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 : Peter A. Buhr |
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12 | // Last Modified On : Tue Jul 25 14:15:47 2017 |
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13 | // Update Count : 54 |
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14 | // |
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15 | |
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16 | #include "SynTree/Expression.h" |
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17 | |
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18 | #include <cassert> // for assert, assertf |
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19 | #include <iostream> // for ostream, operator<<, basic_ostream |
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20 | #include <list> // for list, _List_iterator, list<>::co... |
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21 | |
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22 | #include "Common/utility.h" // for maybeClone, cloneAll, deleteAll |
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23 | #include "Declaration.h" // for ObjectDecl, DeclarationWithType |
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24 | #include "Expression.h" // for Expression, ImplicitCopyCtorExpr |
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25 | #include "InitTweak/InitTweak.h" // for getCallArg, getPointerBase |
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26 | #include "Initializer.h" // for Designation, Initializer |
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27 | #include "Statement.h" // for CompoundStmt, ExprStmt, Statement |
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28 | #include "SynTree/BaseSyntaxNode.h" // for BaseSyntaxNode |
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29 | #include "SynTree/Constant.h" // for Constant |
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30 | #include "Type.h" // for Type, BasicType, Type::Qualifiers |
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31 | #include "TypeSubstitution.h" // for TypeSubstitution |
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32 | |
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33 | #include "GenPoly/Lvalue.h" |
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34 | |
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35 | Expression::Expression() : result( 0 ), env( 0 ) {} |
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36 | |
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37 | Expression::Expression( const Expression &other ) : BaseSyntaxNode( other ), result( maybeClone( other.result ) ), env( maybeClone( other.env ) ), extension( other.extension ) { |
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38 | } |
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39 | |
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40 | Expression::~Expression() { |
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41 | delete env; |
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42 | delete result; |
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43 | } |
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44 | |
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45 | void Expression::print( std::ostream &os, Indenter indent ) const { |
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46 | if ( env ) { |
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47 | os << std::endl << indent << "... with environment:" << std::endl; |
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48 | env->print( os, indent+1 ); |
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49 | } // if |
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50 | |
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51 | if ( extension ) { |
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52 | os << std::endl << indent << "... with extension:"; |
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53 | } // if |
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54 | } |
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55 | |
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56 | ConstantExpr::ConstantExpr( Constant _c ) : Expression(), constant( _c ) { |
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57 | set_result( constant.get_type()->clone() ); |
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58 | } |
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59 | |
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60 | ConstantExpr::ConstantExpr( const ConstantExpr &other) : Expression( other ), constant( other.constant ) { |
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61 | } |
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62 | |
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63 | ConstantExpr::~ConstantExpr() {} |
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64 | |
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65 | void ConstantExpr::print( std::ostream &os, Indenter indent ) const { |
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66 | os << "constant expression " ; |
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67 | constant.print( os ); |
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68 | Expression::print( os, indent ); |
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69 | } |
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70 | |
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71 | VariableExpr::VariableExpr( DeclarationWithType *_var ) : Expression(), var( _var ) { |
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72 | assert( var ); |
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73 | assert( var->get_type() ); |
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74 | Type * type = var->get_type()->clone(); |
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75 | type->set_lvalue( true ); |
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76 | set_result( type ); |
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77 | } |
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78 | |
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79 | VariableExpr::VariableExpr( const VariableExpr &other ) : Expression( other ), var( other.var ) { |
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80 | } |
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81 | |
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82 | VariableExpr::~VariableExpr() { |
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83 | // don't delete the declaration, since it points somewhere else in the tree |
