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 | // Expression.h -- |
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8 | // |
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9 | // Author : Richard C. Bilson |
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10 | // Created On : Mon May 18 07:44:20 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Fri Apr 8 17:18:06 2016 |
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13 | // Update Count : 21 |
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14 | // |
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15 | |
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16 | #ifndef EXPRESSION_H |
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17 | #define EXPRESSION_H |
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18 | |
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19 | #include <map> |
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20 | #include "SynTree.h" |
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21 | #include "Visitor.h" |
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22 | #include "Mutator.h" |
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23 | #include "Constant.h" |
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24 | |
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25 | /// Expression is the root type for all expressions |
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26 | class Expression { |
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27 | public: |
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28 | Expression(Expression *_aname = 0 ); |
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29 | Expression( const Expression &other ); |
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30 | virtual ~Expression(); |
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31 | |
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32 | std::list<Type *>& get_results() { return results; } |
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33 | void add_result( Type *t ); |
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34 | |
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35 | TypeSubstitution *get_env() const { return env; } |
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36 | void set_env( TypeSubstitution *newValue ) { env = newValue; } |
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37 | Expression *get_argName() const { return argName; } |
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38 | void set_argName( Expression *name ) { argName = name; } |
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39 | |
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40 | virtual Expression *clone() const = 0; |
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41 | virtual void accept( Visitor &v ) = 0; |
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42 | virtual Expression *acceptMutator( Mutator &m ) = 0; |
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43 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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44 | protected: |
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45 | std::list<Type *> results; |
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46 | TypeSubstitution *env; |
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47 | Expression* argName; // if expression is used as an argument, it can be "designated" by this name |
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48 | }; |
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49 | |
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50 | /// ParamEntry contains the i.d. of a declaration and a type that is derived from that declaration, |
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51 | /// but subject to decay-to-pointer and type parameter renaming |
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52 | struct ParamEntry { |
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53 | ParamEntry(): decl( 0 ), actualType( 0 ), formalType( 0 ), expr( 0 ) {} |
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54 | ParamEntry( UniqueId decl, Type *actualType, Type *formalType, Expression* expr ): decl( decl ), actualType( actualType ), formalType( formalType ), expr( expr ) {} |
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55 | ParamEntry( const ParamEntry &other ); |
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56 | ~ParamEntry(); |
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57 | ParamEntry &operator=( const ParamEntry &other ); |
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58 | |
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59 | UniqueId decl; |
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60 | Type *actualType; |
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61 | Type *formalType; |
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62 | Expression* expr; |
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63 | }; |
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64 | |
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65 | typedef std::map< UniqueId, ParamEntry > InferredParams; |
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66 | |
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67 | /// ApplicationExpr represents the application of a function to a set of parameters. This is the |
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68 | /// result of running an UntypedExpr through the expression analyzer. |
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69 | class ApplicationExpr : public Expression { |
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70 | public: |
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71 | ApplicationExpr( Expression *function ); |
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72 | ApplicationExpr( const ApplicationExpr &other ); |
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73 | virtual ~ApplicationExpr(); |
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74 | |
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75 | Expression *get_function() const { return function; } |
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76 | void set_function( Expression *newValue ) { function = newValue; } |
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77 | std::list<Expression *>& get_args() { return args; } |
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78 | InferredParams &get_inferParams() { return inferParams; } |
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79 | |
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80 | virtual ApplicationExpr *clone() const { return new ApplicationExpr( *this ); } |
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81 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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82 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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83 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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84 | private: |
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85 | Expression *function; |
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86 | std::list<Expression *> args; |
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87 | InferredParams inferParams; |
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88 | }; |
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89 | |
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90 | /// UntypedExpr represents the application of a function to a set of parameters, but where the |
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91 | /// particular overload for the function name has not yet been determined. Most operators are |
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92 | /// converted into functional form automatically, to permit operator overloading. |
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93 | class UntypedExpr : public Expression { |
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94 | public: |
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95 | UntypedExpr( Expression *function, Expression *_aname = 0 ); |
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96 | UntypedExpr( const UntypedExpr &other ); |
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97 | UntypedExpr( Expression *function, std::list<Expression *> &args, Expression *_aname = 0 ); |
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98 | virtual ~UntypedExpr(); |
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99 | |
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100 | Expression *get_function() const { return function; } |
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101 | void set_function( Expression *newValue ) { function = newValue; } |
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102 | |
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103 | void set_args( std::list<Expression *> &listArgs ) { args = listArgs; } |
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104 | std::list<Expression*>::iterator begin_args() { return args.begin(); } |
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105 | std::list<Expression*>::iterator end_args() { return args.end(); } |
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106 | std::list<Expression*>& get_args() { return args; } |
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107 | |
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108 | virtual UntypedExpr *clone() const { return new UntypedExpr( *this ); } |
