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 | // Declaration.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 : Henry Xue |
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12 | // Last Modified On : Tue Jul 20 04:10:50 2021 |
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13 | // Update Count : 160 |
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14 | // |
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15 | |
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16 | #pragma once |
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17 | |
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18 | #include <cassert> // for assertf |
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19 | #include <iosfwd> // for ostream |
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20 | #include <list> // for list |
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21 | #include <unordered_map> // for unordered_map |
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22 | #include <string> // for string, operator+, allocator, to_string |
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23 | |
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24 | #include "BaseSyntaxNode.h" // for BaseSyntaxNode |
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25 | #include "Mutator.h" // for Mutator |
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26 | #include "LinkageSpec.h" // for Spec, Cforall |
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27 | #include "SynTree.h" // for UniqueId |
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28 | #include "SynTree/Type.h" // for Type, Type::StorageClasses, Type::Fu... |
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29 | #include "Visitor.h" // for Visitor |
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30 | |
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31 | class AsmStmt; |
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32 | class Attribute; |
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33 | class CompoundStmt; |
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34 | class ConstantExpr; |
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35 | class Expression; |
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36 | class Initializer; |
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37 | class TypeDecl; |
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38 | |
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39 | class Declaration : public BaseSyntaxNode { |
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40 | public: |
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41 | std::string name; |
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42 | LinkageSpec::Spec linkage; |
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43 | bool extension = false; |
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44 | |
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45 | Declaration( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage ); |
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46 | Declaration( const Declaration & other ); |
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47 | virtual ~Declaration(); |
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48 | |
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49 | const std::string & get_name() const { return name; } |
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50 | void set_name( std::string newValue ) { name = newValue; } |
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51 | |
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52 | Type::StorageClasses get_storageClasses() const { return storageClasses; } |
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53 | |
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54 | LinkageSpec::Spec get_linkage() const { return linkage; } |
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55 | void set_linkage( LinkageSpec::Spec newValue ) { linkage = newValue; } |
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56 | |
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57 | UniqueId get_uniqueId() const { return uniqueId; } |
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58 | |
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59 | bool get_extension() const { return extension; } |
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60 | Declaration * set_extension( bool exten ) { extension = exten; return this; } |
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61 | |
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62 | void fixUniqueId( void ); |
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63 | virtual Declaration * clone() const override = 0; |
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64 | virtual void accept( Visitor & v ) override = 0; |
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65 | virtual void accept( Visitor & v ) const override = 0; |
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66 | virtual Declaration * acceptMutator( Mutator & m ) override = 0; |
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67 | virtual void print( std::ostream & os, Indenter indent = {} ) const override = 0; |
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68 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const = 0; |
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69 | |
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70 | UniqueId uniqueId; |
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71 | Type::StorageClasses storageClasses; |
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72 | private: |
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73 | }; |
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74 | |
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75 | class DeclarationWithType : public Declaration { |
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76 | public: |
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77 | // this represents the type with all types and typedefs expanded it is generated by SymTab::Validate::Pass2 |
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78 | std::string mangleName; |
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79 | // need to remember the scope level at which the variable was declared, so that shadowed identifiers can be accessed |
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80 | int scopeLevel = 0; |
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81 | |
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82 | Expression * asmName; |
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83 | std::list< Attribute * > attributes; |
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84 | bool isDeleted = false; |
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85 | |
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86 | DeclarationWithType( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage, const std::list< Attribute * > & attributes, Type::FuncSpecifiers fs ); |
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87 | DeclarationWithType( const DeclarationWithType & other ); |
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88 | virtual ~DeclarationWithType(); |
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89 | |
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90 | std::string get_mangleName() const { return mangleName; } |
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91 | DeclarationWithType * set_mangleName( std::string newValue ) { mangleName = newValue; return this; } |
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92 | |
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93 | std::string get_scopedMangleName() const { return mangleName + "_" + std::to_string(scopeLevel); } |
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94 | |
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95 | int get_scopeLevel() const { return scopeLevel; } |
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96 | DeclarationWithType * set_scopeLevel( int newValue ) { scopeLevel = newValue; return this; } |
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97 | |
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98 | Expression * get_asmName() const { return asmName; } |
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99 | DeclarationWithType * set_asmName( Expression * newValue ) { asmName = newValue; return this; } |
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100 | |
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101 | std::list< Attribute * >& get_attributes() { return attributes; } |
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102 | const std::list< Attribute * >& get_attributes() const { return attributes; } |
