/*;-*-C-*-;
-** Copyright (c) Massachusetts Institute of Technology 1994-1998.
-** All Rights Reserved.
-** Unpublished rights reserved under the copyright laws of
-** the United States.
+** Splint - annotation-assisted static program checker
+** Copyright (C) 1994-2003 University of Virginia,
+** Massachusetts Institute of Technology
**
-** THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
-** OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
+** This program is free software; you can redistribute it and/or modify it
+** under the terms of the GNU General Public License as published by the
+** Free Software Foundation; either version 2 of the License, or (at your
+** option) any later version.
+**
+** This program is distributed in the hope that it will be useful, but
+** WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+**
+** The GNU General Public License is available from http://www.gnu.org/ or
+** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+** MA 02111-1307, USA.
**
-** This code is distributed freely and may be used freely under the
-** following conditions:
-**
-** 1. This notice may not be removed or altered.
-**
-** 2. Works derived from this code are not distributed for
-** commercial gain without explicit permission from MIT
-** (for permission contact lclint-request@sds.lcs.mit.edu).
+** For information on splint: info@splint.org
+** To report a bug: splint-bug@splint.org
+** For more information: http://www.splint.org
*/
%{
/*
**
** cgrammar.y
**
-** Yacc/Bison grammar for extended ANSI C used by LCLint.
+** Yacc/Bison grammar for extended ANSI C used by Splint.
**
** original grammar by Nate Osgood ---
** hacrat@catfish.lcs.mit.edu Mon Jun 14 13:06:32 1993
**
-** changes for LCLint --- handle typedef names correctly
+** changes for Splint --- handle typedef names correctly
** fix struct/union parsing bug (empty struct is accepted)
** add productions to handle macros --- require
** error correction --- main source of conflicts in grammar.
/*@=allmacros@*/
extern int yylex ();
-extern void swallowMacro (void);
extern void yyerror (char *);
-# include "lclintMacros.nf"
+# include "splintMacros.nf"
# include "basic.h"
+# include "cscanner.h"
+# include "cscannerHelp.h"
# include "cgrammar.h"
# include "exprChecks.h"
/*@only@*/ modifiesClause modsclause;
/*@only@*/ warnClause warnclause;
/*@only@*/ stateClause stateclause;
+ /*@only@*/ pointers pointers;
+ /*@only@*/ functionConstraint fcnconstraint;
+
+ /*@only@*/ metaStateConstraint msconstraint;
+ /*@only@*/ metaStateSpecifier msspec;
+ /*@only@*/ metaStateExpression msexpr;
+ /*@observer@*/ metaStateInfo msinfo;
/*@only@*/ sRefList srlist;
/*@only@*/ globSet globset;
/*@only@*/ uentry oentry;
/*@only@*/ exprNode expr;
/*@only@*/ enumNameList enumnamelist;
- /*@only@*/ exprNodeList alist;
+ /*@only@*/ exprNodeList exprlist;
/*@only@*/ sRefSet srset;
/*@only@*/ cstringList cstringlist;
+
/*drl
added 1/19/2001
*/
%token <tok> TSEMI TLBRACE TRBRACE TCOMMA TCOLON TASSIGN TLPAREN
%token <tok> TRPAREN TLSQBR TRSQBR TDOT TAMPERSAND TEXCL TTILDE
%token <tok> TMINUS TPLUS TMULT TDIV TPERCENT TLT TGT TCIRC TBAR TQUEST
-%token <tok> CSIZEOF CALIGNOF ARROW_OP CTYPEDEF COFFSETOF
+%token <tok> CSIZEOF CALIGNOF CTYPEOF ARROW_OP CTYPEDEF COFFSETOF
%token <tok> INC_OP DEC_OP LEFT_OP RIGHT_OP
%token <tok> LE_OP GE_OP EQ_OP NE_OP AND_OP OR_OP
%token <tok> MUL_ASSIGN DIV_ASSIGN MOD_ASSIGN ADD_ASSIGN SUB_ASSIGN
%token <tok> QSETS
%token <tok> QRELEASES
%token <tok> QPRECLAUSE
-%token <tok> QPOSTCLAUSE
+%token <tok> QPOSTCLAUSE
+%token <tok> QINVARIANT
%token <tok> QALT
%token <tok> QUNDEF QKILLED
%token <tok> QENDMACRO
-/* additional tokens introduced by lclint pre-processor. */
+/* additional tokens introduced by splint pre-processor. */
%token <tok> LLMACRO LLMACROITER LLMACROEND TENDMACRO
+/* For debugging purposes */
+%token <tok> QDREVEALSTATE
+
/* break comments: */
%token <tok> QSWITCHBREAK QLOOPBREAK QINNERBREAK QSAFEBREAK
%token <tok> QINNERCONTINUE
%token <tok> QNOTREACHED
/* type qualifiers: */
-%token <tok> QCONST QVOLATILE QINLINE QEXTENSION QEXTERN QSTATIC QAUTO QREGISTER
+%token <tok> QCONST QRESTRICT QVOLATILE QINLINE QEXTENSION QEXTERN QSTATIC QAUTO QREGISTER
%token <tok> QOUT QIN QYIELD QONLY QTEMP QSHARED QREF QUNIQUE
%token <tok> QCHECKED QUNCHECKED QCHECKEDSTRICT QCHECKMOD
%token <tok> QKEEP QKEPT QPARTIAL QSPECIAL QOWNED QDEPENDENT
%token <tok> QRETURNED QEXPOSED QNULL QOBSERVER QISNULL
%token <tok> QEXITS QMAYEXIT QNEVEREXIT QTRUEEXIT QFALSEEXIT
%token <tok> QLONG QSIGNED QUNSIGNED QSHORT QUNUSED QSEF QNOTNULL QRELNULL
-%token <tok> QABSTRACT QCONCRETE QMUTABLE QIMMUTABLE
+%token <tok> QABSTRACT QNUMABSTRACT QCONCRETE QMUTABLE QIMMUTABLE
%token <tok> QTRUENULL QFALSENULL QEXTERNAL
%token <tok> QREFCOUNTED QREFS QNEWREF QTEMPREF QKILLREF QRELDEF
%token <ctyp> CGCHAR CBOOL CINT CGFLOAT CDOUBLE CVOID
%token <tok> QANYTYPE QINTEGRALTYPE QUNSIGNEDINTEGRALTYPE QSIGNEDINTEGRALTYPE
-%type <typequal> nullterminatedQualifier
%token <tok> QNULLTERMINATED
%token <tok> QSETBUFFERSIZE
%token <tok> QSETSTRINGLENGTH
%type <entry> endIter
%type <funcclauselist> functionClauses functionClausesPlain
-%type <funcclause> functionClause functionClause functionClausePlain
+%type <funcclause> functionClause functionClausePlain
%type <globsclause> globalsClause globalsClausePlain
%type <modsclause> modifiesClause modifiesClausePlain nomodsClause
-%type <warnclause> warnClause warnClausePlain
+%type <warnclause> warnClause warnClausePlain optWarnClause
%type <funcclause> conditionClause conditionClausePlain
%type <stateclause> stateClause stateClausePlain
+%type <msconstraint> metaStateConstraint
+%type <fcnconstraint> functionConstraint
+%type <msspec> metaStateSpecifier
+%type <msexpr> metaStateExpression
%type <sr> globId globIdListExpr
%type <globset> globIdList
%token <ctyp> TYPE_NAME
+%token <msinfo> METASTATE_NAME
+%type <msinfo> metaStateName
%type <cname> enumerator newId /*@-varuse@*/ /* yacc declares yytranslate here */
-%type <count> pointers /*@=varuse@*/
+%type <pointers> pointers /*@=varuse@*/
%type <tok> doHeader stateTag conditionTag startConditionClause
%type <typequal> exitsQualifier checkQualifier stateQualifier
%type <ntyplist> structNamedDeclList
%type <entrylist> genericParamList paramTypeList paramList idList paramIdList
