Annotation of OpenXM_contrib2/asir2018/parse/pvar.c, Revision 1.3
1.1 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
47: *
1.3 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2018/parse/pvar.c,v 1.2 2020/09/27 04:35:05 noro Exp $
1.1 noro 49: */
50: #include "ca.h"
51: #include "parse.h"
52:
53: NODE PVSS;
54: extern char *CUR_FUNC;
55: int gdef,mgdef,ldef;
56:
57:
58: void mkpvs(char *fname)
59: {
60: VS pvs;
61: char *fullname,*buf;
62: FUNC f;
63:
64: if ( CUR_MODULE ) {
65: /* function must be declared in advance */
66: searchf(CUR_MODULE->usrf_list,fname,&f);
67: if ( !f ) {
1.2 noro 68: buf = ALLOCA(strlen("undeclared function ")+strlen(fname)+10);
1.1 noro 69: sprintf(buf,"undeclared function `%s'",fname);
70: yyerror(buf);
71: error("cannot continue to read inputs");
72: }
73: }
74: pvs = (VS)MALLOC(sizeof(struct oVS));
75: pvs->va = (struct oPV *)MALLOC(DEFSIZE*sizeof(struct oPV));
76: pvs->n = 0;
77: pvs->asize=DEFSIZE;
78: CPVS = pvs;
79:
80: /* XXX */
81: if ( CUR_MODULE ) {
82: fullname =
83: (char *)MALLOC_ATOMIC(strlen(CUR_MODULE->name)+strlen(fname)+1);
84: sprintf(fullname,"%s.%s",CUR_MODULE->name,fname);
85: CUR_FUNC = fullname;
86: } else
87: CUR_FUNC = fname;
88: }
89:
90: void pushpvs(FUNC f)
91: {
92: VS pvs;
93: NODE node;
94: int level;
95: extern int evalstatline;
96:
97: pvs = f->f.usrf->pvs;
98: if ( PVSS ) {
99: ((VS)BDY(PVSS))->at = evalstatline;
100: level = ((VS)BDY(PVSS))->level+1;
101: } else
102: level = 1;
103: MKNODE(node,pvs,PVSS);
104: PVSS = node;
105: CPVS = (VS)MALLOC(sizeof(struct oVS)); BDY(PVSS) = (pointer)CPVS;
106: CPVS->usrf = f;
107: CPVS->n = CPVS->asize = pvs->n;
108: CPVS->level = level;
109: if ( CPVS->n ) {
110: CPVS->va = (struct oPV *)MALLOC(CPVS->n*sizeof(struct oPV));
111: bcopy((char *)pvs->va,(char *)CPVS->va,(int)(pvs->n*sizeof(struct oPV)));
112: }
113: if ( nextbp )
114: nextbplevel++;
115: }
116:
117: void poppvs() {
118: PVSS = NEXT(PVSS);
119: if ( PVSS )
120: CPVS = (VS)BDY(PVSS);
121: else
122: CPVS = GPVS;
123: if ( nextbp )
124: nextbplevel--;
125: }
126:
127: #define IS_LOCAL 0
128: #define IS_GLOBAL 1
129: #define IS_MGLOBAL 2
130: #define IS_PATTERN 3
131:
132:
133: unsigned int makepvar(char *str)
134: {
135: int c,c1,created;
136: char *buf;
137:
138: if ( str[0] == '_' ) {
139: /* pattern variable */
140: c1 = getpvar(PPVS,str,0);
141: c = PVPATTERN((unsigned int)c1);
142: PPVS->va[c1].attr = IS_PATTERN;
143: } else if ( gdef ) {
144: /* EPVS : global list of the current file */
145: /* add to the local variable list */
146: /* also add to the external variable list */
147: c = getpvar(CPVS,str,0);
148: getpvar(EPVS,str,0);
149: if ( CUR_MODULE ) {
150: c1 = getpvar(CUR_MODULE->pvs,str,1);
151: if ( c1 >= 0 ) goto CONFLICTION;
152: }
153: if ( CPVS != GPVS ) {
154: /* inside function : we add the name to the global list */
155: getpvar(GPVS,str,0);
156: CPVS->va[c].attr = IS_GLOBAL;
157: }
158: } else if ( mgdef ) {
