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Path: /data/applications/aps/tikiwiki/14.1-0/standard/htdocs/lib/core/JisonParser/ [ Home ]
File: Phraser.php
<?php
/* Jison generated parser */

class JisonParser_Phraser
{
	var $symbols_ = array();
	var $terminals_ = array();
	var $productions_ = array();
	var $table = array();
	var $defaultActions = array();
	var $version = '0.3.6';
	var $debug = false;

	function __construct()
	{
		//ini_set('error_reporting', E_ALL);
		//ini_set('display_errors', 1);
		
		$accept = 'accept';
		$end = 'end';
		
		//parser
		$this->symbols_ = 		json_decode('{"error":2,"html":3,"contents":4,"EOF":5,"content":6,"TAG":7,"WORD":8,"CHAR":9,"$accept":0,"$end":1}', true);
		$this->terminals_ = 	json_decode('{"2":"error","5":"EOF","7":"TAG","8":"WORD","9":"CHAR"}', true);
		$this->productions_ = 	json_decode('[0,[3,2],[4,1],[4,2],[6,1],[6,1],[6,1]]', true);
		$this->table = 			json_decode('[{"3":1,"4":2,"6":3,"7":[1,4],"8":[1,5],"9":[1,6]},{"1":[3]},{"5":[1,7],"6":8,"7":[1,4],"8":[1,5],"9":[1,6]},{"5":[2,2],"7":[2,2],"8":[2,2],"9":[2,2]},{"5":[2,4],"7":[2,4],"8":[2,4],"9":[2,4]},{"5":[2,5],"7":[2,5],"8":[2,5],"9":[2,5]},{"5":[2,6],"7":[2,6],"8":[2,6],"9":[2,6]},{"1":[2,1]},{"5":[2,3],"7":[2,3],"8":[2,3],"9":[2,3]}]', true);
		$this->defaultActions = json_decode('{"7":[2,1]}', true);
		
		//lexer
		$this->rules = 			array("/^(?:<(.|\\n)*?>+)/","/^(?:(\\w|\\d)+)/","/^(?:(.|\\n|\\s))/","/^(?:$)/");
		$this->conditions = 	json_decode('{"INITIAL":{"rules":[0,1,2,3],"inclusive":true}}', true);
		
		$this->options =		"<@@OPTIONS@@>";
	}
	
	function trace()
	{
		
	}
	
	function parser_performAction(&$thisS, $yytext, $yyleng, $yylineno, $yystate, $S, $_S, $O)
	{
		


switch ($yystate) {
case 1:return $S[$O-1];
break;
case 2:$thisS = $S[$O];
break;
case 3:
		$thisS = $S[$O-1] . $S[$O];
	
break;
case 4:
			$thisS = $this->tagHandler($S[$O]);
		
break;
case 5:
			$thisS = $this->wordHandler($S[$O]);
		
break;
case 6:
			$thisS = $this->charHandler($S[$O]);
		
break;
}

	}

	function parser_lex()
	{
		$token = $this->lexer_lex(); // $end = 1
		$token = (isset($token) ? $token : 1);
		
		// if token isn't its numeric value, convert
		if (isset($this->symbols_[$token]))
			return $this->symbols_[$token];
		
		return $token;
	}
	
	function parseError($str = "", $hash = array())
	{
		throw new Exception($str);
	}
	
	function parse($input)
	{
		$stack = array(0);
		$stackCount = 1;
		
		$vstack = array(null);
		$vstackCount = 1;
		// semantic value stack
		
		$lstack = array($this->yyloc);
		$lstackCount = 1;
		//location stack

		$shifts = 0;
		$reductions = 0;
		$recovering = 0;
		$TERROR = 2;
		
		$this->setInput($input);
		
		$yyval = (object)array();
		$yyloc = $this->yyloc;
		$lstack[] = $yyloc;

		while (true) {
			// retreive state number from top of stack
			$state = $stack[$stackCount - 1];
			// use default actions if available
			if (isset($this->defaultActions[$state])) {
				$action = $this->defaultActions[$state];		
			} else {
				if (empty($symbol) == true) {
					$symbol = $this->parser_lex();
				}
				// read action for current state and first input
				if (isset($this->table[$state][$symbol])) {
					$action = $this->table[$state][$symbol];
				} else {
					$action = '';
				}
			}

			if (empty($action) == true) {
				if (!$recovering) {
					// Report error
					$expected = array();
					foreach($this->table[$state] as $p => $item) {
						if (!empty($this->terminals_[$p]) && $p > 2) {
							$expected[] = $this->terminals_[$p];
						}
					}
					
					$errStr = "Parse error on line " . ($yylineno + 1) . ":\n" . $this->showPosition() . "\nExpecting " . implode(", ", $expected) . ", got '" . $this->terminals_[$symbol] . "'";
			
