[antlr-interest] ANTLR 3 internal error exception
Shmuel Siegel
ssiegel at finjan.com
Tue Jan 9 02:21:55 PST 2007
Using antlrwork 1.0b8 on win xp I get the following error when I try to
generate code
[10:11:11] error(10): internal error: C:\Documents and
Settings\ssiegel\My Documents\ANTLR3\alex.g :
java.util.NoSuchElementException: no such attribute: args in template
context [rewriteTokenRef]
The easiest reproducible grammar involves introducing an artificial
token in the rewrite rule which uses a token type of the matched
pattern. The following example throws the exception on generation.
grammar boo;
options
{
output=AST;
}
token
: tn='x' ty='string' STRING
->^($tn STRING[$ty])
;
STRING
: 'y'
;
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