msvc/scripts/genconsts.cs

   1 using System;
   2 using System.IO;
   3 using System.Reflection;
   4 using System.Diagnostics;
   5 using System.Text;
   6 using System.Text.RegularExpressions;
   7
   8 public static class Program {
   9     public static int Main (string[] args) {
  10         var myAssembly = Assembly.GetExecutingAssembly ();
  11         var codeBase = new Uri (myAssembly.CodeBase);
  12         var executablePath = Path.GetFullPath (codeBase.LocalPath);
  13         var executableDirectory = Path.GetDirectoryName (executablePath);
  14
  15         var winsetupDirectory = Path.Combine (executableDirectory, "..");
  16         var winsetupPath = Path.Combine (winsetupDirectory, "winsetup.bat");
  17
  18         var psi = new ProcessStartInfo (winsetupPath) {
  19             WorkingDirectory = winsetupDirectory,
  20             UseShellExecute = false,
  21             ErrorDialog = false,
  22             RedirectStandardOutput = true
  23         };
  24
  25         string monoVersion, monoCorlibVersion;
  26
  27         Process winsetupProcess;
  28
  29         try {
  30             winsetupProcess = Process.Start (psi);
  31         } catch (Exception exc) {
  32             Console.Error.WriteLine ("Failed starting winsetup.bat");
  33             Console.Error.WriteLine (exc);
  34             return 1;
  35         }
  36
  37         using (winsetupProcess) {
  38             var outputBuffer = new StringBuilder ();
  39
  40             winsetupProcess.OutputDataReceived += (s, e) => {
  41                 outputBuffer.AppendLine (e.Data);
  42             };
  43             winsetupProcess.BeginOutputReadLine ();
  44             winsetupProcess.WaitForExit ();
  45
  46             var output = outputBuffer.ToString ().Trim ();
  47
  48             if (winsetupProcess.ExitCode != 0) {
  49                 Console.Error.WriteLine ("Failed running winsetup.bat");
  50                 Console.Write (output);
  51                 return winsetupProcess.ExitCode;
  52             } else {
  53                 var m = Regex.Match (output, "MONO_VERSION=([0-9.]+)");
  54                 if (!m.Success)
  55                     return 1;
  56                 monoVersion = m.Groups[1].Value;
  57
  58                 // HACK: winsetup.bat produces N.N.N instead of N.N.N.N like configure.ac,
  59                 //  so we add .0's to match the Consts.cs generated by make
  60                 while (monoVersion.Split ('.').Length < 4)
  61                     monoVersion += ".0";
  62
  63                 Console.WriteLine ($"MONO_VERSION={monoVersion}");
  64                 m = Regex.Match (output, "MONO_CORLIB_VERSION=([^\\s]+)");
  65                 if (!m.Success)
  66                     return 1;
  67                 monoCorlibVersion = m.Groups[1].Value;
  68                 Console.WriteLine ($"MONO_CORLIB_VERSION=\"{monoCorlibVersion}\"");
  69             }
  70         }
  71
  72         var constsDirectory = Path.Combine (executableDirectory, "..", "..", "mcs", "build", "common");
  73         var constsTemplatePath = Path.Combine (constsDirectory, "Consts.cs.in");
  74         if (!Directory.Exists (constsDirectory) || !File.Exists (constsTemplatePath)) {
  75             Console.Error.WriteLine ($"File not found: {constsTemplatePath}");
  76             return 1;
  77         }
  78
  79         var resultPath = Path.GetFullPath (Path.Combine (constsDirectory, "Consts.cs"));
  80         var templateText = File.ReadAllText (constsTemplatePath);
  81
  82         var resultText = templateText.Replace ("@MONO_VERSION@", monoVersion)
  83             .Replace ("@MONO_CORLIB_VERSION@", monoCorlibVersion);
  84
  85         if (File.Exists (resultPath)) {
  86             var existingText = File.ReadAllText (resultPath);
  87             if (existingText.Trim () == resultText.Trim ()) {
  88                 Console.WriteLine ($"{resultPath} not changed");
  89                 return 0;
  90             }
  91         }
  92
  93         File.WriteAllText (resultPath, resultText);
  94         Console.WriteLine ($"Generated {resultPath} successfully");
  95
  96         return 0;
  97     }
  98 }