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 | // ParseNode.h -- |
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8 | // |
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9 | // Author : Rodolfo G. Esteves |
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10 | // Created On : Sat May 16 13:28:16 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Sat Sep 10 17:14:37 2016 |
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13 | // Update Count : 589 |
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14 | // |
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15 | |
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16 | #ifndef PARSENODE_H |
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17 | #define PARSENODE_H |
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18 | |
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19 | #include <string> |
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20 | #include <list> |
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21 | #include <iterator> |
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22 | #include <memory> |
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23 | |
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24 | #include "Parser/LinkageSpec.h" |
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25 | #include "SynTree/Type.h" |
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26 | #include "SynTree/Expression.h" |
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27 | #include "SynTree/Statement.h" |
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28 | #include "SynTree/Label.h" |
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29 | #include "Common/utility.h" |
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30 | #include "Common/UniqueName.h" |
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31 | |
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32 | class StatementNode; |
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33 | class CompoundStmtNode; |
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34 | class DeclarationNode; |
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35 | class ExpressionNode; |
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36 | class InitializerNode; |
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37 | |
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38 | //############################################################################## |
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39 | |
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40 | class ParseNode { |
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41 | public: |
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42 | ParseNode() {}; |
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43 | ParseNode( const std::string * name ) : name( * name ) { assert( false ); delete name; } |
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44 | ParseNode( const std::string &name ) : name( name ) { assert( false ); } |
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45 | virtual ~ParseNode() { delete next; }; |
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46 | virtual ParseNode * clone() const = 0; |
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47 | |
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48 | ParseNode * get_next() const { return next; } |
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49 | ParseNode * set_next( ParseNode * newlink ) { next = newlink; return this; } |
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50 | ParseNode * get_last() { |
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51 | ParseNode * current; |
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52 | for ( current = this; current->get_next() != 0; current = current->get_next() ); |
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53 | return current; |
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54 | } |
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55 | ParseNode * set_last( ParseNode * newlast ) { |
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56 | if ( newlast != 0 ) get_last()->set_next( newlast ); |
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57 | return this; |
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58 | } |
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59 | |
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60 | const std::string &get_name() const { return name; } |
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61 | void set_name( const std::string &newValue ) { name = newValue; } |
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62 | |
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63 | virtual void print( std::ostream &os, int indent = 0 ) const {} |
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64 | virtual void printList( std::ostream &os, int indent = 0 ) const {} |
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65 | private: |
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66 | static int indent_by; |
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67 | |
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68 | ParseNode * next = nullptr; |
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69 | std::string name; |
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70 | }; // ParseNode |
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71 | |
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72 | //############################################################################## |
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73 | |
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74 | class InitializerNode : public ParseNode { |
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75 | public: |
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76 | InitializerNode( ExpressionNode *, bool aggrp = false, ExpressionNode * des = 0 ); |
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77 | InitializerNode( InitializerNode *, bool aggrp = false, ExpressionNode * des = 0 ); |
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78 | ~InitializerNode(); |
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79 | virtual InitializerNode * clone() const { assert( false ); return nullptr; } |
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80 | |
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81 | ExpressionNode * get_expression() const { return expr; } |
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82 | |
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83 | InitializerNode * set_designators( ExpressionNode * des ) { designator = des; return this; } |
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84 | ExpressionNode * get_designators() const { return designator; } |
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85 | |
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86 | InitializerNode * set_maybeConstructed( bool value ) { maybeConstructed = value; return this; } |
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87 | bool get_maybeConstructed() const { return maybeConstructed; } |
