1755 lines
67 KiB
PHP
1755 lines
67 KiB
PHP
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<?php
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/* Driver template for the PHP_PHP_LexerGenerator_ParserrGenerator parser generator. (PHP port of LEMON)
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*/
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/**
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* This can be used to store both the string representation of
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* a token, and any useful meta-data associated with the token.
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*
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* meta-data should be stored as an array
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*/
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class PHP_LexerGenerator_ParseryyToken implements ArrayAccess
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{
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public $string = '';
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public $metadata = array();
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function __construct($s, $m = array())
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{
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if ($s instanceof PHP_LexerGenerator_ParseryyToken) {
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$this->string = $s->string;
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$this->metadata = $s->metadata;
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} else {
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$this->string = (string) $s;
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if ($m instanceof PHP_LexerGenerator_ParseryyToken) {
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$this->metadata = $m->metadata;
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} elseif (is_array($m)) {
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$this->metadata = $m;
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}
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}
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}
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function __toString()
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{
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return $this->_string;
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}
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function offsetExists($offset)
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{
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return isset($this->metadata[$offset]);
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}
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function offsetGet($offset)
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{
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return $this->metadata[$offset];
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}
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function offsetSet($offset, $value)
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{
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if ($offset === null) {
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if (isset($value[0])) {
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$x = ($value instanceof PHP_LexerGenerator_ParseryyToken) ?
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$value->metadata : $value;
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$this->metadata = array_merge($this->metadata, $x);
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return;
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}
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$offset = count($this->metadata);
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}
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if ($value === null) {
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return;
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}
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if ($value instanceof PHP_LexerGenerator_ParseryyToken) {
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if ($value->metadata) {
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$this->metadata[$offset] = $value->metadata;
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}
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} elseif ($value) {
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$this->metadata[$offset] = $value;
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}
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}
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function offsetUnset($offset)
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{
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unset($this->metadata[$offset]);
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}
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}
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/** The following structure represents a single element of the
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* parser's stack. Information stored includes:
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*
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* + The state number for the parser at this level of the stack.
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*
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* + The value of the token stored at this level of the stack.
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* (In other words, the "major" token.)
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*
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* + The semantic value stored at this level of the stack. This is
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* the information used by the action routines in the grammar.
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* It is sometimes called the "minor" token.
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*/
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class PHP_LexerGenerator_ParseryyStackEntry
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{
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public $stateno; /* The state-number */
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public $major; /* The major token value. This is the code
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** number for the token at this stack level */
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public $minor; /* The user-supplied minor token value. This
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** is the value of the token */
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};
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// code external to the class is included here
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#line 3 "LexerGenerator\Parser.y"
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/* ?><?php {//*/
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/**
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* PHP_LexerGenerator, a php 5 lexer generator.
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*
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* This lexer generator translates a file in a format similar to
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* re2c ({@link http://re2c.org}) and translates it into a PHP 5-based lexer
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*
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* PHP version 5
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*
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* LICENSE:
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*
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* Copyright (c) 2006, Gregory Beaver <cellog@php.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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* * Neither the name of the PHP_LexerGenerator nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category php
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* @package PHP_LexerGenerator
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* @author Gregory Beaver <cellog@php.net>
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* @copyright 2006 Gregory Beaver
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
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* @version CVS: $Id$
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* @since File available since Release 0.1.0
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*/
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/**
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* For regular expression validation
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*/
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require_once 'PHP/LexerGenerator/Regex/Lexer.php';
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require_once 'PHP/LexerGenerator/Regex/Parser.php';
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require_once 'PHP/LexerGenerator/Exception.php';
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/**
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* Token parser for plex files.
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*
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* This parser converts tokens pulled from {@link PHP_LexerGenerator_Lexer}
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* into abstract patterns and rules, then creates the output file
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* @package PHP_LexerGenerator
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* @author Gregory Beaver <cellog@php.net>
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* @copyright 2006 Gregory Beaver
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* @license http://www.php.net/license/3_01.txt PHP License 3.01
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* @version 0.2.0
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* @since Class available since Release 0.1.0
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*/
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#line 166 "LexerGenerator\Parser.php"
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// declare_class is output here
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#line 2 "LexerGenerator\Parser.y"
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class PHP_LexerGenerator_Parser#line 171 "LexerGenerator\Parser.php"
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{
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/* First off, code is included which follows the "include_class" declaration
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** in the input file. */
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#line 82 "LexerGenerator\Parser.y"
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private $patterns;
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private $out;
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private $lex;
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private $input;
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private $counter;
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private $token;
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private $value;
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private $line;
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private $_regexLexer;
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private $_regexParser;
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public $transTable = array(
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1 => self::PHPCODE,
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2 => self::COMMENTSTART,
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3 => self::COMMENTEND,
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4 => self::QUOTE,
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5 => self::PATTERN,
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6 => self::CODE,
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7 => self::SUBPATTERN,
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8 => self::PI,
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);
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function __construct($outfile, $lex)
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{
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$this->out = fopen($outfile, 'wb');
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if (!$this->out) {
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throw new Exception('unable to open lexer output file "' . $outfile . '"');
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}
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$this->lex = $lex;
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$this->_regexLexer = new PHP_LexerGenerator_Regex_Lexer('');
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$this->_regexParser = new PHP_LexerGenerator_Regex_Parser($this->_regexLexer);
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}
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function outputRules($rules, $statename)
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{
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static $ruleindex = 1;
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$patterns = array();
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$pattern = '/';
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$ruleMap = array();
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$tokenindex = array();
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$i = 0;
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$actualindex = 1;
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foreach ($rules as $rule) {
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$ruleMap[$i++] = $actualindex;
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$tokenindex[$actualindex] = $rule['subpatterns'];
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$actualindex += $rule['subpatterns'] + 1;
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$patterns[] = '^(' . $rule['pattern'] . ')';
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}
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$tokenindex = var_export($tokenindex, true);
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$tokenindex = explode("\n", $tokenindex);
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// indent for prettiness
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$tokenindex = implode("\n ", $tokenindex);
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$pattern .= implode('|', $patterns);
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$pattern .= '/';
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if (!$statename) {
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$statename = $ruleindex;
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}
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fwrite($this->out, '
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function yylex' . $ruleindex . '()
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{
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$tokenMap = ' . $tokenindex . ';
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if (' . $this->counter . ' >= strlen(' . $this->input . ')) {
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return false; // end of input
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}
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');
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fwrite($this->out, '$yy_global_pattern = "' .
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$pattern . '";' . "\n");
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fwrite($this->out, '
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do {
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if (preg_match($yy_global_pattern, substr(' . $this->input . ', ' .
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$this->counter .
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'), $yymatches)) {
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$yysubmatches = $yymatches;
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$yymatches = array_filter($yymatches, \'strlen\'); // remove empty sub-patterns
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if (!count($yymatches)) {
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throw new Exception(\'Error: lexing failed because a rule matched\' .
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\'an empty string. Input "\' . substr(' . $this->input . ',
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' . $this->counter . ', 5) . \'... state ' . $statename . '\');
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}
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next($yymatches); // skip global match
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' . $this->token . ' = key($yymatches); // token number
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if ($tokenMap[' . $this->token . ']) {
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// extract sub-patterns for passing to lex function
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$yysubmatches = array_slice($yysubmatches, ' . $this->token . ' + 1,
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$tokenMap[' . $this->token . ']);
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} else {
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$yysubmatches = array();
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}
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' . $this->value . ' = current($yymatches); // token value
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$r = $this->{\'yy_r' . $ruleindex . '_\' . ' . $this->token . '}($yysubmatches);
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if ($r === null) {
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' . $this->counter . ' += strlen($this->value);
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' . $this->line . ' += substr_count("\n", ' . $this->value . ');
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// accept this token
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return true;
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} elseif ($r === true) {
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// we have changed state
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// process this token in the new state
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return $this->yylex();
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} elseif ($r === false) {
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' . $this->counter . ' += strlen($this->value);
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' . $this->line . ' += substr_count("\n", ' . $this->value . ');
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if (' . $this->counter . ' >= strlen(' . $this->input . ')) {
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return false; // end of input
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}
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// skip this token
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continue;
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} else {');
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fwrite($this->out, ' $yy_yymore_patterns = array(' . "\n");
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for($i = 0; count($patterns); $i++) {
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unset($patterns[$i]);
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fwrite($this->out, ' ' . $ruleMap[$i] . ' => "' .
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implode('|', $patterns) . "\",\n");
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}
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fwrite($this->out, ' );' . "\n");
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fwrite($this->out, '
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// yymore is needed
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do {
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if (!strlen($yy_yymore_patterns[' . $this->token . '])) {
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throw new Exception(\'cannot do yymore for the last token\');
|
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}
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if (preg_match($yy_yymore_patterns[' . $this->token . '],
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substr(' . $this->input . ', ' . $this->counter . '), $yymatches)) {
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$yymatches = array_filter($yymatches, \'strlen\'); // remove empty sub-patterns
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next($yymatches); // skip global match
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' . $this->token . ' = key($yymatches); // token number
|
||
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' . $this->value . ' = current($yymatches); // token value
|
||
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' . $this->line . ' = substr_count("\n", ' . $this->value . ');
|
||
|
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}
|
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} while ($this->{\'yy_r' . $ruleindex . '_\' . ' . $this->token . '}() !== null);
|
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// accept
|
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' . $this->counter . ' += strlen($this->value);
|
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' . $this->line . ' += substr_count("\n", ' . $this->value . ');
|
||
|
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return true;
|
||
|
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}
|
||
|
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} else {
|
||
|
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throw new Exception(\'Unexpected input at line\' . ' . $this->line . ' .
|
||
|
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\': \' . ' . $this->input . '[' . $this->counter . ']);
|
||
|
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}
|
||
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break;
|
||
|
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} while (true);
|
||
|
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} // end function
|
||
|
|
|
||
|
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');
|
||
|
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if ($statename) {
|
||
|
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fwrite($this->out, '
|
||
|
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const ' . $statename . ' = ' . $ruleindex . ';
|
||
|
|
');
|
||
|
|
}
|
||
|
|
foreach ($rules as $i => $rule) {
|
||
|
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fwrite($this->out, ' function yy_r' . $ruleindex . '_' . $ruleMap[$i] . '($yy_subpatterns)
|
||
|
|
{
|
||
|
|
' . $rule['code'] .
