Annotation of parser3/src/main/compile.y, revision 1.27
1.24 paf 1: /*
1.27 ! paf 2: $Id: compile.y,v 1.26 2001/02/23 12:03:51 paf Exp $
1.24 paf 3: */
4:
1.1 paf 5: %{
1.9 paf 6: #define YYSTYPE Array/*<op>*/ *
7: #define YYPARSE_PARAM pc
8: #define YYLEX_PARAM pc
9: #define YYDEBUG 1
1.1 paf 10: #define YYERROR_VERBOSE
1.9 paf 11: #define yyerror(msg) real_yyerror((parse_control *)pc, msg)
12: #define YYPRINT(file, type, value) yyprint(file, type, value)
1.1 paf 13:
14: #include <stdio.h>
15: #include <string.h>
16: #include <stdlib.h>
17:
18: #include "compile_tools.h"
1.8 paf 19: #include "pa_value.h"
1.12 paf 20: #include "pa_request.h"
1.1 paf 21:
1.9 paf 22: int real_yyerror(parse_control *pc, char *s);
23: static void yyprint(FILE *file, int type, YYSTYPE value);
1.1 paf 24: int yylex(YYSTYPE *lvalp, void *pc);
25:
26:
1.8 paf 27: // local convinient inplace typecast & var
1.9 paf 28: #define PC ((parse_control *)pc)
1.25 paf 29: #define POOL *PC->pool
30: #undef NEW
31: #define NEW new(POOL)
1.1 paf 32: %}
33:
34: %pure_parser
35:
1.13 paf 36: %token EON
1.4 paf 37: %token STRING
1.1 paf 38: %token BOGUS
39:
40: %%
41:
1.10 paf 42: all:
43: one_big_piece {
1.25 paf 44: String& name_main=*NEW String(POOL);
1.11 paf 45: name_main.APPEND_CONST(MAIN_METHOD_NAME);
1.25 paf 46: Array& param_names=*NEW Array(POOL);
47: Array& local_names=*NEW Array(POOL);
48: Method *method=NEW Method(POOL, name_main, param_names, local_names, *$1);
1.8 paf 49: *PC->methods+=method;
1.10 paf 50: }
51: | methods;
52:
53: methods: method | methods method;
54: one_big_piece: maybe_codes;
55:
56: method: '@' STRING bracketed_maybe_strings maybe_bracketed_strings maybe_comment '\n'
57: maybe_codes {
58: const String *name=LA2S($2);
59:
60: YYSTYPE params_names_code=$3;
1.25 paf 61: Array& params_names=*NEW Array(POOL);
1.10 paf 62: for(int i=0; i<params_names_code->size(); i+=2)
63: params_names+=LA2S(params_names_code, i);
64:
65: YYSTYPE locals_names_code=$4;
1.25 paf 66: Array& locals_names=*NEW Array(POOL);
1.10 paf 67: for(int i=0; i<locals_names_code->size(); i+=2)
68: locals_names+=LA2S(locals_names_code, i);
69:
1.25 paf 70: Method *method=NEW Method(POOL, *name, params_names, locals_names, *$7);
1.10 paf 71: *PC->methods+=method;
1.8 paf 72: };
1.10 paf 73:
74: maybe_bracketed_strings: empty | bracketed_maybe_strings;
75: bracketed_maybe_strings: '[' maybe_strings ']' {$$=$2};
76: maybe_strings: empty | strings;
77: strings: STRING | strings ';' STRING { $$=$1; P($$, $3) };
78:
79: maybe_comment: empty | STRING;
1.1 paf 80:
81: /* codes */
82:
1.10 paf 83: maybe_codes: empty | codes;
84:
1.1 paf 85: codes: code | codes code {
86: $$=$1;
1.9 paf 87: P($$, $2);
1.1 paf 88: };
89: code: write_str_literal | action;
90: action: get | put | with | call;
91:
92: /* get */
93:
94: get: '$' any_name {
95: $$=$2; /* stack: resulting value */
1.17 paf 96: OP($$, OP_WRITE); /* value=pop; write(value) */
1.1 paf 97: };
98:
1.13 paf 99: any_name: name_without_curly_rdive EON | name_in_curly_rdive;
1.1 paf 100:
101: name_in_curly_rdive: '{' name_without_curly_rdive '}' { $$=$2 };
1.19 paf 102: name_without_curly_rdive: name_without_curly_rdive_read | name_without_curly_rdive_root;
