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