xamarin-macios/src/generate-frameworks.csharp

#!/usr/bin/env /Library/Frameworks/Mono.framework/Commands/csharp

var args = Environment.GetCommandLineArgs ();
if (args.Length != 6 /* 2 default + 4 real */) {
	Console.WriteLine ($"Need 4 arguments, got {args.Length - 2} arguments");
	Environment.Exit (1);
	return;
}

var iosframeworks = args [2].Split (new char [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var macosframeworks = args [3].Split (new char [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var watchosframeworks = args [4].Split (new char [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var tvosframeworks = args [5].Split (new char [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var allframeworks = new string [] [] { iosframeworks, macosframeworks, watchosframeworks, tvosframeworks };
var names = new string [] { "iosframeworks", "macosframeworks", "watchosframeworks", "tvosframeworks" };

var all = new HashSet<string> ();
foreach (var fws in allframeworks)
	foreach (var fw in fws)
		all.Add (fw)

Console.WriteLine ("using System.Collections.Generic;");
Console.WriteLine ();
Console.WriteLine ("partial class Frameworks {");

for (int i = 0; i < names.Length; i++) {
	var name = names [i];
	var frameworks = allframeworks [i];
	Console.Write ($"\tstatic readonly HashSet<string> {name} = new HashSet<string> {{\"");
	Console.Write (string.Join ("\", \"", frameworks));
	Console.WriteLine ("\"};");
}

var allArray = all.ToArray ();
Array.Sort (allArray);
foreach (var fw in allArray)
	Console.WriteLine ($"\tstatic bool? _{fw.Replace (".", "")};");
foreach (var fw in allArray)
	Console.WriteLine ($"\tpublic static bool Have{fw} {{ get {{ if (!_{fw}.HasValue) _{fw} = GetValue (\"{fw}\"); return _{fw}.Value; }} }}");
Console.WriteLine ("}");
Environment.Exit (0);