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