source: branches/4.5.1/src/script/qscriptprettypretty_p.h@ 921

Last change on this file since 921 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 10.9 KB
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1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtScript module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QSCRIPTPRETTYPRETTY_P_H
43#define QSCRIPTPRETTYPRETTY_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists purely as an
50// implementation detail. This header file may change from version to
51// version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include <QtCore/qglobal.h>
57
58#include "qscriptastvisitor_p.h"
59
60QT_BEGIN_NAMESPACE
61
62class QTextStream;
63
64namespace QScript {
65
66class PrettyPretty: protected AST::Visitor
67{
68public:
69 PrettyPretty(QTextStream &out);
70 virtual ~PrettyPretty();
71
72 QTextStream &operator () (AST::Node *node, int level = 0);
73
74protected:
75 void accept(AST::Node *node);
76
77 virtual bool preVisit(AST::Node *node);
78
79 virtual bool visit(AST::ThisExpression *node);
80 virtual void endVisit(AST::ThisExpression *node);
81
82 virtual bool visit(AST::IdentifierExpression *node);
83 virtual void endVisit(AST::IdentifierExpression *node);
84
85 virtual bool visit(AST::NullExpression *node);
86 virtual void endVisit(AST::NullExpression *node);
87
88 virtual bool visit(AST::TrueLiteral *node);
89 virtual void endVisit(AST::TrueLiteral *node);
90
91 virtual bool visit(AST::FalseLiteral *node);
92 virtual void endVisit(AST::FalseLiteral *node);
93
94 virtual bool visit(AST::StringLiteral *node);
95 virtual void endVisit(AST::StringLiteral *node);
96
97 virtual bool visit(AST::NumericLiteral *node);
98 virtual void endVisit(AST::NumericLiteral *node);
99
100 virtual bool visit(AST::RegExpLiteral *node);
101 virtual void endVisit(AST::RegExpLiteral *node);
102
103 virtual bool visit(AST::ArrayLiteral *node);
104 virtual void endVisit(AST::ArrayLiteral *node);
105
106 virtual bool visit(AST::ObjectLiteral *node);
107 virtual void endVisit(AST::ObjectLiteral *node);
108
109 virtual bool visit(AST::ElementList *node);
110 virtual void endVisit(AST::ElementList *node);
111
112 virtual bool visit(AST::Elision *node);
113 virtual void endVisit(AST::Elision *node);
114
115 virtual bool visit(AST::PropertyNameAndValueList *node);
116 virtual void endVisit(AST::PropertyNameAndValueList *node);
117
118 virtual bool visit(AST::IdentifierPropertyName *node);
119 virtual void endVisit(AST::IdentifierPropertyName *node);
120
121 virtual bool visit(AST::StringLiteralPropertyName *node);
122 virtual void endVisit(AST::StringLiteralPropertyName *node);
123
124 virtual bool visit(AST::NumericLiteralPropertyName *node);
125 virtual void endVisit(AST::NumericLiteralPropertyName *node);
126
127 virtual bool visit(AST::ArrayMemberExpression *node);
128 virtual void endVisit(AST::ArrayMemberExpression *node);
129
130 virtual bool visit(AST::FieldMemberExpression *node);
131 virtual void endVisit(AST::FieldMemberExpression *node);
132
133 virtual bool visit(AST::NewMemberExpression *node);
134 virtual void endVisit(AST::NewMemberExpression *node);
135
136 virtual bool visit(AST::NewExpression *node);
137 virtual void endVisit(AST::NewExpression *node);
138
139 virtual bool visit(AST::CallExpression *node);
140 virtual void endVisit(AST::CallExpression *node);
141
142 virtual bool visit(AST::ArgumentList *node);
143 virtual void endVisit(AST::ArgumentList *node);
144
145 virtual bool visit(AST::PostIncrementExpression *node);
146 virtual void endVisit(AST::PostIncrementExpression *node);
147
148 virtual bool visit(AST::PostDecrementExpression *node);
149 virtual void endVisit(AST::PostDecrementExpression *node);
150
151 virtual bool visit(AST::DeleteExpression *node);
152 virtual void endVisit(AST::DeleteExpression *node);
153
154 virtual bool visit(AST::VoidExpression *node);
155 virtual void endVisit(AST::VoidExpression *node);
156
157 virtual bool visit(AST::TypeOfExpression *node);
158 virtual void endVisit(AST::TypeOfExpression *node);
159
160 virtual bool visit(AST::PreIncrementExpression *node);
161 virtual void endVisit(AST::PreIncrementExpression *node);
162
163 virtual bool visit(AST::PreDecrementExpression *node);
164 virtual void endVisit(AST::PreDecrementExpression *node);
165
166 virtual bool visit(AST::UnaryPlusExpression *node);
167 virtual void endVisit(AST::UnaryPlusExpression *node);
168
169 virtual bool visit(AST::UnaryMinusExpression *node);
170 virtual void endVisit(AST::UnaryMinusExpression *node);
171
172 virtual bool visit(AST::TildeExpression *node);
173 virtual void endVisit(AST::TildeExpression *node);
174
175 virtual bool visit(AST::NotExpression *node);
176 virtual void endVisit(AST::NotExpression *node);
177
178 virtual bool visit(AST::BinaryExpression *node);
179 virtual void endVisit(AST::BinaryExpression *node);
180
