bb6b2dcd |
1 | /* @(#) pf_save.c 98/01/26 1.3 */\r |
2 | /***************************************************************\r |
3 | ** Save and Load Dictionary\r |
4 | ** for PForth based on 'C'\r |
5 | **\r |
6 | ** Compile file based version or static data based version\r |
7 | ** depending on PF_NO_FILEIO switch.\r |
8 | **\r |
9 | ** Author: Phil Burk\r |
10 | ** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom\r |
11 | **\r |
12 | ** The pForth software code is dedicated to the public domain,\r |
13 | ** and any third party may reproduce, distribute and modify\r |
14 | ** the pForth software code or any derivative works thereof\r |
15 | ** without any compensation or license. The pForth software\r |
16 | ** code is provided on an "as is" basis without any warranty\r |
17 | ** of any kind, including, without limitation, the implied\r |
18 | ** warranties of merchantability and fitness for a particular\r |
19 | ** purpose and their equivalents under the laws of any jurisdiction.\r |
20 | **\r |
21 | ****************************************************************\r |
22 | ** 940225 PLB Fixed CodePtr save, was using NAMEREL instead of CODEREL\r |
23 | ** This would only work if the relative location\r |
24 | ** of names and code was the same when saved and reloaded.\r |
25 | ** 940228 PLB Added PF_NO_FILEIO version\r |
26 | ** 961204 PLB Added PF_STATIC_DIC\r |
27 | ** 000623 PLB Cast chars as uint32 before shifting for 16 bit systems.\r |
28 | ***************************************************************/\r |
29 | \r |
30 | #include "pf_all.h"\r |
31 | \r |
32 | /* If no File I/O, then force static dictionary. */\r |
33 | #ifdef PF_NO_FILEIO\r |
34 | #ifndef PF_STATIC_DIC\r |
35 | #define PF_STATIC_DIC\r |
36 | #endif\r |
37 | #endif\r |
38 | \r |
39 | #ifdef PF_STATIC_DIC\r |
40 | #include "pfdicdat.h"\r |
41 | #endif\r |
42 | \r |
43 | /*\r |
44 | Dictionary File Format based on IFF standard.\r |
45 | The chunk IDs, sizes, and data values are all Big Endian in conformance with the IFF standard.\r |
46 | The dictionaries may be big or little endian.\r |
47 | 'FORM'\r |
48 | size\r |
49 | 'P4TH' - Form Identifier\r |
50 | \r |
51 | Chunks\r |
52 | 'P4DI'\r |
53 | size\r |
54 | struct DictionaryInfoChunk\r |
55 | \r |
56 | 'P4NM'\r |
57 | size\r |
58 | Name and Header portion of dictionary. (Big or Little Endian) (Optional)\r |
59 | \r |
60 | 'P4CD'\r |
61 | size\r |
62 | Code portion of dictionary. (Big or Little Endian) \r |
63 | */\r |
64 | \r |
65 | \r |
66 | /***************************************************************/\r |
67 | /* Endian-ness tools. */\r |
68 | uint32 ReadLongBigEndian( const uint32 *addr )\r |
69 | {\r |
70 | const unsigned char *bp = (const unsigned char *) addr;\r |
71 | /* We must cast char to uint32 before shifting because\r |
72 | ** of systems with 16 bit ints. 000623 */\r |
73 | uint32 temp = ((uint32)bp[0])<<24;\r |
74 | temp |= ((uint32)bp[1])<<16;\r |
75 | temp |= ((uint32)bp[2])<<8;\r |
76 | temp |= ((uint32)bp[3]);\r |
77 | return temp;\r |
78 | }\r |
79 | /***************************************************************/\r |
80 | uint16 ReadShortBigEndian( const uint16 *addr )\r |
81 | {\r |
82 | const unsigned char *bp = (const unsigned char *) addr;\r |
