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 | // Expression.cc -- |
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8 | // |
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9 | // Author : Richard C. Bilson |
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10 | // Created On : Mon May 18 07:44:20 2015 |
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11 | // Last Modified By : Rob Schluntz |
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12 | // Last Modified On : Wed May 04 12:17:51 2016 |
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13 | // Update Count : 40 |
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14 | // |
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15 | |
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16 | #include <iostream> |
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17 | #include <cassert> |
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18 | #include <list> |
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19 | #include <algorithm> |
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20 | |
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21 | #include <iterator> |
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22 | |
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23 | #include "Type.h" |
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24 | #include "Initializer.h" |
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25 | #include "Expression.h" |
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26 | #include "Declaration.h" |
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27 | #include "Statement.h" |
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28 | #include "TypeSubstitution.h" |
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29 | #include "Common/utility.h" |
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30 | |
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31 | |
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32 | Expression::Expression( Expression *_aname ) : env( 0 ), argName( _aname ) {} |
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33 | |
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34 | Expression::Expression( const Expression &other ) : env( maybeClone( other.env ) ), argName( maybeClone( other.get_argName() ) ) { |
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35 | cloneAll( other.results, results ); |
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36 | } |
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37 | |
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38 | Expression::~Expression() { |
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39 | delete env; |
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40 | delete argName; // xxx -- there's a problem in cloning ConstantExpr I still don't know how to fix |
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41 | deleteAll( results ); |
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42 | } |
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43 | |
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44 | void Expression::add_result( Type *t ) { |
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45 | if ( TupleType *tuple = dynamic_cast< TupleType* >( t ) ) { |
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46 | std::copy( tuple->get_types().begin(), tuple->get_types().end(), back_inserter( results ) ); |
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47 | } else { |
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48 | results.push_back(t); |
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49 | } // if |
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50 | } |
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51 | |
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52 | void Expression::print( std::ostream &os, int indent ) const { |
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53 | if ( env ) { |
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54 | os << std::string( indent, ' ' ) << "with environment:" << std::endl; |
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55 | env->print( os, indent+2 ); |
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56 | } // if |
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57 | |
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58 | if ( argName ) { |
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59 | os << std::string( indent, ' ' ) << "with designator:"; |
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60 | argName->print( os, indent+2 ); |
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61 | } // if |
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62 | } |
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63 | |
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64 | ConstantExpr::ConstantExpr( Constant _c, Expression *_aname ) : Expression( _aname ), constant( _c ) { |
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65 | add_result( constant.get_type()->clone() ); |
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66 | } |
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67 | |
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68 | ConstantExpr::ConstantExpr( const ConstantExpr &other) : Expression( other ), constant( other.constant ) { |
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69 | } |
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70 | |
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71 | ConstantExpr::~ConstantExpr() {} |
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72 | |
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73 | void ConstantExpr::print( std::ostream &os, int indent ) const { |
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74 | os << "constant expression " ; |
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75 | constant.print( os ); |
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76 | Expression::print( os, indent ); |
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77 | os << std::endl; |
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78 | } |
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79 | |
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80 | VariableExpr::VariableExpr( DeclarationWithType *_var, Expression *_aname ) : Expression( _aname ), var( _var ) { |
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81 | assert( var ); |
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82 | assert( var->get_type() ); |
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83 | add_result( var->get_type()->clone() ); |
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84 | for ( std::list< Type* >::iterator i = get_results().begin(); i != get_results().end(); ++i ) { |
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85 | (*i)->set_isLvalue( true ); |
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86 | } // for |
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87 | } |
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88 | |
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89 | VariableExpr::VariableExpr( const VariableExpr &other ) : Expression( other ), var( other.var ) { |
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90 | } |
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91 | |
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92 | VariableExpr::~VariableExpr() { |
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93 | // don't delete the declaration, since it points somewhere else in the tree |
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94 | } |
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95 | |
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96 | void VariableExpr::print( std::ostream &os, int indent ) const { |
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97 | os << "Variable Expression: "; |
