From 3171bd5bf54fb91f7f7df7c40df5adc7d8bd5dea Mon Sep 17 00:00:00 2001
From: ibraheemdev <ibrah1440@gmail.com>
Date: Sun, 25 Jul 2021 17:10:51 -0400
Subject: [PATCH] ignore comments in tidy-filelength

---
 compiler/rustc_hir/src/hir.rs            | 1 -
 compiler/rustc_lint/src/builtin.rs       | 2 --
 compiler/rustc_lint_defs/src/builtin.rs  | 2 --
 compiler/rustc_middle/src/ty/layout.rs   | 1 -
 compiler/rustc_typeck/src/collect.rs     | 3 ---
 library/core/src/iter/traits/iterator.rs | 4 ----
 library/core/src/slice/iter.rs           | 1 -
 library/core/src/slice/mod.rs            | 2 --
 library/std/src/collections/hash/map.rs  | 2 --
 src/tools/tidy/src/style.rs              | 5 ++++-
 10 files changed, 4 insertions(+), 19 deletions(-)

diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
index 389d1e5899f70..0e9375a0e4d13 100644
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -1,4 +1,3 @@
-// ignore-tidy-filelength
 use crate::def::{CtorKind, DefKind, Res};
 use crate::def_id::{DefId, CRATE_DEF_ID};
 crate use crate::hir_id::{HirId, ItemLocalId};
diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index b3c64b76820f1..8394eaaa03f18 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -1,5 +1,3 @@
-// ignore-tidy-filelength
-
 //! Lints in the Rust compiler.
 //!
 //! This contains lints which can feasibly be implemented as their own
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
index 5b1cd0bcb3ffe..07074a6bac169 100644
--- a/compiler/rustc_lint_defs/src/builtin.rs
+++ b/compiler/rustc_lint_defs/src/builtin.rs
@@ -1,5 +1,3 @@
-// ignore-tidy-filelength
-
 //! Some lints that are built in to the compiler.
 //!
 //! These are the built-in lints that are emitted direct in the main
diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs
index 95ea38d32b695..1b7d10485e454 100644
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@@ -1,4 +1,3 @@
-// ignore-tidy-filelength
 use crate::ich::StableHashingContext;
 use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use crate::mir::{GeneratorLayout, GeneratorSavedLocal};
diff --git a/compiler/rustc_typeck/src/collect.rs b/compiler/rustc_typeck/src/collect.rs
index 46b3ec5cf40c7..9da3daf82f7c3 100644
--- a/compiler/rustc_typeck/src/collect.rs
+++ b/compiler/rustc_typeck/src/collect.rs
@@ -1,4 +1,3 @@
-// ignore-tidy-filelength
 //! "Collection" is the process of determining the type and other external
 //! details of each item in Rust. Collection is specifically concerned
 //! with *inter-procedural* things -- for example, for a function
@@ -15,8 +14,6 @@
 //! At present, however, we do run collection across all items in the
 //! crate as a kind of pass. This should eventually be factored away.
 
-// ignore-tidy-filelength
-
 use crate::astconv::{AstConv, SizedByDefault};
 use crate::bounds::Bounds;
 use crate::check::intrinsic::intrinsic_operation_unsafety;
diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs
index 16efd2f0eaff9..7fc49574de9ee 100644
--- a/library/core/src/iter/traits/iterator.rs
+++ b/library/core/src/iter/traits/iterator.rs
@@ -1,7 +1,3 @@
-// ignore-tidy-filelength
-// This file almost exclusively consists of the definition of `Iterator`. We
-// can't split that into multiple files.
-
 use crate::cmp::{self, Ordering};
 use crate::ops::{ControlFlow, Try};
 
diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs
index 5cbc6343e3a77..e7507dd85c1b2 100644
--- a/library/core/src/slice/iter.rs
+++ b/library/core/src/slice/iter.rs
@@ -1,4 +1,3 @@
-// ignore-tidy-filelength
 //! Definitions of a bunch of iterators for `[T]`.
 
 #[macro_use] // import iterator! and forward_iterator!
diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs
index de25c984abf90..19e1aeca916f6 100644
--- a/library/core/src/slice/mod.rs
+++ b/library/core/src/slice/mod.rs
@@ -1,5 +1,3 @@
-// ignore-tidy-filelength
-
 //! Slice management and manipulation.
 //!
 //! For more details see [`std::slice`].
diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs
index b102fd9d5bfdc..fe9dd571c3a23 100644
--- a/library/std/src/collections/hash/map.rs
+++ b/library/std/src/collections/hash/map.rs
@@ -1,5 +1,3 @@
-// ignore-tidy-filelength
-
 #[cfg(test)]
 mod tests;
 
diff --git a/src/tools/tidy/src/style.rs b/src/tools/tidy/src/style.rs
index 15ed2f7a0a975..d8d3dc3ddb1e5 100644
--- a/src/tools/tidy/src/style.rs
+++ b/src/tools/tidy/src/style.rs
@@ -344,7 +344,10 @@ pub fn check(path: &Path, bad: &mut bool) {
             } else {
                 trailing_new_lines = 0;
             }
-            lines = i;
+
+            if !line.trim().starts_with("//") {
+                lines += 1;
+            }
         }
         if leading_new_lines {
             tidy_error!(bad, "{}: leading newline", file.display());