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// (c) Microsoft Corporation 2005-2009.
namespace Microsoft.FSharp.Build
open System
open Microsoft.Build.Framework
open Microsoft.Build.Utilities
open Internal.Utilities
(**************************************
MSBuild task for fslex
options:
-o <string>: Name the output file.
--codepage <int>: Assume input lexer specification file is encoded with the given codepage.
--unicode: Produce a lexer for use with 16-bit unicode characters.
--help: display this list of options
-help: display this list of options
**************************************)
type FsLex() =
inherit ToolTask()
let mutable inputFile : string = null
let mutable outputFile : string = null
let mutable codePage : string = null
let mutable unicode = false
let mutable otherFlags = ""
let mutable toolPath : string =
match FSharpEnvironment.BinFolderOfFSharpPowerPack with
| Some s -> s
| None -> ""
#if FX_ATLEAST_35
#else
let mutable toolExe : string = "fslex.exe"
#endif
// [<Required>]
member this.InputFile
with get () = inputFile
and set (x) = inputFile <- x
[<Output>]
member this.OutputFile
with get () = outputFile
and set (x) = outputFile <- x
// --codepage <int>: Assume input lexer specification file is encoded with the given codepage.
member this.CodePage
with get () = codePage
and set (x) = codePage <- x
// --unicode: Produce a lexer for use with 16-bit unicode characters.
member this.Unicode
with get () = unicode
and set (x) = unicode <- x
member this.OtherFlags
with get() = otherFlags
and set(s) = otherFlags <- s
// For targeting other versions of fslex.exe, such as "\LKG\" or "\Prototype\"
member this.ToolPath
with get () = toolPath
and set (s) = toolPath <- s
#if FX_ATLEAST_35
#else
// Name of the .exe to call
member this.ToolExe
with get () = toolExe
and set (s) = toolExe <- s
#endif
// ToolTask methods
override this.ToolName = "fslex.exe"
override this.GenerateFullPathToTool() =
System.IO.Path.Combine(toolPath, this.ToolExe)
override this.GenerateCommandLineCommands() =
let builder = new CommandLineBuilder()
// CodePage
builder.AppendSwitchIfNotNull("--codepage ", codePage)
// Unicode
if unicode then builder.AppendSwitch("--unicode")
// OutputFile
builder.AppendSwitchIfNotNull("-o ", outputFile)
// OtherFlags - must be second-to-last
builder.AppendSwitchUnquotedIfNotNull("", otherFlags)
builder.AppendSwitchIfNotNull(" ", inputFile)
let args = builder.ToString()
// when doing simple unit tests using API, no BuildEnginer/Logger is attached
if this.BuildEngine <> null then
let eventArgs = { new CustomBuildEventArgs(message=args,helpKeyword="",senderName="") with member x.Equals(y) = false }
this.BuildEngine.LogCustomEvent(eventArgs)
args
// Expose this to internal components (for unit testing)
member internal this.InternalGenerateCommandLineCommands() =
this.GenerateCommandLineCommands()
|
