFmt; /* Last-modification time */
672 sxu32 nOfft; /* Data offset. */
673 sxu16 nComprMeth; /* Compression method 0 == stored/8 == deflated and so on (see appnote.txt)*/
674 sxu16 nExtra; /* Extra size if any */
675 SyString sFileName; /* entry name & length */
676 sxu32 nDup; /* Total number of entries with the same name */
677 SyArchiveEntry *pNextHash, *pPrevHash; /* Hash collision chains */
678 SyArchiveEntry *pNextName; /* Next entry with the same name */
679 SyArchiveEntry *pNext, *pPrev; /* Next and previous entry in the list */
680 sxu32 nHash; /* Hash of the entry name */
681 void *pUserData; /* User data */
682 sxu32 nMagic; /* Sanity check */
683 };
684 /*
685 * Extra flags for extending the file local header
686 */
687#define SXZIP_EXTRA_TIMESTAMP 0x001 /* Extended UNIX timestamp */
688#endif /* JX9_DISABLE_BUILTIN_FUNC */
689#ifndef JX9_DISABLE_HASH_FUNC
690/* MD5 context */
691typedef struct MD5Context MD5Context;
692struct MD5Context {
693 sxu32 buf[4];
694 sxu32 bits[2];
695 unsigned char in[64];
696};
697/* SHA1 context */
698typedef struct SHA1Context SHA1Context;
699struct SHA1Context {
700 unsigned int state[5];
701 unsigned int count[2];
702 unsigned char buffer[64];
703};
704#endif /* JX9_DISABLE_HASH_FUNC */
705/* JX9 private declaration */
706/*
707 * Memory Objects.
708 * Internally, the JX9 virtual machine manipulates nearly all JX9 values
709 * [i.e: string, int, float, resource, object, bool, null] as jx9_values structures.
710 * Each jx9_values struct may cache multiple representations (string, integer etc.)
711 * of the same value.
712 */
713struct jx9_value
714{
715 union{
716 jx9_real rVal; /* Real value */
717 sxi64 iVal; /* Integer value */
718 void *pOther; /* Other values (Object, Array, Resource, Namespace, etc.) */
719 }x;
720 sxi32 iFlags; /* Control flags (see below) */
721 jx9_vm *pVm; /* VM this instance belong */
722 SyBlob sBlob; /* String values */
723 sxu32 nIdx; /* Object index in the global pool */
724};
725/* Allowed value types.
726 */
727#define MEMOBJ_STRING 0x001 /* Memory value is a UTF-8 string */
728#define MEMOBJ_INT 0x002 /* Memory value is an integer */
729#define MEMOBJ_REAL 0x004 /* Memory value is a real number */
730#define MEMOBJ_BOOL 0x008 /* Memory value is a boolean */
731#define MEMOBJ_NULL 0x020 /* Memory value is NULL */
732#define MEMOBJ_HASHMAP 0x040 /* Memory value is a hashmap (JSON representation of Array and Objects) */
733#define MEMOBJ_RES 0x100 /* Memory value is a resource [User private data] */
734/* Mask of all known types */
735#define MEMOBJ_ALL (MEMOBJ_STRING|MEMOBJ_INT|MEMOBJ_REAL|MEMOBJ_BOOL|MEMOBJ_NULL|MEMOBJ_HASHMAP|MEMOBJ_RES)
736/* Scalar variables
737 * According to the JX9 language reference manual
738 * Scalar variables are those containing an integer, float, string or boolean.
739 * Types array, object and resource are not scalar.
740 */
741#define MEMOBJ_SCALAR (MEMOBJ_STRING|MEMOBJ_INT|MEMOBJ_REAL|MEMOBJ_BOOL|MEMOBJ_NULL)
742/*
743 * The following macro clear the current jx9_value type and replace
744 * it with the given one.
745 */
746#define MemObjSetType(OBJ, TYPE) ((OBJ)->iFlags = ((OBJ)->iFlags&~MEMOBJ_ALL)|TYPE)
747/* jx9_value cast method signature */
748typedef sxi32 (*ProcMemObjCast)(jx9_value *);
749/* Forward reference */
750typedef struct jx9_output_consumer jx9_output_consumer;
751typedef struct jx9_user_func jx9_user_func;
752typedef struct jx9_conf jx9_conf;
753/*
754 * An instance of the following structure store the default VM output
755 * consumer and it's private data.
756 * Client-programs can register their own output consumer callback
757 * via the [JX9_VM_CONFIG_OUTPUT] configuration directive.
758 * Please refer to the official documentation for more information
759 * on how to register an output consumer callback.
760 */
761struct jx9_output_consumer
762{
763 ProcConsumer xConsumer; /* VM output consumer routine */
764 void *pUserData; /* Third argument to xConsumer() */
765 ProcConsumer xDef; /* Default output consumer routine */
766 void *pDefData; /* Third argument to xDef() */
767};
768/*
769 * JX9 engine [i.e: jx9 instance] configuration is stored in
770 * an instance of the following structure.
771 * Please refer to the official documentation for more information
772 * on how to configure your jx9 engine instance.
773 */
774struct jx9_conf
775{
776 ProcConsumer xErr; /* Compile-time error consumer callback */
777 void *pErrData; /* Third argument to xErr() */
778 SyBlob sErrConsumer; /* Default error consumer */
779};
780/*
781 * Signature of the C function responsible of expanding constant values.
782 */
783typedef void (*ProcConstant)(jx9_value *, void *);
784/*
785 * Each registered constant [i.e: __TIME__, __DATE__, JX9_OS, INT_MAX, etc.] is stored
786 * in an instance of the following structure.
787 * Please refer to the official documentation for more information
788 * on how to create/install foreign constants.
789 */
790typedef struct jx9_constant jx9_constant;
791struct jx9_constant
792{
793 SyString sName; /* Constant name */
794 ProcConstant xExpand; /* Function responsible of expanding constant value */
795 void *pUserData; /* Last argument to xExpand() */
796};
797typedef struct jx9_aux_data jx9_aux_data;
798/*
799 * Auxiliary data associated with each foreign function is stored
800 * in a stack of the following structure.
801 * Note that automatic tracked chunks are also stored in an instance
802 * of this structure.
803 */
804struct jx9_aux_data
805{
806 void *pAuxData; /* Aux data */
807};
808/* Foreign functions signature */
809typedef int (*ProcHostFunction)(jx9_context *, int, jx9_value **);
810/*
811 * Each installed foreign function is recored in an instance of the following
812 * structure.
813 * Please refer to the official documentation for more information on how
814 * to create/install foreign functions.
815 */
816struct jx9_user_func
817{
818 jx9_vm *pVm; /* VM that own this instance */
819 SyString sName; /* Foreign function name */
820 ProcHostFunction xFunc; /* Implementation of the foreign function */
821 void *pUserData; /* User private data [Refer to the official documentation for more information]*/
822 SySet aAux; /* Stack of auxiliary data [Refer to the official documentation for more information]*/
823};
824/*
825 * The 'context' argument for an installable function. A pointer to an
826 * instance of this structure is the first argument to the routines used
827 * implement the foreign functions.
828 */
829struct jx9_context
830{
831 jx9_user_func *pFunc; /* Function information. */
832 jx9_value *pRet; /* Return value is stored here. */
833 SySet sVar; /* Container of dynamically allocated jx9_values
834 * [i.e: Garbage collection purposes.]
835 */
836 SySet sChunk; /* Track dynamically allocated chunks [jx9_aux_data instance].
837 * [i.e: Garbage collection purposes.]
838 */
839 jx9_vm *pVm; /* Virtual machine that own this context */
840 sxi32 iFlags; /* Call flags */
841};
842/* Hashmap control flags */
843#define HASHMAP_JSON_OBJECT 0x001 /* Hashmap represent JSON Object*/
844/*
845 * Each hashmap entry [i.e: array(4, 5, 6)] is recorded in an instance
846 * of the following structure.
847 */
848struct jx9_hashmap_node
849{
850 jx9_hashmap *pMap; /* Hashmap that own this instance */
851 sxi32 iType; /* Node type */
852 union{
853 sxi64 iKey; /* Int key */
854 SyBlob sKey; /* Blob key */
855 }xKey;
856 sxi32 iFlags; /* Control flags */
857 sxu32 nHash; /* Key hash value */
858 sxu32 nValIdx; /* Value stored in this node */
859 jx9_hashmap_node *pNext, *pPrev; /* Link to other entries [i.e: linear traversal] */
860 jx9_hashmap_node *pNextCollide, *pPrevCollide; /* Collision chain */
861};
862/*
863 * Each active hashmap aka array in the JX9 jargon is represented
864 * by an instance of the following structure.
