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Compiler error: "Unexpected operator for unary expression"
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Axel Kramer  
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 More options Aug 15 2006, 5:04 pm
From: "Axel Kramer" <axel...@gmail.com>
Date: Tue, 15 Aug 2006 21:04:33 -0000
Local: Tues, Aug 15 2006 5:04 pm
Subject: Compiler error: "Unexpected operator for unary expression"
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Hello

After changing a lot of my code today and running tests in "hosted
mode" working fine,
I tried to compile with the 1.1.0 compiler and get the following stack
trace.

Anyone has an idea why this happens?

C:\>C:\eclipse32rc\workspace\info.bliki.wiki\Wi
ki-compile.cmd
Output will be written into
C:\eclipse32rc\workspace\info.bliki.wiki\www\info.bl
iki.wiki.Wiki
   Analyzing permutation #1
      [ERROR] Unexpected internal compiler error
com.google.gwt.dev.jjs.impl.InternalCompilerException: Error during
dispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processMethod(GenerateJavaAST.java:1094)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processType(GenerateJavaAST.java:253)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST.exec(GenerateJavaAST.java
:1814)
        at
com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.compile(JavaToJavaScr
iptCompiler.java:267)
        at
com.google.gwt.dev.GWTCompiler.realizePermutation(GWTCompiler.java:59
0)
        at
com.google.gwt.dev.GWTCompiler.compilePermutations(GWTCompiler.java:3
38)
        at com.google.gwt.dev.GWTCompiler.distill(GWTCompiler.java:287)
        at com.google.gwt.dev.GWTCompiler.run(GWTCompiler.java:621)
        at com.google.gwt.dev.GWTCompiler.main(GWTCompiler.java:189)
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1172)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1311)
        at sun.reflect.GeneratedMethodAccessor37.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 10 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1342)
        at sun.reflect.GeneratedMethodAccessor32.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 17 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1172)
        at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 23 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatements(GenerateJavaAST.java:1351)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1294)
        at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 29 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1254)
        at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 36 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1172)
        at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 42 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1172)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1311)
        at sun.reflect.GeneratedMethodAccessor37.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 48 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatements(GenerateJavaAST.java:1351)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1294)
        at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 55 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1254)
        at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:274)
        ... 62 more
Caused by: com.google.gwt.dev.jjs.impl.InternalCompilerException: Error
during d
ispatch
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispatch(GenerateJavaAST.java:286)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
dispProcessStatement(GenerateJavaAST.java:318)
        at
com.google.gwt.dev.jjs.impl.GenerateJavaAST$JavaASTGenerationVisitor.
processStatement(GenerateJavaAST.java:1172)
        at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at
...

read more »


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Scott Blum  
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 More options Aug 15 2006, 7:41 pm
From: "Scott Blum" <sco...@google.com>
Date: Tue, 15 Aug 2006 16:41:37 -0700
Local: Tues, Aug 15 2006 7:41 pm
Subject: Re: Compiler error: "Unexpected operator for unary expression"
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Hi Axel,

I'm pretty surprised by this bug, I could have sworn I was handling all
of the valid unary operators.  There's -, !, and ~.  Did I forget one?

If you can send me your project, I'd really like to figure this one
out.

Thanks!
Scott


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Scott Blum  
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 More options Aug 15 2006, 7:48 pm
From: "Scott Blum" <sco...@google.com>
Date: Tue, 15 Aug 2006 16:48:27 -0700
Local: Tues, Aug 15 2006 7:48 pm
Subject: Re: Compiler error: "Unexpected operator for unary expression"
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Actually, before you do that, see if you're using a (no really, I'm
serious) unary plus operator somewhere in your code.  Something like:

x = +y;

D'OH!  I can't believe I missed this case.  Actually, I guess I can
since the operator doesn't actually *do* anything.

--red-faced Scott


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Axel Kramer  
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 More options Aug 16 2006, 3:07 pm
From: "Axel Kramer" <axel...@gmail.com>
Date: Wed, 16 Aug 2006 19:07:18 -0000
Local: Wed, Aug 16 2006 3:07 pm
Subject: Re: Compiler error: "Unexpected operator for unary expression"
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Yes it's indeed the unary "+" Operator.
After deleting the operator in one of my files it works.

Thanks.

--
Axel Kramer
Blog: http://groovy-news.org/e/page/axelclk


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