1 | /**************************************** |
---|
2 | * Computer Algebra System SINGULAR * |
---|
3 | ****************************************/ |
---|
4 | /* $Id: iplib.cc,v 1.43 1998-11-19 16:19:54 krueger Exp $ */ |
---|
5 | /* |
---|
6 | * ABSTRACT: interpreter: LIB and help |
---|
7 | */ |
---|
8 | |
---|
9 | //#include <stdlib.h> |
---|
10 | #include <stdio.h> |
---|
11 | #include <string.h> |
---|
12 | //#include <ctype.h> |
---|
13 | #include <sys/stat.h> |
---|
14 | |
---|
15 | #include "mod2.h" |
---|
16 | #include "tok.h" |
---|
17 | #include "ipid.h" |
---|
18 | #include "mmemory.h" |
---|
19 | #include "febase.h" |
---|
20 | #include "ring.h" |
---|
21 | #include "subexpr.h" |
---|
22 | #include "ipshell.h" |
---|
23 | #include "lists.h" |
---|
24 | |
---|
25 | #ifdef HAVE_LIBPARSER |
---|
26 | # include "libparse.h" |
---|
27 | #else /* HAVE_LIBPARSER */ |
---|
28 | procinfo *iiInitSingularProcinfo(procinfov pi, char *libname, |
---|
29 | char *procname, int line, long pos, |
---|
30 | BOOLEAN pstatic = FALSE); |
---|
31 | #endif /* HAVE_LIBPARSER */ |
---|
32 | #define NS_LRING namespaceroot->next->currRing |
---|
33 | |
---|
34 | #ifdef HAVE_DYNAMIC_LOADING |
---|
35 | void *dynl_open(char *filename); |
---|
36 | void *dynl_sym(void *handle, char *symbol); |
---|
37 | int dynl_close (void *handle); |
---|
38 | char *dynl_error(); |
---|
39 | #endif /* HAVE_DYNAMIC_LOADING */ |
---|
40 | |
---|
41 | char *iiConvName(char *p); |
---|
42 | #ifdef HAVE_LIBPARSER |
---|
43 | void yylprestart (FILE *input_file ); |
---|
44 | int current_pos(int i=0); |
---|
45 | extern int yylp_errno; |
---|
46 | extern int yylplineno; |
---|
47 | extern char *yylp_errlist[]; |
---|
48 | void print_init(); |
---|
49 | libstackv library_stack; |
---|
50 | #endif |
---|
51 | |
---|
52 | |
---|
53 | /*2 |
---|
54 | * find the library of an proc: |
---|
55 | * => return (pi->libname) |
---|
56 | */ |
---|
57 | char * iiGetLibName(procinfov pi) |
---|
58 | { |
---|
59 | char *res=NULL; |
---|
60 | |
---|
61 | res = pi->libname; |
---|
62 | return res; |
---|
63 | } |
---|
64 | /*2 |
---|
65 | * given a line 'proc[ ]+{name}[ \t]*' |
---|
66 | * return a pointer to name and set the end of '\0' |
---|
67 | * changes the input! |
---|
68 | * returns: e: pointer to 'end of name' |
---|
69 | * ct: changed char at the end of s |
---|
70 | */ |
---|
71 | char* iiProcName(char *buf, char & ct, char* &e) |
---|
72 | { |
---|
73 | char *s=buf+5; |
---|
74 | while (*s==' ') s++; |
---|
75 | e=s+1; |
---|
76 | while ((*e>' ') && (*e!='(')) e++; |
---|
77 | ct=*e; |
---|
78 | *e='\0'; |
---|
79 | return s; |
---|
80 | } |
---|
81 | |
---|
82 | /*2 |
---|
83 | * given a line with args, return the argstr |
---|
84 | */ |
---|
85 | char * iiProcArgs(char *e,BOOLEAN withParenth) |
---|
86 | { |
---|
87 | while ((*e==' ') || (*e=='\t') || (*e=='(')) e++; |
---|
88 | if (*e<' ') |
---|
89 | { |
---|
90 | if (withParenth) |
---|
91 | { |
---|
92 | // no argument list, allow list # |
---|
93 | return mstrdup("parameter list #;"); |
---|
94 | } |
---|
95 | else |
---|
96 | { |
---|
97 | // empty list |
---|
98 | return mstrdup(""); |
---|
99 | } |
---|
100 | } |
---|
101 | BOOLEAN in_args; |
---|
102 | BOOLEAN args_found; |
---|
103 | char *s; |
---|
104 | char *argstr=(char *)AllocL(124); |
---|
105 | int argstrlen=124; |
---|
106 | *argstr='\0'; |
---|
107 | do |
---|
108 | { |
---|
109 | args_found=FALSE; |
---|
110 | s=e; // set s to the starting point of the arg |
---|
111 | // and search for the end |
---|
112 | while ((*e!=',')&&(*e!=')')&&(*e!='\0')) |
---|
113 | { |
---|
114 | args_found=args_found || (*e>' '); |
---|
115 | e++; |
---|
116 | } |
---|
117 | in_args=(*e==','); |
---|
118 | if (args_found) |
---|
119 | { |
---|
120 | *e='\0'; |
---|
121 | // check for space: |
---|
122 | if ((int)strlen(argstr)+12 /* parameter + ;*/ +(int)strlen(s)>= argstrlen) |
---|
123 | { |
---|
124 | argstrlen*=2; |
---|
125 | char *a=(char *)AllocL( argstrlen); |
---|
126 | strcpy(a,argstr); |
---|
127 | FreeL((ADDRESS)argstr); |
---|
128 | argstr=a; |
---|
129 | } |
---|
130 | // copy the result to argstr |
---|
131 | strcat(argstr,"parameter "); |
---|
132 | strcat(argstr,s); |
---|
133 | strcat(argstr,"; "); |
---|
134 | e++; // e was pointing to ',' |
---|
135 | } |
---|
136 | } while (in_args); |
---|
137 | return argstr; |
---|
138 | } |
---|
139 | |
---|
140 | /*2 |
---|
141 | * locate `procname` in lib `libname` and find the part `part`: |
---|
142 | * part=0: help, between, but excluding the line "proc ..." and "{...": |
---|
143 | * => return |
---|
144 | * part=1: body, between "{ ..." and "}", including the 1. line, w/o "{" |
---|
145 | * => set pi->data.s.body, return NULL |
---|
146 | * part=2: example, between, but excluding the line "exapmle {..." and "}": |
---|
147 | * => return |
---|
148 | */ |
---|
149 | char* iiGetLibProcBuffer(procinfo *pi, int part ) |
---|
150 | { |
---|
151 | char buf[256], *s = NULL, *p; |
---|
152 | long procbuflen; |
---|
153 | |
---|
154 | FILE * fp = feFopen( pi->libname, "rb", NULL, TRUE ); |
---|
155 | if (fp==NULL) |
---|
156 | { |
---|
157 | return NULL; |
---|
158 | } |
---|
159 | |
---|
160 | fseek(fp, pi->data.s.proc_start, SEEK_SET); |
---|
161 | if(part==0) |
---|
162 | { // load help string |
---|
163 | int i, offset=0; |
---|
164 | long head = pi->data.s.def_end - pi->data.s.proc_start; |
---|
165 | procbuflen = pi->data.s.help_end - pi->data.s.help_start; |
---|
166 | //Print("Help=%ld-%ld=%d\n", pi->data.s.body_start, |
