diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 000000000000..5d545e83cb6d
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,18 @@
+{
+ // Use IntelliSense to learn about possible attributes.
+ // Hover to view descriptions of existing attributes.
+ // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+ "version": "0.2.0",
+ "configurations": [
+ {
+ "name": ".NET Core Launch (console)",
+ "type": "coreclr",
+ "request": "launch",
+ "program": "${workspaceFolder}/artifacts/bin/fcs-export/Debug/net6.0/fcs-export.dll",
+ "args": [],
+ "cwd": "${workspaceFolder}/fcs/fcs-export",
+ "console": "internalConsole",
+ "stopAtEntry": false
+ }
+ ]
+}
\ No newline at end of file
diff --git a/fcs/build.sh b/fcs/build.sh
new file mode 100644
index 000000000000..94823e4faef9
--- /dev/null
+++ b/fcs/build.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+dotnet build -c Release src/buildtools/buildtools.proj
+dotnet build -c Release src/fsharp/FSharp.Compiler.Service
+dotnet run -c Release --project fcs/fcs-export
diff --git a/fcs/fcs-export/NuGet.config b/fcs/fcs-export/NuGet.config
new file mode 100644
index 000000000000..273c7d2db75d
--- /dev/null
+++ b/fcs/fcs-export/NuGet.config
@@ -0,0 +1,10 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/fcs/fcs-export/Program.fs b/fcs/fcs-export/Program.fs
new file mode 100644
index 000000000000..54c98b36e237
--- /dev/null
+++ b/fcs/fcs-export/Program.fs
@@ -0,0 +1,87 @@
+open System.IO
+open System.Collections.Generic
+open FSharp.Compiler.CodeAnalysis
+
+let readRefs (folder : string) (projectFile: string) =
+ let runProcess (workingDir: string) (exePath: string) (args: string) =
+ let psi = System.Diagnostics.ProcessStartInfo()
+ psi.FileName <- exePath
+ psi.WorkingDirectory <- workingDir
+ psi.RedirectStandardOutput <- false
+ psi.RedirectStandardError <- false
+ psi.Arguments <- args
+ psi.CreateNoWindow <- true
+ psi.UseShellExecute <- false
+
+ use p = new System.Diagnostics.Process()
+ p.StartInfo <- psi
+ p.Start() |> ignore
+ p.WaitForExit()
+
+ let exitCode = p.ExitCode
+ exitCode, ()
+
+ let runCmd exePath args = runProcess folder exePath (args |> String.concat " ")
+ let msbuildExec = Dotnet.ProjInfo.Inspect.dotnetMsbuild runCmd
+ let result = Dotnet.ProjInfo.Inspect.getProjectInfo ignore msbuildExec Dotnet.ProjInfo.Inspect.getFscArgs projectFile
+ match result with
+ | Ok(Dotnet.ProjInfo.Inspect.GetResult.FscArgs x) ->
+ x
+ |> List.filter (fun s -> s.StartsWith("-r:"))
+ |> List.map (fun s -> s.Replace("-r:", ""))
+ | _ -> []
+
+let mkStandardProjectReferences () =
+ let file = "fcs-export.fsproj"
+ let projDir = __SOURCE_DIRECTORY__
+ readRefs projDir file
+
+let mkProjectCommandLineArgsForScript (dllName, fileNames) =
+ [| yield "--simpleresolution"
+ yield "--noframework"
+ yield "--debug:full"
+ yield "--define:DEBUG"
+ yield "--optimize-"
+ yield "--out:" + dllName
+ yield "--doc:test.xml"
+ yield "--warn:3"
+ yield "--fullpaths"
+ yield "--flaterrors"
+ yield "--target:library"
+ for x in fileNames do
+ yield x
+ let references = mkStandardProjectReferences ()
+ for r in references do
+ yield "-r:" + r
+ |]
+
+let checker = FSharpChecker.Create()
+
+let parseAndCheckScript (file, input) =
+ let dllName = Path.ChangeExtension(file, ".dll")
+ let projName = Path.ChangeExtension(file, ".fsproj")
+ let args = mkProjectCommandLineArgsForScript (dllName, [file])
+ printfn "file: %s" file
+ args |> Array.iter (printfn "args: %s")
+ let projectOptions = checker.GetProjectOptionsFromCommandLineArgs (projName, args)
+ let parseRes, typedRes = checker.ParseAndCheckFileInProject(file, 0, input, projectOptions) |> Async.RunSynchronously
+
+ if parseRes.Diagnostics.Length > 0 then
+ printfn "---> Parse Input = %A" input
+ printfn "---> Parse Error = %A" parseRes.Diagnostics
+
+ match typedRes with
+ | FSharpCheckFileAnswer.Succeeded(res) -> parseRes, res
+ | res -> failwithf "Parsing did not finish... (%A)" res
+
+[]
+let main argv =
+ ignore argv
+ printfn "Exporting metadata..."
+ let file = "/temp/test.fsx"
+ let input = "let a = 42"
+ let sourceText = FSharp.Compiler.Text.SourceText.ofString input
+ // parse script just to export metadata
+ let parseRes, typedRes = parseAndCheckScript(file, sourceText)
+ printfn "Exporting is done."
