[13932f14] | 1 | #pragma once |
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| 2 | |
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[08fc48f] | 3 | // IWYU pragma: private, include "Common/PassVisitor.h" |
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| 4 | |
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[296b2be] | 5 | #include <stack> |
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| 6 | |
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[3c398b6] | 7 | #include "Common/utility.h" |
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| 8 | |
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[ab904dc] | 9 | #include "SynTree/Mutator.h" |
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[13932f14] | 10 | #include "SynTree/Visitor.h" |
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| 11 | |
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[e0886db] | 12 | #include "SymTab/Indexer.h" |
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| 13 | |
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[5ea7a22] | 14 | #include "SynTree/Attribute.h" |
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[ab904dc] | 15 | #include "SynTree/Initializer.h" |
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| 16 | #include "SynTree/Statement.h" |
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| 17 | #include "SynTree/Type.h" |
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| 18 | #include "SynTree/Declaration.h" |
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| 19 | #include "SynTree/Expression.h" |
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| 20 | #include "SynTree/Constant.h" |
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[07c178f0] | 21 | |
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| 22 | class TypeSubstitution; |
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[ab904dc] | 23 | |
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[296b2be] | 24 | #include "PassVisitor.proto.h" |
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[ab904dc] | 25 | |
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[13932f14] | 26 | //------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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[5d88a0a] | 27 | // Templated visitor type |
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| 28 | // To use declare a PassVisitor< YOUR VISITOR TYPE > |
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[5e298d7] | 29 | // The visitor type should specify the previsit/postvisit/premutate/postmutate for types that are desired. |
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[4551a6e] | 30 | // Note: previsit/postvisit/premutate/postmutate must be **public** members |
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[5e298d7] | 31 | // |
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| 32 | // Several additional features are available through inheritance |
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| 33 | // | WithTypeSubstitution - provides polymorphic TypeSubstitution * env for the current expression |
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| 34 | // | WithStmtsToAdd - provides the ability to insert statements before or after the current statement by adding new statements into |
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| 35 | // stmtsToAddBefore or stmtsToAddAfter respectively. |
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[6ca154b] | 36 | // | WithShortCircuiting - provides the ability to skip visiting child nodes; set visit_children to false in pre{visit,mutate} to skip visiting children |
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[d24d4e1] | 37 | // | WithGuards - provides the ability to save/restore data like a LIFO stack; to save, call GuardValue with the variable to save, the variable |
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[5e298d7] | 38 | // will automatically be restored to its previous value after the corresponding postvisit/postmutate teminates. |
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[13932f14] | 39 | //------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| 40 | template< typename pass_type > |
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[ab904dc] | 41 | class PassVisitor final : public Visitor, public Mutator { |
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[13932f14] | 42 | public: |
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| 43 | |
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| 44 | template< typename... Args > |
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[aff3af4] | 45 | PassVisitor(Args &&... args) |
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[13932f14] | 46 | : pass( std::forward<Args>( args )... ) |
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[b73bd70] | 47 | { |
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| 48 | typedef PassVisitor<pass_type> this_t; |
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| 49 | this_t * const * visitor = visitor_impl(pass, 0); |
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| 50 | if(visitor) { |
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| 51 | *const_cast<this_t **>( visitor ) = this; |
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| 52 | } |
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| 53 | } |
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[13932f14] | 54 | |
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| 55 | virtual ~PassVisitor() = default; |
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| 56 | |
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[aff3af4] | 57 | pass_type pass; |
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[13932f14] | 58 | |
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[5ea7a22] | 59 | virtual void visit( ObjectDecl * objectDecl ) override final; |
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| 60 | virtual void visit( FunctionDecl * functionDecl ) override final; |
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| 61 | virtual void visit( StructDecl * aggregateDecl ) override final; |
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| 62 | virtual void visit( UnionDecl * aggregateDecl ) override final; |
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| 63 | virtual void visit( EnumDecl * aggregateDecl ) override final; |
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| 64 | virtual void visit( TraitDecl * aggregateDecl ) override final; |
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| 65 | virtual void visit( TypeDecl * typeDecl ) override final; |
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| 66 | virtual void visit( TypedefDecl * typeDecl ) override final; |