83 | return (uint16) ((bp[0]<<8) | bp[1]);\r |
84 | }\r |
85 | \r |
86 | /***************************************************************/\r |
87 | uint32 ReadLongLittleEndian( const uint32 *addr )\r |
88 | {\r |
89 | const unsigned char *bp = (const unsigned char *) addr;\r |
90 | /* We must cast char to uint32 before shifting because\r |
91 | ** of systems with 16 bit ints. 000623 */\r |
92 | uint32 temp = ((uint32)bp[3])<<24;\r |
93 | temp |= ((uint32)bp[2])<<16;\r |
94 | temp |= ((uint32)bp[1])<<8;\r |
95 | temp |= ((uint32)bp[0]);\r |
96 | return temp;\r |
97 | }\r |
98 | /***************************************************************/\r |
99 | uint16 ReadShortLittleEndian( const uint16 *addr )\r |
100 | {\r |
101 | const unsigned char *bp = (const unsigned char *) addr;\r |
102 | return (uint16) ((bp[1]<<8) | bp[0]);\r |
103 | }\r |
104 | \r |
105 | #ifdef PF_SUPPORT_FP\r |
106 | \r |
107 | /***************************************************************/\r |
108 | static void ReverseCopyFloat( const PF_FLOAT *src, PF_FLOAT *dst );\r |
109 | \r |
110 | static void ReverseCopyFloat( const PF_FLOAT *src, PF_FLOAT *dst )\r |
111 | {\r |
112 | int i;\r |
113 | unsigned char *d = (unsigned char *) dst;\r |
114 | const unsigned char *s = (const unsigned char *) src;\r |
115 | \r |
116 | for( i=0; i<sizeof(PF_FLOAT); i++ )\r |
117 | {\r |
118 | d[i] = s[sizeof(PF_FLOAT) - 1 - i];\r |
119 | }\r |
120 | }\r |
121 | \r |
122 | /***************************************************************/\r |
123 | void WriteFloatBigEndian( PF_FLOAT *addr, PF_FLOAT data )\r |
124 | {\r |
125 | if( IsHostLittleEndian() )\r |
126 | {\r |
127 | ReverseCopyFloat( &data, addr );\r |
128 | }\r |
129 | else\r |
130 | {\r |
131 | *addr = data;\r |
132 | }\r |
133 | }\r |
134 | \r |
135 | /***************************************************************/\r |
136 | PF_FLOAT ReadFloatBigEndian( const PF_FLOAT *addr )\r |
137 | {\r |
138 | PF_FLOAT data;\r |
139 | if( IsHostLittleEndian() )\r |
140 | {\r |
141 | ReverseCopyFloat( addr, &data );\r |
142 | return data;\r |
143 | }\r |
144 | else\r |
145 | {\r |
146 | return *addr;\r |
147 | }\r |
148 | }\r |
149 | \r |
150 | /***************************************************************/\r |
151 | void WriteFloatLittleEndian( PF_FLOAT *addr, PF_FLOAT data )\r |
152 | {\r |
153 | if( IsHostLittleEndian() )\r |
154 | {\r |
155 | *addr = data;\r |
156 | }\r |
157 | else\r |
158 | {\r |
159 | ReverseCopyFloat( &data, addr );\r |
160 | }\r |
161 | }\r |
162 | \r |
163 | /***************************************************************/\r |
164 | PF_FLOAT ReadFloatLittleEndian( const PF_FLOAT *addr )\r |
165 | {\r |
166 | PF_FLOAT data;\r |
167 | if( IsHostLittleEndian() )\r |
168 | {\r |
169 | return *addr;\r |
170 | }\r |
171 | else\r |
172 | {\r |
173 | ReverseCopyFloat( addr, &data );\r |
174 | return data;\r |
175 | }\r |
176 | }\r |
177 | \r |
178 | #endif /* PF_SUPPORT_FP */\r |
179 | \r |
180 | /***************************************************************/\r |
181 | void WriteLongBigEndian( uint32 *addr, uint32 data )\r |
182 | {\r |
183 | unsigned char *bp = (unsigned char *) addr;\r |
184 | \r |
185 | bp[0] = (unsigned char) (data>>24);\r |
