Added support for Objective-C and Objective-C++ in xcode and gmake2

- Added unit tests for Objective-C and Objective-C++

modules/gmake/gmake_cpp.lua

@@ -164,9 +164,9 @@
 	function cpp.compileas(prj, node)
 		local result
 		if node["compileas"] then
-			if p.languages.isc(node.compileas) then
+			if p.languages.isc(node.compileas) or node.compileas == p.OBJECTIVEC then
 				result = '$(CC) $(ALL_CFLAGS)'
-			elseif p.languages.iscpp(node.compileas) then
+			elseif p.languages.iscpp(node.compileas) or node.compileas == p.OBJECTIVECPP then
 				result = '$(CXX) $(ALL_CXXFLAGS)'
 			end
 		end

modules/gmake2/tests/test_gmake2_perfile_flags.lua

@@ -90,3 +90,21 @@ PERFILE_FLAGS_2 = $(ALL_CFLAGS) -msse -msse2 -mfpmath=sse,387 -msse3 -mssse3 -ms
 PERFILE_FLAGS_0 = $(ALL_CXXFLAGS) -fvisibility=protected
 		]]
 	end
+
+	function suite.perfile_compileas()
+		files { 'a.c', 'b.cpp' }
+
+		filter { 'files:a.c' }
+			compileas "Objective-C"
+		filter { 'files:b.cpp' }
+			compileas "Objective-C++"
+
+		prepare()
+		test.capture [[
+# Per File Configurations
+# #############################################
+
+PERFILE_FLAGS_0 = $(ALL_CFLAGS) -x objective-c
+PERFILE_FLAGS_1 = $(ALL_CXXFLAGS) -x objective-c++
+		]]
+	end

modules/xcode/tests/test_xcode_project.lua

@@ -298,15 +298,21 @@
 	end
 
 	function suite.PBXFileReference_ListsSourceFilesCompileAs()
-		files { "source.c" }
+		files { "source.c", "objsource.c", "objsource.cpp" }
 		filter { "files:source.c" }
 			compileas "C++"
+		filter { "files:objsource.c" }
+			compileas "Objective-C"
+		filter { "files:objsource.cpp" }
+			compileas "Objective-C++"
 		prepare()
 		xcode.PBXFileReference(tr)
 		test.capture [[
 /* Begin PBXFileReference section */
 		19A5C4E61D1697189E833B26 /* MyProject */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; name = MyProject; path = MyProject; sourceTree = BUILT_PRODUCTS_DIR; };
 		7DC6D30C8137A53E02A4494C /* source.c */ = {isa = PBXFileReference; explicitFileType = sourcecode.cpp.cpp; name = source.c; path = source.c; sourceTree = "<group>"; };
+		C8C6CC62F1018514D89D12A2 /* objsource.cpp */ = {isa = PBXFileReference; explicitFileType = sourcecode.cpp.objcpp; name = objsource.cpp; path = objsource.cpp; sourceTree = "<group>"; };
+		E4BF12E20AE5429471EC3922 /* objsource.c */ = {isa = PBXFileReference; explicitFileType = sourcecode.c.objc; name = objsource.c; path = objsource.c; sourceTree = "<group>"; };
 		]]
 	end
 

modules/xcode/xcode_common.lua

@@ -106,9 +106,9 @@
 					return "sourcecode.c.c"
 				elseif p.languages.iscpp(filecfg.compileas) then
 					return "sourcecode.cpp.cpp"
-				elseif filecfg.language == "ObjC" then
+				elseif filecfg.compileas == p.OBJECTIVEC then
 					return "sourcecode.c.objc"
-				elseif 	filecfg.language == "ObjCpp" then
+				elseif filecfg.compileas == p.OBJECTIVECPP then
 					return "sourcecode.cpp.objcpp"
 				end
 			end

src/_premake_init.lua

@@ -182,6 +182,8 @@
 			"Default",
 			"C",
 			"C++",
+			"Objective-C",
+			"Objective-C++",
 		}
 	}
 

src/base/_foundation.lua

@@ -42,6 +42,8 @@
 	premake.MBCS        = "MBCS"
 	premake.NONE        = "None"
 	premake.DEFAULT     = "Default"
+	premake.OBJECTIVEC   = "Objective-C"
+	premake.OBJECTIVECPP = "Objective-C++"
 	premake.ON          = "On"
 	premake.OFF         = "Off"
 	premake.POSIX       = "posix"

src/tools/clang.lua

@@ -63,7 +63,8 @@
 		warnings = gcc.shared.warnings,
 		symbols = gcc.shared.symbols,
 		unsignedchar = gcc.shared.unsignedchar,
-		omitframepointer = gcc.shared.omitframepointer
+		omitframepointer = gcc.shared.omitframepointer,
+		compileas = gcc.shared.compileas
 	}
 
 	clang.cflags = table.merge(gcc.cflags, {

src/tools/gcc.lua

@@ -121,6 +121,10 @@
 		omitframepointer = {
 			On = "-fomit-frame-pointer",
 			Off = "-fno-omit-frame-pointer"
+		},
+		compileas = {
+			["Objective-C"] = "-x objective-c",
+			["Objective-C++"] = "-x objective-c++",
 		}
 	}