src/lib.rs

   1 // error-pattern:cargo-clippy
   2 #![feature(plugin_registrar)]
   3 #![feature(rustc_private)]
   4 #![feature(macro_vis_matcher)]
   5 #![allow(unknown_lints)]
   6 #![allow(missing_docs_in_private_items)]
   7 #![warn(rust_2018_idioms)]
   8
   9 use rustc_plugin::Registry;
  10
  11 #[plugin_registrar]
  12 pub fn plugin_registrar(reg: &mut Registry<'_>) {
  13     reg.sess.lint_store.with_read_lock(|lint_store| {
  14         for (lint, _, _) in lint_store.get_lint_groups() {
  15             reg.sess
  16                 .struct_warn(
  17                     "the clippy plugin is being deprecated, please use cargo clippy or rls with the clippy feature",
  18                 )
  19                 .emit();
  20             if lint == "clippy" {
  21                 // cargo clippy run on a crate that also uses the plugin
  22                 return;
  23             }
  24         }
  25     });
  26
  27     let conf = clippy_lints::read_conf(reg);
  28     clippy_lints::register_plugins(reg, &conf);
  29 }
  30
  31 // only exists to let the dogfood integration test works.
  32 // Don't run clippy as an executable directly
  33 #[allow(dead_code)]
  34 fn main() {
  35     panic!("Please use the cargo-clippy executable");
  36 }