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 | // Type.h -- |
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8 | // |
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9 | // Author : Richard C. Bilson |
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10 | // Created On : Mon May 18 07:44:20 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Fri Feb 26 14:34:08 2016 |
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13 | // Update Count : 19 |
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14 | // |
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15 | |
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16 | #ifndef TYPE_H |
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17 | #define TYPE_H |
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18 | |
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19 | #include "SynTree.h" |
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20 | #include "Visitor.h" |
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21 | #include "Mutator.h" |
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22 | |
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23 | class Type { |
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24 | public: |
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25 | struct Qualifiers { |
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26 | Qualifiers(): isConst( false ), isVolatile( false ), isRestrict( false ), isLvalue( false ), isAtomic( false ), isAttribute( false ) {} |
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27 | Qualifiers( bool isConst, bool isVolatile, bool isRestrict, bool isLvalue, bool isAtomic, bool isAttribute ): isConst( isConst ), isVolatile( isVolatile ), isRestrict( isRestrict ), isLvalue( isLvalue ), isAtomic( isAtomic ), isAttribute( isAttribute ) {} |
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28 | |
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29 | Qualifiers &operator+=( const Qualifiers &other ); |
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30 | Qualifiers &operator-=( const Qualifiers &other ); |
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31 | Qualifiers operator+( const Type::Qualifiers &other ); |
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32 | bool operator==( const Qualifiers &other ); |
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33 | bool operator!=( const Qualifiers &other ); |
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34 | bool operator<=( const Qualifiers &other ); |
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35 | bool operator>=( const Qualifiers &other ); |
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36 | bool operator<( const Qualifiers &other ); |
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37 | bool operator>( const Qualifiers &other ); |
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38 | |
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39 | bool isConst; |
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40 | bool isVolatile; |
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41 | bool isRestrict; |
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42 | bool isLvalue; |
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43 | bool isAtomic; |
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44 | bool isAttribute; |
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45 | }; |
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46 | |
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47 | Type( const Qualifiers &tq ); |
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48 | Type( const Type &other ); |
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49 | virtual ~Type(); |
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50 | |
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51 | Qualifiers &get_qualifiers() { return tq; } |
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52 | bool get_isConst() { return tq.isConst; } |
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53 | bool get_isVolatile() { return tq.isVolatile; } |
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54 | bool get_isRestrict() { return tq.isRestrict; } |
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55 | bool get_isLvalue() { return tq.isLvalue; } |
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56 | bool get_isAtomic() { return tq.isAtomic; } |
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57 | bool get_isAttribute() { return tq.isAttribute; } |
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58 | void set_isConst( bool newValue ) { tq.isConst = newValue; } |
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59 | void set_isVolatile( bool newValue ) { tq.isVolatile = newValue; } |
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60 | void set_isRestrict( bool newValue ) { tq.isRestrict = newValue; } |
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61 | void set_isLvalue( bool newValue ) { tq.isLvalue = newValue; } |
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62 | void set_isAtomic( bool newValue ) { tq.isAtomic = newValue; } |
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63 | void set_isAttribute( bool newValue ) { tq.isAttribute = newValue; } |
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64 | std::list<TypeDecl*>& get_forall() { return forall; } |
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65 | |
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66 | virtual Type *clone() const = 0; |
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67 | virtual void accept( Visitor &v ) = 0; |
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68 | virtual Type *acceptMutator( Mutator &m ) = 0; |
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69 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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70 | private: |
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71 | Qualifiers tq; |
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72 | std::list<TypeDecl*> forall; |
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73 | }; |
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74 | |
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75 | class VoidType : public Type { |
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76 | public: |
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77 | VoidType( const Type::Qualifiers &tq ); |
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78 | |
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79 | virtual VoidType *clone() const { return new VoidType( *this ); } |
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80 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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81 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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82 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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83 | }; |
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84 | |
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85 | class BasicType : public Type { |
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86 | public: |
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87 | enum Kind { |
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88 | Bool, |
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89 | Char, |
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90 | SignedChar, |
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91 | UnsignedChar, |
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92 | ShortSignedInt, |
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93 | ShortUnsignedInt, |
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94 | SignedInt, |
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95 | UnsignedInt, |
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96 | LongSignedInt, |
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97 | LongUnsignedInt, |
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98 | LongLongSignedInt, |
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99 | LongLongUnsignedInt, |
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100 | Float, |
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101 | Double, |
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102 | LongDouble, |
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103 | FloatComplex, |
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104 | DoubleComplex, |
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105 | LongDoubleComplex, |
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106 | FloatImaginary, |
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107 | DoubleImaginary, |
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108 | LongDoubleImaginary, |
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109 | NUMBER_OF_BASIC_TYPES |
