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AD		 1# Exercising Bison on actual grammars. -*- Autotest -*-
2# Copyright (C) 2002 Free Software Foundation, Inc.
3
4# This program is free software; you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 2, or (at your option)
7# any later version.
8
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12# GNU General Public License for more details.
13
14# You should have received a copy of the GNU General Public License
15# along with this program; if not, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
17# 02111-1307, USA.
18
19AT_BANNER([[Existing Grammars.]])
20## ----------------- ##
21## GNU AWK Grammar. ##
22## ----------------- ##
23
24AT_SETUP([GNU AWK Grammar])
25
26# We have been careful to strip all the actions excepts the
27# mid-rule actions. We rely on %expect to check that there are
28# indeed 65 SR conflicts.
29#
30# Bison was once wrong, due to an incorrect computation of nullable.
31# It reported 485 SR conflicts!
32
33AT_DATA([[input.y]],
34[[%expect 65
35
36%token FUNC_CALL NAME REGEXP
37%token ERROR
38%token YNUMBER YSTRING
39%token RELOP APPEND_OP
40%token ASSIGNOP MATCHOP NEWLINE CONCAT_OP
41%token LEX_BEGIN LEX_END LEX_IF LEX_ELSE LEX_RETURN LEX_DELETE
42%token LEX_WHILE LEX_DO LEX_FOR LEX_BREAK LEX_CONTINUE
43%token LEX_PRINT LEX_PRINTF LEX_NEXT LEX_EXIT LEX_FUNCTION
44%token LEX_GETLINE LEX_NEXTFILE
45%token LEX_IN
46%token LEX_AND LEX_OR INCREMENT DECREMENT
47%token LEX_BUILTIN LEX_LENGTH
48
49/* Lowest to highest */
50%right ASSIGNOP
51%right '?' ':'
52%left LEX_OR
53%left LEX_AND
54%left LEX_GETLINE
55%nonassoc LEX_IN
56%left FUNC_CALL LEX_BUILTIN LEX_LENGTH
57%nonassoc ','
58%nonassoc MATCHOP
59%nonassoc RELOP '<' '>' '|' APPEND_OP TWOWAYIO
60%left CONCAT_OP
61%left YSTRING YNUMBER
62%left '+' '-'
63%left '*' '/' '%'
64%right '!' UNARY
65%right '^'
66%left INCREMENT DECREMENT
67%left '$'
68%left '(' ')'
69%%
70
71start
72 : opt_nls program opt_nls
73 ;
74
75program
76 : rule
77 | program rule
78 | error
79 | program error
80 | /* empty */
81 ;
82
83rule
84 : LEX_BEGIN {} action
85 | LEX_END {} action
86 | LEX_BEGIN statement_term
87 | LEX_END statement_term
88 | pattern action
89 | action
90 | pattern statement_term
91 | function_prologue function_body
92 ;
93
94func_name
95 : NAME
96 | FUNC_CALL
97 | lex_builtin
98 ;
99
100lex_builtin
101 : LEX_BUILTIN
102 | LEX_LENGTH
103 ;
104
105function_prologue
106 : LEX_FUNCTION {} func_name '(' opt_param_list r_paren opt_nls
107 ;
108
109function_body
110 : l_brace statements r_brace opt_semi opt_nls
111 | l_brace r_brace opt_semi opt_nls
112 ;
113
114
115pattern
116 : exp
117 | exp ',' exp
118 ;
119
120regexp
121 /*
122 * In this rule, want_regexp tells yylex that the next thing
123 * is a regexp so it should read up to the closing slash.
124 */
125 : '/' {} REGEXP '/'
126 ;
127
128action
129 : l_brace statements r_brace opt_semi opt_nls
130 | l_brace r_brace opt_semi opt_nls
131 ;
132
133statements
134 : statement
135 | statements statement
136 | error
137 | statements error
138 ;
139
140statement_term
141 : nls
142 | semi opt_nls
143 ;
144
145statement
146 : semi opt_nls
147 | l_brace r_brace
148 | l_brace statements r_brace
149 | if_statement
150 | LEX_WHILE '(' exp r_paren opt_nls statement
151 | LEX_DO opt_nls statement LEX_WHILE '(' exp r_paren opt_nls
152 | LEX_FOR '(' NAME LEX_IN NAME r_paren opt_nls statement
153 | LEX_FOR '(' opt_exp semi opt_nls exp semi opt_nls opt_exp r_paren opt_nls statement
154 | LEX_FOR '(' opt_exp semi opt_nls semi opt_nls opt_exp r_paren opt_nls statement
155 | LEX_BREAK statement_term
156 | LEX_CONTINUE statement_term
157 | print '(' expression_list r_paren output_redir statement_term
158 | print opt_rexpression_list output_redir statement_term
