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 | // ExpressionNode.cc -- |
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8 | // |
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9 | // Author : Rodolfo G. Esteves |
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10 | // Created On : Sat May 16 13:17:07 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Fri Aug 5 11:39:25 2016 |
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13 | // Update Count : 391 |
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14 | // |
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15 | |
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16 | #include <cassert> |
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17 | #include <cctype> |
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18 | #include <algorithm> |
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19 | #include <sstream> |
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20 | #include <cstdio> |
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21 | |
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22 | #include "ParseNode.h" |
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23 | #include "TypeData.h" |
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24 | #include "SynTree/Constant.h" |
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25 | #include "SynTree/Expression.h" |
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26 | #include "SynTree/Declaration.h" |
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27 | #include "Common/UnimplementedError.h" |
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28 | #include "parseutility.h" |
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29 | #include "Common/utility.h" |
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30 | |
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31 | using namespace std; |
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32 | |
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33 | ExpressionNode::ExpressionNode() : ParseNode() {} |
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34 | |
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35 | ExpressionNode::ExpressionNode( const string *name ) : ParseNode( name ) {} |
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36 | |
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37 | ExpressionNode::ExpressionNode( const ExpressionNode &other ) : ParseNode( other.name ), extension( other.extension ) { |
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38 | if ( other.argName ) { |
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39 | argName = other.argName->clone(); |
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40 | } else { |
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41 | argName = 0; |
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42 | } // if |
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43 | } |
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44 | |
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45 | ExpressionNode * ExpressionNode::set_argName( const std::string *aName ) { |
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46 | argName = new VarRefNode( aName ); |
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47 | return this; |
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48 | } |
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49 | |
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50 | ExpressionNode * ExpressionNode::set_argName( ExpressionNode *aDesignator ) { |
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51 | argName = aDesignator; |
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52 | return this; |
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53 | } |
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54 | |
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55 | void ExpressionNode::printDesignation( std::ostream &os, int indent ) const { |
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56 | if ( argName ) { |
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57 | os << string( indent, ' ' ) << "(designated by: "; |
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58 | argName->printOneLine( os, indent ); |
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59 | os << ")" << std::endl; |
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60 | } // if |
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61 | } |
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62 | |
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63 | //############################################################################## |
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64 | |
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65 | NullExprNode::NullExprNode() {} |
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66 | |
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67 | NullExprNode *NullExprNode::clone() const { |
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68 | return new NullExprNode(); |
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69 | } |
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70 | |
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71 | void NullExprNode::print( std::ostream & os, int indent ) const { |
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72 | printDesignation( os ); |
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73 | os << "null expression"; |
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74 | } |
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75 | |
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76 | void NullExprNode::printOneLine( std::ostream & os, int indent ) const { |
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77 | printDesignation( os ); |
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78 | os << "null"; |
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79 | } |
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80 | |
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81 | Expression *NullExprNode::build() const { |
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82 | return 0; |
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83 | } |
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84 | |
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85 | // CommaExprNode *ExpressionNode::add_to_list( ExpressionNode *exp ) { |
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86 | // return new CommaExprNode( this, exp ); |
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87 | // } |
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88 | |
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89 | //############################################################################## |
