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 : Sun Aug 7 09:23:12 2016 |
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13 | // Update Count : 437 |
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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 <climits> |
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19 | #include <cstdio> |
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20 | #include <algorithm> |
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21 | #include <sstream> |
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22 | |
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23 | #include "ParseNode.h" |
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24 | #include "TypeData.h" |
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25 | #include "SynTree/Constant.h" |
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26 | #include "SynTree/Expression.h" |
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27 | #include "SynTree/Declaration.h" |
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28 | #include "Common/UnimplementedError.h" |
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29 | #include "parseutility.h" |
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30 | #include "Common/utility.h" |
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31 | |
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32 | using namespace std; |
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33 | |
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34 | ExpressionNode::ExpressionNode() : ParseNode() {} |
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35 | |
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36 | ExpressionNode::ExpressionNode( const string *name ) : ParseNode( name ) {} |
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37 | |
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38 | ExpressionNode::ExpressionNode( const ExpressionNode &other ) : ParseNode( other.name ), extension( other.extension ) { |
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39 | if ( other.argName ) { |
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40 | std::cout << "ExpressionNode" << std::endl; |
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41 | argName = other.argName->clone(); |
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42 | } else { |
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43 | argName = 0; |
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44 | } // if |
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45 | } |
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46 | |
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47 | ExpressionNode * ExpressionNode::set_argName( const std::string *aName ) { |
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48 | argName = new VarRefNode( aName ); |
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49 | return this; |
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50 | } |
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51 | |
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52 | ExpressionNode * ExpressionNode::set_argName( ExpressionNode *aDesignator ) { |
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53 | argName = aDesignator; |
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54 | return this; |
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55 | } |
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56 | |
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57 | void ExpressionNode::printDesignation( std::ostream &os, int indent ) const { |
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58 | if ( argName ) { |
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59 | os << string( indent, ' ' ) << "(designated by: "; |
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60 | argName->printOneLine( os, indent ); |
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61 | os << ")" << std::endl; |
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62 | } // if |
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63 | } |
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64 | |
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65 | //############################################################################## |
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66 | |
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67 | NullExprNode::NullExprNode() {} |
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68 | |
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69 | NullExprNode *NullExprNode::clone() const { |
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70 | return new NullExprNode(); |
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71 | } |
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72 | |
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73 | void NullExprNode::print( std::ostream & os, int indent ) const { |
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74 | printDesignation( os ); |
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75 | os << "null expression"; |
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76 | } |
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77 | |
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78 | void NullExprNode::printOneLine( std::ostream & os, int indent ) const { |
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79 | printDesignation( os ); |
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80 | os << "null"; |
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81 | } |
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82 | |
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83 | Expression *NullExprNode::build() const { |
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84 | return 0; |
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85 | } |
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86 | |
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87 | //############################################################################## |
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88 | |
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89 | // Difficult to separate extra parts of constants during lexing because actions are not allow in the middle of patterns: |