|
||
|
|
' }
|
||
|
|
');
|
||
|
|
}
|
||
|
|
$ruleindex++; // for next set of rules
|
||
|
|
}
|
||
|
|
|
||
|
|
function error($msg)
|
||
|
|
{
|
||
|
|
echo 'Error on line ' . $this->lex->line . ': ' , $msg;
|
||
|
|
}
|
||
|
|
|
||
|
|
function _validatePattern($pattern)
|
||
|
|
{
|
||
|
|
$this->_regexLexer->reset($pattern);
|
||
|
|
try {
|
||
|
|
while ($this->_regexLexer->yylex()) {
|
||
|
|
$this->_regexParser->doParse(
|
||
|
|
$this->_regexLexer->token, $this->_regexLexer->value);
|
||
|
|
}
|
||
|
|
$this->_regexParser->doParse(0, 0);
|
||
|
|
} catch (PHP_LexerGenerator_Exception $e) {
|
||
|
|
$this->error($e->getMessage());
|
||
|
|
throw new PHP_LexerGenerator_Exception('Invalid pattern "' . $pattern . '"');
|
||
|
|
}
|
||
|
|
return $this->_regexParser->result;
|
||
|
|
}
|
||
|
|
#line 357 "LexerGenerator\Parser.php"
|
||
|
|
|
||
|
|
/* Next is all token values, as class constants
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
** These constants (all generated automatically by the parser generator)
|
||
|
|
** specify the various kinds of tokens (terminals) that the parser
|
||
|
|
** understands.
|
||
|
|
**
|
||
|
|
** Each symbol here is a terminal symbol in the grammar.
|
||
|
|
*/
|
||
|
|
const PHPCODE = 1;
|
||
|
|
const COMMENTSTART = 2;
|
||
|
|
const COMMENTEND = 3;
|
||
|
|
const PI = 4;
|
||
|
|
const SUBPATTERN = 5;
|
||
|
|
const CODE = 6;
|
||
|
|
const PATTERN = 7;
|
||
|
|
const QUOTE = 8;
|
||
|
|
const YY_NO_ACTION = 94;
|
||
|
|
const YY_ACCEPT_ACTION = 93;
|
||
|
|
const YY_ERROR_ACTION = 92;
|
||
|
|
|
||
|
|
/* Next are that tables used to determine what action to take based on the
|
||
|
|
** current state and lookahead token. These tables are used to implement
|
||
|
|
** functions that take a state number and lookahead value and return an
|
||
|
|
** action integer.
|
||
|
|
**
|
||
|
|
** Suppose the action integer is N. Then the action is determined as
|
||
|
|
** follows
|
||
|
|
**
|
||
|
|
** 0 <= N < self::YYNSTATE Shift N. That is,
|
||
|
|
** push the lookahead
|
||
|
|
** token onto the stack
|
||
|
|
** and goto state N.
|
||
|
|
**
|
||
|
|
** self::YYNSTATE <= N < self::YYNSTATE+self::YYNRULE Reduce by rule N-YYNSTATE.
|
||
|
|
**
|
||
|
|
** N == self::YYNSTATE+self::YYNRULE A syntax error has occurred.
|
||
|
|
**
|
||
|
|
** N == self::YYNSTATE+self::YYNRULE+1 The parser accepts its
|
||
|
|
** input. (and concludes parsing)
|
||
|
|
**
|
||
|
|
** N == self::YYNSTATE+self::YYNRULE+2 No such action. Denotes unused
|
||
|
|
** slots in the yy_action[] table.
|
||
|
|
**
|
||
|
|
** The action table is constructed as a single large static array $yy_action.
|
||
|
|
** Given state S and lookahead X, the action is computed as
|
||
|
|
**
|
||
|
|
** self::$yy_action[self::$yy_shift_ofst[S] + X ]
|
||
|
|
**
|
||
|
|
** If the index value self::$yy_shift_ofst[S]+X is out of range or if the value
|
||
|
|
** self::$yy_lookahead[self::$yy_shift_ofst[S]+X] is not equal to X or if
|
||
|
|
** self::$yy_shift_ofst[S] is equal to self::YY_SHIFT_USE_DFLT, it means that
|
||
|
|
** the action is not in the table and that self::$yy_default[S] should be used instead.
|
||
|
|
**
|
||
|
|
** The formula above is for computing the action when the lookahead is
|
||
|
|
** a terminal symbol. If the lookahead is a non-terminal (as occurs after
|
||
|
|
** a reduce action) then the static $yy_reduce_ofst array is used in place of
|
||
|
|
** the static $yy_shift_ofst array and self::YY_REDUCE_USE_DFLT is used in place of
|
||
|
|
** self::YY_SHIFT_USE_DFLT.
|
||
|
|
**
|
||
|
|
** The following are the tables generated in this section:
|
||
|
|
**
|
||
|
|
** self::$yy_action A single table containing all actions.
|
||
|
|
** self::$yy_lookahead A table containing the lookahead for each entry in
|
||
|
|
** yy_action. Used to detect hash collisions.
|
||
|
|
** self::$yy_shift_ofst For each state, the offset into self::$yy_action for
|
||
|
|
** shifting terminals.
|
||
|
|
** self::$yy_reduce_ofst For each state, the offset into self::$yy_action for
|
||
|
|
** shifting non-terminals after a reduce.
|
||
|
|
** self::$yy_default Default action for each state.
|
||
|
|
*/
|
||
|
|
const YY_SZ_ACTTAB = 87;
|
||
|
|
static public $yy_action = array(
|
||
|
|
/* 0 */ 33, 31, 58, 58, 3, 50, 50, 57, 44, 39,
|
||
|
|
/* 10 */ 42, 58, 57, 55, 50, 42, 51, 36, 58, 58,
|
||
|
|
/* 20 */ 59, 50, 50, 38, 58, 46, 45, 50, 35, 58,
|
||
|
|
/* 30 */ 17, 2, 50, 93, 52, 16, 18, 6, 24, 19,
|
||
|
|
/* 40 */ 2, 12, 41, 53, 48, 40, 30, 60, 1, 4,
|
||
|
|
/* 50 */ 34, 10, 20, 43, 49, 32, 14, 58, 7, 20,
|
||
|
|
/* 60 */ 50, 8, 20, 9, 20, 37, 47, 11, 20, 56,
|
||
|
|
/* 70 */ 15, 5, 22, 54, 28, 23, 53, 21, 29, 25,
|
||
|
|
/* 80 */ 2, 27, 6, 13, 53, 53, 26,
|
||
|
|
);
|
||
|
|
static public $yy_lookahead = array(
|
||
|
|
/* 0 */ 3, 3, 5, 5, 5, 8, 8, 5, 6, 3,
|
||
|
|
/* 10 */ 8, 5, 5, 6, 8, 8, 3, 3, 5, 5,
|
||
|
|
/* 20 */ 3, 8, 8, 4, 5, 5, 6, 8, 4, 5,
|
||
|
|
/* 30 */ 1, 2, 8, 10, 11, 12, 1, 2, 4, 1,
|
||
|
|
/* 40 */ 2, 7, 5, 1, 5, 8, 16, 8, 2, 5,
|
||
|
|
/* 50 */ 4, 18, 19, 5, 6, 14, 15, 5, 18, 19,
|
||
|
|
/* 60 */ 8, 18, 19, 18, 19, 5, 1, 18, 19, 1,
|
||
|
|
/* 70 */ 7, 2, 13, 1, 17, 13, 20, 19, 4, 13,
|
||
|
|
/* 80 */ 2, 17, 2, 12, 20, 20, 13,
|
||
|
|
);
|
||
|
|
const YY_SHIFT_USE_DFLT = -4;
|
||
|
|
const YY_SHIFT_MAX = 39;
|
||
|
|
static public $yy_shift_ofst = array(
|
||
|
|
/* 0 */ 35, 24, 19, 52, 52, 52, 74, 13, -2, -3,
|
||
|
|
/* 10 */ 14, 6, 37, 38, 34, 37, 29, 78, 80, 78,
|
||
|
|
/* 20 */ 7, 2, 46, 46, 48, 46, 46, 39, 39, 20,
|
||
|
|
/* 30 */ 63, 42, 17, 72, 60, -1, 68, 69, 44, 65,
|
||
|
|
);
|
||
|
|
const YY_REDUCE_USE_DFLT = -1;
|
||
|
|
const YY_REDUCE_MAX = 19;
|
||
|
|
static public $yy_reduce_ofst = array(
|
||
|
|
/* 0 */ 23, 49, 45, 33, 43, 40, 41, 58, 58, 58,
|
||
|
|
/* 10 */ 58, 58, 64, 59, 30, 57, 62, 73, 71, 66,
|
||
|
|
);
|
||
|
|
static public $yyExpectedTokens = array(
|
||
|
|
/* 0 */ array(1, 2, ),
|
||
|
|
/* 1 */ array(4, 5, 8, ),
|
||
|
|
/* 2 */ array(4, 5, 8, ),
|
||
|
|
/* 3 */ array(5, 8, ),
|
||
|
|
/* 4 */ array(5, 8, ),
|
||
|
|
/* 5 */ array(5, 8, ),
|
||
|
|
/* 6 */ array(4, ),
|
||
|
|
/* 7 */ array(3, 5, 8, ),
|
||
|
|
/* 8 */ array(3, 5, 8, ),
|
||
|
|
/* 9 */ array(3, 5, 8, ),
|
||
|
|
/* 10 */ array(3, 5, 8, ),
|
||
|
|
/* 11 */ array(3, 5, 8, ),
|
||
|
|
/* 12 */ array(5, 8, ),
|
||
|
|
/* 13 */ array(1, 2, ),
|
||
|
|
/* 14 */ array(4, 7, ),
|
||
|
|
/* 15 */ array(5, 8, ),
|
||
|
|
/* 16 */ array(1, 2, ),
|
||
|
|
/* 17 */ array(2, ),
|
||
|
|
/* 18 */ array(2, ),
|
||
|
|
/* 19 */ array(2, ),
|
||
|
|
/* 20 */ array(5, 6, 8, ),
|
||
|
|
/* 21 */ array(5, 6, 8, ),
|
||
|
|
/* 22 */ array(2, 4, ),
|
||
|
|
/* 23 */ array(2, 4, ),
|
||
|
|
/* 24 */ array(5, 6, ),
|
||
|
|
/* 25 */ array(2, 4, ),
|
||
|
|
/* 26 */ array(2, 4, ),
|
||
|
|
/* 27 */ array(5, 8, ),
|
||
|
|
/* 28 */ array(5, 8, ),
|
||
|
|
/* 29 */ array(5, 6, ),
|
||
|
|
/* 30 */ array(7, ),
|
||
|
|
/* 31 */ array(1, ),
|
||
|
|
/* 32 */ array(3, ),
|
||
|
|
/* 33 */ array(1, ),
|
||
|
|
/* 34 */ array(5, ),
|
||
|
|
/* 35 */ array(5, ),
|
||
|
|
/* 36 */ array(1, ),
|
||
|
|
/* 37 */ array(2, ),
|
||
|
|
/* 38 */ array(5, ),
|
||
|
|
/* 39 */ array(1, ),
|
||
|
|
/* 40 */ array(),
|
||
|
|
/* 41 */ array(),
|
||
|
|
/* 42 */ array(),
|
||
|
|
/* 43 */ array(),
|
||
|
|
/* 44 */ array(),
|
||
|
|
/* 45 */ array(),
|
||
|
|
/* 46 */ array(),
|
||
|
|
/* 47 */ array(),
|
||
|
|
/* 48 */ array(),
|
||
|
|
/* 49 */ array(),
|
||
|
|
/* 50 */ array(),
|
||
|
|
/* 51 */ array(),
|
||
|
|
/* 52 */ array(),
|
||
|
|
/* 53 */ array(),
|
||
|
|
/* 54 */ array(),
|
||
|
|
/* 55 */ array(),
|
||
|
|
/* 56 */ array(),
|
||
|
|
/* 57 */ array(),
|
||
|
|
/* 58 */ array(),
|
||
|
|
/* 59 */ array(),
|
||
|
|
/* 60 */ array(),
|
||
|
|
);
|
||
|
|
static public $yy_default = array(
|
||
|
|
/* 0 */ 92, 92, 92, 92, 92, 92, 92, 92, 92, 92,
|
||
|
|
/* 10 */ 92, 92, 92, 92, 92, 92, 92, 92, 92, 92,
|
||
|
|
/* 20 */ 92, 92, 64, 62, 92, 65, 63, 72, 73, 92,
|
||
|
|
/* 30 */ 67, 75, 92, 74, 92, 92, 92, 92, 92, 78,
|
||
|
|
/* 40 */ 88, 89, 86, 70, 83, 69, 68, 80, 91, 71,
|
||
|
|
/* 50 */ 84, 79, 61, 77, 76, 82, 81, 87, 85, 66,
|
||
|
|
/* 60 */ 90,
|
||
|
|
);
