[antlr-interest] Reading rule modifiers from common tree

[Matt Palmer]

Selim,

I may have misunderstood your problem, but fragment rules don't form tokens
in the output.  They are just convenient patterns to re-use in other, actual
tokens.

Regards,

Matt

On 14 July 2010 17:28, Selim Ciraci <ciraci at gmail.com> wrote:

> Hi all,
>
> I'm trying to write a program to parse a grammar file, modify it and write
> it back as a grammar file. For this I use the builtin parser:
> org.antlr.grammar.v3.ANTLRv3Lexer, org.antlr.grammar.v3.ANTLRv3Parser.
> Everything seems to work ok but somehow the modifier of a rule is not
> visible from the rule node.
> For example: I have the following rule: fragment A:('a'|'A');
>
> When I do a toStringTree() on the rule node I get the following output
> (RULE A (BLOCK (ALT (BLOCK (ALT 'a' EOA) (ALT 'A' EOA) EOB) EOA) EOB) EOR)
>
> somehow the fragment is missing and I cannot access the modifier of the
> rule. is there something I'm doing wrong here? if so how can I access the
> modifier?
>
> With kind regards,
> Selim Ciraci
>
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