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 | // Visitor.h -- |
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8 | // |
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9 | // Author : Richard C. Bilson |
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10 | // Created On : Mon May 18 07:44:20 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Thu Jul 25 22:21:49 2019 |
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13 | // Update Count : 14 |
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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 "Common/SemanticError.h" // for SemanticError |
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19 | #include "SynTree.h" // for AST nodes |
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20 | |
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21 | class Visitor { |
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22 | protected: |
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23 | Visitor() = default; |
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24 | virtual ~Visitor() = default; |
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25 | public: |
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26 | // visit: Default implementation of all functions visits the children |
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27 | // of the given syntax node, but performs no other action. |
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28 | |
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29 | virtual void visit( ObjectDecl * node ) { visit( const_cast<const ObjectDecl *>(node) ); } |
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30 | virtual void visit( const ObjectDecl * objectDecl ) = 0; |
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31 | virtual void visit( FunctionDecl * node ) { visit( const_cast<const FunctionDecl *>(node) ); } |
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32 | virtual void visit( const FunctionDecl * functionDecl ) = 0; |
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33 | virtual void visit( StructDecl * node ) { visit( const_cast<const StructDecl *>(node) ); } |
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34 | virtual void visit( const StructDecl * aggregateDecl ) = 0; |
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35 | virtual void visit( UnionDecl * node ) { visit( const_cast<const UnionDecl *>(node) ); } |
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36 | virtual void visit( const UnionDecl * aggregateDecl ) = 0; |
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37 | virtual void visit( EnumDecl * node ) { visit( const_cast<const EnumDecl *>(node) ); } |
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38 | virtual void visit( const EnumDecl * aggregateDecl ) = 0; |
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39 | virtual void visit( TraitDecl * node ) { visit( const_cast<const TraitDecl *>(node) ); } |
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40 | virtual void visit( const TraitDecl * aggregateDecl ) = 0; |
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41 | virtual void visit( TypeDecl * node ) { visit( const_cast<const TypeDecl *>(node) ); } |
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42 | virtual void visit( const TypeDecl * typeDecl ) = 0; |
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43 | virtual void visit( TypedefDecl * node ) { visit( const_cast<const TypedefDecl *>(node) ); } |
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44 | virtual void visit( const TypedefDecl * typeDecl ) = 0; |
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45 | virtual void visit( AsmDecl * node ) { visit( const_cast<const AsmDecl *>(node) ); } |
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46 | virtual void visit( const AsmDecl * asmDecl ) = 0; |
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47 | virtual void visit( StaticAssertDecl * node ) { visit( const_cast<const StaticAssertDecl *>(node) ); } |
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48 | virtual void visit( const StaticAssertDecl * assertDecl ) = 0; |
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49 | |
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50 | virtual void visit( CompoundStmt * node ) { visit( const_cast<const CompoundStmt *>(node) ); } |
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51 | virtual void visit( const CompoundStmt * compoundStmt ) = 0; |
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52 | virtual void visit( ExprStmt * node ) { visit( const_cast<const ExprStmt *>(node) ); } |
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53 | virtual void visit( const ExprStmt * exprStmt ) = 0; |
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54 | virtual void visit( AsmStmt * node ) { visit( const_cast<const AsmStmt *>(node) ); } |
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55 | virtual void visit( const AsmStmt * asmStmt ) = 0; |
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56 | virtual void visit( DirectiveStmt * node ) { visit( const_cast<const DirectiveStmt *>(node) ); } |
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57 | virtual void visit( const DirectiveStmt * directiveStmt ) = 0; |
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58 | virtual void visit( IfStmt * node ) { visit( const_cast<const IfStmt *>(node) ); } |
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59 | virtual void visit( const IfStmt * ifStmt ) = 0; |
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60 | virtual void visit( WhileStmt * node ) { visit( const_cast<const WhileStmt *>(node) ); } |
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61 | virtual void visit( const WhileStmt * whileStmt ) = 0; |
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62 | virtual void visit( ForStmt * node ) { visit( const_cast<const ForStmt *>(node) ); } |
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63 | virtual void visit( const ForStmt * forStmt ) = 0; |
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64 | virtual void visit( SwitchStmt * node ) { visit( const_cast<const SwitchStmt *>(node) ); } |
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65 | virtual void visit( const SwitchStmt * switchStmt ) = 0; |
