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 : Thu Mar 23 16:16:36 2017 |
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13 | // Update Count : 149 |
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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 "BaseSyntaxNode.h" |
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20 | #include "Mutator.h" |
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21 | #include "SynTree.h" |
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22 | #include "Visitor.h" |
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23 | #include <strings.h> // ffs |
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24 | |
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25 | class Type : public BaseSyntaxNode { |
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26 | public: |
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27 | // Simulate inheritance because union does not allow it. |
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28 | // Bug in g++-4.9 prevents static field in union |
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29 | //static const char * Names[]; |
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30 | #define BFCommon( BFType, N ) \ |
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31 | bool operator[]( unsigned int i ) const { return val & (1 << i); } \ |
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32 | bool any() const { return val != 0; } \ |
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33 | void reset() { val = 0; } \ |
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34 | int ffs() { return ::ffs( val ) - 1; } \ |
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35 | BFType operator&=( BFType other ) { \ |
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36 | val &= other.val; return *this; \ |
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37 | } \ |
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38 | BFType operator&( BFType other ) const { \ |
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39 | BFType q = other; \ |
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40 | q &= *this; \ |
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41 | return q; \ |
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42 | } \ |
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43 | BFType operator|=( BFType other ) { \ |
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44 | val |= other.val; return *this; \ |
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45 | } \ |
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46 | BFType operator|( BFType other ) const { \ |
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47 | BFType q = other; \ |
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48 | q |= *this; \ |
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49 | return q; \ |
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50 | } \ |
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51 | BFType operator-=( BFType other ) { \ |
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52 | val &= ~other.val; return *this; \ |
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53 | } \ |
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54 | void print( std::ostream & os ) const { \ |
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55 | if ( (*this).any() ) { \ |
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56 | for ( unsigned int i = 0; i < N; i += 1 ) { \ |
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57 | if ( (*this)[i] ) { \ |
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58 | os << BFType##Names[i] << ' '; \ |
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59 | } \ |
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60 | } \ |
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61 | } \ |
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62 | } |
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63 | |
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64 | // enum must remain in the same order as the corresponding bit fields. |
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65 | |
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66 | enum { Inline = 1 << 0, Noreturn = 1 << 1, Fortran = 1 << 2, NumFuncSpecifier = 3 }; |
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67 | static const char * FuncSpecifiersNames[]; |
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68 | union FuncSpecifiers { |
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69 | unsigned int val; |
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70 | struct { |
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71 | bool is_inline : 1; |
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72 | bool is_noreturn : 1; |
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73 | bool is_fortran : 1; |
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74 | }; |
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75 | FuncSpecifiers() : val( 0 ) {} |
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76 | FuncSpecifiers( unsigned int val ) : val( val ) {} |
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77 | // equality (==, !=) works implicitly on first field "val", relational operations are undefined. |
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78 | BFCommon( FuncSpecifiers, NumFuncSpecifier ) |
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79 | }; // FuncSpecifiers |
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80 | |
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81 | enum { Extern = 1 << 0, Static = 1 << 1, Auto = 1 << 2, Register = 1 << 3, Threadlocal = 1 << 4, NumStorageClass = 5 }; |
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82 | static const char * StorageClassesNames[]; |
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83 | union StorageClasses { |
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84 | unsigned int val; |
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85 | struct { |
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86 | bool is_extern : 1; |
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87 | bool is_static : 1; |
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88 | bool is_auto : 1; |
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89 | bool is_register : 1; |
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90 | bool is_threadlocal : 1; |
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91 | }; |
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92 | |
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93 | StorageClasses() : val( 0 ) {} |
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94 | StorageClasses( unsigned int val ) : val( val ) {} |
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95 | // equality (==, !=) works implicitly on first field "val", relational operations are undefined. |
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96 | BFCommon( StorageClasses, NumStorageClass ) |
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97 | }; // StorageClasses |
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98 | |
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99 | enum { Const = 1 << 0, Restrict = 1 << 1, Volatile = 1 << 2, Lvalue = 1 << 3, Mutex = 1 << 4, Atomic = 1 << 5, NumTypeQualifier = 6 }; |
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100 | static const char * QualifiersNames[]; |
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101 | union Qualifiers { |
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102 | enum { Mask = ~(Restrict | Lvalue) }; |
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103 | unsigned int val; |
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104 | struct { |
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105 | bool is_const : 1; |
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106 | bool is_restrict : 1; |
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107 | bool is_volatile : 1; |
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108 | bool is_lvalue : 1; |
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109 | bool is_mutex : 1; |
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110 | bool is_atomic : 1; |
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111 | }; |
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112 | |
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113 | Qualifiers() : val( 0 ) {} |
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114 | Qualifiers( unsigned int val ) : val( val ) {} |
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115 | // Complex comparisons provide implicit qualifier downcasting, e.g., T downcast to const T. |
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116 | bool operator==( Qualifiers other ) const { return (val & Mask) == (other.val & Mask); } |
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117 | bool operator!=( Qualifiers other ) const { return (val & Mask) != (other.val & Mask); } |
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118 | bool operator<=( Qualifiers other ) const { |
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119 | return is_const <= other.is_const //Any non-const converts to const without cost |
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120 | && is_volatile <= other.is_volatile //Any non-volatile converts to volatile without cost |
