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Add macros for known names and paths

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This commit is contained in:
Florian Diebold 2019-12-13 21:43:53 +01:00
parent 169fe4932f
commit 259c42f00e
16 changed files with 185 additions and 166 deletions
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26
crates/ra_hir_expand/src/builtin_derive.rs
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@ -12,10 +12,10 @@ use crate::db::AstDatabase;
use crate::{name, quote, MacroCallId, MacroDefId, MacroDefKind};
macro_rules! register_builtin {
( $(($name:ident, $kind: ident) => $expand:ident),* ) => {
( $($trait:ident => $expand:ident),* ) => {
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum BuiltinDeriveExpander {
$($kind),*
$($trait),*
}
impl BuiltinDeriveExpander {
@ -26,7 +26,7 @@ macro_rules! register_builtin {
tt: &tt::Subtree,
) -> Result<tt::Subtree, mbe::ExpandError> {
let expander = match *self {
$( BuiltinDeriveExpander::$kind => $expand, )*
$( BuiltinDeriveExpander::$trait => $expand, )*
};
expander(db, id, tt)
}
@ -34,7 +34,7 @@ macro_rules! register_builtin {
pub fn find_builtin_derive(ident: &name::Name) -> Option<MacroDefId> {
let kind = match ident {
$( id if id == &name::$name => BuiltinDeriveExpander::$kind, )*
$( id if id == &name::N![$trait] => BuiltinDeriveExpander::$trait, )*
_ => return None,
};
@ -44,15 +44,15 @@ macro_rules! register_builtin {
}
register_builtin! {
(COPY_TRAIT, Copy) => copy_expand,
(CLONE_TRAIT, Clone) => clone_expand,
(DEFAULT_TRAIT, Default) => default_expand,
(DEBUG_TRAIT, Debug) => debug_expand,
(HASH_TRAIT, Hash) => hash_expand,
(ORD_TRAIT, Ord) => ord_expand,
(PARTIAL_ORD_TRAIT, PartialOrd) => partial_ord_expand,
(EQ_TRAIT, Eq) => eq_expand,
(PARTIAL_EQ_TRAIT, PartialEq) => partial_eq_expand
Copy => copy_expand,
Clone => clone_expand,
Default => default_expand,
Debug => debug_expand,
Hash => hash_expand,
Ord => ord_expand,
PartialOrd => partial_ord_expand,
Eq => eq_expand,
PartialEq => partial_eq_expand
}
struct BasicAdtInfo {