clang-format vs plugin: bake clang-format.exe into the vsix

This makes the clang-format plugin self-contained. Instead of
requiring clang-format.exe to be available on the PATH, this
includes it in the plugin's installer (.vsix file) and runs it
from the install directory.

Differential Revision: http://llvm-reviews.chandlerc.com/D2281

llvm-svn: 196122

Author: zmodem

clang/tools/clang-format-vs/ClangFormat/ClangFormat.csproj

@@ -178,6 +178,9 @@
     <None Include="Resources\Images_32bit.bmp" />
   </ItemGroup>
   <ItemGroup>
+    <Content Include="clang-format.exe">
+      <IncludeInVSIX>true</IncludeInVSIX>
+    </Content>
     <Content Include="Resources\Package.ico" />
   </ItemGroup>
   <ItemGroup>

clang/tools/clang-format-vs/ClangFormat/ClangFormatPackage.cs

@@ -22,6 +22,7 @@
 using System.ComponentModel;
 using System.ComponentModel.Design;
 using System.IO;
+using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Xml.Linq;
 
@@ -128,9 +129,12 @@ private void MenuItemCallback(object sender, EventArgs args)
         /// </summary>
         private string RunClangFormat(string text, int offset, int length, string path)
         {
+            string vsixPath = Path.GetDirectoryName(Uri.UnescapeDataString(
+                new UriBuilder(Assembly.GetExecutingAssembly().CodeBase).Path));
+
             System.Diagnostics.Process process = new System.Diagnostics.Process();
             process.StartInfo.UseShellExecute = false;
-            process.StartInfo.FileName = "clang-format.exe";
+            process.StartInfo.FileName = vsixPath + "\\clang-format.exe";
             // Poor man's escaping - this will not work when quotes are already escaped
             // in the input (but we don't need more).
             string style = GetStyle().Replace("\"", "\\\"");

clang/tools/clang-format-vs/README.txt

@@ -5,3 +5,6 @@ Build prerequisites are:
 - Visual Studio 2012 Professional
 - Visual Studio 2010 Professional
 - Visual Studio 2010 SDK.
+
+clang-format.exe must be copied into the ClangFormat/ directory before building.
+It will be bundled into the .vsix file.