159 | LEX_NEXT statement_term
160 | LEX_NEXTFILE statement_term
161 | LEX_EXIT opt_exp statement_term
162 | LEX_RETURN {} opt_exp statement_term
163 | LEX_DELETE NAME '[' expression_list ']' statement_term
164 | LEX_DELETE NAME statement_term
165 | exp statement_term
166 ;
167
168print
169 : LEX_PRINT
170 | LEX_PRINTF
171 ;
172
173if_statement
174 : LEX_IF '(' exp r_paren opt_nls statement
175 | LEX_IF '(' exp r_paren opt_nls statement
176 LEX_ELSE opt_nls statement
177 ;
178
179nls
180 : NEWLINE
181 | nls NEWLINE
182 ;
183
184opt_nls
185 : /* empty */
186 | nls
187 ;
188
189input_redir
190 : /* empty */
191 | '<' simp_exp
192 ;
193
194output_redir
195 : /* empty */
196 | '>' exp
197 | APPEND_OP exp
198 | '|' exp
199 | TWOWAYIO exp
200 ;
201
202opt_param_list
203 : /* empty */
204 | param_list
205 ;
206
207param_list
208 : NAME
209 | param_list comma NAME
210 | error
211 | param_list error
212 | param_list comma error
213 ;
214
215/* optional expression, as in for loop */
216opt_exp
217 : /* empty */
218 | exp
219 ;
220
221opt_rexpression_list
222 : /* empty */
223 | rexpression_list
224 ;
225
226rexpression_list
227 : rexp
228 | rexpression_list comma rexp
229 | error
230 | rexpression_list error
231 | rexpression_list error rexp
232 | rexpression_list comma error
233 ;
234
235opt_expression_list
236 : /* empty */
237 | expression_list
238 ;
239
240expression_list
241 : exp
242 | expression_list comma exp
243 | error
244 | expression_list error
245 | expression_list error exp
246 | expression_list comma error
247 ;
248
249/* Expressions, not including the comma operator. */
250exp : variable ASSIGNOP {} exp
251 | '(' expression_list r_paren LEX_IN NAME
252 | exp '|' LEX_GETLINE opt_variable
253 | exp TWOWAYIO LEX_GETLINE opt_variable
254 | LEX_GETLINE opt_variable input_redir
255 | exp LEX_AND exp
256 | exp LEX_OR exp
257 | exp MATCHOP exp
258 | regexp
259 | '!' regexp %prec UNARY
260 | exp LEX_IN NAME
261 | exp RELOP exp
262 | exp '<' exp
263 | exp '>' exp
264 | exp '?' exp ':' exp
265 | simp_exp
266 | exp simp_exp %prec CONCAT_OP
267 ;
268
269rexp
270 : variable ASSIGNOP {} rexp
271 | rexp LEX_AND rexp
272 | rexp LEX_OR rexp
273 | LEX_GETLINE opt_variable input_redir
274 | regexp
275 | '!' regexp %prec UNARY
276 | rexp MATCHOP rexp
277 | rexp LEX_IN NAME
278 | rexp RELOP rexp
279 | rexp '?' rexp ':' rexp
280 | simp_exp
281 | rexp simp_exp %prec CONCAT_OP
282 ;
283
284simp_exp
285 : non_post_simp_exp
286 /* Binary operators in order of decreasing precedence. */
287 | simp_exp '^' simp_exp
288 | simp_exp '*' simp_exp
289 | simp_exp '/' simp_exp
290 | simp_exp '%' simp_exp
291 | simp_exp '+' simp_exp
292 | simp_exp '-' simp_exp
293 | variable INCREMENT
294 | variable DECREMENT
295 ;
296
297non_post_simp_exp
298 : '!' simp_exp %prec UNARY
299 | '(' exp r_paren
300 | LEX_BUILTIN
301 '(' opt_expression_list r_paren
302 | LEX_LENGTH '(' opt_expression_list r_paren
303 | LEX_LENGTH
304 | FUNC_CALL '(' opt_expression_list r_paren
305 | variable
306 | INCREMENT variable
307 | DECREMENT variable
308 | YNUMBER
309 | YSTRING
310 | '-' simp_exp %prec UNARY
311 | '+' simp_exp %prec UNARY
312 ;
313
314opt_variable
315 : /* empty */
316 | variable
317 ;
318
319variable
320 : NAME
321 | NAME '[' expression_list ']'
322 | '$' non_post_simp_exp
323 ;
324
325l_brace
326 : '{' opt_nls
327 ;
328
329r_brace
330 : '}' opt_nls
331 ;
332
333r_paren
334 : ')'
335 ;
336
337opt_semi
338 : /* empty */
339 | semi
340 ;
341
342semi
343 : ';'
344 ;
345
346comma : ',' opt_nls
347 ;
348
349%%
350]])
351
352# Pass plenty of options, to exercise plenty of code, even if we
353# don't actually check the output. But SEGV is watching us, and
354# so might do dmalloc.
355AT_CHECK([[bison --verbose --defines input.y]])
356
