[antlr-interest] Best way to carry input file name along with ASTs

[Jim Idle]

The token references its input stream, which gives you the file name.
Target? How are you processing things like include files? Track the file
boundaries by token index?

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Bill Andersen
> Sent: Thursday, February 03, 2011 7:24 AM
> To: antlr-interest
> Subject: [antlr-interest] Best way to carry input file name along with
> ASTs
>
> Folks
>
> I have a parser that emits an AST and a number of stages after that.
> At each stage, errors can be detected and I want to emit informative
> error messages about the source of the problem, to include the input
> file name.
>
> I know there are several ways to do it but I'm looking for an easy way
> to have access to the source file name of a given token, even if its
> several passes down the line.
>
> Any suggestions welcome.
>
>   .bill
>
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