Bug 1179 - Crash when using Main as an expression
Summary: Crash when using Main as an expression
Status: RESOLVED UPSTREAM
Alias: None
Product: Compilers
Classification: Mono
Component: VisualBasic ()
Version: unspecified
Hardware: PC Windows
: --- normal
Target Milestone: ---
Assignee: Rolf Bjarne Kvinge [MSFT]
URL:
Depends on:
Blocks:
 
Reported: 2011-10-02 15:16 UTC by Lee Millward
Modified: 2018-05-22 11:54 UTC (History)
1 user (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED UPSTREAM

Description Lee Millward 2011-10-02 15:16:41 UTC
Compiling the following invalid code snippet crashes VBNC:

============================
Module Main

	Sub Foo
	
		Dim var as Type = Main
		
	End Sub
	
End Module
============================

With the following error:
Unhandled exception(vbnc.InternalException): There has been an internal error in the compiler caused by the line: (5,25)
   at vbnc.Expression.ReclassifyToValueExpression() in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\Expressions\Expression.vb:line 447
   at vbnc.VariableInitializer.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\Members\VariableInitializer.vb:line 93
   at vbnc.VariableDeclaration.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\Members\VariableDeclaration.vb:line 220
   at vbnc.CodeBlock.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\Code\CodeBlock.vb:line 562
   at vbnc.MethodBaseDeclaration.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\General\MethodBaseDeclaration.vb:line 331
   at vbnc.SubDeclaration.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\Members\SubDeclaration.vb:line 118
   at vbnc.BaseObjects`1.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\General\BaseObjects`1.vb:line 63
   at vbnc.TypeDeclaration.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\TypeDeclarations\TypeDeclaration.vb:line 407
   at vbnc.AssemblyDeclaration.ResolveCode(ResolveInfo Info) in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\TypeDeclarations\AssemblyDeclaration.vb:line 159
   at vbnc.Compiler.Compile_Resolve() in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\General\Compiler.vb:line 414
   at vbnc.Compiler.Compile() in C:\My Stuff\Mono\mono-basic\vbnc\vbnc\source\General\Compiler.vb:line 530
InnerException: (Nothing)
Data.Count: 0
Commandline arguments:
-r:Accessibility.dll
-r:System.Configuration.dll
-r:System.Data.dll
-r:System.Design.dll
-r:System.dll
-r:System.Drawing.Design.dll
-r:System.Drawing.dll
-r:System.Web.dll
-r:System.Web.Services.dll
-r:System.Windows.Forms.dll
-r:System.Xml.dll
-imports:System
-imports:Microsoft.VisualBasic
There has been an internal error in the compiler caused by the line: (5,25)
Compilation took 00:00:00.9531250
Comment 1 Rolf Bjarne Kvinge [MSFT] 2018-05-22 11:54:39 UTC
Moved to: https://github.com/mono/mono-basic/issues/22