src/lib.rs

   1 // error-pattern:cargo-clippy
   2 #![feature(plugin_registrar)]
   3 #![feature(rust_2018_preview)]
   4 #![feature(rustc_private)]
   5 #![feature(macro_vis_matcher)]
   6 #![allow(unknown_lints)]
   7 #![allow(missing_docs_in_private_items)]
   8 #![warn(rust_2018_idioms)]
   9
  10 use rustc_plugin::Registry;
  11
  12 #[plugin_registrar]
  13 pub fn plugin_registrar(reg: &mut Registry) {
  14     reg.sess.lint_store.with_read_lock(|lint_store| {
  15         for (lint, _, _) in lint_store.get_lint_groups() {
  16             reg.sess
  17                 .struct_warn(
  18                     "the clippy plugin is being deprecated, please use cargo clippy or rls with the clippy feature",
  19                 )
  20                 .emit();
  21             if lint == "clippy" {
  22                 // cargo clippy run on a crate that also uses the plugin
  23                 return;
  24             }
  25         }
  26     });
  27
  28     clippy_lints::register_plugins(reg);
  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 }