Please do not reply to this email- if you want to comment on the bug, go to the URL shown below and enter your comments there.
Changed by [EMAIL PROTECTED] http://bugzilla.ximian.com/show_bug.cgi?id=77008 --- shadow/77008 2005-12-15 14:06:56.000000000 -0500 +++ shadow/77008.tmp.25091 2005-12-15 14:06:56.000000000 -0500 @@ -0,0 +1,90 @@ +Bug#: 77008 +Product: Mono: Compilers +Version: 1.1 +OS: +OS Details: +Status: NEW +Resolution: +Severity: +Priority: Wishlist +Component: C# +AssignedTo: [EMAIL PROTECTED] +ReportedBy: [EMAIL PROTECTED] +QAContact: [EMAIL PROTECTED] +TargetMilestone: --- +URL: +Cc: +Summary: MCS throws NullReferenceException in DeclSpace.LookupType + +Please fill in this template when reporting a bug, unless you know what you +are doing. +Description of Problem: +MCS throws an unhandled NullReferenceException in DeclSpace.LookupType +after a fresh build from sources from Mono's website on SUSE 10.0. This +only happens on one project, whose source code I am not allowed to share. +However, I can assure you that this project built before I fixed a bug in +the Mono class libraries and attempted to rebuild the whole &*()@# thing. + +Steps to reproduce the problem: +1. Use Linux. + +Actual Results: +Unhandled Exception: System.NullReferenceException: Object reference not +set to an instance of an object +in <0x00122> Mono.CSharp.DeclSpace:LookupType (System.String name, Location +loc, Boolean ignore_cs0104) +in <0x00040> Mono.CSharp.SimpleName:ResolveAsTypeStep +(Mono.CSharp.EmitContext ec, Boolean silent) +in <0x0002d> Mono.CSharp.Expression:ResolveAsTypeTerminal +(Mono.CSharp.EmitContext ec, Boolean silent) +in <0x00015> Mono.CSharp.Attribute:ResolveAsTypeTerminal +(Mono.CSharp.Expression expr, Mono.CSharp.EmitContext ec, Boolean silent) +in <0x00056> Mono.CSharp.Attribute:ResolvePossibleAttributeType +(Mono.CSharp.EmitContext ec, System.String name, Boolean silent, +System.Boolean is_attr) +in <0x00033> Mono.CSharp.Attribute:ResolveAttributeType +(Mono.CSharp.EmitContext ec) +in <0x0001d> Mono.CSharp.Attribute:ResolveType (Mono.CSharp.EmitContext ec) +in <0x0006c> Mono.CSharp.Attributes:Search (System.Type t, +Mono.CSharp.EmitContext ec) +in <0x0007d> Mono.CSharp.MemberCore:GetObsoleteAttribute () +in <0x0001e> Mono.CSharp.EnumMember:CheckObsoleteness (Location loc) +in <0x001a0> Mono.CSharp.FieldExpr:ResolveMemberAccess +(Mono.CSharp.EmitContext ec, Mono.CSharp.Expression left, Location loc, +Mono.CSharp.SimpleName original) +in <0x00311> Mono.CSharp.MemberAccess:DoResolve (Mono.CSharp.EmitContext +ec, Mono.CSharp.Expression right_side) +in <0x0000f> Mono.CSharp.MemberAccess:DoResolve (Mono.CSharp.EmitContext ec) +in <0x000e3> Mono.CSharp.Expression:Resolve (Mono.CSharp.EmitContext ec, +ResolveFlags flags) +in <0x00012> Mono.CSharp.Expression:Resolve (Mono.CSharp.EmitContext ec) +in <0x0010f> Mono.CSharp.Argument:Resolve (Mono.CSharp.EmitContext ec, +Location loc) +in <0x00275> Mono.CSharp.Attribute:ResolveArguments +(Mono.CSharp.EmitContext ec)in <0x0015b> Mono.CSharp.Attribute:Resolve +(Mono.CSharp.EmitContext ec) +in <0x00064> Mono.CSharp.Attribute:Emit (Mono.CSharp.EmitContext ec, +Mono.CSharp.Attributable ias, System.Collections.Specialized.ListDictionary +emitted_attr) +in <0x0009c> Mono.CSharp.Attributes:Emit (Mono.CSharp.EmitContext ec, +Mono.CSharp.Attributable ias) +in <0x00036> Mono.CSharp.Enum:Emit () +in <0x000c1> Mono.CSharp.RootContext:EmitCode () +in <0x00aaf> Mono.CSharp.Driver:MainDriver (System.String[] args) +in <0x00041> Mono.CSharp.Driver:Main (System.String[] args) + + +Expected Results: +A human-readable error message. + +How often does this happen? +Every time, now. + +Additional Information: +Reinstalling from the SUSE install discs does not help. + +I shouldn't have to tell you that a NullReferenceException should NEVER +occur in production code. NEVER. It is a sign of sloppy coding-- it means +that a routine is not checking its arguments or that the programmer did not +expect a null return from a method or property. If a debugger existed for +Mono, I'd be glad to track down the error myself. _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
