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 | // |
---|
7 | // Visitor.h -- |
---|
8 | // |
---|
9 | // Author : Richard C. Bilson |
---|
10 | // Created On : Mon May 18 07:44:20 2015 |
---|
11 | // Last Modified By : Peter A. Buhr |
---|
12 | // Last Modified On : Tue Feb 1 09:26:57 2022 |
---|
13 | // Update Count : 17 |
---|
14 | // |
---|
15 | |
---|
16 | #pragma once |
---|
17 | |
---|
18 | #include "Common/SemanticError.h" // for SemanticError |
---|
19 | #include "SynTree.h" // for AST nodes |
---|
20 | |
---|
21 | class Visitor { |
---|
22 | protected: |
---|
23 | Visitor() = default; |
---|
24 | virtual ~Visitor() = default; |
---|
25 | public: |
---|
26 | // visit: Default implementation of all functions visits the children |
---|
27 | // of the given syntax node, but performs no other action. |
---|
28 | |
---|
29 | virtual void visit( ObjectDecl * node ) { visit( const_cast<const ObjectDecl *>(node) ); } |
---|
30 | virtual void visit( const ObjectDecl * objectDecl ) = 0; |
---|
31 | virtual void visit( FunctionDecl * node ) { visit( const_cast<const FunctionDecl *>(node) ); } |
---|
32 | virtual void visit( const FunctionDecl * functionDecl ) = 0; |
---|
33 | virtual void visit( StructDecl * node ) { visit( const_cast<const StructDecl *>(node) ); } |
---|
34 | virtual void visit( const StructDecl * aggregateDecl ) = 0; |
---|
35 | virtual void visit( UnionDecl * node ) { visit( const_cast<const UnionDecl *>(node) ); } |
---|
36 | virtual void visit( const UnionDecl * aggregateDecl ) = 0; |
---|
37 | virtual void visit( EnumDecl * node ) { visit( const_cast<const EnumDecl *>(node) ); } |
---|
38 | virtual void visit( const EnumDecl * aggregateDecl ) = 0; |
---|
39 | virtual void visit( TraitDecl * node ) { visit( const_cast<const TraitDecl *>(node) ); } |
---|
40 | virtual void visit( const TraitDecl * aggregateDecl ) = 0; |
---|
41 | virtual void visit( TypeDecl * node ) { visit( const_cast<const TypeDecl *>(node) ); } |
---|
42 | virtual void visit( const TypeDecl * typeDecl ) = 0; |
---|
43 | virtual void visit( TypedefDecl * node ) { visit( const_cast<const TypedefDecl *>(node) ); } |
---|
44 | virtual void visit( const TypedefDecl * typeDecl ) = 0; |
---|
45 | virtual void visit( AsmDecl * node ) { visit( const_cast<const AsmDecl *>(node) ); } |
---|
46 | virtual void visit( const AsmDecl * asmDecl ) = 0; |
---|
47 | virtual void visit( DirectiveDecl * node ) { visit( const_cast<const DirectiveDecl *>(node) ); } |
---|
48 | virtual void visit( const DirectiveDecl * directiveDecl ) = 0; |
---|
49 | virtual void visit( StaticAssertDecl * node ) { visit( const_cast<const StaticAssertDecl *>(node) ); } |
---|
50 | virtual void visit( const StaticAssertDecl * assertDecl ) = 0; |
---|
51 | |
---|
52 | virtual void visit( CompoundStmt * node ) { visit( const_cast<const CompoundStmt *>(node) ); } |
---|
53 | virtual void visit( const CompoundStmt * compoundStmt ) = 0; |
---|
54 | virtual void visit( ExprStmt * node ) { visit( const_cast<const ExprStmt *>(node) ); } |
---|
55 | virtual void visit( const ExprStmt * exprStmt ) = 0; |
---|
56 | virtual void visit( AsmStmt * node ) { visit( const_cast<const AsmStmt *>(node) ); } |
---|
57 | virtual void visit( const AsmStmt * asmStmt ) = 0; |
---|
58 | virtual void visit( DirectiveStmt * node ) { visit( const_cast<const DirectiveStmt *>(node) ); } |
