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-rw-r--r--lib/tools/emacs/erlang-skels.el120
1 files changed, 119 insertions, 1 deletions
diff --git a/lib/tools/emacs/erlang-skels.el b/lib/tools/emacs/erlang-skels.el
index ac37ff2ee5..ce26c83295 100644
--- a/lib/tools/emacs/erlang-skels.el
+++ b/lib/tools/emacs/erlang-skels.el
@@ -1,7 +1,7 @@
;;
;; %CopyrightBegin%
;;
-;; Copyright Ericsson AB 2010-2014. All Rights Reserved.
+;; Copyright Ericsson AB 2010-2016. All Rights Reserved.
;;
;; Licensed under the Apache License, Version 2.0 (the "License");
;; you may not use this file except in compliance with the License.
@@ -56,6 +56,8 @@
erlang-skel-gen-event erlang-skel-header)
("gen_fsm" "gen-fsm"
erlang-skel-gen-fsm erlang-skel-header)
+ ("gen_statem" "gen-statem"
+ erlang-skel-gen-statem erlang-skel-header)
("wx_object" "wx-object"
erlang-skel-wx-object erlang-skel-header)
("Library module" "gen-lib"
@@ -858,6 +860,122 @@ Please see the function `tempo-define-template'.")
"*The template of a gen_fsm.
Please see the function `tempo-define-template'.")
+(defvar erlang-skel-gen-statem
+ '((erlang-skel-include erlang-skel-large-header)
+ "-behaviour(gen_statem)." n n
+
+ "%% API" n
+ "-export([start_link/0])." n
+ n
+ "%% gen_statem callbacks" n
+ "-export([init/1, terminate/3, code_change/4])." n
+ "-export([state_name/3])." n
+ "-export([handle_event/4])." n
+ n
+ "-define(SERVER, ?MODULE)." n
+ n
+ "-record(data, {})." n
+ n
+ (erlang-skel-double-separator-start 3)
+ "%%% API" n
+ (erlang-skel-double-separator-end 3) n
+ (erlang-skel-separator-start 2)
+ "%% @doc" n
+ "%% Creates a gen_statem process which calls Module:init/1 to" n
+ "%% initialize. To ensure a synchronized start-up procedure, this" n
+ "%% function does not return until Module:init/1 has returned." n
+ "%%" n
+ (erlang-skel-separator-end 2)
+ "-spec start_link() ->" n>
+ "{ok, Pid :: pid()} |" n>
+ "ignore |" n>
+ "{error, Error :: term()}." n
+ "start_link() ->" n>
+ "gen_statem:start_link({local, ?SERVER}, ?MODULE, [], [])." n
+ n
+ (erlang-skel-double-separator-start 3)
+ "%%% gen_statem callbacks" n
+ (erlang-skel-double-separator-end 3) n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% Whenever a gen_statem is started using gen_statem:start/[3,4] or" n
+ "%% gen_statem:start_link/[3,4], this function is called by the new" n
+ "%% process to initialize." n
+ (erlang-skel-separator-end 2)
+ "-spec init(Args :: term()) -> " n>
+ "{gen_statem:callback_mode()," n>
+ "State :: term(), Data :: term()} |" n>
+ "{gen_statem:callback_mode()," n>
+ "State :: term(), Data :: term()," n>
+ "[gen_statem:action()] | gen_statem:action()} |" n>
+ "ignore |" n>
+ "{stop, Reason :: term()}." n
+ "init([]) ->" n>
+ "{state_functions, state_name, #data{}}." n
+ n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% If the gen_statem runs with CallbackMode =:= state_functions" n
+ "%% there should be one instance of this function for each possible" n
+ "%% state name. Whenever a gen_statem receives an event," n
+ "%% the instance of this function with the same name" n
+ "%% as the current state name StateName is called to" n
+ "%% handle the event." n
+ (erlang-skel-separator-end 2)
+ "-spec state_name(" n>
+ "gen_statem:event_type(), Msg :: term()," n>
+ "Data :: term()) ->" n>
+ "gen_statem:state_function_result(). " n
+ "state_name({call,Caller}, _Msg, Data) ->" n>
+ "{next_state, state_name, Data, [{reply,Caller,ok}]}." n
+ n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% If the gen_statem runs with CallbackMode =:= handle_event_function" n
+ "%% this function is called for every event a gen_statem receives." n
+ (erlang-skel-separator-end 2)
+ "-spec handle_event(" n>
+ "gen_statem:event_type(), Msg :: term()," n>
+ "State :: term(), Data :: term()) ->" n>
+ "gen_statem:handle_event_result(). " n
+ "handle_event({call,From}, _Msg, State, Data) ->" n>
+ "{next_state, State, Data, [{reply,From,ok}]}." n
+ n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% This function is called by a gen_statem when it is about to" n
+ "%% terminate. It should be the opposite of Module:init/1 and do any" n
+ "%% necessary cleaning up. When it returns, the gen_statem terminates with" n
+ "%% Reason. The return value is ignored." n
+ (erlang-skel-separator-end 2)
+ "-spec terminate(Reason :: term(), State :: term(), Data :: term()) ->" n>
+ "any()." n
+ "terminate(_Reason, _State, _Data) ->" n>
+ "void." n
+ n
+ (erlang-skel-separator-start 2)
+ "%% @private" n
+ "%% @doc" n
+ "%% Convert process state when code is changed" n
+ (erlang-skel-separator-end 2)
+ "-spec code_change(" n>
+ "OldVsn :: term() | {down,term()}," n>
+ "State :: term(), Data :: term(), Extra :: term()) ->" n>
+ "{ok, NewState :: term(), NewData :: term()}." n
+ "code_change(_OldVsn, State, Data, _Extra) ->" n>
+ "{ok, State, Data}." n
+ n
+ (erlang-skel-double-separator-start 3)
+ "%%% Internal functions" n
+ (erlang-skel-double-separator-end 3)
+ )
+ "*The template of a gen_statem.
+Please see the function `tempo-define-template'.")
+
(defvar erlang-skel-wx-object
'((erlang-skel-include erlang-skel-large-header)
"-behaviour(wx_object)." n n