From 6b649aba925b6f7462da07599fe67ebb12a3460e Mon Sep 17 00:00:00 2001
From: Samuel Mimram <samuel.mimram@ens-lyon.org>
Date: Wed, 28 Jul 2004 21:54:47 +0000
Subject: Imported Upstream version 8.0pl1

---
 ide/config_lexer.mll | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 ide/config_lexer.mll

(limited to 'ide/config_lexer.mll')

diff --git a/ide/config_lexer.mll b/ide/config_lexer.mll
new file mode 100644
index 00000000..1c0720d1
--- /dev/null
+++ b/ide/config_lexer.mll
@@ -0,0 +1,68 @@
+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+(* $Id: config_lexer.mll,v 1.4.2.1 2004/07/16 19:30:19 herbelin Exp $ *)
+
+{
+
+  open Lexing
+  open Format
+  open Config_parser
+  open Util
+
+  let string_buffer = Buffer.create 1024
+
+}
+
+let space = [' ' '\010' '\013' '\009' '\012']
+let char = ['A'-'Z' 'a'-'z' '_' '0'-'9']
+let ident = char+
+
+rule token = parse
+  | space+        { token lexbuf }
+  | '#' [^ '\n']* { token lexbuf }
+  | ident { IDENT (lexeme lexbuf) }
+  | '='   { EQUAL }
+  | '"'   { Buffer.reset string_buffer; 
+	    Buffer.add_char string_buffer '"';
+	    string lexbuf;
+	    let s = Buffer.contents string_buffer in
+	    STRING (Scanf.sscanf s "%S" (fun s -> s)) }
+  | _     { let c = lexeme_start lexbuf in
+	    eprintf ".coqiderc: invalid character (%d)\n@." c; 
+	    token lexbuf }
+  | eof   { EOF }
+
+and string = parse
+  | '"'  { Buffer.add_char string_buffer '"' }
+  | '\\' '"' | _ 
+         { Buffer.add_string string_buffer (lexeme lexbuf); string lexbuf }
+  | eof  { eprintf ".coqiderc: unterminated string\n@." }
+
+{
+
+  let load_file f =
+    let c = open_in f in
+    let lb = from_channel c in
+    let m = Config_parser.prefs token lb in
+    close_in c;
+    m
+
+  let print_file f m =
+    let c = open_out f in
+    let fmt = formatter_of_out_channel c in
+    let rec print_list fmt = function
+      | [] -> ()
+      | s :: sl -> fprintf fmt "%S@ %a" s print_list sl
+    in
+    Stringmap.iter 
+      (fun k s -> fprintf fmt "@[<hov 2>%s = %a@]@\n" k print_list s) m;
+    fprintf fmt "@.";
+    close_out c
+
+}
-- 
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