| //===--- PrintParserActions.cpp - Implement -parse-print-callbacks mode ---===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This code simply runs the preprocessor on the input file and prints out the |
| // result. This is the traditional behavior of the -E option. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang.h" |
| #include "clang/Parse/Action.h" |
| #include "clang/Parse/DeclSpec.h" |
| #include "llvm/Support/Streams.h" |
| using namespace clang; |
| |
| namespace { |
| class ParserPrintActions : public MinimalAction { |
| |
| public: |
| ParserPrintActions(Preprocessor &PP) : MinimalAction(PP) {} |
| |
| // Printing Functions which also must call MinimalAction |
| |
| /// ActOnDeclarator - This callback is invoked when a declarator is parsed |
| /// and 'Init' specifies the initializer if any. This is for things like: |
| /// "int X = 4" or "typedef int foo". |
| virtual DeclTy *ActOnDeclarator(Scope *S, Declarator &D, |
| DeclTy *LastInGroup) { |
| llvm::cout << __FUNCTION__ << " "; |
| if (IdentifierInfo *II = D.getIdentifier()) { |
| llvm::cout << "'" << II->getName() << "'"; |
| } else { |
| llvm::cout << "<anon>"; |
| } |
| llvm::cout << "\n"; |
| |
| // Pass up to EmptyActions so that the symbol table is maintained right. |
| return MinimalAction::ActOnDeclarator(S, D, LastInGroup); |
| } |
| /// ActOnPopScope - This callback is called immediately before the specified |
| /// scope is popped and deleted. |
| virtual void ActOnPopScope(SourceLocation Loc, Scope *S) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return MinimalAction::ActOnPopScope(Loc, S); |
| } |
| |
| /// ActOnTranslationUnitScope - This callback is called once, immediately |
| /// after creating the translation unit scope (in Parser::Initialize). |
| virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| MinimalAction::ActOnTranslationUnitScope(Loc, S); |
| } |
| |
| |
| Action::DeclTy *ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassLoc, |
| IdentifierInfo *SuperName, |
| SourceLocation SuperLoc, |
| DeclTy * const *ProtoRefs, |
| unsigned NumProtocols, |
| SourceLocation EndProtoLoc, |
| AttributeList *AttrList) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return MinimalAction::ActOnStartClassInterface(AtInterfaceLoc, |
| ClassName, ClassLoc, |
| SuperName, SuperLoc, |
| ProtoRefs, NumProtocols, |
| EndProtoLoc, AttrList); |
| } |
| |
| /// ActOnForwardClassDeclaration - |
| /// Scope will always be top level file scope. |
| Action::DeclTy *ActOnForwardClassDeclaration(SourceLocation AtClassLoc, |
| IdentifierInfo **IdentList, |
| unsigned NumElts) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return MinimalAction::ActOnForwardClassDeclaration(AtClassLoc, IdentList, |
| NumElts); |
| } |
| |
| // Pure Printing |
| |
| /// ActOnParamDeclarator - This callback is invoked when a parameter |
| /// declarator is parsed. This callback only occurs for functions |
| /// with prototypes. S is the function prototype scope for the |
| /// parameters (C++ [basic.scope.proto]). |
| virtual DeclTy *ActOnParamDeclarator(Scope *S, Declarator &D) { |
| llvm::cout << __FUNCTION__ << " "; |
| if (IdentifierInfo *II = D.getIdentifier()) { |
| llvm::cout << "'" << II->getName() << "'"; |
| } else { |
| llvm::cout << "<anon>"; |
| } |
| llvm::cout << "\n"; |
| return 0; |
| } |
| |
| /// AddInitializerToDecl - This action is called immediately after |
| /// ParseDeclarator (when an initializer is present). The code is factored |
| /// this way to make sure we are able to handle the following: |
| /// void func() { int xx = xx; } |
| /// This allows ActOnDeclarator to register "xx" prior to parsing the |
| /// initializer. The declaration above should still result in a warning, |
| /// since the reference to "xx" is uninitialized. |
| virtual void AddInitializerToDecl(DeclTy *Dcl, ExprArg Init) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| } |
| |
| /// FinalizeDeclaratorGroup - After a sequence of declarators are parsed, this |
| /// gives the actions implementation a chance to process the group as a whole. |
| virtual DeclTy *FinalizeDeclaratorGroup(Scope *S, DeclTy *Group) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| /// ActOnStartOfFunctionDef - This is called at the start of a function |
| /// definition, instead of calling ActOnDeclarator. The Declarator includes |
| /// information about formal arguments that are part of this function. |
| virtual DeclTy *ActOnStartOfFunctionDef(Scope *FnBodyScope, Declarator &D) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| /// ActOnStartOfFunctionDef - This is called at the start of a function |
