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Implement RENAME-FILE
[pforth] / csrc / pfcompil.c
CommitLineData
8e9db35f
PB		 1/* @(#) pfcompil.c 98/01/26 1.5 */
2/***************************************************************
3** Compiler for PForth based on 'C'
4**
5** These routines could be left out of an execute only version.
6**
7** Author: Phil Burk
8** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom
9**
10** The pForth software code is dedicated to the public domain,
11** and any third party may reproduce, distribute and modify
12** the pForth software code or any derivative works thereof
13** without any compensation or license. The pForth software
14** code is provided on an "as is" basis without any warranty
15** of any kind, including, without limitation, the implied
16** warranties of merchantability and fitness for a particular
17** purpose and their equivalents under the laws of any jurisdiction.
18**
19****************************************************************
20** 941004 PLB Extracted IO calls from pforth_main.c
21** 950320 RDG Added underflow checking for FP stack
22***************************************************************/
23
24#include "pf_all.h"
25#include "pfcompil.h"
26
27#define ABORT_RETURN_CODE (10)
28#define UINT32_MASK ((sizeof(ucell_t)-1))
29
30/***************************************************************/
31/************** Static Prototypes ******************************/
32/***************************************************************/
33
34static void ffStringColon( const ForthStringPtr FName );
35static cell_t CheckRedefinition( const ForthStringPtr FName );
36static void ffUnSmudge( void );
37static cell_t FindAndCompile( const char *theWord );
38static cell_t ffCheckDicRoom( void );
39
40#ifndef PF_NO_INIT
41 static void CreateDeferredC( ExecToken DefaultXT, const char *CName );
42#endif
43
44cell_t NotCompiled( const char *FunctionName )
45{
46 MSG("Function ");
47 MSG(FunctionName);
48 MSG(" not compiled in this version of PForth.\n");
49 return -1;
50}
51
52#ifndef PF_NO_SHELL
53/***************************************************************
54** Create an entry in the Dictionary for the given ExecutionToken.
55** FName is name in Forth format.
56*/
57void CreateDicEntry( ExecToken XT, const ForthStringPtr FName, ucell_t Flags )
58{
59 cfNameLinks *cfnl;
60
61 cfnl = (cfNameLinks *) gCurrentDictionary->dic_HeaderPtr;
62
63/* Set link to previous header, if any. */
64 if( gVarContext )
65 {
66 WRITE_CELL_DIC( &cfnl->cfnl_PreviousName, ABS_TO_NAMEREL( gVarContext ) );
67 }
68 else
69 {
70 cfnl->cfnl_PreviousName = 0;
71 }
72
73/* Put Execution token in header. */
74 WRITE_CELL_DIC( &cfnl->cfnl_ExecToken, XT );
75
76/* Advance Header Dictionary Pointer */
77 gCurrentDictionary->dic_HeaderPtr += sizeof(cfNameLinks);
78
79/* Laydown name. */
80 gVarContext = gCurrentDictionary->dic_HeaderPtr;
81 pfCopyMemory( (uint8_t *) gCurrentDictionary->dic_HeaderPtr, FName, (*FName)+1 );
82 gCurrentDictionary->dic_HeaderPtr += (*FName)+1;
83
84/* Set flags. */
85 *(char*)gVarContext |= (char) Flags;
86
87/* Align to quad byte boundaries with zeroes. */
88 while( gCurrentDictionary->dic_HeaderPtr & UINT32_MASK )
89 {
90 *(char*)(gCurrentDictionary->dic_HeaderPtr++) = 0;
91 }
92}
93
94/***************************************************************
95** Convert name then create dictionary entry.
96*/
97void CreateDicEntryC( ExecToken XT, const char *CName, ucell_t Flags )
98{
99 ForthString FName[40];
100 CStringToForth( FName, CName, sizeof(FName) );
101 CreateDicEntry( XT, FName, Flags );
102}
103
104/***************************************************************
105** Convert absolute namefield address to previous absolute name
106** field address or NULL.
107*/
108const ForthString *NameToPrevious( const ForthString *NFA )
109{
110 cell_t RelNamePtr;
111 const cfNameLinks *cfnl;
112
113/* DBUG(("\nNameToPrevious: NFA = 0x%x\n", (cell_t) NFA)); */
114 cfnl = (const cfNameLinks *) ( ((const char *) NFA) - sizeof(cfNameLinks) );
115
116 RelNamePtr = READ_CELL_DIC((const cell_t *) (&cfnl->cfnl_PreviousName));
117/* DBUG(("\nNameToPrevious: RelNamePtr = 0x%x\n", (cell_t) RelNamePtr )); */
118 if( RelNamePtr )
119 {
120 return ( (ForthString *) NAMEREL_TO_ABS( RelNamePtr ) );
121 }
122 else
123 {
124 return NULL;
125 }
126}
127/***************************************************************
128** Convert NFA to ExecToken.
129*/
130ExecToken NameToToken( const ForthString *NFA )
131{
132 const cfNameLinks *cfnl;
133
134/* Convert absolute namefield address to absolute link field address. */
135 cfnl = (const cfNameLinks *) ( ((const char *) NFA) - sizeof(cfNameLinks) );
136
137 return READ_CELL_DIC((const cell_t *) (&cfnl->cfnl_ExecToken));
138}
139
140/***************************************************************
141** Find XTs needed by compiler.
142*/
143cell_t FindSpecialXTs( void )
144{
145 if( ffFindC( "(QUIT)", &gQuitP_XT ) == 0) goto nofind;
146 if( ffFindC( "NUMBER?", &gNumberQ_XT ) == 0) goto nofind;
147 if( ffFindC( "ACCEPT", &gAcceptP_XT ) == 0) goto nofind;
148DBUG(("gNumberQ_XT = 0x%x\n", (unsigned int)gNumberQ_XT ));
149 return 0;
150
151nofind:
152 ERR("FindSpecialXTs failed!\n");
153 return -1;
154}
155
156/***************************************************************
157** Build a dictionary from scratch.