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90 | // |
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91 | // prefix action constant action suffix |
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92 | // |
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93 | // Alternatively, breaking a pattern using BEGIN does not work if the following pattern can be empty: |
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94 | // |
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95 | // constant BEGIN CONT ... |
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96 | // <CONT>(...)? BEGIN 0 ... // possible empty suffix |
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97 | // |
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98 | // because the CONT rule is NOT triggered if the pattern is empty. Hence, constants are reparsed here to determine their |
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99 | // type. |
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100 | |
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101 | static Type::Qualifiers emptyQualifiers; // no qualifiers on constants |
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102 | |
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103 | static inline bool checkU( char c ) { return c == 'u' || c == 'U'; } |
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104 | static inline bool checkL( char c ) { return c == 'l' || c == 'L'; } |
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105 | static inline bool checkF( char c ) { return c == 'f' || c == 'F'; } |
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106 | static inline bool checkD( char c ) { return c == 'd' || c == 'D'; } |
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107 | static inline bool checkI( char c ) { return c == 'i' || c == 'I'; } |
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108 | static inline bool checkX( char c ) { return c == 'x' || c == 'X'; } |
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109 | |
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110 | ConstantNode *build_constantInteger( std::string & str ) { |
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111 | static const BasicType::Kind kind[2][3] = { |
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112 | { BasicType::SignedInt, BasicType::LongSignedInt, BasicType::LongLongSignedInt }, |
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113 | { BasicType::UnsignedInt, BasicType::LongUnsignedInt, BasicType::LongLongUnsignedInt }, |
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114 | }; |
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115 | bool dec = true, Unsigned = false; // decimal, unsigned constant |
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116 | int size; // 0 => int, 1 => long, 2 => long long |
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117 | unsigned long long v; // converted integral value |
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118 | size_t last = str.length() - 1; // last character of constant |
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119 | |
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120 | if ( str[0] == '0' ) { // octal/hex constant ? |
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121 | dec = false; |
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122 | if ( last != 0 && checkX( str[1] ) ) { // hex constant ? |
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123 | sscanf( (char *)str.c_str(), "%llx", &v ); |
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124 | //printf( "%llx %llu\n", v, v ); |
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125 | } else { // octal constant |
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126 | sscanf( (char *)str.c_str(), "%llo", &v ); |
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127 | //printf( "%llo %llu\n", v, v ); |
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128 | } // if |
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129 | } else { // decimal constant ? |
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130 | sscanf( (char *)str.c_str(), "%llu", &v ); |
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131 | //printf( "%llu %llu\n", v, v ); |
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132 | } // if |
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133 | |
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134 | if ( v <= INT_MAX ) { // signed int |
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135 | size = 0; |
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136 | } else if ( v <= UINT_MAX && ! dec ) { // unsigned int |
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137 | size = 0; |
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138 | Unsigned = true; // unsigned |
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139 | } else if ( v <= LONG_MAX ) { // signed long int |
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140 | size = 1; |
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141 | } else if ( v <= ULONG_MAX && ( ! dec || LONG_MAX == LLONG_MAX ) ) { // signed long int |
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142 | size = 1; |
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143 | Unsigned = true; // unsigned long int |
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144 | } else if ( v <= LLONG_MAX ) { // signed long long int |
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145 | size = 2; |
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146 | } else { // unsigned long long int |
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147 | size = 2; |
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148 | Unsigned = true; // unsigned long long int |
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149 | } // if |
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150 | |
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151 | if ( checkU( str[last] ) ) { // suffix 'u' ? |
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152 | Unsigned = true; |
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153 | if ( last > 0 && checkL( str[last - 1] ) ) { // suffix 'l' ? |
