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 : Sat Jan 14 14:37:54 2017 |
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13 | // Update Count : 37 |
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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 <memory> |
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21 | |
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22 | #include "BaseSyntaxNode.h" |
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23 | #include "Constant.h" |
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24 | #include "Mutator.h" |
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25 | #include "SynTree.h" |
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26 | #include "Visitor.h" |
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27 | #include "Common/UniqueName.h" |
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28 | |
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29 | /// Expression is the root type for all expressions |
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30 | class Expression : public BaseSyntaxNode{ |
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31 | public: |
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32 | Expression( Expression * _aname = nullptr ); |
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33 | Expression( const Expression & other ); |
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34 | virtual ~Expression(); |
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35 | |
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36 | Type *& get_result() { return result; } |
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37 | void set_result( Type * newValue ) { result = newValue; } |
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38 | bool has_result() const { return result != nullptr; } |
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39 | |
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40 | TypeSubstitution * get_env() const { return env; } |
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41 | void set_env( TypeSubstitution * newValue ) { env = newValue; } |
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42 | Expression * get_argName() const { return argName; } |
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43 | void set_argName( Expression * name ) { argName = name; } |
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44 | bool get_extension() const { return extension; } |
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45 | Expression * set_extension( bool exten ) { extension = exten; return this; } |
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46 | |
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47 | virtual Expression * clone() const = 0; |
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48 | virtual void accept( Visitor & v ) = 0; |
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49 | virtual Expression * acceptMutator( Mutator & m ) = 0; |
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50 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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51 | protected: |
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52 | Type * result; |
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53 | TypeSubstitution * env; |
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54 | Expression * argName; // if expression is used as an argument, it can be "designated" by this name |
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55 | bool extension = false; |
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56 | }; |
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57 | |
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58 | struct ParamEntry; |
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59 | typedef std::map< UniqueId, ParamEntry > InferredParams; |
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60 | |
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61 | /// ParamEntry contains the i.d. of a declaration and a type that is derived from that declaration, |
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62 | /// but subject to decay-to-pointer and type parameter renaming |
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63 | struct ParamEntry { |
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64 | ParamEntry(): decl( 0 ), actualType( 0 ), formalType( 0 ), expr( 0 ), inferParams( new InferredParams ) {} |
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65 | ParamEntry( UniqueId decl, Type * actualType, Type * formalType, Expression* expr ): decl( decl ), actualType( actualType ), formalType( formalType ), expr( expr ), inferParams( new InferredParams ) {} |
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66 | ParamEntry( const ParamEntry & other ); |
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67 | ~ParamEntry(); |
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68 | ParamEntry & operator=( const ParamEntry & other ); |
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69 | |
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70 | UniqueId decl; |
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71 | Type * actualType; |
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72 | Type * formalType; |
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73 | Expression* expr; |
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74 | std::unique_ptr< InferredParams > inferParams; |
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75 | }; |
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76 | |
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77 | /// ApplicationExpr represents the application of a function to a set of parameters. This is the result of running an |
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78 | /// UntypedExpr through the expression analyzer. |
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79 | class ApplicationExpr : public Expression { |
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80 | public: |
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81 | ApplicationExpr( Expression * function ); |
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82 | ApplicationExpr( const ApplicationExpr & other ); |
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83 | virtual ~ApplicationExpr(); |
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84 | |
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85 | Expression * get_function() const { return function; } |
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86 | void set_function( Expression * newValue ) { function = newValue; } |
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87 | std::list<Expression *>& get_args() { return args; } |
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88 | InferredParams & get_inferParams() { return inferParams; } |
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89 | |
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90 | virtual ApplicationExpr * clone() const { return new ApplicationExpr( * this ); } |
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91 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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92 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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93 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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94 | private: |