					$this->parseError($errStr, array(
						"text"=> $this->match,
						"token"=> $symbol,
						"line"=> $this->yylineno,
						"loc"=> $yyloc,
						"expected"=> $expected
					));
				}
	
				// just recovered from another error
				if ($recovering == 3) {
					if ($symbol == $this->EOF) {
						$this->parseError(isset($errStr) ? $errStr : 'Parsing halted.');
					}

					// discard current lookahead and grab another
					$yyleng = $this->yyleng;
					$yytext = $this->yytext;
					$yylineno = $this->yylineno;
					$yyloc = $this->yyloc;
					$symbol = $this->parser_lex();
				}
	
				// try to recover from error
				while (true) {
					// check for error recovery rule in this state
					if (isset($this->table[$state][$TERROR])) {
						break 2;
					}
					if ($state == 0) {
						$this->parseError(isset($errStr) ? $errStr : 'Parsing halted.');
					}
					
					array_slice($stack, 0, 2);
					$stackCount -= 2;
					
					array_slice($vstack, 0, 1);
					$vstackCount -= 1;

					$state = $stack[$stackCount - 1];
				}
	
				$preErrorSymbol = $symbol; // save the lookahead token
				$symbol = $TERROR; // insert generic error symbol as new lookahead
				$state = $stack[$stackCount - 1];
				if (isset($this->table[$state][$TERROR])) {
					$action = $this->table[$state][$TERROR];
				}
				$recovering = 3; // allow 3 real symbols to be shifted before reporting a new error
			}
	
			// this shouldn't happen, unless resolve defaults are off
			if (is_array($action[0])) {
				$this->parseError("Parse Error: multiple actions possible at state: " . $state . ", token: " . $symbol);
			}
			
			switch ($action[0]) {
				case 1:
					// shift
					//$this->shiftCount++;
					$stack[] = $symbol;
					$stackCount++;
					
					$vstack[] = $this->yytext;
					$vstackCount++;
					
					$lstack[] = $this->yyloc;
					$lstackCount++;
					
					$stack[] = $action[1]; // push state
					$stackCount++;

					$symbol = "";
					if (empty($preErrorSymbol)) { // normal execution/no error
						$yyleng = $this->yyleng;
						$yytext = $this->yytext;
						$yylineno = $this->yylineno;
						$yyloc = $this->yyloc;
						if ($recovering > 0) $recovering--;
					} else { // error just occurred, resume old lookahead f/ before error
						$symbol = $preErrorSymbol;
						$preErrorSymbol = "";
					}
					break;
		
				case 2:
					// reduce
					$len = $this->productions_[$action[1]][1];
					// perform semantic action
					$yyval->S = $vstack[$vstackCount - $len];// default to $S = $1
					// default location, uses first token for firsts, last for lasts
					$yyval->_S = array(
                        "first_line"=> 		$lstack[$lstackCount - (isset($len) ? $len : 1)]['first_line'],
                        "last_line"=> 		$lstack[$lstackCount - 1]['last_line'],
                        "first_column"=> 	$lstack[$lstackCount - (isset($len) ? $len : 1)]['first_column'],
                        "last_column"=> 	$lstack[$lstackCount - 1]['last_column']
                    );
					
					$r = $this->parser_performAction($yyval->S, $yytext, $yyleng, $yylineno, $action[1], $vstack, $lstack, $vstackCount - 1);
					
					if (empty($r) == false) {
						return $r;
					}
					
					// pop off stack
					if ($len > 0) {
						$stack = array_slice($stack, 0, -1 * $len * 2);
						$stackCount -= $len * 2;
					
						$vstack = array_slice($vstack, 0, -1 * $len);
						$vstackCount -= $len;
						
						$lstack = array_slice($lstack, 0, -1 * $len);
						$lstackCount -= $len;
					}
					
					$stack[] = $this->productions_[$action[1]][0]; // push nonterminal (reduce)
					$stackCount++;
					
					$vstack[] = $yyval->S;
					$vstackCount++;
					
					$lstack[] = $yyval->_S;
					$lstackCount++;
					
					// goto new state = table[STATE][NONTERMINAL]
					$newState = $this->table[$stack[$stackCount - 2]][$stack[$stackCount - 1]];
					