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84 | } |
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85 | |
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86 | VariableExpr * VariableExpr::functionPointer( FunctionDecl * func ) { |
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87 | VariableExpr * funcExpr = new VariableExpr( func ); |
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88 | funcExpr->set_result( new PointerType( Type::Qualifiers(), funcExpr->get_result() ) ); |
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89 | return funcExpr; |
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90 | } |
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91 | |
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92 | void VariableExpr::print( std::ostream &os, Indenter indent ) const { |
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93 | os << "Variable Expression: "; |
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94 | var->printShort(os, indent); |
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95 | Expression::print( os, indent ); |
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96 | } |
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97 | |
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98 | SizeofExpr::SizeofExpr( Expression *expr_ ) : |
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99 | Expression(), expr(expr_), type(0), isType(false) { |
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100 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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101 | } |
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102 | |
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103 | SizeofExpr::SizeofExpr( Type *type_ ) : |
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104 | Expression(), expr(0), type(type_), isType(true) { |
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105 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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106 | } |
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107 | |
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108 | SizeofExpr::SizeofExpr( const SizeofExpr &other ) : |
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109 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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110 | } |
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111 | |
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112 | SizeofExpr::~SizeofExpr() { |
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113 | delete expr; |
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114 | delete type; |
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115 | } |
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116 | |
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117 | void SizeofExpr::print( std::ostream &os, Indenter indent) const { |
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118 | os << "Sizeof Expression on: "; |
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119 | if (isType) type->print(os, indent+1); |
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120 | else expr->print(os, indent+1); |
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121 | Expression::print( os, indent ); |
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122 | } |
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123 | |
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124 | AlignofExpr::AlignofExpr( Expression *expr_ ) : |
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125 | Expression(), expr(expr_), type(0), isType(false) { |
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126 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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127 | } |
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128 | |
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129 | AlignofExpr::AlignofExpr( Type *type_ ) : |
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130 | Expression(), expr(0), type(type_), isType(true) { |
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131 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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132 | } |
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133 | |
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134 | AlignofExpr::AlignofExpr( const AlignofExpr &other ) : |
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135 | Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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136 | } |
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137 | |
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138 | AlignofExpr::~AlignofExpr() { |
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139 | delete expr; |
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140 | delete type; |
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141 | } |
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142 | |
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143 | void AlignofExpr::print( std::ostream &os, Indenter indent) const { |
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144 | os << "Alignof Expression on: "; |
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145 | if (isType) type->print(os, indent+1); |
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146 | else expr->print(os, indent+1); |
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147 | Expression::print( os, indent ); |
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148 | } |
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149 | |
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150 | UntypedOffsetofExpr::UntypedOffsetofExpr( Type *type, const std::string &member ) : |
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151 | Expression(), type(type), member(member) { |
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152 | assert( type ); |
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153 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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154 | } |
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155 | |
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156 | UntypedOffsetofExpr::UntypedOffsetofExpr( const UntypedOffsetofExpr &other ) : |
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157 | Expression( other ), type( maybeClone( other.type ) ), member( other.member ) {} |
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158 | |
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159 | UntypedOffsetofExpr::~UntypedOffsetofExpr() { |
