Annotation of OpenXM_contrib2/asir2000/parse/pvar.c, Revision 1.15
1.2 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
1.3 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2 noro 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: *
1.15 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2000/parse/pvar.c,v 1.14 2003/11/12 07:01:38 noro Exp $
1.2 noro 49: */
1.1 noro 50: #include "ca.h"
51: #include "parse.h"
52:
53: NODE PVSS;
1.10 noro 54: extern char *CUR_FUNC;
1.12 noro 55: int gdef,mgdef,ldef;
56:
1.1 noro 57:
1.10 noro 58: void mkpvs(char *fname)
1.6 noro 59: {
1.1 noro 60: VS pvs;
1.11 noro 61: char *fullname;
1.12 noro 62: FUNC f;
1.1 noro 63:
1.12 noro 64: if ( CUR_MODULE ) {
65: /* function must be declared in advance */
66: searchf(CUR_MODULE->usrf_list,fname,&f);
67: if ( !f ) {
68: fprintf(stderr,"\"%s\", near line %d: undeclared function `%s'",
69: asir_infile->name,asir_infile->ln,fname);
70: error("");
71: }
72: }
1.1 noro 73: pvs = (VS)MALLOC(sizeof(struct oVS));
74: pvs->va = (struct oPV *)MALLOC(DEFSIZE*sizeof(struct oPV));
75: pvs->n = 0;
76: pvs->asize=DEFSIZE;
77: CPVS = pvs;
1.10 noro 78:
79: /* XXX */
1.11 noro 80: if ( CUR_MODULE ) {
81: fullname =
82: (char *)MALLOC_ATOMIC(strlen(CUR_MODULE->name)+strlen(fname)+1);
83: sprintf(fullname,"%s.%s",CUR_MODULE->name,fname);
84: CUR_FUNC = fullname;
85: } else
86: CUR_FUNC = fname;
1.1 noro 87: }
88:
1.6 noro 89: void pushpvs(FUNC f)
1.1 noro 90: {
91: VS pvs;
92: NODE node;
93: int level;
94: extern int evalstatline;
95:
96: pvs = f->f.usrf->pvs;
97: if ( PVSS ) {
98: ((VS)BDY(PVSS))->at = evalstatline;
99: level = ((VS)BDY(PVSS))->level+1;
100: } else
101: level = 1;
102: MKNODE(node,pvs,PVSS);
103: PVSS = node;
104: CPVS = (VS)MALLOC(sizeof(struct oVS)); BDY(PVSS) = (pointer)CPVS;
105: CPVS->usrf = f;
106: CPVS->n = CPVS->asize = pvs->n;
107: CPVS->level = level;
108: if ( CPVS->n ) {
109: CPVS->va = (struct oPV *)MALLOC(CPVS->n*sizeof(struct oPV));
110: bcopy((char *)pvs->va,(char *)CPVS->va,(int)(pvs->n*sizeof(struct oPV)));
111: }
112: if ( nextbp )
113: nextbplevel++;
114: }
115:
116: void poppvs() {
117: PVSS = NEXT(PVSS);
118: if ( PVSS )
119: CPVS = (VS)BDY(PVSS);
120: else
121: CPVS = GPVS;
122: if ( nextbp )
123: nextbplevel--;
124: }
125:
1.7 noro 126: #define IS_LOCAL 0
127: #define IS_GLOBAL 1
128: #define IS_MGLOBAL 2
1.15 ! noro 129: #define IS_PATTERN 3
1.7 noro 130:
1.10 noro 131:
1.7 noro 132: unsigned int makepvar(char *str)
1.1 noro 133: {
1.12 noro 134: int c,c1,created;
1.1 noro 135:
1.15 ! noro 136: if ( str[0] == '_' ) {
! 137: /* pattern variable */
! 138: c1 = getpvar(PPVS,str,0);
! 139: c = PVPATTERN((unsigned int)c1);
! 140: PPVS->va[c1].attr = IS_PATTERN;
! 141: } else if ( gdef ) {
! 142: /* EPVS : global list of the current file */
! 143: /* add to the local variable list */
! 144: /* also add to the external variable list */
1.9 noro 145: c = getpvar(CPVS,str,0);
1.1 noro 146: getpvar(EPVS,str,0);
1.10 noro 147: if ( CUR_MODULE ) {
148: c1 = getpvar(CUR_MODULE->pvs,str,1);
1.13 noro 149: if ( c1 >= 0 ) goto CONFLICTION;
1.10 noro 150: }
1.1 noro 151: if ( CPVS != GPVS ) {