103: name_without_curly_rdive_read: name_without_curly_rdive_code {
1.25 paf 104: $$=N(POOL);
1.22 paf 105: Array *diving_code=$1;
106: String *first_name=LA2S(diving_code);
1.23 paf 107: if(first_name && *first_name==SELF_NAME) {
1.22 paf 108: OP($$, OP_WITH_SELF); /* stack: starting context */
109: P($$, diving_code,
110: /* skip over... */
111: diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/);
112: } else {
113: OP($$, OP_WITH_READ); /* stack: starting context */
114: P($$, diving_code);
115: }
116: /* diving code; stack: current context */
1.1 paf 117: };
1.19 paf 118: name_without_curly_rdive_root: ':' name_without_curly_rdive_code {
1.25 paf 119: $$=N(POOL);
1.19 paf 120: OP($$, OP_WITH_ROOT); /* stack: starting context */
121: P($$, $2); /* diving code; stack: current context */
122: };
123: name_without_curly_rdive_code: name_advance2 | name_path name_advance2 { $$=$1; P($$, $2) };
1.1 paf 124:
125: /* put */
126:
127: put: '$' name_expr_dive '(' constructor_value ')' {
128: /*
129: TODO: подсмотреть в $3, и если там первым элементом self,
1.23 paf 130: то выкинуть его и делать не WITH_WRITE, а WITH_SELF
1.1 paf 131: если ничего не осталось - $self(xxx)
132: обругать
133: */
1.20 paf 134: $$=$2; /* stack: context,name */
135: P($$, $4); /* stack: context,name,constructor_value */
136: OP($$, OP_CONSTRUCT); /* value=pop; name=pop; context=pop; construct(context,name,value) */
137: };
138: name_expr_dive: name_expr_dive_write | name_expr_dive_root;
139: name_expr_dive_write: name_expr_dive_code {
1.25 paf 140: $$=N(POOL);
1.23 paf 141: Array *diving_code=$1;
142: String *first_name=LA2S(diving_code);
143: if(first_name && *first_name==SELF_NAME) {
144: OP($$, OP_WITH_SELF); /* stack: starting context */
145: P($$, diving_code,
146: /* skip over... */
147: diving_code->size()>2?3/*OP_+string+get_element*/:2/*OP_+string*/);
148: } else {
149: OP($$, OP_WITH_WRITE); /* stack: starting context */
150: P($$, diving_code);
151: }
152: /* diving code; stack: current context */
1.20 paf 153: };
154: name_expr_dive_root: ':' name_expr_dive_code {
1.25 paf 155: $$=N(POOL);
1.20 paf 156: OP($$, OP_WITH_ROOT); /* stack: starting context */
1.9 paf 157: P($$, $2); /* diving code; stack: context,name */
1.1 paf 158: };
1.20 paf 159:
1.1 paf 160: constructor_value:
161: constructor_one_param_value
162: | constructor_two_params_value /* $var(=;2*2) $var(%d;2*2) $var(+;1) */
163: ;
1.27 ! paf 164:
1.1 paf 165: constructor_one_param_value:
1.26 paf 166: empty_value /* optimized $var() case */
1.17 paf 167: | STRING /* optimized $var(STRING) case */
1.1 paf 168: | complex_constructor_param_value /* $var(something complex) */
169: ;
170: complex_constructor_param_value: complex_constructor_param_body {
1.25 paf 171: $$=N(POOL);
1.3 paf 172: OP($$, OP_CREATE_EWPOOL); /* stack: empty write context */
1.9 paf 173: P($$, $1); /* some codes to that context */
174: OP($$, OP_REDUCE_EWPOOL); /* context=pop; stack: context.value() */
1.1 paf 175: };
1.27 ! paf 176: complex_constructor_param_body: codes__excluding_sole_str_literal;
! 177: codes__excluding_sole_str_literal: action | code codes { $$=$1; P($$, $2) };
! 178:
1.4 paf 179: constructor_two_params_value: STRING ';' constructor_one_param_value {
1.7 paf 180: char *operator_or_fmt=LA2S($1)->cstr();
1.25 paf 181: $$=N(POOL);
1.9 paf 182: P($$, $1); /* stack: ncontext name operator_or_fmt */
1.3 paf 183: P($$, $3); /* stack: ncontext name operator_or_fmt expr */
1.1 paf 184: switch(operator_or_fmt[0]) {
185: case '=': case '%':
1.3 paf 186: OP($$, OP_EXPRESSION_EVAL);
1.1 paf 187: break;
188: case '+': case '-': case '*': case '/':
1.3 paf 189: OP($$, OP_MODIFY_EVAL);
1.1 paf 190: break;
191: default:
1.6 paf 192: strcpy(PC->error, "invalid modification operator");
193: YYERROR;
1.1 paf 194: }
195: /* stack: ncontext name value */
196: };
197:
198: /* call */
199:
1.13 paf 200: call: '^' name_expr_dive store_params EON { /* ^field.$method{vasya} */
1.1 paf 201: /*
202: TODO: подсмотреть в $3, и если там в первом элементе первая буква ":"
203: то выкинуть её и делать не OP_WITH_READ, а WITH_ROOT
204: TODO: подсмотреть в $3, и если там первым элементом self,
205: то выкинуть его и делать не OP_WITH_READ, а WITH_SELF
206: TODO:
207: если первым в $3 идёт result
208: то
209: выкинуть его
210: если там ещё что-то осталось,
211: то
212: не OP_WITH_READ, а WITH_RESULT
213: иначе // ^result(value)
214: обругать безобразие
215: */
1.25 paf 216: $$=N(POOL);
1.3 paf 217: OP($$, OP_WITH_READ); /* stack: starting context */
1.9 paf 218: P($$, $2); /* diving code; stack: context,method_name */
219: OP($$, OP_GET_METHOD_FRAME); /* stack: context,method_frame */
220: P($$, $3); /* filling method_frame.store_params */
221: OP($$, OP_CALL); /* method_frame=pop; ncontext=pop; call(ncontext,method_frame) */
1.1 paf 222: };
223:
1.9 paf 224: store_params: store_param | store_params store_param { $$=$1; P($$, $2) };
1.1 paf 225: store_param: store_round_param | store_curly_param;
226: store_round_param: '(' store_param_parts ')' {$$=$2};
1.9 paf 227: store_param_parts: store_param_part | store_param_parts ';' store_param_part { $$=$1; P($$, $3) };
1.1 paf 228: store_param_part: constructor_one_param_value {
229: $$=$1;
1.9 paf 230: OP($$, OP_STORE_PARAM);
1.1 paf 231: }
1.10 paf 232: store_curly_param: '{' maybe_codes '}' {
1.25 paf 233: $$=N(POOL);
1.3 paf 234: OP($$, OP_CODE_ARRAY);
1.9 paf 235: AA($$, $2);
236: OP($$, OP_CREATE_JUNCTION);
237: OP($$, OP_STORE_PARAM);
1.1 paf 238: };
239:
240: /* name */
241:
1.20 paf 242: name_expr_dive_code: name_expr_value | name_path name_expr_value { $$=$1; P($$, $2) };
1.1 paf 243:
1.9 paf 244: name_path: name_step | name_path name_step { $$=$1; P($$, $2) };
1.1 paf 245: name_step: name_advance1 '.';
246: name_advance1: name_expr_value {
247: /* stack: context */
248: $$=$1; /* stack: context,name */
1.9 paf 249: OP($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */
1.1 paf 250: };
251: name_advance2: name_expr_value {
252: /* stack: context */
253: $$=$1; /* stack: context,name */
1.9 paf 254: OP($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */
1.1 paf 255: }
1.4 paf 256: | STRING BOGUS
1.1 paf 257: ;
258: name_expr_value:
1.4 paf 259: STRING /* subname_is_const */
1.1 paf 260: | name_expr_subvar_value /* $subname_is_var_value */
261: | name_expr_with_subvar_value /* xxx$part_of_subname_is_var_value[$...] */
262: ;