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103 | |
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104 | Type::FuncSpecifiers get_funcSpec() const { return fs; } |
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105 | //void set_functionSpecifiers( Type::FuncSpecifiers newValue ) { fs = newValue; } |
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106 | |
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107 | virtual DeclarationWithType * clone() const override = 0; |
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108 | virtual DeclarationWithType * acceptMutator( Mutator & m ) override = 0; |
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109 | |
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110 | virtual Type * get_type() const = 0; |
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111 | virtual void set_type(Type *) = 0; |
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112 | |
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113 | private: |
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114 | Type::FuncSpecifiers fs; |
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115 | }; |
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116 | |
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117 | class ObjectDecl : public DeclarationWithType { |
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118 | typedef DeclarationWithType Parent; |
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119 | public: |
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120 | Type * type; |
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121 | Initializer * init; |
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122 | Expression * bitfieldWidth; |
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123 | |
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124 | ObjectDecl( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage, Expression * bitfieldWidth, Type * type, Initializer * init, |
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125 | const std::list< Attribute * > attributes = std::list< Attribute * >(), Type::FuncSpecifiers fs = Type::FuncSpecifiers() ); |
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126 | ObjectDecl( const ObjectDecl & other ); |
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127 | virtual ~ObjectDecl(); |
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128 | |
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129 | virtual Type * get_type() const override { return type; } |
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130 | virtual void set_type(Type * newType) override { type = newType; } |
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131 | |
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132 | Initializer * get_init() const { return init; } |
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133 | void set_init( Initializer * newValue ) { init = newValue; } |
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134 | |
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135 | Expression * get_bitfieldWidth() const { return bitfieldWidth; } |
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136 | void set_bitfieldWidth( Expression * newValue ) { bitfieldWidth = newValue; } |
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137 | |
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138 | static ObjectDecl * newObject( const std::string & name, Type * type, Initializer * init ); |
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139 | |
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140 | virtual ObjectDecl * clone() const override { return new ObjectDecl( *this ); } |
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141 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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142 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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143 | virtual DeclarationWithType * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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144 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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145 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override; |
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146 | |
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147 | // TODO: Move to the right place |
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148 | void checkAssignedValue() const; |
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149 | }; |
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150 | |
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151 | class FunctionDecl : public DeclarationWithType { |
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152 | typedef DeclarationWithType Parent; |
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153 | public: |
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154 | FunctionType * type; |
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155 | CompoundStmt * statements; |
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156 | std::list< Expression * > withExprs; |
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157 | |
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158 | FunctionDecl( const std::string & name, Type::StorageClasses scs, LinkageSpec::Spec linkage, FunctionType * type, CompoundStmt * statements, |
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159 | const std::list< Attribute * > attributes = std::list< Attribute * >(), Type::FuncSpecifiers fs = Type::FuncSpecifiers() ); |
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160 | FunctionDecl( const FunctionDecl & other ); |
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161 | virtual ~FunctionDecl(); |
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162 | |
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163 | virtual Type * get_type() const override { return type; } |
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164 | virtual void set_type(Type * t) override { type = strict_dynamic_cast< FunctionType* >( t ); } |
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165 | |
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166 | FunctionType * get_functionType() const { return type; } |
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167 | void set_functionType( FunctionType * newValue ) { type = newValue; } |
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168 | CompoundStmt * get_statements() const { return statements; } |
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169 | void set_statements( CompoundStmt * newValue ) { statements = newValue; } |
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170 | bool has_body() const { return NULL != statements; } |
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171 | |
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172 | static FunctionDecl * newFunction( const std::string & name, FunctionType * type, CompoundStmt * statements ); |
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173 | |
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174 | virtual FunctionDecl * clone() const override { return new FunctionDecl( *this ); } |
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175 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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176 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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177 | virtual DeclarationWithType * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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178 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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179 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override; |
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180 | }; |
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181 | |
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182 | class NamedTypeDecl : public Declaration { |
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183 | typedef Declaration Parent; |
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184 | public: |
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185 | Type * base; |
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186 | std::list< DeclarationWithType * > assertions; |
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187 | |
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188 | NamedTypeDecl( const std::string & name, Type::StorageClasses scs, Type * type ); |
