2 ** Splint - annotation-assisted static program checker
3 ** Copyright (C) 1994-2002 University of Virginia,
4 ** Massachusetts Institute of Technology
6 ** This program is free software; you can redistribute it and/or modify it
7 ** under the terms of the GNU General Public License as published by the
8 ** Free Software Foundation; either version 2 of the License, or (at your
9 ** option) any later version.
11 ** This program is distributed in the hope that it will be useful, but
12 ** WITHOUT ANY WARRANTY; without even the implied warranty of
13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 ** General Public License for more details.
16 ** The GNU General Public License is available from http://www.gnu.org/ or
17 ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18 ** MA 02111-1307, USA.
20 ** For information on splint: info@splint.org
21 ** To report a bug: splint-bug@splint.org
22 ** For more information: http://www.splint.org
29 ** Yacc/Bison grammar for extended ANSI C used by Splint.
31 ** original grammar by Nate Osgood ---
32 ** hacrat@catfish.lcs.mit.edu Mon Jun 14 13:06:32 1993
34 ** changes for Splint --- handle typedef names correctly
35 ** fix struct/union parsing bug (empty struct is accepted)
36 ** add productions to handle macros --- require
37 ** error correction --- main source of conflicts in grammar.
38 ** need to process initializations sequentially, L->R
40 ** production names are cryptic, so more productions fit on one line
42 ** conflicts: 87 shift/reduce, 18 reduce/reduce
43 ** most of these are due to handling macros
44 ** a few are due to handling type expressions
50 extern void swallowMacro (void);
51 extern void yyerror (char *);
53 # include "splintMacros.nf"
55 # include "cscanner.h"
56 # include "cgrammar.h"
57 # include "exprChecks.h"
62 # define SHOWCSYM FALSE
65 ** This is necessary, or else when the bison-generated code #include's malloc.h,
66 ** there will be a parse error.
68 ** Unfortunately, it means the error checking on malloc, etc. is lost for allocations
69 ** in bison-generated files under Win32.
87 /*@dependent@*/ sRef sr;
90 /*@only@*/ functionClauseList funcclauselist;
91 /*@only@*/ functionClause funcclause;
92 /*@only@*/ flagSpec flagspec;
93 /*@only@*/ globalsClause globsclause;
94 /*@only@*/ modifiesClause modsclause;
95 /*@only@*/ warnClause warnclause;
96 /*@only@*/ stateClause stateclause;
98 /*@only@*/ functionConstraint fcnconstraint;
100 /*@only@*/ metaStateConstraint msconstraint;
101 /*@only@*/ metaStateSpecifier msspec;
102 /*@only@*/ metaStateExpression msexpr;
103 /*@observer@*/ metaStateInfo msinfo;
105 /*@only@*/ sRefList srlist;
106 /*@only@*/ globSet globset;
107 /*@only@*/ qtype qtyp;
108 /*@only@*/ cstring cname;
109 /*@observer@*/ annotationInfo annotation;
110 /*@only@*/ idDecl ntyp;
111 /*@only@*/ idDeclList ntyplist;
112 /*@only@*/ uentryList flist;
113 /*@owned@*/ uentryList entrylist;
114 /*@observer@*/ /*@dependent@*/ uentry entry;
115 /*@only@*/ uentry oentry;
116 /*@only@*/ exprNode expr;
117 /*@only@*/ enumNameList enumnamelist;
118 /*@only@*/ exprNodeList exprlist;
119 /*@only@*/ sRefSet srset;
120 /*@only@*/ cstringList cstringlist;
131 /* standard C tokens */
133 %token <tok> BADTOK SKIPTOK
134 %token <tok> CTOK_ELIPSIS CASE DEFAULT CIF CELSE SWITCH WHILE DO CFOR
135 %token <tok> GOTO CONTINUE BREAK RETURN
136 %token <tok> TSEMI TLBRACE TRBRACE TCOMMA TCOLON TASSIGN TLPAREN
137 %token <tok> TRPAREN TLSQBR TRSQBR TDOT TAMPERSAND TEXCL TTILDE
138 %token <tok> TMINUS TPLUS TMULT TDIV TPERCENT TLT TGT TCIRC TBAR TQUEST
139 %token <tok> CSIZEOF CALIGNOF CTYPEOF ARROW_OP CTYPEDEF COFFSETOF
140 %token <tok> INC_OP DEC_OP LEFT_OP RIGHT_OP
141 %token <tok> LE_OP GE_OP EQ_OP NE_OP AND_OP OR_OP
142 %token <tok> MUL_ASSIGN DIV_ASSIGN MOD_ASSIGN ADD_ASSIGN SUB_ASSIGN
143 %token <tok> LEFT_ASSIGN RIGHT_ASSIGN AND_ASSIGN XOR_ASSIGN OR_ASSIGN
144 %token <tok> CSTRUCT CUNION CENUM
145 %token <tok> VA_ARG VA_DCL
147 %token <tok> QGLOBALS
148 %token <tok> QMODIFIES
150 %token <tok> QCONSTANT
151 %token <tok> QFUNCTION
153 %token <tok> QDEFINES
155 %token <tok> QALLOCATES
157 %token <tok> QRELEASES
158 %token <tok> QPRECLAUSE
159 %token <tok> QPOSTCLAUSE
160 %token <tok> QINVARIANT
162 %token <tok> QUNDEF QKILLED
163 %token <tok> QENDMACRO
165 /* additional tokens introduced by splint pre-processor. */
166 %token <tok> LLMACRO LLMACROITER LLMACROEND TENDMACRO
168 /* break comments: */
169 %token <tok> QSWITCHBREAK QLOOPBREAK QINNERBREAK QSAFEBREAK
170 %token <tok> QINNERCONTINUE
172 /* case fall-through marker: */
173 %token <tok> QFALLTHROUGH
175 /* used in scanner only */
176 %token <tok> QLINTNOTREACHED
177 %token <tok> QLINTFALLTHROUGH
178 %token <tok> QLINTFALLTHRU
179 %token <tok> QARGSUSED
180 %token <tok> QPRINTFLIKE QLINTPRINTFLIKE QSCANFLIKE QMESSAGELIKE
182 /* not-reached marker: (used like a label) */
183 %token <tok> QNOTREACHED
185 /* type qualifiers: */
186 %token <tok> QCONST QVOLATILE QINLINE QEXTENSION QEXTERN QSTATIC QAUTO QREGISTER
187 %token <tok> QOUT QIN QYIELD QONLY QTEMP QSHARED QREF QUNIQUE
188 %token <tok> QCHECKED QUNCHECKED QCHECKEDSTRICT QCHECKMOD
189 %token <tok> QKEEP QKEPT QPARTIAL QSPECIAL QOWNED QDEPENDENT
190 %token <tok> QRETURNED QEXPOSED QNULL QOBSERVER QISNULL
191 %token <tok> QEXITS QMAYEXIT QNEVEREXIT QTRUEEXIT QFALSEEXIT
192 %token <tok> QLONG QSIGNED QUNSIGNED QSHORT QUNUSED QSEF QNOTNULL QRELNULL
193 %token <tok> QABSTRACT QCONCRETE QMUTABLE QIMMUTABLE
194 %token <tok> QTRUENULL QFALSENULL QEXTERNAL
195 %token <tok> QREFCOUNTED QREFS QNEWREF QTEMPREF QKILLREF QRELDEF
196 %token <ctyp> CGCHAR CBOOL CINT CGFLOAT CDOUBLE CVOID
197 %token <tok> QANYTYPE QINTEGRALTYPE QUNSIGNEDINTEGRALTYPE QSIGNEDINTEGRALTYPE
199 %token <tok> QNULLTERMINATED
200 %token <tok> QSETBUFFERSIZE
201 %token <tok> QSETSTRINGLENGTH
203 %token <tok> QMAXREAD
204 %token <tok> QTESTINRANGE
209 /* identifiers, literals */
210 %token <entry> IDENTIFIER
211 %token <cname> NEW_IDENTIFIER TYPE_NAME_OR_ID
212 %token <annotation> CANNOTATION
213 %token <expr> CCONSTANT
215 %type <flagspec> flagSpec
216 %type <expr> cconstantExpr
217 %token <entry> ITER_NAME ITER_ENDNAME
218 %type <entry> endIter
220 %type <funcclauselist> functionClauses functionClausesPlain
221 %type <funcclause> functionClause functionClause functionClausePlain
223 %type <globsclause> globalsClause globalsClausePlain
224 %type <modsclause> modifiesClause modifiesClausePlain nomodsClause
225 %type <warnclause> warnClause warnClausePlain optWarnClause
226 %type <funcclause> conditionClause conditionClausePlain
227 %type <stateclause> stateClause stateClausePlain
228 %type <msconstraint> metaStateConstraint
229 %type <fcnconstraint> functionConstraint
230 %type <msspec> metaStateSpecifier
231 %type <msexpr> metaStateExpression
233 %type <sr> globId globIdListExpr
234 %type <globset> globIdList
