fixed parse error for ocaml 3.08

[helm.git] / helm / ocaml / cic_disambiguation / cicTextualLexer2.ml

diff --git a/helm/ocaml/cic_disambiguation/cicTextualLexer2.ml b/helm/ocaml/cic_disambiguation/cicTextualLexer2.ml
index b339b8dc47101cfc4ef9b85deeaf28480e1a94ee..ba70d2745c8f73126733eff03c32664e15a1fc75 100644 (file)
--- a/helm/ocaml/cic_disambiguation/cicTextualLexer2.ml
+++ b/helm/ocaml/cic_disambiguation/cicTextualLexer2.ml
@@ -35,11 +35,12 @@ let regexp blanks = blank+
 let regexp num = digit+
 let regexp tex_token = '\\' alpha+
 let regexp symbol = [^ 'a' - 'z' 'A' - 'Z' '0' - '9' ' ' '\t' '\n' ]
-let regexp ident_cont = alpha | num | '_'
+let regexp ident_cont = alpha | num | '_' | '\''
 let regexp ident_cont' = ident_cont | tex_token
 let regexp ident = (alpha ident_cont*) | ('_' ident_cont+)
 let regexp ident' = ((alpha | tex_token) ident_cont'*) | ('_' ident_cont'+)
 let regexp paren = [ '(' '[' '{' ')' ']' '}' ]
+let regexp implicit = '?'
 let regexp meta = '?' num
 let regexp qstring = '"' [^ '"']* '"'
 let regexp uri =
@@ -50,14 +51,22 @@ let regexp uri =
 let keywords = Hashtbl.create 17
 let _ =
   List.iter (fun keyword -> Hashtbl.add keywords keyword ("", keyword))
-    [ "Prop"; "Type"; "Set"; "let"; "rec"; "using"; "match"; "with" ]
+    [ "Prop"; "Type"; "Set"; "let"; "Let"; "rec"; "using"; "match"; "with" ]
 
 let error lexbuf msg =
   raise (Error (Ulexing.lexeme_start lexbuf, Ulexing.lexeme_end lexbuf, msg))
 let error_at_end lexbuf msg =
   raise (Error (Ulexing.lexeme_end lexbuf, Ulexing.lexeme_end lexbuf, msg))
 
-let return lexbuf token = (token, Ulexing.loc lexbuf)
+let return lexbuf token =
+  let flocation_begin =
+    { Lexing.pos_fname = ""; Lexing.pos_lnum = -1; Lexing.pos_bol = -1;
+      Lexing.pos_cnum = Ulexing.lexeme_start lexbuf }
+  in
+  let flocation_end =
+    { flocation_begin with Lexing.pos_cnum = Ulexing.lexeme_end lexbuf }
+  in
+  (token, (flocation_begin, flocation_end))
 
 (*
 let parse_ext_ident ident =
@@ -99,6 +108,7 @@ let rec token = lexer
   | num -> return lexbuf ("NUM", Ulexing.utf8_lexeme lexbuf)
   | paren -> return lexbuf ("PAREN", Ulexing.utf8_lexeme lexbuf)
   | meta -> return lexbuf ("META", Ulexing.utf8_lexeme lexbuf)
+  | implicit -> return lexbuf ("IMPLICIT", Ulexing.utf8_lexeme lexbuf)
   | qstring ->
       let lexeme = Ulexing.utf8_lexeme lexbuf in
       let s = String.sub lexeme 1 (String.length lexeme - 2) in
@@ -109,15 +119,15 @@ let rec token = lexer
         Ulexing.utf8_sub_lexeme lexbuf 1 (Ulexing.lexeme_length lexbuf - 1)
       in
       (try
-        return lexbuf ("SYMBOL", Macro.expand macro)
-      with Macro.Macro_not_found _ ->
+        return lexbuf ("SYMBOL", CicTextualParser2Macro.expand macro)
+      with CicTextualParser2Macro.Macro_not_found _ ->
         return lexbuf ("SYMBOL", Ulexing.utf8_lexeme lexbuf))
   | eof -> return lexbuf ("EOI", "")
   | _ -> error lexbuf "Invalid character"
 
 let tok_func stream =
   let lexbuf = Ulexing.from_utf8_stream stream in
-  Token.make_stream_and_location
+  Token.make_stream_and_flocation
     (fun () ->
       try
        token lexbuf