[antlr-interest] crash with tree filter

[James Briant]

error(10):  internal error:
com/binaryfinery/comb/javaparser/generated/JavaDef.g :
java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 50
java.util.Vector.set(Vector.java:712)
org.antlr.analysis.DFA.createMinMaxTables(DFA.java:531)
org.antlr.analysis.DFA.createStateTables(DFA.java:435)
org.antlr.codegen.CodeGenerator.genLookaheadDecision(CodeGenerator.java:653)
org.antlr.grammar.v2.CodeGenTreeWalker.block(CodeGenTreeWalker.java:1018)
org.antlr.grammar.v2.CodeGenTreeWalker.rule(CodeGenTreeWalker.java:797)
org.antlr.grammar.v2.CodeGenTreeWalker.rules(CodeGenTreeWalker.java:588)
org.antlr.grammar.v2.CodeGenTreeWalker.grammarSpec(CodeGenTreeWalker.java:530)
org.antlr.grammar.v2.CodeGenTreeWalker.grammar(CodeGenTreeWalker.java:336)
org.antlr.codegen.CodeGenerator.genRecognizer(CodeGenerator.java:432)
org.antlr.Tool.generateRecognizer(Tool.java:641)
org.antlr.Tool.process(Tool.java:454)
org.antlr.mojo.antlr3.Antlr3Mojo.execute(Antlr3Mojo.java:391)
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558)
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:512)
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:482)
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330)
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291)
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
org.codehaus.classworlds.Launcher.main(Launcher.java:375)

This is where it tanks:

switchBlockLabels
    :   ^(SWITCH_BLOCK_LABEL_LIST switchCaseLabels* )
    ;

switchCaseLabels
    :   ^(CASE expression blockStatement*)
    | ^(DEFAULT blockStatement*)
    ;

Any ideas?

Thanks,

Jamie