Add PNaCl support for VS addin.

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

Index: visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.cs
diff --git a/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.cs b/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.cs
index 768051e501fb8aa4a34cc26b42d35f66a75c243b..cb8f50f9ee134035dece8382d4276a07abf5c292 100644
--- a/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.cs
+++ b/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClLink.cs
@@ -6,12 +6,13 @@ 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; }
@@ -23,51 +24,87 @@ namespace NaCl.Build.CPPTasks
         public string NaClLinkerPath { get; set; }
 
         [Required]
-        public virtual string OutputFile { get; set; }
+        public string Platform { get; set; }
 
         [Required]
-        public string PropertiesFile { get; set; }
+        public virtual string OutputFile { get; set; }
 
         [Required]
-        public virtual ITaskItem[] Sources { get; set; }
+        public string PropertiesFile { get; set; }
 
         [Required]
         public string ConfigurationType { get; set; }
 
-        public NaClLink()
-            : base(new ResourceManager("NaCl.Build.CPPTasks.Properties.Resources", Assembly.GetExecutingAssembly()))
+        protected override CanonicalTrackedOutputFiles OutputWriteTLog(ITaskItem[] inputs)
         {
-          this.EnvironmentVariables = new string[] { "CYGWIN=nodosfilewarning", "LC_CTYPE=C" };
-        }
+            string path = Path.Combine(TlogDirectory, WriteTLogFilename);
+            TaskItem item = new TaskItem(path);
+            CanonicalTrackedOutputFiles trackedFiles = new CanonicalTrackedOutputFiles(new TaskItem[] { item });
 
-        protected override string CommandTLogName
-        {
-            get
+            foreach (ITaskItem sourceItem in Sources)
             {
-                return "default.link.command.tlog";
+                //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 string[] ReadTLogNames
+        protected override void OutputReadTLog(ITaskItem[] compiledSources, CanonicalTrackedOutputFiles outputs)
         {
-            get
+            string trackerPath = Path.GetFullPath(TlogDirectory + ReadTLogFilenames[0]);
+
+            using (StreamWriter writer = new StreamWriter(trackerPath, false, Encoding.Unicode))
             {
-                return new string[] { 
-                    "default.link.read.tlog"
-                };
+                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 string[] WriteTLogNames
+        protected override void OutputCommandTLog(ITaskItem[] compiledSources)
         {
-            get
+            //write tlog
+            using (StreamWriter writer = new StreamWriter(TLogCommandFile.GetMetadata("FullPath"), false, Encoding.Unicode))
             {
-                return new string[] { 
-                    "default.link.write.tlog"
-                };
+                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 void LogEventsFromTextOutput(string singleLine, MessageImportance messageImportance)
         {
             base.LogEventsFromTextOutput(GCCUtilities.ConvertGCCOutput(singleLine), messageImportance);
@@ -95,12 +132,22 @@ namespace NaCl.Build.CPPTasks
 
         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
@@ -121,29 +168,11 @@ namespace NaCl.Build.CPPTasks
             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
@@ -152,38 +181,37 @@ namespace NaCl.Build.CPPTasks
             }
         }
 
-        protected override ITaskItem[] TrackedInputFiles
+        protected override string ToolName
         {
             get
             {
-                return this.Sources;
+                return NaClLinkerPath;
             }
         }
 
-        protected override bool MaintainCompositeRootingMarkers
+        protected override string CommandTLogFilename
         {
             get
             {
-                return true;
+                return BaseTool() + ".link.command.1.tlog";
             }
-
         }
 
-        protected override string ToolName
+        protected override string[] ReadTLogFilenames
         {
             get
             {
-                return NaClLinkerPath;
+                return new string[] { BaseTool() + ".link.read.1.tlog" };
             }
         }
 
-        public override bool AttributeFileTracking
+        protected override string WriteTLogFilename
         {
             get
             {
-                return true;
+                return BaseTool() + ".link.write.1.tlog";
             }
-        }     
+        }
 
         public virtual string PlatformToolset
         {
@@ -193,8 +221,6 @@ namespace NaCl.Build.CPPTasks
             }
             set
             {}
-        }  
-
-        public string TrackerLogDirectory { get; set; }
-	}
+        }
+    }
 }