[antlr-interest] ‘Cannot find tokens file’

Hendrik Maryns qwizv9b02 at sneakemail.com
Thu Nov 6 06:43:21 PST 2008


I split up my grammar into three parts, inspired by

So now I have fsqLexer.g, fsqParser.g and fsqTreeParser.g.  The latter
complains that ‘(3): cannot find tokens file
<unset-dir>/fsqParser.tokens’.  Indeed, there is no file
fsqParser.tokens.  fsqParser.g compiles fine, and even from the command
line, no tokens file is created.  What is the solution to this?

fsqTreeParser.g contains the following:

options {
  language = Java;
  ASTLabelType = CommonTree;
  tokenVocab = fsqParser;


options {
  language = Java;
  output = AST;
  tokenVocab = fsqLexer;

fsqLexer.java and fsqParser.java are successfully created,
fsqTreeParser.java is not.

Thanks for suggestions, H.
Hendrik Maryns
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