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List:       bcel-dev
Subject:    DO NOT REPLY [Bug 24766] New:  -
From:       bugzilla () apache ! org
Date:       2003-11-18 5:35:05
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=24766

Problem with generic.Instruction in Turkish locale

           Summary: Problem with generic.Instruction in Turkish locale
           Product: BCEL
           Version: 5.1
          Platform: PC
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Main
        AssignedTo: bcel-dev@jakarta.apache.org
        ReportedBy: eh-apache@tangygnat.org


The method 

    generic.Instruction.readInstruction()

calls 

    generic.Instruction.className(short)

which uses toUpperCase() in its implementation.  
This is brittle; in the Turkish locale, for example

 "I".toLowerCase() != "i" 
 "i".toUpperCase() != "I"

This was reported to me at the AspectJ project from an actual user who 
gets 

org.apache.bcel.generic.ClassGenException: Illegal opcode detected.
	at org.apache.bcel.generic.Instruction.readInstruction
(Instruction.java:189)
	at org.apache.bcel.generic.InstructionList.<init>
(InstructionList.java:193)

when using AspectJ (which uses BCEL) under the Turkish locale.  So this
is a problem that's appearing in the wild *smile*.

I may get around to patching it myself before our next release,
in which case I'll probably just rip out the Class.forName stuff inside

    Instruction.readInstruction()

which is the thing really causing the problem (is that there for expansion,
in case users define their own bytecodes?  I'm confused as to why there
isn't just a 256-wide dispatch).

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