From 2d145b2ef5ab528434899d7b63c51a4bda1f7be9 Mon Sep 17 00:00:00 2001
From: Oliver Schneider <git-spam-no-reply9815368754983@oli-obk.de>
Date: Mon, 13 Mar 2017 11:09:56 +0100
Subject: [PATCH] don't lint macro_rules! in items_after_statements

---
 clippy_lints/src/items_after_statements.rs |  4 ++++
 tests/ui/item_after_statement.rs           | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/clippy_lints/src/items_after_statements.rs b/clippy_lints/src/items_after_statements.rs
index 3b3cd4237..5789f6a5f 100644
--- a/clippy_lints/src/items_after_statements.rs
+++ b/clippy_lints/src/items_after_statements.rs
@@ -58,6 +58,10 @@ impl EarlyLintPass for ItemsAfterStatements {
                 if in_macro(cx, it.span) {
                     return;
                 }
+                if let ItemKind::MacroDef(..) = it.node {
+                    // do not lint `macro_rules`, but continue processing further statements
+                    continue;
+                }
                 span_lint(cx,
                           ITEMS_AFTER_STATEMENTS,
                           it.span,
diff --git a/tests/ui/item_after_statement.rs b/tests/ui/item_after_statement.rs
index 09b509673..5ba94383c 100644
--- a/tests/ui/item_after_statement.rs
+++ b/tests/ui/item_after_statement.rs
@@ -17,3 +17,14 @@ fn main() {
     fn foo() { println!("foo"); }
     foo();
 }
+
+fn mac() {
+    let mut a = 5;
+    println!("{}", a);
+    // do not lint this, because it needs to be after `a`
+    macro_rules! b {
+        () => {{ a = 6 }}
+    }
+    b!();
+    println!("{}", a);
+}