diff options
| -rw-r--r-- | lib/kernel/src/user_drv.erl | 4 | ||||
| -rw-r--r-- | lib/stdlib/src/edlin.erl | 16 |
2 files changed, 19 insertions, 1 deletions
diff --git a/lib/kernel/src/user_drv.erl b/lib/kernel/src/user_drv.erl index e6ce85c379..380c685869 100644 --- a/lib/kernel/src/user_drv.erl +++ b/lib/kernel/src/user_drv.erl @@ -133,6 +133,7 @@ server1(Iport, Oport, Shell) -> flatten(io_lib:format("~ts\n", [erlang:system_info(system_version)]))}, Iport, Oport), + %% Enter the server loop. server_loop(Iport, Oport, Curr, User, Gr, queue:new()). @@ -315,6 +316,9 @@ handle_escape(Iport, Oport, User, Gr, IOQueue) -> _ -> % {ok,jcl} | undefined io_request({put_chars,unicode,"\nUser switch command\n"}, Iport, Oport), + %% init edlin used by switch command and have it copy the + %% text buffer from current group process + edlin:init(gr_cur_pid(Gr)), server_loop(Iport, Oport, User, switch_loop(Iport, Oport, Gr), IOQueue) end. diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl index b3bc5f6d92..362669545e 100644 --- a/lib/stdlib/src/edlin.erl +++ b/lib/stdlib/src/edlin.erl @@ -21,7 +21,7 @@ %% A simple Emacs-like line editor. %% About Latin-1 characters: see the beginning of erl_scan.erl. --export([init/0,start/1,start/2,edit_line/2,prefix_arg/1]). +-export([init/0,init/1,start/1,start/2,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, current_chars/1]). @@ -44,6 +44,20 @@ init() -> put(kill_buffer, []). +init(Pid) -> + %% copy the kill_buffer from the process Pid + CopiedKillBuf = + case erlang:process_info(Pid, dictionary) of + {dictionary,Dict} -> + case proplists:get_value(kill_buffer, Dict) of + undefined -> []; + Buf -> Buf + end; + undefined -> + [] + end, + put(kill_buffer, CopiedKillBuf). + %% start(Prompt) %% edit(Characters, Continuation) %% Return |