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11 Commits (redonkable)

Author SHA1 Message Date
Mauro Carvalho Chehab ecb351f1c4 doc: ABI scripts: add a SPDX header file
released under GPL v2.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:58:37 +02:00
Mauro Carvalho Chehab 7ce7b89bf5 scripts/get_abi.pl: add a validate command
Sometimes, we just want the parser to retrieve all symbols from
ABI, in order to check for parsing errors. So, add a new
"validate" command.

While here, update the man/help pages.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:45 +02:00
Mauro Carvalho Chehab 2c0700e7af scripts/get_abi.pl: add a handler for invalid "where" tag
The ABI README file doesn't provide any meaning for a Where:
tag. Yet, a few ABI symbols use it. So, make the parser
handle it, emitting a warning.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:45 +02:00
Mauro Carvalho Chehab 2e7ce05593 scripts/get_abi.pl: avoid creating duplicate names
The file the Documentation/ABI/testing/sysfs-class-power has
voltage_min, voltage_max and voltage_now symbols duplicated.

They are defined first for "General Properties" and then for
"USB Properties".

This cause those warnings:

	get_abi.pl rest --dir $srctree/Documentation/ABI/testing:26933: WARNING: Duplicate explicit target name: "abi_sys_class_power_supply_supply_name_voltage_max".
	get_abi.pl rest --dir $srctree/Documentation/ABI/testing:26968: WARNING: Duplicate explicit target name: "abi_sys_class_power_supply_supply_name_voltage_min".
	get_abi.pl rest --dir $srctree/Documentation/ABI/testing:27008: WARNING: Duplicate explicit target name: "abi_sys_class_power_supply_supply_name_voltage_now".

And, as the references are not valid, it will also generate
warnings about links to undefined references.

Fix it by storing labels into a hash table and, when a duplicated
one is found, appending random characters at the end.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:45 +02:00
Mauro Carvalho Chehab 7d7ea8d240 scripts/get_abi.pl: fix parse issues with some files
A few files are failing to parse:

	Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats
	Documentation/ABI/testing/sysfs-class-pktcdvd
	Documentation/ABI/testing/sysfs-bus-nfit

On all three files, the problem is that there is a ":" character
at the initial file description.

Improve the parse in order to handle those special cases.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:44 +02:00
Mauro Carvalho Chehab 45f9651795 scripts/get_abi.pl: represent what in tables
Several entries at the ABI have multiple What: with the same
description.

Instead of showing those symbols as sections, let's show them
as tables. That makes easier to read on the final output,
and avoid too much recursion at Sphinx parsing.

We need to put file references at the end, as we don't want
non-file tables to be mangled with other entries.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:44 +02:00
Mauro Carvalho Chehab 33e3e9913e scripts/get_abi.pl: add support for searching for ABI symbols
Change its syntax to allow switching between ReST output mode
and a new search mode, with allows to seek for ABI symbols
using regex.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:44 +02:00
Mauro Carvalho Chehab d0ebaf51d2 scripts/get_abi.pl: split label naming from xref logic
Instead of using a ReST compilant label while parsing,
move the label to ReST output. That makes the parsing logic
more generic, allowing it to provide other types of output.

As a side effect, now all files used to generate the output
will be output. We can later add command line arguments to
filter.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:44 +02:00
Mauro Carvalho Chehab 4e6a6234da scripts/get_abi.pl: avoid use literal blocks when not needed
The usage of literal blocks make the document very complex,
causing the browser to take a long time to load.

On most ABI descriptions, they're a plain text, and don't
require a literal block.

So, add a logic there with identifies when a literal block
is needed.

As, on literal blocks, we need to respect the original
document space, the most complex part of this patch is
to preserve the original spacing where needed.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:44 +02:00
Mauro Carvalho Chehab 6619c6617a scripts/get_abi.pl: parse files with text at beginning
It sounds usefult o parse files with has some text at the
beginning. Add support for it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:44 +02:00
Mauro Carvalho Chehab bbc249f2b8 scripts: add an script to parse the ABI files
Add a script to parse the Documentation/ABI files and produce
an output with all entries inside an ABI (sub)directory.

Right now, it outputs its contents on ReST format. It shouldn't
be hard to make it produce other kind of outputs, since the ABI
file parser is implemented in separate than the output generator.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21 16:57:43 +02:00