865 */
866struct jx9_hashmap
867{
868 jx9_vm *pVm; /* VM that own this instance */
869 jx9_hashmap_node **apBucket; /* Hash bucket */
870 jx9_hashmap_node *pFirst; /* First inserted entry */
871 jx9_hashmap_node *pLast; /* Last inserted entry */
872 jx9_hashmap_node *pCur; /* Current entry */
873 sxu32 nSize; /* Bucket size */
874 sxu32 nEntry; /* Total number of inserted entries */
875 sxu32 (*xIntHash)(sxi64); /* Hash function for int_keys */
876 sxu32 (*xBlobHash)(const void *, sxu32); /* Hash function for blob_keys */
877 sxi32 iFlags; /* Hashmap control flags */
878 sxi64 iNextIdx; /* Next available automatically assigned index */
879 sxi32 iRef; /* Reference count */
880};
881/* An instance of the following structure is the context
882 * for the FOREACH_STEP/FOREACH_INIT VM instructions.
883 * Those instructions are used to implement the 'foreach'
884 * statement.
885 * This structure is made available to these instructions
886 * as the P3 operand.
887 */
888struct jx9_foreach_info
889{
890 SyString sKey; /* Key name. Empty otherwise*/
891 SyString sValue; /* Value name */
892 sxi32 iFlags; /* Control flags */
893 SySet aStep; /* Stack of steps [i.e: jx9_foreach_step instance] */
894};
895struct jx9_foreach_step
896{
897 sxi32 iFlags; /* Control flags (see below) */
898 /* Iterate on this map*/
899 jx9_hashmap *pMap; /* Hashmap [i.e: array in the JX9 jargon] iteration
900 * Ex: foreach(array(1, 2, 3) as $key=>$value){}
901 */
902
903};
904/* Foreach step control flags */
905#define JX9_4EACH_STEP_KEY 0x001 /* Make Key available */
906/*
907 * Each JX9 engine is identified by an instance of the following structure.
908 * Please refer to the official documentation for more information
909 * on how to configure your JX9 engine instance.
910 */
911struct jx9
912{
913 SyMemBackend sAllocator; /* Low level memory allocation subsystem */
914 const jx9_vfs *pVfs; /* Underlying Virtual File System */
915 jx9_conf xConf; /* Configuration */
916#if defined(JX9_ENABLE_THREADS)
917 SyMutex *pMutex; /* Per-engine mutex */
918#endif
919 jx9_vm *pVms; /* List of active VM */
920 sxi32 iVm; /* Total number of active VM */
921 jx9 *pNext, *pPrev; /* List of active engines */
922 sxu32 nMagic; /* Sanity check against misuse */
923};
924/* Code generation data structures */
925typedef sxi32 (*ProcErrorGen)(void *, sxi32, sxu32, const char *, ...);
926typedef struct jx9_expr_node jx9_expr_node;
927typedef struct jx9_expr_op jx9_expr_op;
928typedef struct jx9_gen_state jx9_gen_state;
929typedef struct GenBlock GenBlock;
930typedef sxi32 (*ProcLangConstruct)(jx9_gen_state *);
931typedef sxi32 (*ProcNodeConstruct)(jx9_gen_state *, sxi32);
932/*
933 * Each supported operator [i.e: +, -, ==, *, %, >>, >=, new, etc.] is represented
934 * by an instance of the following structure.
935 * The JX9 parser does not use any external tools and is 100% handcoded.
936 * That is, the JX9 parser is thread-safe , full reentrant, produce consistant
937 * compile-time errrors and at least 7 times faster than the standard JX9 parser.
938 */
939struct jx9_expr_op
940{
941 SyString sOp; /* String representation of the operator [i.e: "+", "*", "=="...] */
942 sxi32 iOp; /* Operator ID */
943 sxi32 iPrec; /* Operator precedence: 1 == Highest */
944 sxi32 iAssoc; /* Operator associativity (either left, right or non-associative) */
945 sxi32 iVmOp; /* VM OP code for this operator [i.e: JX9_OP_EQ, JX9_OP_LT, JX9_OP_MUL...]*/
946};
947/*
948 * Each expression node is parsed out and recorded
949 * in an instance of the following structure.
950 */
951struct jx9_expr_node
952{
953 const jx9_expr_op *pOp; /* Operator ID or NULL if literal, constant, variable, function or object method call */
954 jx9_expr_node *pLeft; /* Left expression tree */
955 jx9_expr_node *pRight; /* Right expression tree */
956 SyToken *pStart; /* Stream of tokens that belong to this node */
957 SyToken *pEnd; /* End of token stream */
958 sxi32 iFlags; /* Node construct flags */
959 ProcNodeConstruct xCode; /* C routine responsible of compiling this node */
960 SySet aNodeArgs; /* Node arguments. Only used by postfix operators [i.e: function call]*/
961 jx9_expr_node *pCond; /* Condition: Only used by the ternary operator '?:' */
962};
963/* Node Construct flags */
964#define EXPR_NODE_PRE_INCR 0x01 /* Pre-icrement/decrement [i.e: ++$i, --$j] node */
965/*
966 * A block of instructions is recorded in an instance of the following structure.
967 * This structure is used only during compile-time and have no meaning
968 * during bytecode execution.
969 */
970struct GenBlock
971{
972 jx9_gen_state *pGen; /* State of the code generator */
973 GenBlock *pParent; /* Upper block or NULL if global */
974 sxu32 nFirstInstr; /* First instruction to execute */
975 sxi32 iFlags; /* Block control flags (see below) */
976 SySet aJumpFix; /* Jump fixup (JumpFixup instance) */
977 void *pUserData; /* Upper layer private data */
978 /* The following two fields are used only when compiling
979 * the 'do..while()' language construct.
980 */
981 sxu8 bPostContinue; /* TRUE when compiling the do..while() statement */
982 SySet aPostContFix; /* Post-continue jump fix */
983};
984/*
985 * Code generator state is remembered in an instance of the following
986 * structure. We put the information in this structure and pass around
987 * a pointer to this structure, rather than pass around all of the
988 * information separately. This helps reduce the number of arguments
989 * to generator functions.
990 * This structure is used only during compile-time and have no meaning
991 * during bytecode execution.
992 */
993struct jx9_gen_state
994{
995 jx9_vm *pVm; /* VM that own this instance */
996 SyHash hLiteral; /* Constant string Literals table */
997 SyHash hNumLiteral; /* Numeric literals table */
998 SyHash hVar; /* Collected variable hashtable */
999 GenBlock *pCurrent; /* Current processed block */
1000 GenBlock sGlobal; /* Global block */
1001 ProcConsumer xErr; /* Error consumer callback */
1002 void *pErrData; /* Third argument to xErr() */
1003 SyToken *pIn; /* Current processed token */
1004 SyToken *pEnd; /* Last token in the stream */
1005 sxu32 nErr; /* Total number of compilation error */
1006};
1007/* Forward references */
1008typedef struct jx9_vm_func_static_var jx9_vm_func_static_var;
1009typedef struct jx9_vm_func_arg jx9_vm_func_arg;
1010typedef struct jx9_vm_func jx9_vm_func;
1011typedef struct VmFrame VmFrame;
1012/*
1013 * Each collected function argument is recorded in an instance
1014 * of the following structure.
1015 * Note that as an extension, JX9 implements full type hinting
1016 * which mean that any function can have it's own signature.
1017 * Example:
1018 * function foo(int $a, string $b, float $c, ClassInstance $d){}
1019 * This is how the powerful function overloading mechanism is
1020 * implemented.
1021 * Note that as an extension, JX9 allow function arguments to have
1022 * any complex default value associated with them unlike the standard
1023 * JX9 engine.
1024 * Example:
1025 * function foo(int $a = rand() & 1023){}
1026 * now, when foo is called without arguments [i.e: foo()] the
1027 * $a variable (first parameter) will be set to a random number
1028 * between 0 and 1023 inclusive.
1029 * Refer to the official documentation for more information on this
1030 * mechanism and other extension introduced by the JX9 engine.
1031 */
1032struct jx9_vm_func_arg
1033{
1034 SyString sName; /* Argument name */
1035 SySet aByteCode; /* Compiled default value associated with this argument */
1036 sxu32 nType; /* Type of this argument [i.e: array, int, string, float, object, etc.] */
1037 sxi32 iFlags; /* Configuration flags */
1038};
1039/*
1040 * Each static variable is parsed out and remembered in an instance
1041 * of the following structure.
1042 * Note that as an extension, JX9 allow static variable have
1043 * any complex default value associated with them unlike the standard
1044 * JX9 engine.
1045 * Example:
1046 * static $rand_str = 'JX9'.rand_str(3); // Concatenate 'JX9' with
1047 * // a random three characters(English alphabet)
1048 * dump($rand_str);
1049 * //You should see something like this
1050 * string(6 'JX9awt');
1051 */
1052struct jx9_vm_func_static_var
1053{
1054 SyString sName; /* Static variable name */
1055 SySet aByteCode; /* Compiled initialization expression */
1056 sxu32 nIdx; /* Object index in the global memory object container */
1057};
1058/* Function configuration flags */
1059#define VM_FUNC_ARG_HAS_DEF 0x001 /* Argument has default value associated with it */
1060#define VM_FUNC_ARG_IGNORE 0x002 /* Do not install argument in the current frame */
1061/*
1062 * Each user defined function is parsed out and stored in an instance
1063 * of the following structure.
