1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
/*
Copyright 2005 Roberto Raggi <roberto@kdevelop.org>
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
KDEVELOP TEAM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef CPLUSPLUS_PP_ENGINE_H
#define CPLUSPLUS_PP_ENGINE_H
#include "PreprocessorClient.h"
#include "pp-macro-expander.h"
#include <Token.h>
#include <QVector>
#include <QBitArray>
namespace CPlusPlus {
struct Value;
class Environment;
class CPLUSPLUS_EXPORT Preprocessor
{
public:
Preprocessor(Client *client, Environment *env);
QByteArray operator()(const QString &filename, const QString &source);
QByteArray operator()(const QString &filename, const QByteArray &source);
void preprocess(const QString &filename,
const QByteArray &source,
QByteArray *result);
bool expandMacros() const;
void setExpandMacros(bool expandMacros);
private:
enum { MAX_LEVEL = 512 };
enum PP_DIRECTIVE_TYPE
{
PP_UNKNOWN_DIRECTIVE,
PP_DEFINE,
PP_IMPORT,
PP_INCLUDE,
PP_INCLUDE_NEXT,
PP_ELIF,
PP_ELSE,
PP_ENDIF,
PP_IF,
PP_IFDEF,
PP_IFNDEF,
PP_UNDEF
};
typedef const CPlusPlus::Token *TokenIterator;
struct State {
QByteArray source;
QVector<CPlusPlus::Token> tokens;
TokenIterator dot;
};
bool markGeneratedTokens(bool markGeneratedTokens, TokenIterator dot = 0);
QByteArray expand(const QByteArray &source);
void expand(const QByteArray &source, QByteArray *result);
void expand(const char *first, const char *last, QByteArray *result);
void expandBuiltinMacro(TokenIterator identifierToken,
const QByteArray &spell);
void expandObjectLikeMacro(TokenIterator identifierToken,
const QByteArray &spell,
Macro *m, QByteArray *result);
void expandFunctionLikeMacro(TokenIterator identifierToken, Macro *m,
const QVector<MacroArgumentReference> &actuals);
void resetIfLevel();
bool testIfLevel();
int skipping() const;
PP_DIRECTIVE_TYPE classifyDirective(const QByteArray &directive) const;
Value evalExpression(TokenIterator firstToken,
TokenIterator lastToken,
const QByteArray &source) const;
QVector<CPlusPlus::Token> tokenize(const QByteArray &text) const;
const char *startOfToken(const CPlusPlus::Token &token) const;
const char *endOfToken(const CPlusPlus::Token &token) const;
QByteArray tokenSpell(const CPlusPlus::Token &token) const;
QByteArray tokenText(const CPlusPlus::Token &token) const; // does a deep copy
void collectActualArguments(QVector<MacroArgumentReference> *actuals);
MacroArgumentReference collectOneActualArgument();
void processNewline(bool force = false);
void processSkippingBlocks(bool skippingBlocks,
TokenIterator dot, TokenIterator lastToken);
Macro *processObjectLikeMacro(TokenIterator identifierToken,
const QByteArray &spell,
Macro *m);
void processDirective(TokenIterator dot, TokenIterator lastToken);
void processInclude(bool skipCurrentPath,
TokenIterator dot, TokenIterator lastToken,
bool acceptMacros = true);
void processDefine(TokenIterator dot, TokenIterator lastToken);
void processIf(TokenIterator dot, TokenIterator lastToken);
void processElse(TokenIterator dot, TokenIterator lastToken);
void processElif(TokenIterator dot, TokenIterator lastToken);
void processEndif(TokenIterator dot, TokenIterator lastToken);
void processIfdef(bool checkUndefined,
TokenIterator dot, TokenIterator lastToken);
void processUndef(TokenIterator dot, TokenIterator lastToken);
bool isQtReservedWord(const QByteArray &name) const;
State state() const;
void pushState(const State &state);
void popState();
State createStateFromSource(const QByteArray &source) const;
void out(const QByteArray &text);
void out(char ch);
void out(const char *s);
QString string(const char *first, int len) const;
bool maybeAfterComment() const;
private:
Client *client;
Environment *env;
MacroExpander _expand;
QBitArray _skipping; // ### move in state
QBitArray _trueTest; // ### move in state
int iflevel; // ### move in state
QList<State> _savedStates;
QByteArray _source;
QVector<CPlusPlus::Token> _tokens;
TokenIterator _dot;
QByteArray *_result;
bool _markGeneratedTokens;
QString _originalSource;
bool _expandMacros;
};
} // namespace CPlusPlus
#endif // CPLUSPLUS_PP_ENGINE_H
|