|
||
|
|
/* The next thing included is series of defines which control
|
||
|
|
** various aspects of the generated parser.
|
||
|
|
** self::YYNOCODE is a number which corresponds
|
||
|
|
** to no legal terminal or nonterminal number. This
|
||
|
|
** number is used to fill in empty slots of the hash
|
||
|
|
** table.
|
||
|
|
** self::YYFALLBACK If defined, this indicates that one or more tokens
|
||
|
|
** have fall-back values which should be used if the
|
||
|
|
** original value of the token will not parse.
|
||
|
|
** self::YYSTACKDEPTH is the maximum depth of the parser's stack.
|
||
|
|
** self::YYNSTATE the combined number of states.
|
||
|
|
** self::YYNRULE the number of rules in the grammar
|
||
|
|
** self::YYERRORSYMBOL is the code number of the error symbol. If not
|
||
|
|
** defined, then do no error processing.
|
||
|
|
*/
|
||
|
|
const YYNOCODE = 21;
|
||
|
|
const YYSTACKDEPTH = 100;
|
||
|
|
const YYNSTATE = 61;
|
||
|
|
const YYNRULE = 31;
|
||
|
|
const YYERRORSYMBOL = 9;
|
||
|
|
const YYERRSYMDT = 'yy0';
|
||
|
|
const YYFALLBACK = 0;
|
||
|
|
/** The next table maps tokens into fallback tokens. If a construct
|
||
|
|
* like the following:
|
||
|
|
*
|
||
|
|
* %fallback ID X Y Z.
|
||
|
|
*
|
||
|
|
* appears in the grammer, then ID becomes a fallback token for X, Y,
|
||
|
|
* and Z. Whenever one of the tokens X, Y, or Z is input to the parser
|
||
|
|
* but it does not parse, the type of the token is changed to ID and
|
||
|
|
* the parse is retried before an error is thrown.
|
||
|
|
*/
|
||
|
|
static public $yyFallback = array(
|
||
|
|
);
|
||
|
|
/**
|
||
|
|
* Turn parser tracing on by giving a stream to which to write the trace
|
||
|
|
* and a prompt to preface each trace message. Tracing is turned off
|
||
|
|
* by making either argument NULL
|
||
|
|
*
|
||
|
|
* Inputs:
|
||
|
|
*
|
||
|
|
* - A stream resource to which trace output should be written.
|
||
|
|
* If NULL, then tracing is turned off.
|
||
|
|
* - A prefix string written at the beginning of every
|
||
|
|
* line of trace output. If NULL, then tracing is
|
||
|
|
* turned off.
|
||
|
|
*
|
||
|
|
* Outputs:
|
||
|
|
*
|
||
|
|
* - None.
|
||
|
|
* @param resource
|
||
|
|
* @param string
|
||
|
|
*/
|
||
|
|
static function Trace($TraceFILE, $zTracePrompt)
|
||
|
|
{
|
||
|
|
if (!$TraceFILE) {
|
||
|
|
$zTracePrompt = 0;
|
||
|
|
} elseif (!$zTracePrompt) {
|
||
|
|
$TraceFILE = 0;
|
||
|
|
}
|
||
|
|
self::$yyTraceFILE = $TraceFILE;
|
||
|
|
self::$yyTracePrompt = $zTracePrompt;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Output debug information to output (php://output stream)
|
||
|
|
*/
|
||
|
|
static function PrintTrace()
|
||
|
|
{
|
||
|
|
self::$yyTraceFILE = fopen('php://output', 'w');
|
||
|
|
self::$yyTracePrompt = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var resource|0
|
||
|
|
*/
|
||
|
|
static public $yyTraceFILE;
|
||
|
|
/**
|
||
|
|
* String to prepend to debug output
|
||
|
|
* @var string|0
|
||
|
|
*/
|
||
|
|
static public $yyTracePrompt;
|
||
|
|
/**
|
||
|
|
* @var int
|
||
|
|
*/
|
||
|
|
public $yyidx; /* Index of top element in stack */
|
||
|
|
/**
|
||
|
|
* @var int
|
||
|
|
*/
|
||
|
|
public $yyerrcnt; /* Shifts left before out of the error */
|
||
|
|
/**
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
public $yystack = array(); /* The parser's stack */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* For tracing shifts, the names of all terminals and nonterminals
|
||
|
|
* are required. The following table supplies these names
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
static public $yyTokenName = array(
|
||
|
|
'$', 'PHPCODE', 'COMMENTSTART', 'COMMENTEND',
|
||
|
|
'PI', 'SUBPATTERN', 'CODE', 'PATTERN',
|
||
|
|
'QUOTE', 'error', 'start', 'lexfile',
|
||
|
|
'declare', 'rules', 'declarations', 'processing_instructions',
|
||
|
|
'pattern_declarations', 'subpattern', 'rule', 'rule_subpattern',
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* For tracing reduce actions, the names of all rules are required.
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
static public $yyRuleName = array(
|
||
|
|
/* 0 */ "start ::= lexfile",
|
||
|
|
/* 1 */ "lexfile ::= declare rules",
|
||
|
|
/* 2 */ "lexfile ::= declare PHPCODE rules",
|
||
|
|
/* 3 */ "lexfile ::= PHPCODE declare rules",
|
||
|
|
/* 4 */ "lexfile ::= PHPCODE declare PHPCODE rules",
|
||
|
|
/* 5 */ "declare ::= COMMENTSTART declarations COMMENTEND",
|
||
|
|
/* 6 */ "declarations ::= processing_instructions pattern_declarations",
|
||
|
|
/* 7 */ "processing_instructions ::= PI SUBPATTERN",
|
||
|
|
/* 8 */ "processing_instructions ::= PI CODE",
|
||
|
|
/* 9 */ "processing_instructions ::= processing_instructions PI SUBPATTERN",
|
||
|
|
/* 10 */ "processing_instructions ::= processing_instructions PI CODE",
|
||
|
|
/* 11 */ "pattern_declarations ::= PATTERN subpattern",
|
||
|
|
/* 12 */ "pattern_declarations ::= pattern_declarations PATTERN subpattern",
|
||
|
|
/* 13 */ "rules ::= COMMENTSTART rule COMMENTEND",
|
||
|
|
/* 14 */ "rules ::= COMMENTSTART PI SUBPATTERN rule COMMENTEND",
|
||
|
|
/* 15 */ "rules ::= COMMENTSTART rule COMMENTEND PHPCODE",
|
||
|
|
/* 16 */ "rules ::= COMMENTSTART PI SUBPATTERN rule COMMENTEND PHPCODE",
|
||
|
|
/* 17 */ "rules ::= rules COMMENTSTART rule COMMENTEND",
|
||
|
|
/* 18 */ "rules ::= rules PI SUBPATTERN COMMENTSTART rule COMMENTEND",
|
||
|
|
/* 19 */ "rules ::= rules COMMENTSTART rule COMMENTEND PHPCODE",
|
||
|
|
/* 20 */ "rules ::= rules COMMENTSTART PI SUBPATTERN rule COMMENTEND PHPCODE",
|
||
|
|
/* 21 */ "rule ::= rule_subpattern CODE",
|
||
|
|
/* 22 */ "rule ::= rule rule_subpattern CODE",
|
||
|
|
/* 23 */ "rule_subpattern ::= QUOTE",
|
||
|
|
/* 24 */ "rule_subpattern ::= SUBPATTERN",
|
||
|
|
/* 25 */ "rule_subpattern ::= rule_subpattern QUOTE",
|
||
|
|
/* 26 */ "rule_subpattern ::= rule_subpattern SUBPATTERN",
|
||
|
|
/* 27 */ "subpattern ::= QUOTE",
|
||
|
|
/* 28 */ "subpattern ::= SUBPATTERN",
|
||
|
|
/* 29 */ "subpattern ::= subpattern QUOTE",
|
||
|
|
/* 30 */ "subpattern ::= subpattern SUBPATTERN",
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This function returns the symbolic name associated with a token
|
||
|
|
* value.