1064 * JX9 introduced some powerfull extensions to the JX9 5 programming
1065 * language like function overloading, type hinting, complex default
1066 * arguments values and many more.
1067 * Please refer to the official documentation for more information.
1068 */
1069struct jx9_vm_func
1070{
1071 SySet aArgs; /* Expected arguments (jx9_vm_func_arg instance) */
1072 SySet aStatic; /* Static variable (jx9_vm_func_static_var instance) */
1073 SyString sName; /* Function name */
1074 SySet aByteCode; /* Compiled function body */
1075 sxi32 iFlags; /* VM function configuration */
1076 SyString sSignature; /* Function signature used to implement function overloading
1077 * (Refer to the official docuemntation for more information
1078 * on this powerfull feature)
1079 */
1080 void *pUserData; /* Upper layer private data associated with this instance */
1081 jx9_vm_func *pNextName; /* Next VM function with the same name as this one */
1082};
1083/* Forward reference */
1084typedef struct jx9_builtin_constant jx9_builtin_constant;
1085typedef struct jx9_builtin_func jx9_builtin_func;
1086/*
1087 * Each built-in foreign function (C function) is stored in an
1088 * instance of the following structure.
1089 * Please refer to the official documentation for more information
1090 * on how to create/install foreign functions.
1091 */
1092struct jx9_builtin_func
1093{
1094 const char *zName; /* Function name [i.e: strlen(), rand(), array_merge(), etc.]*/
1095 ProcHostFunction xFunc; /* C routine performing the computation */
1096};
1097/*
1098 * Each built-in foreign constant is stored in an instance
1099 * of the following structure.
1100 * Please refer to the official documentation for more information
1101 * on how to create/install foreign constants.
1102 */
1103struct jx9_builtin_constant
1104{
1105 const char *zName; /* Constant name */
1106 ProcConstant xExpand; /* C routine responsible of expanding constant value*/
1107};
1108/*
1109 * A single instruction of the virtual machine has an opcode
1110 * and as many as three operands.
1111 * Each VM instruction resulting from compiling a JX9 script
1112 * is stored in an instance of the following structure.
1113 */
1114typedef struct VmInstr VmInstr;
1115struct VmInstr
1116{
1117 sxu8 iOp; /* Operation to preform */
1118 sxi32 iP1; /* First operand */
1119 sxu32 iP2; /* Second operand (Often the jump destination) */
1120 void *p3; /* Third operand (Often Upper layer private data) */
1121};
1122/* Forward reference */
1123typedef struct jx9_case_expr jx9_case_expr;
1124typedef struct jx9_switch jx9_switch;
1125/*
1126 * Each compiled case block in a swicth statement is compiled
1127 * and stored in an instance of the following structure.
1128 */
1129struct jx9_case_expr
1130{
1131 SySet aByteCode; /* Compiled body of the case block */
1132 sxu32 nStart; /* First instruction to execute */
1133};
1134/*
1135 * Each compiled switch statement is parsed out and stored
1136 * in an instance of the following structure.
1137 */
1138struct jx9_switch
1139{
1140 SySet aCaseExpr; /* Compile case block */
1141 sxu32 nOut; /* First instruction to execute after this statement */
1142 sxu32 nDefault; /* First instruction to execute in the default block */
1143};
1144/* Assertion flags */
1145#define JX9_ASSERT_DISABLE 0x01 /* Disable assertion */
1146#define JX9_ASSERT_WARNING 0x02 /* Issue a warning for each failed assertion */
1147#define JX9_ASSERT_BAIL 0x04 /* Terminate execution on failed assertions */
1148#define JX9_ASSERT_QUIET_EVAL 0x08 /* Not used */
1149#define JX9_ASSERT_CALLBACK 0x10 /* Callback to call on failed assertions */
1150/*
1151 * An instance of the following structure hold the bytecode instructions
1152 * resulting from compiling a JX9 script.
1153 * This structure contains the complete state of the virtual machine.
1154 */
1155struct jx9_vm
1156{
1157 SyMemBackend sAllocator; /* Memory backend */
1158#if defined(JX9_ENABLE_THREADS)
1159 SyMutex *pMutex; /* Recursive mutex associated with this VM. */
1160#endif
1161 jx9 *pEngine; /* Interpreter that own this VM */
1162 SySet aByteCode; /* Default bytecode container */
1163 SySet *pByteContainer; /* Current bytecode container */
1164 VmFrame *pFrame; /* Stack of active frames */
1165 SyPRNGCtx sPrng; /* PRNG context */
1166 SySet aMemObj; /* Object allocation table */
1167 SySet aLitObj; /* Literals allocation table */
1168 jx9_value *aOps; /* Operand stack */
1169 SySet aFreeObj; /* Stack of free memory objects */
1170 SyHash hConstant; /* Host-application and user defined constants container */
1171 SyHash hHostFunction; /* Host-application installable functions */
1172 SyHash hFunction; /* Compiled functions */
1173 SyHash hSuper; /* Global variable */
1174 SyBlob sConsumer; /* Default VM consumer [i.e Redirect all VM output to this blob] */
1175 SyBlob sWorker; /* General purpose working buffer */
1176 SyBlob sArgv; /* $argv[] collector [refer to the [getopt()] implementation for more information] */
1177 SySet aFiles; /* Stack of processed files */
1178 SySet aPaths; /* Set of import paths */
1179 SySet aIncluded; /* Set of included files */
1180 SySet aIOstream; /* Installed IO stream container */
1181 const jx9_io_stream *pDefStream; /* Default IO stream [i.e: typically this is the 'file://' stream] */
1182 jx9_value sExec; /* Compiled script return value [Can be extracted via the JX9_VM_CONFIG_EXEC_VALUE directive]*/
1183 void *pStdin; /* STDIN IO stream */
1184 void *pStdout; /* STDOUT IO stream */
1185 void *pStderr; /* STDERR IO stream */
1186 int bErrReport; /* TRUE to report all runtime Error/Warning/Notice */
1187 int nRecursionDepth; /* Current recursion depth */
1188 int nMaxDepth; /* Maximum allowed recusion depth */
1189 sxu32 nOutputLen; /* Total number of generated output */
1190 jx9_output_consumer sVmConsumer; /* Registered output consumer callback */
1191 int iAssertFlags; /* Assertion flags */
1192 jx9_value sAssertCallback; /* Callback to call on failed assertions */
1193 sxi32 iExitStatus; /* Script exit status */
1194 jx9_gen_state sCodeGen; /* Code generator module */
1195 jx9_vm *pNext, *pPrev; /* List of active VM's */
1196 sxu32 nMagic; /* Sanity check against misuse */
1197};
1198/*
1199 * Allowed value for jx9_vm.nMagic
1200 */
1201#define JX9_VM_INIT 0xEA12CD72 /* VM correctly initialized */
1202#define JX9_VM_RUN 0xBA851227 /* VM ready to execute JX9 bytecode */
1203#define JX9_VM_EXEC 0xCDFE1DAD /* VM executing JX9 bytecode */
1204#define JX9_VM_STALE 0xDEAD2BAD /* Stale VM */
1205/*
1206 * Error codes according to the JX9 language reference manual.
1207 */
1208enum iErrCode
1209{
1210 E_ERROR = 1, /* Fatal run-time errors. These indicate errors that can not be recovered
1211 * from, such as a memory allocation problem. Execution of the script is
1212 * halted.
1213 * The only fatal error under JX9 is an out-of-memory. All others erros
1214 * even a call to undefined function will not halt script execution.
1215 */
1216 E_WARNING , /* Run-time warnings (non-fatal errors). Execution of the script is not halted. */
1217 E_PARSE , /* Compile-time parse errors. Parse errors should only be generated by the parser.*/
1218 E_NOTICE , /* Run-time notices. Indicate that the script encountered something that could
1219 * indicate an error, but could also happen in the normal course of running a script.
1220 */
1221};
1222/*
1223 * Each VM instruction resulting from compiling a JX9 script is represented
1224 * by one of the following OP codes.
1225 * The program consists of a linear sequence of operations. Each operation
1226 * has an opcode and 3 operands.Operands P1 is an integer.
1227 * Operand P2 is an unsigned integer and operand P3 is a memory address.
1228 * Few opcodes use all 3 operands.