---|
167 | // pi->data.s.proc_start, procbuflen); |
---|
168 | s = (char *)AllocL(procbuflen+head+3); |
---|
169 | myfread(s, head, 1, fp); |
---|
170 | s[head] = '\n'; |
---|
171 | fseek(fp, pi->data.s.help_start, SEEK_SET); |
---|
172 | myfread(s+head+1, procbuflen, 1, fp); |
---|
173 | s[procbuflen+head+1] = '\n'; |
---|
174 | s[procbuflen+head+2] = '\0'; |
---|
175 | offset=0; |
---|
176 | for(i=0;i<=procbuflen+head+2; i++) { |
---|
177 | if(s[i]=='\\' && |
---|
178 | (s[i+1]=='"' || s[i+1]=='{' || s[i+1]=='}' || s[i+1]=='\\')) { |
---|
179 | i++; |
---|
180 | offset++; |
---|
181 | } |
---|
182 | if(offset>0) s[i-offset] = s[i]; |
---|
183 | } |
---|
184 | return(s); |
---|
185 | } |
---|
186 | if(part==1) |
---|
187 | { // load proc part |
---|
188 | procbuflen = pi->data.s.def_end - pi->data.s.proc_start; |
---|
189 | //fgets(buf, sizeof(buf), fp); |
---|
190 | myfread( buf, procbuflen, 1, fp); |
---|
191 | char ct; |
---|
192 | char *e; |
---|
193 | s=iiProcName(buf,ct,e); |
---|
194 | char *argstr=NULL; |
---|
195 | *e=ct; |
---|
196 | argstr=iiProcArgs(e,TRUE); |
---|
197 | procbuflen = pi->data.s.body_end - pi->data.s.body_start; |
---|
198 | pi->data.s.body = (char *)AllocL( strlen(argstr)+procbuflen+15+ |
---|
199 | strlen(pi->libname) ); |
---|
200 | //Print("Body=%ld-%ld=%d\n", pi->data.s.body_end, |
---|
201 | // pi->data.s.body_start, procbuflen); |
---|
202 | if (pi->data.s.body==NULL) |
---|
203 | { |
---|
204 | Werror( "unable to allocate proc buffer `%s`", pi->procname ); |
---|
205 | return NULL; |
---|
206 | } |
---|
207 | fseek(fp, pi->data.s.body_start, SEEK_SET); |
---|
208 | strcpy(pi->data.s.body,argstr); |
---|
209 | myfread( pi->data.s.body+strlen(argstr), procbuflen, 1, fp); |
---|
210 | procbuflen+=strlen(argstr); |
---|
211 | FreeL(argstr); |
---|
212 | fclose( fp ); |
---|
213 | pi->data.s.body[procbuflen] = '\0'; |
---|
214 | strcat( pi->data.s.body+procbuflen, "\n;return();\n\n" ); |
---|
215 | strcat( pi->data.s.body+procbuflen+13,pi->libname); |
---|
216 | s=strchr(pi->data.s.body,'{'); |
---|
217 | if (s!=NULL) *s=' '; |
---|
218 | return NULL; |
---|
219 | } |
---|
220 | if(part==2) |
---|
221 | { // load example |
---|
222 | fseek(fp, pi->data.s.example_start, SEEK_SET); |
---|
223 | fgets(buf, sizeof(buf), fp); |
---|
224 | procbuflen = pi->data.s.proc_end - pi->data.s.example_start - strlen(buf); |
---|
225 | //Print("Example=%ld-%ld=%d\n", pi->data.s.proc_end, |
---|
226 | // pi->data.s.example_start, procbuflen); |
---|
227 | s = (char *)AllocL(procbuflen+14); |
---|
228 | myfread(s, procbuflen, 1, fp); |
---|
229 | s[procbuflen] = '\0'; |
---|
230 | strcat(s+procbuflen-3, "\n;return();\n\n" ); |
---|
231 | p=strchr(s,'{'); |
---|
232 | if (p!=NULL) *p=' '; |
---|
233 | return(s); |
---|
234 | } |
---|
235 | return NULL; |
---|
236 | } |
---|
237 | |
---|
238 | /*2 |
---|
239 | * start a proc |
---|
240 | * parameters are built as exprlist |
---|
241 | * TODO:interrupt |
---|
242 | * return FALSE on success, TRUE if an error occurs |
---|
243 | */ |
---|
244 | BOOLEAN iiPStart(idhdl pn, sleftv * v) |
---|
245 | { |
---|
246 | char * str; |
---|
247 | BOOLEAN err=FALSE; |
---|
248 | int old_echo=si_echo; |
---|
249 | |
---|
250 | /* init febase ======================================== */ |
---|
251 | /* we do not enter this case if filename != NULL !! */ |
---|
252 | if (pn!=NULL) |
---|
253 | { |
---|
254 | procinfov pi; |
---|
255 | pi = IDPROC(pn); |
---|
256 | if(pi!=NULL) |
---|
257 | { |
---|
258 | if( pi->data.s.body==NULL ) |
---|
259 | { |
---|
260 | iiGetLibProcBuffer(IDPROC(pn)); |
---|
261 | if (IDPROC(pn)->data.s.body==NULL) return TRUE; |
---|
262 | } |
---|
263 | newBuffer( mstrdup(IDPROC(pn)->data.s.body), BT_proc, |
---|
264 | pi, IDPROC(pn)->data.s.body_lineno ); |
---|
265 | } |
---|
266 | //else |
---|
267 | //{ // for security only |
---|
268 | // newBuffer( mstrdup(IDSTRING(pn)), BT_proc, IDID(pn) ); |
---|
269 | //} |
---|
270 | } |
---|
271 | /* generate argument list ======================================*/ |
---|
272 | if (v!=NULL) |
---|
273 | { |
---|
274 | iiCurrArgs=(leftv)Alloc(sizeof(sleftv)); |
---|
275 | memcpy(iiCurrArgs,v,sizeof(sleftv)); |
---|
276 | memset(v,0,sizeof(sleftv)); |
---|
277 | } |
---|
278 | else |
---|
279 | { |
---|
280 | iiCurrArgs=NULL; |
---|
281 | } |
---|
282 | /* start interpreter ======================================*/ |
---|
283 | myynest++; |
---|
284 | //Print("%-*.*s PStart <<%s>>, level:%d\n",2*myynest,2*myynest," ",IDID(pn),myynest); |
---|
285 | err=yyparse(); |
---|
286 | killlocals(myynest); |
---|
287 | myynest--; |
---|
288 | si_echo=old_echo; |
---|
289 | //Print("%-*.*s PEnd <<%s>>, level:%d\n",2*myynest,2*myynest," ",IDID(pn),myynest); |
---|
290 | |
---|
291 | return err; |
---|
292 | } |
---|
293 | |
---|
294 | #ifdef USE_IILOCALRING |
---|
295 | ring *iiLocalRing |
---|
296 | #ifdef TEST |
---|
297 | =NULL |
---|
298 | #endif |
---|
299 | ; |
---|
300 | #endif |
---|
301 | sleftv *iiRETURNEXPR |
---|
302 | #ifdef TEST |
---|
303 | =NULL |
---|
304 | #endif |
---|
305 | ; |
---|
306 | int iiRETURNEXPR_len=0; |
---|
307 | |
---|
308 | #ifdef RDEBUG |
---|
309 | static void iiShowLevRings() |
---|
310 | { |
---|
311 | #ifdef USE_IILOCALRING |
---|
312 | int i; |
---|
313 | for (i=1;i<=myynest;i++) |
---|
314 | { |
---|
315 | Print("lev %d:",i); |
---|
316 | if (iiLocalRing[i]==NULL) PrintS("NULL"); |
---|
317 | else Print("%d",iiLocalRing[i]); |
---|
318 | PrintLn(); |
---|
319 | } |
---|
320 | #endif |
---|
321 | { |