158*/
159#ifndef PF_NO_INIT
160PForthDictionary pfBuildDictionary( cell_t HeaderSize, cell_t CodeSize )
161{
162 pfDictionary_t *dic;
163
164 dic = pfCreateDictionary( HeaderSize, CodeSize );
165 if( !dic ) goto nomem;
166
167 pfDebugMessage("pfBuildDictionary: Start adding dictionary entries.\n");
168
169 gCurrentDictionary = dic;
170 gNumPrimitives = NUM_PRIMITIVES;
171
172 CreateDicEntryC( ID_EXIT, "EXIT", 0 );
173 pfDebugMessage("pfBuildDictionary: added EXIT\n");
174 CreateDicEntryC( ID_1MINUS, "1-", 0 );
175 pfDebugMessage("pfBuildDictionary: added 1-\n");
176 CreateDicEntryC( ID_1PLUS, "1+", 0 );
177 CreateDicEntryC( ID_2_R_FETCH, "2R@", 0 );
178 CreateDicEntryC( ID_2_R_FROM, "2R>", 0 );
179 CreateDicEntryC( ID_2_TO_R, "2>R", 0 );
180 CreateDicEntryC( ID_2DUP, "2DUP", 0 );
181 CreateDicEntryC( ID_2LITERAL, "2LITERAL", FLAG_IMMEDIATE );
182 CreateDicEntryC( ID_2LITERAL_P, "(2LITERAL)", 0 );
183 CreateDicEntryC( ID_2MINUS, "2-", 0 );
184 CreateDicEntryC( ID_2PLUS, "2+", 0 );
185 CreateDicEntryC( ID_2OVER, "2OVER", 0 );
186 CreateDicEntryC( ID_2SWAP, "2SWAP", 0 );
187 CreateDicEntryC( ID_ACCEPT_P, "(ACCEPT)", 0 );
188 CreateDeferredC( ID_ACCEPT_P, "ACCEPT" );
189 CreateDicEntryC( ID_ALITERAL, "ALITERAL", FLAG_IMMEDIATE );
190 CreateDicEntryC( ID_ALITERAL_P, "(ALITERAL)", 0 );
191 CreateDicEntryC( ID_ALLOCATE, "ALLOCATE", 0 );
192 pfDebugMessage("pfBuildDictionary: added ALLOCATE\n");
193 CreateDicEntryC( ID_ARSHIFT, "ARSHIFT", 0 );
194 CreateDicEntryC( ID_AND, "AND", 0 );
195 CreateDicEntryC( ID_BAIL, "BAIL", 0 );
196 CreateDicEntryC( ID_BRANCH, "BRANCH", 0 );
197 CreateDicEntryC( ID_BODY_OFFSET, "BODY_OFFSET", 0 );
198 CreateDicEntryC( ID_BYE, "BYE", 0 );
199 CreateDicEntryC( ID_CATCH, "CATCH", 0 );
200 CreateDicEntryC( ID_CELL, "CELL", 0 );
201 CreateDicEntryC( ID_CELLS, "CELLS", 0 );
202 CreateDicEntryC( ID_CFETCH, "C@", 0 );
203 CreateDicEntryC( ID_CMOVE, "CMOVE", 0 );
204 CreateDicEntryC( ID_CMOVE_UP, "CMOVE>", 0 );
205 CreateDicEntryC( ID_COLON, ":", 0 );
206 CreateDicEntryC( ID_COLON_P, "(:)", 0 );
207 CreateDicEntryC( ID_COMPARE, "COMPARE", 0 );
208 CreateDicEntryC( ID_COMP_EQUAL, "=", 0 );
209 CreateDicEntryC( ID_COMP_NOT_EQUAL, "<>", 0 );
210 CreateDicEntryC( ID_COMP_GREATERTHAN, ">", 0 );
211 CreateDicEntryC( ID_COMP_U_GREATERTHAN, "U>", 0 );
212 pfDebugMessage("pfBuildDictionary: added U>\n");
213 CreateDicEntryC( ID_COMP_LESSTHAN, "<", 0 );
214 CreateDicEntryC( ID_COMP_U_LESSTHAN, "U<", 0 );
215 CreateDicEntryC( ID_COMP_ZERO_EQUAL, "0=", 0 );
216 CreateDicEntryC( ID_COMP_ZERO_NOT_EQUAL, "0<>", 0 );
217 CreateDicEntryC( ID_COMP_ZERO_GREATERTHAN, "0>", 0 );
218 CreateDicEntryC( ID_COMP_ZERO_LESSTHAN, "0<", 0 );
219 CreateDicEntryC( ID_CR, "CR", 0 );
220 CreateDicEntryC( ID_CREATE, "CREATE", 0 );
221 CreateDicEntryC( ID_CREATE_P, "(CREATE)", 0 );
222 CreateDicEntryC( ID_D_PLUS, "D+", 0 );
223 CreateDicEntryC( ID_D_MINUS, "D-", 0 );
224 CreateDicEntryC( ID_D_UMSMOD, "UM/MOD", 0 );
225 CreateDicEntryC( ID_D_MUSMOD, "MU/MOD", 0 );
226 CreateDicEntryC( ID_D_MTIMES, "M*", 0 );
227 pfDebugMessage("pfBuildDictionary: added M*\n");
228 CreateDicEntryC( ID_D_UMTIMES, "UM*", 0 );
229 CreateDicEntryC( ID_DEFER, "DEFER", 0 );
230 CreateDicEntryC( ID_CSTORE, "C!", 0 );
231 CreateDicEntryC( ID_DEPTH, "DEPTH", 0 );
232 pfDebugMessage("pfBuildDictionary: added DEPTH\n");
233 CreateDicEntryC( ID_DIVIDE, "/", 0 );
234 CreateDicEntryC( ID_DOT, ".", 0 );
235 CreateDicEntryC( ID_DOTS, ".S", 0 );
236 pfDebugMessage("pfBuildDictionary: added .S\n");
237 CreateDicEntryC( ID_DO_P, "(DO)", 0 );
238 CreateDicEntryC( ID_DROP, "DROP", 0 );
239 CreateDicEntryC( ID_DUMP, "DUMP", 0 );
240 CreateDicEntryC( ID_DUP, "DUP", 0 );
241 CreateDicEntryC( ID_EMIT_P, "(EMIT)", 0 );
242 pfDebugMessage("pfBuildDictionary: added (EMIT)\n");
243 CreateDeferredC( ID_EMIT_P, "EMIT");
244 pfDebugMessage("pfBuildDictionary: added EMIT\n");
245 CreateDicEntryC( ID_EOL, "EOL", 0 );
246 CreateDicEntryC( ID_ERRORQ_P, "(?ERROR)", 0 );
247 CreateDicEntryC( ID_ERRORQ_P, "?ERROR", 0 );
248 CreateDicEntryC( ID_EXECUTE, "EXECUTE", 0 );
249 CreateDicEntryC( ID_FETCH, "@", 0 );
