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+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+**
+** Non-Open Source Usage
+**
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.
+**
+** GNU General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file. Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception
+** version 1.2, included in the file GPL_EXCEPTION.txt in this package.
+**
+***************************************************************************/
+/*
+ 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 PP_SCANNER_H
+#define PP_SCANNER_H
+
+namespace CPlusPlus {
+
+struct pp_skip_blanks
+{
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ lines = 0;
+
+ for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
+ {
+ if (*__first == '\\')
+ {
+ const char *__begin = __first;
+ ++__begin;
+
+ if (__begin != __last && *__begin == '\n')
+ ++__first;
+ else
+ break;
+ }
+ else if (*__first == '\n' || !pp_isspace (*__first))
+ break;
+ }
+
+ return __first;
+ }
+};
+
+struct pp_skip_whitespaces
+{
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ lines = 0;
+
+ for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
+ {
+ if (! pp_isspace (*__first))
+ break;
+ }
+
+ return __first;
+ }
+};
+
+struct pp_skip_comment_or_divop
+{
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ enum {
+ MAYBE_BEGIN,
+ BEGIN,
+ MAYBE_END,
+ END,
+ IN_COMMENT,
+ IN_CXX_COMMENT
+ } state (MAYBE_BEGIN);
+
+ lines = 0;
+
+ for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
+ {
+ switch (state)
+ {
+ default:
+ assert (0);
+ break;
+
+ case MAYBE_BEGIN:
+ if (*__first != '/')
+ return __first;
+
+ state = BEGIN;
+ break;
+
+ case BEGIN:
+ if (*__first == '*')
+ state = IN_COMMENT;
+ else if (*__first == '/')
+ state = IN_CXX_COMMENT;
+ else
+ return __first;
+ break;
+
+ case IN_COMMENT:
+ if (*__first == '*')
+ state = MAYBE_END;
+ break;
+
+ case IN_CXX_COMMENT:
+ if (*__first == '\n')
+ return __first;
+ break;
+
+ case MAYBE_END:
+ if (*__first == '/')
+ state = END;
+ else if (*__first != '*')
+ state = IN_COMMENT;
+ break;
+
+ case END:
+ return __first;
+ }
+ }
+
+ return __first;
+ }
+};
+
+struct pp_skip_identifier
+{
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ lines = 0;
+
+ for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
+ {
+ if (! pp_isalnum (*__first) && *__first != '_')
+ break;
+ }
+
+ return __first;
+ }
+};
+
+struct pp_skip_number
+{
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ lines = 0;
+
+ for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
+ {
+ if (! pp_isalnum (*__first) && *__first != '.')
+ break;
+ }
+
+ return __first;
+ }
+};
+
+struct pp_skip_string_literal
+{
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ enum {
+ BEGIN,
+ IN_STRING,
+ QUOTE,
+ END
+ } state (BEGIN);
+
+ lines = 0;
+
+ for (; __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
+ {
+ switch (state)
+ {
+ default:
+ assert (0);
+ break;
+
+ case BEGIN:
+ if (*__first != '\"')
+ return __first;
+ state = IN_STRING;
+ break;
+
+ case IN_STRING:
+ if (! (*__first != '\n'))
+ return __last;
+
+ if (*__first == '\"')
+ state = END;
+ else if (*__first == '\\')
+ state = QUOTE;
+ break;
+
+ case QUOTE:
+ state = IN_STRING;
+ break;
+
+ case END:
+ return __first;
+ }
+ }
+
+ return __first;
+ }
+};
+
+struct pp_skip_char_literal
+{
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ enum {
+ BEGIN,
+ IN_STRING,
+ QUOTE,
+ END
+ } state (BEGIN);
+
+ lines = 0;
+
+ for (; state != END && __first != __last; lines += (*__first != '\n' ? 0 : 1), ++__first)
+ {
+ switch (state)
+ {
+ default:
+ assert (0);
+ break;
+
+ case BEGIN:
+ if (*__first != '\'')
+ return __first;
+ state = IN_STRING;
+ break;
+
+ case IN_STRING:
+ if (! (*__first != '\n'))
+ return __last;
+
+ if (*__first == '\'')
+ state = END;
+ else if (*__first == '\\')
+ state = QUOTE;
+ break;
+
+ case QUOTE:
+ state = IN_STRING;
+ break;
+ }
+ }
+
+ return __first;
+ }
+};
+
+struct pp_skip_argument
+{
+ pp_skip_identifier skip_number;
+ pp_skip_identifier skip_identifier;
+ pp_skip_string_literal skip_string_literal;
+ pp_skip_char_literal skip_char_literal;
+ pp_skip_comment_or_divop skip_comment_or_divop;
+ int lines;
+
+
+ const char *operator () (const char *__first, const char *__last)
+ {
+ int depth = 0;
+ lines = 0;
+
+ while (__first != __last)
+ {
+ if (!depth && (*__first == ')' || *__first == ','))
+ break;
+ else if (*__first == '(')
+ ++depth, ++__first;
+ else if (*__first == ')')
+ --depth, ++__first;
+ else if (*__first == '\"')
+ {
+ __first = skip_string_literal (__first, __last);
+ lines += skip_string_literal.lines;
+ }
+ else if (*__first == '\'')
+ {
+ __first = skip_char_literal (__first, __last);
+ lines += skip_char_literal.lines;
+ }
+ else if (*__first == '/')
+ {
+ __first = skip_comment_or_divop (__first, __last);
+ lines += skip_comment_or_divop.lines;
+ }
+ else if (pp_isalpha (*__first) || *__first == '_')
+ {
+ __first = skip_identifier (__first, __last);
+ lines += skip_identifier.lines;
+ }
+ else if (pp_isdigit (*__first))
+ {
+ __first = skip_number (__first, __last);
+ lines += skip_number.lines;
+ }
+ else if (*__first == '\n')
+ {
+ ++__first;
+ ++lines;
+ }
+ else
+ ++__first;
+ }
+
+ return __first;
+ }
+};
+
+} // namespace CPlusPlus
+
+#endif // PP_SCANNER_H
+
+// kate: space-indent on; indent-width 2; replace-tabs on;
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