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| 67 | virtual void visit( AsmDecl * asmDecl ) override final; |
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[f6e3e34] | 68 | virtual void visit( StaticAssertDecl * assertDecl ) override final; |
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[5ea7a22] | 69 | |
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| 70 | virtual void visit( CompoundStmt * compoundStmt ) override final; |
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| 71 | virtual void visit( ExprStmt * exprStmt ) override final; |
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| 72 | virtual void visit( AsmStmt * asmStmt ) override final; |
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| 73 | virtual void visit( IfStmt * ifStmt ) override final; |
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| 74 | virtual void visit( WhileStmt * whileStmt ) override final; |
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| 75 | virtual void visit( ForStmt * forStmt ) override final; |
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| 76 | virtual void visit( SwitchStmt * switchStmt ) override final; |
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| 77 | virtual void visit( CaseStmt * caseStmt ) override final; |
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| 78 | virtual void visit( BranchStmt * branchStmt ) override final; |
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| 79 | virtual void visit( ReturnStmt * returnStmt ) override final; |
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| 80 | virtual void visit( ThrowStmt * throwStmt ) override final; |
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| 81 | virtual void visit( TryStmt * tryStmt ) override final; |
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| 82 | virtual void visit( CatchStmt * catchStmt ) override final; |
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| 83 | virtual void visit( FinallyStmt * finallyStmt ) override final; |
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| 84 | virtual void visit( WaitForStmt * waitforStmt ) override final; |
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[61255ad] | 85 | virtual void visit( WithStmt * withStmt ) override final; |
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[5ea7a22] | 86 | virtual void visit( NullStmt * nullStmt ) override final; |
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| 87 | virtual void visit( DeclStmt * declStmt ) override final; |
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| 88 | virtual void visit( ImplicitCtorDtorStmt * impCtorDtorStmt ) override final; |
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| 89 | |
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| 90 | virtual void visit( ApplicationExpr * applicationExpr ) override final; |
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| 91 | virtual void visit( UntypedExpr * untypedExpr ) override final; |
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| 92 | virtual void visit( NameExpr * nameExpr ) override final; |
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| 93 | virtual void visit( CastExpr * castExpr ) override final; |
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[9a705dc8] | 94 | virtual void visit( KeywordCastExpr * castExpr ) override final; |
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[5ea7a22] | 95 | virtual void visit( VirtualCastExpr * castExpr ) override final; |
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| 96 | virtual void visit( AddressExpr * addressExpr ) override final; |
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| 97 | virtual void visit( LabelAddressExpr * labAddressExpr ) override final; |
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| 98 | virtual void visit( UntypedMemberExpr * memberExpr ) override final; |
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| 99 | virtual void visit( MemberExpr * memberExpr ) override final; |
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| 100 | virtual void visit( VariableExpr * variableExpr ) override final; |
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| 101 | virtual void visit( ConstantExpr * constantExpr ) override final; |
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| 102 | virtual void visit( SizeofExpr * sizeofExpr ) override final; |
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| 103 | virtual void visit( AlignofExpr * alignofExpr ) override final; |
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| 104 | virtual void visit( UntypedOffsetofExpr * offsetofExpr ) override final; |
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| 105 | virtual void visit( OffsetofExpr * offsetofExpr ) override final; |
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| 106 | virtual void visit( OffsetPackExpr * offsetPackExpr ) override final; |
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| 107 | virtual void visit( AttrExpr * attrExpr ) override final; |
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| 108 | virtual void visit( LogicalExpr * logicalExpr ) override final; |
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| 109 | virtual void visit( ConditionalExpr * conditionalExpr ) override final; |
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| 110 | virtual void visit( CommaExpr * commaExpr ) override final; |
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| 111 | virtual void visit( TypeExpr * typeExpr ) override final; |
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| 112 | virtual void visit( AsmExpr * asmExpr ) override final; |
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| 113 | virtual void visit( ImplicitCopyCtorExpr * impCpCtorExpr ) override final; |
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| 114 | virtual void visit( ConstructorExpr * ctorExpr ) override final; |
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| 115 | virtual void visit( CompoundLiteralExpr * compLitExpr ) override final; |
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| 116 | virtual void visit( RangeExpr * rangeExpr ) override final; |
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| 117 | virtual void visit( UntypedTupleExpr * tupleExpr ) override final; |
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| 118 | virtual void visit( TupleExpr * tupleExpr ) override final; |
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| 119 | virtual void visit( TupleIndexExpr * tupleExpr ) override final; |
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| 120 | virtual void visit( TupleAssignExpr * assignExpr ) override final; |