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110 | }; |
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111 | |
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112 | static const char *typeNames[]; // string names for basic types, MUST MATCH with Kind |
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113 | |
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114 | BasicType( const Type::Qualifiers &tq, Kind bt ); |
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115 | |
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116 | Kind get_kind() { return kind; } |
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117 | void set_kind( Kind newValue ) { kind = newValue; } |
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118 | |
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119 | virtual BasicType *clone() const { return new BasicType( *this ); } |
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120 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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121 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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122 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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123 | |
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124 | bool isInteger() const; |
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125 | private: |
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126 | Kind kind; |
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127 | }; |
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128 | |
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129 | class PointerType : public Type { |
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130 | public: |
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131 | PointerType( const Type::Qualifiers &tq, Type *base ); |
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132 | PointerType( const Type::Qualifiers &tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic ); |
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133 | PointerType( const PointerType& ); |
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134 | virtual ~PointerType(); |
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135 | |
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136 | Type *get_base() { return base; } |
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137 | void set_base( Type *newValue ) { base = newValue; } |
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138 | Expression *get_dimension() { return dimension; } |
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139 | void set_dimension( Expression *newValue ) { dimension = newValue; } |
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140 | bool get_isVarLen() { return isVarLen; } |
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141 | void set_isVarLen( bool newValue ) { isVarLen = newValue; } |
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142 | bool get_isStatic() { return isStatic; } |
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143 | void set_isStatic( bool newValue ) { isStatic = newValue; } |
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144 | |
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145 | virtual PointerType *clone() const { return new PointerType( *this ); } |
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146 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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147 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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148 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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149 | private: |
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150 | Type *base; |
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151 | |
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152 | // In C99, pointer types can be qualified in many ways e.g., int f( int a[ static 3 ] ) |
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153 | Expression *dimension; |
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154 | bool isVarLen; |
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155 | bool isStatic; |
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156 | }; |
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157 | |
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158 | class ArrayType : public Type { |
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159 | public: |
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160 | ArrayType( const Type::Qualifiers &tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic ); |
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161 | ArrayType( const ArrayType& ); |
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162 | virtual ~ArrayType(); |
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163 | |
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164 | Type *get_base() { return base; } |
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165 | void set_base( Type *newValue ) { base = newValue; } |
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166 | Expression *get_dimension() { return dimension; } |
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167 | void set_dimension( Expression *newValue ) { dimension = newValue; } |
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168 | bool get_isVarLen() { return isVarLen; } |
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169 | void set_isVarLen( bool newValue ) { isVarLen = newValue; } |
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170 | bool get_isStatic() { return isStatic; } |
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171 | void set_isStatic( bool newValue ) { isStatic = newValue; } |
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172 | |
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173 | virtual ArrayType *clone() const { return new ArrayType( *this ); } |
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174 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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175 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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176 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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177 | private: |
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178 | Type *base; |
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179 | Expression *dimension; |
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180 | bool isVarLen; |
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181 | bool isStatic; |
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182 | }; |
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183 | |
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184 | class FunctionType : public Type { |
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185 | public: |
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186 | FunctionType( const Type::Qualifiers &tq, bool isVarArgs ); |
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187 | FunctionType( const FunctionType& ); |
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188 | virtual ~FunctionType(); |
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189 | |
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190 | std::list<DeclarationWithType*> & get_returnVals() { return returnVals; } |
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191 | std::list<DeclarationWithType*> & get_parameters() { return parameters; } |
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192 | bool get_isVarArgs() { return isVarArgs; } |
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193 | void set_isVarArgs( bool newValue ) { isVarArgs = newValue; } |
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194 | |
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195 | virtual FunctionType *clone() const { return new FunctionType( *this ); } |
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196 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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197 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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198 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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199 | private: |
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200 | std::list<DeclarationWithType*> returnVals; |
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201 | std::list<DeclarationWithType*> parameters; |
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202 | |
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203 | // Does the function accept a variable number of arguments following the arguments specified in the parameters list. |
