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Diffstat (limited to 'util/qlalr/examples/dummy-xml/xml.g')
-rw-r--r-- | util/qlalr/examples/dummy-xml/xml.g | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/util/qlalr/examples/dummy-xml/xml.g b/util/qlalr/examples/dummy-xml/xml.g deleted file mode 100644 index a5d6b6e978..0000000000 --- a/util/qlalr/examples/dummy-xml/xml.g +++ /dev/null @@ -1,242 +0,0 @@ ----------------------------------------------------------------------------- --- --- Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). --- Contact: http://www.qt-project.org/legal --- --- This file is part of the QtCore module of the Qt Toolkit. --- --- $QT_BEGIN_LICENSE:LGPL$ --- Commercial License Usage --- Licensees holding valid commercial Qt licenses may use this file in --- accordance with the commercial license agreement provided with the --- Software or, alternatively, in accordance with the terms contained in --- a written agreement between you and Digia. For licensing terms and --- conditions see http://qt.digia.com/licensing. For further information --- use the contact form at http://qt.digia.com/contact-us. --- --- 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, Digia gives you certain additional --- rights. These rights are described in the Digia Qt LGPL Exception --- version 1.1, included in the file LGPL_EXCEPTION.txt in this package. --- --- GNU General Public License Usage --- Alternatively, this file may be used under the terms of the GNU --- General Public License version 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 the GNU General Public License version 3.0 requirements will be --- met: http://www.gnu.org/copyleft/gpl.html. --- --- --- $QT_END_LICENSE$ --- ----------------------------------------------------------------------------- - -%parser XMLTable - -%impl xmlreader.cpp - -%token LEFT_ANGLE -%token RIGHT_ANGLE -%token ANY - -%start XmlStream - -/. -#ifndef XMLREADER_H -#define XMLREADER_H - -#include <QtCore> -#include <cstdio> -#include <cstdlib> -#include <cstring> -#include "$header" - -class XMLReader: protected $table -{ -public: - XMLReader(const QByteArray &bytes); - ~XMLReader(); - - bool parse(); - - inline int nextToken() - { - switch (*bufptr++) { - case '\0': - return EOF_SYMBOL; - - case '<': - in_tag = true; - return LEFT_ANGLE; - - case '>': - if (! in_tag) - break; - in_tag = false; - return RIGHT_ANGLE; - break; - - } // switch - - return ANY; - } - -protected: - inline void reallocateStack(); - - inline int &sym(int index) - { return stack [tos + index - 1].ival; } - -protected: - int tos; - int stack_size; - - struct StackItem { - int state; - int ival; - }; - - QVarLengthArray<StackItem> stack; - unsigned in_tag: 1; - QByteArray bytes; - const char *bufptr; -}; - -inline void XMLReader::reallocateStack() -{ - if (! stack_size) - stack_size = 128; - else - stack_size <<= 1; - - stack.resize (stack_size); -} - -#endif // XMLREADER_H - -XMLReader::XMLReader(const QByteArray &bytes): - tos(0), - stack_size(0), - bytes(bytes) -{ - bufptr = bytes.constData(); -} - -XMLReader::~XMLReader() -{ -} - -bool XMLReader::parse() -{ - const int INITIAL_STATE = 0; - - in_tag = 0; - bufptr = bytes.constData(); - - int yytoken = -1; - reallocateStack(); - - tos = 0; - stack [++tos].state = INITIAL_STATE; - - while (true) - { - const int state = stack [tos].state; - - if (yytoken == -1 && - TERMINAL_COUNT != action_index [state]) - yytoken = nextToken(); - - int act = t_action (state, yytoken); - - if (act == ACCEPT_STATE) - return true; - - else if (act > 0) - { - if (++tos == stack_size) - reallocateStack(); - - stack [tos].ival = *bufptr; // ### save the token value here - stack [tos].state = act; - yytoken = -1; - } - - else if (act < 0) - { - int r = - act - 1; - - tos -= rhs [r]; - act = stack [tos++].state; - - switch (r) { -./ - - - - -XmlStream: TagOrWord ; -XmlStream: XmlStream TagOrWord ; - -TagOrWord: Tag ; -TagOrWord: ANY ; - -Tag: LEFT_ANGLE TagName RIGHT_ANGLE ; -/. - case $rule_number: { - fprintf (stderr, "*** found a tag\n"); - } break; -./ - -TagName: ANY ; -TagName: TagName ANY ; - - -/. - } // switch - - stack [tos].state = nt_action (act, lhs [r] - TERMINAL_COUNT); - } - - else - { - // ### ERROR RECOVERY HERE - break; - } - } - - return false; -} - - - -///////////////////////////// -// entry point -///////////////////////////// -int main(int, char *argv[]) -{ - QFile f (argv[1]); - - if (f.open(QFile::ReadOnly)) { - QByteArray contents = f.readAll(); - XMLReader parser (contents); - - if (parser.parse()) - printf ("OK\n"); - else - printf ("KO\n"); - } -} - - - - -./ - |