add item_post methods

Author: llogiq

src/librustc/lint/context.rs

@@ -758,6 +758,7 @@ impl<'a, 'tcx, 'v> hir_visit::Visitor<'v> for LateContext<'a, 'tcx> {
             run_lints!(cx, check_item, late_passes, it);
             cx.visit_ids(|v| v.visit_item(it));
             hir_visit::walk_item(cx, it);
+            run_lints!(cx, check_item_post, late_passes, it);
         })
     }
 
@@ -919,6 +920,7 @@ impl<'a, 'v> ast_visit::Visitor<'v> for EarlyContext<'a> {
             run_lints!(cx, check_item, early_passes, it);
             cx.visit_ids(|v| v.visit_item(it));
             ast_visit::walk_item(cx, it);
+            run_lints!(cx, check_item, early_passes, it);
         })
     }
 

src/librustc/lint/mod.rs

@@ -136,6 +136,7 @@ pub trait LateLintPass: LintPass {
     fn check_mod(&mut self, _: &LateContext, _: &hir::Mod, _: Span, _: ast::NodeId) { }
     fn check_foreign_item(&mut self, _: &LateContext, _: &hir::ForeignItem) { }
     fn check_item(&mut self, _: &LateContext, _: &hir::Item) { }
+    fn check_item_post(&mut self, _: &LateContext, _: &hir::Item) { }
     fn check_local(&mut self, _: &LateContext, _: &hir::Local) { }
     fn check_block(&mut self, _: &LateContext, _: &hir::Block) { }
     fn check_block_post(&mut self, _: &LateContext, _: &hir::Block) { }
@@ -180,6 +181,7 @@ pub trait EarlyLintPass: LintPass {
     fn check_mod(&mut self, _: &EarlyContext, _: &ast::Mod, _: Span, _: ast::NodeId) { }
     fn check_foreign_item(&mut self, _: &EarlyContext, _: &ast::ForeignItem) { }
     fn check_item(&mut self, _: &EarlyContext, _: &ast::Item) { }
+    fn check_item_post(&mut self, _: &EarlyContext, _: &ast::Item) { }
     fn check_local(&mut self, _: &EarlyContext, _: &ast::Local) { }
     fn check_block(&mut self, _: &EarlyContext, _: &ast::Block) { }
     fn check_block_post(&mut self, _: &EarlyContext, _: &ast::Block) { }