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88 | |
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89 | InitializerNode * next_init() const { return kids; } |
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90 | |
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91 | void print( std::ostream &os, int indent = 0 ) const; |
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92 | void printOneLine( std::ostream & ) const; |
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93 | |
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94 | virtual Initializer * build() const; |
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95 | private: |
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96 | ExpressionNode * expr; |
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97 | bool aggregate; |
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98 | ExpressionNode * designator; // may be list |
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99 | InitializerNode * kids; |
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100 | bool maybeConstructed; |
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101 | }; // InitializerNode |
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102 | |
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103 | //############################################################################## |
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104 | |
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105 | class ExpressionNode final : public ParseNode { |
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106 | public: |
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107 | ExpressionNode( Expression * expr = nullptr ) : expr( expr ) {} |
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108 | ExpressionNode( Expression * expr, const std::string * name ) : ParseNode( name ), expr( expr ) {} |
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109 | ExpressionNode( const ExpressionNode &other ); |
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110 | virtual ~ExpressionNode() {} |
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111 | virtual ExpressionNode * clone() const { return expr ? new ExpressionNode( expr->clone() ) : nullptr; } |
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112 | |
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113 | bool get_extension() const { return extension; } |
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114 | ExpressionNode * set_extension( bool exten ) { extension = exten; return this; } |
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115 | |
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116 | void print( std::ostream &os, int indent = 0 ) const {} |
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117 | void printOneLine( std::ostream &os, int indent = 0 ) const {} |
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118 | |
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119 | template<typename T> |
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120 | bool isExpressionType() const { |
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121 | return nullptr != dynamic_cast<T>(expr.get()); |
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122 | } |
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123 | |
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124 | Expression * build() const { return const_cast<ExpressionNode*>(this)->expr.release(); } |
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125 | private: |
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126 | bool extension = false; |
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127 | std::unique_ptr<Expression> expr; |
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128 | }; // ExpressionNode |
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129 | |
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130 | template< typename T > |
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131 | struct maybeBuild_t< Expression, T > { |
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132 | static inline Expression * doit( const T * orig ) { |
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133 | if ( orig ) { |
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134 | Expression * p = orig->build(); |
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135 | p->set_extension( orig->get_extension() ); |
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136 | return p; |
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137 | } else { |
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138 | return nullptr; |
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139 | } // if |
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140 | } |
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141 | }; |
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142 | |
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143 | enum class OperKinds { |
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144 | // diadic |
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145 | SizeOf, AlignOf, OffsetOf, Plus, Minus, Mul, Div, Mod, Or, And, |
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146 | BitOr, BitAnd, Xor, Cast, LShift, RShift, LThan, GThan, LEThan, GEThan, Eq, Neq, |
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147 | Assign, AtAssn, MulAssn, DivAssn, ModAssn, PlusAssn, MinusAssn, LSAssn, RSAssn, AndAssn, ERAssn, OrAssn, |
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148 | Index, Range, |
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149 | // monadic |
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150 | UnPlus, UnMinus, AddressOf, PointTo, Neg, BitNeg, Incr, IncrPost, Decr, DecrPost, LabelAddress, |
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151 | Ctor, Dtor, |
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152 | }; // OperKinds |
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153 | |
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154 | struct LabelNode { |
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155 | std::list< Label > labels; |
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156 | }; |
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157 | |
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158 | Expression * build_constantInteger( const std::string &str ); |
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159 | Expression * build_constantFloat( const std::string &str ); |
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160 | Expression * build_constantChar( const std::string &str ); |
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161 | ConstantExpr * build_constantStr( const std::string &str ); |
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162 | |
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163 | NameExpr * build_varref( const std::string * name, bool labelp = false ); |
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164 | Expression * build_typevalue( DeclarationNode * decl ); |
