• file
• revisions
• annotate
• diff
• comparison
• raw

src/jdk/nashorn/internal/ir/SplitReturn.java@19263eb2ff0c (annotated)

src/jdk/nashorn/internal/ir/SplitReturn.java

Fri, 05 Jun 2015 14:46:52 +0530

author

sundar

date

Fri, 05 Jun 2015 14:46:52 +0530

changeset 1397

19263eb2ff0c

parent 1064

03c06c337d9d

permissions

-rw-r--r--

8081809: Missing final modifier in method parameters (nashorn code convention)
Reviewed-by: attila, lagergren

attila@1064	1	/*
attila@1064	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
attila@1064	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@1064	4	*
attila@1064	5	* This code is free software; you can redistribute it and/or modify it
attila@1064	6	* under the terms of the GNU General Public License version 2 only, as
attila@1064	7	* published by the Free Software Foundation. Oracle designates this
attila@1064	8	* particular file as subject to the "Classpath" exception as provided
attila@1064	9	* by Oracle in the LICENSE file that accompanied this code.
attila@1064	10	*
attila@1064	11	* This code is distributed in the hope that it will be useful, but WITHOUT
attila@1064	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
attila@1064	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
attila@1064	14	* version 2 for more details (a copy is included in the LICENSE file that
attila@1064	15	* accompanied this code).
attila@1064	16	*
attila@1064	17	* You should have received a copy of the GNU General Public License version
attila@1064	18	* 2 along with this work; if not, write to the Free Software Foundation,
attila@1064	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@1064	20	*
attila@1064	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
attila@1064	22	* or visit www.oracle.com if you need additional information or have any
attila@1064	23	* questions.
attila@1064	24	*/
attila@1064	25
attila@1064	26	package jdk.nashorn.internal.ir;
attila@1064	27
attila@1064	28	import jdk.nashorn.internal.ir.visitor.NodeVisitor;
attila@1064	29
attila@1064	30	/**
attila@1064	31	* Synthetic AST node that represents return from a split fragment of a split function for control flow reasons (break
attila@1064	32	* or continue into a target outside the current fragment). It has no JavaScript source representation and only occurs
attila@1064	33	* in synthetic functions created by the split-into-functions transformation. It is different from a return node in
attila@1064	34	* that the return value is irrelevant, and doesn't affect the function's return type calculation.
attila@1064	35	*/
attila@1064	36	public final class SplitReturn extends Statement {
attila@1064	37	private static final long serialVersionUID = 1L;
attila@1064	38
attila@1064	39	/** The sole instance of this AST node. */
attila@1064	40	public static final SplitReturn INSTANCE = new SplitReturn();
attila@1064	41
attila@1064	42	private SplitReturn() {
attila@1064	43	super(NO_LINE_NUMBER, NO_TOKEN, NO_FINISH);
attila@1064	44	}
attila@1064	45
attila@1064	46	@Override
attila@1064	47	public boolean isTerminal() {
attila@1064	48	return true;
attila@1064	49	}
attila@1064	50
attila@1064	51	@Override
attila@1064	52	public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
attila@1064	53	return visitor.enterSplitReturn(this) ? visitor.leaveSplitReturn(this) : this;
attila@1064	54	}
attila@1064	55
attila@1064	56	@Override
sundar@1397	57	public void toString(final StringBuilder sb, final boolean printType) {
attila@1064	58	sb.append(":splitreturn;");
attila@1064	59	}
attila@1064	60
attila@1064	61	private Object readResolve() {
attila@1064	62	return INSTANCE;
attila@1064	63	}
attila@1064	64	}