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| 121 | virtual void visit( StmtExpr * stmtExpr ) override final; |
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| 122 | virtual void visit( UniqueExpr * uniqueExpr ) override final; |
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[73367a8] | 123 | virtual void visit( UntypedInitExpr * initExpr ) override final; |
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| 124 | virtual void visit( InitExpr * initExpr ) override final; |
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[44b4114] | 125 | virtual void visit( DeletedExpr * delExpr ) override final; |
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[5ea7a22] | 126 | |
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| 127 | virtual void visit( VoidType * basicType ) override final; |
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| 128 | virtual void visit( BasicType * basicType ) override final; |
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| 129 | virtual void visit( PointerType * pointerType ) override final; |
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| 130 | virtual void visit( ArrayType * arrayType ) override final; |
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| 131 | virtual void visit( ReferenceType * referenceType ) override final; |
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| 132 | virtual void visit( FunctionType * functionType ) override final; |
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| 133 | virtual void visit( StructInstType * aggregateUseType ) override final; |
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| 134 | virtual void visit( UnionInstType * aggregateUseType ) override final; |
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| 135 | virtual void visit( EnumInstType * aggregateUseType ) override final; |
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| 136 | virtual void visit( TraitInstType * aggregateUseType ) override final; |
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| 137 | virtual void visit( TypeInstType * aggregateUseType ) override final; |
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| 138 | virtual void visit( TupleType * tupleType ) override final; |
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| 139 | virtual void visit( TypeofType * typeofType ) override final; |
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| 140 | virtual void visit( AttrType * attrType ) override final; |
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| 141 | virtual void visit( VarArgsType * varArgsType ) override final; |
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| 142 | virtual void visit( ZeroType * zeroType ) override final; |
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| 143 | virtual void visit( OneType * oneType ) override final; |
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| 144 | |
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| 145 | virtual void visit( Designation * designation ) override final; |
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| 146 | virtual void visit( SingleInit * singleInit ) override final; |
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| 147 | virtual void visit( ListInit * listInit ) override final; |
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| 148 | virtual void visit( ConstructorInit * ctorInit ) override final; |
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| 149 | |
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| 150 | virtual void visit( Subrange * subrange ) override final; |
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| 151 | |
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| 152 | virtual void visit( Constant * constant ) override final; |
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| 153 | |
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| 154 | virtual void visit( Attribute * attribute ) override final; |
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| 155 | |
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| 156 | virtual DeclarationWithType * mutate( ObjectDecl * objectDecl ) override final; |
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| 157 | virtual DeclarationWithType * mutate( FunctionDecl * functionDecl ) override final; |
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| 158 | virtual Declaration * mutate( StructDecl * aggregateDecl ) override final; |
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| 159 | virtual Declaration * mutate( UnionDecl * aggregateDecl ) override final; |
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| 160 | virtual Declaration * mutate( EnumDecl * aggregateDecl ) override final; |
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| 161 | virtual Declaration * mutate( TraitDecl * aggregateDecl ) override final; |
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| 162 | virtual Declaration * mutate( TypeDecl * typeDecl ) override final; |
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| 163 | virtual Declaration * mutate( TypedefDecl * typeDecl ) override final; |
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| 164 | virtual AsmDecl * mutate( AsmDecl * asmDecl ) override final; |
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[f6e3e34] | 165 | virtual StaticAssertDecl * mutate( StaticAssertDecl * assertDecl ) override final; |
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[5ea7a22] | 166 | |
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| 167 | virtual CompoundStmt * mutate( CompoundStmt * compoundStmt ) override final; |
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| 168 | virtual Statement * mutate( ExprStmt * exprStmt ) override final; |
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| 169 | virtual Statement * mutate( AsmStmt * asmStmt ) override final; |
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| 170 | virtual Statement * mutate( IfStmt * ifStmt ) override final; |
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| 171 | virtual Statement * mutate( WhileStmt * whileStmt ) override final; |
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| 172 | virtual Statement * mutate( ForStmt * forStmt ) override final; |
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| 173 | virtual Statement * mutate( SwitchStmt * switchStmt ) override final; |
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| 174 | virtual Statement * mutate( CaseStmt * caseStmt ) override final; |
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| 175 | virtual Statement * mutate( BranchStmt * branchStmt ) override final; |
