Add A command line parsing procedure

source/Transpiler.def

@@ -1,6 +1,16 @@
 DEFINITION MODULE Transpiler;
 
-FROM Lexer IMPORT PLexer;
+FROM FIO IMPORT File;
+
+FROM Lexer IMPORT PLexer, Lexer;
+
+TYPE
+  TranspilerContext = RECORD
+    indentation: CARDINAL;
+    output: File;
+    lexer: PLexer
+  END;
+  PTranspilerContext = POINTER TO TranspilerContext;
 
 PROCEDURE transpile(ALexer: PLexer);