1229 */
1230enum jx9_vm_op {
1231 JX9_OP_DONE = 1, /* Done */
1232 JX9_OP_HALT, /* Halt */
1233 JX9_OP_LOAD, /* Load memory object */
1234 JX9_OP_LOADC, /* Load constant */
1235 JX9_OP_LOAD_IDX, /* Load array entry */
1236 JX9_OP_LOAD_MAP, /* Load hashmap('array') */
1237 JX9_OP_NOOP, /* NOOP */
1238 JX9_OP_JMP, /* Unconditional jump */
1239 JX9_OP_JZ, /* Jump on zero (FALSE jump) */
1240 JX9_OP_JNZ, /* Jump on non-zero (TRUE jump) */
1241 JX9_OP_POP, /* Stack POP */
1242 JX9_OP_CAT, /* Concatenation */
1243 JX9_OP_CVT_INT, /* Integer cast */
1244 JX9_OP_CVT_STR, /* String cast */
1245 JX9_OP_CVT_REAL, /* Float cast */
1246 JX9_OP_CALL, /* Function call */
1247 JX9_OP_UMINUS, /* Unary minus '-'*/
1248 JX9_OP_UPLUS, /* Unary plus '+'*/
1249 JX9_OP_BITNOT, /* Bitwise not '~' */
1250 JX9_OP_LNOT, /* Logical not '!' */
1251 JX9_OP_MUL, /* Multiplication '*' */
1252 JX9_OP_DIV, /* Division '/' */
1253 JX9_OP_MOD, /* Modulus '%' */
1254 JX9_OP_ADD, /* Add '+' */
1255 JX9_OP_SUB, /* Sub '-' */
1256 JX9_OP_SHL, /* Left shift '<<' */
1257 JX9_OP_SHR, /* Right shift '>>' */
1258 JX9_OP_LT, /* Less than '<' */
1259 JX9_OP_LE, /* Less or equal '<=' */
1260 JX9_OP_GT, /* Greater than '>' */
1261 JX9_OP_GE, /* Greater or equal '>=' */
1262 JX9_OP_EQ, /* Equal '==' */
1263 JX9_OP_NEQ, /* Not equal '!=' */
1264 JX9_OP_TEQ, /* Type equal '===' */
1265 JX9_OP_TNE, /* Type not equal '!==' */
1266 JX9_OP_BAND, /* Bitwise and '&' */
1267 JX9_OP_BXOR, /* Bitwise xor '^' */
1268 JX9_OP_BOR, /* Bitwise or '|' */
1269 JX9_OP_LAND, /* Logical and '&&','and' */
1270 JX9_OP_LOR, /* Logical or '||','or' */
1271 JX9_OP_LXOR, /* Logical xor 'xor' */
1272 JX9_OP_STORE, /* Store Object */
1273 JX9_OP_STORE_IDX, /* Store indexed object */
1274 JX9_OP_PULL, /* Stack pull */
1275 JX9_OP_SWAP, /* Stack swap */
1276 JX9_OP_YIELD, /* Stack yield */
1277 JX9_OP_CVT_BOOL, /* Boolean cast */
1278 JX9_OP_CVT_NUMC, /* Numeric (integer, real or both) type cast */
1279 JX9_OP_INCR, /* Increment ++ */
1280 JX9_OP_DECR, /* Decrement -- */
1281 JX9_OP_ADD_STORE, /* Add and store '+=' */
1282 JX9_OP_SUB_STORE, /* Sub and store '-=' */
1283 JX9_OP_MUL_STORE, /* Mul and store '*=' */
1284 JX9_OP_DIV_STORE, /* Div and store '/=' */
1285 JX9_OP_MOD_STORE, /* Mod and store '%=' */
1286 JX9_OP_CAT_STORE, /* Cat and store '.=' */
1287 JX9_OP_SHL_STORE, /* Shift left and store '>>=' */
1288 JX9_OP_SHR_STORE, /* Shift right and store '<<=' */
1289 JX9_OP_BAND_STORE, /* Bitand and store '&=' */
1290 JX9_OP_BOR_STORE, /* Bitor and store '|=' */
1291 JX9_OP_BXOR_STORE, /* Bitxor and store '^=' */
1292 JX9_OP_CONSUME, /* Consume VM output */
1293 JX9_OP_MEMBER, /* Object member run-time access */
1294 JX9_OP_UPLINK, /* Run-Time frame link */
1295 JX9_OP_CVT_NULL, /* NULL cast */
1296 JX9_OP_CVT_ARRAY, /* Array cast */
1297 JX9_OP_FOREACH_INIT, /* For each init */
1298 JX9_OP_FOREACH_STEP, /* For each step */
1299 JX9_OP_SWITCH /* Switch operation */
1300};
1301/* -- END-OF INSTRUCTIONS -- */
1302/*
1303 * Expression Operators ID.
1304 */
1305enum jx9_expr_id {
1306 EXPR_OP_DOT, /* Member access */
1307 EXPR_OP_DC, /* :: */
1308 EXPR_OP_SUBSCRIPT, /* []: Subscripting */
1309 EXPR_OP_FUNC_CALL, /* func_call() */
1310 EXPR_OP_INCR, /* ++ */
1311 EXPR_OP_DECR, /* -- */
1312 EXPR_OP_BITNOT, /* ~ */
1313 EXPR_OP_UMINUS, /* Unary minus */
1314 EXPR_OP_UPLUS, /* Unary plus */
1315 EXPR_OP_TYPECAST, /* Type cast [i.e: (int), (float), (string)...] */
1316 EXPR_OP_ALT, /* @ */
1317 EXPR_OP_INSTOF, /* instanceof */
1318 EXPR_OP_LOGNOT, /* logical not ! */
1319 EXPR_OP_MUL, /* Multiplication */
1320 EXPR_OP_DIV, /* division */
1321 EXPR_OP_MOD, /* Modulus */
1322 EXPR_OP_ADD, /* Addition */
1323 EXPR_OP_SUB, /* Substraction */
1324 EXPR_OP_DDOT, /* Concatenation */
1325 EXPR_OP_SHL, /* Left shift */
1326 EXPR_OP_SHR, /* Right shift */
1327 EXPR_OP_LT, /* Less than */
1328 EXPR_OP_LE, /* Less equal */
1329 EXPR_OP_GT, /* Greater than */
1330 EXPR_OP_GE, /* Greater equal */
1331 EXPR_OP_EQ, /* Equal == */
1332 EXPR_OP_NE, /* Not equal != <> */
1333 EXPR_OP_TEQ, /* Type equal === */
1334 EXPR_OP_TNE, /* Type not equal !== */
1335 EXPR_OP_SEQ, /* String equal 'eq' */
1336 EXPR_OP_SNE, /* String not equal 'ne' */
1337 EXPR_OP_BAND, /* Biwise and '&' */
1338 EXPR_OP_REF, /* Reference operator '&' */
1339 EXPR_OP_XOR, /* bitwise xor '^' */
1340 EXPR_OP_BOR, /* bitwise or '|' */
1341 EXPR_OP_LAND, /* Logical and '&&','and' */
1342 EXPR_OP_LOR, /* Logical or '||','or'*/
1343 EXPR_OP_LXOR, /* Logical xor 'xor' */
1344 EXPR_OP_QUESTY, /* Ternary operator '?' */
1345 EXPR_OP_ASSIGN, /* Assignment '=' */
1346 EXPR_OP_ADD_ASSIGN, /* Combined operator: += */
1347 EXPR_OP_SUB_ASSIGN, /* Combined operator: -= */
1348 EXPR_OP_MUL_ASSIGN, /* Combined operator: *= */
1349 EXPR_OP_DIV_ASSIGN, /* Combined operator: /= */
1350 EXPR_OP_MOD_ASSIGN, /* Combined operator: %= */
1351 EXPR_OP_DOT_ASSIGN, /* Combined operator: .= */
1352 EXPR_OP_AND_ASSIGN, /* Combined operator: &= */
1353 EXPR_OP_OR_ASSIGN, /* Combined operator: |= */
1354 EXPR_OP_XOR_ASSIGN, /* Combined operator: ^= */
1355 EXPR_OP_SHL_ASSIGN, /* Combined operator: <<= */
1356 EXPR_OP_SHR_ASSIGN, /* Combined operator: >>= */
1357 EXPR_OP_COMMA /* Comma expression */
1358};
1359/*
1360 * Lexer token codes
1361 * The following set of constants are the tokens recognized
1362 * by the lexer when processing JX9 input.
1363 * Important: Token values MUST BE A POWER OF TWO.