|
||
|
|
* @param int
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function tokenName($tokenType)
|
||
|
|
{
|
||
|
|
if ($tokenType === 0) {
|
||
|
|
return 'End of Input';
|
||
|
|
}
|
||
|
|
if ($tokenType > 0 && $tokenType < count(self::$yyTokenName)) {
|
||
|
|
return self::$yyTokenName[$tokenType];
|
||
|
|
} else {
|
||
|
|
return "Unknown";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following function deletes the value associated with a
|
||
|
|
* symbol. The symbol can be either a terminal or nonterminal.
|
||
|
|
* @param int the symbol code
|
||
|
|
* @param mixed the symbol's value
|
||
|
|
*/
|
||
|
|
static function yy_destructor($yymajor, $yypminor)
|
||
|
|
{
|
||
|
|
switch ($yymajor) {
|
||
|
|
/* Here is inserted the actions which take place when a
|
||
|
|
** terminal or non-terminal is destroyed. This can happen
|
||
|
|
** when the symbol is popped from the stack during a
|
||
|
|
** reduce or during error processing or when a parser is
|
||
|
|
** being destroyed before it is finished parsing.
|
||
|
|
**
|
||
|
|
** Note: during a reduce, the only symbols destroyed are those
|
||
|
|
** which appear on the RHS of the rule, but which are not used
|
||
|
|
** inside the C code.
|
||
|
|
*/
|
||
|
|
default: break; /* If no destructor action specified: do nothing */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Pop the parser's stack once.
|
||
|
|
*
|
||
|
|
* If there is a destructor routine associated with the token which
|
||
|
|
* is popped from the stack, then call it.
|
||
|
|
*
|
||
|
|
* Return the major token number for the symbol popped.
|
||
|
|
* @param PHP_LexerGenerator_ParseryyParser
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
function yy_pop_parser_stack()
|
||
|
|
{
|
||
|
|
if (!count($this->yystack)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
$yytos = array_pop($this->yystack);
|
||
|
|
if (self::$yyTraceFILE && $this->yyidx >= 0) {
|
||
|
|
fwrite(self::$yyTraceFILE,
|
||
|
|
self::$yyTracePrompt . 'Popping ' . self::$yyTokenName[$yytos->major] .
|
||
|
|
"\n");
|
||
|
|
}
|
||
|
|
$yymajor = $yytos->major;
|
||
|
|
self::yy_destructor($yymajor, $yytos->minor);
|
||
|
|
$this->yyidx--;
|
||
|
|
return $yymajor;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Deallocate and destroy a parser. Destructors are all called for
|
||
|
|
* all stack elements before shutting the parser down.
|
||
|
|
*/
|
||
|
|
function __destruct()
|
||
|
|
{
|
||
|
|
while ($this->yyidx >= 0) {
|
||
|
|
$this->yy_pop_parser_stack();
|
||
|
|
}
|
||
|
|
if (is_resource(self::$yyTraceFILE)) {
|
||
|
|
fclose(self::$yyTraceFILE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Based on the current state and parser stack, get a list of all
|
||
|
|
* possible lookahead tokens
|
||
|
|
* @param int
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function yy_get_expected_tokens($token)
|
||
|
|
{
|
||
|
|
$state = $this->yystack[$this->yyidx]->stateno;
|
||
|
|
$expected = self::$yyExpectedTokens[$state];
|
||
|
|
if (in_array($token, self::$yyExpectedTokens[$state], true)) {
|
||
|
|
return $expected;
|
||
|
|
}
|
||
|
|
$stack = $this->yystack;
|
||
|
|
$yyidx = $this->yyidx;
|
||
|
|
do {
|
||
|
|
$yyact = $this->yy_find_shift_action($token);
|
||
|
|
if ($yyact >= self::YYNSTATE && $yyact < self::YYNSTATE + self::YYNRULE) {
|
||
|
|
// reduce action
|
||
|
|
$done = 0;
|
||
|
|
do {
|
||
|
|
if ($done++ == 100) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
// too much recursion prevents proper detection
|
||
|
|
// so give up
|
||
|
|
return array_unique($expected);
|
||
|
|
}
|
||
|
|
$yyruleno = $yyact - self::YYNSTATE;
|
||
|
|
$this->yyidx -= self::$yyRuleInfo[$yyruleno]['rhs'];
|
||
|
|
$nextstate = $this->yy_find_reduce_action(
|
||
|
|
$this->yystack[$this->yyidx]->stateno,
|
||
|
|
self::$yyRuleInfo[$yyruleno]['lhs']);
|
||
|
|
if (isset(self::$yyExpectedTokens[$nextstate])) {
|
||
|
|
$expected += self::$yyExpectedTokens[$nextstate];
|
||
|
|
if (in_array($token,
|
||
|
|
self::$yyExpectedTokens[$nextstate], true)) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
return array_unique($expected);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($nextstate < self::YYNSTATE) {
|
||
|
|
// we need to shift a non-terminal
|
||
|
|
$this->yyidx++;
|
||
|
|
$x = new PHP_LexerGenerator_ParseryyStackEntry;
|
||
|
|
$x->stateno = $nextstate;
|
||
|
|
$x->major = self::$yyRuleInfo[$yyruleno]['lhs'];
|
||
|
|
$this->yystack[$this->yyidx] = $x;
|
||
|
|
continue 2;
|
||
|
|
} elseif ($nextstate == self::YYNSTATE + self::YYNRULE + 1) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
// the last token was just ignored, we can't accept
|
||
|
|
// by ignoring input, this is in essence ignoring a
|
||
|
|
// syntax error!
|
||
|
|
return array_unique($expected);
|
||
|
|
} elseif ($nextstate === self::YY_NO_ACTION) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
// input accepted, but not shifted (I guess)
|
||
|
|
return $expected;
|
||
|
|
} else {
|
||
|
|
$yyact = $nextstate;
|
||
|
|
}
|
||
|
|
} while (true);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
} while (true);
|
||
|
|
return array_unique($expected);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Based on the parser state and current parser stack, determine whether
|
||
|
|
* the lookahead token is possible.
|
||
|
|
*
|
||
|
|
* The parser will convert the token value to an error token if not. This
|
||
|
|
* catches some unusual edge cases where the parser would fail.
|
||
|
|
* @param int
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function yy_is_expected_token($token)
|
||
|
|
{
|
||
|
|
if ($token === 0) {
|
||
|
|
return true; // 0 is not part of this
|
||
|
|
}
|
||
|
|
$state = $this->yystack[$this->yyidx]->stateno;
|
||
|
|
if (in_array($token, self::$yyExpectedTokens[$state], true)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
$stack = $this->yystack;
|
||
|
|
$yyidx = $this->yyidx;
|
||
|
|
do {
|
||
|
|
$yyact = $this->yy_find_shift_action($token);
|
||
|
|
if ($yyact >= self::YYNSTATE && $yyact < self::YYNSTATE + self::YYNRULE) {
|
||
|
|
// reduce action
|
||
|
|
$done = 0;
|
||
|
|
do {
|
||
|
|
if ($done++ == 100) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
// too much recursion prevents proper detection
|
||
|
|
// so give up
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
$yyruleno = $yyact - self::YYNSTATE;
|
||
|
|
$this->yyidx -= self::$yyRuleInfo[$yyruleno]['rhs'];
|
||
|
|
$nextstate = $this->yy_find_reduce_action(
|
||
|
|
$this->yystack[$this->yyidx]->stateno,
|
||
|
|
self::$yyRuleInfo[$yyruleno]['lhs']);
|
||
|
|
if (isset(self::$yyExpectedTokens[$nextstate]) &&
|
||
|
|
in_array($token, self::$yyExpectedTokens[$nextstate], true)) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if ($nextstate < self::YYNSTATE) {
|
||
|
|
// we need to shift a non-terminal
|
||
|
|
$this->yyidx++;
|
||
|
|
$x = new PHP_LexerGenerator_ParseryyStackEntry;
|
||
|
|
$x->stateno = $nextstate;
|
||
|
|
$x->major = self::$yyRuleInfo[$yyruleno]['lhs'];
|
||
|
|
$this->yystack[$this->yyidx] = $x;
|
||
|
|
continue 2;
|
||
|
|
} elseif ($nextstate == self::YYNSTATE + self::YYNRULE + 1) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
if (!$token) {
|
||
|
|
// end of input: this is valid
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// the last token was just ignored, we can't accept
|
||
|
|
// by ignoring input, this is in essence ignoring a
|
||
|
|
// syntax error!
|
||
|
|
return false;
|
||
|
|
} elseif ($nextstate === self::YY_NO_ACTION) {
|
||
|
|
$this->yyidx = $yyidx;
|
||
|
|
$this->yystack = $stack;
|
||
|
|
// input accepted, but not shifted (I guess)
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
$yyact = $nextstate;
|
||
|
|
}
|
||
|
|
} while (true);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
} while (true);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Find the appropriate action for a parser given the terminal
|
||
|
|
* look-ahead token iLookAhead.
|
||
|
|
*
|
||
|
|
* If the look-ahead token is YYNOCODE, then check to see if the action is
|
||
|
|
* independent of the look-ahead. If it is, return the action, otherwise
|
||
|
|
* return YY_NO_ACTION.
|
||
|
|
* @param int The look-ahead token
|
||
|
|
*/
|
||
|
|
function yy_find_shift_action($iLookAhead)
|
||
|
|
{
|
||
|
|
$stateno = $this->yystack[$this->yyidx]->stateno;
|
||
|
|
|
||
|
|
/* if ($this->yyidx < 0) return self::YY_NO_ACTION; */
|
||
|
|
if (!isset(self::$yy_shift_ofst[$stateno])) {
|
||
|
|
// no shift actions
|
||
|
|
return self::$yy_default[$stateno];
|
||
|
|
}
|
||
|
|
$i = self::$yy_shift_ofst[$stateno];
|
||
|
|
if ($i === self::YY_SHIFT_USE_DFLT) {
|
||
|
|
return self::$yy_default[$stateno];
|
||
|
|
}
|
||
|
|
if ($iLookAhead == self::YYNOCODE) {
|
||
|
|
return self::YY_NO_ACTION;
|
||
|
|
}
|
||
|
|
$i += $iLookAhead;
|
||
|
|
if ($i < 0 || $i >= self::YY_SZ_ACTTAB ||
|
||
|
|
self::$yy_lookahead[$i] != $iLookAhead) {
|
||
|
|
if (count(self::$yyFallback) && $iLookAhead < count(self::$yyFallback)
|
||
|
|
&& ($iFallback = self::$yyFallback[$iLookAhead]) != 0) {
|
||
|
|
if (self::$yyTraceFILE) {
|
||
|
|
fwrite(self::$yyTraceFILE, self::$yyTracePrompt . "FALLBACK " .
