[antlr-interest] Internal error from ANTLR 3.0 when parsing .g file containing '!' without AST generation enabled.

[Sam Ellis]

When converting an ANTLR 2 grammar to ANTLR 3 I came across the following
internal error exception:

[java] ANTLR Parser Generator  Version 3.0 (May 17, 2007)  1989-2007
[java] error(10):  internal error: XYZ.g :
java.lang.IllegalArgumentException: Can't find template tokenRefBang.st
[java] 
org.antlr.stringtemplate.StringTemplateGroup.lookupTemplate(StringTemplateGr
oup.java:485)
...

Searching the mailing list I saw that this was reported a year ago on an
early access 3.0 release:
http://www.antlr.org/pipermail/antlr-interest/2006-April/016122.html

The cause is as stated in the earlier post; I was using '!' without AST
generation enabled. I only mention this again because it looks like this was
not fixed for the 3.0 final release, and I can't see it mentioned in the bug
tracker (and nor do I see how to raise a new bug report).


-- 
Sam Ellis, RVDK Team Leader,
DevSys Product Engineering Group,          Tel: +44 (0) 1223 400516
ARM Ltd., 110 Fulbourn Road,               Fax: +44 (0) 1223 400887
Cambridge, CB1 9NJ                         mailto:Sam.Ellis at arm.com



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