Hi,
I'm writing a grammar which needs more than one lexer (token scope). I
just found a document from ANTLR 2 documents which explains using
"selector" for this purpose.
Is this approach still valid for ANTLR 3? and should I make different
files for different lexers?
When there are more than one parser, what happens to the AST? how can I
use rewrite rules?
For example, in the following example, how can I add this rewrite rule ->
^('javadoc' content)
javadoc
: JAVADOC_OPEN
{
// create a parser to handle the javadoc comment
JavaDocParser jdocparser =
new JavaDocParser(getInputState());
jdocparser.content(); // go parse the comment
}
JAVADOC_CLOSE ;
Regards
- Salmir
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