Implemented Basic Parser

windows12.cabal

@@ -63,7 +63,11 @@ executable windows12
     main-is:          Main.hs
 
     -- Modules included in this executable, other than Main.
-    -- other-modules:
+    other-modules:
+        Windows12
+        Windows12.Ast
+        Windows12.Lexer
+        Windows12.Parser
 
     -- LANGUAGE extensions used by modules in this package.
     -- other-extensions:
@@ -72,7 +76,9 @@ executable windows12
     build-depends:
         base >= 4.15.1 && < 4.16,
         llvm-hs-pure >= 9.0.0 && < 9.1,
-
+        megaparsec >= 9.6.1 && < 9.7,
+        text >= 1.2.5 && < 1.3,
+        parser-combinators >= 1.3.0 && < 1.4,
 
     -- Directories containing source files.
     hs-source-dirs:   src