Added support for VS 2017 project generation

Fixed also the regex for finding ms build tools.
It's required to open the batch files with the developer command prompt
of vs 2017 !

build/GenerateProjects.bat

@@ -8,12 +8,15 @@ echo [0] Clean
 echo [1] Visual C++ 2012
 echo [2] Visual C++ 2013
 echo [3] Visual C++ 2015
-echo [4] GNU Make
+echo [4] Visual C++ 2017
+echo [5] GNU Make
+
 echo.
 
 :choice
 set /P C="Choice: "
-if "%C%"=="4" goto gmake
+if "%C%"=="5" goto gmake
+if "%C%"=="4" goto vs2017
 if "%C%"=="3" goto vs2015
 if "%C%"=="2" goto vs2013
 if "%C%"=="1" goto vs2012
@@ -35,6 +38,10 @@ goto quit
 "premake5" --file=premake5.lua vs2015
 goto quit
 
+:vs2017
+"premake5" --file=premake5.lua vs2017 
+goto quit
+
 :gmake
 "premake5" --file=premake5.lua gmake
 goto quit

build/Helpers.lua

@@ -75,7 +75,12 @@ function SetupManagedProject()
     configuration(c)
   end
 
-  if action == "vs2015" then
+  if action == "vs2017" then
+
+        configuration "vs2017"
+			framework "4.6"
+    
+    elseif action == "vs2015" then
         
         configuration "vs2015"
 			framework "4.6"

build/scripts/LLVM.lua

@@ -62,7 +62,7 @@ function get_toolset_configuration_name()
 
     if not string.starts(vsver, "vs") then
       local out = outputof("cl")
-      local ver, arch = string.match(out, '(%d+).%d+.%d+.?%d*%s+%w*%s+(%w+)')
+      local ver, arch = string.match(out, '(%d+).%d+.%d+.?%d*%s+')
       vsver = get_vs_version(ver)
     end