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109 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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110 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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111 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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112 | virtual void printArgs(std::ostream &os, int indent = 0) const; |
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113 | private: |
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114 | Expression *function; |
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115 | std::list<Expression*> args; |
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116 | }; |
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117 | |
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118 | /// NameExpr contains a name whose meaning is still not determined |
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119 | class NameExpr : public Expression { |
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120 | public: |
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121 | NameExpr( std::string name, Expression *_aname = 0 ); |
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122 | NameExpr( const NameExpr &other ); |
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123 | virtual ~NameExpr(); |
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124 | |
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125 | const std::string &get_name() const { return name; } |
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126 | void set_name( std::string newValue ) { name = newValue; } |
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127 | |
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128 | virtual NameExpr *clone() const { return new NameExpr( *this ); } |
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129 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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130 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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131 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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132 | private: |
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133 | std::string name; |
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134 | }; |
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135 | |
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136 | // The following classes are used to represent expression types that cannot be converted into |
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137 | // function-call format. |
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138 | |
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139 | /// AddressExpr represents a address-of expression, e.g. &e |
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140 | class AddressExpr : public Expression { |
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141 | public: |
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142 | AddressExpr( Expression *arg, Expression *_aname = 0 ); |
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143 | AddressExpr( const AddressExpr &other ); |
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144 | virtual ~AddressExpr(); |
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145 | |
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146 | Expression *get_arg() const { return arg; } |
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147 | void set_arg(Expression *newValue ) { arg = newValue; } |
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148 | |
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149 | virtual AddressExpr *clone() const { return new AddressExpr( *this ); } |
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150 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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151 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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152 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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153 | private: |
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154 | Expression *arg; |
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155 | }; |
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156 | |
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157 | // xxx - this doesn't appear to actually be hooked in anywhere. We should use this instead of the "&&"" UntypedExpr hack |
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158 | class LabelAddressExpr : public Expression { |
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159 | public: |
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160 | LabelAddressExpr( Expression *arg ); |
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161 | LabelAddressExpr( const LabelAddressExpr &other ); |
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162 | virtual ~LabelAddressExpr(); |
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163 | |
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164 | Expression *get_arg() const { return arg; } |
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165 | void set_arg(Expression *newValue ) { arg = newValue; } |
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166 | |
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167 | virtual LabelAddressExpr *clone() const { return new LabelAddressExpr( *this ); } |
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168 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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169 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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170 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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171 | private: |
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172 | Expression *arg; |
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173 | }; |
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174 | |
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175 | /// CastExpr represents a type cast expression, e.g. (int)e |
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176 | class CastExpr : public Expression { |
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177 | public: |
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178 | CastExpr( Expression *arg, Expression *_aname = 0 ); |
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179 | CastExpr( Expression *arg, Type *toType, Expression *_aname = 0 ); |
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180 | CastExpr( const CastExpr &other ); |
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181 | virtual ~CastExpr(); |
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182 | |
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183 | Expression *get_arg() const { return arg; } |
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184 | void set_arg(Expression *newValue ) { arg = newValue; } |
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185 | |
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186 | virtual CastExpr *clone() const { return new CastExpr( *this ); } |
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187 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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188 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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189 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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190 | private: |
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191 | Expression *arg; |
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192 | }; |
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193 | |
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194 | /// UntypedMemberExpr represents a member selection operation, e.g. q.p before processing by the expression analyzer |
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195 | class UntypedMemberExpr : public Expression { |
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196 | public: |
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197 | UntypedMemberExpr( std::string member, Expression *aggregate, Expression *_aname = 0 ); |
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198 | UntypedMemberExpr( const UntypedMemberExpr &other ); |
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199 | virtual ~UntypedMemberExpr(); |
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200 | |
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201 | std::string get_member() const { return member; } |
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202 | void set_member( const std::string &newValue ) { member = newValue; } |
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203 | Expression *get_aggregate() const { return aggregate; } |
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204 | void set_aggregate( Expression *newValue ) { aggregate = newValue; } |
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205 | |
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206 | virtual UntypedMemberExpr *clone() const { return new UntypedMemberExpr( *this ); } |
