Files
linux/tools/lib/python/kdoc/kdoc_item.py
Mauro Carvalho Chehab 99ec67a998 docs: kdoc: better handle source when producing YAML output
The current logic was storing symbols source code on a list,
not linked to the actual KdocItem. While this works fine when
kernel-doc markups are OK, on places where there is a "/**"
without a valid kernel-doc markup, it ends that the 1:1 match
between source code and KdocItem doesn't happen, causing
problems to generate the YAML output.

Fix it by storing the source code directly into the KdocItem
structure.

This shouldn't affect performance or memory footprint, except
when --yaml option is used.

While here, add a __repr__() function for KdocItem, as it
helps debugging it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <77902dafabb5c3250486aa2dc1568d5fafa95c5b.1774256269.git.mchehab+huawei@kernel.org>
2026-03-25 13:36:46 -06:00

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# SPDX-License-Identifier: GPL-2.0
#
# A class that will, eventually, encapsulate all of the parsed data that we
# then pass into the output modules.
#
"""
Data class to store a kernel-doc Item.
"""
class KdocItem:
"""
A class that will, eventually, encapsulate all of the parsed data that we
then pass into the output modules.
"""
def __init__(self, name, fname, type, start_line,
**other_stuff):
self.name = name
self.fname = fname
self.type = type
self.declaration_start_line = start_line
self.sections = {}
self.sections_start_lines = {}
self.parameterlist = []
self.parameterdesc_start_lines = {}
self.parameterdescs = {}
self.parametertypes = {}
self.warnings = []
#
# Just save everything else into our own dict so that the output
# side can grab it directly as before. As we move things into more
# structured data, this will, hopefully, fade away.
#
known_keys = {
'declaration_start_line',
'sections',
'sections_start_lines',
'parameterlist',
'parameterdesc_start_lines',
'parameterdescs',
'parametertypes',
'warnings',
}
self.other_stuff = {}
for k, v in other_stuff.items():
if k in known_keys:
setattr(self, k, v) # real attribute
else:
self.other_stuff[k] = v
def get(self, key, default = None):
"""
Get a value from optional keys.
"""
return self.other_stuff.get(key, default)
def __getitem__(self, key):
return self.get(key)
def __repr__(self):
return f"KdocItem({self.name}, {self.fname}, {self.type}, {self.declaration_start_line})"
@classmethod
def from_dict(cls, d):
"""Create a KdocItem from a plain dict."""
cp = d.copy()
name = cp.pop('name', None)
fname = cp.pop('fname', None)
type = cp.pop('type', None)
start_line = cp.pop('start_line', 1)
other_stuff = cp.pop('other_stuff', {})
# Everything thats left goes straight to __init__
return cls(name, fname, type, start_line, **cp, **other_stuff)
#
# Tracking of section and parameter information.
#
def set_sections(self, sections, start_lines):
"""
Set sections and start lines.
"""
self.sections = sections
self.sections_start_lines = start_lines
def set_params(self, names, descs, types, starts):
"""
Set parameter list: names, descriptions, types and start lines.
"""
self.parameterlist = names
self.parameterdescs = descs
self.parametertypes = types
self.parameterdesc_start_lines = starts