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121 | && is_mutex >= other.is_mutex //Any mutex converts to non-mutex without cost |
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122 | && is_atomic == other.is_atomic; //No conversion from atomic to non atomic is free |
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123 | } |
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124 | bool operator<( Qualifiers other ) const { return *this != other && *this <= other; } |
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125 | bool operator>=( Qualifiers other ) const { return ! (*this < other); } |
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126 | bool operator>( Qualifiers other ) const { return *this != other && *this >= other; } |
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127 | BFCommon( Qualifiers, NumTypeQualifier ) |
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128 | }; // Qualifiers |
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129 | |
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130 | Type( const Qualifiers & tq, const std::list< Attribute * > & attributes ); |
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131 | Type( const Type & other ); |
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132 | virtual ~Type(); |
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133 | |
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134 | Qualifiers & get_qualifiers() { return tq; } |
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135 | bool get_const() { return tq.is_const; } |
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136 | bool get_volatile() { return tq.is_volatile; } |
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137 | bool get_restrict() { return tq.is_restrict; } |
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138 | bool get_lvalue() { return tq.is_lvalue; } |
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139 | bool get_mutex() { return tq.is_mutex; } |
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140 | bool get_atomic() { return tq.is_atomic; } |
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141 | void set_const( bool newValue ) { tq.is_const = newValue; } |
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142 | void set_volatile( bool newValue ) { tq.is_volatile = newValue; } |
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143 | void set_restrict( bool newValue ) { tq.is_restrict = newValue; } |
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144 | void set_lvalue( bool newValue ) { tq.is_lvalue = newValue; } |
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145 | void set_mutex( bool newValue ) { tq.is_mutex = newValue; } |
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146 | void set_atomic( bool newValue ) { tq.is_atomic = newValue; } |
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147 | |
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148 | typedef std::list<TypeDecl *> ForallList; |
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149 | ForallList& get_forall() { return forall; } |
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150 | |
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151 | std::list< Attribute * >& get_attributes() { return attributes; } |
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152 | const std::list< Attribute * >& get_attributes() const { return attributes; } |
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153 | |
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154 | /// How many elemental types are represented by this type |
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155 | virtual unsigned size() const { return 1; }; |
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156 | virtual bool isVoid() const { return size() == 0; } |
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157 | virtual Type * getComponent( unsigned i ) { assertf( size() == 1 && i == 0, "Type::getComponent was called with size %d and index %d\n", size(), i ); return this; } |
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158 | |
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159 | /// return type without outer pointers and arrays |
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160 | Type *stripDeclarator(); |
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161 | |
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162 | virtual bool isComplete() const { return true; } |
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163 | |
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164 | virtual Type *clone() const = 0; |
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165 | virtual void accept( Visitor & v ) = 0; |
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166 | virtual Type *acceptMutator( Mutator & m ) = 0; |
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167 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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168 | private: |
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169 | Qualifiers tq; |
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170 | ForallList forall; |
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171 | std::list< Attribute * > attributes; |
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172 | }; |
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173 | |
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174 | extern Type::Qualifiers emptyQualifiers; // no qualifiers on constants |
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175 | |
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176 | class VoidType : public Type { |
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177 | public: |
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178 | VoidType( const Type::Qualifiers & tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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179 | |
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180 | virtual unsigned size() const { return 0; }; |
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181 | virtual bool isComplete() const { return false; } |
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182 | |
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183 | virtual VoidType *clone() const { return new VoidType( *this ); } |
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184 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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185 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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186 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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187 | }; |
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188 | |
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189 | class BasicType : public Type { |
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190 | public: |
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191 | enum Kind { |
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192 | Bool, |
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193 | Char, |
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194 | SignedChar, |
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195 | UnsignedChar, |
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196 | ShortSignedInt, |
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197 | ShortUnsignedInt, |
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198 | SignedInt, |
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199 | UnsignedInt, |
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200 | LongSignedInt, |
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201 | LongUnsignedInt, |
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202 | LongLongSignedInt, |
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203 | LongLongUnsignedInt, |
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204 | Float, |
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205 | Double, |
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206 | LongDouble, |
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207 | FloatComplex, |
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208 | DoubleComplex, |
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209 | LongDoubleComplex, |
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210 | FloatImaginary, |
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211 | DoubleImaginary, |
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212 | LongDoubleImaginary, |
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213 | NUMBER_OF_BASIC_TYPES |
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214 | }; |
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215 | |
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216 | static const char *typeNames[]; // string names for basic types, MUST MATCH with Kind |
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217 | |
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218 | BasicType( const Type::Qualifiers & tq, Kind bt, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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219 | |
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220 | Kind get_kind() { return kind; } |
