Add PNaCl support for VS addin.

visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.cs

 
 using System;
 using System.IO;
 using System.Resources;
 using System.Reflection;
 using System.Text;
 using Microsoft.Build.Framework;
 using Microsoft.Build.CPPTasks;
+using Microsoft.Build.Utilities;
 
 
 namespace NaCl.Build.CPPTasks
 {
-    public class NaClLink : TrackedVCToolTask
-        {
+    public class NaClLink : NaClToolTask
+    {
         private XamlParser m_XamlParser;
 
         public bool BuildingInIDE { get; set; }
 
         [Required]
         public string OutputCommandLine { get; set; }
 
         [Required]
         public string NaClLinkerPath { get; set; }
 
         [Required]
+        public string Platform { get; set; }
+
+        [Required]
         public virtual string OutputFile { get; set; }
 
         [Required]
         public string PropertiesFile { get; set; }
 
         [Required]
-        public virtual ITaskItem[] Sources { get; set; }
+        public string ConfigurationType { get; set; }
 
-        [Required]
-        public string ConfigurationType { get; set; }
+        protected override CanonicalTrackedOutputFiles OutputWriteTLog(ITaskItem[] inputs)
+        {
+            string path = Path.Combine(TlogDirectory, WriteTLogFilename);
+            TaskItem item = new TaskItem(path);
+            CanonicalTrackedOutputFiles trackedFiles = new CanonicalTrackedOutputFiles(new TaskItem[] { item });
+
+            foreach (ITaskItem sourceItem in Sources)
+            {
+                //remove this entry associated with compiled source which is about to be recomputed
+                trackedFiles.RemoveEntriesForSource(sourceItem);
+
+                //add entry with updated information
+                trackedFiles.AddComputedOutputForSourceRoot(Path.GetFullPath(sourceItem.ItemSpec).ToUpperInvariant(),
+                                                            OutputFile);
+            }
+
+            //output tlog
+            trackedFiles.SaveTlog();
+
+            return trackedFiles;
+        }
+
+        protected override void OutputReadTLog(ITaskItem[] compiledSources, CanonicalTrackedOutputFiles outputs)
+        {
+            string trackerPath = Path.GetFullPath(TlogDirectory + ReadTLogFilenames[0]);
+
+            using (StreamWriter writer = new StreamWriter(trackerPath, false, Encoding.Unicode))
+            {
+                string sourcePath = "";
+                foreach (ITaskItem source in Sources)
+                {
+                    if (sourcePath != "")
+                        sourcePath += "|";
+                    sourcePath += Path.GetFullPath(source.ItemSpec).ToUpperInvariant();
+                }
+
+                writer.WriteLine("^" + sourcePath);
+                foreach (ITaskItem source in Sources)
+                {
+                    writer.WriteLine(Path.GetFullPath(source.ItemSpec).ToUpperInvariant());
+                }
+                writer.WriteLine(Path.GetFullPath(OutputFile).ToUpperInvariant());
+            }
+        }
+
+        protected override void OutputCommandTLog(ITaskItem[] compiledSources)
+        {
+            //write tlog
+            using (StreamWriter writer = new StreamWriter(TLogCommandFile.GetMetadata("FullPath"), false, Encoding.Unicode))
+            {
+                string cmds = GenerateResponseFileCommands();
+                string sourcePath = "";
+                foreach (ITaskItem source in Sources)
+                {
+                    if (sourcePath != "")
+                        sourcePath += "|";
+                    sourcePath += Path.GetFullPath(source.ItemSpec).ToUpperInvariant();
+                }
+
+                writer.WriteLine("^" + sourcePath);
+                writer.WriteLine(cmds);
+            }
+        }
 
         public NaClLink()
             : base(new ResourceManager("NaCl.Build.CPPTasks.Properties.Resources", Assembly.GetExecutingAssembly()))
         {
-          this.EnvironmentVariables = new string[] { "CYGWIN=nodosfilewarning", "LC_CTYPE=C" };
-        }
-
-        protected override string CommandTLogName
-        {
-            get
-            {
-                return "default.link.command.tlog";
-            }
-        }
-
-        protected override string[] ReadTLogNames
-        {
-            get
-            {
-                return new string[] { 
-                    "default.link.read.tlog"
-                };
-            }
-        }
-
-        protected override string[] WriteTLogNames
-        {
-            get
-            {
-                return new string[] { 
-                    "default.link.write.tlog"
-                };
-            }
+            this.EnvironmentVariables = new string[] { "CYGWIN=nodosfilewarning", "LC_CTYPE=C" };
         }
 