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95 | Expression * function; |
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96 | std::list<Expression *> args; |
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97 | InferredParams inferParams; |
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98 | }; |
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99 | |
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100 | /// UntypedExpr represents the application of a function to a set of parameters, but where the particular overload for |
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101 | /// the function name has not yet been determined. Most operators are converted into functional form automatically, to |
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102 | /// permit operator overloading. |
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103 | class UntypedExpr : public Expression { |
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104 | public: |
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105 | UntypedExpr( Expression * function, const std::list<Expression *> & args = std::list< Expression * >(), Expression *_aname = nullptr ); |
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106 | UntypedExpr( const UntypedExpr & other ); |
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107 | virtual ~UntypedExpr(); |
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108 | |
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109 | Expression * get_function() const { return function; } |
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110 | void set_function( Expression * newValue ) { function = newValue; } |
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111 | |
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112 | void set_args( std::list<Expression *> & listArgs ) { args = listArgs; } |
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113 | std::list<Expression*>::iterator begin_args() { return args.begin(); } |
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114 | std::list<Expression*>::iterator end_args() { return args.end(); } |
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115 | std::list<Expression*>& get_args() { return args; } |
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116 | |
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117 | static UntypedExpr * createDeref( Expression * arg ); |
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118 | static UntypedExpr * createAssign( Expression * arg1, Expression * arg2 ); |
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119 | |
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120 | virtual UntypedExpr * clone() const { return new UntypedExpr( * this ); } |
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121 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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122 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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123 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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124 | virtual void printArgs(std::ostream & os, int indent = 0) const; |
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125 | private: |
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126 | Expression * function; |
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127 | std::list<Expression*> args; |
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128 | }; |
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129 | |
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130 | /// NameExpr contains a name whose meaning is still not determined |
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131 | class NameExpr : public Expression { |
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132 | public: |
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133 | NameExpr( std::string name, Expression *_aname = nullptr ); |
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134 | NameExpr( const NameExpr & other ); |
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135 | virtual ~NameExpr(); |
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136 | |
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137 | const std::string & get_name() const { return name; } |
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138 | void set_name( std::string newValue ) { name = newValue; } |
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139 | |
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140 | virtual NameExpr * clone() const { return new NameExpr( * this ); } |
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141 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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142 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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143 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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144 | private: |
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145 | std::string name; |
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146 | }; |
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147 | |
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148 | // The following classes are used to represent expression types that cannot be converted into |
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149 | // function-call format. |
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150 | |
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151 | /// AddressExpr represents a address-of expression, e.g. & e |
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152 | class AddressExpr : public Expression { |
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153 | public: |
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154 | AddressExpr( Expression * arg, Expression *_aname = nullptr ); |
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155 | AddressExpr( const AddressExpr & other ); |
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156 | virtual ~AddressExpr(); |
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157 | |
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158 | Expression * get_arg() const { return arg; } |
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159 | void set_arg(Expression * newValue ) { arg = newValue; } |
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160 | |
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161 | virtual AddressExpr * clone() const { return new AddressExpr( * this ); } |
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162 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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163 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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164 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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165 | private: |
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166 | Expression * arg; |
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167 | }; |
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168 | |
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169 | // xxx - this doesn't appear to actually be hooked in anywhere. We should use this instead of the "&&"" UntypedExpr hack |