1364 */
1365#define JX9_TK_INTEGER 0x0000001 /* Integer */
1366#define JX9_TK_REAL 0x0000002 /* Real number */
1367#define JX9_TK_NUM (JX9_TK_INTEGER|JX9_TK_REAL) /* Numeric token, either integer or real */
1368#define JX9_TK_KEYWORD 0x0000004 /* Keyword [i.e: while, for, if, foreach...] */
1369#define JX9_TK_ID 0x0000008 /* Alphanumeric or UTF-8 stream */
1370#define JX9_TK_DOLLAR 0x0000010 /* '$' Dollar sign */
1371#define JX9_TK_OP 0x0000020 /* Operator [i.e: +, *, /...] */
1372#define JX9_TK_OCB 0x0000040 /* Open curly brace'{' */
1373#define JX9_TK_CCB 0x0000080 /* Closing curly brace'}' */
1374#define JX9_TK_DOT 0x0000100 /* Dot . */
1375#define JX9_TK_LPAREN 0x0000200 /* Left parenthesis '(' */
1376#define JX9_TK_RPAREN 0x0000400 /* Right parenthesis ')' */
1377#define JX9_TK_OSB 0x0000800 /* Open square bracket '[' */
1378#define JX9_TK_CSB 0x0001000 /* Closing square bracket ']' */
1379#define JX9_TK_DSTR 0x0002000 /* Double quoted string "$str" */
1380#define JX9_TK_SSTR 0x0004000 /* Single quoted string 'str' */
1381#define JX9_TK_NOWDOC 0x0010000 /* Nowdoc <<< */
1382#define JX9_TK_COMMA 0x0020000 /* Comma ',' */
1383#define JX9_TK_SEMI 0x0040000 /* Semi-colon ";" */
1384#define JX9_TK_BSTR 0x0080000 /* Backtick quoted string [i.e: Shell command `date`] */
1385#define JX9_TK_COLON 0x0100000 /* single Colon ':' */
1386#define JX9_TK_AMPER 0x0200000 /* Ampersand '&' */
1387#define JX9_TK_EQUAL 0x0400000 /* Equal '=' */
1388#define JX9_TK_OTHER 0x1000000 /* Other symbols */
1389/*
1390 * JX9 keyword.
1391 * These words have special meaning in JX9. Some of them represent things which look like
1392 * functions, some look like constants, and so on, but they're not, really: they are language constructs.
1393 * You cannot use any of the following words as constants, object names, function or method names.
1394 * Using them as variable names is generally OK, but could lead to confusion.
1395 */
1396#define JX9_TKWRD_SWITCH 1 /* switch */
1397#define JX9_TKWRD_PRINT 2 /* print */
1398#define JX9_TKWRD_ELIF 0x4000000 /* elseif: MUST BE A POWER OF TWO */
1399#define JX9_TKWRD_ELSE 0x8000000 /* else: MUST BE A POWER OF TWO */
1400#define JX9_TKWRD_IF 3 /* if */
1401#define JX9_TKWRD_STATIC 4 /* static */
1402#define JX9_TKWRD_CASE 5 /* case */
1403#define JX9_TKWRD_FUNCTION 6 /* function */
1404#define JX9_TKWRD_CONST 7 /* const */
1405/* The number '8' is reserved for JX9_TK_ID */
1406#define JX9_TKWRD_WHILE 9 /* while */
1407#define JX9_TKWRD_DEFAULT 10 /* default */
1408#define JX9_TKWRD_AS 11 /* as */
1409#define JX9_TKWRD_CONTINUE 12 /* continue */
1410#define JX9_TKWRD_EXIT 13 /* exit */
1411#define JX9_TKWRD_DIE 14 /* die */
1412#define JX9_TKWRD_IMPORT 15 /* import */
1413#define JX9_TKWRD_INCLUDE 16 /* include */
1414#define JX9_TKWRD_FOR 17 /* for */
1415#define JX9_TKWRD_FOREACH 18 /* foreach */
1416#define JX9_TKWRD_RETURN 19 /* return */
1417#define JX9_TKWRD_BREAK 20 /* break */
1418#define JX9_TKWRD_UPLINK 21 /* uplink */
1419#define JX9_TKWRD_BOOL 0x8000 /* bool: MUST BE A POWER OF TWO */
1420#define JX9_TKWRD_INT 0x10000 /* int: MUST BE A POWER OF TWO */
1421#define JX9_TKWRD_FLOAT 0x20000 /* float: MUST BE A POWER OF TWO */
1422#define JX9_TKWRD_STRING 0x40000 /* string: MUST BE A POWER OF TWO */
1423
1424/* api.c */
1425JX9_PRIVATE sxi32 jx9EngineConfig(jx9 *pEngine, sxi32 nOp, va_list ap);
1426JX9_PRIVATE int jx9DeleteFunction(jx9_vm *pVm,const char *zName);
1427JX9_PRIVATE int Jx9DeleteConstant(jx9_vm *pVm,const char *zName);
1428/* json.c function prototypes */
1429JX9_PRIVATE int jx9JsonSerialize(jx9_value *pValue,SyBlob *pOut);
1430JX9_PRIVATE int jx9JsonDecode(jx9_context *pCtx,const char *zJSON,int nByte);
1431/* memobj.c function prototypes */
1432JX9_PRIVATE sxi32 jx9MemObjDump(SyBlob *pOut, jx9_value *pObj);
1433JX9_PRIVATE const char * jx9MemObjTypeDump(jx9_value *pVal);
1434JX9_PRIVATE sxi32 jx9MemObjAdd(jx9_value *pObj1, jx9_value *pObj2, int bAddStore);
1435JX9_PRIVATE sxi32 jx9MemObjCmp(jx9_value *pObj1, jx9_value *pObj2, int bStrict, int iNest);
1436JX9_PRIVATE sxi32 jx9MemObjInitFromString(jx9_vm *pVm, jx9_value *pObj, const SyString *pVal);
1437JX9_PRIVATE sxi32 jx9MemObjInitFromArray(jx9_vm *pVm, jx9_value *pObj, jx9_hashmap *pArray);
1438#if 0
1439/* Not used in the current release of the JX9 engine */
1440JX9_PRIVATE sxi32 jx9MemObjInitFromReal(jx9_vm *pVm, jx9_value *pObj, jx9_real rVal);
1441#endif
1442JX9_PRIVATE sxi32 jx9MemObjInitFromInt(jx9_vm *pVm, jx9_value *pObj, sxi64 iVal);
1443JX9_PRIVATE sxi32 jx9MemObjInitFromBool(jx9_vm *pVm, jx9_value *pObj, sxi32 iVal);
1444JX9_PRIVATE sxi32 jx9MemObjInit(jx9_vm *pVm, jx9_value *pObj);
1445JX9_PRIVATE sxi32 jx9MemObjStringAppend(jx9_value *pObj, const char *zData, sxu32 nLen);
1446#if 0
1447/* Not used in the current release of the JX9 engine */
1448JX9_PRIVATE sxi32 jx9MemObjStringFormat(jx9_value *pObj, const char *zFormat, va_list ap);
1449#endif
1450JX9_PRIVATE sxi32 jx9MemObjStore(jx9_value *pSrc, jx9_value *pDest);
1451JX9_PRIVATE sxi32 jx9MemObjLoad(jx9_value *pSrc, jx9_value *pDest);
1452JX9_PRIVATE sxi32 jx9MemObjRelease(jx9_value *pObj);
1453JX9_PRIVATE sxi32 jx9MemObjToNumeric(jx9_value *pObj);
1454JX9_PRIVATE sxi32 jx9MemObjTryInteger(jx9_value *pObj);
1455JX9_PRIVATE ProcMemObjCast jx9MemObjCastMethod(sxi32 iFlags);
1456JX9_PRIVATE sxi32 jx9MemObjIsNumeric(jx9_value *pObj);
1457JX9_PRIVATE sxi32 jx9MemObjIsEmpty(jx9_value *pObj);
1458JX9_PRIVATE sxi32 jx9MemObjToHashmap(jx9_value *pObj);
1459JX9_PRIVATE sxi32 jx9MemObjToString(jx9_value *pObj);
1460JX9_PRIVATE sxi32 jx9MemObjToNull(jx9_value *pObj);
1461JX9_PRIVATE sxi32 jx9MemObjToReal(jx9_value *pObj);
1462JX9_PRIVATE sxi32 jx9MemObjToInteger(jx9_value *pObj);
1463JX9_PRIVATE sxi32 jx9MemObjToBool(jx9_value *pObj);
1464JX9_PRIVATE sxi64 jx9TokenValueToInt64(SyString *pData);
1465/* lex.c function prototypes */