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98 | |
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99 | Declaration *decl = get_var(); |
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100 | // if ( decl != 0) decl->print(os, indent + 2); |
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101 | if ( decl != 0) decl->printShort(os, indent + 2); |
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102 | os << std::endl; |
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103 | Expression::print( os, indent ); |
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104 | } |
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105 | |
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106 | SizeofExpr::SizeofExpr( Expression *expr_, Expression *_aname ) : |
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107 | Expression( _aname ), expr(expr_), type(0), isType(false) { |
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108 | add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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109 | } |
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110 | |
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111 | SizeofExpr::SizeofExpr( Type *type_, Expression *_aname ) : |
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112 | Expression( _aname ), expr(0), type(type_), isType(true) { |
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113 | add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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114 | } |
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115 | |
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116 | SizeofExpr::SizeofExpr( const SizeofExpr &other ) : |
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117 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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118 | } |
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119 | |
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120 | SizeofExpr::~SizeofExpr() { |
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121 | delete expr; |
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122 | delete type; |
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123 | } |
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124 | |
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125 | void SizeofExpr::print( std::ostream &os, int indent) const { |
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126 | os << "Sizeof Expression on: "; |
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127 | |
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128 | if (isType) |
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129 | type->print(os, indent + 2); |
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130 | else |
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131 | expr->print(os, indent + 2); |
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132 | |
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133 | os << std::endl; |
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134 | Expression::print( os, indent ); |
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135 | } |
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136 | |
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137 | AlignofExpr::AlignofExpr( Expression *expr_, Expression *_aname ) : |
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138 | Expression( _aname ), expr(expr_), type(0), isType(false) { |
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139 | add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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140 | } |
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141 | |
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142 | AlignofExpr::AlignofExpr( Type *type_, Expression *_aname ) : |
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143 | Expression( _aname ), expr(0), type(type_), isType(true) { |
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144 | add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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145 | } |
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146 | |
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147 | AlignofExpr::AlignofExpr( const AlignofExpr &other ) : |
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148 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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149 | } |
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150 | |
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151 | AlignofExpr::~AlignofExpr() { |
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152 | delete expr; |
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153 | delete type; |
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154 | } |
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155 | |
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156 | void AlignofExpr::print( std::ostream &os, int indent) const { |
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157 | os << std::string( indent, ' ' ) << "Alignof Expression on: "; |
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158 | |
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159 | if (isType) |
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160 | type->print(os, indent + 2); |
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161 | else |
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162 | expr->print(os, indent + 2); |
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163 | |
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164 | os << std::endl; |
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165 | Expression::print( os, indent ); |
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166 | } |
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167 | |
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168 | UntypedOffsetofExpr::UntypedOffsetofExpr( Type *type_, const std::string &member_, Expression *_aname ) : |
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169 | Expression( _aname ), type(type_), member(member_) { |
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170 | add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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171 | } |
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172 | |
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173 | UntypedOffsetofExpr::UntypedOffsetofExpr( const UntypedOffsetofExpr &other ) : |
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174 | Expression( other ), type( maybeClone( other.type ) ), member( other.member ) {} |
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175 | |
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176 | UntypedOffsetofExpr::~UntypedOffsetofExpr() { |
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177 | delete type; |
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178 | } |
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179 | |
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180 | void UntypedOffsetofExpr::print( std::ostream &os, int indent) const { |
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181 | os << std::string( indent, ' ' ) << "Untyped Offsetof Expression on member " << member << " of "; |
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182 | |
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183 | if ( type ) { |
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184 | type->print(os, indent + 2); |
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185 | } else { |
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186 | os << "<NULL>"; |
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187 | } |