357AT_CLEANUP
358
359
360## ----------------- ##
361## GNU Cim Grammar. ##
362## ----------------- ##
363
364AT_SETUP([GNU Cim Grammar])
365
366# GNU Cim, the GNU Simula 87 Compiler.
367
368# Bison was once wrong, due to an incorrect computation of the RR conflicts.
369# It reported 80 SR && 99 RR conflicts instead of 78/10!!!
370
371AT_DATA([[input.y]],
372[[%union {
373 long token;
374 long ival;
375 long arrdim;
376 double rval;
377 char *ident;
378 char *tval;
379 char stat_decl;
380 }
381
382%token
383 HACTIVATE HAFTER /*HAND*/ HARRAY HAT
384 HBEFORE HBEGIN HBOOLEAN
385 HCHARACTER HCLASS /*HCOMMENT*/ HCONC
386 HDELAY HDO
387 HELSE HEND HEQ /*HEQV*/ HEXTERNAL
388 HFOR
389 HGE HGO HGOTO HGT
390 HHIDDEN
391 HIF /*HIMP*/ HIN HINNER HINSPECT HINTEGER HIS
392 HLABEL HLE HLONG HLT
393 HNAME HNE HNEW HNONE /*HNOT*/ HNOTEXT
394 /*HOR*/ HOTHERWISE
395 HPRIOR HPROCEDURE HPROTECTED
396 HQUA
397 HREACTIVATE HREAL HREF
398 HSHORT HSTEP HSWITCH
399 HTEXT HTHEN HTHIS HTO
400 HUNTIL
401 HVALUE HVAR HVIRTUAL
402 HWHEN HWHILE
403
404 HASSIGNVALUE HASSIGNREF
405 /*HDOT*/ HPAREXPSEPARATOR HLABELSEPARATOR HSTATEMENTSEPARATOR
406 HBEGPAR HENDPAR
407 HEQR HNER
408 HADD HSUB HMUL HDIV HINTDIV HEXP
409 HDOTDOTDOT
410
411%token <ident> HIDENTIFIER
412%token <ival> HBOOLEANKONST HINTEGERKONST HCHARACTERKONST
413%token <rval> HREALKONST
414%token <tval> HTEXTKONST
415
416%type <tval> EXT_IDENT
417%type <stat_decl> DECLSTATEMENT MODULSTATEMENT MBEE_DECLSTMS MBEE_DECLSTMSU
418%type <stat_decl> MODULS
419%type <ident> EXPRESSION_SIMP MBEE_ARG_R_PT
420%type <arrdim> BAUND_PAIR_LIST
421
422%right <token> HASSIGN
423%left HORELSE
424%left HANDTHEN
425%left HEQV
426%left HIMP
427%left HOR
428%left HAND
429
430%left HNOT
431
432%left <token> HVALRELOPERATOR HREFRELOPERATOR HOBJRELOPERATOR
433
434%left HCONC
435
436%left <token> HTERMOPERATOR
437%left <token> UNEAR
438%left <token> HFACTOROPERATOR
439%left HPRIMARYOPERATOR
440
441%left HQUA
442
443%left HDOT
444
445%start MAIN_MODULE
446%%
447/* GRAMATIKK FOR PROGRAM MODULES */
448MAIN_MODULE : { categ=CLOCAL; mout(MBLOCK);
449 beginBlock(KBLOKK);separat_comp=FALSE;}
450 MODULS { endBlock(NULL,CCNO); mout(MENDBLOCK);}
451 | error HSTATEMENTSEPARATOR MBEE_DECLSTMS
452 ;
453EXT_DECLARATION : HEXTERNAL
454 MBEE_TYPE
455 HPROCEDURE
456 { MBEENEWBLOCK();
457 kind=KPROC;}
458 EXT_LIST
459 |
460 HEXTERNAL
461 HIDENTIFIER
462 HPROCEDURE
463 { MBEENEWBLOCK();
464 type=TNOTY;
465 kind=KPROC;
466 if($2==Ckind)categ=CCPROC;else
467 yerror (1);
468 ysensitive=sensitive;
469 sensitive=ON;}
470 HIDENTIFIER { $<ident>$=$5;
471 sensitive=ysensitive;}
472 EXTERNAL_KIND_ITEM
473 { categ=CLOCAL;}
474 | HEXTERNAL
475 HCLASS
476 { MBEENEWBLOCK();
477 kind=KCLASS;}
478 EXT_LIST
479
480 ;
481EXTERNAL_KIND_ITEM: EXT_IDENT
482 HOBJRELOPERATOR
483 { if($2!=HIS)yerror (2);}
484 MBEE_TYPE HPROCEDURE
485 HIDENTIFIER
486 { regDecl($6, type, KPROC, CCPROC);
487 beginBlock(kind);}
488 HEADING EMPTY_BLOCK
489 { categ=CLOCAL;
490 endBlock($1==NULL?$<ident>0:tag($1),CCCPROC);}
491/* |
492 EXT_IDENT
493 { if($1!=NULL)yerror (3);
494 regDecl($0, type, kind, categ);}
495 MBEE_REST_EXT_LIST
496 { endBlock(NULL,CCNO);}
497 ;
498MBEE_REST_EXT_LIST: /* EMPTY
499 | HPAREXPSEPARATOR EXT_KIND_LIST
500 ;
501EXT_KIND_LIST : EXT_KIND_ITEM
502 | EXT_KIND_LIST HPAREXPSEPARATOR EXT_KIND_ITEM
503 ;
504EXT_KIND_ITEM : HIDENTIFIER
505 EXT_IDENT
506 { if($2!=NULL)yerror (3);
507 regDecl($1, type, kind, categ);}*/
508 ;
509EMPTY_BLOCK : /*EMPT*/
510 | HBEGIN HEND
511 ;
512EXT_LIST : EXT_ITEM
513 | EXT_LIST HPAREXPSEPARATOR EXT_ITEM
514 ;
515EXT_ITEM : HIDENTIFIER
516 EXT_IDENT
517 { lesinn_external_spec($1,$2, kind);}
518 ;
519EXT_IDENT : /* EMPTY */ { $$=NULL;}
520 | HVALRELOPERATOR { if($1!=HEQ)yerror (9);
521 external=TRUE;}