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| 176 | virtual Statement * mutate( ReturnStmt * returnStmt ) override final; |
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| 177 | virtual Statement * mutate( ThrowStmt * throwStmt ) override final; |
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| 178 | virtual Statement * mutate( TryStmt * tryStmt ) override final; |
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| 179 | virtual Statement * mutate( CatchStmt * catchStmt ) override final; |
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| 180 | virtual Statement * mutate( FinallyStmt * finallyStmt ) override final; |
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| 181 | virtual Statement * mutate( WaitForStmt * waitforStmt ) override final; |
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[61255ad] | 182 | virtual Statement * mutate( WithStmt * withStmt ) override final; |
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[5ea7a22] | 183 | virtual NullStmt * mutate( NullStmt * nullStmt ) override final; |
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| 184 | virtual Statement * mutate( DeclStmt * declStmt ) override final; |
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| 185 | virtual Statement * mutate( ImplicitCtorDtorStmt * impCtorDtorStmt ) override final; |
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| 186 | |
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| 187 | virtual Expression * mutate( ApplicationExpr * applicationExpr ) override final; |
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| 188 | virtual Expression * mutate( UntypedExpr * untypedExpr ) override final; |
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| 189 | virtual Expression * mutate( NameExpr * nameExpr ) override final; |
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[9a705dc8] | 190 | virtual Expression * mutate( AddressExpr * addrExpr ) override final; |
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[5ea7a22] | 191 | virtual Expression * mutate( LabelAddressExpr * labAddressExpr ) override final; |
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| 192 | virtual Expression * mutate( CastExpr * castExpr ) override final; |
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[9a705dc8] | 193 | virtual Expression * mutate( KeywordCastExpr * castExpr ) override final; |
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[5ea7a22] | 194 | virtual Expression * mutate( VirtualCastExpr * castExpr ) override final; |
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| 195 | virtual Expression * mutate( UntypedMemberExpr * memberExpr ) override final; |
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| 196 | virtual Expression * mutate( MemberExpr * memberExpr ) override final; |
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| 197 | virtual Expression * mutate( VariableExpr * variableExpr ) override final; |
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| 198 | virtual Expression * mutate( ConstantExpr * constantExpr ) override final; |
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| 199 | virtual Expression * mutate( SizeofExpr * sizeofExpr ) override final; |
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| 200 | virtual Expression * mutate( AlignofExpr * alignofExpr ) override final; |
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| 201 | virtual Expression * mutate( UntypedOffsetofExpr * offsetofExpr ) override final; |
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| 202 | virtual Expression * mutate( OffsetofExpr * offsetofExpr ) override final; |
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| 203 | virtual Expression * mutate( OffsetPackExpr * offsetPackExpr ) override final; |
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| 204 | virtual Expression * mutate( AttrExpr * attrExpr ) override final; |
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| 205 | virtual Expression * mutate( LogicalExpr * logicalExpr ) override final; |
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| 206 | virtual Expression * mutate( ConditionalExpr * conditionalExpr ) override final; |
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| 207 | virtual Expression * mutate( CommaExpr * commaExpr ) override final; |
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| 208 | virtual Expression * mutate( TypeExpr * typeExpr ) override final; |
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| 209 | virtual Expression * mutate( AsmExpr * asmExpr ) override final; |
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| 210 | virtual Expression * mutate( ImplicitCopyCtorExpr * impCpCtorExpr ) override final; |
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| 211 | virtual Expression * mutate( ConstructorExpr * ctorExpr ) override final; |
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| 212 | virtual Expression * mutate( CompoundLiteralExpr * compLitExpr ) override final; |
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| 213 | virtual Expression * mutate( RangeExpr * rangeExpr ) override final; |
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| 214 | virtual Expression * mutate( UntypedTupleExpr * tupleExpr ) override final; |
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| 215 | virtual Expression * mutate( TupleExpr * tupleExpr ) override final; |
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| 216 | virtual Expression * mutate( TupleIndexExpr * tupleExpr ) override final; |
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| 217 | virtual Expression * mutate( TupleAssignExpr * assignExpr ) override final; |
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| 218 | virtual Expression * mutate( StmtExpr * stmtExpr ) override final; |
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| 219 | virtual Expression * mutate( UniqueExpr * uniqueExpr ) override final; |
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[73367a8] | 220 | virtual Expression * mutate( UntypedInitExpr * initExpr ) override final; |
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| 221 | virtual Expression * mutate( InitExpr * initExpr ) override final; |
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[44b4114] | 222 | virtual Expression * mutate( DeletedExpr * delExpr ) override final; |
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[5ea7a22] | 223 | |
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| 224 | virtual Type * mutate( VoidType * basicType ) override final; |
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| 225 | virtual Type * mutate( BasicType * basicType ) override final; |
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| 226 | virtual Type * mutate( PointerType * pointerType ) override final; |