| /// definition, after the FunctionDecl has already been created. |
| virtual DeclTy *ActOnStartOfFunctionDef(Scope *FnBodyScope, DeclTy *D) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual void ObjCActOnStartOfMethodDef(Scope *FnBodyScope, DeclTy *D) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| } |
| |
| /// ActOnFunctionDefBody - This is called when a function body has completed |
| /// parsing. Decl is the DeclTy returned by ParseStartOfFunctionDef. |
| virtual DeclTy *ActOnFinishFunctionBody(DeclTy *Decl, StmtArg Body) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual DeclTy *ActOnFileScopeAsmDecl(SourceLocation Loc, ExprArg AsmString) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| /// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with |
| /// no declarator (e.g. "struct foo;") is parsed. |
| virtual DeclTy *ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| /// ActOnLinkageSpec - Parsed a C++ linkage-specification that |
| /// contained braces. Lang/StrSize contains the language string that |
| /// was parsed at location Loc. Decls/NumDecls provides the |
| /// declarations parsed inside the linkage specification. |
| virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, SourceLocation LBrace, |
| SourceLocation RBrace, const char *Lang, |
| unsigned StrSize, |
| DeclTy **Decls, unsigned NumDecls) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| /// ActOnLinkageSpec - Parsed a C++ linkage-specification without |
| /// braces. Lang/StrSize contains the language string that was |
| /// parsed at location Loc. D is the declaration parsed. |
| virtual DeclTy *ActOnLinkageSpec(SourceLocation Loc, const char *Lang, |
| unsigned StrSize, DeclTy *D) { |
| return 0; |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Type Parsing Callbacks. |
| //===--------------------------------------------------------------------===// |
| |
| virtual TypeResult ActOnTypeName(Scope *S, Declarator &D) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual DeclTy *ActOnTag(Scope *S, unsigned TagType, TagKind TK, |
| SourceLocation KWLoc, const CXXScopeSpec &SS, |
| IdentifierInfo *Name, SourceLocation NameLoc, |
| AttributeList *Attr) { |
| // TagType is an instance of DeclSpec::TST, indicating what kind of tag this |
| // is (struct/union/enum/class). |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| /// Act on @defs() element found when parsing a structure. ClassName is the |
| /// name of the referenced class. |
| virtual void ActOnDefs(Scope *S, DeclTy *TagD, SourceLocation DeclStart, |
| IdentifierInfo *ClassName, |
| llvm::SmallVectorImpl<DeclTy*> &Decls) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| } |
| |
| virtual DeclTy *ActOnField(Scope *S, DeclTy *TagD, |
| SourceLocation DeclStart, |
| Declarator &D, ExprTy *BitfieldWidth) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual DeclTy *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| Declarator &D, ExprTy *BitfieldWidth, |
| tok::ObjCKeywordKind visibility) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual void ActOnFields(Scope* S, SourceLocation RecLoc, DeclTy *TagDecl, |
| DeclTy **Fields, unsigned NumFields, |
| SourceLocation LBrac, SourceLocation RBrac, |
| AttributeList *AttrList) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| } |
| |
| virtual DeclTy *ActOnEnumConstant(Scope *S, DeclTy *EnumDecl, |
| DeclTy *LastEnumConstant, |
| SourceLocation IdLoc, IdentifierInfo *Id, |
| SourceLocation EqualLoc, ExprTy *Val) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual void ActOnEnumBody(SourceLocation EnumLoc, DeclTy *EnumDecl, |
| DeclTy **Elements, unsigned NumElements) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Statement Parsing Callbacks. |
| //===--------------------------------------------------------------------===// |
| |
| virtual OwningStmtResult ActOnNullStmt(SourceLocation SemiLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnCompoundStmt(SourceLocation L, |
| SourceLocation R, |
| MultiStmtArg Elts, |
| bool isStmtExpr) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnDeclStmt(DeclTy *Decl, |
| SourceLocation StartLoc, |
| SourceLocation EndLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnExprStmt(ExprArg Expr) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return OwningStmtResult(*this, Expr.release()); |
| } |
| |
| /// ActOnCaseStmt - Note that this handles the GNU 'case 1 ... 4' extension, |
| /// which can specify an RHS value. |
| virtual OwningStmtResult ActOnCaseStmt(SourceLocation CaseLoc, |
