Merge pull request #10 from callisto-lang/CallistoScript

add CallistoScript

Author: MESYETI

examples/initDeinit.cal

@@ -15,4 +15,4 @@ implement meow deinit
 end
 
 let meow myMeow
-myMeow @ printdec new_line
+&myMeow @ printdec new_line

examples/sierpinski.cal

@@ -20,7 +20,7 @@ func sierpinski begin
 
 		0 -> x
 
-		while x n < do
+		while x n 2 / < do
 			if x n y 1 + - and then
 				' ' printch
 			else

examples/unions.cal

@@ -10,8 +10,8 @@ end
 
 let MyUnion foo
 
-65 -> foo
+65 &foo !
 &foo @ printdec new_line
 
-"Hello, world!\n" foo a<
-foo printstr
+"Hello, world!\n" &foo a<
+&foo printstr

source/app.d

@@ -10,6 +10,7 @@ import callisto.compiler;
 import callisto.language;
 import callisto.codeRemover;
 import callisto.preprocessor;
+import callisto.backends.lua;
 import callisto.backends.uxn;
 import callisto.backends.rm86;
 import callisto.backends.x86_64;
@@ -163,6 +164,11 @@ int main(string[] args) {
 							backend = new BackendUXN();
 							break;
 						}
+						case "lua": {
+							writeln("Language subset 'CallistoScript' in use");
+							backend = new BackendLua();
+							break;
+						}
 						default: {
 							stderr.writefln("Unknown backend '%s'", args[i]);
 							return 1;