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165 | |
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166 | Expression * build_cast( DeclarationNode * decl_node, ExpressionNode * expr_node ); |
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167 | Expression * build_fieldSel( ExpressionNode * expr_node, Expression * member ); |
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168 | Expression * build_pfieldSel( ExpressionNode * expr_node, Expression * member ); |
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169 | Expression * build_addressOf( ExpressionNode * expr_node ); |
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170 | Expression * build_sizeOfexpr( ExpressionNode * expr_node ); |
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171 | Expression * build_sizeOftype( DeclarationNode * decl_node ); |
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172 | Expression * build_alignOfexpr( ExpressionNode * expr_node ); |
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173 | Expression * build_alignOftype( DeclarationNode * decl_node ); |
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174 | Expression * build_offsetOf( DeclarationNode * decl_node, NameExpr * member ); |
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175 | Expression * build_and( ExpressionNode * expr_node1, ExpressionNode * expr_node2 ); |
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176 | Expression * build_and_or( ExpressionNode * expr_node1, ExpressionNode * expr_node2, bool kind ); |
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177 | Expression * build_unary_val( OperKinds op, ExpressionNode * expr_node ); |
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178 | Expression * build_unary_ptr( OperKinds op, ExpressionNode * expr_node ); |
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179 | Expression * build_binary_val( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 ); |
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180 | Expression * build_binary_ptr( OperKinds op, ExpressionNode * expr_node1, ExpressionNode * expr_node2 ); |
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181 | Expression * build_cond( ExpressionNode * expr_node1, ExpressionNode * expr_node2, ExpressionNode * expr_node3 ); |
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182 | Expression * build_comma( ExpressionNode * expr_node1, ExpressionNode * expr_node2 ); |
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183 | Expression * build_attrexpr( NameExpr * var, ExpressionNode * expr_node ); |
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184 | Expression * build_attrtype( NameExpr * var, DeclarationNode * decl_node ); |
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185 | Expression * build_tuple( ExpressionNode * expr_node = 0 ); |
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186 | Expression * build_func( ExpressionNode * function, ExpressionNode * expr_node ); |
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187 | Expression * build_range( ExpressionNode * low, ExpressionNode * high ); |
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188 | Expression * build_asmexpr( ExpressionNode * inout, ConstantExpr * constraint, ExpressionNode * operand ); |
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189 | Expression * build_valexpr( StatementNode * s ); |
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190 | Expression * build_compoundLiteral( DeclarationNode * decl_node, InitializerNode * kids ); |
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191 | |
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192 | //############################################################################## |
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193 | |
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194 | class TypeData; |
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195 | |
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196 | class DeclarationNode : public ParseNode { |
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197 | public: |
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198 | enum Qualifier { Const, Restrict, Volatile, Lvalue, Atomic, NoOfQualifier }; |
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199 | enum StorageClass { Extern, Static, Auto, Register, Inline, Fortran, Noreturn, Threadlocal, NoStorageClass, }; |
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200 | enum BasicType { Char, Int, Float, Double, Void, Bool, Complex, Imaginary }; |
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201 | enum Modifier { Signed, Unsigned, Short, Long }; |
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202 | enum Aggregate { Struct, Union, Trait }; |
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203 | enum TypeClass { Type, Dtype, Ftype }; |
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204 | enum BuiltinType { Valist }; |
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205 | |
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206 | static const char * qualifierName[]; |
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207 | static const char * storageName[]; |
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208 | static const char * basicTypeName[]; |
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209 | static const char * modifierName[]; |
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210 | static const char * aggregateName[]; |
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211 | static const char * typeClassName[]; |
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212 | static const char * builtinTypeName[]; |
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213 | |
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214 | static DeclarationNode * newFunction( std::string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body, bool newStyle = false ); |
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215 | static DeclarationNode * newQualifier( Qualifier ); |
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216 | static DeclarationNode * newForall( DeclarationNode *); |
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217 | static DeclarationNode * newStorageClass( StorageClass ); |
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218 | static DeclarationNode * newBasicType( BasicType ); |
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219 | static DeclarationNode * newModifier( Modifier ); |
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220 | static DeclarationNode * newBuiltinType( BuiltinType ); |
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221 | static DeclarationNode * newFromTypedef( std::string *); |
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222 | static DeclarationNode * newAggregate( Aggregate kind, const std::string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body ); |
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223 | static DeclarationNode * newEnum( std::string * name, DeclarationNode * constants ); |