---|
322 | namehdl nshdl; |
---|
323 | for(nshdl=namespaceroot; nshdl->isroot != TRUE; nshdl = nshdl->next) { |
---|
324 | Print("%d lev %d:",nshdl->lev, nshdl->myynest); |
---|
325 | if (nshdl->currRing==NULL) PrintS("NULL"); |
---|
326 | else Print("%d",nshdl->currRing); |
---|
327 | PrintLn(); |
---|
328 | } |
---|
329 | Print("%d lev %d:",nshdl->lev, nshdl->myynest); |
---|
330 | if (nshdl->currRing==NULL) PrintS("NULL"); |
---|
331 | else Print("%d",nshdl->currRing); |
---|
332 | PrintLn(); |
---|
333 | } |
---|
334 | if (currRing==NULL) PrintS("curr:NULL\n"); |
---|
335 | else Print ("curr:%d\n",currRing->no); |
---|
336 | } |
---|
337 | #endif |
---|
338 | |
---|
339 | static void iiCheckNest() |
---|
340 | { |
---|
341 | if (myynest >= iiRETURNEXPR_len-1) |
---|
342 | { |
---|
343 | iiRETURNEXPR=(sleftv *)ReAlloc(iiRETURNEXPR, |
---|
344 | iiRETURNEXPR_len*sizeof(sleftv), |
---|
345 | (iiRETURNEXPR_len+16)*sizeof(sleftv)); |
---|
346 | #ifdef USE_IILOCALRING |
---|
347 | iiLocalRing=(ring *)ReAlloc(iiLocalRing, |
---|
348 | iiRETURNEXPR_len*sizeof(ring), |
---|
349 | (iiRETURNEXPR_len+16)*sizeof(ring)); |
---|
350 | #endif |
---|
351 | iiRETURNEXPR_len+=16; |
---|
352 | } |
---|
353 | } |
---|
354 | #ifdef HAVE_NAMESPACES |
---|
355 | sleftv * iiMake_proc(idhdl pn, sleftv* slpn, sleftv* sl) |
---|
356 | #else /* HAVE_NAMESPACES */ |
---|
357 | sleftv * iiMake_proc(idhdl pn, sleftv* sl) |
---|
358 | #endif /* HAVE_NAMESPACES */ |
---|
359 | { |
---|
360 | int err; |
---|
361 | procinfov pi = IDPROC(pn); |
---|
362 | char *plib = iiConvName(pi->libname); |
---|
363 | #ifdef HAVE_NAMESPACES |
---|
364 | // printf("iiMake_proc: %s %s cur=%s\n", pi->libname, plib, namespaceroot->name); |
---|
365 | idhdl ns = namespaceroot->get(plib,0, TRUE); |
---|
366 | if((ns==NULL) && (slpn!=NULL) && (slpn->packhdl != NULL)) ns=slpn->packhdl; |
---|
367 | if(pi->is_static) |
---|
368 | { |
---|
369 | if(ns==NULL) |
---|
370 | { |
---|
371 | Werror("'%s::%s()' 1 is a local procedure and cannot be accessed by an user.", |
---|
372 | plib, pi->procname); |
---|
373 | FreeL(plib); |
---|
374 | return NULL; |
---|
375 | } |
---|
376 | if(strcmp(plib, namespaceroot->name)!= 0) |
---|
377 | { |
---|
378 | Werror("'%s::%s()' 2 is a local procedure and cannot be accessed by an user.", |
---|
379 | plib, pi->procname); |
---|
380 | FreeL(plib); |
---|
381 | return NULL; |
---|
382 | } |
---|
383 | } |
---|
384 | FreeL((ADDRESS)plib); |
---|
385 | if(ns != NULL) |
---|
386 | { |
---|
387 | namespaceroot->push(IDPACKAGE(ns), IDID(ns), myynest+1); |
---|
388 | //printf("iiMake_proc: namespace found.\n"); |
---|
389 | } |
---|
390 | else |
---|
391 | { |
---|
392 | namespaceroot->push(namespaceroot->root->pack, "Top", myynest+1); |
---|
393 | //printf("iiMake_proc: staying in TOP-LEVEL\n"); |
---|
394 | } |
---|
395 | #else /* HAVE_NAMESPACES */ |
---|
396 | if(pi->is_static && myynest==0) |
---|
397 | { |
---|
398 | Werror("'%s::%s()' is a local procedure and cannot be accessed by an user.", |
---|
399 | pi->libname, pi->procname); |
---|
400 | FreeL((ADDRESS)plib); |
---|
401 | return NULL; |
---|
402 | } |
---|
403 | namespaceroot->push(NULL, plib, myynest+1); |
---|
404 | FreeL((ADDRESS)plib); |
---|
405 | #endif /* HAVE_NAMESPACES */ |
---|
406 | iiCheckNest(); |
---|
407 | #ifdef USE_IILOCALRING |
---|
408 | iiLocalRing[myynest]=currRing; |
---|
409 | #endif |
---|
410 | iiRETURNEXPR[myynest+1].Init(); |
---|
411 | if (traceit&TRACE_SHOW_PROC) |
---|
412 | { |
---|
413 | if (traceit&TRACE_SHOW_LINENO) PrintLn(); |
---|
414 | Print("entering%-*.*s %s (level %d)\n",myynest*2,myynest*2," ",IDID(pn),myynest); |
---|
415 | } |
---|
416 | #ifdef RDEBUG |
---|
417 | if (traceit&TRACE_SHOW_RINGS) iiShowLevRings(); |
---|
418 | #endif |
---|
419 | switch (pi->language) |
---|
420 | { |
---|
421 | case LANG_NONE: |
---|
422 | err=TRUE; |
---|
423 | break; |
---|
424 | |
---|
425 | case LANG_SINGULAR: |
---|
426 | err=iiPStart(pn,sl); |
---|
427 | break; |
---|
428 | case LANG_C: |
---|
429 | leftv res = (leftv)Alloc0(sizeof(sleftv)); |
---|
430 | err = (pi->data.o.function)(res, sl); |
---|
431 | iiRETURNEXPR[myynest+1].Copy(res); |
---|
432 | Free((ADDRESS)res, sizeof(sleftv)); |
---|
433 | break; |
---|
434 | } |
---|
435 | if (traceit&TRACE_SHOW_PROC) |
---|
436 | { |
---|
437 | if (traceit&TRACE_SHOW_LINENO) PrintLn(); |
---|
438 | Print("leaving %-*.*s %s (level %d)\n",myynest*2,myynest*2," ",IDID(pn),myynest); |
---|
439 | } |
---|
440 | #ifdef RDEBUG |
---|
441 | if (traceit&TRACE_SHOW_RINGS) iiShowLevRings(); |
---|
442 | #endif |
---|
443 | if (err) |
---|
444 | { |
---|
445 | iiRETURNEXPR[myynest+1].CleanUp(); |
---|
446 | iiRETURNEXPR[myynest+1].Init(); |
---|
447 | } |
---|
448 | #ifdef USE_IILOCALRING |
---|
449 | if(namespaceroot->next->currRing != iiLocalRing[myynest]) printf("iiMake_proc: 1 ring not saved\n"); |
---|
450 | if (iiLocalRing[myynest] != currRing) |
---|
451 | { |
---|
452 | if (((iiRETURNEXPR[myynest+1].Typ()>BEGIN_RING) |
---|
453 | && (iiRETURNEXPR[myynest+1].Typ()<END_RING)) |
---|
454 | || ((iiRETURNEXPR[myynest+1].Typ()==LIST_CMD) |
---|
455 | && (lRingDependend((lists)iiRETURNEXPR[myynest+1].Data())))) |
---|
456 | { |
---|
457 | //idhdl hn; |
---|
458 | char *n; |
---|
459 | char *o; |
---|
460 | if (iiLocalRing[myynest]!=NULL) o=rFindHdl(iiLocalRing[myynest],NULL, NULL)->id; |
---|
461 | else o="none"; |
---|
462 | if (currRing!=NULL) n=rFindHdl(currRing,NULL, NULL)->id; |
---|
463 | else n="none"; |
---|
