src/test/ui-fulldeps/internal-lints/lint_pass_impl_without_macro.rs

   1 // compile-flags: -Z unstable-options
   2
   3 #![feature(rustc_private)]
   4 #![deny(rustc::lint_pass_impl_without_macro)]
   5
   6 extern crate rustc_middle;
   7 extern crate rustc_session;
   8
   9 use rustc_session::lint::{LintArray, LintPass};
  10 use rustc_session::{declare_lint, declare_lint_pass, impl_lint_pass};
  11
  12 declare_lint! {
  13     pub TEST_LINT,
  14     Allow,
  15     "test"
  16 }
  17
  18 struct Foo;
  19
  20 impl LintPass for Foo { //~ERROR implementing `LintPass` by hand
  21     fn name(&self) -> &'static str {
  22         "Foo"
  23     }
  24 }
  25
  26 macro_rules! custom_lint_pass_macro {
  27     () => {
  28         struct Custom;
  29
  30         impl LintPass for Custom { //~ERROR implementing `LintPass` by hand
  31             fn name(&self) -> &'static str {
  32                 "Custom"
  33             }
  34         }
  35     };
  36 }
  37
  38 custom_lint_pass_macro!();
  39
  40 struct Bar;
  41
  42 impl_lint_pass!(Bar => [TEST_LINT]);
  43
  44 declare_lint_pass!(Baz => [TEST_LINT]);
  45
  46 fn main() {}