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90 | |
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91 | ConstantNode::ConstantNode( ConstantExpr *expr ) : expr( expr ) { |
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92 | } // ConstantNode::ConstantNode |
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93 | |
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94 | ConstantNode *ConstantNode::appendstr( const std::string *newValue ) { |
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95 | assert( newValue != 0 ); |
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96 | |
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97 | string value = expr->get_constant()->get_value(); |
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98 | |
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99 | // "abc" "def" "ghi" => "abcdefghi", remove new text from quotes and insert before last quote in old string. |
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100 | value.insert( value.length() - 1, newValue->substr( 1, newValue->length() - 2 ) ); |
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101 | expr->get_constant()->set_value( value ); |
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102 | |
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103 | delete newValue; // allocated by lexer |
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104 | return this; |
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105 | } |
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106 | |
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107 | void ConstantNode::printOneLine( std::ostream &os, int indent ) const { |
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108 | // os << string( indent, ' ' ); |
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109 | // printDesignation( os ); |
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110 | |
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111 | // switch ( type ) { |
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112 | // case Integer: |
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113 | // case Float: |
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114 | // os << value ; |
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115 | // break; |
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116 | // case Character: |
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117 | // os << "'" << value << "'"; |
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118 | // break; |
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119 | // case String: |
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120 | // os << '"' << value << '"'; |
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121 | // break; |
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122 | // } // switch |
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123 | |
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124 | // os << ' '; |
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125 | } |
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126 | |
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127 | void ConstantNode::print( std::ostream &os, int indent ) const { |
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128 | printOneLine( os, indent ); |
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129 | os << endl; |
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130 | } |
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131 | |
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132 | Expression *ConstantNode::build() const { |
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133 | return expr->clone(); |
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134 | } |
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135 | |
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136 | //############################################################################## |
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137 | |
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138 | VarRefNode::VarRefNode() : isLabel( false ) {} |
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139 | |
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140 | VarRefNode::VarRefNode( const string *name_, bool labelp ) : ExpressionNode( name_ ), isLabel( labelp ) {} |
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141 | |
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142 | VarRefNode::VarRefNode( const VarRefNode &other ) : ExpressionNode( other ), isLabel( other.isLabel ) { |
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143 | } |
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144 | |
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145 | Expression *VarRefNode::build() const { |
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146 | return new NameExpr( get_name(), maybeBuild< Expression >( get_argName() ) ); |
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147 | } |
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148 | |
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149 | void VarRefNode::printOneLine( std::ostream &os, int indent ) const { |
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150 | printDesignation( os ); |
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151 | os << get_name() << ' '; |
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152 | } |
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153 | |
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154 | void VarRefNode::print( std::ostream &os, int indent ) const { |
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155 | printDesignation( os ); |
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156 | os << string( indent, ' ' ) << "Referencing: "; |
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157 | os << "Variable: " << get_name(); |
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158 | os << endl; |
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159 | } |
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160 | |
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161 | //############################################################################## |
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162 | |
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163 | DesignatorNode::DesignatorNode( ExpressionNode *expr, bool isArrayIndex ) : isArrayIndex( isArrayIndex ) { |
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164 | set_argName( expr ); |
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165 | assert( get_argName() ); |
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166 | |
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167 | if ( ! isArrayIndex ) { |
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168 | if ( VarRefNode * var = dynamic_cast< VarRefNode * >( expr ) ) { |
