diff lab2/lexer.mli @ 0:bfdcc3820b32

Basis
author Mike Spivey <mike@cs.ox.ac.uk>
date Thu, 05 Oct 2017 08:04:15 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lab2/lexer.mli	Thu Oct 05 08:04:15 2017 +0100
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+(* lab2/lexer.mli *)
+(* Copyright (c) 2017 J. M. Spivey *)
+
+(*
+The lexer is generated from a camllex script.  It takes an input
+buffer, reads a token, and returns the |token| value that corresponds
+to it.  The lexer maintains the current line number in |lineno| for
+producing error messages.
+*)
+
+(* |token| -- scan a token and return its code *)
+val token : Lexing.lexbuf -> Parser.token
+
+(* |lineno| -- number of current line *)
+val lineno : int ref