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207 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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208 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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209 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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210 | private: |
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211 | std::string member; |
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212 | Expression *aggregate; |
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213 | }; |
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214 | |
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215 | /// MemberExpr represents a member selection operation, e.g. q.p after processing by the expression analyzer |
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216 | class MemberExpr : public Expression { |
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217 | public: |
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218 | MemberExpr( DeclarationWithType *member, Expression *aggregate, Expression *_aname = 0 ); |
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219 | MemberExpr( const MemberExpr &other ); |
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220 | virtual ~MemberExpr(); |
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221 | |
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222 | DeclarationWithType *get_member() const { return member; } |
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223 | void set_member( DeclarationWithType *newValue ) { member = newValue; } |
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224 | Expression *get_aggregate() const { return aggregate; } |
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225 | void set_aggregate( Expression *newValue ) { aggregate = newValue; } |
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226 | |
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227 | virtual MemberExpr *clone() const { return new MemberExpr( *this ); } |
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228 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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229 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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230 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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231 | private: |
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232 | DeclarationWithType *member; |
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233 | Expression *aggregate; |
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234 | }; |
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235 | |
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236 | /// VariableExpr represents an expression that simply refers to the value of a named variable |
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237 | class VariableExpr : public Expression { |
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238 | public: |
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239 | VariableExpr( DeclarationWithType *var, Expression *_aname = 0 ); |
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240 | VariableExpr( const VariableExpr &other ); |
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241 | virtual ~VariableExpr(); |
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242 | |
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243 | DeclarationWithType *get_var() const { return var; } |
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244 | void set_var( DeclarationWithType *newValue ) { var = newValue; } |
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245 | |
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246 | virtual VariableExpr *clone() const { return new VariableExpr( *this ); } |
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247 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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248 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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249 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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250 | private: |
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251 | DeclarationWithType *var; |
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252 | }; |
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253 | |
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254 | /// ConstantExpr represents an expression that simply refers to the value of a constant |
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255 | class ConstantExpr : public Expression { |
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256 | public: |
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257 | ConstantExpr( Constant constant, Expression *_aname = 0 ); |
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258 | ConstantExpr( const ConstantExpr &other ); |
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259 | virtual ~ConstantExpr(); |
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260 | |
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261 | Constant *get_constant() { return &constant; } |
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262 | void set_constant( const Constant &newValue ) { constant = newValue; } |
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263 | |
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264 | virtual ConstantExpr *clone() const { return new ConstantExpr( *this ); } |
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265 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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266 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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267 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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268 | private: |
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269 | Constant constant; |
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270 | }; |
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271 | |
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272 | /// SizeofExpr represents a sizeof expression (could be sizeof(int) or sizeof 3+4) |
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273 | class SizeofExpr : public Expression { |
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274 | public: |
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275 | SizeofExpr( Expression *expr, Expression *_aname = 0 ); |
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276 | SizeofExpr( const SizeofExpr &other ); |
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277 | SizeofExpr( Type *type, Expression *_aname = 0 ); |
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278 | virtual ~SizeofExpr(); |
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279 | |
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280 | Expression *get_expr() const { return expr; } |
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281 | void set_expr( Expression *newValue ) { expr = newValue; } |
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282 | Type *get_type() const { return type; } |
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283 | void set_type( Type *newValue ) { type = newValue; } |
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284 | bool get_isType() const { return isType; } |
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285 | void set_isType( bool newValue ) { isType = newValue; } |
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286 | |
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287 | virtual SizeofExpr *clone() const { return new SizeofExpr( *this ); } |
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288 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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289 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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290 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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291 | private: |
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292 | Expression *expr; |
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293 | Type *type; |
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294 | bool isType; |
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295 | }; |
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296 | |
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297 | /// AlignofExpr represents an alignof expression |
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298 | class AlignofExpr : public Expression { |
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299 | public: |
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300 | AlignofExpr( Expression *expr, Expression *_aname = 0 ); |
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301 | AlignofExpr( const AlignofExpr &other ); |
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302 | AlignofExpr( Type *type, Expression *_aname = 0 ); |
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303 | virtual ~AlignofExpr(); |
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304 | |
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305 | Expression *get_expr() const { return expr; } |
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306 | void set_expr( Expression *newValue ) { expr = newValue; } |
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307 | Type *get_type() const { return type; } |
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308 | void set_type( Type *newValue ) { type = newValue; } |