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169 | |
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170 | stringstream ss( var->get_name() ); |
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171 | double value; |
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172 | if ( ss >> value ) { |
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173 | // this is a floating point constant. It MUST be |
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174 | // ".0" or ".1", otherwise the program is invalid |
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175 | if ( ! (var->get_name() == ".0" || var->get_name() == ".1") ) { |
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176 | throw SemanticError( "invalid designator name: " + var->get_name() ); |
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177 | } // if |
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178 | var->set_name( var->get_name().substr(1) ); |
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179 | } // if |
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180 | } // if |
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181 | } // if |
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182 | } |
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183 | |
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184 | DesignatorNode::DesignatorNode( const DesignatorNode &other ) : ExpressionNode( other ), isArrayIndex( other.isArrayIndex ) { |
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185 | } |
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186 | |
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187 | class DesignatorFixer : public Mutator { |
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188 | public: |
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189 | virtual Expression* mutate( NameExpr *nameExpr ) { |
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190 | if ( nameExpr->get_name() == "0" || nameExpr->get_name() == "1" ) { |
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191 | Constant val( new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nameExpr->get_name() ); |
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192 | delete nameExpr; |
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193 | return new ConstantExpr( val ); |
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194 | } |
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195 | return nameExpr; |
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196 | } |
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197 | }; |
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198 | |
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199 | Expression *DesignatorNode::build() const { |
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200 | Expression * ret = maybeBuild<Expression>(get_argName()); |
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201 | |
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202 | if ( isArrayIndex ) { |
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203 | // need to traverse entire structure and change any instances of 0 or 1 to |
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204 | // ConstantExpr |
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205 | DesignatorFixer fixer; |
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206 | ret = ret->acceptMutator( fixer ); |
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207 | } // if |
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208 | |
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209 | return ret; |
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210 | } |
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211 | |
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212 | void DesignatorNode::printOneLine( std::ostream &os, int indent ) const { |
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213 | if ( get_argName() ) { |
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214 | if ( isArrayIndex ) { |
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215 | os << "["; |
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216 | get_argName()->printOneLine( os, indent ); |
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217 | os << "]"; |
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218 | } else { |
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219 | os << "."; |
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220 | get_argName()->printOneLine( os, indent ); |
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221 | } |
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222 | } // if |
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223 | } |
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224 | |
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225 | void DesignatorNode::print( std::ostream &os, int indent ) const { |
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226 | if ( get_argName() ) { |
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227 | if ( isArrayIndex ) { |
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228 | os << "["; |
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229 | get_argName()->print( os, indent ); |
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230 | os << "]"; |
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231 | } else { |
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232 | os << "."; |
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233 | get_argName()->print( os, indent ); |
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234 | } |
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235 | } // if |
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236 | } |
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237 | |
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238 | //############################################################################## |
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239 | |
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240 | static const char *opName[] = { |
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241 | "TupleC", "Comma", "TupleFieldSel", // "TuplePFieldSel", // n-adic |
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242 | // triadic |
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243 | "Cond", "NCond", |
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244 | // diadic |
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245 | "SizeOf", "AlignOf", "OffsetOf", "Attr", "?+?", "?-?", "?*?", "?/?", "?%?", "||", "&&", |
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246 | "?|?", "?&?", "?^?", "Cast", "?<<?", "?>>?", "?<?", "?>?", "?<=?", "?>=?", "?==?", "?!=?", |
