1 /****************************************************************************
2 **
3 ** Copyright (C) 2015 The Qt Company Ltd.
4 ** Contact: http://www.qt.io/licensing/
5 **
6 ** This file is part of the QtScript module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 #ifndef QSCRIPTASTVISITOR_P_H
41 #define QSCRIPTASTVISITOR_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include "qscriptastfwd_p.h"
55 
56 QT_BEGIN_NAMESPACE
57 
58 namespace QScript { namespace AST {
59 
60 class Visitor
61 {
62 public:
63     Visitor();
64     virtual ~Visitor();
65 
preVisit(Node *)66     virtual bool preVisit(Node *) { return true; }
postVisit(Node *)67     virtual void postVisit(Node *) {}
68 
visit(ThisExpression *)69     virtual bool visit(ThisExpression *) { return true; }
endVisit(ThisExpression *)70     virtual void endVisit(ThisExpression *) {}
71 
visit(IdentifierExpression *)72     virtual bool visit(IdentifierExpression *) { return true; }
endVisit(IdentifierExpression *)73     virtual void endVisit(IdentifierExpression *) {}
74 
visit(NullExpression *)75     virtual bool visit(NullExpression *) { return true; }
endVisit(NullExpression *)76     virtual void endVisit(NullExpression *) {}
77 
visit(TrueLiteral *)78     virtual bool visit(TrueLiteral *) { return true; }
endVisit(TrueLiteral *)79     virtual void endVisit(TrueLiteral *) {}
80 
visit(FalseLiteral *)81     virtual bool visit(FalseLiteral *) { return true; }
endVisit(FalseLiteral *)82     virtual void endVisit(FalseLiteral *) {}
83 
visit(StringLiteral *)84     virtual bool visit(StringLiteral *) { return true; }
endVisit(StringLiteral *)85     virtual void endVisit(StringLiteral *) {}
86 
visit(NumericLiteral *)87     virtual bool visit(NumericLiteral *) { return true; }
endVisit(NumericLiteral *)88     virtual void endVisit(NumericLiteral *) {}
89 
visit(RegExpLiteral *)90     virtual bool visit(RegExpLiteral *) { return true; }
endVisit(RegExpLiteral *)91     virtual void endVisit(RegExpLiteral *) {}
92 
visit(ArrayLiteral *)93     virtual bool visit(ArrayLiteral *) { return true; }
endVisit(ArrayLiteral *)94     virtual void endVisit(ArrayLiteral *) {}
95 
visit(ObjectLiteral *)96     virtual bool visit(ObjectLiteral *) { return true; }
endVisit(ObjectLiteral *)97     virtual void endVisit(ObjectLiteral *) {}
98 
visit(ElementList *)99     virtual bool visit(ElementList *) { return true; }
endVisit(ElementList *)100     virtual void endVisit(ElementList *) {}
101 
visit(Elision *)102     virtual bool visit(Elision *) { return true; }
endVisit(Elision *)103     virtual void endVisit(Elision *) {}
104 
visit(PropertyNameAndValueList *)105     virtual bool visit(PropertyNameAndValueList *) { return true; }
endVisit(PropertyNameAndValueList *)106     virtual void endVisit(PropertyNameAndValueList *) {}
107 
visit(IdentifierPropertyName *)108     virtual bool visit(IdentifierPropertyName *) { return true; }
endVisit(IdentifierPropertyName *)109     virtual void endVisit(IdentifierPropertyName *) {}
110 
visit(StringLiteralPropertyName *)111     virtual bool visit(StringLiteralPropertyName *) { return true; }
endVisit(StringLiteralPropertyName *)112     virtual void endVisit(StringLiteralPropertyName *) {}
113 
visit(NumericLiteralPropertyName *)114     virtual bool visit(NumericLiteralPropertyName *) { return true; }
endVisit(NumericLiteralPropertyName *)115     virtual void endVisit(NumericLiteralPropertyName *) {}
116 
visit(ArrayMemberExpression *)117     virtual bool visit(ArrayMemberExpression *) { return true; }
endVisit(ArrayMemberExpression *)118     virtual void endVisit(ArrayMemberExpression *) {}
119 
visit(FieldMemberExpression *)120     virtual bool visit(FieldMemberExpression *) { return true; }
endVisit(FieldMemberExpression *)121     virtual void endVisit(FieldMemberExpression *) {}
122 
visit(NewMemberExpression *)123     virtual bool visit(NewMemberExpression *) { return true; }
endVisit(NewMemberExpression *)124     virtual void endVisit(NewMemberExpression *) {}
125 
visit(NewExpression *)126     virtual bool visit(NewExpression *) { return true; }
endVisit(NewExpression *)127     virtual void endVisit(NewExpression *) {}
128 
visit(CallExpression *)129     virtual bool visit(CallExpression *) { return true; }
endVisit(CallExpression *)130     virtual void endVisit(CallExpression *) {}
131 
visit(ArgumentList *)132     virtual bool visit(ArgumentList *) { return true; }
endVisit(ArgumentList *)133     virtual void endVisit(ArgumentList *) {}
