diff -r 000000000000 -r 876b1a06bc25 tools/icheck/parser/src/libs/cplusplus/pp-scanner.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/icheck/parser/src/libs/cplusplus/pp-scanner.cpp Wed Aug 25 15:49:42 2010 +0300 @@ -0,0 +1,304 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +/* + Copyright 2005 Roberto Raggi + + 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. +*/ + +#include "pp-scanner.h" +#include "pp-cctype.h" + +using namespace CPlusPlus; + +const char *pp_skip_blanks::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; +} + +const char *pp_skip_whitespaces::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; +} + +const char *pp_skip_comment_or_divop::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: + 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; +} + +const char *pp_skip_identifier::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; +} + +const char *pp_skip_number::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; +} + +const char *pp_skip_string_literal::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: + 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; +} + +const char *pp_skip_char_literal::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: + 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; +} + +const char *pp_skip_argument::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; +} +