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309 | bool get_isType() const { return isType; } |
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310 | void set_isType( bool newValue ) { isType = newValue; } |
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311 | |
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312 | virtual AlignofExpr *clone() const { return new AlignofExpr( *this ); } |
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313 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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314 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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315 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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316 | private: |
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317 | Expression *expr; |
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318 | Type *type; |
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319 | bool isType; |
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320 | }; |
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321 | |
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322 | /// UntypedOffsetofExpr represents an offsetof expression before resolution |
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323 | class UntypedOffsetofExpr : public Expression { |
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324 | public: |
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325 | UntypedOffsetofExpr( Type *type, const std::string &member, Expression *_aname = 0 ); |
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326 | UntypedOffsetofExpr( const UntypedOffsetofExpr &other ); |
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327 | virtual ~UntypedOffsetofExpr(); |
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328 | |
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329 | std::string get_member() const { return member; } |
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330 | void set_member( const std::string &newValue ) { member = newValue; } |
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331 | Type *get_type() const { return type; } |
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332 | void set_type( Type *newValue ) { type = newValue; } |
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333 | |
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334 | virtual UntypedOffsetofExpr *clone() const { return new UntypedOffsetofExpr( *this ); } |
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335 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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336 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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337 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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338 | private: |
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339 | Type *type; |
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340 | std::string member; |
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341 | }; |
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342 | |
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343 | /// OffsetofExpr represents an offsetof expression |
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344 | class OffsetofExpr : public Expression { |
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345 | public: |
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346 | OffsetofExpr( Type *type, DeclarationWithType *member, Expression *_aname = 0 ); |
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347 | OffsetofExpr( const OffsetofExpr &other ); |
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348 | virtual ~OffsetofExpr(); |
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349 | |
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350 | Type *get_type() const { return type; } |
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351 | void set_type( Type *newValue ) { type = newValue; } |
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352 | DeclarationWithType *get_member() const { return member; } |
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353 | void set_member( DeclarationWithType *newValue ) { member = newValue; } |
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354 | |
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355 | virtual OffsetofExpr *clone() const { return new OffsetofExpr( *this ); } |
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356 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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357 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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358 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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359 | private: |
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360 | Type *type; |
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361 | DeclarationWithType *member; |
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362 | }; |
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363 | |
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364 | /// Expression representing a pack of field-offsets for a generic type |
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365 | class OffsetPackExpr : public Expression { |
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366 | public: |
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367 | OffsetPackExpr( StructInstType *type_, Expression *aname_ = 0 ); |
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368 | OffsetPackExpr( const OffsetPackExpr &other ); |
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369 | virtual ~OffsetPackExpr(); |
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370 | |
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371 | StructInstType *get_type() const { return type; } |
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372 | void set_type( StructInstType *newValue ) { type = newValue; } |
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373 | |
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374 | virtual OffsetPackExpr *clone() const { return new OffsetPackExpr( *this ); } |
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375 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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376 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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377 | |
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378 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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379 | |
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380 | private: |
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381 | StructInstType *type; |
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382 | }; |
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383 | |
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384 | /// AttrExpr represents an @attribute expression (like sizeof, but user-defined) |
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385 | class AttrExpr : public Expression { |
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386 | public: |
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387 | AttrExpr(Expression *attr, Expression *expr, Expression *_aname = 0 ); |
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388 | AttrExpr( const AttrExpr &other ); |
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389 | AttrExpr( Expression *attr, Type *type, Expression *_aname = 0 ); |
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390 | virtual ~AttrExpr(); |
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391 | |
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392 | Expression *get_attr() const { return attr; } |
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393 | void set_attr( Expression *newValue ) { attr = newValue; } |
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394 | Expression *get_expr() const { return expr; } |
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395 | void set_expr( Expression *newValue ) { expr = newValue; } |
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396 | Type *get_type() const { return type; } |
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397 | void set_type( Type *newValue ) { type = newValue; } |
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398 | bool get_isType() const { return isType; } |
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399 | void set_isType( bool newValue ) { isType = newValue; } |
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400 | |
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401 | virtual AttrExpr *clone() const { return new AttrExpr( *this ); } |
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402 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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403 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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404 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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405 | private: |
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406 | Expression *attr; |
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407 | Expression *expr; |
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408 | Type *type; |
