Inline toolchain_info module

src/tools/rust-analyzer/crates/project-model/src/lib.rs

@@ -16,7 +16,24 @@
 //! * Lowering of concrete model to a [`base_db::CrateGraph`]
 
 pub mod project_json;
-pub mod toolchain_info;
+pub mod toolchain_info {
+    pub mod rustc_cfg;
+    pub mod target_data_layout;
+    pub mod target_triple;
+
+    use std::path::Path;
+
+    use crate::{ManifestPath, Sysroot};
+
+    #[derive(Copy, Clone)]
+    pub enum QueryConfig<'a> {
+        /// Directly invoke `rustc` to query the desired information.
+        Rustc(&'a Sysroot, &'a Path),
+        /// Attempt to use cargo to query the desired information, honoring cargo configurations.
+        /// If this fails, falls back to invoking `rustc` directly.
+        Cargo(&'a Sysroot, &'a ManifestPath),
+    }
+}
 
 mod build_dependencies;
 mod cargo_workspace;

src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_triple.rs

@@ -1,3 +1,4 @@
+//! Functionality to discover the current build target(s).
 use std::path::Path;
 
 use anyhow::Context;