Protoeditor debugger frontend / Discussion / Help (Closed): Protoeditor DBG crashes

Pavel Shevaev - 2007-08-09

Hi, I'm using Protoeditor from Subversion and experience fatal crashes when debugging some scripts with DBG. It's obviously not DBG which causes Protoeditor to crash, since dbg-cli with DDD work just fine, it has something to do with Protoeditor itself :(

I tried to debug Protoeditor and here's what I found out, hopefully it can help:

1) Before crashing Protoeditor writes to console stuff like:

protoeditor: +++++ Bug on PHPVariableParser!
protoeditor: +++++ Bug on PHPPHPVariableParser!

2) Debugging a little deeper I found out that it's the following string being a value of an attribute m_raw in PHPVariableParser which causes the error messages above to appear:

{ "a:11:{s:5:\"$this\";?;s:8:\"$GLOBALS\";a:10:{s:7:\"GLOBALS\";r:3;s:4:\"argv\";a:4:{i:0;s:69:\"/home/pachanga/" }

Seems like '?' symbol is not processed by Protoeditor and maybe this is what it makes it crash...

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- Thiago Silva - 2007-08-09
  
  Hi,
  thanks for the info.
  
  Just a few questions:
  What is your PHP version?
  What is your DBG version?
  
  Thiago
  
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  - Pavel Shevaev - 2007-08-09
    
    PHP 5.2.3 (cli) (built: Jul 27 2007 14:25:51)
    Copyright (c) 1997-2007 The PHP Group
    Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
    with DBG v2.15.5, (C) 2000,2007, by Dmitri Dmitrienko
    
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    - Thiago Silva - 2007-08-10
      
      One more thing,
      Can you provide a php script wich makes protoeditor crash?
      
      Thiago
      
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      - Pavel Shevaev - 2007-08-10
        
        Yep, sure, it's a test case: https://svn.limb-project.com/limb/3.x/trunk/limb/fs/tests/cases/lmbFsRecursiveIteratorTest.class.php
        
        I needed to debug lmbFsRecursiveIterator class being tested in this test case.
        
        I simply put "debugBreak();" in testComplexIterate() method just after "asort($res);" line and run the test case under PHP cli with dbg enabled. Protoeditor popus up on debugBreak() line but it crashes on the next line.
        
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      - Pavel Shevaev - 2007-08-10
        
        One more thing, this how it crashes under gdb session exactly:
        
        ...
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        protoeditor: +++++ Bug on PHPPHPVariableParser!
        protoeditor: +++++ Bug on PHPVariableParser!
        
        Program received signal SIGSEGV, Segmentation fault.
        0x08095787 in VariableValue::isScalar () at phpvariableparser.cpp:310
        
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- Thiago Silva - 2007-08-18
  
  I just made a quick fix for it in the Svn repository.
  Please, try it if you can.
  
  Thanks again,
  Thiago
  
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  - Pavel Shevaev - 2007-08-27
    
    Thanks! It did the trick ;)
    
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Protoeditor DBG crashes

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Protoeditor DBG crashes