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 : Andrew Beach |
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12 | // Last Modified On : Mon Jul 24 16:28:00 2017 |
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13 | // Update Count : 13 |
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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(); |
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24 | virtual ~Visitor(); |
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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 *objectDecl ); |
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30 | virtual void visit( FunctionDecl *functionDecl ); |
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31 | virtual void visit( StructDecl *aggregateDecl ); |
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32 | virtual void visit( UnionDecl *aggregateDecl ); |
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33 | virtual void visit( EnumDecl *aggregateDecl ); |
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34 | virtual void visit( TraitDecl *aggregateDecl ); |
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35 | virtual void visit( TypeDecl *typeDecl ); |
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36 | virtual void visit( TypedefDecl *typeDecl ); |
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37 | virtual void visit( AsmDecl *asmDecl ); |
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38 | |
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39 | virtual void visit( CompoundStmt *compoundStmt ); |
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40 | virtual void visit( ExprStmt *exprStmt ); |
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41 | virtual void visit( AsmStmt *asmStmt ); |
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42 | virtual void visit( IfStmt *ifStmt ); |
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43 | virtual void visit( WhileStmt *whileStmt ); |
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44 | virtual void visit( ForStmt *forStmt ); |
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45 | virtual void visit( SwitchStmt *switchStmt ); |
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46 | virtual void visit( CaseStmt *caseStmt ); |
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47 | virtual void visit( BranchStmt *branchStmt ); |
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48 | virtual void visit( ReturnStmt *returnStmt ); |
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49 | virtual void visit( ThrowStmt *throwStmt ); |
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50 | virtual void visit( TryStmt *tryStmt ); |
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51 | virtual void visit( CatchStmt *catchStmt ); |
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52 | virtual void visit( FinallyStmt *finallyStmt ); |
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53 | virtual void visit( NullStmt *nullStmt ); |
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54 | virtual void visit( DeclStmt *declStmt ); |
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55 | virtual void visit( ImplicitCtorDtorStmt *impCtorDtorStmt ); |
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56 | |
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57 | virtual void visit( ApplicationExpr *applicationExpr ); |
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58 | virtual void visit( UntypedExpr *untypedExpr ); |
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59 | virtual void visit( NameExpr *nameExpr ); |
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60 | virtual void visit( CastExpr *castExpr ); |
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61 | virtual void visit( VirtualCastExpr *castExpr ); |
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62 | virtual void visit( AddressExpr *addressExpr ); |
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63 | virtual void visit( LabelAddressExpr *labAddressExpr ); |
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64 | virtual void visit( UntypedMemberExpr *memberExpr ); |
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65 | virtual void visit( MemberExpr *memberExpr ); |
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66 | virtual void visit( VariableExpr *variableExpr ); |
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67 | virtual void visit( ConstantExpr *constantExpr ); |
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68 | virtual void visit( SizeofExpr *sizeofExpr ); |
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69 | virtual void visit( AlignofExpr *alignofExpr ); |
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70 | virtual void visit( UntypedOffsetofExpr *offsetofExpr ); |
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71 | virtual void visit( OffsetofExpr *offsetofExpr ); |
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72 | virtual void visit( OffsetPackExpr *offsetPackExpr ); |
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73 | virtual void visit( AttrExpr *attrExpr ); |
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74 | virtual void visit( LogicalExpr *logicalExpr ); |
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75 | virtual void visit( ConditionalExpr *conditionalExpr ); |
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76 | virtual void visit( CommaExpr *commaExpr ); |
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77 | virtual void visit( TypeExpr *typeExpr ); |
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78 | virtual void visit( AsmExpr *asmExpr ); |
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79 | virtual void visit( ImplicitCopyCtorExpr *impCpCtorExpr ); |
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80 | virtual void visit( ConstructorExpr * ctorExpr ); |
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81 | virtual void visit( CompoundLiteralExpr *compLitExpr ); |
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82 | virtual void visit( RangeExpr *rangeExpr ); |
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83 | virtual void visit( UntypedTupleExpr *tupleExpr ); |
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84 | virtual void visit( TupleExpr *tupleExpr ); |
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85 | virtual void visit( TupleIndexExpr *tupleExpr ); |
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86 | virtual void visit( TupleAssignExpr *assignExpr ); |
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87 | virtual void visit( StmtExpr * stmtExpr ); |
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88 | virtual void visit( UniqueExpr * uniqueExpr ); |
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89 | virtual void visit( UntypedInitExpr * initExpr ); |
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90 | virtual void visit( InitExpr * initExpr ); |
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91 | |
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92 | virtual void visit( VoidType *basicType ); |
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93 | virtual void visit( BasicType *basicType ); |
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94 | virtual void visit( PointerType *pointerType ); |
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95 | virtual void visit( ArrayType *arrayType ); |
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96 | virtual void visit( ReferenceType *refType ); |