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66 | virtual void visit( CaseStmt * node ) { visit( const_cast<const CaseStmt *>(node) ); } |
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67 | virtual void visit( const CaseStmt * caseStmt ) = 0; |
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68 | virtual void visit( BranchStmt * node ) { visit( const_cast<const BranchStmt *>(node) ); } |
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69 | virtual void visit( const BranchStmt * branchStmt ) = 0; |
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70 | virtual void visit( ReturnStmt * node ) { visit( const_cast<const ReturnStmt *>(node) ); } |
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71 | virtual void visit( const ReturnStmt * returnStmt ) = 0; |
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72 | virtual void visit( ThrowStmt * node ) { visit( const_cast<const ThrowStmt *>(node) ); } |
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73 | virtual void visit( const ThrowStmt * throwStmt ) = 0; |
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74 | virtual void visit( TryStmt * node ) { visit( const_cast<const TryStmt *>(node) ); } |
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75 | virtual void visit( const TryStmt * tryStmt ) = 0; |
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76 | virtual void visit( CatchStmt * node ) { visit( const_cast<const CatchStmt *>(node) ); } |
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77 | virtual void visit( const CatchStmt * catchStmt ) = 0; |
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78 | virtual void visit( FinallyStmt * node ) { visit( const_cast<const FinallyStmt *>(node) ); } |
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79 | virtual void visit( const FinallyStmt * finallyStmt ) = 0; |
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80 | virtual void visit( SuspendStmt * node ) { visit( const_cast<const SuspendStmt *>(node) ); } |
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81 | virtual void visit( const SuspendStmt * suspendStmt ) = 0; |
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82 | virtual void visit( WaitForStmt * node ) { visit( const_cast<const WaitForStmt *>(node) ); } |
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83 | virtual void visit( const WaitForStmt * waitforStmt ) = 0; |
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84 | virtual void visit( WithStmt * node ) { visit( const_cast<const WithStmt *>(node) ); } |
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85 | virtual void visit( const WithStmt * withStmt ) = 0; |
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86 | virtual void visit( NullStmt * node ) { visit( const_cast<const NullStmt *>(node) ); } |
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87 | virtual void visit( const NullStmt * nullStmt ) = 0; |
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88 | virtual void visit( DeclStmt * node ) { visit( const_cast<const DeclStmt *>(node) ); } |
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89 | virtual void visit( const DeclStmt * declStmt ) = 0; |
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90 | virtual void visit( ImplicitCtorDtorStmt * node ) { visit( const_cast<const ImplicitCtorDtorStmt *>(node) ); } |
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91 | virtual void visit( const ImplicitCtorDtorStmt * impCtorDtorStmt ) = 0; |
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92 | |
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93 | virtual void visit( ApplicationExpr * node ) { visit( const_cast<const ApplicationExpr *>(node) ); } |
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94 | virtual void visit( const ApplicationExpr * applicationExpr ) = 0; |
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95 | virtual void visit( UntypedExpr * node ) { visit( const_cast<const UntypedExpr *>(node) ); } |
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96 | virtual void visit( const UntypedExpr * untypedExpr ) = 0; |
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97 | virtual void visit( NameExpr * node ) { visit( const_cast<const NameExpr *>(node) ); } |
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98 | virtual void visit( const NameExpr * nameExpr ) = 0; |
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99 | virtual void visit( CastExpr * node ) { visit( const_cast<const CastExpr *>(node) ); } |
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100 | virtual void visit( const CastExpr * castExpr ) = 0; |
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101 | virtual void visit( KeywordCastExpr * node ) { visit( const_cast<const KeywordCastExpr *>(node) ); } |
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102 | virtual void visit( const KeywordCastExpr * castExpr ) = 0; |
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103 | virtual void visit( VirtualCastExpr * node ) { visit( const_cast<const VirtualCastExpr *>(node) ); } |
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104 | virtual void visit( const VirtualCastExpr * castExpr ) = 0; |
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105 | virtual void visit( AddressExpr * node ) { visit( const_cast<const AddressExpr *>(node) ); } |
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106 | virtual void visit( const AddressExpr * addressExpr ) = 0; |
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107 | virtual void visit( LabelAddressExpr * node ) { visit( const_cast<const LabelAddressExpr *>(node) ); } |
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108 | virtual void visit( const LabelAddressExpr * labAddressExpr ) = 0; |
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109 | virtual void visit( UntypedMemberExpr * node ) { visit( const_cast<const UntypedMemberExpr *>(node) ); } |
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110 | virtual void visit( const UntypedMemberExpr * memberExpr ) = 0; |
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111 | virtual void visit( MemberExpr * node ) { visit( const_cast<const MemberExpr *>(node) ); } |
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112 | virtual void visit( const MemberExpr * memberExpr ) = 0; |