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247 | "?=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?", |
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248 | "?[?]", "FieldSel", "PFieldSel", "...", |
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249 | // monadic |
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250 | "+?", "-?", "AddressOf", "*?", "!?", "~?", "++?", "?++", "--?", "?--", "&&" |
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251 | }; |
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252 | |
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253 | OperatorNode::OperatorNode( Type t ) : type( t ) {} |
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254 | |
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255 | OperatorNode::OperatorNode( const OperatorNode &other ) : ExpressionNode( other ), type( other.type ) { |
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256 | } |
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257 | |
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258 | OperatorNode::~OperatorNode() {} |
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259 | |
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260 | OperatorNode::Type OperatorNode::get_type( void ) const { |
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261 | return type; |
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262 | } |
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263 | |
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264 | void OperatorNode::printOneLine( std::ostream &os, int indent ) const { |
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265 | printDesignation( os ); |
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266 | os << opName[ type ] << ' '; |
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267 | } |
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268 | |
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269 | void OperatorNode::print( std::ostream &os, int indent ) const{ |
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270 | printDesignation( os ); |
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271 | os << string( indent, ' ' ) << "Operator: " << opName[type] << endl; |
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272 | return; |
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273 | } |
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274 | |
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275 | const char *OperatorNode::get_typename( void ) const{ |
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276 | return opName[ type ]; |
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277 | } |
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278 | |
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279 | //############################################################################## |
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280 | |
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281 | CompositeExprNode::CompositeExprNode() : ExpressionNode(), function( 0 ), arguments( 0 ) { |
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282 | } |
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283 | |
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284 | CompositeExprNode::CompositeExprNode( const string *name_ ) : ExpressionNode( name_ ), function( 0 ), arguments( 0 ) { |
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285 | } |
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286 | |
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287 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *args ): |
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288 | function( f ), arguments( args ) { |
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289 | } |
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290 | |
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291 | CompositeExprNode::CompositeExprNode( ExpressionNode *f, ExpressionNode *arg1, ExpressionNode *arg2 ): |
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292 | function( f ), arguments( arg1 ) { |
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293 | arguments->set_link( arg2 ); |
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294 | } |
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295 | |
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296 | CompositeExprNode::CompositeExprNode( const CompositeExprNode &other ) : ExpressionNode( other ), function( maybeClone( other.function ) ), arguments( 0 ) { |
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297 | ParseNode *cur = other.arguments; |
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298 | while ( cur ) { |
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299 | if ( arguments ) { |
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300 | arguments->set_link( cur->clone() ); |
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301 | } else { |
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302 | arguments = ( ExpressionNode*)cur->clone(); |
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303 | } // if |
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304 | cur = cur->get_link(); |
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305 | } |
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306 | } |
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307 | |
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308 | CompositeExprNode::~CompositeExprNode() { |
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309 | delete function; |
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310 | delete arguments; |
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311 | } |
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312 | |
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313 | |
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314 | Expression *build_cast( TypeValueNode * arg, ExpressionNode *expr_node ) { |
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315 | DeclarationNode *decl_node = arg->get_decl(); |
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316 | |
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317 | Type *targetType = decl_node->buildType(); |
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318 | if ( dynamic_cast< VoidType* >( targetType ) ) { |
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319 | delete targetType; |
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320 | return new CastExpr( maybeBuild<Expression>(expr_node) ); |
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321 | } else { |
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322 | return new CastExpr( maybeBuild<Expression>(expr_node), targetType ); |
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323 | } // if |
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324 | } |