186 | bp[1] = (unsigned char) (data>>16);\r |
187 | bp[2] = (unsigned char) (data>>8);\r |
188 | bp[3] = (unsigned char) (data);\r |
189 | }\r |
190 | \r |
191 | /***************************************************************/\r |
192 | void WriteShortBigEndian( uint16 *addr, uint16 data )\r |
193 | {\r |
194 | unsigned char *bp = (unsigned char *) addr;\r |
195 | \r |
196 | bp[0] = (unsigned char) (data>>8);\r |
197 | bp[1] = (unsigned char) (data);\r |
198 | }\r |
199 | \r |
200 | /***************************************************************/\r |
201 | void WriteLongLittleEndian( uint32 *addr, uint32 data )\r |
202 | {\r |
203 | unsigned char *bp = (unsigned char *) addr;\r |
204 | \r |
205 | bp[0] = (unsigned char) (data);\r |
206 | bp[1] = (unsigned char) (data>>8);\r |
207 | bp[2] = (unsigned char) (data>>16);\r |
208 | bp[3] = (unsigned char) (data>>24);\r |
209 | }\r |
210 | /***************************************************************/\r |
211 | void WriteShortLittleEndian( uint16 *addr, uint16 data )\r |
212 | {\r |
213 | unsigned char *bp = (unsigned char *) addr;\r |
214 | \r |
215 | bp[0] = (unsigned char) (data);\r |
216 | bp[1] = (unsigned char) (data>>8);\r |
217 | }\r |
218 | \r |
219 | /***************************************************************/\r |
220 | /* Return 1 if host CPU is Little Endian */\r |
221 | int IsHostLittleEndian( void )\r |
222 | {\r |
223 | static int gEndianCheck = 1;\r |
224 | unsigned char *bp = (unsigned char *) &gEndianCheck;\r |
225 | return (int) (*bp); /* Return byte pointed to by address. If LSB then == 1 */\r |
226 | }\r |
227 | \r |
228 | #if defined(PF_NO_FILEIO) || defined(PF_NO_SHELL)\r |
229 | \r |
230 | int32 ffSaveForth( const char *FileName, ExecToken EntryPoint, int32 NameSize, int32 CodeSize)\r |
231 | {\r |
232 | TOUCH(FileName);\r |
233 | TOUCH(EntryPoint);\r |
234 | TOUCH(NameSize);\r |
235 | TOUCH(CodeSize);\r |
236 | \r |
237 | pfReportError("ffSaveForth", PF_ERR_NOT_SUPPORTED);\r |
238 | return -1;\r |
239 | }\r |
240 | \r |
241 | #else /* PF_NO_FILEIO or PF_NO_SHELL */\r |
242 | \r |
243 | /***************************************************************/\r |
244 | static int32 WriteLong( FileStream *fid, int32 Val )\r |
245 | {\r |
246 | int32 numw;\r |
247 | uint32 pad;\r |
248 | \r |
249 | WriteLongBigEndian(&pad,Val);\r |
250 | numw = sdWriteFile( (char *) &pad, 1, sizeof(int32), fid );\r |
251 | if( numw != sizeof(int32) ) return -1;\r |
252 | return 0;\r |
253 | }\r |
254 | \r |
255 | /***************************************************************/\r |
256 | static int32 WriteChunk( FileStream *fid, int32 ID, char *Data, int32 NumBytes )\r |
257 | {\r |
258 | int32 numw;\r |
259 | int32 EvenNumW;\r |
260 | \r |
261 | EvenNumW = EVENUP(NumBytes);\r |
262 | \r |
263 | if( WriteLong( fid, ID ) < 0 ) goto error;\r |
264 | if( WriteLong( fid, EvenNumW ) < 0 ) goto error;\r |
265 | \r |
266 | numw = sdWriteFile( Data, 1, EvenNumW, fid );\r |
267 | if( numw != EvenNumW ) goto error;\r |
268 | return 0;\r |
269 | error:\r |
270 | pfReportError("WriteChunk", PF_ERR_WRITE_FILE);\r |
271 | return -1;\r |
272 | }\r |
273 | \r |
274 | /****************************************************************\r |