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160 | delete type; |
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161 | } |
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162 | |
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163 | void UntypedOffsetofExpr::print( std::ostream &os, Indenter indent) const { |
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164 | os << "Untyped Offsetof Expression on member " << member << " of "; |
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165 | type->print(os, indent+1); |
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166 | Expression::print( os, indent ); |
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167 | } |
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168 | |
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169 | OffsetofExpr::OffsetofExpr( Type *type, DeclarationWithType *member ) : |
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170 | Expression(), type(type), member(member) { |
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171 | assert( member ); |
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172 | assert( type ); |
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173 | set_result( new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ) ); |
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174 | } |
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175 | |
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176 | OffsetofExpr::OffsetofExpr( const OffsetofExpr &other ) : |
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177 | Expression( other ), type( maybeClone( other.type ) ), member( other.member ) {} |
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178 | |
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179 | OffsetofExpr::~OffsetofExpr() { |
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180 | delete type; |
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181 | } |
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182 | |
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183 | void OffsetofExpr::print( std::ostream &os, Indenter indent) const { |
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184 | os << "Offsetof Expression on member " << member->name << " of "; |
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185 | type->print(os, indent+1); |
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186 | Expression::print( os, indent ); |
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187 | } |
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188 | |
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189 | OffsetPackExpr::OffsetPackExpr( StructInstType *type ) : Expression(), type( type ) { |
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190 | assert( type ); |
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191 | set_result( new ArrayType( Type::Qualifiers(), new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt ), 0, false, false ) ); |
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192 | } |
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193 | |
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194 | OffsetPackExpr::OffsetPackExpr( const OffsetPackExpr &other ) : Expression( other ), type( maybeClone( other.type ) ) {} |
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195 | |
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196 | OffsetPackExpr::~OffsetPackExpr() { delete type; } |
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197 | |
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198 | void OffsetPackExpr::print( std::ostream &os, Indenter indent ) const { |
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199 | os << "Offset pack expression on "; |
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200 | type->print(os, indent+1); |
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201 | Expression::print( os, indent ); |
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202 | } |
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203 | |
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204 | AttrExpr::AttrExpr( Expression *attr, Expression *expr_ ) : |
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205 | Expression(), attr( attr ), expr(expr_), type(0), isType(false) { |
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206 | } |
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207 | |
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208 | AttrExpr::AttrExpr( Expression *attr, Type *type_ ) : |
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209 | Expression(), attr( attr ), expr(0), type(type_), isType(true) { |
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210 | } |
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211 | |
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212 | AttrExpr::AttrExpr( const AttrExpr &other ) : |
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213 | Expression( other ), attr( maybeClone( other.attr ) ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) { |
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214 | } |
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215 | |
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216 | AttrExpr::~AttrExpr() { |
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217 | delete attr; |
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218 | delete expr; |
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219 | delete type; |
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220 | } |
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221 | |
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222 | void AttrExpr::print( std::ostream &os, Indenter indent) const { |
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223 | os << "Attr "; |
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224 | attr->print( os, indent+1); |
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225 | if ( isType || expr ) { |
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226 | os << "applied to: "; |
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227 | if (isType) type->print(os, indent+1); |
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228 | else expr->print(os, indent+1); |
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229 | } // if |
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230 | Expression::print( os, indent ); |
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231 | } |
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232 | |
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233 | CastExpr::CastExpr( Expression *arg_, Type *toType ) : Expression(), arg(arg_) { |
