Annotation of OpenXM_contrib2/asir2000/parse/pvar.c, Revision 1.10
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: *
1.10 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2000/parse/pvar.c,v 1.9 2003/05/14 09:18:38 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;
1.1 noro 55:
1.10 ! noro 56: void mkpvs(char *fname)
1.6 noro 57: {
1.1 noro 58: VS pvs;
59:
60: pvs = (VS)MALLOC(sizeof(struct oVS));
61: pvs->va = (struct oPV *)MALLOC(DEFSIZE*sizeof(struct oPV));
62: pvs->n = 0;
63: pvs->asize=DEFSIZE;
64: CPVS = pvs;
1.10 ! noro 65:
! 66: /* XXX */
! 67: CUR_FUNC = fname;
1.1 noro 68: }
69:
1.6 noro 70: void pushpvs(FUNC f)
1.1 noro 71: {
72: VS pvs;
73: NODE node;
74: int level;
75: extern int evalstatline;
76:
77: pvs = f->f.usrf->pvs;
78: if ( PVSS ) {
79: ((VS)BDY(PVSS))->at = evalstatline;
80: level = ((VS)BDY(PVSS))->level+1;
81: } else
82: level = 1;
83: MKNODE(node,pvs,PVSS);
84: PVSS = node;
85: CPVS = (VS)MALLOC(sizeof(struct oVS)); BDY(PVSS) = (pointer)CPVS;
86: CPVS->usrf = f;
87: CPVS->n = CPVS->asize = pvs->n;
88: CPVS->level = level;
89: if ( CPVS->n ) {
90: CPVS->va = (struct oPV *)MALLOC(CPVS->n*sizeof(struct oPV));
91: bcopy((char *)pvs->va,(char *)CPVS->va,(int)(pvs->n*sizeof(struct oPV)));
92: }
93: if ( nextbp )
94: nextbplevel++;
95: }
96:
97: void poppvs() {
98: PVSS = NEXT(PVSS);
99: if ( PVSS )
100: CPVS = (VS)BDY(PVSS);
101: else
102: CPVS = GPVS;
103: if ( nextbp )
104: nextbplevel--;
105: }
106:
1.7 noro 107: int gdef,mgdef;
1.1 noro 108:
1.7 noro 109: #define IS_LOCAL 0
110: #define IS_GLOBAL 1
111: #define IS_MGLOBAL 2
112:
1.10 ! noro 113:
1.7 noro 114: unsigned int makepvar(char *str)
1.1 noro 115: {
1.7 noro 116: int c,c1;
1.1 noro 117:
1.7 noro 118: /* EPVS : global list of the current file */
119: /* add to the local variable list */
1.1 noro 120: if ( gdef ) {
1.7 noro 121: /* add to the external variable list */
1.9 noro 122: c = getpvar(CPVS,str,0);
1.1 noro 123: getpvar(EPVS,str,0);
1.10 ! noro 124: if ( CUR_MODULE ) {
! 125: c1 = getpvar(CUR_MODULE->pvs,str,1);
! 126: if ( c1 >= 0 ) {
! 127: fprintf(stderr,"\"%s\", near line %d: conflicting declarations for `%s'",
! 128: asir_infile->name,asir_infile->ln,str);
! 129: error("");
! 130: }
! 131: }
1.1 noro 132: if ( CPVS != GPVS ) {
1.7 noro 133: /* inside function : we add the name to the global list */
1.1 noro 134: getpvar(GPVS,str,0);
1.7 noro 135: CPVS->va[c].attr = IS_GLOBAL;
136: }
137: } else if ( mgdef ) {
1.9 noro 138: c = getpvar(CPVS,str,0);
1.7 noro 139: getpvar(CUR_MODULE->pvs,str,0);
1.10 ! noro 140: c1 = getpvar(EPVS,str,1);
! 141: if ( c1 >= 0 ) {
! 142: fprintf(stderr,"\"%s\", near line %d: conflicting declarations for `%s'",
! 143: asir_infile->name,asir_infile->ln,str);
! 144: error("");
! 145: }
1.7 noro 146: if ( CPVS != GPVS ) {
147: /* inside function */
148: CPVS->va[c].attr = IS_MGLOBAL;
149: }
150: } else if ( CPVS != GPVS ) {
151: /* inside function */
1.9 noro 152: c = getpvar(CPVS,str,0);
1.7 noro 153: switch ( CPVS->va[c].attr ) {
154: case IS_GLOBAL:
155: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
156: break;
157: case IS_MGLOBAL:
158: c1 = getpvar(CUR_MODULE->pvs,str,1); c = PVMGLOBAL((unsigned int)c1);
159: break;
160: case IS_LOCAL:
161: default:
162: if ( CUR_MODULE &&
163: ((c1 = getpvar(CUR_MODULE->pvs,str,1)) >= 0) ) {
164: CPVS->va[c].attr = IS_MGLOBAL;
165: c = PVMGLOBAL((unsigned int)c1);
166: } else if ( getpvar(EPVS,str,1) >= 0 ) {
167: CPVS->va[c].attr = IS_GLOBAL;
168: c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
169: }
170: break;
1.1 noro 171: }
