t.g

Java写的词法/语法分析器。可生成JAVA语言或者是C++的词法和语法分析器。并可产生语法分析树和对该树进行遍历

options {
	language="Cpp";
}

{
#include <iostream>
}

class T extends Lexer;
options {
	k=2;
	filter=IGNORE;
	charVocabulary = '\3'..'\177';
}

P : "<p>" ;
BR: "<br>" ;

protected
IGNORE
	:	'<' (~'>')* '>' {std::cout << "invalid tag: " << $getText << std::endl;}
	|	( "\r\n" | '\r' | '\n' ) {newline();}
	|	.
	;