[13932f14] | 1 | #pragma once |
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| 2 | |
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| 3 | #include "SynTree/Visitor.h" |
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| 4 | |
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| 5 | //------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| 6 | //Deep magic (a.k.a template meta programming) to make the templated visitor work |
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| 7 | //Basically the goal is to make 2 previsit_impl |
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| 8 | // 1 - |
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| 9 | //------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| 10 | template<typename pass_type, typename node_type> |
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| 11 | static inline auto previsit_impl( pass_type& pass, node_type * node, __attribute__((unused)) int unused ) ->decltype( pass.previsit( node ), void() ) { |
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| 12 | pass.previsit( node ); |
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| 13 | } |
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| 14 | |
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| 15 | template<typename pass_type, typename node_type> |
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| 16 | static inline void previsit_impl( __attribute__((unused)) pass_type& pass, node_type * node, __attribute__((unused)) long unused ) { |
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| 17 | //Do nothing |
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| 18 | } |
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| 19 | |
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| 20 | |
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| 21 | template<typename pass_type, typename node_type> |
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| 22 | static inline auto postvisit_impl( pass_type& pass, node_type * node, __attribute__((unused)) int unused ) ->decltype( pass.postvisit( node ), void() ) { |
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| 23 | pass.postvisit( node ); |
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| 24 | } |
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| 25 | |
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| 26 | template<typename pass_type, typename node_type> |
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| 27 | static inline auto postvisit_impl( __attribute__((unused)) pass_type& pass, node_type * node, __attribute__((unused)) long unused ) { |
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| 28 | //Do nothing |
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| 29 | } |
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| 30 | |
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| 31 | //------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| 32 | //Templated visitor type |
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| 33 | |
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| 34 | //------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| 35 | template< typename pass_type > |
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| 36 | class PassVisitor final : public Visitor { |
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| 37 | public: |
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| 38 | PassVisitor() = default; |
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| 39 | |
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| 40 | template< typename... Args > |
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| 41 | PassVisitor(Args &&... args) |
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| 42 | : pass( std::forward<Args>( args )... ) |
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| 43 | {} |
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| 44 | |
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| 45 | virtual ~PassVisitor() = default; |
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| 46 | private: |
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| 47 | pass_type pass; |
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| 48 | |
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| 49 | public: |
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| 50 | |
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| 51 | virtual void visit( ObjectDecl *objectDecl ) override final; |
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| 52 | virtual void visit( FunctionDecl *functionDecl ) override final; |
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| 53 | virtual void visit( StructDecl *aggregateDecl ) override final; |
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| 54 | virtual void visit( UnionDecl *aggregateDecl ) override final; |
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| 55 | virtual void visit( EnumDecl *aggregateDecl ) override final; |
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| 56 | virtual void visit( TraitDecl *aggregateDecl ) override final; |
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| 57 | virtual void visit( TypeDecl *typeDecl ) override final; |
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| 58 | virtual void visit( TypedefDecl *typeDecl ) override final; |
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| 59 | virtual void visit( AsmDecl *asmDecl ) override final; |
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| 60 | |
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| 61 | virtual void visit( CompoundStmt *compoundStmt ) override final; |
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| 62 | virtual void visit( ExprStmt *exprStmt ) override final; |
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| 63 | virtual void visit( AsmStmt *asmStmt ) override final; |
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| 64 | virtual void visit( IfStmt *ifStmt ) override final; |
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| 65 | virtual void visit( WhileStmt *whileStmt ) override final; |
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| 66 | virtual void visit( ForStmt *forStmt ) override final; |
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| 67 | virtual void visit( SwitchStmt *switchStmt ) override final; |
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| 68 | virtual void visit( CaseStmt *caseStmt ) override final; |
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| 69 | virtual void visit( BranchStmt *branchStmt ) override final; |
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| 70 | virtual void visit( ReturnStmt *returnStmt ) override final; |
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| 71 | virtual void visit( TryStmt *tryStmt ) override final; |
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| 72 | virtual void visit( CatchStmt *catchStmt ) override final; |
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| 73 | virtual void visit( FinallyStmt *finallyStmt ) override final; |
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| 74 | virtual void visit( NullStmt *nullStmt ) override final; |
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| 75 | virtual void visit( DeclStmt *declStmt ) override final; |
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| 76 | virtual void visit( ImplicitCtorDtorStmt *impCtorDtorStmt ) override final; |
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| 77 | |
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| 78 | virtual void visit( ApplicationExpr *applicationExpr ) override final; |
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| 79 | virtual void visit( UntypedExpr *untypedExpr ) override final; |
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| 80 | virtual void visit( NameExpr *nameExpr ) override final; |
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| 81 | virtual void visit( CastExpr *castExpr ) override final; |