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221 | void set_kind( Kind newValue ) { kind = newValue; } |
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222 | |
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223 | virtual BasicType *clone() const { return new BasicType( *this ); } |
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224 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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225 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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226 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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227 | |
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228 | bool isInteger() const; |
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229 | private: |
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230 | Kind kind; |
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231 | }; |
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232 | |
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233 | class PointerType : public Type { |
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234 | public: |
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235 | PointerType( const Type::Qualifiers & tq, Type *base, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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236 | PointerType( const Type::Qualifiers & tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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237 | PointerType( const PointerType& ); |
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238 | virtual ~PointerType(); |
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239 | |
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240 | Type *get_base() { return base; } |
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241 | void set_base( Type *newValue ) { base = newValue; } |
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242 | Expression *get_dimension() { return dimension; } |
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243 | void set_dimension( Expression *newValue ) { dimension = newValue; } |
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244 | bool get_isVarLen() { return isVarLen; } |
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245 | void set_isVarLen( bool newValue ) { isVarLen = newValue; } |
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246 | bool get_isStatic() { return isStatic; } |
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247 | void set_isStatic( bool newValue ) { isStatic = newValue; } |
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248 | |
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249 | bool is_array() const { return isStatic || isVarLen || dimension; } |
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250 | |
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251 | virtual PointerType *clone() const { return new PointerType( *this ); } |
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252 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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253 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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254 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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255 | private: |
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256 | Type *base; |
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257 | |
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258 | // In C99, pointer types can be qualified in many ways e.g., int f( int a[ static 3 ] ) |
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259 | Expression *dimension; |
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260 | bool isVarLen; |
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261 | bool isStatic; |
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262 | }; |
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263 | |
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264 | class ArrayType : public Type { |
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265 | public: |
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266 | ArrayType( const Type::Qualifiers & tq, Type *base, Expression *dimension, bool isVarLen, bool isStatic, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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267 | ArrayType( const ArrayType& ); |
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268 | virtual ~ArrayType(); |
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269 | |
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270 | Type *get_base() { return base; } |
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271 | void set_base( Type *newValue ) { base = newValue; } |
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272 | Expression *get_dimension() { return dimension; } |
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273 | void set_dimension( Expression *newValue ) { dimension = newValue; } |
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274 | bool get_isVarLen() { return isVarLen; } |
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275 | void set_isVarLen( bool newValue ) { isVarLen = newValue; } |
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276 | bool get_isStatic() { return isStatic; } |
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277 | void set_isStatic( bool newValue ) { isStatic = newValue; } |
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278 | |
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279 | virtual bool isComplete() const { return ! isVarLen; } |
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280 | |
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281 | virtual ArrayType *clone() const { return new ArrayType( *this ); } |
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282 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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283 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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284 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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285 | private: |
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286 | Type *base; |
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287 | Expression *dimension; |
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288 | bool isVarLen; |
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289 | bool isStatic; |
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290 | }; |
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291 | |
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292 | class FunctionType : public Type { |
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293 | public: |
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294 | FunctionType( const Type::Qualifiers & tq, bool isVarArgs, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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295 | FunctionType( const FunctionType& ); |
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296 | virtual ~FunctionType(); |
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297 | |
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298 | std::list<DeclarationWithType*> & get_returnVals() { return returnVals; } |
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299 | std::list<DeclarationWithType*> & get_parameters() { return parameters; } |
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300 | bool get_isVarArgs() const { return isVarArgs; } |
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301 | void set_isVarArgs( bool newValue ) { isVarArgs = newValue; } |
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302 | bool isTtype() const; |
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303 | |
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304 | virtual FunctionType *clone() const { return new FunctionType( *this ); } |
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305 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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306 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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307 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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308 | private: |
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309 | std::list<DeclarationWithType*> returnVals; |
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310 | std::list<DeclarationWithType*> parameters; |
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311 | |
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312 | // Does the function accept a variable number of arguments following the arguments specified in the parameters list. |
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313 | // This could be because of |
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314 | // - an ellipsis in a prototype declaration |
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315 | // - an unprototyped declaration |
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316 | bool isVarArgs; |
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317 | }; |
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318 | |