236 %token <ctyp> TYPE_NAME
237 %token <msinfo> METASTATE_NAME
238 %type <msinfo> metaStateName
239 %type <cname> enumerator newId /*@-varuse@*/ /* yacc declares yytranslate here */
240 %type <count> pointers /*@=varuse@*/
242 %type <tok> doHeader stateTag conditionTag startConditionClause
243 %type <typequal> exitsQualifier checkQualifier stateQualifier
244 paramQualifier returnQualifier visibilityQualifier
245 typedefQualifier refcountQualifier definedQualifier
247 /* type construction */
248 %type <ctyp> abstractDecl abstractDeclBase optAbstractDeclBase
249 %type <ctyp> suSpc enumSpc typeName typeSpecifier
251 %type <ntyp> namedDecl namedDeclBase optNamedDecl
252 %type <ntyp> plainNamedDecl plainNamedDeclBase
253 %type <ntyp> structNamedDecl
254 %type <ntyp> fcnDefHdrAux plainFcn
256 %type <oentry> paramDecl
259 %type <ntyplist> structNamedDeclList
261 %type <entrylist> genericParamList paramTypeList paramList idList paramIdList
262 %type <exprlist> argumentExprList iterArgList
263 %type <exprlist> initList namedInitializerList namedInitializerListAux
264 %type <flist> structDeclList structDecl
265 %type <srset> locModifies modList specClauseList optSpecClauseList
266 %type <sr> mExpr modListExpr specClauseListExpr
269 %type <con> BufConstraint
270 %type <tok> relationalOp
271 %type <tok> BufBinaryOp
272 %type <tok> bufferModifier
274 %type <conE> BufConstraintExpr
276 %type <conE> BufConstraintTerm
277 %type <sr> BufConstraintSrefExpr
279 %type <conL> BufConstraintList
281 %type <conL> optStructInvariant
283 %type <tok> BufUnaryOp
285 /*drl 1/6/2002 either /\ or && */
286 %type <tok> constraintSeperator
288 %type <enumnamelist> enumeratorList
289 %type <cstringlist> fieldDesignator
291 %type <expr> sizeofExpr sizeofExprAux offsetofExpr
292 %type <expr> openScope closeScope
293 %type <expr> instanceDecl namedInitializer optDeclarators
294 %type <expr> primaryExpr postfixExpr primaryIterExpr postfixIterExpr
295 %type <expr> unaryExpr castExpr timesExpr plusExpr
296 %type <expr> unaryIterExpr castIterExpr timesIterExpr plusIterExpr
297 %type <expr> shiftExpr relationalExpr equalityExpr bitandExpr
298 %type <expr> xorExpr bitorExpr andExpr
299 %type <expr> orExpr conditionalExpr assignExpr
300 %type <expr> shiftIterExpr relationalIterExpr equalityIterExpr bitandIterExpr
301 %type <expr> xorIterExpr bitorIterExpr andIterExpr
302 %type <expr> orIterExpr conditionalIterExpr assignIterExpr iterArgExpr
303 %type <expr> expr optExpr constantExpr
304 %type <expr> init macroBody iterBody endBody partialIterStmt iterSelectionStmt
305 %type <expr> stmt stmtList fcnBody iterStmt iterDefStmt iterDefStmtList
306 %type <expr> labeledStmt caseStmt defaultStmt
307 %type <expr> compoundStmt compoundStmtAux compoundStmtRest compoundStmtAuxErr
308 %type <expr> expressionStmt selectionStmt iterationStmt jumpStmt iterDefIterationStmt
309 %type <expr> stmtErr stmtListErr compoundStmtErr expressionStmtErr
310 %type <expr> iterationStmtErr initializerList typeInitializerList initializer
311 %type <expr> ifPred whilePred forPred iterWhilePred typeInitializer
313 %type <expr> designator designatorList designation
315 %type <typequal> storageSpecifier typeQualifier typeModifier globQual
316 %type <tquallist> optGlobQuals
317 %type <qtyp> completeType completeTypeSpecifier optCompleteType
318 %type <qtyp> completeTypeSpecifierAux altType typeExpression
329 : externalDef { context_checkGlobalScope (); }
330 | externalDefs externalDef { context_checkGlobalScope (); }
333 : fcnDef optSemi { uentry_clearDecl (); }
334 | constantDecl { uentry_clearDecl (); }
335 | fcnDecl { uentry_clearDecl (); }
336 | iterDecl { uentry_clearDecl (); }
337 | macroDef { uentry_clearDecl (); }
338 | initializer { uentry_checkDecl (); exprNode_free ($1); }
339 | TSEMI { uentry_clearDecl (); /* evans 2002-02-08: okay to have a null statement */ }
340 | error { uentry_clearDecl (); }
343 : QCONSTANT completeTypeSpecifier NotType namedDecl NotType optSemi IsType QENDMACRO
344 { checkConstant ($2, $4); }
345 | QCONSTANT completeTypeSpecifier NotType namedDecl NotType TASSIGN IsType init optDeclarators optSemi QENDMACRO
346 { checkValueConstant ($2, $4, $8) ; }
349 : QFUNCTION { context_enterFunctionHeader (); } plainFcn optSemi QENDMACRO
351 declareStaticFunction ($3); context_quietExitFunction ();
352 context_exitFunctionHeader ();
358 qtype qint = qtype_create (ctype_int);
359 $$ = idDecl_fixBase ($1, qint);
362 | completeTypeSpecifier NotType plainNamedDecl
363 { $$ = idDecl_fixBase ($3, $1); }
367 | pointers plainNamedDeclBase
368 { $$ = $2; qtype_adjustPointers ($1, idDecl_getTyp ($$)); }
371 : newId { $$ = idDecl_create ($1, qtype_unknown ()); }
372 | IsType TLPAREN NotType namedDecl IsType TRPAREN
373 { $$ = idDecl_expectFunction ($4); }
374 | namedDeclBase TLSQBR TRSQBR
375 { $$ = idDecl_replaceCtype ($1, ctype_makeInnerArray (idDecl_getCtype ($1))); }
376 | namedDeclBase TLSQBR IsType constantExpr TRSQBR NotType
378 exprNode_findValue ($4);
379 idDecl_notExpectingFunction ($1);
381 if (exprNode_hasValue ($4))
383 $$ = idDecl_replaceCtype ($1, ctype_makeInnerFixedArray (idDecl_getCtype ($1),
384 exprNode_getLongValue ($4)));
388 $$ = idDecl_replaceCtype ($1, ctype_makeInnerArray (idDecl_getCtype ($1)));
391 | namedDeclBase PushType TLPAREN TRPAREN
392 { setCurrentParams (uentryList_missingParams); }
394 { /* need to support globals and modifies here! */
395 ctype ct = ctype_makeFunction (idDecl_getCtype ($1),
396 uentryList_makeMissingParams ());
398 $$ = idDecl_replaceCtype ($1, ct);
399 idDecl_addClauses ($$, $6);
401 /*drl 7/25/01 added*/
402 setImplictfcnConstraints();
404 | namedDeclBase PushType TLPAREN genericParamList TRPAREN
405 { setCurrentParams ($4); }
407 { setImplictfcnConstraints ();
408 clearCurrentParams ();
409 $$ = idDecl_replaceCtype ($1, ctype_makeFunction (idDecl_getCtype ($1), $4));
410 idDecl_addClauses ($$, $7);
415 : newId { $$ = idDecl_create ($1, qtype_unknown ()); }
416 | IsType TLPAREN NotType plainNamedDecl IsType TRPAREN
417 { $$ = idDecl_expectFunction ($4); }
418 | plainNamedDeclBase TLSQBR TRSQBR
419 { $$ = idDecl_replaceCtype ($1, ctype_makeInnerArray (idDecl_getCtype ($1))); }
420 | plainNamedDeclBase TLSQBR IsType constantExpr TRSQBR NotType
424 if (exprNode_hasValue ($4)
425 && multiVal_isInt (exprNode_getValue ($4)))
427 value = (int) multiVal_forceInt (exprNode_getValue ($4));
434 $$ = idDecl_replaceCtype ($1, ctype_makeInnerFixedArray (idDecl_getCtype ($1), value));
436 | plainNamedDeclBase PushType TLPAREN TRPAREN
437 { setCurrentParams (uentryList_missingParams); }
440 ctype ct = ctype_makeFunction (idDecl_getCtype ($1),
441 uentryList_makeMissingParams ());
443 $$ = idDecl_replaceCtype ($1, ct);
444 idDecl_addClauses ($$, $6);
447 | plainNamedDeclBase PushType TLPAREN genericParamList TRPAREN
448 { setCurrentParams ($4); }
451 clearCurrentParams ();
