78 lines
2.6 KiB
OCaml
78 lines
2.6 KiB
OCaml
(***********************************************************************)
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(* *)
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(* OCaml *)
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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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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* Source code locations (ranges of positions), used in parsetree. *)
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open Format
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type t = {
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loc_start: Lexing.position;
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loc_end: Lexing.position;
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loc_ghost: bool;
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}
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(* Note on the use of Lexing.position in this module.
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If [pos_fname = ""], then use [!input_name] instead.
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If [pos_lnum = -1], then [pos_bol = 0]. Use [pos_cnum] and
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re-parse the file to get the line and character numbers.
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Else all fields are correct.
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*)
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val none : t
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(** An arbitrary value of type [t]; describes an empty ghost range. *)
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val in_file : string -> t;;
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(** Return an empty ghost range located in a given file. *)
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val init : Lexing.lexbuf -> string -> unit
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(** Set the file name and line number of the [lexbuf] to be the start
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of the named file. *)
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val curr : Lexing.lexbuf -> t
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(** Get the location of the current token from the [lexbuf]. *)
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val symbol_rloc: unit -> t
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val symbol_gloc: unit -> t
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(** [rhs_loc n] returns the location of the symbol at position [n], starting
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at 1, in the current parser rule. *)
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val rhs_loc: int -> t
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val input_name: string ref
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val input_lexbuf: Lexing.lexbuf option ref
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val get_pos_info: Lexing.position -> string * int * int (* file, line, char *)
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val print_loc: formatter -> t -> unit
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val print_error: formatter -> t -> unit
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val print_error_cur_file: formatter -> unit
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val print_warning: t -> formatter -> Warnings.t -> unit
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val prerr_warning: t -> Warnings.t -> unit
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val echo_eof: unit -> unit
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val reset: unit -> unit
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val highlight_locations: formatter -> t -> t -> bool
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type 'a loc = {
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txt : 'a;
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loc : t;
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}
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val mknoloc : 'a -> 'a loc
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val mkloc : 'a -> t -> 'a loc
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val print: formatter -> t -> unit
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val print_filename: formatter -> string -> unit
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val show_filename: string -> string
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(** In -absname mode, return the absolute path for this filename.
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Otherwise, returns the filename unchanged. *)
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val absname: bool ref
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