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

Bill Andersen bill.andersen at mac.com
Thu Feb 3 07:23:47 PST 2011


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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