From 3f25710a891dfcd17f597c16dfedf5499bc1bbd6 Mon Sep 17 00:00:00 2001
From: pacien
Date: Fri, 20 Apr 2018 23:32:38 +0200
Subject: Modularize everything

---
 parser.ml | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 parser.ml

(limited to 'parser.ml')

diff --git a/parser.ml b/parser.ml
new file mode 100644
index 0000000..e01208f
--- /dev/null
+++ b/parser.ml
@@ -0,0 +1,24 @@
+(*
+ * UPEM / L3 / Functional programming / Project: URM
+ * Pacien TRAN-GIRARD, Adam NAILI
+ *)
+
+open Common
+
+let rec string_of_file f =
+  try
+    let str = input_line f
+    in str ^ " " ^ (string_of_file f)
+  with End_of_file -> ""
+
+let rec program_of_lex = function
+  | [] -> []
+  | "zero" :: arg_1 :: tail -> (Zero (int_of_string arg_1)) :: (program_of_lex tail)
+  | "succ" :: arg_1 :: tail -> (Succ (int_of_string arg_1)) :: (program_of_lex tail)
+  | "copy" :: arg_1 :: arg_2 :: tail -> (Copy ((int_of_string arg_1), (int_of_string arg_2))) :: (program_of_lex tail)
+  | "jump" :: arg_1 :: arg_2 :: arg_3 :: tail -> (Jump ((int_of_string arg_1), (int_of_string arg_2), (int_of_string arg_3))) :: (program_of_lex tail)
+  | _ -> raise Syntax_error
+
+let program_of_string str =
+  let lex = Str.split (Str.regexp "[\t\n(),]+") str
+  in List.iter (fun s -> print_string s; print_newline ()) lex; program_of_lex lex
-- 
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