[0dd3a2f] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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[71f4e4f] | 7 | // Visitor.h -- |
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[0dd3a2f] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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[033ff37] | 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Thu Jul 25 22:21:49 2019 |
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| 13 | // Update Count : 14 |
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[0dd3a2f] | 14 | // |
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| 15 | |
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[6b0b624] | 16 | #pragma once |
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[51b7345] | 17 | |
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[ea6332d] | 18 | #include "Common/SemanticError.h" // for SemanticError |
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| 19 | #include "SynTree.h" // for AST nodes |
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[51b7345] | 20 | |
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[d9a0e76] | 21 | class Visitor { |
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| 22 | protected: |
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[a8a2b0a] | 23 | Visitor() = default; |
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| 24 | virtual ~Visitor() = default; |
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[d9a0e76] | 25 | public: |
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[dba6db9] | 26 | // visit: Default implementation of all functions visits the children |
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[8b11840] | 27 | // of the given syntax node, but performs no other action. |
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[dba6db9] | 28 | |
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[7870799] | 29 | virtual void visit( ObjectDecl * node ) { visit( const_cast<const ObjectDecl *>(node) ); } |
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| 30 | virtual void visit( const ObjectDecl * objectDecl ) = 0; |
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| 31 | virtual void visit( FunctionDecl * node ) { visit( const_cast<const FunctionDecl *>(node) ); } |
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| 32 | virtual void visit( const FunctionDecl * functionDecl ) = 0; |
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| 33 | virtual void visit( StructDecl * node ) { visit( const_cast<const StructDecl *>(node) ); } |
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| 34 | virtual void visit( const StructDecl * aggregateDecl ) = 0; |
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| 35 | virtual void visit( UnionDecl * node ) { visit( const_cast<const UnionDecl *>(node) ); } |
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| 36 | virtual void visit( const UnionDecl * aggregateDecl ) = 0; |
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| 37 | virtual void visit( EnumDecl * node ) { visit( const_cast<const EnumDecl *>(node) ); } |
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| 38 | virtual void visit( const EnumDecl * aggregateDecl ) = 0; |
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| 39 | virtual void visit( TraitDecl * node ) { visit( const_cast<const TraitDecl *>(node) ); } |
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| 40 | virtual void visit( const TraitDecl * aggregateDecl ) = 0; |
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| 41 | virtual void visit( TypeDecl * node ) { visit( const_cast<const TypeDecl *>(node) ); } |
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| 42 | virtual void visit( const TypeDecl * typeDecl ) = 0; |
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| 43 | virtual void visit( TypedefDecl * node ) { visit( const_cast<const TypedefDecl *>(node) ); } |
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| 44 | virtual void visit( const TypedefDecl * typeDecl ) = 0; |
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| 45 | virtual void visit( AsmDecl * node ) { visit( const_cast<const AsmDecl *>(node) ); } |
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| 46 | virtual void visit( const AsmDecl * asmDecl ) = 0; |
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| 47 | virtual void visit( StaticAssertDecl * node ) { visit( const_cast<const StaticAssertDecl *>(node) ); } |
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| 48 | virtual void visit( const StaticAssertDecl * assertDecl ) = 0; |
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[0dd3a2f] | 49 | |
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[7870799] | 50 | virtual void visit( CompoundStmt * node ) { visit( const_cast<const CompoundStmt *>(node) ); } |
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| 51 | virtual void visit( const CompoundStmt * compoundStmt ) = 0; |
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| 52 | virtual void visit( ExprStmt * node ) { visit( const_cast<const ExprStmt *>(node) ); } |
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| 53 | virtual void visit( const ExprStmt * exprStmt ) = 0; |
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| 54 | virtual void visit( AsmStmt * node ) { visit( const_cast<const AsmStmt *>(node) ); } |
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| 55 | virtual void visit( const AsmStmt * asmStmt ) = 0; |
