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docs: kernel_abi.py: Handle with a lazy Sphinx parser

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The Sphinx docutils parser is lazy: if the content is bigger than
a certain number of lines, it silenlty stops parsing it,
producing an incomplete content. This seems to be worse on newer
Sphinx versions, like 2.0.

So, change the logic to parse the contents per input file.

Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/4659b60795739308e34d2d00c57ee0742a9cd2ab.1604042072.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-10-30 08:40:35 +01:00 committed by Greg Kroah-Hartman
parent 997b7c8b4a
commit 3c543d2989
1 changed files with 26 additions and 13 deletions
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39
Documentation/sphinx/kernel_abi.py
View File

@ -37,6 +37,7 @@ import os
import subprocess
import sys
import re
import kernellog
from os import path
@ -80,12 +81,6 @@ class KernelCmd(Directive):
"debug" : directives.flag
}
def warn(self, message, **replace):
replace["fname"] = self.state.document.current_source
replace["line_no"] = replace.get("line_no", self.lineno)
message = ("%(fname)s:%(line_no)s: [kernel-abi WARN] : " + message) % replace
self.state.document.settings.env.app.warn(message, prefix="")
def run(self):
doc = self.state.document
@ -111,7 +106,7 @@ class KernelCmd(Directive):
shell_env["srctree"] = srctree
lines = self.runCmd(cmd, shell=True, cwd=cwd, env=shell_env)
nodeList = self.nestedParse(lines, fname)
nodeList = self.nestedParse(lines, self.arguments[0])
return nodeList
def runCmd(self, cmd, **kwargs):
@ -138,9 +133,9 @@ class KernelCmd(Directive):
% (self.name, ErrorString(exc)))
return out
def nestedParse(self, lines, f):
def nestedParse(self, lines, fname):
content = ViewList()
node = nodes.section()
node = nodes.section()
if "debug" in self.options:
code_block = "\n\n.. code-block:: rst\n :linenos:\n"
@ -150,22 +145,42 @@ class KernelCmd(Directive):
line_regex = re.compile("^#define LINENO (\S+)\#([0-9]+)$")
ln = 0
n = 0
f = fname
for line in lines.split("\n"):
n = n + 1
match = line_regex.search(line)
if match:
f = match.group(1)
new_f = match.group(1)
# Sphinx parser is lazy: it stops parsing contents in the
# middle, if it is too big. So, handle it per input file
if new_f != f and content:
self.do_parse(content, node)
content = ViewList()
f = new_f
# sphinx counts lines from 0
ln = int(match.group(2)) - 1
else:
content.append(line, f, ln)
buf = self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter
kernellog.info(self.state.document.settings.env.app, "%s: parsed %i lines" % (fname, n))
if content:
self.do_parse(content, node)
return node.children
def do_parse(self, content, node):
if Use_SSI:
with switch_source_input(self.state, content):
self.state.nested_parse(content, 0, node, match_titles=1)
else:
buf = self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter
self.state.memo.title_styles = []
self.state.memo.section_level = 0
self.state.memo.reporter = AutodocReporter(content, self.state.memo.reporter)
@ -173,5 +188,3 @@ class KernelCmd(Directive):
self.state.nested_parse(content, 0, node, match_titles=1)
finally:
self.state.memo.title_styles, self.state.memo.section_level, self.state.memo.reporter = buf
return node.children