1466JX9_PRIVATE sxi32 jx9Tokenize(const char *zInput, sxu32 nLen, SySet *pOut);
1467/* vm.c function prototypes */
1468JX9_PRIVATE void jx9VmReleaseContextValue(jx9_context *pCtx, jx9_value *pValue);
1469JX9_PRIVATE sxi32 jx9VmInitFuncState(jx9_vm *pVm, jx9_vm_func *pFunc, const char *zName, sxu32 nByte,
1470 sxi32 iFlags, void *pUserData);
1471JX9_PRIVATE sxi32 jx9VmInstallUserFunction(jx9_vm *pVm, jx9_vm_func *pFunc, SyString *pName);
1472JX9_PRIVATE sxi32 jx9VmRegisterConstant(jx9_vm *pVm, const SyString *pName, ProcConstant xExpand, void *pUserData);
1473JX9_PRIVATE sxi32 jx9VmInstallForeignFunction(jx9_vm *pVm, const SyString *pName, ProcHostFunction xFunc, void *pUserData);
1474JX9_PRIVATE sxi32 jx9VmBlobConsumer(const void *pSrc, unsigned int nLen, void *pUserData);
1475JX9_PRIVATE jx9_value * jx9VmReserveMemObj(jx9_vm *pVm,sxu32 *pIndex);
1476JX9_PRIVATE jx9_value * jx9VmReserveConstObj(jx9_vm *pVm, sxu32 *pIndex);
1477JX9_PRIVATE sxi32 jx9VmOutputConsume(jx9_vm *pVm, SyString *pString);
1478JX9_PRIVATE sxi32 jx9VmOutputConsumeAp(jx9_vm *pVm, const char *zFormat, va_list ap);
1479JX9_PRIVATE sxi32 jx9VmThrowErrorAp(jx9_vm *pVm, SyString *pFuncName, sxi32 iErr, const char *zFormat, va_list ap);
1480JX9_PRIVATE sxi32 jx9VmThrowError(jx9_vm *pVm, SyString *pFuncName, sxi32 iErr, const char *zMessage);
1481JX9_PRIVATE void jx9VmExpandConstantValue(jx9_value *pVal, void *pUserData);
1482JX9_PRIVATE sxi32 jx9VmDump(jx9_vm *pVm, ProcConsumer xConsumer, void *pUserData);
1483JX9_PRIVATE sxi32 jx9VmInit(jx9_vm *pVm, jx9 *pEngine);
1484JX9_PRIVATE sxi32 jx9VmConfigure(jx9_vm *pVm, sxi32 nOp, va_list ap);
1485JX9_PRIVATE sxi32 jx9VmByteCodeExec(jx9_vm *pVm);
1486JX9_PRIVATE jx9_value * jx9VmExtractVariable(jx9_vm *pVm,SyString *pVar);
1487JX9_PRIVATE sxi32 jx9VmRelease(jx9_vm *pVm);
1488JX9_PRIVATE sxi32 jx9VmReset(jx9_vm *pVm);
1489JX9_PRIVATE sxi32 jx9VmMakeReady(jx9_vm *pVm);
1490JX9_PRIVATE sxu32 jx9VmInstrLength(jx9_vm *pVm);
1491JX9_PRIVATE VmInstr * jx9VmPopInstr(jx9_vm *pVm);
1492JX9_PRIVATE VmInstr * jx9VmPeekInstr(jx9_vm *pVm);
1493JX9_PRIVATE VmInstr *jx9VmGetInstr(jx9_vm *pVm, sxu32 nIndex);
1494JX9_PRIVATE SySet * jx9VmGetByteCodeContainer(jx9_vm *pVm);
1495JX9_PRIVATE sxi32 jx9VmSetByteCodeContainer(jx9_vm *pVm, SySet *pContainer);
1496JX9_PRIVATE sxi32 jx9VmEmitInstr(jx9_vm *pVm, sxi32 iOp, sxi32 iP1, sxu32 iP2, void *p3, sxu32 *pIndex);
1497JX9_PRIVATE sxu32 jx9VmRandomNum(jx9_vm *pVm);
1498JX9_PRIVATE sxi32 jx9VmCallUserFunction(jx9_vm *pVm, jx9_value *pFunc, int nArg, jx9_value **apArg, jx9_value *pResult);
1499JX9_PRIVATE sxi32 jx9VmCallUserFunctionAp(jx9_vm *pVm, jx9_value *pFunc, jx9_value *pResult, ...);
1500JX9_PRIVATE sxi32 jx9VmUnsetMemObj(jx9_vm *pVm, sxu32 nObjIdx);
1501JX9_PRIVATE void jx9VmRandomString(jx9_vm *pVm, char *zBuf, int nLen);
1502JX9_PRIVATE int jx9VmIsCallable(jx9_vm *pVm, jx9_value *pValue);
1503JX9_PRIVATE sxi32 jx9VmPushFilePath(jx9_vm *pVm, const char *zPath, int nLen, sxu8 bMain, sxi32 *pNew);
1504#ifndef JX9_DISABLE_BUILTIN_FUNC
1505JX9_PRIVATE const jx9_io_stream * jx9VmGetStreamDevice(jx9_vm *pVm, const char **pzDevice, int nByte);
1506#endif /* JX9_DISABLE_BUILTIN_FUNC */
1507JX9_PRIVATE int jx9Utf8Read(
1508 const unsigned char *z, /* First byte of UTF-8 character */
1509 const unsigned char *zTerm, /* Pretend this byte is 0x00 */
1510 const unsigned char **pzNext /* Write first byte past UTF-8 char here */
1511);
1512/* parse.c function prototypes */
1513JX9_PRIVATE int jx9IsLangConstruct(sxu32 nKeyID);
1514JX9_PRIVATE sxi32 jx9ExprMakeTree(jx9_gen_state *pGen, SySet *pExprNode, jx9_expr_node **ppRoot);
1515JX9_PRIVATE sxi32 jx9GetNextExpr(SyToken *pStart, SyToken *pEnd, SyToken **ppNext);
1516JX9_PRIVATE void jx9DelimitNestedTokens(SyToken *pIn, SyToken *pEnd, sxu32 nTokStart, sxu32 nTokEnd, SyToken **ppEnd);
1517JX9_PRIVATE const jx9_expr_op * jx9ExprExtractOperator(SyString *pStr, SyToken *pLast);
1518JX9_PRIVATE sxi32 jx9ExprFreeTree(jx9_gen_state *pGen, SySet *pNodeSet);
1519/* compile.c function prototypes */
1520JX9_PRIVATE ProcNodeConstruct jx9GetNodeHandler(sxu32 nNodeType);
1521JX9_PRIVATE sxi32 jx9CompileLangConstruct(jx9_gen_state *pGen, sxi32 iCompileFlag);
1522JX9_PRIVATE sxi32 jx9CompileJsonArray(jx9_gen_state *pGen, sxi32 iCompileFlag);
1523JX9_PRIVATE sxi32 jx9CompileJsonObject(jx9_gen_state *pGen, sxi32 iCompileFlag);
1524JX9_PRIVATE sxi32 jx9CompileVariable(jx9_gen_state *pGen, sxi32 iCompileFlag);
1525JX9_PRIVATE sxi32 jx9CompileLiteral(jx9_gen_state *pGen, sxi32 iCompileFlag);
1526JX9_PRIVATE sxi32 jx9CompileSimpleString(jx9_gen_state *pGen, sxi32 iCompileFlag);
1527JX9_PRIVATE sxi32 jx9CompileString(jx9_gen_state *pGen, sxi32 iCompileFlag);
1528JX9_PRIVATE sxi32 jx9CompileAnnonFunc(jx9_gen_state *pGen, sxi32 iCompileFlag);
1529JX9_PRIVATE sxi32 jx9InitCodeGenerator(jx9_vm *pVm, ProcConsumer xErr, void *pErrData);
1530JX9_PRIVATE sxi32 jx9ResetCodeGenerator(jx9_vm *pVm, ProcConsumer xErr, void *pErrData);
1531JX9_PRIVATE sxi32 jx9GenCompileError(jx9_gen_state *pGen, sxi32 nErrType, sxu32 nLine, const char *zFormat, ...);
1532JX9_PRIVATE sxi32 jx9CompileScript(jx9_vm *pVm, SyString *pScript, sxi32 iFlags);
1533/* constant.c function prototypes */
1534JX9_PRIVATE void jx9RegisterBuiltInConstant(jx9_vm *pVm);
1535/* builtin.c function prototypes */
1536JX9_PRIVATE void jx9RegisterBuiltInFunction(jx9_vm *pVm);
1537/* hashmap.c function prototypes */
1538JX9_PRIVATE jx9_hashmap * jx9NewHashmap(jx9_vm *pVm, sxu32 (*xIntHash)(sxi64), sxu32 (*xBlobHash)(const void *, sxu32));
1539JX9_PRIVATE sxi32 jx9HashmapLoadBuiltin(jx9_vm *pVm);
1540JX9_PRIVATE sxi32 jx9HashmapRelease(jx9_hashmap *pMap, int FreeDS);
1541JX9_PRIVATE void jx9HashmapUnref(jx9_hashmap *pMap);
1542JX9_PRIVATE sxi32 jx9HashmapLookup(jx9_hashmap *pMap, jx9_value *pKey, jx9_hashmap_node **ppNode);