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234 | set_result(toType); |
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235 | } |
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236 | |
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237 | CastExpr::CastExpr( Expression *arg_ ) : Expression(), arg(arg_) { |
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238 | set_result( new VoidType( Type::Qualifiers() ) ); |
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239 | } |
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240 | |
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241 | CastExpr::CastExpr( const CastExpr &other ) : Expression( other ), arg( maybeClone( other.arg ) ) { |
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242 | } |
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243 | |
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244 | CastExpr::~CastExpr() { |
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245 | delete arg; |
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246 | } |
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247 | |
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248 | void CastExpr::print( std::ostream &os, Indenter indent ) const { |
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249 | os << "Cast of:" << std::endl << indent+1; |
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250 | arg->print(os, indent+1); |
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251 | os << std::endl << indent << "... to:"; |
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252 | if ( result->isVoid() ) { |
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253 | os << " nothing"; |
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254 | } else { |
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255 | os << std::endl << indent+1; |
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256 | result->print( os, indent+1 ); |
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257 | } // if |
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258 | Expression::print( os, indent ); |
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259 | } |
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260 | |
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261 | VirtualCastExpr::VirtualCastExpr( Expression *arg_, Type *toType ) : Expression(), arg(arg_) { |
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262 | set_result(toType); |
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263 | } |
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264 | |
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265 | VirtualCastExpr::VirtualCastExpr( const VirtualCastExpr &other ) : Expression( other ), arg( maybeClone( other.arg ) ) { |
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266 | } |
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267 | |
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268 | VirtualCastExpr::~VirtualCastExpr() { |
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269 | delete arg; |
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270 | } |
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271 | |
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272 | void VirtualCastExpr::print( std::ostream &os, Indenter indent ) const { |
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273 | os << "Virtual Cast of:" << std::endl << indent+1; |
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274 | arg->print(os, indent+1); |
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275 | os << std::endl << indent << "... to:"; |
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276 | if ( ! result ) { |
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277 | os << " unknown"; |
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278 | } else { |
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279 | os << std::endl << indent+1; |
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280 | result->print( os, indent+1 ); |
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281 | } // if |
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282 | Expression::print( os, indent ); |
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283 | } |
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284 | |
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285 | UntypedMemberExpr::UntypedMemberExpr( Expression * member, Expression *aggregate ) : |
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286 | Expression(), member(member), aggregate(aggregate) { |
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287 | assert( aggregate ); |
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288 | } |
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289 | |
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290 | UntypedMemberExpr::UntypedMemberExpr( const UntypedMemberExpr &other ) : |
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291 | Expression( other ), member( maybeClone( other.member ) ), aggregate( maybeClone( other.aggregate ) ) { |
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292 | } |
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293 | |
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294 | UntypedMemberExpr::~UntypedMemberExpr() { |
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295 | delete aggregate; |
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296 | delete member; |
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297 | } |
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298 | |
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299 | void UntypedMemberExpr::print( std::ostream &os, Indenter indent ) const { |
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300 | os << "Untyped Member Expression, with field: " << std::endl << indent+1; |
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301 | member->print(os, indent+1 ); |
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302 | os << indent << "... from aggregate: " << std::endl << indent+1; |
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303 | aggregate->print(os, indent+1); |
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304 | Expression::print( os, indent ); |
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305 | } |
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306 | |
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307 | namespace { |
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308 | TypeSubstitution makeSub( Type * t ) { |
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309 | if ( ReferenceType * refType = dynamic_cast< ReferenceType * >( t ) ) { |
