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
|
# coding=utf-8
#
# Copyright © 2016 Intel Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# Authors:
# Jani Nikula <jani.nikula@intel.com>
#
# Please make sure this works on both python2 and python3.
#
import codecs
import os
import subprocess
import sys
import re
import glob
from docutils import nodes, statemachine
from docutils.statemachine import ViewList
from docutils.parsers.rst import directives, Directive
import sphinx
from sphinx.util.docutils import switch_source_input
import kernellog
__version__ = '1.0'
class KernelDocDirective(Directive):
"""Extract kernel-doc comments from the specified file"""
required_argument = 1
optional_arguments = 4
option_spec = {
'doc': directives.unchanged_required,
'export': directives.unchanged,
'internal': directives.unchanged,
'identifiers': directives.unchanged,
'no-identifiers': directives.unchanged,
'functions': directives.unchanged,
}
has_content = False
def run(self):
env = self.state.document.settings.env
cmd = [env.config.kerneldoc_bin, '-rst', '-enable-lineno']
# Pass the version string to kernel-doc, as it needs to use a different
# dialect, depending what the C domain supports for each specific
# Sphinx versions
cmd += ['-sphinx-version', sphinx.__version__]
filename = env.config.kerneldoc_srctree + '/' + self.arguments[0]
export_file_patterns = []
# Tell sphinx of the dependency
env.note_dependency(os.path.abspath(filename))
tab_width = self.options.get('tab-width', self.state.document.settings.tab_width)
# 'function' is an alias of 'identifiers'
if 'functions' in self.options:
self.options['identifiers'] = self.options.get('functions')
# FIXME: make this nicer and more robust against errors
if 'export' in self.options:
cmd += ['-export']
export_file_patterns = str(self.options.get('export')).split()
elif 'internal' in self.options:
cmd += ['-internal']
export_file_patterns = str(self.options.get('internal')).split()
elif 'doc' in self.options:
cmd += ['-function', str(self.options.get('doc'))]
elif 'identifiers' in self.options:
identifiers = self.options.get('identifiers').split()
if identifiers:
for i in identifiers:
cmd += ['-function', i]
else:
cmd += ['-no-doc-sections']
if 'no-identifiers' in self.options:
no_identifiers = self.options.get('no-identifiers').split()
if no_identifiers:
for i in no_identifiers:
cmd += ['-nosymbol', i]
for pattern in export_file_patterns:
for f in glob.glob(env.config.kerneldoc_srctree + '/' + pattern):
env.note_dependency(os.path.abspath(f))
cmd += ['-export-file', f]
cmd += [filename]
try:
kernellog.verbose(env.app,
'calling kernel-doc \'%s\'' % (" ".join(cmd)))
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
out, err = codecs.decode(out, 'utf-8'), codecs.decode(err, 'utf-8')
if p.returncode != 0:
sys.stderr.write(err)
kernellog.warn(env.app,
'kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode))
return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
elif env.config.kerneldoc_verbosity > 0:
sys.stderr.write(err)
lines = statemachine.string2lines(out, tab_width, convert_whitespace=True)
result = ViewList()
lineoffset = 0;
line_regex = re.compile(r"^\.\. LINENO ([0-9]+)$")
for line in lines:
match = line_regex.search(line)
if match:
# sphinx counts lines from 0
lineoffset = int(match.group(1)) - 1
# we must eat our comments since the upset the markup
else:
doc = env.srcdir + "/" + env.docname + ":" + str(self.lineno)
result.append(line, doc + ": " + filename, lineoffset)
lineoffset += 1
node = nodes.section()
self.do_parse(result, node)
return node.children
except Exception as e: # pylint: disable=W0703
kernellog.warn(env.app, 'kernel-doc \'%s\' processing failed with: %s' %
(" ".join(cmd), str(e)))
return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
def do_parse(self, result, node):
with switch_source_input(self.state, result):
self.state.nested_parse(result, 0, node, match_titles=1)
def setup(app):
app.add_config_value('kerneldoc_bin', None, 'env')
app.add_config_value('kerneldoc_srctree', None, 'env')
app.add_config_value('kerneldoc_verbosity', 1, 'env')
app.add_directive('kernel-doc', KernelDocDirective)
return dict(
version = __version__,
parallel_read_safe = True,
parallel_write_safe = True
)
|
