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2019-06-21doc: ABI scripts: add a SPDX header fileMauro Carvalho Chehab1-0/+1
released under GPL v2. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-21scripts/get_abi.pl: add a validate commandMauro Carvalho Chehab1-7/+9
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>
2019-06-21scripts/get_abi.pl: add a handler for invalid "where" tagMauro Carvalho Chehab1-0/+6
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>
2019-06-21scripts/get_abi.pl: avoid creating duplicate namesMauro Carvalho Chehab1-0/+9
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>
2019-06-21scripts/get_abi.pl: fix parse issues with some filesMauro Carvalho Chehab1-2/+2
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>
2019-06-21scripts/get_abi.pl: represent what in tablesMauro Carvalho Chehab1-5/+36
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>
2019-06-21scripts/get_abi.pl: add support for searching for ABI symbolsMauro Carvalho Chehab1-9/+103
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>
2019-06-21scripts/get_abi.pl: split label naming from xref logicMauro Carvalho Chehab1-41/+53
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>
2019-06-21scripts/get_abi.pl: avoid use literal blocks when not neededMauro Carvalho Chehab1-25/+77
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>
2019-06-21scripts/get_abi.pl: parse files with text at beginningMauro Carvalho Chehab1-5/+54
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>
2019-06-21scripts: add an script to parse the ABI filesMauro Carvalho Chehab1-0/+212
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>