|
||
|
|
self::$yyTokenName[$iLookAhead] . " => " .
|
||
|
|
self::$yyTokenName[$iFallback] . "\n");
|
||
|
|
}
|
||
|
|
return $this->yy_find_shift_action($iFallback);
|
||
|
|
}
|
||
|
|
return self::$yy_default[$stateno];
|
||
|
|
} else {
|
||
|
|
return self::$yy_action[$i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Find the appropriate action for a parser given the non-terminal
|
||
|
|
* look-ahead token $iLookAhead.
|
||
|
|
*
|
||
|
|
* If the look-ahead token is self::YYNOCODE, then check to see if the action is
|
||
|
|
* independent of the look-ahead. If it is, return the action, otherwise
|
||
|
|
* return self::YY_NO_ACTION.
|
||
|
|
* @param int Current state number
|
||
|
|
* @param int The look-ahead token
|
||
|
|
*/
|
||
|
|
function yy_find_reduce_action($stateno, $iLookAhead)
|
||
|
|
{
|
||
|
|
/* $stateno = $this->yystack[$this->yyidx]->stateno; */
|
||
|
|
|
||
|
|
if (!isset(self::$yy_reduce_ofst[$stateno])) {
|
||
|
|
return self::$yy_default[$stateno];
|
||
|
|
}
|
||
|
|
$i = self::$yy_reduce_ofst[$stateno];
|
||
|
|
if ($i == self::YY_REDUCE_USE_DFLT) {
|
||
|
|
return self::$yy_default[$stateno];
|
||
|
|
}
|
||
|
|
if ($iLookAhead == self::YYNOCODE) {
|
||
|
|
return self::YY_NO_ACTION;
|
||
|
|
}
|
||
|
|
$i += $iLookAhead;
|
||
|
|
if ($i < 0 || $i >= self::YY_SZ_ACTTAB ||
|
||
|
|
self::$yy_lookahead[$i] != $iLookAhead) {
|
||
|
|
return self::$yy_default[$stateno];
|
||
|
|
} else {
|
||
|
|
return self::$yy_action[$i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Perform a shift action.
|
||
|
|
* @param int The new state to shift in
|
||
|
|
* @param int The major token to shift in
|
||
|
|
* @param mixed the minor token to shift in
|
||
|
|
*/
|
||
|
|
function yy_shift($yyNewState, $yyMajor, $yypMinor)
|
||
|
|
{
|
||
|
|
$this->yyidx++;
|
||
|
|
if ($this->yyidx >= self::YYSTACKDEPTH) {
|
||
|
|
$this->yyidx--;
|
||
|
|
if (self::$yyTraceFILE) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sStack Overflow!\n", self::$yyTracePrompt);
|
||
|
|
}
|
||
|
|
while ($this->yyidx >= 0) {
|
||
|
|
$this->yy_pop_parser_stack();
|
||
|
|
}
|
||
|
|
/* Here code is inserted which will execute if the parser
|
||
|
|
** stack ever overflows */
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
$yytos = new PHP_LexerGenerator_ParseryyStackEntry;
|
||
|
|
$yytos->stateno = $yyNewState;
|
||
|
|
$yytos->major = $yyMajor;
|
||
|
|
$yytos->minor = $yypMinor;
|
||
|
|
array_push($this->yystack, $yytos);
|
||
|
|
if (self::$yyTraceFILE && $this->yyidx > 0) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sShift %d\n", self::$yyTracePrompt,
|
||
|
|
$yyNewState);
|
||
|
|
fprintf(self::$yyTraceFILE, "%sStack:", self::$yyTracePrompt);
|
||
|
|
for($i = 1; $i <= $this->yyidx; $i++) {
|
||
|
|
fprintf(self::$yyTraceFILE, " %s",
|
||
|
|
self::$yyTokenName[$this->yystack[$i]->major]);
|
||
|
|
}
|
||
|
|
fwrite(self::$yyTraceFILE,"\n");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following table contains information about every rule that
|
||
|
|
* is used during the reduce.
|
||
|
|
*
|
||
|
|
* <pre>
|
||
|
|
* array(
|
||
|
|
* array(
|
||
|
|
* int $lhs; Symbol on the left-hand side of the rule
|
||
|
|
* int $nrhs; Number of right-hand side symbols in the rule
|
||
|
|
* ),...
|
||
|
|
* );
|
||
|
|
* </pre>
|
||
|
|
*/
|
||
|
|
static public $yyRuleInfo = array(
|
||
|
|
array( 'lhs' => 10, 'rhs' => 1 ),
|
||
|
|
array( 'lhs' => 11, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 11, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 11, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 11, 'rhs' => 4 ),
|
||
|
|
array( 'lhs' => 12, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 14, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 15, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 15, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 15, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 15, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 16, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 16, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 5 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 4 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 6 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 4 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 6 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 5 ),
|
||
|
|
array( 'lhs' => 13, 'rhs' => 7 ),
|
||
|
|
array( 'lhs' => 18, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 18, 'rhs' => 3 ),
|
||
|
|
array( 'lhs' => 19, 'rhs' => 1 ),
|
||
|
|
array( 'lhs' => 19, 'rhs' => 1 ),
|
||
|
|
array( 'lhs' => 19, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 19, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 17, 'rhs' => 1 ),
|
||
|
|
array( 'lhs' => 17, 'rhs' => 1 ),
|
||
|
|
array( 'lhs' => 17, 'rhs' => 2 ),
|
||
|
|
array( 'lhs' => 17, 'rhs' => 2 ),
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following table contains a mapping of reduce action to method name
|
||
|
|
* that handles the reduction.
|
||
|
|
*
|
||
|
|
* If a rule is not set, it has no handler.
|
||
|
|
*/
|
||
|
|
static public $yyReduceMap = array(
|
||
|
|
1 => 1,
|
||
|
|
2 => 2,
|
||
|
|
3 => 3,
|
||
|
|
4 => 4,
|
||
|
|
5 => 5,
|
||
|
|
6 => 6,
|
||
|
|
7 => 7,
|
||
|
|
8 => 7,
|
||
|
|
9 => 9,
|
||
|
|
10 => 9,
|
||
|
|
11 => 11,
|
||
|
|
12 => 12,
|
||
|
|
13 => 13,
|
||
|
|
14 => 14,
|
||
|
|
15 => 15,
|
||
|
|
16 => 16,
|
||
|
|
17 => 17,
|
||
|
|
18 => 18,
|
||
|
|
19 => 19,
|
||
|
|
20 => 20,
|
||
|
|
21 => 21,
|
||
|
|
22 => 22,
|
||
|
|
23 => 23,
|
||
|
|
24 => 24,
|
||
|
|
25 => 25,
|
||
|
|
26 => 26,
|
||
|
|
27 => 27,
|
||
|
|
28 => 28,
|
||
|
|
29 => 29,
|
||
|
|
30 => 30,
|
||
|
|
);
|
||
|
|
/* Beginning here are the reduction cases. A typical example
|
||
|
|
** follows:
|
||
|
|
** #line <lineno> <grammarfile>
|
||
|
|
** function yy_r0($yymsp){ ... } // User supplied code
|
||
|
|
** #line <lineno> <thisfile>
|
||
|
|
*/
|
||
|
|
#line 266 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r1(){
|
||
|
|
fwrite($this->out, '
|
||
|
|
private $_yy_state = 1;
|
||
|
|
private $_yy_stack = array();
|
||
|
|
|
||
|
|
function yylex()
|
||
|
|
{
|
||
|
|
return $this->{\'yylex\' . $this->_yy_state}();
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypushstate($state)
|
||
|
|
{
|
||
|
|
array_push($this->_yy_stack, $this->_yy_state);
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypopstate()
|
||
|
|
{
|
||
|
|
$this->_yy_state = array_pop($this->_yy_stack);
|
||
|
|
}
|
||
|
|
|
||
|
|
function yybegin($state)
|
||
|
|
{
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
');
|
||
|
|
foreach ($this->yystack[$this->yyidx + 0]->minor as $rule) {
|
||
|
|
$this->outputRules($rule['rules'], $rule['statename']);
|
||
|
|
if ($rule['code']) {
|
||
|
|
fwrite($this->out, $rule['code']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#line 1159 "LexerGenerator\Parser.php"
|
||
|
|
#line 300 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r2(){
|
||
|
|
fwrite($this->out, '
|
||
|
|
private $_yy_state = 1;
|
||
|
|
private $_yy_stack = array();
|
||
|
|
|
||
|
|
function yylex()
|
||
|
|
{
|
||
|
|
return $this->{\'yylex\' . $this->_yy_state}();
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypushstate($state)
|
||
|
|
{
|
||
|
|
array_push($this->_yy_stack, $this->_yy_state);
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypopstate()
|
||
|
|
{
|
||
|
|
$this->_yy_state = array_pop($this->_yy_stack);
|
||
|
|
}
|
||
|
|
|
||
|
|
function yybegin($state)
|
||
|
|
{
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
');
|
||
|
|
if (strlen($this->yystack[$this->yyidx + -1]->minor)) {
|
||
|
|
fwrite($this->out, $this->yystack[$this->yyidx + -1]->minor);
|
||
|
|
}
|
||
|
|
foreach ($this->yystack[$this->yyidx + 0]->minor as $rule) {
|
||
|
|
$this->outputRules($rule['rules'], $rule['statename']);
|
||
|
|
if ($rule['code']) {
|
||
|
|
fwrite($this->out, $rule['code']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#line 1198 "LexerGenerator\Parser.php"
|
||
|
|
#line 337 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r3(){
|
||
|
|
if (strlen($this->yystack[$this->yyidx + -2]->minor)) {
|
||
|
|
fwrite($this->out, $this->yystack[$this->yyidx + -2]->minor);
|
||
|
|
}
|
||
|
|
fwrite($this->out, '
|
||
|
|
private $_yy_state = 1;
|
||
|
|
private $_yy_stack = array();
|