1.7 noro 152: /* inside function : we add the name to the global list */
1.1 noro 153: getpvar(GPVS,str,0);
1.7 noro 154: CPVS->va[c].attr = IS_GLOBAL;
155: }
156: } else if ( mgdef ) {
1.9 noro 157: c = getpvar(CPVS,str,0);
1.7 noro 158: getpvar(CUR_MODULE->pvs,str,0);
1.10 noro 159: c1 = getpvar(EPVS,str,1);
1.13 noro 160: if ( c1 >= 0 ) goto CONFLICTION;
1.7 noro 161: if ( CPVS != GPVS ) {
162: /* inside function */
163: CPVS->va[c].attr = IS_MGLOBAL;
164: }
1.12 noro 165: } else if ( ldef > 0 ) {
166: /* if ldef > 0, then local variables are being declared */
167: c = getpvar(CPVS,str,0);
1.13 noro 168: c1 = getpvar(EPVS,str,1);
1.14 noro 169: if ( c1 >= 0 ) {
170: if ( CUR_MODULE )
171: goto CONFLICTION;
172: else {
173: fprintf(stderr,"Warning: \"%s\", near line %d: conflicting declarations for `%s'\n",
174: asir_infile->name,asir_infile->ln,str);
175: fprintf(stderr," `%s' is bound to the global variable\n",str);
176: CPVS->va[c].attr = IS_GLOBAL;
177: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
178: }
179: } else {
180: if ( CUR_MODULE ) {
181: c1 = getpvar(CUR_MODULE->pvs,str,1);
182: }
183: if ( c1 >= 0 ) goto CONFLICTION;
184: CPVS->va[c].attr = IS_LOCAL;
1.13 noro 185: }
1.7 noro 186: } else if ( CPVS != GPVS ) {
187: /* inside function */
1.12 noro 188: if ( CUR_MODULE ) {
189: /* search only */
190: c = getpvar(CPVS,str,1);
191: if ( c < 0 ) {
192: c = getpvar(CPVS,str,0);
193: created = 1;
194: } else
195: created = 0;
196: } else {
197: /* may be created */
198: c = getpvar(CPVS,str,0);
199: }
1.7 noro 200: switch ( CPVS->va[c].attr ) {
201: case IS_GLOBAL:
202: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
203: break;
204: case IS_MGLOBAL:
205: c1 = getpvar(CUR_MODULE->pvs,str,1); c = PVMGLOBAL((unsigned int)c1);
206: break;
207: case IS_LOCAL:
208: default:
209: if ( CUR_MODULE &&
210: ((c1 = getpvar(CUR_MODULE->pvs,str,1)) >= 0) ) {
211: CPVS->va[c].attr = IS_MGLOBAL;
212: c = PVMGLOBAL((unsigned int)c1);
213: } else if ( getpvar(EPVS,str,1) >= 0 ) {
214: CPVS->va[c].attr = IS_GLOBAL;
215: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
1.12 noro 216: } else if ( CUR_MODULE && created && (ldef == 0) ) {
217: /* not declared */
218: /* if ldef == 0, at least one local variables has been
219: declared */
220: fprintf(stderr,
221: "Warning: \"%s\", near line %d: undeclared local variable `%s'\n",
222: asir_infile->name,asir_infile->ln,str);
1.7 noro 223: }
224: break;
1.1 noro 225: }
1.9 noro 226: } else if ( CUR_MODULE ) {
227: /* outside function, inside module */
228: if ( (c = getpvar(CUR_MODULE->pvs,str,1)) >= 0 )
229: c = PVMGLOBAL((unsigned int)c);
230: else if ( getpvar(EPVS,str,1) >= 0 ) {
231: c = getpvar(GPVS,str,1);
232: c = PVGLOBAL((unsigned int)c);
233: } else {
234: /* not declared as static or extern */
1.10 noro 235: fprintf(stderr,"\"%s\", near line %d: undeclared variable `%s'",
236: asir_infile->name,asir_infile->ln,str);
237: error("");
1.9 noro 238: }
239: } else {
240: /* outside function, outside module */
241: c = getpvar(GPVS,str,0);
1.1 noro 242: }
243: return c;
1.13 noro 244:
245: CONFLICTION:
