Implement object literal parsing; Instantiate classes from object literals

Essentially, if the contextual type is a class with a constructor that takes zero arguments or doesn't have a constructor at all, an object literal can be used to initialize a new instance of that class with preset values.

src/common.ts

@@ -71,7 +71,11 @@ export enum CommonFlags {
   /** Is a virtual method. */
   VIRTUAL = 1 << 26,
   /** Is the main function. */
-  MAIN = 1 << 27
+  MAIN = 1 << 27,
+
+  // Other
+
+  QUOTED = 1 << 28
 }
 
 /** Path delimiter inserted between file system levels. */