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170 | class LabelAddressExpr : public Expression { |
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171 | public: |
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172 | LabelAddressExpr( Expression * arg ); |
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173 | LabelAddressExpr( const LabelAddressExpr & other ); |
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174 | virtual ~LabelAddressExpr(); |
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175 | |
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176 | Expression * get_arg() const { return arg; } |
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177 | void set_arg(Expression * newValue ) { arg = newValue; } |
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178 | |
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179 | virtual LabelAddressExpr * clone() const { return new LabelAddressExpr( * this ); } |
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180 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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181 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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182 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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183 | private: |
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184 | Expression * arg; |
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185 | }; |
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186 | |
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187 | /// CastExpr represents a type cast expression, e.g. (int)e |
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188 | class CastExpr : public Expression { |
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189 | public: |
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190 | CastExpr( Expression * arg, Expression *_aname = nullptr ); |
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191 | CastExpr( Expression * arg, Type * toType, Expression *_aname = nullptr ); |
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192 | CastExpr( const CastExpr & other ); |
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193 | virtual ~CastExpr(); |
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194 | |
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195 | Expression * get_arg() const { return arg; } |
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196 | void set_arg(Expression * newValue ) { arg = newValue; } |
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197 | |
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198 | virtual CastExpr * clone() const { return new CastExpr( * this ); } |
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199 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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200 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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201 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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202 | private: |
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203 | Expression * arg; |
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204 | }; |
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205 | |
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206 | /// UntypedMemberExpr represents a member selection operation, e.g. q.p before processing by the expression analyzer |
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207 | class UntypedMemberExpr : public Expression { |
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208 | public: |
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209 | UntypedMemberExpr( Expression * member, Expression * aggregate, Expression *_aname = nullptr ); |
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210 | UntypedMemberExpr( const UntypedMemberExpr & other ); |
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211 | virtual ~UntypedMemberExpr(); |
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212 | |
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213 | Expression * get_member() const { return member; } |
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214 | void set_member( Expression * newValue ) { member = newValue; } |
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215 | Expression * get_aggregate() const { return aggregate; } |
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216 | void set_aggregate( Expression * newValue ) { aggregate = newValue; } |
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217 | |
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218 | virtual UntypedMemberExpr * clone() const { return new UntypedMemberExpr( * this ); } |
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219 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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220 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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221 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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222 | private: |
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223 | Expression * member; |
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224 | Expression * aggregate; |
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225 | }; |
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226 | |
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227 | /// MemberExpr represents a member selection operation, e.g. q.p after processing by the expression analyzer |
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228 | class MemberExpr : public Expression { |
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229 | public: |
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230 | MemberExpr( DeclarationWithType * member, Expression * aggregate, Expression *_aname = nullptr ); |
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231 | MemberExpr( const MemberExpr & other ); |
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232 | virtual ~MemberExpr(); |
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233 | |
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234 | DeclarationWithType * get_member() const { return member; } |
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235 | void set_member( DeclarationWithType * newValue ) { member = newValue; } |
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236 | Expression * get_aggregate() const { return aggregate; } |
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237 | void set_aggregate( Expression * newValue ) { aggregate = newValue; } |
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238 | |
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239 | virtual MemberExpr * clone() const { return new MemberExpr( * this ); } |
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240 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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241 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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242 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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243 | private: |
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244 | DeclarationWithType * member; |
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245 | Expression * aggregate; |