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188 | |
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189 | os << std::endl; |
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190 | Expression::print( os, indent ); |
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191 | } |
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192 | |
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193 | OffsetofExpr::OffsetofExpr( Type *type_, DeclarationWithType *member_, Expression *_aname ) : |
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194 | Expression( _aname ), type(type_), member(member_) { |
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195 | add_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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196 | } |
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197 | |
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198 | OffsetofExpr::OffsetofExpr( const OffsetofExpr &other ) : |
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199 | Expression( other ), type( maybeClone( other.type ) ), member( maybeClone( other.member ) ) {} |
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200 | |
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201 | OffsetofExpr::~OffsetofExpr() { |
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202 | delete type; |
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203 | delete member; |
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204 | } |
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205 | |
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206 | void OffsetofExpr::print( std::ostream &os, int indent) const { |
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207 | os << std::string( indent, ' ' ) << "Offsetof Expression on member "; |
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208 | |
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209 | if ( member ) { |
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210 | os << member->get_name(); |
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211 | } else { |
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212 | os << "<NULL>"; |
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213 | } |
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214 | |
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215 | os << " of "; |
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216 | |
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217 | if ( type ) { |
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218 | type->print(os, indent + 2); |
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219 | } else { |
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220 | os << "<NULL>"; |
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221 | } |
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222 | |
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223 | os << std::endl; |
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224 | Expression::print( os, indent ); |
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225 | } |
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226 | |
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227 | OffsetPackExpr::OffsetPackExpr( StructInstType *type_, Expression *aname_ ) : Expression( aname_ ), type( type_ ) { |
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228 | add_result( new ArrayType( Type::Qualifiers(), new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), 0, false, false ) ); |
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229 | } |
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230 | |
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231 | OffsetPackExpr::OffsetPackExpr( const OffsetPackExpr &other ) : Expression( other ), type( maybeClone( other.type ) ) {} |
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232 | |
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233 | OffsetPackExpr::~OffsetPackExpr() { delete type; } |
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234 | |
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235 | void OffsetPackExpr::print( std::ostream &os, int indent ) const { |
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236 | os << std::string( indent, ' ' ) << "Offset pack expression on "; |
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237 | |
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238 | if ( type ) { |
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239 | type->print(os, indent + 2); |
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240 | } else { |
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241 | os << "<NULL>"; |
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242 | } |
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243 | |
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244 | os << std::endl; |
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245 | Expression::print( os, indent ); |
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246 | } |
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247 | |
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248 | AttrExpr::AttrExpr( Expression *attr, Expression *expr_, Expression *_aname ) : |
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249 | Expression( _aname ), attr( attr ), expr(expr_), type(0), isType(false) { |
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250 | } |
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251 | |
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252 | AttrExpr::AttrExpr( Expression *attr, Type *type_, Expression *_aname ) : |
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253 | Expression( _aname ), attr( attr ), expr(0), type(type_), isType(true) { |
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254 | } |
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255 | |
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256 | AttrExpr::AttrExpr( const AttrExpr &other ) : |
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257 | Expression( other ), attr( maybeClone( other.attr ) ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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258 | } |
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259 | |
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260 | AttrExpr::~AttrExpr() { |
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261 | delete attr; |
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262 | delete expr; |
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263 | delete type; |
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264 | } |
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265 | |
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266 | void AttrExpr::print( std::ostream &os, int indent) const { |
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267 | os << std::string( indent, ' ' ) << "Attr "; |
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268 | attr->print( os, indent + 2 ); |
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269 | if ( isType || expr ) { |
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270 | os << "applied to: "; |
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271 | |
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272 | if (isType) |
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273 | type->print(os, indent + 2); |
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274 | else |
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275 | expr->print(os, indent + 2); |
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276 | } // if |
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277 | |
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278 | os << std::endl; |
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279 | Expression::print( os, indent ); |