452 $$ = idDecl_replaceCtype ($1, ctype_makeFunction (idDecl_getCtype ($1), $4));
453 idDecl_addClauses ($$, $7);
458 : QITER newId TLPAREN genericParamList TRPAREN
459 { setCurrentParams ($4); } functionClausesPlain
460 { clearCurrentParams (); } optSemi QENDMACRO
461 { declareCIter ($2, $4); }
464 : LLMACRO macroBody TENDMACRO { exprNode_checkMacroBody ($2); }
465 | LLMACROITER iterBody TENDMACRO { exprNode_checkIterBody ($2); }
466 | LLMACROEND endBody TENDMACRO { exprNode_checkIterEnd ($2); }
467 | LLMACRO TENDMACRO /* no stmt */ { exprChecks_checkEmptyMacroBody (); }
470 : fcnDefHdrAux { clabstract_declareFunction ($1); }
473 : metaStateSpecifier TASSIGN metaStateExpression
474 { $$ = metaStateConstraint_create ($1, $3); }
477 : BufConstraintSrefExpr { cscanner_expectingMetaStateName (); } TCOLON metaStateName
478 { cscanner_clearExpectingMetaStateName ();
479 $$ = metaStateSpecifier_create ($1, $4); }
480 | CTOK_ELIPSIS { cscanner_expectingMetaStateName (); } TCOLON metaStateName
481 { cscanner_clearExpectingMetaStateName ();
482 $$ = metaStateSpecifier_createElipsis ($4); }
485 : metaStateSpecifier { $$ = metaStateExpression_create ($1); }
486 | metaStateSpecifier TBAR metaStateExpression { $$ = metaStateExpression_createMerge ($1, $3); }
498 : BufConstraint constraintSeperator BufConstraintList { $$ = constraintList_add ($3, $1); }
499 | BufConstraint { $$ = constraintList_single ($1); }
502 : BufConstraintExpr relationalOp BufConstraintExpr {
503 $$ = makeConstraintParse3 ($1, $2, $3);
504 DPRINTF(("Done BufConstraint1\n")); }
517 | BufUnaryOp TLPAREN BufConstraintExpr TRPAREN {$$ = constraintExpr_parseMakeUnaryOp ($1, $3); DPRINTF( ("Got BufConstraintExpr UNary Op ") ); }
518 | TLPAREN BufConstraintExpr BufBinaryOp BufConstraintExpr TRPAREN {
519 DPRINTF( ("Got BufConstraintExpr BINary Op ") );
520 $$ = constraintExpr_parseMakeBinaryOp ($2, $3, $4); }
523 : BufConstraintSrefExpr { $$ = constraintExpr_makeTermsRef ($1);}
524 | CCONSTANT { $$ = constraintExpr_makeIntLiteral (exprNode_getLongValue ($1)); }
526 BufConstraintSrefExpr
528 { /*@-onlytrans@*/ $$ = checkbufferConstraintClausesId ($1); /*@=onlytrans@*/ /*@i523@*/ }
530 { $$ = fixStateClausesId ($1); }
531 | BufConstraintSrefExpr TLSQBR TRSQBR
532 { $$ = sRef_makeAnyArrayFetch ($1); }
533 | BufConstraintSrefExpr TLSQBR CCONSTANT TRSQBR
537 t = cstring_toCharsSafe (exprNode_unparse($3));
540 $$ = sRef_makeArrayFetchKnown ($1, exprNode_getLongValue ($3));
542 | TMULT BufConstraintSrefExpr
543 { $$ = sRef_constructPointer ($2); }
544 | TLPAREN BufConstraintSrefExpr TRPAREN
546 | BufConstraintSrefExpr TDOT newId
547 { cstring_markOwned ($3); $$ = sRef_buildField ($1, $3); }
548 | BufConstraintSrefExpr ARROW_OP newId
549 { cstring_markOwned ($3); $$ = sRef_makeArrow ($1, $3); }
552 | BufConstraintTerm TLSQBR TRSQBR { $$ = sRef_makeAnyArrayFetch ($1); }
553 | specClauseListExpr TLSQBR mExpr TRSQBR { $$ = sRef_makeAnyArrayFetch ($1); }
554 | TLPAREN specClauseListExpr TRPAREN { $$ = $2; }
555 | specClauseListExpr TDOT newId { cstring_markOwned ($3);
556 $$ = sRef_buildField ($1, $3); }
572 ** Function clauses can appear in any order.
576 : { $$ = functionClauseList_new (); }
577 | functionClause functionClauses
578 { $$ = functionClauseList_prepend ($2, $1); }
581 ** Inside macro definitions, there are no end macros.
586 { $$ = functionClauseList_new (); }
587 | functionClausePlain functionClausesPlain
588 { $$ = functionClauseList_prepend ($2, $1); }
591 : globalsClause { $$ = functionClause_createGlobals ($1); }
592 | modifiesClause { $$ = functionClause_createModifies ($1); }
593 | nomodsClause { $$ = functionClause_createModifies ($1); }
594 | stateClause { $$ = functionClause_createState ($1); }
595 | conditionClause { $$ = $1; }
596 | warnClause { $$ = functionClause_createWarn ($1); }
599 : globalsClausePlain { $$ = functionClause_createGlobals ($1); }
600 | modifiesClausePlain { $$ = functionClause_createModifies ($1); }
601 | nomodsClause { $$ = functionClause_createModifies ($1); }
602 | stateClausePlain { $$ = functionClause_createState ($1); }
603 | conditionClausePlain { $$ = $1; }
604 | warnClausePlain { $$ = functionClause_createWarn ($1); }
607 : globalsClausePlain QENDMACRO { $$ = $1; }
610 : QGLOBALS { setProcessingGlobalsList (); }
613 unsetProcessingGlobals ();
614 $$ = globalsClause_create ($1, $3);
618 : QNOMODS { $$ = modifiesClause_createNoMods ($1); }
621 : modifiesClausePlain QENDMACRO { $$ = $1; }
626 context_setProtectVars (); enterParamsTemp ();
627 sRef_setGlobalScopeSafe ();
632 sRef_clearGlobalScopeSafe ();
633 context_releaseVars ();
634 $$ = modifiesClause_create ($1, $3);
639 { $$ = flagSpec_createPlain ($1); }
640 | flagId TBAR flagSpec
641 { $$ = flagSpec_createOr ($1, $3); }
648 | /* empty */ { $$ = warnClause_undefined; }
651 : warnClausePlain QENDMACRO { $$ = $1; }
654 : QWARN flagSpec cconstantExpr
656 llassert (exprNode_knownStringValue ($3));
657 $$ = warnClause_create ($1, $2, cstring_copy (multiVal_forceString (exprNode_getValue ($3))));
661 { $$ = warnClause_create ($1, $2, cstring_undefined); }
664 : globIdListExpr { $$ = globSet_single ($1); }
665 | globIdList TCOMMA globIdListExpr { $$ = globSet_insert ($1, $3); }
668 : optGlobQuals globId { $$ = clabstract_createGlobal ($2, $1); }
671 : /* empty */ { $$ = qualList_undefined; }
672 | globQual optGlobQuals { $$ = qualList_add ($2, $1); }
675 : id { $$ = uentry_getSref ($1); }
676 | NEW_IDENTIFIER { $$ = clabstract_unrecognizedGlobal ($1); }
677 | initializer { $$ = clabstract_checkGlobal ($1); }
680 : QUNDEF { $$ = qual_createUndef (); }
681 | QKILLED { $$ = qual_createKilled (); }
682 | QOUT { $$ = qual_createOut (); }
683 | QIN { $$ = qual_createIn (); }
684 | QPARTIAL { $$ = qual_createPartial (); }
700 /**!!! deal with fred; fred (int); declarations! **/
701 qtype qint = qtype_create (ctype_int);
702 $$ = idDecl_fixBase ($1, qint);
705 | completeTypeSpecifier NotType namedDecl
706 { $$ = idDecl_fixBase ($3, $1); }
709 : TLBRACE { checkDoneParams (); context_enterInnerContext (); }
712 exprNode_checkFunctionBody ($3); $$ = $3;
713 context_exitInner ($3);
715 | { context_enterOldStyleScope (); } initializerList
716 { oldStyleDoneParams (); context_enterInnerContext (); }
719 exprNode_checkFunctionBody ($4);
720 $$ = $4; /* oldstyle */
721 context_exitInner ($4);
727 context_setFunctionDefined (exprNode_loc ($2));
728 exprNode_checkFunction (context_getHeader (), $2);
731 context_exitFunction ();
735 : modList optSemi { $$ = $1; }
736 | optSemi { $$ = sRefSet_new (); }
739 : id { $$ = uentry_getSref ($1); checkModifiesId ($1); }
740 | NEW_IDENTIFIER { $$ = fixModifiesId ($1); }
741 | modListExpr TLSQBR TRSQBR { $$ = modListArrayFetch ($1, sRef_undefined); }
742 | modListExpr TLSQBR mExpr TRSQBR { $$ = modListArrayFetch ($1, $3); }
743 | TMULT modListExpr { $$ = modListPointer ($2); }