263: name_expr_subvar_value: '$' subvar_ref_name_rdive {
264: $$=$2;
1.9 paf 265: OP($$, OP_GET_ELEMENT);
1.1 paf 266: };
1.4 paf 267: name_expr_with_subvar_value: STRING subvar_get_writes {
1.25 paf 268: $$=N(POOL);
1.3 paf 269: OP($$, OP_CREATE_EWPOOL);
1.9 paf 270: P($$, $1);
1.17 paf 271: OP($$, OP_WRITE);
1.9 paf 272: P($$, $2);
273: OP($$, OP_REDUCE_EWPOOL);
1.1 paf 274: };
1.18 paf 275: subvar_ref_name_rdive: subvar_ref_name_rdive_read | subvar_ref_name_rdive_root;
276: subvar_ref_name_rdive_read: STRING {
1.25 paf 277: $$=N(POOL);
1.18 paf 278: OP($$, OP_WITH_READ);
1.9 paf 279: P($$, $1);
1.1 paf 280: };
1.18 paf 281: subvar_ref_name_rdive_root: ':' STRING {
1.25 paf 282: $$=N(POOL);
1.18 paf 283: OP($$, OP_WITH_ROOT);
284: P($$, $2);
285: };
1.9 paf 286: subvar_get_writes: subvar__get_write | subvar_get_writes subvar__get_write { $$=$1; P($$, $2) };
1.1 paf 287: subvar__get_write: '$' subvar_ref_name_rdive {
288: $$=$2;
1.17 paf 289: OP($$, OP_GET_ELEMENT__WRITE);
1.1 paf 290: };
291:
292:
293: /* with */
294:
295: with: '$' name_without_curly_rdive '{' codes '}' {
296: $$=$2;
1.9 paf 297: OP($$, OP_CREATE_RWPOOL);
298: P($$, $4);
299: OP($$, OP_REDUCE_RWPOOL);
1.17 paf 300: OP($$, OP_WRITE);
1.1 paf 301: };
302:
1.27 ! paf 303: /* basics */
1.1 paf 304:
1.4 paf 305: write_str_literal: STRING {
1.1 paf 306: $$=$1;
1.17 paf 307: OP($$, OP_WRITE);
1.1 paf 308: };
1.26 paf 309: empty_value: empty {
1.27 ! paf 310: $$=$1;
! 311: PVS($$, NEW VString(POOL));
1.26 paf 312: };
1.25 paf 313: empty: /* empty */ { $$=N(POOL) };
1.1 paf 314:
315: %%
316:
317: /*
318: 000$111(2222)00
319: 000$111{3333}00
1.9 paf 320: $,^: push,=0
1.1 paf 321: 1:( { break=pop
322: 2:( ) pop
323: 3:{ } pop
324:
325: 000^111(2222)4444{33333}4000
1.9 paf 326: $,^: push,=0
1.1 paf 327: 1:( { break=pop
328: 2:( )=4
329: 3:{ }=4
330: 4:[^({]=pop
331: */
332:
333: int yylex(YYSTYPE *lvalp, void *pc) {
334: #define lexical_brackets_nestage PC->brackets_nestages[PC->sp]
335:
336: register int c;
337: int result;
338:
339: if(PC->pending_state) {
340: result=PC->pending_state;
341: PC->pending_state=0;
342: return result;
343: }
344:
1.9 paf 345: char *begin=PC->source;
346: char *end;
347: int begin_line=PC->line;
1.1 paf 348: while(1) {
1.9 paf 349: c=*(end=(PC->source++));
1.1 paf 350:
1.4 paf 351: if(c=='\n') {
1.1 paf 352: PC->line++;
1.8 paf 353: PC->col=0;
1.10 paf 354: } else
1.4 paf 355: PC->col++;
1.1 paf 356:
357: /* escaping: ^^ ^$ ^; ^) ^} ^( ^{ */
358: if(c=='^') {
359: char pending_c=*PC->source;
360:
1.9 paf 361: if(pending_c=='^' || pending_c=='$' || pending_c==';' ||
362: pending_c=='(' || pending_c==')' ||
363: pending_c=='{' || pending_c=='}') {
1.1 paf 364: /* append piece till ^ */
1.9 paf 365: PC->string->APPEND(begin, end-begin, PC->file, begin_line);
1.1 paf 366: /* reset piece 'start' position & line */
1.9 paf 367: begin=PC->source/*^*/;
368: begin_line=PC->line;
1.1 paf 369: /* skip over ^ and _ */
370: PC->source+=2;
371: /* skip analysis = forced literal */
372: continue;
373: }
374: }
375: switch(PC->ls) {
1.10 paf 376:
377: // USER'S = NOT OURS
1.1 paf 378: case LS_USER:
379: if(c=='$') {
1.10 paf 380: push_LS(PC, LS_VAR_NAME_SIMPLE);
1.1 paf 381: result=c;