250 CreateDicEntryC( ID_FILL, "FILL", 0 );
251 CreateDicEntryC( ID_FIND, "FIND", 0 );
252 CreateDicEntryC( ID_FILE_CREATE, "CREATE-FILE", 0 );
253 CreateDicEntryC( ID_FILE_DELETE, "DELETE-FILE", 0 );
254 CreateDicEntryC( ID_FILE_OPEN, "OPEN-FILE", 0 );
255 CreateDicEntryC( ID_FILE_CLOSE, "CLOSE-FILE", 0 );
256 CreateDicEntryC( ID_FILE_READ, "READ-FILE", 0 );
257 CreateDicEntryC( ID_FILE_SIZE, "FILE-SIZE", 0 );
258 CreateDicEntryC( ID_FILE_WRITE, "WRITE-FILE", 0 );
259 CreateDicEntryC( ID_FILE_POSITION, "FILE-POSITION", 0 );
260 CreateDicEntryC( ID_FILE_REPOSITION, "REPOSITION-FILE", 0 );
8bf2fe25 261 CreateDicEntryC( ID_FILE_FLUSH, "FLUSH-FILE", 0 );
6f3de396 262 CreateDicEntryC( ID_FILE_RENAME, "(RENAME-FILE)", 0 );
8e9db35f
PB		 263 CreateDicEntryC( ID_FILE_RO, "R/O", 0 );
264 CreateDicEntryC( ID_FILE_RW, "R/W", 0 );
265 CreateDicEntryC( ID_FILE_WO, "W/O", 0 );
266 CreateDicEntryC( ID_FILE_BIN, "BIN", 0 );
267 CreateDicEntryC( ID_FINDNFA, "FINDNFA", 0 );
268 CreateDicEntryC( ID_FLUSHEMIT, "FLUSHEMIT", 0 );
269 CreateDicEntryC( ID_FREE, "FREE", 0 );
270#include "pfcompfp.h"
271 CreateDicEntryC( ID_HERE, "HERE", 0 );
272 CreateDicEntryC( ID_NUMBERQ_P, "(SNUMBER?)", 0 );
273 CreateDicEntryC( ID_I, "I", 0 );
274 CreateDicEntryC( ID_INTERPRET, "INTERPRET", 0 );
275 CreateDicEntryC( ID_J, "J", 0 );
276 CreateDicEntryC( ID_INCLUDE_FILE, "INCLUDE-FILE", 0 );
277 CreateDicEntryC( ID_KEY, "KEY", 0 );
278 CreateDicEntryC( ID_LEAVE_P, "(LEAVE)", 0 );
279 CreateDicEntryC( ID_LITERAL, "LITERAL", FLAG_IMMEDIATE );
280 CreateDicEntryC( ID_LITERAL_P, "(LITERAL)", 0 );
281 CreateDicEntryC( ID_LOADSYS, "LOADSYS", 0 );
282 CreateDicEntryC( ID_LOCAL_COMPILER, "LOCAL-COMPILER", 0 );
283 CreateDicEntryC( ID_LOCAL_ENTRY, "(LOCAL.ENTRY)", 0 );
284 CreateDicEntryC( ID_LOCAL_EXIT, "(LOCAL.EXIT)", 0 );
285 CreateDicEntryC( ID_LOCAL_FETCH, "(LOCAL@)", 0 );
286 CreateDicEntryC( ID_LOCAL_FETCH_1, "(1_LOCAL@)", 0 );
287 CreateDicEntryC( ID_LOCAL_FETCH_2, "(2_LOCAL@)", 0 );
288 CreateDicEntryC( ID_LOCAL_FETCH_3, "(3_LOCAL@)", 0 );
289 CreateDicEntryC( ID_LOCAL_FETCH_4, "(4_LOCAL@)", 0 );
290 CreateDicEntryC( ID_LOCAL_FETCH_5, "(5_LOCAL@)", 0 );
291 CreateDicEntryC( ID_LOCAL_FETCH_6, "(6_LOCAL@)", 0 );
292 CreateDicEntryC( ID_LOCAL_FETCH_7, "(7_LOCAL@)", 0 );
293 CreateDicEntryC( ID_LOCAL_FETCH_8, "(8_LOCAL@)", 0 );
294 CreateDicEntryC( ID_LOCAL_STORE, "(LOCAL!)", 0 );
295 CreateDicEntryC( ID_LOCAL_STORE_1, "(1_LOCAL!)", 0 );
296 CreateDicEntryC( ID_LOCAL_STORE_2, "(2_LOCAL!)", 0 );
297 CreateDicEntryC( ID_LOCAL_STORE_3, "(3_LOCAL!)", 0 );
298 CreateDicEntryC( ID_LOCAL_STORE_4, "(4_LOCAL!)", 0 );
299 CreateDicEntryC( ID_LOCAL_STORE_5, "(5_LOCAL!)", 0 );
300 CreateDicEntryC( ID_LOCAL_STORE_6, "(6_LOCAL!)", 0 );
301 CreateDicEntryC( ID_LOCAL_STORE_7, "(7_LOCAL!)", 0 );
302 CreateDicEntryC( ID_LOCAL_STORE_8, "(8_LOCAL!)", 0 );
303 CreateDicEntryC( ID_LOCAL_PLUSSTORE, "(LOCAL+!)", 0 );
304 CreateDicEntryC( ID_LOOP_P, "(LOOP)", 0 );
305 CreateDicEntryC( ID_LSHIFT, "LSHIFT", 0 );
306 CreateDicEntryC( ID_MAX, "MAX", 0 );
307 CreateDicEntryC( ID_MIN, "MIN", 0 );
308 CreateDicEntryC( ID_MINUS, "-", 0 );
309 CreateDicEntryC( ID_NAME_TO_TOKEN, "NAME>", 0 );
310 CreateDicEntryC( ID_NAME_TO_PREVIOUS, "PREVNAME", 0 );
311 CreateDicEntryC( ID_NOOP, "NOOP", 0 );
312 CreateDeferredC( ID_NUMBERQ_P, "NUMBER?" );
313 CreateDicEntryC( ID_OR, "OR", 0 );
314 CreateDicEntryC( ID_OVER, "OVER", 0 );
315 pfDebugMessage("pfBuildDictionary: added OVER\n");
316 CreateDicEntryC( ID_PICK, "PICK", 0 );
317 CreateDicEntryC( ID_PLUS, "+", 0 );
318 CreateDicEntryC( ID_PLUSLOOP_P, "(+LOOP)", 0 );
319 CreateDicEntryC( ID_PLUS_STORE, "+!", 0 );
320 CreateDicEntryC( ID_QUIT_P, "(QUIT)", 0 );
321 CreateDeferredC( ID_QUIT_P, "QUIT" );
322 CreateDicEntryC( ID_QDO_P, "(?DO)", 0 );
323 CreateDicEntryC( ID_QDUP, "?DUP", 0 );
324 CreateDicEntryC( ID_QTERMINAL, "?TERMINAL", 0 );
325 CreateDicEntryC( ID_QTERMINAL, "KEY?", 0 );
326 CreateDicEntryC( ID_REFILL, "REFILL", 0 );
327 CreateDicEntryC( ID_RESIZE, "RESIZE", 0 );
328 CreateDicEntryC( ID_ROLL, "ROLL", 0 );
329 CreateDicEntryC( ID_ROT, "ROT", 0 );