464 | Werror("ring change during procedure call: %s -> %s",o,n); |
---|
465 | iiRETURNEXPR[myynest+1].CleanUp(); |
---|
466 | err=TRUE; |
---|
467 | } |
---|
468 | if (iiLocalRing[myynest]!=NULL) |
---|
469 | { |
---|
470 | rSetHdl(rFindHdl(iiLocalRing[myynest],NULL, NULL),TRUE); |
---|
471 | iiLocalRing[myynest]=NULL; |
---|
472 | namespaceroot->next->currRing = NULL; |
---|
473 | } |
---|
474 | else |
---|
475 | { currRingHdl=NULL; currRing=NULL; } |
---|
476 | } |
---|
477 | #else /* USE_IILOCALRING */ |
---|
478 | if (NS_LRING != currRing) |
---|
479 | { |
---|
480 | if (((iiRETURNEXPR[myynest+1].Typ()>BEGIN_RING) |
---|
481 | && (iiRETURNEXPR[myynest+1].Typ()<END_RING)) |
---|
482 | || ((iiRETURNEXPR[myynest+1].Typ()==LIST_CMD) |
---|
483 | && (lRingDependend((lists)iiRETURNEXPR[myynest+1].Data())))) |
---|
484 | { |
---|
485 | char *n; |
---|
486 | char *o; |
---|
487 | if (NS_LRING!=NULL) o=rFindHdl(NS_LRING,NULL, NULL)->id; |
---|
488 | else o="none"; |
---|
489 | if (currRing!=NULL) n=rFindHdl(currRing,NULL, NULL)->id; |
---|
490 | else n="none"; |
---|
491 | Werror("ring change during procedure call: %s -> %s",o,n); |
---|
492 | iiRETURNEXPR[myynest+1].CleanUp(); |
---|
493 | err=TRUE; |
---|
494 | } |
---|
495 | if (NS_LRING!=NULL) |
---|
496 | { |
---|
497 | rSetHdl(rFindHdl(NS_LRING,NULL, NULL),TRUE); |
---|
498 | NS_LRING=NULL; |
---|
499 | } |
---|
500 | else |
---|
501 | { currRingHdl=NULL; currRing=NULL; } |
---|
502 | } |
---|
503 | #endif /* USE_IILOCALRING */ |
---|
504 | if (iiCurrArgs!=NULL) |
---|
505 | { |
---|
506 | if (!err) Warn("too many arguments for %s",IDID(pn)); |
---|
507 | iiCurrArgs->CleanUp(); |
---|
508 | Free((ADDRESS)iiCurrArgs,sizeof(sleftv)); |
---|
509 | iiCurrArgs=NULL; |
---|
510 | } |
---|
511 | namespaceroot->pop(TRUE); |
---|
512 | if (err) |
---|
513 | return NULL; |
---|
514 | return &iiRETURNEXPR[myynest+1]; |
---|
515 | } |
---|
516 | |
---|
517 | /*2 |
---|
518 | * start an example (as a proc), |
---|
519 | * destroys the string 'example' |
---|
520 | */ |
---|
521 | BOOLEAN iiEStart(char* example, procinfo *pi) |
---|
522 | { |
---|
523 | BOOLEAN err; |
---|
524 | int old_echo=si_echo; |
---|
525 | #ifdef HAVE_NAMESPACES |
---|
526 | char *plib = iiConvName(pi->libname); |
---|
527 | idhdl ns = namespaceroot->get(plib,0, TRUE); |
---|
528 | FreeL((ADDRESS)plib); |
---|
529 | #endif /* HAVE_NAMESPACES */ |
---|
530 | |
---|
531 | newBuffer( example, BT_example, pi, pi->data.s.example_lineno ); |
---|
532 | iiCheckNest(); |
---|
533 | #ifdef HAVE_NAMESPACES |
---|
534 | if(ns != NULL) namespaceroot->push(IDPACKAGE(ns), IDID(ns), myynest+1); |
---|
535 | else namespaceroot->push(namespaceroot->root->pack, "Top", myynest+1); |
---|
536 | #else /* HAVE_NAMESPACES */ |
---|
537 | namespaceroot->push(NULL, "", myynest+1); |
---|
538 | #endif /* HAVE_NAMESPACES */ |
---|
539 | #ifdef USE_IILOCALRING |
---|
540 | iiLocalRing[myynest]=currRing; |
---|
541 | #endif |
---|
542 | if (traceit&TRACE_SHOW_PROC) |
---|
543 | { |
---|
544 | if (traceit&TRACE_SHOW_LINENO) printf("\n"); |
---|
545 | printf("entering example (level %d)\n",myynest); |
---|
546 | } |
---|
547 | myynest++; |
---|
548 | err=yyparse(); |
---|
549 | killlocals(myynest); |
---|
550 | myynest--; |
---|
551 | si_echo=old_echo; |
---|
552 | if (traceit&TRACE_SHOW_PROC) |
---|
553 | { |
---|
554 | if (traceit&TRACE_SHOW_LINENO) printf("\n"); |
---|
555 | printf("leaving -example- (level %d)\n",myynest); |
---|
556 | } |
---|
557 | #ifdef USE_IILOCALRING |
---|
558 | if (iiLocalRing[myynest] != currRing) |
---|
559 | { |
---|
560 | if (iiLocalRing[myynest]!=NULL) |
---|
561 | { |
---|
562 | rSetHdl(rFindHdl(iiLocalRing[myynest],NULL, NULL),TRUE); |
---|
563 | iiLocalRing[myynest]=NULL; |
---|
564 | } |
---|
565 | else |
---|
566 | { |
---|
567 | currRingHdl=NULL; |
---|
568 | currRing=NULL; |
---|
569 | } |
---|
570 | } |
---|
571 | #else /* USE_IILOCALRING */ |
---|
572 | if (NS_LRING != currRing) |
---|
573 | { |
---|
574 | if (NS_LRING!=NULL) |
---|
575 | { |
---|
576 | rSetHdl(rFindHdl(NS_LRING,NULL, NULL),TRUE); |
---|
577 | NS_LRING=NULL; |
---|
578 | } |
---|
579 | else |
---|
580 | { |
---|
581 | currRingHdl=NULL; |
---|
582 | currRing=NULL; |
---|
583 | } |
---|
584 | } |
---|
585 | #endif /* USE_IILOCALRING */ |
---|
586 | namespaceroot->pop(TRUE); |
---|
587 | return err; |
---|
588 | } |
---|
589 | |
---|
590 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
591 | #ifdef HAVE_NAMESPACES |
---|
592 | BOOLEAN iiLibCmd( char *newlib, BOOLEAN autoexport, BOOLEAN tellerror ) |
---|
593 | #else /* HAVE_NAMESPACES */ |
---|
594 | BOOLEAN iiLibCmd( char *newlib, BOOLEAN tellerror ) |
---|
595 | #endif /* HAVE_NAMESPACES */ |
---|
596 | { |
---|
597 | char buf[256]; |
---|
598 | char libnamebuf[128]; |
---|
599 | idhdl h,hl; |
---|
600 | #ifdef HAVE_NAMESPACES |
---|
601 | idhdl pl; |
---|
602 | #endif /* HAVE_NAMESPACES */ |
---|
603 | int lines = 1; |
---|
604 | long pos = 0L; |
---|
605 | procinfov pi; |
---|
606 | #ifdef HAVE_NAMESPACES |
---|
607 | char *plib = iiConvName(newlib); |
---|
608 | #endif /* HAVE_NAMESPACES */ |
---|
609 | FILE * fp = feFopen( newlib, "r", libnamebuf, tellerror ); |
---|
610 | if (fp==NULL) |
---|
611 | { |
---|
612 | return TRUE; |
---|
613 | } |
---|
614 | #ifdef HAVE_NAMESPACES |
---|
615 | int token; |
---|
616 | |
---|
617 | if(IsCmd(plib, &token)) |
---|
618 | { |
---|
619 | Werror("'%s' is resered identifier\n", plib); |
---|
620 | return TRUE; |
---|
621 | } |
---|
622 | hl = namespaceroot->get("LIB",0, TRUE); |
---|