||
|
|
|
||
|
|
function yylex()
|
||
|
|
{
|
||
|
|
return $this->{\'yylex\' . $this->_yy_state}();
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypushstate($state)
|
||
|
|
{
|
||
|
|
array_push($this->_yy_stack, $this->_yy_state);
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypopstate()
|
||
|
|
{
|
||
|
|
$this->_yy_state = array_pop($this->_yy_stack);
|
||
|
|
}
|
||
|
|
|
||
|
|
function yybegin($state)
|
||
|
|
{
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
');
|
||
|
|
foreach ($this->yystack[$this->yyidx + 0]->minor as $rule) {
|
||
|
|
$this->outputRules($rule['rules'], $rule['statename']);
|
||
|
|
if ($rule['code']) {
|
||
|
|
fwrite($this->out, $rule['code']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#line 1237 "LexerGenerator\Parser.php"
|
||
|
|
#line 374 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r4(){
|
||
|
|
if (strlen($this->yystack[$this->yyidx + -3]->minor)) {
|
||
|
|
fwrite($this->out, $this->yystack[$this->yyidx + -3]->minor);
|
||
|
|
}
|
||
|
|
fwrite($this->out, '
|
||
|
|
private $_yy_state = 1;
|
||
|
|
private $_yy_stack = array();
|
||
|
|
|
||
|
|
function yylex()
|
||
|
|
{
|
||
|
|
return $this->{\'yylex\' . $this->_yy_state}();
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypushstate($state)
|
||
|
|
{
|
||
|
|
array_push($this->_yy_stack, $this->_yy_state);
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
function yypopstate()
|
||
|
|
{
|
||
|
|
$this->_yy_state = array_pop($this->_yy_stack);
|
||
|
|
}
|
||
|
|
|
||
|
|
function yybegin($state)
|
||
|
|
{
|
||
|
|
$this->_yy_state = $state;
|
||
|
|
}
|
||
|
|
|
||
|
|
');
|
||
|
|
if (strlen($this->yystack[$this->yyidx + -1]->minor)) {
|
||
|
|
fwrite($this->out, $this->yystack[$this->yyidx + -1]->minor);
|
||
|
|
}
|
||
|
|
foreach ($this->yystack[$this->yyidx + 0]->minor as $rule) {
|
||
|
|
$this->outputRules($rule['rules'], $rule['statename']);
|
||
|
|
if ($rule['code']) {
|
||
|
|
fwrite($this->out, $rule['code']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#line 1279 "LexerGenerator\Parser.php"
|
||
|
|
#line 415 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r5(){
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -1]->minor;
|
||
|
|
$this->patterns = $this->yystack[$this->yyidx + -1]->minor['patterns'];
|
||
|
|
}
|
||
|
|
#line 1285 "LexerGenerator\Parser.php"
|
||
|
|
#line 420 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r6(){
|
||
|
|
$expected = array(
|
||
|
|
'counter' => true,
|
||
|
|
'input' => true,
|
||
|
|
'token' => true,
|
||
|
|
'value' => true,
|
||
|
|
'line' => true,
|
||
|
|
);
|
||
|
|
foreach ($this->yystack[$this->yyidx + -1]->minor as $pi) {
|
||
|
|
if (isset($expected[$pi['pi']])) {
|
||
|
|
unset($expected[$pi['pi']]);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (count($expected)) {
|
||
|
|
throw new Exception('Processing Instructions "' .
|
||
|
|
implode(', ', array_keys($expected)) . '" must be defined');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$expected = array(
|
||
|
|
'counter' => true,
|
||
|
|
'input' => true,
|
||
|
|
'token' => true,
|
||
|
|
'value' => true,
|
||
|
|
'line' => true,
|
||
|
|
);
|
||
|
|
foreach ($this->yystack[$this->yyidx + -1]->minor as $pi) {
|
||
|
|
if (isset($expected[$pi['pi']])) {
|
||
|
|
$this->{$pi['pi']} = $pi['definition'];
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$this->error('Unknown processing instruction %' . $pi['pi'] .
|
||
|
|
', should be one of "' . implode(', ', array_keys($expected)) . '"');
|
||
|
|
}
|
||
|
|
$this->_retvalue = array('patterns' => $this->yystack[$this->yyidx + 0]->minor, 'pis' => $this->yystack[$this->yyidx + -1]->minor);
|
||
|
|
}
|
||
|
|
#line 1322 "LexerGenerator\Parser.php"
|
||
|
|
#line 456 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r7(){
|
||
|
|
$this->_retvalue = array(array('pi' => $this->yystack[$this->yyidx + -1]->minor, 'definition' => $this->yystack[$this->yyidx + 0]->minor));
|
||
|
|
}
|
||
|
|
#line 1327 "LexerGenerator\Parser.php"
|
||
|
|
#line 462 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r9(){
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -2]->minor;
|
||
|
|
$this->_retvalue[] = array('pi' => $this->yystack[$this->yyidx + -1]->minor, 'definition' => $this->yystack[$this->yyidx + 0]->minor);
|
||
|
|
}
|
||
|
|
#line 1333 "LexerGenerator\Parser.php"
|
||
|
|
#line 471 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r11(){
|
||
|
|
$this->_retvalue = array($this->yystack[$this->yyidx + -1]->minor => $this->yystack[$this->yyidx + 0]->minor);
|
||
|
|
}
|
||
|
|
#line 1338 "LexerGenerator\Parser.php"
|
||
|
|
#line 474 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r12(){
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -2]->minor;
|
||
|
|
if (isset($this->_retvalue[$this->yystack[$this->yyidx + -1]->minor])) {
|
||
|
|
throw new Exception('Pattern "' . $this->yystack[$this->yyidx + -1]->minor . '" is already defined as "' .
|
||
|
|
$this->_retvalue[$this->yystack[$this->yyidx + -1]->minor] . '", cannot redefine as "' . $this->yystack[$this->yyidx + 0]->minor->string . '"');
|
||
|
|
}
|
||
|
|
$this->_retvalue[$this->yystack[$this->yyidx + -1]->minor] = $this->yystack[$this->yyidx + 0]->minor;
|
||
|
|
}
|
||
|
|
#line 1348 "LexerGenerator\Parser.php"
|
||
|
|
#line 483 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r13(){
|
||
|
|
$this->_retvalue = array(array('rules' => $this->yystack[$this->yyidx + -1]->minor, 'code' => '', 'statename' => ''));
|
||
|
|
}
|
||
|
|
#line 1353 "LexerGenerator\Parser.php"
|
||
|
|
#line 486 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r14(){
|
||
|
|
if ($this->yystack[$this->yyidx + -3]->minor != 'statename') {
|
||
|
|
throw new Exception('Error: only %statename processing instruction ' .
|
||
|
|
'is allowed in rule sections');
|
||
|
|
}
|
||
|
|
$this->_retvalue = array(array('rules' => $this->yystack[$this->yyidx + -1]->minor, 'code' => '', 'statename' => $this->yystack[$this->yyidx + -2]->minor));
|
||
|
|
}
|
||
|
|
#line 1362 "LexerGenerator\Parser.php"
|
||
|
|
#line 493 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r15(){
|
||
|
|
$this->_retvalue = array(array('rules' => $this->yystack[$this->yyidx + -2]->minor, 'code' => $this->yystack[$this->yyidx + 0]->minor, 'statename' => ''));
|
||
|
|
}
|
||
|
|
#line 1367 "LexerGenerator\Parser.php"
|
||
|
|
#line 496 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r16(){
|
||
|
|
if ($this->yystack[$this->yyidx + -4]->minor != 'statename') {
|
||
|
|
throw new Exception('Error: only %statename processing instruction ' .
|
||
|
|
'is allowed in rule sections');
|
||
|
|
}
|
||
|
|
$this->_retvalue = array(array('rules' => $this->yystack[$this->yyidx + -2]->minor, 'code' => $this->yystack[$this->yyidx + 0]->minor, 'statename' => $this->yystack[$this->yyidx + -3]->minor));
|
||
|
|
}
|
||
|
|
#line 1376 "LexerGenerator\Parser.php"
|
||
|
|
#line 503 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r17(){
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -3]->minor;
|
||
|
|
$this->_retvalue[] = array('rules' => $this->yystack[$this->yyidx + -1]->minor, 'code' => '', 'statename' => '');
|
||
|
|
}
|
||
|
|
#line 1382 "LexerGenerator\Parser.php"
|
||
|
|
#line 507 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r18(){
|
||
|
|
if ($this->yystack[$this->yyidx + -4]->minor != 'statename') {
|
||
|
|
throw new Exception('Error: only %statename processing instruction ' .
|
||
|
|
'is allowed in rule sections');
|
||
|
|
}
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -5]->minor;
|
||
|
|
$this->_retvalue[] = array('rules' => $this->yystack[$this->yyidx + -1]->minor, 'code' => '', 'statename' => $this->yystack[$this->yyidx + -3]->minor);
|
||
|
|
}
|
||
|
|
#line 1392 "LexerGenerator\Parser.php"
|
||
|
|
#line 515 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r19(){
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -4]->minor;
|
||
|
|
$this->_retvalue[] = array('rules' => $this->yystack[$this->yyidx + -2]->minor, 'code' => $this->yystack[$this->yyidx + 0]->minor, 'statename' => '');
|
||
|
|
}
|
||
|
|
#line 1398 "LexerGenerator\Parser.php"
|
||
|
|
#line 519 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r20(){
|
||
|
|
if ($this->yystack[$this->yyidx + -4]->minor != 'statename') {
|
||
|
|
throw new Exception('Error: only %statename processing instruction ' .
