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a65d66c0 | 1 | #!/usr/bin/python3 |
0af91589 UH |
2 | ## |
3 | ## This file is part of the sigrok-util project. | |
4 | ## | |
5 | ## Copyright (C) 2012 Bert Vermeulen <bert@biot.com> | |
6 | ## | |
7 | ## This program is free software: you can redistribute it and/or modify | |
8 | ## it under the terms of the GNU General Public License as published by | |
9 | ## the Free Software Foundation, either version 3 of the License, or | |
10 | ## (at your option) any later version. | |
11 | ## | |
12 | ## This program is distributed in the hope that it will be useful, | |
13 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ## GNU General Public License for more details. | |
16 | ## | |
17 | ## You should have received a copy of the GNU General Public License | |
18 | ## along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | ## | |
a65d66c0 BV |
20 | |
21 | import os | |
22 | import sys | |
23 | import tempfile | |
24 | from subprocess import Popen, PIPE | |
25 | import shutil | |
26 | import re | |
27 | import socket | |
28 | import datetime | |
29 | ||
0af91589 UH |
30 | TMPL_AUTOCONF_AC_ARG_ENABLE = """\ |
31 | AC_ARG_ENABLE(${short}, AC_HELP_STRING([--enable-${short}], | |
d51b5323 BV |
32 | [enable ${name} support [default=yes]]), |
33 | [HW_${upper}="$enableval"], | |
28dff7d5 | 34 | [HW_${upper}=$HW_ENABLED_DEFAULT]) |
a65d66c0 BV |
35 | AM_CONDITIONAL(HW_${upper}, test x$HW_${upper} = xyes) |
36 | if test "x$HW_${upper}" = "xyes"; then | |
28113f29 | 37 | AC_DEFINE(HAVE_HW_${upper}, 1, [${name} support]) |
a65d66c0 BV |
38 | fi |
39 | ||
40 | """ | |
41 | TMPL_AUTOCONF_AC_CONFIG_FILES = "\t\t hardware/${short}/Makefile\n" | |
42 | TMPL_AUTOCONF_SUMMARY = 'echo " - ${summary}"\n' | |
7d787983 | 43 | |
d51b5323 | 44 | TMPL_HWMAKE_DRIVERLIB = """if HW_${upper} |
7d787983 AK |
45 | libsigrok_la_SOURCES += \ |
46 | hardware/${short}/protocol.h \ | |
47 | hardware/${short}/protocol.c \ | |
48 | hardware/${short}/api.c | |
d51b5323 BV |
49 | endif |
50 | ||
51 | """ | |
52 | TMPL_HWDRIVER_EXTERN = """\ | |
53 | #ifdef HAVE_HW_${upper} | |
54 | extern SR_PRIV struct sr_dev_driver ${lib}_driver_info; | |
55 | #endif | |
56 | """ | |
57 | TMPL_HWDRIVER_DIPTR = """\ | |
58 | #ifdef HAVE_HW_${upper} | |
59 | &${lib}_driver_info, | |
60 | #endif | |
61 | """ | |
a65d66c0 BV |
62 | FILE_DRV_API = 'drv-api.c' |
63 | FILE_DRV_PROTOCOL = 'drv-protocol.c' | |
64 | FILE_DRV_PROTOCOL_H = 'drv-protocol.h' | |
65 | ||
66 | def tmpl(template): | |
67 | out = re.sub(r'\${([^}]+)}', lambda x: str(names[x.group(1)]), template) | |
68 | ||
69 | return out | |
70 | ||
71 | ||
72 | def tmpl_file(filename): | |
73 | template = open(TMPLDIR + '/' + filename).read() | |
74 | ||
75 | return tmpl(template) | |
76 | ||
77 | ||
78 | def new_driver(): | |
79 | tmp = tempfile.mkdtemp() | |
80 | try: | |
81 | os.chdir(tmp) | |
617f4da0 AJ |
82 | process = Popen("git clone " + LIBSR, shell=True, stderr=PIPE) |
83 | out, err = process.communicate() | |
84 | if process.returncode: | |
a65d66c0 BV |
85 | raise Exception(err.decode()) |
86 | gitdir = tmp + '/libsigrok/' | |
87 | do_configure_ac(gitdir) | |
d51b5323 | 88 | do_hwdriver(gitdir) |
a65d66c0 BV |
89 | do_hwmake(gitdir) |
90 | do_driverskel(gitdir) | |
91 | make_patch(gitdir) | |
92 | except Exception as e: | |
93 | print(e) | |
94 | shutil.rmtree(tmp) | |
95 | ||
96 | ||
97 | def do_configure_ac(gitdir): | |
98 | cacpath = gitdir + 'configure.ac' | |
