[antlr-interest] Template Rewrite Rule consumes one more Token than expected
Thomas Karcher
thkarcher at gmx.de
Mon Apr 21 06:18:47 PDT 2008
Hi Felix,
> a * b; \n
> returns "where's the semicolon?", i.e. the trailing semicolon is eaten
> up too...
What do you expect?
> grammar Test;
> statement
> : expression ';'!
The "!" at the end prevents the construction of a ";" node in the
resulting AST, so ...
> tree grammar TestTree;
> expression
> : ^('*' ID ID)
> -> template(text={"where's the semicolon?"}) "<text>"
... doesn't expect any ";" node in the AST ... your example does exactly
what I hope it should do :)
Where do you see the problem?
Thomas
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