[antlr-interest] Dynamic scope for lexer rule
Junkman
j at junkwallah.org
Sat May 22 17:37:08 PDT 2010
Greetings,
I've added an attribute with dynamic scoping to a lexer rule, and when
generating code, I'm encountering an "internal error". Listed below is
partial call stack reported:
error(10): internal error: Junkscript.g : java.lang.NullPointerException
org.antlr.grammar.v2.DefineGrammarItemsWalker.ruleScopeSpec(DefineGrammarItemsWalker.java:1050)
at
org.antlr.grammar.v2.DefineGrammarItemsWalker.rule(DefineGrammarItemsWalker.java:891)
at
org.antlr.grammar.v2.DefineGrammarItemsWalker.rules(DefineGrammarItemsWalker.java:576)
at
org.antlr.grammar.v2.DefineGrammarItemsWalker.grammarSpec(DefineGrammarItemsWalker.java:361)
at
org.antlr.grammar.v2.DefineGrammarItemsWalker.grammar(DefineGrammarItemsWalker.java:193)
at org.antlr.tool.Grammar.defineGrammarSymbols(Grammar.java:702)
at
org.antlr.tool.CompositeGrammar.defineGrammarSymbols(CompositeGrammar.java:351)
...
Is dynamic scoping allowed for lexer rule attributes?
Thanks for any info.
J
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