522 HTEXTKONST { $$=$3;external=FALSE;}
523 ;
524/* GRAMATIKK FOR TYPER */
525NO_TYPE : /*EMPT*/ { type=TNOTY;}
526 ;
527MBEE_TYPE : NO_TYPE
528 | TYPE
529 ;
530TYPE : HREF HBEGPAR
531 HIDENTIFIER
532 { prefquantident=$3;
533 type=TREF;}
534 HENDPAR
535 | HTEXT { type=TTEXT;}
536 | HBOOLEAN { type=TBOOL;}
537 | HCHARACTER { type=TCHAR;}
538 | HSHORT HINTEGER { type=TSHORT;}
539 | HINTEGER { type=TINTG;}
540 | HREAL { type=TREAL;}
541 | HLONG HREAL { type=TLONG;}
542 ;
543
544/* GRAMATIKK FOR DEL AV SETNINGER */
545MBEE_ELSE_PART : /*EMPT*/
546/* | HELSE
547 HIF
548 EXPRESSION
549 HTHEN { mout(MELSE);
550 mout(MIF);
551 OBSBLOCK();}
552 BLOCK { MBEEENDBLOCK();}
553 MBEE_ELSE_PART { mout(MENDIF);}*/
554 | HELSE { OBSBLOCK(); mout(MELSE);}
555 BLOCK { MBEEENDBLOCK();}
556 ;
557FOR_LIST : FOR_LIST_ELEMENT { mout(MENDSEP);
558 mout(MLISTSEP);}
559 | FOR_LIST_ELEMENT
560 HPAREXPSEPARATOR
561 FOR_LIST { mout(MLISTSEP);}
562 ;
563FOR_LIST_ELEMENT: EXPRESSION
564 MBEE_F_L_EL_R_PT
565 ;
566MBEE_F_L_EL_R_PT: /*EMPT*/
567 | HWHILE
568 EXPRESSION { mout(MFORWHILE);}
569 | HSTEP
570 EXPRESSION
571 HUNTIL
572 EXPRESSION { mout(MUNTIL);
573 mout(MSTEP);}
574 ;
575GOTO : HGO
576 HTO
577 | HGOTO
578 ;
579CONN_STATE_R_PT : WHEN_CLAUSE_LIST
580 | HDO { beginBlock(KCON); mout(MDO);
581 OBSBLOCK(); }
582 BLOCK { endBlock(NULL,CCNO);
583 MBEEENDBLOCK(); mout(MENDDO);}
584 ;
585WHEN_CLAUSE_LIST: HWHEN
586 HIDENTIFIER
587 HDO { beginBlock(KCON); mout(MIDENTIFIER);
588 OBSBLOCK(); moutId($2);
589 mout(MWHEN);}
590 BLOCK { endBlock(NULL,CCNO);
591 MBEEENDBLOCK(); mout(MENDWHEN);}
592 | WHEN_CLAUSE_LIST
593 HWHEN
594 HIDENTIFIER
595 HDO { beginBlock(KCON); mout(MIDENTIFIER);
596 OBSBLOCK(); moutId($3);
597 mout(MWHEN);}
598 BLOCK { endBlock(NULL,CCNO);
599 MBEEENDBLOCK(); mout(MENDWHEN);}
600 ;
601MBEE_OTWI_CLAUS : /*EMPT*/
602 | HOTHERWISE {OBSBLOCK(); mout(MOTHERWISE);}
603
604 BLOCK {MBEEENDBLOCK();mout(MENDOTHERWISE);}
605 ;
606ACTIVATOR : HACTIVATE { mout(MBOOLEANKONST);
607 moutIval(FALSE);}
608 | HREACTIVATE { mout(MBOOLEANKONST);
609 moutIval(TRUE);}
610 ;
611SCHEDULE : /*EMPT*/ { mout(MCHARACTERKONST);
612 moutIval(DIRECT);
613 mout(MINTEGERKONST);
614 moutIval(0);
615 mout(MNONE);
616 mout(MBOOLEANKONST);
617 moutIval(FALSE);}
618 | ATDELAY EXPRESSION { mout(MNONE);}
619 PRIOR
620 | BEFOREAFTER { mout(MINTEGERKONST);
621 moutIval(0);}
622 EXPRESSION { mout(MBOOLEANKONST);
623 moutIval(FALSE);}
624 ;
625ATDELAY : HAT { mout(MCHARACTERKONST);
626 moutIval(AT);}
627 | HDELAY { mout(MCHARACTERKONST);
628 moutIval(DELAYS);}
629 ;
630BEFOREAFTER : HBEFORE { mout(MCHARACTERKONST);
631 moutIval(BEFORE);}
632 | HAFTER { mout(MCHARACTERKONST);
633 moutIval(AFTER);}
634 ;
635PRIOR : /*EMPT*/ { mout(MBOOLEANKONST);
636 moutIval(FALSE);}
637 | HPRIOR { mout(MBOOLEANKONST);
638 moutIval(TRUE);}
639 ;
640/* GRAMATIKK FOR SETNINGER OG DEKLARASJONER */
641MODULSTATEMENT : HWHILE
642 EXPRESSION
643 HDO { STOPOBSBLOCK(); mout(MWHILE);
644 OBSBLOCK();}
645 BLOCK { MBEEENDBLOCK(); mout(MENDWHILE);
646 $$=STATEMENT;}
647 | HIF
648 EXPRESSION
649 HTHEN { STOPOBSBLOCK(); mout(MIF);
650 OBSBLOCK();}
651 BLOCK { MBEEENDBLOCK();}
652 MBEE_ELSE_PART { mout(MENDIF);
653 $$=STATEMENT;}
654 | HFOR
655 HIDENTIFIER
656 HASSIGN { STOPOBSBLOCK(); mout(MIDENTIFIER);
657 moutId($2);}
658 FOR_LIST
659 HDO { beginBlock(KFOR);
660 if($3==HASSIGNVALUE) mout(MFOR);
661 else mout(MFORR);
662 OBSBLOCK(); mout(MFORDO);}
663 BLOCK { MBEEENDBLOCK();
664 endBlock(NULL,CCNO); mout(MENDFOR);
665 $$=STATEMENT;}
666 | GOTO
667 EXPRESSION { mout(MGOTO);
668 STOPOBSBLOCK(); $$=STATEMENT;}
669 | HINSPECT
670 EXPRESSION { mout(MINSPECT);
671 STOPOBSBLOCK();
672 beginBlock(KINSP);}
673 CONN_STATE_R_PT
674 { endBlock(NULL,CCNO);}
675 MBEE_OTWI_CLAUS { mout(MENDINSPECT);
676 $$=STATEMENT;}
