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[PATCH 28/29] scripts: kernel-doc: split typedef complex regex
From: |
Paolo Bonzini |
Subject: |
[PATCH 28/29] scripts: kernel-doc: split typedef complex regex |
Date: |
Tue, 17 Nov 2020 17:53:11 +0100 |
From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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>
---
scripts/kernel-doc | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 862b77686e..524fc626ed 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;
--
2.28.0
- [PATCH 19/29] scripts: kernel-doc: reimplement -nofunction argument, (continued)
- [PATCH 19/29] scripts: kernel-doc: reimplement -nofunction argument, Paolo Bonzini, 2020/11/17
- [PATCH 20/29] scripts: kernel-doc: fix typedef identification, Paolo Bonzini, 2020/11/17
- [PATCH 25/29] Revert "kernel-doc: Handle function typedefs without asterisks", Paolo Bonzini, 2020/11/17
- [PATCH 21/29] scripts: kernel-doc: don't mangle with parameter list, Paolo Bonzini, 2020/11/17
- [PATCH 22/29] scripts: kernel-doc: allow passing desired Sphinx C domain dialect, Paolo Bonzini, 2020/11/17
- [PATCH 23/29] scripts: kernel-doc: fix line number handling, Paolo Bonzini, 2020/11/17
- [PATCH 24/29] scripts: kernel-doc: try to use c:function if possible, Paolo Bonzini, 2020/11/17
- [PATCH 26/29] Revert "kernel-doc: Handle function typedefs that return pointers", Paolo Bonzini, 2020/11/17
- [PATCH 27/29] scripts: kernel-doc: fix typedef parsing, Paolo Bonzini, 2020/11/17
- [PATCH 29/29] scripts: kernel-doc: use :c:union when needed, Paolo Bonzini, 2020/11/17
- [PATCH 28/29] scripts: kernel-doc: split typedef complex regex,
Paolo Bonzini <=
- Re: [RFC PATCH 00/29] kernel-doc: update from Linux 5.10, Peter Maydell, 2020/11/30