From 9bf46cf435c51442e48bf414d5c5c42642195d31 Mon Sep 17 00:00:00 2001
From: Ilya Chernikov <ilya.chernikov@jetbrains.com>
Date: Fri, 11 Oct 2019 08:13:05 +0200
Subject: [PATCH] Fix filename pattern building under Windows

---
 .../kotlin/script/experimental/jvm/util/jvmClassLoaderUtil.kt   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/scripting/jvm/src/kotlin/script/experimental/jvm/util/jvmClassLoaderUtil.kt b/libraries/scripting/jvm/src/kotlin/script/experimental/jvm/util/jvmClassLoaderUtil.kt
index 129ea060a0b..92abbdb9a68 100644
--- a/libraries/scripting/jvm/src/kotlin/script/experimental/jvm/util/jvmClassLoaderUtil.kt
+++ b/libraries/scripting/jvm/src/kotlin/script/experimental/jvm/util/jvmClassLoaderUtil.kt
@@ -55,7 +55,7 @@ fun ClassLoader.forAllMatchingFiles(namePattern: String, body: (String, InputStr
 internal val wildcardChars = "*?".toCharArray()
 internal val patternCharsToEscape = ".*?+()[]^\${}|".toCharArray().also { assert(wildcardChars.all { wc -> it.contains(wc) }) }
 
-private fun Char.escape(): String = (if (patternCharsToEscape.contains(this)) "\\" else "") + this
+private fun Char.escape(): String = (if (this == '\\' || patternCharsToEscape.contains(this)) "\\" else "") + this
 
 internal val pathSeparatorChars = "/".let { if (File.separatorChar == '/') it else it + File.separator }.toCharArray()
 internal val pathElementPattern = if (File.separatorChar == '/') "[^/]*" else "[^/${File.separatorChar.escape()}]*"