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280 | } |
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281 | |
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282 | CastExpr::CastExpr( Expression *arg_, Type *toType, Expression *_aname ) : Expression( _aname ), arg(arg_) { |
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283 | add_result(toType); |
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284 | } |
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285 | |
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286 | CastExpr::CastExpr( Expression *arg_, Expression *_aname ) : Expression( _aname ), arg(arg_) { |
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287 | } |
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288 | |
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289 | CastExpr::CastExpr( const CastExpr &other ) : Expression( other ), arg( maybeClone( other.arg ) ) { |
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290 | } |
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291 | |
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292 | CastExpr::~CastExpr() { |
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293 | delete arg; |
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294 | } |
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295 | |
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296 | // CastExpr *CastExpr::clone() const { return 0; } |
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297 | |
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298 | void CastExpr::print( std::ostream &os, int indent ) const { |
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299 | os << "Cast of:" << std::endl << std::string( indent+2, ' ' ); |
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300 | arg->print(os, indent+2); |
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301 | os << std::endl << std::string( indent, ' ' ) << "to:" << std::endl; |
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302 | if ( results.empty() ) { |
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303 | os << std::string( indent+2, ' ' ) << "nothing" << std::endl; |
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304 | } else { |
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305 | printAll(results, os, indent+2); |
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306 | } // if |
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307 | Expression::print( os, indent ); |
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308 | } |
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309 | |
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310 | UntypedMemberExpr::UntypedMemberExpr( std::string _member, Expression *_aggregate, Expression *_aname ) : |
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311 | Expression( _aname ), member(_member), aggregate(_aggregate) {} |
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312 | |
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313 | UntypedMemberExpr::UntypedMemberExpr( const UntypedMemberExpr &other ) : |
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314 | Expression( other ), member( other.member ), aggregate( maybeClone( other.aggregate ) ) { |
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315 | } |
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316 | |
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317 | UntypedMemberExpr::~UntypedMemberExpr() { |
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318 | delete aggregate; |
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319 | } |
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320 | |
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321 | void UntypedMemberExpr::print( std::ostream &os, int indent ) const { |
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322 | os << "Untyped Member Expression, with field: " << get_member(); |
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323 | |
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324 | Expression *agg = get_aggregate(); |
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325 | os << ", from aggregate: "; |
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326 | if (agg != 0) { |
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327 | agg->print(os, indent + 2); |
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328 | } |
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329 | os << std::string( indent+2, ' ' ); |
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330 | Expression::print( os, indent ); |
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331 | } |
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332 | |
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333 | |
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334 | MemberExpr::MemberExpr( DeclarationWithType *_member, Expression *_aggregate, Expression *_aname ) : |
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335 | Expression( _aname ), member(_member), aggregate(_aggregate) { |
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336 | add_result( member->get_type()->clone() ); |
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337 | for ( std::list< Type* >::iterator i = get_results().begin(); i != get_results().end(); ++i ) { |
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338 | (*i)->set_isLvalue( true ); |
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339 | } // for |
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340 | } |
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341 | |
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342 | MemberExpr::MemberExpr( const MemberExpr &other ) : |
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343 | Expression( other ), member( maybeClone( other.member ) ), aggregate( maybeClone( other.aggregate ) ) { |
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344 | } |
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345 | |
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346 | MemberExpr::~MemberExpr() { |
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347 | delete member; |
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348 | delete aggregate; |
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349 | } |
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350 | |
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351 | void MemberExpr::print( std::ostream &os, int indent ) const { |
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352 | os << "Member Expression, with field: " << std::endl; |
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353 | |
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354 | assert( member ); |
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355 | os << std::string( indent + 2, ' ' ); |
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356 | member->print( os, indent + 2 ); |
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357 | os << std::endl; |
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358 | |
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359 | Expression *agg = get_aggregate(); |
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360 | os << std::string( indent, ' ' ) << "from aggregate: " << std::endl; |
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361 | if (agg != 0) { |
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362 | agg->print(os, indent + 2); |
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363 | } |
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364 | os << std::string( indent+2, ' ' ); |
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365 | Expression::print( os, indent ); |
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366 | } |
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367 | |
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368 | |
