Added premake5 configuration.

.gitignore

@@ -1,3 +1,7 @@
+# premake
+premake5.bat
+premake5.exe
+
 # visual studio
 *.csproj
 *.user

premake5.lua

@@ -0,0 +1,70 @@
+workspace "ssc"
+	configurations { "Debug", "Release" }
+	targetdir "bin/%{cfg.buildcfg}"
+	
+	startproject "frontend"
+	
+	filter "configurations:Debug"
+		defines { "DEBUG" }
+		flags { "Symbols" }
+	
+	filter "configurations:Release"
+		defines { "RELEASE" }
+		optimize "On"
+	
+	-- sunscript compiler API library
+	project "ssc"
+		kind "SharedLib"
+		language "C#"
+		namespace "arookas"
+		location "ssc"
+		
+		links { "System", "arookas", "grammatica-1.6" }
+		
+		files
+		{
+			"ssc/**.cs",
+			"ssc/**.grammar",
+			"ssc/**.bat",
+		}
+		
+		excludes
+		{
+			"ssc/bin/**",
+			"ssc/obj/**",
+		}
+		
+		prebuildcommands
+		{
+			-- regenerate grammatica classes before compilation begins
+			"{CHDIR} \"%{prj.location}\"",
+			"java -jar grammatica.jar \"sunscript.grammar\" --csoutput \".\\generated\" --csnamespace \"arookas\" --csclassname \"__sun\"",
+		}
+
+	-- frontend project (example command-line interface)
+	project "frontend"
+		kind "ConsoleApp"
+		language "C#"
+		entrypoint "arookas.SSC"
+		namespace "arookas"
+		location "frontend"
+		
+		links { "System", "arookas", "SSC" }
+		
+		files
+		{
+			"frontend/**.cs",
+		}
+		
+		excludes
+		{
+			"frontend/bin/**",
+			"frontend/obj/**",
+		}
+		
+		postbuildcommands
+		{
+			-- copy stdlib to frontend output so users can import the scripts
+			"{RMDIR} \"%{cfg.buildtarget.directory}ssc\"",
+			"{COPY} \"%{wks.location}stdlib\" \"%{cfg.buildtarget.directory}ssc\"",
+		}