Sync upstream to r102410.

Re-turn on sdk.

Change-Id: I91a890863989a67243b4d2dfd1ae09b843ebaeaf

1 files changed, 25 insertions, 0 deletions

diff --git a/examples/OCaml-Kaleidoscope/Chapter7/token.ml b/examples/OCaml-Kaleidoscope/Chapter7/token.ml
new file mode 100644
index 0000000..1489f0b
--- /dev/null
+++ b/examples/OCaml-Kaleidoscope/Chapter7/token.ml
@@ -0,0 +1,25 @@
+(*===----------------------------------------------------------------------===
+ * Lexer Tokens
+ *===----------------------------------------------------------------------===*)
+
+(* The lexer returns these 'Kwd' if it is an unknown character, otherwise one of
+ * these others for known things. *)
+type token =
+  (* commands *)
+  | Def | Extern
+
+  (* primary *)
+  | Ident of string | Number of float
+
+  (* unknown *)
+  | Kwd of char
+
+  (* control *)
+  | If | Then | Else
+  | For | In
+
+  (* operators *)
+  | Binary | Unary
+
+  (* var definition *)
+  | Var