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409 | bool isType; |
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410 | }; |
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411 | |
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412 | /// LogicalExpr represents a short-circuit boolean expression (&& or ||) |
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413 | class LogicalExpr : public Expression { |
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414 | public: |
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415 | LogicalExpr( Expression *arg1, Expression *arg2, bool andp = true, Expression *_aname = 0 ); |
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416 | LogicalExpr( const LogicalExpr &other ); |
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417 | virtual ~LogicalExpr(); |
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418 | |
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419 | bool get_isAnd() const { return isAnd; } |
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420 | Expression *get_arg1() { return arg1; } |
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421 | void set_arg1( Expression *newValue ) { arg1 = newValue; } |
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422 | Expression *get_arg2() const { return arg2; } |
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423 | void set_arg2( Expression *newValue ) { arg2 = newValue; } |
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424 | |
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425 | virtual LogicalExpr *clone() const { return new LogicalExpr( *this ); } |
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426 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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427 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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428 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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429 | private: |
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430 | Expression *arg1; |
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431 | Expression *arg2; |
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432 | bool isAnd; |
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433 | }; |
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434 | |
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435 | /// ConditionalExpr represents the three-argument conditional ( p ? a : b ) |
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436 | class ConditionalExpr : public Expression { |
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437 | public: |
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438 | ConditionalExpr( Expression *arg1, Expression *arg2, Expression *arg3, Expression *_aname = 0 ); |
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439 | ConditionalExpr( const ConditionalExpr &other ); |
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440 | virtual ~ConditionalExpr(); |
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441 | |
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442 | Expression *get_arg1() const { return arg1; } |
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443 | void set_arg1( Expression *newValue ) { arg1 = newValue; } |
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444 | Expression *get_arg2() const { return arg2; } |
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445 | void set_arg2( Expression *newValue ) { arg2 = newValue; } |
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446 | Expression *get_arg3() const { return arg3; } |
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447 | void set_arg3( Expression *newValue ) { arg3 = newValue; } |
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448 | |
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449 | virtual ConditionalExpr *clone() const { return new ConditionalExpr( *this ); } |
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450 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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451 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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452 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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453 | private: |
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454 | Expression *arg1; |
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455 | Expression *arg2; |
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456 | Expression *arg3; |
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457 | }; |
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458 | |
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459 | /// CommaExpr represents the sequence operator ( a, b ) |
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460 | class CommaExpr : public Expression { |
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461 | public: |
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462 | CommaExpr( Expression *arg1, Expression *arg2, Expression *_aname = 0 ); |
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463 | CommaExpr( const CommaExpr &other ); |
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464 | virtual ~CommaExpr(); |
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465 | |
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466 | Expression *get_arg1() const { return arg1; } |
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467 | void set_arg1( Expression *newValue ) { arg1 = newValue; } |
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468 | Expression *get_arg2() const { return arg2; } |
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469 | void set_arg2( Expression *newValue ) { arg2 = newValue; } |
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470 | |
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471 | virtual CommaExpr *clone() const { return new CommaExpr( *this ); } |
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472 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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473 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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474 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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475 | private: |
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476 | Expression *arg1; |
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477 | Expression *arg2; |
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478 | }; |
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479 | |
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480 | /// TupleExpr represents a tuple expression ( [a, b, c] ) |
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481 | class TupleExpr : public Expression { |
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482 | public: |
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483 | TupleExpr( Expression *_aname = 0 ); |
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484 | TupleExpr( const TupleExpr &other ); |
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485 | virtual ~TupleExpr(); |
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486 | |
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487 | void set_exprs( std::list<Expression*> newValue ) { exprs = newValue; } |
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488 | std::list<Expression*>& get_exprs() { return exprs; } |
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489 | |
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490 | virtual TupleExpr *clone() const { return new TupleExpr( *this ); } |
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491 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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492 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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493 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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494 | private: |
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495 | std::list<Expression*> exprs; |
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496 | }; |
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497 | |
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498 | /// SolvedTupleExpr represents a TupleExpr whose components have been type-resolved. It is effectively a shell for the code generator to work on |
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499 | class SolvedTupleExpr : public Expression { |
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500 | public: |
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501 | SolvedTupleExpr( Expression *_aname = 0 ) : Expression( _aname ) {} |
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502 | SolvedTupleExpr( std::list<Expression *> &, Expression *_aname = 0 ); |
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503 | SolvedTupleExpr( const SolvedTupleExpr &other ); |
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504 | virtual ~SolvedTupleExpr() {} |
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505 | |
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506 | std::list<Expression*> &get_exprs() { return exprs; } |
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507 | |
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508 | virtual SolvedTupleExpr *clone() const { return new SolvedTupleExpr( *this ); } |
