[jira] [Created] (GROOVY-9232) Failed to create parser from .g4 files using official ANTLR4.7.2

["Yuli Zhan (Jira)" <ji...@apache.org>]

Yuli Zhan created GROOVY-9232:
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             Summary: Failed to create parser from .g4 files using official ANTLR4.7.2
                 Key: GROOVY-9232
                 URL: https://issues.apache.org/jira/browse/GROOVY-9232
             Project: Groovy
          Issue Type: Bug
          Components: Compiler
    Affects Versions: 3.0.0-beta-3
            Reporter: Yuli Zhan


I was trying to generate a parser from _GroovyLexer.g4_ and _GroovyParser.g4_ using the official distribution of ANTLR4 (4.7.2). However, the following error was thrown:
{code:java}
> antlr -Dlanguage=Go -o parser groovy/GroovyParser.g4
 
warning(83): groovy/GroovyParser.g4:342:10: unsupported option baseContext
warning(83): groovy/GroovyParser.g4:374:10: unsupported option baseContext
warning(83): groovy/GroovyParser.g4:379:10: unsupported option baseContext
warning(83): groovy/GroovyParser.g4:479:10: unsupported option baseContext
warning(83): groovy/GroovyParser.g4:489:10: unsupported option baseContext
error(123): groovy/GroovyParser.g4:788:93: rule alt label castExprAlt redefined in rule expression, originally in rule castOperandExpression
error(123): groovy/GroovyParser.g4:789:93: rule alt label postfixExprAlt redefined in rule expression, originally in rule castOperandExpression
error(123): groovy/GroovyParser.g4:792:93: rule alt label unaryNotExprAlt redefined in rule expression, originally in rule castOperandExpression
error(123): groovy/GroovyParser.g4:798:93: rule alt label unaryAddExprAlt redefined in rule expression, originally in rule castOperandExpression
warning(83): groovy/GroovyParser.g4:883:10: unsupported option baseContext
warning(83): groovy/GroovyParser.g4:1118:10: unsupported option baseContext
warning(83): groovy/GroovyParser.g4:1133:10: unsupported option baseContext{code}
 



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