-%type <alist> argumentExprList iterArgList
-%type <alist> initList
+%type <exprlist> argumentExprList iterArgList
+%type <exprlist> initList namedInitializerList namedInitializerListAux namedInitializerTypeList namedInitializerTypeListAux
%type <flist> structDeclList structDecl
%type <srset> locModifies modList specClauseList optSpecClauseList
%type <sr> mExpr modListExpr specClauseListExpr
/*drl*/
-%type <con> BufConstraint
+%type <con> BufConstraint
%type <tok> relationalOp
%type <tok> BufBinaryOp
%type <tok> bufferModifier
%type <conE> BufConstraintTerm
%type <sr> BufConstraintSrefExpr
-%type <conL> BufConstraintList
+%type <conL> BufConstraintList
+
+%type <conL> optStructInvariant
%type <tok> BufUnaryOp
+/*drl 1/6/2002 either /\ or && */
+%type <tok> constraintSeperator
+
%type <enumnamelist> enumeratorList
%type <cstringlist> fieldDesignator
%type <expr> sizeofExpr sizeofExprAux offsetofExpr
%type <expr> openScope closeScope
-%type <expr> instanceDecl namedInitializer optDeclarators
+%type <expr> instanceDecl namedInitializer optDeclarators namedInitializerType
%type <expr> primaryExpr postfixExpr primaryIterExpr postfixIterExpr
%type <expr> unaryExpr castExpr timesExpr plusExpr
%type <expr> unaryIterExpr castIterExpr timesIterExpr plusIterExpr
%type <expr> orIterExpr conditionalIterExpr assignIterExpr iterArgExpr
%type <expr> expr optExpr constantExpr
%type <expr> init macroBody iterBody endBody partialIterStmt iterSelectionStmt
-%type <expr> stmt stmtList fcnBody iterStmt iterDefStmt iterDefStmtList
+%type <expr> stmt stmtList fcnBody iterStmt iterDefStmt iterDefStmtList debugStmt
%type <expr> labeledStmt caseStmt defaultStmt
%type <expr> compoundStmt compoundStmtAux compoundStmtRest compoundStmtAuxErr
%type <expr> expressionStmt selectionStmt iterationStmt jumpStmt iterDefIterationStmt
%type <expr> stmtErr stmtListErr compoundStmtErr expressionStmtErr
-%type <expr> iterationStmtErr initializerList initializer ifPred whilePred forPred iterWhilePred
+%type <expr> iterationStmtErr initializerList typeInitializerList initializer
+%type <expr> ifPred whilePred forPred iterWhilePred typeInitializer
+
+%type <expr> designator designatorList designation
-%type <typequal> storageSpecifier typeQualifier typeModifier globQual
-%type <tquallist> optGlobQuals
+%type <typequal> storageSpecifier typeQualifier typeModifier globQual innerMods
+%type <tquallist> optGlobQuals innerModsList
%type <qtyp> completeType completeTypeSpecifier optCompleteType
%type <qtyp> completeTypeSpecifierAux altType typeExpression
-/*%type <expr> lclintassertion*/
%start file
file
:
| externalDefs
+ ;
externalDefs
- : externalDef
- | externalDefs externalDef
+ : externalDef { context_checkGlobalScope (); }
+ | externalDefs externalDef { context_checkGlobalScope (); }
+ ;
externalDef
: fcnDef optSemi { uentry_clearDecl (); }
| iterDecl { uentry_clearDecl (); }
| macroDef { uentry_clearDecl (); }
| initializer { uentry_checkDecl (); exprNode_free ($1); }
+ | TSEMI { uentry_clearDecl (); lltok_free ($1); /* evans 2002-02-08: okay to have a null statement */ }
| error { uentry_clearDecl (); }
+ ;
constantDecl
: QCONSTANT completeTypeSpecifier NotType namedDecl NotType optSemi IsType QENDMACRO
- { checkConstant ($2, $4); }
+ { checkConstant ($2, $4); lltok_free2 ($1, $8); }
| QCONSTANT completeTypeSpecifier NotType namedDecl NotType TASSIGN IsType init optDeclarators optSemi QENDMACRO
- { checkValueConstant ($2, $4, $8) ; }
+ { checkValueConstant ($2, $4, $8); lltok_free3 ($1, $6, $11); }
+;
fcnDecl
: QFUNCTION { context_enterFunctionHeader (); } plainFcn optSemi QENDMACRO
{
declareStaticFunction ($3); context_quietExitFunction ();
context_exitFunctionHeader ();
+ lltok_free2 ($1, $5); /*!*/
}
+;
plainFcn
: plainNamedDecl
}
| completeTypeSpecifier NotType plainNamedDecl
{ $$ = idDecl_fixBase ($3, $1); }
+;
plainNamedDecl
: plainNamedDeclBase
| pointers plainNamedDeclBase
{ $$ = $2; qtype_adjustPointers ($1, idDecl_getTyp ($$)); }
+;
namedDeclBase
: newId { $$ = idDecl_create ($1, qtype_unknown ()); }
| IsType TLPAREN NotType namedDecl IsType TRPAREN
- { $$ = idDecl_expectFunction ($4); }
+ { $$ = idDecl_expectFunction ($4); lltok_free2 ($2, $6); }
| namedDeclBase TLSQBR TRSQBR
- { $$ = idDecl_replaceCtype ($1, ctype_makeArray (idDecl_getCtype ($1))); }
+ { $$ = idDecl_replaceCtype ($1, ctype_makeInnerArray (idDecl_getCtype ($1))); lltok_free2 ($2, $3); }
| namedDeclBase TLSQBR IsType constantExpr TRSQBR NotType
- {
- $$ = idDecl_replaceCtype ($1, ctype_makeFixedArray (idDecl_getCtype ($1), exprNode_getLongValue ($4)));
+ {
+ exprNode_findValue ($4);
+ idDecl_notExpectingFunction ($1);
+
+ if (exprNode_hasValue ($4))
+ {
+ $$ = idDecl_replaceCtype ($1, ctype_makeInnerFixedArray (idDecl_getCtype ($1),
+ exprNode_getLongValue ($4)));
+ }
+ else
+ {
+ $$ = idDecl_replaceCtype ($1, ctype_makeInnerArray (idDecl_getCtype ($1)));
+ }
+
+ lltok_free2 ($2, $5);
}
| namedDeclBase PushType TLPAREN TRPAREN
{ setCurrentParams (uentryList_missingParams); }
functionClauses
{ /* need to support globals and modifies here! */
+ functionClauseList fcl;
ctype ct = ctype_makeFunction (idDecl_getCtype ($1),
uentryList_makeMissingParams ());
$$ = idDecl_replaceCtype ($1, ct);
- idDecl_addClauses ($$, $6);
- context_popLoc ();
+
+ /*drl 7/25/01 added*/
+ setImplicitfcnConstraints();
+
+ DPRINTF((message("namedDeclBase PushType TLPAREN TRPAREN...:\n adding implict constraints to functionClause List: %s",
+ functionClauseList_unparse($6)
+ )
+ ));
+
+ fcl = functionClauseList_setImplicitConstraints($6);
+
+ idDecl_addClauses ($$, fcl);
+
+ DPRINTF((message("1 added fuctionClause List: %s to the Id",
+ functionClauseList_unparse(fcl)
+ )
+ ));
+
+
+ context_popLoc ();
+ lltok_free2 ($3, $4);
}
| namedDeclBase PushType TLPAREN genericParamList TRPAREN
{ setCurrentParams ($4); }
functionClauses
- { setImplictfcnConstraints ();
+ {
+ functionClauseList fcl;
+ setImplicitfcnConstraints ();
clearCurrentParams ();
$$ = idDecl_replaceCtype ($1, ctype_makeFunction (idDecl_getCtype ($1), $4));
- idDecl_addClauses ($$, $7);
+
+ DPRINTF((message("namedDeclBase PushType TLPAREN genericParamList TRPAREN...:\n adding implict constraints to functionClause List: %s",
+ functionClauseList_unparse($7)
+ )
+ )) ;
+
+ fcl = functionClauseList_setImplicitConstraints($7);
+