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| 56 | virtual void visit( DirectiveStmt * node ) { visit( const_cast<const DirectiveStmt *>(node) ); } |
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| 57 | virtual void visit( const DirectiveStmt * directiveStmt ) = 0; |
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| 58 | virtual void visit( IfStmt * node ) { visit( const_cast<const IfStmt *>(node) ); } |
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| 59 | virtual void visit( const IfStmt * ifStmt ) = 0; |
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| 60 | virtual void visit( WhileStmt * node ) { visit( const_cast<const WhileStmt *>(node) ); } |
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| 61 | virtual void visit( const WhileStmt * whileStmt ) = 0; |
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| 62 | virtual void visit( ForStmt * node ) { visit( const_cast<const ForStmt *>(node) ); } |
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| 63 | virtual void visit( const ForStmt * forStmt ) = 0; |
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| 64 | virtual void visit( SwitchStmt * node ) { visit( const_cast<const SwitchStmt *>(node) ); } |
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| 65 | virtual void visit( const SwitchStmt * switchStmt ) = 0; |
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| 66 | virtual void visit( CaseStmt * node ) { visit( const_cast<const CaseStmt *>(node) ); } |
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| 67 | virtual void visit( const CaseStmt * caseStmt ) = 0; |
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| 68 | virtual void visit( BranchStmt * node ) { visit( const_cast<const BranchStmt *>(node) ); } |
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| 69 | virtual void visit( const BranchStmt * branchStmt ) = 0; |
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| 70 | virtual void visit( ReturnStmt * node ) { visit( const_cast<const ReturnStmt *>(node) ); } |
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| 71 | virtual void visit( const ReturnStmt * returnStmt ) = 0; |
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| 72 | virtual void visit( ThrowStmt * node ) { visit( const_cast<const ThrowStmt *>(node) ); } |
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| 73 | virtual void visit( const ThrowStmt * throwStmt ) = 0; |
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| 74 | virtual void visit( TryStmt * node ) { visit( const_cast<const TryStmt *>(node) ); } |
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| 75 | virtual void visit( const TryStmt * tryStmt ) = 0; |
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| 76 | virtual void visit( CatchStmt * node ) { visit( const_cast<const CatchStmt *>(node) ); } |
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| 77 | virtual void visit( const CatchStmt * catchStmt ) = 0; |
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| 78 | virtual void visit( FinallyStmt * node ) { visit( const_cast<const FinallyStmt *>(node) ); } |
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| 79 | virtual void visit( const FinallyStmt * finallyStmt ) = 0; |
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| 80 | virtual void visit( WaitForStmt * node ) { visit( const_cast<const WaitForStmt *>(node) ); } |
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| 81 | virtual void visit( const WaitForStmt * waitforStmt ) = 0; |
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| 82 | virtual void visit( WithStmt * node ) { visit( const_cast<const WithStmt *>(node) ); } |
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| 83 | virtual void visit( const WithStmt * withStmt ) = 0; |
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| 84 | virtual void visit( NullStmt * node ) { visit( const_cast<const NullStmt *>(node) ); } |
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| 85 | virtual void visit( const NullStmt * nullStmt ) = 0; |
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| 86 | virtual void visit( DeclStmt * node ) { visit( const_cast<const DeclStmt *>(node) ); } |
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| 87 | virtual void visit( const DeclStmt * declStmt ) = 0; |
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| 88 | virtual void visit( ImplicitCtorDtorStmt * node ) { visit( const_cast<const ImplicitCtorDtorStmt *>(node) ); } |
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| 89 | virtual void visit( const ImplicitCtorDtorStmt * impCtorDtorStmt ) = 0; |
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[0dd3a2f] | 90 | |
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[7870799] | 91 | virtual void visit( ApplicationExpr * node ) { visit( const_cast<const ApplicationExpr *>(node) ); } |
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| 92 | virtual void visit( const ApplicationExpr * applicationExpr ) = 0; |
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| 93 | virtual void visit( UntypedExpr * node ) { visit( const_cast<const UntypedExpr *>(node) ); } |
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| 94 | virtual void visit( const UntypedExpr * untypedExpr ) = 0; |
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| 95 | virtual void visit( NameExpr * node ) { visit( const_cast<const NameExpr *>(node) ); } |
