150 lines
5.8 KiB
Python
150 lines
5.8 KiB
Python
# coding=utf-8
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#
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# Copyright © 2016 Intel Corporation
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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# Authors:
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# Jani Nikula <jani.nikula@intel.com>
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#
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# Please make sure this works on both python2 and python3.
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#
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import os
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import subprocess
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import sys
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import re
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import glob
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from docutils import nodes, statemachine
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from docutils.statemachine import ViewList
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from docutils.parsers.rst import directives
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from sphinx.util.compat import Directive
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from sphinx.ext.autodoc import AutodocReporter
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__version__ = '1.0'
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class KernelDocDirective(Directive):
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"""Extract kernel-doc comments from the specified file"""
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required_argument = 1
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optional_arguments = 4
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option_spec = {
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'doc': directives.unchanged_required,
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'functions': directives.unchanged_required,
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'export': directives.unchanged,
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'internal': directives.unchanged,
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}
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has_content = False
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def run(self):
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env = self.state.document.settings.env
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cmd = [env.config.kerneldoc_bin, '-rst', '-enable-lineno']
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filename = env.config.kerneldoc_srctree + '/' + self.arguments[0]
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export_file_patterns = []
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# Tell sphinx of the dependency
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env.note_dependency(os.path.abspath(filename))
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tab_width = self.options.get('tab-width', self.state.document.settings.tab_width)
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# FIXME: make this nicer and more robust against errors
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if 'export' in self.options:
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cmd += ['-export']
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export_file_patterns = str(self.options.get('export')).split()
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elif 'internal' in self.options:
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cmd += ['-internal']
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export_file_patterns = str(self.options.get('internal')).split()
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elif 'doc' in self.options:
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cmd += ['-function', str(self.options.get('doc'))]
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elif 'functions' in self.options:
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for f in str(self.options.get('functions')).split():
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cmd += ['-function', f]
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for pattern in export_file_patterns:
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for f in glob.glob(env.config.kerneldoc_srctree + '/' + pattern):
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env.note_dependency(os.path.abspath(f))
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cmd += ['-export-file', f]
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cmd += [filename]
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try:
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env.app.verbose('calling kernel-doc \'%s\'' % (" ".join(cmd)))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
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out, err = p.communicate()
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# python2 needs conversion to unicode.
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# python3 with universal_newlines=True returns strings.
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if sys.version_info.major < 3:
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out, err = unicode(out, 'utf-8'), unicode(err, 'utf-8')
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if p.returncode != 0:
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sys.stderr.write(err)
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env.app.warn('kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode))
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return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
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elif env.config.kerneldoc_verbosity > 0:
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sys.stderr.write(err)
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lines = statemachine.string2lines(out, tab_width, convert_whitespace=True)
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result = ViewList()
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lineoffset = 0;
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line_regex = re.compile("^#define LINENO ([0-9]+)$")
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for line in lines:
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match = line_regex.search(line)
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if match:
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# sphinx counts lines from 0
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lineoffset = int(match.group(1)) - 1
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# we must eat our comments since the upset the markup
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else:
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result.append(line, filename, lineoffset)
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lineoffset += 1
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node = nodes.section()
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buf = self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter
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self.state.memo.reporter = AutodocReporter(result, self.state.memo.reporter)
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self.state.memo.title_styles, self.state.memo.section_level = [], 0
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try:
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self.state.nested_parse(result, 0, node, match_titles=1)
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finally:
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self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter = buf
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return node.children
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except Exception as e: # pylint: disable=W0703
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env.app.warn('kernel-doc \'%s\' processing failed with: %s' %
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(" ".join(cmd), str(e)))
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return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
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def setup(app):
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app.add_config_value('kerneldoc_bin', None, 'env')
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app.add_config_value('kerneldoc_srctree', None, 'env')
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app.add_config_value('kerneldoc_verbosity', 1, 'env')
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app.add_directive('kernel-doc', KernelDocDirective)
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return dict(
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version = __version__,
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parallel_read_safe = True,
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parallel_write_safe = True
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)
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