| 1 | // |
|---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
|---|
| 3 | // |
|---|
| 4 | // The contents of this file are covered under the licence agreement in the |
|---|
| 5 | // file "LICENCE" distributed with Cforall. |
|---|
| 6 | // |
|---|
| 7 | // Visitor.h -- |
|---|
| 8 | // |
|---|
| 9 | // Author : Richard C. Bilson |
|---|
| 10 | // Created On : Mon May 18 07:44:20 2015 |
|---|
| 11 | // Last Modified By : Andrew Beach |
|---|
| 12 | // Last Modified On : Mon Jul 24 16:28:00 2017 |
|---|
| 13 | // Update Count : 13 |
|---|
| 14 | // |
|---|
| 15 | |
|---|
| 16 | #pragma once |
|---|
| 17 | |
|---|
| 18 | #include "Common/SemanticError.h" // for SemanticError |
|---|
| 19 | #include "SynTree.h" // for AST nodes |
|---|
| 20 | |
|---|
| 21 | class Visitor { |
|---|
| 22 | protected: |
|---|
| 23 | Visitor() = default; |
|---|
| 24 | virtual ~Visitor() = default; |
|---|
| 25 | public: |
|---|
| 26 | // visit: Default implementation of all functions visits the children |
|---|
| 27 | // of the given syntax node, but performs no other action. |
|---|
| 28 | |
|---|
| 29 | virtual void visit( ObjectDecl * objectDecl ) = 0; |
|---|
| 30 | virtual void visit( FunctionDecl * functionDecl ) = 0; |
|---|
| 31 | virtual void visit( StructDecl * aggregateDecl ) = 0; |
|---|
| 32 | virtual void visit( UnionDecl * aggregateDecl ) = 0; |
|---|
| 33 | virtual void visit( EnumDecl * aggregateDecl ) = 0; |
|---|
| 34 | virtual void visit( TraitDecl * aggregateDecl ) = 0; |
|---|
| 35 | virtual void visit( TypeDecl * typeDecl ) = 0; |
|---|
| 36 | virtual void visit( TypedefDecl * typeDecl ) = 0; |
|---|
| 37 | virtual void visit( AsmDecl * asmDecl ) = 0; |
|---|
| 38 | virtual void visit( StaticAssertDecl * assertDecl ) = 0; |
|---|
| 39 | |
|---|
| 40 | virtual void visit( CompoundStmt * compoundStmt ) = 0; |
|---|
| 41 | virtual void visit( ExprStmt * exprStmt ) = 0; |
|---|
| 42 | virtual void visit( AsmStmt * asmStmt ) = 0; |
|---|
| 43 | virtual void visit( IfStmt * ifStmt ) = 0; |
|---|
| 44 | virtual void visit( WhileStmt * whileStmt ) = 0; |
|---|
| 45 | virtual void visit( ForStmt * forStmt ) = 0; |
|---|
| 46 | virtual void visit( SwitchStmt * switchStmt ) = 0; |
|---|
| 47 | virtual void visit( CaseStmt * caseStmt ) = 0; |
|---|
| 48 | virtual void visit( BranchStmt * branchStmt ) = 0; |
|---|
| 49 | virtual void visit( ReturnStmt * returnStmt ) = 0; |
|---|
| 50 | virtual void visit( ThrowStmt * throwStmt ) = 0; |
|---|
| 51 | virtual void visit( TryStmt * tryStmt ) = 0; |
|---|
| 52 | virtual void visit( CatchStmt * catchStmt ) = 0; |
|---|
| 53 | virtual void visit( FinallyStmt * finallyStmt ) = 0; |
|---|
| 54 | virtual void visit( WaitForStmt * waitforStmt ) = 0; |
|---|
| 55 | virtual void visit( WithStmt * withStmt ) = 0; |
|---|
| 56 | virtual void visit( NullStmt * nullStmt ) = 0; |
|---|
| 57 | virtual void visit( DeclStmt * declStmt ) = 0; |
|---|
| 58 | virtual void visit( ImplicitCtorDtorStmt * impCtorDtorStmt ) = 0; |
|---|
| 59 | |
|---|
| 60 | virtual void visit( ApplicationExpr * applicationExpr ) = 0; |
|---|
| 61 | virtual void visit( UntypedExpr * untypedExpr ) = 0; |
|---|
| 62 | virtual void visit( NameExpr * nameExpr ) = 0; |
|---|
| 63 | virtual void visit( CastExpr * castExpr ) = 0; |
|---|
| 64 | virtual void visit( KeywordCastExpr * castExpr ) = 0; |
|---|
| 65 | virtual void visit( VirtualCastExpr * castExpr ) = 0; |
|---|
| 66 | virtual void visit( AddressExpr * addressExpr ) = 0; |
|---|
| 67 | virtual void visit( LabelAddressExpr * labAddressExpr ) = 0; |
|---|
| 68 | virtual void visit( UntypedMemberExpr * memberExpr ) = 0; |
|---|
| 69 | virtual void visit( MemberExpr * memberExpr ) = 0; |
|---|
| 70 | virtual void visit( VariableExpr * variableExpr ) = 0; |
|---|
| 71 | virtual void visit( ConstantExpr * constantExpr ) = 0; |
|---|
| 72 | virtual void visit( SizeofExpr * sizeofExpr ) = 0; |
|---|
| 73 | virtual void visit( AlignofExpr * alignofExpr ) = 0; |
|---|
| 74 | virtual void visit( UntypedOffsetofExpr * offsetofExpr ) = 0; |
|---|
| 75 | virtual void visit( OffsetofExpr * offsetofExpr ) = 0; |
|---|
| 76 | virtual void visit( OffsetPackExpr * offsetPackExpr ) = 0; |