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310 | return makeSub( refType->get_base() ); |
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311 | } else if ( StructInstType * aggInst = dynamic_cast< StructInstType * >( t ) ) { |
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312 | return TypeSubstitution( aggInst->get_baseParameters()->begin(), aggInst->get_baseParameters()->end(), aggInst->get_parameters().begin() ); |
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313 | } else if ( UnionInstType * aggInst = dynamic_cast< UnionInstType * >( t ) ) { |
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314 | return TypeSubstitution( aggInst->get_baseParameters()->begin(), aggInst->get_baseParameters()->end(), aggInst->get_parameters().begin() ); |
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315 | } else { |
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316 | assertf( false, "makeSub expects struct or union type for aggregate, but got: %s", toString( t ).c_str() ); |
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317 | } |
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318 | } |
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319 | } |
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320 | |
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321 | |
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322 | MemberExpr::MemberExpr( DeclarationWithType *member, Expression *aggregate ) : |
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323 | Expression(), member(member), aggregate(aggregate) { |
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324 | assert( member ); |
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325 | assert( aggregate ); |
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326 | |
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327 | TypeSubstitution sub( makeSub( aggregate->get_result() ) ); |
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328 | Type * res = member->get_type()->clone(); |
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329 | sub.apply( res ); |
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330 | set_result( res ); |
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331 | get_result()->set_lvalue( true ); |
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332 | } |
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333 | |
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334 | MemberExpr::MemberExpr( const MemberExpr &other ) : |
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335 | Expression( other ), member( other.member ), aggregate( maybeClone( other.aggregate ) ) { |
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336 | } |
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337 | |
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338 | MemberExpr::~MemberExpr() { |
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339 | // don't delete the member declaration, since it points somewhere else in the tree |
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340 | delete aggregate; |
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341 | } |
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342 | |
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343 | void MemberExpr::print( std::ostream &os, Indenter indent ) const { |
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344 | os << "Member Expression, with field: " << std::endl; |
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345 | os << indent+1; |
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346 | member->print( os, indent+1 ); |
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347 | os << std::endl << indent << "... from aggregate: " << std::endl << indent+1; |
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348 | aggregate->print(os, indent + 1); |
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349 | Expression::print( os, indent ); |
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350 | } |
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351 | |
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352 | UntypedExpr::UntypedExpr( Expression *function, const std::list<Expression *> &args ) : |
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353 | Expression(), function(function), args(args) {} |
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354 | |
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355 | UntypedExpr::UntypedExpr( const UntypedExpr &other ) : |
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356 | Expression( other ), function( maybeClone( other.function ) ) { |
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357 | cloneAll( other.args, args ); |
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358 | } |
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359 | |
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360 | UntypedExpr::~UntypedExpr() { |
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361 | delete function; |
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362 | deleteAll( args ); |
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363 | } |
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364 | |
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365 | UntypedExpr * UntypedExpr::createDeref( Expression * expr ) { |
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366 | UntypedExpr * ret = new UntypedExpr( new NameExpr("*?"), std::list< Expression * >{ expr } ); |
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367 | if ( Type * type = expr->get_result() ) { |
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368 | Type * base = InitTweak::getPointerBase( type ); |
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369 | assertf( base, "expected pointer type in dereference (type was %s)", toString( type ).c_str() ); |
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370 | ret->set_result( base->clone() ); |
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371 | if ( GenPoly::referencesPermissable() ) { |
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372 | // if references are still allowed in the AST, dereference returns a reference |
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373 | ret->set_result( new ReferenceType( Type::Qualifiers(), ret->get_result() ) ); |
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374 | } else { |
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375 | // references have been removed, in which case dereference returns an lvalue of the base type. |
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376 | ret->get_result()->set_lvalue( true ); |