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113 | virtual void visit( VariableExpr * node ) { visit( const_cast<const VariableExpr *>(node) ); } |
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114 | virtual void visit( const VariableExpr * variableExpr ) = 0; |
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115 | virtual void visit( ConstantExpr * node ) { visit( const_cast<const ConstantExpr *>(node) ); } |
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116 | virtual void visit( const ConstantExpr * constantExpr ) = 0; |
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117 | virtual void visit( SizeofExpr * node ) { visit( const_cast<const SizeofExpr *>(node) ); } |
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118 | virtual void visit( const SizeofExpr * sizeofExpr ) = 0; |
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119 | virtual void visit( AlignofExpr * node ) { visit( const_cast<const AlignofExpr *>(node) ); } |
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120 | virtual void visit( const AlignofExpr * alignofExpr ) = 0; |
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121 | virtual void visit( UntypedOffsetofExpr * node ) { visit( const_cast<const UntypedOffsetofExpr *>(node) ); } |
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122 | virtual void visit( const UntypedOffsetofExpr * offsetofExpr ) = 0; |
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123 | virtual void visit( OffsetofExpr * node ) { visit( const_cast<const OffsetofExpr *>(node) ); } |
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124 | virtual void visit( const OffsetofExpr * offsetofExpr ) = 0; |
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125 | virtual void visit( OffsetPackExpr * node ) { visit( const_cast<const OffsetPackExpr *>(node) ); } |
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126 | virtual void visit( const OffsetPackExpr * offsetPackExpr ) = 0; |
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127 | virtual void visit( LogicalExpr * node ) { visit( const_cast<const LogicalExpr *>(node) ); } |
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128 | virtual void visit( const LogicalExpr * logicalExpr ) = 0; |
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129 | virtual void visit( ConditionalExpr * node ) { visit( const_cast<const ConditionalExpr *>(node) ); } |
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130 | virtual void visit( const ConditionalExpr * conditionalExpr ) = 0; |
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131 | virtual void visit( CommaExpr * node ) { visit( const_cast<const CommaExpr *>(node) ); } |
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132 | virtual void visit( const CommaExpr * commaExpr ) = 0; |
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133 | virtual void visit( TypeExpr * node ) { visit( const_cast<const TypeExpr *>(node) ); } |
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134 | virtual void visit( const TypeExpr * typeExpr ) = 0; |
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135 | virtual void visit( AsmExpr * node ) { visit( const_cast<const AsmExpr *>(node) ); } |
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136 | virtual void visit( const AsmExpr * asmExpr ) = 0; |
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137 | virtual void visit( ImplicitCopyCtorExpr * node ) { visit( const_cast<const ImplicitCopyCtorExpr *>(node) ); } |
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138 | virtual void visit( const ImplicitCopyCtorExpr * impCpCtorExpr ) = 0; |
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139 | virtual void visit( ConstructorExpr * node ) { visit( const_cast<const ConstructorExpr *>(node) ); } |
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140 | virtual void visit( const ConstructorExpr * ctorExpr ) = 0; |
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141 | virtual void visit( CompoundLiteralExpr * node ) { visit( const_cast<const CompoundLiteralExpr *>(node) ); } |
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142 | virtual void visit( const CompoundLiteralExpr * compLitExpr ) = 0; |
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143 | virtual void visit( RangeExpr * node ) { visit( const_cast<const RangeExpr *>(node) ); } |
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144 | virtual void visit( const RangeExpr * rangeExpr ) = 0; |
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145 | virtual void visit( UntypedTupleExpr * node ) { visit( const_cast<const UntypedTupleExpr *>(node) ); } |
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146 | virtual void visit( const UntypedTupleExpr * tupleExpr ) = 0; |
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147 | virtual void visit( TupleExpr * node ) { visit( const_cast<const TupleExpr *>(node) ); } |
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148 | virtual void visit( const TupleExpr * tupleExpr ) = 0; |
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149 | virtual void visit( TupleIndexExpr * node ) { visit( const_cast<const TupleIndexExpr *>(node) ); } |
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150 | virtual void visit( const TupleIndexExpr * tupleExpr ) = 0; |
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151 | virtual void visit( TupleAssignExpr * node ) { visit( const_cast<const TupleAssignExpr *>(node) ); } |
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152 | virtual void visit( const TupleAssignExpr * assignExpr ) = 0; |
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153 | virtual void visit( StmtExpr * node ) { visit( const_cast<const StmtExpr *>(node) ); } |
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154 | virtual void visit( const StmtExpr * stmtExpr ) = 0; |
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155 | virtual void visit( UniqueExpr * node ) { visit( const_cast<const UniqueExpr *>(node) ); } |
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156 | virtual void visit( const UniqueExpr * uniqueExpr ) = 0; |
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157 | virtual void visit( UntypedInitExpr * node ) { visit( const_cast<const UntypedInitExpr *>(node) ); } |
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158 | virtual void visit( const UntypedInitExpr * initExpr ) = 0; |