|
||
|
|
'is allowed in rule sections');
|
||
|
|
}
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -6]->minor;
|
||
|
|
$this->_retvalue[] = array('rules' => $this->yystack[$this->yyidx + -2]->minor, 'code' => $this->yystack[$this->yyidx + 0]->minor, 'statename' => $this->yystack[$this->yyidx + -3]->minor);
|
||
|
|
}
|
||
|
|
#line 1408 "LexerGenerator\Parser.php"
|
||
|
|
#line 528 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r21(){
|
||
|
|
if (@preg_match('/' . $this->yystack[$this->yyidx + -1]->minor[0] . '/', '')) {
|
||
|
|
$this->error('Rule "' . $this->yystack[$this->yyidx + -1]->minor[2] . '" can match the empty string, this will break lexing');
|
||
|
|
}
|
||
|
|
$this->_retvalue = array(array('pattern' => $this->yystack[$this->yyidx + -1]->minor[1], 'code' => $this->yystack[$this->yyidx + 0]->minor, 'subpatterns' => $this->yystack[$this->yyidx + -1]->minor[3]));
|
||
|
|
}
|
||
|
|
#line 1416 "LexerGenerator\Parser.php"
|
||
|
|
#line 534 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r22(){
|
||
|
|
$this->_retvalue = $this->yystack[$this->yyidx + -2]->minor;
|
||
|
|
if (@preg_match('/' . $this->yystack[$this->yyidx + -1]->minor[0] . '/', '')) {
|
||
|
|
$this->error('Rule "' . $this->yystack[$this->yyidx + -1]->minor[2] . '" can match the empty string, this will break lexing');
|
||
|
|
}
|
||
|
|
$this->_retvalue[] = array('pattern' => $this->yystack[$this->yyidx + -1]->minor[1], 'code' => $this->yystack[$this->yyidx + 0]->minor, 'subpatterns' => $this->yystack[$this->yyidx + -1]->minor[3]);
|
||
|
|
}
|
||
|
|
#line 1425 "LexerGenerator\Parser.php"
|
||
|
|
#line 542 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r23(){
|
||
|
|
$this->_retvalue = array(
|
||
|
|
preg_quote($this->yystack[$this->yyidx + 0]->minor, '/'),
|
||
|
|
str_replace(array('\\', '"'), array('\\\\', '\\"'), preg_quote($this->yystack[$this->yyidx + 0]->minor, '/')),
|
||
|
|
'"' . str_replace('"', '\"', $this->yystack[$this->yyidx + 0]->minor) . '"', 0);
|
||
|
|
}
|
||
|
|
#line 1433 "LexerGenerator\Parser.php"
|
||
|
|
#line 548 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r24(){
|
||
|
|
if (!isset($this->patterns[$this->yystack[$this->yyidx + 0]->minor])) {
|
||
|
|
$this->error('Undefined pattern "' . $this->yystack[$this->yyidx + 0]->minor . '" used in rules');
|
||
|
|
throw new Exception('Undefined pattern "' . $this->yystack[$this->yyidx + 0]->minor . '" used in rules');
|
||
|
|
}
|
||
|
|
$this->_retvalue = array($this->patterns[$this->yystack[$this->yyidx + 0]->minor]['pattern'], $this->patterns[$this->yystack[$this->yyidx + 0]->minor]->string, $this->yystack[$this->yyidx + 0]->minor, $this->patterns[$this->yystack[$this->yyidx + 0]->minor]['subpatterns']);
|
||
|
|
}
|
||
|
|
#line 1442 "LexerGenerator\Parser.php"
|
||
|
|
#line 555 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r25(){
|
||
|
|
$this->_retvalue = array(
|
||
|
|
$this->yystack[$this->yyidx + -1]->minor[0] . preg_quote($this->yystack[$this->yyidx + 0]->minor, '/'),
|
||
|
|
$this->yystack[$this->yyidx + -1]->minor[1] . str_replace(array('\\', '"'), array('\\\\', '\\"'), preg_quote($this->yystack[$this->yyidx + 0]->minor, '/')),
|
||
|
|
$this->yystack[$this->yyidx + -1]->minor[2] . ' "' . str_replace('"', '\"', $this->yystack[$this->yyidx + 0]->minor) . '"', $this->yystack[$this->yyidx + -1]->minor[3]);
|
||
|
|
}
|
||
|
|
#line 1450 "LexerGenerator\Parser.php"
|
||
|
|
#line 561 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r26(){
|
||
|
|
if (!isset($this->patterns[$this->yystack[$this->yyidx + 0]->minor])) {
|
||
|
|
$this->error('Undefined pattern "' . $this->yystack[$this->yyidx + 0]->minor . '" used in rules');
|
||
|
|
throw new Exception('Undefined pattern "' . $this->yystack[$this->yyidx + 0]->minor . '" used in rules');
|
||
|
|
}
|
||
|
|
$this->_retvalue = array($this->yystack[$this->yyidx + -1]->minor[0] . $this->patterns[$this->yystack[$this->yyidx + 0]->minor]['pattern'], $this->yystack[$this->yyidx + -1]->minor[1] . $this->patterns[$this->yystack[$this->yyidx + 0]->minor]->string,
|
||
|
|
$this->yystack[$this->yyidx + -1]->minor[2] . ' ' . $this->yystack[$this->yyidx + 0]->minor, $this->yystack[$this->yyidx + -1]->minor[3] + $this->patterns[$this->yystack[$this->yyidx + 0]->minor]['subpatterns']);
|
||
|
|
}
|
||
|
|
#line 1460 "LexerGenerator\Parser.php"
|
||
|
|
#line 570 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r27(){
|
||
|
|
$this->_retvalue = new PHP_LexerGenerator_ParseryyToken(str_replace(array('\\', '"'), array('\\\\', '\\"'), preg_quote($this->yystack[$this->yyidx + 0]->minor, '/')), array(
|
||
|
|
'pattern' => preg_quote($this->yystack[$this->yyidx + 0]->minor, '/'), 'subpatterns' => 0));
|
||
|
|
}
|
||
|
|
#line 1466 "LexerGenerator\Parser.php"
|
||
|
|
#line 574 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r28(){
|
||
|
|
$this->_retvalue = $this->_validatePattern($this->yystack[$this->yyidx + 0]->minor);
|
||
|
|
}
|
||
|
|
#line 1471 "LexerGenerator\Parser.php"
|
||
|
|
#line 577 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r29(){
|
||
|
|
$this->_retvalue = new PHP_LexerGenerator_ParseryyToken($this->yystack[$this->yyidx + -1]->minor->string . str_replace(array('\\', '"'), array('\\\\', '\\"'), preg_quote($this->yystack[$this->yyidx + 0]->minor, '/')), array(
|
||
|
|
'pattern' => $this->yystack[$this->yyidx + -1]->minor['pattern'] . preg_quote($this->yystack[$this->yyidx + 0]->minor, '/'), 'subpatterns' => $this->yystack[$this->yyidx + -1]->minor['subpatterns']));
|
||
|
|
}
|
||
|
|
#line 1477 "LexerGenerator\Parser.php"
|
||
|
|
#line 581 "LexerGenerator\Parser.y"
|
||
|
|
function yy_r30(){
|
||
|
|
$x = $this->_validatePattern($this->yystack[$this->yyidx + 0]->minor);
|
||
|
|
$this->_retvalue = new PHP_LexerGenerator_ParseryyToken($this->yystack[$this->yyidx + -1]->minor->string . $x->string, array(
|
||
|
|
'pattern' => $this->yystack[$this->yyidx + -1]->minor['pattern'] . $x['pattern'],
|
||
|
|
'subpatterns' => $x['subpatterns'] + $this->yystack[$this->yyidx + -1]->minor['subpatterns']));
|
||
|
|
}
|
||
|
|
#line 1485 "LexerGenerator\Parser.php"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* placeholder for the left hand side in a reduce operation.
|
||
|
|
*
|
||
|
|
* For a parser with a rule like this:
|
||
|
|
* <pre>
|
||
|
|
* rule(A) ::= B. { A = 1; }
|
||
|
|
* </pre>
|
||
|
|
*
|
||
|
|
* The parser will translate to something like:
|
||
|
|
*
|
||
|
|
* <code>
|
||
|
|
* function yy_r0(){$this->_retvalue = 1;}
|
||
|
|
* </code>
|
||
|
|
*/
|
||
|
|
private $_retvalue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Perform a reduce action and the shift that must immediately
|
||
|
|
* follow the reduce.
|
||
|
|
*
|
||
|
|
* For a rule such as:
|
||
|
|
*
|
||
|
|
* <pre>
|
||
|
|
* A ::= B blah C. { dosomething(); }
|
||
|
|
* </pre>
|
||
|
|
*
|
||
|
|
* This function will first call the action, if any, ("dosomething();" in our
|
||
|
|
* example), and then it will pop three states from the stack,
|
||
|
|
* one for each entry on the right-hand side of the expression
|
||
|
|
* (B, blah, and C in our example rule), and then push the result of the action
|
||
|
|
* back on to the stack with the resulting state reduced to (as described in the .out
|
||
|
|
* file)
|
||
|
|
* @param int Number of the rule by which to reduce
|
||
|
|
*/
|
||
|
|
function yy_reduce($yyruleno)
|
||
|
|
{
|
||
|
|
//int $yygoto; /* The next state */
|
||
|
|
//int $yyact; /* The next action */
|
||
|
|
//mixed $yygotominor; /* The LHS of the rule reduced */
|
||
|
|
//PHP_LexerGenerator_ParseryyStackEntry $yymsp; /* The top of the parser's stack */
|
||
|
|
//int $yysize; /* Amount to pop the stack */
|
||
|
|
$yymsp = $this->yystack[$this->yyidx];
|
||
|
|
if (self::$yyTraceFILE && $yyruleno >= 0
|
||
|
|
&& $yyruleno < count(self::$yyRuleName)) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sReduce (%d) [%s].\n",
|
||
|
|
self::$yyTracePrompt, $yyruleno,
|
||
|
|
self::$yyRuleName[$yyruleno]);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_retvalue = $yy_lefthand_side = null;
|
||
|
|
if (array_key_exists($yyruleno, self::$yyReduceMap)) {
|
||
|
|
// call the action
|
||
|
|
$this->_retvalue = null;
|
||
|
|
$this->{'yy_r' . self::$yyReduceMap[$yyruleno]}();
|
||
|
|
$yy_lefthand_side = $this->_retvalue;
|
||
|
|
}
|
||
|
|
$yygoto = self::$yyRuleInfo[$yyruleno]['lhs'];
|
||
|
|
$yysize = self::$yyRuleInfo[$yyruleno]['rhs'];
|
||
|
|
$this->yyidx -= $yysize;
|
||
|
|
for($i = $yysize; $i; $i--) {
|
||
|
|
// pop all of the right-hand side parameters
|
||
|
|
array_pop($this->yystack);
|
||
|
|
}
|
||
|
|
$yyact = $this->yy_find_reduce_action($this->yystack[$this->yyidx]->stateno, $yygoto);
