| 1 | (* This file comes mostly from "Modern Compiler Implementation in ML," by Andrew Appel |
| 2 | * http://www.cs.princeton.edu/~appel/modern/ml/ |
| 3 | *) |
| 4 | |
| 5 | signature ERRORMSG = |
| 6 | sig |
| 7 | val reset : unit -> unit |
| 8 | |
| 9 | val anyErrors : bool ref |
| 10 | val errorText : string ref |
| 11 | |
| 12 | val fileName : string ref |
| 13 | val sourceStream : TextIO.instream ref |
| 14 | |
| 15 | val lineNum : int ref |
| 16 | val linePos : int list ref |
| 17 | |
| 18 | val error : (int * int) option -> string -> unit |
| 19 | |
| 20 | val dummyLoc : int * int |
| 21 | |
| 22 | exception Error |
| 23 | end |