744 | TLPAREN modListExpr TRPAREN { $$ = $2; }
745 | modListExpr TDOT newId { $$ = modListFieldAccess ($1, $3); }
746 | modListExpr ARROW_OP newId { $$ = modListArrowAccess ($1, $3); }
750 : modListExpr { $$ = $1; }
751 | cconstantExpr { $$ = sRef_makeUnknown (); /* sRef_makeConstant ($1); ? */ }
755 : modListExpr { $$ = sRefSet_single ($1); }
756 | modList TCOMMA modListExpr { $$ = sRefSet_insert ($1, $3); }
760 { $$ = checkStateClausesId ($1); }
762 { $$ = fixStateClausesId ($1); }
763 | specClauseListExpr TLSQBR TRSQBR { $$ = sRef_makeAnyArrayFetch ($1); }
764 | specClauseListExpr TLSQBR mExpr TRSQBR { $$ = sRef_makeAnyArrayFetch ($1); }
765 | TMULT specClauseListExpr { $$ = sRef_constructPointer ($2); }
766 | TLPAREN specClauseListExpr TRPAREN { $$ = $2; }
767 | specClauseListExpr TDOT newId { cstring_markOwned ($3);
768 $$ = sRef_buildField ($1, $3); }
769 | specClauseListExpr ARROW_OP newId { cstring_markOwned ($3);
770 $$ = sRef_makeArrow ($1, $3); }
773 : /* empty */ { $$ = sRefSet_undefined }
778 { if (sRef_isValid ($1)) { $$ = sRefSet_single ($1); }
779 else { $$ = sRefSet_undefined; }
781 | specClauseList TCOMMA specClauseListExpr
782 { if (sRef_isValid ($3))
784 $$ = sRefSet_insert ($1, $3);
793 : id { $$ = exprNode_fromIdentifier ($1); }
794 | NEW_IDENTIFIER { $$ = exprNode_fromUIO ($1); }
796 | TLPAREN expr TRPAREN { $$ = exprNode_addParens ($1, $2); }
797 | TYPE_NAME_OR_ID { $$ = exprNode_fromIdentifier (coerceId ($1)); }
798 | QEXTENSION { $$ = exprNode_makeError (); }
799 | TLPAREN { exprChecks_inCompoundStatementExpression (); }
801 { exprChecks_leaveCompoundStatementExpression (); $$ = exprNode_compoundStatementExpression ($1, $3); }
805 | postfixExpr TLSQBR expr TRSQBR { $$ = exprNode_arrayFetch ($1, $3); }
806 | postfixExpr TLPAREN TRPAREN { $$ = exprNode_functionCall ($1, exprNodeList_new ()); }
807 | postfixExpr TLPAREN argumentExprList TRPAREN { $$ = exprNode_functionCall ($1, $3); }
808 | VA_ARG TLPAREN assignExpr TCOMMA typeExpression TRPAREN { $$ = exprNode_vaArg ($1, $3, $5); }
809 | postfixExpr NotType TDOT newId IsType { $$ = exprNode_fieldAccess ($1, $3, $4); }
810 | postfixExpr NotType ARROW_OP newId IsType { $$ = exprNode_arrowAccess ($1, $3, $4); }
811 | postfixExpr INC_OP { $$ = exprNode_postOp ($1, $2); }
812 | postfixExpr DEC_OP { $$ = exprNode_postOp ($1, $2); }
813 | TLPAREN typeExpression TRPAREN TLBRACE typeInitializerList optComma TRBRACE
814 { /* added for C99 */ $$ = exprNode_undefined; /*@i87 no checking */ }
817 : assignExpr { $$ = exprNodeList_singleton ($1); }
818 | argumentExprList TCOMMA assignExpr { $$ = exprNodeList_push ($1, $3); }
822 | INC_OP unaryExpr { $$ = exprNode_preOp ($2, $1); }
823 | DEC_OP unaryExpr { $$ = exprNode_preOp ($2, $1); }
824 | TAMPERSAND castExpr { $$ = exprNode_preOp ($2, $1); }
825 | TMULT castExpr { $$ = exprNode_preOp ($2, $1); }
826 | TPLUS castExpr { $$ = exprNode_preOp ($2, $1); }
827 | TMINUS castExpr { $$ = exprNode_preOp ($2, $1); }
828 | TTILDE castExpr { $$ = exprNode_preOp ($2, $1); }
829 | TEXCL castExpr { $$ = exprNode_preOp ($2, $1); }
830 | sizeofExpr { $$ = $1; }
831 | offsetofExpr { $$ = $1; }
834 : fieldDesignator TDOT newId { $$ = cstringList_add ($1, $3); }
835 | fieldDesignator TLSQBR expr TRSQBR { $$ = $1; }
836 /* evans 2002-07-02: offsetof designators can use array indexes */
837 | newId { $$ = cstringList_single ($1); }
840 : COFFSETOF IsType TLPAREN typeExpression NotType TCOMMA fieldDesignator TRPAREN IsType
841 { $$ = exprNode_offsetof ($4, $7); }
844 : IsType { context_setProtectVars (); }
845 sizeofExprAux { context_sizeofReleaseVars (); $$ = $3; }
848 : CSIZEOF TLPAREN typeExpression TRPAREN { $$ = exprNode_sizeofType ($3); }
849 | CSIZEOF unaryExpr { $$ = exprNode_sizeofExpr ($2); }
850 | CALIGNOF TLPAREN typeExpression TRPAREN { $$ = exprNode_alignofType ($3); }
851 | CALIGNOF unaryExpr { $$ = exprNode_alignofExpr ($2); }
855 | TLPAREN typeExpression TRPAREN castExpr
856 { $$ = exprNode_cast ($1, $4, $2); }
860 | timesExpr TMULT castExpr { $$ = exprNode_op ($1, $3, $2); }
861 | timesExpr TDIV castExpr { $$ = exprNode_op ($1, $3, $2); }
862 | timesExpr TPERCENT castExpr { $$ = exprNode_op ($1, $3, $2); }
866 | plusExpr TPLUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
867 | plusExpr TMINUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
871 | shiftExpr LEFT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
872 | shiftExpr RIGHT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
876 | relationalExpr TLT shiftExpr { $$ = exprNode_op ($1, $3, $2); }
877 | relationalExpr TGT shiftExpr { $$ = exprNode_op ($1, $3, $2); }
878 | relationalExpr LE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
879 | relationalExpr GE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
883 | equalityExpr EQ_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
884 | equalityExpr NE_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
888 | bitandExpr TAMPERSAND equalityExpr { $$ = exprNode_op ($1, $3, $2); }
892 | xorExpr TCIRC bitandExpr { $$ = exprNode_op ($1, $3, $2); }
897 | bitorExpr TBAR xorExpr { $$ = exprNode_op ($1, $3, $2); }
902 { exprNode_produceGuards ($1);
903 context_enterAndClause ($1);
907 $$ = exprNode_op ($1, $4, $2);
908 context_exitAndClause ($$, $4);
915 exprNode_produceGuards ($1);
916 context_enterOrClause ($1);
920 $$ = exprNode_op ($1, $4, $2);
921 context_exitOrClause ($$, $4);
926 | orExpr TQUEST { exprNode_produceGuards ($1); context_enterTrueClause ($1); } expr TCOLON
927 { context_enterFalseClause ($1); } conditionalExpr
928 { $$ = exprNode_cond ($1, $4, $7); context_exitClause ($1, $4, $7); }
932 | unaryExpr TASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
933 | unaryExpr MUL_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
934 | unaryExpr DIV_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
935 | unaryExpr MOD_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
936 | unaryExpr ADD_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
937 | unaryExpr SUB_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
938 | unaryExpr LEFT_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
939 | unaryExpr RIGHT_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
940 | unaryExpr AND_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
941 | unaryExpr XOR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
942 | unaryExpr OR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
946 | expr TCOMMA assignExpr { $$ = exprNode_comma ($1, $3); }
949 : /* empty */ { $$ = exprNode_undefined; }
955 /* instance_orTypeDecl_and_possible_initialization */
958 : instanceDecl { $$ = $1; }
959 | VA_DCL { doVaDcl (); $$ = exprNode_makeError (); }
960 | typeDecl { $$ = exprNode_makeError (); }
963 : completeTypeSpecifier IsType TSEMI
964 { $$ = exprNode_makeError (); }
966 ** This causes r/r conflicts with function definitions.
