51 lines
1.8 KiB
OCaml
51 lines
1.8 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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(* Entry points in the parser *)
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exception Error of int * int (* Syntax error *)
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(* Skip tokens to the end of the phrase *)
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let rec skip_phrase lexbuf =
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try
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match Lexer.token lexbuf with
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Parser.SEMISEMI | Parser.EOF -> ()
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| _ -> skip_phrase lexbuf
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with Lexer.Error(_,_,_) ->
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skip_phrase lexbuf
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let maybe_skip_phrase lexbuf =
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if Parsing.is_current_lookahead Parser.SEMISEMI
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or Parsing.is_current_lookahead Parser.EOF
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then ()
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else skip_phrase lexbuf
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let wrap parsing_fun lexbuf =
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try
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parsing_fun Lexer.token lexbuf
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with
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Lexer.Error(_, _, _) as err ->
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if !Location.input_name = "" then skip_phrase lexbuf;
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raise err
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| Parsing.Parse_error ->
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let start = Lexing.lexeme_start lexbuf
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and stop = Lexing.lexeme_end lexbuf in
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if !Location.input_name = ""
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then maybe_skip_phrase lexbuf;
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raise(Error(start, stop))
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let implementation = wrap Parser.implementation
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and interface = wrap Parser.interface
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and toplevel_phrase = wrap Parser.toplevel_phrase
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and use_file = wrap Parser.use_file
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