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224 | static DeclarationNode * newEnumConstant( std::string * name, ExpressionNode * constant ); |
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225 | static DeclarationNode * newName( std::string *); |
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226 | static DeclarationNode * newFromTypeGen( std::string *, ExpressionNode * params ); |
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227 | static DeclarationNode * newTypeParam( TypeClass, std::string *); |
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228 | static DeclarationNode * newTrait( std::string * name, DeclarationNode * params, DeclarationNode * asserts ); |
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229 | static DeclarationNode * newTraitUse( std::string * name, ExpressionNode * params ); |
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230 | static DeclarationNode * newTypeDecl( std::string * name, DeclarationNode * typeParams ); |
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231 | static DeclarationNode * newPointer( DeclarationNode * qualifiers ); |
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232 | static DeclarationNode * newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic ); |
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233 | static DeclarationNode * newVarArray( DeclarationNode * qualifiers ); |
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234 | static DeclarationNode * newBitfield( ExpressionNode * size ); |
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235 | static DeclarationNode * newTuple( DeclarationNode * members ); |
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236 | static DeclarationNode * newTypeof( ExpressionNode * expr ); |
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237 | static DeclarationNode * newAttr( std::string *, ExpressionNode * expr ); |
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238 | static DeclarationNode * newAttr( std::string *, DeclarationNode * type ); |
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239 | |
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240 | DeclarationNode(); |
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241 | ~DeclarationNode(); |
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242 | DeclarationNode * clone() const; |
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243 | |
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244 | DeclarationNode * addQualifiers( DeclarationNode *); |
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245 | void checkQualifiers( const TypeData *, const TypeData * ); |
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246 | void checkStorageClasses( DeclarationNode *q ); |
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247 | DeclarationNode * copyStorageClasses( DeclarationNode *); |
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248 | DeclarationNode * addType( DeclarationNode *); |
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249 | DeclarationNode * addTypedef(); |
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250 | DeclarationNode * addAssertions( DeclarationNode *); |
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251 | DeclarationNode * addName( std::string *); |
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252 | DeclarationNode * addBitfield( ExpressionNode * size ); |
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253 | DeclarationNode * addVarArgs(); |
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254 | DeclarationNode * addFunctionBody( StatementNode * body ); |
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255 | DeclarationNode * addOldDeclList( DeclarationNode * list ); |
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256 | DeclarationNode * addPointer( DeclarationNode * qualifiers ); |
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257 | DeclarationNode * addArray( DeclarationNode * array ); |
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258 | DeclarationNode * addNewPointer( DeclarationNode * pointer ); |
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259 | DeclarationNode * addNewArray( DeclarationNode * array ); |
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260 | DeclarationNode * addParamList( DeclarationNode * list ); |
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261 | DeclarationNode * addIdList( DeclarationNode * list ); // old-style functions |
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262 | DeclarationNode * addInitializer( InitializerNode * init ); |
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263 | |
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264 | DeclarationNode * cloneType( std::string * newName ); |
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265 | DeclarationNode * cloneType( DeclarationNode * existing ); |
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266 | DeclarationNode * cloneType( int ) { return cloneType( ( std::string *)0 ); } |
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267 | DeclarationNode * cloneBaseType( std::string * newName ); |
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268 | DeclarationNode * cloneBaseType( DeclarationNode * newdecl ); |
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269 | |
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270 | DeclarationNode * appendList( DeclarationNode * node ) { |
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271 | return (DeclarationNode *)set_last( node ); |
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272 | } |
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273 | |
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274 | void print( std::ostream &os, int indent = 0 ) const; |
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275 | void printList( std::ostream &os, int indent = 0 ) const; |
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276 | |
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277 | Declaration * build() const; |
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278 | ::Type * buildType() const; |
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279 | |
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280 | bool get_hasEllipsis() const; |
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281 | const std::string &get_name() const { return name; } |
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282 | LinkageSpec::Spec get_linkage() const { return linkage; } |
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283 | DeclarationNode * extractAggregate() const; |
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284 | bool has_enumeratorValue() const { return (bool)enumeratorValue; } |
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285 | ExpressionNode * consume_enumeratorValue() const { return const_cast<DeclarationNode*>(this)->enumeratorValue.release(); } |
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286 | |
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287 | bool get_extension() const { return extension; } |