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509 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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510 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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511 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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512 | private: |
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513 | std::list<Expression*> exprs; |
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514 | }; |
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515 | |
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516 | /// TypeExpr represents a type used in an expression (e.g. as a type generator parameter) |
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517 | class TypeExpr : public Expression { |
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518 | public: |
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519 | TypeExpr( Type *type ); |
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520 | TypeExpr( const TypeExpr &other ); |
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521 | virtual ~TypeExpr(); |
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522 | |
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523 | Type *get_type() const { return type; } |
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524 | void set_type( Type *newValue ) { type = newValue; } |
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525 | |
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526 | virtual TypeExpr *clone() const { return new TypeExpr( *this ); } |
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527 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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528 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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529 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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530 | private: |
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531 | Type *type; |
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532 | }; |
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533 | |
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534 | /// AsmExpr represents a GCC 'asm constraint operand' used in an asm statement: [output] "=f" (result) |
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535 | class AsmExpr : public Expression { |
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536 | public: |
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537 | AsmExpr( Expression *inout, ConstantExpr *constraint, Expression *operand ) : inout( inout ), constraint( constraint ), operand( operand ) {} |
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538 | AsmExpr( const AsmExpr & other ); |
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539 | virtual ~AsmExpr() { delete inout; delete constraint; delete operand; }; |
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540 | |
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541 | Expression *get_inout() const { return inout; } |
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542 | void set_inout( Expression *newValue ) { inout = newValue; } |
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543 | |
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544 | ConstantExpr *get_constraint() const { return constraint; } |
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545 | void set_constraint( ConstantExpr *newValue ) { constraint = newValue; } |
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546 | |
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547 | Expression *get_operand() const { return operand; } |
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548 | void set_operand( Expression *newValue ) { operand = newValue; } |
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549 | |
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550 | virtual AsmExpr *clone() const { return new AsmExpr( *this ); } |
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551 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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552 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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553 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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554 | private: |
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555 | // https://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Machine-Constraints.html#Machine-Constraints |
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556 | Expression *inout; |
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557 | ConstantExpr *constraint; |
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558 | Expression *operand; |
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559 | }; |
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560 | |
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561 | /// ValofExpr represents a GCC 'lambda expression' |
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562 | class UntypedValofExpr : public Expression { |
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563 | public: |
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564 | UntypedValofExpr( Statement *_body, Expression *_aname = 0 ) : Expression( _aname ), body ( _body ) {} |
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565 | UntypedValofExpr( const UntypedValofExpr & other ); |
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566 | virtual ~UntypedValofExpr(); |
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567 | |
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568 | Expression *get_value(); |
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569 | Statement *get_body() const { return body; } |
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570 | |
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571 | virtual UntypedValofExpr *clone() const { return new UntypedValofExpr( *this ); } |
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572 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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573 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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574 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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575 | private: |
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576 | Statement *body; |
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577 | }; |
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578 | |
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579 | /// CompoundLiteralExpr represents a C99 'compound literal' |
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580 | class CompoundLiteralExpr : public Expression { |
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581 | public: |
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582 | CompoundLiteralExpr( Type * type, Initializer * initializer ); |
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583 | CompoundLiteralExpr( const CompoundLiteralExpr &other ); |
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584 | ~CompoundLiteralExpr(); |
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585 | |
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586 | Type * get_type() const { return type; } |
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587 | void set_type( Type * t ) { type = t; } |
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588 | |
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589 | Initializer * get_initializer() const { return initializer; } |
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590 | void set_initializer( Initializer * i ) { initializer = i; } |
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591 | |
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592 | virtual CompoundLiteralExpr *clone() const { return new CompoundLiteralExpr( *this ); } |
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593 | virtual void accept( Visitor &v ) { v.visit( this ); } |
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594 | virtual Expression *acceptMutator( Mutator &m ) { return m.mutate( this ); } |
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595 | virtual void print( std::ostream &os, int indent = 0 ) const; |
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596 | private: |
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597 | Type * type; |
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598 | Initializer * initializer; |
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599 | }; |
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600 | |
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601 | std::ostream & operator<<( std::ostream & out, Expression * expr ); |
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602 | |
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603 | #endif // EXPRESSION_H |
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604 | |
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605 | // Local Variables: // |
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606 | // tab-width: 4 // |
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607 | // mode: c++ // |
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608 | // compile-command: "make install" // |
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609 | // End: // |
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