ParserGen: Linux binding generation

Add code to generate Linux bindings.

This is experimental for now.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@iki.fi>

src/CppParser/Bindings/ParserGen.cs

@@ -14,6 +14,8 @@ namespace CppSharp
     /// </summary>
     class ParserGen : ILibrary
     {
+        const string LINUX_INCLUDE_BASE_DIR = "../../../../deps/x86_64-linux-gnu";
+
         internal readonly GeneratorKind Kind;
         internal readonly string Triple;
         internal readonly CppAbi Abi;
@@ -63,6 +65,9 @@ namespace CppSharp
             if (Triple.Contains("apple"))
                 SetupMacOptions(options);
 
+            if (Triple.Contains("linux"))
+                SetupLinuxOptions(options);
+
             var basePath = Path.Combine(GetSourceDirectory("src"), "CppParser");
             options.addIncludeDirs(basePath);
             options.addLibraryDirs(".");
@@ -77,6 +82,26 @@ namespace CppSharp
             options.CheckSymbols = false;
         }
 
+        private static void SetupLinuxOptions(DriverOptions options)
+        {
+            options.MicrosoftMode = false;
+            options.NoBuiltinIncludes = true;
+
+            string[] sysincdirs = new[] {
+                "/usr/include/c++/4.8",
+                "/usr/include/x86_64-linux-gnu/c++/4.8",
+                "/usr/include/c++/4.8/backward",
+                "/usr/lib/gcc/x86_64-linux-gnu/4.8/include",
+                "/usr/include/x86_64-linux-gnu",
+                "/usr/include",
+            };
+
+            foreach (var dir in sysincdirs)
+            {
+                options.addSystemIncludeDirs(LINUX_INCLUDE_BASE_DIR + dir);
+            }
+        }
+
         private static void SetupMacOptions(DriverOptions options)
         {
             options.MicrosoftMode = false;
@@ -131,6 +156,14 @@ namespace CppSharp
                     CppAbi.Itanium));
                 Console.WriteLine();
             }
+
+            if (Directory.Exists(LINUX_INCLUDE_BASE_DIR))
+            {
+                Console.WriteLine("Generating the C# parser bindings for Linux...");
+                ConsoleDriver.Run(new ParserGen(GeneratorKind.CSharp, "x86_64-linux-gnu",
+                     CppAbi.Itanium));
+                Console.WriteLine();
+            }
         }
     }