---|
59 | virtual void visit( const DirectiveStmt * directiveStmt ) = 0; |
---|
60 | virtual void visit( IfStmt * node ) { visit( const_cast<const IfStmt *>(node) ); } |
---|
61 | virtual void visit( const IfStmt * ifStmt ) = 0; |
---|
62 | virtual void visit( WhileDoStmt * node ) { visit( const_cast<const WhileDoStmt *>(node) ); } |
---|
63 | virtual void visit( const WhileDoStmt * whileDoStmt ) = 0; |
---|
64 | virtual void visit( ForStmt * node ) { visit( const_cast<const ForStmt *>(node) ); } |
---|
65 | virtual void visit( const ForStmt * forStmt ) = 0; |
---|
66 | virtual void visit( SwitchStmt * node ) { visit( const_cast<const SwitchStmt *>(node) ); } |
---|
67 | virtual void visit( const SwitchStmt * switchStmt ) = 0; |
---|
68 | virtual void visit( CaseStmt * node ) { visit( const_cast<const CaseStmt *>(node) ); } |
---|
69 | virtual void visit( const CaseStmt * caseStmt ) = 0; |
---|
70 | virtual void visit( BranchStmt * node ) { visit( const_cast<const BranchStmt *>(node) ); } |
---|
71 | virtual void visit( const BranchStmt * branchStmt ) = 0; |
---|
72 | virtual void visit( ReturnStmt * node ) { visit( const_cast<const ReturnStmt *>(node) ); } |
---|
73 | virtual void visit( const ReturnStmt * returnStmt ) = 0; |
---|
74 | virtual void visit( ThrowStmt * node ) { visit( const_cast<const ThrowStmt *>(node) ); } |
---|
75 | virtual void visit( const ThrowStmt * throwStmt ) = 0; |
---|
76 | virtual void visit( TryStmt * node ) { visit( const_cast<const TryStmt *>(node) ); } |
---|
77 | virtual void visit( const TryStmt * tryStmt ) = 0; |
---|
78 | virtual void visit( CatchStmt * node ) { visit( const_cast<const CatchStmt *>(node) ); } |
---|
79 | virtual void visit( const CatchStmt * catchStmt ) = 0; |
---|
80 | virtual void visit( FinallyStmt * node ) { visit( const_cast<const FinallyStmt *>(node) ); } |
---|
81 | virtual void visit( const FinallyStmt * finallyStmt ) = 0; |
---|
82 | virtual void visit( SuspendStmt * node ) { visit( const_cast<const SuspendStmt *>(node) ); } |
---|
83 | virtual void visit( const SuspendStmt * suspendStmt ) = 0; |
---|
84 | virtual void visit( WaitForStmt * node ) { visit( const_cast<const WaitForStmt *>(node) ); } |
---|
85 | virtual void visit( const WaitForStmt * waitforStmt ) = 0; |
---|
86 | virtual void visit( WithStmt * node ) { visit( const_cast<const WithStmt *>(node) ); } |
---|
87 | virtual void visit( const WithStmt * withStmt ) = 0; |
---|
88 | virtual void visit( NullStmt * node ) { visit( const_cast<const NullStmt *>(node) ); } |
---|
89 | virtual void visit( const NullStmt * nullStmt ) = 0; |
---|
90 | virtual void visit( DeclStmt * node ) { visit( const_cast<const DeclStmt *>(node) ); } |
---|
91 | virtual void visit( const DeclStmt * declStmt ) = 0; |
---|
92 | virtual void visit( ImplicitCtorDtorStmt * node ) { visit( const_cast<const ImplicitCtorDtorStmt *>(node) ); } |
---|
93 | virtual void visit( const ImplicitCtorDtorStmt * impCtorDtorStmt ) = 0; |
---|
94 | virtual void visit( MutexStmt * node ) { visit( const_cast<const MutexStmt *>(node) ); } |
---|
95 | virtual void visit( const MutexStmt * mutexStmt ) = 0; |
---|
96 | |
---|
97 | virtual void visit( ApplicationExpr * node ) { visit( const_cast<const ApplicationExpr *>(node) ); } |
---|
98 | virtual void visit( const ApplicationExpr * applicationExpr ) = 0; |
