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Expand procedural attribute macros

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This commit is contained in:
Jonas Schievink 2021-05-31 13:37:11 +02:00
parent 7f9c4a59d9
commit e5a2c6596d
7 changed files with 159 additions and 14 deletions
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16
crates/hir/src/lib.rs
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@ -534,6 +534,18 @@ impl Module {
Some(derive_name.clone()),
)
}
MacroCallKind::Attr { ast_id, invoc_attr_index, attr_name, .. } => {
let node = ast_id.to_node(db.upcast());
let attr =
node.attrs().nth((*invoc_attr_index) as usize).unwrap_or_else(
|| panic!("cannot find attribute #{}", invoc_attr_index),
);
(
ast_id.file_id,
SyntaxNodePtr::from(AstPtr::new(&attr)),
Some(attr_name.clone()),
)
}
};
sink.push(UnresolvedProcMacro {
file,
@ -558,7 +570,9 @@ impl Module {
let node = ast_id.to_node(db.upcast());
(ast_id.file_id, SyntaxNodePtr::from(AstPtr::new(&node)))
}
MacroCallKind::Derive { ast_id, .. } => {
MacroCallKind::Derive { ast_id, .. }
| MacroCallKind::Attr { ast_id, .. } => {
// FIXME: point to the attribute instead, this creates very large diagnostics
let node = ast_id.to_node(db.upcast());
(ast_id.file_id, SyntaxNodePtr::from(AstPtr::new(&node)))
}