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189 | NamedTypeDecl( const NamedTypeDecl & other ); |
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190 | virtual ~NamedTypeDecl(); |
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191 | |
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192 | Type * get_base() const { return base; } |
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193 | void set_base( Type * newValue ) { base = newValue; } |
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194 | std::list< DeclarationWithType * >& get_assertions() { return assertions; } |
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195 | |
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196 | virtual const char * typeString() const = 0; |
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197 | |
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198 | virtual NamedTypeDecl * clone() const override = 0; |
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199 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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200 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override; |
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201 | }; |
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202 | |
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203 | class TypeDecl : public NamedTypeDecl { |
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204 | typedef NamedTypeDecl Parent; |
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205 | public: |
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206 | enum Kind { Dtype, DStype, Otype, Ftype, Ttype, Dimension, NUMBER_OF_KINDS }; |
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207 | |
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208 | Kind kind; |
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209 | bool sized; |
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210 | Type * init; |
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211 | |
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212 | /// Data extracted from a type decl |
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213 | struct Data { |
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214 | Kind kind; |
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215 | bool isComplete; |
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216 | |
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217 | Data() : kind( NUMBER_OF_KINDS ), isComplete( false ) {} |
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218 | Data( const TypeDecl * typeDecl ) : Data( typeDecl->get_kind(), typeDecl->isComplete() ) {} |
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219 | Data( Kind kind, bool isComplete ) : kind( kind ), isComplete( isComplete ) {} |
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220 | Data( const Data & d1, const Data & d2 ) |
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221 | : kind( d1.kind ), isComplete( d1.isComplete || d2.isComplete ) {} |
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222 | |
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223 | bool operator==( const Data & other ) const { return kind == other.kind && isComplete == other.isComplete; } |
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224 | bool operator!=( const Data & other ) const { return !(*this == other);} |
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225 | }; |
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226 | |
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227 | TypeDecl( const std::string & name, Type::StorageClasses scs, Type * type, Kind kind, bool sized, Type * init = nullptr ); |
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228 | TypeDecl( const TypeDecl & other ); |
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229 | virtual ~TypeDecl(); |
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230 | |
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231 | Kind get_kind() const { return kind; } |
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232 | |
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233 | Type * get_init() const { return init; } |
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234 | TypeDecl * set_init( Type * newValue ) { init = newValue; return this; } |
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235 | |
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236 | bool isComplete() const { return sized; } |
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237 | bool get_sized() const { return sized; } |
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238 | TypeDecl * set_sized( bool newValue ) { sized = newValue; return this; } |
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239 | |
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240 | virtual const char * typeString() const override; |
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241 | virtual const char * genTypeString() const; |
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242 | |
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243 | virtual TypeDecl * clone() const override { return new TypeDecl( *this ); } |
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244 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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245 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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246 | virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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247 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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248 | }; |
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249 | |
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250 | class TypedefDecl : public NamedTypeDecl { |
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251 | typedef NamedTypeDecl Parent; |
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252 | public: |
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253 | TypedefDecl( const std::string & name, CodeLocation location, Type::StorageClasses scs, Type * type, LinkageSpec::Spec spec = LinkageSpec::Cforall ) |
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254 | : Parent( name, scs, type ) { set_linkage( spec ); this->location = location; } |
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255 | |
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256 | TypedefDecl( const TypedefDecl & other ) : Parent( other ) {} |
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257 | |
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258 | virtual const char * typeString() const override; |
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259 | |
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260 | virtual TypedefDecl * clone() const override { return new TypedefDecl( *this ); } |
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261 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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262 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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263 | virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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264 | private: |
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265 | }; |
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266 | |
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267 | class AggregateDecl : public Declaration { |
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268 | typedef Declaration Parent; |
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269 | public: |
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270 | enum Aggregate { Struct, Union, Enum, Exception, Trait, Generator, Coroutine, Monitor, Thread, NoAggregate }; |
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271 | static const char * aggrString( Aggregate aggr ); |
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272 | |
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273 | std::list<Declaration*> members; |
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274 | std::list<TypeDecl*> parameters; |
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275 | bool body; |
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276 | std::list< Attribute * > attributes; |
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277 | AggregateDecl * parent = nullptr; |
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278 | |
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279 | AggregateDecl( const std::string & name, const std::list< Attribute * > & attributes = std::list< class Attribute * >(), LinkageSpec::Spec linkage = LinkageSpec::Cforall ); |