330 CreateDicEntryC( ID_RSHIFT, "RSHIFT", 0 );
331 CreateDicEntryC( ID_R_DROP, "RDROP", 0 );
332 CreateDicEntryC( ID_R_FETCH, "R@", 0 );
333 CreateDicEntryC( ID_R_FROM, "R>", 0 );
334 CreateDicEntryC( ID_RP_FETCH, "RP@", 0 );
335 CreateDicEntryC( ID_RP_STORE, "RP!", 0 );
336 CreateDicEntryC( ID_SEMICOLON, ";", FLAG_IMMEDIATE );
337 CreateDicEntryC( ID_SP_FETCH, "SP@", 0 );
338 CreateDicEntryC( ID_SP_STORE, "SP!", 0 );
339 CreateDicEntryC( ID_STORE, "!", 0 );
340 CreateDicEntryC( ID_SAVE_FORTH_P, "(SAVE-FORTH)", 0 );
341 CreateDicEntryC( ID_SCAN, "SCAN", 0 );
342 CreateDicEntryC( ID_SKIP, "SKIP", 0 );
343 CreateDicEntryC( ID_SOURCE, "SOURCE", 0 );
344 CreateDicEntryC( ID_SOURCE_SET, "SET-SOURCE", 0 );
345 CreateDicEntryC( ID_SOURCE_ID, "SOURCE-ID", 0 );
346 CreateDicEntryC( ID_SOURCE_ID_PUSH, "PUSH-SOURCE-ID", 0 );
347 CreateDicEntryC( ID_SOURCE_ID_POP, "POP-SOURCE-ID", 0 );
08689895
HE		 348 CreateDicEntryC( ID_SOURCE_LINE_NUMBER_FETCH, "SOURCE-LINE-NUMBER@", 0 );
349 CreateDicEntryC( ID_SOURCE_LINE_NUMBER_STORE, "SOURCE-LINE-NUMBER!", 0 );
8e9db35f
PB		 350 CreateDicEntryC( ID_SWAP, "SWAP", 0 );
351 CreateDicEntryC( ID_TEST1, "TEST1", 0 );
352 CreateDicEntryC( ID_TEST2, "TEST2", 0 );
353 CreateDicEntryC( ID_TICK, "'", 0 );
354 CreateDicEntryC( ID_TIMES, "*", 0 );
355 CreateDicEntryC( ID_THROW, "THROW", 0 );
356 CreateDicEntryC( ID_TO_R, ">R", 0 );
357 CreateDicEntryC( ID_TYPE, "TYPE", 0 );
358 CreateDicEntryC( ID_VAR_BASE, "BASE", 0 );
359 CreateDicEntryC( ID_VAR_CODE_BASE, "CODE-BASE", 0 );
360 CreateDicEntryC( ID_VAR_CODE_LIMIT, "CODE-LIMIT", 0 );
361 CreateDicEntryC( ID_VAR_CONTEXT, "CONTEXT", 0 );
362 CreateDicEntryC( ID_VAR_DP, "DP", 0 );
363 CreateDicEntryC( ID_VAR_ECHO, "ECHO", 0 );
364 CreateDicEntryC( ID_VAR_HEADERS_PTR, "HEADERS-PTR", 0 );
365 CreateDicEntryC( ID_VAR_HEADERS_BASE, "HEADERS-BASE", 0 );
366 CreateDicEntryC( ID_VAR_HEADERS_LIMIT, "HEADERS-LIMIT", 0 );
367 CreateDicEntryC( ID_VAR_NUM_TIB, "#TIB", 0 );
368 CreateDicEntryC( ID_VAR_RETURN_CODE, "RETURN-CODE", 0 );
369 CreateDicEntryC( ID_VAR_TRACE_FLAGS, "TRACE-FLAGS", 0 );
370 CreateDicEntryC( ID_VAR_TRACE_LEVEL, "TRACE-LEVEL", 0 );
371 CreateDicEntryC( ID_VAR_TRACE_STACK, "TRACE-STACK", 0 );
372 CreateDicEntryC( ID_VAR_OUT, "OUT", 0 );
373 CreateDicEntryC( ID_VAR_STATE, "STATE", 0 );
374 CreateDicEntryC( ID_VAR_TO_IN, ">IN", 0 );
375 CreateDicEntryC( ID_WORD, "WORD", 0 );
376 CreateDicEntryC( ID_WORD_FETCH, "W@", 0 );
377 CreateDicEntryC( ID_WORD_STORE, "W!", 0 );
378 CreateDicEntryC( ID_XOR, "XOR", 0 );
379 CreateDicEntryC( ID_ZERO_BRANCH, "0BRANCH", 0 );
380
381 pfDebugMessage("pfBuildDictionary: FindSpecialXTs\n");
382 if( FindSpecialXTs() < 0 ) goto error;
383
384 if( CompileCustomFunctions() < 0 ) goto error; /* Call custom 'C' call builder. */
385
386#ifdef PF_DEBUG
387 DumpMemory( dic->dic_HeaderBase, 256 );
388 DumpMemory( dic->dic_CodeBase, 256 );
389#endif
390
391 pfDebugMessage("pfBuildDictionary: Finished adding dictionary entries.\n");
392 return (PForthDictionary) dic;
393
394error:
395 pfDebugMessage("pfBuildDictionary: Error adding dictionary entries.\n");
396 pfDeleteDictionary( dic );
397 return NULL;
398
399nomem:
400 return NULL;
401}
402#endif /* !PF_NO_INIT */
403
404/*
405** ( xt -- nfa 1 , x 0 , find NFA in dictionary from XT )
406** 1 for IMMEDIATE values
407*/
408cell_t ffTokenToName( ExecToken XT, const ForthString **NFAPtr )
409{
410 const ForthString *NameField;
411 cell_t Searching = TRUE;
412 cell_t Result = 0;
413 ExecToken TempXT;
414
415 NameField = (ForthString *) gVarContext;
416DBUGX(("\ffCodeToName: gVarContext = 0x%x\n", gVarContext));
417
418 do
419 {
420 TempXT = NameToToken( NameField );
421
422 if( TempXT == XT )
423 {
424DBUGX(("ffCodeToName: NFA = 0x%x\n", NameField));
425 *NFAPtr = NameField ;
426 Result = 1;
427 Searching = FALSE;
428 }
429 else
430 {
431 NameField = NameToPrevious( NameField );
432 if( NameField == NULL )
433 {
434 *NFAPtr = 0;
435 Searching = FALSE;
436 }
437 }
438 } while ( Searching);
439
440 return Result;
441}
442
443/*
444** ( $name -- $addr 0 | nfa -1 | nfa 1 , find NFA in dictionary )