134 
visit(PostIncrementExpression *)135     virtual bool visit(PostIncrementExpression *) { return true; }
endVisit(PostIncrementExpression *)136     virtual void endVisit(PostIncrementExpression *) {}
137 
visit(PostDecrementExpression *)138     virtual bool visit(PostDecrementExpression *) { return true; }
endVisit(PostDecrementExpression *)139     virtual void endVisit(PostDecrementExpression *) {}
140 
visit(DeleteExpression *)141     virtual bool visit(DeleteExpression *) { return true; }
endVisit(DeleteExpression *)142     virtual void endVisit(DeleteExpression *) {}
143 
visit(VoidExpression *)144     virtual bool visit(VoidExpression *) { return true; }
endVisit(VoidExpression *)145     virtual void endVisit(VoidExpression *) {}
146 
visit(TypeOfExpression *)147     virtual bool visit(TypeOfExpression *) { return true; }
endVisit(TypeOfExpression *)148     virtual void endVisit(TypeOfExpression *) {}
149 
visit(PreIncrementExpression *)150     virtual bool visit(PreIncrementExpression *) { return true; }
endVisit(PreIncrementExpression *)151     virtual void endVisit(PreIncrementExpression *) {}
152 
visit(PreDecrementExpression *)153     virtual bool visit(PreDecrementExpression *) { return true; }
endVisit(PreDecrementExpression *)154     virtual void endVisit(PreDecrementExpression *) {}
155 
visit(UnaryPlusExpression *)156     virtual bool visit(UnaryPlusExpression *) { return true; }
endVisit(UnaryPlusExpression *)157     virtual void endVisit(UnaryPlusExpression *) {}
158 
visit(UnaryMinusExpression *)159     virtual bool visit(UnaryMinusExpression *) { return true; }
endVisit(UnaryMinusExpression *)160     virtual void endVisit(UnaryMinusExpression *) {}
161 
visit(TildeExpression *)162     virtual bool visit(TildeExpression *) { return true; }
endVisit(TildeExpression *)163     virtual void endVisit(TildeExpression *) {}
164 
visit(NotExpression *)165     virtual bool visit(NotExpression *) { return true; }
endVisit(NotExpression *)166     virtual void endVisit(NotExpression *) {}
167 
visit(BinaryExpression *)168     virtual bool visit(BinaryExpression *) { return true; }
endVisit(BinaryExpression *)169     virtual void endVisit(BinaryExpression *) {}
170 
visit(ConditionalExpression *)171     virtual bool visit(ConditionalExpression *) { return true; }
endVisit(ConditionalExpression *)172     virtual void endVisit(ConditionalExpression *) {}
173 
visit(Expression *)174     virtual bool visit(Expression *) { return true; }
endVisit(Expression *)175     virtual void endVisit(Expression *) {}
176 
visit(Block *)177     virtual bool visit(Block *) { return true; }
endVisit(Block *)178     virtual void endVisit(Block *) {}
179 
visit(StatementList *)180     virtual bool visit(StatementList *) { return true; }
endVisit(StatementList *)181     virtual void endVisit(StatementList *) {}
182 
visit(VariableStatement *)183     virtual bool visit(VariableStatement *) { return true; }
endVisit(VariableStatement *)184     virtual void endVisit(VariableStatement *) {}
185 
visit(VariableDeclarationList *)186     virtual bool visit(VariableDeclarationList *) { return true; }
endVisit(VariableDeclarationList *)187     virtual void endVisit(VariableDeclarationList *) {}
188 
visit(VariableDeclaration *)189     virtual bool visit(VariableDeclaration *) { return true; }
endVisit(VariableDeclaration *)190     virtual void endVisit(VariableDeclaration *) {}
191 
visit(EmptyStatement *)192     virtual bool visit(EmptyStatement *) { return true; }
endVisit(EmptyStatement *)193     virtual void endVisit(EmptyStatement *) {}
194 
visit(ExpressionStatement *)195     virtual bool visit(ExpressionStatement *) { return true; }
endVisit(ExpressionStatement *)196     virtual void endVisit(ExpressionStatement *) {}
197 
visit(IfStatement *)198     virtual bool visit(IfStatement *) { return true; }
endVisit(IfStatement *)199     virtual void endVisit(IfStatement *) {}
200 
visit(DoWhileStatement *)201     virtual bool visit(DoWhileStatement *) { return true; }
endVisit(DoWhileStatement *)202     virtual void endVisit(DoWhileStatement *) {}
203 
visit(WhileStatement *)204     virtual bool visit(WhileStatement *) { return true; }
endVisit(WhileStatement *)205     virtual void endVisit(WhileStatement *) {}
206 
visit(ForStatement *)207     virtual bool visit(ForStatement *) { return true; }
endVisit(ForStatement *)208     virtual void endVisit(ForStatement *) {}
209 