1543JX9_PRIVATE sxi32 jx9HashmapInsert(jx9_hashmap *pMap, jx9_value *pKey, jx9_value *pVal);
1544JX9_PRIVATE sxi32 jx9HashmapUnion(jx9_hashmap *pLeft, jx9_hashmap *pRight);
1545JX9_PRIVATE sxi32 jx9HashmapDup(jx9_hashmap *pSrc, jx9_hashmap *pDest);
1546JX9_PRIVATE sxi32 jx9HashmapCmp(jx9_hashmap *pLeft, jx9_hashmap *pRight, int bStrict);
1547JX9_PRIVATE void jx9HashmapResetLoopCursor(jx9_hashmap *pMap);
1548JX9_PRIVATE jx9_hashmap_node * jx9HashmapGetNextEntry(jx9_hashmap *pMap);
1549JX9_PRIVATE jx9_value * jx9HashmapGetNodeValue(jx9_hashmap_node *pNode);
1550JX9_PRIVATE void jx9HashmapExtractNodeValue(jx9_hashmap_node *pNode, jx9_value *pValue, int bStore);
1551JX9_PRIVATE void jx9HashmapExtractNodeKey(jx9_hashmap_node *pNode, jx9_value *pKey);
1552JX9_PRIVATE void jx9RegisterHashmapFunctions(jx9_vm *pVm);
1553JX9_PRIVATE sxi32 jx9HashmapWalk(jx9_hashmap *pMap, int (*xWalk)(jx9_value *, jx9_value *, void *), void *pUserData);
1554#ifndef JX9_DISABLE_BUILTIN_FUNC
1555JX9_PRIVATE int jx9HashmapValuesToSet(jx9_hashmap *pMap, SySet *pOut);
1556/* builtin.c function prototypes */
1557JX9_PRIVATE sxi32 jx9InputFormat(int (*xConsumer)(jx9_context *, const char *, int, void *),
1558 jx9_context *pCtx, const char *zIn, int nByte, int nArg, jx9_value **apArg, void *pUserData, int vf);
1559JX9_PRIVATE sxi32 jx9ProcessCsv(const char *zInput, int nByte, int delim, int encl,
1560 int escape, sxi32 (*xConsumer)(const char *, int, void *), void *pUserData);
1561JX9_PRIVATE sxi32 jx9CsvConsumer(const char *zToken, int nTokenLen, void *pUserData);
1562JX9_PRIVATE sxi32 jx9StripTagsFromString(jx9_context *pCtx, const char *zIn, int nByte, const char *zTaglist, int nTaglen);
1563JX9_PRIVATE sxi32 jx9ParseIniString(jx9_context *pCtx, const char *zIn, sxu32 nByte, int bProcessSection);
1564#endif
1565/* vfs.c */
1566#ifndef JX9_DISABLE_BUILTIN_FUNC
1567JX9_PRIVATE void * jx9StreamOpenHandle(jx9_vm *pVm, const jx9_io_stream *pStream, const char *zFile,
1568 int iFlags, int use_include, jx9_value *pResource, int bPushInclude, int *pNew);
1569JX9_PRIVATE sxi32 jx9StreamReadWholeFile(void *pHandle, const jx9_io_stream *pStream, SyBlob *pOut);
1570JX9_PRIVATE void jx9StreamCloseHandle(const jx9_io_stream *pStream, void *pHandle);
1571#endif /* JX9_DISABLE_BUILTIN_FUNC */
1572JX9_PRIVATE const char * jx9ExtractDirName(const char *zPath, int nByte, int *pLen);
1573JX9_PRIVATE sxi32 jx9RegisterIORoutine(jx9_vm *pVm);
1574JX9_PRIVATE const jx9_vfs * jx9ExportBuiltinVfs(void);
1575JX9_PRIVATE void * jx9ExportStdin(jx9_vm *pVm);
1576JX9_PRIVATE void * jx9ExportStdout(jx9_vm *pVm);
1577JX9_PRIVATE void * jx9ExportStderr(jx9_vm *pVm);
1578/* lib.c function prototypes */
1579#ifndef JX9_DISABLE_BUILTIN_FUNC
1580JX9_PRIVATE sxi32 SyArchiveInit(SyArchive *pArch, SyMemBackend *pAllocator, ProcHash xHash, ProcRawStrCmp xCmp);
1581JX9_PRIVATE sxi32 SyArchiveRelease(SyArchive *pArch);
1582JX9_PRIVATE sxi32 SyArchiveResetLoopCursor(SyArchive *pArch);
1583JX9_PRIVATE sxi32 SyArchiveGetNextEntry(SyArchive *pArch, SyArchiveEntry **ppEntry);
1584JX9_PRIVATE sxi32 SyZipExtractFromBuf(SyArchive *pArch, const char *zBuf, sxu32 nLen);
1585#endif /* JX9_DISABLE_BUILTIN_FUNC */
1586#ifndef JX9_DISABLE_BUILTIN_FUNC
1587JX9_PRIVATE sxi32 SyBinToHexConsumer(const void *pIn, sxu32 nLen, ProcConsumer xConsumer, void *pConsumerData);
1588#endif /* JX9_DISABLE_BUILTIN_FUNC */
1589#ifndef JX9_DISABLE_BUILTIN_FUNC
1590#ifndef JX9_DISABLE_HASH_FUNC
1591JX9_PRIVATE sxu32 SyCrc32(const void *pSrc, sxu32 nLen);
1592JX9_PRIVATE void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len);
1593JX9_PRIVATE void MD5Final(unsigned char digest[16], MD5Context *ctx);
1594JX9_PRIVATE sxi32 MD5Init(MD5Context *pCtx);
1595JX9_PRIVATE sxi32 SyMD5Compute(const void *pIn, sxu32 nLen, unsigned char zDigest[16]);
1596JX9_PRIVATE void SHA1Init(SHA1Context *context);
1597JX9_PRIVATE void SHA1Update(SHA1Context *context, const unsigned char *data, unsigned int len);
1598JX9_PRIVATE void SHA1Final(SHA1Context *context, unsigned char digest[20]);
1599JX9_PRIVATE sxi32 SySha1Compute(const void *pIn, sxu32 nLen, unsigned char zDigest[20]);
1600#endif
1601#endif /* JX9_DISABLE_BUILTIN_FUNC */
1602JX9_PRIVATE sxi32 SyRandomness(SyPRNGCtx *pCtx, void *pBuf, sxu32 nLen);
1603JX9_PRIVATE sxi32 SyRandomnessInit(SyPRNGCtx *pCtx, ProcRandomSeed xSeed, void *pUserData);
1604JX9_PRIVATE sxu32 SyBufferFormat(char *zBuf, sxu32 nLen, const char *zFormat, ...);
1605JX9_PRIVATE sxu32 SyBlobFormatAp(SyBlob *pBlob, const char *zFormat, va_list ap);
1606JX9_PRIVATE sxu32 SyBlobFormat(SyBlob *pBlob, const char *zFormat, ...);
1607JX9_PRIVATE sxi32 SyProcFormat(ProcConsumer xConsumer, void *pData, const char *zFormat, ...);
1608#ifndef JX9_DISABLE_BUILTIN_FUNC
1609JX9_PRIVATE const char *SyTimeGetMonth(sxi32 iMonth);
1610JX9_PRIVATE const char *SyTimeGetDay(sxi32 iDay);
1611#endif /* JX9_DISABLE_BUILTIN_FUNC */
1612JX9_PRIVATE sxi32 SyUriDecode(const char *zSrc, sxu32 nLen, ProcConsumer xConsumer, void *pUserData, int bUTF8);
1613#ifndef JX9_DISABLE_BUILTIN_FUNC
1614JX9_PRIVATE sxi32 SyUriEncode(const char *zSrc, sxu32 nLen, ProcConsumer xConsumer, void *pUserData);
1615#endif
1616JX9_PRIVATE sxi32 SyLexRelease(SyLex *pLex);
1617JX9_PRIVATE sxi32 SyLexTokenizeInput(SyLex *pLex, const char *zInput, sxu32 nLen, void *pCtxData, ProcSort xSort, ProcCmp xCmp);
1618JX9_PRIVATE sxi32 SyLexInit(SyLex *pLex, SySet *pSet, ProcTokenizer xTokenizer, void *pUserData);
1619#ifndef JX9_DISABLE_BUILTIN_FUNC
1620JX9_PRIVATE sxi32 SyBase64Decode(const char *zB64, sxu32 nLen, ProcConsumer xConsumer, void *pUserData);
1621JX9_PRIVATE sxi32 SyBase64Encode(const char *zSrc, sxu32 nLen, ProcConsumer xConsumer, void *pUserData);
1622#endif /* JX9_DISABLE_BUILTIN_FUNC */
1623JX9_PRIVATE sxu32 SyBinHash(const void *pSrc, sxu32 nLen);
1624JX9_PRIVATE sxi32 SyStrToReal(const char *zSrc, sxu32 nLen, void *pOutVal, const char **zRest);