275 | ** Save Dictionary in File.\r |
276 | ** If EntryPoint is NULL, save as development environment.\r |
277 | ** If EntryPoint is non-NULL, save as turnKey environment with no names.\r |
278 | */\r |
279 | int32 ffSaveForth( const char *FileName, ExecToken EntryPoint, int32 NameSize, int32 CodeSize)\r |
280 | {\r |
281 | FileStream *fid;\r |
282 | DictionaryInfoChunk SD;\r |
283 | int32 FormSize;\r |
284 | int32 NameChunkSize = 0;\r |
285 | int32 CodeChunkSize;\r |
286 | uint32 rhp, rcp;\r |
287 | uint32 *p;\r |
288 | int i;\r |
289 | \r |
290 | fid = sdOpenFile( FileName, "wb" );\r |
291 | if( fid == NULL )\r |
292 | {\r |
293 | pfReportError("pfSaveDictionary", PF_ERR_OPEN_FILE);\r |
294 | return -1;\r |
295 | }\r |
296 | \r |
297 | /* Save in uninitialized form. */\r |
298 | pfExecIfDefined("AUTO.TERM");\r |
299 | \r |
300 | /* Write FORM Header ---------------------------- */\r |
301 | if( WriteLong( fid, ID_FORM ) < 0 ) goto error;\r |
302 | if( WriteLong( fid, 0 ) < 0 ) goto error;\r |
303 | if( WriteLong( fid, ID_P4TH ) < 0 ) goto error;\r |
304 | \r |
305 | /* Write P4DI Dictionary Info ------------------ */\r |
306 | SD.sd_Version = PF_FILE_VERSION;\r |
307 | \r |
308 | rcp = ABS_TO_CODEREL(gCurrentDictionary->dic_CodePtr.Byte); /* 940225 */\r |
309 | SD.sd_RelCodePtr = rcp; \r |
310 | SD.sd_UserStackSize = sizeof(cell) * (gCurrentTask->td_StackBase - gCurrentTask->td_StackLimit);\r |
311 | SD.sd_ReturnStackSize = sizeof(cell) * (gCurrentTask->td_ReturnBase - gCurrentTask->td_ReturnLimit);\r |
312 | SD.sd_NumPrimitives = gNumPrimitives; /* Must match compiled dictionary. */\r |
313 | \r |
314 | #ifdef PF_SUPPORT_FP\r |
315 | SD.sd_FloatSize = sizeof(PF_FLOAT); /* Must match compiled dictionary. */\r |
316 | #else\r |
317 | SD.sd_FloatSize = 0;\r |
318 | #endif\r |
319 | \r |
320 | SD.sd_Reserved = 0;\r |
321 | \r |
322 | /* Set bit that specifiec whether dictionary is BIG or LITTLE Endian. */\r |
323 | {\r |
324 | #if defined(PF_BIG_ENDIAN_DIC)\r |
325 | int eflag = SD_F_BIG_ENDIAN_DIC;\r |
326 | #elif defined(PF_LITTLE_ENDIAN_DIC)\r |
327 | int eflag = 0;\r |
328 | #else\r |
329 | int eflag = IsHostLittleEndian() ? 0 : SD_F_BIG_ENDIAN_DIC;\r |
330 | #endif\r |
331 | SD.sd_Flags = eflag;\r |
332 | }\r |
333 | \r |
334 | if( EntryPoint )\r |
335 | {\r |
336 | SD.sd_EntryPoint = EntryPoint; /* Turnkey! */\r |
337 | }\r |
338 | else\r |
339 | {\r |
340 | SD.sd_EntryPoint = 0;\r |
341 | }\r |
342 | \r |
343 | /* Do we save names? */\r |
344 | if( NameSize == 0 )\r |
345 | {\r |
346 | SD.sd_RelContext = 0;\r |
347 | SD.sd_RelHeaderPtr = 0;\r |
348 | SD.sd_NameSize = 0;\r |
349 | }\r |
350 | else\r |
351 | {\r |
352 | /* Development mode. */\r |
353 | SD.sd_RelContext = ABS_TO_NAMEREL(gVarContext);\r |
354 | rhp = ABS_TO_NAMEREL(gCurrentDictionary->dic_HeaderPtr.Byte);\r |
355 | SD.sd_RelHeaderPtr = rhp;\r |
356 | \r |
357 | /* How much real name space is there? */\r |
358 | NameChunkSize = QUADUP(rhp); /* Align */\r |
359 | \r |
360 | /* NameSize must be 0 or greater than NameChunkSize + 1K */\r |
361 | NameSize = QUADUP(NameSize); /* Align */\r |
362 | if( NameSize > 0 )\r |
363 | {\r |
364 | NameSize = MAX( NameSize, (NameChunkSize + 1024) );\r |
365 | }\r |
366 | SD.sd_NameSize = NameSize;\r |
