[core] Use 'cdialect' and 'cppdialect' instead of 'language'.

modules/codelite/_preload.lua

@@ -22,13 +22,10 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "Makefile", "SharedLib", "StaticLib", "Utility" },
+		valid_languages = { "C", "C++" },
 		valid_tools     = {
 			cc = { "gcc", "clang", "msc" }
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang)
-		end,
 
 		-- Workspace and project generation logic
 

modules/codelite/codelite_project.lua

@@ -355,11 +355,11 @@
 	end
 
 	function m.isCpp11(cfg)
-		return (cfg.language == 'gnu++11') or (cfg.language == 'C++11') or cfg.flags["C++11"]
+		return (cfg.cppdialect == 'gnu++11') or (cfg.cppdialect == 'C++11')
 	end
 
 	function m.isCpp14(cfg)
-		return (cfg.language == 'gnu++14') or (cfg.language == 'C++14') or cfg.flags["C++14"]
+		return (cfg.cppdialect == 'gnu++14') or (cfg.cppdialect == 'C++14')
 	end
 
 	function m.completion(cfg)

modules/codelite/tests/test_codelite_config.lua

@@ -41,13 +41,14 @@
 		rtti "Off"
 		pic "On"
 		symbols "On"
-		language "C++11"
+		language "C++"
+		cppdialect "C++11"
 		flags { "NoBufferSecurityCheck" }
 		buildoptions { "-opt1", "-opt2" }
 		prepare()
 		codelite.project.compiler(cfg)
 		test.capture [[
-      <Compiler Options="-O0;-fPIC;-g;-fno-exceptions;-fno-stack-protector;-std=c++11;-fno-rtti;-opt1;-opt2" C_Options="-O0;-fPIC;-g;-opt1;-opt2" Assembler="" Required="yes" PreCompiledHeader="" PCHInCommandLine="no" UseDifferentPCHFlags="no" PCHFlags="">
+      <Compiler Options="-O0;-fPIC;-g;-std=c++11;-fno-exceptions;-fno-stack-protector;-fno-rtti;-opt1;-opt2" C_Options="-O0;-fPIC;-g;-opt1;-opt2" Assembler="" Required="yes" PreCompiledHeader="" PCHInCommandLine="no" UseDifferentPCHFlags="no" PCHFlags="">
       </Compiler>
 		]]
 	end
@@ -219,7 +220,8 @@ cmd2</StartupCommands>
 	end
 
 	function suite.OnProject_Completion()
-		language "C++11"
+		language "C++"
+		cppdialect "C++11"
 		prepare()
 		codelite.project.completion(prj)
 		test.capture [[

modules/d/_preload.lua

@@ -19,8 +19,6 @@
 --
 
 	p.D = "D"
-
-	table.insert(p.languages.all, p.D)
 	api.addAllowed("language", p.D)
 
 	api.addAllowed("floatingpoint", "None")

modules/d/actions/gmake.lua

@@ -28,12 +28,9 @@
 --
 -- Patch the gmake action with the allowed tools...
 --
+	gmake.valid_languages = table.join(gmake.valid_languages, { p.D } )
 	gmake.valid_tools.dc = { "dmd", "gdc", "ldc" }
 
-	p.override(gmake, "supports_language", function(oldfn, lang)
-		return oldfn(lang) or lang == p.D;
-	end)
-
 	function m.make.separateCompilation(prj)
 		local some = false
 		local all = true

modules/d/actions/vstudio.lua

@@ -19,12 +19,10 @@
 -- Patch the vstudio actions with D support...
 --
 
-	for k,v in pairs({ "vs2005", "vs2008", "vs2010", "vs2012", "vs2013", "vs2015" }) do
+	for k,v in pairs({ "vs2005", "vs2008", "vs2010", "vs2012", "vs2013", "vs2015", "vs2017" }) do
 		local vs = p.action.get(v)
 		if vs ~= nil then
-			p.override(vs, "supports_language", function(oldfn, lang)
-				return oldfn(lang) or lang == p.D;
-			end)
+			table.insert( vs.valid_languages, p.D )
 			vs.valid_tools.dc = { "dmd", "gdc", "ldc" }
 
 			p.override(vs, "onProject", function(oldfn, prj)

modules/xcode/_preload.lua

@@ -40,13 +40,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "SharedLib", "StaticLib", "Makefile", "None" },
+		valid_languages = { "C", "C++" },
 		valid_tools     = {
 			cc = { "gcc", "clang" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang)
-		end,
+
 
