Annotation of OpenXM_contrib2/asir2018/parse/pvar.c, Revision 1.1
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: *
! 48: * $OpenXM$
! 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 ) {
! 68: buf = ALLOCA(strlen("undeclared function "+strlen(fname)+10));
! 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 */
! 237: buf = ALLOCA(strlen("undeclared variable"+strlen(str)+10));
! 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:
! 248: buf = ALLOCA(strlen("conflicting declarations for "+strlen(str)+10));
! 249: sprintf(buf,"conflicting declarations for `%s'",str);
! 250: yyerror(buf);
! 251: }
! 252:
! 253: extern FUNC parse_targetf;
! 254:
! 255: int searchpvar(char *str)
! 256: {
! 257: VS pvs;
! 258: MODULE mod;
! 259: int c;
! 260:
! 261: if ( parse_targetf && parse_targetf->id != A_USR )
! 262: c = -1;
! 263: else if ( parse_targetf ) {
! 264: pvs = parse_targetf->f.usrf->pvs;
! 265: mod = parse_targetf->f.usrf->module;
! 266: if ( (c = getpvar(pvs,str,1)) >= 0 ) {
! 267: switch ( pvs->va[c].attr ) {
! 268: case IS_GLOBAL:
! 269: c = getpvar(GPVS,str,1);
! 270: c = PVGLOBAL((unsigned int)c);
! 271: break;
! 272: case IS_MGLOBAL:
! 273: c = getpvar(mod->pvs,str,1);
! 274: c = PVMGLOBAL((unsigned int)c);
! 275: break;
! 276: default:
! 277: break;
! 278: }
! 279: } else if ( mod && (c = getpvar(mod->pvs,str,1)) >= 0 )
! 280: c = PVMGLOBAL((unsigned int)c);
! 281: else if ( (c = getpvar(GPVS,str,1)) >= 0 )
! 282: c = PVGLOBAL((unsigned int)c);
! 283: else
! 284: c = -1;
! 285: }
! 286: return c;
! 287: }
! 288:
! 289: int getpvar(VS pvs,char *str,int searchonly)
! 290: {
! 291: struct oPV *va;
! 292: PV v;
! 293: int i;
! 294:
! 295: for ( va = pvs->va, i = 0; i < (int)pvs->n; i++ )
! 296: if ( va[i].name && !strcmp(va[i].name,str) )
! 297: return i;
! 298: if ( searchonly )
! 299: return -1;
! 300: if ( pvs->asize == pvs->n )
! 301: asir_reallocarray((char **)&pvs->va,(int *)&pvs->asize,(int *)&pvs->n,(int)sizeof(struct oPV));
! 302: v = &pvs->va[pvs->n];
! 303: NAME(v) = (char *)CALLOC(strlen(str)+1,sizeof(char));
! 304: strcpy(NAME(v),str); v->priv = 0;
! 305: v->attr= IS_LOCAL; v->type = -1; i = pvs->n; pvs->n++;
! 306: return i;
! 307: }
! 308:
! 309: #if defined(VISUAL) || defined(__MINGW32__)
! 310: #define PCLOSE _pclose
! 311: #else
! 312: #define PCLOSE pclose
! 313: #endif
! 314:
! 315: void closecurrentinput()
! 316: {
! 317: if ( asir_infile && !asir_infile->fp )
! 318: return;
! 319:
! 320: #if defined(VISUAL) || defined(__MINGW32__)
! 321: fclose(asir_infile->fp);
! 322: unlink(asir_infile->tname);
! 323: #else
! 324: if ( asir_infile->fp != stdin )
! 325: PCLOSE(asir_infile->fp);
! 326: #endif
! 327: asir_infile = NEXT(asir_infile);
! 328: }
! 329:
! 330: void resetpvs()
! 331: {
! 332: if ( asir_infile && !NEXT(asir_infile) ) {
! 333: PVSS = 0; CPVS = GPVS; MPVS = 0; CUR_MODULE = 0; nextbp = 0;
! 334: gdef = mgdef = ldef = 0;
! 335: if ( EPVS->va ) {
! 336: bzero((char *)EPVS->va,(int)(EPVS->asize*sizeof(struct oPV))); EPVS->n = 0;
! 337: }
! 338: }
! 339: }
! 340:
! 341: static NODE saved_PVSS;
! 342: static VS saved_CPVS;
! 343: static int saved_nextbp, saved_nextbplevel;
! 344:
! 345: void savepvs()
! 346: {
! 347: saved_PVSS = PVSS;
! 348: saved_CPVS = CPVS;
! 349: saved_nextbp = nextbp;
! 350: saved_nextbplevel = nextbplevel;
! 351: }
! 352:
! 353: void restorepvs()
! 354: {
! 355: PVSS = saved_PVSS;
! 356: CPVS = saved_CPVS;
! 357: nextbp = saved_nextbp;
! 358: nextbplevel = saved_nextbplevel;
! 359: }
! 360:
! 361: void storeans(pointer p)
! 362: {
! 363: if ( APVS->asize == APVS->n )
! 364: asir_reallocarray((char **)&APVS->va,(int *)&APVS->asize,(int *)&APVS->n,(int)sizeof(struct oPV));
! 365: APVS->va[APVS->n++].priv = p;
! 366: }
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