[a32b204] | 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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[8c49c0e] | 7 | // RenameVars.cc -- |
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[a32b204] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Sun May 17 12:05:18 2015 |
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| 11 | // Last Modified By : Peter A. Buhr |
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[4040425] | 12 | // Last Modified On : Wed Mar 2 17:36:32 2016 |
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| 13 | // Update Count : 5 |
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[a32b204] | 14 | // |
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[51b7345] | 15 | |
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[ea6332d] | 16 | #include <ext/alloc_traits.h> // for __alloc_traits<>::value_type |
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| 17 | #include <memory> // for allocator_traits<>::value_type |
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| 18 | #include <sstream> // for operator<<, basic_ostream, ostring... |
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| 19 | #include <utility> // for pair |
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[51b7345] | 20 | |
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[ea6332d] | 21 | #include "Common/SemanticError.h" // for SemanticError |
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[51b7345] | 22 | #include "RenameVars.h" |
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[ea6332d] | 23 | #include "SynTree/Declaration.h" // for DeclarationWithType, TypeDecl, Dec... |
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| 24 | #include "SynTree/Expression.h" // for Expression |
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| 25 | #include "SynTree/Type.h" // for Type, TypeInstType, TraitInstType |
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| 26 | #include "SynTree/Visitor.h" // for acceptAll, maybeAccept |
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[51b7345] | 27 | |
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| 28 | namespace ResolvExpr { |
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[a32b204] | 29 | RenameVars global_renamer; |
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[51b7345] | 30 | |
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[c95b115] | 31 | RenameVars::RenameVars() : level( 0 ), resetCount( 0 ) { |
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[a32b204] | 32 | mapStack.push_front( std::map< std::string, std::string >() ); |
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| 33 | } |
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| 34 | |
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| 35 | void RenameVars::reset() { |
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| 36 | level = 0; |
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[c95b115] | 37 | resetCount++; |
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[a32b204] | 38 | } |
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| 39 | |
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| 40 | void RenameVars::visit( VoidType *voidType ) { |
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| 41 | typeBefore( voidType ); |
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| 42 | typeAfter( voidType ); |
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| 43 | } |
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| 44 | |
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| 45 | void RenameVars::visit( BasicType *basicType ) { |
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| 46 | typeBefore( basicType ); |
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| 47 | typeAfter( basicType ); |
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| 48 | } |
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| 49 | |
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| 50 | void RenameVars::visit( PointerType *pointerType ) { |
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| 51 | typeBefore( pointerType ); |
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| 52 | maybeAccept( pointerType->get_base(), *this ); |
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| 53 | typeAfter( pointerType ); |
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| 54 | } |
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| 55 | |
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| 56 | void RenameVars::visit( ArrayType *arrayType ) { |
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| 57 | typeBefore( arrayType ); |
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| 58 | maybeAccept( arrayType->get_dimension(), *this ); |
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| 59 | maybeAccept( arrayType->get_base(), *this ); |
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| 60 | typeAfter( arrayType ); |
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| 61 | } |
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| 62 | |
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| 63 | void RenameVars::visit( FunctionType *functionType ) { |
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| 64 | typeBefore( functionType ); |
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| 65 | acceptAll( functionType->get_returnVals(), *this ); |
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| 66 | acceptAll( functionType->get_parameters(), *this ); |
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| 67 | typeAfter( functionType ); |
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| 68 | } |
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| 69 | |
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| 70 | void RenameVars::visit( StructInstType *aggregateUseType ) { |
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| 71 | typeBefore( aggregateUseType ); |
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| 72 | acceptAll( aggregateUseType->get_parameters(), *this ); |
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| 73 | typeAfter( aggregateUseType ); |
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| 74 | } |
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| 75 | |
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| 76 | void RenameVars::visit( UnionInstType *aggregateUseType ) { |
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| 77 | typeBefore( aggregateUseType ); |
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| 78 | acceptAll( aggregateUseType->get_parameters(), *this ); |
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| 79 | typeAfter( aggregateUseType ); |
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| 80 | } |
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| 81 | |
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| 82 | void RenameVars::visit( EnumInstType *aggregateUseType ) { |