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| 82 | virtual void visit( AddressExpr *addressExpr ) override final; |
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| 83 | virtual void visit( LabelAddressExpr *labAddressExpr ) override final; |
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| 84 | virtual void visit( UntypedMemberExpr *memberExpr ) override final; |
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| 85 | virtual void visit( MemberExpr *memberExpr ) override final; |
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| 86 | virtual void visit( VariableExpr *variableExpr ) override final; |
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| 87 | virtual void visit( ConstantExpr *constantExpr ) override final; |
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| 88 | virtual void visit( SizeofExpr *sizeofExpr ) override final; |
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| 89 | virtual void visit( AlignofExpr *alignofExpr ) override final; |
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| 90 | virtual void visit( UntypedOffsetofExpr *offsetofExpr ) override final; |
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| 91 | virtual void visit( OffsetofExpr *offsetofExpr ) override final; |
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| 92 | virtual void visit( OffsetPackExpr *offsetPackExpr ) override final; |
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| 93 | virtual void visit( AttrExpr *attrExpr ) override final; |
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| 94 | virtual void visit( LogicalExpr *logicalExpr ) override final; |
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| 95 | virtual void visit( ConditionalExpr *conditionalExpr ) override final; |
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| 96 | virtual void visit( CommaExpr *commaExpr ) override final; |
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| 97 | virtual void visit( TypeExpr *typeExpr ) override final; |
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| 98 | virtual void visit( AsmExpr *asmExpr ) override final; |
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| 99 | virtual void visit( ImplicitCopyCtorExpr *impCpCtorExpr ) override final; |
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| 100 | virtual void visit( ConstructorExpr * ctorExpr ) override final; |
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| 101 | virtual void visit( CompoundLiteralExpr *compLitExpr ) override final; |
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| 102 | virtual void visit( UntypedValofExpr *valofExpr ) override final; |
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| 103 | virtual void visit( RangeExpr *rangeExpr ) override final; |
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| 104 | virtual void visit( UntypedTupleExpr *tupleExpr ) override final; |
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| 105 | virtual void visit( TupleExpr *tupleExpr ) override final; |
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| 106 | virtual void visit( TupleIndexExpr *tupleExpr ) override final; |
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| 107 | virtual void visit( MemberTupleExpr *tupleExpr ) override final; |
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| 108 | virtual void visit( TupleAssignExpr *assignExpr ) override final; |
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| 109 | virtual void visit( StmtExpr * stmtExpr ) override final; |
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| 110 | virtual void visit( UniqueExpr * uniqueExpr ) override final; |
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| 111 | |
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| 112 | virtual void visit( VoidType *basicType ) override final; |
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| 113 | virtual void visit( BasicType *basicType ) override final; |
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| 114 | virtual void visit( PointerType *pointerType ) override final; |
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| 115 | virtual void visit( ArrayType *arrayType ) override final; |
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| 116 | virtual void visit( FunctionType *functionType ) override final; |
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| 117 | virtual void visit( StructInstType *aggregateUseType ) override final; |
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| 118 | virtual void visit( UnionInstType *aggregateUseType ) override final; |
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| 119 | virtual void visit( EnumInstType *aggregateUseType ) override final; |
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| 120 | virtual void visit( TraitInstType *aggregateUseType ) override final; |
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| 121 | virtual void visit( TypeInstType *aggregateUseType ) override final; |
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| 122 | virtual void visit( TupleType *tupleType ) override final; |
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| 123 | virtual void visit( TypeofType *typeofType ) override final; |
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| 124 | virtual void visit( AttrType *attrType ) override final; |
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| 125 | virtual void visit( VarArgsType *varArgsType ) override final; |
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| 126 | virtual void visit( ZeroType *zeroType ) override final; |
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| 127 | virtual void visit( OneType *oneType ) override final; |
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| 128 | |
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| 129 | virtual void visit( SingleInit *singleInit ) override final; |
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| 130 | virtual void visit( ListInit *listInit ) override final; |
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| 131 | virtual void visit( ConstructorInit *ctorInit ) override final; |
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| 132 | |
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| 133 | virtual void visit( Subrange *subrange ) override final; |
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| 134 | |
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| 135 | virtual void visit( Constant *constant ) override final; |
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| 136 | |
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| 137 | private: |
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| 138 | template<typename node_type> |
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| 139 | auto call_previsit ( node_type * node ) |
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| 140 | -> decltype( previsit_impl ( pass, node, 0 ), void() ) |
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| 141 | { |
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| 142 | previsit_impl ( pass, node, 0 ); |
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| 143 | } |
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| 144 | |
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| 145 | template<typename node_type> |
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| 146 | auto call_postvisit( node_type * node ) |
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| 147 | -> decltype( postvisit_impl( pass, node, 0 ), void() ) |
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| 148 | { |
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| 149 | postvisit_impl( pass, node, 0 ); |
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| 150 | } |
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| 151 | }; |
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| 152 | |
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| 153 | #include "PassVisitor.impl.h" |
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