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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/SimpleInfopointNode.java @ 19403:61d3cb8e1280

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Add generic parameter to NodeClass. Change Graph#getNodes(Class) to Graph#getNodes(NodeClass).
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Mon, 16 Feb 2015 17:47:43 +0100
parents 7e2c87dae93e
children 8fc336a04d77
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1 /*
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2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.nodes;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.graph.*;
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27 import com.oracle.graal.graph.spi.*;
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28 import com.oracle.graal.nodeinfo.*;
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29 import com.oracle.graal.nodes.spi.*;
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30
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31 @NodeInfo
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32 public final class SimpleInfopointNode extends InfopointNode implements LIRLowerable, IterableNodeType, Simplifiable {
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33 public static final NodeClass<SimpleInfopointNode> TYPE = NodeClass.get(SimpleInfopointNode.class);
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34 protected BytecodePosition position;
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35
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36 public SimpleInfopointNode(InfopointReason reason, BytecodePosition position) {
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37 super(TYPE, reason);
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38 this.position = position;
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39 }
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41 @Override
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42 public void generate(NodeLIRBuilderTool generator) {
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43 generator.visitSimpleInfopointNode(this);
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44 }
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46 public BytecodePosition getPosition() {
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47 return position;
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48 }
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50 public void addCaller(BytecodePosition caller) {
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51 this.position = relink(this.position, caller);
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52 }
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54 private static BytecodePosition relink(BytecodePosition position, BytecodePosition link) {
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55 if (position.getCaller() == null) {
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56 return new BytecodePosition(link, position.getMethod(), position.getBCI());
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57 } else {
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58 return new BytecodePosition(relink(position.getCaller(), link), position.getMethod(), position.getBCI());
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59 }
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60 }
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61
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62 @Override
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63 public void simplify(SimplifierTool tool) {
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64 if (next() instanceof SimpleInfopointNode) {
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65 graph().removeFixed(this);
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66 }
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67 }
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68 }