Mon, 27 Apr 2015 12:27:33 +0200
8066407: Function with same body not reparsed after SyntaxError
Reviewed-by: attila, lagergren
src/jdk/nashorn/internal/runtime/regexp/RegExpFactory.java | file | annotate | diff | comparison | revisions | |
test/script/basic/JDK-8066407.js | file | annotate | diff | comparison | revisions |
1.1 --- a/src/jdk/nashorn/internal/runtime/regexp/RegExpFactory.java Thu Apr 23 16:05:40 2015 -0700 1.2 +++ b/src/jdk/nashorn/internal/runtime/regexp/RegExpFactory.java Mon Apr 27 12:27:33 2015 +0200 1.3 @@ -26,7 +26,7 @@ 1.4 package jdk.nashorn.internal.runtime.regexp; 1.5 1.6 import java.util.Collections; 1.7 -import java.util.Set; 1.8 +import java.util.Map; 1.9 import java.util.WeakHashMap; 1.10 import jdk.nashorn.internal.runtime.ParserException; 1.11 import jdk.nashorn.internal.runtime.options.Options; 1.12 @@ -45,11 +45,10 @@ 1.13 /** Weak cache of already validated regexps - when reparsing, we don't, for example 1.14 * need to recompile (reverify) all regexps that have previously been parsed by this 1.15 * RegExpFactory in a previous compilation. This saves significant time in e.g. avatar 1.16 - * startup */ 1.17 - private static final Set<String> VALID_CACHE_SET = 1.18 - Collections.newSetFromMap( 1.19 - Collections.synchronizedMap( 1.20 - new WeakHashMap<String, Boolean>())); 1.21 + * startup 1.22 + */ 1.23 + private static final Map<String, RegExp> REGEXP_CACHE = 1.24 + Collections.synchronizedMap(new WeakHashMap<String, RegExp>()); 1.25 1.26 static { 1.27 final String impl = Options.getStringProperty("nashorn.regexp.impl", JONI); 1.28 @@ -87,7 +86,13 @@ 1.29 * @throws ParserException if invalid source or flags 1.30 */ 1.31 public static RegExp create(final String pattern, final String flags) { 1.32 - return instance.compile(pattern, flags); 1.33 + final String key = pattern + "/" + flags; 1.34 + RegExp regexp = REGEXP_CACHE.get(key); 1.35 + if (regexp == null) { 1.36 + regexp = instance.compile(pattern, flags); 1.37 + REGEXP_CACHE.put(key, regexp); 1.38 + } 1.39 + return regexp; 1.40 } 1.41 1.42 /** 1.43 @@ -98,11 +103,8 @@ 1.44 * 1.45 * @throws ParserException if invalid source or flags 1.46 */ 1.47 - // @SuppressWarnings({"unused"}) 1.48 public static void validate(final String pattern, final String flags) throws ParserException { 1.49 - if (VALID_CACHE_SET.add(pattern + flags)) { 1.50 - instance.compile(pattern, flags); 1.51 - } 1.52 + create(pattern, flags); 1.53 } 1.54 1.55 /**
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/test/script/basic/JDK-8066407.js Mon Apr 27 12:27:33 2015 +0200 2.3 @@ -0,0 +1,48 @@ 2.4 +/* 2.5 + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 2.7 + * 2.8 + * This code is free software; you can redistribute it and/or modify it 2.9 + * under the terms of the GNU General Public License version 2 only, as 2.10 + * published by the Free Software Foundation. 2.11 + * 2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 2.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 2.15 + * version 2 for more details (a copy is included in the LICENSE file that 2.16 + * accompanied this code). 2.17 + * 2.18 + * You should have received a copy of the GNU General Public License version 2.19 + * 2 along with this work; if not, write to the Free Software Foundation, 2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2.21 + * 2.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2.23 + * or visit www.oracle.com if you need additional information or have any 2.24 + * questions. 2.25 + */ 2.26 + 2.27 +/** 2.28 + * JDK-8066407: Function with same body not reparsed after SyntaxError 2.29 + * 2.30 + * @test 2.31 + * @run 2.32 + */ 2.33 + 2.34 +function testFunction(body) { 2.35 + try { 2.36 + Function(body); 2.37 + Assert.fail("Should have thrown"); 2.38 + } catch (e) { 2.39 + Assert.assertEquals(e.name, "SyntaxError"); 2.40 + count++; 2.41 + } 2.42 + 2.43 +} 2.44 + 2.45 +var count = 0; 2.46 + 2.47 +testFunction("/a/r"); 2.48 +testFunction("/a/r"); 2.49 +testFunction("/a/r"); 2.50 + 2.51 +Assert.assertTrue(count === 3);