         protected override void LogEventsFromTextOutput(string singleLine, MessageImportance messageImportance)
         {
             base.LogEventsFromTextOutput(GCCUtilities.ConvertGCCOutput(singleLine), messageImportance);
         }
 
         protected override string GenerateResponseFileCommands()
         {
             StringBuilder responseFileCmds = new StringBuilder(GCCUtilities.s_CommandLineLength);
 
             // We want GCC to behave more like visual studio in term of library dependencies
             // so we wrap all the inputs (libraries and object) into one group so they are
             // searched iteratively.
             responseFileCmds.Append("-Wl,--start-group ");
             foreach (ITaskItem sourceFile in Sources)
             {
                 responseFileCmds.Append(GCCUtilities.ConvertPathWindowsToPosix(sourceFile.GetMetadata("Identity")));
                 responseFileCmds.Append(" ");
             }
             responseFileCmds.Append("-Wl,--end-group ");
 
             responseFileCmds.Append(m_XamlParser.Parse(Sources[0], false));
 
             return responseFileCmds.ToString();
         }
 
         public override bool Execute()
         {
+            if (Platform.Equals("pnacl", StringComparison.OrdinalIgnoreCase))
+            {
+                if (!GCCUtilities.FindPython())
+                {
+                    Log.LogError("PNaCl linking requires python in your executable path.");
+                    return false;
+                }
+            }
+
             bool returnResult = false;
 
             try
             {
                 m_XamlParser = new XamlParser(PropertiesFile);
-
+                if (!Setup())
+                    return false;
                 returnResult = base.Execute();
             }
             finally
             {
 
             }
 
             return returnResult;
         }
 
         protected override int ExecuteTool(string pathToTool, string responseFileCommands, string commandLineCommands)
         {
             if (OutputCommandLine == "true")
             {
                 Log.LogMessage(MessageImportance.High, pathToTool + "  " + responseFileCommands);
             }
 
             return base.ExecuteTool(pathToTool, responseFileCommands, commandLineCommands);
         }
 
-        protected override void PostProcessSwitchList()
-        {
-            //skip default behavior
-        }
-
         protected override string GenerateFullPathToTool()
         {
             return this.ToolName;
         }
 
-        protected override string TrackerIntermediateDirectory
-        {
-            get
-            {
-                if (this.TrackerLogDirectory != null)
-                {
-                    return this.TrackerLogDirectory;
-                }
-
-                return string.Empty;
-            }
-        }
-
         protected override Encoding ResponseFileEncoding
         {
             get
             {
                 return Encoding.ASCII;
             }
         }
 
-        protected override ITaskItem[] TrackedInputFiles
-        {
-            get
-            {
-                return this.Sources;
-            }
-        }
-
-        protected override bool MaintainCompositeRootingMarkers
-        {
-            get
-            {
-                return true;
-            }
-
-        }
-
         protected override string ToolName
         {
             get
             {
                 return NaClLinkerPath;
             }
         }
 
-        public override bool AttributeFileTracking
+        protected override string CommandTLogFilename
         {
             get
             {
-                return true;
+                return BaseTool() + ".link.command.1.tlog";
             }
-        }     
+        }
+
+        protected override string[] ReadTLogFilenames
+        {
+            get
+            {
+                return new string[] { BaseTool() + ".link.read.1.tlog" };
+            }
+        }
+
+        protected override string WriteTLogFilename
+        {
+            get
+            {
+                return BaseTool() + ".link.write.1.tlog";
+            }
+        }
 
         public virtual string PlatformToolset
         {
             get
             {
                 return "GCC";
             }
             set
             {}
-        }  
-
-        public string TrackerLogDirectory { get; set; }
-        }
+        }
+    }
 }