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nikhilk / scriptsharp

Script# Project - a C# to JavaScript compiler, to power your HTML5 and Node.js web development.

Home Page:http://scriptsharp.com

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Roslyn User Preview breaks Script# compilation

michaelaird opened this issue · comments

commented

With the latest User Preview of Roslyn installed, compilation of Script# projects fail and the following error is logged in the Windows Event Log:

Application: VBCSCompiler.exe
Framework Version: v4.0.30319
Description: The application requested process termination through System.Environment.FailFast(string message).
Message: Value cannot be null.
Parameter name: key
Stack:
   at System.Environment.FailFast(System.String, System.Exception)
   at Microsoft.CodeAnalysis.CompilerFatalError.Report(System.Exception)
   at Microsoft.CodeAnalysis.CSharp.MethodBodyCompiler+<>c__DisplayClass6.<CompileNamedTypeAsTask>b__8()
   at System.Collections.Concurrent.ConcurrentDictionary`2[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.UInt32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TryGetValue(System.__Canon, UInt32 ByRef)
   at Microsoft.CodeAnalysis.PEModuleBuilder`11[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].GetFakeSymbolTokenForIL(Microsoft.Cci.IReference, Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.DiagnosticBag)
   at Microsoft.CodeAnalysis.CodeGen.ILBuilder.EmitToken(Microsoft.Cci.IReference, Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.DiagnosticBag)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStringSwitchJumpTable(Microsoft.CodeAnalysis.CSharp.BoundSwitchStatement, System.Collections.Generic.KeyValuePair`2<Microsoft.CodeAnalysis.ConstantValue,System.Object>[], Microsoft.CodeAnalysis.CSharp.Symbols.LabelSymbol, Microsoft.CodeAnalysis.CodeGen.LocalDefinition, Microsoft.CodeAnalysis.CSharp.CSharpSyntaxNode)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitSwitchHeader(Microsoft.CodeAnalysis.CSharp.BoundSwitchStatement, Microsoft.CodeAnalysis.CSharp.BoundExpression, System.Collections.Generic.KeyValuePair`2<Microsoft.CodeAnalysis.ConstantValue,System.Object>[], Microsoft.CodeAnalysis.CSharp.Symbols.LabelSymbol)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitSwitchStatement(Microsoft.CodeAnalysis.CSharp.BoundSwitchStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitSequencePointStatement(Microsoft.CodeAnalysis.CSharp.BoundSequencePointWithSpan)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitBlock(Microsoft.CodeAnalysis.CSharp.BoundBlock)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatementList(Microsoft.CodeAnalysis.CSharp.BoundStatementList)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitSequencePointStatement(Microsoft.CodeAnalysis.CSharp.BoundSequencePointWithSpan)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitBlock(Microsoft.CodeAnalysis.CSharp.BoundBlock)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatementList(Microsoft.CodeAnalysis.CSharp.BoundStatementList)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitSequencePointStatement(Microsoft.CodeAnalysis.CSharp.BoundSequencePointWithSpan)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitBlock(Microsoft.CodeAnalysis.CSharp.BoundBlock)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatementList(Microsoft.CodeAnalysis.CSharp.BoundStatementList)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.EmitStatement(Microsoft.CodeAnalysis.CSharp.BoundStatement)
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.Generate()
   at Microsoft.CodeAnalysis.CSharp.CodeGen.CodeGenerator.Run(Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol, Microsoft.CodeAnalysis.CSharp.BoundStatement, Microsoft.CodeAnalysis.CodeGen.ILBuilder, Microsoft.CodeAnalysis.CSharp.Emit.PEModuleBuilder, Microsoft.CodeAnalysis.DiagnosticBag, Boolean, Boolean)
   at Microsoft.CodeAnalysis.CSharp.Compiler.GenerateMethodBody(Microsoft.CodeAnalysis.CSharp.TypeCompilationState, Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol, Microsoft.CodeAnalysis.CSharp.BoundStatement, Microsoft.CodeAnalysis.DiagnosticBag, Boolean, Microsoft.CodeAnalysis.CodeGen.DebugDocumentProvider, System.Collections.Immutable.ImmutableArray`1<Microsoft.CodeAnalysis.CodeGen.NamespaceScope>)
   at Microsoft.CodeAnalysis.CSharp.MethodBodyCompiler.CompileMethod(Microsoft.CodeAnalysis.CSharp.Symbols.MethodSymbol, ProcessedFieldInitializers ByRef, Microsoft.CodeAnalysis.CSharp.SynthesizedSubmissionFields, Microsoft.CodeAnalysis.CSharp.TypeCompilationState)
   at Microsoft.CodeAnalysis.CSharp.MethodBodyCompiler.CompileNamedType(Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol)
   at Microsoft.CodeAnalysis.CSharp.MethodBodyCompiler+<>c__DisplayClass6.<CompileNamedTypeAsTask>b__8()
   at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean)
   at System.Threading.ThreadPoolWorkQueue.Dispatch()

I've also opened this as an issue on Connect:

https://connect.microsoft.com/VisualStudio/feedback/details/846555/roslyn-breaks-script-compilation

commented

Thanks for reporting this to the c# folks Michael.

Reminds me of the early c# 1.0 days and ICE (internal compiler error) issues. If I recall, those used to at least be minimally accompanied by the line of source code causing the compiler to fail (in much the same way as the script# compiler if it runs into an exception in its own code). Was there any such info in this case? I am curious what construct is choking roslyn.

This seems to be because of doing a switch on a string value. The original c# compiler would fail when there were more than 6 cases, because of missing String.Intern method in script#'s mscorlib.dll. Maybe that is the case here as well.

commented

ScriptSharp builds fine with 2015 Preview