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246 | }; |
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247 | |
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248 | /// VariableExpr represents an expression that simply refers to the value of a named variable |
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249 | class VariableExpr : public Expression { |
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250 | public: |
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251 | VariableExpr( DeclarationWithType * var, Expression *_aname = nullptr ); |
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252 | VariableExpr( const VariableExpr & other ); |
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253 | virtual ~VariableExpr(); |
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254 | |
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255 | DeclarationWithType * get_var() const { return var; } |
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256 | void set_var( DeclarationWithType * newValue ) { var = newValue; } |
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257 | |
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258 | virtual VariableExpr * clone() const { return new VariableExpr( * this ); } |
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259 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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260 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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261 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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262 | private: |
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263 | DeclarationWithType * var; |
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264 | }; |
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265 | |
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266 | /// ConstantExpr represents an expression that simply refers to the value of a constant |
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267 | class ConstantExpr : public Expression { |
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268 | public: |
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269 | ConstantExpr( Constant constant, Expression *_aname = nullptr ); |
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270 | ConstantExpr( const ConstantExpr & other ); |
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271 | virtual ~ConstantExpr(); |
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272 | |
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273 | Constant * get_constant() { return & constant; } |
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274 | void set_constant( const Constant & newValue ) { constant = newValue; } |
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275 | |
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276 | virtual ConstantExpr * clone() const { return new ConstantExpr( * this ); } |
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277 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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278 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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279 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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280 | private: |
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281 | Constant constant; |
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282 | }; |
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283 | |
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284 | /// SizeofExpr represents a sizeof expression (could be sizeof(int) or sizeof 3+4) |
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285 | class SizeofExpr : public Expression { |
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286 | public: |
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287 | SizeofExpr( Expression * expr, Expression *_aname = nullptr ); |
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288 | SizeofExpr( const SizeofExpr & other ); |
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289 | SizeofExpr( Type * type, Expression *_aname = nullptr ); |
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290 | virtual ~SizeofExpr(); |
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291 | |
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292 | Expression * get_expr() const { return expr; } |
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293 | void set_expr( Expression * newValue ) { expr = newValue; } |
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294 | Type * get_type() const { return type; } |
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295 | void set_type( Type * newValue ) { type = newValue; } |
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296 | bool get_isType() const { return isType; } |
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297 | void set_isType( bool newValue ) { isType = newValue; } |
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298 | |
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299 | virtual SizeofExpr * clone() const { return new SizeofExpr( * this ); } |
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300 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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301 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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302 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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303 | private: |
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304 | Expression * expr; |
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305 | Type * type; |
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306 | bool isType; |
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307 | }; |
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308 | |
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309 | /// AlignofExpr represents an alignof expression |
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310 | class AlignofExpr : public Expression { |
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311 | public: |
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312 | AlignofExpr( Expression * expr, Expression *_aname = nullptr ); |
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313 | AlignofExpr( const AlignofExpr & other ); |
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314 | AlignofExpr( Type * type, Expression *_aname = nullptr ); |
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315 | virtual ~AlignofExpr(); |
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316 | |
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317 | Expression * get_expr() const { return expr; } |
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318 | void set_expr( Expression * newValue ) { expr = newValue; } |
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319 | Type * get_type() const { return type; } |
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320 | void set_type( Type * newValue ) { type = newValue; } |
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321 | bool get_isType() const { return isType; } |
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322 | void set_isType( bool newValue ) { isType = newValue; } |
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323 | |