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319 | class ReferenceToType : public Type { |
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320 | public: |
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321 | ReferenceToType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes ); |
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322 | ReferenceToType( const ReferenceToType & other ); |
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323 | virtual ~ReferenceToType(); |
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324 | |
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325 | const std::string & get_name() const { return name; } |
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326 | void set_name( std::string newValue ) { name = newValue; } |
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327 | std::list< Expression* >& get_parameters() { return parameters; } |
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328 | bool get_hoistType() const { return hoistType; } |
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329 | void set_hoistType( bool newValue ) { hoistType = newValue; } |
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330 | |
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331 | virtual ReferenceToType *clone() const = 0; |
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332 | virtual void accept( Visitor & v ) = 0; |
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333 | virtual Type *acceptMutator( Mutator & m ) = 0; |
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334 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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335 | |
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336 | virtual void lookup( __attribute__((unused)) const std::string & name, __attribute__((unused)) std::list< Declaration* > & foundDecls ) const {} |
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337 | protected: |
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338 | virtual std::string typeString() const = 0; |
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339 | std::list< Expression* > parameters; |
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340 | std::string name; |
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341 | private: |
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342 | bool hoistType; |
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343 | }; |
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344 | |
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345 | class StructInstType : public ReferenceToType { |
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346 | typedef ReferenceToType Parent; |
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347 | public: |
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348 | StructInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ), baseStruct( 0 ) {} |
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349 | StructInstType( const Type::Qualifiers & tq, StructDecl * baseStruct, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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350 | StructInstType( const StructInstType & other ) : Parent( other ), baseStruct( other.baseStruct ) {} |
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351 | |
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352 | StructDecl *get_baseStruct() const { return baseStruct; } |
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353 | void set_baseStruct( StructDecl *newValue ) { baseStruct = newValue; } |
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354 | |
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355 | /// Accesses generic parameters of base struct (NULL if none such) |
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356 | std::list<TypeDecl*> * get_baseParameters(); |
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357 | |
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358 | virtual bool isComplete() const; |
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359 | |
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360 | /// Looks up the members of this struct named "name" and places them into "foundDecls". |
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361 | /// Clones declarations into "foundDecls", caller responsible for freeing |
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362 | void lookup( const std::string & name, std::list< Declaration* > & foundDecls ) const; |
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363 | |
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364 | virtual StructInstType *clone() const { return new StructInstType( *this ); } |
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365 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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366 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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367 | |
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368 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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369 | private: |
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370 | virtual std::string typeString() const; |
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371 | |
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372 | // this decl is not "owned" by the struct inst; it is merely a pointer to elsewhere in the tree, |
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373 | // where the structure used in this type is actually defined |
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374 | StructDecl *baseStruct; |
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375 | }; |
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376 | |
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377 | class UnionInstType : public ReferenceToType { |
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378 | typedef ReferenceToType Parent; |
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379 | public: |
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380 | UnionInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ), baseUnion( 0 ) {} |
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381 | UnionInstType( const Type::Qualifiers & tq, UnionDecl * baseUnion, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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382 | UnionInstType( const UnionInstType & other ) : Parent( other ), baseUnion( other.baseUnion ) {} |
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383 | |
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384 | UnionDecl *get_baseUnion() const { return baseUnion; } |
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385 | void set_baseUnion( UnionDecl * newValue ) { baseUnion = newValue; } |
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386 | |
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387 | /// Accesses generic parameters of base union (NULL if none such) |
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388 | std::list< TypeDecl * > * get_baseParameters(); |
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389 | |
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390 | virtual bool isComplete() const; |
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391 | |
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392 | /// looks up the members of this union named "name" and places them into "foundDecls" |
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393 | /// Clones declarations into "foundDecls", caller responsible for freeing |
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394 | void lookup( const std::string & name, std::list< Declaration* > & foundDecls ) const; |
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395 | |
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396 | virtual UnionInstType *clone() const { return new UnionInstType( *this ); } |
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397 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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398 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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399 | |
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400 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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401 | private: |
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402 | virtual std::string typeString() const; |
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403 | |
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404 | // this decl is not "owned" by the union inst; it is merely a pointer to elsewhere in the tree, |
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405 | // where the union used in this type is actually defined |
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406 | UnionDecl *baseUnion; |
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407 | }; |
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408 | |
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409 | class EnumInstType : public ReferenceToType { |
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410 | typedef ReferenceToType Parent; |
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411 | public: |
