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https://issues.apache.org/jira/browse/GROOVY-9712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192381#comment-17192381
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Eric Milles commented on GROOVY-9712:
-------------------------------------
This appears to be limited to return type for method. I was able to compile a
unit and class with non-ascii name, same for field and property. Adding a
method results in parser error for antlr4 parser (but not antlr2).
> groovyc fails when compiling class starting with unicode character
> ------------------------------------------------------------------
>
> Key: GROOVY-9712
> URL: https://issues.apache.org/jira/browse/GROOVY-9712
> Project: Groovy
> Issue Type: Bug
> Components: Compiler
> Affects Versions: 3.0.5
> Environment: Windows 10 version 1809
> Groovy 3.0.5
> Reporter: Ted Lundqvist
> Priority: Major
>
>
> Compiling the code below with groovyc results in the following error message:
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> Ö_ClassWithUlmaut.groovy: 2: Unexpected input: '(' @ line 2, column 41.
> Ö_ClassWithUlmaut getInstance(){
> ^
> 1 error
>
> The file is encoded in Windows-1252 and I'm compiling it with the following
> command:
> \Tools\groovy-3.0.5\bin\groovyc --encoding Windows-1252
> Ö_ClassWithUlmaut.groovy
> Compiling with version 2.5.8 works fine
>
> The problem only seem to occur when the class name starts with a unicode
> character i.e. the problem doesn't occur if the class name has an unicode in
> it as long as it isn't the first character
> Example:
> {code:java}
> class Ö_ClassWithUlmaut {
> static Ö_ClassWithUlmaut getInstance(){
> }
> }
> {code}
>
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