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
   8 use rustc::lint::{LintArray, LintPass};
   9 use rustc::{declare_lint, declare_lint_pass, impl_lint_pass, lint_array};
  10
  11 declare_lint! {
  12     pub TEST_LINT,
  13     Allow,
  14     "test"
  15 }
  16
  17 struct Foo;
  18
  19 impl LintPass for Foo { //~ERROR implementing `LintPass` by hand
  20     fn get_lints(&self) -> LintArray {
  21         lint_array!(TEST_LINT)
  22     }
  23
  24     fn name(&self) -> &'static str {
  25         "Foo"
  26     }
  27 }
  28
  29 macro_rules! custom_lint_pass_macro {
  30     () => {
  31         struct Custom;
  32
  33         impl LintPass for Custom { //~ERROR implementing `LintPass` by hand
  34             fn get_lints(&self) -> LintArray {
  35                 lint_array!(TEST_LINT)
  36             }
  37
  38             fn name(&self) -> &'static str {
  39                 "Custom"
  40             }
  41         }
  42     };
  43 }
  44
  45 custom_lint_pass_macro!();
  46
  47 struct Bar;
  48
  49 impl_lint_pass!(Bar => [TEST_LINT]);
  50
  51 declare_lint_pass!(Baz => [TEST_LINT]);
  52
  53 fn main() {}