[PATCH 06/12] docs: kdoc: split struct-member rewriting out of dump_struct()

From: Jonathan Corbet
Date: Thu Jul 31 2025 - 20:15:38 EST


The massive loop that massages struct members shares no data with the rest
of dump_struct(); split it out into its own function. Code movement only,
no other changes.

Signed-off-by: Jonathan Corbet <corbet@xxxxxxx>
---
scripts/lib/kdoc/kdoc_parser.py | 65 +++++++++++++++++----------------
1 file changed, 34 insertions(+), 31 deletions(-)

diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py
index 2bb0da22048f..5c4ad8febb9f 100644
--- a/scripts/lib/kdoc/kdoc_parser.py
+++ b/scripts/lib/kdoc/kdoc_parser.py
@@ -647,37 +647,7 @@ class KernelDoc:
return (r.group(1), r.group(3), r.group(2))
return None

- def dump_struct(self, ln, proto):
- """
- Store an entry for an struct or union
- """
- #
- # Do the basic parse to get the pieces of the declaration.
- #
- struct_parts = self.split_struct_proto(proto)
- if not struct_parts:
- self.emit_msg(ln, f"{proto} error: Cannot parse struct or union!")
- return
- decl_type, declaration_name, members = struct_parts
-
- if self.entry.identifier != declaration_name:
- self.emit_msg(ln, f"expecting prototype for {decl_type} {self.entry.identifier}. "
- f"Prototype was for {decl_type} {declaration_name} instead\n")
- return
- #
- # Go through the list of members applying all of our transformations.
- #
- members = trim_private_members(members)
- for search, sub in struct_prefixes:
- members = search.sub(sub, members)
-
- nested = NestedMatch()
- for search, sub in struct_nested_prefixes:
- members = nested.sub(search, sub, members)
-
- # Keeps the original declaration as-is
- declaration = members
-
+ def rewrite_struct_members(self, members):
# Split nested struct/union elements
#
# This loop was simpler at the original kernel-doc perl version, as
@@ -768,6 +738,39 @@ class KernelDoc:
newmember += f"{dtype} {s_id}.{name}; "

members = members.replace(oldmember, newmember)
+ return members
+
+ def dump_struct(self, ln, proto):
+ """
+ Store an entry for an struct or union
+ """
+ #
+ # Do the basic parse to get the pieces of the declaration.
+ #
+ struct_parts = self.split_struct_proto(proto)
+ if not struct_parts:
+ self.emit_msg(ln, f"{proto} error: Cannot parse struct or union!")
+ return
+ decl_type, declaration_name, members = struct_parts
+
+ if self.entry.identifier != declaration_name:
+ self.emit_msg(ln, f"expecting prototype for {decl_type} {self.entry.identifier}. "
+ f"Prototype was for {decl_type} {declaration_name} instead\n")
+ return
+ #
+ # Go through the list of members applying all of our transformations.
+ #
+ members = trim_private_members(members)
+ for search, sub in struct_prefixes:
+ members = search.sub(sub, members)
+
+ nested = NestedMatch()
+ for search, sub in struct_nested_prefixes:
+ members = nested.sub(search, sub, members)
+
+ # Keeps the original declaration as-is
+ declaration = members
+ members = self.rewrite_struct_members(members)

# Ignore other nested elements, like enums
members = re.sub(r'(\{[^\{\}]*\})', '', members)
--
2.50.1