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154 | size = 1; |
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155 | if ( last > 1 && checkL( str[last - 2] ) ) { // suffix 'll' ? |
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156 | size = 2; |
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157 | } // if |
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158 | } // if |
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159 | } else if ( checkL( str[ last ] ) ) { // suffix 'l' ? |
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160 | size = 1; |
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161 | if ( last > 0 && checkL( str[last - 1] ) ) { // suffix 'll' ? |
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162 | size = 2; |
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163 | if ( last > 1 && checkU( str[last - 2] ) ) { // suffix 'u' ? |
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164 | Unsigned = true; |
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165 | } // if |
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166 | } else { |
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167 | if ( last > 0 && checkU( str[last - 1] ) ) { // suffix 'u' ? |
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168 | Unsigned = true; |
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169 | } // if |
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170 | } // if |
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171 | } // if |
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172 | |
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173 | return new ConstantNode( new ConstantExpr( Constant( new BasicType( emptyQualifiers, kind[Unsigned][size] ), str ) ) ); |
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174 | } // build_constantInteger |
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175 | |
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176 | ConstantNode *build_constantFloat( std::string & str ) { |
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177 | static const BasicType::Kind kind[2][3] = { |
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178 | { BasicType::Float, BasicType::Double, BasicType::LongDouble }, |
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179 | { BasicType::FloatComplex, BasicType::DoubleComplex, BasicType::LongDoubleComplex }, |
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180 | }; |
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181 | |
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182 | bool complx = false; // real, complex |
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183 | int size = 1; // 0 => float, 1 => double (default), 2 => long double |
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184 | // floating-point constant has minimum of 2 characters: 1. or .1 |
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185 | size_t last = str.length() - 1; |
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186 | |
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187 | if ( checkI( str[last] ) ) { // imaginary ? |
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188 | complx = true; |
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189 | last -= 1; // backup one character |
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190 | } // if |
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191 | |
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192 | if ( checkF( str[last] ) ) { // float ? |
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193 | size = 0; |
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194 | } else if ( checkD( str[last] ) ) { // double ? |
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195 | size = 1; |
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196 | } else if ( checkL( str[last] ) ) { // long double ? |
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197 | size = 2; |
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198 | } // if |
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199 | if ( ! complx && checkI( str[last - 1] ) ) { // imaginary ? |
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200 | complx = true; |
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201 | } // if |
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202 | |
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203 | return new ConstantNode( new ConstantExpr( Constant( new BasicType( emptyQualifiers, kind[complx][size] ), str ) ) ); |
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204 | } // build_constantFloat |
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205 | |
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206 | ConstantNode *build_constantChar( std::string & str ) { |
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207 | return new ConstantNode( new ConstantExpr( Constant( new BasicType( emptyQualifiers, BasicType::Char ), str ) ) ); |
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208 | } // build_constantChar |
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209 | |
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210 | ConstantNode *build_constantStr( std::string & str ) { |
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211 | // string should probably be a primitive type |
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212 | ArrayType *at = new ArrayType( emptyQualifiers, new BasicType( emptyQualifiers, BasicType::Char ), |
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213 | new ConstantExpr( Constant( new BasicType( emptyQualifiers, BasicType::UnsignedInt ), |
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214 | toString( str.size()+1-2 ) ) ), // +1 for '\0' and -2 for '"' |
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215 | false, false ); |
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216 | return new ConstantNode( new ConstantExpr( Constant( at, str ) ) ); |
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217 | } // build_constantStr |
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218 | |
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219 | //############################################################################## |