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| 227 | virtual Type * mutate( ArrayType * arrayType ) override final; |
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| 228 | virtual Type * mutate( ReferenceType * referenceType ) override final; |
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| 229 | virtual Type * mutate( FunctionType * functionType ) override final; |
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| 230 | virtual Type * mutate( StructInstType * aggregateUseType ) override final; |
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| 231 | virtual Type * mutate( UnionInstType * aggregateUseType ) override final; |
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| 232 | virtual Type * mutate( EnumInstType * aggregateUseType ) override final; |
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| 233 | virtual Type * mutate( TraitInstType * aggregateUseType ) override final; |
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| 234 | virtual Type * mutate( TypeInstType * aggregateUseType ) override final; |
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| 235 | virtual Type * mutate( TupleType * tupleType ) override final; |
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| 236 | virtual Type * mutate( TypeofType * typeofType ) override final; |
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| 237 | virtual Type * mutate( AttrType * attrType ) override final; |
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| 238 | virtual Type * mutate( VarArgsType * varArgsType ) override final; |
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| 239 | virtual Type * mutate( ZeroType * zeroType ) override final; |
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| 240 | virtual Type * mutate( OneType * oneType ) override final; |
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| 241 | |
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| 242 | virtual Designation * mutate( Designation * designation ) override final; |
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| 243 | virtual Initializer * mutate( SingleInit * singleInit ) override final; |
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| 244 | virtual Initializer * mutate( ListInit * listInit ) override final; |
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| 245 | virtual Initializer * mutate( ConstructorInit * ctorInit ) override final; |
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| 246 | |
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| 247 | virtual Subrange * mutate( Subrange * subrange ) override final; |
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| 248 | |
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| 249 | virtual Constant * mutate( Constant * constant ) override final; |
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| 250 | |
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| 251 | virtual Attribute * mutate( Attribute * attribute ) override final; |
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[447c356] | 252 | |
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| 253 | virtual TypeSubstitution * mutate( TypeSubstitution * sub ) final; |
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[ab904dc] | 254 | |
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[13932f14] | 255 | private: |
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[6ca154b] | 256 | template<typename pass_t> friend void acceptAll( std::list< Declaration* > &decls, PassVisitor< pass_t >& visitor ); |
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| 257 | template<typename pass_t> friend void mutateAll( std::list< Declaration* > &decls, PassVisitor< pass_t >& visitor ); |
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[3c398b6] | 258 | template< typename TreeType, typename pass_t > friend void maybeAccept_impl( TreeType * tree, PassVisitor< pass_t > & visitor ); |
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| 259 | template< typename TreeType, typename pass_t > friend void maybeMutate_impl( TreeType *& tree, PassVisitor< pass_t > & mutator ); |
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| 260 | template< typename Container, typename pass_t > friend void maybeAccept_impl( Container & container, PassVisitor< pass_t > & visitor ); |
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| 261 | template< typename Container, typename pass_t > friend void maybeMutate_impl( Container & container, PassVisitor< pass_t > & mutator ); |
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[6ca154b] | 262 | |
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[296b2be] | 263 | template<typename node_type> void call_previsit ( node_type * node ) { previsit_impl ( pass, node, 0 ); } |
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| 264 | template<typename node_type> void call_postvisit( node_type * node ) { postvisit_impl( pass, node, 0 ); } |
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[13932f14] | 265 | |
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[296b2be] | 266 | template<typename node_type> void call_premutate ( node_type * node ) { premutate_impl( pass, node, 0 ); } |
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| 267 | template<typename return_type, typename node_type> return_type call_postmutate ( node_type * node ) { return postmutate_impl<return_type>( pass, node, 0 ); } |
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[ab904dc] | 268 | |
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[296b2be] | 269 | void call_beginScope() { begin_scope_impl( pass, 0 ); } |
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| 270 | void call_endScope () { end_scope_impl ( pass, 0 ); } |
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| 271 | |
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[3fb9a83] | 272 | void set_env( TypeSubstitution * env ) { set_env_impl( pass, env, 0); } |
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| 273 | |
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[6ca154b] | 274 | template< typename func_t > |
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| 275 | void handleStatementList( std::list< Statement * > & statements, func_t func ); |
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| 276 | void visitStatementList ( std::list< Statement* > &statements ); |
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[296b2be] | 277 | void mutateStatementList( std::list< Statement* > &statements ); |
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[134322e] | 278 | |
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[6ca154b] | 279 | template< typename func_t > |