+ idDecl_addClauses ($$, fcl);
+
+ DPRINTF((message("added fuctionClause List: %s to the Id",
+ functionClauseList_unparse(fcl)
+ )
+ ));
+
+
context_popLoc ();
+ lltok_free2 ($3, $5);
}
+;
plainNamedDeclBase
: newId { $$ = idDecl_create ($1, qtype_unknown ()); }
| IsType TLPAREN NotType plainNamedDecl IsType TRPAREN
- { $$ = idDecl_expectFunction ($4); }
+ { $$ = idDecl_expectFunction ($4); lltok_free2 ($2, $6); }
| plainNamedDeclBase TLSQBR TRSQBR
- { $$ = idDecl_replaceCtype ($1, ctype_makeArray (idDecl_getCtype ($1))); }
+ { $$ = idDecl_replaceCtype ($1, ctype_makeInnerArray (idDecl_getCtype ($1)));
+ lltok_free2 ($2, $3);
+ }
| plainNamedDeclBase TLSQBR IsType constantExpr TRSQBR NotType
{
int value;
value = 0;
}
- $$ = idDecl_replaceCtype ($1, ctype_makeFixedArray (idDecl_getCtype ($1), value));
+ $$ = idDecl_replaceCtype ($1, ctype_makeInnerFixedArray (idDecl_getCtype ($1), value));
+ lltok_free2 ($2, $5);
}
| plainNamedDeclBase PushType TLPAREN TRPAREN
{ setCurrentParams (uentryList_missingParams); }
$$ = idDecl_replaceCtype ($1, ct);
idDecl_addClauses ($$, $6);
context_popLoc ();
+ lltok_free2 ($3, $4);
}
| plainNamedDeclBase PushType TLPAREN genericParamList TRPAREN
{ setCurrentParams ($4); }
$$ = idDecl_replaceCtype ($1, ctype_makeFunction (idDecl_getCtype ($1), $4));
idDecl_addClauses ($$, $7);
context_popLoc ();
+ lltok_free ($3);
+ /*!! lltok_free2 ($3, $5); */
}
+;
iterDecl
: QITER newId TLPAREN genericParamList TRPAREN
{ setCurrentParams ($4); } functionClausesPlain
{ clearCurrentParams (); } optSemi QENDMACRO
- { declareCIter ($2, $4); }
+ { declareCIter ($2, $4);
+ lltok_free3 ($1, $3, $5);
+ }
+;
macroDef
- : LLMACRO macroBody TENDMACRO { exprNode_checkMacroBody ($2); }
- | LLMACROITER iterBody TENDMACRO { exprNode_checkIterBody ($2); }
- | LLMACROEND endBody TENDMACRO { exprNode_checkIterEnd ($2); }
- | LLMACRO TENDMACRO /* no stmt */ { exprChecks_checkEmptyMacroBody (); }
+ : LLMACRO macroBody TENDMACRO { exprNode_checkMacroBody ($2); lltok_free2 ($1, $3); }
+ | LLMACROITER iterBody TENDMACRO { exprNode_checkIterBody ($2); lltok_free2 ($1, $3); }
+ | LLMACROEND endBody TENDMACRO { exprNode_checkIterEnd ($2); lltok_free2 ($1, $3);}
+ | LLMACRO TENDMACRO /* no stmt */ { exprChecks_checkEmptyMacroBody (); lltok_free2 ($1, $2); }
+;
fcnDefHdr
- : fcnDefHdrAux { clabstract_declareFunction ($1); }
+ : fcnDefHdrAux { clabstract_declareFunction ($1); }
+;
+
+metaStateConstraint
+ : metaStateSpecifier TASSIGN metaStateExpression
+ { $$ = metaStateConstraint_create ($1, $3); lltok_free ($2); }
+;
+
+metaStateSpecifier
+ : BufConstraintSrefExpr { cscannerHelp_expectingMetaStateName (); } TCOLON metaStateName
+ { cscannerHelp_clearExpectingMetaStateName ();
+ $$ = metaStateSpecifier_create ($1, $4);
+ lltok_free ($3);
+ }
+ | CTOK_ELIPSIS { cscannerHelp_expectingMetaStateName (); } TCOLON metaStateName
+ { cscannerHelp_clearExpectingMetaStateName ();
+ $$ = metaStateSpecifier_createElipsis ($4);
+ lltok_free2 ($1, $3);
+ }
+;
+
+metaStateExpression
+: metaStateSpecifier { $$ = metaStateExpression_create ($1); }
+| metaStateSpecifier TBAR metaStateExpression { $$ = metaStateExpression_createMerge ($1, $3); lltok_free ($2); }
+;
+
+metaStateName
+: METASTATE_NAME
+;
/*drl*/
+constraintSeperator
+: TCAND
+| AND_OP
+;
+
BufConstraintList
-: BufConstraint TCAND BufConstraintList { $$ = constraintList_add ($3, $1); }
-| BufConstraint {constraintList c; c = constraintList_makeNew(); c = constraintList_add (c, $1); $$ = c}
+: BufConstraint constraintSeperator BufConstraintList { $$ = constraintList_add ($3, $1); }
+| BufConstraint { $$ = constraintList_single ($1); }
+;
BufConstraint
: BufConstraintExpr relationalOp BufConstraintExpr {
$$ = makeConstraintParse3 ($1, $2, $3);
DPRINTF(("Done BufConstraint1\n")); }
+;
bufferModifier
: QMAXSET
| QMAXREAD
+;
relationalOp
: GE_OP
| LE_OP
| EQ_OP
+;
BufConstraintExpr
: BufConstraintTerm
| TLPAREN BufConstraintExpr BufBinaryOp BufConstraintExpr TRPAREN {
DPRINTF( ("Got BufConstraintExpr BINary Op ") );
$$ = constraintExpr_parseMakeBinaryOp ($2, $3, $4); }
+;
BufConstraintTerm
-: BufConstraintSrefExpr { $$ = constraintExpr_makeTermsRef($1);}
- | CCONSTANT { char *t; int c;
- t = cstring_toCharsSafe (exprNode_unparse($1));
- c = atoi( t );
- $$ = constraintExpr_makeIntLiteral (c);
-}
-
+ : BufConstraintSrefExpr { $$ = constraintExpr_makeTermsRef ($1);}
+ | CCONSTANT { $$ = constraintExpr_makeIntLiteral (exprNode_getLongValue ($1)); }
+;
BufConstraintSrefExpr
-: id { /*@-onlytrans@*/ $$ = checkbufferConstraintClausesId ($1); /*@=onlytrans@*/ /*@i523@*/ }
-| NEW_IDENTIFIER { $$ = fixStateClausesId ($1); }
-| BufConstraintSrefExpr TLSQBR TRSQBR { $$ = sRef_makeAnyArrayFetch ($1); }
-| BufConstraintSrefExpr TLSQBR CCONSTANT TRSQBR {
- char *t; int c;
- t = cstring_toCharsSafe (exprNode_unparse($3)); /*@i5234 yuck!@*/
- c = atoi( t );
- $$ = sRef_makeArrayFetchKnown($1, c); }
-| TMULT BufConstraintSrefExpr { $$ = sRef_constructPointer ($2); }
-| TLPAREN BufConstraintSrefExpr TRPAREN { $$ = $2; }
-| BufConstraintSrefExpr TDOT newId { cstring_markOwned ($3);
- $$ = sRef_buildField ($1, $3); }
-| BufConstraintSrefExpr ARROW_OP newId { cstring_markOwned ($3);
- $$ = sRef_makeArrow ($1, $3); }
+: id
+ { /*@-onlytrans@*/ $$ = checkbufferConstraintClausesId ($1); /*@=onlytrans@*/ /*@i523@*/ }
+| NEW_IDENTIFIER
+ { $$ = fixStateClausesId ($1); }
+| BufConstraintSrefExpr TLSQBR TRSQBR
+ { $$ = sRef_makeAnyArrayFetch ($1); }
+| BufConstraintSrefExpr TLSQBR CCONSTANT TRSQBR
+ {
+ /*
+ char *t; int c;
+ t = cstring_toCharsSafe (exprNode_unparse($3));
+ c = atoi( t );
+ */
+ $$ = sRef_makeArrayFetchKnown ($1, exprNode_getLongValue ($3));
+ }
+| TMULT BufConstraintSrefExpr
+ { $$ = sRef_constructPointer ($2); }
+| TLPAREN BufConstraintSrefExpr TRPAREN
+ { $$ = $2; }
+| BufConstraintSrefExpr TDOT newId
+ { cstring_markOwned ($3); $$ = sRef_buildField ($1, $3); }
+| BufConstraintSrefExpr ARROW_OP newId
+ { cstring_markOwned ($3); $$ = sRef_makeArrow ($1, $3); }
/*
| BufConstraintTerm TLSQBR TRSQBR { $$ = sRef_makeAnyArrayFetch ($1); }
| specClauseListExpr TDOT newId { cstring_markOwned ($3);
$$ = sRef_buildField ($1, $3); }
*/
+;
/*BufConstraintExpr
: BufConstraintTerm
: { $$ = functionClauseList_new (); }
| functionClause functionClauses
{ $$ = functionClauseList_prepend ($2, $1); }
+;