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288 | DeclarationNode * set_extension( bool exten ) { extension = exten; return this; } |
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289 | public: |
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290 | // StorageClass buildStorageClass() const; |
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291 | // bool buildFuncSpecifier( StorageClass key ) const; |
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292 | |
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293 | struct Variable_t { |
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294 | DeclarationNode::TypeClass tyClass; |
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295 | std::string name; |
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296 | DeclarationNode * assertions; |
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297 | }; |
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298 | Variable_t variable; |
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299 | |
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300 | struct Attr_t { |
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301 | std::string name; |
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302 | ExpressionNode * expr; |
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303 | DeclarationNode * type; |
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304 | }; |
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305 | Attr_t attr; |
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306 | |
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307 | BuiltinType builtin; |
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308 | |
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309 | TypeData * type; |
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310 | std::string name; |
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311 | // std::list< StorageClass > storageClasses; |
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312 | StorageClass storageClass; |
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313 | bool isInline, isNoreturn; |
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314 | std::list< std::string > attributes; |
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315 | ExpressionNode * bitfieldWidth; |
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316 | std::unique_ptr<ExpressionNode> enumeratorValue; |
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317 | InitializerNode * initializer; |
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318 | bool hasEllipsis; |
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319 | LinkageSpec::Spec linkage; |
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320 | bool extension = false; |
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321 | std::string error; |
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322 | |
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323 | static UniqueName anonymous; |
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324 | }; // DeclarationNode |
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325 | |
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326 | Type * buildType( TypeData * type ); |
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327 | //Type::Qualifiers buildQualifiers( const TypeData::Qualifiers & qualifiers ); |
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328 | |
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329 | static inline Type * maybeMoveBuildType( const DeclarationNode * orig ) { |
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330 | Type* ret = orig ? orig->buildType() : nullptr; |
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331 | delete orig; |
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332 | return ret; |
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333 | } |
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334 | |
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335 | //############################################################################## |
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336 | |
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337 | class StatementNode final : public ParseNode { |
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338 | public: |
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339 | StatementNode() { stmt = nullptr; } |
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340 | StatementNode( Statement * stmt ) : stmt( stmt ) {} |
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341 | StatementNode( DeclarationNode * decl ); |
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342 | virtual ~StatementNode() {} |
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343 | |
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344 | virtual StatementNode * clone() const final { assert( false ); return nullptr; } |
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345 | Statement * build() const { return const_cast<StatementNode*>(this)->stmt.release(); } |
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346 | |
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347 | virtual StatementNode * add_label( const std::string * name ) { |
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348 | stmt->get_labels().emplace_back( * name ); |
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349 | delete name; |
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350 | return this; |
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351 | } |
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352 | |
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353 | virtual StatementNode * append_last_case( StatementNode * ); |
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354 | |
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355 | virtual void print( std::ostream &os, int indent = 0 ) {} |
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356 | virtual void printList( std::ostream &os, int indent = 0 ) {} |
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357 | private: |
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358 | std::unique_ptr<Statement> stmt; |
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359 | }; // StatementNode |
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360 | |
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361 | Statement * build_expr( ExpressionNode * ctl ); |
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362 | |
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363 | struct ForCtl { |
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364 | ForCtl( ExpressionNode * expr, ExpressionNode * condition, ExpressionNode * change ) : |
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365 | init( new StatementNode( build_expr( expr ) ) ), condition( condition ), change( change ) {} |
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366 | ForCtl( DeclarationNode * decl, ExpressionNode * condition, ExpressionNode * change ) : |
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367 | init( new StatementNode( decl ) ), condition( condition ), change( change ) {} |