246: fprintf(stderr,"\"%s\", near line %d: conflicting declarations for `%s'",
247: asir_infile->name,asir_infile->ln,str);
248: error("");
1.1 noro 249: }
250:
251: extern FUNC parse_targetf;
252:
1.6 noro 253: int searchpvar(char *str)
1.1 noro 254: {
255: VS pvs;
1.7 noro 256: MODULE mod;
257: int c;
1.1 noro 258:
259: if ( parse_targetf && parse_targetf->id != A_USR )
1.7 noro 260: c = -1;
261: else if ( parse_targetf ) {
262: pvs = parse_targetf->f.usrf->pvs;
263: mod = parse_targetf->f.usrf->module;
264: if ( (c = getpvar(pvs,str,1)) >= 0 ) {
265: switch ( pvs->va[c].attr ) {
266: case IS_GLOBAL:
267: c = getpvar(GPVS,str,1);
268: c = PVGLOBAL((unsigned int)c);
269: break;
270: case IS_MGLOBAL:
271: c = getpvar(mod->pvs,str,1);
272: c = PVMGLOBAL((unsigned int)c);
273: break;
274: default:
275: break;
276: }
277: } else if ( mod && (c = getpvar(mod->pvs,str,1)) >= 0 )
278: c = PVMGLOBAL((unsigned int)c);
279: else if ( (c = getpvar(GPVS,str,1)) >= 0 )
280: c = PVGLOBAL((unsigned int)c);
281: else
282: c = -1;
283: }
284: return c;
1.1 noro 285: }
286:
1.6 noro 287: int getpvar(VS pvs,char *str,int searchonly)
1.1 noro 288: {
289: struct oPV *va;
290: PV v;
291: int i;
292:
293: for ( va = pvs->va, i = 0; i < (int)pvs->n; i++ )
294: if ( va[i].name && !strcmp(va[i].name,str) )
295: return i;
296: if ( searchonly )
297: return -1;
298: if ( pvs->asize == pvs->n )
299: reallocarray((char **)&pvs->va,(int *)&pvs->asize,(int *)&pvs->n,(int)sizeof(struct oPV));
300: v = &pvs->va[pvs->n];
301: NAME(v) = (char *)CALLOC(strlen(str)+1,sizeof(char));
302: strcpy(NAME(v),str); v->priv = 0;
1.7 noro 303: v->attr= IS_LOCAL; v->type = -1; i = pvs->n; pvs->n++;
1.1 noro 304: return i;
305: }
306:
307: #if defined(VISUAL)
308: #define PCLOSE _pclose
309: #else
310: #define PCLOSE pclose
311: #endif
312:
313: void closecurrentinput()
314: {
315: if ( asir_infile && !asir_infile->fp )
316: return;
317:
1.5 noro 318: #if defined(VISUAL)
1.1 noro 319: fclose(asir_infile->fp);
320: unlink(asir_infile->tname);
321: #else
322: PCLOSE(asir_infile->fp);
323: #endif
324: asir_infile = NEXT(asir_infile);
325: resetpvs();
326: }
327:
328: void resetpvs()
329: {
330: if ( !NEXT(asir_infile) ) {
1.8 noro 331: PVSS = 0; CPVS = GPVS; MPVS = 0; CUR_MODULE = 0; nextbp = 0;
1.12 noro 332: gdef = mgdef = ldef = 0;
1.1 noro 333: if ( EPVS->va ) {
334: bzero((char *)EPVS->va,(int)(EPVS->asize*sizeof(struct oPV))); EPVS->n = 0;
335: }
336: }
337: }
338:
339: static NODE saved_PVSS;
340: static VS saved_CPVS;
341: static int saved_nextbp, saved_nextbplevel;
342:
343: void savepvs()
344: {
345: saved_PVSS = PVSS;
346: saved_CPVS = CPVS;
347: saved_nextbp = nextbp;
348: saved_nextbplevel = nextbplevel;
349: }
350:
351: void restorepvs()
352: {
353: PVSS = saved_PVSS;
354: CPVS = saved_CPVS;
355: nextbp = saved_nextbp;
356: nextbplevel = saved_nextbplevel;
357: }
358:
1.6 noro 359: void storeans(pointer p)
1.1 noro 360: {
361: if ( APVS->asize == APVS->n )
362: reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
363: APVS->va[APVS->n++].priv = p;
364: }
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