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280 | AggregateDecl( const AggregateDecl & other ); |
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281 | virtual ~AggregateDecl(); |
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282 | |
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283 | std::list<Declaration*>& get_members() { return members; } |
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284 | std::list<TypeDecl*>& get_parameters() { return parameters; } |
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285 | |
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286 | std::list< Attribute * >& get_attributes() { return attributes; } |
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287 | const std::list< Attribute * >& get_attributes() const { return attributes; } |
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288 | |
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289 | bool has_body() const { return body; } |
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290 | AggregateDecl * set_body( bool body ) { AggregateDecl::body = body; return this; } |
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291 | |
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292 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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293 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override; |
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294 | protected: |
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295 | virtual const char * typeString() const = 0; |
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296 | }; |
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297 | |
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298 | class StructDecl : public AggregateDecl { |
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299 | typedef AggregateDecl Parent; |
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300 | public: |
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301 | StructDecl( const std::string & name, Aggregate kind = Struct, const std::list< Attribute * > & attributes = std::list< class Attribute * >(), LinkageSpec::Spec linkage = LinkageSpec::Cforall ) : Parent( name, attributes, linkage ), kind( kind ) {} |
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302 | StructDecl( const StructDecl & other ) : Parent( other ), kind( other.kind ) {} |
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303 | |
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304 | bool is_coroutine() { return kind == Coroutine; } |
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305 | bool is_exception() { return kind == Exception; } |
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306 | bool is_generator() { return kind == Generator; } |
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307 | bool is_monitor () { return kind == Monitor ; } |
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308 | bool is_thread () { return kind == Thread ; } |
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309 | |
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310 | // Make a type instance of this declaration. |
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311 | StructInstType * makeInst( std::list< Expression * > const & parameters ); |
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312 | StructInstType * makeInst( std::list< Expression * > && parameters ); |
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313 | |
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314 | virtual StructDecl * clone() const override { return new StructDecl( *this ); } |
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315 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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316 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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317 | virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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318 | Aggregate kind; |
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319 | private: |
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320 | virtual const char * typeString() const override; |
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321 | }; |
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322 | |
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323 | class UnionDecl : public AggregateDecl { |
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324 | typedef AggregateDecl Parent; |
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325 | public: |
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326 | UnionDecl( const std::string & name, const std::list< Attribute * > & attributes = std::list< class Attribute * >(), LinkageSpec::Spec linkage = LinkageSpec::Cforall ) : Parent( name, attributes, linkage ) {} |
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327 | UnionDecl( const UnionDecl & other ) : Parent( other ) {} |
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328 | |
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329 | virtual UnionDecl * clone() const override { return new UnionDecl( *this ); } |
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330 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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331 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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332 | virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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333 | private: |
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334 | virtual const char * typeString() const override; |
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335 | }; |
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336 | |
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337 | class EnumDecl : public AggregateDecl { |
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338 | typedef AggregateDecl Parent; |
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339 | public: |
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340 | EnumDecl( const std::string & name, |
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341 | const std::list< Attribute * > & attributes = std::list< class Attribute * >(), |
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342 | LinkageSpec::Spec linkage = LinkageSpec::Cforall, |
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343 | Type * baseType = nullptr ) : Parent( name, attributes, linkage ) , base( baseType ){} |
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344 | EnumDecl( const EnumDecl & other ) : Parent( other ), base( other.base ) {} |
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345 | |
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346 | bool valueOf( Declaration * enumerator, long long int & value ); |
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347 | |
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348 | virtual EnumDecl * clone() const override { return new EnumDecl( *this ); } |
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349 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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350 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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351 | virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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352 | Type * base; |
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353 | std::unordered_map< std::string, long long int > enumValues; |
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354 | virtual void print( std::ostream & os, Indenter indent = {} ) const override final; |
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355 | private: |
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356 | // std::unordered_map< std::string, long long int > enumValues; |
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357 | virtual const char * typeString() const override; |
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358 | }; |
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359 | |
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360 | class TraitDecl : public AggregateDecl { |
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361 | typedef AggregateDecl Parent; |
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362 | public: |
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363 | TraitDecl( const std::string & name, const std::list< Attribute * > & attributes, LinkageSpec::Spec linkage ) : Parent( name, attributes, linkage ) { |