---|
99 | virtual void visit( UntypedExpr * node ) { visit( const_cast<const UntypedExpr *>(node) ); } |
---|
100 | virtual void visit( const UntypedExpr * untypedExpr ) = 0; |
---|
101 | virtual void visit( NameExpr * node ) { visit( const_cast<const NameExpr *>(node) ); } |
---|
102 | virtual void visit( const NameExpr * nameExpr ) = 0; |
---|
103 | virtual void visit( QualifiedNameExpr * node ) { visit( const_cast<const QualifiedNameExpr*>(node) );} |
---|
104 | virtual void visit( const QualifiedNameExpr* qualifiednameExpr ) = 0; |
---|
105 | virtual void visit( CastExpr * node ) { visit( const_cast<const CastExpr *>(node) ); } |
---|
106 | virtual void visit( const CastExpr * castExpr ) = 0; |
---|
107 | virtual void visit( KeywordCastExpr * node ) { visit( const_cast<const KeywordCastExpr *>(node) ); } |
---|
108 | virtual void visit( const KeywordCastExpr * castExpr ) = 0; |
---|
109 | virtual void visit( VirtualCastExpr * node ) { visit( const_cast<const VirtualCastExpr *>(node) ); } |
---|
110 | virtual void visit( const VirtualCastExpr * castExpr ) = 0; |
---|
111 | virtual void visit( AddressExpr * node ) { visit( const_cast<const AddressExpr *>(node) ); } |
---|
112 | virtual void visit( const AddressExpr * addressExpr ) = 0; |
---|
113 | virtual void visit( LabelAddressExpr * node ) { visit( const_cast<const LabelAddressExpr *>(node) ); } |
---|
114 | virtual void visit( const LabelAddressExpr * labAddressExpr ) = 0; |
---|
115 | virtual void visit( UntypedMemberExpr * node ) { visit( const_cast<const UntypedMemberExpr *>(node) ); } |
---|
116 | virtual void visit( const UntypedMemberExpr * memberExpr ) = 0; |
---|
117 | virtual void visit( MemberExpr * node ) { visit( const_cast<const MemberExpr *>(node) ); } |
---|
118 | virtual void visit( const MemberExpr * memberExpr ) = 0; |
---|
119 | virtual void visit( VariableExpr * node ) { visit( const_cast<const VariableExpr *>(node) ); } |
---|
120 | virtual void visit( const VariableExpr * variableExpr ) = 0; |
---|
121 | virtual void visit( ConstantExpr * node ) { visit( const_cast<const ConstantExpr *>(node) ); } |
---|
122 | virtual void visit( const ConstantExpr * constantExpr ) = 0; |
---|
123 | virtual void visit( SizeofExpr * node ) { visit( const_cast<const SizeofExpr *>(node) ); } |
---|
124 | virtual void visit( const SizeofExpr * sizeofExpr ) = 0; |
---|
125 | virtual void visit( AlignofExpr * node ) { visit( const_cast<const AlignofExpr *>(node) ); } |
---|
126 | virtual void visit( const AlignofExpr * alignofExpr ) = 0; |
---|
127 | virtual void visit( UntypedOffsetofExpr * node ) { visit( const_cast<const UntypedOffsetofExpr *>(node) ); } |
---|
128 | virtual void visit( const UntypedOffsetofExpr * offsetofExpr ) = 0; |
---|
129 | virtual void visit( OffsetofExpr * node ) { visit( const_cast<const OffsetofExpr *>(node) ); } |
---|
130 | virtual void visit( const OffsetofExpr * offsetofExpr ) = 0; |
---|
131 | virtual void visit( OffsetPackExpr * node ) { visit( const_cast<const OffsetPackExpr *>(node) ); } |
---|
132 | virtual void visit( const OffsetPackExpr * offsetPackExpr ) = 0; |
---|
133 | virtual void visit( LogicalExpr * node ) { visit( const_cast<const LogicalExpr *>(node) ); } |
---|
134 | virtual void visit( const LogicalExpr * logicalExpr ) = 0; |
---|