/*
** Inside macro definitions, there are no end macros.
{ $$ = functionClauseList_new (); }
| functionClausePlain functionClausesPlain
{ $$ = functionClauseList_prepend ($2, $1); }
+;
functionClause
: globalsClause { $$ = functionClause_createGlobals ($1); }
| stateClause { $$ = functionClause_createState ($1); }
| conditionClause { $$ = $1; }
| warnClause { $$ = functionClause_createWarn ($1); }
+;
functionClausePlain
: globalsClausePlain { $$ = functionClause_createGlobals ($1); }
| stateClausePlain { $$ = functionClause_createState ($1); }
| conditionClausePlain { $$ = $1; }
| warnClausePlain { $$ = functionClause_createWarn ($1); }
+;
globalsClause
: globalsClausePlain QENDMACRO { $$ = $1; }
+;
globalsClausePlain
: QGLOBALS { setProcessingGlobalsList (); }
unsetProcessingGlobals ();
$$ = globalsClause_create ($1, $3);
}
+;
nomodsClause
: QNOMODS { $$ = modifiesClause_createNoMods ($1); }
+;
modifiesClause
: modifiesClausePlain QENDMACRO { $$ = $1; }
+;
modifiesClausePlain
: QMODIFIES
context_releaseVars ();
$$ = modifiesClause_create ($1, $3);
}
+;
flagSpec
: flagId
{ $$ = flagSpec_createPlain ($1); }
| flagId TBAR flagSpec
{ $$ = flagSpec_createOr ($1, $3); }
+;
flagId
: NEW_IDENTIFIER
+;
+
+optWarnClause
+ : warnClause
+ | /* empty */ { $$ = warnClause_undefined; }
+;
warnClause
: warnClausePlain QENDMACRO { $$ = $1; }
+;
warnClausePlain
: QWARN flagSpec cconstantExpr
- { $$ = warnClause_create ($1, $2, $3); }
+ {
+ llassert (exprNode_knownStringValue ($3));
+ $$ = warnClause_create ($1, $2, cstring_copy (multiVal_forceString (exprNode_getValue ($3))));
+ exprNode_free ($3);
+ }
| QWARN flagSpec
- { $$ = warnClause_create ($1, $2, exprNode_undefined); }
+ { $$ = warnClause_create ($1, $2, cstring_undefined); }
+;
globIdList
: globIdListExpr { $$ = globSet_single ($1); }
| globIdList TCOMMA globIdListExpr { $$ = globSet_insert ($1, $3); }
+;
globIdListExpr
: optGlobQuals globId { $$ = clabstract_createGlobal ($2, $1); }
+;
optGlobQuals
: /* empty */ { $$ = qualList_undefined; }
| globQual optGlobQuals { $$ = qualList_add ($2, $1); }
+;
globId
: id { $$ = uentry_getSref ($1); }
| NEW_IDENTIFIER { $$ = clabstract_unrecognizedGlobal ($1); }
| initializer { $$ = clabstract_checkGlobal ($1); }
+;
globQual
: QUNDEF { $$ = qual_createUndef (); }
| QOUT { $$ = qual_createOut (); }
| QIN { $$ = qual_createIn (); }
| QPARTIAL { $$ = qual_createPartial (); }
+;
stateTag
: QDEFINES
| QALLOCATES
| QSETS
| QRELEASES
+;
conditionTag
: QPRECLAUSE
| QPOSTCLAUSE
+;
fcnDefHdrAux
: namedDecl
{
- qtype qint = qtype_create (ctype_int);
+ /**!!! deal with fred; fred (int); declarations! **/
+ qtype qint = qtype_create (ctype_int);
$$ = idDecl_fixBase ($1, qint);
qtype_free (qint);
}
| completeTypeSpecifier NotType namedDecl
{ $$ = idDecl_fixBase ($3, $1); }
+;
fcnBody
: TLBRACE { checkDoneParams (); context_enterInnerContext (); }
exprNode_checkFunctionBody ($3); $$ = $3;
context_exitInner ($3);
}
- | initializerList
- { doneParams (); context_enterInnerContext (); }
+ | { context_enterOldStyleScope (); } initializerList
+ { oldStyleDoneParams (); context_enterInnerContext (); }
compoundStmt
{
- context_exitInner ($3);
- exprNode_checkFunctionBody ($3);
- $$ = $3; /* old style */
+ exprNode_checkFunctionBody ($4);
+ $$ = $4; /* oldstyle */
+ context_exitInner ($4);
}
+;
fcnDef
: fcnDefHdr fcnBody
{
context_setFunctionDefined (exprNode_loc ($2));
- exprNode_checkFunction (context_getHeader (), $2);
+ exprNode_checkFunction (context_getHeader (), $2);
/* DRL 8 8 2000 */
context_exitFunction ();
}
+;
locModifies
: modList optSemi { $$ = $1; }
| optSemi { $$ = sRefSet_new (); }
+;
modListExpr
: id { $$ = uentry_getSref ($1); checkModifiesId ($1); }
| NEW_IDENTIFIER { $$ = fixModifiesId ($1); }
+ | TYPE_NAME_OR_ID { $$ = fixModifiesId ($1); }
| modListExpr TLSQBR TRSQBR { $$ = modListArrayFetch ($1, sRef_undefined); }
| modListExpr TLSQBR mExpr TRSQBR { $$ = modListArrayFetch ($1, $3); }
| TMULT modListExpr { $$ = modListPointer ($2); }
| TLPAREN modListExpr TRPAREN { $$ = $2; }
| modListExpr TDOT newId { $$ = modListFieldAccess ($1, $3); }
| modListExpr ARROW_OP newId { $$ = modListArrowAccess ($1, $3); }
-
+;
mExpr
: modListExpr { $$ = $1; }
| cconstantExpr { $$ = sRef_makeUnknown (); /* sRef_makeConstant ($1); ? */ }
/* arithmetic? */
+;
modList
: modListExpr { $$ = sRefSet_single ($1); }
| modList TCOMMA modListExpr { $$ = sRefSet_insert ($1, $3); }
+;
specClauseListExpr
: id
$$ = sRef_buildField ($1, $3); }
| specClauseListExpr ARROW_OP newId { cstring_markOwned ($3);
$$ = sRef_makeArrow ($1, $3); }
+;
optSpecClauseList
- : /* empty */ { $$ = sRefSet_undefined }
+ : /* empty */ { DPRINTF ((message("Empty optSpecClauseList") )); $$ = sRefSet_undefined }
| specClauseList
+ ;
specClauseList
: specClauseListExpr
{ if (sRef_isValid ($1)) { $$ = sRefSet_single ($1); }
- else { $$ = sRefSet_undefined; }
+ else {
+ DPRINTF((message("returning sRefSEt_undefined ") ));
+ $$ = sRefSet_undefined; }
}
| specClauseList TCOMMA specClauseListExpr
{ if (sRef_isValid ($3))
$$ = $1;
}
}
+;
primaryExpr
: id { $$ = exprNode_fromIdentifier ($1); }
| NEW_IDENTIFIER { $$ = exprNode_fromUIO ($1); }
| cconstantExpr
| TLPAREN expr TRPAREN { $$ = exprNode_addParens ($1, $2); }
- | TYPE_NAME_OR_ID { $$ = exprNode_fromIdentifier (coerceId ($1)); }
+ | TYPE_NAME_OR_ID { $$ = exprNode_fromIdentifier (cscannerHelp_coerceId ($1)); }
| QEXTENSION { $$ = exprNode_makeError (); }
+ | TLPAREN { exprChecks_inCompoundStatementExpression (); }
+ compoundStmt TRPAREN
+ { exprChecks_leaveCompoundStatementExpression (); $$ = exprNode_compoundStatementExpression ($1, $3); }
+;
postfixExpr
: primaryExpr
| postfixExpr NotType ARROW_OP newId IsType { $$ = exprNode_arrowAccess ($1, $3, $4); }
| postfixExpr INC_OP { $$ = exprNode_postOp ($1, $2); }
| postfixExpr DEC_OP { $$ = exprNode_postOp ($1, $2); }
-
+ | TLPAREN typeExpression TRPAREN TLBRACE typeInitializerList optComma TRBRACE
+ { /* added for C99 */ $$ = exprNode_undefined; /*@i87 no checking */ }
+;
+
argumentExprList
: assignExpr { $$ = exprNodeList_singleton ($1); }
| argumentExprList TCOMMA assignExpr { $$ = exprNodeList_push ($1, $3); }
+;
unaryExpr
: postfixExpr
| TMINUS castExpr { $$ = exprNode_preOp ($2, $1); }
| TTILDE castExpr { $$ = exprNode_preOp ($2, $1); }
| TEXCL castExpr { $$ = exprNode_preOp ($2, $1); }
- | sizeofExpr { $$ = $1; }
+ | processSizeof sizeofExpr endprocessSizeof { $$ = $2; }
| offsetofExpr { $$ = $1; }
+;
fieldDesignator
- : fieldDesignator TDOT newId { $$ = cstringList_add ($1, $3); }
- | newId { $$ = cstringList_single ($1); }
+ : fieldDesignator TDOT newId { $$ = cstringList_add ($1, $3); lltok_free ($2); }
+ | fieldDesignator TLSQBR expr TRSQBR { $$ = $1; lltok_free2 ($2, $4); }
+ /* evans 2002-07-02: offsetof designators can use array indexes */
+ | newId { $$ = cstringList_single ($1); }
+;
offsetofExpr
: COFFSETOF IsType TLPAREN typeExpression NotType TCOMMA fieldDesignator TRPAREN IsType
- { $$ = exprNode_offsetof ($4, $7); }
+ { $$ = exprNode_offsetof ($4, $7);
+ lltok_free3 ($1, $3, $6); lltok_free ($8); }
+;
sizeofExpr
: IsType { context_setProtectVars (); }
sizeofExprAux { context_sizeofReleaseVars (); $$ = $3; }
+;
+
+processSizeof: {context_enterSizeof()};
+
+
+endprocessSizeof: {context_leaveSizeof()};
+
sizeofExprAux
- : CSIZEOF TLPAREN typeExpression TRPAREN { $$ = exprNode_sizeofType ($3); }
- | CSIZEOF unaryExpr { $$ = exprNode_sizeofExpr ($2); }
- | CALIGNOF TLPAREN typeExpression TRPAREN { $$ = exprNode_alignofType ($3); }
- | CALIGNOF unaryExpr { $$ = exprNode_alignofExpr ($2); }
-
+ : CSIZEOF TLPAREN typeExpression TRPAREN { $$ = exprNode_sizeofType ($3); lltok_free3 ($1, $2, $4); }
+ | CSIZEOF unaryExpr { $$ = exprNode_sizeofExpr ($2); lltok_free ($1); }
+ | CALIGNOF TLPAREN typeExpression TRPAREN { $$ = exprNode_alignofType ($3); lltok_free3 ($1, $2, $4); }
+ | CALIGNOF unaryExpr { $$ = exprNode_alignofExpr ($2); lltok_free ($1); }
+;
+
+
+
castExpr
: unaryExpr
| TLPAREN typeExpression TRPAREN castExpr
- { $$ = exprNode_cast ($1, $4, $2); }
+ { $$ = exprNode_cast ($1, $4, $2); lltok_free ($3); }
+;
timesExpr
: castExpr
| timesExpr TMULT castExpr { $$ = exprNode_op ($1, $3, $2); }
| timesExpr TDIV castExpr { $$ = exprNode_op ($1, $3, $2); }
| timesExpr TPERCENT castExpr { $$ = exprNode_op ($1, $3, $2); }
+;
plusExpr
: timesExpr
| plusExpr TPLUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
| plusExpr TMINUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
+;
shiftExpr
: plusExpr
| shiftExpr LEFT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
| shiftExpr RIGHT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
+;
relationalExpr
: shiftExpr
| relationalExpr TGT shiftExpr { $$ = exprNode_op ($1, $3, $2); }
| relationalExpr LE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
| relationalExpr GE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
+;
equalityExpr
: relationalExpr
| equalityExpr EQ_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
| equalityExpr NE_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
+;
bitandExpr
: equalityExpr
| bitandExpr TAMPERSAND equalityExpr { $$ = exprNode_op ($1, $3, $2); }
+;
xorExpr
: bitandExpr
bitorExpr
: xorExpr
| bitorExpr TBAR xorExpr { $$ = exprNode_op ($1, $3, $2); }
+;
andExpr
: bitorExpr
$$ = exprNode_op ($1, $4, $2);
context_exitAndClause ($$, $4);
}
+;
orExpr
: andExpr
$$ = exprNode_op ($1, $4, $2);
context_exitOrClause ($$, $4);
}
+;
conditionalExpr
: orExpr
+ | orExpr TQUEST
+ { /* GCC extension: conditional with empty if */
+ exprNode_produceGuards ($1); context_enterTrueClause ($1); } TCOLON
+ { context_enterFalseClause ($1); } conditionalExpr
+ { $$ = exprNode_condIfOmit ($1, $6); context_exitClause ($1, exprNode_undefined, $6); }
| orExpr TQUEST { exprNode_produceGuards ($1); context_enterTrueClause ($1); } expr TCOLON
{ context_enterFalseClause ($1); } conditionalExpr
{ $$ = exprNode_cond ($1, $4, $7); context_exitClause ($1, $4, $7); }
+;
assignExpr
: conditionalExpr
| unaryExpr AND_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
| unaryExpr XOR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
| unaryExpr OR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
+;
expr
: assignExpr
| expr TCOMMA assignExpr { $$ = exprNode_comma ($1, $3); }
+;
optExpr
: /* empty */ { $$ = exprNode_undefined; }
| expr
+ ;
constantExpr
: conditionalExpr
+;
/* instance_orTypeDecl_and_possible_initialization */
: instanceDecl { $$ = $1; }
| VA_DCL { doVaDcl (); $$ = exprNode_makeError (); }
| typeDecl { $$ = exprNode_makeError (); }
+;
