Patch 3317329: Support vstudio CompileAs for mixed-language projects (xpol)

CHANGES.txt

@@ -34,6 +34,7 @@
 * Patch 3138574: NoImportLib ignored in Windows makefiles dependencies (rjmyst3)
 * Patch 3367641: Remove warnings in Xcode 4
 * Patch 3372345: Gmake action's PCHs don't work with Mingw (Martin Ridgers)
+* Patch 3317329: Support vstudio CompileAs for mixed-language projects (xpol)
 
 
 -------

src/actions/vstudio/vs200x_vcproj.lua

@@ -122,8 +122,10 @@
 
 			-- source files are handled at the leaves
 			onleaf = function(node, depth)
+				local fname = node.cfg.name
+				
 				_p(depth, '<File')
-				_p(depth, '\tRelativePath="%s"', path.translate(node.cfg.name, "\\"))
+				_p(depth, '\tRelativePath="%s"', path.translate(fname, "\\"))
 				_p(depth, '\t>')
 				depth = depth + 1
 
@@ -134,21 +136,33 @@
 						local cfg = premake.getconfig(prj, cfginfo.src_buildcfg, cfginfo.src_platform)
 						
 						local usePCH = (not prj.flags.NoPCH and prj.pchsource == node.cfg.name)
-						if (usePCH) then
+						local useCompileAs = (path.iscfile(fname) ~= premake.project.iscproject(prj))
+						
+						if usePCH or useCompileAs then
 							_p(depth, '<FileConfiguration')
 							_p(depth, '\tName="%s"', cfginfo.name)
 							_p(depth, '\t>')
 							_p(depth, '\t<Tool')
-							_p(depth, '\t\tName="%s"', iif(cfg.system == "Xbox360", "VCCLX360CompilerTool", "VCCLCompilerTool"))
+							_p(depth, '\t\tName="%s"', iif(cfg.system == "Xbox360", 
+							                                 "VCCLX360CompilerTool", 
+							                                 "VCCLCompilerTool"))
 
+							if useCompileAs then
+								_p(depth, '\t\tCompileAs="%s"', iif(path.iscfile(fname), 1, 2))
+							end
+							
+							if usePCH then
 								if cfg.system == "PS3" then
-			                    local options = table.join(premake.snc.getcflags(cfg), premake.snc.getcxxflags(cfg), cfg.buildoptions)
+									local options = table.join(premake.snc.getcflags(cfg), 
+									                           premake.snc.getcxxflags(cfg), 
+									                           cfg.buildoptions)
 									options = table.concat(options, " ");
 									options = options .. ' --create_pch="$(IntDir)/$(TargetName).pch"'			                    
 									_p(depth, '\t\tAdditionalOptions="%s"', premake.esc(options))
 								else
 									_p(depth, '\t\tUsePrecompiledHeader="1"')
 								end
+							end
 
 							_p(depth, '\t/>')
 							_p(depth, '</FileConfiguration>')

src/base/project.lua

@@ -621,6 +621,15 @@
 
 
 
+--
+-- Returns true if the project use the C language.
+--
+
+	function premake.project.iscproject(prj)
+		return prj.language == "C"
+	end
+
+
 --
 -- Returns true if the project uses a C/C++ language.
 --

tests/actions/vstudio/vc200x/files.lua

@@ -32,18 +32,18 @@
 --
 
 	function suite.SimpleSourceFile()
-		files { "hello.c" }
+		files { "hello.cpp" }
 		prepare()
 		test.capture [[
 		<File
-			RelativePath="hello.c"
+			RelativePath="hello.cpp"
 			>
 		</File>
 		]]
 	end
 
 	function suite.SingleFolderLevel()
-		files { "src/hello.c" }
+		files { "src/hello.cpp" }
 		prepare()
 		test.capture [[
 		<Filter
@@ -51,7 +51,7 @@
 			Filter=""
 			>
 			<File
-				RelativePath="src\hello.c"
+				RelativePath="src\hello.cpp"
 				>
 			</File>
 		</Filter>
@@ -59,7 +59,7 @@
 	end
 
 	function suite.MultipleFolderLevels()
-		files { "src/greetings/hello.c" }
+		files { "src/greetings/hello.cpp" }
 		prepare()
 		test.capture [[
 		<Filter
@@ -71,7 +71,7 @@
 				Filter=""
 				>
 				<File
-					RelativePath="src\greetings\hello.c"
+					RelativePath="src\greetings\hello.cpp"
 					>
 				</File>
 			</Filter>
@@ -80,6 +80,67 @@
 	end
 
 
+--
+-- Mixed language support
+--
+
+	function suite.CompileAsC_InCppProject()
+		language "c++"
+		files { "hello.c" }
+		prepare()
+		test.capture [[
+		<File
+			RelativePath="hello.c"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					CompileAs="1"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					CompileAs="1"
+				/>
+			</FileConfiguration>
+		</File>
+		]]
+	end
+
+	function suite.CompileAsCpp_InCProject()
+		language "c"
+		files { "hello.cpp" }
+		prepare()
+		test.capture [[
+		<File
+			RelativePath="hello.cpp"
+			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					CompileAs="2"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					CompileAs="2"
+				/>
+			</FileConfiguration>
+		</File>
+		]]
+	end
+
+
 --
 -- PCH support
 --

tests/actions/vstudio/vc200x/test_filters.lua

@@ -40,8 +40,8 @@ local vc200x = premake.vstudio.vc200x
 --
 
 	function suite.Filter_UsesVirtualForm_OnVpath()
-		files { "src/hello.c" }
-		vpaths { ["Source Files"] = "**.c" }		
+		files { "src/hello.cpp" }
+		vpaths { ["Source Files"] = "**.cpp" }		
 		prepare()
 		vc200x.Files(prj)
 		test.capture [[
@@ -50,7 +50,7 @@ local vc200x = premake.vstudio.vc200x
 			Filter=""
 			>
 			<File
-				RelativePath="src\hello.c"
+				RelativePath="src\hello.cpp"
 				>
 			</File>
 		</Filter>