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 | // RenameVars.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 12:05:18 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Wed Mar 2 17:36:32 2016 |
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13 | // Update Count : 5 |
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14 | // |
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15 | |
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16 | #include <sstream> |
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17 | |
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18 | #include "RenameVars.h" |
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19 | #include "SynTree/Visitor.h" |
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20 | #include "SynTree/Type.h" |
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21 | #include "SynTree/Declaration.h" |
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22 | #include "SynTree/Expression.h" |
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23 | |
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24 | namespace ResolvExpr { |
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25 | RenameVars global_renamer; |
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26 | |
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27 | RenameVars::RenameVars() : level( 0 ) { |
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28 | mapStack.push_front( std::map< std::string, std::string >() ); |
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29 | } |
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30 | |
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31 | void RenameVars::reset() { |
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32 | level = 0; |
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33 | } |
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34 | |
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35 | void RenameVars::visit( VoidType *voidType ) { |
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36 | typeBefore( voidType ); |
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37 | typeAfter( voidType ); |
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38 | } |
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39 | |
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40 | void RenameVars::visit( BasicType *basicType ) { |
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41 | typeBefore( basicType ); |
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42 | typeAfter( basicType ); |
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43 | } |
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44 | |
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45 | void RenameVars::visit( PointerType *pointerType ) { |
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46 | typeBefore( pointerType ); |
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47 | /// std::cout << "do pointer" << std::endl; |
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48 | maybeAccept( pointerType->get_base(), *this ); |
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49 | /// std::cout << "done pointer" << std::endl; |
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50 | typeAfter( pointerType ); |
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51 | } |
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52 | |
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53 | void RenameVars::visit( ArrayType *arrayType ) { |
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54 | typeBefore( arrayType ); |
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55 | maybeAccept( arrayType->get_dimension(), *this ); |
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56 | maybeAccept( arrayType->get_base(), *this ); |
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57 | typeAfter( arrayType ); |
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58 | } |
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59 | |
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60 | void RenameVars::visit( FunctionType *functionType ) { |
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61 | typeBefore( functionType ); |
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62 | /// std::cout << "return vals" << std::endl; |
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63 | acceptAll( functionType->get_returnVals(), *this ); |
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64 | /// std::cout << functionType->get_parameters().size() << " parameters" << std::endl; |
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65 | acceptAll( functionType->get_parameters(), *this ); |
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66 | /// std::cout << "done function" << std::endl; |
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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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88 | void RenameVars::visit( TraitInstType *aggregateUseType ) { |
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89 | typeBefore( aggregateUseType ); |
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90 | acceptAll( aggregateUseType->get_parameters(), *this ); |
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91 | acceptAll( aggregateUseType->get_members(), *this ); |
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92 | typeAfter( aggregateUseType ); |
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93 | } |
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94 | |
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95 | void RenameVars::visit( TypeInstType *instType ) { |
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96 | typeBefore( instType ); |
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97 | /// std::cout << "instance of type " << instType->get_name() << std::endl; |
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98 | std::map< std::string, std::string >::const_iterator i = mapStack.front().find( instType->get_name() ); |
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99 | if ( i != mapStack.front().end() ) { |
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100 | /// std::cout << "found name " << i->second << std::endl; |
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101 | instType->set_name( i->second ); |
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102 | } else { |
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103 | /// std::cout << "no name found" << std::endl; |
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104 | } // if |
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105 | acceptAll( instType->get_parameters(), *this ); |
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106 | typeAfter( instType ); |
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107 | } |
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108 | |
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109 | void RenameVars::visit( TupleType *tupleType ) { |
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110 | typeBefore( tupleType ); |
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111 | acceptAll( tupleType->get_types(), *this ); |
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112 | typeAfter( tupleType ); |
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113 | } |
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114 | |
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115 | void RenameVars::visit( VarArgsType *varArgsType ) { |
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116 | typeBefore( varArgsType ); |
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117 | typeAfter( varArgsType ); |
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118 | } |
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119 | |
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120 | void RenameVars::typeBefore( Type *type ) { |
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121 | if ( ! type->get_forall().empty() ) { |
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122 | /// std::cout << "type with forall: "; |
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123 | /// type->print( std::cout ); |
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124 | /// std::cout << std::endl; |
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125 | // copies current name mapping into new mapping |
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126 | mapStack.push_front( mapStack.front() ); |
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127 | // renames all "forall" type names to `_${level}_${name}' |
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128 | for ( std::list< TypeDecl* >::iterator i = type->get_forall().begin(); i != type->get_forall().end(); ++i ) { |
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129 | std::ostringstream output; |
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130 | output << "_" << level << "_" << (*i)->get_name(); |
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131 | std::string newname( output.str() ); |
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132 | mapStack.front()[ (*i)->get_name() ] = newname; |
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133 | (*i)->set_name( newname ); |
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134 | // ditto for assertion names, the next level in |
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135 | level++; |
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136 | acceptAll( (*i)->get_assertions(), *this ); |
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137 | } // for |
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138 | } // if |
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139 | } |
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140 | |
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141 | void RenameVars::typeAfter( Type *type ) { |
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142 | // clears name mapping added by typeBefore() |
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143 | if ( ! type->get_forall().empty() ) { |
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144 | mapStack.pop_front(); |
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145 | } // if |
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146 | } |
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147 | |
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148 | } // namespace ResolvExpr |
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149 | |
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150 | // Local Variables: // |
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151 | // tab-width: 4 // |
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152 | // mode: c++ // |
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153 | // compile-command: "make install" // |
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154 | // End: // |
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