| 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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| 7 | // AdjustExprType.cc --
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| 8 | //
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| 9 | // Author : Richard C. Bilson
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| 10 | // Created On : Sat May 16 23:41:42 2015
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Wed Mar 2 17:34:53 2016
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| 13 | // Update Count : 4
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| 14 | //
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| 15 |
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| 16 | #include "typeops.h"
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| 17 | #include "SynTree/Type.h"
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| 18 | #include "TypeEnvironment.h"
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| 19 | #include "SymTab/Indexer.h"
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| 20 |
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| 21 | namespace ResolvExpr {
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| 22 | class AdjustExprType : public Mutator {
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| 23 | typedef Mutator Parent;
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| 24 | public:
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| 25 | AdjustExprType( const TypeEnvironment &env, const SymTab::Indexer &indexer );
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| 26 | private:
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| 27 | virtual Type* mutate( VoidType *voidType );
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| 28 | virtual Type* mutate( BasicType *basicType );
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| 29 | virtual Type* mutate( PointerType *pointerType );
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| 30 | virtual Type* mutate( ArrayType *arrayType );
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| 31 | virtual Type* mutate( FunctionType *functionType );
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| 32 | virtual Type* mutate( StructInstType *aggregateUseType );
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| 33 | virtual Type* mutate( UnionInstType *aggregateUseType );
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| 34 | virtual Type* mutate( EnumInstType *aggregateUseType );
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| 35 | virtual Type* mutate( TraitInstType *aggregateUseType );
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| 36 | virtual Type* mutate( TypeInstType *aggregateUseType );
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| 37 | virtual Type* mutate( TupleType *tupleType );
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| 38 | virtual Type* mutate( VarArgsType *varArgsType );
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| 39 |
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| 40 | const TypeEnvironment &env;
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| 41 | const SymTab::Indexer &indexer;
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| 42 | };
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| 43 |
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| 44 | void adjustExprType( Type *&type, const TypeEnvironment &env, const SymTab::Indexer &indexer ) {
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| 45 | AdjustExprType adjuster( env, indexer );
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| 46 | Type *newType = type->acceptMutator( adjuster );
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| 47 | type = newType;
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| 48 | }
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| 49 |
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| 50 | AdjustExprType::AdjustExprType( const TypeEnvironment &env, const SymTab::Indexer &indexer )
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| 51 | : env( env ), indexer( indexer ) {
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| 52 | }
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| 53 |
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| 54 | Type *AdjustExprType::mutate( VoidType *voidType ) {
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| 55 | return voidType;
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| 56 | }
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| 57 |
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| 58 | Type *AdjustExprType::mutate( BasicType *basicType ) {
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| 59 | return basicType;
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| 60 | }
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| 61 |
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| 62 | Type *AdjustExprType::mutate( PointerType *pointerType ) {
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| 63 | return pointerType;
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| 64 | }
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| 65 |
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| 66 | Type *AdjustExprType::mutate( ArrayType *arrayType ) {
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| 67 | // need to recursively mutate the base type in order for multi-dimensional arrays to work.
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| 68 | PointerType *pointerType = new PointerType( arrayType->get_qualifiers(), arrayType->get_base()->clone()->acceptMutator( *this ) );
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| 69 | delete arrayType;
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| 70 | return pointerType;
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| 71 | }
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| 72 |
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| 73 | Type *AdjustExprType::mutate( FunctionType *functionType ) {
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| 74 | PointerType *pointerType = new PointerType( Type::Qualifiers(), functionType );
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| 75 | return pointerType;
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| 76 | }
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| 77 |
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| 78 | Type *AdjustExprType::mutate( StructInstType *aggregateUseType ) {
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| 79 | return aggregateUseType;
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| 80 | }
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| 81 |
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| 82 | Type *AdjustExprType::mutate( UnionInstType *aggregateUseType ) {
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| 83 | return aggregateUseType;
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| 84 | }
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| 85 |
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| 86 | Type *AdjustExprType::mutate( EnumInstType *aggregateUseType ) {
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| 87 | return aggregateUseType;
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| 88 | }
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| 89 |
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| 90 | Type *AdjustExprType::mutate( TraitInstType *aggregateUseType ) {
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| 91 | return aggregateUseType;
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| 92 | }
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| 93 |
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| 94 | Type *AdjustExprType::mutate( TypeInstType *typeInst ) {
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| 95 | EqvClass eqvClass;
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| 96 | if ( env.lookup( typeInst->get_name(), eqvClass ) ) {
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| 97 | if ( eqvClass.kind == TypeDecl::Ftype ) {
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| 98 | PointerType *pointerType = new PointerType( Type::Qualifiers(), typeInst );
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| 99 | return pointerType;
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| 100 | }
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| 101 | } else if ( NamedTypeDecl *ntDecl = indexer.lookupType( typeInst->get_name() ) ) {
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| 102 | if ( TypeDecl *tyDecl = dynamic_cast< TypeDecl* >( ntDecl ) ) {
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| 103 | if ( tyDecl->get_kind() == TypeDecl::Ftype ) {
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| 104 | PointerType *pointerType = new PointerType( Type::Qualifiers(), typeInst );
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| 105 | return pointerType;
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| 106 | } // if
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| 107 | } // if
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| 108 | } // if
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| 109 | return typeInst;
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| 110 | }
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| 111 |
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| 112 | Type *AdjustExprType::mutate( TupleType *tupleType ) {
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| 113 | return tupleType;
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| 114 | }
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| 115 |
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| 116 | Type *AdjustExprType::mutate( VarArgsType *varArgsType ) {
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| 117 | return varArgsType;
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| 118 | }
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| 119 | } // namespace ResolvExpr
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| 120 |
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| 121 | // Local Variables: //
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| 122 | // tab-width: 4 //
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| 123 | // mode: c++ //
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| 124 | // compile-command: "make install" //
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| 125 | // End: //
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