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325 | |
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326 | Expression *build_fieldSel( ExpressionNode *expr_node, VarRefNode *member ) { |
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327 | NameExpr* memberExpr = dynamic_cast<NameExpr*> ( maybeBuild<Expression>( member) ); |
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328 | assert( memberExpr ); |
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329 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberExpr->get_name(), maybeBuild<Expression>(expr_node) ); |
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330 | delete member; |
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331 | return ret; |
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332 | } |
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333 | |
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334 | Expression *build_pfieldSel( ExpressionNode *expr_node, VarRefNode *member ) { |
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335 | NameExpr* memberExpr = dynamic_cast<NameExpr*> ( maybeBuild<Expression>( member) ); |
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336 | assert( memberExpr ); |
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337 | UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) ); |
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338 | deref->get_args().push_back( maybeBuild<Expression>(expr_node) ); |
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339 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberExpr->get_name(), deref ); |
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340 | delete member; |
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341 | return ret; |
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342 | } |
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343 | |
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344 | Expression *build_addressOf( ExpressionNode *expr_node ) { |
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345 | return new AddressExpr( maybeBuild<Expression>(expr_node) ); |
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346 | } |
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347 | Expression *build_sizeOf( ExpressionNode *expr_node ) { |
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348 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr_node ) ) { |
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349 | return new SizeofExpr( arg->get_decl()->buildType() ); |
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350 | } else { |
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351 | return new SizeofExpr( maybeBuild<Expression>(expr_node) ); |
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352 | } // if |
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353 | } |
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354 | Expression *build_alignOf( ExpressionNode *expr_node ) { |
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355 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr_node ) ) { |
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356 | return new AlignofExpr( arg->get_decl()->buildType() ); |
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357 | } else { |
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358 | return new AlignofExpr( maybeBuild<Expression>(expr_node) ); |
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359 | } // if |
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360 | } |
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361 | Expression *build_offsetOf( TypeValueNode * arg, VarRefNode *member ) { |
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362 | NameExpr *memberExpr = dynamic_cast<NameExpr *>( maybeBuild<Expression>( member ) ); |
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363 | assert( memberExpr ); |
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364 | return new UntypedOffsetofExpr( arg->get_decl()->buildType(), memberExpr->get_name() ); |
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365 | } |
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366 | |
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367 | Expression *build_and_or( ExpressionNode *expr_node1, ExpressionNode *expr_node2, bool kind ) { |
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368 | return new LogicalExpr( notZeroExpr( maybeBuild<Expression>(expr_node1) ), notZeroExpr( maybeBuild<Expression>(expr_node2) ), kind ); |
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369 | } |
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370 | |
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371 | Expression *build_unary_val( OperatorNode::Type op, ExpressionNode *expr_node ) { |
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372 | std::list<Expression *> args; |
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373 | args.push_back( maybeBuild<Expression>(expr_node) ); |
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374 | return new UntypedExpr( new NameExpr( opName[ op ] ), args ); |
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375 | } |
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376 | Expression *build_unary_ptr( OperatorNode::Type op, ExpressionNode *expr_node ) { |
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377 | std::list<Expression *> args; |
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378 | args.push_back( new AddressExpr( maybeBuild<Expression>(expr_node) ) ); |
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379 | return new UntypedExpr( new NameExpr( opName[ op ] ), args ); |
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380 | } |
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381 | Expression *build_binary_val( OperatorNode::Type op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) { |
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382 | std::list<Expression *> args; |
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383 | args.push_back( maybeBuild<Expression>(expr_node1) ); |
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384 | args.push_back( maybeBuild<Expression>(expr_node2) ); |
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385 | return new UntypedExpr( new NameExpr( opName[ op ] ), args ); |
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386 | } |
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387 | Expression *build_binary_ptr( OperatorNode::Type op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) { |
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388 | std::list<Expression *> args; |
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389 | args.push_back( new AddressExpr( maybeBuild<Expression>(expr_node1) ) ); |
