From dcb28fd061743ba141b3914501512b5eb352aa1b Mon Sep 17 00:00:00 2001
From: flywind <43030857+xflywind@users.noreply.github.com>
Date: Thu, 7 Jul 2022 20:14:05 +0800
Subject: cache rope when threads are enabled (#19981)

* cache rope

* add threadvar
---
 compiler/ropes.nim | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'compiler')

diff --git a/compiler/ropes.nim b/compiler/ropes.nim
index a44d84ddc..610159c75 100644
--- a/compiler/ropes.nim
+++ b/compiler/ropes.nim
@@ -86,13 +86,12 @@ proc newRope(data: string = ""): Rope =
   result.L = -data.len
   result.data = data
 
-when not compileOption("threads"):
-  var
-    cache: array[0..2048*2 - 1, Rope]
+var
+  cache {.threadvar.} : array[0..2048*2 - 1, Rope]
 
-  proc resetRopeCache* =
-    for i in low(cache)..high(cache):
-      cache[i] = nil
+proc resetRopeCache* =
+  for i in low(cache)..high(cache):
+    cache[i] = nil
 
 proc ropeInvariant(r: Rope): bool =
   if r == nil:
-- 
cgit 1.4.1-2-gfad0