Add address sanitizer flags

modules/vstudio/tests/vc2010/test_config_props.lua

@@ -353,3 +353,69 @@
 </PropertyGroup>
 		]]
 	end
+
+--
+-- If the AddressSanitizer flag is set, add the EnableASAN element.
+--
+
+function suite.onAddressSanitizer()
+	p.action.set("vs2022")
+	flags "AddressSanitizer"
+	prepare()
+	test.capture [[
+<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+	<ConfigurationType>Application</ConfigurationType>
+	<UseDebugLibraries>false</UseDebugLibraries>
+	<CharacterSet>Unicode</CharacterSet>
+	<PlatformToolset>v143</PlatformToolset>
+	<EnableASAN>true</EnableASAN>
+</PropertyGroup>
+	]]
+end
+
+function suite.onAddressSanitizer_BeforeVS2022()
+	p.action.set("vs2019")
+	flags "AddressSanitizer"
+	prepare()
+	test.capture [[
+<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+	<ConfigurationType>Application</ConfigurationType>
+	<UseDebugLibraries>false</UseDebugLibraries>
+	<CharacterSet>Unicode</CharacterSet>
+	<PlatformToolset>v142</PlatformToolset>
+</PropertyGroup>
+	]]
+end
+
+--
+-- If the Fuzzer flag is set, add the EnableFuzzer element.
+--
+
+function suite.onFuzzer()
+	p.action.set("vs2022")
+	flags "Fuzzer"
+	prepare()
+	test.capture [[
+<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+	<ConfigurationType>Application</ConfigurationType>
+	<UseDebugLibraries>false</UseDebugLibraries>
+	<CharacterSet>Unicode</CharacterSet>
+	<PlatformToolset>v143</PlatformToolset>
+	<EnableFuzzer>true</EnableFuzzer>
+</PropertyGroup>
+	]]
+end
+
+function suite.onFuzzer_BeforeVS2022()
+	p.action.set("vs2019")
+	flags "Fuzzer"
+	prepare()
+	test.capture [[
+<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+	<ConfigurationType>Application</ConfigurationType>
+	<UseDebugLibraries>false</UseDebugLibraries>
+	<CharacterSet>Unicode</CharacterSet>
+	<PlatformToolset>v142</PlatformToolset>
+</PropertyGroup>
+	]]
+end

modules/vstudio/vs2010_vcxproj.lua

@@ -195,6 +195,7 @@
 				m.clrSupport,
 				m.characterSet,
 				m.platformToolset,
+				m.sanitizers,
 				m.toolsVersion,
 				m.wholeProgramOptimization,
 				m.nmakeOutDirs,
@@ -2507,6 +2508,17 @@
 		end
 	end
 
+	function m.sanitizers(cfg)
+		if _ACTION >= "vs2022" then
+			if cfg.flags.AddressSanitizer then
+				m.element("EnableASAN", nil, "true")
+			end
+			if cfg.flags.Fuzzer then
+				m.element("EnableFuzzer", nil, "true")
+			end
+		end
+	end
+
 	function m.precompiledHeaderFile(fileName, cfg)
 		m.element("PrecompiledHeaderFile", nil, "%s", fileName)
 	end

src/_premake_init.lua

@@ -489,6 +489,7 @@
 		scope = "config",
 		kind  = "list:string",
 		allowed = {
+			"AddressSanitizer",
 			"Component",           -- DEPRECATED
 			"DebugEnvsDontMerge",
 			"DebugEnvsInherit",
@@ -500,6 +501,7 @@
 			"FatalLinkWarnings",
 			"FloatFast",           -- DEPRECATED
 			"FloatStrict",         -- DEPRECATED
+			"Fuzzer",              -- Visual Studio 2022+ only
 			"LinkTimeOptimization",
 			"Managed",             -- DEPRECATED
 			"Maps",

src/tools/gcc.lua

@@ -203,6 +203,7 @@
 			Off = "-fno-exceptions"
 		},
 		flags = {
+			AddressSanitizer = "-fsanitize=address",
 			NoBufferSecurityCheck = "-fno-stack-protector",
 		},
 		cppdialect = {

src/tools/msc.lua

@@ -154,6 +154,10 @@
 --
 
 	msc.cxxflags = {
+		flags = {
+			AddressSanitizer = "/fsanitize=address",
+			Fuzzer = "/fsanitize=fuzzer",
+		},
 		exceptionhandling = {
 			Default = "/EHsc",
 			On = "/EHsc",

tests/tools/test_gcc.lua

@@ -356,18 +356,24 @@
 -- Check the translation of CXXFLAGS.
 --
 
-	function suite.cflags_onNoExceptions()
+	function suite.cxxflags_onNoExceptions()
 		exceptionhandling "Off"
 		prepare()
 		test.contains({ "-fno-exceptions" }, gcc.getcxxflags(cfg))
 	end
 
-	function suite.cflags_onNoBufferSecurityCheck()
+	function suite.cxxflags_onNoBufferSecurityCheck()
 		flags { "NoBufferSecurityCheck" }
 		prepare()
 		test.contains({ "-fno-stack-protector" }, gcc.getcxxflags(cfg))
 	end
 
+	function suite.cxxflags_onAddressSanitizer()
+		flags { "AddressSanitizer" }
+		prepare()
+		test.contains({ "-fsanitize=address" }, gcc.getcxxflags(cfg))
+	end
+
 --
 -- Check the basic translation of LDFLAGS for a Posix system.
 --

tests/tools/test_msc.lua

@@ -441,6 +441,18 @@
 		test.contains("/GR-", msc.getcxxflags(cfg))
 	end
 
+	function suite.cxxflags_onAddressSanitizer()
+		flags { "AddressSanitizer" }
+		prepare()
+		test.contains("/fsanitize=address", msc.getcxxflags(cfg))
+	end
+
+	function suite.cxxflags_onFuzzer()
+		flags { "Fuzzer" }
+		prepare()
+		test.contains("/fsanitize=fuzzer", msc.getcxxflags(cfg))
+	end
+
 
 --
 -- Check handling of additional linker options.
@@ -573,9 +585,9 @@
 	end
 
 
-	--
-	-- Check handling of Run-Time Library flags.
-	--
+--
+-- Check handling of Run-Time Library flags.
+--
 
 	function suite.cflags_onStaticRuntime()
 		staticruntime "On"

website/docs/flags.md

@@ -10,6 +10,8 @@ flags { "flag_list" }
 
 | Flag                  | Description                                                         | Notes |
 |-----------------------|---------------------------------------------------------------------|----------------|
+| AddressSanitizer      | Enables compiler support for AddressSanitizer. | Visual Studio support starts with 2022. |
+| Fuzzer                | Enables support for LibFuzzer, a coverage-guided fuzzing library. | Visual Studio 2022+ only. |
 | ExcludeFromBuild      | Exclude a source code file from the build, for the current configuration. |
 | FatalCompileWarnings  | Treat compiler warnings as errors.                                  |
 | FatalLinkWarnings     | Treat linker warnings as errors.                                    |