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| 280 | Statement * handleStatement( Statement * stmt, func_t func ); |
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| 281 | Statement * visitStatement ( Statement * stmt ); |
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[296b2be] | 282 | Statement * mutateStatement( Statement * stmt ); |
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[134322e] | 283 | |
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[6ca154b] | 284 | template< typename func_t > |
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| 285 | Expression * handleExpression( Expression * expr, func_t func ); |
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| 286 | Expression * visitExpression ( Expression * expr ); |
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[296b2be] | 287 | Expression * mutateExpression( Expression * expr ); |
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| 288 | |
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[ab904dc] | 289 | |
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[134322e] | 290 | TypeSubstitution ** get_env_ptr () { return env_impl ( pass, 0); } |
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| 291 | std::list< Statement* > * get_beforeStmts() { return stmtsToAddBefore_impl( pass, 0); } |
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| 292 | std::list< Statement* > * get_afterStmts () { return stmtsToAddAfter_impl ( pass, 0); } |
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[35df560] | 293 | std::list< Declaration* > * get_beforeDecls() { return declsToAddBefore_impl( pass, 0); } |
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| 294 | std::list< Declaration* > * get_afterDecls () { return declsToAddAfter_impl ( pass, 0); } |
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[b73bd70] | 295 | |
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[3c398b6] | 296 | bool get_visit_children () { bool_ref * ptr = visit_children_impl(pass, 0); return ptr ? *ptr : true; } |
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| 297 | bool_ref * get_visit_children_ptr() { return visit_children_impl(pass, 0); } |
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[e0886db] | 298 | |
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[4670c79] | 299 | void indexerScopeEnter () { indexer_impl_enterScope ( pass, 0 ); } |
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| 300 | void indexerScopeLeave () { indexer_impl_leaveScope ( pass, 0 ); } |
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| 301 | void indexerAddId ( DeclarationWithType * node ) { indexer_impl_addId ( pass, 0, node ); } |
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| 302 | void indexerAddType ( NamedTypeDecl * node ) { indexer_impl_addType ( pass, 0, node ); } |
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| 303 | void indexerAddStruct ( const std::string & id ) { indexer_impl_addStruct ( pass, 0, id ); } |
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| 304 | void indexerAddStruct ( StructDecl * node ) { indexer_impl_addStruct ( pass, 0, node ); } |
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| 305 | void indexerAddStructFwd( StructDecl * node ) { indexer_impl_addStructFwd( pass, 0, node ); } |
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| 306 | void indexerAddEnum ( EnumDecl * node ) { indexer_impl_addEnum ( pass, 0, node ); } |
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| 307 | void indexerAddUnion ( const std::string & id ) { indexer_impl_addUnion ( pass, 0, id ); } |
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| 308 | void indexerAddUnion ( UnionDecl * node ) { indexer_impl_addUnion ( pass, 0, node ); } |
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| 309 | void indexerAddUnionFwd ( UnionDecl * node ) { indexer_impl_addUnionFwd ( pass, 0, node ); } |
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| 310 | void indexerAddTrait ( TraitDecl * node ) { indexer_impl_addTrait ( pass, 0, node ); } |
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[0ac366b] | 311 | void indexerAddWith ( std::list< Expression * > & exprs, BaseSyntaxNode * withStmt ) { indexer_impl_addWith ( pass, 0, exprs, withStmt ); } |
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[d8893ca] | 312 | |
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[e0886db] | 313 | |
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| 314 | template< typename TreeType, typename VisitorType > |
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| 315 | friend inline void indexerScopedAccept( TreeType * tree, VisitorType &visitor ); |
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| 316 | |
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| 317 | template< typename TreeType, typename VisitorType > |
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| 318 | friend inline void indexerScopedMutate( TreeType *& tree, VisitorType &visitor ); |
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[13932f14] | 319 | }; |
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| 320 | |
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[6e09f211] | 321 | template<typename pass_type, typename T> |
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| 322 | void GuardValue( pass_type * pass, T& val ) { |
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| 323 | pass->at_cleanup( [ val ]( void * newVal ) { |
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| 324 | * static_cast< T * >( newVal ) = val; |
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| 325 | }, static_cast< void * >( & val ) ); |
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| 326 | } |
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| 327 | |
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[637568b] | 328 | class WithTypeSubstitution { |
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| 329 | protected: |
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| 330 | WithTypeSubstitution() = default; |
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| 331 | ~WithTypeSubstitution() = default; |
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| 332 | |
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[4eb31f2b] | 333 | public: |
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[d24d4e1] | 334 | TypeSubstitution * env = nullptr; |
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[637568b] | 335 | }; |
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| 336 | |
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| 337 | class WithStmtsToAdd { |
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| 338 | protected: |
