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scripts/kernel-doc: Fix struct and struct field attribute processing 

The kernel-doc attempts to clear the struct and struct member attributes
from the API documentation it produces. It falls short of the job in the
following respects:

- extra whitespaces are left where __attribute__((...)) was removed,

- only a single attribute is removed per struct,

- attributes (such as aligned) containing numbers were not removed,

- attributes are only cleared from struct fields, not structs themselves.

This patch addresses these issues by removing the attributes.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Sakari Ailus 2018-11-22 13:06:04 +02:00 committed by Jonathan Corbet
parent 32ddfe8b0b
commit 3d9bfb19bd
1 changed files with 4 additions and 3 deletions
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scripts/kernel-doc
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@ -1062,7 +1062,7 @@ sub dump_struct($$) {
my $x = shift;
my $file = shift;
if ($x =~ /(struct|union)\s+(\w+)\s*\{(.*)\}/) {
if ($x =~ /(struct|union)\s+(\w+)\s*\{(.*)\}(\s*(__packed|__aligned|__attribute__\s*\(\([a-z0-9,_\s\(\)]*\)\)))*/) {
my $decl_type = $1;
$declaration_name = $2;
my $members = $3;
@ -1073,8 +1073,9 @@ sub dump_struct($$) {
# strip comments:
$members =~ s/\/\*.*?\*\///gos;
# strip attributes
$members =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//i;
$members =~ s/__aligned\s*\([^;]*\)//gos;
$members =~ s/\s*__attribute__\s*\(\([a-z0-9,_\*\s\(\)]*\)\)//gi;
$members =~ s/\s*__aligned\s*\([^;]*\)//gos;
$members =~ s/\s*__packed\s*//gos;
$members =~ s/\s*CRYPTO_MINALIGN_ATTR//gos;
# replace DECLARE_BITMAP
$members =~ s/DECLARE_BITMAP\s*\(([^,)]+),\s*([^,)]+)\)/unsigned long $1\[BITS_TO_LONGS($2)\]/gos;