623 | #else /* HAVE_NAMESPACES */ |
---|
624 | hl = idroot->get("LIB",0); |
---|
625 | #endif /* HAVE_NAMESPACES */ |
---|
626 | if (hl==NULL) |
---|
627 | { |
---|
628 | #ifdef HAVE_NAMESPACES |
---|
629 | hl = enterid( mstrdup("LIB"),0, STRING_CMD, |
---|
630 | &NSROOT(namespaceroot->root), FALSE ); |
---|
631 | #else /* HAVE_NAMESPACES */ |
---|
632 | hl = enterid( mstrdup("LIB"),0, STRING_CMD, &idroot, FALSE ); |
---|
633 | #endif /* HAVE_NAMESPACES */ |
---|
634 | IDSTRING(hl) = mstrdup(newlib); |
---|
635 | } |
---|
636 | else |
---|
637 | { |
---|
638 | #ifdef TEST |
---|
639 | if (IDSTRING(hl) != NULL) |
---|
640 | #endif |
---|
641 | { |
---|
642 | char *s = (char *)AllocL( strlen(newlib) + strlen(IDSTRING(hl)) + 2 ); |
---|
643 | strcpy(s,IDSTRING(hl)); |
---|
644 | BOOLEAN f=FALSE; |
---|
645 | if(strchr(s,',')==NULL) |
---|
646 | { |
---|
647 | if (strcmp(s,newlib)==0) |
---|
648 | f=TRUE; |
---|
649 | } |
---|
650 | else |
---|
651 | { |
---|
652 | char *p=strtok(s,","); |
---|
653 | do |
---|
654 | { |
---|
655 | if(strcmp(p,newlib)==0) |
---|
656 | { |
---|
657 | f=TRUE; |
---|
658 | break; |
---|
659 | } |
---|
660 | p=strtok(NULL,","); |
---|
661 | } while (p!=NULL); |
---|
662 | } |
---|
663 | if (f) |
---|
664 | FreeL((ADDRESS)s); |
---|
665 | else |
---|
666 | { |
---|
667 | sprintf( s, "%s,%s", IDSTRING(hl), newlib); |
---|
668 | FreeL((ADDRESS)IDSTRING(hl)); |
---|
669 | IDSTRING(hl) = s; |
---|
670 | } |
---|
671 | } |
---|
672 | #ifdef TEST |
---|
673 | else |
---|
674 | { |
---|
675 | PrintS("## empty LIB string\n"); |
---|
676 | IDSTRING(hl) = mstrdup(newlib); |
---|
677 | } |
---|
678 | #endif |
---|
679 | } |
---|
680 | #ifdef HAVE_TCL |
---|
681 | if (tclmode) |
---|
682 | { |
---|
683 | PrintTCLS('L',newlib); |
---|
684 | } |
---|
685 | #endif |
---|
686 | #ifdef HAVE_NAMESPACES |
---|
687 | pl = namespaceroot->get(plib,0, TRUE); |
---|
688 | if (pl==NULL) |
---|
689 | { |
---|
690 | pl = enterid( mstrdup(plib),0, PACKAGE_CMD, |
---|
691 | &NSROOT(namespaceroot->root), TRUE ); |
---|
692 | IDPACKAGE(pl)->language = LANG_SINGULAR; |
---|
693 | IDPACKAGE(pl)->libname=mstrdup(newlib); |
---|
694 | } |
---|
695 | else |
---|
696 | { |
---|
697 | if(IDTYP(pl)!=PACKAGE_CMD) |
---|
698 | { |
---|
699 | Warn("not of typ package."); |
---|
700 | return TRUE; |
---|
701 | } |
---|
702 | } |
---|
703 | namespaceroot->push(IDPACKAGE(pl), IDID(pl)); |
---|
704 | #endif /* HAVE_NAMESPACES */ |
---|
705 | |
---|
706 | #ifdef HAVE_LIBPARSER |
---|
707 | extern FILE *yylpin; |
---|
708 | libstackv ls_start = library_stack; |
---|
709 | lib_style_types lib_style; |
---|
710 | |
---|
711 | yylpin = fp; |
---|
712 | # if YYLPDEBUG > 1 |
---|
713 | print_init(); |
---|
714 | # endif |
---|
715 | extern int lpverbose; |
---|
716 | if (BVERBOSE(V_DEBUG_LIB)) lpverbose=1; else lpverbose=0; |
---|
717 | # ifdef HAVE_NAMESPACES |
---|
718 | yylplex(newlib, libnamebuf, &lib_style, pl, autoexport); |
---|
719 | # else /* HAVE_NAMESPACES */ |
---|
720 | yylplex(newlib, libnamebuf, &lib_style); |
---|
721 | # endif /* HAVE_NAMESPACES */ |
---|
722 | if(yylp_errno) |
---|
723 | { |
---|
724 | Werror("Library %s: ERROR occured: in line %d, %d.", newlib, yylplineno, |
---|
725 | current_pos(0)); |
---|
726 | if(yylp_errno==YYLP_BAD_CHAR) |
---|
727 | { |
---|
728 | Werror(yylp_errlist[yylp_errno], *text_buffer, yylplineno); |
---|
729 | FreeL((ADDRESS)text_buffer); |
---|
730 | } |
---|
731 | else |
---|
732 | Werror(yylp_errlist[yylp_errno], yylplineno); |
---|
733 | Werror("Cannot load library,... aborting."); |
---|
734 | reinit_yylp(); |
---|
735 | fclose( yylpin ); |
---|
736 | FreeL((ADDRESS)newlib); |
---|
737 | # ifdef HAVE_NAMESPACES |
---|
738 | FreeL((ADDRESS)plib); |
---|
739 | # endif /* HAVE_NAMESPACES */ |
---|
740 | return TRUE; |
---|
741 | } |
---|
742 | if (BVERBOSE(V_LOAD_LIB)) Print( "// ** loaded %s %s\n", libnamebuf, |
---|
743 | text_buffer); |
---|
744 | if( (lib_style == OLD_LIBSTYLE) && (BVERBOSE(V_LOAD_LIB))) |
---|
745 | { |
---|
746 | Warn( "library %s has old format. This format is still accepted,", newlib); |
---|
747 | Warn( "but for functionality you may wish to change to the new"); |
---|
748 | Warn( "format. Please refer to the manual for further information."); |
---|
749 | } |
---|
750 | reinit_yylp(); |
---|
751 | fclose( yylpin ); |
---|
752 | #ifdef HAVE_NAMESPACES |
---|
753 | namespaceroot->pop(); |
---|
754 | #endif /* HAVE_NAMESPACES */ |
---|
755 | { |
---|
756 | libstackv ls; |
---|
757 | for(ls = library_stack; (ls != NULL) && (ls != ls_start); ) |
---|
758 | { |
---|
759 | if(ls->to_be_done) |
---|
760 | { |
---|
761 | //Print("// Processing id %d LIB:%s\n", ls->cnt, ls->get()); |
---|
762 | ls->to_be_done=FALSE; |
---|
763 | #ifdef HAVE_NAMESPACES |
---|
764 | iiLibCmd(ls->get(), autoexport); |
---|
765 | #else /* HAVE_NAMESPACES */ |
---|
766 | iiLibCmd(ls->get()); |
---|
767 | #endif /* HAVE_NAMESPACES */ |
---|
768 | ls = ls->pop(newlib); |
---|
769 | //Print("Done\n"); |
---|
770 | } |
---|
771 | } |
---|
772 | #if 0 |
---|
773 | PrintS("--------------------\n"); |
---|
774 | for(ls = library_stack; ls != NULL; ls = ls->next) |
---|
775 | { |
---|
776 | Print("%s: LIB-stack:(%d), %s %s\n", newlib, ls->cnt, ls->get(), |
---|
777 | ls->to_be_done ? "not loaded" : "loaded"); |
---|
778 | } |
---|
779 | PrintS("--------------------\n"); |
---|
780 | #endif |
---|
781 | } |
---|
782 | #else /* HAVE_LIBPARSER */ |
---|
783 | // processing head section |
---|
784 | if (fgets( buf, sizeof(buf), fp)) |