visit(LocalForStatement *)210     virtual bool visit(LocalForStatement *) { return true; }
endVisit(LocalForStatement *)211     virtual void endVisit(LocalForStatement *) {}
212 
visit(ForEachStatement *)213     virtual bool visit(ForEachStatement *) { return true; }
endVisit(ForEachStatement *)214     virtual void endVisit(ForEachStatement *) {}
215 
visit(LocalForEachStatement *)216     virtual bool visit(LocalForEachStatement *) { return true; }
endVisit(LocalForEachStatement *)217     virtual void endVisit(LocalForEachStatement *) {}
218 
visit(ContinueStatement *)219     virtual bool visit(ContinueStatement *) { return true; }
endVisit(ContinueStatement *)220     virtual void endVisit(ContinueStatement *) {}
221 
visit(BreakStatement *)222     virtual bool visit(BreakStatement *) { return true; }
endVisit(BreakStatement *)223     virtual void endVisit(BreakStatement *) {}
224 
visit(ReturnStatement *)225     virtual bool visit(ReturnStatement *) { return true; }
endVisit(ReturnStatement *)226     virtual void endVisit(ReturnStatement *) {}
227 
visit(WithStatement *)228     virtual bool visit(WithStatement *) { return true; }
endVisit(WithStatement *)229     virtual void endVisit(WithStatement *) {}
230 
visit(SwitchStatement *)231     virtual bool visit(SwitchStatement *) { return true; }
endVisit(SwitchStatement *)232     virtual void endVisit(SwitchStatement *) {}
233 
visit(CaseBlock *)234     virtual bool visit(CaseBlock *) { return true; }
endVisit(CaseBlock *)235     virtual void endVisit(CaseBlock *) {}
236 
visit(CaseClauses *)237     virtual bool visit(CaseClauses *) { return true; }
endVisit(CaseClauses *)238     virtual void endVisit(CaseClauses *) {}
239 
visit(CaseClause *)240     virtual bool visit(CaseClause *) { return true; }
endVisit(CaseClause *)241     virtual void endVisit(CaseClause *) {}
242 
visit(DefaultClause *)243     virtual bool visit(DefaultClause *) { return true; }
endVisit(DefaultClause *)244     virtual void endVisit(DefaultClause *) {}
245 
visit(LabelledStatement *)246     virtual bool visit(LabelledStatement *) { return true; }
endVisit(LabelledStatement *)247     virtual void endVisit(LabelledStatement *) {}
248 
visit(ThrowStatement *)249     virtual bool visit(ThrowStatement *) { return true; }
endVisit(ThrowStatement *)250     virtual void endVisit(ThrowStatement *) {}
251 
visit(TryStatement *)252     virtual bool visit(TryStatement *) { return true; }
endVisit(TryStatement *)253     virtual void endVisit(TryStatement *) {}
254 
visit(Catch *)255     virtual bool visit(Catch *) { return true; }
endVisit(Catch *)256     virtual void endVisit(Catch *) {}
257 
visit(Finally *)258     virtual bool visit(Finally *) { return true; }
endVisit(Finally *)259     virtual void endVisit(Finally *) {}
260 
visit(FunctionDeclaration *)261     virtual bool visit(FunctionDeclaration *) { return true; }
endVisit(FunctionDeclaration *)262     virtual void endVisit(FunctionDeclaration *) {}
263 
visit(FunctionExpression *)264     virtual bool visit(FunctionExpression *) { return true; }
endVisit(FunctionExpression *)265     virtual void endVisit(FunctionExpression *) {}
266 
visit(FormalParameterList *)267     virtual bool visit(FormalParameterList *) { return true; }
endVisit(FormalParameterList *)268     virtual void endVisit(FormalParameterList *) {}
269 
visit(FunctionBody *)270     virtual bool visit(FunctionBody *) { return true; }
endVisit(FunctionBody *)271     virtual void endVisit(FunctionBody *) {}
272 
visit(Program *)273     virtual bool visit(Program *) { return true; }
endVisit(Program *)274     virtual void endVisit(Program *) {}
275 
visit(SourceElements *)276     virtual bool visit(SourceElements *) { return true; }
endVisit(SourceElements *)277     virtual void endVisit(SourceElements *) {}
278 
visit(FunctionSourceElement *)279     virtual bool visit(FunctionSourceElement *) { return true; }
endVisit(FunctionSourceElement *)280     virtual void endVisit(FunctionSourceElement *) {}
281 
visit(StatementSourceElement *)282     virtual bool visit(StatementSourceElement *) { return true; }
endVisit(StatementSourceElement *)283     virtual void endVisit(StatementSourceElement *) {}
284 
visit(DebuggerStatement *)285     virtual bool visit(DebuggerStatement *) { return true; }
endVisit(DebuggerStatement *)286     virtual void endVisit(DebuggerStatement *) {}
287 };
288 
289 } } // namespace AST
290 
291 QT_END_NAMESPACE
292 
293 #endif // QSCRIPTASTVISITOR_P_H
294