mv compiler to compiler/

compiler/rustc_plugin_impl/src/lib.rs

@@ -0,0 +1,25 @@
+//! Infrastructure for compiler plugins.
+//!
+//! Plugins are a deprecated way to extend the behavior of `rustc` in various ways.
+//!
+//! See the [`plugin`
+//! feature](https://doc.rust-lang.org/nightly/unstable-book/language-features/plugin.html)
+//! of the Unstable Book for some examples.
+
+#![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
+#![feature(nll)]
+#![recursion_limit = "256"]
+
+use rustc_lint::LintStore;
+
+pub mod build;
+pub mod load;
+
+/// Structure used to register plugins.
+///
+/// A plugin registrar function takes an `&mut Registry` and should call
+/// methods to register its plugins.
+pub struct Registry<'a> {
+    /// The `LintStore` allows plugins to register new lints.
+    pub lint_store: &'a mut LintStore,
+}