|---|
| 77 | virtual void visit( AttrExpr * attrExpr ) = 0; |
|---|
| 78 | virtual void visit( LogicalExpr * logicalExpr ) = 0; |
|---|
| 79 | virtual void visit( ConditionalExpr * conditionalExpr ) = 0; |
|---|
| 80 | virtual void visit( CommaExpr * commaExpr ) = 0; |
|---|
| 81 | virtual void visit( TypeExpr * typeExpr ) = 0; |
|---|
| 82 | virtual void visit( AsmExpr * asmExpr ) = 0; |
|---|
| 83 | virtual void visit( ImplicitCopyCtorExpr * impCpCtorExpr ) = 0; |
|---|
| 84 | virtual void visit( ConstructorExpr * ctorExpr ) = 0; |
|---|
| 85 | virtual void visit( CompoundLiteralExpr * compLitExpr ) = 0; |
|---|
| 86 | virtual void visit( RangeExpr * rangeExpr ) = 0; |
|---|
| 87 | virtual void visit( UntypedTupleExpr * tupleExpr ) = 0; |
|---|
| 88 | virtual void visit( TupleExpr * tupleExpr ) = 0; |
|---|
| 89 | virtual void visit( TupleIndexExpr * tupleExpr ) = 0; |
|---|
| 90 | virtual void visit( TupleAssignExpr * assignExpr ) = 0; |
|---|
| 91 | virtual void visit( StmtExpr * stmtExpr ) = 0; |
|---|
| 92 | virtual void visit( UniqueExpr * uniqueExpr ) = 0; |
|---|
| 93 | virtual void visit( UntypedInitExpr * initExpr ) = 0; |
|---|
| 94 | virtual void visit( InitExpr * initExpr ) = 0; |
|---|
| 95 | virtual void visit( DeletedExpr * delExpr ) = 0; |
|---|
| 96 | |
|---|
| 97 | virtual void visit( VoidType * basicType ) = 0; |
|---|
| 98 | virtual void visit( BasicType * basicType ) = 0; |
|---|
| 99 | virtual void visit( PointerType * pointerType ) = 0; |
|---|
| 100 | virtual void visit( ArrayType * arrayType ) = 0; |
|---|
| 101 | virtual void visit( ReferenceType * refType ) = 0; |
|---|
| 102 | virtual void visit( FunctionType * functionType ) = 0; |
|---|
| 103 | virtual void visit( StructInstType * aggregateUseType ) = 0; |
|---|
| 104 | virtual void visit( UnionInstType * aggregateUseType ) = 0; |
|---|
| 105 | virtual void visit( EnumInstType * aggregateUseType ) = 0; |
|---|
| 106 | virtual void visit( TraitInstType * aggregateUseType ) = 0; |
|---|
| 107 | virtual void visit( TypeInstType * aggregateUseType ) = 0; |
|---|
| 108 | virtual void visit( TupleType * tupleType ) = 0; |
|---|
| 109 | virtual void visit( TypeofType * typeofType ) = 0; |
|---|
| 110 | virtual void visit( AttrType * attrType ) = 0; |
|---|
| 111 | virtual void visit( VarArgsType * varArgsType ) = 0; |
|---|
| 112 | virtual void visit( ZeroType * zeroType ) = 0; |
|---|
| 113 | virtual void visit( OneType * oneType ) = 0; |
|---|
| 114 | |
|---|
| 115 | virtual void visit( Designation * designation ) = 0; |
|---|
| 116 | virtual void visit( SingleInit * singleInit ) = 0; |
|---|
| 117 | virtual void visit( ListInit * listInit ) = 0; |
|---|
| 118 | virtual void visit( ConstructorInit * ctorInit ) = 0; |
|---|
| 119 | |
|---|
| 120 | virtual void visit( Subrange * subrange ) = 0; |
|---|
| 121 | |
|---|
| 122 | virtual void visit( Constant * constant ) = 0; |
|---|
| 123 | |
|---|
| 124 | virtual void visit( Attribute * attribute ) = 0; |
|---|
| 125 | |
|---|
| 126 | virtual void visit( TypeSubstitution * sub ) = 0; |
|---|
| 127 | }; |
|---|
| 128 | |
|---|
| 129 | template< typename TreeType, typename VisitorType > |
|---|
| 130 | inline void maybeAccept( TreeType *tree, VisitorType &visitor ) { |
|---|
| 131 | if ( tree ) { |
|---|
| 132 | tree->accept( visitor ); |
|---|
| 133 | } |
|---|
| 134 | } |
|---|
| 135 | |
|---|
| 136 | template< typename Container, typename VisitorType > |
|---|
| 137 | inline void acceptAll( Container &container, VisitorType &visitor ) { |
|---|
| 138 | SemanticErrorException errors; |
|---|
| 139 | for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) { |
|---|
| 140 | try { |
|---|
| 141 | if ( *i ) { |
|---|
| 142 | (*i)->accept( visitor ); |
|---|
| 143 | } |
|---|
| 144 | } catch( SemanticErrorException &e ) { |
|---|
| 145 | errors.append( e ); |
|---|
| 146 | } |
|---|
| 147 | } |
|---|
| 148 | if ( ! errors.isEmpty() ) { |
|---|
| 149 | throw errors; |
|---|
| 150 | } |
|---|
| 151 | } |
|---|
| 152 | |
|---|
| 153 | // Local Variables: // |
|---|
| 154 | // tab-width: 4 // |
|---|
| 155 | // mode: c++ // |
|---|
| 156 | // compile-command: "make install" // |
|---|
| 157 | // End: // |
|---|