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377 | } |
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378 | } |
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379 | return ret; |
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380 | } |
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381 | |
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382 | UntypedExpr * UntypedExpr::createAssign( Expression * arg1, Expression * arg2 ) { |
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383 | assert( arg1 && arg2 ); |
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384 | UntypedExpr * ret = new UntypedExpr( new NameExpr( "?=?" ), std::list< Expression * >{ arg1, arg2 } ); |
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385 | if ( arg1->get_result() && arg2->get_result() ) { |
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386 | // if both expressions are typed, assumes that this assignment is a C bitwise assignment, |
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387 | // so the result is the type of the RHS |
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388 | ret->set_result( arg2->get_result()->clone() ); |
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389 | } |
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390 | return ret; |
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391 | } |
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392 | |
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393 | |
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394 | void UntypedExpr::print( std::ostream &os, Indenter indent ) const { |
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395 | os << "Applying untyped: " << std::endl; |
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396 | os << indent+1; |
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397 | function->print(os, indent+1); |
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398 | os << std::endl << indent << "...to: " << std::endl; |
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399 | printAll(args, os, indent+1); |
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400 | Expression::print( os, indent ); |
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401 | } |
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402 | |
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403 | NameExpr::NameExpr( std::string name ) : Expression(), name(name) { |
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404 | assertf(name != "0", "Zero is not a valid name"); |
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405 | assertf(name != "1", "One is not a valid name"); |
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406 | } |
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407 | |
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408 | NameExpr::NameExpr( const NameExpr &other ) : Expression( other ), name( other.name ) { |
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409 | } |
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410 | |
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411 | NameExpr::~NameExpr() {} |
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412 | |
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413 | void NameExpr::print( std::ostream &os, Indenter indent ) const { |
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414 | os << "Name: " << get_name(); |
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415 | Expression::print( os, indent ); |
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416 | } |
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417 | |
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418 | LogicalExpr::LogicalExpr( Expression *arg1_, Expression *arg2_, bool andp ) : |
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419 | Expression(), arg1(arg1_), arg2(arg2_), isAnd(andp) { |
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420 | set_result( new BasicType( Type::Qualifiers(), BasicType::SignedInt ) ); |
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421 | } |
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422 | |
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423 | LogicalExpr::LogicalExpr( const LogicalExpr &other ) : |
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424 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), isAnd( other.isAnd ) { |
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425 | } |
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426 | |
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427 | LogicalExpr::~LogicalExpr() { |
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428 | delete arg1; |
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429 | delete arg2; |
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430 | } |
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431 | |
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432 | void LogicalExpr::print( std::ostream &os, Indenter indent )const { |
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433 | os << "Short-circuited operation (" << (isAnd ? "and" : "or") << ") on: "; |
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434 | arg1->print(os); |
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435 | os << " and "; |
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436 | arg2->print(os); |
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437 | Expression::print( os, indent ); |
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438 | } |
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439 | |
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440 | ConditionalExpr::ConditionalExpr( Expression * arg1, Expression * arg2, Expression * arg3 ) : |
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441 | Expression(), arg1(arg1), arg2(arg2), arg3(arg3) {} |
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442 | |
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443 | ConditionalExpr::ConditionalExpr( const ConditionalExpr &other ) : |
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444 | Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), arg3( maybeClone( other.arg3 ) ) { |
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445 | } |
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446 | |
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447 | ConditionalExpr::~ConditionalExpr() { |
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448 | delete arg1; |
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449 | delete arg2; |
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450 | delete arg3; |