967 ** Instead we need to snarf one first. (gack)
969 ** | completeTypeSpecifier { setProcessingVars ($1); }
971 ** namedInitializerList IsType TSEMI
972 ** { unsetProcessingVars (); }
975 ** the solution is pretty ugly:
977 | completeTypeSpecifier NotType namedDecl NotType
979 setProcessingVars ($1);
980 processNamedDecl ($3);
982 IsType optDeclarators TSEMI IsType
984 unsetProcessingVars ();
985 $$ = exprNode_makeEmptyInitialization ($3);
986 DPRINTF (("Empty initialization: %s", exprNode_unparse ($$)));
988 | completeTypeSpecifier NotType namedDecl NotType TASSIGN
989 { setProcessingVars ($1); processNamedDecl ($3); }
990 IsType init optDeclarators TSEMI IsType
991 { $$ = exprNode_concat ($9, exprNode_makeInitialization ($3, $8));
992 unsetProcessingVars ();
998 processNamedDecl ($1);
999 $$ = exprNode_makeEmptyInitialization ($1);
1001 | namedDecl NotType TASSIGN { processNamedDecl ($1); } IsType init
1002 { $$ = exprNode_makeInitialization ($1, $6); }
1005 : CTYPEDEF completeTypeSpecifier { setProcessingTypedef ($2); }
1006 NotType namedInitializerList IsType optWarnClause TSEMI
1007 { clabstract_declareType ($5, $7); }
1008 | CTYPEDEF completeTypeSpecifier IsType TSEMI { /* in the ANSI grammar, semantics unclear */ }
1009 | CTYPEDEF namedInitializerList IsType TSEMI { /* in the ANSI grammar, semantics unclear */ }
1012 : { g_expectingTypeName = TRUE; }
1015 : { g_expectingTypeName = TRUE; context_pushLoc (); }
1017 namedInitializerList
1018 : namedInitializerListAux IsType { $$ = $1; }
1020 namedInitializerListAux
1021 : namedInitializer { $$ = exprNodeList_singleton ($1); }
1022 | namedInitializerList TCOMMA NotType namedInitializer { $$ = exprNodeList_push ($1, $4); }
1025 : /* empty */ { $$ = exprNode_makeError (); }
1026 | optDeclarators TCOMMA NotType namedInitializer { $$ = exprNode_concat ($1, $4); }
1030 | TLBRACE initList TRBRACE { $$ = exprNode_makeInitBlock ($1, $2); }
1031 | TLBRACE initList TCOMMA TRBRACE { $$ = exprNode_makeInitBlock ($1, $2); }
1032 | designation init { $$ = exprNode_undefined; }
1035 ** Splint parses these (added in ISO C99), but no checking yet...
1039 : designatorList TASSIGN { $$ = $1; }
1040 | newId TCOLON { $$ = exprNode_undefined;
1041 /* gcc extension, obsolete since 2.5 */ }
1044 : designator { $$ = exprNode_undefined; }
1045 | designatorList designator { $$ = exprNode_undefined; }
1048 : TLSQBR constantExpr TRSQBR { $$ = exprNode_undefined; }
1049 | TDOT newId { $$ = exprNode_undefined; }
1053 { $$ = exprNodeList_singleton ($1); }
1054 | initList TCOMMA init
1055 { $$ = exprNodeList_push ($1, $3); }
1058 ** need to do the storage class global hack so tags are
1059 ** declared with the right storage class.
1063 : QEXTERN { setStorageClass (SCEXTERN); $$ = qual_createExtern (); }
1064 | QINLINE { $$ = qual_createInline (); }
1065 | QSTATIC { setStorageClass (SCSTATIC); $$ = qual_createStatic (); }
1066 | QAUTO { $$ = qual_createAuto (); }
1067 | QREGISTER { $$ = qual_createRegister (); }
1070 : stateClausePlain QENDMACRO { $$ = $1; }
1075 context_setProtectVars ();
1077 sRef_setGlobalScopeSafe ();
1079 specClauseList optSemi IsType
1082 sRef_clearGlobalScopeSafe ();
1083 context_releaseVars ();
1084 $$ = stateClause_createPlain ($1, $4);
1088 : conditionClausePlain QENDMACRO { $$ = $1; }
1090 startConditionClause
1091 : conditionTag NotType { $$ = $1; context_enterFunctionHeader (); }
1093 conditionClausePlain
1094 : startConditionClause stateQualifier
1096 context_exitFunctionHeader ();
1097 context_setProtectVars ();
1099 sRef_setGlobalScopeSafe ();
1101 optSpecClauseList optSemi IsType
1104 sRef_clearGlobalScopeSafe ();
1105 context_releaseVars ();
1106 $$ = functionClause_createState (stateClause_create ($1, $2, $4));
1108 | startConditionClause
1110 context_setProtectVars ();
1112 sRef_setGlobalScopeSafe ();
1114 functionConstraint optSemi IsType
1116 context_exitFunctionHeader ();
1118 sRef_clearGlobalScopeSafe ();
1119 context_releaseVars ();
1120 DPRINTF (("done optGlobBufConstraintsAux\n"));
1122 if (lltok_isEnsures ($1))
1124 $$ = functionClause_createEnsures ($3);
1126 else if (lltok_isRequires ($1))
1128 $$ = functionClause_createRequires ($3);
1135 DPRINTF (("FunctionclauseS: %s", functionClause_unparse ($$)));
1139 : BufConstraintList { $$ = functionConstraint_createBufferConstraint ($1); }
1140 | metaStateConstraint { $$ = functionConstraint_createMetaStateConstraint ($1); DPRINTF (("Made constraint: %s", functionConstraint_unparse ($$))); }
1143 : QEXITS { $$ = qual_createExits (); }
1144 | QMAYEXIT { $$ = qual_createMayExit (); }
1145 | QTRUEEXIT { $$ = qual_createTrueExit (); }
1146 | QFALSEEXIT { $$ = qual_createFalseExit (); }
1147 | QNEVEREXIT { $$ = qual_createNeverExit (); }
1150 : QCHECKED { $$ = qual_createChecked (); }
1151 | QCHECKMOD { $$ = qual_createCheckMod (); }
1152 | QUNCHECKED { $$ = qual_createUnchecked (); }
1153 | QCHECKEDSTRICT { $$ = qual_createCheckedStrict (); }
1156 : QOWNED { $$ = qual_createOwned (); }
1157 | QDEPENDENT { $$ = qual_createDependent (); }
1158 | QYIELD { $$ = qual_createYield (); }
1159 | QTEMP { $$ = qual_createTemp (); }
1160 | QONLY { $$ = qual_createOnly (); }
1161 | QKEEP { $$ = qual_createKeep (); }
1162 | QKEPT { $$ = qual_createKept (); }
1163 | QSHARED { $$ = qual_createShared (); }
1164 | QUNIQUE { $$ = qual_createUnique (); }
1165 | QNULL { $$ = qual_createNull (); }
1166 | QISNULL { $$ = qual_createIsNull (); }
1167 | QRELNULL { $$ = qual_createRelNull (); }
1168 | QNOTNULL { $$ = qual_createNotNull (); }
1169 | QEXPOSED { $$ = qual_createExposed (); }
1170 | QOBSERVER { $$ = qual_createObserver (); }
1171 | QNULLTERMINATED { $$ = qual_createNullTerminated (); }
1172 | CANNOTATION { $$ = qual_createMetaState ($1); }
1176 : QRETURNED { $$ = qual_createReturned (); }
1177 | QSEF { $$ = qual_createSef (); }
1180 : QUNUSED { $$ = qual_createUnused (); }
1181 | QEXTERNAL { $$ = qual_createExternal (); }
1184 : QTRUENULL { $$ = qual_createTrueNull (); }
1185 | QFALSENULL { $$ = qual_createFalseNull (); }
1188 : QABSTRACT { $$ = qual_createAbstract (); }
1189 | QCONCRETE { $$ = qual_createConcrete (); }
1190 | QMUTABLE { $$ = qual_createMutable (); }
1191 | QIMMUTABLE { $$ = qual_createImmutable (); }
1194 : QREFCOUNTED { $$ = qual_createRefCounted (); }
1195 | QREFS { $$ = qual_createRefs (); }
1196 | QKILLREF { $$ = qual_createKillRef (); }
1197 | QRELDEF { $$ = qual_createRelDef (); }
1198 | QNEWREF { $$ = qual_createNewRef (); }
1199 | QTEMPREF { $$ = qual_createTempRef (); }
1202 : QSHORT { $$ = qual_createShort (); }
1203 | QLONG { $$ = qual_createLong (); }
1204 | QSIGNED { $$ = qual_createSigned (); }
1205 | QUNSIGNED { $$ = qual_createUnsigned (); }
1208 : QOUT { $$ = qual_createOut (); }
1209 | QIN { $$ = qual_createIn (); }
1210 | QPARTIAL { $$ = qual_createPartial (); }
1211 | QSPECIAL { $$ = qual_createSpecial (); }
1214 : QCONST IsType { $$ = qual_createConst (); }
1215 | QVOLATILE IsType { $$ = qual_createVolatile (); }
1216 | definedQualifier IsType { $$ = $1; }
1217 | stateQualifier IsType { $$ = $1; }
1218 | exitsQualifier IsType { $$ = $1; }
1219 | paramQualifier IsType { $$ = $1; }
1220 | checkQualifier IsType { $$ = $1; }
1221 | returnQualifier IsType { $$ = $1; }
1222 | visibilityQualifier IsType { $$ = $1; }
1223 | typedefQualifier IsType { $$ = $1; }
1224 | refcountQualifier IsType { $$ = $1; }
1227 ** This is copied into the mtgrammar!