1.9 noro 172: } else if ( CUR_MODULE ) {
173: /* outside function, inside module */
174: if ( (c = getpvar(CUR_MODULE->pvs,str,1)) >= 0 )
175: c = PVMGLOBAL((unsigned int)c);
176: else if ( getpvar(EPVS,str,1) >= 0 ) {
177: c = getpvar(GPVS,str,1);
178: c = PVGLOBAL((unsigned int)c);
179: } else {
180: /* not declared as static or extern */
1.10 ! noro 181: fprintf(stderr,"\"%s\", near line %d: undeclared variable `%s'",
! 182: asir_infile->name,asir_infile->ln,str);
! 183: error("");
1.9 noro 184: }
185: } else {
186: /* outside function, outside module */
187: c = getpvar(GPVS,str,0);
1.1 noro 188: }
189: return c;
190: }
191:
192: extern FUNC parse_targetf;
193:
1.6 noro 194: int searchpvar(char *str)
1.1 noro 195: {
196: VS pvs;
1.7 noro 197: MODULE mod;
198: int c;
1.1 noro 199:
200: if ( parse_targetf && parse_targetf->id != A_USR )
1.7 noro 201: c = -1;
202: else if ( parse_targetf ) {
203: pvs = parse_targetf->f.usrf->pvs;
204: mod = parse_targetf->f.usrf->module;
205: if ( (c = getpvar(pvs,str,1)) >= 0 ) {
206: switch ( pvs->va[c].attr ) {
207: case IS_GLOBAL:
208: c = getpvar(GPVS,str,1);
209: c = PVGLOBAL((unsigned int)c);
210: break;
211: case IS_MGLOBAL:
212: c = getpvar(mod->pvs,str,1);
213: c = PVMGLOBAL((unsigned int)c);
214: break;
215: default:
216: break;
217: }
218: } else if ( mod && (c = getpvar(mod->pvs,str,1)) >= 0 )
219: c = PVMGLOBAL((unsigned int)c);
220: else if ( (c = getpvar(GPVS,str,1)) >= 0 )
221: c = PVGLOBAL((unsigned int)c);
222: else
223: c = -1;
224: }
225: return c;
1.1 noro 226: }
227:
1.6 noro 228: int getpvar(VS pvs,char *str,int searchonly)
1.1 noro 229: {
230: struct oPV *va;
231: PV v;
232: int i;
233:
234: for ( va = pvs->va, i = 0; i < (int)pvs->n; i++ )
235: if ( va[i].name && !strcmp(va[i].name,str) )
236: return i;
237: if ( searchonly )
238: return -1;
239: if ( pvs->asize == pvs->n )
240: reallocarray((char **)&pvs->va,(int *)&pvs->asize,(int *)&pvs->n,(int)sizeof(struct oPV));
241: v = &pvs->va[pvs->n];
242: NAME(v) = (char *)CALLOC(strlen(str)+1,sizeof(char));
243: strcpy(NAME(v),str); v->priv = 0;
1.7 noro 244: v->attr= IS_LOCAL; v->type = -1; i = pvs->n; pvs->n++;
1.1 noro 245: return i;
246: }
247:
248: #if defined(VISUAL)
249: #define PCLOSE _pclose
250: #else
251: #define PCLOSE pclose
252: #endif
253:
254: void closecurrentinput()
255: {
256: if ( asir_infile && !asir_infile->fp )
257: return;
258:
1.5 noro 259: #if defined(VISUAL)
1.1 noro 260: fclose(asir_infile->fp);
261: unlink(asir_infile->tname);
262: #else
263: PCLOSE(asir_infile->fp);
264: #endif
265: asir_infile = NEXT(asir_infile);
266: resetpvs();
267: }
268:
269: void resetpvs()
270: {
271: if ( !NEXT(asir_infile) ) {
1.8 noro 272: PVSS = 0; CPVS = GPVS; MPVS = 0; CUR_MODULE = 0; nextbp = 0;
1.1 noro 273: if ( EPVS->va ) {
274: bzero((char *)EPVS->va,(int)(EPVS->asize*sizeof(struct oPV))); EPVS->n = 0;
275: }
276: }
277: }
278:
279: static NODE saved_PVSS;
280: static VS saved_CPVS;
281: static int saved_nextbp, saved_nextbplevel;
282:
283: void savepvs()
284: {
285: saved_PVSS = PVSS;
286: saved_CPVS = CPVS;
287: saved_nextbp = nextbp;
288: saved_nextbplevel = nextbplevel;
289: }
290:
291: void restorepvs()
292: {
293: PVSS = saved_PVSS;
294: CPVS = saved_CPVS;
295: nextbp = saved_nextbp;
296: nextbplevel = saved_nextbplevel;
297: }
298:
1.6 noro 299: void storeans(pointer p)
1.1 noro 300: {
301: if ( APVS->asize == APVS->n )
302: reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
303: APVS->va[APVS->n++].priv = p;
304: }
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