445** 1 for IMMEDIATE values
446*/
447cell_t ffFindNFA( const ForthString *WordName, const ForthString **NFAPtr )
448{
449 const ForthString *WordChar;
450 uint8_t WordLen;
451 const char *NameField, *NameChar;
452 int8_t NameLen;
453 cell_t Searching = TRUE;
454 cell_t Result = 0;
455
456 WordLen = (uint8_t) ((ucell_t)*WordName & 0x1F);
457 WordChar = WordName+1;
458
459 NameField = (ForthString *) gVarContext;
460DBUG(("\nffFindNFA: WordLen = %d, WordName = %*s\n", WordLen, WordLen, WordChar ));
461DBUG(("\nffFindNFA: gVarContext = 0x%x\n", gVarContext));
462 do
463 {
464 NameLen = (uint8_t) ((ucell_t)(*NameField) & MASK_NAME_SIZE);
465 NameChar = NameField+1;
466/* DBUG((" %c\n", (*NameField & FLAG_SMUDGE) ? 'S' : 'V' )); */
467 if( ((*NameField & FLAG_SMUDGE) == 0) &&
468 (NameLen == WordLen) &&
469 ffCompareTextCaseN( NameChar, WordChar, WordLen ) ) /* FIXME - slow */
470 {
471DBUG(("ffFindNFA: found it at NFA = 0x%x\n", NameField));
472 *NFAPtr = NameField ;
473 Result = ((*NameField) & FLAG_IMMEDIATE) ? 1 : -1;
474 Searching = FALSE;
475 }
476 else
477 {
478 NameField = NameToPrevious( NameField );
479 if( NameField == NULL )
480 {
481 *NFAPtr = WordName;
482 Searching = FALSE;
483 }
484 }
485 } while ( Searching);
486DBUG(("ffFindNFA: returns 0x%x\n", Result));
487 return Result;
488}
489
490
491/***************************************************************
492** ( $name -- $name 0 | xt -1 | xt 1 )
493** 1 for IMMEDIATE values
494*/
495cell_t ffFind( const ForthString *WordName, ExecToken *pXT )
496{
497 const ForthString *NFA;
498 cell_t Result;
499
500 Result = ffFindNFA( WordName, &NFA );
501DBUG(("ffFind: %8s at 0x%x\n", WordName+1, NFA)); /* WARNING, not NUL terminated. %Q */
502 if( Result )
503 {
504 *pXT = NameToToken( NFA );
505 }
506 else
507 {
508 *pXT = (ExecToken) WordName;
509 }
510
511 return Result;
512}
513
514/****************************************************************
515** Find name when passed 'C' string.
516*/
517cell_t ffFindC( const char *WordName, ExecToken *pXT )
518{
519DBUG(("ffFindC: %s\n", WordName ));
520 CStringToForth( gScratch, WordName, sizeof(gScratch) );
521 return ffFind( gScratch, pXT );
522}
523
524
525/***********************************************************/
526/********* Compiling New Words *****************************/
527/***********************************************************/
528#define DIC_SAFETY_MARGIN (400)
529
530/*************************************************************
531** Check for dictionary overflow.
532*/
533static cell_t ffCheckDicRoom( void )
534{
535 cell_t RoomLeft;
536 RoomLeft = (char *)gCurrentDictionary->dic_HeaderLimit -
537 (char *)gCurrentDictionary->dic_HeaderPtr;
538 if( RoomLeft < DIC_SAFETY_MARGIN )
539 {
540 pfReportError("ffCheckDicRoom", PF_ERR_HEADER_ROOM);
541 return PF_ERR_HEADER_ROOM;
542 }
543
544 RoomLeft = (char *)gCurrentDictionary->dic_CodeLimit -
545 (char *)gCurrentDictionary->dic_CodePtr.Byte;
546 if( RoomLeft < DIC_SAFETY_MARGIN )
547 {
548 pfReportError("ffCheckDicRoom", PF_ERR_CODE_ROOM);
549 return PF_ERR_CODE_ROOM;
550 }
551 return 0;
552}
553
554/*************************************************************
555** Create a dictionary entry given a string name.
556*/
557void ffCreateSecondaryHeader( const ForthStringPtr FName)
558{
559 pfDebugMessage("ffCreateSecondaryHeader()\n");
560/* Check for dictionary overflow. */
561 if( ffCheckDicRoom() ) return;
562
563 pfDebugMessage("ffCreateSecondaryHeader: CheckRedefinition()\n");
564 CheckRedefinition( FName );
565/* Align CODE_HERE */
566 CODE_HERE = (cell_t *)( (((ucell_t)CODE_HERE) + UINT32_MASK) & ~UINT32_MASK);
567 CreateDicEntry( (ExecToken) ABS_TO_CODEREL(CODE_HERE), FName, FLAG_SMUDGE );
568}
569
570/*************************************************************
571** Begin compiling a secondary word.
572*/
573static void ffStringColon( const ForthStringPtr FName)
574{
575 ffCreateSecondaryHeader( FName );
576 gVarState = 1;
577}
578
579/*************************************************************
580** Read the next ExecToken from the Source and create a word.