159: c = getpvar(CPVS,str,0);
160: getpvar(CUR_MODULE->pvs,str,0);
161: c1 = getpvar(EPVS,str,1);
162: if ( c1 >= 0 ) goto CONFLICTION;
163: if ( CPVS != GPVS ) {
164: /* inside function */
165: CPVS->va[c].attr = IS_MGLOBAL;
166: }
167: } else if ( ldef > 0 ) {
168: /* if ldef > 0, then local variables are being declared */
169: c = getpvar(CPVS,str,0);
170: c1 = getpvar(EPVS,str,1);
171: if ( c1 >= 0 ) {
172: if ( CUR_MODULE )
173: goto CONFLICTION;
174: else {
175: fprintf(stderr,"Warning: \"%s\", near line %d: conflicting declarations for `%s'\n",
176: asir_infile->name,asir_infile->ln,str);
177: fprintf(stderr," `%s' is bound to the global variable\n",str);
178: CPVS->va[c].attr = IS_GLOBAL;
179: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
180: }
181: } else {
182: if ( CUR_MODULE ) {
183: c1 = getpvar(CUR_MODULE->pvs,str,1);
184: }
185: if ( c1 >= 0 ) goto CONFLICTION;
186: CPVS->va[c].attr = IS_LOCAL;
187: }
188: } else if ( CPVS != GPVS ) {
189: /* inside function */
190: if ( CUR_MODULE ) {
191: /* search only */
192: c = getpvar(CPVS,str,1);
193: if ( c < 0 ) {
194: c = getpvar(CPVS,str,0);
195: created = 1;
196: } else
197: created = 0;
198: } else {
199: /* may be created */
200: c = getpvar(CPVS,str,0);
201: }
202: switch ( CPVS->va[c].attr ) {
203: case IS_GLOBAL:
204: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
205: break;
206: case IS_MGLOBAL:
207: c1 = getpvar(CUR_MODULE->pvs,str,1); c = PVMGLOBAL((unsigned int)c1);
208: break;
209: case IS_LOCAL:
210: default:
211: if ( CUR_MODULE &&
212: ((c1 = getpvar(CUR_MODULE->pvs,str,1)) >= 0) ) {
213: CPVS->va[c].attr = IS_MGLOBAL;
214: c = PVMGLOBAL((unsigned int)c1);
215: } else if ( getpvar(EPVS,str,1) >= 0 ) {
216: CPVS->va[c].attr = IS_GLOBAL;
217: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
218: } else if ( CUR_MODULE && created && (ldef == 0) ) {
219: /* not declared */
220: /* if ldef == 0, at least one local variables has been
221: declared */
222: fprintf(stderr,
223: "Warning: \"%s\", near line %d: undeclared local variable `%s'\n",
224: asir_infile->name,asir_infile->ln,str);
225: }
226: break;
227: }
228: } else if ( CUR_MODULE ) {
229: /* outside function, inside module */
230: if ( (c = getpvar(CUR_MODULE->pvs,str,1)) >= 0 )
231: c = PVMGLOBAL((unsigned int)c);
232: else if ( getpvar(EPVS,str,1) >= 0 ) {
233: c = getpvar(GPVS,str,1);
234: c = PVGLOBAL((unsigned int)c);
235: } else {
236: /* not declared as static or extern */
1.3 ! noro 237: buf = ALLOCA(strlen("undeclared variable")+strlen(str)+10);
1.1 noro 238: sprintf(buf,"undeclared variable `%s'",str);
239: yyerror(buf);
240: }
241: } else {
242: /* outside function, outside module */
243: c = getpvar(GPVS,str,0);
244: }
245: return c;
246:
247: CONFLICTION:
1.3 ! noro 248: buf = ALLOCA(strlen("conflicting declarations for ")+strlen(str)+10);
1.1 noro 249: sprintf(buf,"conflicting declarations for `%s'",str);
250: yyerror(buf);