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220 | |
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221 | //Expression *build_varref( ExpressionNode expr ) { |
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222 | // return new NameExpr( get_name(), maybeBuild<Expression>( get_argName() ) ); |
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223 | //} |
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224 | |
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225 | VarRefNode::VarRefNode( const string *name, bool labelp ) : ExpressionNode( name ), isLabel( labelp ) {} |
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226 | |
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227 | VarRefNode::VarRefNode( const VarRefNode &other ) : ExpressionNode( other ), isLabel( other.isLabel ) { |
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228 | } |
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229 | |
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230 | Expression *VarRefNode::build() const { |
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231 | return new NameExpr( get_name(), maybeBuild< Expression >( get_argName() ) ); |
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232 | } |
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233 | |
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234 | void VarRefNode::printOneLine( std::ostream &os, int indent ) const { |
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235 | printDesignation( os ); |
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236 | os << get_name() << ' '; |
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237 | } |
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238 | |
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239 | void VarRefNode::print( std::ostream &os, int indent ) const { |
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240 | printDesignation( os ); |
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241 | os << string( indent, ' ' ) << "Referencing: "; |
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242 | os << "Variable: " << get_name(); |
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243 | os << endl; |
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244 | } |
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245 | |
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246 | //############################################################################## |
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247 | |
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248 | DesignatorNode::DesignatorNode( ExpressionNode *expr, bool isArrayIndex ) : isArrayIndex( isArrayIndex ) { |
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249 | set_argName( expr ); |
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250 | assert( get_argName() ); |
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251 | |
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252 | if ( ! isArrayIndex ) { |
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253 | if ( VarRefNode * var = dynamic_cast< VarRefNode * >( expr ) ) { |
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254 | |
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255 | stringstream ss( var->get_name() ); |
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256 | double value; |
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257 | if ( ss >> value ) { |
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258 | // this is a floating point constant. It MUST be ".0" or ".1", otherwise the program is invalid |
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259 | if ( ! (var->get_name() == ".0" || var->get_name() == ".1") ) { |
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260 | throw SemanticError( "invalid designator name: " + var->get_name() ); |
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261 | } // if |
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262 | var->set_name( var->get_name().substr(1) ); |
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263 | } // if |
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264 | } // if |
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265 | } // if |
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266 | } |
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267 | |
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268 | DesignatorNode::DesignatorNode( const DesignatorNode &other ) : ExpressionNode( other ), isArrayIndex( other.isArrayIndex ) { |
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269 | } |
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270 | |
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271 | class DesignatorFixer : public Mutator { |
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272 | public: |
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273 | virtual Expression* mutate( NameExpr *nameExpr ) { |
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274 | if ( nameExpr->get_name() == "0" || nameExpr->get_name() == "1" ) { |
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275 | Constant val( new BasicType( Type::Qualifiers(), BasicType::SignedInt ), nameExpr->get_name() ); |
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276 | delete nameExpr; |
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277 | return new ConstantExpr( val ); |
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278 | } |
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279 | return nameExpr; |
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280 | } |
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281 | }; |
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282 | |
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283 | Expression *DesignatorNode::build() const { |
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284 | Expression * ret = maybeBuild<Expression>(get_argName()); |
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285 | |
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286 | if ( isArrayIndex ) { |
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287 | // need to traverse entire structure and change any instances of 0 or 1 to ConstantExpr |
