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minor: Simplify

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This commit is contained in:
Lukas Wirth 2022-05-20 16:42:28 +02:00
parent f5229cebb2
commit 88e297e47d
6 changed files with 20 additions and 25 deletions
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10
crates/hir-expand/src/builtin_derive_macro.rs
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@ -1,5 +1,6 @@
//! Builtin derives.
use base_db::{CrateOrigin, LangCrateOrigin};
use tracing::debug;
use syntax::{
@ -160,14 +161,11 @@ fn find_builtin_crate(db: &dyn AstDatabase, id: MacroCallId) -> tt::TokenTree {
let cg = db.crate_graph();
let krate = db.lookup_intern_macro_call(id).krate;
// XXX
// All crates except core itself should have a dependency on core,
// We detect `core` by seeing whether it doesn't have such a dependency.
let tt = if cg[krate].dependencies.iter().any(|dep| &*dep.name == "core") {
quote! { core }
} else {
let tt = if matches!(cg[krate].origin, CrateOrigin::Lang(LangCrateOrigin::Core)) {
cov_mark::hit!(test_copy_expand_in_core);
quote! { crate }
} else {
quote! { core }
};
tt.token_trees[0].clone()