677 | HINNER { STOPOBSBLOCK(); mout(MINNER);
678 regInner(); $$=STATEMENT;}
679 | HIDENTIFIER
680 HLABELSEPARATOR
681 { STOPOBSBLOCK();
682 regDecl($1, TLABEL, KSIMPLE, categ); mout(MLABEL);
683 moutId($1);
684 mout(MENDLABEL);}
685 DECLSTATEMENT { if($4<=DECLARATION)
686 { yerror (27);
687 $$=DECLARATION;}
688 else $$=$4;}
689 | EXPRESSION_SIMP
690 HBEGIN
691 { $<ident>$=$1; }
692 IMPORT_SPEC_MODULE
693 { mout(MPRBLOCK);
694 prefquantident=$1;
695 beginBlock(KPRBLK);}
696 MBEE_DECLSTMS
697 HEND { endBlock(NULL,CCNO); mout(MENDPRBLOCK);
698 $$=STATEMENT;}
699 | EXPRESSION_SIMP HBEGIN error HSTATEMENTSEPARATOR
700 MBEE_DECLSTMS HEND { $$=STATEMENT;
701 endBlock(NULL,CCNO); mout(MENDPRBLOCK);}
702 | EXPRESSION_SIMP HBEGIN error HEND
703 { $$=STATEMENT;
704 endBlock(NULL,CCNO); mout(MENDPRBLOCK);}
705
706 | EXPRESSION_SIMP
707 { STOPOBSBLOCK(); $$=STATEMENT;
708 mout(MENDASSIGN);}
709 | ACTIVATOR EXPRESSION SCHEDULE
710 { $$=STATEMENT;
711 mout(MENDSEP);
712 mout(MARGUMENTSEP);
713 mout(MARGUMENTSEP);
714 mout(MARGUMENTSEP);
715 mout(MARGUMENTSEP);
716 mout(MARGUMENTSEP);
717 mout(MARGUMENTSEP);
718 mout(MARGUMENT);
719 moutId(activateid);
720 mout(MENDASSIGN);}
721 | HBEGIN
722 { STOPOBSBLOCK();
723 OBSBLOCK();}
724 MBEE_DECLSTMS
725 HEND { MBEEENDBLOCK(); $$=STATEMENT;}
726 | MBEE_TYPE HPROCEDURE
727 HIDENTIFIER
728 { MBEENEWBLOCK(); mout(MPROCEDURE);
729 regDecl($3, type, KPROC, categ);
730 beginBlock(KPROC);}
731 HEADING BLOCK { endBlock(NULL,CCNO); $$=DECLARATION;
732 mout(MENDPROCEDURE);}
733 | HIDENTIFIER
734 HCLASS
735 NO_TYPE
736 { $<ident>$=$1; }
737 IMPORT_SPEC_MODULE
738 HIDENTIFIER
739 { prefquantident=$1;
740 mout(MCLASS);
741 regDecl($6, TNOTY, KCLASS, categ);
742 beginBlock(KCLASS);}
743 HEADING
744 BLOCK { endBlock(NULL,CCNO); $$=DECLARATION;
745 mout(MENDCLASS);}
746 | HCLASS
747 NO_TYPE
748 HIDENTIFIER
749 { prefquantident=0;
750 MBEENEWBLOCK(); mout(MCLASS);
751 regDecl($3, TNOTY, KCLASS, categ);
752 beginBlock(KCLASS);}
753 HEADING
754 BLOCK { endBlock(NULL,CCNO); $$=DECLARATION;
755 mout(MENDCLASS);}
756 | EXT_DECLARATION { $$=EXTDECLARATION;}
757 | /*EMPT*/{ STOPOBSBLOCK(); $$=EMPTYSTATEMENT;}
758 ;
759IMPORT_SPEC_MODULE: { MBEENEWBLOCK();
760 kind=KCLASS;
761 if($<ident>0==simsetident &&
762 findDecl(simsetident,cblock,FALSE)==NULL)
763 lesinn_external_spec(simsetident,
764 SIMSETATRFILE, kind);
765 if($<ident>0==simulationident && findDecl(
766 simulationident,cblock,FALSE)==NULL)
767 lesinn_external_spec(simulationident,
768 SIMULATIONATRFILE, kind);
769 if(($<ident>0==fileident && findDecl(
770 fileident,cblock,FALSE)==NULL) ||
771 ($<ident>0==outfileident && findDecl(
772 outfileident,cblock,FALSE)==NULL) ||
773 ($<ident>0==infileident && findDecl(
774 infileident,cblock,FALSE)==NULL) ||
775 ($<ident>0==directfileident && findDecl(
776 directfileident,cblock,FALSE)==NULL) ||
777 ($<ident>0==printfileident && findDecl(
778 printfileident,cblock,FALSE)==NULL) ||
779 ($<ident>0==bytefileident && findDecl(
780 bytefileident,cblock,FALSE)==NULL) ||
781 ($<ident>0==inbytefileident && findDecl(
782 inbytefileident,cblock,FALSE)==NULL) ||
783 ($<ident>0==outbytefileident && findDecl(
784 outbytefileident,cblock,FALSE)==NULL) ||
785 ($<ident>0==directbytefileident && findDecl(
786 directbytefileident,cblock,FALSE)==NULL))
787 lesinn_external_spec(fileident,
788 FILEATRFILE, kind);}
789 ;
790DECLSTATEMENT : MODULSTATEMENT
791 | TYPE
792 HIDENTIFIER
793 MBEE_CONSTANT
794 HPAREXPSEPARATOR
795 { MBEENEWBLOCK();
796 kind=KSIMPLE;
797 regDecl($2, type, KSIMPLE, categ);
798 categ=CLOCAL;}
799 IDENTIFIER_LISTC { $$=DECLARATION;}
800 | TYPE
801 HIDENTIFIER
802 MBEE_CONSTANT
803 { MBEENEWBLOCK();
804 regDecl($2, type, KSIMPLE, categ);
805 categ=CLOCAL; $$=DECLARATION;}
806 | MBEE_TYPE
