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                         Annotations.SaveDependencies ();
  43                 }
  44
  45                 void CheckOutputDirectory ()
  46                 {
  47                         if (Directory.Exists (Context.OutputDirectory))
  48                                 return;
  49
  50                         Directory.CreateDirectory (Context.OutputDirectory);
  51                 }
  52
  53                 protected override void ProcessAssembly (AssemblyDefinition assembly)
  54                 {
  55                         OutputAssembly (assembly);
  56                 }
  57
  58                 void OutputAssembly (AssemblyDefinition assembly)
  59                 {
  60                         string directory = Context.OutputDirectory;
  61
  62                         CopyConfigFileIfNeeded (assembly, directory);
  63
  64                         switch (Annotations.GetAction (assembly)) {
  65                         case AssemblyAction.Save:
  66                         case AssemblyAction.Link:
  67                                 Context.Annotations.AddDependency (assembly);
  68                                 assembly.Write (GetAssemblyFileName (assembly, directory), SaveSymbols (assembly));
  69                                 break;
  70                         case AssemblyAction.Copy:
  71                                 Context.Annotations.AddDependency (assembly);
  72                                 CloseSymbols (assembly);
  73                                 CopyAssembly (GetOriginalAssemblyFileInfo (assembly), directory, Context.LinkSymbols);
  74                                 break;
  75                         case AssemblyAction.Delete:
  76                                 CloseSymbols (assembly);
  77                                 var target = GetAssemblyFileName (assembly, directory);
  78                                 if (File.Exists (target)) {
  79                                         File.Delete (target);
  80                                         File.Delete (target + ".mdb");
  81                                         File.Delete (GetConfigFile (target));
  82                                 }
  83                                 break;
  84                         default:
  85                                 CloseSymbols (assembly);
  86                                 break;
  87                         }
  88                 }
  89
  90                 void CloseSymbols (AssemblyDefinition assembly)
  91                 {
  92                         Annotations.CloseSymbolReader (assembly);
  93                 }
  94
  95                 WriterParameters SaveSymbols (AssemblyDefinition assembly)
  96                 {
  97                         var parameters = new WriterParameters ();
  98                         if (!Context.LinkSymbols)
  99                                 return parameters;
 100
 101                         if (!assembly.MainModule.HasSymbols)
 102                                 return parameters;
 103
 104                         if (Context.SymbolWriterProvider != null)
 105                                 parameters.SymbolWriterProvider = Context.SymbolWriterProvider;
 106                         else
 107                                 parameters.WriteSymbols = true;
 108                         return parameters;
 109                 }
 110
 111                 static void CopyConfigFileIfNeeded (AssemblyDefinition assembly, string directory)
 112                 {
 113                         string config = GetConfigFile (GetOriginalAssemblyFileInfo (assembly).FullName);
 114                         if (!File.Exists (config))
 115                                 return;
 116
 117                         string target = Path.GetFullPath (GetConfigFile (GetAssemblyFileName (assembly, directory)));
 118
 119                         if (config == target)
 120                                 return;
 121
 122                         File.Copy (config, GetConfigFile (GetAssemblyFileName (assembly, directory)), true);
 123                 }
 124
 125                 static string GetConfigFile (string assembly)
 126                 {
 127                         return assembly + ".config";
 128                 }
 129
 130                 static FileInfo GetOriginalAssemblyFileInfo (AssemblyDefinition assembly)
 131                 {
 132                         return new FileInfo (assembly.MainModule.FullyQualifiedName);
 133                 }
 134
 135                 static void CopyAssembly (FileInfo fi, string directory, bool symbols)
 136                 {
 137                         string target = Path.GetFullPath (Path.Combine (directory, fi.Name));
 138                         string source = fi.FullName;
 139                         if (source == target)
 140                                 return;
 141
 142                         File.Copy (source, target, true);
 143
 144                         if (!symbols)
 145                                 return;
 146
 147                         source += ".mdb";
 148                         if (!File.Exists (source))
 149                                 return;
 150                         File.Copy (source, target + ".mdb", true);
 151                 }
 152
 153                 static string GetAssemblyFileName (AssemblyDefinition assembly, string directory)
 154                 {
 155                         string file = assembly.Name.Name + (assembly.MainModule.Kind == ModuleKind.Dll ? ".dll" : ".exe");
 156                         return Path.Combine (directory, file);
 157                 }
 158         }
 159 }