367 | }\r |
368 | \r |
369 | /* How much real code is there? */\r |
370 | CodeChunkSize = QUADUP(rcp);\r |
371 | CodeSize = QUADUP(CodeSize); /* Align */\r |
372 | CodeSize = MAX( CodeSize, (CodeChunkSize + 2048) );\r |
373 | SD.sd_CodeSize = CodeSize;\r |
374 | \r |
375 | \r |
376 | /* Convert all fields in structure from Native to BigEndian. */\r |
377 | p = (uint32 *) &SD;\r |
378 | for( i=0; i<((int)(sizeof(SD)/sizeof(int32))); i++ )\r |
379 | {\r |
380 | WriteLongBigEndian( &p[i], p[i] );\r |
381 | }\r |
382 | \r |
383 | if( WriteChunk( fid, ID_P4DI, (char *) &SD, sizeof(DictionaryInfoChunk) ) < 0 ) goto error;\r |
384 | \r |
385 | /* Write Name Fields if NameSize non-zero ------- */\r |
386 | if( NameSize > 0 )\r |
387 | {\r |
388 | if( WriteChunk( fid, ID_P4NM, (char *) NAME_BASE,\r |
389 | NameChunkSize ) < 0 ) goto error;\r |
390 | }\r |
391 | \r |
392 | /* Write Code Fields ---------------------------- */\r |
393 | if( WriteChunk( fid, ID_P4CD, (char *) CODE_BASE,\r |
394 | CodeChunkSize ) < 0 ) goto error;\r |
395 | \r |
396 | FormSize = sdTellFile( fid ) - 8;\r |
397 | sdSeekFile( fid, 4, PF_SEEK_SET );\r |
398 | if( WriteLong( fid, FormSize ) < 0 ) goto error;\r |
399 | \r |
400 | sdCloseFile( fid );\r |
401 | \r |
402 | \r |
403 | \r |
404 | /* Restore initialization. */\r |
405 | \r |
406 | pfExecIfDefined("AUTO.INIT");\r |
407 | \r |
408 | return 0;\r |
409 | \r |
410 | error:\r |
411 | sdSeekFile( fid, 0, PF_SEEK_SET );\r |
412 | WriteLong( fid, ID_BADF ); /* Mark file as bad. */\r |
413 | sdCloseFile( fid );\r |
414 | \r |
415 | /* Restore initialization. */\r |
416 | \r |
417 | pfExecIfDefined("AUTO.INIT");\r |
418 | \r |
419 | return -1;\r |
420 | }\r |
421 | \r |
422 | #endif /* !PF_NO_FILEIO and !PF_NO_SHELL */\r |
423 | \r |
424 | \r |
425 | #ifndef PF_NO_FILEIO\r |
426 | \r |
427 | /***************************************************************/\r |
428 | static int32 ReadLong( FileStream *fid, int32 *ValPtr )\r |
429 | {\r |
430 | int32 numr;\r |
431 | uint32 temp;\r |
432 | \r |
433 | numr = sdReadFile( &temp, 1, sizeof(int32), fid );\r |
434 | if( numr != sizeof(int32) ) return -1;\r |
435 | *ValPtr = ReadLongBigEndian( &temp );\r |
436 | return 0;\r |
437 | }\r |
438 | \r |
439 | /***************************************************************/\r |
440 | PForthDictionary pfLoadDictionary( const char *FileName, ExecToken *EntryPointPtr )\r |
441 | {\r |
442 | pfDictionary_t *dic = NULL;\r |
443 | FileStream *fid;\r |
444 | DictionaryInfoChunk *sd;\r |
445 | int32 ChunkID;\r |
446 | int32 ChunkSize;\r |
447 | int32 FormSize;\r |
448 | int32 BytesLeft;\r |
449 | int32 numr;\r |
450 | uint32 *p;\r |
451 | int i;\r |
452 | int isDicBigEndian;\r |
453 | \r |
454 | DBUG(("pfLoadDictionary( %s )\n", FileName ));\r |
455 | \r |
456 | /* Open file. */\r |
457 | fid = sdOpenFile( FileName, "rb" );\r |
458 | if( fid == NULL )\r |
459 | {\r |
460 | pfReportError("pfLoadDictionary", PF_ERR_OPEN_FILE);\r |
461 | goto xt_error;\r |
462 | }\r |
463 | \r |
464 | /* Read FORM, Size, ID */\r |
465 | if (ReadLong( fid, &ChunkID ) < 0) goto read_error;\r |
466 | if( ChunkID != ID_FORM )\r |
467 | {\r |
468 | pfReportError("pfLoadDictionary", PF_ERR_WRONG_FILE);\r |
