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