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369 | UntypedExpr::UntypedExpr( Expression *_function, Expression *_aname ) : Expression( _aname ), function( _function ) {} |
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370 | |
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371 | UntypedExpr::UntypedExpr( const UntypedExpr &other ) : |
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372 | Expression( other ), function( maybeClone( other.function ) ) { |
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373 | cloneAll( other.args, args ); |
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374 | } |
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375 | |
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376 | UntypedExpr::UntypedExpr( Expression *_function, std::list<Expression *> &_args, Expression *_aname ) : |
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377 | Expression( _aname ), function(_function), args(_args) {} |
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378 | |
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379 | UntypedExpr::~UntypedExpr() {} |
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380 | |
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381 | void UntypedExpr::print( std::ostream &os, int indent ) const { |
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382 | os << "Applying untyped: " << std::endl; |
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383 | os << std::string( indent+4, ' ' ); |
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384 | function->print(os, indent + 4); |
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385 | os << std::string( indent, ' ' ) << "...to: " << std::endl; |
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386 | printAll(args, os, indent + 4); |
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387 | Expression::print( os, indent ); |
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388 | } |
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389 | |
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390 | void UntypedExpr::printArgs( std::ostream &os, int indent ) const { |
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391 | std::list<Expression *>::const_iterator i; |
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392 | for (i = args.begin(); i != args.end(); i++) { |
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393 | os << std::string(indent, ' ' ); |
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394 | (*i)->print(os, indent); |
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395 | } |
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396 | } |
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397 | |
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398 | NameExpr::NameExpr( std::string _name, Expression *_aname ) : Expression( _aname ), name(_name) {} |
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399 | |
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400 | NameExpr::NameExpr( const NameExpr &other ) : Expression( other ), name( other.name ) { |
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401 | } |
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402 | |
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403 | NameExpr::~NameExpr() {} |
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404 | |
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405 | void NameExpr::print( std::ostream &os, int indent ) const { |
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406 | os << "Name: " << get_name() << std::endl; |
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407 | Expression::print( os, indent ); |
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408 | } |
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409 | |
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410 | LogicalExpr::LogicalExpr( Expression *arg1_, Expression *arg2_, bool andp, Expression *_aname ) : |
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411 | Expression( _aname ), arg1(arg1_), arg2(arg2_), isAnd(andp) { |
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412 | add_result( new BasicType( Type::Qualifiers(), BasicType::SignedInt ) ); |
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413 | } |
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414 | |
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415 | LogicalExpr::LogicalExpr( const LogicalExpr &other ) : |
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416 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), isAnd( other.isAnd ) { |
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417 | } |
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418 | |
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419 | LogicalExpr::~LogicalExpr() { |
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420 | delete arg1; |
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421 | delete arg2; |
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422 | } |
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423 | |
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424 | void LogicalExpr::print( std::ostream &os, int indent )const { |
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425 | os << std::string( indent, ' ' ) << "Short-circuited operation (" << (isAnd?"and":"or") << ") on: "; |
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426 | arg1->print(os); |
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427 | os << " and "; |
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428 | arg2->print(os); |
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429 | os << std::endl; |
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430 | Expression::print( os, indent ); |
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431 | } |
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432 | |
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433 | ConditionalExpr::ConditionalExpr( Expression *arg1_, Expression *arg2_, Expression *arg3_, Expression *_aname ) : |
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434 | Expression( _aname ), arg1(arg1_), arg2(arg2_), arg3(arg3_) {} |
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435 | |
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436 | ConditionalExpr::ConditionalExpr( const ConditionalExpr &other ) : |
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437 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), arg3( maybeClone( other.arg3 ) ) { |
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438 | } |
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439 | |
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440 | ConditionalExpr::~ConditionalExpr() { |
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441 | delete arg1; |
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442 | delete arg2; |
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443 | delete arg3; |
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444 | } |
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445 | |
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446 | void ConditionalExpr::print( std::ostream &os, int indent ) const { |
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447 | os << std::string( indent, ' ' ) << "Conditional expression on: " << std::endl; |
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448 | arg1->print( os, indent+2 ); |
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449 | os << std::string( indent, ' ' ) << "First alternative:" << std::endl; |
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450 | arg2->print( os, indent+2 ); |
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451 | os << std::string( indent, ' ' ) << "Second alternative:" << std::endl; |
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452 | arg3->print( os, indent+2 ); |