1237 | QANYTYPE NotType { $$ = ctype_makeAnytype (); }
1238 | QINTEGRALTYPE NotType { $$ = ctype_anyintegral; }
1239 | QUNSIGNEDINTEGRALTYPE NotType { $$ = ctype_unsignedintegral; }
1240 | QSIGNEDINTEGRALTYPE NotType { $$ = ctype_signedintegral; }
1244 | typeModifier NotType { $$ = ctype_fromQual ($1); }
1247 : IsType completeTypeSpecifier IsType
1248 { $$ = qtype_resolve ($2); }
1250 completeTypeSpecifier
1251 : completeTypeSpecifierAux { $$ = $1; }
1252 | completeTypeSpecifierAux QALT altType QENDMACRO
1253 { $$ = qtype_mergeAlt ($1, $3); }
1257 | typeExpression TCOMMA altType
1258 { $$ = qtype_mergeAlt ($1, $3); }
1260 completeTypeSpecifierAux
1261 : storageSpecifier optCompleteType { $$ = qtype_addQual ($2, $1); }
1262 | typeQualifier optCompleteType { $$ = qtype_addQual ($2, $1); }
1263 | typeSpecifier optCompleteType { $$ = qtype_combine ($2, $1); }
1266 : /* empty */ { $$ = qtype_unknown (); }
1267 | completeTypeSpecifier { $$ = $1; }
1271 : /* empty */ { $$ = constraintList_undefined; }
1272 /* don't want to have support for structure invariant until we're
1274 | QINVARIANT BufConstraintList QENDMACRO { $$ = $2 }
1278 : NotType CSTRUCT newId IsType TLBRACE { sRef_setGlobalScopeSafe (); }
1279 CreateStructInnerScope
1280 structDeclList DeleteStructInnerScope { sRef_clearGlobalScopeSafe (); }
1283 { ctype ct; ct = declareStruct ($3, $8); /* setGlobalStructInfo(ct, $12);*/ $$ = ct; }
1284 | NotType CUNION newId IsType TLBRACE { sRef_setGlobalScopeSafe (); }
1285 CreateStructInnerScope
1286 structDeclList DeleteStructInnerScope { sRef_clearGlobalScopeSafe (); }
1288 { $$ = declareUnion ($3, $8); }
1289 | NotType CSTRUCT newId IsType TLBRACE TRBRACE
1290 { $$ = declareStruct ($3, uentryList_new ()); }
1291 | NotType CUNION newId IsType TLBRACE TRBRACE
1292 { $$ = declareUnion ($3, uentryList_new ()); }
1293 | NotType CSTRUCT IsType TLBRACE { sRef_setGlobalScopeSafe (); }
1294 CreateStructInnerScope
1295 structDeclList DeleteStructInnerScope { sRef_clearGlobalScopeSafe (); }
1297 { $$ = declareUnnamedStruct ($7); }
1298 | NotType CUNION IsType TLBRACE { sRef_setGlobalScopeSafe (); }
1299 CreateStructInnerScope structDeclList DeleteStructInnerScope
1300 { sRef_clearGlobalScopeSafe (); }
1302 { $$ = declareUnnamedUnion ($7); }
1303 | NotType CSTRUCT IsType TLBRACE TRBRACE
1304 { $$ = ctype_createUnnamedStruct (uentryList_new ()); }
1305 | NotType CUNION IsType TLBRACE TRBRACE
1306 { $$ = ctype_createUnnamedUnion (uentryList_new ()); }
1307 | NotType CSTRUCT newId NotType { $$ = handleStruct ($3); }
1308 | NotType CUNION newId NotType { $$ = handleUnion ($3); }
1311 : { g_expectingTypeName = FALSE; }
1315 | macroDef { $$ = uentryList_undefined; /* bogus! */ }
1316 | structDeclList structDecl { $$ = uentryList_mergeFields ($1, $2); }
1319 : completeTypeSpecifier NotType structNamedDeclList IsType TSEMI
1320 { $$ = fixUentryList ($3, $1); }
1321 | completeTypeSpecifier IsType TSEMI
1322 { $$ = fixUnnamedDecl ($1); }
1325 : structNamedDecl NotType
1326 { $$ = idDeclList_singleton ($1); }
1327 | structNamedDeclList TCOMMA structNamedDecl NotType
1328 { $$ = idDeclList_add ($1, $3); }
1330 structNamedDecl /* hack to get around namespace problems */
1331 : namedDecl { $$ = $1; }
1332 | TCOLON IsType constantExpr { $$ = idDecl_undefined; }
1333 | namedDecl TCOLON IsType constantExpr { $$ = $1; }
1334 /* Need the IsType in case there is a cast in the constant expression. */
1337 : NotType CENUM TLBRACE enumeratorList TRBRACE IsType
1338 { $$ = declareUnnamedEnum ($4); }
1339 | NotType CENUM newId TLBRACE { context_pushLoc (); } enumeratorList TRBRACE IsType
1340 { context_popLoc (); $$ = declareEnum ($3, $6); }
1341 | NotType CENUM newId IsType { $$ = handleEnum ($3); }
1345 { $$ = enumNameList_single ($1); }
1346 | enumeratorList TCOMMA enumerator
1347 { $$ = enumNameList_push ($1, $3); }
1348 | enumeratorList TCOMMA
1352 { uentry ue = uentry_makeEnumConstant ($1, ctype_unknown);
1353 usymtab_supGlobalEntry (ue);
1356 | newId TASSIGN IsType constantExpr
1357 { uentry ue = uentry_makeEnumInitializedConstant ($1, ctype_unknown, $4);
1358 usymtab_supGlobalEntry (ue);
1364 | optAbstractDeclBase { $$ = idDecl_create (cstring_undefined, qtype_create ($1)); }
1365 | pointers TYPE_NAME
1367 qtype qt = qtype_unknown ();
1369 qtype_adjustPointers ($1, qt);
1370 $$ = idDecl_create (cstring_copy (LastIdentifier ()), qt);
1372 | pointers optNamedDecl
1373 { $$ = $2; qtype_adjustPointers ($1, idDecl_getTyp ($$)); }
1377 | pointers namedDeclBase
1378 { $$ = $2; qtype_adjustPointers ($1, idDecl_getTyp ($$)); }
1381 : paramTypeList { $$ = handleParamTypeList ($1); }
1382 | NotType paramIdList { $$ = handleParamIdList ($2); }
1385 : QCONST { /* ignored for now */; }
1390 | innerModsList innerMods { ; }
1394 | TMULT innerModsList { $$ = 1; }
1395 | TMULT pointers { $$ = 1 + $2; }
1396 | TMULT innerModsList pointers { $$ = 1 + $3; }
1400 | idList TCOMMA CTOK_ELIPSIS { $$ = uentryList_add ($1, uentry_makeElipsisMarker ()); }
1403 : newId { $$ = uentryList_single (uentry_makeVariableLoc ($1, ctype_int)); }
1404 | idList TCOMMA newId { $$ = uentryList_add ($1, uentry_makeVariableLoc ($3, ctype_int)); }
1407 : CTOK_ELIPSIS { $$ = uentryList_single (uentry_makeElipsisMarker ()); }
1409 | paramList TCOMMA CTOK_ELIPSIS { $$ = uentryList_add ($1, uentry_makeElipsisMarker ()); }
1412 : { storeLoc (); } paramDecl { $$ = uentryList_single ($2); }
1413 | paramList TCOMMA { storeLoc (); } paramDecl
1414 { $$ = uentryList_add ($1, $4); }
1417 : IsType completeTypeSpecifier optNamedDecl IsType
1419 if (isFlipOldStyle ())
1421 llparseerror (cstring_makeLiteral ("Inconsistent function parameter syntax (mixing old and new style declaration)"));
1427 $$ = makeCurrentParam (idDecl_fixParamBase ($3, $2));
1429 | newId /* its an old-style declaration */
1431 idDecl tparam = idDecl_create ($1, qtype_unknown ());
1435 llparseerror (message ("Inconsistent function parameter syntax: %q",
1436 idDecl_unparse (tparam)));
1440 $$ = makeCurrentParam (tparam);
1441 idDecl_free (tparam);
1446 | completeType abstractDecl { $$ = qtype_newBase ($1, $2); }
1449 : pointers { $$ = ctype_adjustPointers ($1, ctype_unknown); }
1451 | pointers abstractDeclBase { $$ = ctype_adjustPointers ($1, $2); }
1454 : /* empty */ { $$ = ctype_unknown; }
1458 : IsType TLPAREN NotType abstractDecl TRPAREN
1459 { $$ = ctype_expectFunction ($4); }
1460 | TLSQBR TRSQBR { $$ = ctype_makeArray (ctype_unknown); }
1461 | TLSQBR constantExpr TRSQBR
1462 { $$ = ctype_makeFixedArray (ctype_unknown, exprNode_getLongValue ($2)); }
1463 | abstractDeclBase TLSQBR TRSQBR { $$ = ctype_makeInnerArray ($1); }
1464 | abstractDeclBase TLSQBR constantExpr TRSQBR
