87 lines
3.0 KiB
OCaml
87 lines
3.0 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Jerome Vouillon, projet Cristal, INRIA Rocquencourt *)
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(* Objective Caml port by John Malecki and Xavier Leroy *)
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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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(* $Id$ *)
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open Debugger_config
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open Parameters
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open Misc
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open Primitives
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open Source
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(* Print a line; return the beginning of the next line *)
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let print_line buffer line_number start point before =
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let next = next_linefeed buffer start
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and content = buffer_content buffer
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in
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print_int line_number;
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print_string " ";
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if (point <= next) & (point >= start) then
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(print_string (String.sub content start (point - start));
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print_string (if before then event_mark_before else event_mark_after);
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print_string (String.sub content point (next - point)))
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else
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print_string (String.sub content start (next - start));
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print_newline ();
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next
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(* Tell Emacs we are nowhere in the source. *)
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let show_no_point () =
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if !emacs then begin
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print_string "\026\026H";
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print_newline ()
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end
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(* Print the line containing the point *)
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let show_point mdle point before selected =
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if !emacs & selected then
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begin try
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let source = source_of_module mdle in
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print_string "\026\026M";
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print_string source;
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print_string ":";
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print_int point;
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print_string (if before then ":before" else ":after");
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print_newline ()
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with
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Not_found -> (* get_buffer *)
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prerr_endline ("No source file for " ^ mdle ^ ".");
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show_no_point ()
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end
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else
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begin try
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let buffer = get_buffer mdle in
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let (start, line_number) = line_of_pos buffer point in
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ignore(print_line buffer line_number start point before)
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with
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Out_of_range -> (* line_of_pos *)
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prerr_endline "Position out of range."
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| Not_found -> (* get_buffer *)
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prerr_endline ("No source file for " ^ mdle ^ ".")
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end
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(* Display part of the source. *)
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let show_listing mdle start stop point before =
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try
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let buffer = get_buffer mdle in
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let rec aff (line_start, line_number) =
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if line_number <= stop then
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aff (print_line buffer line_number line_start point before + 1, line_number + 1)
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in
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aff (pos_of_line buffer start)
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with
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Out_of_range -> (* pos_of_line *)
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prerr_endline "Position out of range."
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| Not_found -> (* get_buffer *)
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prerr_endline ("No source file for " ^ mdle ^ ".")
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