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368 | |
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369 | StatementNode * init; |
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370 | ExpressionNode * condition; |
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371 | ExpressionNode * change; |
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372 | }; |
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373 | |
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374 | Statement * build_if( ExpressionNode * ctl, StatementNode * then_stmt, StatementNode * else_stmt ); |
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375 | Statement * build_switch( ExpressionNode * ctl, StatementNode * stmt ); |
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376 | Statement * build_case( ExpressionNode * ctl ); |
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377 | Statement * build_default(); |
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378 | Statement * build_while( ExpressionNode * ctl, StatementNode * stmt, bool kind = false ); |
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379 | Statement * build_for( ForCtl * forctl, StatementNode * stmt ); |
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380 | Statement * build_branch( BranchStmt::Type kind ); |
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381 | Statement * build_branch( std::string * identifier, BranchStmt::Type kind ); |
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382 | Statement * build_computedgoto( ExpressionNode * ctl ); |
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383 | Statement * build_return( ExpressionNode * ctl ); |
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384 | Statement * build_throw( ExpressionNode * ctl ); |
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385 | Statement * build_try( StatementNode * try_stmt, StatementNode * catch_stmt, StatementNode * finally_stmt ); |
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386 | Statement * build_catch( DeclarationNode * decl, StatementNode * stmt, bool catchAny = false ); |
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387 | Statement * build_finally( StatementNode * stmt ); |
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388 | Statement * build_compound( StatementNode * first ); |
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389 | Statement * build_asmstmt( bool voltile, ConstantExpr * instruction, ExpressionNode * output = 0, ExpressionNode * input = 0, ExpressionNode * clobber = 0, LabelNode * gotolabels = 0 ); |
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390 | |
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391 | //############################################################################## |
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392 | |
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393 | template< typename SynTreeType, typename NodeType > |
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394 | void buildList( const NodeType * firstNode, std::list< SynTreeType * > &outputList ) { |
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395 | SemanticError errors; |
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396 | std::back_insert_iterator< std::list< SynTreeType * > > out( outputList ); |
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397 | const NodeType * cur = firstNode; |
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398 | |
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399 | while ( cur ) { |
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400 | try { |
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401 | // SynTreeType * result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::result_of< decltype(&NodeType::build)(NodeType)>::type >( cur ) ); |
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402 | SynTreeType * result = dynamic_cast< SynTreeType * >( maybeBuild< typename std::pointer_traits< decltype(cur->build())>::element_type >( cur ) ); |
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403 | if ( result ) { |
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404 | * out++ = result; |
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405 | } // if |
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406 | } catch( SemanticError &e ) { |
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407 | errors.append( e ); |
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408 | } // try |
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409 | cur = dynamic_cast< NodeType * >( cur->get_next() ); |
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410 | } // while |
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411 | if ( ! errors.isEmpty() ) { |
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412 | throw errors; |
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413 | } // if |
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414 | } |
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415 | |
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416 | // in DeclarationNode.cc |
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417 | void buildList( const DeclarationNode * firstNode, std::list< Declaration * > &outputList ); |
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418 | void buildList( const DeclarationNode * firstNode, std::list< DeclarationWithType * > &outputList ); |
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419 | void buildTypeList( const DeclarationNode * firstNode, std::list< Type * > &outputList ); |
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420 | |
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421 | template< typename SynTreeType, typename NodeType > |
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422 | void buildMoveList( const NodeType * firstNode, std::list< SynTreeType * > &outputList ) { |
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423 | buildList(firstNode, outputList); |
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424 | delete firstNode; |
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425 | } |
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426 | |
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427 | // in ParseNode.cc |
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428 | std::ostream & operator<<( std::ostream & out, const ParseNode * node ); |
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429 | |
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430 | #endif // PARSENODE_H |
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431 | |
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432 | // Local Variables: // |
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433 | // tab-width: 4 // |
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434 | // mode: c++ // |
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435 | // compile-command: "make install" // |
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436 | // End: // |
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