linux-kernel - [PATCH v6 14/15] docs: parser_yaml.py: add support for line numbers from the parser

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Message-ID: <33fc2894166805b93d4cf652cff9927a54b4f242.1750246291.git.mchehab+huawei@kernel.org>
Date: Wed, 18 Jun 2025 13:46:41 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
	Jonathan Corbet <corbet@....net>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	"Akira Yokosawa" <akiyks@...il.com>,
	"Breno Leitao" <leitao@...ian.org>,
	"David S. Miller" <davem@...emloft.net>,
	"Donald Hunter" <donald.hunter@...il.com>,
	"Eric Dumazet" <edumazet@...gle.com>,
	"Ignacio Encinas Rubio" <ignacio@...cinas.com>,
	"Jan Stancek" <jstancek@...hat.com>,
	"Marco Elver" <elver@...gle.com>,
	"Mauro Carvalho Chehab" <mchehab+huawei@...nel.org>,
	"Paolo Abeni" <pabeni@...hat.com>,
	"Ruben Wauters" <rubenru09@....com>,
	"Shuah Khan" <skhan@...uxfoundation.org>,
	Jakub Kicinski <mchehab+huawei@...nel.org>,
	Simon Horman <mchehab+huawei@...nel.org>,
	joel@...lfernandes.org,
	linux-kernel-mentees@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	lkmm@...ts.linux.dev,
	netdev@...r.kernel.org,
	peterz@...radead.org,
	stern@...land.harvard.edu
Subject: [PATCH v6 14/15] docs: parser_yaml.py: add support for line numbers from the parser

Instead of printing line numbers from the temp converted ReST
file, get them from the original source.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 Documentation/sphinx/parser_yaml.py      | 12 ++++++++++--
 tools/net/ynl/pyynl/lib/doc_generator.py | 16 ++++++++++++----
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/Documentation/sphinx/parser_yaml.py b/Documentation/sphinx/parser_yaml.py
index 2b2af239a1c2..5360fcfd4fde 100755
--- a/Documentation/sphinx/parser_yaml.py
+++ b/Documentation/sphinx/parser_yaml.py
@@ -29,6 +29,8 @@ class YamlParser(Parser):
 
     netlink_parser = YnlDocGenerator()
 
+    re_lineno = re.compile(r"\.\. LINENO ([0-9]+)$")
+
     def do_parse(self, inputstring, document, msg):
         """Parse YAML and generate a document tree."""
 
@@ -38,8 +40,14 @@ class YamlParser(Parser):
 
         try:
             # Parse message with RSTParser
-            for i, line in enumerate(msg.split('\n')):
-                result.append(line, document.current_source, i)
+            lineoffset = 0;
+            for line in msg.split('\n'):
+                match = self.re_lineno.match(line)
+                if match:
+                    lineoffset = int(match.group(1))
+                    continue
+
+                result.append(line, document.current_source, lineoffset)
 
             rst_parser = RSTParser()
             rst_parser.parse('\n'.join(result), document)
diff --git a/tools/net/ynl/pyynl/lib/doc_generator.py b/tools/net/ynl/pyynl/lib/doc_generator.py
index a9d8ab6f2639..7f4f98983cdf 100644
--- a/tools/net/ynl/pyynl/lib/doc_generator.py
+++ b/tools/net/ynl/pyynl/lib/doc_generator.py
@@ -158,9 +158,11 @@ class YnlDocGenerator:
     def parse_do(self, do_dict: Dict[str, Any], level: int = 0) -> str:
         """Parse 'do' section and return a formatted string"""
         lines = []
+        if LINE_STR in do_dict:
+            lines.append(self.fmt.rst_lineno(do_dict[LINE_STR]))
+
         for key in do_dict.keys():
             if key == LINE_STR:
-                lines.append(self.fmt.rst_lineno(do_dict[key]))
                 continue
             lines.append(self.fmt.rst_paragraph(self.fmt.bold(key), level + 1))
             if key in ['request', 'reply']:
@@ -187,13 +189,15 @@ class YnlDocGenerator:
         lines = []
 
         for operation in operations:
+            if LINE_STR in operation:
+                lines.append(self.fmt.rst_lineno(operation[LINE_STR]))
+
             lines.append(self.fmt.rst_section(namespace, 'operation',
                                               operation["name"]))
             lines.append(self.fmt.rst_paragraph(operation["doc"]) + "\n")
 
             for key in operation.keys():
                 if key == LINE_STR:
-                    lines.append(self.fmt.rst_lineno(operation[key]))
                     continue
 
                 if key in preprocessed:
@@ -253,10 +257,12 @@ class YnlDocGenerator:
         lines = []
 
         for definition in defs:
+            if LINE_STR in definition:
+                lines.append(self.fmt.rst_lineno(definition[LINE_STR]))
+
             lines.append(self.fmt.rst_section(namespace, 'definition', definition["name"]))
             for k in definition.keys():
                 if k == LINE_STR:
-                    lines.append(self.fmt.rst_lineno(definition[k]))
                     continue
                 if k in preprocessed + ignored:
                     continue
@@ -284,6 +290,9 @@ class YnlDocGenerator:
             lines.append(self.fmt.rst_section(namespace, 'attribute-set',
                                               entry["name"]))
             for attr in entry["attributes"]:
+                if LINE_STR in attr:
+                    lines.append(self.fmt.rst_lineno(attr[LINE_STR]))
+
                 type_ = attr.get("type")
                 attr_line = attr["name"]
                 if type_:
@@ -294,7 +303,6 @@ class YnlDocGenerator:
 
                 for k in attr.keys():
                     if k == LINE_STR:
-                        lines.append(self.fmt.rst_lineno(attr[k]))
                         continue
                     if k in preprocessed + ignored:
                         continue
-- 
2.49.0