---|
785 | { |
---|
786 | if (BVERBOSE(V_LOAD_LIB)) |
---|
787 | { |
---|
788 | if (strncmp( buf, "// $Id", 5) == 0) |
---|
789 | { |
---|
790 | char ver[10]; |
---|
791 | char date[16]; |
---|
792 | ver[0]='?'; ver[1]='.'; ver[2]='?'; ver[3]='\0'; |
---|
793 | date[0]='?'; date[1]='\0'; |
---|
794 | sscanf(buf,"// %*s %*s %10s %16s",ver,date); |
---|
795 | strcat(libnamebuf,"("); |
---|
796 | strcat(libnamebuf,ver); |
---|
797 | strcat(libnamebuf,","); |
---|
798 | strcat(libnamebuf,date); |
---|
799 | strcat(libnamebuf,")"); |
---|
800 | } |
---|
801 | else |
---|
802 | { |
---|
803 | strcat(libnamebuf,"(**unknown version**)"); |
---|
804 | } |
---|
805 | Warn( "loading %s", libnamebuf ); |
---|
806 | } |
---|
807 | } |
---|
808 | |
---|
809 | #define IN_HEADER 1 |
---|
810 | #define IN_BODY 2 |
---|
811 | #define IN_EXAMPLE 3 |
---|
812 | #define IN_EXAMPLE_BODY 4 |
---|
813 | #define IN_LIB_HEADER 5 |
---|
814 | int v=-1,otherLines=0,inBlock=IN_LIB_HEADER; |
---|
815 | do /*while (fgets( buf, sizeof(buf), fp))*/ |
---|
816 | { |
---|
817 | int offset; |
---|
818 | if (buf[0]!='\n') |
---|
819 | { |
---|
820 | if ((inBlock==0)||(inBlock==IN_LIB_HEADER)) |
---|
821 | { |
---|
822 | if (strncmp( buf, "LIB ", 4) == 0) |
---|
823 | { |
---|
824 | char *s=buf+5; |
---|
825 | char *f=strchr(s,'"'); |
---|
826 | if (f!=NULL) |
---|
827 | *f='\0'; |
---|
828 | else |
---|
829 | return TRUE; |
---|
830 | // if (BVERBOSE(V_LOAD_LIB)) Print("// requires %s",s); |
---|
831 | f=strstr(IDSTRING(hl),s); |
---|
832 | if (f == NULL) |
---|
833 | { |
---|
834 | // if (BVERBOSE(V_LOAD_LIB)) PrintLn(); |
---|
835 | iiLibCmd(mstrdup(s)); |
---|
836 | // if (BVERBOSE(V_LOAD_LIB)) Print( "// loading %s\n", newlib); |
---|
837 | } |
---|
838 | //else if (BVERBOSE(V_LOAD_LIB)) PrintS(" -> already loaded\n"); |
---|
839 | } |
---|
840 | else if (strncmp( buf, "proc ", 5) == 0) |
---|
841 | { |
---|
842 | char proc[256]; |
---|
843 | char ct1, *e; |
---|
844 | sscanf( buf, "proc %s", proc); |
---|
845 | offset = 2; |
---|
846 | char *ct=strchr(proc,'('); |
---|
847 | if (ct!=NULL) { *ct='\0'; offset=3; } |
---|
848 | sprintf( buf, "LIB:%s", newlib); |
---|
849 | #if 0 |
---|
850 | if(strcmp(proc, "_init")==0) |
---|
851 | { |
---|
852 | char *p = iiConvName(newlib); |
---|
853 | Print("Init found:%s;\n", p); |
---|
854 | #ifdef HAVE_NAMESPACES |
---|
855 | h = enterid( mstrdup(p), myynest, PROC_CMD, IDPACKAGE(pl), FALSE ); |
---|
856 | #else /* HAVE_NAMESPACES */ |
---|
857 | h = enterid( mstrdup(p), myynest, PROC_CMD, &idroot, FALSE ); |
---|
858 | #endif /* HAVE_NAMESPACES */ |
---|
859 | FreeL((ADDRESS)p); |
---|
860 | } |
---|
861 | else |
---|
862 | #endif |
---|
863 | #ifdef HAVE_NAMESPACES |
---|
864 | h = enterid(mstrdup(proc), myynest, PROC_CMD, |
---|
865 | &IDPACKAGE(pl)->idroot, FALSE); |
---|
866 | #else /* HAVE_NAMESPACES */ |
---|
867 | h = enterid( mstrdup(proc), myynest, PROC_CMD, &idroot, FALSE); |
---|
868 | #endif /* HAVE_NAMESPACES */ |
---|
869 | if (h!=NULL) |
---|
870 | { |
---|
871 | iiInitSingularProcinfo(IDPROC(h),newlib,proc,lines,pos); |
---|
872 | if (BVERBOSE(V_LOAD_PROC)) Warn( " proc %s loaded", proc ); |
---|
873 | } |
---|
874 | inBlock=IN_HEADER; |
---|
875 | } |
---|
876 | else if (strncmp( buf, "// ver:", 7) == 0) |
---|
877 | { |
---|
878 | v=0; |
---|
879 | sscanf( buf+7, "%d", &v); |
---|
880 | if(v!=(SINGULAR_VERSION/100)) |
---|
881 | Warn("version mismatch - library `%s` requires:%d.%d", |
---|
882 | newlib,v/1000,(v%1000)/100); |
---|
883 | } |
---|
884 | else if (strncmp( buf, "example", 7) == 0) |
---|
885 | { |
---|
886 | IDPROC(h)->data.s.example_start = pos; |
---|
887 | IDPROC(h)->data.s.example_lineno = lines; |
---|
888 | inBlock=IN_EXAMPLE; |
---|
889 | } |
---|
890 | else if (strncmp( buf, "//", 2) != 0) |
---|
891 | { |
---|
892 | if (inBlock==0) |
---|
893 | { |
---|
894 | otherLines++; |
---|
895 | } |
---|
896 | } |
---|
897 | } |
---|
898 | else if ((inBlock==IN_HEADER) || (inBlock==IN_EXAMPLE)) |
---|
899 | { |
---|
900 | if (buf[0]=='{') |
---|
901 | { |
---|
902 | if(inBlock==IN_HEADER) |
---|
903 | { |
---|
904 | IDPROC(h)->data.s.body_start = pos; |
---|
905 | IDPROC(h)->data.s.body_lineno = lines-offset; |
---|
906 | // Print("%s: %d-%d\n", pi->procname, lines, offset); |
---|
907 | } |
---|
908 | inBlock=IN_BODY; |
---|
909 | } |
---|
910 | } |
---|
911 | else if ((inBlock==IN_BODY) || (inBlock==IN_EXAMPLE_BODY)) |
---|
912 | { |
---|
913 | if (buf[0]=='}') |
---|
914 | { |
---|
915 | if(IDPROC(h)->data.s.example_start==0) |
---|
916 | IDPROC(h)->data.s.example_start=pos; |
---|
917 | if(IDPROC(h)->data.s.body_end==0) IDPROC(h)->data.s.body_end=pos; |
---|
918 | IDPROC(h)->data.s.proc_end = pos; |
---|
919 | inBlock=0; |
---|
920 | } |
---|
921 | } |
---|
922 | } |
---|
923 | lines++; |
---|
924 | pos = ftell(fp); |
---|
925 | } while (fgets( buf, sizeof(buf), fp)); |
---|
926 | fclose( fp ); |
---|
927 | #ifdef HAVE_NAMESPACES |
---|
928 | namespaceroot->pop(); |
---|
929 | #endif /* HAVE_NAMESPACES */ |
---|
930 | |
---|
931 | //if (h!=NULL) IDPROC(h) = pi; |
---|
932 | if (BVERBOSE(V_DEBUG_LIB)) |
---|
933 | { |
---|
934 | if (inBlock!=0) |
---|
935 | Warn("LIB `%s` ends within block",newlib); |
---|
936 | if (otherLines!=0) |
---|
937 | Warn("%d lines not recognised in LIB `%s`",otherLines,newlib); |
---|
938 | if(v==-1) |
---|
939 | Warn("LIB `%s` has no version flag",newlib); |
---|
940 | } |
---|
941 | #endif /* HAVE_LIBPARSER */ |
---|
942 | FreeL((ADDRESS)newlib); |
---|