181 virtual bool visit(AST::ConditionalExpression *node);
182 virtual void endVisit(AST::ConditionalExpression *node);
183
184 virtual bool visit(AST::Expression *node);
185 virtual void endVisit(AST::Expression *node);
186
187 virtual bool visit(AST::Block *node);
188 virtual void endVisit(AST::Block *node);
189
190 virtual bool visit(AST::StatementList *node);
191 virtual void endVisit(AST::StatementList *node);
192
193 virtual bool visit(AST::VariableStatement *node);
194 virtual void endVisit(AST::VariableStatement *node);
195
196 virtual bool visit(AST::VariableDeclarationList *node);
197 virtual void endVisit(AST::VariableDeclarationList *node);
198
199 virtual bool visit(AST::VariableDeclaration *node);
200 virtual void endVisit(AST::VariableDeclaration *node);
201
202 virtual bool visit(AST::EmptyStatement *node);
203 virtual void endVisit(AST::EmptyStatement *node);
204
205 virtual bool visit(AST::ExpressionStatement *node);
206 virtual void endVisit(AST::ExpressionStatement *node);
207
208 virtual bool visit(AST::IfStatement *node);
209 virtual void endVisit(AST::IfStatement *node);
210
211 virtual bool visit(AST::DoWhileStatement *node);
212 virtual void endVisit(AST::DoWhileStatement *node);
213
214 virtual bool visit(AST::WhileStatement *node);
215 virtual void endVisit(AST::WhileStatement *node);
216
217 virtual bool visit(AST::ForStatement *node);
218 virtual void endVisit(AST::ForStatement *node);
219
220 virtual bool visit(AST::LocalForStatement *node);
221 virtual void endVisit(AST::LocalForStatement *node);
222
223 virtual bool visit(AST::ForEachStatement *node);
224 virtual void endVisit(AST::ForEachStatement *node);
225
226 virtual bool visit(AST::LocalForEachStatement *node);
227 virtual void endVisit(AST::LocalForEachStatement *node);
228
229 virtual bool visit(AST::ContinueStatement *node);
230 virtual void endVisit(AST::ContinueStatement *node);
231
232 virtual bool visit(AST::BreakStatement *node);
233 virtual void endVisit(AST::BreakStatement *node);
234
235 virtual bool visit(AST::ReturnStatement *node);
236 virtual void endVisit(AST::ReturnStatement *node);
237
238 virtual bool visit(AST::WithStatement *node);
239 virtual void endVisit(AST::WithStatement *node);
240
241 virtual bool visit(AST::SwitchStatement *node);
242 virtual void endVisit(AST::SwitchStatement *node);
243
244 virtual bool visit(AST::CaseBlock *node);
245 virtual void endVisit(AST::CaseBlock *node);
246
247 virtual bool visit(AST::CaseClauses *node);
248 virtual void endVisit(AST::CaseClauses *node);
249
250 virtual bool visit(AST::CaseClause *node);
251 virtual void endVisit(AST::CaseClause *node);
252
253 virtual bool visit(AST::DefaultClause *node);
254 virtual void endVisit(AST::DefaultClause *node);
255
256 virtual bool visit(AST::LabelledStatement *node);
257 virtual void endVisit(AST::LabelledStatement *node);
258
259 virtual bool visit(AST::ThrowStatement *node);
260 virtual void endVisit(AST::ThrowStatement *node);
261
262 virtual bool visit(AST::TryStatement *node);
263 virtual void endVisit(AST::TryStatement *node);
264
265 virtual bool visit(AST::Catch *node);
266 virtual void endVisit(AST::Catch *node);
267
268 virtual bool visit(AST::Finally *node);
269 virtual void endVisit(AST::Finally *node);
270
271 virtual bool visit(AST::FunctionDeclaration *node);
272 virtual void endVisit(AST::FunctionDeclaration *node);
273
274 virtual bool visit(AST::FunctionExpression *node);
275 virtual void endVisit(AST::FunctionExpression *node);
276
277 virtual bool visit(AST::FormalParameterList *node);
278 virtual void endVisit(AST::FormalParameterList *node);
279
280 virtual bool visit(AST::FunctionBody *node);
281 virtual void endVisit(AST::FunctionBody *node);
282
283 virtual bool visit(AST::Program *node);
284 virtual void endVisit(AST::Program *node);
285
286 virtual bool visit(AST::SourceElements *node);
287 virtual void endVisit(AST::SourceElements *node);
288
289 virtual bool visit(AST::FunctionSourceElement *node);
290 virtual void endVisit(AST::FunctionSourceElement *node);
291
292 virtual bool visit(AST::StatementSourceElement *node);
293 virtual void endVisit(AST::StatementSourceElement *node);
294
295 virtual bool visit(AST::DebuggerStatement *node);
296 virtual void endVisit(AST::DebuggerStatement *node);
297
298 int indentLevel(int level)
299 {
300 int was = m_indentLevel;
301 m_indentLevel = level;
302 return was;
303 }
304
305 void pushIndentLevel()
306 { ++m_indentLevel; }
307
308 void popIndentLevel()
309 { --m_indentLevel; }
310
311 QTextStream &newlineAndIndent();
312
313 void acceptAsBlock(AST::Node *node);
314
315 static int operatorPrecedenceLevel(int op);
316 static int compareOperatorPrecedence(int op1, int op2);
317
318private:
319 QTextStream &out;
320 int m_indentLevel;
321
322 Q_DISABLE_COPY(PrettyPretty)
323};
324
325} // namespace QScript
326
327QT_END_NAMESPACE
328
329#endif
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