807 HARRAY { MBEENEWBLOCK();
808 kind=KARRAY;}
809 ARR_SEGMENT_LIST { $$=DECLARATION;}
810 | HSWITCH
811 HIDENTIFIER
812 HASSIGN { MBEENEWBLOCK(); mout(MIDENTIFIER);
813 moutId($2);
814 regDecl($2, TLABEL, KARRAY, categ);}
815 SWITCH_LIST { $$=DECLARATION;
816 mout(MSWITCH);
817 mout(MENDSWITCH);}
818 ;
819BLOCK : DECLSTATEMENT { if($1<=DECLARATION)yerror (29);}
820 | HBEGIN MBEE_DECLSTMS HEND
821 | HBEGIN error HSTATEMENTSEPARATOR MBEE_DECLSTMS HEND
822 | HBEGIN error HEND
823 ;
824MBEE_DECLSTMS : MBEE_DECLSTMSU { if($1<=DECLARATION)yerror (28);
825 $$=$1;}
826 ;
827MBEE_DECLSTMSU : DECLSTATEMENT { $$=$1;}
828 | MBEE_DECLSTMSU
829 HSTATEMENTSEPARATOR
830 DECLSTATEMENT { if($1>=STATEMENT && $3<=DECLARATION)
831 yerror (26);
832 $$=$3;}
833 ;
834MODULS : MODULSTATEMENT { if($1==DECLARATION)
835 {separat_comp=TRUE;gettimestamp();}
836 $$=$1;}
837 | MODULS HSTATEMENTSEPARATOR MODULSTATEMENT
838 { if($1>=STATEMENT && $3<=DECLARATION)
839 yerror (26);else
840 if($1>=STATEMENT
841 && $3!=EMPTYSTATEMENT)yerror (25);
842 if(separat_comp && $3==STATEMENT)
843 yerror (25);
844 if($3==DECLARATION && !separat_comp)
845 {separat_comp=TRUE;gettimestamp();}
846 $$=$3;}
847 ;
848/* GRAMATIKK FOR DEL AV DEKLARASJONER */
849ARR_SEGMENT_LIST: ARR_SEGMENT
850 | ARR_SEGMENT_LIST
851 HPAREXPSEPARATOR
852 ARR_SEGMENT
853 ;
854ARR_SEGMENT : ARRAY_SEGMENT
855 HBEGPAR
856 BAUND_PAIR_LIST HENDPAR { mout(MARRAY);
857 mout(MENDARRAY);
858 setArrayDim($3);}
859 ;
860ARRAY_SEGMENT : ARRAY_SEGMENT_EL { mout(MENDSEP);
861 mout(MARRAYSEP);}
862
863 | ARRAY_SEGMENT_EL
864 HPAREXPSEPARATOR
865 ARRAY_SEGMENT { mout(MARRAYSEP);}
866 ;
867ARRAY_SEGMENT_EL: HIDENTIFIER { mout(MIDENTIFIER);
868 moutId($1);
869 regDecl($1, type, kind, categ);
870 if(lastArray==NULL)
871 lastArray=cblock->lastparloc;}
872 ;
873BAUND_PAIR_LIST : BAUND_PAIR { mout(MENDSEP);
874 mout(MBOUNDSEP);
875 $$=1;}
876 | BAUND_PAIR
877 HPAREXPSEPARATOR
878 BAUND_PAIR_LIST { mout(MBOUNDSEP);
879 $$=$3+1;}
880 ;
881BAUND_PAIR : EXPRESSION
882 HLABELSEPARATOR
883 EXPRESSION { mout(MBOUNDPARSEP);}
884 ;
885SWITCH_LIST : EXPRESSION { mout(MENDSEP);
886 mout(MSWITCHSEP);}
887 | EXPRESSION
888 HPAREXPSEPARATOR
889 SWITCH_LIST { mout(MSWITCHSEP);}
890 ;
891HEADING : MBEE_FMAL_PAR_P HSTATEMENTSEPARATOR { kind=KNOKD;}
892 MBEE_MODE_PART { categ=CSPEC;}
893 MBEE_SPEC_PART { kind=KNOKD;}
894 MBEE_PROT_PART { categ=CVIRT;}
895 MBEE_VIRT_PART
896 { categ=CLOCAL;}
897 ;
898MBEE_FMAL_PAR_P : /*EMPT*/
899 | FMAL_PAR_PART
900 ;
901FMAL_PAR_PART : HBEGPAR NO_TYPE
902 MBEE_LISTV HENDPAR
903 ;
904MBEE_LISTV : /*EMPT*/
905 | LISTV
906 ;
907LISTV : HIDENTIFIER { regDecl($1, type, KNOKD, CDEFLT);}
908 | FPP_CATEG HDOTDOTDOT { regDecl(varargsid, TVARARGS, KNOKD, categ);}
909 | HIDENTIFIER { regDecl($1, type, KNOKD, CDEFLT);}
9af3fbce 910 HPAREXPSEPARATOR LISTV {}
817e9f41
AD		 911 | FPP_SPEC
912 | FPP_SPEC
913 HPAREXPSEPARATOR LISTV
914 ;
915FPP_HEADING : HBEGPAR NO_TYPE
916 FPP_MBEE_LISTV HENDPAR
917 ;
918FPP_MBEE_LISTV : /*EMPT*/
919 | FPP_LISTV
920 ;
921FPP_LISTV : FPP_CATEG HDOTDOTDOT { regDecl(varargsid, TVARARGS, KNOKD, categ);}
922 | FPP_SPEC
923 | FPP_SPEC
924 HPAREXPSEPARATOR LISTV
925 ;
926FPP_SPEC : FPP_CATEG SPECIFIER HIDENTIFIER
927 { regDecl($3, type, kind, categ);}
928 | FPP_CATEG FPP_PROC_DECL_IN_SPEC
929 ;
930FPP_CATEG : HNAME HLABELSEPARATOR
931 { categ=CNAME;}
932 | HVALUE HLABELSEPARATOR
933 { categ=CVALUE;}
934 | HVAR HLABELSEPARATOR
935 { categ=CVAR;}
936 | /*EMPT*/ { categ=CDEFLT;}
937 ;
938FPP_PROC_DECL_IN_SPEC: MBEE_TYPE HPROCEDURE
939 HIDENTIFIER
940 { $<ival>$=categ;
941 regDecl($3, type, KPROC, categ);
942 beginBlock(KPROC);}
943 FPP_HEADING
944 { categ=$<ival>4; /* M} settes tilbake*/}
945 { endBlock(NULL,CCNO);}
946 ;
947IDENTIFIER_LISTV: HIDENTIFIER { regDecl($1, type, kind, categ);}
