diff options
| -rw-r--r-- | lib/kernel/src/group.erl | 48 | ||||
| -rw-r--r-- | lib/stdlib/src/edlin.erl | 5 |
2 files changed, 40 insertions, 13 deletions
diff --git a/lib/kernel/src/group.erl b/lib/kernel/src/group.erl index a45ba34eae..f92c6f7208 100644 --- a/lib/kernel/src/group.erl +++ b/lib/kernel/src/group.erl @@ -1,19 +1,19 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1996-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. -%% +%% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. -%% +%% %% %CopyrightEnd% %% -module(group). @@ -477,15 +477,15 @@ get_line(Chars, Pbs, Drv, Encoding) -> get_line1(edlin:edit_line(Chars, Cont), Drv, new_stack(get(line_buffer)), Encoding). -get_line1({done,Line,Rest,Rs}, Drv, _Ls, _Encoding) -> +get_line1({done,Line,Rest,Rs}, Drv, Ls, _Encoding) -> send_drv_reqs(Drv, Rs), - put(line_buffer, [Line|lists:delete(Line, get(line_buffer))]), + save_line_buffer(Line, get_lines(Ls)), {done,Line,Rest}; get_line1({undefined,{_A,Mode,Char},Cs,Cont,Rs}, Drv, Ls0, Encoding) when ((Mode =:= none) and (Char =:= $\^P)) or ((Mode =:= meta_left_sq_bracket) and (Char =:= $A)) -> send_drv_reqs(Drv, Rs), - case up_stack(Ls0) of + case up_stack(save_line(Ls0, edlin:current_line(Cont))) of {none,_Ls} -> send_drv(Drv, beep), get_line1(edlin:edit_line(Cs, Cont), Drv, Ls0, Encoding); @@ -498,14 +498,14 @@ get_line1({undefined,{_A,Mode,Char},Cs,Cont,Rs}, Drv, Ls0, Encoding) Drv, Ls, Encoding) end; -get_line1({undefined,{_A,Mode,Char},_Cs,Cont,Rs}, Drv, Ls0, Encoding) +get_line1({undefined,{_A,Mode,Char},Cs,Cont,Rs}, Drv, Ls0, Encoding) when ((Mode =:= none) and (Char =:= $\^N)) or ((Mode =:= meta_left_sq_bracket) and (Char =:= $B)) -> send_drv_reqs(Drv, Rs), - case down_stack(Ls0) of - {none,Ls} -> - send_drv_reqs(Drv, edlin:erase_line(Cont)), - get_line1(edlin:start(edlin:prompt(Cont)), Drv, Ls, Encoding); + case down_stack(save_line(Ls0, edlin:current_line(Cont))) of + {none,_Ls} -> + send_drv(Drv, beep), + get_line1(edlin:edit_line(Cs, Cont), Drv, Ls0, Encoding); {Lcs,Ls} -> send_drv_reqs(Drv, edlin:erase_line(Cont)), {more_chars,Ncont,Nrs} = edlin:start(edlin:prompt(Cont)), @@ -627,6 +627,28 @@ down_stack({stack,U,{},[]}) -> down_stack({stack,U,C,D}) -> down_stack({stack,[C|U],{},D}). +save_line({stack, U, {}, []}, Line) -> + {stack, U, {}, [Line]}; +save_line({stack, U, _L, D}, Line) -> + {stack, U, Line, D}. + +get_lines({stack, U, {}, []}) -> + U; +get_lines({stack, U, {}, D}) -> + tl(lists:reverse(D, U)); +get_lines({stack, U, L, D}) -> + get_lines({stack, U, {}, [L|D]}). + +save_line_buffer("\n", Lines) -> + save_line_buffer(Lines); +save_line_buffer(Line, [Line|_Lines]=Lines) -> + save_line_buffer(Lines); +save_line_buffer(Line, Lines) -> + save_line_buffer([Line|Lines]). + +save_line_buffer(Lines) -> + put(line_buffer, Lines). + %% This is get_line without line editing (except for backspace) and %% without echo. get_password_line(Chars, Drv) -> diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl index 6cb441dbed..026bd9038f 100644 --- a/lib/stdlib/src/edlin.erl +++ b/lib/stdlib/src/edlin.erl @@ -24,6 +24,7 @@ -export([init/0,start/1,edit_line/2,prefix_arg/1]). -export([erase_line/1,erase_inp/1,redraw_line/1]). -export([length_before/1,length_after/1,prompt/1]). +-export([current_line/1]). %%-export([expand/1]). -export([edit_line1/2]). @@ -421,6 +422,7 @@ over_paren_auto([], _, _, _) -> %% length_before(Line) %% length_after(Line) %% prompt(Line) +%% current_line(Line) %% Various functions for accessing bits of a line. erase_line({line,Pbs,{Bef,Aft},_}) -> @@ -447,6 +449,9 @@ length_after({line,_,{_Bef,Aft},_}) -> prompt({line,Pbs,_,_}) -> Pbs. +current_line({line,_,{Bef, Aft},_}) -> + reverse(Bef, Aft ++ "\n"). + %% %% expand(CurrentBefore) -> %% %% {yes,Expansion} | no %% %% Try to expand the word before as either a module name or a function |