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<?php
/* Driver template for the PHP_PHP_LexerGenerator_ParserrGenerator parser generator. (PHP port of LEMON)
*/
/**
* This can be used to store both the string representation of
* a token, and any useful meta-data associated with the token.
*
* meta-data should be stored as an array
*/
class PHP_LexerGenerator_ParseryyToken implements ArrayAccess
{
public $string = '';
public $metadata = array();
function __construct($s, $m = array())
{
if ($s instanceof PHP_LexerGenerator_ParseryyToken) {
$this->string = $s->string;
$this->metadata = $s->metadata;
} else {
$this->string = (string) $s;
if ($m instanceof PHP_LexerGenerator_ParseryyToken) {
$this->metadata = $m->metadata;
} elseif (is_array($m)) {
$this->metadata = $m;
}
}
}
function __toString()
{
return $this->_string;
}
function offsetExists($offset)
{
return isset($this->metadata[$offset]);
}
function offsetGet($offset)
{
return $this->metadata[$offset];
}
function offsetSet($offset, $value)
{
if ($offset === null) {
if (isset($value[0])) {
$x = ($value instanceof PHP_LexerGenerator_ParseryyToken) ?
$value->metadata : $value;
$this->metadata = array_merge($this->metadata, $x);
return;
}
$offset = count($this->metadata);
}
if ($value === null) {
return;
}
if ($value instanceof PHP_LexerGenerator_ParseryyToken) {
if ($value->metadata) {
$this->metadata[$offset] = $value->metadata;
}
} elseif ($value) {
$this->metadata[$offset] = $value;
}
}
function offsetUnset($offset)
{
unset($this->metadata[$offset]);
}
}
/** The following structure represents a single element of the
* parser's stack. Information stored includes:
*
* + The state number for the parser at this level of the stack.
*
* + The value of the token stored at this level of the stack.
* (In other words, the "major" token.)
*
* + The semantic value stored at this level of the stack. This is
* the information used by the action routines in the grammar.
* It is sometimes called the "minor" token.
*/
class PHP_LexerGenerator_ParseryyStackEntry
{
public $stateno; /* The state-number */
public $major; /* The major token value. This is the code
** number for the token at this stack level */
public $minor; /* The user-supplied minor token value. This
** is the value of the token */
};
// code external to the class is included here
#line 3 "LexerGenerator\Parser.y"
/* ?><?php {//*/
/**
* PHP_LexerGenerator, a php 5 lexer generator.
*
* This lexer generator translates a file in a format similar to
* re2c ({@link http://re2c.org}) and translates it into a PHP 5-based lexer
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2006, Gregory Beaver <cellog@php.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
* * Neither the name of the PHP_LexerGenerator nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category php
* @package PHP_LexerGenerator
* @author Gregory Beaver <cellog@php.net>
* @copyright 2006 Gregory Beaver
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id$
* @since File available since Release 0.1.0
*/
/**
* For regular expression validation
*/
require_once 'PHP/LexerGenerator/Regex/Lexer.php';
require_once 'PHP/LexerGenerator/Regex/Parser.php';
require_once 'PHP/LexerGenerator/Exception.php';
/**
* Token parser for plex files.
*
* This parser converts tokens pulled from {@link PHP_LexerGenerator_Lexer}
* into abstract patterns and rules, then creates the output file
* @package PHP_LexerGenerator
* @author Gregory Beaver <cellog@php.net>
* @copyright 2006 Gregory Beaver
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version 0.2.0
* @since Class available since Release 0.1.0
*/
#line 166 "LexerGenerator\Parser.php"
// declare_class is output here
#line 2 "LexerGenerator\Parser.y"
class PHP_LexerGenerator_Parser#line 171 "LexerGenerator\Parser.php"
{
/* First off, code is included which follows the "include_class" declaration
** in the input file. */
#line 82 "LexerGenerator\Parser.y"
private $patterns;
private $out;
private $lex;
private $input;
private $counter;
private $token;
private $value;
private $line;
private $_regexLexer;
private $_regexParser;
public $transTable = array(
1 => self::PHPCODE,
2 => self::COMMENTSTART,
3 => self::COMMENTEND,
4 => self::QUOTE,
5 => self::PATTERN,
6 => self::CODE,
7 => self::SUBPATTERN,
8 => self::PI,
);
function __construct($outfile, $lex)
{
$this->out = fopen($outfile, 'wb');
if (!$this->out) {
throw new Exception('unable to open lexer output file "' . $outfile . '"');
}
$this->lex = $lex;
$this->_regexLexer = new PHP_LexerGenerator_Regex_Lexer('');
$this->_regexParser = new PHP_LexerGenerator_Regex_Parser($this->_regexLexer);
}
function outputRules($rules, $statename)
{
static $ruleindex = 1;
$patterns = array();
$pattern = '/';
$ruleMap = array();
$tokenindex = array();
$i = 0;
$actualindex = 1;
foreach ($rules as $rule) {
$ruleMap[$i++] = $actualindex;
$tokenindex[$actualindex] = $rule['subpatterns'];
$actualindex += $rule['subpatterns'] + 1;
$patterns[] = '^(' . $rule['pattern'] . ')';
}
$tokenindex = var_export($tokenindex, true);
$tokenindex = explode("\n", $tokenindex);
// indent for prettiness
$tokenindex = implode("\n ", $tokenindex);
$pattern .= implode('|', $patterns);
$pattern .= '/';
if (!$statename) {
$statename = $ruleindex;
}
fwrite($this->out, '
function yylex' . $ruleindex . '()
{
$tokenMap = ' . $tokenindex . ';
if (' . $this->counter . ' >= strlen(' . $this->input . ')) {
return false; // end of input
}
');
fwrite($this->out, '$yy_global_pattern = "' .