instanceDecl
: completeTypeSpecifier IsType TSEMI
- { $$ = exprNode_makeError (); }
- /*
+ { $$ = exprNode_makeError (); }
+ /*
** This causes r/r conflicts with function definitions.
** Instead we need to snarf one first. (gack)
**
{ $$ = exprNode_concat ($9, exprNode_makeInitialization ($3, $8));
unsetProcessingVars ();
}
+;
+
+namedInitializerType
+ : namedInitializer { $$ = $1; }
+ | TYPE_NAME { $$ = exprNode_fromIdentifier (usymtab_getTypeEntry (ctype_typeId ($1))); }
+;
namedInitializer
: namedDecl NotType
}
| namedDecl NotType TASSIGN { processNamedDecl ($1); } IsType init
{ $$ = exprNode_makeInitialization ($1, $6); }
+;
typeDecl
: CTYPEDEF completeTypeSpecifier { setProcessingTypedef ($2); }
- NotType namedInitializerList IsType TSEMI { unsetProcessingTypedef (); }
+ NotType namedInitializerTypeList IsType optWarnClause TSEMI
+ { clabstract_declareType ($5, $7); }
| CTYPEDEF completeTypeSpecifier IsType TSEMI { /* in the ANSI grammar, semantics unclear */ }
| CTYPEDEF namedInitializerList IsType TSEMI { /* in the ANSI grammar, semantics unclear */ }
+;
IsType
- : { g_expectingTypeName = TRUE; }
+ : { cscannerHelp_setExpectingTypeName (); }
+;
PushType
- : { g_expectingTypeName = TRUE; context_pushLoc (); }
+ : { cscannerHelp_setExpectingTypeName (); context_pushLoc (); }
+;
namedInitializerList
- : namedInitializerListAux IsType { ; }
+ : namedInitializerListAux IsType { $$ = $1; }
+;
namedInitializerListAux
- : namedInitializer { ; }
- | namedInitializerList TCOMMA NotType namedInitializer { ; }
+ : namedInitializer { $$ = exprNodeList_singleton ($1); }
+ | namedInitializerList TCOMMA NotType namedInitializer { $$ = exprNodeList_push ($1, $4); }
+;
+
+namedInitializerTypeList
+ : namedInitializerTypeListAux IsType { $$ = $1; }
+;
+
+namedInitializerTypeListAux
+ : namedInitializerType { $$ = exprNodeList_singleton ($1); }
+ | namedInitializerTypeList TCOMMA NotType namedInitializerType { $$ = exprNodeList_push ($1, $4); }
+;
optDeclarators
: /* empty */ { $$ = exprNode_makeError (); }
| optDeclarators TCOMMA NotType namedInitializer { $$ = exprNode_concat ($1, $4); }
+;
init
: assignExpr
- | TLBRACE initList TRBRACE { $$ = exprNode_makeInitBlock ($1, $2); }
- | TLBRACE initList TCOMMA TRBRACE { $$ = exprNode_makeInitBlock ($1, $2); }
+ | TLBRACE initList TRBRACE { $$ = exprNode_makeInitBlock ($1, $2); lltok_free ($3); }
+ | TLBRACE initList TCOMMA TRBRACE { $$ = exprNode_makeInitBlock ($1, $2); lltok_free2 ($3, $4); }
+ | designation init { $$ = exprNode_undefined; }
+;
+/*
+** Splint parses these (added in ISO C99), but no checking yet...
+*/
+
+designation
+ : designatorList TASSIGN { $$ = $1; }
+ | newId TCOLON { $$ = exprNode_undefined;
+ /* gcc extension, obsolete since 2.5 */ }
+;
+
+designatorList
+ : designator { $$ = exprNode_undefined; }
+ | designatorList designator { $$ = exprNode_undefined; }
+;
+
+designator
+ : TLSQBR constantExpr TRSQBR { $$ = exprNode_undefined; }
+ | TDOT newId { $$ = exprNode_undefined; }
+;
initList
: init
{ $$ = exprNodeList_singleton ($1); }
| initList TCOMMA init
{ $$ = exprNodeList_push ($1, $3); }
+;
/*
** need to do the storage class global hack so tags are
| QSTATIC { setStorageClass (SCSTATIC); $$ = qual_createStatic (); }
| QAUTO { $$ = qual_createAuto (); }
| QREGISTER { $$ = qual_createRegister (); }
-
-nullterminatedQualifier:
- QNULLTERMINATED IsType { $$ = qual_createNullTerminated (); }
+;
stateClause
: stateClausePlain QENDMACRO { $$ = $1; }
+;
stateClausePlain
: stateTag NotType
context_releaseVars ();
$$ = stateClause_createPlain ($1, $4);
}
+;
conditionClause
: conditionClausePlain QENDMACRO { $$ = $1; }
+;
startConditionClause
: conditionTag NotType { $$ = $1; context_enterFunctionHeader (); }
+;
conditionClausePlain
: startConditionClause stateQualifier
enterParamsTemp ();
sRef_setGlobalScopeSafe ();
}
- BufConstraintList optSemi IsType
+ functionConstraint optSemi IsType
{
context_exitFunctionHeader ();
exitParamsTemp ();
{
BADBRANCH;
}
+
+ DPRINTF (("FunctionclauseS: %s", functionClause_unparse ($$)));
}
+;
+
+functionConstraint
+ : BufConstraintList { $$ = functionConstraint_createBufferConstraint ($1); }
+ | metaStateConstraint { $$ = functionConstraint_createMetaStateConstraint ($1); DPRINTF (("Made constraint: %s", functionConstraint_unparse ($$))); }
+;
exitsQualifier
: QEXITS { $$ = qual_createExits (); }
| QTRUEEXIT { $$ = qual_createTrueExit (); }
| QFALSEEXIT { $$ = qual_createFalseExit (); }
| QNEVEREXIT { $$ = qual_createNeverExit (); }
+;
checkQualifier
: QCHECKED { $$ = qual_createChecked (); }
| QCHECKMOD { $$ = qual_createCheckMod (); }
| QUNCHECKED { $$ = qual_createUnchecked (); }
| QCHECKEDSTRICT { $$ = qual_createCheckedStrict (); }
+;
stateQualifier
: QOWNED { $$ = qual_createOwned (); }
| QNOTNULL { $$ = qual_createNotNull (); }
| QEXPOSED { $$ = qual_createExposed (); }
| QOBSERVER { $$ = qual_createObserver (); }
+ | QNULLTERMINATED { $$ = qual_createNullTerminated (); }
| CANNOTATION { $$ = qual_createMetaState ($1); }
+;
paramQualifier
: QRETURNED { $$ = qual_createReturned (); }
| QSEF { $$ = qual_createSef (); }
+;
visibilityQualifier
: QUNUSED { $$ = qual_createUnused (); }
| QEXTERNAL { $$ = qual_createExternal (); }
+;
returnQualifier
: QTRUENULL { $$ = qual_createTrueNull (); }
| QFALSENULL { $$ = qual_createFalseNull (); }
+;
typedefQualifier
: QABSTRACT { $$ = qual_createAbstract (); }
+ | QNUMABSTRACT { $$ = qual_createNumAbstract (); }
| QCONCRETE { $$ = qual_createConcrete (); }
| QMUTABLE { $$ = qual_createMutable (); }
| QIMMUTABLE { $$ = qual_createImmutable (); }
+;
refcountQualifier
: QREFCOUNTED { $$ = qual_createRefCounted (); }
| QRELDEF { $$ = qual_createRelDef (); }
| QNEWREF { $$ = qual_createNewRef (); }
| QTEMPREF { $$ = qual_createTempRef (); }
+;
typeModifier
: QSHORT { $$ = qual_createShort (); }
| QLONG { $$ = qual_createLong (); }
| QSIGNED { $$ = qual_createSigned (); }
| QUNSIGNED { $$ = qual_createUnsigned (); }
+;
definedQualifier
: QOUT { $$ = qual_createOut (); }
| QIN { $$ = qual_createIn (); }
| QPARTIAL { $$ = qual_createPartial (); }
| QSPECIAL { $$ = qual_createSpecial (); }
+;
typeQualifier
: QCONST IsType { $$ = qual_createConst (); }
| QVOLATILE IsType { $$ = qual_createVolatile (); }
+ | QRESTRICT IsType { $$ = qual_createRestrict (); }
| definedQualifier IsType { $$ = $1; }
| stateQualifier IsType { $$ = $1; }
| exitsQualifier IsType { $$ = $1; }
| visibilityQualifier IsType { $$ = $1; }
| typedefQualifier IsType { $$ = $1; }
| refcountQualifier IsType { $$ = $1; }
+;
