bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-def/src/nameres.rs')
-rw-r--r--crates/hir-def/src/nameres.rs11
1 files changed, 10 insertions, 1 deletions
diff --git a/crates/hir-def/src/nameres.rs b/crates/hir-def/src/nameres.rs
index 45f631936d..fc8444394c 100644
--- a/crates/hir-def/src/nameres.rs
+++ b/crates/hir-def/src/nameres.rs
@@ -64,7 +64,7 @@ use hir_expand::{name::Name, InFile, MacroCallId, MacroDefId};
use itertools::Itertools;
use la_arena::Arena;
use profile::Count;
-use rustc_hash::FxHashMap;
+use rustc_hash::{FxHashMap, FxHashSet};
use stdx::format_to;
use syntax::{ast, SmolStr};
@@ -114,6 +114,8 @@ pub struct DefMap {
registered_attrs: Vec<SmolStr>,
/// Custom tool modules registered with `#![register_tool]`.
registered_tools: Vec<SmolStr>,
+ /// Unstable features of Rust enabled with `#![feature(A, B)]`.
+ unstable_features: FxHashSet<SmolStr>,
edition: Edition,
recursion_limit: Option<u32>,
@@ -284,6 +286,7 @@ impl DefMap {
modules,
registered_attrs: Vec::new(),
registered_tools: Vec::new(),
+ unstable_features: FxHashSet::default(),
diagnostics: Vec::new(),
}
}
@@ -314,6 +317,10 @@ impl DefMap {
&self.registered_attrs
}
+ pub fn is_unstable_feature_enabled(&self, feature: &str) -> bool {
+ self.unstable_features.contains(feature)
+ }
+
pub fn root(&self) -> LocalModuleId {
self.root
}
@@ -483,6 +490,7 @@ impl DefMap {
registered_tools,
fn_proc_macro_mapping,
derive_helpers_in_scope,
+ unstable_features,
proc_macro_loading_error: _,
block: _,
edition: _,
@@ -500,6 +508,7 @@ impl DefMap {
registered_tools.shrink_to_fit();
fn_proc_macro_mapping.shrink_to_fit();
derive_helpers_in_scope.shrink_to_fit();
+ unstable_features.shrink_to_fit();
for (_, module) in modules.iter_mut() {
module.children.shrink_to_fit();
module.scope.shrink_to_fit();