469 | goto error;\r |
470 | }\r |
471 | \r |
472 | if (ReadLong( fid, &FormSize ) < 0) goto read_error;\r |
473 | BytesLeft = FormSize;\r |
474 | \r |
475 | if (ReadLong( fid, &ChunkID ) < 0) goto read_error;\r |
476 | BytesLeft -= 4;\r |
477 | if( ChunkID != ID_P4TH )\r |
478 | {\r |
479 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE);\r |
480 | goto error;\r |
481 | }\r |
482 | \r |
483 | /* Scan and parse all chunks in file. */\r |
484 | while( BytesLeft > 0 )\r |
485 | {\r |
486 | if (ReadLong( fid, &ChunkID ) < 0) goto read_error;\r |
487 | if (ReadLong( fid, &ChunkSize ) < 0) goto read_error;\r |
488 | BytesLeft -= 8;\r |
489 | \r |
490 | DBUG(("ChunkID = %4s, Size = %d\n", &ChunkID, ChunkSize ));\r |
491 | \r |
492 | switch( ChunkID )\r |
493 | {\r |
494 | case ID_P4DI:\r |
495 | sd = (DictionaryInfoChunk *) pfAllocMem( ChunkSize );\r |
496 | if( sd == NULL ) goto nomem_error;\r |
497 | \r |
498 | numr = sdReadFile( sd, 1, ChunkSize, fid );\r |
499 | if( numr != ChunkSize ) goto read_error;\r |
500 | BytesLeft -= ChunkSize;\r |
501 | \r |
502 | /* Convert all fields in structure from BigEndian to Native. */\r |
503 | p = (uint32 *) sd;\r |
504 | for( i=0; i<((int)(sizeof(*sd)/sizeof(int32))); i++ )\r |
505 | {\r |
506 | p[i] = ReadLongBigEndian( &p[i] );\r |
507 | }\r |
508 | \r |
509 | isDicBigEndian = sd->sd_Flags & SD_F_BIG_ENDIAN_DIC;\r |
510 | \r |
511 | if( !gVarQuiet )\r |
512 | {\r |
513 | MSG("pForth loading dictionary from file "); MSG(FileName);\r |
514 | EMIT_CR;\r |
515 | MSG_NUM_D(" File format version is ", sd->sd_Version );\r |
516 | MSG_NUM_D(" Name space size = ", sd->sd_NameSize );\r |
517 | MSG_NUM_D(" Code space size = ", sd->sd_CodeSize );\r |
518 | MSG_NUM_D(" Entry Point = ", sd->sd_EntryPoint );\r |
519 | MSG( (isDicBigEndian ? " Big Endian Dictionary" :\r |
520 | " Little Endian Dictionary") );\r |
521 | if( isDicBigEndian == IsHostLittleEndian() ) MSG(" !!!!");\r |
522 | EMIT_CR;\r |
523 | }\r |
524 | \r |
525 | if( sd->sd_Version > PF_FILE_VERSION )\r |
526 | {\r |
527 | pfReportError("pfLoadDictionary", PF_ERR_VERSION_FUTURE );\r |
528 | goto error;\r |
529 | }\r |
530 | if( sd->sd_Version < PF_EARLIEST_FILE_VERSION )\r |
531 | {\r |
532 | pfReportError("pfLoadDictionary", PF_ERR_VERSION_PAST );\r |
533 | goto error;\r |
534 | }\r |
535 | if( sd->sd_NumPrimitives > NUM_PRIMITIVES )\r |
536 | {\r |
537 | pfReportError("pfLoadDictionary", PF_ERR_NOT_SUPPORTED );\r |
538 | goto error;\r |
539 | }\r |
540 | \r |
541 | /* Check to make sure that EndianNess of dictionary matches mode of pForth. */\r |
542 | #if defined(PF_BIG_ENDIAN_DIC)\r |
543 | if(isDicBigEndian == 0)\r |
544 | #elif defined(PF_LITTLE_ENDIAN_DIC)\r |
545 | if(isDicBigEndian == 1)\r |
546 | #else\r |
547 | if( isDicBigEndian == IsHostLittleEndian() )\r |
548 | #endif\r |
549 | {\r |
550 | pfReportError("pfLoadDictionary", PF_ERR_ENDIAN_CONFLICT );\r |
551 | goto error;\r |
552 | }\r |
553 | \r |
554 | /* Check for compatible float size. */\r |
555 | #ifdef PF_SUPPORT_FP\r |
556 | if( sd->sd_FloatSize != sizeof(PF_FLOAT) )\r |
557 | #else\r |
558 | if( sd->sd_FloatSize != 0 )\r |
559 | #endif\r |
560 | {\r |
561 | pfReportError("pfLoadDictionary", PF_ERR_FLOAT_CONFLICT );\r |