1465 { $$ = ctype_makeInnerFixedArray ($1, exprNode_getLongValue ($3)); }
1466 | IsType TLPAREN TRPAREN
1467 { $$ = ctype_makeFunction (ctype_unknown, uentryList_makeMissingParams ()); }
1468 | IsType TLPAREN paramTypeList TRPAREN
1469 { $$ = ctype_makeParamsFunction (ctype_unknown, $3); }
1470 | abstractDeclBase IsType TLPAREN TRPAREN
1471 { $$ = ctype_makeFunction ($1, uentryList_makeMissingParams ()); }
1472 | abstractDeclBase IsType TLPAREN paramTypeList TRPAREN
1473 { $$ = ctype_makeParamsFunction ($1, $4); }
1490 : iterDefStmtList { $$ = $1; }
1497 | iterDefStmtList iterDefStmt
1498 { $$ = exprNode_concat ($1, $2); }
1500 iterDefIterationStmt
1501 : iterWhilePred iterDefStmtList
1502 { $$ = exprNode_while ($1, $2); }
1503 | doHeader stmtErr WHILE TLPAREN expr TRPAREN TSEMI
1504 { $$ = exprNode_doWhile ($2, $5); }
1505 | doHeader stmtErr WHILE TLPAREN expr TRPAREN
1506 { $$ = exprNode_doWhile ($2, $5); }
1507 | forPred iterDefStmt
1508 { $$ = exprNode_for ($1, $2); }
1511 : CFOR TLPAREN optExpr TSEMI optExpr TSEMI
1512 { context_setProtectVars (); } optExpr { context_sizeofReleaseVars (); }
1514 { $$ = exprNode_forPred ($3, $5, $8);
1515 context_enterForClause ($5); }
1518 : ITER_NAME CreateInnerScope TLPAREN
1519 { setProcessingIterVars ($1); }
1521 { $$ = exprNode_iterStart ($1, $5); }
1522 | ITER_ENDNAME { $$ = exprNode_createId ($1); }
1528 | openScope initializerList { $$ = $1; DPRINTF (("def stmt: %s", exprNode_unparse ($$))); }
1533 | iterDefIterationStmt
1536 | TLPAREN iterDefStmt TRPAREN { $$ = $2; }
1537 | error { $$ = exprNode_makeError (); }
1540 : ifPred { exprNode_checkIfPred ($1); } iterDefStmt
1541 { /* don't: context_exitTrueClause ($1, $2); */
1542 $$ = exprNode_if ($1, $3);
1546 : CreateInnerScope TLBRACE { $$ = exprNode_createTok ($2); }
1549 : DeleteInnerScopeSafe TRBRACE { $$ = exprNode_createTok ($2); }
1564 | TLPAREN stmtErr TRPAREN { $$ = exprNode_addParens ($1, $2); }
1566 | error { $$ = exprNode_makeError (); }
1569 : newId TCOLON { $$ = exprNode_labelMarker ($1); }
1570 | QNOTREACHED stmt { $$ = exprNode_notReached ($2); }
1573 ** We allow more than one QFALLTHROUGH token to support mixed lint/splint markers.
1576 optExtraFallThroughs
1578 | QFALLTHROUGH optExtraFallThroughs { ; }
1580 /* Note that we can semantically check that the object to the case is
1581 indeed constant. In this case, we may not want to go through this effort */
1584 : CASE constantExpr { context_enterCaseClause ($2); }
1585 TCOLON { $$ = exprNode_caseMarker ($2, FALSE); }
1586 | QFALLTHROUGH optExtraFallThroughs CASE constantExpr { context_enterCaseClause ($4); }
1587 TCOLON { $$ = exprNode_caseMarker ($4, TRUE); }
1590 : DEFAULT { context_enterCaseClause (exprNode_undefined); }
1591 TCOLON { $$ = exprNode_defaultMarker ($1, FALSE); }
1592 | QFALLTHROUGH optExtraFallThroughs DEFAULT { context_enterCaseClause (exprNode_undefined); }
1593 TCOLON { $$ = exprNode_defaultMarker ($3, TRUE); }
1596 : TLPAREN compoundStmt TRPAREN { $$ = $2; }
1597 | CreateInnerScope compoundStmtAux
1598 { $$ = $2; context_exitInner ($2); }
1601 : CreateInnerScope compoundStmtAuxErr DeleteInnerScope { $$ = $2; }
1604 : { context_enterInnerContext (); }
1607 : { context_exitInnerPlain (); }
1609 CreateStructInnerScope
1610 : { context_enterStructInnerContext (); }
1612 DeleteStructInnerScope
1613 : { context_exitStructInnerContext (); }
1615 DeleteInnerScopeSafe
1616 : { context_exitInnerSafe (); }
1619 : TRBRACE { $$ = exprNode_createTok ($1); }
1620 | QNOTREACHED TRBRACE { $$ = exprNode_notReached (exprNode_createTok ($2)); }
1621 | stmtList TRBRACE { $$ = exprNode_updateLocation ($1, lltok_getLoc ($2)); }
1622 | stmtList QNOTREACHED TRBRACE
1623 { $$ = exprNode_notReached (exprNode_updateLocation ($1, lltok_getLoc ($3))); }
1624 | initializerList TRBRACE { $$ = exprNode_updateLocation ($1, lltok_getLoc ($2)); }
1625 | initializerList QNOTREACHED TRBRACE
1626 { $$ = exprNode_notReached (exprNode_updateLocation ($1, lltok_getLoc ($3))); }
1627 | initializerList stmtList TRBRACE
1628 { $$ = exprNode_updateLocation (exprNode_concat ($1, $2), lltok_getLoc ($3)); }
1629 | initializerList stmtList QNOTREACHED TRBRACE
1630 { $$ = exprNode_notReached (exprNode_updateLocation (exprNode_concat ($1, $2),
1631 lltok_getLoc ($3)));
1635 : TLBRACE compoundStmtRest
1636 { $$ = exprNode_makeBlock ($2); }
1640 { $$ = exprNode_createTok ($2); }
1641 | TLBRACE stmtListErr TRBRACE
1642 { $$ = exprNode_updateLocation ($2, lltok_getLoc ($3)); }
1643 | TLBRACE initializerList TRBRACE
1644 { $$ = exprNode_updateLocation ($2, lltok_getLoc ($3)); }
1645 | TLBRACE initializerList stmtList TRBRACE
1646 { $$ = exprNode_updateLocation (exprNode_concat ($2, $3), lltok_getLoc ($4)); }
1650 | stmtListErr stmtErr { $$ = exprNode_concat ($1, $2); }
1653 : initializer { $$ = $1; }
1654 | initializerList initializer { $$ = exprNode_concat ($1, $2); }
1657 : typeInitializer { $$ = $1; }
1658 | typeInitializerList TCOMMA typeInitializer { $$ = exprNode_concat ($1, $3); }
1661 : assignExpr { $$ = $1; }
1662 | TLBRACE typeInitializerList optComma TRBRACE { $$ = $2; }
1666 | stmtList stmt { $$ = exprNode_concat ($1, $2); }
1669 : TSEMI { $$ = exprNode_createTok ($1); }
1670 | expr TSEMI { $$ = exprNode_statement ($1, $2); }
1673 : TSEMI { $$ = exprNode_createTok ($1); }
1674 | expr TSEMI { $$ = exprNode_statement ($1, $2); }
1675 | expr { $$ = exprNode_checkExpr ($1); }
1678 : CIF TLPAREN expr TRPAREN
1680 exprNode_produceGuards ($3); context_enterTrueClause ($3);
1681 exprNode_checkIfPred ($3);
1686 ** not ANSI: | CIF TLPAREN compoundStmt TRPAREN
1687 ** { $$ = $3; context_enterTrueClause (); }
1693 context_exitTrueClause ($1, $2);
1694 $$ = exprNode_if ($1, $2);
1696 | ifPred stmt CELSE { context_enterFalseClause ($1); } stmt
1698 context_exitClause ($1, $2, $5);
1699 $$ = exprNode_ifelse ($1, $2, $5);
1701 | SWITCH TLPAREN expr { context_enterSwitch ($3); }
1702 TRPAREN stmt { $$ = exprNode_switch ($3, $6); }
1705 : WHILE TLPAREN expr TRPAREN
1706 { $$ = exprNode_whilePred ($3); context_enterWhileClause ($3); }
1707 /* not ANSI: | WHILE TLPAREN compoundStmt TRPAREN stmt { $$ = exprNode_while ($3, $5); } */
1710 : WHILE TLPAREN expr TRPAREN { $$ = exprNode_whilePred($3); }
1713 : ITER_NAME { context_enterIterClause (); }
1714 CreateInnerScope TLPAREN { setProcessingIterVars ($1); }
1716 compoundStmt endIter DeleteInnerScope
1718 $$ = exprNode_iter ($1, $6, $8, $9);
1723 : iterArgExpr { $$ = exprNodeList_singleton ($1); }
1724 | iterArgList { nextIterParam (); } TCOMMA iterArgExpr
1725 { $$ = exprNodeList_push ($1, $4); }
1728 : assignIterExpr { $$ = exprNode_iterExpr ($1); }
1729 | id { $$ = exprNode_iterId ($1); }
1730 | TYPE_NAME_OR_ID { uentry ue = coerceIterId ($1);