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324 | virtual AlignofExpr * clone() const { return new AlignofExpr( * this ); } |
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325 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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326 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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327 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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328 | private: |
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329 | Expression * expr; |
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330 | Type * type; |
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331 | bool isType; |
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332 | }; |
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333 | |
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334 | /// UntypedOffsetofExpr represents an offsetof expression before resolution |
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335 | class UntypedOffsetofExpr : public Expression { |
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336 | public: |
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337 | UntypedOffsetofExpr( Type * type, const std::string & member, Expression *_aname = nullptr ); |
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338 | UntypedOffsetofExpr( const UntypedOffsetofExpr & other ); |
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339 | virtual ~UntypedOffsetofExpr(); |
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340 | |
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341 | std::string get_member() const { return member; } |
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342 | void set_member( const std::string & newValue ) { member = newValue; } |
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343 | Type * get_type() const { return type; } |
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344 | void set_type( Type * newValue ) { type = newValue; } |
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345 | |
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346 | virtual UntypedOffsetofExpr * clone() const { return new UntypedOffsetofExpr( * this ); } |
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347 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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348 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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349 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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350 | private: |
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351 | Type * type; |
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352 | std::string member; |
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353 | }; |
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354 | |
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355 | /// OffsetofExpr represents an offsetof expression |
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356 | class OffsetofExpr : public Expression { |
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357 | public: |
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358 | OffsetofExpr( Type * type, DeclarationWithType * member, Expression *_aname = nullptr ); |
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359 | OffsetofExpr( const OffsetofExpr & other ); |
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360 | virtual ~OffsetofExpr(); |
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361 | |
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362 | Type * get_type() const { return type; } |
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363 | void set_type( Type * newValue ) { type = newValue; } |
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364 | DeclarationWithType * get_member() const { return member; } |
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365 | void set_member( DeclarationWithType * newValue ) { member = newValue; } |
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366 | |
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367 | virtual OffsetofExpr * clone() const { return new OffsetofExpr( * this ); } |
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368 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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369 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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370 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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371 | private: |
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372 | Type * type; |
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373 | DeclarationWithType * member; |
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374 | }; |
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375 | |
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376 | /// Expression representing a pack of field-offsets for a generic type |
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377 | class OffsetPackExpr : public Expression { |
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378 | public: |
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379 | OffsetPackExpr( StructInstType * type_, Expression * aname_ = 0 ); |
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380 | OffsetPackExpr( const OffsetPackExpr & other ); |
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381 | virtual ~OffsetPackExpr(); |
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382 | |
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383 | StructInstType * get_type() const { return type; } |
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384 | void set_type( StructInstType * newValue ) { type = newValue; } |
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385 | |
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386 | virtual OffsetPackExpr * clone() const { return new OffsetPackExpr( * this ); } |
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387 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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388 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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389 | |
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390 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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391 | |
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392 | private: |
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393 | StructInstType * type; |
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394 | }; |
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395 | |
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396 | /// AttrExpr represents an @attribute expression (like sizeof, but user-defined) |
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397 | class AttrExpr : public Expression { |
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398 | public: |
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399 | AttrExpr(Expression * attr, Expression * expr, Expression *_aname = nullptr ); |
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400 | AttrExpr( const AttrExpr & other ); |
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401 | AttrExpr( Expression * attr, Type * type, Expression *_aname = nullptr ); |