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159 | virtual void visit( InitExpr * node ) { visit( const_cast<const InitExpr *>(node) ); } |
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160 | virtual void visit( const InitExpr * initExpr ) = 0; |
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161 | virtual void visit( DeletedExpr * node ) { visit( const_cast<const DeletedExpr *>(node) ); } |
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162 | virtual void visit( const DeletedExpr * delExpr ) = 0; |
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163 | virtual void visit( DefaultArgExpr * node ) { visit( const_cast<const DefaultArgExpr *>(node) ); } |
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164 | virtual void visit( const DefaultArgExpr * argExpr ) = 0; |
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165 | virtual void visit( GenericExpr * node ) { visit( const_cast<const GenericExpr *>(node) ); } |
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166 | virtual void visit( const GenericExpr * genExpr ) = 0; |
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167 | |
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168 | virtual void visit( VoidType * node ) { visit( const_cast<const VoidType *>(node) ); } |
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169 | virtual void visit( const VoidType * basicType ) = 0; |
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170 | virtual void visit( BasicType * node ) { visit( const_cast<const BasicType *>(node) ); } |
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171 | virtual void visit( const BasicType * basicType ) = 0; |
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172 | virtual void visit( PointerType * node ) { visit( const_cast<const PointerType *>(node) ); } |
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173 | virtual void visit( const PointerType * pointerType ) = 0; |
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174 | virtual void visit( ArrayType * node ) { visit( const_cast<const ArrayType *>(node) ); } |
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175 | virtual void visit( const ArrayType * arrayType ) = 0; |
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176 | virtual void visit( ReferenceType * node ) { visit( const_cast<const ReferenceType *>(node) ); } |
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177 | virtual void visit( const ReferenceType * refType ) = 0; |
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178 | virtual void visit( QualifiedType * node ) { visit( const_cast<const QualifiedType *>(node) ); } |
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179 | virtual void visit( const QualifiedType * qualType ) = 0; |
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180 | virtual void visit( FunctionType * node ) { visit( const_cast<const FunctionType *>(node) ); } |
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181 | virtual void visit( const FunctionType * functionType ) = 0; |
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182 | virtual void visit( StructInstType * node ) { visit( const_cast<const StructInstType *>(node) ); } |
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183 | virtual void visit( const StructInstType * aggregateUseType ) = 0; |
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184 | virtual void visit( UnionInstType * node ) { visit( const_cast<const UnionInstType *>(node) ); } |
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185 | virtual void visit( const UnionInstType * aggregateUseType ) = 0; |
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186 | virtual void visit( EnumInstType * node ) { visit( const_cast<const EnumInstType *>(node) ); } |
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187 | virtual void visit( const EnumInstType * aggregateUseType ) = 0; |
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188 | virtual void visit( TraitInstType * node ) { visit( const_cast<const TraitInstType *>(node) ); } |
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189 | virtual void visit( const TraitInstType * aggregateUseType ) = 0; |
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190 | virtual void visit( TypeInstType * node ) { visit( const_cast<const TypeInstType *>(node) ); } |
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191 | virtual void visit( const TypeInstType * aggregateUseType ) = 0; |
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192 | virtual void visit( TupleType * node ) { visit( const_cast<const TupleType *>(node) ); } |
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193 | virtual void visit( const TupleType * tupleType ) = 0; |
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194 | virtual void visit( TypeofType * node ) { visit( const_cast<const TypeofType *>(node) ); } |
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195 | virtual void visit( const TypeofType * typeofType ) = 0; |
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196 | virtual void visit( AttrType * node ) { visit( const_cast<const AttrType *>(node) ); } |
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197 | virtual void visit( const AttrType * attrType ) = 0; |
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198 | virtual void visit( VarArgsType * node ) { visit( const_cast<const VarArgsType *>(node) ); } |
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199 | virtual void visit( const VarArgsType * varArgsType ) = 0; |
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200 | virtual void visit( ZeroType * node ) { visit( const_cast<const ZeroType *>(node) ); } |
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201 | virtual void visit( const ZeroType * zeroType ) = 0; |
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202 | virtual void visit( OneType * node ) { visit( const_cast<const OneType *>(node) ); } |
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203 | virtual void visit( const OneType * oneType ) = 0; |
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204 | virtual void visit( GlobalScopeType * node ) { visit( const_cast<const GlobalScopeType *>(node) ); } |
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205 | virtual void visit( const GlobalScopeType * globalType ) = 0; |
