<?php
class TestLexer
{
private $data;
private $N;
public $token;
public $value;
private $line;
private $state = 1;
function __construct($data)
{
$this->data = $data;
$this->N = 0;
$this->line = 1;
}
/*!lex2php
%input $this->data
%counter $this->N
%token $this->token
%value $this->value
%line $this->line
weirdo = /(test)\1{1,2}/ /(hi)\1/
alpha = /[a-zA-Z]/
alphaplus = /[a-zA-Z]+/
number = /[0-9]/
numerals = /([0-9])+/
whitespace = /[ \t\n]+/
blah = "$"
blahblah = /a\$/
COMPLEX = Z((@import\s+["'`]([\w:?=@&/#._;-]+)["'`];)|(:\s*url\s*\([\s"'`]*([\w:?=@&/#._;-]+)([\s"'`]*\))|<[^>]*\s+(src|href|url)\=[\s"'`]*([\w:?=@&/#._;-]+)[\s"'`]*[^>]*>))Z
*/
/*!lex2php
%statename START
COMPLEX {
echo "complex\n";
var_dump($this->value);
echo " complex subpatterns: \n";
var_dump($yy_subpatterns);
}
"#" weirdo {
echo "weirdo\n";
var_dump($this->value);
echo " weirdo subpatterns: \n";
var_dump($yy_subpatterns);
}
alpha "_" alphaplus numerals {
echo "rule 1\n";
var_dump($this->value);
echo " rule 1 subpatterns: \n";
var_dump($yy_subpatterns);
$this->yypushstate(self::TWO);
}
alpha "_" alphaplus {
echo "rule 2\n";
var_dump($this->value);
echo " rule 2 subpatterns: \n";
var_dump($yy_subpatterns);
$this->yybegin(self::THREE);
}
number number "." numerals {
echo "rule 3\n";
var_dump($this->value);
echo " rule 3 subpatterns: \n";
var_dump($yy_subpatterns);
}
whitespace {
echo "whitespace\n";
echo " whitespace subpatterns: \n";
var_dump($yy_subpatterns);
return false; // skip this token (do not return it)
}
blah {
echo "blah\n";
echo " blah subpatterns: \n";
var_dump($yy_subpatterns);
var_dump($this->value);
}
blahblah {
echo "blahblah\n";
echo " blahblah subpatterns: \n";
var_dump($yy_subpatterns);
var_dump($this->value);
}
*/
/*!lex2php
%statename TWO
alpha alpha {
echo "alpha alpha (state TWO)\n";
var_dump($this->value);
$this->yypopstate();
}
*/
/*!lex2php
%statename THREE
"$" number {
echo "number (state THREE)\n";
$this->yybegin(self::START);
}
*/
}
$a = new TestLexer('a_AB1yk $09.1 a$B_b$1 #testtesthihi <a href="http://www.example.com/s/style.css">');
$a->yylex();
$a->yylex();
$a->yylex();
$a->yylex();
$a->yylex();
$a->yylex();
$a->yylex();
$a->yylex();
$a->yylex();