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204 | // This could be because of |
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205 | // - an ellipsis in a prototype declaration |
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206 | // - an unprototyped declaration |
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207 | bool isVarArgs; |
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208 | }; |
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209 | |
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210 | class ReferenceToType : public Type { |
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211 | public: |
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212 | ReferenceToType( const Type::Qualifiers &tq, const std::string &name ); |
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213 | ReferenceToType( const ReferenceToType &other ); |
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214 | virtual ~ReferenceToType(); |
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215 | |
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216 | const std::string &get_name() const { return name; } |
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217 | void set_name( std::string newValue ) { name = newValue; } |
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218 | std::list< Expression* >& get_parameters() { return parameters; } |
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219 | |
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220 | virtual ReferenceToType *clone() const = 0; |
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221 | virtual void accept( Visitor &v ) = 0; |
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222 | virtual Type *acceptMutator( Mutator &m ) = 0; |
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223 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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224 | protected: |
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225 | virtual std::string typeString() const = 0; |
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226 | std::list< Expression* > parameters; |
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227 | private: |
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228 | std::string name; |
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229 | }; |
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230 | |
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231 | class StructInstType : public ReferenceToType { |
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232 | typedef ReferenceToType Parent; |
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233 | public: |
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234 | StructInstType( const Type::Qualifiers &tq, const std::string &name ) : Parent( tq, name ), baseStruct( 0 ) {} |
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235 | StructInstType( const StructInstType &other ) : Parent( other ), baseStruct( other.baseStruct ) {} |
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236 | |
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237 | StructDecl *get_baseStruct() const { return baseStruct; } |
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238 | void set_baseStruct( StructDecl *newValue ) { baseStruct = newValue; } |
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239 | |
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240 | /// Accesses generic parameters of base struct (NULL if none such) |
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241 | std::list<TypeDecl*> * get_baseParameters(); |
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242 | |
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243 | /// Looks up the members of this struct named "name" and places them into "foundDecls". |
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244 | /// Clones declarations into "foundDecls", caller responsible for freeing |
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245 | void lookup( const std::string &name, std::list< Declaration* > &foundDecls ) const; |
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246 | |
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247 | virtual StructInstType *clone() const { return new StructInstType( *this ); } |
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248 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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249 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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250 | private: |
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251 | virtual std::string typeString() const; |
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252 | |
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253 | // this decl is not "owned" by the struct inst; it is merely a pointer to elsewhere in the tree, |
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254 | // where the structure used in this type is actually defined |
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255 | StructDecl *baseStruct; |
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256 | }; |
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257 | |
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258 | class UnionInstType : public ReferenceToType { |
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259 | typedef ReferenceToType Parent; |
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260 | public: |
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261 | UnionInstType( const Type::Qualifiers &tq, const std::string &name ) : Parent( tq, name ), baseUnion( 0 ) {} |
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262 | UnionInstType( const UnionInstType &other ) : Parent( other ), baseUnion( other.baseUnion ) {} |
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263 | |
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264 | UnionDecl *get_baseUnion() const { return baseUnion; } |
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265 | void set_baseUnion( UnionDecl *newValue ) { baseUnion = newValue; } |
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266 | |
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267 | /// Accesses generic parameters of base union (NULL if none such) |
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268 | std::list<TypeDecl*> * get_baseParameters(); |
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269 | |
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270 | /// looks up the members of this union named "name" and places them into "foundDecls" |
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271 | /// Clones declarations into "foundDecls", caller responsible for freeing |
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272 | void lookup( const std::string &name, std::list< Declaration* > &foundDecls ) const; |
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273 | |
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274 | virtual UnionInstType *clone() const { return new UnionInstType( *this ); } |
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275 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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276 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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277 | private: |
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278 | virtual std::string typeString() const; |
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279 | |
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280 | // this decl is not "owned" by the union inst; it is merely a pointer to elsewhere in the tree, |
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281 | // where the union used in this type is actually defined |
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282 | UnionDecl *baseUnion; |
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283 | }; |
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284 | |
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285 | class EnumInstType : public ReferenceToType { |
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286 | typedef ReferenceToType Parent; |
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287 | public: |
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288 | EnumInstType( const Type::Qualifiers &tq, const std::string &name ) : Parent( tq, name ) {} |
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289 | EnumInstType( const EnumInstType &other ) : Parent( other ) {} |
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290 | |
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291 | virtual EnumInstType *clone() const { return new EnumInstType( *this ); } |