1732 if (uentry_isValid (ue))
1734 $$ = exprNode_iterId (ue);
1738 $$ = exprNode_iterNewId (cstring_copy (LastIdentifier ()));
1741 | NEW_IDENTIFIER { $$ = exprNode_iterNewId ($1); }
1744 ** everything is the same, EXCEPT it cannot be a NEW_IDENTIFIER
1749 | cconstantExpr CCONSTANT { $$ = exprNode_combineLiterals ($1, $2); }
1753 | TLPAREN expr TRPAREN { $$ = exprNode_addParens ($1, $2); }
1757 | postfixExpr TLSQBR expr TRSQBR { $$ = exprNode_arrayFetch ($1, $3); }
1758 | postfixExpr TLPAREN TRPAREN { $$ = exprNode_functionCall ($1, exprNodeList_new ()); }
1759 | postfixExpr TLPAREN argumentExprList TRPAREN { $$ = exprNode_functionCall ($1, $3); }
1760 | VA_ARG TLPAREN assignExpr TCOMMA typeExpression TRPAREN
1761 { $$ = exprNode_vaArg ($1, $3, $5); }
1762 | postfixExpr NotType TDOT newId IsType { $$ = exprNode_fieldAccess ($1, $3, $4); }
1763 | postfixExpr NotType ARROW_OP newId IsType { $$ = exprNode_arrowAccess ($1, $3, $4); }
1764 | postfixExpr INC_OP { $$ = exprNode_postOp ($1, $2); }
1765 | postfixExpr DEC_OP { $$ = exprNode_postOp ($1, $2); }
1769 | INC_OP unaryExpr { $$ = exprNode_preOp ($2, $1); }
1770 | DEC_OP unaryExpr { $$ = exprNode_preOp ($2, $1); }
1771 | TAMPERSAND castExpr { $$ = exprNode_preOp ($2, $1); }
1772 | TMULT castExpr { $$ = exprNode_preOp ($2, $1); }
1773 | TPLUS castExpr { $$ = exprNode_preOp ($2, $1); }
1774 | TMINUS castExpr { $$ = exprNode_preOp ($2, $1); }
1775 | TTILDE castExpr { $$ = exprNode_preOp ($2, $1); }
1776 | TEXCL castExpr { $$ = exprNode_preOp ($2, $1); }
1777 | sizeofExpr { $$ = $1; }
1781 | TLPAREN typeExpression TRPAREN castExpr { $$ = exprNode_cast ($1, $4, $2); }
1785 | timesExpr TMULT castExpr { $$ = exprNode_op ($1, $3, $2); }
1786 | timesExpr TDIV castExpr { $$ = exprNode_op ($1, $3, $2); }
1787 | timesExpr TPERCENT castExpr { $$ = exprNode_op ($1, $3, $2); }
1791 | plusExpr TPLUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
1792 | plusExpr TMINUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
1796 | shiftExpr LEFT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
1797 | shiftExpr RIGHT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
1801 | relationalExpr TLT shiftExpr { $$ = exprNode_op ($1, $3, $2); }
1802 | relationalExpr TGT shiftExpr { $$ = exprNode_op ($1, $3, $2); }
1803 | relationalExpr LE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
1804 | relationalExpr GE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
1807 : relationalIterExpr
1808 | equalityExpr EQ_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
1809 | equalityExpr NE_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
1813 | bitandExpr TAMPERSAND equalityExpr { $$ = exprNode_op ($1, $3, $2); }
1817 | xorExpr TCIRC bitandExpr { $$ = exprNode_op ($1, $3, $2); }
1822 | bitorExpr TBAR xorExpr { $$ = exprNode_op ($1, $3, $2); }
1826 | andExpr AND_OP bitorExpr { $$ = exprNode_op ($1, $3, $2); }
1830 | orExpr OR_OP andExpr { $$ = exprNode_op ($1, $3, $2); }
1834 | orExpr TQUEST { context_enterTrueClause ($1); }
1835 expr TCOLON { context_enterFalseClause ($1); } conditionalExpr
1836 { $$ = exprNode_cond ($1, $4, $7); }
1839 : conditionalIterExpr
1840 | unaryExpr TASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1841 | unaryExpr MUL_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1842 | unaryExpr DIV_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1843 | unaryExpr MOD_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1844 | unaryExpr ADD_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1845 | unaryExpr SUB_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1846 | unaryExpr LEFT_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1847 | unaryExpr RIGHT_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1848 | unaryExpr AND_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1849 | unaryExpr XOR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1850 | unaryExpr OR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
1853 : ITER_ENDNAME { $$ = $1; }
1854 | /* empty */ { $$ = uentry_undefined; }
1857 : DO { context_enterDoWhileClause (); $$ = $1; }
1861 { $$ = exprNode_while ($1, $2); context_exitWhileClause ($1, $2); }
1862 | doHeader stmt WHILE TLPAREN expr TRPAREN TSEMI
1863 { $$ = exprNode_statement (exprNode_doWhile ($2, $5), $7); }
1865 { $$ = exprNode_for ($1, $2); context_exitForClause ($1, $2); }
1868 : whilePred stmtErr { $$ = exprNode_while ($1, $2); context_exitWhileClause ($1, $2); }
1869 | doHeader stmtErr WHILE TLPAREN expr TRPAREN TSEMI
1870 { $$ = exprNode_statement (exprNode_doWhile ($2, $5), $7); }
1871 | doHeader stmtErr WHILE TLPAREN expr TRPAREN
1872 { $$ = exprNode_doWhile ($2, $5); }
1873 | forPred stmtErr { $$ = exprNode_for ($1, $2); context_exitForClause ($1, $2); }
1876 : GOTO newId TSEMI { $$ = exprNode_goto ($2); }
1877 | CONTINUE TSEMI { $$ = exprNode_continue ($1, BADTOK); }
1878 | QINNERCONTINUE CONTINUE TSEMI
1879 { $$ = exprNode_continue ($1, QINNERCONTINUE); }
1880 | BREAK TSEMI { $$ = exprNode_break ($1, BADTOK); }
1881 | QSWITCHBREAK BREAK TSEMI { $$ = exprNode_break ($2, QSWITCHBREAK); }
1882 | QLOOPBREAK BREAK TSEMI { $$ = exprNode_break ($2, QLOOPBREAK); }
1883 | QINNERBREAK BREAK TSEMI { $$ = exprNode_break ($2, QINNERBREAK); }
1884 | QSAFEBREAK BREAK TSEMI { $$ = exprNode_break ($2, QSAFEBREAK); }
1885 | RETURN TSEMI { $$ = exprNode_nullReturn ($1); }
1886 | RETURN expr TSEMI { $$ = exprNode_return ($2); }
1901 | ITER_NAME { $$ = uentry_getName ($1); }
1902 | ITER_ENDNAME { $$ = uentry_getName ($1); }
1903 | id { $$ = uentry_getName ($1); }
1904 | TYPE_NAME_OR_ID { $$ = $1; }
1908 | TYPE_NAME_OR_ID { $$ = ctype_unknown; }
1909 | CTYPEOF TLPAREN expr TRPAREN { $$ = exprNode_getType ($3); exprNode_free ($3); }
1910 | CTYPEOF TLPAREN typeExpression TRPAREN { $$ = qtype_getType ($3); }
1914 /*@-redecl@*/ /*@-namechecks@*/
1915 extern char *yytext;
1916 /*@=redecl@*/ /*@=namechecks@*/
1918 # include "bison.reset"
1920 void yyerror (/*@unused@*/ char *s)
1922 static bool givehint = FALSE;
1924 if (context_inIterDef ())
1926 llerror (FLG_SYNTAX, message ("Iter syntax not parseable: %s",
1927 context_inFunctionName ()));
1929 else if (context_inIterEnd ())
1931 llerror (FLG_SYNTAX, message ("Iter finalizer syntax not parseable: %s",
1932 context_inFunctionName ()));
1934 else if (context_inMacro ())
1936 llerror (FLG_SYNTAX, message ("Macro syntax not parseable: %s",
1937 context_inFunctionName ()));
1939 if (context_inUnknownMacro ())
1943 llhint (cstring_makeLiteral
1944 ("Precede macro definition with /*@notfunction@*/ "
1945 "to suppress checking and force expansion"));
1951 context_exitAllClausesQuiet ();
1955 llparseerror (cstring_undefined);