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402 | virtual ~AttrExpr(); |
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403 | |
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404 | Expression * get_attr() const { return attr; } |
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405 | void set_attr( Expression * newValue ) { attr = newValue; } |
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406 | Expression * get_expr() const { return expr; } |
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407 | void set_expr( Expression * newValue ) { expr = newValue; } |
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408 | Type * get_type() const { return type; } |
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409 | void set_type( Type * newValue ) { type = newValue; } |
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410 | bool get_isType() const { return isType; } |
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411 | void set_isType( bool newValue ) { isType = newValue; } |
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412 | |
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413 | virtual AttrExpr * clone() const { return new AttrExpr( * this ); } |
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414 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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415 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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416 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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417 | private: |
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418 | Expression * attr; |
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419 | Expression * expr; |
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420 | Type * type; |
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421 | bool isType; |
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422 | }; |
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423 | |
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424 | /// LogicalExpr represents a short-circuit boolean expression (&& or ||) |
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425 | class LogicalExpr : public Expression { |
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426 | public: |
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427 | LogicalExpr( Expression * arg1, Expression * arg2, bool andp = true, Expression *_aname = nullptr ); |
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428 | LogicalExpr( const LogicalExpr & other ); |
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429 | virtual ~LogicalExpr(); |
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430 | |
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431 | bool get_isAnd() const { return isAnd; } |
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432 | Expression * get_arg1() { return arg1; } |
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433 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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434 | Expression * get_arg2() const { return arg2; } |
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435 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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436 | |
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437 | virtual LogicalExpr * clone() const { return new LogicalExpr( * this ); } |
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438 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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439 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
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440 | virtual void print( std::ostream & os, int indent = 0 ) const; |
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441 | private: |
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442 | Expression * arg1; |
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443 | Expression * arg2; |
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444 | bool isAnd; |
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445 | }; |
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446 | |
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447 | /// ConditionalExpr represents the three-argument conditional ( p ? a : b ) |
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448 | class ConditionalExpr : public Expression { |
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449 | public: |
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450 | ConditionalExpr( Expression * arg1, Expression * arg2, Expression * arg3, Expression *_aname = nullptr ); |
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451 | ConditionalExpr( const ConditionalExpr & other ); |
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452 | virtual ~ConditionalExpr(); |
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453 | |
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454 | Expression * get_arg1() const { return arg1; } |
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455 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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456 | Expression * get_arg2() const { return arg2; } |
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457 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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458 | Expression * get_arg3() const { return arg3; } |
---|
459 | void set_arg3( Expression * newValue ) { arg3 = newValue; } |
---|
460 | |
---|
461 | virtual ConditionalExpr * clone() const { return new ConditionalExpr( * this ); } |
---|
462 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
463 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
464 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
465 | private: |
---|
466 | Expression * arg1; |
---|
467 | Expression * arg2; |
---|
468 | Expression * arg3; |
---|
469 | }; |
---|
470 | |
---|
471 | /// CommaExpr represents the sequence operator ( a, b ) |
---|
472 | class CommaExpr : public Expression { |
---|
473 | public: |
---|
474 | CommaExpr( Expression * arg1, Expression * arg2, Expression *_aname = nullptr ); |
---|
475 | CommaExpr( const CommaExpr & other ); |
---|
476 | virtual ~CommaExpr(); |
---|
477 | |
---|
478 | Expression * get_arg1() const { return arg1; } |
---|
479 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
---|
480 | Expression * get_arg2() const { return arg2; } |
---|
481 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
---|
482 | |
---|
483 | virtual CommaExpr * clone() const { return new CommaExpr( * this ); } |
---|
484 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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485 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
486 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
487 | private: |
---|
488 | Expression * arg1; |
---|
489 | Expression * arg2; |
---|
490 | }; |
---|
491 | |
---|
492 | /// TypeExpr represents a type used in an expression (e.g. as a type generator parameter) |
---|
493 | class TypeExpr : public Expression { |
---|
494 | public: |
---|
495 | TypeExpr( Type * type ); |
---|
496 | TypeExpr( const TypeExpr & other ); |
---|
497 | virtual ~TypeExpr(); |
---|
498 | |
---|
499 | Type * get_type() const { return type; } |
---|