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390 | args.push_back( maybeBuild<Expression>(expr_node2) ); |
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391 | return new UntypedExpr( new NameExpr( opName[ op ] ), args ); |
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392 | } |
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393 | |
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394 | Expression *build_cond( ExpressionNode *expr_node1, ExpressionNode *expr_node2, ExpressionNode *expr_node3 ) { |
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395 | return new ConditionalExpr( notZeroExpr( maybeBuild<Expression>(expr_node1) ), maybeBuild<Expression>(expr_node2), maybeBuild<Expression>(expr_node3) ); |
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396 | } |
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397 | |
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398 | Expression *build_comma( ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) { |
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399 | return new CommaExpr( maybeBuild<Expression>(expr_node1), maybeBuild<Expression>(expr_node2) ); |
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400 | } |
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401 | |
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402 | Expression *build_attr( VarRefNode *var, ExpressionNode * expr ) { |
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403 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr ) ) { |
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404 | return new AttrExpr( maybeBuild<Expression>(var), arg->get_decl()->buildType() ); |
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405 | } else { |
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406 | return new AttrExpr( maybeBuild<Expression>(var), maybeBuild<Expression>(expr) ); |
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407 | } // if |
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408 | } |
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409 | |
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410 | Expression *build_tuple( ExpressionNode * expr ) { |
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411 | TupleExpr *ret = new TupleExpr(); |
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412 | buildList( expr, ret->get_exprs() ); |
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413 | return ret; |
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414 | } |
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415 | |
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416 | Expression *build_func( ExpressionNode * function, ExpressionNode * expr ) { |
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417 | std::list<Expression *> args; |
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418 | |
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419 | buildList( expr, args ); |
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420 | return new UntypedExpr( maybeBuild<Expression>(function), args, nullptr ); |
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421 | } |
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422 | |
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423 | CompositeExprNode2::CompositeExprNode2( Expression *expr ) : expr( expr ) {} |
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424 | CompositeExprNode2::CompositeExprNode2( const CompositeExprNode2 &other ) : expr( other.expr->clone() ) {} |
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425 | CompositeExprNode2::~CompositeExprNode2() { delete expr; } |
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426 | void CompositeExprNode2::print( std::ostream &, int indent ) const { assert( false ); } |
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427 | void CompositeExprNode2::printOneLine( std::ostream &, int indent ) const { assert( false ); } |
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428 | |
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429 | |
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430 | Expression *CompositeExprNode::build() const { |
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431 | OperatorNode *op; |
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432 | std::list<Expression *> args; |
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433 | |
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434 | buildList( get_args(), args ); |
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435 | |
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436 | if ( ! ( op = dynamic_cast<OperatorNode *>( function ) ) ) { // function as opposed to operator |
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437 | return new UntypedExpr( maybeBuild<Expression>(function), args, maybeBuild< Expression >( get_argName() )); |
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438 | } // if |
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439 | |
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440 | assert( ((void)"CompositeExprNode::build", false) ); |
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441 | return nullptr; |
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442 | } |
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443 | |
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444 | void CompositeExprNode::printOneLine( std::ostream &os, int indent ) const { |
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445 | printDesignation( os ); |
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446 | os << "( "; |
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447 | function->printOneLine( os, indent ); |
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448 | for ( ExpressionNode *cur = arguments; cur != 0; cur = dynamic_cast< ExpressionNode* >( cur->get_link() ) ) { |
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449 | cur->printOneLine( os, indent ); |
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450 | } // for |
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451 | os << ") "; |
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452 | } |
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453 | |
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454 | void CompositeExprNode::print( std::ostream &os, int indent ) const { |
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455 | printDesignation( os ); |
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456 | os << string( indent, ' ' ) << "Application of: " << endl; |
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457 | function->print( os, indent + ParseNode::indent_by ); |
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458 | |
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459 | os << string( indent, ' ' ) ; |
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460 | if ( arguments ) { |