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| 339 | WithStmtsToAdd() = default; |
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| 340 | ~WithStmtsToAdd() = default; |
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| 341 | |
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[4eb31f2b] | 342 | public: |
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[637568b] | 343 | std::list< Statement* > stmtsToAddBefore; |
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| 344 | std::list< Statement* > stmtsToAddAfter; |
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| 345 | }; |
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[d24d4e1] | 346 | |
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| 347 | class WithDeclsToAdd { |
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| 348 | protected: |
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| 349 | WithDeclsToAdd() = default; |
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[e0886db] | 350 | ~WithDeclsToAdd() { |
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| 351 | assert( declsToAddBefore.empty() ); |
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| 352 | } |
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[d24d4e1] | 353 | |
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| 354 | public: |
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| 355 | std::list< Declaration* > declsToAddBefore; |
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| 356 | std::list< Declaration* > declsToAddAfter; |
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| 357 | }; |
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| 358 | |
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[637568b] | 359 | class WithShortCircuiting { |
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| 360 | protected: |
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| 361 | WithShortCircuiting() = default; |
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| 362 | ~WithShortCircuiting() = default; |
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| 363 | |
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[4eb31f2b] | 364 | public: |
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[b73bd70] | 365 | bool_ref visit_children; |
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[637568b] | 366 | }; |
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| 367 | |
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[d24d4e1] | 368 | class WithGuards { |
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[637568b] | 369 | protected: |
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[d24d4e1] | 370 | WithGuards() = default; |
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| 371 | ~WithGuards() = default; |
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[637568b] | 372 | |
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[4eb31f2b] | 373 | public: |
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[637568b] | 374 | at_cleanup_t at_cleanup; |
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| 375 | |
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[4eb31f2b] | 376 | template< typename T > |
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[637568b] | 377 | void GuardValue( T& val ) { |
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| 378 | at_cleanup( [ val ]( void * newVal ) { |
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| 379 | * static_cast< T * >( newVal ) = val; |
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| 380 | }, static_cast< void * >( & val ) ); |
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| 381 | } |
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[5dd0704] | 382 | |
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[d24d4e1] | 383 | template< typename T > |
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| 384 | void GuardScope( T& val ) { |
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| 385 | val.beginScope(); |
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| 386 | at_cleanup( []( void * val ) { |
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| 387 | static_cast< T * >( val )->endScope(); |
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| 388 | }, static_cast< void * >( & val ) ); |
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| 389 | } |
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| 390 | |
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[5dd0704] | 391 | template< typename Func > |
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[d24d4e1] | 392 | void GuardAction( Func func ) { |
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| 393 | at_cleanup( [func](__attribute__((unused)) void *) { func(); }, nullptr ); |
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[5dd0704] | 394 | } |
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[637568b] | 395 | }; |
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| 396 | |
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[b73bd70] | 397 | template<typename pass_type> |
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| 398 | class WithVisitorRef { |
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| 399 | protected: |
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[d24d4e1] | 400 | WithVisitorRef() {} |
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| 401 | ~WithVisitorRef() {} |
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[b73bd70] | 402 | |
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| 403 | public: |
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[d24d4e1] | 404 | PassVisitor<pass_type> * const visitor = nullptr; |
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[b73bd70] | 405 | }; |
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[637568b] | 406 | |
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[e0886db] | 407 | class WithIndexer { |
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| 408 | protected: |
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| 409 | WithIndexer() {} |
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| 410 | ~WithIndexer() {} |
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| 411 | |
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| 412 | public: |
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| 413 | SymTab::Indexer indexer; |
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| 414 | }; |
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| 415 | |
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[07c178f0] | 416 | #include "SynTree/TypeSubstitution.h" |
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[aff3af4] | 417 | #include "PassVisitor.impl.h" |
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