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     if let Ok(lint_store) = reg.sess.lint_store.try_borrow() {
  16         for (lint, _, _) in lint_store.get_lint_groups() {
  17             if lint == "clippy" {
  18                 reg.sess
  19                     .struct_warn("running cargo clippy on a crate that also imports the clippy plugin")
  20                     .emit();
  21                 return;
  22             }
  23         }
  24     }
  25
  26     clippy_lints::register_plugins(reg);
  27 }
  28
  29 // only exists to let the dogfood integration test works.
  30 // Don't run clippy as an executable directly
  31 #[allow(dead_code)]
  32 fn main() {
  33     panic!("Please use the cargo-clippy executable");
  34 }