562 | goto error;\r |
563 | }\r |
564 | \r |
565 | dic = pfCreateDictionary( sd->sd_NameSize, sd->sd_CodeSize );\r |
566 | if( dic == NULL ) goto nomem_error;\r |
567 | gCurrentDictionary = dic;\r |
568 | if( sd->sd_NameSize > 0 )\r |
569 | {\r |
570 | gVarContext = (char *) NAMEREL_TO_ABS(sd->sd_RelContext); /* Restore context. */\r |
571 | gCurrentDictionary->dic_HeaderPtr.Byte = (uint8 *)\r |
572 | NAMEREL_TO_ABS(sd->sd_RelHeaderPtr);\r |
573 | }\r |
574 | else\r |
575 | {\r |
576 | gVarContext = 0;\r |
577 | gCurrentDictionary->dic_HeaderPtr.Byte = NULL;\r |
578 | }\r |
579 | gCurrentDictionary->dic_CodePtr.Byte = (uint8 *) CODEREL_TO_ABS(sd->sd_RelCodePtr);\r |
580 | gNumPrimitives = sd->sd_NumPrimitives; /* Must match compiled dictionary. */\r |
581 | /* Pass EntryPoint back to caller. */\r |
582 | if( EntryPointPtr != NULL ) *EntryPointPtr = sd->sd_EntryPoint;\r |
583 | pfFreeMem(sd);\r |
584 | break;\r |
585 | \r |
586 | case ID_P4NM:\r |
587 | #ifdef PF_NO_SHELL\r |
588 | pfReportError("pfLoadDictionary", PF_ERR_NO_SHELL );\r |
589 | goto error;\r |
590 | #else\r |
591 | if( NAME_BASE == NULL )\r |
592 | {\r |
593 | pfReportError("pfLoadDictionary", PF_ERR_NO_NAMES );\r |
594 | goto error;\r |
595 | }\r |
596 | if( gCurrentDictionary == NULL )\r |
597 | {\r |
598 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE );\r |
599 | goto error;\r |
600 | }\r |
601 | if( ChunkSize > NAME_SIZE )\r |
602 | {\r |
603 | pfReportError("pfLoadDictionary", PF_ERR_TOO_BIG);\r |
604 | goto error;\r |
605 | }\r |
606 | numr = sdReadFile( NAME_BASE, 1, ChunkSize, fid );\r |
607 | if( numr != ChunkSize ) goto read_error;\r |
608 | BytesLeft -= ChunkSize;\r |
609 | #endif /* PF_NO_SHELL */\r |
610 | break;\r |
611 | \r |
612 | case ID_P4CD:\r |
613 | if( gCurrentDictionary == NULL )\r |
614 | {\r |
615 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE );\r |
616 | goto error;\r |
617 | }\r |
618 | if( ChunkSize > CODE_SIZE )\r |
619 | {\r |
620 | pfReportError("pfLoadDictionary", PF_ERR_TOO_BIG);\r |
621 | goto error;\r |
622 | }\r |
623 | numr = sdReadFile( CODE_BASE, 1, ChunkSize, fid );\r |
624 | if( numr != ChunkSize ) goto read_error;\r |
625 | BytesLeft -= ChunkSize;\r |
626 | break;\r |
627 | \r |
628 | default:\r |
629 | pfReportError("pfLoadDictionary", PF_ERR_BAD_FILE );\r |
630 | sdSeekFile( fid, ChunkSize, PF_SEEK_CUR );\r |
631 | break;\r |
632 | }\r |
633 | }\r |
634 | \r |
635 | sdCloseFile( fid );\r |
636 | \r |
637 | if( NAME_BASE != NULL)\r |
638 | {\r |
639 | int32 Result;\r |
640 | /* Find special words in dictionary for global XTs. */\r |
641 | if( (Result = FindSpecialXTs()) < 0 )\r |
642 | {\r |
643 | pfReportError("pfLoadDictionary: FindSpecialXTs", Result);\r |
644 | goto error;\r |
645 | }\r |
646 | }\r |
647 | \r |
648 | DBUG(("pfLoadDictionary: return 0x%x\n", dic));\r |
649 | return (PForthDictionary) dic;\r |
650 | \r |
651 | nomem_error:\r |
652 | pfReportError("pfLoadDictionary", PF_ERR_NO_MEM);\r |
653 | sdCloseFile( fid );\r |
654 | return NULL;\r |
655 | \r |
656 | read_error:\r |
657 | pfReportError("pfLoadDictionary", PF_ERR_READ_FILE);\r |
658 | error:\r |
659 | sdCloseFile( fid );\r |
660 | xt_error:\r |
661 | return NULL;\r |
662 | }\r |
663 | \r |