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288 | DesignatorFixer fixer; |
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289 | ret = ret->acceptMutator( fixer ); |
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290 | } // if |
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291 | |
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292 | return ret; |
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293 | } |
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294 | |
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295 | void DesignatorNode::printOneLine( std::ostream &os, int indent ) const { |
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296 | if ( get_argName() ) { |
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297 | if ( isArrayIndex ) { |
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298 | os << "["; |
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299 | get_argName()->printOneLine( os, indent ); |
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300 | os << "]"; |
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301 | } else { |
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302 | os << "."; |
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303 | get_argName()->printOneLine( os, indent ); |
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304 | } |
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305 | } // if |
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306 | } |
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307 | |
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308 | void DesignatorNode::print( std::ostream &os, int indent ) const { |
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309 | if ( get_argName() ) { |
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310 | if ( isArrayIndex ) { |
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311 | os << "["; |
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312 | get_argName()->print( os, indent ); |
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313 | os << "]"; |
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314 | } else { |
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315 | os << "."; |
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316 | get_argName()->print( os, indent ); |
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317 | } |
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318 | } // if |
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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 | static const char *OperName[] = { |
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324 | // diadic |
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325 | "SizeOf", "AlignOf", "OffsetOf", "?+?", "?-?", "?*?", "?/?", "?%?", "||", "&&", |
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326 | "?|?", "?&?", "?^?", "Cast", "?<<?", "?>>?", "?<?", "?>?", "?<=?", "?>=?", "?==?", "?!=?", |
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327 | "?=?", "?*=?", "?/=?", "?%=?", "?+=?", "?-=?", "?<<=?", "?>>=?", "?&=?", "?^=?", "?|=?", |
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328 | "?[?]", "...", |
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329 | // monadic |
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330 | "+?", "-?", "AddressOf", "*?", "!?", "~?", "++?", "?++", "--?", "?--", "&&" |
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331 | }; |
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332 | |
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333 | //############################################################################## |
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334 | |
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335 | Expression *build_cast( TypeValueNode * arg, ExpressionNode *expr_node ) { |
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336 | DeclarationNode *decl_node = arg->get_decl(); |
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337 | |
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338 | Type *targetType = decl_node->buildType(); |
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339 | if ( dynamic_cast< VoidType* >( targetType ) ) { |
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340 | delete targetType; |
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341 | return new CastExpr( maybeBuild<Expression>(expr_node) ); |
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342 | } else { |
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343 | return new CastExpr( maybeBuild<Expression>(expr_node), targetType ); |
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344 | } // if |
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345 | } |
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346 | |
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347 | Expression *build_fieldSel( ExpressionNode *expr_node, VarRefNode *member ) { |
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348 | NameExpr* memberExpr = dynamic_cast<NameExpr*> ( maybeBuild<Expression>( member) ); |
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349 | assert( memberExpr ); |
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350 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberExpr->get_name(), maybeBuild<Expression>(expr_node) ); |
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351 | delete member; |
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352 | return ret; |
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353 | } |
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354 | |
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355 | Expression *build_pfieldSel( ExpressionNode *expr_node, VarRefNode *member ) { |
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356 | NameExpr* memberExpr = dynamic_cast<NameExpr*> ( maybeBuild<Expression>( member) ); |
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357 | assert( memberExpr ); |
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358 | UntypedExpr *deref = new UntypedExpr( new NameExpr( "*?" ) ); |
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359 | deref->get_args().push_back( maybeBuild<Expression>(expr_node) ); |
