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Add meta support to macros.

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This commit is contained in:
Emmanuel Gil Peyrot 2017-10-31 18:37:32 +00:00
parent 929bd577f3
commit 61badccf8b
1 changed files with 7 additions and 8 deletions
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15
src/lib.rs
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@ -174,11 +174,8 @@ macro_rules! check_no_unknown_attributes {
}
macro_rules! generate_empty_element {
($elem:ident, $name:tt, $ns:expr) => (
// TODO: Find a better way to concatenate doc.
#[doc="Structure representing a "]
#[doc=$name]
#[doc=" element."]
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:expr) => (
$(#[$meta])*
#[derive(Debug, Clone)]
pub struct $elem;
@ -204,13 +201,15 @@ macro_rules! generate_empty_element {
}
macro_rules! generate_element_with_only_attributes {
($elem:ident, $name:tt, $ns:expr, [$($attr:ident: $attr_type:ty = $attr_name:tt => $attr_action:tt),+,]) => (
generate_element_with_only_attributes!($elem, $name, $ns, [$($attr: $attr_type = $attr_name => $attr_action),*]);
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:expr, [$($(#[$attr_meta:meta])* $attr:ident: $attr_type:ty = $attr_name:tt => $attr_action:tt),+,]) => (
generate_element_with_only_attributes!($(#[$meta])* $elem, $name, $ns, [$($(#[$attr_meta])* $attr: $attr_type = $attr_name => $attr_action),*]);
);
($elem:ident, $name:tt, $ns:expr, [$($attr:ident: $attr_type:ty = $attr_name:tt => $attr_action:tt),+]) => (
($(#[$meta:meta])* $elem:ident, $name:tt, $ns:expr, [$($(#[$attr_meta:meta])* $attr:ident: $attr_type:ty = $attr_name:tt => $attr_action:tt),+]) => (
$(#[$meta])*
#[derive(Debug, Clone)]
pub struct $elem {
$(
$(#[$attr_meta])*
pub $attr: $attr_type
),*
}