https://bugzilla.novell.com/show_bug.cgi?id=403371
Summary: Uncatched exception in
CheckNewExceptionWithoutThrowingRule
Product: Mono: Tools
Version: SVN
Platform: i386
OS/Version: Linux
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Gendarme
AssignedTo: mono-bugs@lists.ximian.com
ReportedBy: [EMAIL PROTECTED]
QAContact: mono-bugs@lists.ximian.com
Found By: ---
Here is the stack trace for this rule:
An uncatched exception occured. Please fill a bug report @
https://bugzilla.novell.com/
Rule: Gendarme.Rules.BadPractice.CheckNewExceptionWithoutThrowingRule
Target: System.Boolean
System.Xml.Linq.XObject/<Annotations>c__Iterator16`1::MoveNext()
Stack trace: System.ArgumentOutOfRangeException: Index is less than 0 or more
than or equal to the list count.
Parameter name: index
0
at System.Collections.ArrayList.get_Item (Int32 index) [0x00032] in
/home/nestor/devel/mono-project/mcs/class/corlib/System.Collections/ArrayList.cs:2652
at System.Collections.CollectionBase.System.Collections.IList.get_Item (Int32
index) [0x00000] in
/home/nestor/devel/mono-project/mcs/class/corlib/System.Collections/CollectionBase.cs:200
at Mono.Cecil.GenericParameterCollection.get_Item (Int32 index) [0x00000] in
/home/nestor/devel/mono-project/mcs/class/Mono.Cecil/Mono.Cecil/GenericParameterCollection.cs:44
at Mono.Cecil.ReflectionReader.GetTypeRefFromSig
(Mono.Cecil.Signatures.SigType t, Mono.Cecil.GenericContext context) [0x00359]
in
/home/nestor/devel/mono-project/mcs/class/Mono.Cecil/Mono.Cecil/ReflectionReader.cs:1099
at Mono.Cecil.ReflectionReader.GetTypeSpecAt (UInt32 rid,
Mono.Cecil.GenericContext context) [0x0004e] in
/home/nestor/devel/mono-project/mcs/class/Mono.Cecil/Mono.Cecil/ReflectionReader.cs:153
at Mono.Cecil.Cil.CodeReader.ReadCilBody (Mono.Cecil.Cil.MethodBody body,
System.IO.BinaryReader br) [0x003c7] in
/home/nestor/devel/mono-project/mcs/class/Mono.Cecil/Mono.Cecil.Cil/CodeReader.cs:191
at Mono.Cecil.Cil.CodeReader.VisitMethodBody (Mono.Cecil.Cil.MethodBody body)
[0x000c5] in
/home/nestor/devel/mono-project/mcs/class/Mono.Cecil/Mono.Cecil.Cil/CodeReader.cs:75
at Mono.Cecil.MethodDefinition.LoadBody () [0x00042] in
/home/nestor/devel/mono-project/mcs/class/Mono.Cecil/Mono.Cecil/MethodDefinition.cs:554
at Mono.Cecil.MethodDefinition.get_Body () [0x00000] in
/home/nestor/devel/mono-project/mcs/class/Mono.Cecil/Mono.Cecil/MethodDefinition.cs:104
at
Gendarme.Rules.BadPractice.CheckNewExceptionWithoutThrowingRule.CheckMethod
(Mono.Cecil.MethodDefinition method) [0x0000f] in
/home/nestor/devel/mono-project/mono-tools/gendarme/rules/Gendarme.Rules.BadPractice/CheckNewExceptionWithoutThrowingRule.cs:53
at Gendarme.Framework.Runner.OnMethod (Gendarme.Framework.RunnerEventArgs e)
[0x000b7] in
/home/nestor/devel/mono-project/mono-tools/gendarme/framework/Gendarme.Framework/Runner.cs:251
at Gendarme.Framework.Runner.Run () [0x000cb] in
/home/nestor/devel/mono-project/mono-tools/gendarme/framework/Gendarme.Framework/Runner.cs:296
at Gendarme.ConsoleRunner.Run () [0x00006] in
/home/nestor/devel/mono-project/mono-tools/gendarme/console/ConsoleRunner.cs:197
at Gendarme.ConsoleRunner.Execute (System.String[] args) [0x00142] in
/home/nestor/devel/mono-project/mono-tools/gendarme/console/ConsoleRunner.cs:176
I have been researching a little, and I'm not sure if is our bug or is a cecil
bug, because the exception is thrown at line 53:
if (!method.HasBody)
return RuleResult.DoesNotApply;
StackEntryAnalysis sea = null;
---> foreach (Instruction ins in method.Body.Instructions) {
The code checks if the method has body, but when access to the Instructions it
breaks.
In order to reproduce it, you have to run gendarme (with the BadPractice set)
against System.Xml.Linq. (Or you can use the script in my mono-soc-2008
directory)
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