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461 | os << "... on arguments: " << endl; |
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462 | arguments->printList( os, indent + ParseNode::indent_by ); |
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463 | } else |
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464 | os << "... on no arguments: " << endl; |
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465 | } |
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466 | |
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467 | void CompositeExprNode::set_function( ExpressionNode *f ) { |
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468 | function = f; |
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469 | } |
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470 | |
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471 | void CompositeExprNode::set_args( ExpressionNode *args ) { |
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472 | arguments = args; |
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473 | } |
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474 | |
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475 | ExpressionNode *CompositeExprNode::get_function( void ) const { |
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476 | return function; |
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477 | } |
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478 | |
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479 | ExpressionNode *CompositeExprNode::get_args( void ) const { |
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480 | return arguments; |
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481 | } |
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482 | |
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483 | void CompositeExprNode::add_arg( ExpressionNode *arg ) { |
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484 | if ( arguments ) |
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485 | arguments->set_link( arg ); |
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486 | else |
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487 | set_args( arg ); |
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488 | } |
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489 | |
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490 | //############################################################################## |
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491 | |
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492 | Expression *AsmExprNode::build() const { |
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493 | return new AsmExpr( maybeBuild< Expression >( inout ), (ConstantExpr *)maybeBuild<Expression>(constraint), maybeBuild<Expression>(operand) ); |
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494 | } |
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495 | |
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496 | void AsmExprNode::print( std::ostream &os, int indent ) const { |
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497 | os << string( indent, ' ' ) << "Assembler Expression:" << endl; |
---|
498 | if ( inout ) { |
---|
499 | os << string( indent, ' ' ) << "inout: " << std::endl; |
---|
500 | inout->print( os, indent + 2 ); |
---|
501 | } // if |
---|
502 | if ( constraint ) { |
---|
503 | os << string( indent, ' ' ) << "constraint: " << std::endl; |
---|
504 | constraint->print( os, indent + 2 ); |
---|
505 | } // if |
---|
506 | if ( operand ) { |
---|
507 | os << string( indent, ' ' ) << "operand: " << std::endl; |
---|
508 | operand->print( os, indent + 2 ); |
---|
509 | } // if |
---|
510 | } |
---|
511 | |
---|
512 | void AsmExprNode::printOneLine( std::ostream &os, int indent ) const { |
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513 | printDesignation( os ); |
---|
514 | os << "( "; |
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515 | if ( inout ) inout->printOneLine( os, indent + 2 ); |
---|
516 | os << ", "; |
---|
517 | if ( constraint ) constraint->printOneLine( os, indent + 2 ); |
---|
518 | os << ", "; |
---|
519 | if ( operand ) operand->printOneLine( os, indent + 2 ); |
---|
520 | os << ") "; |
---|
521 | } |
---|
522 | |
---|
523 | //############################################################################## |
---|
524 | |
---|
525 | void LabelNode::print( std::ostream &os, int indent ) const {} |
---|
526 | |
---|
527 | void LabelNode::printOneLine( std::ostream &os, int indent ) const {} |
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528 | |
---|
529 | //############################################################################## |
---|
530 | |
---|
531 | CommaExprNode::CommaExprNode(): CompositeExprNode( new OperatorNode( OperatorNode::Comma )) {} |
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532 | |
---|
533 | CommaExprNode::CommaExprNode( ExpressionNode *exp ) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp ) { |
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534 | } |
---|
535 | |
---|
536 | CommaExprNode::CommaExprNode( ExpressionNode *exp1, ExpressionNode *exp2) : CompositeExprNode( new OperatorNode( OperatorNode::Comma ), exp1, exp2) { |
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537 | } |
---|
538 | |
---|
539 | // CommaExprNode *CommaExprNode::add_to_list( ExpressionNode *exp ) { |
---|
540 | // add_arg( exp ); |
---|
541 | // |
---|
542 | // return this; |
---|
543 | // } |
---|
544 | |
---|
545 | CommaExprNode::CommaExprNode( const CommaExprNode &other ) : CompositeExprNode( other ) { |
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546 | } |
---|
547 | |
---|
548 | //############################################################################## |
---|
549 | |
---|
550 | ValofExprNode::ValofExprNode( StatementNode *s ): body( s ) {} |
---|
551 | |
---|
552 | ValofExprNode::ValofExprNode( const ValofExprNode &other ) : ExpressionNode( other ), body( maybeClone( body ) ) { |
---|
553 | } |
---|
554 | |
---|
555 | ValofExprNode::~ValofExprNode() { |
---|
556 | delete body; |
---|
557 | } |
---|
558 | |
---|
559 | void ValofExprNode::print( std::ostream &os, int indent ) const { |
---|
560 | printDesignation( os ); |
---|
561 | os << string( indent, ' ' ) << "Valof Expression:" << std::endl; |
---|
562 | get_body()->print( os, indent + 4); |
---|
563 | } |
---|
564 | |
---|
565 | void ValofExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
566 | assert( false ); |
---|
567 | } |
---|
568 | |
---|
569 | Expression *ValofExprNode::build() const { |
---|
570 | return new UntypedValofExpr ( maybeBuild<Statement>(get_body()), maybeBuild< Expression >( get_argName() ) ); |
---|
571 | } |
---|
572 | |
---|