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453 | os << std::endl; |
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454 | Expression::print( os, indent ); |
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455 | } |
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456 | |
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457 | AsmExpr::AsmExpr( const AsmExpr & other ) : inout( maybeClone( other.inout ) ), constraint( maybeClone( other.constraint ) ), operand( maybeClone( other.operand ) ) {} |
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458 | |
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459 | |
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460 | void AsmExpr::print( std::ostream &os, int indent ) const { |
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461 | os << "Asm Expression: " << std::endl; |
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462 | if ( inout ) inout->print( os, indent + 2 ); |
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463 | if ( constraint ) constraint->print( os, indent + 2 ); |
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464 | if ( operand ) operand->print( os, indent + 2 ); |
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465 | } |
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466 | |
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467 | |
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468 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( ApplicationExpr * callExpr ) : callExpr( callExpr ) { |
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469 | assert( callExpr ); |
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470 | cloneAll( callExpr->get_results(), results ); |
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471 | } |
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472 | |
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473 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other ) : Expression( other ), callExpr( maybeClone( other.callExpr ) ) { |
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474 | cloneAll( other.tempDecls, tempDecls ); |
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475 | cloneAll( other.returnDecls, returnDecls ); |
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476 | cloneAll( other.dtors, dtors ); |
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477 | } |
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478 | |
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479 | ImplicitCopyCtorExpr::~ImplicitCopyCtorExpr() { |
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480 | delete callExpr; |
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481 | deleteAll( tempDecls ); |
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482 | deleteAll( returnDecls ); |
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483 | deleteAll( dtors ); |
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484 | } |
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485 | |
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486 | void ImplicitCopyCtorExpr::print( std::ostream &os, int indent ) const { |
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487 | os << std::string( indent, ' ' ) << "Implicit Copy Constructor Expression: " << std::endl; |
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488 | assert( callExpr ); |
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489 | callExpr->print( os, indent + 2 ); |
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490 | os << std::endl << std::string( indent, ' ' ) << "with temporaries:" << std::endl; |
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491 | printAll(tempDecls, os, indent+2); |
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492 | os << std::endl << std::string( indent, ' ' ) << "with return temporaries:" << std::endl; |
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493 | printAll(returnDecls, os, indent+2); |
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494 | Expression::print( os, indent ); |
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495 | } |
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496 | |
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497 | UntypedValofExpr::UntypedValofExpr( const UntypedValofExpr & other ) : Expression( other ), body ( maybeClone( other.body ) ) {} |
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498 | |
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499 | UntypedValofExpr::~UntypedValofExpr() { delete body; } |
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500 | |
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501 | void UntypedValofExpr::print( std::ostream &os, int indent ) const { |
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502 | os << std::string( indent, ' ' ) << "Valof Expression: " << std::endl; |
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503 | if ( get_body() != 0 ) |
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504 | get_body()->print( os, indent + 2 ); |
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505 | } |
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506 | |
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507 | |
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508 | CompoundLiteralExpr::CompoundLiteralExpr( Type * type, Initializer * initializer ) : type( type ), initializer( initializer ) { |
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509 | add_result( type->clone() ); |
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510 | } |
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511 | |
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512 | CompoundLiteralExpr::CompoundLiteralExpr( const CompoundLiteralExpr &other ) : Expression( other ), type( maybeClone( other.type ) ), initializer( maybeClone( other.initializer ) ) {} |
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513 | |
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514 | CompoundLiteralExpr::~CompoundLiteralExpr() { |
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515 | delete initializer; |
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516 | delete type; |
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517 | } |
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518 | |
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519 | void CompoundLiteralExpr::print( std::ostream &os, int indent ) const { |
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520 | os << "Compound Literal Expression: " << std::endl; |
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521 | if ( type ) type->print( os, indent + 2 ); |
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522 | if ( initializer ) initializer->print( os, indent + 2 ); |
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523 | } |
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524 | |
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525 | |
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526 | std::ostream & operator<<( std::ostream & out, Expression * expr ) { |
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527 | expr->print( out ); |
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528 | return out; |
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529 | } |
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530 | |
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531 | // Local Variables: // |
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532 | // tab-width: 4 // |
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533 | // mode: c++ // |
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534 | // compile-command: "make install" // |
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535 | // End: // |
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