99 | configure_ac = open(cacpath).read() | |
100 | ||
101 | # add AC_ARG_ENABLE option | |
102 | out = '' | |
103 | state = 'copy' | |
104 | for line in configure_ac.split('\n')[:-1]: | |
105 | if state == 'copy': | |
106 | if line == "# Hardware support '--enable' options.": | |
107 | state = 'acarg' | |
108 | elif state == 'acarg': | |
109 | m = re.match('AC_ARG_ENABLE\(([^,]+)', line) | |
110 | if m: | |
111 | drv_short = m.group(1) | |
112 | if drv_short.lower() > names['short']: | |
113 | out += tmpl(TMPL_AUTOCONF_AC_ARG_ENABLE) | |
114 | state = 'done' | |
115 | if line == '# Checks for libraries.': | |
116 | # new one at the end | |
117 | out += tmpl(TMPL_AUTOCONF_AC_ARG_ENABLE) | |
118 | state = 'done' | |
119 | out += line + '\n' | |
120 | if state != 'done': | |
121 | raise Exception('AC_ARG_ENABLE markers not found in configure.ac') | |
122 | configure_ac = out | |
123 | ||
a65d66c0 BV |
124 | # add summary line |
125 | out = '' | |
126 | state = 'copy' | |
16e3ae13 | 127 | names['summary'] = "%s%s $HW_%s" % (names['short'], |
a65d66c0 BV |
128 | '.' * (32 - len(names['name'])), names['upper']) |
129 | for line in configure_ac.split('\n')[:-1]: | |
130 | if state == 'copy': | |
131 | if line.find('Enabled hardware drivers') > -1: | |
132 | state = 'echo' | |
133 | elif state == 'echo': | |
134 | m = re.match('echo " - ([^\.]+)', line) | |
135 | if m: | |
136 | drv_short = m.group(1) | |
137 | if drv_short.lower() > names['name'].lower(): | |
138 | out += tmpl(TMPL_AUTOCONF_SUMMARY) | |
139 | state = 'done' | |
140 | else: | |
141 | # new one at the end | |
142 | out += tmpl(TMPL_AUTOCONF_SUMMARY) | |
143 | state = 'done' | |
144 | out += line + '\n' | |
145 | if state != 'done': | |
146 | raise Exception('summary marker not found in configure.ac') | |
147 | configure_ac = out | |
148 | ||
149 | open(cacpath, 'w').write(configure_ac) | |
150 | ||
151 | ||
d51b5323 BV |
152 | def do_hwdriver(gitdir): |
153 | path = gitdir + 'hwdriver.c' | |
154 | hwdriver = open(path).read() | |
155 | # add HAVE_HW_thing extern and pointers | |
156 | out = '' | |
157 | state = 'copy' | |
158 | for line in hwdriver.split('\n')[:-1]: | |
159 | if state == 'copy': | |
160 | if line.find('/** @cond PRIVATE */') == 0: | |
161 | state = 'extern' | |
162 | elif line.find('static struct sr_dev_driver *drivers_list') == 0: | |
163 | state = 'diptr' | |
164 | elif state in ('extern', 'diptr'): | |
165 | if state == 'extern': | |
166 | entry = tmpl(TMPL_HWDRIVER_EXTERN) | |
167 | next_state = 'copy' | |
168 | else: | |
169 | entry = tmpl(TMPL_HWDRIVER_DIPTR) | |
170 | next_state = 'done' | |
171 | m = re.match('#ifdef HAVE_.._(.*)', line) | |
172 | if m: | |
173 | drv = m.group(1) | |
174 | if drv > names['upper']: | |
175 | out += entry | |
176 | state = next_state | |
177 | elif not re.match('(extern|\t&|#endif)', line): | |
178 | # new one at the end | |
179 | out += entry | |
180 | state = next_state | |
181 | out += line + '\n' | |
182 | if state != 'done': | |
183 | raise Exception('HAVE_* markers not found in hwdriver.c') | |
184 | hwdriver = out | |
185 | ||
186 | open(path, 'w').write(hwdriver) | |
187 | ||
188 | ||
a65d66c0 | 189 | def do_hwmake(gitdir): |
7d787983 | 190 | path = gitdir + 'Makefile.am' |
a65d66c0 BV |
191 | hwmake = open(path).read() |
192 | ||
7d787983 | 193 | # add entry at correct place in Makefile |
a65d66c0 BV |
194 | out = '' |
195 | state = 'copy' | |
196 | for line in hwmake.split('\n')[:-1]: | |
197 | if state == 'copy': | |