500 | void set_type( Type * newValue ) { type = newValue; } |
---|
501 | |
---|
502 | virtual TypeExpr * clone() const { return new TypeExpr( * this ); } |
---|
503 | virtual void accept( Visitor & v ) { v.visit( this ); } |
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504 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
505 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
506 | private: |
---|
507 | Type * type; |
---|
508 | }; |
---|
509 | |
---|
510 | /// AsmExpr represents a GCC 'asm constraint operand' used in an asm statement: [output] "=f" (result) |
---|
511 | class AsmExpr : public Expression { |
---|
512 | public: |
---|
513 | AsmExpr( Expression * inout, ConstantExpr * constraint, Expression * operand ) : inout( inout ), constraint( constraint ), operand( operand ) {} |
---|
514 | AsmExpr( const AsmExpr & other ); |
---|
515 | virtual ~AsmExpr() { delete inout; delete constraint; delete operand; }; |
---|
516 | |
---|
517 | Expression * get_inout() const { return inout; } |
---|
518 | void set_inout( Expression * newValue ) { inout = newValue; } |
---|
519 | |
---|
520 | ConstantExpr * get_constraint() const { return constraint; } |
---|
521 | void set_constraint( ConstantExpr * newValue ) { constraint = newValue; } |
---|
522 | |
---|
523 | Expression * get_operand() const { return operand; } |
---|
524 | void set_operand( Expression * newValue ) { operand = newValue; } |
---|
525 | |
---|
526 | virtual AsmExpr * clone() const { return new AsmExpr( * this ); } |
---|
527 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
528 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
529 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
530 | private: |
---|
531 | // https://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Machine-Constraints.html#Machine-Constraints |
---|
532 | Expression * inout; |
---|
533 | ConstantExpr * constraint; |
---|
534 | Expression * operand; |
---|
535 | }; |
---|
536 | |
---|
537 | /// ImplicitCopyCtorExpr represents the application of a function to a set of parameters, |
---|
538 | /// along with a set of copy constructor calls, one for each argument. |
---|
539 | class ImplicitCopyCtorExpr : public Expression { |
---|
540 | public: |
---|
541 | ImplicitCopyCtorExpr( ApplicationExpr * callExpr ); |
---|
542 | ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other ); |
---|
543 | virtual ~ImplicitCopyCtorExpr(); |
---|
544 | |
---|
545 | ApplicationExpr * get_callExpr() const { return callExpr; } |
---|
546 | void set_callExpr( ApplicationExpr * newValue ) { callExpr = newValue; } |
---|
547 | |
---|
548 | std::list< ObjectDecl * > & get_tempDecls() { return tempDecls; } |
---|
549 | std::list< ObjectDecl * > & get_returnDecls() { return returnDecls; } |
---|
550 | std::list< Expression * > & get_dtors() { return dtors; } |
---|
551 | |
---|
552 | virtual ImplicitCopyCtorExpr * clone() const { return new ImplicitCopyCtorExpr( * this ); } |
---|
553 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
554 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
555 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
556 | private: |
---|
557 | ApplicationExpr * callExpr; |
---|
558 | std::list< ObjectDecl * > tempDecls; |
---|
559 | std::list< ObjectDecl * > returnDecls; |
---|
560 | std::list< Expression * > dtors; |
---|
561 | }; |
---|
562 | |
---|
563 | /// ConstructorExpr represents the use of a constructor in an expression context, e.g. int * x = malloc() { 5 }; |
---|
564 | class ConstructorExpr : public Expression { |
---|
565 | public: |
---|
566 | ConstructorExpr( Expression * callExpr ); |
---|
567 | ConstructorExpr( const ConstructorExpr & other ); |
---|
568 | ~ConstructorExpr(); |
---|
569 | |
---|
570 | Expression * get_callExpr() const { return callExpr; } |
---|
571 | void set_callExpr( Expression * newValue ) { callExpr = newValue; } |
---|
572 | |
---|
573 | virtual ConstructorExpr * clone() const { return new ConstructorExpr( * this ); } |
---|
574 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
575 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
576 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
577 | private: |
---|
578 | Expression * callExpr; |
---|
579 | }; |
---|
580 | |
---|
581 | /// CompoundLiteralExpr represents a C99 'compound literal' |
---|
582 | class CompoundLiteralExpr : public Expression { |
---|
583 | public: |
---|
584 | CompoundLiteralExpr( Type * type, Initializer * initializer ); |
---|
585 | CompoundLiteralExpr( const CompoundLiteralExpr & other ); |
---|
586 | virtual ~CompoundLiteralExpr(); |
---|
587 | |
---|
588 | Type * get_type() const { return type; } |
---|
589 | void set_type( Type * t ) { type = t; } |
---|
590 | |
---|
591 | Initializer * get_initializer() const { return initializer; } |
---|
592 | void set_initializer( Initializer * i ) { initializer = i; } |
---|
593 | |
---|
594 | virtual CompoundLiteralExpr * clone() const { return new CompoundLiteralExpr( * this ); } |
---|
595 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
596 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
597 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
598 | private: |
---|
599 | Type * type; |
---|
600 | Initializer * initializer; |
---|
601 | }; |
---|
602 | |
---|
603 | /// ValofExpr represents a GCC 'lambda expression' |
---|
604 | class UntypedValofExpr : public Expression { |
---|
605 | public: |
---|
606 | UntypedValofExpr( Statement *_body, Expression *_aname = nullptr ) : Expression( _aname ), body ( _body ) {} |
---|
607 | UntypedValofExpr( const UntypedValofExpr & other ); |
---|
608 | virtual ~UntypedValofExpr(); |
---|
609 | |
---|
610 | Expression * get_value(); |
---|
611 | Statement * get_body() const { return body; } |
---|
612 | |
---|
613 | virtual UntypedValofExpr * clone() const { return new UntypedValofExpr( * this ); } |
---|
614 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
615 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
616 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
617 | private: |
---|
618 | Statement * body; |
---|
619 | }; |
---|
620 | |
---|
621 | /// RangeExpr represents a range e.g. '3 ... 5' or '1~10' |
---|
622 | class RangeExpr : public Expression { |
---|
623 | public: |
---|
624 | RangeExpr( Expression * low, Expression * high ); |
---|
625 | RangeExpr( const RangeExpr & other ); |
---|
626 | |
---|
627 | Expression * get_low() const { return low; } |
---|
628 | Expression * get_high() const { return high; } |
---|
629 | RangeExpr * set_low( Expression * low ) { RangeExpr::low = low; return this; } |
---|
630 | RangeExpr * set_high( Expression * high ) { RangeExpr::high = high; return this; } |
---|
631 | |
---|
632 | virtual RangeExpr * clone() const { return new RangeExpr( * this ); } |
---|
633 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
634 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
635 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
636 | private: |
---|
637 | Expression * low, * high; |
---|
638 | }; |
---|
639 | |
---|
640 | /// UntypedTupleExpr represents a tuple expression ( [a, b, c] ) before resolution |
---|
641 | class UntypedTupleExpr : public Expression { |
---|
642 | public: |
---|
643 | UntypedTupleExpr( const std::list< Expression * > & exprs, Expression *_aname = nullptr ); |
---|
644 | UntypedTupleExpr( const UntypedTupleExpr & other ); |
---|
645 | virtual ~UntypedTupleExpr(); |
---|
646 | |
---|
647 | std::list<Expression*>& get_exprs() { return exprs; } |