 		-- Workspace and project generation logic
 

modules/xcode/xcode_common.lua

@@ -960,18 +960,8 @@
 
 
 	function xcode.XCBuildConfiguration_CLanguageStandard(settings, cfg)
-		if (p.languages.isc(cfg.language)) then
-			if cfg.language ~= "C" then
-				settings['GCC_C_LANGUAGE_STANDARD'] = cfg.language:lower()
-			else
-				if cfg.flags['C99'] then
-					settings['GCC_C_LANGUAGE_STANDARD'] = 'C99'
-				elseif cfg.flags['C11'] then
-					settings['GCC_C_LANGUAGE_STANDARD'] = 'C11'
-				else
-					settings['GCC_C_LANGUAGE_STANDARD'] = 'C90'
-				end
-			end
+		if cfg.cdialect and cfg.cdialect ~= "Default" then
+			settings['GCC_C_LANGUAGE_STANDARD'] = cfg.cdialect
 		else
 			settings['GCC_C_LANGUAGE_STANDARD'] = 'gnu99'
 		end
@@ -979,16 +969,8 @@
 
 
 	function xcode.XCBuildConfiguration_CppLanguageStandard(settings, cfg)
-		if (p.languages.iscpp(cfg.language)) then
-			if cfg.language ~= "C++" then
-				settings['CLANG_CXX_LANGUAGE_STANDARD'] = cfg.language:lower()
-			else
-				if cfg.flags['C++11'] then
-					settings['CLANG_CXX_LANGUAGE_STANDARD'] = 'c++11'
-				elseif cfg.flags['C++14'] then
-					settings['CLANG_CXX_LANGUAGE_STANDARD'] = 'c++14'
-				end
-			end
+		if cfg.cppdialect and cfg.cppdialect ~= "Default" then
+			settings['CLANG_CXX_LANGUAGE_STANDARD'] = cfg.cppdialect
 		end
 	end
 

src/_premake_init.lua

@@ -696,9 +696,47 @@
 
 	api.register {
 		name = "language",
+		scope = "project",
+		kind = "string",
+		allowed = {
+			"C",
+			"C++",
+			"C#"
+		}
+	}
+
+	api.register {
+		name = "cdialect",
 		scope = "config",
 		kind = "string",
-		allowed = p.languages.all
+		allowed = {
+			"Default",
+			"C89",
+			"C90",
+			"C99",
+			"C11",
+			"gnu89",
+			"gnu90",
+			"gnu99",
+			"gnu11",
+		}
+	}
+
+	api.register {
+		name = "cppdialect",
+		scope = "config",
+		kind = "string",
+		allowed = {
+			"Default",
+			"C++98",
+			"C++11",
+			"C++14",
+			"C++17",
+			"gnu++98",
+			"gnu++11",
+			"gnu++14",
+			"gnu++17",
+		}
 	}
 
 	api.register {
@@ -1368,11 +1406,45 @@
 
 	-- 31 January 2017
 
-	api.deprecateValue("flags", "C++11", 'Use `language "C++11"` instead', function(value) end, function(value) end)
-	api.deprecateValue("flags", "C++14", 'Use `language "C++14"` instead', function(value) end, function(value) end)
-	api.deprecateValue("flags", "C90",   'Use `language "C90"` instead',   function(value) end, function(value) end)
-	api.deprecateValue("flags", "C99",   'Use `language "C99"` instead',   function(value) end, function(value) end)
-	api.deprecateValue("flags", "C11",   'Use `language "C11"` instead',   function(value) end, function(value) end)
+	api.deprecateValue("flags", "C++11", 'Use `cppdialect "C++11"` instead',
+	function(value)
+		cppdialect "C++11"
+	end,
+	function(value)
+		cppdialect "Default"
+	end)
+
+	api.deprecateValue("flags", "C++14", 'Use `cppdialect "C++14"` instead',
+	function(value)
+		cppdialect "C++14"
+	end,
+	function(value)
+		cppdialect "Default"
+	end)
+
+	api.deprecateValue("flags", "C90",   'Use `cdialect "gnu90"` instead',
+	function(value)
+		cdialect "gnu90"
+	end,
+	function(value)
+		cdialect "Default"
+	end)
+
+	api.deprecateValue("flags", "C99",   'Use `cdialect "gnu99"` instead',
+	function(value)
+		cdialect "gnu99"
+	end,
+	function(value)
+		cdialect "Default"
+	end)
+
+	api.deprecateValue("flags", "C11",   'Use `cdialect "gnu11"` instead',
+	function(value)
+		cdialect "gnu11"
+	end,
+	function(value)
+		cdialect "Default"
+	end)
 
