[antlr-interest] Build errors for ANTLR 3.13

[Matt Benson]

I sent the following updated build.xml to a couple of
folks the other day; give it a try and let us know
here.  A better fix would be for the ANTLR distro
_not_ to include the generated files in the src tree,
but until then...

HTH,
Matt

--- Christian Schladetsch
<christian.schladetsch at gmail.com> wrote:

> Hello,
> 
> When attempting to build ANTLR  3.13 from source, I
> get a set of 'duplicate
> class' compile-time errors in generated code:
> 
> generator-prepare:
>     [mkdir] Created dir:
> E:\Dev\Antlr\antlr-2008-03-13.12\codegen
>      [copy] Copying 6 files to
> E:\Dev\Antlr\antlr-2008-03-13.12\codegen
> 
> generator:
>     [antlr] ANTLR Parser Generator   Version 2.7.7
> (20060906)   1989-2005
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\antlr.g:904:
> warning:nongreedy block may exit incorrectly due
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\antlr.g:904:
>         to
> limitations of linear approximate lookahead (first
> k-1 sets
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\antlr.g:904:
>         in
> lookahead not singleton).
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\antlr.g:1082:
> warning:nongreedy block may exit incorrectly due
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\antlr.g:1082:
>  to limitations of linear approximate lookahead
> (first k-1 sets
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\antlr.g:1082:
>  in lookahead not singleton).
>     [antlr] ANTLR Parser Generator   Version 2.7.7
> (20060906)   1989-2005
>     [antlr] ANTLR Parser Generator   Version 2.7.7
> (20060906)   1989-2005
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\assign.types.g:387:18:
> warning:Rule 'optionsSpec' returns a value
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\assign.types.g:467:13:
> warning:Rule 'optionsSpec' returns a value
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\assign.types.g:490:14:
> warning:Rule 'optionsSpec' returns a value
>     [antlr] ANTLR Parser Generator   Version 2.7.7
> (20060906)   1989-2005
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\buildnfa.g:297:19:
> warning:Rule 'atom' returns a value
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\buildnfa.g:297:32:
> warning:Rule 'atom' returns a value
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\buildnfa.g:309:20:
> warning:Rule 'block' returns a value
>     [antlr] ANTLR Parser Generator   Version 2.7.7
> (20060906)   1989-2005
>     [antlr]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\define.g:252:24:
> warning:Rule 'modifier' returns a value
>     [antlr] ANTLR Parser Generator   Version 2.7.7
> (20060906)   1989-2005
> 
> compile-rt:
>     [mkdir] Created dir:
> E:\Dev\Antlr\antlr-2008-03-13.12\build\rtclasses
>   [myjavac] Compiling 74 source files to
> E:\Dev\Antlr\antlr-2008-03-13.12\build\rtclasses
>   [myjavac] Note: Some input files use unchecked or
> unsafe operations.
>   [myjavac] Note: Recompile with -Xlint:unchecked
> for details.
> 
> compile:
>     [mkdir] Created dir:
> E:\Dev\Antlr\antlr-2008-03-13.12\build\classes
>   [myjavac] Compiling 141 source files to
> E:\Dev\Antlr\antlr-2008-03-13.12\build\classes
>   [myjavac]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\ANTLRLexer.java:61:
> duplicate class: org.antlr.tool.ANTLRLexer
>   [myjavac] public class ANTLRLexer extends
> antlr.CharScanner implements
> ANTLRTokenTypes, TokenStream
>   [myjavac]        ^
>   [myjavac]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\ANTLRParser.java:72:
> duplicate class: org.antlr.tool.ANTLRParser
>   [myjavac] public class ANTLRParser extends
> antlr.LLkParser
> implements ANTLRTokenTypes
>   [myjavac]        ^
>   [myjavac]
>
E:\Dev\Antlr\antlr-2008-03-13.12\codegen\ANTLRTokenTypes.java:37:
> duplicate
> class: org.antlr.tool.ANTLRTokenTypes
>   [myjavac] public interface ANTLRTokenTypes {
>   [myjavac]        ^
> 
> Any suggestions would be greatly appreciated.
> 
> Regards,
> Chrisian.
> 

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