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412 | EnumInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ) {} |
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413 | EnumInstType( const Type::Qualifiers & tq, EnumDecl * baseEnum, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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414 | EnumInstType( const EnumInstType & other ) : Parent( other ), baseEnum( other.baseEnum ) {} |
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415 | |
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416 | EnumDecl *get_baseEnum() const { return baseEnum; } |
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417 | void set_baseEnum( EnumDecl *newValue ) { baseEnum = newValue; } |
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418 | |
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419 | virtual bool isComplete() const; |
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420 | |
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421 | virtual EnumInstType *clone() const { return new EnumInstType( *this ); } |
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422 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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423 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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424 | private: |
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425 | virtual std::string typeString() const; |
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426 | |
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427 | // this decl is not "owned" by the union inst; it is merely a pointer to elsewhere in the tree, |
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428 | // where the union used in this type is actually defined |
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429 | EnumDecl *baseEnum = nullptr; |
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430 | }; |
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431 | |
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432 | class TraitInstType : public ReferenceToType { |
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433 | typedef ReferenceToType Parent; |
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434 | public: |
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435 | TraitInstType( const Type::Qualifiers & tq, const std::string & name, const std::list< Attribute * > & attributes = std::list< Attribute * >() ) : Parent( tq, name, attributes ) {} |
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436 | TraitInstType( const TraitInstType & other ); |
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437 | ~TraitInstType(); |
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438 | |
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439 | std::list< Declaration* >& get_members() { return members; } |
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440 | |
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441 | virtual bool isComplete() const; |
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442 | |
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443 | virtual TraitInstType *clone() const { return new TraitInstType( *this ); } |
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444 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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445 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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446 | private: |
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447 | virtual std::string typeString() const; |
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448 | |
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449 | // this member is filled in by the validate pass, which instantiates the members of the correponding |
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450 | // aggregate with the actual type parameters specified for this use of the context |
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451 | std::list< Declaration* > members; |
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452 | }; |
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453 | |
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454 | class TypeInstType : public ReferenceToType { |
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455 | typedef ReferenceToType Parent; |
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456 | public: |
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457 | TypeInstType( const Type::Qualifiers & tq, const std::string & name, TypeDecl *baseType, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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458 | TypeInstType( const Type::Qualifiers & tq, const std::string & name, bool isFtype, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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459 | TypeInstType( const TypeInstType & other ); |
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460 | ~TypeInstType(); |
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461 | |
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462 | TypeDecl *get_baseType() const { return baseType; } |
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463 | void set_baseType( TypeDecl *newValue ); |
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464 | bool get_isFtype() const { return isFtype; } |
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465 | void set_isFtype( bool newValue ) { isFtype = newValue; } |
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466 | |
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467 | virtual bool isComplete() const; |
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468 | |
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469 | virtual TypeInstType *clone() const { return new TypeInstType( *this ); } |
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470 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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471 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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472 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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473 | private: |
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474 | virtual std::string typeString() const; |
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475 | // this decl is not "owned" by the type inst; it is merely a pointer to elsewhere in the tree, |
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476 | // where the type used here is actually defined |
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477 | TypeDecl *baseType; |
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478 | bool isFtype; |
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479 | }; |
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480 | |
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481 | class TupleType : public Type { |
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482 | public: |
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483 | TupleType( const Type::Qualifiers & tq, const std::list< Type * > & types = std::list< Type * >(), const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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484 | TupleType( const TupleType& ); |
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485 | virtual ~TupleType(); |
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486 | |
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487 | typedef std::list<Type*> value_type; |
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488 | typedef value_type::iterator iterator; |
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489 | |
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490 | std::list<Type*>& get_types() { return types; } |
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491 | virtual unsigned size() const { return types.size(); }; |
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492 | |
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493 | iterator begin() { return types.begin(); } |
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494 | iterator end() { return types.end(); } |
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495 | |
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496 | virtual Type * getComponent( unsigned i ) { |
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497 | assertf( i < size(), "TupleType::getComponent: index %d must be less than size %d", i, size() ); |
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498 | return *(begin()+i); |
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499 | } |
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500 | |
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501 | // virtual bool isComplete() const { return true; } // xxx - not sure if this is right, might need to recursively check complete-ness |
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502 | |
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503 | virtual TupleType *clone() const { return new TupleType( *this ); } |
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504 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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505 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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506 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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507 | private: |