1.3 ! noro 251: return 0;
1.1 noro 252: }
253:
254: extern FUNC parse_targetf;
255:
256: int searchpvar(char *str)
257: {
258: VS pvs;
259: MODULE mod;
260: int c;
261:
262: if ( parse_targetf && parse_targetf->id != A_USR )
263: c = -1;
264: else if ( parse_targetf ) {
265: pvs = parse_targetf->f.usrf->pvs;
266: mod = parse_targetf->f.usrf->module;
267: if ( (c = getpvar(pvs,str,1)) >= 0 ) {
268: switch ( pvs->va[c].attr ) {
269: case IS_GLOBAL:
270: c = getpvar(GPVS,str,1);
271: c = PVGLOBAL((unsigned int)c);
272: break;
273: case IS_MGLOBAL:
274: c = getpvar(mod->pvs,str,1);
275: c = PVMGLOBAL((unsigned int)c);
276: break;
277: default:
278: break;
279: }
280: } else if ( mod && (c = getpvar(mod->pvs,str,1)) >= 0 )
281: c = PVMGLOBAL((unsigned int)c);
282: else if ( (c = getpvar(GPVS,str,1)) >= 0 )
283: c = PVGLOBAL((unsigned int)c);
284: else
285: c = -1;
286: }
287: return c;
288: }
289:
290: int getpvar(VS pvs,char *str,int searchonly)
291: {
292: struct oPV *va;
293: PV v;
294: int i;
295:
296: for ( va = pvs->va, i = 0; i < (int)pvs->n; i++ )
297: if ( va[i].name && !strcmp(va[i].name,str) )
298: return i;
299: if ( searchonly )
300: return -1;
301: if ( pvs->asize == pvs->n )
302: asir_reallocarray((char **)&pvs->va,(int *)&pvs->asize,(int *)&pvs->n,(int)sizeof(struct oPV));
303: v = &pvs->va[pvs->n];
304: NAME(v) = (char *)CALLOC(strlen(str)+1,sizeof(char));
305: strcpy(NAME(v),str); v->priv = 0;
306: v->attr= IS_LOCAL; v->type = -1; i = pvs->n; pvs->n++;
307: return i;
308: }
309:
310: #if defined(VISUAL) || defined(__MINGW32__)
311: #define PCLOSE _pclose
312: #else
313: #define PCLOSE pclose
314: #endif
315:
316: void closecurrentinput()
317: {
318: if ( asir_infile && !asir_infile->fp )
319: return;
320:
321: #if defined(VISUAL) || defined(__MINGW32__)
322: fclose(asir_infile->fp);
323: unlink(asir_infile->tname);
324: #else
325: if ( asir_infile->fp != stdin )
326: PCLOSE(asir_infile->fp);
327: #endif
328: asir_infile = NEXT(asir_infile);
329: }
330:
331: void resetpvs()
332: {
333: if ( asir_infile && !NEXT(asir_infile) ) {
334: PVSS = 0; CPVS = GPVS; MPVS = 0; CUR_MODULE = 0; nextbp = 0;
335: gdef = mgdef = ldef = 0;
336: if ( EPVS->va ) {
337: bzero((char *)EPVS->va,(int)(EPVS->asize*sizeof(struct oPV))); EPVS->n = 0;
338: }
339: }
340: }
341:
342: static NODE saved_PVSS;
343: static VS saved_CPVS;
344: static int saved_nextbp, saved_nextbplevel;
345:
346: void savepvs()
347: {
348: saved_PVSS = PVSS;
349: saved_CPVS = CPVS;
350: saved_nextbp = nextbp;
351: saved_nextbplevel = nextbplevel;
352: }
353:
354: void restorepvs()
355: {
356: PVSS = saved_PVSS;
357: CPVS = saved_CPVS;
358: nextbp = saved_nextbp;
359: nextbplevel = saved_nextbplevel;
360: }
361:
362: void storeans(pointer p)
363: {
364: if ( APVS->asize == APVS->n )
365: asir_reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
366: APVS->va[APVS->n++].priv = p;
367: }
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