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| 96 | virtual void visit( const NameExpr * nameExpr ) = 0; |
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| 97 | virtual void visit( CastExpr * node ) { visit( const_cast<const CastExpr *>(node) ); } |
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| 98 | virtual void visit( const CastExpr * castExpr ) = 0; |
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| 99 | virtual void visit( KeywordCastExpr * node ) { visit( const_cast<const KeywordCastExpr *>(node) ); } |
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| 100 | virtual void visit( const KeywordCastExpr * castExpr ) = 0; |
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| 101 | virtual void visit( VirtualCastExpr * node ) { visit( const_cast<const VirtualCastExpr *>(node) ); } |
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| 102 | virtual void visit( const VirtualCastExpr * castExpr ) = 0; |
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| 103 | virtual void visit( AddressExpr * node ) { visit( const_cast<const AddressExpr *>(node) ); } |
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| 104 | virtual void visit( const AddressExpr * addressExpr ) = 0; |
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| 105 | virtual void visit( LabelAddressExpr * node ) { visit( const_cast<const LabelAddressExpr *>(node) ); } |
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| 106 | virtual void visit( const LabelAddressExpr * labAddressExpr ) = 0; |
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| 107 | virtual void visit( UntypedMemberExpr * node ) { visit( const_cast<const UntypedMemberExpr *>(node) ); } |
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| 108 | virtual void visit( const UntypedMemberExpr * memberExpr ) = 0; |
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| 109 | virtual void visit( MemberExpr * node ) { visit( const_cast<const MemberExpr *>(node) ); } |
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| 110 | virtual void visit( const MemberExpr * memberExpr ) = 0; |
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| 111 | virtual void visit( VariableExpr * node ) { visit( const_cast<const VariableExpr *>(node) ); } |
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| 112 | virtual void visit( const VariableExpr * variableExpr ) = 0; |
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| 113 | virtual void visit( ConstantExpr * node ) { visit( const_cast<const ConstantExpr *>(node) ); } |
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| 114 | virtual void visit( const ConstantExpr * constantExpr ) = 0; |
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| 115 | virtual void visit( SizeofExpr * node ) { visit( const_cast<const SizeofExpr *>(node) ); } |
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| 116 | virtual void visit( const SizeofExpr * sizeofExpr ) = 0; |
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| 117 | virtual void visit( AlignofExpr * node ) { visit( const_cast<const AlignofExpr *>(node) ); } |
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| 118 | virtual void visit( const AlignofExpr * alignofExpr ) = 0; |
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| 119 | virtual void visit( UntypedOffsetofExpr * node ) { visit( const_cast<const UntypedOffsetofExpr *>(node) ); } |
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| 120 | virtual void visit( const UntypedOffsetofExpr * offsetofExpr ) = 0; |
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| 121 | virtual void visit( OffsetofExpr * node ) { visit( const_cast<const OffsetofExpr *>(node) ); } |
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| 122 | virtual void visit( const OffsetofExpr * offsetofExpr ) = 0; |
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| 123 | virtual void visit( OffsetPackExpr * node ) { visit( const_cast<const OffsetPackExpr *>(node) ); } |
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| 124 | virtual void visit( const OffsetPackExpr * offsetPackExpr ) = 0; |
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| 125 | virtual void visit( LogicalExpr * node ) { visit( const_cast<const LogicalExpr *>(node) ); } |
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| 126 | virtual void visit( const LogicalExpr * logicalExpr ) = 0; |
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| 127 | virtual void visit( ConditionalExpr * node ) { visit( const_cast<const ConditionalExpr *>(node) ); } |
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| 128 | virtual void visit( const ConditionalExpr * conditionalExpr ) = 0; |
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| 129 | virtual void visit( CommaExpr * node ) { visit( const_cast<const CommaExpr *>(node) ); } |
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| 130 | virtual void visit( const CommaExpr * commaExpr ) = 0; |
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| 131 | virtual void visit( TypeExpr * node ) { visit( const_cast<const TypeExpr *>(node) ); } |
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| 132 | virtual void visit( const TypeExpr * typeExpr ) = 0; |
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| 133 | virtual void visit( AsmExpr * node ) { visit( const_cast<const AsmExpr *>(node) ); } |
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| 134 | virtual void visit( const AsmExpr * asmExpr ) = 0; |
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| 135 | virtual void visit( ImplicitCopyCtorExpr * node ) { visit( const_cast<const ImplicitCopyCtorExpr *>(node) ); } |
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| 136 | virtual void visit( const ImplicitCopyCtorExpr * impCpCtorExpr ) = 0; |
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| 137 | virtual void visit( ConstructorExpr * node ) { visit( const_cast<const ConstructorExpr *>(node) ); } |
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| 138 | virtual void visit( const ConstructorExpr * ctorExpr ) = 0; |
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| 139 | virtual void visit( CompoundLiteralExpr * node ) { visit( const_cast<const CompoundLiteralExpr *>(node) ); } |
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| 140 | virtual void visit( const CompoundLiteralExpr * compLitExpr ) = 0; |
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| 141 | virtual void visit( RangeExpr * node ) { visit( const_cast<const RangeExpr *>(node) ); } |
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| 142 | virtual void visit( const RangeExpr * rangeExpr ) = 0; |
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| 143 | virtual void visit( UntypedTupleExpr * node ) { visit( const_cast<const UntypedTupleExpr *>(node) ); } |
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| 144 | virtual void visit( const UntypedTupleExpr * tupleExpr ) = 0; |
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| 145 | virtual void visit( TupleExpr * node ) { visit( const_cast<const TupleExpr *>(node) ); } |
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| 146 | virtual void visit( const TupleExpr * tupleExpr ) = 0; |
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| 147 | virtual void visit( TupleIndexExpr * node ) { visit( const_cast<const TupleIndexExpr *>(node) ); } |
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| 148 | virtual void visit( const TupleIndexExpr * tupleExpr ) = 0; |
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| 149 | virtual void visit( TupleAssignExpr * node ) { visit( const_cast<const TupleAssignExpr *>(node) ); } |
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| 150 | virtual void visit( const TupleAssignExpr * assignExpr ) = 0; |
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| 151 | virtual void visit( StmtExpr * node ) { visit( const_cast<const StmtExpr *>(node) ); } |
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| 152 | virtual void visit( const StmtExpr * stmtExpr ) = 0; |
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| 153 | virtual void visit( UniqueExpr * node ) { visit( const_cast<const UniqueExpr *>(node) ); } |
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| 154 | virtual void visit( const UniqueExpr * uniqueExpr ) = 0; |
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| 155 | virtual void visit( UntypedInitExpr * node ) { visit( const_cast<const UntypedInitExpr *>(node) ); } |
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| 156 | virtual void visit( const UntypedInitExpr * initExpr ) = 0; |
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| 157 | virtual void visit( InitExpr * node ) { visit( const_cast<const InitExpr *>(node) ); } |
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| 158 | virtual void visit( const InitExpr * initExpr ) = 0; |
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| 159 | virtual void visit( DeletedExpr * node ) { visit( const_cast<const DeletedExpr *>(node) ); } |
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| 160 | virtual void visit( const DeletedExpr * delExpr ) = 0; |
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| 161 | virtual void visit( DefaultArgExpr * node ) { visit( const_cast<const DefaultArgExpr *>(node) ); } |
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| 162 | virtual void visit( const DefaultArgExpr * argExpr ) = 0; |
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| 163 | virtual void visit( GenericExpr * node ) { visit( const_cast<const GenericExpr *>(node) ); } |
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| 164 | virtual void visit( const GenericExpr * genExpr ) = 0; |
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[0dd3a2f] | 165 | |
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[7870799] | 166 | virtual void visit( VoidType * node ) { visit( const_cast<const VoidType *>(node) ); } |
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| 167 | virtual void visit( const VoidType * basicType ) = 0; |
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| 168 | virtual void visit( BasicType * node ) { visit( const_cast<const BasicType *>(node) ); } |
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| 169 | virtual void visit( const BasicType * basicType ) = 0; |
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| 170 | virtual void visit( PointerType * node ) { visit( const_cast<const PointerType *>(node) ); } |
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| 171 | virtual void visit( const PointerType * pointerType ) = 0; |
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| 172 | virtual void visit( ArrayType * node ) { visit( const_cast<const ArrayType *>(node) ); } |
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| 173 | virtual void visit( const ArrayType * arrayType ) = 0; |