---|
648 | |
---|
649 | virtual UntypedTupleExpr * clone() const { return new UntypedTupleExpr( * this ); } |
---|
650 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
651 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
652 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
653 | private: |
---|
654 | std::list<Expression*> exprs; |
---|
655 | }; |
---|
656 | |
---|
657 | /// TupleExpr represents a tuple expression ( [a, b, c] ) |
---|
658 | class TupleExpr : public Expression { |
---|
659 | public: |
---|
660 | TupleExpr( const std::list< Expression * > & exprs, Expression *_aname = nullptr ); |
---|
661 | TupleExpr( const TupleExpr & other ); |
---|
662 | virtual ~TupleExpr(); |
---|
663 | |
---|
664 | std::list<Expression*>& get_exprs() { return exprs; } |
---|
665 | |
---|
666 | virtual TupleExpr * clone() const { return new TupleExpr( * this ); } |
---|
667 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
668 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
669 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
670 | private: |
---|
671 | std::list<Expression*> exprs; |
---|
672 | }; |
---|
673 | |
---|
674 | /// TupleIndexExpr represents an element selection operation on a tuple value, e.g. t.3 after processing by the expression analyzer |
---|
675 | class TupleIndexExpr : public Expression { |
---|
676 | public: |
---|
677 | TupleIndexExpr( Expression * tuple, unsigned int index ); |
---|
678 | TupleIndexExpr( const TupleIndexExpr & other ); |
---|
679 | virtual ~TupleIndexExpr(); |
---|
680 | |
---|
681 | Expression * get_tuple() const { return tuple; } |
---|
682 | int get_index() const { return index; } |
---|
683 | TupleIndexExpr * set_tuple( Expression * newValue ) { tuple = newValue; return this; } |
---|
684 | TupleIndexExpr * set_index( unsigned int newValue ) { index = newValue; return this; } |
---|
685 | |
---|
686 | virtual TupleIndexExpr * clone() const { return new TupleIndexExpr( * this ); } |
---|
687 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
688 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
689 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
690 | private: |
---|
691 | Expression * tuple; |
---|
692 | unsigned int index; |
---|
693 | }; |
---|
694 | |
---|
695 | /// MemberTupleExpr represents a tuple member selection operation on a struct type, e.g. s.[a, b, c] after processing by the expression analyzer |
---|
696 | class MemberTupleExpr : public Expression { |
---|
697 | public: |
---|
698 | MemberTupleExpr( Expression * member, Expression * aggregate, Expression * _aname = nullptr ); |
---|
699 | MemberTupleExpr( const MemberTupleExpr & other ); |
---|
700 | virtual ~MemberTupleExpr(); |
---|
701 | |
---|
702 | Expression * get_member() const { return member; } |
---|
703 | Expression * get_aggregate() const { return aggregate; } |
---|
704 | MemberTupleExpr * set_member( Expression * newValue ) { member = newValue; return this; } |
---|
705 | MemberTupleExpr * set_aggregate( Expression * newValue ) { aggregate = newValue; return this; } |
---|
706 | |
---|
707 | virtual MemberTupleExpr * clone() const { return new MemberTupleExpr( * this ); } |
---|
708 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
709 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
710 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
711 | private: |
---|
712 | Expression * member; |
---|
713 | Expression * aggregate; |
---|
714 | }; |
---|
715 | |
---|
716 | /// TupleAssignExpr represents a multiple assignment operation, where both sides of the assignment have tuple type, e.g. [a, b, c] = [d, e, f];, a mass assignment operation, where the left hand side has tuple type and the right hand side does not, e.g. [a, b, c] = 5.0;, or a tuple ctor/dtor expression |
---|
717 | class TupleAssignExpr : public Expression { |
---|
718 | public: |
---|
719 | TupleAssignExpr( const std::list< Expression * > & assigns, const std::list< ObjectDecl * > & tempDecls, Expression * _aname = nullptr ); |
---|
720 | TupleAssignExpr( const TupleAssignExpr & other ); |
---|
721 | virtual ~TupleAssignExpr(); |
---|
722 | |
---|
723 | TupleAssignExpr * set_stmtExpr( StmtExpr * newValue ) { stmtExpr = newValue; return this; } |
---|
724 | StmtExpr * get_stmtExpr() const { return stmtExpr; } |
---|
725 | |
---|
726 | virtual TupleAssignExpr * clone() const { return new TupleAssignExpr( * this ); } |
---|
727 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
728 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
729 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
730 | private: |
---|
731 | StmtExpr * stmtExpr = nullptr; |
---|
732 | }; |
---|
733 | |
---|
734 | /// StmtExpr represents a GCC 'statement expression', e.g. ({ int x = 5; x; }) |
---|
735 | class StmtExpr : public Expression { |
---|
736 | public: |
---|
737 | StmtExpr( CompoundStmt * statements ); |
---|
738 | StmtExpr( const StmtExpr & other ); |
---|
739 | virtual ~StmtExpr(); |
---|
740 | |
---|
741 | CompoundStmt * get_statements() const { return statements; } |
---|
742 | StmtExpr * set_statements( CompoundStmt * newValue ) { statements = newValue; return this; } |
---|
743 | |
---|
744 | std::list< ObjectDecl * > & get_returnDecls() { return returnDecls; } |
---|
745 | std::list< Expression * > & get_dtors() { return dtors; } |
---|
746 | |
---|
747 | virtual StmtExpr * clone() const { return new StmtExpr( * this ); } |
---|
748 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
749 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
750 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
751 | private: |
---|
752 | CompoundStmt * statements; |
---|
753 | std::list< ObjectDecl * > returnDecls; // return variable(s) for stmt expression |
---|
754 | std::list< Expression * > dtors; // destructor(s) for return variable(s) |
---|
755 | }; |
---|
756 | |
---|
757 | class UniqueExpr : public Expression { |
---|
758 | public: |
---|
759 | UniqueExpr( Expression * expr, long long idVal = -1 ); |
---|
760 | UniqueExpr( const UniqueExpr & other ); |
---|
761 | ~UniqueExpr(); |
---|
762 | |
---|
763 | Expression * get_expr() const { return expr; } |
---|
764 | UniqueExpr * set_expr( Expression * newValue ) { expr = newValue; return this; } |
---|
765 | |
---|
766 | ObjectDecl * get_object() const { return object; } |
---|
767 | UniqueExpr * set_object( ObjectDecl * newValue ) { object = newValue; return this; } |
---|
768 | |
---|
769 | VariableExpr * get_var() const { return var; } |
---|
770 | UniqueExpr * set_var( VariableExpr * newValue ) { var = newValue; return this; } |
---|
771 | |
---|
772 | int get_id() const { return id; } |
---|
773 | |
---|
774 | virtual UniqueExpr * clone() const { return new UniqueExpr( * this ); } |
---|
775 | virtual void accept( Visitor & v ) { v.visit( this ); } |
---|
776 | virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); } |
---|
777 | virtual void print( std::ostream & os, int indent = 0 ) const; |
---|
778 | private: |
---|
779 | Expression * expr; |
---|
780 | ObjectDecl * object; |
---|
781 | VariableExpr * var; |
---|
782 | int id; |
---|
783 | static long long count; |
---|
784 | }; |
---|
785 | |
---|
786 | std::ostream & operator<<( std::ostream & out, const Expression * expr ); |
---|
787 | |
---|
788 | #endif // EXPRESSION_H |
---|
789 | |
---|
790 | // Local Variables: // |
---|
791 | // tab-width: 4 // |
---|
792 | // mode: c++ // |
---|
793 | // compile-command: "make install" // |
---|
794 | // End: // |
---|