7d787983 | 198 | if line.find('# Hardware drivers') > -1: |
d51b5323 BV |
199 | state = 'driverlib' |
200 | elif state == 'driverlib': | |
201 | m = re.match('if [A-Z]{2}_(.*)$', line) | |
202 | if m: | |
203 | drv_short = m.group(1) | |
204 | if drv_short > names['upper']: | |
205 | out += tmpl(TMPL_HWMAKE_DRIVERLIB) | |
206 | state = 'done' | |
a65d66c0 | 207 | out += line + '\n' |
7d787983 AK |
208 | if state != 'done': |
209 | raise Exception('markers not found in Makefile.am') | |
a65d66c0 BV |
210 | hwmake = out |
211 | ||
212 | open(path, 'w').write(hwmake) | |
213 | ||
214 | ||
215 | def do_driverskel(gitdir): | |
216 | drvdir = gitdir + 'hardware/' + names['short'] | |
217 | os.mkdir(drvdir) | |
a65d66c0 BV |
218 | open(drvdir + '/api.c', 'w').write(tmpl_file(FILE_DRV_API)) |
219 | open(drvdir + '/protocol.c', 'w').write(tmpl_file(FILE_DRV_PROTOCOL)) | |
220 | open(drvdir + '/protocol.h', 'w').write(tmpl_file(FILE_DRV_PROTOCOL_H)) | |
221 | ||
222 | ||
223 | def make_patch(gitdir): | |
224 | os.chdir(gitdir) | |
225 | command('git add hardware/' + names['short']) | |
0af91589 | 226 | cmd = 'git commit -m "%s: Initial driver skeleton." ' % names['short'] |
7d787983 | 227 | cmd += 'configure.ac Makefile.am hwdriver.c hardware/' + names['short'] |
a65d66c0 BV |
228 | command(cmd) |
229 | cmd = "git format-patch HEAD~1" | |
230 | out, err = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE).communicate() | |
231 | if err: | |
232 | raise Exception(err.decode()) | |
233 | patch = out.decode().strip() | |
234 | shutil.move(gitdir + '/' + patch, scriptdir + '/' + patch) | |
235 | print(patch) | |
236 | ||
237 | ||
238 | def command(cmd): | |
239 | out, err = Popen(cmd, shell=True, stderr=PIPE).communicate() | |
240 | if err: | |
241 | raise Exception(err.decode()) | |
242 | ||
243 | ||
244 | def parse_gitconfig(): | |
0af91589 UH |
245 | try: |
246 | author = email = None | |
247 | for line in open(os.environ['HOME'] + '/.gitconfig').readlines(): | |
248 | m = re.match('\s*(\w+)\s*=\s*(.*)\s*$', line) | |
249 | if m: | |
250 | key, value = m.groups() | |
251 | if key == 'name': | |
252 | author = value | |
253 | elif key == 'email': | |
254 | email = value | |
255 | if author and email: | |
256 | break | |
257 | except: | |
258 | pass | |
259 | if not author or not email: | |
260 | print("Please put your name and email in ~/.gitconfig") | |
261 | sys.exit() | |
262 | ||
263 | return author, email | |
a65d66c0 BV |
264 | |
265 | # | |
266 | # main | |
267 | # | |
268 | ||
269 | scriptdir = os.getcwd() | |
87c5b243 BV |
270 | if scriptdir.split('/')[-2:] != ['sigrok-util', 'source']: |
271 | print("Please call this script from the 'source' directory.") | |
272 | sys.exit(1) | |
273 | ||
274 | LIBSR = 'git://sigrok.org/libsigrok' | |
275 | TMPLDIR = scriptdir | |
a65d66c0 BV |
276 | |
277 | if len(sys.argv) < 2: | |
0af91589 | 278 | print("Usage: new-driver <name>") |
a65d66c0 BV |
279 | sys.exit() |
280 | ||
281 | author, email = parse_gitconfig() | |
282 | name = ' '.join(sys.argv[1:]) | |
283 | names = { | |
284 | 'name': name, | |
285 | 'short': re.sub('[^a-z0-9]', '-', name.lower()), | |
286 | 'lib': re.sub('[^a-z0-9]', '_', name.lower()), | |
287 | 'upper': re.sub('[^A-Z0-9]', '_', name.upper()), | |
288 | 'libupper': re.sub('[^A-Z0-9]', '', name.upper()), | |
0af91589 UH |
289 | 'year': datetime.datetime.now().year, |
290 | 'author': author, | |
291 | 'email': email, | |
a65d66c0 BV |
292 | } |
293 | new_driver() | |
294 |