[51b7345] | 1 | /* |
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| 2 | * This file is part of the Cforall project |
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| 3 | * |
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| 4 | * $Id: AdjustExprType.cc,v 1.3 2005/08/29 20:14:15 rcbilson Exp $ |
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| 5 | * |
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| 6 | */ |
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| 7 | |
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| 8 | #include "typeops.h" |
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| 9 | #include "SynTree/Type.h" |
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| 10 | #include "TypeEnvironment.h" |
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| 11 | #include "SymTab/Indexer.h" |
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| 12 | |
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| 13 | namespace ResolvExpr { |
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| 14 | |
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| 15 | class AdjustExprType : public Mutator |
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| 16 | { |
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| 17 | typedef Mutator Parent; |
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| 18 | |
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| 19 | public: |
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| 20 | AdjustExprType( const TypeEnvironment &env, const SymTab::Indexer &indexer ); |
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| 21 | |
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| 22 | private: |
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| 23 | virtual Type* mutate(VoidType *voidType); |
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| 24 | virtual Type* mutate(BasicType *basicType); |
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| 25 | virtual Type* mutate(PointerType *pointerType); |
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| 26 | virtual Type* mutate(ArrayType *arrayType); |
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| 27 | virtual Type* mutate(FunctionType *functionType); |
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| 28 | virtual Type* mutate(StructInstType *aggregateUseType); |
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| 29 | virtual Type* mutate(UnionInstType *aggregateUseType); |
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| 30 | virtual Type* mutate(EnumInstType *aggregateUseType); |
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| 31 | virtual Type* mutate(ContextInstType *aggregateUseType); |
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| 32 | virtual Type* mutate(TypeInstType *aggregateUseType); |
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| 33 | virtual Type* mutate(TupleType *tupleType); |
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| 34 | |
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| 35 | const TypeEnvironment &env; |
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| 36 | const SymTab::Indexer &indexer; |
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| 37 | }; |
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| 38 | |
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| 39 | void |
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| 40 | adjustExprType( Type *&type, const TypeEnvironment &env, const SymTab::Indexer &indexer ) |
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| 41 | { |
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| 42 | AdjustExprType adjuster( env, indexer ); |
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| 43 | Type *newType = type->acceptMutator( adjuster ); |
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| 44 | type = newType; |
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| 45 | } |
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| 46 | |
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| 47 | AdjustExprType::AdjustExprType( const TypeEnvironment &env, const SymTab::Indexer &indexer ) |
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| 48 | : env( env ), indexer( indexer ) |
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| 49 | { |
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| 50 | } |
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| 51 | |
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| 52 | Type* |
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| 53 | AdjustExprType::mutate(VoidType *voidType) |
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| 54 | { |
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| 55 | return voidType; |
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| 56 | } |
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| 57 | |
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| 58 | Type* |
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| 59 | AdjustExprType::mutate(BasicType *basicType) |
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| 60 | { |
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| 61 | return basicType; |
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| 62 | } |
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| 63 | |
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| 64 | Type* |
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| 65 | AdjustExprType::mutate(PointerType *pointerType) |
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| 66 | { |
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| 67 | return pointerType; |
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| 68 | } |
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| 69 | |
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| 70 | Type* |
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| 71 | AdjustExprType::mutate(ArrayType *arrayType) |
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| 72 | { |
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| 73 | PointerType *pointerType = new PointerType( arrayType->get_qualifiers(), arrayType->get_base()->clone() ); |
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| 74 | delete arrayType; |
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| 75 | return pointerType; |
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| 76 | } |
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| 77 | |
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| 78 | Type* |
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| 79 | AdjustExprType::mutate(FunctionType *functionType) |
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| 80 | { |
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| 81 | PointerType *pointerType = new PointerType( Type::Qualifiers(), functionType ); |
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| 82 | return pointerType; |
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| 83 | } |
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| 84 | |
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| 85 | Type* |
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| 86 | AdjustExprType::mutate(StructInstType *aggregateUseType) |
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| 87 | { |
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| 88 | return aggregateUseType; |
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| 89 | } |
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| 90 | |
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| 91 | Type* |
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| 92 | AdjustExprType::mutate(UnionInstType *aggregateUseType) |
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| 93 | { |
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| 94 | return aggregateUseType; |
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| 95 | } |
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| 96 | |
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| 97 | Type* |
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| 98 | AdjustExprType::mutate(EnumInstType *aggregateUseType) |
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| 99 | { |
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| 100 | return aggregateUseType; |
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| 101 | } |
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| 102 | |
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| 103 | Type* |
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| 104 | AdjustExprType::mutate(ContextInstType *aggregateUseType) |
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| 105 | { |
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| 106 | return aggregateUseType; |
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| 107 | } |
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| 108 | |
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| 109 | Type* |
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| 110 | AdjustExprType::mutate(TypeInstType *typeInst) |
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| 111 | { |
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| 112 | EqvClass eqvClass; |
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| 113 | if( env.lookup( typeInst->get_name(), eqvClass ) ) { |
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| 114 | if( eqvClass.kind == TypeDecl::Ftype ) { |
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| 115 | PointerType *pointerType = new PointerType( Type::Qualifiers(), typeInst ); |
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| 116 | return pointerType; |
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| 117 | } |
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| 118 | } else if( NamedTypeDecl *ntDecl = indexer.lookupType( typeInst->get_name() ) ) { |
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| 119 | if( TypeDecl *tyDecl = dynamic_cast< TypeDecl* >( ntDecl ) ) { |
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| 120 | if( tyDecl->get_kind() == TypeDecl::Ftype ) { |
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| 121 | PointerType *pointerType = new PointerType( Type::Qualifiers(), typeInst ); |
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| 122 | return pointerType; |
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| 123 | } |
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| 124 | } |
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| 125 | } |
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| 126 | return typeInst; |
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| 127 | } |
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| 128 | |
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| 129 | Type* |
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| 130 | AdjustExprType::mutate(TupleType *tupleType) |
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| 131 | { |
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| 132 | return tupleType; |
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| 133 | } |
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| 134 | |
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| 135 | |
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| 136 | } // namespace ResolvExpr |
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