source: src/SymTab/ImplementationType.cc @ 7b13aeb

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// ImplementationType.cc -- 
//
// Author           : Richard C. Bilson
// Created On       : Sun May 17 21:32:01 2015
// Last Modified By : Peter A. Buhr
// Last Modified On : Thu Mar 16 15:54:08 2017
// Update Count     : 4
//

#include "ImplementationType.h"
#include "SynTree/Type.h"
#include "SynTree/Declaration.h"
#include "SynTree/Visitor.h"
#include "SymTab/Indexer.h"
#include "Common/utility.h"


namespace SymTab {
        class ImplementationType : public Visitor {
          public:
                ImplementationType( const SymTab::Indexer &indexer );

                Type *get_result() { return result; }
          private:
                virtual void visit(VoidType *voidType);
                virtual void visit(BasicType *basicType);
                virtual void visit(PointerType *pointerType);
                virtual void visit(ArrayType *arrayType);
                virtual void visit(FunctionType *functionType);
                virtual void visit(StructInstType *aggregateUseType);
                virtual void visit(UnionInstType *aggregateUseType);
                virtual void visit(EnumInstType *aggregateUseType);
                virtual void visit(TraitInstType *aggregateUseType);
                virtual void visit(TypeInstType *aggregateUseType);
                virtual void visit(TupleType *tupleType);
                virtual void visit(VarArgsType *varArgsType);
                virtual void visit(ZeroType *zeroType);
                virtual void visit(OneType *oneType);

                Type *result;                   // synthesized
                const SymTab::Indexer &indexer;
        };

        Type * implementationType( Type *type, const SymTab::Indexer& indexer ) {
                ImplementationType implementor( indexer );
                type->accept( implementor );
                if ( implementor.get_result() == 0 ) {
                        return type->clone();
                } else {
                        return implementor.get_result();
                } // if
        }

        ImplementationType::ImplementationType( const SymTab::Indexer &indexer ) : result( 0 ), indexer( indexer ) {
        }

        void ImplementationType::visit( __attribute__((unused)) VoidType *voidType ) {}
        void ImplementationType::visit( __attribute__((unused)) BasicType *basicType ) {}

        void ImplementationType::visit(PointerType *pointerType) {
                PointerType *newType = pointerType->clone();
                newType->set_base( implementationType( pointerType->get_base(), indexer ) );
                result = newType;
        }

        void ImplementationType::visit(ArrayType *arrayType) {
                ArrayType *newType = arrayType->clone();
                newType->set_base( implementationType( arrayType->get_base(), indexer ) );
                result = newType;
        }

        void ImplementationType::visit(FunctionType *functionType) {
///   FunctionType *newType = functionType->clone();
///   for ( std::list< DeclarationWithType* >::iterator i = newType->get_parameters().begin(); i != newType->get_parameters().end(); ++i ) {
///     i->set_type( implementationType( i->get_type(), indexer ) );
///   }
///   for ( std::list< DeclarationWithType* >::iterator i = newType->get_parameters().begin(); i != newType->get_parameters().end(); ++i ) {
///     i->set_type( implementationType( i->get_type(), indexer ) );
///   }
        }

        void ImplementationType::visit( __attribute__((unused)) StructInstType * aggregateUseType ) {}
        void ImplementationType::visit( __attribute__((unused)) UnionInstType * aggregateUseType ) {}
        void ImplementationType::visit( __attribute__((unused)) EnumInstType * aggregateUseType ) {}
        void ImplementationType::visit( __attribute__((unused)) TraitInstType * aggregateUseType ) {}

        void ImplementationType::visit(TypeInstType *inst) {
                NamedTypeDecl *typeDecl = indexer.lookupType( inst->get_name() );
                if ( typeDecl && typeDecl->get_base() ) {
                        Type *base = implementationType( typeDecl->get_base(), indexer );
                        base->get_qualifiers() |= inst->get_qualifiers();
                        result = base;
                } // if
        }

        void ImplementationType::visit(TupleType *tupleType) {
                TupleType *newType = new TupleType( Type::Qualifiers() );
                for ( std::list< Type* >::iterator i = tupleType->get_types().begin(); i != tupleType->get_types().end(); ++i ) {
                        Type *implType = implementationType( *i, indexer );
                        implType->get_qualifiers() |= tupleType->get_qualifiers();
                        newType->get_types().push_back( implType );
                } // for
                result = newType;
        }

        void ImplementationType::visit( __attribute__((unused)) VarArgsType *varArgsType ) {}
        void ImplementationType::visit( __attribute__((unused)) ZeroType *zeroType ) {}
        void ImplementationType::visit( __attribute__((unused)) OneType *oneType ) {}
} // namespace SymTab

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //