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fsprojects / Argu

A declarative CLI argument parser for F#
https://fsprojects.github.io/Argu
MIT License
453 stars 75 forks source link

chain exception from reflection #129

Closed ctaggart closed 5 years ago

ctaggart commented 5 years ago

This chains the inner exceptions so that we see what types to add for reflection to work with CoreRT.

Before:

PS C:\Users\taggac\github\corert-fsharp-example> .\bin\Release\netcoreapp2.2\win-x64\native\littleClient.exe
Unhandled Exception: Argu.ArguException: Error generating usage string from IArgParserTemplate for case LsArguments.Block_Size.
   at Argu.PreCompute.description@487-1.Invoke(String) + 0x34
   at Argu.PreCompute.description@485.Invoke(Unit) + 0xc1
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode) + 0xdd
   at System.Lazy`1.ExecutionAndPublication(LazyHelper, Boolean) + 0x52
   at System.Lazy`1.CreateValue() + 0x84
   at Argu.PreCompute.postProcess@629.Invoke(UnionArgInfo.UnionArgInfo) + 0x301
   at <StartupCode$Argu>.$ArgumentParser.-cctor@87-1.Invoke(Unit) + 0x5b
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode) + 0xdd
   at System.Lazy`1.ExecutionAndPublication(LazyHelper, Boolean) + 0x52
   at System.Lazy`1.CreateValue() + 0x84
   at Argu.ArgumentParser`1..ctor(FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1) + 0xee
   at Argu.ArgumentParser.Create[Template](FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1) + 0x4e
   at Argu.Samples.LS.Main.main(String[]) + 0x8e
   at littleClient!<BaseAddress>+0x656d79

After:

PS C:\Users\taggac\github\corert-fsharp-example> .\bin\Release\netcoreapp2.2\win-x64\native\littleClient.exe
Unhandled Exception: Argu.ArguException: Error generating usage string from IArgParserTemplate for case LsArguments.Block_Size. ---> System.Reflection.MissingMetadataException: 'Argu.Utils.Existential<Argu.Samples.LS.Size>' is missing metadata. For more information, please visit http://go.microsoft.com/fwlink/?LinkID=392859
   at System.Reflection.Runtime.TypeInfos.RuntimeConstructedGenericTypeInfo.ConstructedGenericTypeTable.Factory(RuntimeConstructedGenericTypeInfo.UnificationKey) + 0x13d
   at System.Collections.Concurrent.ConcurrentUnifierWKeyed`2.GetOrAdd(K) + 0x8d
   at System.Reflection.Runtime.TypeInfos.RuntimeConstructedGenericTypeInfo.GetRuntimeConstructedGenericTypeInfo(RuntimeTypeInfo, RuntimeTypeInfo[], RuntimeTypeHandle) + 0x46
   at Argu.Utils.Existential.FromType(Type) + 0x4d
   at Argu.Utils.Unchecked.UntypedDefaultOf(Type) + 0x20
   at Argu.PreCompute.dummy@291.Invoke(Unit) + 0x4f
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode) + 0xdd
   at System.Lazy`1.ExecutionAndPublication(LazyHelper, Boolean) + 0x52
   at System.Lazy`1.CreateValue() + 0x84
   at Argu.PreCompute.description@485.Invoke(Unit) + 0x24

   --- End of inner exception stack trace ---
   at Argu.PreCompute.description@487-1.Invoke(String) + 0x33
   at Argu.PreCompute.description@485.Invoke(Unit) + 0xca
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode) + 0xdd
   at System.Lazy`1.ExecutionAndPublication(LazyHelper, Boolean) + 0x52
   at System.Lazy`1.CreateValue() + 0x84
   at Argu.PreCompute.postProcess@629.Invoke(UnionArgInfo.UnionArgInfo) + 0x301
   at <StartupCode$Argu>.$ArgumentParser.-cctor@87-1.Invoke(Unit) + 0x5b
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode) + 0xdd
   at System.Lazy`1.ExecutionAndPublication(LazyHelper, Boolean) + 0x52
   at System.Lazy`1.CreateValue() + 0x84
   at Argu.ArgumentParser`1..ctor(FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1) + 0xee
   at Argu.ArgumentParser.Create[Template](FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1, FSharpOption`1) + 0x4e
   at Argu.Samples.LS.Main.main(String[]) + 0x8e
   at littleClient!<BaseAddress>+0x656b29
eiriktsarpalis commented 5 years ago

Thanks!

ctaggart commented 5 years ago

@eiriktsarpalis Any chance of publishing a release with this soon? I have some work at work waiting on it.

eiriktsarpalis commented 5 years ago

Released with 5.4.0