1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
# Copyright (c) 2014, Loïc Hoguin <[email protected]>
# This file is part of erlang.mk and subject to the terms of the ISC License.
.PHONY: bootstrap bootstrap-lib bootstrap-rel new list-templates
# Core targets.
help::
@printf "%s\n" "" \
"Bootstrap targets:" \
" bootstrap Generate a skeleton of an OTP application" \
" bootstrap-lib Generate a skeleton of an OTP library" \
" bootstrap-rel Generate the files needed to build a release" \
" new t=TPL n=NAME Generate a module NAME based on the template TPL" \
" list-templates List available templates"
# Bootstrap templates.
bs_appsrc = "{application, $(PROJECT), [" \
" {description, \"\"}," \
" {vsn, \"0.1.0\"}," \
" {modules, []}," \
" {registered, []}," \
" {applications, [" \
" kernel," \
" stdlib" \
" ]}," \
" {mod, {$(PROJECT)_app, []}}," \
" {env, []}" \
"]}."
bs_appsrc_lib = "{application, $(PROJECT), [" \
" {description, \"\"}," \
" {vsn, \"0.1.0\"}," \
" {modules, []}," \
" {registered, []}," \
" {applications, [" \
" kernel," \
" stdlib" \
" ]}" \
"]}."
bs_Makefile = "PROJECT = $(PROJECT)" \
"include erlang.mk"
bs_app = "-module($(PROJECT)_app)." \
"-behaviour(application)." \
"" \
"-export([start/2])." \
"-export([stop/1])." \
"" \
"start(_Type, _Args) ->" \
" $(PROJECT)_sup:start_link()." \
"" \
"stop(_State) ->" \
" ok."
bs_relx_config = "{release, {$(PROJECT)_release, \"1\"}, [$(PROJECT)]}." \
"{extended_start_script, true}." \
"{sys_config, \"rel/sys.config\"}." \
"{vm_args, \"rel/vm.args\"}."
bs_sys_config = "[" \
"]."
bs_vm_args = "-name $(PROJECT)@127.0.0.1" \
"-setcookie $(PROJECT)" \
"-heart"
# Normal templates.
tpl_supervisor = "-module($(n))." \
"-behaviour(supervisor)." \
"" \
"-export([start_link/0])." \
"-export([init/1])." \
"" \
"start_link() ->" \
" supervisor:start_link({local, ?MODULE}, ?MODULE, [])." \
"" \
"init([]) ->" \
" Procs = []," \
" {ok, {{one_for_one, 1, 5}, Procs}}."
tpl_gen_server = "-module($(n))." \
"-behaviour(gen_server)." \
"" \
"%% API." \
"-export([start_link/0])." \
"" \
"%% gen_server." \
"-export([init/1])." \
"-export([handle_call/3])." \
"-export([handle_cast/2])." \
"-export([handle_info/2])." \
"-export([terminate/2])." \
"-export([code_change/3])." \
"" \
"-record(state, {" \
"})." \
"" \
"%% API." \
"" \
"-spec start_link() -> {ok, pid()}." \
"start_link() ->" \
" gen_server:start_link(?MODULE, [], [])." \
"" \
"%% gen_server." \
"" \
"init([]) ->" \
" {ok, \#state{}}." \
"" \
"handle_call(_Request, _From, State) ->" \
" {reply, ignored, State}." \
"" \
"handle_cast(_Msg, State) ->" \
" {noreply, State}." \
"" \
"handle_info(_Info, State) ->" \
" {noreply, State}." \
"" \
"terminate(_Reason, _State) ->" \
" ok." \
"" \
"code_change(_OldVsn, State, _Extra) ->" \
" {ok, State}."
tpl_cowboy_http = "-module($(n))." \
"-behaviour(cowboy_http_handler)." \
"" \
"-export([init/3])." \
"-export([handle/2])." \
"-export([terminate/3])." \
"" \
"-record(state, {" \
"})." \
"" \
"init(_, Req, _Opts) ->" \
" {ok, Req, \#state{}}." \
"" \
"handle(Req, State=\#state{}) ->" \
" {ok, Req2} = cowboy_req:reply(200, Req)," \
" {ok, Req2, State}." \
"" \
"terminate(_Reason, _Req, _State) ->" \
" ok."
tpl_cowboy_loop = "-module($(n))." \
"-behaviour(cowboy_loop_handler)." \
"" \
"-export([init/3])." \
"-export([info/3])." \
"-export([terminate/3])." \
"" \
"-record(state, {" \
"})." \
"" \
"init(_, Req, _Opts) ->" \
" {loop, Req, \#state{}, 5000, hibernate}." \
"" \
"info(_Info, Req, State) ->" \
" {loop, Req, State, hibernate}." \
"" \
"terminate(_Reason, _Req, _State) ->" \
" ok."