| ExprArg LHSVal, |
| SourceLocation DotDotDotLoc, |
| ExprArg RHSVal, |
| SourceLocation ColonLoc, |
| StmtArg SubStmt) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
| SourceLocation ColonLoc, |
| StmtArg SubStmt, Scope *CurScope){ |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnLabelStmt(SourceLocation IdentLoc, |
| IdentifierInfo *II, |
| SourceLocation ColonLoc, |
| StmtArg SubStmt) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnIfStmt(SourceLocation IfLoc, ExprArg CondVal, |
| StmtArg ThenVal,SourceLocation ElseLoc, |
| StmtArg ElseVal) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnStartOfSwitchStmt(ExprArg Cond) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| StmtArg Switch, |
| StmtArg Body) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnWhileStmt(SourceLocation WhileLoc, |
| ExprArg Cond, StmtArg Body) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnDoStmt(SourceLocation DoLoc, StmtArg Body, |
| SourceLocation WhileLoc, ExprArg Cond){ |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnForStmt(SourceLocation ForLoc, |
| SourceLocation LParenLoc, |
| StmtArg First, ExprArg Second, |
| ExprArg Third, SourceLocation RParenLoc, |
| StmtArg Body) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnObjCForCollectionStmt( |
| SourceLocation ForColLoc, |
| SourceLocation LParenLoc, |
| StmtArg First, ExprArg Second, |
| SourceLocation RParenLoc, StmtArg Body) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
| SourceLocation LabelLoc, |
| IdentifierInfo *LabelII) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
| SourceLocation StarLoc, |
| ExprArg DestExp) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnContinueStmt(SourceLocation ContinueLoc, |
| Scope *CurScope) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnBreakStmt(SourceLocation GotoLoc, |
| Scope *CurScope) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnReturnStmt(SourceLocation ReturnLoc, |
| ExprArg RetValExp) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| virtual OwningStmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
| bool IsSimple, |
| bool IsVolatile, |
| unsigned NumOutputs, |
| unsigned NumInputs, |
| std::string *Names, |
| MultiExprArg Constraints, |
| MultiExprArg Exprs, |
| ExprArg AsmString, |
| MultiExprArg Clobbers, |
| SourceLocation RParenLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| // Objective-c statements |
| virtual OwningStmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, |
| SourceLocation RParen, |
| StmtArg Parm, StmtArg Body, |
| StmtArg CatchList) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, |
| StmtArg Body) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, |
| StmtArg Try, StmtArg Catch, |
| StmtArg Finally) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, |
| ExprArg Throw, |
| Scope *CurScope) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| ExprArg SynchExpr, |
| StmtArg SynchBody) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| // C++ Statements |
| virtual DeclTy *ActOnExceptionDeclarator(Scope *S, Declarator &D) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual OwningStmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, |
| DeclTy *ExceptionDecl, |
| StmtArg HandlerBlock) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| virtual OwningStmtResult ActOnCXXTryBlock(SourceLocation TryLoc, |
| StmtArg TryBlock, |
| MultiStmtArg Handlers) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return StmtEmpty(); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Expression Parsing Callbacks. |
| //===--------------------------------------------------------------------===// |
| |
| // Primary Expressions. |
| |
| /// ActOnIdentifierExpr - Parse an identifier in expression context. |
| /// 'HasTrailingLParen' indicates whether or not the identifier has a '(' |
| /// token immediately after it. |
| virtual OwningExprResult ActOnIdentifierExpr(Scope *S, SourceLocation Loc, |
| IdentifierInfo &II, |
| bool HasTrailingLParen, |
| const CXXScopeSpec *SS, |
| bool isAddressOfOperand) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnCXXOperatorFunctionIdExpr( |
| Scope *S, SourceLocation OperatorLoc, |
| OverloadedOperatorKind Op, |
| bool HasTrailingLParen, const CXXScopeSpec &SS, |
| bool isAddressOfOperand) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnCXXConversionFunctionExpr( |
| Scope *S, SourceLocation OperatorLoc, |
| TypeTy *Type, bool HasTrailingLParen, |
| const CXXScopeSpec &SS,bool isAddressOfOperand) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnPredefinedExpr(SourceLocation Loc, |
