Bug 162802 - gcj complains regular expressions
gcj complains regular expressions
Status: CLOSED RAWHIDE
Product: Fedora
Classification: Fedora
Component: gcc (Show other bugs)
4
athlon Linux
medium Severity medium
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Assigned To: Tom Tromey
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2005-07-08 14:50 EDT by Ivan Sedo
Modified: 2014-08-11 01:46 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Environment:
Last Closed: 2006-02-13 18:26:39 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Ivan Sedo 2005-07-08 14:50:05 EDT
Description of problem:
I'd like to use tools from 
http://multivalent.sourceforge.net/
but if I try to execute (I only tried it on) Validate, I get this error

Exception in thread "main"
java.lang.ExceptionInInitializerError
   at java.lang.Class.initializeClass()
(/usr/lib/libgcj.so.6.0.0)
   at tool.pdf.Validate.main(java.lang.String[])
(Unknown Source)
   at gnu.java.lang.MainThread.call_main()
(/usr/lib/libgcj.so.6.0.0)
   at gnu.java.lang.MainThread.run()
(/usr/lib/libgcj.so.6.0.0)
Caused by: java.util.regex.PatternSyntaxException: At
position 1 in regular expression pattern:
quantifier (?*+{}) without preceding token
        (?i)\.pdf$
         ^
   at java.util.regex.Pattern.Pattern(java.lang.String,
int) (/usr/lib/libgcj.so.6.0.0)
   at java.util.regex.Pattern.compile(java.lang.String,
int) (/usr/lib/libgcj.so.6.0.0)
   at java.util.regex.Pattern.compile(java.lang.String)
(/usr/lib/libgcj.so.6.0.0)
   at
phelps.io.FileFilterPattern.FileFilterPattern(java.lang.String)
(Unknown Source)
   at multivalent.std.adaptor.pdf.COS.<clinit>()
(Unknown Source)
   at java.lang.Class.initializeClass()
(/usr/lib/libgcj.so.6.0.0)
   ...3 more
Version-Release number of selected component (if applicable):


How reproducible:
always

Steps to Reproduce:
1. try to use it on some file
2.
3.
  
Actual results:
exception raised

Expected results:
should work without exceptions

Additional info:
I contacted the developer of multivalent tool firstly and he wrote, it could be
a gcj issue
Comment 1 Thomas Fitzsimmons 2005-10-01 17:42:52 EDT
This should probably be filed at gcc.gnu.org/bugzilla.  It'd be great to have a
minimal test case for this.  Reassigning to Tom Tromey.
Comment 2 Tom Tromey 2006-01-23 17:00:55 EST
Test case:

import java.util.regex.*;
public class t {
  public static void main(String[] args) {
    System.out.println(Pattern.compile("(?i)\\.pdf$"));
  }
}
Comment 3 Tom Tromey 2006-01-25 19:45:42 EST
Ito's regex fixes in Classpath fix this bug.
I'm investigating whether to pull these into gcc4.1 / fc5
Comment 4 Tom Tromey 2006-02-13 18:26:39 EST
I put the patches in 4.1.
They are either in rawhide now, or will be shortly.
So, I'm closing this.

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