on is now a keyword (needed in let rec)

[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 a326acf7f5e5c246e9999487666bffe4a7478aa7..32d8ae54da64d11ac23e7a0ce0b2fee899921911 100644 (file)
--- a/helm/ocaml/cic_disambiguation/cicTextualLexer2.ml
+++ b/helm/ocaml/cic_disambiguation/cicTextualLexer2.ml
@@ -38,13 +38,12 @@ let regexp symbol_char =
      ' ' '\t' '\n'
      '\\' '(' '[' '{' ')' ']' '}' '?'
   ]
-let regexp dust = "%%" [^ '\n']* '\n'
 
 let regexp comment_char = [^'*'] | '*'[^')']
-let regexp note = "(*" comment_char* "*)"
+let regexp note = "(*" ([^'*'] | "**") comment_char* "*)"
 
-let regexp commentbegin = "(**"
-let regexp commentend = "**)"
+let regexp commentbegin = "(**" blank
+let regexp commentend = "*)"
 
 let regexp blanks = blank+
 let regexp num = digit+
@@ -67,7 +66,7 @@ let keywords = Hashtbl.create 17
 let _ =
   List.iter (fun keyword -> Hashtbl.add keywords keyword ("", keyword))
     [ "Prop"; "Type"; "Set"; "let"; "Let"; "rec"; "using"; "match"; "with";
-      "in"; "and" ]
+    "in"; "and"; "to"; "as"; "on"]
 
 let error lexbuf msg =
   raise (Error (Ulexing.lexeme_start lexbuf, Ulexing.lexeme_end lexbuf, msg))
@@ -140,7 +139,6 @@ let rec token comments = lexer
         return lexbuf ("SYMBOL", Utf8Macro.expand macro)
       with Utf8Macro.Macro_not_found _ ->
         return lexbuf ("SYMBOL", Ulexing.utf8_lexeme lexbuf))
-  | dust -> token comments lexbuf
   | note -> 
       (*if comments then*)
         let comment =