[antlr-interest] Problem with "C" code generation on tree parser

[Ramon Verbruggen]

Harmon,

I'm happily using ANTLR 3.0.1 with the C runtime and Visual Studio
2005, the options in my grammar look like this:

options 
{
	output=AST;

	//For debugging with ANTLRWorks, comment out the following two
lines:
	language=C;
	ASTLabelType=pANTLR3_BASE_TREE; // <==== I think this is your
problem
}

My grammar is not a tree grammar though if I understand the terminology
correctly: it just takes text as input and produces an AST as output. If
I am not mistaken a tree grammar in ANTLR is a grammar that operates on
a tree, i.e. takes a tree as input.

> Since C++ code generation is not available for 3.0.1, I'm trying to
> interface to the "C"-generated code.
> 
>
> The options in the ".g" file are:
>
>options {
>
>  language=C;
>
>  output=AST;
>
>  tokenVocab=MatLab;
>
>  ASTLabelType=CommonTree;
>
>}
>
I hope this helps,

Ramon
 


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