| tok::TokenKind Kind) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnCharacterConstant(const Token &) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnNumericConstant(const Token &) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
| /// fragments (e.g. "foo" "bar" L"baz"). |
| virtual OwningExprResult ActOnStringLiteral(const Token *Toks, |
| unsigned NumToks) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, |
| ExprArg Val) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return move(Val); // Default impl returns operand. |
| } |
| |
| // Postfix Expressions. |
| virtual OwningExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, |
| tok::TokenKind Kind, |
| ExprArg Input) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| virtual OwningExprResult ActOnArraySubscriptExpr(Scope *S, ExprArg Base, |
| SourceLocation LLoc, |
| ExprArg Idx, |
| SourceLocation RLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| virtual OwningExprResult ActOnMemberReferenceExpr(Scope *S, ExprArg Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| SourceLocation MemberLoc, |
| IdentifierInfo &Member) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnCallExpr(Scope *S, ExprArg Fn, |
| SourceLocation LParenLoc, |
| MultiExprArg Args, |
| SourceLocation *CommaLocs, |
| SourceLocation RParenLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| // Unary Operators. 'Tok' is the token for the operator. |
| virtual OwningExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, |
| tok::TokenKind Op, ExprArg Input) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| virtual OwningExprResult |
| ActOnSizeOfAlignOfExpr(SourceLocation OpLoc, bool isSizeof, bool isType, |
| void *TyOrEx, const SourceRange &ArgRange) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnCompoundLiteral(SourceLocation LParen, |
| TypeTy *Ty, |
| SourceLocation RParen, |
| ExprArg Op) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| virtual OwningExprResult ActOnInitList(SourceLocation LParenLoc, |
| MultiExprArg InitList, |
| InitListDesignations &Designators, |
| SourceLocation RParenLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| virtual OwningExprResult ActOnCastExpr(SourceLocation LParenLoc, TypeTy *Ty, |
| SourceLocation RParenLoc,ExprArg Op){ |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| virtual OwningExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
| tok::TokenKind Kind, |
| ExprArg LHS, ExprArg RHS) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
| /// in the case of a the GNU conditional expr extension. |
| virtual OwningExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
| SourceLocation ColonLoc, |
| ExprArg Cond, ExprArg LHS, |
| ExprArg RHS) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return ExprEmpty(); |
| } |
| |
| //===--------------------- GNU Extension Expressions ------------------===// |
| |
| virtual ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
| IdentifierInfo *LabelII) { // "&&foo" |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual ExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtTy *SubStmt, |
| SourceLocation RPLoc) { // "({..})" |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| virtual ExprResult ActOnBuiltinOffsetOf(Scope *S, SourceLocation BuiltinLoc, |
| SourceLocation TypeLoc, TypeTy *Arg1, |
| OffsetOfComponent *CompPtr, |
| unsigned NumComponents, |
| SourceLocation RParenLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| // __builtin_types_compatible_p(type1, type2) |
| virtual ExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc, |
| TypeTy *arg1, TypeTy *arg2, |
| SourceLocation RPLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| // __builtin_choose_expr(constExpr, expr1, expr2) |
| virtual ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
| ExprTy *cond, ExprTy *expr1, ExprTy *expr2, |
| SourceLocation RPLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| // __builtin_overload(...) |
| virtual ExprResult ActOnOverloadExpr(ExprTy **Args, unsigned NumArgs, |
| SourceLocation *CommaLocs, |
| SourceLocation BuiltinLoc, |
| SourceLocation RPLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| |
| |
| // __builtin_va_arg(expr, type) |
| virtual ExprResult ActOnVAArg(SourceLocation BuiltinLoc, |
| ExprTy *expr, TypeTy *type, |
| SourceLocation RPLoc) { |
| llvm::cout << __FUNCTION__ << "\n"; |
| return 0; |
| } |
| }; |
| } |
| |
| MinimalAction *clang::CreatePrintParserActionsAction(Preprocessor &PP) { |
| return new ParserPrintActions(PP); |
| } |