/*
** This is copied into the mtgrammar!
| CGFLOAT NotType
| CDOUBLE NotType
| CVOID NotType
- | QANYTYPE NotType { $$ = ctype_unknown; }
+ | QANYTYPE NotType { $$ = ctype_makeAnytype (); }
| QINTEGRALTYPE NotType { $$ = ctype_anyintegral; }
| QUNSIGNEDINTEGRALTYPE NotType { $$ = ctype_unsignedintegral; }
| QSIGNEDINTEGRALTYPE NotType { $$ = ctype_signedintegral; }
| typeName NotType
| suSpc NotType
| enumSpc NotType
- | typeModifier NotType { $$ = ctype_fromQual ($1); }
+ | typeModifier NotType { $$ = ctype_fromQual ($1); }
+;
completeType
: IsType completeTypeSpecifier IsType
{ $$ = qtype_resolve ($2); }
+;
completeTypeSpecifier
: completeTypeSpecifierAux { $$ = $1; }
| completeTypeSpecifierAux QALT altType QENDMACRO
{ $$ = qtype_mergeAlt ($1, $3); }
+;
altType
: typeExpression
| typeExpression TCOMMA altType
{ $$ = qtype_mergeAlt ($1, $3); }
+;
completeTypeSpecifierAux
: storageSpecifier optCompleteType { $$ = qtype_addQual ($2, $1); }
| typeQualifier optCompleteType { $$ = qtype_addQual ($2, $1); }
| typeSpecifier optCompleteType { $$ = qtype_combine ($2, $1); }
+;
optCompleteType
: /* empty */ { $$ = qtype_unknown (); }
| completeTypeSpecifier { $$ = $1; }
+;
+
+optStructInvariant
+: /* empty */ { $$ = constraintList_undefined; }
+/* drl commenting before a CVS commit
+ | QINVARIANT BufConstraintList QENDMACRO { $$ = $2 }
+*/
+;
suSpc
: NotType CSTRUCT newId IsType TLBRACE { sRef_setGlobalScopeSafe (); }
CreateStructInnerScope
- structDeclList DeleteStructInnerScope { sRef_clearGlobalScopeSafe (); }
+ structDeclList DeleteStructInnerScope { sRef_clearGlobalScopeSafe (); }
TRBRACE
- { $$ = declareStruct ($3, $8); }
+ optStructInvariant
+ { ctype ct; ct = declareStruct ($3, $8); /* context_setGlobalStructInfo(ct, $12); */ $$ = ct; }
| NotType CUNION newId IsType TLBRACE { sRef_setGlobalScopeSafe (); }
CreateStructInnerScope
structDeclList DeleteStructInnerScope { sRef_clearGlobalScopeSafe (); }
TRBRACE
{ $$ = declareUnnamedStruct ($7); }
| NotType CUNION IsType TLBRACE { sRef_setGlobalScopeSafe (); }
- CreateStructInnerScope
- structDeclList DeleteStructInnerScope { sRef_clearGlobalScopeSafe (); }
+ CreateStructInnerScope structDeclList DeleteStructInnerScope
+ { sRef_clearGlobalScopeSafe (); }
TRBRACE
{ $$ = declareUnnamedUnion ($7); }
| NotType CSTRUCT IsType TLBRACE TRBRACE
{ $$ = ctype_createUnnamedStruct (uentryList_new ()); }
- | NotType CUNION IsType TLBRACE TRBRACE
+ | NotType CUNION IsType TLBRACE TRBRACE
{ $$ = ctype_createUnnamedUnion (uentryList_new ()); }
| NotType CSTRUCT newId NotType { $$ = handleStruct ($3); }
- | NotType CUNION newId NotType { $$ = handleUnion ($3); }
+ | NotType CUNION newId NotType { $$ = handleUnion ($3); }
+;
NotType
- : { g_expectingTypeName = FALSE; }
+: { cscannerHelp_clearExpectingTypeName (); }
+;
structDeclList
: structDecl
| macroDef { $$ = uentryList_undefined; /* bogus! */ }
| structDeclList structDecl { $$ = uentryList_mergeFields ($1, $2); }
+;
structDecl
: completeTypeSpecifier NotType structNamedDeclList IsType TSEMI
{ $$ = fixUentryList ($3, $1); }
| completeTypeSpecifier IsType TSEMI
{ $$ = fixUnnamedDecl ($1); }
+;
structNamedDeclList
: structNamedDecl NotType
{ $$ = idDeclList_singleton ($1); }
| structNamedDeclList TCOMMA structNamedDecl NotType
{ $$ = idDeclList_add ($1, $3); }
+;
structNamedDecl /* hack to get around namespace problems */
: namedDecl { $$ = $1; }
| TCOLON IsType constantExpr { $$ = idDecl_undefined; }
| namedDecl TCOLON IsType constantExpr { $$ = $1; }
/* Need the IsType in case there is a cast in the constant expression. */
+;
enumSpc
: NotType CENUM TLBRACE enumeratorList TRBRACE IsType
| NotType CENUM newId TLBRACE { context_pushLoc (); } enumeratorList TRBRACE IsType
{ context_popLoc (); $$ = declareEnum ($3, $6); }
| NotType CENUM newId IsType { $$ = handleEnum ($3); }
+;
enumeratorList
: enumerator
| enumeratorList TCOMMA enumerator
{ $$ = enumNameList_push ($1, $3); }
| enumeratorList TCOMMA
+ ;
enumerator
: newId
usymtab_supGlobalEntry (ue);
$$ = $1;
}
+;
optNamedDecl
: namedDeclBase
| pointers TYPE_NAME
{
qtype qt = qtype_unknown ();
-
qtype_adjustPointers ($1, qt);
- $$ = idDecl_create (cstring_copy (LastIdentifier ()), qt);
+ $$ = idDecl_create (cstring_copy (cscannerHelp_observeLastIdentifier ()), qt);
}
| pointers optNamedDecl
{ $$ = $2; qtype_adjustPointers ($1, idDecl_getTyp ($$)); }
+;
namedDecl
: namedDeclBase
| pointers namedDeclBase
{ $$ = $2; qtype_adjustPointers ($1, idDecl_getTyp ($$)); }
+;
genericParamList
: paramTypeList { $$ = handleParamTypeList ($1); }
| NotType paramIdList { $$ = handleParamIdList ($2); }
+;
innerMods
- : QCONST { /* ignored for now */; }
- | QVOLATILE { ; }
+ : QCONST { $$ = qual_createConst (); }
+ | QRESTRICT { $$ = qual_createRestrict (); }
+ | QVOLATILE { $$ = qual_createVolatile (); }
+;
innerModsList
- : innerMods { ; }
- | innerModsList innerMods { ; }
+ : innerMods { $$ = qualList_single ($1); }
+ | innerModsList innerMods { $$ = qualList_add ($1, $2); }
+;
pointers
- : TMULT { $$ = 1; }
- | TMULT innerModsList { $$ = 1; }
- | TMULT pointers { $$ = 1 + $2; }
- | TMULT innerModsList pointers { $$ = 1 + $3; }
+ : TMULT { $$ = pointers_create ($1); }
+ | TMULT innerModsList { $$ = pointers_createMods ($1, $2); }
+ | TMULT pointers { $$ = pointers_extend (pointers_create ($1), $2); }
+ | TMULT innerModsList pointers { $$ = pointers_extend (pointers_createMods ($1, $2), $3); }
+;
paramIdList
: idList
| idList TCOMMA CTOK_ELIPSIS { $$ = uentryList_add ($1, uentry_makeElipsisMarker ()); }
+;
idList
: newId { $$ = uentryList_single (uentry_makeVariableLoc ($1, ctype_int)); }
| idList TCOMMA newId { $$ = uentryList_add ($1, uentry_makeVariableLoc ($3, ctype_int)); }
+;
paramTypeList
: CTOK_ELIPSIS { $$ = uentryList_single (uentry_makeElipsisMarker ()); }
| paramList
| paramList TCOMMA CTOK_ELIPSIS { $$ = uentryList_add ($1, uentry_makeElipsisMarker ()); }
+;
paramList
: { storeLoc (); } paramDecl { $$ = uentryList_single ($2); }
| paramList TCOMMA { storeLoc (); } paramDecl
{ $$ = uentryList_add ($1, $4); }
+;
paramDecl
: IsType completeTypeSpecifier optNamedDecl IsType
$$ = makeCurrentParam (tparam);
idDecl_free (tparam);
}
+;