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364 | assertf( attributes.empty(), "attribute unsupported for traits" ); |
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365 | } |
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366 | TraitDecl( const TraitDecl & other ) : Parent( other ) {} |
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367 | |
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368 | virtual TraitDecl * clone() const override { return new TraitDecl( *this ); } |
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369 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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370 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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371 | virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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372 | private: |
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373 | virtual const char * typeString() const override; |
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374 | }; |
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375 | |
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376 | class WithStmt : public Declaration { |
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377 | public: |
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378 | std::list< Expression * > exprs; |
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379 | Statement * stmt; |
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380 | |
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381 | WithStmt( const std::list< Expression * > & exprs, Statement * stmt ); |
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382 | WithStmt( const WithStmt & other ); |
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383 | virtual ~WithStmt(); |
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384 | |
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385 | virtual WithStmt * clone() const override { return new WithStmt( *this ); } |
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386 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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387 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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388 | virtual Declaration * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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389 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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390 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override { print(os, indent); } |
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391 | }; |
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392 | |
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393 | class AsmDecl : public Declaration { |
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394 | public: |
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395 | AsmStmt * stmt; |
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396 | |
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397 | AsmDecl( AsmStmt * stmt ); |
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398 | AsmDecl( const AsmDecl & other ); |
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399 | virtual ~AsmDecl(); |
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400 | |
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401 | AsmStmt * get_stmt() { return stmt; } |
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402 | void set_stmt( AsmStmt * newValue ) { stmt = newValue; } |
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403 | |
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404 | virtual AsmDecl * clone() const override { return new AsmDecl( *this ); } |
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405 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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406 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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407 | virtual AsmDecl * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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408 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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409 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override; |
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410 | }; |
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411 | |
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412 | class DirectiveDecl : public Declaration { |
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413 | public: |
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414 | DirectiveStmt * stmt; |
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415 | |
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416 | DirectiveDecl( DirectiveStmt * stmt ); |
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417 | DirectiveDecl( const DirectiveDecl & other ); |
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418 | virtual ~DirectiveDecl(); |
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419 | |
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420 | DirectiveStmt * get_stmt() { return stmt; } |
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421 | void set_stmt( DirectiveStmt * newValue ) { stmt = newValue; } |
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422 | |
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423 | virtual DirectiveDecl * clone() const override { return new DirectiveDecl( *this ); } |
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424 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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425 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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426 | virtual DirectiveDecl * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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427 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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428 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override; |
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429 | }; |
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430 | |
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431 | class StaticAssertDecl : public Declaration { |
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432 | public: |
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433 | Expression * condition; |
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434 | ConstantExpr * message; // string literal |
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435 | |
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436 | StaticAssertDecl( Expression * condition, ConstantExpr * message ); |
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437 | StaticAssertDecl( const StaticAssertDecl & other ); |
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438 | virtual ~StaticAssertDecl(); |
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439 | |
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440 | virtual StaticAssertDecl * clone() const override { return new StaticAssertDecl( *this ); } |
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441 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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442 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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443 | virtual StaticAssertDecl * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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444 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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445 | virtual void printShort( std::ostream & os, Indenter indent = {} ) const override; |
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446 | }; |
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447 | |
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448 | std::ostream & operator<<( std::ostream & os, const TypeDecl::Data & data ); |
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449 | |
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450 | // Local Variables: // |
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451 | // tab-width: 4 // |
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452 | // mode: c++ // |
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453 | // compile-command: "make install" // |
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454 | // End: // |
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