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97 | virtual void visit( FunctionType *functionType ); |
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98 | virtual void visit( StructInstType *aggregateUseType ); |
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99 | virtual void visit( UnionInstType *aggregateUseType ); |
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100 | virtual void visit( EnumInstType *aggregateUseType ); |
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101 | virtual void visit( TraitInstType *aggregateUseType ); |
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102 | virtual void visit( TypeInstType *aggregateUseType ); |
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103 | virtual void visit( TupleType *tupleType ); |
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104 | virtual void visit( TypeofType *typeofType ); |
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105 | virtual void visit( AttrType *attrType ); |
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106 | virtual void visit( VarArgsType *varArgsType ); |
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107 | virtual void visit( ZeroType *zeroType ); |
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108 | virtual void visit( OneType *oneType ); |
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109 | |
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110 | virtual void visit( Designation *designation ); |
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111 | virtual void visit( SingleInit *singleInit ); |
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112 | virtual void visit( ListInit *listInit ); |
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113 | virtual void visit( ConstructorInit *ctorInit ); |
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114 | |
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115 | virtual void visit( Subrange *subrange ); |
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116 | |
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117 | virtual void visit( Constant *constant ); |
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118 | private: |
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119 | virtual void handleAggregateDecl( AggregateDecl *aggregateDecl ); |
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120 | virtual void handleNamedTypeDecl( NamedTypeDecl *typeDecl ); |
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121 | virtual void handleReferenceToType( ReferenceToType *aggregateUseType ); |
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122 | }; |
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123 | |
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124 | template< typename TreeType, typename VisitorType > |
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125 | inline void maybeAccept( TreeType *tree, VisitorType &visitor ) { |
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126 | if ( tree ) { |
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127 | tree->accept( visitor ); |
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128 | } |
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129 | } |
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130 | |
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131 | template< typename Container, typename VisitorType > |
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132 | inline void acceptAll( Container &container, VisitorType &visitor ) { |
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133 | SemanticError errors; |
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134 | for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) { |
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135 | try { |
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136 | if ( *i ) { |
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137 | (*i)->accept( visitor ); |
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138 | } |
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139 | } catch( SemanticError &e ) { |
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140 | e.set_location( (*i)->location ); |
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141 | errors.append( e ); |
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142 | } |
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143 | } |
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144 | if ( ! errors.isEmpty() ) { |
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145 | throw errors; |
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146 | } |
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147 | } |
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148 | |
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149 | template< typename Container, typename VisitorType > |
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150 | void acceptAllFold( Container &container, VisitorType &visitor, VisitorType &around ) { |
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151 | SemanticError errors; |
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152 | for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) { |
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153 | try { |
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154 | if ( *i ) { |
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155 | VisitorType *v = new VisitorType; |
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156 | (*i)->accept( *v ); |
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157 | |
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158 | typename Container::iterator nxt = i; nxt++; // forward_iterator |
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159 | if ( nxt == container.end() ) |
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160 | visitor += *v; |
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161 | else |
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162 | visitor += *v + around; |
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163 | |
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164 | delete v; |
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165 | } // if |
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166 | } catch( SemanticError &e ) { |
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167 | e.set_location( (*i)->location ); |
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168 | errors.append( e ); |
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169 | } // try |
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170 | } // for |
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171 | if ( ! errors.isEmpty() ) { |
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172 | throw errors; |
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173 | } // if |
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174 | } |
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175 | |
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176 | // Local Variables: // |
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177 | // tab-width: 4 // |
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178 | // mode: c++ // |
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179 | // compile-command: "make install" // |
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180 | // End: // |
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