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451 | } |
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452 | |
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453 | void ConditionalExpr::print( std::ostream &os, Indenter indent ) const { |
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454 | os << "Conditional expression on: " << std::endl << indent+1; |
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455 | arg1->print( os, indent+1 ); |
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456 | os << indent << "First alternative:" << std::endl << indent+1; |
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457 | arg2->print( os, indent+1 ); |
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458 | os << indent << "Second alternative:" << std::endl << indent+1; |
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459 | arg3->print( os, indent+1 ); |
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460 | Expression::print( os, indent ); |
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461 | } |
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462 | |
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463 | AsmExpr::AsmExpr( const AsmExpr & other ) : Expression( other ), inout( maybeClone( other.inout ) ), constraint( maybeClone( other.constraint ) ), operand( maybeClone( other.operand ) ) {} |
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464 | |
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465 | |
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466 | void AsmExpr::print( std::ostream &os, Indenter indent ) const { |
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467 | os << "Asm Expression: " << std::endl; |
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468 | if ( inout ) inout->print( os, indent+1 ); |
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469 | if ( constraint ) constraint->print( os, indent+1 ); |
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470 | if ( operand ) operand->print( os, indent+1 ); |
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471 | } |
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472 | |
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473 | |
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474 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( ApplicationExpr * callExpr ) : callExpr( callExpr ) { |
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475 | assert( callExpr ); |
---|
476 | assert( callExpr->result ); |
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477 | set_result( callExpr->get_result()->clone() ); |
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478 | } |
---|
479 | |
---|
480 | ImplicitCopyCtorExpr::ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other ) : Expression( other ), callExpr( maybeClone( other.callExpr ) ) { |
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481 | cloneAll( other.tempDecls, tempDecls ); |
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482 | cloneAll( other.returnDecls, returnDecls ); |
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483 | cloneAll( other.dtors, dtors ); |
---|
484 | } |
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485 | |
---|
486 | ImplicitCopyCtorExpr::~ImplicitCopyCtorExpr() { |
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487 | set_env( nullptr ); // ImplicitCopyCtorExpr does not take ownership of an environment |
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488 | delete callExpr; |
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489 | deleteAll( tempDecls ); |
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490 | deleteAll( returnDecls ); |
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491 | deleteAll( dtors ); |
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492 | } |
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493 | |
---|
494 | void ImplicitCopyCtorExpr::print( std::ostream &os, Indenter indent ) const { |
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495 | os << "Implicit Copy Constructor Expression: " << std::endl << indent+1; |
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496 | callExpr->print( os, indent+1 ); |
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497 | os << std::endl << indent << "... with temporaries:" << std::endl; |
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498 | printAll( tempDecls, os, indent+1 ); |
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499 | os << std::endl << indent << "... with return temporaries:" << std::endl; |
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500 | printAll( returnDecls, os, indent+1 ); |
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501 | Expression::print( os, indent ); |
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502 | } |
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503 | |
---|
504 | |
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505 | ConstructorExpr::ConstructorExpr( Expression * callExpr ) : callExpr( callExpr ) { |
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506 | // allow resolver to type a constructor used as an expression as if it has the same type as its first argument |
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507 | assert( callExpr ); |
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508 | Expression * arg = InitTweak::getCallArg( callExpr, 0 ); |
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509 | assert( arg ); |
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510 | set_result( maybeClone( arg->result ) ); |
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511 | } |
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512 | |
---|
513 | ConstructorExpr::ConstructorExpr( const ConstructorExpr & other ) : Expression( other ), callExpr( maybeClone( other.callExpr ) ) { |
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514 | } |
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515 | |
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516 | ConstructorExpr::~ConstructorExpr() { |
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517 | delete callExpr; |
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518 | } |
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519 | |
---|
520 | void ConstructorExpr::print( std::ostream &os, Indenter indent ) const { |
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521 | os << "Constructor Expression: " << std::endl << indent+1; |
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522 | callExpr->print( os, indent + 2 ); |
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523 | Expression::print( os, indent ); |