 
 	-- 13 April 2017

src/actions/make/_make.lua

@@ -21,18 +21,12 @@
 		description     = "Generate GNU makefiles for POSIX, MinGW, and Cygwin",
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Utility", "Makefile" },
-
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "clang", "gcc" },
 			dotnet = { "mono", "msnet", "pnet" }
 		},
 
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
-
 		onWorkspace = function(wks)
 			p.escaper(make.esc)
 			p.generate(wks, make.getmakefilename(wks, false), make.generate_workspace)

src/actions/vstudio/vs2005.lua

@@ -86,15 +86,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Makefile", "None" },
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "msc"   },
 			dotnet = { "msnet" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
 
 		-- Workspace and project generation logic
 

src/actions/vstudio/vs2008.lua

@@ -28,15 +28,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Makefile", "None" },
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "msc"   },
 			dotnet = { "msnet" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
 
 		-- Workspace and project generation logic
 

src/actions/vstudio/vs2010.lua

@@ -135,15 +135,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Makefile", "None", "Utility" },
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "msc"   },
 			dotnet = { "msnet" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
 
 		-- Workspace and project generation logic
 

src/actions/vstudio/vs2012.lua

@@ -28,15 +28,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Makefile", "None", "Utility" },
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "msc"   },
 			dotnet = { "msnet" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
 
 		-- Workspace and project generation logic
 

src/actions/vstudio/vs2013.lua

@@ -31,15 +31,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Makefile", "None", "Utility" },
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "msc"   },
 			dotnet = { "msnet" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
 
 		-- Workspace and project generation logic
 

src/actions/vstudio/vs2015.lua

@@ -31,15 +31,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Makefile", "None", "Utility" },
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "msc"   },
 			dotnet = { "msnet" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
 
 		-- Workspace and project generation logic
 

src/actions/vstudio/vs2017.lua

@@ -31,15 +31,11 @@
 		-- The capabilities of this action
 
 		valid_kinds     = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "Makefile", "None", "Utility", "Installer" },
+		valid_languages = { "C", "C++", "C#" },
 		valid_tools     = {
 			cc     = { "msc"   },
 			dotnet = { "msnet" },
 		},
-		supports_language = function(lang)
-			return p.languages.isc(lang) or
-				   p.languages.iscpp(lang) or
-				   p.languages.isdotnet(lang)
-		end,
 
 		-- Workspace and project generation logic
 

src/base/action.lua

@@ -246,7 +246,7 @@
 			return false
 		end
 
-		if not self.valid_languages and not self.valid_kinds and not self.supports_language then
+		if not self.valid_languages and not self.valid_kinds then
 			return true
 		end
 
@@ -258,11 +258,6 @@
 			return true
 		end
 
-		if self.supports_language and self.supports_language(feature) then
-			return true
-		end
-
-
 		return false
 	end
 

src/base/languages.lua

@@ -6,63 +6,15 @@
 
 	local p = premake
 	p.languages = {}
-	local languages = p.languages
 
-
----
--- List of supported C languages.
----
-	languages.c = {
-		"C",
-		"C89",
-		"C90",
-		"C99",
-		"C11",
-		"gnu89",
-		"gnu90",
-		"gnu99",
-		"gnu11",
-	}
-
-	function languages.isc(value)
-		return table.contains(languages.c, value)
+	function p.languages.isc(value)
+		return value == "C";
 	end
 
