[Mono-bugs] [Bug 80307][Wis] New - NullReferenceException in ternary operator

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Changed by grendello at gmail.com.

http://bugzilla.ximian.com/show_bug.cgi?id=80307

--- shadow/80307	2006-12-18 14:57:19.000000000 -0500
+++ shadow/80307.tmp.28673	2006-12-18 14:57:19.000000000 -0500
@@ -0,0 +1,77 @@
+Bug#: 80307
+Product: Mono: Runtime
+Version: 1.2
+OS: other
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Wishlist
+Component: JIT
+AssignedTo: lupus at ximian.com                            
+ReportedBy: grendello at gmail.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: NullReferenceException in ternary operator
+
+Current svn head throws the following exception with xsp2 serving the 
+attached file:
+
+System.NullReferenceException: Object reference not set to an instance of 
+an object
+  at System.Web.Compilation.AspParser.GetServerTag 
+(System.Web.Compilation.TagType& tagtype, System.String& id, 
+System.Web.Compilation.TagAttributes& attributes) [0x00149] in /usr/src/
+tmp/mono/mcs/class/System.Web/System.Web.Compilation/AspParser.cs:457 
+  at System.Web.Compilation.AspParser.GetTag 
+(System.Web.Compilation.TagType& tagtype, System.String& id, 
+System.Web.Compilation.TagAttributes& attributes) [0x00044] in /usr/src/
+tmp/mono/mcs/class/System.Web/System.Web.Compilation/AspParser.cs:241 
+  at System.Web.Compilation.AspParser.Parse () [0x000cc] in /usr/src/tmp/
+mono/mcs/class/System.Web/System.Web.Compilation/AspParser.cs:153 
+  at System.Web.Compilation.AspGenerator.Parse (System.String 
+file) [0x00007] in /usr/src/tmp/mono/mcs/class/System.Web/
+System.Web.Compilation/AspGenerator.cs:252 
+  at System.Web.Compilation.AspGenerator.Parse () [0x00000] in /usr/src/
+tmp/mono/mcs/class/System.Web/System.Web.Compilation/AspGenerator.cs:269 
+  at System.Web.Compilation.AspGenerator.GetCompiledType () [0x00054] in /
+usr/src/tmp/mono/mcs/class/System.Web/System.Web.Compilation/
+AspGenerator.cs:283 
+  at System.Web.UI.PageParser.CompileIntoType () [0x00007] in /usr/src/tmp/
+mono/mcs/class/System.Web/System.Web.UI/PageParser.cs:341 
+  at System.Web.UI.TemplateControlParser.GetCompiledInstance () [0x00000] 
+in /usr/src/tmp/mono/mcs/class/System.Web/System.Web.UI/
+TemplateControlParser.cs:72 
+  at System.Web.UI.PageParser.GetCompiledPageInstance (System.String 
+virtualPath, System.String inputFile, System.Web.HttpContext 
+context) [0x00009] in /usr/src/tmp/mono/mcs/class/System.Web/System.Web.UI/
+PageParser.cs:101 
+  at System.Web.UI.PageHandlerFactory.GetHandler (System.Web.HttpContext 
+context, System.String requestType, System.String url, System.String 
+path) [0x00000] in /usr/src/tmp/mono/mcs/class/System.Web/System.Web.UI/
+PageHandlerFactory.cs:40 
+  at System.Web.HttpApplication.GetHandler (System.Web.HttpContext 
+context) [0x00059] in /usr/src/tmp/mono/mcs/class/System.Web/System.Web/
+HttpApplication.cs:1124 
+  at System.Web.HttpApplication+<>c__CompilerGenerated3.MoveNext 
+() [0x006ad] in /usr/src/tmp/mono/mcs/class/System.Web/System.Web/
+HttpApplication.cs:895 
+
+When line AspParser.cs:457 is replaced with:
+
+                      if (databinding)
+                              tagtype = TagType.DataBinding;
+                      else if (varname)
+                              tagtype = TagType.CodeRenderExpression;
+                      else
+                              tagtype = TagType.CodeRender;
+
+or the following line is put before line 457
+
+Console.WriteLine("databinding == {0};varname == {1}", databinding, 
+varname);
+
+the exception does not occur. The problem first showed up sometime last 
+week, I can't tell exactly when, though.