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Module1.vb
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Imports FSDv2
Imports System.Runtime.CompilerServices
Module Module1
Sub Main()
' 0 1 2 3 4 5 6 7 8
' 012345678901234567890123456789012345678901234567890123456789012345678901234567890
Dim Text = "{ 0 , -123 :{{}}x4}"
' Text = "{x}"
Dim TheSource = Source.Create(Text, Source.SourceKind.CS_Standard, Source.StringKind.StringFormat)
Dim Ix = TheSource.First
Dim sw = Diagnostics.Stopwatch.StartNew
Dim ParseResult = FormatString.TryParse(Ix, False)
sw.Stop()
Console.WriteLine($"Input:=[{Text}]")
Dim Actual = ParseResult.AsString
Console.WriteLine($"Output:= {Actual}")
Console.WriteLine(sw.Elapsed.TotalMilliseconds.ToString)
End Sub
End Module
Public Module Exts
<Extension>
Public Function AsString(Tk As Token) As String
If Tk Is Nothing Then Return "{Nothing}"
Dim sb As New Text.StringBuilder
_AsString(Tk, sb, 0)
Return sb.ToString
End Function
Private Sub _AsString(Tk As Token, sb As Text.StringBuilder, level As Integer)
If TypeOf Tk Is ParseError Then
Dim pe = DirectCast(Tk, ParseError)
sb.AppendLine($" {Tk.Span.ToString} {Tk.Kind.ToString()}({pe.Why})")
Else
sb.AppendLine($" {Tk.Span.ToString} {Tk.Kind.ToString()}")
End If
For i = 0 To Tk.InnerTokens.Count - 1
sb.Append(Space(level * 3))
sb.Append($"[{i,2}]")
_AsString(Tk(i), sb, level + 1)
Next
End Sub
End Module