$pattern . '";' . "\n");
fwrite($this->out, '
do {
if (preg_match($yy_global_pattern, substr(' . $this->input . ', ' .
$this->counter .
'), $yymatches)) {
$yysubmatches = $yymatches;
$yymatches = array_filter($yymatches, \'strlen\'); // remove empty sub-patterns
if (!count($yymatches)) {
throw new Exception(\'Error: lexing failed because a rule matched\' .
\'an empty string. Input "\' . substr(' . $this->input . ',
' . $this->counter . ', 5) . \'... state ' . $statename . '\');
}
next($yymatches); // skip global match
' . $this->token . ' = key($yymatches); // token number
if ($tokenMap[' . $this->token . ']) {
// extract sub-patterns for passing to lex function
$yysubmatches = array_slice($yysubmatches, ' . $this->token . ' + 1,
$tokenMap[' . $this->token . ']);
} else {
$yysubmatches = array();
}
' . $this->value . ' = current($yymatches); // token value
$r = $this->{\'yy_r' . $ruleindex . '_\' . ' . $this->token . '}($yysubmatches);
if ($r === null) {
' . $this->counter . ' += strlen($this->value);
' . $this->line . ' += substr_count("\n", ' . $this->value . ');
// accept this token
return true;
} elseif ($r === true) {
// we have changed state
// process this token in the new state
return $this->yylex();
} elseif ($r === false) {
' . $this->counter . ' += strlen($this->value);
' . $this->line . ' += substr_count("\n", ' . $this->value . ');
if (' . $this->counter . ' >= strlen(' . $this->input . ')) {
return false; // end of input
}
// skip this token
continue;
} else {');
fwrite($this->out, ' $yy_yymore_patterns = array(' . "\n");
for($i = 0; count($patterns); $i++) {
unset($patterns[$i]);
fwrite($this->out, ' ' . $ruleMap[$i] . ' => "' .
implode('|', $patterns) . "\",\n");
}
fwrite($this->out, ' );' . "\n");
fwrite($this->out, '
// yymore is needed
do {
if (!strlen($yy_yymore_patterns[' . $this->token . '])) {
throw new Exception(\'cannot do yymore for the last token\');
}
if (preg_match($yy_yymore_patterns[' . $this->token . '],
substr(' . $this->input . ', ' . $this->counter . '), $yymatches)) {
$yymatches = array_filter($yymatches, \'strlen\'); // remove empty sub-patterns
next($yymatches); // skip global match
' . $this->token . ' = key($yymatches); // token number
' . $this->value . ' = current($yymatches); // token value
' . $this->line . ' = substr_count("\n", ' . $this->value . ');
}
} while ($this->{\'yy_r' . $ruleindex . '_\' . ' . $this->token . '}() !== null);
// accept
' . $this->counter . ' += strlen($this->value);
' . $this->line . ' += substr_count("\n", ' . $this->value . ');
return true;
}
} else {
throw new Exception(\'Unexpected input at line\' . ' . $this->line . ' .
\': \' . ' . $this->input . '[' . $this->counter . ']);
}
break;
} while (true);
} // end function
');
if ($statename) {
fwrite($this->out, '
const ' . $statename . ' = ' . $ruleindex . ';
');
}
foreach ($rules as $i => $rule) {
fwrite($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);
}
}