[antlr-interest] A bug in C Target Composite grammar

[Jim Idle]

Can you give me an example of what you were fixing? I do not have any compilation or runtime bugs that I know of. That does not mean they are not there but I need something to test as there are no highlights in this email

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Gokulakannan Somasundaram
> Sent: Monday, February 01, 2010 6:33 AM
> To: antlr-interest at antlr.org
> Subject: [antlr-interest] A bug in C Target Composite grammar
> 
> Hi,
>    I found and fixed a runtime bug for C Target w.r.t composite
> grammar.
> Please do the necessary.
> 
> I am copy-pasting the C.stg file lines, that i changed.
> 
> <if(grammar.directDelegates)>
>     // Initialize the parsers that we are going to delegate some
>     // functions to.
>     //
>     <grammar.directDelegates:
>       {g|ctx-><g:delegateName()> = <g.recognizerName>NewSSD(instream,
> PSRSTATE<grammar.delegators:{g|, <g:delegateName()>}>, ctx);};
> separator="\n">
> <endif>
> <if(grammar.delegators)>
>     // Install the pointers back to parsers that will delegate us to
> perform
> certain functions
>     // for them.
>     //
>     <grammar.delegators:
>          {g|ctx-><g:delegateName()>            = <g:delegateName()>;};
> separator="\n">
> 
>  <if(grammar.directDelegates)>
>     <grammar.directDelegates:
>      {g1|
> <grammar.delegators:{g2|ctx-><g2:delegateName()>-><g1:delegateName()>
> =
> ctx-><g1:delegateName()>;}; separator="\n"> };
>      separator="\n">
>  <endif>
> 
> <endif>
> 
> The first highlighted portion fixed a compile time bug and the second
> portion fixed the runtime bug. I could see similar lines for lexer
> also. But
> i didn't change them. Please take care of this.
> 
> Thanks,
> Gokul.
> 
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