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292 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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293 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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294 | private: |
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295 | virtual std::string typeString() const; |
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296 | }; |
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297 | |
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298 | class ContextInstType : public ReferenceToType { |
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299 | typedef ReferenceToType Parent; |
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300 | public: |
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301 | ContextInstType( const Type::Qualifiers &tq, const std::string &name ) : Parent( tq, name ) {} |
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302 | ContextInstType( const ContextInstType &other ); |
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303 | ~ContextInstType(); |
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304 | |
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305 | std::list< Declaration* >& get_members() { return members; } |
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306 | |
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307 | virtual ContextInstType *clone() const { return new ContextInstType( *this ); } |
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308 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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309 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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310 | private: |
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311 | virtual std::string typeString() const; |
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312 | |
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313 | // this member is filled in by the validate pass, which instantiates the members of the correponding |
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314 | // aggregate with the actual type parameters specified for this use of the context |
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315 | std::list< Declaration* > members; |
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316 | }; |
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317 | |
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318 | class TypeInstType : public ReferenceToType { |
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319 | typedef ReferenceToType Parent; |
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320 | public: |
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321 | TypeInstType( const Type::Qualifiers &tq, const std::string &name, TypeDecl *baseType ); |
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322 | TypeInstType( const Type::Qualifiers &tq, const std::string &name, bool isFtype ); |
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323 | TypeInstType( const TypeInstType &other ) : Parent( other ), baseType( other.baseType ), isFtype( other.isFtype ) {} |
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324 | |
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325 | TypeDecl *get_baseType() const { return baseType; } |
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326 | void set_baseType( TypeDecl *newValue ); |
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327 | bool get_isFtype() const { return isFtype; } |
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328 | void set_isFtype( bool newValue ) { isFtype = newValue; } |
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329 | |
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330 | virtual TypeInstType *clone() const { return new TypeInstType( *this ); } |
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331 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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332 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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333 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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334 | private: |
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335 | virtual std::string typeString() const; |
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336 | // this decl is not "owned" by the type inst; it is merely a pointer to elsewhere in the tree, |
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337 | // where the type used here is actually defined |
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338 | TypeDecl *baseType; |
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339 | bool isFtype; |
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340 | }; |
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341 | |
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342 | class TupleType : public Type { |
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343 | public: |
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344 | TupleType( const Type::Qualifiers &tq ); |
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345 | TupleType( const TupleType& ); |
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346 | virtual ~TupleType(); |
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347 | |
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348 | std::list<Type*>& get_types() { return types; } |
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349 | |
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350 | virtual TupleType *clone() const { return new TupleType( *this ); } |
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351 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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352 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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353 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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354 | private: |
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355 | std::list<Type*> types; |
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356 | }; |
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357 | |
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358 | class TypeofType : public Type { |
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359 | public: |
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360 | TypeofType( const Type::Qualifiers &tq, Expression *expr ); |
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361 | TypeofType( const TypeofType& ); |
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362 | virtual ~TypeofType(); |
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363 | |
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364 | Expression *get_expr() const { return expr; } |
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365 | void set_expr( Expression *newValue ) { expr = newValue; } |
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366 | |
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367 | virtual TypeofType *clone() const { return new TypeofType( *this ); } |
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368 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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369 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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370 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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371 | private: |
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372 | Expression *expr; |
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373 | }; |
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374 | |
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375 | class AttrType : public Type { |
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376 | public: |
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377 | AttrType( const Type::Qualifiers &tq, const std::string &name, Expression *expr ); |
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378 | AttrType( const Type::Qualifiers &tq, const std::string &name, Type *type ); |
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379 | AttrType( const AttrType& ); |
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380 | virtual ~AttrType(); |
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381 | |
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382 | const std::string &get_name() const { return name; } |
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383 | void set_name( const std::string &newValue ) { name = newValue; } |
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384 | Expression *get_expr() const { return expr; } |
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385 | void set_expr( Expression *newValue ) { expr = newValue; } |
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386 | Type *get_type() const { return type; } |