581*/
582void ffColon( void )
583{
584 char *FName;
585
586 gDepthAtColon = DATA_STACK_DEPTH;
587
588 FName = ffWord( BLANK );
589 if( *FName > 0 )
590 {
591 ffStringColon( FName );
592 }
593}
594
595/*************************************************************
596** Check to see if name is already in dictionary.
597*/
598static cell_t CheckRedefinition( const ForthStringPtr FName )
599{
600 cell_t flag;
601 ExecToken XT;
602
603 flag = ffFind( FName, &XT);
604 if ( flag && !gVarQuiet)
605 {
606 ioType( FName+1, (cell_t) *FName );
607 MSG( " redefined.\n" ); /* FIXME - allow user to run off this warning. */
608 }
609 return flag;
610}
611
612void ffStringCreate( char *FName)
613{
614 ffCreateSecondaryHeader( FName );
615
616 CODE_COMMA( ID_CREATE_P );
617 CODE_COMMA( ID_EXIT );
618 ffFinishSecondary();
619
620}
621
622/* Read the next ExecToken from the Source and create a word. */
623void ffCreate( void )
624{
625 char *FName;
626
627 FName = ffWord( BLANK );
628 if( *FName > 0 )
629 {
630 ffStringCreate( FName );
631 }
632}
633
634void ffStringDefer( const ForthStringPtr FName, ExecToken DefaultXT )
635{
636 pfDebugMessage("ffStringDefer()\n");
637 ffCreateSecondaryHeader( FName );
638
639 CODE_COMMA( ID_DEFER_P );
640 CODE_COMMA( DefaultXT );
641
642 ffFinishSecondary();
643
644}
645#ifndef PF_NO_INIT
646/* Convert name then create deferred dictionary entry. */
647static void CreateDeferredC( ExecToken DefaultXT, const char *CName )
648{
649 char FName[40];
650 CStringToForth( FName, CName, sizeof(FName) );
651 ffStringDefer( FName, DefaultXT );
652}
653#endif
654
655/* Read the next token from the Source and create a word. */
656void ffDefer( void )
657{
658 char *FName;
659
660 FName = ffWord( BLANK );
661 if( *FName > 0 )
662 {
663 ffStringDefer( FName, ID_QUIT_P );
664 }
665}
666
667/* Unsmudge the word to make it visible. */
fb2f857a 668static void ffUnSmudge( void )
8e9db35f
PB		 669{
670 *(char*)gVarContext &= ~FLAG_SMUDGE;
671}
672
673/* Implement ; */
674ThrowCode ffSemiColon( void )
675{
676 ThrowCode exception = 0;
677 gVarState = 0;
678
679 if( (gDepthAtColon != DATA_STACK_DEPTH) &&
680 (gDepthAtColon != DEPTH_AT_COLON_INVALID) ) /* Ignore if no ':' */
681 {
682 exception = THROW_SEMICOLON;
683 }
684 else
685 {
686 ffFinishSecondary();
687 }
688 gDepthAtColon = DEPTH_AT_COLON_INVALID;
689 return exception;
690}
691
692/* Finish the definition of a Forth word. */
693void ffFinishSecondary( void )
694{
695 CODE_COMMA( ID_EXIT );
696 ffUnSmudge();
697}
698
699/**************************************************************/
700/* Used to pull a number from the dictionary to the stack */
701void ff2Literal( cell_t dHi, cell_t dLo )
702{
703 CODE_COMMA( ID_2LITERAL_P );
704 CODE_COMMA( dHi );
705 CODE_COMMA( dLo );
706}
707void ffALiteral( cell_t Num )
708{
709 CODE_COMMA( ID_ALITERAL_P );
710 CODE_COMMA( Num );
711}
712void ffLiteral( cell_t Num )
713{
714 CODE_COMMA( ID_LITERAL_P );
715 CODE_COMMA( Num );
716}
717
718#ifdef PF_SUPPORT_FP
719void ffFPLiteral( PF_FLOAT fnum )
720{
721 /* Hack for Metrowerks complier which won't compile the
722 * original expression.
723 */
724 PF_FLOAT *temp;
725 cell_t *dicPtr;
726
727/* Make sure that literal float data is float aligned. */
728 dicPtr = CODE_HERE + 1;
729 while( (((ucell_t) dicPtr++) & (sizeof(PF_FLOAT) - 1)) != 0)
730 {
731 DBUG((" comma NOOP to align FPLiteral\n"));
732 CODE_COMMA( ID_NOOP );
733 }
734 CODE_COMMA( ID_FP_FLITERAL_P );
735
736 temp = (PF_FLOAT *)CODE_HERE;
737 WRITE_FLOAT_DIC(temp,fnum); /* Write to dictionary. */
738 temp++;
739 CODE_HERE = (cell_t *) temp;
740}
741#endif /* PF_SUPPORT_FP */
742
743/**************************************************************/
fb2f857a 744static ThrowCode FindAndCompile( const char *theWord )
8e9db35f
PB		 745{
746 cell_t Flag;
747 ExecToken XT;
748 cell_t Num;
749 ThrowCode exception = 0;
750
751 Flag = ffFind( theWord, &XT);
752DBUG(("FindAndCompile: theWord = %8s, XT = 0x%x, Flag = %d\n", theWord, XT, Flag ));
753
754/* Is it a normal word ? */
755 if( Flag == -1 )
756 {
757 if( gVarState ) /* compiling? */
758 {
759 CODE_COMMA( XT );
760 }
761 else
762 {
763 exception = pfCatch( XT );
764 }
765 }
766 else if ( Flag == 1 ) /* or is it IMMEDIATE ? */
767 {
768DBUG(("FindAndCompile: IMMEDIATE, theWord = 0x%x\n", theWord ));
769 exception = pfCatch( XT );
770 }
771 else /* try to interpret it as a number. */
772 {
773/* Call deferred NUMBER? */
774 cell_t NumResult;
775
776DBUG(("FindAndCompile: not found, try number?\n" ));
777 PUSH_DATA_STACK( theWord ); /* Push text of number */
778 exception = pfCatch( gNumberQ_XT );
779 if( exception ) goto error;
780
781DBUG(("FindAndCompile: after number?\n" ));
782 NumResult = POP_DATA_STACK; /* Success? */
783 switch( NumResult )
784 {
785 case NUM_TYPE_SINGLE:
786 if( gVarState ) /* compiling? */
787 {
788 Num = POP_DATA_STACK;
789 ffLiteral( Num );
790 }
791 break;
792
793 case NUM_TYPE_DOUBLE:
794 if( gVarState ) /* compiling? */
795 {
796 Num = POP_DATA_STACK; /* get hi portion */
797 ff2Literal( Num, POP_DATA_STACK );
798 }
799 break;
800
801#ifdef PF_SUPPORT_FP
802 case NUM_TYPE_FLOAT:
803 if( gVarState ) /* compiling? */
804 {
805 ffFPLiteral( *gCurrentTask->td_FloatStackPtr++ );
806 }
807 break;
808#endif
809
810 case NUM_TYPE_BAD:
811 default:
812 ioType( theWord+1, *theWord );
813 MSG( " ? - unrecognized word!\n" );
814 exception = THROW_UNDEFINED_WORD;
815 break;
816
817 }
818 }
819error:
820 return exception;
821}
822
823/**************************************************************
824** Forth outer interpreter. Parses words from Source.
