scripts: kernel-doc: split typedef complex regex

The typedef regex for function prototypes are very complex.
Split them into 3 separate regex and then join them using
qr.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/3a4af999a0d62d4ab9dfae1cdefdfcad93383356.1603792384.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201117165312.118257-29-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2020-11-17 17:53:11 +01:00 committed by Paolo Bonzini
parent 01a7917d9b
commit e495a1b26c

View File

@ -1427,17 +1427,21 @@ sub dump_enum($$) {
} }
} }
my $typedef_type = qr { ((?:\s+[\w\*]+){1,8})\s* }x;
my $typedef_ident = qr { \*?\s*(\w\S+)\s* }x;
my $typedef_args = qr { \s*\((.*)\); }x;
my $typedef1 = qr { typedef$typedef_type\($typedef_ident\)$typedef_args }x;
my $typedef2 = qr { typedef$typedef_type$typedef_ident$typedef_args }x;
sub dump_typedef($$) { sub dump_typedef($$) {
my $x = shift; my $x = shift;
my $file = shift; my $file = shift;
$x =~ s@/\*.*?\*/@@gos; # strip comments. $x =~ s@/\*.*?\*/@@gos; # strip comments.
# Parse function prototypes # Parse function typedef prototypes
if ($x =~ /typedef((?:\s+[\w\*]+){1,8})\s*\(\*?\s*(\w\S+)\s*\)\s*\((.*)\);/ || if ($x =~ $typedef1 || $x =~ $typedef2) {
$x =~ /typedef((?:\s+[\w\*]+\s+){1,8})\s*\*?(\w\S+)\s*\s*\((.*)\);/) {
# Function typedefs
$return_type = $1; $return_type = $1;
$declaration_name = $2; $declaration_name = $2;
my $args = $3; my $args = $3;