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524 | } |
---|
525 | |
---|
526 | |
---|
527 | CompoundLiteralExpr::CompoundLiteralExpr( Type * type, Initializer * initializer ) : initializer( initializer ) { |
---|
528 | assert( type && initializer ); |
---|
529 | type->set_lvalue( true ); |
---|
530 | set_result( type ); |
---|
531 | } |
---|
532 | |
---|
533 | CompoundLiteralExpr::CompoundLiteralExpr( const CompoundLiteralExpr &other ) : Expression( other ), initializer( other.initializer->clone() ) {} |
---|
534 | |
---|
535 | CompoundLiteralExpr::~CompoundLiteralExpr() { |
---|
536 | delete initializer; |
---|
537 | } |
---|
538 | |
---|
539 | void CompoundLiteralExpr::print( std::ostream &os, Indenter indent ) const { |
---|
540 | os << "Compound Literal Expression: " << std::endl << indent+1; |
---|
541 | result->print( os, indent+1 ); |
---|
542 | os << indent+1; |
---|
543 | initializer->print( os, indent+1 ); |
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544 | Expression::print( os, indent ); |
---|
545 | } |
---|
546 | |
---|
547 | RangeExpr::RangeExpr( Expression *low, Expression *high ) : low( low ), high( high ) {} |
---|
548 | RangeExpr::RangeExpr( const RangeExpr &other ) : Expression( other ), low( other.low->clone() ), high( other.high->clone() ) {} |
---|
549 | void RangeExpr::print( std::ostream &os, Indenter indent ) const { |
---|
550 | os << "Range Expression: "; |
---|
551 | low->print( os, indent ); |
---|
552 | os << " ... "; |
---|
553 | high->print( os, indent ); |
---|
554 | Expression::print( os, indent ); |
---|
555 | } |
---|
556 | |
---|
557 | StmtExpr::StmtExpr( CompoundStmt *statements ) : statements( statements ) { |
---|
558 | assert( statements ); |
---|
559 | std::list< Statement * > & body = statements->get_kids(); |
---|
560 | if ( ! body.empty() ) { |
---|
561 | if ( ExprStmt * exprStmt = dynamic_cast< ExprStmt * >( body.back() ) ) { |
---|
562 | set_result( maybeClone( exprStmt->get_expr()->get_result() ) ); |
---|
563 | } |
---|
564 | } |
---|
565 | // ensure that StmtExpr has a result type |
---|
566 | if ( ! result ) { |
---|
567 | set_result( new VoidType( Type::Qualifiers() ) ); |
---|
568 | } |
---|
569 | } |
---|
570 | StmtExpr::StmtExpr( const StmtExpr &other ) : Expression( other ), statements( other.statements->clone() ) { |
---|
571 | cloneAll( other.returnDecls, returnDecls ); |
---|
572 | cloneAll( other.dtors, dtors ); |
---|
573 | } |
---|
574 | StmtExpr::~StmtExpr() { |
---|
575 | delete statements; |
---|
576 | deleteAll( dtors ); |
---|
577 | deleteAll( returnDecls ); |
---|
578 | } |
---|
579 | void StmtExpr::print( std::ostream &os, Indenter indent ) const { |
---|
580 | os << "Statement Expression: " << std::endl << indent+1; |
---|
581 | statements->print( os, indent+1 ); |
---|
582 | if ( ! returnDecls.empty() ) { |
---|
583 | os << indent+1 << "... with returnDecls: "; |
---|
584 | printAll( returnDecls, os, indent+1 ); |
---|
585 | } |
---|
586 | if ( ! dtors.empty() ) { |
---|
587 | os << indent+1 << "... with dtors: "; |
---|
588 | printAll( dtors, os, indent+1 ); |
---|
589 | } |
---|
590 | Expression::print( os, indent ); |
---|
591 | } |
---|
592 | |
---|
593 | |
---|
594 | long long UniqueExpr::count = 0; |
---|
595 | UniqueExpr::UniqueExpr( Expression *expr, long long idVal ) : expr( expr ), object( nullptr ), var( nullptr ), id( idVal ) { |
---|
596 | assert( expr ); |
---|
597 | assert( count != -1 ); |
---|
598 | if ( id == -1 ) id = count++; |
---|
599 | if ( expr->get_result() ) { |
---|
600 | set_result( expr->get_result()->clone() ); |
---|
601 | } |
---|
602 | } |
---|
603 | UniqueExpr::UniqueExpr( const UniqueExpr &other ) : Expression( other ), expr( maybeClone( other.expr ) ), object( maybeClone( other.object ) ), var( maybeClone( other.var ) ), id( other.id ) { |
---|
604 | } |
---|
605 | UniqueExpr::~UniqueExpr() { |
---|
606 | delete expr; |
---|
607 | delete object; |
---|
608 | delete var; |
---|
609 | } |
---|
610 | void UniqueExpr::print( std::ostream &os, Indenter indent ) const { |
---|
611 | os << "Unique Expression with id:" << id << std::endl << indent+1; |
---|
612 | expr->print( os, indent+1 ); |
---|
613 | if ( object ) { |
---|
614 | os << indent << "... with decl: "; |
---|
615 | get_object()->printShort( os, indent+1 ); |
---|
616 | } |
---|
617 | Expression::print( os, indent ); |
---|
618 | } |
---|
619 | |
---|
620 | InitAlternative::InitAlternative( Type * type, Designation * designation ) : type( type ), designation( designation ) {} |
---|
621 | InitAlternative::InitAlternative( const InitAlternative & other ) : type( maybeClone( other.type ) ), designation( maybeClone( other.designation ) ) {} |
---|
622 | InitAlternative::~InitAlternative() { |
---|
623 | delete type; |
---|
624 | delete designation; |
---|
625 | } |
---|
626 | |
---|
627 | UntypedInitExpr::UntypedInitExpr( Expression * expr, const std::list<InitAlternative> & initAlts ) : expr( expr ), initAlts( initAlts ) {} |
---|
628 | UntypedInitExpr::UntypedInitExpr( const UntypedInitExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), initAlts( other.initAlts ) {} |
---|
629 | UntypedInitExpr::~UntypedInitExpr() { |
---|
630 | delete expr; |
---|
631 | } |
---|
632 | |
---|
633 | void UntypedInitExpr::print( std::ostream & os, Indenter indent ) const { |
---|
634 | os << "Untyped Init Expression" << std::endl << indent+1; |
---|
635 | expr->print( os, indent+1 ); |
---|
636 | if ( ! initAlts.empty() ) { |
---|
637 | for ( const InitAlternative & alt : initAlts ) { |
---|
638 | os << indent+1 << "InitAlternative: "; |
---|
639 | alt.type->print( os, indent+1 ); |
---|
640 | alt.designation->print( os, indent+1 ); |
---|
641 | } |
---|
642 | } |
---|
643 | } |
---|
644 | |
---|
645 | InitExpr::InitExpr( Expression * expr, Designation * designation ) : expr( expr ), designation( designation ) { |
---|
646 | set_result( expr->get_result()->clone() ); |
---|
647 | } |
---|
648 | InitExpr::InitExpr( const InitExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ), designation( maybeClone( other.designation) ) {} |
---|
649 | InitExpr::~InitExpr() { |
---|
650 | delete expr; |
---|
651 | delete designation; |
---|
652 | } |
---|
653 | |
---|
654 | void InitExpr::print( std::ostream & os, Indenter indent ) const { |
---|
655 | os << "Init Expression" << std::endl << indent+1; |
---|
656 | expr->print( os, indent+1 ); |
---|
657 | os << indent+1 << "... with designation: "; |
---|
658 | designation->print( os, indent+1 ); |
---|
659 | } |
---|
660 | |
---|
661 | // Local Variables: // |
---|
662 | // tab-width: 4 // |
---|
663 | // mode: c++ // |
---|
664 | // compile-command: "make install" // |
---|
665 | // End: // |
---|