8245153: Unicode encoded double-quoted empty string does not compile
Fixed parsing of Unicode encoded double-quoted empty strings in c.s.t.j.p.JavaTokenizer::scanString Reviewed-by: jlaskey
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4d10ebba12
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src/jdk.compiler/share/classes/com/sun/tools/javac/parser
test/langtools/tools/javac/8245153
@ -427,10 +427,8 @@ public class JavaTokenizer {
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case 1: // Starting a string literal.
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break;
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case 2: // Starting an empty string literal.
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// Start again but only consume one quote.
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reader.reset(pos);
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openCount = countChar('\"', 1);
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break;
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tk = Tokens.TokenKind.STRINGLITERAL;
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return;
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case 3: // Starting a text block.
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// Check if preview feature is enabled for text blocks.
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checkSourceLevel(pos, Feature.TEXT_BLOCKS);
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40
test/langtools/tools/javac/8245153/T8245153.java
Normal file
40
test/langtools/tools/javac/8245153/T8245153.java
Normal file
@ -0,0 +1,40 @@
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/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8245153
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* @summary Unicode encoded double-quoted empty string does not compile
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* @compile T8245153.java
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*/
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public class T8245153 {
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String s0 = "";
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String s1 = \u0022\u0022;
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String s2 = "\u0022;
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String s3 = \u0022";
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String s4 = \u0022\\u0022\u0022;
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}
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