41 lines
878 B
OCaml
41 lines
878 B
OCaml
open Lexing
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type place =
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position * position
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let place lexbuf : place =
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lexbuf.lex_start_p, lexbuf.lex_curr_p
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let line p : int =
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p.pos_lnum
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let column p : int =
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p.pos_cnum - p.pos_bol
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let show place : string =
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let startp, endp = place in
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Printf.sprintf "File \"%s\", line %d, characters %d-%d"
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startp.pos_fname
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(line startp)
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(column startp)
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(endp.pos_cnum - startp.pos_bol) (* intentionally [startp.pos_bol] *)
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let display continuation header place format =
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Printf.fprintf stderr "%s:\n" (show place);
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Printf.kfprintf
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continuation
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stderr
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(header ^^ format ^^ "\n%!")
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let error place format =
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display
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(fun _ -> exit 1)
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"Error: "
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place format
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let set_filename lexbuf filename =
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lexbuf.lex_curr_p <- { lexbuf.lex_curr_p with pos_fname = filename }
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let pp_place formatter _place =
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Format.fprintf formatter "<>"
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