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360 | UntypedMemberExpr *ret = new UntypedMemberExpr( memberExpr->get_name(), deref ); |
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361 | delete member; |
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362 | return ret; |
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363 | } |
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364 | |
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365 | Expression *build_addressOf( ExpressionNode *expr_node ) { |
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366 | return new AddressExpr( maybeBuild<Expression>(expr_node) ); |
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367 | } |
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368 | Expression *build_sizeOf( ExpressionNode *expr_node ) { |
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369 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr_node ) ) { |
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370 | return new SizeofExpr( arg->get_decl()->buildType() ); |
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371 | } else { |
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372 | return new SizeofExpr( maybeBuild<Expression>(expr_node) ); |
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373 | } // if |
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374 | } |
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375 | Expression *build_alignOf( ExpressionNode *expr_node ) { |
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376 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr_node ) ) { |
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377 | return new AlignofExpr( arg->get_decl()->buildType() ); |
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378 | } else { |
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379 | return new AlignofExpr( maybeBuild<Expression>(expr_node) ); |
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380 | } // if |
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381 | } |
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382 | Expression *build_offsetOf( TypeValueNode * arg, VarRefNode *member ) { |
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383 | NameExpr *memberExpr = dynamic_cast<NameExpr *>( maybeBuild<Expression>( member ) ); |
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384 | assert( memberExpr ); |
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385 | return new UntypedOffsetofExpr( arg->get_decl()->buildType(), memberExpr->get_name() ); |
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386 | } |
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387 | |
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388 | Expression *build_and_or( ExpressionNode *expr_node1, ExpressionNode *expr_node2, bool kind ) { |
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389 | return new LogicalExpr( notZeroExpr( maybeBuild<Expression>(expr_node1) ), notZeroExpr( maybeBuild<Expression>(expr_node2) ), kind ); |
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390 | } |
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391 | |
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392 | Expression *build_unary_val( OperKinds op, ExpressionNode *expr_node ) { |
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393 | std::list<Expression *> args; |
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394 | args.push_back( maybeBuild<Expression>(expr_node) ); |
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395 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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396 | } |
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397 | Expression *build_unary_ptr( OperKinds op, ExpressionNode *expr_node ) { |
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398 | std::list<Expression *> args; |
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399 | args.push_back( new AddressExpr( maybeBuild<Expression>(expr_node) ) ); |
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400 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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401 | } |
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402 | Expression *build_binary_val( OperKinds op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) { |
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403 | std::list<Expression *> args; |
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404 | args.push_back( maybeBuild<Expression>(expr_node1) ); |
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405 | args.push_back( maybeBuild<Expression>(expr_node2) ); |
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406 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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407 | } |
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408 | Expression *build_binary_ptr( OperKinds op, ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) { |
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409 | std::list<Expression *> args; |
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410 | args.push_back( new AddressExpr( maybeBuild<Expression>(expr_node1) ) ); |
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411 | args.push_back( maybeBuild<Expression>(expr_node2) ); |
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412 | return new UntypedExpr( new NameExpr( OperName[ (int)op ] ), args ); |
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413 | } |
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414 | |
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415 | Expression *build_cond( ExpressionNode *expr_node1, ExpressionNode *expr_node2, ExpressionNode *expr_node3 ) { |
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416 | return new ConditionalExpr( notZeroExpr( maybeBuild<Expression>(expr_node1) ), maybeBuild<Expression>(expr_node2), maybeBuild<Expression>(expr_node3) ); |
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417 | } |
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418 | |
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419 | Expression *build_comma( ExpressionNode *expr_node1, ExpressionNode *expr_node2 ) { |