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206 | |
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207 | virtual void visit( Designation * node ) { visit( const_cast<const Designation *>(node) ); } |
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208 | virtual void visit( const Designation * designation ) = 0; |
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209 | virtual void visit( SingleInit * node ) { visit( const_cast<const SingleInit *>(node) ); } |
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210 | virtual void visit( const SingleInit * singleInit ) = 0; |
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211 | virtual void visit( ListInit * node ) { visit( const_cast<const ListInit *>(node) ); } |
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212 | virtual void visit( const ListInit * listInit ) = 0; |
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213 | virtual void visit( ConstructorInit * node ) { visit( const_cast<const ConstructorInit *>(node) ); } |
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214 | virtual void visit( const ConstructorInit * ctorInit ) = 0; |
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215 | |
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216 | virtual void visit( Constant * node ) { visit( const_cast<const Constant *>(node) ); } |
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217 | virtual void visit( const Constant * constant ) = 0; |
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218 | |
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219 | virtual void visit( Attribute * node ) { visit( const_cast<const Attribute *>(node) ); } |
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220 | virtual void visit( const Attribute * attribute ) = 0; |
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221 | }; |
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222 | |
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223 | template< typename TreeType, typename VisitorType > |
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224 | inline void maybeAccept( TreeType * tree, VisitorType & visitor ) { |
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225 | if ( tree ) { |
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226 | tree->accept( visitor ); |
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227 | } |
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228 | } |
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229 | |
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230 | template< typename TreeType, typename VisitorType > |
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231 | inline void maybeAccept( const TreeType * tree, VisitorType & visitor ) { |
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232 | if ( tree ) { |
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233 | tree->accept( visitor ); |
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234 | } |
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235 | } |
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236 | |
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237 | template< typename Container, typename VisitorType > |
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238 | inline void acceptAll( Container & container, VisitorType & visitor ) { |
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239 | SemanticErrorException errors; |
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240 | for ( auto * i : container ) { |
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241 | try { |
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242 | if ( i ) { |
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243 | i->accept( visitor ); |
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244 | } |
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245 | } catch( SemanticErrorException & e ) { |
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246 | errors.append( e ); |
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247 | } |
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248 | } |
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249 | if ( ! errors.isEmpty() ) { |
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250 | throw errors; |
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251 | } |
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252 | } |
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253 | |
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254 | template< typename Container, typename VisitorType > |
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255 | inline void acceptAll( const Container & container, VisitorType & visitor ) { |
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256 | SemanticErrorException errors; |
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257 | for ( const auto * i : container ) { |
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258 | try { |
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259 | if ( i ) { |
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260 | i->accept( visitor ); |
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261 | } |
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262 | } catch( SemanticErrorException &e ) { |
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263 | errors.append( e ); |
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264 | } |
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265 | } |
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266 | if ( ! errors.isEmpty() ) { |
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267 | throw errors; |
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268 | } |
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269 | } |
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270 | |
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271 | // Local Variables: // |
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272 | // tab-width: 4 // |
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273 | // mode: c++ // |
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274 | // compile-command: "make install" // |
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275 | // End: // |
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