Added decimal support

Author: ncave

fcs/fcs-fable/test/bench.fs

@@ -22,7 +22,7 @@ let printErrors showWarnings (errors: FSharpErrorInfo[]) =
         errors |> Array.iter printError
         failwith "Too many errors."
 
-let parseFiles projectPath outDir optimized =
+let parseFiles projectPath outDir optimize =
     // parse project
     let projSet = makeHashSetIgnoreCase ()
     let (projectFileName, dllRefs, fileNames, sources, otherOptions) = parseProject projSet projectPath
@@ -33,6 +33,8 @@ let parseFiles projectPath outDir optimized =
 
     // create checker
     let readAllBytes dllName = readAllBytes (metadataPath + dllName)
+    let optimizeFlag = "--optimize" + (if optimize then "+" else "-")
+    let otherOptions = otherOptions |> Array.append [| optimizeFlag |]
     let createChecker () = InteractiveChecker.Create(references, readAllBytes, otherOptions)
     let ms0, checker = measureTime createChecker ()
     printfn "--------------------------------------------"
@@ -77,7 +79,7 @@ let parseFiles projectPath outDir optimized =
     let fileNames = fileNames |> Array.filter (fun x -> not (x.EndsWith(".fsi")))
 
     // this is memory intensive, only do it once
-    let implFiles = if optimized
+    let implFiles = if optimize
                     then projectResults.GetOptimizedAssemblyContents().ImplementationFiles
                     else projectResults.AssemblyContents.ImplementationFiles
 
@@ -95,8 +97,8 @@ let parseArguments (argv: string[]) =
     match args with
     | [| projectPath |] ->
         let outDir = "./out-test"
-        let optimized = opts |> Array.contains "--optimize-fcs"
-        parseFiles projectPath outDir optimized
+        let optimize = opts |> Array.contains "--optimize-fcs"
+        parseFiles projectPath outDir optimize
     | _ -> printfn "%s" usage
 
 [<EntryPoint>]

src/fsharp/TastOps.fs

@@ -6495,10 +6495,6 @@ let mkCallNewDecimal (g:TcGlobals) m (e1, e2, e3, e4, e5)          = mkApps g (t
 
 let mkCallNewFormat (g:TcGlobals) m aty bty cty dty ety e1    = mkApps g (typedExprForIntrinsic g m g.new_format_info, [[aty;bty;cty;dty;ety]], [ e1 ], m)
 
-#if FABLE_COMPILER
-let TryEliminateDesugaredConstants (_g:TcGlobals) (_m:range) (_c:Const) : Expr option =
-    None
-#else
 let TryEliminateDesugaredConstants g m c = 
     match c with 
     | Const.Decimal d -> 
@@ -6510,7 +6506,6 @@ let TryEliminateDesugaredConstants g m c =
         | _ -> failwith "unreachable"
     | _ -> 
         None
-#endif
 
 let mkSeqTy (g:TcGlobals) ty = mkAppTy g.seq_tcr [ty] 
 let mkIEnumeratorTy (g:TcGlobals) ty = mkAppTy g.tcref_System_Collections_Generic_IEnumerator [ty] 

src/fsharp/lex.fsl

@@ -360,11 +360,7 @@ rule token args skip = parse
      { try 
           let s = removeUnderscores (lexemeTrimRight lexbuf 1)
           // This implements a range check for decimal literals 
-#if FABLE_COMPILER
-          let d = Convert.ToDecimal(s)
-#else
           let d = System.Decimal.Parse(s,System.Globalization.NumberStyles.AllowExponent ||| System.Globalization.NumberStyles.Number,System.Globalization.CultureInfo.InvariantCulture)
-#endif
           DECIMAL d 
        with 
           e -> fail args lexbuf (FSComp.SR.lexOusideDecimal()) (DECIMAL (decimal 0))