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 | // ImplementationType.cc --
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8 | //
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9 | // Author : Richard C. Bilson
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10 | // Created On : Sun May 17 21:32:01 2015
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11 | // Last Modified By : Peter A. Buhr
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12 | // Last Modified On : Thu Mar 16 15:54:08 2017
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13 | // Update Count : 4
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14 | //
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15 |
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16 | #include "ImplementationType.h"
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17 |
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18 | #include <list> // for list, _List_iterator, list<>::iterator
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19 |
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20 | #include "SymTab/Indexer.h" // for Indexer
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21 | #include "SynTree/Declaration.h" // for NamedTypeDecl
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22 | #include "SynTree/Type.h" // for TupleType, Type, ArrayType, Pointer...
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23 | #include "SynTree/Visitor.h" // for Visitor
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24 |
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25 |
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26 | namespace SymTab {
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27 | class ImplementationType : public Visitor {
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28 | public:
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29 | ImplementationType( const SymTab::Indexer &indexer );
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30 |
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31 | Type *get_result() { return result; }
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32 | private:
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33 | virtual void visit(VoidType *voidType);
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34 | virtual void visit(BasicType *basicType);
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35 | virtual void visit(PointerType *pointerType);
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36 | virtual void visit(ArrayType *arrayType);
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37 | virtual void visit(FunctionType *functionType);
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38 | virtual void visit(StructInstType *aggregateUseType);
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39 | virtual void visit(UnionInstType *aggregateUseType);
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40 | virtual void visit(EnumInstType *aggregateUseType);
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41 | virtual void visit(TraitInstType *aggregateUseType);
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42 | virtual void visit(TypeInstType *aggregateUseType);
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43 | virtual void visit(TupleType *tupleType);
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44 | virtual void visit(VarArgsType *varArgsType);
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45 | virtual void visit(ZeroType *zeroType);
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46 | virtual void visit(OneType *oneType);
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47 |
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48 | Type *result; // synthesized
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49 | const SymTab::Indexer &indexer;
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50 | };
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51 |
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52 | Type * implementationType( Type *type, const SymTab::Indexer& indexer ) {
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53 | ImplementationType implementor( indexer );
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54 | type->accept( implementor );
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55 | if ( implementor.get_result() == 0 ) {
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56 | return type->clone();
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57 | } else {
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58 | return implementor.get_result();
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59 | } // if
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60 | }
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61 |
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62 | ImplementationType::ImplementationType( const SymTab::Indexer &indexer ) : result( 0 ), indexer( indexer ) {
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63 | }
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64 |
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65 | void ImplementationType::visit( __attribute__((unused)) VoidType *voidType ) {}
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66 | void ImplementationType::visit( __attribute__((unused)) BasicType *basicType ) {}
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67 |
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68 | void ImplementationType::visit(PointerType *pointerType) {
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69 | PointerType *newType = pointerType->clone();
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70 | newType->set_base( implementationType( pointerType->get_base(), indexer ) );
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71 | result = newType;
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72 | }
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73 |
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74 | void ImplementationType::visit(ArrayType *arrayType) {
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75 | ArrayType *newType = arrayType->clone();
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76 | newType->set_base( implementationType( arrayType->get_base(), indexer ) );
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77 | result = newType;
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78 | }
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79 |
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80 | void ImplementationType::visit( __attribute__((unused)) FunctionType *functionType ) {}
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81 | void ImplementationType::visit( __attribute__((unused)) StructInstType * aggregateUseType ) {}
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82 | void ImplementationType::visit( __attribute__((unused)) UnionInstType * aggregateUseType ) {}
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83 | void ImplementationType::visit( __attribute__((unused)) EnumInstType * aggregateUseType ) {}
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84 | void ImplementationType::visit( __attribute__((unused)) TraitInstType * aggregateUseType ) {}
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85 |
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86 | void ImplementationType::visit(TypeInstType *inst) {
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87 | NamedTypeDecl *typeDecl = indexer.lookupType( inst->get_name() );
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88 | if ( typeDecl && typeDecl->get_base() ) {
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89 | Type *base = implementationType( typeDecl->get_base(), indexer );
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90 | base->get_qualifiers() |= inst->get_qualifiers();
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91 | result = base;
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92 | } // if
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93 | }
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94 |
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95 | void ImplementationType::visit(TupleType *tupleType) {
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96 | std::list< Type * > types;
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97 | for ( std::list< Type* >::iterator i = tupleType->get_types().begin(); i != tupleType->get_types().end(); ++i ) {
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98 | Type *implType = implementationType( *i, indexer );
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99 | implType->get_qualifiers() |= tupleType->get_qualifiers();
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100 | types.push_back( implType );
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101 | } // for
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102 | result = new TupleType( Type::Qualifiers(), types );
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103 | }
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104 |
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105 | void ImplementationType::visit( __attribute__((unused)) VarArgsType *varArgsType ) {}
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106 | void ImplementationType::visit( __attribute__((unused)) ZeroType *zeroType ) {}
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107 | void ImplementationType::visit( __attribute__((unused)) OneType *oneType ) {}
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108 | } // namespace SymTab
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109 |
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110 | // Local Variables: //
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111 | // tab-width: 4 //
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112 | // mode: c++ //
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113 | // compile-command: "make install" //
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114 | // End: //
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