Add an OCaml file for syntax tests.

tests/syntax-tests/source/OCaml/syntax-test.ml

@@ -0,0 +1,83 @@
+let s = "hello world"
+
+let n : int = 87
+
+let id x = x
+
+let add x y = x + y
+
+let add' x y =
+  let left = x in
+  let right = y in
+  x + y
+
+let add'' : int -> int -> int = fun x -> fun y -> x + y
+
+let unwrap_option default opt =
+  match opt with
+  | None -> default
+  | Some v -> v
+
+let string_of_bool = function true -> "true" | false -> "false"
+
+let is_a c =
+  if c = 'a' then true
+  else false
+
+let _ = Printf.printf "%s" "hello"
+let () = Printf.printf "%s\n" "world"
+
+let x = ref 0
+let _ = x := 1
+
+type my_bool = True | False
+
+type shape = Circle of float | Square of float | Rectangle of (float * float)
+
+type user = {
+  login : string;
+  password : string;
+}
+
+type 'a my_ref = { mutable ref_value : 'a }
+
+let (:=) r v = r.ref_value <- v
+
+let (+) 2 2 = 5
+
+exception Bad_value of string
+
+let bad_value_error () = raise (Bad_value "your value is bad and you should feel bad")
+
+let () =
+  try bad_value_error ()
+  with Bad_value _ -> ()
+
+let () =
+  try bad_value_error ()
+  with
+  | Bad_value _ -> ()
+  | Not_found -> ()
+
+module type FOO = sig
+  val foo : 'a -> 'a
+end
+
+module Foo : FOO = struct
+  let foo x = x
+end
+
+let greeter = object
+  val greeting = "Hello"
+  method greet name = Printf.sprintf "%s, %s!" greeting name 
+end
+
+let greeting = greeter#greet "world"
+
+class greeter_factory greeting_text = object (self)
+  val greeting = greeting_text
+  method greet name = Printf.sprintf "%s, %s!" greeting name
+  initializer Printf.printf "Objects will greet the user with \"%s\"\n" greeting
+end
+
+let g = new greeter_factory "Hi"