135 | virtual void visit( ConditionalExpr * node ) { visit( const_cast<const ConditionalExpr *>(node) ); } |
---|
136 | virtual void visit( const ConditionalExpr * conditionalExpr ) = 0; |
---|
137 | virtual void visit( CommaExpr * node ) { visit( const_cast<const CommaExpr *>(node) ); } |
---|
138 | virtual void visit( const CommaExpr * commaExpr ) = 0; |
---|
139 | virtual void visit( TypeExpr * node ) { visit( const_cast<const TypeExpr *>(node) ); } |
---|
140 | virtual void visit( const TypeExpr * typeExpr ) = 0; |
---|
141 | virtual void visit( DimensionExpr * node ) { visit( const_cast<const DimensionExpr *>(node) ); } |
---|
142 | virtual void visit( const DimensionExpr * typeExpr ) = 0; |
---|
143 | virtual void visit( AsmExpr * node ) { visit( const_cast<const AsmExpr *>(node) ); } |
---|
144 | virtual void visit( const AsmExpr * asmExpr ) = 0; |
---|
145 | virtual void visit( ImplicitCopyCtorExpr * node ) { visit( const_cast<const ImplicitCopyCtorExpr *>(node) ); } |
---|
146 | virtual void visit( const ImplicitCopyCtorExpr * impCpCtorExpr ) = 0; |
---|
147 | virtual void visit( ConstructorExpr * node ) { visit( const_cast<const ConstructorExpr *>(node) ); } |
---|
148 | virtual void visit( const ConstructorExpr * ctorExpr ) = 0; |
---|
149 | virtual void visit( CompoundLiteralExpr * node ) { visit( const_cast<const CompoundLiteralExpr *>(node) ); } |
---|
150 | virtual void visit( const CompoundLiteralExpr * compLitExpr ) = 0; |
---|
151 | virtual void visit( RangeExpr * node ) { visit( const_cast<const RangeExpr *>(node) ); } |
---|
152 | virtual void visit( const RangeExpr * rangeExpr ) = 0; |
---|
153 | virtual void visit( UntypedTupleExpr * node ) { visit( const_cast<const UntypedTupleExpr *>(node) ); } |
---|
154 | virtual void visit( const UntypedTupleExpr * tupleExpr ) = 0; |
---|
155 | virtual void visit( TupleExpr * node ) { visit( const_cast<const TupleExpr *>(node) ); } |
---|
156 | virtual void visit( const TupleExpr * tupleExpr ) = 0; |
---|
157 | virtual void visit( TupleIndexExpr * node ) { visit( const_cast<const TupleIndexExpr *>(node) ); } |
---|
158 | virtual void visit( const TupleIndexExpr * tupleExpr ) = 0; |
---|
159 | virtual void visit( TupleAssignExpr * node ) { visit( const_cast<const TupleAssignExpr *>(node) ); } |
---|
160 | virtual void visit( const TupleAssignExpr * assignExpr ) = 0; |
---|
161 | virtual void visit( StmtExpr * node ) { visit( const_cast<const StmtExpr *>(node) ); } |
---|
162 | virtual void visit( const StmtExpr * stmtExpr ) = 0; |
---|
163 | virtual void visit( UniqueExpr * node ) { visit( const_cast<const UniqueExpr *>(node) ); } |
---|
164 | virtual void visit( const UniqueExpr * uniqueExpr ) = 0; |
---|
165 | virtual void visit( UntypedInitExpr * node ) { visit( const_cast<const UntypedInitExpr *>(node) ); } |
---|
166 | virtual void visit( const UntypedInitExpr * initExpr ) = 0; |
---|
167 | virtual void visit( InitExpr * node ) { visit( const_cast<const InitExpr *>(node) ); } |
---|
168 | virtual void visit( const InitExpr * initExpr ) = 0; |
---|
169 | virtual void visit( DeletedExpr * node ) { visit( const_cast<const DeletedExpr *>(node) ); } |
---|
170 | virtual void visit( const DeletedExpr * delExpr ) = 0; |
---|
171 | virtual void visit( DefaultArgExpr * node ) { visit( const_cast<const DefaultArgExpr *>(node) ); } |
---|
