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