382: goto break2;
383: }
384: if(c=='^') {
1.10 paf 385: push_LS(PC, LS_METHOD_NAME);
386: result=c;
387: goto break2;
388: }
389: if(c=='@' && PC->col==0+1) {
1.1 paf 390: result=c;
1.10 paf 391: push_LS(PC, LS_DEF_NAME);
392: goto break2;
393: }
394:
395: break;
396:
397: // METHOD DEFINITION
398: case LS_DEF_NAME:
399: if(c=='[') {
400: result=c;
401: PC->ls=LS_DEF_PARAMS;
402: goto break2;
403: }
404: if(c=='\n') { // wrong. bailing out
405: result=c;
406: pop_LS(PC);
407: goto break2;
408: }
409: break;
410: case LS_DEF_PARAMS:
411: if(c==';') {
412: result=c;
413: goto break2;
414: }
415: if(c==']') {
416: result=c;
417: PC->ls=*PC->source=='['?LS_DEF_LOCALS:LS_DEF_COMMENT;
418: goto break2;
419: }
420: if(c=='\n') { // wrong. bailing out
421: result=c;
422: pop_LS(PC);
423: goto break2;
424: }
425: break;
426: case LS_DEF_LOCALS:
427: if(c=='[' || c==';') {
428: result=c;
429: goto break2;
430: }
431: if(c==']') {
432: result=c;
433: PC->ls=LS_DEF_COMMENT;
434: goto break2;
435: }
436: if(c=='\n') { // wrong. bailing out
437: result=c;
438: pop_LS(PC);
439: goto break2;
440: }
441: break;
442: case LS_DEF_COMMENT:
443: if(c=='\n') {
444: result=c;
445: pop_LS(PC);
1.1 paf 446: goto break2;
447: }
448: break;
449:
1.10 paf 450: // VARIABLE GET/PUT/WITH
1.1 paf 451: case LS_VAR_NAME_SIMPLE:
452: if(c==0 ||
453: c==' '|| c=='\t' || c=='\n' ||
454: c==')' || c=='}') {
455: pop_LS(PC);
1.4 paf 456: PC->source--; PC->col--;
1.13 paf 457: result=EON;
1.1 paf 458: goto break2;
459: }
1.13 paf 460: if(begin==end && c=='{') { /* ${name}, no need of EON, switching LS */
1.1 paf 461: PC->ls=LS_VAR_NAME_CURLY;
462: result=c;
463: goto break2;
464: }
1.18 paf 465: if(c==':') {
466: result=c;
467: goto break2;
468: }
1.1 paf 469: if(c=='(') {
470: PC->ls=LS_VAR_ROUND;
471: lexical_brackets_nestage=1;
472: result=c;
473: goto break2;
474: }
475: if(c=='{') {
476: PC->ls=LS_VAR_CURLY;
477: lexical_brackets_nestage=1;
478: result=c;
479: goto break2;
480: }
481: if(c=='.'/* name part delim */ || c=='$'/* name part subvar */) {
482: result=c;
483: goto break2;
484: }
485: break;
486: case LS_VAR_NAME_CURLY:
1.18 paf 487: if(c==':') {
488: result=c;
489: goto break2;
490: }
1.1 paf 491: if(c=='}') { /* ${name} finished, restoring LS */
492: pop_LS(PC);
493: result=c;
494: goto break2;
495: }
496: if(c=='.'/* name part delim */ || c=='$'/*name part subvar*/) {
497: result=c;
498: goto break2;
499: }
500: break;
501: case LS_VAR_ROUND:
502: if(c=='$') {
1.10 paf 503: push_LS(PC, LS_VAR_NAME_SIMPLE);
1.1 paf 504: result=c;
505: goto break2;
506: }
507: if(c=='^') {
1.10 paf 508: push_LS(PC, LS_METHOD_NAME);
1.1 paf 509: result=c;
510: goto break2;
511: }
512: if(c==')') {
513: if(--lexical_brackets_nestage==0) {
514: pop_LS(PC);
515: result=c;
516: goto break2;
517: }
518: }
519: if(c==';'/* operator_or_fmt;value delim */) {
520: result=c;
521: goto break2;
522: }
523: if(c=='(')
524: lexical_brackets_nestage++;
525: break;
526: case LS_VAR_CURLY:
527: if(c=='$') {
1.10 paf 528: push_LS(PC, LS_VAR_NAME_SIMPLE);
1.1 paf 529: result=c;
530: goto break2;
531: }
532: if(c=='^') {
1.10 paf 533: push_LS(PC, LS_METHOD_NAME);
1.1 paf 534: result=c;
535: goto break2;