1625JX9_PRIVATE sxi32 SyBinaryStrToInt64(const char *zSrc, sxu32 nLen, void *pOutVal, const char **zRest);
1626JX9_PRIVATE sxi32 SyOctalStrToInt64(const char *zSrc, sxu32 nLen, void *pOutVal, const char **zRest);
1627JX9_PRIVATE sxi32 SyHexStrToInt64(const char *zSrc, sxu32 nLen, void *pOutVal, const char **zRest);
1628JX9_PRIVATE sxi32 SyHexToint(sxi32 c);
1629JX9_PRIVATE sxi32 SyStrToInt64(const char *zSrc, sxu32 nLen, void *pOutVal, const char **zRest);
1630JX9_PRIVATE sxi32 SyStrToInt32(const char *zSrc, sxu32 nLen, void *pOutVal, const char **zRest);
1631JX9_PRIVATE sxi32 SyStrIsNumeric(const char *zSrc, sxu32 nLen, sxu8 *pReal, const char **pzTail);
1632JX9_PRIVATE sxi32 SyHashInsert(SyHash *pHash, const void *pKey, sxu32 nKeyLen, void *pUserData);
1633JX9_PRIVATE sxi32 SyHashForEach(SyHash *pHash, sxi32(*xStep)(SyHashEntry *, void *), void *pUserData);
1634JX9_PRIVATE sxi32 SyHashDeleteEntry(SyHash *pHash, const void *pKey, sxu32 nKeyLen, void **ppUserData);
1635JX9_PRIVATE SyHashEntry *SyHashGet(SyHash *pHash, const void *pKey, sxu32 nKeyLen);
1636JX9_PRIVATE sxi32 SyHashRelease(SyHash *pHash);
1637JX9_PRIVATE sxi32 SyHashInit(SyHash *pHash, SyMemBackend *pAllocator, ProcHash xHash, ProcCmp xCmp);
1638JX9_PRIVATE void *SySetAt(SySet *pSet, sxu32 nIdx);
1639JX9_PRIVATE void *SySetPop(SySet *pSet);
1640JX9_PRIVATE void *SySetPeek(SySet *pSet);
1641JX9_PRIVATE sxi32 SySetRelease(SySet *pSet);
1642JX9_PRIVATE sxi32 SySetReset(SySet *pSet);
1643JX9_PRIVATE sxi32 SySetResetCursor(SySet *pSet);
1644JX9_PRIVATE sxi32 SySetGetNextEntry(SySet *pSet, void **ppEntry);
1645JX9_PRIVATE sxi32 SySetAlloc(SySet *pSet, sxi32 nItem);
1646JX9_PRIVATE sxi32 SySetPut(SySet *pSet, const void *pItem);
1647JX9_PRIVATE sxi32 SySetInit(SySet *pSet, SyMemBackend *pAllocator, sxu32 ElemSize);
1648#ifndef JX9_DISABLE_BUILTIN_FUNC
1649JX9_PRIVATE sxi32 SyBlobSearch(const void *pBlob, sxu32 nLen, const void *pPattern, sxu32 pLen, sxu32 *pOfft);
1650#endif
1651JX9_PRIVATE sxi32 SyBlobRelease(SyBlob *pBlob);
1652JX9_PRIVATE sxi32 SyBlobReset(SyBlob *pBlob);
1653JX9_PRIVATE sxi32 SyBlobTruncate(SyBlob *pBlob,sxu32 nNewLen);
1654JX9_PRIVATE sxi32 SyBlobDup(SyBlob *pSrc, SyBlob *pDest);
1655JX9_PRIVATE sxi32 SyBlobNullAppend(SyBlob *pBlob);
1656JX9_PRIVATE sxi32 SyBlobAppend(SyBlob *pBlob, const void *pData, sxu32 nSize);
1657JX9_PRIVATE sxi32 SyBlobReadOnly(SyBlob *pBlob, const void *pData, sxu32 nByte);
1658JX9_PRIVATE sxi32 SyBlobInit(SyBlob *pBlob, SyMemBackend *pAllocator);
1659JX9_PRIVATE sxi32 SyBlobInitFromBuf(SyBlob *pBlob, void *pBuffer, sxu32 nSize);
1660JX9_PRIVATE char *SyMemBackendStrDup(SyMemBackend *pBackend, const char *zSrc, sxu32 nSize);
1661JX9_PRIVATE void *SyMemBackendDup(SyMemBackend *pBackend, const void *pSrc, sxu32 nSize);
1662JX9_PRIVATE sxi32 SyMemBackendRelease(SyMemBackend *pBackend);
1663JX9_PRIVATE sxi32 SyMemBackendInitFromOthers(SyMemBackend *pBackend, const SyMemMethods *pMethods, ProcMemError xMemErr, void *pUserData);
1664JX9_PRIVATE sxi32 SyMemBackendInit(SyMemBackend *pBackend, ProcMemError xMemErr, void *pUserData);
1665JX9_PRIVATE sxi32 SyMemBackendInitFromParent(SyMemBackend *pBackend,const SyMemBackend *pParent);
1666#if 0
1667/* Not used in the current release of the JX9 engine */
1668JX9_PRIVATE void *SyMemBackendPoolRealloc(SyMemBackend *pBackend, void *pOld, sxu32 nByte);
1669#endif
1670JX9_PRIVATE sxi32 SyMemBackendPoolFree(SyMemBackend *pBackend, void *pChunk);
1671JX9_PRIVATE void *SyMemBackendPoolAlloc(SyMemBackend *pBackend, sxu32 nByte);
1672JX9_PRIVATE sxi32 SyMemBackendFree(SyMemBackend *pBackend, void *pChunk);
1673JX9_PRIVATE void *SyMemBackendRealloc(SyMemBackend *pBackend, void *pOld, sxu32 nByte);
1674JX9_PRIVATE void *SyMemBackendAlloc(SyMemBackend *pBackend, sxu32 nByte);
1675JX9_PRIVATE sxu32 SyMemcpy(const void *pSrc, void *pDest, sxu32 nLen);
1676JX9_PRIVATE sxi32 SyMemcmp(const void *pB1, const void *pB2, sxu32 nSize);
1677JX9_PRIVATE void SyZero(void *pSrc, sxu32 nSize);
1678JX9_PRIVATE sxi32 SyStrnicmp(const char *zLeft, const char *zRight, sxu32 SLen);
1679JX9_PRIVATE sxu32 Systrcpy(char *zDest, sxu32 nDestLen, const char *zSrc, sxu32 nLen);
1680#if !defined(JX9_DISABLE_BUILTIN_FUNC) || defined(__APPLE__)
1681JX9_PRIVATE sxi32 SyStrncmp(const char *zLeft, const char *zRight, sxu32 nLen);
1682#endif
1683JX9_PRIVATE sxi32 SyByteListFind(const char *zSrc, sxu32 nLen, const char *zList, sxu32 *pFirstPos);
1684#ifndef JX9_DISABLE_BUILTIN_FUNC
1685JX9_PRIVATE sxi32 SyByteFind2(const char *zStr, sxu32 nLen, sxi32 c, sxu32 *pPos);
1686#endif
1687JX9_PRIVATE sxi32 SyByteFind(const char *zStr, sxu32 nLen, sxi32 c, sxu32 *pPos);
1688JX9_PRIVATE sxu32 SyStrlen(const char *zSrc);
1689#if defined(JX9_ENABLE_THREADS)
1690JX9_PRIVATE const SyMutexMethods *SyMutexExportMethods(void);
1691JX9_PRIVATE sxi32 SyMemBackendMakeThreadSafe(SyMemBackend *pBackend, const SyMutexMethods *pMethods);
1692JX9_PRIVATE sxi32 SyMemBackendDisbaleMutexing(SyMemBackend *pBackend);
1693#endif
1694JX9_PRIVATE void SyBigEndianPack32(unsigned char *buf,sxu32 nb);
1695JX9_PRIVATE void SyBigEndianUnpack32(const unsigned char *buf,sxu32 *uNB);
1696JX9_PRIVATE void SyBigEndianPack16(unsigned char *buf,sxu16 nb);
1697JX9_PRIVATE void SyBigEndianUnpack16(const unsigned char *buf,sxu16 *uNB);
1698JX9_PRIVATE void SyBigEndianPack64(unsigned char *buf,sxu64 n64);
1699JX9_PRIVATE void SyBigEndianUnpack64(const unsigned char *buf,sxu64 *n64);
1700JX9_PRIVATE sxi32 SyBlobAppendBig64(SyBlob *pBlob,sxu64 n64);
1701JX9_PRIVATE sxi32 SyBlobAppendBig32(SyBlob *pBlob,sxu32 n32);
1702JX9_PRIVATE sxi32 SyBlobAppendBig16(SyBlob *pBlob,sxu16 n16);
1703JX9_PRIVATE void SyTimeFormatToDos(Sytm *pFmt,sxu32 *pOut);
1704JX9_PRIVATE void SyDosTimeFormat(sxu32 nDosDate, Sytm *pOut);
1705#endif /* __JX9INT_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 14:17:06 +0000