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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.nodes.methods.locals;
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11
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12 import com.oracle.truffle.api.*;
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13 import com.oracle.truffle.api.dsl.*;
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14 import com.oracle.truffle.api.frame.*;
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15 import com.oracle.truffle.ruby.nodes.*;
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16 import com.oracle.truffle.ruby.runtime.*;
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17
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18 @NodeChild(value = "rhs", type = RubyNode.class)
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19 public abstract class WriteLevelVariableNode extends FrameSlotNode implements WriteNode {
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20
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21 private final int varLevel;
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22
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23 public WriteLevelVariableNode(RubyContext context, SourceSection sourceSection, FrameSlot frameSlot, int level) {
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24 super(context, sourceSection, frameSlot);
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25 this.varLevel = level;
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26 }
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27
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28 protected WriteLevelVariableNode(WriteLevelVariableNode prev) {
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29 this(prev.getContext(), prev.getSourceSection(), prev.frameSlot, prev.varLevel);
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30 }
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31
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32 @Specialization(guards = "isBooleanKind")
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33 public boolean doBoolean(VirtualFrame frame, boolean value) {
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34 MaterializedFrame levelFrame = RubyArguments.getDeclarationFrame(frame, varLevel);
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35 setBoolean(levelFrame, value);
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36 return value;
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37 }
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38
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39 @Specialization(guards = "isFixnumKind")
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40 public int doFixnum(VirtualFrame frame, int value) {
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41 MaterializedFrame levelFrame = RubyArguments.getDeclarationFrame(frame, varLevel);
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42 setFixnum(levelFrame, value);
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43 return value;
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44 }
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45
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46 @Specialization(guards = "isFloatKind")
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47 public double doFloat(VirtualFrame frame, double value) {
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48 MaterializedFrame levelFrame = RubyArguments.getDeclarationFrame(frame, varLevel);
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49 setFloat(levelFrame, value);
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50 return value;
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51 }
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52
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53 @Specialization(guards = "isObjectKind")
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54 public Object doObject(VirtualFrame frame, Object value) {
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55 MaterializedFrame levelFrame = RubyArguments.getDeclarationFrame(frame, varLevel);
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56 setObject(levelFrame, value);
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57 return value;
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58 }
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59
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60 @Override
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61 public RubyNode makeReadNode() {
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62 return ReadLevelVariableNodeFactory.create(getContext(), getSourceSection(), frameSlot, varLevel);
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63 }
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64 }
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