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420 | return new CommaExpr( maybeBuild<Expression>(expr_node1), maybeBuild<Expression>(expr_node2) ); |
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421 | } |
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422 | |
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423 | Expression *build_attr( VarRefNode *var, ExpressionNode * expr ) { |
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424 | if ( TypeValueNode * arg = dynamic_cast<TypeValueNode *>( expr ) ) { |
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425 | return new AttrExpr( maybeBuild<Expression>(var), arg->get_decl()->buildType() ); |
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426 | } else { |
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427 | return new AttrExpr( maybeBuild<Expression>(var), maybeBuild<Expression>(expr) ); |
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428 | } // if |
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429 | } |
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430 | |
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431 | Expression *build_tuple( ExpressionNode * expr ) { |
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432 | TupleExpr *ret = new TupleExpr(); |
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433 | buildList( expr, ret->get_exprs() ); |
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434 | return ret; |
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435 | } |
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436 | |
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437 | Expression *build_func( ExpressionNode * function, ExpressionNode * expr ) { |
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438 | std::list<Expression *> args; |
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439 | |
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440 | buildList( expr, args ); |
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441 | return new UntypedExpr( maybeBuild<Expression>(function), args, nullptr ); |
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442 | } |
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443 | |
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444 | Expression *build_range( ExpressionNode * low, ExpressionNode *high ) { |
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445 | Expression *low_cexpr = maybeBuild<Expression>( low ); |
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446 | Expression *high_cexpr = maybeBuild<Expression>( high ); |
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447 | return new RangeExpr( low_cexpr, high_cexpr ); |
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448 | } |
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449 | |
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450 | //############################################################################## |
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451 | |
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452 | Expression *AsmExprNode::build() const { |
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453 | return new AsmExpr( maybeBuild< Expression >( inout ), (ConstantExpr *)maybeBuild<Expression>(constraint), maybeBuild<Expression>(operand) ); |
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454 | } |
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455 | |
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456 | void AsmExprNode::print( std::ostream &os, int indent ) const { |
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457 | os << string( indent, ' ' ) << "Assembler Expression:" << endl; |
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458 | if ( inout ) { |
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459 | os << string( indent, ' ' ) << "inout: " << std::endl; |
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460 | inout->print( os, indent + 2 ); |
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461 | } // if |
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462 | if ( constraint ) { |
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463 | os << string( indent, ' ' ) << "constraint: " << std::endl; |
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464 | constraint->print( os, indent + 2 ); |
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465 | } // if |
---|
466 | if ( operand ) { |
---|
467 | os << string( indent, ' ' ) << "operand: " << std::endl; |
---|
468 | operand->print( os, indent + 2 ); |
---|
469 | } // if |
---|
470 | } |
---|
471 | |
---|
472 | void AsmExprNode::printOneLine( std::ostream &os, int indent ) const { |
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473 | printDesignation( os ); |
---|
474 | os << "( "; |
---|
475 | if ( inout ) inout->printOneLine( os, indent + 2 ); |
---|
476 | os << ", "; |
---|
477 | if ( constraint ) constraint->printOneLine( os, indent + 2 ); |
---|
478 | os << ", "; |
---|
479 | if ( operand ) operand->printOneLine( os, indent + 2 ); |
---|
480 | os << ") "; |
---|
481 | } |
---|
482 | |
---|
483 | //############################################################################## |
---|
484 | |
---|
485 | void LabelNode::print( std::ostream &os, int indent ) const {} |
---|
486 | |
---|
487 | void LabelNode::printOneLine( std::ostream &os, int indent ) const {} |
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488 | |
---|
489 | //############################################################################## |
---|
490 | |
---|
491 | ValofExprNode::ValofExprNode( StatementNode *s ): body( s ) {} |
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492 | |
---|
493 | ValofExprNode::ValofExprNode( const ValofExprNode &other ) : ExpressionNode( other ), body( maybeClone( body ) ) { |
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494 | } |
---|
495 | |
---|
496 | ValofExprNode::~ValofExprNode() { |
---|
497 | delete body; |
---|
498 | } |
---|
499 | |
---|
500 | void ValofExprNode::print( std::ostream &os, int indent ) const { |
---|
501 | printDesignation( os ); |
---|
502 | os << string( indent, ' ' ) << "Valof Expression:" << std::endl; |
---|
503 | get_body()->print( os, indent + 4); |
---|
504 | } |
---|
505 | |
---|
506 | void ValofExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