typeExpression
: completeType
| completeType abstractDecl { $$ = qtype_newBase ($1, $2); }
+;
abstractDecl
: pointers { $$ = ctype_adjustPointers ($1, ctype_unknown); }
| abstractDeclBase
| pointers abstractDeclBase { $$ = ctype_adjustPointers ($1, $2); }
+;
optAbstractDeclBase
: /* empty */ { $$ = ctype_unknown; }
| abstractDeclBase
+ ;
abstractDeclBase
: IsType TLPAREN NotType abstractDecl TRPAREN
| TLSQBR TRSQBR { $$ = ctype_makeArray (ctype_unknown); }
| TLSQBR constantExpr TRSQBR
{ $$ = ctype_makeFixedArray (ctype_unknown, exprNode_getLongValue ($2)); }
- | abstractDeclBase TLSQBR TRSQBR { $$ = ctype_makeArray ($1); }
+ | abstractDeclBase TLSQBR TRSQBR { $$ = ctype_makeInnerArray ($1); }
| abstractDeclBase TLSQBR constantExpr TRSQBR
- { $$ = ctype_makeFixedArray ($1, exprNode_getLongValue ($3)); }
+ { $$ = ctype_makeInnerFixedArray ($1, exprNode_getLongValue ($3)); }
| IsType TLPAREN TRPAREN
{ $$ = ctype_makeFunction (ctype_unknown, uentryList_makeMissingParams ()); }
| IsType TLPAREN paramTypeList TRPAREN
{ $$ = ctype_makeFunction ($1, uentryList_makeMissingParams ()); }
| abstractDeclBase IsType TLPAREN paramTypeList TRPAREN
{ $$ = ctype_makeParamsFunction ($1, $4); }
+;
/* statement */
| iterationStmt
| iterStmt
| jumpStmt
-/* | lclintassertion {$$ = $1; printf ("Doing stmt lclintassertion\n"); }*/
-
-/*
-lclintassertion
- : QSETBUFFERSIZE id CCONSTANT QENDMACRO { printf(" QSETBUFFERSIZE id CCONSTANT HEllo World\n"); uentry_setBufferSize($2, $3); $$ = exprNode_createTok ($4);
- }
- | QSETSTRINGLENGTH id CCONSTANT QENDMACRO { printf(" QSETSTRINGLENGTH id CCONSTANT HEllo World\n"); uentry_setStringLength($2, $3); $$ = exprNode_createTok ($4);
- }
- | QTESTINRANGE id CCONSTANT QENDMACRO {printf(" QTESTINRANGE\n"); uentry_testInRange($2, $3); $$ = exprNode_createTok ($4);
- }
+ | debugStmt
+;
-/* | QSETBUFFERSIZE id id {$$ = $2; printf(" QSETBUFFERSIZE id id HEllo World\n");} */
+debugStmt
+ : QDREVEALSTATE TLPAREN expr TRPAREN { exprNode_revealState ($3); $$ = exprNode_undefined; }
+;
iterBody
: iterDefStmtList { $$ = $1; }
+;
endBody
: iterBody
+;
iterDefStmtList
: iterDefStmt
| iterDefStmtList iterDefStmt
{ $$ = exprNode_concat ($1, $2); }
+;
iterDefIterationStmt
: iterWhilePred iterDefStmtList
{ $$ = exprNode_doWhile ($2, $5); }
| forPred iterDefStmt
{ $$ = exprNode_for ($1, $2); }
+;
forPred
: CFOR TLPAREN optExpr TSEMI optExpr TSEMI
TRPAREN
{ $$ = exprNode_forPred ($3, $5, $8);
context_enterForClause ($5); }
+;
partialIterStmt
: ITER_NAME CreateInnerScope TLPAREN
iterArgList TRPAREN
{ $$ = exprNode_iterStart ($1, $5); }
| ITER_ENDNAME { $$ = exprNode_createId ($1); }
+;
iterDefStmt
: labeledStmt
| jumpStmt
| TLPAREN iterDefStmt TRPAREN { $$ = $2; }
| error { $$ = exprNode_makeError (); }
+;
iterSelectionStmt
- : ifPred iterDefStmt
+ : ifPred { exprNode_checkIfPred ($1); } iterDefStmt
{ /* don't: context_exitTrueClause ($1, $2); */
- $$ = exprNode_if ($1, $2);
+ $$ = exprNode_if ($1, $3);
}
+;
openScope
: CreateInnerScope TLBRACE { $$ = exprNode_createTok ($2); }
+;
closeScope
: DeleteInnerScopeSafe TRBRACE { $$ = exprNode_createTok ($2); }
+;
macroBody
: stmtErr
| stmtListErr
+;
stmtErr
: labeledStmt
| iterationStmtErr
| TLPAREN stmtErr TRPAREN { $$ = exprNode_addParens ($1, $2); }
| jumpStmt
+ | debugStmt
| error { $$ = exprNode_makeError (); }
+;
labeledStmt
: newId TCOLON { $$ = exprNode_labelMarker ($1); }
| QNOTREACHED stmt { $$ = exprNode_notReached ($2); }
+;
+
+/*
+** We allow more than one QFALLTHROUGH token to support mixed lint/splint markers.
+*/
+
+optExtraFallThroughs
+ : /* empty */ { ; }
+ | QFALLTHROUGH optExtraFallThroughs { ; }
+;
/* Note that we can semantically check that the object to the case is
indeed constant. In this case, we may not want to go through this effort */
caseStmt
: CASE constantExpr { context_enterCaseClause ($2); }
TCOLON { $$ = exprNode_caseMarker ($2, FALSE); }
- | QFALLTHROUGH CASE constantExpr { context_enterCaseClause ($3); }
- TCOLON { $$ = exprNode_caseMarker ($3, TRUE); }
+ | QFALLTHROUGH optExtraFallThroughs CASE constantExpr { context_enterCaseClause ($4); }
+ TCOLON { $$ = exprNode_caseMarker ($4, TRUE); }
+;
defaultStmt
: DEFAULT { context_enterCaseClause (exprNode_undefined); }
TCOLON { $$ = exprNode_defaultMarker ($1, FALSE); }
- | QFALLTHROUGH DEFAULT { context_enterCaseClause (exprNode_undefined); }
- TCOLON { $$ = exprNode_defaultMarker ($2, TRUE); }
+ | QFALLTHROUGH optExtraFallThroughs DEFAULT { context_enterCaseClause (exprNode_undefined); }
+ TCOLON { $$ = exprNode_defaultMarker ($3, TRUE); }
+;
compoundStmt
: TLPAREN compoundStmt TRPAREN { $$ = $2; }
| CreateInnerScope compoundStmtAux
{ $$ = $2; context_exitInner ($2); }
+;
compoundStmtErr
: CreateInnerScope compoundStmtAuxErr DeleteInnerScope { $$ = $2; }
+;
CreateInnerScope
: { context_enterInnerContext (); }
+;
DeleteInnerScope
: { context_exitInnerPlain (); }
+;
CreateStructInnerScope
: { context_enterStructInnerContext (); }
+;
DeleteStructInnerScope
: { context_exitStructInnerContext (); }
+;
DeleteInnerScopeSafe
: { context_exitInnerSafe (); }
+;
compoundStmtRest
: TRBRACE { $$ = exprNode_createTok ($1); }
{ $$ = exprNode_notReached (exprNode_updateLocation (exprNode_concat ($1, $2),
lltok_getLoc ($3)));
}
-
+;
compoundStmtAux
: TLBRACE compoundStmtRest
{ $$ = exprNode_makeBlock ($2); }
+;
compoundStmtAuxErr
: TLBRACE TRBRACE
{ $$ = exprNode_updateLocation ($2, lltok_getLoc ($3)); }
| TLBRACE initializerList stmtList TRBRACE
{ $$ = exprNode_updateLocation (exprNode_concat ($2, $3), lltok_getLoc ($4)); }
+;
stmtListErr
: stmtErr
| stmtListErr stmtErr { $$ = exprNode_concat ($1, $2); }
+;
initializerList
: initializer { $$ = $1; }
| initializerList initializer { $$ = exprNode_concat ($1, $2); }
+;
+
+typeInitializerList
+ : typeInitializer { $$ = $1; }
+ | typeInitializerList TCOMMA typeInitializer { $$ = exprNode_concat ($1, $3); }
+;
+
+typeInitializer
+ : assignExpr { $$ = $1; }
+ | TLBRACE typeInitializerList optComma TRBRACE { $$ = $2; }
+;
stmtList
: stmt { $$ = $1; }
| stmtList stmt { $$ = exprNode_concat ($1, $2); }
-
+;
+
expressionStmt
: TSEMI { $$ = exprNode_createTok ($1); }
| expr TSEMI { $$ = exprNode_statement ($1, $2); }