943 | #ifdef HAVE_NAMESPACES |
---|
944 | FreeL((ADDRESS)plib); |
---|
945 | #endif /* HAVE_LIBPARSER */ |
---|
946 | return FALSE; |
---|
947 | } |
---|
948 | |
---|
949 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
950 | procinfo *iiInitSingularProcinfo(procinfov pi, char *libname, char *procname, |
---|
951 | int line, long pos, BOOLEAN pstatic) |
---|
952 | { |
---|
953 | pi->libname = mstrdup(libname); |
---|
954 | |
---|
955 | if( strcmp(procname,"_init")==0) |
---|
956 | { |
---|
957 | pi->procname = iiConvName(libname); |
---|
958 | } |
---|
959 | else |
---|
960 | pi->procname = mstrdup(procname); |
---|
961 | pi->language = LANG_SINGULAR; |
---|
962 | pi->ref = 1; |
---|
963 | pi->is_static = pstatic; |
---|
964 | pi->data.s.proc_start = pos; |
---|
965 | pi->data.s.def_end = 0L; |
---|
966 | pi->data.s.help_start = 0L; |
---|
967 | pi->data.s.help_end = 0L; |
---|
968 | pi->data.s.body_start = 0L; |
---|
969 | pi->data.s.body_end = 0L; |
---|
970 | pi->data.s.example_start = 0L; |
---|
971 | pi->data.s.proc_lineno = line; |
---|
972 | pi->data.s.body_lineno = 0; |
---|
973 | pi->data.s.example_lineno = 0; |
---|
974 | pi->data.s.body = NULL; |
---|
975 | return(pi); |
---|
976 | } |
---|
977 | |
---|
978 | #ifdef HAVE_DYNAMIC_LOADING |
---|
979 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
980 | int iiAddCproc(char *libname, char *procname, BOOLEAN pstatic, |
---|
981 | BOOLEAN(*func)(leftv res, leftv v)) |
---|
982 | { |
---|
983 | procinfov pi; |
---|
984 | idhdl h; |
---|
985 | |
---|
986 | h = enterid(mstrdup(procname),0, PROC_CMD, &IDROOT, TRUE); |
---|
987 | if ( h!= NULL ) |
---|
988 | { |
---|
989 | pi = IDPROC(h); |
---|
990 | pi->libname = mstrdup(libname); |
---|
991 | pi->procname = mstrdup(procname); |
---|
992 | pi->language = LANG_C; |
---|
993 | pi->ref = 1; |
---|
994 | pi->is_static = pstatic; |
---|
995 | pi->data.o.function = func; |
---|
996 | return(1); |
---|
997 | } |
---|
998 | else |
---|
999 | { |
---|
1000 | PrintS("iiAddCproc: failed.\n"); |
---|
1001 | } |
---|
1002 | return(0); |
---|
1003 | } |
---|
1004 | |
---|
1005 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1006 | BOOLEAN load_modules(char *newlib, char *fullname, BOOLEAN tellerror) |
---|
1007 | { |
---|
1008 | int iiAddCproc(char *libname, char *procname, BOOLEAN pstatic, |
---|
1009 | BOOLEAN(*func)(leftv res, leftv v)); |
---|
1010 | int (*fktn)(int(*iiAddCproc)(char *libname, char *procname, |
---|
1011 | BOOLEAN pstatic, |
---|
1012 | BOOLEAN(*func)(leftv res, leftv v))); |
---|
1013 | idhdl pl; |
---|
1014 | char *plib = iiConvName(newlib); |
---|
1015 | BOOLEAN RET=TRUE; |
---|
1016 | int token; |
---|
1017 | char FullName[256]; |
---|
1018 | |
---|
1019 | if( *fullname != '/' && *fullname != '.' ) |
---|
1020 | sprintf(FullName, "./%s", newlib); |
---|
1021 | else strcpy(FullName, fullname); |
---|
1022 | |
---|
1023 | |
---|
1024 | if(IsCmd(plib, &token)) |
---|
1025 | { |
---|
1026 | Werror("'%s' is resered identifier\n", plib); |
---|
1027 | goto load_modules_end; |
---|
1028 | } |
---|
1029 | |
---|
1030 | pl = namespaceroot->get(plib,0, TRUE); |
---|
1031 | if (pl==NULL) |
---|
1032 | { |
---|
1033 | pl = enterid( mstrdup(plib),0, PACKAGE_CMD, |
---|
1034 | &NSROOT(namespaceroot->root), TRUE ); |
---|
1035 | IDPACKAGE(pl)->language = LANG_C; |
---|
1036 | IDPACKAGE(pl)->libname=mstrdup(newlib); |
---|
1037 | } |
---|
1038 | else |
---|
1039 | { |
---|
1040 | if(IDTYP(pl)!=PACKAGE_CMD) |
---|
1041 | { |
---|
1042 | Warn("not of typ package."); |
---|
1043 | goto load_modules_end; |
---|
1044 | } |
---|
1045 | } |
---|
1046 | namespaceroot->push(IDPACKAGE(pl), IDID(pl)); |
---|
1047 | |
---|
1048 | if((IDPACKAGE(pl)->handle=dynl_open(FullName))==(void *)NULL) |
---|
1049 | { |
---|
1050 | WerrorS("dynl_open failed"); |
---|
1051 | Werror("%s not found", newlib); |
---|
1052 | goto load_modules_end; |
---|
1053 | } |
---|
1054 | else |
---|
1055 | { |
---|
1056 | fktn = dynl_sym(IDPACKAGE(pl)->handle, "mod_init"); |
---|
1057 | if( fktn!= NULL) (*fktn)(iiAddCproc); |
---|
1058 | else Werror("mod_init: %s\n", dynl_error()); |
---|
1059 | if (BVERBOSE(V_LOAD_LIB)) Print( "// ** loaded %s \n", fullname); |
---|
1060 | } |
---|
1061 | RET=FALSE; |
---|
1062 | |
---|
1063 | load_modules_end: |
---|
1064 | namespaceroot->pop(); |
---|
1065 | return RET; |
---|
1066 | |
---|
1067 | } |
---|
1068 | #endif /* HAVE_DYNAMIC_LOADING */ |
---|
1069 | |
---|
1070 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1071 | char mytoupper(char c) |
---|
1072 | { |
---|
1073 | if(c>=97 && c<=(97+26)) c-=32; |
---|
1074 | return(c); |
---|
1075 | } |
---|
1076 | |
---|
1077 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1078 | #if defined(WINNT) |
---|
1079 | # define FS_SEP '\\' |
---|
1080 | #elif defined(macintosh) |
---|
1081 | # define FS_SEP ',' |
---|
1082 | #else |
---|
1083 | # define FS_SEP '/' |
---|
1084 | #endif |
---|
1085 | |
---|
1086 | char *iiConvName(char *libname) |
---|
1087 | { |
---|
1088 | char *tmpname = mstrdup(libname); |
---|
1089 | char *p = strrchr(tmpname, FS_SEP); |
---|
1090 | char *r; |
---|
1091 | if(p==NULL) p = tmpname; |
---|
1092 | else p++; |
---|
1093 | r = strchr(p, '.'); |
---|
1094 | if( r!= NULL) *r = '\0'; |
---|
1095 | r = mstrdup(p); |
---|
1096 | *r = mytoupper(*r); |
---|
1097 | // printf("iiConvName: '%s' '%s' => '%s'\n", libname, tmpname, r); |
---|
1098 | FreeL((ADDRESS)tmpname); |
---|
1099 | |
---|
1100 | return(r); |
---|
1101 | } |
---|
1102 | |
---|