825** Executes them or compiles them based on STATE.
826*/
827ThrowCode ffInterpret( void )
828{
829 cell_t flag;
830 char *theWord;
831 ThrowCode exception = 0;
832
833/* Is there any text left in Source ? */
834 while( gCurrentTask->td_IN < (gCurrentTask->td_SourceNum) )
835 {
836
837 pfDebugMessage("ffInterpret: calling ffWord(()\n");
f7548536 838 theWord = ffLWord( BLANK );
8e9db35f
PB		 839 DBUG(("ffInterpret: theWord = 0x%x, Len = %d\n", theWord, *theWord ));
840
841 if( *theWord > 0 )
842 {
843 flag = 0;
844 if( gLocalCompiler_XT )
845 {
846 PUSH_DATA_STACK( theWord ); /* Push word. */
847 exception = pfCatch( gLocalCompiler_XT );
848 if( exception ) goto error;
849 flag = POP_DATA_STACK; /* Compiled local? */
850 }
851 if( flag == 0 )
852 {
853 exception = FindAndCompile( theWord );
854 if( exception ) goto error;
855 }
856 }
857
858 DBUG(("ffInterpret: IN=%d, SourceNum=%d\n", gCurrentTask->td_IN,
859 gCurrentTask->td_SourceNum ) );
860 }
861error:
862 return exception;
863}
864
865/**************************************************************/
866ThrowCode ffOK( void )
867{
868 cell_t exception = 0;
869/* Check for stack underflow. %Q what about overflows? */
870 if( (gCurrentTask->td_StackBase - gCurrentTask->td_StackPtr) < 0 )
871 {
872 exception = THROW_STACK_UNDERFLOW;
873 }
874#ifdef PF_SUPPORT_FP /* Check floating point stack too! */
875 else if((gCurrentTask->td_FloatStackBase - gCurrentTask->td_FloatStackPtr) < 0)
876 {
877 exception = THROW_FLOAT_STACK_UNDERFLOW;
878 }
879#endif
880 else if( gCurrentTask->td_InputStream == PF_STDIN)
881 {
882 if( !gVarState ) /* executing? */
883 {
884 if( !gVarQuiet )
885 {
886 MSG( " ok\n" );
887 if(gVarTraceStack) ffDotS();
888 }
889 else
890 {
891 EMIT_CR;
892 }
893 }
894 }
895 return exception;
896}
897
898/***************************************************************
899** Cleanup Include stack by popping and closing files.
900***************************************************************/
901void pfHandleIncludeError( void )
902{
903 FileStream *cur;
904
905 while( (cur = ffPopInputStream()) != PF_STDIN)
906 {
907 DBUG(("ffCleanIncludeStack: closing 0x%x\n", cur ));
908 sdCloseFile(cur);
909 }
910}
911
912/***************************************************************
913** Interpret input in a loop.
914***************************************************************/
915ThrowCode ffOuterInterpreterLoop( void )
916{
917 cell_t exception = 0;
918 do
919 {
920 exception = ffRefill();
921 if(exception <= 0) break;
922
923 exception = ffInterpret();
924 if( exception == 0 )
925 {
926 exception = ffOK();
927 }
928
929 } while( exception == 0 );
930 return exception;
931}
932
933/***************************************************************
934** Include then close a file
935***************************************************************/
936
937ThrowCode ffIncludeFile( FileStream *InputFile )
938{
939 ThrowCode exception;
940
941/* Push file stream. */
942 exception = ffPushInputStream( InputFile );
943 if( exception < 0 ) return exception;
944
945/* Run outer interpreter for stream. */
946 exception = ffOuterInterpreterLoop();
947 if( exception )
948 {
949 int i;
950/* Report line number and nesting level. */
951 MSG("INCLUDE error on line #"); ffDot(gCurrentTask->td_LineNumber);
952 MSG(", level = "); ffDot(gIncludeIndex );
953 EMIT_CR
954
955/* Dump line of error and show offset in line for >IN */
956 for( i=0; i<gCurrentTask->td_SourceNum; i++ )
957 {
958 char c = gCurrentTask->td_SourcePtr[i];
959 if( c == '\t' ) c = ' ';
960 EMIT(c);
961 }
962 EMIT_CR;
963 for( i=0; i<(gCurrentTask->td_IN - 1); i++ ) EMIT('^');
964 EMIT_CR;
965 }
966
967/* Pop file stream. */
968 ffPopInputStream();
969
970/* ANSI spec specifies that this should also close the file. */
971 sdCloseFile(InputFile);
972
973 return exception;
974}
975
976#endif /* !PF_NO_SHELL */
977
978/***************************************************************
979** Save current input stream on stack, use this new one.