|
||
|
|
if ($yyact < self::YYNSTATE) {
|
||
|
|
/* If we are not debugging and the reduce action popped at least
|
||
|
|
** one element off the stack, then we can push the new element back
|
||
|
|
** onto the stack here, and skip the stack overflow test in yy_shift().
|
||
|
|
** That gives a significant speed improvement. */
|
||
|
|
if (!self::$yyTraceFILE && $yysize) {
|
||
|
|
$this->yyidx++;
|
||
|
|
$x = new PHP_LexerGenerator_ParseryyStackEntry;
|
||
|
|
$x->stateno = $yyact;
|
||
|
|
$x->major = $yygoto;
|
||
|
|
$x->minor = $yy_lefthand_side;
|
||
|
|
$this->yystack[$this->yyidx] = $x;
|
||
|
|
} else {
|
||
|
|
$this->yy_shift($yyact, $yygoto, $yy_lefthand_side);
|
||
|
|
}
|
||
|
|
} elseif ($yyact == self::YYNSTATE + self::YYNRULE + 1) {
|
||
|
|
$this->yy_accept();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following code executes when the parse fails
|
||
|
|
*
|
||
|
|
* Code from %parse_fail is inserted here
|
||
|
|
*/
|
||
|
|
function yy_parse_failed()
|
||
|
|
{
|
||
|
|
if (self::$yyTraceFILE) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sFail!\n", self::$yyTracePrompt);
|
||
|
|
}
|
||
|
|
while ($this->yyidx >= 0) {
|
||
|
|
$this->yy_pop_parser_stack();
|
||
|
|
}
|
||
|
|
/* Here code is inserted which will be executed whenever the
|
||
|
|
** parser fails */
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following code executes when a syntax error first occurs.
|
||
|
|
*
|
||
|
|
* %syntax_error code is inserted here
|
||
|
|
* @param int The major type of the error token
|
||
|
|
* @param mixed The minor type of the error token
|
||
|
|
*/
|
||
|
|
function yy_syntax_error($yymajor, $TOKEN)
|
||
|
|
{
|
||
|
|
#line 70 "LexerGenerator\Parser.y"
|
||
|
|
|
||
|
|
echo "Syntax Error on line " . $this->lex->line . ": token '" .
|
||
|
|
$this->lex->value . "' while parsing rule:";
|
||
|
|
foreach ($this->yystack as $entry) {
|
||
|
|
echo $this->tokenName($entry->major) . ' ';
|
||
|
|
}
|
||
|
|
foreach ($this->yy_get_expected_tokens($yymajor) as $token) {
|
||
|
|
$expect[] = self::$yyTokenName[$token];
|
||
|
|
}
|
||
|
|
throw new Exception('Unexpected ' . $this->tokenName($yymajor) . '(' . $TOKEN
|
||
|
|
. '), expected one of: ' . implode(',', $expect));
|
||
|
|
#line 1610 "LexerGenerator\Parser.php"
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following is executed when the parser accepts
|
||
|
|
*
|
||
|
|
* %parse_accept code is inserted here
|
||
|
|
*/
|
||
|
|
function yy_accept()
|
||
|
|
{
|
||
|
|
if (self::$yyTraceFILE) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sAccept!\n", self::$yyTracePrompt);
|
||
|
|
}
|
||
|
|
while ($this->yyidx >= 0) {
|
||
|
|
$stack = $this->yy_pop_parser_stack();
|
||
|
|
}
|
||
|
|
/* Here code is inserted which will be executed whenever the
|
||
|
|
** parser accepts */
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The main parser program.
|
||
|
|
*
|
||
|
|
* The first argument is the major token number. The second is
|
||
|
|
* the token value string as scanned from the input.
|
||
|
|
*
|
||
|
|
* @param int the token number
|
||
|
|
* @param mixed the token value
|
||
|
|
* @param mixed any extra arguments that should be passed to handlers
|
||
|
|
*/
|
||
|
|
function doParse($yymajor, $yytokenvalue)
|
||
|
|
{
|
||
|
|
// $yyact; /* The parser action. */
|
||
|
|
// $yyendofinput; /* True if we are at the end of input */
|
||
|
|
$yyerrorhit = 0; /* True if yymajor has invoked an error */
|
||
|
|
|
||
|
|
/* (re)initialize the parser, if necessary */
|
||
|
|
if ($this->yyidx === null || $this->yyidx < 0) {
|
||
|
|
/* if ($yymajor == 0) return; // not sure why this was here... */
|
||
|
|
$this->yyidx = 0;
|
||
|
|
$this->yyerrcnt = -1;
|
||
|
|
$x = new PHP_LexerGenerator_ParseryyStackEntry;
|
||
|
|
$x->stateno = 0;
|
||
|
|
$x->major = 0;
|
||
|
|
$this->yystack = array();
|
||
|
|
array_push($this->yystack, $x);
|
||
|
|
}
|
||
|
|
$yyendofinput = ($yymajor==0);
|
||
|
|
|
||
|
|
if (self::$yyTraceFILE) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sInput %s\n",
|
||
|
|
self::$yyTracePrompt, self::$yyTokenName[$yymajor]);
|
||
|
|
}
|
||
|
|
|
||
|
|
do {
|
||
|
|
$yyact = $this->yy_find_shift_action($yymajor);
|
||
|
|
if ($yymajor < self::YYERRORSYMBOL &&
|
||
|
|
!$this->yy_is_expected_token($yymajor)) {
|
||
|
|
// force a syntax error
|
||
|
|
$yyact = self::YY_ERROR_ACTION;
|
||
|
|
}
|
||
|
|
if ($yyact < self::YYNSTATE) {
|
||
|
|
$this->yy_shift($yyact, $yymajor, $yytokenvalue);
|
||
|
|
$this->yyerrcnt--;
|
||
|
|
if ($yyendofinput && $this->yyidx >= 0) {
|
||
|
|
$yymajor = 0;
|
||
|
|
} else {
|
||
|
|
$yymajor = self::YYNOCODE;
|
||
|
|
}
|
||
|
|
} elseif ($yyact < self::YYNSTATE + self::YYNRULE) {
|
||
|
|
$this->yy_reduce($yyact - self::YYNSTATE);
|
||
|
|
} elseif ($yyact == self::YY_ERROR_ACTION) {
|
||
|
|
if (self::$yyTraceFILE) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sSyntax Error!\n",
|
||
|
|
self::$yyTracePrompt);
|
||
|
|
}
|
||
|
|
if (self::YYERRORSYMBOL) {
|
||
|
|
/* A syntax error has occurred.
|
||
|
|
** The response to an error depends upon whether or not the
|
||
|
|
** grammar defines an error token "ERROR".
|
||
|
|
**
|
||
|
|
** This is what we do if the grammar does define ERROR:
|
||
|
|
**
|
||
|
|
** * Call the %syntax_error function.
|
||
|
|
**
|
||
|
|
** * Begin popping the stack until we enter a state where
|
||
|
|
** it is legal to shift the error symbol, then shift
|
||
|
|
** the error symbol.
|
||
|
|
**
|
||
|
|
** * Set the error count to three.
|
||
|
|
**
|
||
|
|
** * Begin accepting and shifting new tokens. No new error
|
||
|
|
** processing will occur until three tokens have been
|
||
|
|
** shifted successfully.
|
||
|
|
**
|
||
|
|
*/
|
||
|
|
if ($this->yyerrcnt < 0) {
|
||
|
|
$this->yy_syntax_error($yymajor, $yytokenvalue);
|
||
|
|
}
|
||
|
|
$yymx = $this->yystack[$this->yyidx]->major;
|
||
|
|
if ($yymx == self::YYERRORSYMBOL || $yyerrorhit ){
|
||
|
|
if (self::$yyTraceFILE) {
|
||
|
|
fprintf(self::$yyTraceFILE, "%sDiscard input token %s\n",
|
||
|
|
self::$yyTracePrompt, self::$yyTokenName[$yymajor]);
|
||
|
|
}
|
||
|
|
$this->yy_destructor($yymajor, $yytokenvalue);
|
||
|
|
$yymajor = self::YYNOCODE;
|
||
|
|
} else {
|
||
|
|
while ($this->yyidx >= 0 &&
|
||
|
|
$yymx != self::YYERRORSYMBOL &&
|
||
|
|
($yyact = $this->yy_find_shift_action(self::YYERRORSYMBOL)) >= self::YYNSTATE
|
||
|
|
){
|
||
|
|
$this->yy_pop_parser_stack();
|
||
|
|
}
|
||
|
|
if ($this->yyidx < 0 || $yymajor==0) {
|
||
|
|
$this->yy_destructor($yymajor, $yytokenvalue);
|
||
|
|
$this->yy_parse_failed();
|
||
|
|
$yymajor = self::YYNOCODE;
|
||
|
|
} elseif ($yymx != self::YYERRORSYMBOL) {
|
||
|
|
$u2 = 0;
|
||
|
|
$this->yy_shift($yyact, self::YYERRORSYMBOL, $u2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$this->yyerrcnt = 3;
|
||
|
|
$yyerrorhit = 1;
|
||
|
|
} else {
|
||
|
|
/* YYERRORSYMBOL is not defined */
|
||
|
|
/* This is what we do if the grammar does not define ERROR:
|
||
|
|
**
|
||
|
|
** * Report an error message, and throw away the input token.
|
||
|
|
**
|
||
|
|
** * If the input token is $, then fail the parse.
|
||
|
|
**
|
||
|
|
** As before, subsequent error messages are suppressed until
|
||
|
|
** three input tokens have been successfully shifted.
|
||
|
|
*/
|
||
|
|
if ($this->yyerrcnt <= 0) {
|
||
|
|
$this->yy_syntax_error($yymajor, $yytokenvalue);
|
||
|
|
}
|
||
|
|
$this->yyerrcnt = 3;
|
||
|
|
$this->yy_destructor($yymajor, $yytokenvalue);
|
||
|
|
if ($yyendofinput) {
|
||
|
|
$this->yy_parse_failed();
|
||
|
|
}
|
||
|
|
$yymajor = self::YYNOCODE;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$this->yy_accept();
|
||
|
|
$yymajor = self::YYNOCODE;
|
||
|
|
}
|
||
|
|
} while ($yymajor != self::YYNOCODE && $this->yyidx >= 0);
|
||
|
|
}
|
||
|
|
}
|