28 lines
887 B
OCaml
28 lines
887 B
OCaml
module Region = Simple_utils.Region
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let highlight msg = Printf.eprintf "\027[31m%s\027[0m%!" msg
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let options = EvalOpt.read ();;
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match open_in options#input with
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exception Sys_error msg -> highlight msg
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| cin ->
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let buffer = Lexing.from_channel cin in
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let open Lexing in
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let () =
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buffer.lex_curr_p <-
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{buffer.lex_curr_p with pos_fname = options#input} in
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match Preproc.lex buffer with
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pp -> print_string (Buffer.contents pp)
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| exception E_Lexer.Error err ->
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let formatted =
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E_Lexer.format ~offsets:options#offsets ~file:true err
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in highlight formatted.Region.value
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| exception Preproc.Error (out, err) ->
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let formatted =
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Preproc.format ~offsets:options#offsets ~file:true err in
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begin
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print_string (Buffer.contents out);
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highlight formatted.Region.value
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end
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