----
--- List of supported C++ languages.
----
-	languages.cpp = {
-		"C++",
-		"C++98",
-		"C++11",
-		"C++14",
-		"C++17",
-		"gnu++98",
-		"gnu++11",
-		"gnu++14",
-		"gnu++17",
-	}
-
-	function languages.iscpp(value)
-		return table.contains(languages.cpp, value)
+	function p.languages.iscpp(value)
+		return value == "C++";
 	end
 
----
--- List of supported dotnet languages.
----
-	languages.dotnet = {
-		"C#"
-	}
-
-	function languages.isdotnet(value)
-		return table.contains(languages.dotnet, value)
+	function p.languages.isdotnet(value)
+		return value == "C#";
 	end
-
----
--- Combined list of all supported languages.
----
-	languages.all = table.join(
-		languages.c,
-		languages.cpp,
-		languages.dotnet
-	)

src/tools/gcc.lua

@@ -86,12 +86,7 @@
 	}
 
 	gcc.cflags = {
-		flags = {
-			["C90"] = "-std=gnu90",
-			["C99"] = "-std=gnu99",
-			["C11"] = "-std=gnu11",
-		},
-		language = {
+		cdialect = {
 			["C89"] = "-std=c89",
 			["C90"] = "-std=c90",
 			["C99"] = "-std=c99",
@@ -136,10 +131,8 @@
 		},
 		flags = {
 			NoBufferSecurityCheck = "-fno-stack-protector",
-			["C++11"] = "-std=c++11",
-			["C++14"] = "-std=c++14",
 		},
-		language = {
+		cppdialect = {
 			["C++98"] = "-std=c++98",
 			["C++11"] = "-std=c++11",
 			["C++14"] = "-std=c++14",

tests/tools/test_gcc.lua

@@ -555,3 +555,134 @@
 		prepare()
 		test.excludes({ "-Wl,-Bstatic" }, gcc.getlinks(cfg))
 	end
+
+
+--
+-- Test language flags are added properly.
+--
+
+	function suite.cflags_onCDefault()
+		cdialect "Default"
+		prepare()
+		test.contains({ }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_onC89()
+		cdialect "C89"
+		prepare()
+		test.contains({ "-std=c89" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_onC90()
+		cdialect "C90"
+		prepare()
+		test.contains({ "-std=c90" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_onC99()
+		cdialect "C99"
+		prepare()
+		test.contains({ "-std=c99" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_onC11()
+		cdialect "C11"
+		prepare()
+		test.contains({ "-std=c11" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_ongnu89()
+		cdialect "gnu89"
+		prepare()
+		test.contains({ "-std=gnu89" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_ongnu90()
+		cdialect "gnu90"
+		prepare()
+		test.contains({ "-std=gnu90" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_ongnu99()
+		cdialect "gnu99"
+		prepare()
+		test.contains({ "-std=gnu99" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cflags_ongnu11()
+		cdialect "gnu11"
+		prepare()
+		test.contains({ "-std=gnu11" }, gcc.getcflags(cfg))
+		test.contains({ }, gcc.getcxxflags(cfg))
+	end
+
+	function suite.cxxflags_onCppDefault()
+		cppdialect "Default"
+		prepare()
+		test.contains({ }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCpp98()
+		cppdialect "C++98"
+		prepare()
+		test.contains({ "-std=c++98" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCpp11()
+		cppdialect "C++11"
+		prepare()
+		test.contains({ "-std=c++11" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCpp14()
+		cppdialect "C++14"
+		prepare()
+		test.contains({ "-std=c++14" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCpp17()
+		cppdialect "C++17"
+		prepare()
+		test.contains({ "-std=c++17" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCppGnu98()
+		cppdialect "gnu++98"
+		prepare()
+		test.contains({ "-std=gnu++98" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCppGnu11()
+		cppdialect "gnu++11"
+		prepare()
+		test.contains({ "-std=gnu++11" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCppGnu14()
+		cppdialect "gnu++14"
+		prepare()
+		test.contains({ "-std=gnu++14" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end
+
+	function suite.cxxflags_onCppGnu17()
+		cppdialect "gnu++17"
+		prepare()
+		test.contains({ "-std=gnu++17" }, gcc.getcxxflags(cfg))
+		test.contains({ }, gcc.getcflags(cfg))
+	end