source: src/SynTree/Visitor.h@ 948b0c8

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 948b0c8 was a5f0529, checked in by Andrew Beach <ajbeach@…>, 8 years ago

Virtual casts have been added. They still require a lot of hand coded support to work but for simple cases it should be enough.
  • Property mode set to 100644
File size: 6.2 KB
RevLine 
[0dd3a2f]1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
[71f4e4f]7// Visitor.h --
[0dd3a2f]8//
9// Author : Richard C. Bilson
10// Created On : Mon May 18 07:44:20 2015
[a5f0529]11// Last Modified By : Andrew Beach
12// Last Modified On : Mon Jul 24 16:28:00 2017
13// Update Count : 13
[0dd3a2f]14//
15
[6b0b624]16#pragma once
[51b73452]17
18#include "SynTree.h"
[d3b7937]19#include "Common/SemanticError.h"
20#include "Common/CompilerError.h"
[51b73452]21
[d9a0e76]22class Visitor {
23 protected:
[0dd3a2f]24 Visitor();
25 virtual ~Visitor();
[d9a0e76]26 public:
[dba6db9]27 // visit: Default implementation of all functions visits the children
28 // of the given syntax node, but performs no other action.
29
[0dd3a2f]30 virtual void visit( ObjectDecl *objectDecl );
31 virtual void visit( FunctionDecl *functionDecl );
32 virtual void visit( StructDecl *aggregateDecl );
33 virtual void visit( UnionDecl *aggregateDecl );
34 virtual void visit( EnumDecl *aggregateDecl );
[4040425]35 virtual void visit( TraitDecl *aggregateDecl );
[0dd3a2f]36 virtual void visit( TypeDecl *typeDecl );
37 virtual void visit( TypedefDecl *typeDecl );
[e994912]38 virtual void visit( AsmDecl *asmDecl );
[0dd3a2f]39
40 virtual void visit( CompoundStmt *compoundStmt );
41 virtual void visit( ExprStmt *exprStmt );
[7f5566b]42 virtual void visit( AsmStmt *asmStmt );
[0dd3a2f]43 virtual void visit( IfStmt *ifStmt );
44 virtual void visit( WhileStmt *whileStmt );
45 virtual void visit( ForStmt *forStmt );
46 virtual void visit( SwitchStmt *switchStmt );
47 virtual void visit( CaseStmt *caseStmt );
48 virtual void visit( BranchStmt *branchStmt );
49 virtual void visit( ReturnStmt *returnStmt );
[daf1af8]50 virtual void visit( ThrowStmt *throwStmt );
[0dd3a2f]51 virtual void visit( TryStmt *tryStmt );
52 virtual void visit( CatchStmt *catchStmt );
53 virtual void visit( FinallyStmt *finallyStmt );
54 virtual void visit( NullStmt *nullStmt );
55 virtual void visit( DeclStmt *declStmt );
[f1b1e4c]56 virtual void visit( ImplicitCtorDtorStmt *impCtorDtorStmt );
[0dd3a2f]57
58 virtual void visit( ApplicationExpr *applicationExpr );
59 virtual void visit( UntypedExpr *untypedExpr );
60 virtual void visit( NameExpr *nameExpr );
61 virtual void visit( CastExpr *castExpr );
[a5f0529]62 virtual void visit( VirtualCastExpr *castExpr );
[0dd3a2f]63 virtual void visit( AddressExpr *addressExpr );
64 virtual void visit( LabelAddressExpr *labAddressExpr );
65 virtual void visit( UntypedMemberExpr *memberExpr );
66 virtual void visit( MemberExpr *memberExpr );
67 virtual void visit( VariableExpr *variableExpr );
[71f4e4f]68 virtual void visit( ConstantExpr *constantExpr );
[0dd3a2f]69 virtual void visit( SizeofExpr *sizeofExpr );
[47534159]70 virtual void visit( AlignofExpr *alignofExpr );
[2a4b088]71 virtual void visit( UntypedOffsetofExpr *offsetofExpr );
[25a054f]72 virtual void visit( OffsetofExpr *offsetofExpr );
[afc1045]73 virtual void visit( OffsetPackExpr *offsetPackExpr );
[0dd3a2f]74 virtual void visit( AttrExpr *attrExpr );
75 virtual void visit( LogicalExpr *logicalExpr );
76 virtual void visit( ConditionalExpr *conditionalExpr );
77 virtual void visit( CommaExpr *commaExpr );
78 virtual void visit( TypeExpr *typeExpr );
[7f5566b]79 virtual void visit( AsmExpr *asmExpr );
[db4ecc5]80 virtual void visit( ImplicitCopyCtorExpr *impCpCtorExpr );
