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|
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Jerome Vouillon, projet Cristal, INRIA Rocquencourt *)
(* Objective Caml port by John Malecki and Xavier Leroy *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. Distributed only by permission. *)
(* *)
(***********************************************************************)
(* $Id$ *)
open Debugger_config
open Parameters
open Misc
open Primitives
open Source
(* Print a line; return the beginning of the next line *)
let print_line buffer line_number start point before =
let next = next_linefeed buffer start
and content = buffer_content buffer
in
print_int line_number;
print_string " ";
if (point <= next) & (point >= start) then
(print_string (String.sub content start (point - start));
print_string (if before then event_mark_before else event_mark_after);
print_string (String.sub content point (next - point)))
else
print_string (String.sub content start (next - start));
print_newline ();
next
(* Tell Emacs we are nowhere in the source. *)
let show_no_point () =
if !emacs then begin
print_string "\026\026H";
print_newline ()
end
(* Print the line containing the point *)
let show_point mdle point before selected =
if !emacs & selected then
begin try
let source = source_of_module mdle in
print_string "\026\026M";
print_string source;
print_string ":";
print_int point;
print_string (if before then ":before" else ":after");
print_newline ()
with
Not_found -> (* get_buffer *)
prerr_endline ("No source file for " ^ mdle ^ ".");
show_no_point ()
end
else
begin try
let buffer = get_buffer mdle in
let (start, line_number) = line_of_pos buffer point in
let _ = print_line buffer line_number start point before in ()
with
Out_of_range -> (* line_of_pos *)
prerr_endline "Position out of range."
| Not_found -> (* get_buffer *)
prerr_endline ("No source file for " ^ mdle ^ ".")
end
(* Display part of the source. *)
let show_listing mdle start stop point before =
try
let buffer = get_buffer mdle in
let rec aff (line_start, line_number) =
if line_number <= stop then
aff (print_line buffer line_number line_start point before + 1, line_number + 1)
in
aff (pos_of_line buffer start)
with
Out_of_range -> (* pos_of_line *)
prerr_endline "Position out of range."
| Not_found -> (* get_buffer *)
prerr_endline ("No source file for " ^ mdle ^ ".")
|
