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Diffstat (limited to 'crates/hir-def/src/nameres/collector.rs')
| -rw-r--r-- | crates/hir-def/src/nameres/collector.rs | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/crates/hir-def/src/nameres/collector.rs b/crates/hir-def/src/nameres/collector.rs index e09ef4f205..7f1d19719d 100644 --- a/crates/hir-def/src/nameres/collector.rs +++ b/crates/hir-def/src/nameres/collector.rs @@ -6,7 +6,7 @@ use std::{cmp::Ordering, iter, mem, ops::Not}; use base_db::{CrateId, CrateOrigin, Dependency, LangCrateOrigin}; -use cfg::{CfgExpr, CfgOptions}; +use cfg::{CfgAtom, CfgExpr, CfgOptions}; use either::Either; use hir_expand::{ attrs::{Attr, AttrId}, @@ -1324,13 +1324,21 @@ impl DefCollector<'_> { }; // Skip #[test]/#[bench] expansion, which would merely result in more memory usage - // due to duplicating functions into macro expansions + // due to duplicating functions into macro expansions, but only if `cfg(test)` is active, + // otherwise they are expanded to nothing and this can impact e.g. diagnostics (due to things + // being cfg'ed out). + // Ideally we will just expand them to nothing here. But we are only collecting macro calls, + // not expanding them, so we have no way to do that. if matches!( def.kind, MacroDefKind::BuiltInAttr(_, expander) if expander.is_test() || expander.is_bench() ) { - return recollect_without(self); + let test_is_active = + self.cfg_options.check_atom(&CfgAtom::Flag(sym::test.clone())); + if test_is_active { + return recollect_without(self); + } } let call_id = || { |