| [0dd3a2f] | 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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| [71f4e4f] | 7 | // Visitor.h --
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| [0dd3a2f] | 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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| [dba6db9] | 11 | // Last Modified By : Andrew Beach
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| [a5f0529] | 12 | // Last Modified On : Mon Jul 24 16:28:00 2017
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| 13 | // Update Count : 13
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| [0dd3a2f] | 14 | //
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| 15 |
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| [6b0b624] | 16 | #pragma once
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| [51b73452] | 17 |
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| [ea6332d] | 18 | #include "Common/SemanticError.h" // for SemanticError
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| 19 | #include "SynTree.h" // for AST nodes
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| [51b73452] | 20 |
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| [d9a0e76] | 21 | class Visitor {
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| 22 | protected:
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| [0dd3a2f] | 23 | Visitor();
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| 24 | virtual ~Visitor();
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| [d9a0e76] | 25 | public:
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| [dba6db9] | 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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| [0dd3a2f] | 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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| [4040425] | 34 | virtual void visit( TraitDecl *aggregateDecl );
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| [0dd3a2f] | 35 | virtual void visit( TypeDecl *typeDecl );
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| 36 | virtual void visit( TypedefDecl *typeDecl );
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| [e994912] | 37 | virtual void visit( AsmDecl *asmDecl );
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| [0dd3a2f] | 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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| [7f5566b] | 41 | virtual void visit( AsmStmt *asmStmt );
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| [0dd3a2f] | 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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| [daf1af8] | 49 | virtual void visit( ThrowStmt *throwStmt );
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| [0dd3a2f] | 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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| [f1b1e4c] | 55 | virtual void visit( ImplicitCtorDtorStmt *impCtorDtorStmt );
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| [0dd3a2f] | 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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| [a5f0529] | 61 | virtual void visit( VirtualCastExpr *castExpr );
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| [0dd3a2f] | 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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| [71f4e4f] | 67 | virtual void visit( ConstantExpr *constantExpr );
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| [0dd3a2f] | 68 | virtual void visit( SizeofExpr *sizeofExpr );
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| [47534159] | 69 | virtual void visit( AlignofExpr *alignofExpr );
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| [2a4b088] | 70 | virtual void visit( UntypedOffsetofExpr *offsetofExpr );
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| [25a054f] | 71 | virtual void visit( OffsetofExpr *offsetofExpr );
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| [afc1045] | 72 | virtual void visit( OffsetPackExpr *offsetPackExpr );
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| [0dd3a2f] | 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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| [7f5566b] | 78 | virtual void visit( AsmExpr *asmExpr );
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| [db4ecc5] | 79 | virtual void visit( ImplicitCopyCtorExpr *impCpCtorExpr );
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| [b6fe7e6] | 80 | virtual void visit( ConstructorExpr * ctorExpr );
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| [630a82a] | 81 | virtual void visit( CompoundLiteralExpr *compLitExpr );
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| [8688ce1] | 82 | virtual void visit( RangeExpr *rangeExpr );
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| [907eccb] | 83 | virtual void visit( UntypedTupleExpr *tupleExpr );
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| [6eb8948] | 84 | virtual void visit( TupleExpr *tupleExpr );
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| [3b58d91] | 85 | virtual void visit( TupleIndexExpr *tupleExpr );
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| [6eb8948] | 86 | virtual void visit( TupleAssignExpr *assignExpr );
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| 87 | virtual void visit( StmtExpr * stmtExpr );
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| [3c13c03] | 88 | virtual void visit( UniqueExpr * uniqueExpr );
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| [e4d829b] | 89 | virtual void visit( UntypedInitExpr * initExpr );
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| 90 | virtual void visit( InitExpr * initExpr );
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| [0dd3a2f] | 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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| [ce8c12f] | 96 | virtual void visit( ReferenceType *refType );
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| [0dd3a2f] | 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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| [4040425] | 101 | virtual void visit( TraitInstType *aggregateUseType );
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| [0dd3a2f] | 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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| [44b7088] | 106 | virtual void visit( VarArgsType *varArgsType );
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| [89e6ffc] | 107 | virtual void visit( ZeroType *zeroType );
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| 108 | virtual void visit( OneType *oneType );
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| [0dd3a2f] | 109 |
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| [e4d829b] | 110 | virtual void visit( Designation *designation );
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| [0dd3a2f] | 111 | virtual void visit( SingleInit *singleInit );
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| 112 | virtual void visit( ListInit *listInit );
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| [71f4e4f] | 113 | virtual void visit( ConstructorInit *ctorInit );
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| [0dd3a2f] | 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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| [d9a0e76] | 118 | private:
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| [1e1e15b] | 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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| [51b73452] | 122 | };
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| 123 |
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| 124 | template< typename TreeType, typename VisitorType >
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| [d9a0e76] | 125 | inline void maybeAccept( TreeType *tree, VisitorType &visitor ) {
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| [0dd3a2f] | 126 | if ( tree ) {
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| 127 | tree->accept( visitor );
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| 128 | }
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| [51b73452] | 129 | }
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| 130 |
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| 131 | template< typename Container, typename VisitorType >
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| [d9a0e76] | 132 | inline void acceptAll( Container &container, VisitorType &visitor ) {
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| [0dd3a2f] | 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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| [138e29e] | 140 | e.set_location( (*i)->location );
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| [0dd3a2f] | 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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| [51b73452] | 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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| [d9a0e76] | 150 | void acceptAllFold( Container &container, VisitorType &visitor, VisitorType &around ) {
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| [0dd3a2f] | 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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| [ce8c12f] | 167 | e.set_location( (*i)->location );
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| [0dd3a2f] | 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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| [51b73452] | 174 | }
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| 175 |
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| [0dd3a2f] | 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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