[b6fe7e6]81 virtual void visit( ConstructorExpr * ctorExpr );
[630a82a]82 virtual void visit( CompoundLiteralExpr *compLitExpr );
[8688ce1]83 virtual void visit( RangeExpr *rangeExpr );
[907eccb]84 virtual void visit( UntypedTupleExpr *tupleExpr );
[6eb8948]85 virtual void visit( TupleExpr *tupleExpr );
[3b58d91]86 virtual void visit( TupleIndexExpr *tupleExpr );
[6eb8948]87 virtual void visit( TupleAssignExpr *assignExpr );
88 virtual void visit( StmtExpr * stmtExpr );
[3c13c03]89 virtual void visit( UniqueExpr * uniqueExpr );
[e4d829b]90 virtual void visit( UntypedInitExpr * initExpr );
91 virtual void visit( InitExpr * initExpr );
[0dd3a2f]92
93 virtual void visit( VoidType *basicType );
94 virtual void visit( BasicType *basicType );
95 virtual void visit( PointerType *pointerType );
96 virtual void visit( ArrayType *arrayType );
97 virtual void visit( FunctionType *functionType );
98 virtual void visit( StructInstType *aggregateUseType );
99 virtual void visit( UnionInstType *aggregateUseType );
100 virtual void visit( EnumInstType *aggregateUseType );
[4040425]101 virtual void visit( TraitInstType *aggregateUseType );
[0dd3a2f]102 virtual void visit( TypeInstType *aggregateUseType );
103 virtual void visit( TupleType *tupleType );
104 virtual void visit( TypeofType *typeofType );
105 virtual void visit( AttrType *attrType );
[44b7088]106 virtual void visit( VarArgsType *varArgsType );
[89e6ffc]107 virtual void visit( ZeroType *zeroType );
108 virtual void visit( OneType *oneType );
[0dd3a2f]109
[e4d829b]110 virtual void visit( Designation *designation );
[0dd3a2f]111 virtual void visit( SingleInit *singleInit );
112 virtual void visit( ListInit *listInit );
[71f4e4f]113 virtual void visit( ConstructorInit *ctorInit );
[0dd3a2f]114
115 virtual void visit( Subrange *subrange );
116
117 virtual void visit( Constant *constant );
[d9a0e76]118 private:
[1e1e15b]119 virtual void handleAggregateDecl( AggregateDecl *aggregateDecl );
120 virtual void handleNamedTypeDecl( NamedTypeDecl *typeDecl );
121 virtual void handleReferenceToType( ReferenceToType *aggregateUseType );
[51b73452]122};
123
124template< typename TreeType, typename VisitorType >
[d9a0e76]125inline void maybeAccept( TreeType *tree, VisitorType &visitor ) {
[0dd3a2f]126 if ( tree ) {
127 tree->accept( visitor );
128 }
[51b73452]129}
130
131template< typename Container, typename VisitorType >
[d9a0e76]132inline void acceptAll( Container &container, VisitorType &visitor ) {
[0dd3a2f]133 SemanticError errors;
134 for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) {
135 try {
136 if ( *i ) {
137 (*i)->accept( visitor );
138 }
139 } catch( SemanticError &e ) {
[138e29e]140 e.set_location( (*i)->location );
[0dd3a2f]141 errors.append( e );
142 }
143 }
144 if ( ! errors.isEmpty() ) {
145 throw errors;
[51b73452]146 }
147}
148
149template< typename Container, typename VisitorType >
[d9a0e76]150void acceptAllFold( Container &container, VisitorType &visitor, VisitorType &around ) {
[0dd3a2f]151 SemanticError errors;
152 for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) {
153 try {
154 if ( *i ) {
155 VisitorType *v = new VisitorType;
156 (*i)->accept( *v );
157
158 typename Container::iterator nxt = i; nxt++; // forward_iterator
159 if ( nxt == container.end() )
160 visitor += *v;
161 else
162 visitor += *v + around;
163
164 delete v;
165 } // if
166 } catch( SemanticError &e ) {
[e4d829b]167 e.set_location( (*i)->location );
[0dd3a2f]168 errors.append( e );
169 } // try
170 } // for
171 if ( ! errors.isEmpty() ) {
172 throw errors;
173 } // if
[51b73452]174}
175
[0dd3a2f]176// Local Variables: //
177// tab-width: 4 //
178// mode: c++ //
179// compile-command: "make install" //
180// End: //
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