[antlr-interest] Re: 2.7.2a4 ANTLR/C# - build ok, panic shutdown

[Terence Parr]

On Wednesday, December 4, 2002, at 03:08  PM, slightlynew wrote:
> What I wasn't able to get working in Antlr 2.7.2a6 was that third
> parameter that Terence added to the AST constructor syntax: #
> [FOO, "Foo", "FooNode"] (or something like that!)  I couldn't get
> that to work either with Java or C# (having ported Terence's changes
> to the C# action.g).  Antlr rejects the third parameter with a syntax
> error saying "unexpected ','".  Is there something else one needs to
> do, to get Antlr to use the new action.g?

Hmm...the latest version should have that.  I could have sworn I tested 
that.  I updated this java/action.g rule:

protected
AST_CONSTRUCTOR!
         :       '[' (WS)? x:AST_CTOR_ELEMENT (WS)?
                 (',' (WS)? y:AST_CTOR_ELEMENT (WS)? )?
                 (',' (WS)? z:AST_CTOR_ELEMENT (WS)? )? ']'
                 {
                 String args = x.getText();
                 if ( y!=null ) {
                         args += ","+y.getText();
                 }
                 if ( z!=null ) {
                         args += ","+z.getText();
                 }
                 $setText(generator.getASTCreateString(null,args));
                 }
         ;

To allow the 3rd arg.  Hmm....

Ter
--
Co-founder, http://www.jguru.com
Creator, ANTLR Parser Generator: http://www.antlr.org
Lecturer in Comp. Sci., University of San Francisco


 

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