948 | HDOTDOTDOT { regDecl(varargsid, TVARARGS, kind, categ);}
949 | HIDENTIFIER { regDecl($1, type, kind, categ);}
9af3fbce 950 HPAREXPSEPARATOR IDENTIFIER_LISTV {}
817e9f41
AD		 951 ;
952MBEE_MODE_PART : /*EMPT*/
953 | MODE_PART
954 ;
955MODE_PART : NAME_PART
956 | VALUE_PART
957 | VAR_PART
958 | NAME_PART VALUE_PART
959 | VALUE_PART NAME_PART
960 | NAME_PART VAR_PART
961 | VAR_PART NAME_PART
962 | VALUE_PART VAR_PART
963 | VAR_PART VALUE_PART
964 | VAR_PART NAME_PART VALUE_PART
965 | NAME_PART VAR_PART VALUE_PART
966 | NAME_PART VALUE_PART VAR_PART
967 | VAR_PART VALUE_PART NAME_PART
968 | VALUE_PART VAR_PART NAME_PART
969 | VALUE_PART NAME_PART VAR_PART
970 ;
971NAME_PART : HNAME { categ=CNAME;}
972 IDENTIFIER_LISTV
973 HSTATEMENTSEPARATOR
974 ;
975VAR_PART : HVAR { categ=CVAR;}
976 IDENTIFIER_LISTV
977 HSTATEMENTSEPARATOR
978 ;
979VALUE_PART : HVALUE { categ=CVALUE;}
980 IDENTIFIER_LISTV HSTATEMENTSEPARATOR
981 ;
982MBEE_SPEC_PART : /*EMPT*/
983 | SPEC_PART
984 ;
985SPEC_PART : ONE_SPEC
986 | SPEC_PART ONE_SPEC
987 ;
988ONE_SPEC : SPECIFIER IDENTIFIER_LIST HSTATEMENTSEPARATOR
989 | NO_TYPE HPROCEDURE HIDENTIFIER HOBJRELOPERATOR
990 { if($4!=HIS) yerror (8);}
991 PROC_DECL_IN_SPEC HSTATEMENTSEPARATOR
992 | FPP_PROC_DECL_IN_SPEC HSTATEMENTSEPARATOR
993 | MBEE_TYPE HPROCEDURE HIDENTIFIER HSTATEMENTSEPARATOR
994 { yerror (45);}
995 | MBEE_TYPE HPROCEDURE HIDENTIFIER HPAREXPSEPARATOR
996 IDENTIFIER_LIST HSTATEMENTSEPARATOR
997 { yerror (45);}
998 ;
999SPECIFIER : TYPE { kind=KSIMPLE;}
1000 | MBEE_TYPE
1001 HARRAY { kind=KARRAY;}
1002 | HLABEL { type=TLABEL;
1003 kind=KSIMPLE;}
1004 | HSWITCH { type=TLABEL;
1005 kind=KARRAY;}
1006 ;
1007PROC_DECL_IN_SPEC: MBEE_TYPE HPROCEDURE
1008 HIDENTIFIER
1009 { $<ival>$=categ;
1010 regDecl($3, type, KPROC, categ);
1011 beginBlock(KPROC);}
1012 HEADING
1013 { categ=$<ival>4; /* M} settes tilbake*/}
1014 MBEE_BEGIN_END
1015 { endBlock(NULL,CCNO);}
1016 ;
1017MBEE_BEGIN_END : /* EMPTY */
1018 | HBEGIN HEND
1019 ;
1020MBEE_PROT_PART : /*EMPT*/
1021 | PROTECTION_PART
1022 ;
1023PROTECTION_PART : PROT_SPECIFIER IDENTIFIER_LIST
1024 HSTATEMENTSEPARATOR
1025 | PROTECTION_PART PROT_SPECIFIER
1026 IDENTIFIER_LIST HSTATEMENTSEPARATOR
1027 ;
1028PROT_SPECIFIER : HHIDDEN { categ=CHIDEN;}
1029 | HPROTECTED { categ=CPROT;}
1030 | HHIDDEN
1031 HPROTECTED { categ=CHIPRO;}
1032 | HPROTECTED
1033 HHIDDEN { categ=CHIPRO;}
1034 ;
1035MBEE_VIRT_PART : /*EMPT*/
1036 | VIRTUAL_PART
1037 ;
1038VIRTUAL_PART : HVIRTUAL
1039 HLABELSEPARATOR
1040 MBEE_SPEC_PART
1041 ;
1042IDENTIFIER_LIST : HIDENTIFIER { regDecl($1, type, kind, categ);}
1043 | IDENTIFIER_LIST HPAREXPSEPARATOR
1044 HIDENTIFIER { regDecl($3, type, kind, categ);}
1045 ;
1046IDENTIFIER_LISTC: HIDENTIFIER
1047 MBEE_CONSTANT { regDecl($1, type, kind, categ);
1048 categ=CLOCAL;}
1049 | IDENTIFIER_LISTC HPAREXPSEPARATOR
1050 HIDENTIFIER
1051 MBEE_CONSTANT { regDecl($3, type, kind, categ);
1052 categ=CLOCAL;}
1053 ;
1054MBEE_CONSTANT : /* EMPTY */
1055 | HVALRELOPERATOR
1056 { MBEENEWBLOCK();
1057 if($1!=HEQ) yerror (8);
1058 if(type==TREF)yerror (7);
1059 categ=CCONSTU;
1060 mout(MIDENTIFIER);
1061 moutId($<token>0);}
1062 EXPRESSION { mout(MASSIGN);
1063 mout(MCONST);}
1064 ;
1065
1066/* GRAMATIKK FOR UTTRYKK */
1067EXPRESSION : EXPRESSION_SIMP {}
1068 | HIF
1069 EXPRESSION
1070 HTHEN
1071 EXPRESSION
1072 HELSE
1073 EXPRESSION { mout(MELSEE);
1074 mout(MIFE);}
1075 ;
1076EXPRESSION_SIMP : EXPRESSION_SIMP
1077 HASSIGN
1078 EXPRESSION { if($2==HASSIGNREF)mout(MASSIGNR);
1079 else mout(MASSIGN);$$=NULL;}
1080 |
1081
1082 EXPRESSION_SIMP
1083 HCONC
1084 EXPRESSION_SIMP { mout(MCONC);$$=NULL;}
1085 | EXPRESSION_SIMP HOR
1086 HELSE
1087 EXPRESSION_SIMP
1088 %prec HORELSE { mout(MORELSEE);$$=NULL;}
1089 | EXPRESSION_SIMP HAND
1090 HTHEN