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387 | void set_type( Type *newValue ) { type = newValue; } |
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388 | bool get_isType() const { return isType; } |
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389 | void set_isType( bool newValue ) { isType = newValue; } |
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390 | |
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391 | virtual AttrType *clone() const { return new AttrType( *this ); } |
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392 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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393 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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394 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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395 | private: |
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396 | std::string name; |
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397 | Expression *expr; |
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398 | Type *type; |
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399 | bool isType; |
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400 | }; |
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401 | |
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402 | /// Represents the GCC built-in varargs type |
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403 | class VarArgsType : public Type { |
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404 | public: |
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405 | VarArgsType(); |
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406 | VarArgsType( Type::Qualifiers &tq ); |
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407 | |
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408 | virtual VarArgsType *clone() const { return new VarArgsType( *this ); } |
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409 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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410 | virtual Type *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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411 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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412 | }; |
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413 | |
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414 | inline Type::Qualifiers &Type::Qualifiers::operator+=( const Type::Qualifiers &other ) { |
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415 | isConst |= other.isConst; |
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416 | isVolatile |= other.isVolatile; |
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417 | isRestrict |= other.isRestrict; |
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418 | isLvalue |= other.isLvalue; |
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419 | isAtomic |= other.isAtomic; |
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420 | return *this; |
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421 | } |
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422 | |
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423 | inline Type::Qualifiers &Type::Qualifiers::operator-=( const Type::Qualifiers &other ) { |
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424 | if ( other.isConst ) isConst = 0; |
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425 | if ( other.isVolatile ) isVolatile = 0; |
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426 | if ( other.isRestrict ) isRestrict = 0; |
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427 | if ( other.isAtomic ) isAtomic = 0; |
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428 | return *this; |
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429 | } |
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430 | |
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431 | inline Type::Qualifiers Type::Qualifiers::operator+( const Type::Qualifiers &other ) { |
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432 | Qualifiers q = other; |
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433 | q += *this; |
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434 | return q; |
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435 | } |
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436 | |
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437 | inline bool Type::Qualifiers::operator==( const Qualifiers &other ) { |
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438 | return isConst == other.isConst |
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439 | && isVolatile == other.isVolatile |
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440 | // && isRestrict == other.isRestrict |
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441 | // && isLvalue == other.isLvalue |
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442 | && isAtomic == other.isAtomic; |
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443 | } |
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444 | |
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445 | inline bool Type::Qualifiers::operator!=( const Qualifiers &other ) { |
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446 | return isConst != other.isConst |
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447 | || isVolatile != other.isVolatile |
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448 | // || isRestrict != other.isRestrict |
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449 | // || isLvalue != other.isLvalue |
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450 | || isAtomic != other.isAtomic; |
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451 | } |
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452 | |
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453 | inline bool Type::Qualifiers::operator<=( const Type::Qualifiers &other ) { |
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454 | return isConst <= other.isConst |
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455 | && isVolatile <= other.isVolatile |
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456 | // && isRestrict <= other.isRestrict |
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457 | // && isLvalue >= other.isLvalue |
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458 | && isAtomic == other.isAtomic; |
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459 | } |
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460 | |
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461 | inline bool Type::Qualifiers::operator>=( const Type::Qualifiers &other ) { |
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462 | return isConst >= other.isConst |
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463 | && isVolatile >= other.isVolatile |
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464 | // && isRestrict >= other.isRestrict |
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465 | // && isLvalue <= other.isLvalue |
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466 | && isAtomic == other.isAtomic; |
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467 | } |
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468 | |
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469 | inline bool Type::Qualifiers::operator<( const Type::Qualifiers &other ) { |
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470 | return operator!=( other ) && operator<=( other ); |
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471 | } |
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472 | |
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473 | inline bool Type::Qualifiers::operator>( const Type::Qualifiers &other ) { |
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474 | return operator!=( other ) && operator>=( other ); |
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475 | } |
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476 | |
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477 | std::ostream & operator<<( std::ostream & out, Type * type ); |
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478 | |
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479 | #endif // TYPE_H |
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480 | |
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481 | // Local Variables: // |
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482 | // tab-width: 4 // |
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483 | // mode: c++ // |
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484 | // compile-command: "make install" // |
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485 | // End: // |
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