					$stack[] = $newState;
					$stackCount++;
					
					break;
		
				case 3:
					// accept
					return true;
			}

		}

		return true;
	}


	/* Jison generated lexer */
	var $EOF = 1;
	var $S = "";
	var $yy = "";
	var $yylineno = "";
	var $yyleng = "";
	var $yytext = "";
	var $match = "";
	var $matched = "";
	var $yyloc = array();
	var $conditionsStack = array();
	var $conditionStackCount = 0;
	var $rules = array();
	var $conditions = array();
	var $done = false;
	var $less;
	var $more;
	var $_input;
	var $options;
	
	function setInput($input)
	{
		$this->_input = $input;
		$this->more = $this->less = $this->done = false;
		$this->yylineno = $this->yyleng = 0;
		$this->yytext = $this->matched = $this->match = '';
		$this->conditionStack = array('INITIAL');
		$this->yyloc = array(
			"first_line"=> 1,
			"first_column"=> 0,
			"last_line"=> 1,
			"last_column"=> 0
		);
	}
	
	function input()
	{
		$ch = $this->_input[0];
		$this->yytext .= $ch;
		$this->yyleng++;
		$this->match .= $ch;
		$this->matched .= $ch;
		$lines = preg_match("/\n/", $ch);
		if (count($lines) > 0) $this->yylineno++;
		array_slice($this->_input, 1);
		return $ch;
	}
	
	function unput($ch)
	{
		$this->_input = $ch . $this->_input;
		return $this;
	}
	
	function more()
	{
		$this->more = true;
		return $this;
	}
	
	function pastInput()
	{
		$past = substr($this->matched, 0, strlen($this->matched) - strlen($this->match));
		return (strlen($past) > 20 ? '...' : '') . preg_replace("/\n/", "", substr($past, -20));
	}
	
	function upcomingInput()
	{
		$next = $this->match;
		if (strlen($next) < 20) {
			$next .= substr($this->_input, 0, 20 - strlen($next));
		}
		return preg_replace("/\n/", "", substr($next, 0, 20) . (strlen($next) > 20 ? '...' : ''));
	}
	
	function showPosition()
	{
		$pre = $this->pastInput();

		$c = '';
		for($i = 0, $preLength = strlen($pre); $i < $preLength; $i++) {
			$c .= '-';
		}

		return $pre . $this->upcomingInput() . "\n" . $c . "^";
	}
	
	function next()
	{
		if ($this->done == true) return $this->EOF;
		
		if (empty($this->_input)) $this->done = true;

		if ($this->more == false) {
			$this->yytext = '';
			$this->match = '';
		}

		$rules = $this->_currentRules();
		for ($i = 0, $j = count($rules); $i < $j; $i++) {
			preg_match($this->rules[$rules[$i]], $this->_input, $tempMatch);
            if ($tempMatch && (empty($match) || count($tempMatch[0]) > count($match[0]))) {
                $match = $tempMatch;
                $index = $i;
                if (isset($this->options->flex) && $this->options->flex == false) break;
            }
		}
		if ( $match ) {
			$matchCount = strlen($match[0]);
			$lineCount = preg_match("/\n.*/", $match[0], $lines);

			if ($lineCount > 1) $this->yylineno += $lineCount;
			$this->yyloc = array(
				"first_line"=> $this->yyloc['last_line'],
				"last_line"=> $this->yylineno + 1,
				"first_column"=> $this->yyloc['last_column'],
				"last_column"=> $lines ? count($lines[$lineCount - 1]) - 1 : $this->yyloc['last_column'] + $matchCount
			);
			$this->yytext .= $match[0];
			$this->match .= $match[0];
			$this->yyleng = strlen($this->yytext);
			$this->more = false;
			$this->_input = substr($this->_input, $matchCount, strlen($this->_input));
			$this->matched .= $match[0];
			$token = $this->lexer_performAction($this->yy, $this, $rules[$index], $this->conditionStack[$this->conditionStackCount]);

			if ($this->done == true && empty($this->_input) == false) $this->done = false;

			if (empty($token) == false) {
				return $token;
			} else {
				return;
			}
		}
		
		if (empty($this->_input)) {
			return $this->EOF;
		} else {
			$this->parseError("Lexical error on line " . ($this->yylineno + 1) . ". Unrecognized text.\n" . $this->showPosition(), array(
				"text"=> "",
				"token"=> null,
				"line"=> $this->yylineno
			));
		}
	}
	
	function lexer_lex()
	{
		$r = $this->next();
		
		while (empty($r) && $this->done == false) {
			$r = $this->next();
		}
		
		return $r;
	}
	
	function begin($condition)
	{
		$this->conditionStackCount++;
		$this->conditionStack[] = $condition;
	}
	
	function popState()
	{
		$this->conditionStackCount--;
		return array_pop($this->conditionStack);
	}
	
	function _currentRules()
	{
		return $this->conditions[
			$this->conditionStack[
				$this->conditionStackCount
			]
		]['rules'];
	}
	
	function lexer_performAction(&$yy, $yy_, $avoiding_name_collisions, $YY_START = null)
	{
		$YYSTATE = $YY_START;
		


switch($avoiding_name_collisions) {
case 0:return 7;
break;
case 1:return 8;
break;
case 2:return 9;
break;
case 3:return 5;
break;
}

	}
}