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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-10-27 11:20:37 +0100
committerJonathan Corbet <corbet@lwn.net>2020-10-28 11:13:34 -0600
commit7efc6c4295f5489e25eaef6d6fb6ceb6a6e238d0 (patch)
treeaec8473c3c75b4f34a3f42859d25bae92acc3690
parent6b80975c6308b5dc93b270a2903a314d896974c4 (diff)
downloadlinux-7efc6c4295f5489e25eaef6d6fb6ceb6a6e238d0.tar.bz2
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>
-rwxr-xr-xscripts/kernel-doc14
1 files changed, 9 insertions, 5 deletions
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index c7c9f1e8428d..cf71897df36d 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -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($$) {
my $x = shift;
my $file = shift;
$x =~ s@/\*.*?\*/@@gos; # strip comments.
- # Parse function prototypes
- if ($x =~ /typedef((?:\s+[\w\*]+){1,8})\s*\(\*?\s*(\w\S+)\s*\)\s*\((.*)\);/ ||
- $x =~ /typedef((?:\s+[\w\*]+\s+){1,8})\s*\*?(\w\S+)\s*\s*\((.*)\);/) {
-
- # Function typedefs
+ # Parse function typedef prototypes
+ if ($x =~ $typedef1 || $x =~ $typedef2) {
$return_type = $1;
$declaration_name = $2;
my $args = $3;