507 | assert( false ); |
---|
508 | } |
---|
509 | |
---|
510 | Expression *ValofExprNode::build() const { |
---|
511 | return new UntypedValofExpr ( maybeBuild<Statement>(get_body()), maybeBuild< Expression >( get_argName() ) ); |
---|
512 | } |
---|
513 | |
---|
514 | //############################################################################## |
---|
515 | |
---|
516 | ForCtlExprNode::ForCtlExprNode( ParseNode *init_, ExpressionNode *cond, ExpressionNode *incr ) throw ( SemanticError ) : condition( cond ), change( incr ) { |
---|
517 | if ( init_ == 0 ) |
---|
518 | init = 0; |
---|
519 | else { |
---|
520 | DeclarationNode *decl; |
---|
521 | ExpressionNode *exp; |
---|
522 | |
---|
523 | if (( decl = dynamic_cast<DeclarationNode *>(init_) ) != 0) |
---|
524 | init = new StatementNode( decl ); |
---|
525 | else if (( exp = dynamic_cast<ExpressionNode *>( init_)) != 0) |
---|
526 | init = new StatementNode( StatementNode::Exp, exp ); |
---|
527 | else |
---|
528 | throw SemanticError("Error in for control expression"); |
---|
529 | } |
---|
530 | } |
---|
531 | |
---|
532 | ForCtlExprNode::ForCtlExprNode( const ForCtlExprNode &other ) |
---|
533 | : ExpressionNode( other ), init( maybeClone( other.init ) ), condition( maybeClone( other.condition ) ), change( maybeClone( other.change ) ) { |
---|
534 | } |
---|
535 | |
---|
536 | ForCtlExprNode::~ForCtlExprNode() { |
---|
537 | delete init; |
---|
538 | delete condition; |
---|
539 | delete change; |
---|
540 | } |
---|
541 | |
---|
542 | Expression *ForCtlExprNode::build() const { |
---|
543 | // this shouldn't be used! |
---|
544 | assert( false ); |
---|
545 | return 0; |
---|
546 | } |
---|
547 | |
---|
548 | void ForCtlExprNode::print( std::ostream &os, int indent ) const{ |
---|
549 | os << string( indent,' ' ) << "For Control Expression -- :" << endl; |
---|
550 | |
---|
551 | os << string( indent + 2, ' ' ) << "initialization:" << endl; |
---|
552 | if ( init != 0 ) |
---|
553 | init->printList( os, indent + 4 ); |
---|
554 | |
---|
555 | os << string( indent + 2, ' ' ) << "condition: " << endl; |
---|
556 | if ( condition != 0 ) |
---|
557 | condition->print( os, indent + 4 ); |
---|
558 | os << string( indent + 2, ' ' ) << "increment: " << endl; |
---|
559 | if ( change != 0 ) |
---|
560 | change->print( os, indent + 4 ); |
---|
561 | } |
---|
562 | |
---|
563 | void ForCtlExprNode::printOneLine( std::ostream &, int indent ) const { |
---|
564 | assert( false ); |
---|
565 | } |
---|
566 | |
---|
567 | //############################################################################## |
---|
568 | |
---|
569 | TypeValueNode::TypeValueNode( DeclarationNode *decl ) : decl( decl ) { |
---|
570 | } |
---|
571 | |
---|
572 | TypeValueNode::TypeValueNode( const TypeValueNode &other ) : ExpressionNode( other ), decl( maybeClone( other.decl ) ) { |
---|
573 | } |
---|
574 | |
---|
575 | Expression *TypeValueNode::build() const { |
---|
576 | return new TypeExpr( decl->buildType() ); |
---|
577 | } |
---|
578 | |
---|
579 | void TypeValueNode::print( std::ostream &os, int indent ) const { |
---|
580 | os << std::string( indent, ' ' ) << "Type:"; |
---|
581 | get_decl()->print( os, indent + 2); |
---|
582 | } |
---|
583 | |
---|
584 | void TypeValueNode::printOneLine( std::ostream &os, int indent ) const { |
---|
585 | os << "Type:"; |
---|
586 | get_decl()->print( os, indent + 2); |
---|
587 | } |
---|
588 | |
---|
589 | |
---|
590 | CompoundLiteralNode::CompoundLiteralNode( DeclarationNode *type, InitializerNode *kids ) : type( type ), kids( kids ) {} |
---|
591 | CompoundLiteralNode::CompoundLiteralNode( const CompoundLiteralNode &other ) : ExpressionNode( other ), type( other.type ), kids( other.kids ) {} |
---|
592 | |
---|
593 | CompoundLiteralNode::~CompoundLiteralNode() { |
---|
594 | delete kids; |
---|
595 | delete type; |
---|
596 | } |
---|
597 | |
---|
598 | CompoundLiteralNode *CompoundLiteralNode::clone() const { |
---|
599 | return new CompoundLiteralNode( *this ); |
---|
600 | } |
---|
601 | |
---|
602 | void CompoundLiteralNode::print( std::ostream &os, int indent ) const { |
---|
603 | os << string( indent,' ' ) << "CompoundLiteralNode:" << endl; |
---|
604 | |
---|
605 | os << string( indent + 2, ' ' ) << "type:" << endl; |
---|
606 | if ( type != 0 ) |
---|
607 | type->print( os, indent + 4 ); |
---|
608 | |
---|
609 | os << string( indent + 2, ' ' ) << "initialization:" << endl; |
---|
610 | if ( kids != 0 ) |
---|
611 | kids->printList( os, indent + 4 ); |
---|
612 | } |
---|
613 | |
---|
614 | void CompoundLiteralNode::printOneLine( std::ostream &os, int indent ) const { |
---|
615 | os << "( "; |
---|
616 | if ( type ) type->print( os ); |
---|
617 | os << ", "; |
---|
618 | if ( kids ) kids->printOneLine( os ); |
---|
619 | os << ") "; |
---|
620 | } |
---|
621 | |
---|
622 | Expression *CompoundLiteralNode::build() const { |
---|
623 | Declaration * newDecl = maybeBuild<Declaration>(type); // compound literal type |
---|
624 | if ( DeclarationWithType * newDeclWithType = dynamic_cast< DeclarationWithType * >( newDecl ) ) { // non-sue compound-literal type |
---|
625 | return new CompoundLiteralExpr( newDeclWithType->get_type(), maybeBuild<Initializer>(kids) ); |
---|
626 | // these types do not have associated type information |
---|
627 | } else if ( StructDecl * newDeclStructDecl = dynamic_cast< StructDecl * >( newDecl ) ) { |
---|
628 | return new CompoundLiteralExpr( new StructInstType( Type::Qualifiers(), newDeclStructDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
629 | } else if ( UnionDecl * newDeclUnionDecl = dynamic_cast< UnionDecl * >( newDecl ) ) { |
---|
630 | return new CompoundLiteralExpr( new UnionInstType( Type::Qualifiers(), newDeclUnionDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
631 | } else if ( EnumDecl * newDeclEnumDecl = dynamic_cast< EnumDecl * >( newDecl ) ) { |
---|
632 | return new CompoundLiteralExpr( new EnumInstType( Type::Qualifiers(), newDeclEnumDecl->get_name() ), maybeBuild<Initializer>(kids) ); |
---|
633 | } else { |
---|
634 | assert( false ); |
---|
635 | } // if |
---|
636 | } |
---|
637 | |
---|
638 | // Local Variables: // |
---|
639 | // tab-width: 4 // |
---|
640 | // mode: c++ // |
---|
641 | // compile-command: "make install" // |
---|
642 | // End: // |
---|