diff options
| -rw-r--r-- | Documentation/DocBook/Makefile | 1 | ||||
| -rw-r--r-- | Documentation/Makefile.sphinx | 7 | ||||
| -rw-r--r-- | Documentation/conf.py | 47 | ||||
| -rw-r--r-- | Documentation/kernel-documentation.rst | 29 | ||||
| -rw-r--r-- | Documentation/media/uapi/cec/cec-func-open.rst | 2 | ||||
| -rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-dqevent.rst | 5 | ||||
| -rw-r--r-- | Documentation/sphinx/cdomain.py | 102 | ||||
| -rw-r--r-- | Makefile | 2 | ||||
| -rwxr-xr-x | scripts/kernel-doc | 3 |
9 files changed, 178 insertions, 20 deletions
diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index a91c96522379..a558dfcc9e2d 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -72,6 +72,7 @@ installmandocs: mandocs # no-op for the DocBook toolchain epubdocs: +latexdocs: ### #External programs used diff --git a/Documentation/Makefile.sphinx b/Documentation/Makefile.sphinx index ba4efb1f68f3..894cfaa41f55 100644 --- a/Documentation/Makefile.sphinx +++ b/Documentation/Makefile.sphinx @@ -66,12 +66,16 @@ quiet_cmd_sphinx = SPHINX $@ --> file://$(abspath $(BUILDDIR)/$3/$4); htmldocs: @$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var))) -pdfdocs: +latexdocs: ifeq ($(HAVE_PDFLATEX),0) $(warning The 'xelatex' command was not found. Make sure you have it installed and in PATH to produce PDF output.) @echo " SKIP Sphinx $@ target." else # HAVE_PDFLATEX @$(call loop_cmd,sphinx,latex,.,latex,.) +endif # HAVE_PDFLATEX + +pdfdocs: latexdocs +ifneq ($(HAVE_PDFLATEX),0) $(Q)$(MAKE) PDFLATEX=xelatex LATEXOPTS="-interaction=nonstopmode" -C $(BUILDDIR)/latex endif # HAVE_PDFLATEX @@ -95,6 +99,7 @@ endif # HAVE_SPHINX dochelp: @echo ' Linux kernel internal documentation in different formats (Sphinx):' @echo ' htmldocs - HTML' + @echo ' latexdocs - LaTeX' @echo ' pdfdocs - PDF' @echo ' epubdocs - EPUB' @echo ' xmldocs - XML' diff --git a/Documentation/conf.py b/Documentation/conf.py index 39b9c4a26f6e..46e69dba0e3c 100644 --- a/Documentation/conf.py +++ b/Documentation/conf.py @@ -34,7 +34,7 @@ from load_config import loadConfig # Add any Sphinx extension module names here, as strings. They can be # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom # ones. -extensions = ['kernel-doc', 'rstFlatTable', 'kernel_include'] +extensions = ['kernel-doc', 'rstFlatTable', 'kernel_include', 'cdomain'] # The name of the math extension changed on Sphinx 1.4 if minor > 3: @@ -277,26 +277,46 @@ latex_elements = { % Allow generate some pages in landscape \\usepackage{lscape} - % Put notes in gray color and let them be inside a table - - \\definecolor{MyGray}{rgb}{0.80,0.80,0.80} - - \\makeatletter\\newenvironment{graybox}{% - \\begin{lrbox}{\\@tempboxa}\\begin{minipage}{\\columnwidth}}{\\end{minipage}\\end{lrbox}% - \\colorbox{MyGray}{\\usebox{\\@tempboxa}} + % Put notes in color and let them be inside a table + \\definecolor{NoteColor}{RGB}{204,255,255} + \\definecolor{WarningColor}{RGB}{255,204,204} + \\definecolor{AttentionColor}{RGB}{255,255,204} + \\definecolor{OtherColor}{RGB}{204,204,204} + \\newlength{\\mynoticelength} + \\makeatletter\\newenvironment{coloredbox}[1]{% + \\setlength{\\fboxrule}{1pt} + \\setlength{\\fboxsep}{7pt} + \\setlength{\\mynoticelength}{\\linewidth} + \\addtolength{\\mynoticelength}{-2\\fboxsep} + \\addtolength{\\mynoticelength}{-2\\fboxrule} + \\begin{lrbox}{\\@tempboxa}\\begin{minipage}{\\mynoticelength}}{\\end{minipage}\\end{lrbox}% + \\ifthenelse% + {\\equal{\\py@noticetype}{note}}% + {\\colorbox{NoteColor}{\\usebox{\\@tempboxa}}}% + {% + \\ifthenelse% + {\\equal{\\py@noticetype}{warning}}% + {\\colorbox{WarningColor}{\\usebox{\\@tempboxa}}}% + {% + \\ifthenelse% + {\\equal{\\py@noticetype}{attention}}% + {\\colorbox{AttentionColor}{\\usebox{\\@tempboxa}}}% + {\\colorbox{OtherColor}{\\usebox{\\@tempboxa}}}% + }% + }% }\\makeatother \\makeatletter - \\renewenvironment{notice}[2]{ - \\begin{graybox} - \\bf\\it + \\renewenvironment{notice}[2]{% \\def\\py@noticetype{#1} + \\begin{coloredbox}{#1} + \\bf\\it \\par\\strong{#2} \\csname py@noticestart@#1\\endcsname } { \\csname py@noticeend@\\py@noticetype\\endcsname - \\end{graybox} + \\end{coloredbox} } \\makeatother @@ -306,6 +326,9 @@ latex_elements = { \\setromanfont{DejaVu Sans} \\setmonofont{DejaVu Sans Mono} + % To allow adjusting table sizes + \\usepackage{adjustbox} + ''' } diff --git a/Documentation/kernel-documentation.rst b/Documentation/kernel-documentation.rst index 391decc66a18..a0dcae15639b 100644 --- a/Documentation/kernel-documentation.rst +++ b/Documentation/kernel-documentation.rst @@ -107,6 +107,35 @@ Here are some specific guidelines for the kernel documentation: the order as encountered."), having the higher levels the same overall makes it easier to follow the documents. + +the C domain +------------ + +The `Sphinx C Domain`_ (name c) is suited for documentation of C API. E.g. a +function prototype: + +.. code-block:: rst + + .. c:function:: int ioctl( int fd, int request ) + +The C domain of the kernel-doc has some additional features. E.g. you can +*rename* the reference name of a function with a common name like ``open`` or +``ioctl``: + +.. code-block:: rst + + .. c:function:: int ioctl( int fd, int request ) + :name: VIDIOC_LOG_STATUS + +The func-name (e.g. ioctl) remains in the output but the ref-name changed from +``ioctl`` to ``VIDIOC_LOG_STATUS``. The index entry for this function is also +changed to ``VIDIOC_LOG_STATUS`` and the function can now referenced by: + +.. code-block:: rst + + :c:func:`VIDIOC_LOG_STATUS` + + list tables ----------- diff --git a/Documentation/media/uapi/cec/cec-func-open.rst b/Documentation/media/uapi/cec/cec-func-open.rst index 38fd7e0cfccd..7c0f981a6e07 100644 --- a/Documentation/media/uapi/cec/cec-func-open.rst +++ b/Documentation/media/uapi/cec/cec-func-open.rst @@ -32,7 +32,7 @@ Arguments Open flags. Access mode must be ``O_RDWR``. When the ``O_NONBLOCK`` flag is given, the - :ref:`CEC_RECEIVE <CEC_RECEIVE>` and :ref:`CEC_DQEVENT <CEC_DQEVENT>` ioctls + :ref:`CEC_RECEIVE <CEC_RECEIVE>` and :c:func:`CEC_DQEVENT` ioctls will return the ``EAGAIN`` error code when no message or event is available, and ioctls :ref:`CEC_TRANSMIT <CEC_TRANSMIT>`, :ref:`CEC_ADAP_S_PHYS_ADDR <CEC_ADAP_S_PHYS_ADDR>` and diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst index 7a6d6d00ce19..4e12e6cd88ee 100644 --- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst +++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst @@ -15,7 +15,8 @@ CEC_DQEVENT - Dequeue a CEC event Synopsis ======== -.. cpp:function:: int ioctl( int fd, int request, struct cec_event *argp ) +.. c:function:: int ioctl( int fd, int request, struct cec_event *argp ) + :name: CEC_DQEVENT Arguments ========= @@ -36,7 +37,7 @@ Description and is currently only available as a staging kernel module. CEC devices can send asynchronous events. These can be retrieved by -calling :ref:`ioctl CEC_DQEVENT <CEC_DQEVENT>`. If the file descriptor is in +calling :c:func:`CEC_DQEVENT`. If the file descriptor is in non-blocking mode and no event is pending, then it will return -1 and set errno to the ``EAGAIN`` error code. diff --git a/Documentation/sphinx/cdomain.py b/Documentation/sphinx/cdomain.py new file mode 100644 index 000000000000..9eb714ada394 --- /dev/null +++ b/Documentation/sphinx/cdomain.py @@ -0,0 +1,102 @@ +# -*- coding: utf-8; mode: python -*- +u""" + cdomain + ~~~~~~~ + + Replacement for the sphinx c-domain. + + :copyright: Copyright (C) 2016 Markus Heiser + :license: GPL Version 2, June 1991 see Linux/COPYING for details. + + List of customizations: + + * Moved the *duplicate C object description* warnings for function + declarations in the nitpicky mode. See Sphinx documentation for + the config values for ``nitpick`` and ``nitpick_ignore``. + + * Add option 'name' to the "c:function:" directive. With option 'name' the + ref-name of a function can be modified. E.g.:: + + .. c:function:: int ioctl( int fd, int request ) + :name: VIDIOC_LOG_STATUS + + The func-name (e.g. ioctl) remains in the output but the ref-name changed + from 'ioctl' to 'VIDIOC_LOG_STATUS'. The function is referenced by:: + + * :c:func:`VIDIOC_LOG_STATUS` or + * :any:`VIDIOC_LOG_STATUS` (``:any:`` needs sphinx 1.3) +""" + +from docutils.parsers.rst import directives + +from sphinx.domains.c import CObject as Base_CObject +from sphinx.domains.c import CDomain as Base_CDomain + +__version__ = '1.0' + +def setup(app): + + app.override_domain(CDomain) + + return dict( + version = __version__, + parallel_read_safe = True, + parallel_write_safe = True + ) + +class CObject(Base_CObject): + + """ + Description of a C language object. + """ + option_spec = { + "name" : directives.unchanged + } + + def handle_signature(self, sig, signode): + """Transform a C signature into RST nodes.""" + fullname = super(CObject, self).handle_signature(sig, signode) + if "name" in self.options: + if self.objtype == 'function': + fullname = self.options["name"] + else: + # FIXME: handle :name: value of other declaration types? + pass + return fullname + + def add_target_and_index(self, name, sig, signode): + # for C API items we add a prefix since names are usually not qualified + # by a module name and so easily clash with e.g. section titles + targetname = 'c.' + name + if targetname not in self.state.document.ids: + signode['names'].append(targetname) + signode['ids'].append(targetname) + signode['first'] = (not self.names) + self.state.document.note_explicit_target(signode) + inv = self.env.domaindata['c']['objects'] + if (name in inv and self.env.config.nitpicky): + if self.objtype == 'function': + if ('c:func', name) not in self.env.config.nitpick_ignore: + self.state_machine.reporter.warning( + 'duplicate C object description of %s, ' % name + + 'other instance in ' + self.env.doc2path(inv[name][0]), + line=self.lineno) + inv[name] = (self.env.docname, self.objtype) + + indextext = self.get_index_text(name) + if indextext: + self.indexnode['entries'].append(('single', indextext, + targetname, '', None)) + +class CDomain(Base_CDomain): + + """C language domain.""" + name = 'c' + label = 'C' + directives = { + 'function': CObject, + 'member': CObject, + 'macro': CObject, + 'type': CObject, + 'var': CObject, + } @@ -1432,7 +1432,7 @@ $(help-board-dirs): help-%: # Documentation targets # --------------------------------------------------------------------------- -DOC_TARGETS := xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs epubdocs cleandocs +DOC_TARGETS := xmldocs sgmldocs psdocs latexdocs pdfdocs htmldocs mandocs installmandocs epubdocs cleandocs PHONY += $(DOC_TARGETS) $(DOC_TARGETS): scripts_basic FORCE $(Q)$(MAKE) $(build)=scripts build_docproc build_check-lc_ctype diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 4f2e9049e8fa..ba081c7636a2 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -1849,9 +1849,6 @@ sub output_function_rst(%) { $count++; $type = $args{'parametertypes'}{$parameter}; - # RST doesn't like address_space tags at function prototypes - $type =~ s/__(user|kernel|iomem|percpu|pmem|rcu)\s*//; - if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { # pointer-to-function print $1 . $parameter . ") (" . $2; |