664 | #else\r |
665 | \r |
666 | PForthDictionary pfLoadDictionary( const char *FileName, ExecToken *EntryPointPtr )\r |
667 | {\r |
668 | (void) FileName;\r |
669 | (void) EntryPointPtr;\r |
670 | return NULL;\r |
671 | }\r |
672 | #endif /* !PF_NO_FILEIO */\r |
673 | \r |
674 | \r |
675 | \r |
676 | /***************************************************************/\r |
677 | PForthDictionary pfLoadStaticDictionary( void )\r |
678 | {\r |
679 | #ifdef PF_STATIC_DIC\r |
680 | int32 Result;\r |
681 | pfDictionary_t *dic;\r |
682 | int32 NewNameSize, NewCodeSize;\r |
683 | \r |
684 | if( IF_LITTLE_ENDIAN != IsHostLittleEndian() )\r |
685 | {\r |
686 | MSG( (IF_LITTLE_ENDIAN ?\r |
687 | "Little Endian Dictionary on " :\r |
688 | "Big Endian Dictionary on ") );\r |
689 | MSG( (IsHostLittleEndian() ?\r |
690 | "Little Endian CPU" :\r |
691 | "Big Endian CPU") );\r |
692 | EMIT_CR;\r |
693 | }\r |
694 | \r |
695 | /* Check to make sure that EndianNess of dictionary matches mode of pForth. */\r |
696 | #if defined(PF_BIG_ENDIAN_DIC)\r |
697 | if(IF_LITTLE_ENDIAN == 1)\r |
698 | #elif defined(PF_LITTLE_ENDIAN_DIC)\r |
699 | if(IF_LITTLE_ENDIAN == 0)\r |
700 | #else /* Code is native endian! */\r |
701 | if( IF_LITTLE_ENDIAN != IsHostLittleEndian() )\r |
702 | #endif\r |
703 | {\r |
704 | pfReportError("pfLoadStaticDictionary", PF_ERR_ENDIAN_CONFLICT );\r |
705 | goto error;\r |
706 | }\r |
707 | \r |
708 | \r |
709 | #ifndef PF_EXTRA_HEADERS\r |
710 | #define PF_EXTRA_HEADERS (20000)\r |
711 | #endif\r |
712 | #ifndef PF_EXTRA_CODE\r |
713 | #define PF_EXTRA_CODE (40000)\r |
714 | #endif\r |
715 | \r |
716 | /* Copy static const data to allocated dictionaries. */\r |
717 | NewNameSize = sizeof(MinDicNames) + PF_EXTRA_HEADERS;\r |
718 | NewCodeSize = sizeof(MinDicCode) + PF_EXTRA_CODE;\r |
719 | \r |
720 | DBUG_NUM_D( "static dic name size = ", NewNameSize );\r |
721 | DBUG_NUM_D( "static dic code size = ", NewCodeSize );\r |
722 | \r |
723 | gCurrentDictionary = dic = pfCreateDictionary( NewNameSize, NewCodeSize );\r |
724 | if( !dic ) goto nomem_error;\r |
725 | \r |
726 | pfCopyMemory( dic->dic_HeaderBase, MinDicNames, sizeof(MinDicNames) );\r |
727 | pfCopyMemory( dic->dic_CodeBase, MinDicCode, sizeof(MinDicCode) );\r |
728 | DBUG("Static data copied to newly allocated dictionaries.\n");\r |
729 | \r |
730 | dic->dic_CodePtr.Byte = (uint8 *) CODEREL_TO_ABS(CODEPTR);\r |
731 | gNumPrimitives = NUM_PRIMITIVES;\r |
732 | \r |
733 | if( NAME_BASE != NULL)\r |
734 | {\r |
735 | /* Setup name space. */\r |
736 | dic->dic_HeaderPtr.Byte = (uint8 *) NAMEREL_TO_ABS(HEADERPTR);\r |
737 | gVarContext = (char *) NAMEREL_TO_ABS(RELCONTEXT); /* Restore context. */\r |
738 | \r |
739 | /* Find special words in dictionary for global XTs. */\r |
740 | if( (Result = FindSpecialXTs()) < 0 )\r |
741 | {\r |
742 | pfReportError("pfLoadStaticDictionary: FindSpecialXTs", Result);\r |
743 | goto error;\r |
744 | }\r |
745 | }\r |
746 | \r |
747 | return (PForthDictionary) dic;\r |
748 | \r |
749 | error:\r |
750 | return NULL;\r |
751 | \r |
752 | nomem_error:\r |
753 | pfReportError("pfLoadStaticDictionary", PF_ERR_NO_MEM);\r |
754 | #endif /* PF_STATIC_DIC */\r |
755 | \r |
756 | return NULL;\r |
757 | }\r |
758 | \r |