Attempting to use sedlex (and maybe Menhir)

2 files changed, 13 insertions, 2 deletions

diff --git a/bin/dune b/bin/dune
index 33c70b5..edad4dc 100644
--- a/bin/dune
+++ b/bin/dune
@@ -1,4 +1,5 @@
 (executable
  (public_name agate)
  (name main)
- (libraries agate))
+ (libraries agate sedlex)
+ (preprocess (pps sedlex.ppx)))
diff --git a/bin/main.ml b/bin/main.ml
index 7bf6048..de7cd87 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -1 +1,11 @@
-let () = print_endline "Hello, World!"
+let rec token buf =
+  match%sedlex buf with
+    | white_space -> token buf
+    | "a" -> token buf
+    | "b" -> 2
+    | eof -> 0
+    | _ -> failwith "Unknown token"
+
+let () = 
+  let lexbuf = Sedlexing.Utf8.from_string "ab" in
+  print_newline (print_int (token lexbuf))