1091 EXPRESSION_SIMP
1092 %prec HANDTHEN { mout(MANDTHENE);$$=NULL;}
1093 | EXPRESSION_SIMP
1094 HEQV EXPRESSION_SIMP { mout(MEQV);$$=NULL;}
1095 | EXPRESSION_SIMP
1096 HIMP EXPRESSION_SIMP { mout(MIMP);$$=NULL;}
1097 | EXPRESSION_SIMP
1098 HOR EXPRESSION_SIMP { mout(MOR);$$=NULL;}
1099 | EXPRESSION_SIMP
1100 HAND EXPRESSION_SIMP { mout(MAND);$$=NULL;}
1101 | HNOT EXPRESSION_SIMP { mout(MNOT);$$=NULL;}
1102 | EXPRESSION_SIMP
1103 HVALRELOPERATOR
1104 EXPRESSION_SIMP
1105 { switch($2)
1106 { case HEQ: mout(MEQ);break;
1107 case HNE: mout(MNE);break;
1108 case HLT: mout(MLT);break;
1109 case HLE: mout(MLE);break;
1110 case HGT: mout(MGT);break;
1111 case HGE: mout(MGE);break;
1112 }$$=NULL;}
1113 | EXPRESSION_SIMP
1114 HREFRELOPERATOR
1115 EXPRESSION_SIMP
1116 { if($2==HNER) mout(MNER);
1117 else mout(MEQR);$$=NULL;}
1118 | EXPRESSION_SIMP
1119 HOBJRELOPERATOR
1120 EXPRESSION_SIMP
1121 { if($2==HIS) mout(MIS);
1122 else mout(MINS);$$=NULL;}
1123 | HTERMOPERATOR
1124 EXPRESSION_SIMP %prec UNEAR
1125 { if($1==HADD) mout(MUADD);
1126 else mout(MUSUB);$$=NULL;}
1127 | EXPRESSION_SIMP
1128 HTERMOPERATOR
1129 EXPRESSION_SIMP
1130 { if($2==HADD) mout(MADD);
1131 else mout(MSUB);$$=NULL;}
1132 | EXPRESSION_SIMP
1133 HFACTOROPERATOR
1134 EXPRESSION_SIMP
1135 { if($2==HMUL) mout(MMUL); else
1136 if($2==HDIV) mout(MDIV);
1137 else mout(MINTDIV);$$=NULL;}
1138 | EXPRESSION_SIMP
1139 HPRIMARYOPERATOR
1140 EXPRESSION_SIMP { mout(MPRIMARY);$$=NULL;}
1141 | HBEGPAR
1142 EXPRESSION HENDPAR { mout(MNOOP);$$=NULL;}
1143 | HTEXTKONST { mout(MTEXTKONST);
1144 moutTval($1);$$=NULL;}
1145 | HCHARACTERKONST { mout(MCHARACTERKONST);
1146 moutIval($1);$$=NULL;}
1147 | HREALKONST { mout(MREALKONST);
1148 moutRval($1);$$=NULL;}
1149 | HINTEGERKONST { mout(MINTEGERKONST);
1150 moutIval($1);$$=NULL;}
1151 | HBOOLEANKONST { mout(MBOOLEANKONST);
1152 moutIval($1);$$=NULL;}
1153 | HNONE { mout(MNONE);$$=NULL;}
1154 | HIDENTIFIER
1155 { $<ident>$=$1;}
9af3fbce 1156 MBEE_ARG_R_PT {}
817e9f41
AD		 1157 | HTHIS HIDENTIFIER { mout(MTHIS);
1158 moutId($2);$$=NULL;}
1159 | HNEW
1160 HIDENTIFIER
1161 ARG_R_PT { mout(MNEWARG);
1162 moutId($2);$$=NULL;}
1163 | EXPRESSION_SIMP
1164 HDOT
1165 EXPRESSION_SIMP { mout(MDOT);$$=NULL;}
1166 | EXPRESSION_SIMP
1167 HQUA HIDENTIFIER { mout(MQUA);
1168 moutId($3);$$=NULL;}
1169 ;
1170ARG_R_PT : /*EMPTY*/ { mout(MENDSEP);}
1171 | HBEGPAR
1172 ARGUMENT_LIST HENDPAR
1173 ;
1174MBEE_ARG_R_PT : /*EMPTY*/ { mout(MIDENTIFIER);
1175 moutId($<ident>0);
1176 $$=$<ident>0;}
1177 | HBEGPAR
1178 ARGUMENT_LIST HENDPAR { mout(MARGUMENT);
1179 moutId($<ident>0);}
1180 ;
1181ARGUMENT_LIST : EXPRESSION { mout(MENDSEP);
1182 mout(MARGUMENTSEP);}
1183 | EXPRESSION
1184 HPAREXPSEPARATOR
1185 ARGUMENT_LIST { mout(MARGUMENTSEP);}
1186 ;
1187%%
1188]])
1189
1190# Pass plenty of options, to exercise plenty of code, even if we
1191# don't actually check the output. But SEGV is watching us, and
1192# so might do dmalloc.
1193AT_CHECK([[bison --verbose --defines input.y]], 0, [],
52489d44 1194[[input.y: warning: 78 shift/reduce conflicts and 10 reduce/reduce conflicts
817e9f41
AD		 1195]])
1196
1197AT_CHECK([[grep '^State.*contains' input.output]], 0,
1198[[State 64 contains 14 shift/reduce conflicts.
1199State 164 contains 1 shift/reduce conflict.
1200State 201 contains 33 shift/reduce conflicts and 4 reduce/reduce conflicts.
1201State 206 contains 1 shift/reduce conflict.
1202State 240 contains 1 shift/reduce conflict.
1203State 335 contains 9 shift/reduce conflicts and 2 reduce/reduce conflicts.
1204State 356 contains 1 shift/reduce conflict.
1205State 360 contains 9 shift/reduce conflicts and 2 reduce/reduce conflicts.
1206State 427 contains 9 shift/reduce conflicts and 2 reduce/reduce conflicts.
1207]])
1208
1209AT_CLEANUP
bison