980***************************************************************/
981Err ffPushInputStream( FileStream *InputFile )
982{
983 cell_t Result = 0;
984 IncludeFrame *inf;
985
986/* Push current input state onto special include stack. */
987 if( gIncludeIndex < MAX_INCLUDE_DEPTH )
988 {
989 inf = &gIncludeStack[gIncludeIndex++];
990 inf->inf_FileID = gCurrentTask->td_InputStream;
991 inf->inf_IN = gCurrentTask->td_IN;
992 inf->inf_LineNumber = gCurrentTask->td_LineNumber;
993 inf->inf_SourceNum = gCurrentTask->td_SourceNum;
994/* Copy TIB plus any NUL terminator into saved area. */
995 if( (inf->inf_SourceNum > 0) && (inf->inf_SourceNum < (TIB_SIZE-1)) )
996 {
997 pfCopyMemory( inf->inf_SaveTIB, gCurrentTask->td_TIB, inf->inf_SourceNum+1 );
998 }
999
1000/* Set new current input. */
1001 DBUG(( "ffPushInputStream: InputFile = 0x%x\n", InputFile ));
1002 gCurrentTask->td_InputStream = InputFile;
1003 gCurrentTask->td_LineNumber = 0;
1004 }
1005 else
1006 {
1007 ERR("ffPushInputStream: max depth exceeded.\n");
1008 return -1;
1009 }
1010
1011
1012 return Result;
1013}
1014
1015/***************************************************************
1016** Go back to reading previous stream.
1017** Just return gCurrentTask->td_InputStream upon underflow.
1018***************************************************************/
1019FileStream *ffPopInputStream( void )
1020{
1021 IncludeFrame *inf;
1022 FileStream *Result;
1023
1024DBUG(("ffPopInputStream: gIncludeIndex = %d\n", gIncludeIndex));
1025 Result = gCurrentTask->td_InputStream;
1026
1027/* Restore input state. */
1028 if( gIncludeIndex > 0 )
1029 {
1030 inf = &gIncludeStack[--gIncludeIndex];
1031 gCurrentTask->td_InputStream = inf->inf_FileID;
1032 DBUG(("ffPopInputStream: stream = 0x%x\n", gCurrentTask->td_InputStream ));
1033 gCurrentTask->td_IN = inf->inf_IN;
1034 gCurrentTask->td_LineNumber = inf->inf_LineNumber;
1035 gCurrentTask->td_SourceNum = inf->inf_SourceNum;
1036/* Copy TIB plus any NUL terminator into saved area. */
1037 if( (inf->inf_SourceNum > 0) && (inf->inf_SourceNum < (TIB_SIZE-1)) )
1038 {
1039 pfCopyMemory( gCurrentTask->td_TIB, inf->inf_SaveTIB, inf->inf_SourceNum+1 );
1040 }
1041
1042 }
1043DBUG(("ffPopInputStream: return = 0x%x\n", Result ));
1044
1045 return Result;
1046}
1047
1048/***************************************************************
1049** Convert file pointer to value consistent with SOURCE-ID.
1050***************************************************************/
1051cell_t ffConvertStreamToSourceID( FileStream *Stream )
1052{
1053 cell_t Result;
1054 if(Stream == PF_STDIN)
1055 {
1056 Result = 0;
1057 }
1058 else if(Stream == NULL)
1059 {
1060 Result = -1;
1061 }
1062 else
1063 {
1064 Result = (cell_t) Stream;
1065 }
1066 return Result;
1067}
1068
1069/***************************************************************
1070** Convert file pointer to value consistent with SOURCE-ID.
1071***************************************************************/
1072FileStream * ffConvertSourceIDToStream( cell_t id )
1073{
1074 FileStream *stream;
1075
1076 if( id == 0 )
1077 {
1078 stream = PF_STDIN;
1079 }
1080 else if( id == -1 )
1081 {
1082 stream = NULL;
1083 }
1084 else
1085 {
1086 stream = (FileStream *) id;
1087 }
1088 return stream;
1089}
1090
1091/**************************************************************
1092** Receive line from input stream.
1093** Return length, or -1 for EOF.
1094*/
1095#define BACKSPACE (8)
1096static cell_t readLineFromStream( char *buffer, cell_t maxChars, FileStream *stream )
1097{
1098 int c;
1099 int len;
1100 char *p;
1101 static int lastChar = 0;
1102 int done = 0;
1103
1104DBUGX(("readLineFromStream(0x%x, 0x%x, 0x%x)\n", buffer, len, stream ));
1105 p = buffer;
1106 len = 0;
1107 while( (len < maxChars) && !done )
1108 {
1109 c = sdInputChar(stream);
1110 switch(c)
1111 {
1112 case EOF:
1113 DBUG(("EOF\n"));
1114 done = 1;
1115 if( len <= 0 ) len = -1;
1116 break;
1117
1118 case '\n':
1119 DBUGX(("EOL=\\n\n"));
1120 if( lastChar != '\r' ) done = 1;
1121 break;
1122
1123 case '\r':
1124 DBUGX(("EOL=\\r\n"));
1125 done = 1;
1126 break;
1127
1128 default:
1129 *p++ = (char) c;
1130 len++;
1131 break;
1132 }
1133 lastChar = c;
1134 }
1135
1136/* NUL terminate line to simplify printing when debugging. */
1137 if( (len >= 0) && (len < maxChars) ) p[len] = '\0';
1138
1139 return len;
1140}
1141
1142/**************************************************************
1143** ( -- , fill Source from current stream )
1144** Return 1 if successful, 0 for EOF, or a negative error.
1145*/
1146cell_t ffRefill( void )
1147{
1148 cell_t Num;
1149 cell_t Result = 1;
1150
1151/* reset >IN for parser */
1152 gCurrentTask->td_IN = 0;
1153
1154/* get line from current stream */
1155 if( gCurrentTask->td_InputStream == PF_STDIN )
1156 {
1157 /* ACCEPT is deferred so we call it through the dictionary. */
1158 PUSH_DATA_STACK( gCurrentTask->td_SourcePtr );
1159 PUSH_DATA_STACK( TIB_SIZE );
1160 pfCatch( gAcceptP_XT );
1161 Num = POP_DATA_STACK;
1162 if( Num < 0 )
1163 {
1164 Result = Num;
1165 goto error;
1166 }
1167 }
1168 else
1169 {
1170 Num = readLineFromStream( gCurrentTask->td_SourcePtr, TIB_SIZE,
1171 gCurrentTask->td_InputStream );
1172 if( Num == EOF )
1173 {
1174 Result = 0;
1175 Num = 0;
1176 }
1177 }
1178
1179 gCurrentTask->td_SourceNum = Num;
1180 gCurrentTask->td_LineNumber++; /* Bump for include. */
1181
1182/* echo input if requested */
1183 if( gVarEcho && ( Num > 0))
1184 {
1185 ioType( gCurrentTask->td_SourcePtr, gCurrentTask->td_SourceNum );
1186 EMIT_CR;
1187 }
1188
1189error:
1190 return Result;
1191}
Fork of 'github/philburk/pforth', a portable ANS-like Forth written in ANSI C.