8048805: Request to investigate and update lexer error recovery in javac

8046620: Further investigation needed for few error messages for negative unicode tests in langtools regression ws
8048803: javac should report complete character code in the error messages

Improving error reporting and recovery in the lexer

Co-authored-by: Sonali Goel <sonali.goel@oracle.com>
Reviewed-by: jjg, mcimadamore
This commit is contained in:
Jan Lahoda 2014-07-14 12:02:58 +02:00
parent 47692bbf7e
commit eb1f1c05ed
15 changed files with 84 additions and 107 deletions

View file

@ -1,35 +1,12 @@
/*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4914724
* @test /nodynamiccopyright/
* @bug 4914724 8048803
* @summary Ensure that a supplementary character that cannot be the start of a Java
* identifier causes a compilation failure, if it is used as the start of an
* identifier
* @author Naoto Sato
*
* @compile/fail SupplementaryJavaID4.java
* @compile/fail/ref=SupplementaryJavaID4.out -XDrawDiagnostics SupplementaryJavaID4.java
*/
public class SupplementaryJavaID4 {