573 | //############################################################################## |
---|
574 | |
---|
575 | ForCtlExprNode::ForCtlExprNode( ParseNode *init_, ExpressionNode *cond, ExpressionNode *incr ) throw ( SemanticError ) : condition( cond ), change( incr ) { |
---|
576 | if ( init_ == 0 ) |
---|
577 | init = 0; |
---|
578 | else { |
---|
579 | DeclarationNode *decl; |
---|
580 | ExpressionNode *exp; |
---|
581 | |
---|
582 | if (( decl = dynamic_cast<DeclarationNode *>(init_) ) != 0) |
---|
583 | init = new StatementNode( decl ); |
---|
584 | else if (( exp = dynamic_cast<ExpressionNode *>( init_)) != 0) |
---|
585 | init = new StatementNode( StatementNode::Exp, exp ); |
---|
586 | else |
---|
587 | throw SemanticError("Error in for control expression"); |
---|
588 | } |
---|
589 | } |
---|
590 | |
---|
591 | ForCtlExprNode::ForCtlExprNode( const ForCtlExprNode &other ) |
---|
592 | : ExpressionNode( other ), init( maybeClone( other.init ) ), condition( maybeClone( other.condition ) ), change( maybeClone( other.change ) ) { |
---|
593 | } |
---|
594 | |
---|
595 | ForCtlExprNode::~ForCtlExprNode() { |
---|
596 | delete init; |
---|
597 | delete condition; |
---|
598 | delete change; |
---|
599 | } |
---|
600 | |
---|
601 | Expression *ForCtlExprNode::build() const { |
---|
602 | // this shouldn't be used! |
---|
603 | assert( false ); |
---|
604 | return 0; |
---|
605 | } |
---|
606 | |
---|
607 | void ForCtlExprNode::print( std::ostream &os, int indent ) const{ |
---|
608 | os << string( indent,' ' ) << "For Control Expression -- :" << endl; |
---|
609 | |
---|
610 | os << string( indent + 2, ' ' ) << "initialization:" << endl; |
---|
611 | if ( init != 0 ) |
---|
612 | init->printList( os, indent + 4 ); |
---|
613 | |
---|
614 | os << string( indent + 2, ' ' ) << "condition: " << endl; |
---|
615 | if ( condition != 0 ) |
---|
616 | condition->print( os, indent + 4 ); |
---|
617 | os << string( indent + 2, ' ' ) << "increment: " << endl; |
---|
618 | if ( change != 0 ) |
---|
619 | change->print( os, indent + 4 ); |
---|
620 | } |
---|
621 | |
---|
622 | void ForCtlExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
623 | assert( false ); |
---|
624 | } |
---|
625 | |
---|
626 | //############################################################################## |
---|
627 | |
---|
628 | TypeValueNode::TypeValueNode( DeclarationNode *decl ) : decl( decl ) { |
---|
629 | } |
---|
630 | |
---|
631 | TypeValueNode::TypeValueNode( const TypeValueNode &other ) : ExpressionNode( other ), decl( maybeClone( other.decl ) ) { |
---|
632 | } |
---|
633 | |
---|
634 | Expression *TypeValueNode::build() const { |
---|
635 | return new TypeExpr( decl->buildType() ); |
---|
636 | } |
---|
637 | |
---|
638 | void TypeValueNode::print( std::ostream &os, int indent ) const { |
---|
639 | os << std::string( indent, ' ' ) << "Type:"; |
---|
640 | get_decl()->print( os, indent + 2); |
---|
641 | } |
---|
642 | |
---|
643 | void TypeValueNode::printOneLine( std::ostream &os, int indent ) const { |
---|
644 | os << "Type:"; |
---|
645 | get_decl()->print( os, indent + 2); |
---|
646 | } |
---|
647 | |
---|
648 | |
---|
649 | CompoundLiteralNode::CompoundLiteralNode( DeclarationNode *type, InitializerNode *kids ) : type( type ), kids( kids ) {} |
---|
650 | CompoundLiteralNode::CompoundLiteralNode( const CompoundLiteralNode &other ) : ExpressionNode( other ), type( other.type ), kids( other.kids ) {} |
---|
651 | |
---|
652 | CompoundLiteralNode::~CompoundLiteralNode() { |
---|
653 | delete kids; |
---|
654 | delete type; |
---|
655 | } |
---|
656 | |
---|
657 | CompoundLiteralNode *CompoundLiteralNode::clone() const { |
---|
658 | return new CompoundLiteralNode( *this ); |
---|
659 | } |
---|
660 | |
---|
661 | void CompoundLiteralNode::print( std::ostream &os, int indent ) const { |
---|
662 | os << string( indent,' ' ) << "CompoundLiteralNode:" << endl; |
---|
663 | |
---|
664 | os << string( indent + 2, ' ' ) << "type:" << endl; |
---|
665 | if ( type != 0 ) |
---|
666 | type->print( os, indent + 4 ); |
---|
667 | |
---|
668 | os << string( indent + 2, ' ' ) << "initialization:" << endl; |
---|
669 | if ( kids != 0 ) |
---|
670 | kids->printList( os, indent + 4 ); |
---|
671 | } |
---|
672 | |
---|
673 | void CompoundLiteralNode::printOneLine( std::ostream &os, int indent ) const { |
---|
674 | os << "( "; |
---|
675 | if ( type ) type->print( os ); |
---|
676 | os << ", "; |
---|
677 | if ( kids ) kids->printOneLine( os ); |
---|
678 | os << ") "; |
---|
679 | } |
---|
680 | |
---|
681 | Expression *CompoundLiteralNode::build() const { |
---|
682 | Declaration * newDecl = maybeBuild<Declaration>(type); // compound literal type |
---|
683 | if ( DeclarationWithType * newDeclWithType = dynamic_cast< DeclarationWithType * >( newDecl ) ) { // non-sue compound-literal type |
---|
684 | return new CompoundLiteralExpr( newDeclWithType->get_type(), maybeBuild<Initializer>(kids) ); |
---|
685 | // these types do not have associated type information |
---|
686 | } else if ( StructDecl * newDeclStructDecl = dynamic_cast< StructDecl * >( newDecl ) ) { |
---|
687 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
688 | } else if ( UnionDecl * newDeclUnionDecl = dynamic_cast< UnionDecl * >( newDecl ) ) { |
---|
689 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
690 | } else if ( EnumDecl * newDeclEnumDecl = dynamic_cast< EnumDecl * >( newDecl ) ) { |
---|
691 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
692 | } else { |
---|
693 | assert( false ); |
---|
694 | } // if |
---|
695 | } |
---|
696 | |
---|
697 | ExpressionNode *flattenCommas( ExpressionNode *list ) { |
---|
698 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( list ) ) { |
---|
699 | OperatorNode *op; |
---|
700 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::Comma ) ) { |
---|
701 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
702 | composite->add_arg( next ); |
---|
703 | return flattenCommas( composite->get_args() ); |
---|
704 | } // if |
---|
705 | } // if |
---|
706 | |
---|
707 | if ( ExpressionNode *next = dynamic_cast< ExpressionNode * >( list->get_link() ) ) |
---|
708 | list->set_next( flattenCommas( next ) ); |
---|
709 | |
---|
710 | return list; |
---|
711 | } |
---|
712 | |
---|
713 | ExpressionNode *tupleContents( ExpressionNode *tuple ) { |
---|
714 | if ( CompositeExprNode *composite = dynamic_cast< CompositeExprNode * >( tuple ) ) { |
---|
715 | OperatorNode *op = 0; |
---|
716 | if ( ( op = dynamic_cast< OperatorNode * >( composite->get_function() )) && ( op->get_type() == OperatorNode::TupleC ) ) |
---|
717 | return composite->get_args(); |
---|
718 | } // if |
---|
719 | return tuple; |
---|
720 | } |
---|
721 | |
---|
722 | // Local Variables: // |
---|
723 | // tab-width: 4 // |
---|
724 | // mode: c++ // |
---|
725 | // compile-command: "make install" // |
---|
726 | // End: // |
---|