172 | virtual void visit( const DefaultArgExpr * argExpr ) = 0; |
---|
173 | virtual void visit( GenericExpr * node ) { visit( const_cast<const GenericExpr *>(node) ); } |
---|
174 | virtual void visit( const GenericExpr * genExpr ) = 0; |
---|
175 | |
---|
176 | virtual void visit( VoidType * node ) { visit( const_cast<const VoidType *>(node) ); } |
---|
177 | virtual void visit( const VoidType * basicType ) = 0; |
---|
178 | virtual void visit( BasicType * node ) { visit( const_cast<const BasicType *>(node) ); } |
---|
179 | virtual void visit( const BasicType * basicType ) = 0; |
---|
180 | virtual void visit( PointerType * node ) { visit( const_cast<const PointerType *>(node) ); } |
---|
181 | virtual void visit( const PointerType * pointerType ) = 0; |
---|
182 | virtual void visit( ArrayType * node ) { visit( const_cast<const ArrayType *>(node) ); } |
---|
183 | virtual void visit( const ArrayType * arrayType ) = 0; |
---|
184 | virtual void visit( ReferenceType * node ) { visit( const_cast<const ReferenceType *>(node) ); } |
---|
185 | virtual void visit( const ReferenceType * refType ) = 0; |
---|
186 | virtual void visit( QualifiedType * node ) { visit( const_cast<const QualifiedType *>(node) ); } |
---|
187 | virtual void visit( const QualifiedType * qualType ) = 0; |
---|
188 | virtual void visit( FunctionType * node ) { visit( const_cast<const FunctionType *>(node) ); } |
---|
189 | virtual void visit( const FunctionType * functionType ) = 0; |
---|
190 | virtual void visit( StructInstType * node ) { visit( const_cast<const StructInstType *>(node) ); } |
---|
191 | virtual void visit( const StructInstType * aggregateUseType ) = 0; |
---|
192 | virtual void visit( UnionInstType * node ) { visit( const_cast<const UnionInstType *>(node) ); } |
---|
193 | virtual void visit( const UnionInstType * aggregateUseType ) = 0; |
---|
194 | virtual void visit( EnumInstType * node ) { visit( const_cast<const EnumInstType *>(node) ); } |
---|
195 | virtual void visit( const EnumInstType * aggregateUseType ) = 0; |
---|
196 | virtual void visit( TraitInstType * node ) { visit( const_cast<const TraitInstType *>(node) ); } |
---|
197 | virtual void visit( const TraitInstType * aggregateUseType ) = 0; |
---|
198 | virtual void visit( TypeInstType * node ) { visit( const_cast<const TypeInstType *>(node) ); } |
---|
199 | virtual void visit( const TypeInstType * aggregateUseType ) = 0; |
---|
200 | virtual void visit( TupleType * node ) { visit( const_cast<const TupleType *>(node) ); } |
---|
201 | virtual void visit( const TupleType * tupleType ) = 0; |
---|
202 | virtual void visit( TypeofType * node ) { visit( const_cast<const TypeofType *>(node) ); } |
---|
203 | virtual void visit( const TypeofType * typeofType ) = 0; |
---|
204 | virtual void visit( VTableType * node ) { visit( const_cast<const VTableType *>(node) ); } |
---|
205 | virtual void visit( const VTableType * vtableType ) = 0; |
---|
206 | virtual void visit( AttrType * node ) { visit( const_cast<const AttrType *>(node) ); } |
---|
207 | virtual void visit( const AttrType * attrType ) = 0; |
---|
208 | virtual void visit( VarArgsType * node ) { visit( const_cast<const VarArgsType *>(node) ); } |
---|
209 | virtual void visit( const VarArgsType * varArgsType ) = 0; |
---|
210 | virtual void visit( ZeroType * node ) { visit( const_cast<const ZeroType *>(node) ); } |
