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
   9 extern crate rustc_plugin;
  10 use rustc_plugin::Registry;
  11
  12 extern crate clippy_lints;
  13
  14 #[plugin_registrar]
  15 pub fn plugin_registrar(reg: &mut Registry) {
  16     reg.sess.lint_store.with_read_lock(|lint_store| {
  17         for (lint, _, _) in lint_store.get_lint_groups() {
  18             reg.sess
  19                 .struct_warn(
  20                     "the clippy plugin is being deprecated, please use cargo clippy or rls with the clippy feature",
  21                 )
  22                 .emit();
  23             if lint == "clippy" {
  24                 // cargo clippy run on a crate that also uses the plugin
  25                 return;
  26             }
  27         }
  28     });
  29
  30     clippy_lints::register_plugins(reg);
  31 }
  32
  33 // only exists to let the dogfood integration test works.
  34 // Don't run clippy as an executable directly
  35 #[allow(dead_code)]
  36 fn main() {
  37     panic!("Please use the cargo-clippy executable");
  38 }