mirror of https://gitee.com/openkylin/linux.git
103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
# -*- coding: utf-8; mode: python -*-
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u"""
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cdomain
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~~~~~~~
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Replacement for the sphinx c-domain.
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:copyright: Copyright (C) 2016 Markus Heiser
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:license: GPL Version 2, June 1991 see Linux/COPYING for details.
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List of customizations:
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* Moved the *duplicate C object description* warnings for function
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declarations in the nitpicky mode. See Sphinx documentation for
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the config values for ``nitpick`` and ``nitpick_ignore``.
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* Add option 'name' to the "c:function:" directive. With option 'name' the
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ref-name of a function can be modified. E.g.::
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.. c:function:: int ioctl( int fd, int request )
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:name: VIDIOC_LOG_STATUS
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The func-name (e.g. ioctl) remains in the output but the ref-name changed
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from 'ioctl' to 'VIDIOC_LOG_STATUS'. The function is referenced by::
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* :c:func:`VIDIOC_LOG_STATUS` or
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* :any:`VIDIOC_LOG_STATUS` (``:any:`` needs sphinx 1.3)
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"""
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from docutils.parsers.rst import directives
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from sphinx.domains.c import CObject as Base_CObject
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from sphinx.domains.c import CDomain as Base_CDomain
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__version__ = '1.0'
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def setup(app):
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app.override_domain(CDomain)
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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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class CObject(Base_CObject):
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"""
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Description of a C language object.
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"""
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option_spec = {
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"name" : directives.unchanged
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}
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def handle_signature(self, sig, signode):
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"""Transform a C signature into RST nodes."""
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fullname = super(CObject, self).handle_signature(sig, signode)
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if "name" in self.options:
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if self.objtype == 'function':
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fullname = self.options["name"]
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else:
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# FIXME: handle :name: value of other declaration types?
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pass
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return fullname
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def add_target_and_index(self, name, sig, signode):
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# for C API items we add a prefix since names are usually not qualified
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# by a module name and so easily clash with e.g. section titles
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targetname = 'c.' + name
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if targetname not in self.state.document.ids:
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signode['names'].append(targetname)
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signode['ids'].append(targetname)
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signode['first'] = (not self.names)
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self.state.document.note_explicit_target(signode)
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inv = self.env.domaindata['c']['objects']
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if (name in inv and self.env.config.nitpicky):
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if self.objtype == 'function':
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if ('c:func', name) not in self.env.config.nitpick_ignore:
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self.state_machine.reporter.warning(
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'duplicate C object description of %s, ' % name +
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'other instance in ' + self.env.doc2path(inv[name][0]),
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line=self.lineno)
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inv[name] = (self.env.docname, self.objtype)
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indextext = self.get_index_text(name)
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if indextext:
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self.indexnode['entries'].append(('single', indextext,
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targetname, '', None))
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class CDomain(Base_CDomain):
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"""C language domain."""
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name = 'c'
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label = 'C'
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directives = {
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'function': CObject,
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'member': CObject,
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'macro': CObject,
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'type': CObject,
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'var': CObject,
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}
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