---|
211 | virtual void visit( const ZeroType * zeroType ) = 0; |
---|
212 | virtual void visit( OneType * node ) { visit( const_cast<const OneType *>(node) ); } |
---|
213 | virtual void visit( const OneType * oneType ) = 0; |
---|
214 | virtual void visit( GlobalScopeType * node ) { visit( const_cast<const GlobalScopeType *>(node) ); } |
---|
215 | virtual void visit( const GlobalScopeType * globalType ) = 0; |
---|
216 | |
---|
217 | virtual void visit( Designation * node ) { visit( const_cast<const Designation *>(node) ); } |
---|
218 | virtual void visit( const Designation * designation ) = 0; |
---|
219 | virtual void visit( SingleInit * node ) { visit( const_cast<const SingleInit *>(node) ); } |
---|
220 | virtual void visit( const SingleInit * singleInit ) = 0; |
---|
221 | virtual void visit( ListInit * node ) { visit( const_cast<const ListInit *>(node) ); } |
---|
222 | virtual void visit( const ListInit * listInit ) = 0; |
---|
223 | virtual void visit( ConstructorInit * node ) { visit( const_cast<const ConstructorInit *>(node) ); } |
---|
224 | virtual void visit( const ConstructorInit * ctorInit ) = 0; |
---|
225 | |
---|
226 | virtual void visit( Constant * node ) { visit( const_cast<const Constant *>(node) ); } |
---|
227 | virtual void visit( const Constant * constant ) = 0; |
---|
228 | |
---|
229 | virtual void visit( Attribute * node ) { visit( const_cast<const Attribute *>(node) ); } |
---|
230 | virtual void visit( const Attribute * attribute ) = 0; |
---|
231 | }; |
---|
232 | |
---|
233 | template< typename TreeType, typename VisitorType > |
---|
234 | inline void maybeAccept( TreeType * tree, VisitorType & visitor ) { |
---|
235 | if ( tree ) { |
---|
236 | tree->accept( visitor ); |
---|
237 | } |
---|
238 | } |
---|
239 | |
---|
240 | template< typename TreeType, typename VisitorType > |
---|
241 | inline void maybeAccept( const TreeType * tree, VisitorType & visitor ) { |
---|
242 | if ( tree ) { |
---|
243 | tree->accept( visitor ); |
---|
244 | } |
---|
245 | } |
---|
246 | |
---|
247 | template< typename Container, typename VisitorType > |
---|
248 | inline void acceptAll( Container & container, VisitorType & visitor ) { |
---|
249 | SemanticErrorException errors; |
---|
250 | for ( auto * i : container ) { |
---|
251 | try { |
---|
252 | if ( i ) { |
---|
253 | i->accept( visitor ); |
---|
254 | } |
---|
255 | } catch( SemanticErrorException & e ) { |
---|
256 | errors.append( e ); |
---|
257 | } |
---|
258 | } |
---|
259 | if ( ! errors.isEmpty() ) { |
---|
260 | throw errors; |
---|
261 | } |
---|
262 | } |
---|
263 | |
---|
264 | template< typename Container, typename VisitorType > |
---|
265 | inline void acceptAll( const Container & container, VisitorType & visitor ) { |
---|
266 | SemanticErrorException errors; |
---|
267 | for ( const auto * i : container ) { |
---|
268 | try { |
---|
269 | if ( i ) { |
---|
270 | i->accept( visitor ); |
---|
271 | } |
---|
272 | } catch( SemanticErrorException &e ) { |
---|
273 | errors.append( e ); |
---|
274 | } |
---|
275 | } |
---|
276 | if ( ! errors.isEmpty() ) { |
---|
277 | throw errors; |
---|
278 | } |
---|
279 | } |
---|
280 | |
---|
281 | // Local Variables: // |
---|
282 | // tab-width: 4 // |
---|
283 | // mode: c++ // |
---|
284 | // compile-command: "make install" // |
---|
285 | // End: // |
---|