536: }
537: if(c=='}')
538: if(--lexical_brackets_nestage==0) {
539: pop_LS(PC);
540: result=c;
541: goto break2;
542: }
543: if(c=='{')
544: lexical_brackets_nestage++;
545: break;
546:
1.10 paf 547: // METHOD CALL
1.1 paf 548: case LS_METHOD_NAME:
549: if(c=='(') {
550: PC->ls=LS_METHOD_ROUND;
551: lexical_brackets_nestage=1;
552: result=c;
553: goto break2;
554: }
555: if(c=='{') {
556: PC->ls=LS_METHOD_CURLY;
557: lexical_brackets_nestage=1;
558: result=c;
559: goto break2;
560: }
561: if(c=='.'/* name part delim */ || c=='$'/* name part subvar */) {
562: result=c;
563: goto break2;
564: }
565: break;
566: case LS_METHOD_ROUND:
567: if(c=='$') {
1.10 paf 568: push_LS(PC, LS_VAR_NAME_SIMPLE);
1.1 paf 569: result=c;
570: goto break2;
571: }
572: if(c=='^') {
1.10 paf 573: push_LS(PC, LS_METHOD_NAME);
1.1 paf 574: result=c;
575: goto break2;
576: }
577: if(c==';'/* param delim */) {
578: result=c;
579: goto break2;
580: }
581: if(c==')')
582: if(--lexical_brackets_nestage==0) {
583: PC->ls=LS_METHOD_AFTER;
584: result=c;
585: goto break2;
586: }
587: if(c=='(')
588: lexical_brackets_nestage++;
589: break;
590: case LS_METHOD_CURLY:
591: if(c=='$') {
1.10 paf 592: push_LS(PC, LS_VAR_NAME_SIMPLE);
1.1 paf 593: result=c;
594: goto break2;
595: }
596: if(c=='^') {
1.10 paf 597: push_LS(PC, LS_METHOD_NAME);
1.1 paf 598: result=c;
599: goto break2;
600: }
601: if(c=='}')
602: if(--lexical_brackets_nestage==0) {
603: PC->ls=LS_METHOD_AFTER;
604: result=c;
605: goto break2;
606: }
607: if(c=='{')
608: lexical_brackets_nestage++;
609: break;
610: case LS_METHOD_AFTER:
611: if(c=='(') {/* )( }( */
612: PC->ls=LS_METHOD_ROUND;
613: lexical_brackets_nestage=1;
614: result=c;
615: goto break2;
616: }
617: if(c=='{') {/* ){ }{ */
618: PC->ls=LS_METHOD_CURLY;
619: lexical_brackets_nestage=1;
620: result=c;
621: goto break2;
622: }
623: pop_LS(PC);
1.4 paf 624: PC->source--; PC->col--;
1.13 paf 625: result=EON;
1.1 paf 626: goto break2;
627: }
1.9 paf 628: if(c==0) {
1.1 paf 629: result=-1;
1.21 paf 630: // PC->source--; PC->col--;
1.1 paf 631: break;
632: }
633: }
634:
635: break2:
1.9 paf 636: if(begin==end)
1.1 paf 637: return result;
638: else {
639: PC->pending_state=result;
1.10 paf 640: // strip last \n before LS_DEF_NAME or EOF
641: if((c=='@' || c==0) && end[-1]=='\n')
642: end--;
643: // append last piece
1.9 paf 644: PC->string->APPEND(begin, end-begin, PC->file, begin_line/*, start_col*/);
1.17 paf 645: // create STRING value: array of OP_VALUE+vstring
1.25 paf 646: *lvalp=L(NEW VString(PC->string));
1.10 paf 647: // new pieces storage
1.25 paf 648: PC->string=NEW String(POOL);
1.10 paf 649: // go!
1.4 paf 650: return STRING;
1.1 paf 651: }
652: }
653:
1.9 paf 654: int real_yyerror(parse_control *pc, char *s) /* Called by yyparse on error */
1.1 paf 655: {
1.16 paf 656: //fprintf(stderr, "[%s]\n", s);
1.6 paf 657:
658: s[MAX_STRING-1]=0; strcpy(pc->error, s);
1.1 paf 659: return 1;
660: }
661:
662: static void
1.9 paf 663: yyprint(
1.1 paf 664: FILE *file,
665: int type,
666: YYSTYPE value)
667: {
1.9 paf 668: if(type==STRING)
669: fprintf(file, " \"%s\"", LA2S(value)->cstr());
1.1 paf 670: }
671:
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