[pbs-devel] [PATCH proxmox] simplify const_regex macro
Wolfgang Bumiller
w.bumiller at proxmox.com
Tue May 4 14:50:56 CEST 2021
The :vis macro matcher has been stable for a long time now.
Let's use it, and replace the recursion with a plus pattern.
Signed-off-by: Wolfgang Bumiller <w.bumiller at proxmox.com>
---
proxmox/src/api/const_regex.rs | 24 ++++++------------------
1 file changed, 6 insertions(+), 18 deletions(-)
diff --git a/proxmox/src/api/const_regex.rs b/proxmox/src/api/const_regex.rs
index 68a4c0a..f3f16b6 100644
--- a/proxmox/src/api/const_regex.rs
+++ b/proxmox/src/api/const_regex.rs
@@ -39,21 +39,11 @@ impl std::ops::Deref for ConstRegexPattern {
/// ```
#[macro_export]
macro_rules! const_regex {
- () => {};
- ($(#[$attr:meta])* pub ($($vis:tt)+) $name:ident = $regex:expr; $($rest:tt)*) => {
- $crate::const_regex! { (pub ($($vis)+)) $(#[$attr])* $name = $regex; $($rest)* }
- };
- ($(#[$attr:meta])* pub $name:ident = $regex:expr; $($rest:tt)*) => {
- $crate::const_regex! { (pub) $(#[$attr])* $name = $regex; $($rest)* }
- };
- ($(#[$attr:meta])* $name:ident = $regex:expr; $($rest:tt)*) => {
- $crate::const_regex! { () $(#[$attr])* $name = $regex; $($rest)* }
- };
- (
- ($($pub:tt)*) $(#[$attr:meta])* $name:ident = $regex:expr;
- $($rest:tt)*
- ) => {
- $(#[$attr])* $($pub)* const $name: $crate::api::const_regex::ConstRegexPattern =
+ ($(
+ $(#[$attr:meta])*
+ $vis:vis $name:ident = $regex:expr;
+ )+) => { $(
+ $(#[$attr])* $vis const $name: $crate::api::const_regex::ConstRegexPattern =
$crate::api::const_regex::ConstRegexPattern {
regex_string: $regex,
regex_obj: (|| -> &'static ::regex::Regex {
@@ -63,9 +53,7 @@ macro_rules! const_regex {
&SCHEMA
})
};
-
- $crate::const_regex! { $($rest)* }
- };
+ )+ };
}
#[cfg(feature = "test-harness")]
--
2.20.1
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