+ 0
diff --git a/fcs/fcs-export/fcs-export.fsproj b/fcs/fcs-export/fcs-export.fsproj
new file mode 100644
index 000000000000..7461ea6d4d6a
--- /dev/null
+++ b/fcs/fcs-export/fcs-export.fsproj
@@ -0,0 +1,24 @@
+
+
+
+ Exe
+ net6.0
+ true
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/src/buildtools/buildtools.targets b/src/buildtools/buildtools.targets
index 86346fc2a156..4cc7fe7a3a43 100644
--- a/src/buildtools/buildtools.targets
+++ b/src/buildtools/buildtools.targets
@@ -20,7 +20,7 @@
BeforeTargets="CoreCompile">
- $(ArtifactsDir)\Bootstrap\fslex\fslex.dll
+ $(ArtifactsDir)\bin\fslex\Release\net5.0\fslex.dll
@@ -44,7 +44,7 @@
BeforeTargets="CoreCompile">
- $(ArtifactsDir)\Bootstrap\fsyacc\fsyacc.dll
+ $(ArtifactsDir)\bin\fsyacc\Release\net5.0\fsyacc.dll
diff --git a/src/fsharp/CompilerImports.fs b/src/fsharp/CompilerImports.fs
index 7013a7679769..1d0cebd8bdfd 100644
--- a/src/fsharp/CompilerImports.fs
+++ b/src/fsharp/CompilerImports.fs
@@ -1920,6 +1920,38 @@ and [] TcImports(tcConfigP: TcConfigProvider, initialResolutions: TcAsse
global_g <- Some tcGlobals
#endif
frameworkTcImports.SetTcGlobals tcGlobals
+
+#if EXPORT_METADATA
+ let metadataPath = __SOURCE_DIRECTORY__ + "/../../temp/metadata/"
+ let writeMetadata (dllInfo: ImportedBinary) =
+ let outfile = Path.GetFullPath(metadataPath + Path.GetFileName(dllInfo.FileName))
+ let ilModule = dllInfo.RawMetadata.TryGetILModuleDef().Value
+ try
+ let args: AbstractIL.ILBinaryWriter.options = {
+ ilg = ilGlobals
+ pdbfile = None
+ emitTailcalls = false
+ deterministic = false
+ showTimes = false
+ portablePDB = false
+ embeddedPDB = false
+ embedAllSource = false
+ embedSourceList = []
+ sourceLink = ""
+ checksumAlgorithm = tcConfig.checksumAlgorithm
+ signer = None
+ dumpDebugInfo = false
+ pathMap = tcConfig.pathMap }
+ AbstractIL.ILBinaryWriter.WriteILBinary (outfile, args, ilModule, id)
+ with Failure msg ->
+ printfn "Export error: %s" msg
+
+ let! dllinfos, _ccuinfos = frameworkTcImports.RegisterAndImportReferencedAssemblies (ctok, tcResolutions.GetAssemblyResolutions())
+ dllinfos |> List.iter writeMetadata
+ let! dllinfos, _ccuinfos = frameworkTcImports.RegisterAndImportReferencedAssemblies (ctok, tcAltResolutions.GetAssemblyResolutions())
+ dllinfos |> List.iter writeMetadata
+#endif
+
return tcGlobals, frameworkTcImports
}
diff --git a/src/fsharp/FSharp.Compiler.Service/FSharp.Compiler.Service.fsproj b/src/fsharp/FSharp.Compiler.Service/FSharp.Compiler.Service.fsproj
index 36a323cc231c..7efcb18ffb95 100644
--- a/src/fsharp/FSharp.Compiler.Service/FSharp.Compiler.Service.fsproj
+++ b/src/fsharp/FSharp.Compiler.Service/FSharp.Compiler.Service.fsproj
@@ -12,6 +12,7 @@
$(NoWarn);NU5125
FSharp.Compiler.Service
true
+ $(DefineConstants);EXPORT_METADATA
$(DefineConstants);COMPILER
$(DefineConstants);ENABLE_MONO_SUPPORT
$(DefineConstants);USE_SHIPPED_FSCORE
diff --git a/src/fsharp/absil/ilwrite.fs b/src/fsharp/absil/ilwrite.fs
index 7ddd68e404c1..f3247ec79124 100644
--- a/src/fsharp/absil/ilwrite.fs
+++ b/src/fsharp/absil/ilwrite.fs
@@ -2516,6 +2516,9 @@ let GenMethodDefAsRow cenv env midx (md: ILMethodDef) =
if cenv.entrypoint <> None then failwith "duplicate entrypoint"
else cenv.entrypoint <- Some (true, midx)
let codeAddr =
+#if EXPORT_METADATA
+ 0x0000
+#else
(match md.Body with
| MethodBody.IL ilmbodyLazy ->
let ilmbody = ilmbodyLazy.Value
@@ -2562,6 +2565,7 @@ let GenMethodDefAsRow cenv env midx (md: ILMethodDef) =
| MethodBody.Native ->
failwith "cannot write body of native method - Abstract IL cannot roundtrip mixed native/managed binaries"
| _ -> 0x0000)
+#endif
UnsharedRow
[| ULong codeAddr
@@ -3599,6 +3603,7 @@ and writeBinaryAndReportMappingsAux (stream: Stream, leaveStreamOpen: bool,
match signer, modul.Manifest with
| Some _, _ -> signer
| _, None -> signer
+#if !EXPORT_METADATA
| None, Some {PublicKey=Some pubkey} ->
(dprintn "Note: The output assembly will be delay-signed using the original public"
dprintn "Note: key. In order to load it you will need to either sign it with"
@@ -3608,6 +3613,7 @@ and writeBinaryAndReportMappingsAux (stream: Stream, leaveStreamOpen: bool,
dprintn "Note: private key when converting the assembly, assuming you have access to"
dprintn "Note: it."
Some (ILStrongNameSigner.OpenPublicKey pubkey))
+#endif
| _ -> signer
let modul =