+;
expressionStmtErr
: TSEMI { $$ = exprNode_createTok ($1); }
| expr TSEMI { $$ = exprNode_statement ($1, $2); }
| expr { $$ = exprNode_checkExpr ($1); }
+;
ifPred
: CIF TLPAREN expr TRPAREN
- { $$ = $3; exprNode_produceGuards ($3); context_enterTrueClause ($3); }
+ {
+ exprNode_produceGuards ($3); context_enterTrueClause ($3);
+ exprNode_checkIfPred ($3);
+ $$ = $3;
+ }
+
/*
** not ANSI: | CIF TLPAREN compoundStmt TRPAREN
** { $$ = $3; context_enterTrueClause (); }
*/
+;
selectionStmt
: ifPred stmt
context_exitTrueClause ($1, $2);
$$ = exprNode_if ($1, $2);
}
- | ifPred stmt CELSE { context_enterFalseClause ($1); } stmt
+ | ifPred stmt CELSE { context_enterFalseClause ($1); } stmt
{
context_exitClause ($1, $2, $5);
$$ = exprNode_ifelse ($1, $2, $5);
}
| SWITCH TLPAREN expr { context_enterSwitch ($3); }
TRPAREN stmt { $$ = exprNode_switch ($3, $6); }
+;
whilePred
: WHILE TLPAREN expr TRPAREN
{ $$ = exprNode_whilePred ($3); context_enterWhileClause ($3); }
/* not ANSI: | WHILE TLPAREN compoundStmt TRPAREN stmt { $$ = exprNode_while ($3, $5); } */
+;
iterWhilePred
: WHILE TLPAREN expr TRPAREN { $$ = exprNode_whilePred($3); }
+;
iterStmt
: ITER_NAME { context_enterIterClause (); }
$$ = exprNode_iter ($1, $6, $8, $9);
}
+;
iterArgList
: iterArgExpr { $$ = exprNodeList_singleton ($1); }
| iterArgList { nextIterParam (); } TCOMMA iterArgExpr
{ $$ = exprNodeList_push ($1, $4); }
+;
iterArgExpr
: assignIterExpr { $$ = exprNode_iterExpr ($1); }
| id { $$ = exprNode_iterId ($1); }
- | TYPE_NAME_OR_ID { uentry ue = coerceIterId ($1);
+ | TYPE_NAME_OR_ID { uentry ue = cscannerHelp_coerceIterId ($1);
if (uentry_isValid (ue))
{
}
else
{
- $$ = exprNode_iterNewId (cstring_copy (LastIdentifier ()));
+ $$ = exprNode_iterNewId (cstring_copy (cscannerHelp_observeLastIdentifier ()));
}
}
| NEW_IDENTIFIER { $$ = exprNode_iterNewId ($1); }
+;
/*
** everything is the same, EXCEPT it cannot be a NEW_IDENTIFIER
cconstantExpr
: CCONSTANT
| cconstantExpr CCONSTANT { $$ = exprNode_combineLiterals ($1, $2); }
+;
primaryIterExpr
: cconstantExpr
| TLPAREN expr TRPAREN { $$ = exprNode_addParens ($1, $2); }
+;
postfixIterExpr
: primaryIterExpr
| postfixExpr NotType ARROW_OP newId IsType { $$ = exprNode_arrowAccess ($1, $3, $4); }
| postfixExpr INC_OP { $$ = exprNode_postOp ($1, $2); }
| postfixExpr DEC_OP { $$ = exprNode_postOp ($1, $2); }
+;
unaryIterExpr
: postfixIterExpr
| TTILDE castExpr { $$ = exprNode_preOp ($2, $1); }
| TEXCL castExpr { $$ = exprNode_preOp ($2, $1); }
| sizeofExpr { $$ = $1; }
+;
castIterExpr
: unaryIterExpr
| TLPAREN typeExpression TRPAREN castExpr { $$ = exprNode_cast ($1, $4, $2); }
+;
timesIterExpr
: castIterExpr
| timesExpr TMULT castExpr { $$ = exprNode_op ($1, $3, $2); }
| timesExpr TDIV castExpr { $$ = exprNode_op ($1, $3, $2); }
| timesExpr TPERCENT castExpr { $$ = exprNode_op ($1, $3, $2); }
+;
plusIterExpr
: timesIterExpr
| plusExpr TPLUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
| plusExpr TMINUS timesExpr { $$ = exprNode_op ($1, $3, $2); }
+;
shiftIterExpr
: plusIterExpr
| shiftExpr LEFT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
| shiftExpr RIGHT_OP plusExpr { $$ = exprNode_op ($1, $3, $2); }
+;
relationalIterExpr
: shiftIterExpr
| relationalExpr TGT shiftExpr { $$ = exprNode_op ($1, $3, $2); }
| relationalExpr LE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
| relationalExpr GE_OP shiftExpr { $$ = exprNode_op ($1, $3, $2); }
+;
equalityIterExpr
: relationalIterExpr
| equalityExpr EQ_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
| equalityExpr NE_OP relationalExpr { $$ = exprNode_op ($1, $3, $2); }
+;
bitandIterExpr
: equalityIterExpr
| bitandExpr TAMPERSAND equalityExpr { $$ = exprNode_op ($1, $3, $2); }
+;
xorIterExpr
: bitandIterExpr
bitorIterExpr
: xorIterExpr
| bitorExpr TBAR xorExpr { $$ = exprNode_op ($1, $3, $2); }
+;
andIterExpr
: bitorIterExpr
| andExpr AND_OP bitorExpr { $$ = exprNode_op ($1, $3, $2); }
+;
orIterExpr
: andIterExpr
| orExpr OR_OP andExpr { $$ = exprNode_op ($1, $3, $2); }
+;
conditionalIterExpr
: orIterExpr
+ | orExpr TQUEST { context_enterTrueClause ($1); }
+ TCOLON { context_enterFalseClause ($1); } conditionalExpr
+ { $$ = exprNode_condIfOmit ($1, $6); }
| orExpr TQUEST { context_enterTrueClause ($1); }
expr TCOLON { context_enterFalseClause ($1); } conditionalExpr
{ $$ = exprNode_cond ($1, $4, $7); }
+;
assignIterExpr
: conditionalIterExpr
| unaryExpr AND_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
| unaryExpr XOR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
| unaryExpr OR_ASSIGN assignExpr { $$ = exprNode_assign ($1, $3, $2); }
+;
endIter
: ITER_ENDNAME { $$ = $1; }
| /* empty */ { $$ = uentry_undefined; }
+;
doHeader
: DO { context_enterDoWhileClause (); $$ = $1; }
+;
iterationStmt
: whilePred stmt
{ $$ = exprNode_statement (exprNode_doWhile ($2, $5), $7); }
| forPred stmt
{ $$ = exprNode_for ($1, $2); context_exitForClause ($1, $2); }
+;
iterationStmtErr
: whilePred stmtErr { $$ = exprNode_while ($1, $2); context_exitWhileClause ($1, $2); }
| doHeader stmtErr WHILE TLPAREN expr TRPAREN
{ $$ = exprNode_doWhile ($2, $5); }
| forPred stmtErr { $$ = exprNode_for ($1, $2); context_exitForClause ($1, $2); }
+;
jumpStmt
: GOTO newId TSEMI { $$ = exprNode_goto ($2); }
| QSAFEBREAK BREAK TSEMI { $$ = exprNode_break ($2, QSAFEBREAK); }
| RETURN TSEMI { $$ = exprNode_nullReturn ($1); }
| RETURN expr TSEMI { $$ = exprNode_return ($2); }
+;
optSemi
:
| TSEMI { ; }
+;
+
+optComma
+ :
+ | TCOMMA { ; }
+;
id
: IDENTIFIER
+;
newId
: NEW_IDENTIFIER
| ITER_ENDNAME { $$ = uentry_getName ($1); }
| id { $$ = uentry_getName ($1); }
| TYPE_NAME_OR_ID { $$ = $1; }
+;
typeName
: TYPE_NAME
| TYPE_NAME_OR_ID { $$ = ctype_unknown; }
+ | CTYPEOF TLPAREN expr TRPAREN { $$ = exprNode_getType ($3); exprNode_free ($3); }
+ | CTYPEOF TLPAREN typeExpression TRPAREN { $$ = qtype_getType ($3); }
+;
%%
llerror (FLG_SYNTAX, message ("Macro syntax not parseable: %s",
context_inFunctionName ()));
- if (context_inMacroUnknown ())
+ if (context_inUnknownMacro ())
{
if (!givehint)
{
}
}
- swallowMacro ();
+ cscannerHelp_swallowMacro ();
context_exitAllClausesQuiet ();
}
else
andersk / splint.git / blobdiff