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508 | std::list<Type*> types; |
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509 | }; |
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510 | |
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511 | class TypeofType : public Type { |
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512 | public: |
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513 | TypeofType( const Type::Qualifiers & tq, Expression *expr, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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514 | TypeofType( const TypeofType& ); |
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515 | virtual ~TypeofType(); |
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516 | |
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517 | Expression *get_expr() const { return expr; } |
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518 | void set_expr( Expression *newValue ) { expr = newValue; } |
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519 | |
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520 | virtual bool isComplete() const { assert( false ); return false; } |
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521 | |
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522 | virtual TypeofType *clone() const { return new TypeofType( *this ); } |
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523 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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524 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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525 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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526 | private: |
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527 | Expression *expr; |
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528 | }; |
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529 | |
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530 | class AttrType : public Type { |
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531 | public: |
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532 | AttrType( const Type::Qualifiers & tq, const std::string & name, Expression *expr, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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533 | AttrType( const Type::Qualifiers & tq, const std::string & name, Type *type, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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534 | AttrType( const AttrType& ); |
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535 | virtual ~AttrType(); |
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536 | |
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537 | const std::string & get_name() const { return name; } |
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538 | void set_name( const std::string & newValue ) { name = newValue; } |
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539 | Expression *get_expr() const { return expr; } |
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540 | void set_expr( Expression *newValue ) { expr = newValue; } |
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541 | Type *get_type() const { return type; } |
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542 | void set_type( Type *newValue ) { type = newValue; } |
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543 | bool get_isType() const { return isType; } |
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544 | void set_isType( bool newValue ) { isType = newValue; } |
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545 | |
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546 | virtual bool isComplete() const { assert( false ); } // xxx - not sure what to do here |
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547 | |
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548 | virtual AttrType *clone() const { return new AttrType( *this ); } |
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549 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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550 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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551 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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552 | private: |
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553 | std::string name; |
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554 | Expression *expr; |
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555 | Type *type; |
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556 | bool isType; |
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557 | }; |
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558 | |
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559 | /// Represents the GCC built-in varargs type |
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560 | class VarArgsType : public Type { |
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561 | public: |
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562 | VarArgsType(); |
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563 | VarArgsType( Type::Qualifiers tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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564 | |
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565 | virtual bool isComplete() const{ return true; } // xxx - is this right? |
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566 | |
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567 | virtual VarArgsType *clone() const { return new VarArgsType( *this ); } |
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568 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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569 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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570 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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571 | }; |
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572 | |
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573 | /// Represents a zero constant |
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574 | class ZeroType : public Type { |
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575 | public: |
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576 | ZeroType(); |
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577 | ZeroType( Type::Qualifiers tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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578 | |
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579 | virtual ZeroType *clone() const { return new ZeroType( *this ); } |
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580 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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581 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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582 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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583 | }; |
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584 | |
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585 | /// Represents a one constant |
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586 | class OneType : public Type { |
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587 | public: |
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588 | OneType(); |
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589 | OneType( Type::Qualifiers tq, const std::list< Attribute * > & attributes = std::list< Attribute * >() ); |
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590 | |
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591 | virtual OneType *clone() const { return new OneType( *this ); } |
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592 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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593 | virtual Type *acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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594 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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595 | }; |
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596 | |
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597 | std::ostream & operator<<( std::ostream & out, const Type * type ); |
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598 | |
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599 | #endif // TYPE_H |
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600 | |
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601 | // Local Variables: // |
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602 | // tab-width: 4 // |
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603 | // mode: c++ // |
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604 | // compile-command: "make install" // |
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605 | // End: // |
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