| 1 | #include "typeops.h"
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| 2 | #include "SynTree/Type.h"
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| 3 | #include "TypeEnvironment.h"
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| 4 | #include "SymTab/Indexer.h"
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| 5 |
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| 6 | namespace ResolvExpr {
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| 7 | class AdjustExprType : public Mutator {
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| 8 | typedef Mutator Parent;
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| 9 | public:
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| 10 | AdjustExprType( const TypeEnvironment &env, const SymTab::Indexer &indexer );
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| 11 | private:
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| 12 | virtual Type* mutate(VoidType *voidType);
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| 13 | virtual Type* mutate(BasicType *basicType);
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| 14 | virtual Type* mutate(PointerType *pointerType);
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| 15 | virtual Type* mutate(ArrayType *arrayType);
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| 16 | virtual Type* mutate(FunctionType *functionType);
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| 17 | virtual Type* mutate(StructInstType *aggregateUseType);
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| 18 | virtual Type* mutate(UnionInstType *aggregateUseType);
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| 19 | virtual Type* mutate(EnumInstType *aggregateUseType);
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| 20 | virtual Type* mutate(ContextInstType *aggregateUseType);
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| 21 | virtual Type* mutate(TypeInstType *aggregateUseType);
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| 22 | virtual Type* mutate(TupleType *tupleType);
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| 23 |
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| 24 | const TypeEnvironment &env;
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| 25 | const SymTab::Indexer &indexer;
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| 26 | };
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| 27 |
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| 28 | void adjustExprType( Type *&type, const TypeEnvironment &env, const SymTab::Indexer &indexer ) {
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| 29 | AdjustExprType adjuster( env, indexer );
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| 30 | Type *newType = type->acceptMutator( adjuster );
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| 31 | type = newType;
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| 32 | }
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| 33 |
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| 34 | AdjustExprType::AdjustExprType( const TypeEnvironment &env, const SymTab::Indexer &indexer )
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| 35 | : env( env ), indexer( indexer ) {
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| 36 | }
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| 37 |
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| 38 | Type *AdjustExprType::mutate(VoidType *voidType) {
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| 39 | return voidType;
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| 40 | }
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| 41 |
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| 42 | Type *AdjustExprType::mutate(BasicType *basicType) {
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| 43 | return basicType;
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| 44 | }
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| 45 |
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| 46 | Type *AdjustExprType::mutate(PointerType *pointerType) {
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| 47 | return pointerType;
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| 48 | }
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| 49 |
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| 50 | Type *AdjustExprType::mutate(ArrayType *arrayType) {
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| 51 | PointerType *pointerType = new PointerType( arrayType->get_qualifiers(), arrayType->get_base()->clone() );
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| 52 | delete arrayType;
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| 53 | return pointerType;
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| 54 | }
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| 55 |
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| 56 | Type *AdjustExprType::mutate(FunctionType *functionType) {
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| 57 | PointerType *pointerType = new PointerType( Type::Qualifiers(), functionType );
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| 58 | return pointerType;
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| 59 | }
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| 60 |
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| 61 | Type *AdjustExprType::mutate(StructInstType *aggregateUseType) {
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| 62 | return aggregateUseType;
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| 63 | }
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| 64 |
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| 65 | Type *AdjustExprType::mutate(UnionInstType *aggregateUseType) {
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| 66 | return aggregateUseType;
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| 67 | }
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| 68 |
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| 69 | Type *AdjustExprType::mutate(EnumInstType *aggregateUseType) {
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| 70 | return aggregateUseType;
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| 71 | }
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| 72 |
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| 73 | Type *AdjustExprType::mutate(ContextInstType *aggregateUseType) {
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| 74 | return aggregateUseType;
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| 75 | }
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| 76 |
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| 77 | Type *AdjustExprType::mutate(TypeInstType *typeInst) {
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| 78 | EqvClass eqvClass;
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| 79 | if ( env.lookup( typeInst->get_name(), eqvClass ) ) {
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| 80 | if ( eqvClass.kind == TypeDecl::Ftype ) {
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| 81 | PointerType *pointerType = new PointerType( Type::Qualifiers(), typeInst );
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| 82 | return pointerType;
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| 83 | }
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| 84 | } else if ( NamedTypeDecl *ntDecl = indexer.lookupType( typeInst->get_name() ) ) {
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| 85 | if ( TypeDecl *tyDecl = dynamic_cast< TypeDecl* >( ntDecl ) ) {
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| 86 | if ( tyDecl->get_kind() == TypeDecl::Ftype ) {
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| 87 | PointerType *pointerType = new PointerType( Type::Qualifiers(), typeInst );
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| 88 | return pointerType;
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| 89 | }
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| 90 | }
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| 91 | }
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| 92 | return typeInst;
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| 93 | }
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| 94 |
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| 95 | Type *AdjustExprType::mutate(TupleType *tupleType) {
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| 96 | return tupleType;
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| 97 | }
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| 98 | } // namespace ResolvExpr
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