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| 174 | virtual void visit( ReferenceType * node ) { visit( const_cast<const ReferenceType *>(node) ); } |
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| 175 | virtual void visit( const ReferenceType * refType ) = 0; |
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| 176 | virtual void visit( QualifiedType * node ) { visit( const_cast<const QualifiedType *>(node) ); } |
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| 177 | virtual void visit( const QualifiedType * qualType ) = 0; |
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| 178 | virtual void visit( FunctionType * node ) { visit( const_cast<const FunctionType *>(node) ); } |
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| 179 | virtual void visit( const FunctionType * functionType ) = 0; |
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| 180 | virtual void visit( StructInstType * node ) { visit( const_cast<const StructInstType *>(node) ); } |
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| 181 | virtual void visit( const StructInstType * aggregateUseType ) = 0; |
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| 182 | virtual void visit( UnionInstType * node ) { visit( const_cast<const UnionInstType *>(node) ); } |
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| 183 | virtual void visit( const UnionInstType * aggregateUseType ) = 0; |
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| 184 | virtual void visit( EnumInstType * node ) { visit( const_cast<const EnumInstType *>(node) ); } |
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| 185 | virtual void visit( const EnumInstType * aggregateUseType ) = 0; |
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| 186 | virtual void visit( TraitInstType * node ) { visit( const_cast<const TraitInstType *>(node) ); } |
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| 187 | virtual void visit( const TraitInstType * aggregateUseType ) = 0; |
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| 188 | virtual void visit( TypeInstType * node ) { visit( const_cast<const TypeInstType *>(node) ); } |
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| 189 | virtual void visit( const TypeInstType * aggregateUseType ) = 0; |
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| 190 | virtual void visit( TupleType * node ) { visit( const_cast<const TupleType *>(node) ); } |
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| 191 | virtual void visit( const TupleType * tupleType ) = 0; |
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| 192 | virtual void visit( TypeofType * node ) { visit( const_cast<const TypeofType *>(node) ); } |
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| 193 | virtual void visit( const TypeofType * typeofType ) = 0; |
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| 194 | virtual void visit( AttrType * node ) { visit( const_cast<const AttrType *>(node) ); } |
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| 195 | virtual void visit( const AttrType * attrType ) = 0; |
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| 196 | virtual void visit( VarArgsType * node ) { visit( const_cast<const VarArgsType *>(node) ); } |
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| 197 | virtual void visit( const VarArgsType * varArgsType ) = 0; |
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| 198 | virtual void visit( ZeroType * node ) { visit( const_cast<const ZeroType *>(node) ); } |
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| 199 | virtual void visit( const ZeroType * zeroType ) = 0; |
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| 200 | virtual void visit( OneType * node ) { visit( const_cast<const OneType *>(node) ); } |
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| 201 | virtual void visit( const OneType * oneType ) = 0; |
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| 202 | virtual void visit( GlobalScopeType * node ) { visit( const_cast<const GlobalScopeType *>(node) ); } |
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| 203 | virtual void visit( const GlobalScopeType * globalType ) = 0; |
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[0dd3a2f] | 204 | |
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[7870799] | 205 | virtual void visit( Designation * node ) { visit( const_cast<const Designation *>(node) ); } |
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| 206 | virtual void visit( const Designation * designation ) = 0; |
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| 207 | virtual void visit( SingleInit * node ) { visit( const_cast<const SingleInit *>(node) ); } |
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| 208 | virtual void visit( const SingleInit * singleInit ) = 0; |
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| 209 | virtual void visit( ListInit * node ) { visit( const_cast<const ListInit *>(node) ); } |
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| 210 | virtual void visit( const ListInit * listInit ) = 0; |
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| 211 | virtual void visit( ConstructorInit * node ) { visit( const_cast<const ConstructorInit *>(node) ); } |
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| 212 | virtual void visit( const ConstructorInit * ctorInit ) = 0; |
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[0dd3a2f] | 213 | |