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| 83 | typeBefore( aggregateUseType ); |
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| 84 | acceptAll( aggregateUseType->get_parameters(), *this ); |
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| 85 | typeAfter( aggregateUseType ); |
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| 86 | } |
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| 87 | |
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[4040425] | 88 | void RenameVars::visit( TraitInstType *aggregateUseType ) { |
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[a32b204] | 89 | typeBefore( aggregateUseType ); |
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| 90 | acceptAll( aggregateUseType->get_parameters(), *this ); |
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| 91 | typeAfter( aggregateUseType ); |
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| 92 | } |
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| 93 | |
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| 94 | void RenameVars::visit( TypeInstType *instType ) { |
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| 95 | typeBefore( instType ); |
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| 96 | std::map< std::string, std::string >::const_iterator i = mapStack.front().find( instType->get_name() ); |
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| 97 | if ( i != mapStack.front().end() ) { |
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| 98 | instType->set_name( i->second ); |
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| 99 | } else { |
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| 100 | } // if |
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| 101 | acceptAll( instType->get_parameters(), *this ); |
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| 102 | typeAfter( instType ); |
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| 103 | } |
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| 104 | |
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| 105 | void RenameVars::visit( TupleType *tupleType ) { |
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| 106 | typeBefore( tupleType ); |
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| 107 | acceptAll( tupleType->get_types(), *this ); |
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| 108 | typeAfter( tupleType ); |
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| 109 | } |
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| 110 | |
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[44b7088] | 111 | void RenameVars::visit( VarArgsType *varArgsType ) { |
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| 112 | typeBefore( varArgsType ); |
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| 113 | typeAfter( varArgsType ); |
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| 114 | } |
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| 115 | |
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[89e6ffc] | 116 | void RenameVars::visit( ZeroType *zeroType ) { |
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| 117 | typeBefore( zeroType ); |
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| 118 | typeAfter( zeroType ); |
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| 119 | } |
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| 120 | |
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| 121 | void RenameVars::visit( OneType *oneType ) { |
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| 122 | typeBefore( oneType ); |
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| 123 | typeAfter( oneType ); |
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| 124 | } |
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| 125 | |
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[a32b204] | 126 | void RenameVars::typeBefore( Type *type ) { |
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| 127 | if ( ! type->get_forall().empty() ) { |
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[0f19d763] | 128 | // copies current name mapping into new mapping |
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[a32b204] | 129 | mapStack.push_front( mapStack.front() ); |
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[0f19d763] | 130 | // renames all "forall" type names to `_${level}_${name}' |
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[8c49c0e] | 131 | for ( Type::ForallList::iterator i = type->get_forall().begin(); i != type->get_forall().end(); ++i ) { |
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[5f2f2d7] | 132 | std::ostringstream output; |
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[c95b115] | 133 | output << "_" << resetCount << "_" << level << "_" << (*i)->get_name(); |
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[5f2f2d7] | 134 | std::string newname( output.str() ); |
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[a32b204] | 135 | mapStack.front()[ (*i)->get_name() ] = newname; |
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| 136 | (*i)->set_name( newname ); |
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[0f19d763] | 137 | // ditto for assertion names, the next level in |
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[a32b204] | 138 | level++; |
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| 139 | acceptAll( (*i)->get_assertions(), *this ); |
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| 140 | } // for |
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| 141 | } // if |
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| 142 | } |
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| 143 | |
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| 144 | void RenameVars::typeAfter( Type *type ) { |
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[0f19d763] | 145 | // clears name mapping added by typeBefore() |
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[a32b204] | 146 | if ( ! type->get_forall().empty() ) { |
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| 147 | mapStack.pop_front(); |
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| 148 | } // if |
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| 149 | } |
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[51b7345] | 150 | |
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| 151 | } // namespace ResolvExpr |
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[a32b204] | 152 | |
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| 153 | // Local Variables: // |
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| 154 | // tab-width: 4 // |
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| 155 | // mode: c++ // |
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| 156 | // compile-command: "make install" // |
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| 157 | // End: // |
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