Merge #8753

8753: internal: expose cfg attrs from hir::Crate r=matklad a=matklad

bors r+
🤖

Co-authored-by: Aleksey Kladov <[email protected]>

Author: bors[bot]

Cargo.lock

@@ -13,7 +13,7 @@ use tt::SmolStr;
 pub use cfg_expr::{CfgAtom, CfgExpr};
 pub use dnf::DnfExpr;
 
-/// Configuration options used for conditional compilition on items with `cfg` attributes.
+/// Configuration options used for conditional compilation on items with `cfg` attributes.
 /// We have two kind of options in different namespaces: atomic options like `unix`, and
 /// key-value options like `target_arch="x86"`.
 ///

crates/cfg/src/lib.rs

@@ -25,3 +25,4 @@ hir_expand = { path = "../hir_expand", version = "0.0.0" }
 hir_def = { path = "../hir_def", version = "0.0.0" }
 hir_ty = { path = "../hir_ty", version = "0.0.0" }
 tt = { path = "../tt", version = "0.0.0" }
+cfg = { path = "../cfg", version = "0.0.0" }

crates/hir/Cargo.toml

@@ -89,6 +89,7 @@ pub use crate::{
 // Generally, a refactoring which *removes* a name from this list is a good
 // idea!
 pub use {
+    cfg::{CfgAtom, CfgExpr, CfgOptions},
     hir_def::{
         adt::StructKind,
         attr::{Attr, Attrs, AttrsWithOwner, Documentation},
@@ -215,6 +216,10 @@ impl Crate {
 
         doc_url.map(|s| s.trim_matches('"').trim_end_matches('/').to_owned() + "/")
     }
+
+    pub fn cfg(&self, db: &dyn HirDatabase) -> CfgOptions {
+        db.crate_graph()[self.id].cfg_options.clone()
+    }
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]