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[7870799] | 214 | virtual void visit( Constant * node ) { visit( const_cast<const Constant *>(node) ); } |
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| 215 | virtual void visit( const Constant * constant ) = 0; |
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[5ea7a22] | 216 | |
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[7870799] | 217 | virtual void visit( Attribute * node ) { visit( const_cast<const Attribute *>(node) ); } |
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| 218 | virtual void visit( const Attribute * attribute ) = 0; |
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[51b7345] | 219 | }; |
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| 220 | |
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| 221 | template< typename TreeType, typename VisitorType > |
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[6f096d2] | 222 | inline void maybeAccept( TreeType * tree, VisitorType & visitor ) { |
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[0dd3a2f] | 223 | if ( tree ) { |
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| 224 | tree->accept( visitor ); |
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| 225 | } |
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[51b7345] | 226 | } |
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| 227 | |
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[6f096d2] | 228 | template< typename TreeType, typename VisitorType > |
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| 229 | inline void maybeAccept( const TreeType * tree, VisitorType & visitor ) { |
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| 230 | if ( tree ) { |
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| 231 | tree->accept( visitor ); |
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| 232 | } |
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| 233 | } |
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| 234 | |
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| 235 | template< typename Container, typename VisitorType > |
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| 236 | inline void acceptAll( Container & container, VisitorType & visitor ) { |
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| 237 | SemanticErrorException errors; |
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[ce12e2b] | 238 | for ( auto * i : container ) { |
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[6f096d2] | 239 | try { |
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| 240 | if ( i ) { |
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| 241 | i->accept( visitor ); |
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| 242 | } |
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| 243 | } catch( SemanticErrorException & e ) { |
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| 244 | errors.append( e ); |
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| 245 | } |
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| 246 | } |
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| 247 | if ( ! errors.isEmpty() ) { |
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| 248 | throw errors; |
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| 249 | } |
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| 250 | } |
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| 251 | |
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[51b7345] | 252 | template< typename Container, typename VisitorType > |
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[6f096d2] | 253 | inline void acceptAll( const Container & container, VisitorType & visitor ) { |
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[a16764a6] | 254 | SemanticErrorException errors; |
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[6f096d2] | 255 | for ( const auto * i : container ) { |
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[0dd3a2f] | 256 | try { |
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[6f096d2] | 257 | if ( i ) { |
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| 258 | i->accept( visitor ); |
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[0dd3a2f] | 259 | } |
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[a16764a6] | 260 | } catch( SemanticErrorException &e ) { |
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[0dd3a2f] | 261 | errors.append( e ); |
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| 262 | } |
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| 263 | } |
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| 264 | if ( ! errors.isEmpty() ) { |
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| 265 | throw errors; |
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[51b7345] | 266 | } |
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| 267 | } |
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| 268 | |
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[0dd3a2f] | 269 | // Local Variables: // |
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| 270 | // tab-width: 4 // |
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| 271 | // mode: c++ // |
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| 272 | // compile-command: "make install" // |
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| 273 | // End: // |
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