mcs/tools/linker/Mono.Linker.Steps/OutputStep.cs

   1 //
   2 // OutputStep.cs
   3 //
   4 // Author:
   5 //   Jb Evain (jbevain@gmail.com)
   6 //
   7 // (C) 2006 Jb Evain
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.IO;
  31
  32 using Mono.Cecil;
  33 using Mono.Cecil.Cil;
  34
  35 namespace Mono.Linker.Steps {
  36
  37         public class OutputStep : BaseStep {
  38
  39                 protected override void Process ()
  40                 {
  41                         CheckOutputDirectory ();
  42                 }
  43
  44                 void CheckOutputDirectory ()
  45                 {
  46                         if (Directory.Exists (Context.OutputDirectory))
  47                                 return;
  48
  49                         Directory.CreateDirectory (Context.OutputDirectory);
  50                 }
  51
  52                 protected override void ProcessAssembly (AssemblyDefinition assembly)
  53                 {
  54                         OutputAssembly (assembly);
  55                 }
  56
  57                 void OutputAssembly (AssemblyDefinition assembly)
  58                 {
  59                         string directory = Context.OutputDirectory;
  60
  61                         CopyConfigFileIfNeeded (assembly, directory);
  62
  63                         switch (Annotations.GetAction (assembly)) {
  64                         case AssemblyAction.Save:
  65                         case AssemblyAction.Link:
  66                                 assembly.Write (GetAssemblyFileName (assembly, directory), SaveSymbols (assembly));
  67                                 break;
  68                         case AssemblyAction.Copy:
  69                                 CloseSymbols (assembly);
  70                                 CopyAssembly (GetOriginalAssemblyFileInfo (assembly), directory, Context.LinkSymbols);
  71                                 break;
  72                         case AssemblyAction.Delete:
  73                                 CloseSymbols (assembly);
  74                                 var target = GetAssemblyFileName (assembly, directory);
  75                                 if (File.Exists (target)) {
  76                                         File.Delete (target);
  77                                         File.Delete (target + ".mdb");
  78                                         File.Delete (GetConfigFile (target));
  79                                 }
  80                                 break;
  81                         default:
  82                                 CloseSymbols (assembly);
  83                                 break;
  84                         }
  85                 }
  86
  87                 void CloseSymbols (AssemblyDefinition assembly)
  88                 {
  89                         Annotations.CloseSymbolReader (assembly);
  90                 }
  91
  92                 WriterParameters SaveSymbols (AssemblyDefinition assembly)
  93                 {
  94                         var parameters = new WriterParameters ();
  95                         if (!Context.LinkSymbols)
  96                                 return parameters;
  97
  98                         if (!assembly.MainModule.HasSymbols)
  99                                 return parameters;
 100
 101                         if (Context.SymbolWriterProvider != null)
 102                                 parameters.SymbolWriterProvider = Context.SymbolWriterProvider;
 103                         else
 104                                 parameters.WriteSymbols = true;
 105                         return parameters;
 106                 }
 107
 108                 static void CopyConfigFileIfNeeded (AssemblyDefinition assembly, string directory)
 109                 {
 110                         string config = GetConfigFile (GetOriginalAssemblyFileInfo (assembly).FullName);
 111                         if (!File.Exists (config))
 112                                 return;
 113
 114                         string target = Path.GetFullPath (GetConfigFile (GetAssemblyFileName (assembly, directory)));
 115
 116                         if (config == target)
 117                                 return;
 118
 119                         File.Copy (config, GetConfigFile (GetAssemblyFileName (assembly, directory)), true);
 120                 }
 121
 122                 static string GetConfigFile (string assembly)
 123                 {
 124                         return assembly + ".config";
 125                 }
 126
 127                 static FileInfo GetOriginalAssemblyFileInfo (AssemblyDefinition assembly)
 128                 {
 129                         return new FileInfo (assembly.MainModule.FullyQualifiedName);
 130                 }
 131
 132                 static void CopyAssembly (FileInfo fi, string directory, bool symbols)
 133                 {
 134                         string target = Path.GetFullPath (Path.Combine (directory, fi.Name));
 135                         string source = fi.FullName;
 136                         if (source == target)
 137                                 return;
 138
 139                         File.Copy (source, target, true);
 140
 141                         if (!symbols)
 142                                 return;
 143
 144                         source += ".mdb";
 145                         if (!File.Exists (source))
 146                                 return;
 147                         File.Copy (source, target + ".mdb", true);
 148                 }
 149
 150                 static string GetAssemblyFileName (AssemblyDefinition assembly, string directory)
 151                 {
 152                         string file = assembly.Name.Name + (assembly.MainModule.Kind == ModuleKind.Dll ? ".dll" : ".exe");
 153                         return Path.Combine (directory, file);
 154                 }
 155         }
 156 }