tpl_cowboy_rest = "-module($(n))." \
"" \
"-export([init/3])." \
"-export([content_types_provided/2])." \
"-export([get_html/2])." \
"" \
"init(_, _Req, _Opts) ->" \
" {upgrade, protocol, cowboy_rest}." \
"" \
"content_types_provided(Req, State) ->" \
" {[{{<<\"text\">>, <<\"html\">>, '*'}, get_html}], Req, State}." \
"" \
"get_html(Req, State) ->" \
" {<<\"<html><body>This is REST!</body></html>\">>, Req, State}."
tpl_cowboy_ws = "-module($(n))." \
"-behaviour(cowboy_websocket_handler)." \
"" \
"-export([init/3])." \
"-export([websocket_init/3])." \
"-export([websocket_handle/3])." \
"-export([websocket_info/3])." \
"-export([websocket_terminate/3])." \
"" \
"-record(state, {" \
"})." \
"" \
"init(_, _, _) ->" \
" {upgrade, protocol, cowboy_websocket}." \
"" \
"websocket_init(_, Req, _Opts) ->" \
" Req2 = cowboy_req:compact(Req)," \
" {ok, Req2, \#state{}}." \
"" \
"websocket_handle({text, Data}, Req, State) ->" \
" {reply, {text, Data}, Req, State};" \
"websocket_handle({binary, Data}, Req, State) ->" \
" {reply, {binary, Data}, Req, State};" \
"websocket_handle(_Frame, Req, State) ->" \
" {ok, Req, State}." \
"" \
"websocket_info(_Info, Req, State) ->" \
" {ok, Req, State}." \
"" \
"websocket_terminate(_Reason, _Req, _State) ->" \
" ok."
tpl_ranch_protocol = "-module($(n))." \
"-behaviour(ranch_protocol)." \
"" \
"-export([start_link/4])." \
"-export([init/4])." \
"" \
"-type opts() :: []." \
"-export_type([opts/0])." \
"" \
"-record(state, {" \
" socket :: inet:socket()," \
" transport :: module()" \
"})." \
"" \
"start_link(Ref, Socket, Transport, Opts) ->" \
" Pid = spawn_link(?MODULE, init, [Ref, Socket, Transport, Opts])," \
" {ok, Pid}." \
"" \
"-spec init(ranch:ref(), inet:socket(), module(), opts()) -> ok." \
"init(Ref, Socket, Transport, _Opts) ->" \
" ok = ranch:accept_ack(Ref)," \
" loop(\#state{socket=Socket, transport=Transport})." \
"" \
"loop(State) ->" \
" loop(State)."
# Plugin-specific targets.
bootstrap:
ifneq ($(wildcard src/),)
$(error Error: src/ directory already exists)
endif
@printf "%s\n" $(bs_Makefile) > Makefile
@mkdir src/
@printf "%s\n" $(bs_appsrc) > src/$(PROJECT).app.src
@printf "%s\n" $(bs_app) > src/$(PROJECT)_app.erl
$(eval n := $(PROJECT)_sup)
@printf "%s\n" $(tpl_supervisor) > src/$(PROJECT)_sup.erl
bootstrap-lib:
ifneq ($(wildcard src/),)
$(error Error: src/ directory already exists)
endif
@printf "%s\n" $(bs_Makefile) > Makefile
@mkdir src/
@printf "%s\n" $(bs_appsrc_lib) > src/$(PROJECT).app.src
bootstrap-rel:
ifneq ($(wildcard relx.config),)
$(error Error: relx.config already exists)
endif
ifneq ($(wildcard rel/),)
$(error Error: rel/ directory already exists)
endif
@printf "%s\n" $(bs_relx_config) > relx.config
@mkdir rel/
@printf "%s\n" $(bs_sys_config) > rel/sys.config
@printf "%s\n" $(bs_vm_args) > rel/vm.args
new:
ifeq ($(wildcard src/),)
$(error Error: src/ directory does not exist)
endif
ifndef t
$(error Usage: make new t=TEMPLATE n=NAME)
endif
ifndef tpl_$(t)
$(error Unknown template)
endif
ifndef n
$(error Usage: make new t=TEMPLATE n=NAME)
endif
@printf "%s\n" $(tpl_$(t)) > src/$(n).erl
list-templates:
@echo Available templates: $(sort $(patsubst tpl_%,%,$(filter tpl_%,$(.VARIABLES))))
|