1103 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1104 | void piShowProcList() |
---|
1105 | { |
---|
1106 | idhdl h; |
---|
1107 | #ifdef HAVE_NAMESPACES |
---|
1108 | idhdl pl; |
---|
1109 | #endif /* HAVE_NAMESPACES */ |
---|
1110 | procinfo *proc; |
---|
1111 | char *name; |
---|
1112 | |
---|
1113 | Print( "%-15s %20s %s,%s %s,%s %s,%s\n", "Library", "function", |
---|
1114 | "line", "start", "line", "body", "line", "example"); |
---|
1115 | #ifdef HAVE_NAMESPACES |
---|
1116 | // for(pl = IDROOT; pl != NULL; pl = IDNEXT(pl)) { |
---|
1117 | for(pl = NSROOT(namespaceroot->root); pl != NULL; pl = IDNEXT(pl)) { |
---|
1118 | if(IDTYP(pl) == PACKAGE_CMD) { |
---|
1119 | for(h = IDPACKAGE(pl)->idroot; h != NULL; h = IDNEXT(h)) |
---|
1120 | #else /* HAVE_NAMESPACES */ |
---|
1121 | for(h = IDROOT; h != NULL; h = IDNEXT(h)) |
---|
1122 | #endif /* HAVE_NAMESPACES */ |
---|
1123 | { |
---|
1124 | if(IDTYP(h) == PROC_CMD) |
---|
1125 | { |
---|
1126 | proc = IDPROC(h); |
---|
1127 | if(strcmp(proc->procname, IDID(h))!=0) |
---|
1128 | { |
---|
1129 | name = (char *)AllocL(strlen(IDID(h))+strlen(proc->procname)+4); |
---|
1130 | sprintf(name, "%s -> %s", IDID(h), proc->procname); |
---|
1131 | Print( "%d %-15s %20s ", proc->is_static ? 1 : 0, proc->libname, name); |
---|
1132 | FreeL((ADDRESS)name); |
---|
1133 | } |
---|
1134 | else |
---|
1135 | Print( "%d %-15s %20s ", proc->is_static ? 1 : 0, proc->libname, |
---|
1136 | proc->procname); |
---|
1137 | if(proc->language==LANG_SINGULAR) |
---|
1138 | Print("line %4d,%-5ld %4d,%-5ld %4d,%-5ld\n", |
---|
1139 | proc->data.s.proc_lineno, proc->data.s.proc_start, |
---|
1140 | proc->data.s.body_lineno, proc->data.s.body_start, |
---|
1141 | proc->data.s.example_lineno, proc->data.s.example_start); |
---|
1142 | else if(proc->language==LANG_C) |
---|
1143 | Print("type: object\n"); |
---|
1144 | #ifdef HAVE_NAMESPACES |
---|
1145 | } |
---|
1146 | } |
---|
1147 | #endif /* HAVE_NAMESPACES */ |
---|
1148 | } |
---|
1149 | } |
---|
1150 | } |
---|
1151 | |
---|
1152 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1153 | //char *iiLineNo(char *procname, int lineno) |
---|
1154 | //{ |
---|
1155 | // char buf[256]; |
---|
1156 | // idhdl pn = ggetid(procname); |
---|
1157 | // procinfo *pi = IDPROC(pn); |
---|
1158 | // |
---|
1159 | // sprintf(buf, "%s %3d\0", procname, lineno); |
---|
1160 | // //sprintf(buf, "%s::%s %3d\0", pi->libname, pi->procname, |
---|
1161 | // // lineno + pi->data.s.body_lineno); |
---|
1162 | // return(buf); |
---|
1163 | //} |
---|
1164 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1165 | #ifdef HAVE_LIBPARSER |
---|
1166 | void libstack::push(char *p, char *libname) |
---|
1167 | { |
---|
1168 | # ifdef HAVE_NAMESPACES |
---|
1169 | idhdl hl = namespaceroot->get("LIB",0, TRUE); |
---|
1170 | # else /* HAVE_NAMESPACES */ |
---|
1171 | idhdl hl = idroot->get("LIB",0); |
---|
1172 | # endif /* HAVE_NAMESPACES */ |
---|
1173 | libstackv lp; |
---|
1174 | char *f = NULL; |
---|
1175 | if(hl!=NULL) f = strstr(IDSTRING(hl),libname); |
---|
1176 | if( (hl==NULL) || (f == NULL)) { |
---|
1177 | for(lp = this;lp!=NULL;lp=lp->next) { |
---|
1178 | if(strcmp(lp->get(), libname)==0) break; |
---|
1179 | } |
---|
1180 | if(lp==NULL) { |
---|
1181 | libstackv ls = (libstack *)Alloc0(sizeof(libstack)); |
---|
1182 | ls->next = this; |
---|
1183 | ls->libname = mstrdup(libname); |
---|
1184 | ls->to_be_done = TRUE; |
---|
1185 | if(this != NULL) ls->cnt = this->cnt+1; else ls->cnt = 0; |
---|
1186 | library_stack = ls; |
---|
1187 | } |
---|
1188 | } |
---|
1189 | } |
---|
1190 | |
---|
1191 | libstackv libstack::pop(char *p) |
---|
1192 | { |
---|
1193 | libstackv ls = this; |
---|
1194 | //FreeL((ADDRESS)ls->libname); |
---|
1195 | library_stack = ls->next; |
---|
1196 | Free((ADDRESS)ls, sizeof(libstack)); |
---|
1197 | return(library_stack); |
---|
1198 | } |
---|
1199 | |
---|
1200 | #endif /* HAVE_LIBPARSER */ |
---|
1201 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1202 | #ifndef HOWMANY |
---|
1203 | # define HOWMANY 8192 /* how much of the file to look at */ |
---|
1204 | #endif |
---|
1205 | |
---|
1206 | lib_types type_of_LIB(char *newlib, char *libnamebuf) |
---|
1207 | { |
---|
1208 | unsigned char buf[HOWMANY+1]; /* one extra for terminating '\0' */ |
---|
1209 | struct stat sb; |
---|
1210 | int nbytes = 0; |
---|
1211 | int ret; |
---|
1212 | lib_types LT=LT_NONE; |
---|
1213 | |
---|
1214 | FILE * fp = feFopen( newlib, "r", libnamebuf, FALSE ); |
---|
1215 | ret = stat(libnamebuf, &sb); |
---|
1216 | |
---|
1217 | if (fp==NULL) |
---|
1218 | { |
---|
1219 | return LT; |
---|
1220 | } |
---|
1221 | if((sb.st_mode & S_IFMT) != S_IFREG) { |
---|
1222 | goto lib_type_end; |
---|
1223 | } |
---|
1224 | if ((nbytes = fread((char *)buf, sizeof(char), HOWMANY, fp)) == -1) { |
---|
1225 | goto lib_type_end; |
---|
1226 | /*NOTREACHED*/ |
---|
1227 | } |
---|
1228 | if (nbytes == 0) |
---|
1229 | goto lib_type_end; |
---|
1230 | else { |
---|
1231 | buf[nbytes++] = '\0'; /* null-terminate it */ |
---|
1232 | } |
---|
1233 | if( (strncmp(buf, "\177ELF\01\01\01", 7)==0) && buf[16]=='\03') { |
---|
1234 | LT = LT_ELF; |
---|
1235 | FreeL(newlib); |
---|
1236 | newlib = mstrdup(libnamebuf); |
---|
1237 | goto lib_type_end; |
---|
1238 | } |
---|
1239 | if(isprint(buf[0])) { LT = LT_SINGULAR; goto lib_type_end; } |
---|
1240 | |
---|
1241 | lib_type_end: |
---|
1242 | close(fp); |
---|
1243 | return LT; |
---|
1244 | } |
---|
1245 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|