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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/FrameUtil.java @ 11638:269e6794e1ec

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Truffle: Frame restructuring.
author Andreas Woess <andreas.woess@jku.at>
date Sun, 15 Sep 2013 02:39:07 +0200
parents 51dcddfa25a6
children 139b84d713bc
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1 /*
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2 * Copyright (c) 2013, 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. Oracle designates this
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25 package com.oracle.truffle.api.frame;
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26
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27 public final class FrameUtil {
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28
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29 /**
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30 * Write access to a local variable of type {@link Object}.
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31 *
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32 * Sets the frame slot type to {@link Object} if it isn't already.
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33 *
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34 * @param slot the slot of the local variable
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35 * @param value the new value of the local variable
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36 */
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37 public static void setObjectSafe(Frame frame, FrameSlot slot, Object value) {
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38 frame.setObject(slot, value);
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39 }
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40
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41 /**
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42 * Write access to a local variable of type {@code byte}.
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43 *
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44 * Sets the frame slot type to {@code byte} if it isn't already.
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45 *
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46 * @param slot the slot of the local variable
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47 * @param value the new value of the local variable
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48 */
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49 public static void setByteSafe(Frame frame, FrameSlot slot, byte value) {
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50 if (slot.getKind() != FrameSlotKind.Byte) {
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51 slot.setKind(FrameSlotKind.Byte);
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52 }
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53 try {
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54 frame.setByte(slot, value);
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55 } catch (FrameSlotTypeException e) {
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56 throw new IllegalStateException();
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57 }
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58 }
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59
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60 /**
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61 * Write access to a local variable of type {@code boolean}.
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62 *
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63 * Sets the frame slot type to {@code boolean} if it isn't already.
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64 *
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65 * @param slot the slot of the local variable
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66 * @param value the new value of the local variable
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67 */
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68 public static void setBooleanSafe(Frame frame, FrameSlot slot, boolean value) {
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69 if (slot.getKind() != FrameSlotKind.Boolean) {
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70 slot.setKind(FrameSlotKind.Boolean);
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71 }
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72 try {
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73 frame.setBoolean(slot, value);
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74 } catch (FrameSlotTypeException e) {
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75 throw new IllegalStateException();
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76 }
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77 }
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78
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79 /**
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80 * Write access to a local variable of type {@code int}.
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81 *
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82 * Sets the frame slot type to {@code int} if it isn't already.
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83 *
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84 * @param slot the slot of the local variable
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85 * @param value the new value of the local variable
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86 */
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87 public static void setIntSafe(Frame frame, FrameSlot slot, int value) {
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88 if (slot.getKind() != FrameSlotKind.Int) {
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89 slot.setKind(FrameSlotKind.Int);
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90 }
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91 try {
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92 frame.setInt(slot, value);
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93 } catch (FrameSlotTypeException e) {
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94 throw new IllegalStateException();
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95 }
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96 }
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97
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98 /**
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99 * Write access to a local variable of type {@code long}.
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100 *
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101 * Sets the frame slot type to {@code long} if it isn't already.
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102 *
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103 * @param slot the slot of the local variable
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104 * @param value the new value of the local variable
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105 */
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106 public static void setLongSafe(Frame frame, FrameSlot slot, long value) {
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107 if (slot.getKind() != FrameSlotKind.Long) {
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108 slot.setKind(FrameSlotKind.Long);
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109 }
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110 try {
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111 frame.setLong(slot, value);
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112 } catch (FrameSlotTypeException e) {
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113 throw new IllegalStateException();
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114 }
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115 }
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116
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117 /**
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118 * Write access to a local variable of type {@code float}.
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119 *
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120 * Sets the frame slot type to {@code float} if it isn't already.
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121 *
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122 * @param slot the slot of the local variable
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123 * @param value the new value of the local variable
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124 */
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125 public static void setFloatSafe(Frame frame, FrameSlot slot, float value) {
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126 if (slot.getKind() != FrameSlotKind.Float) {
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127 slot.setKind(FrameSlotKind.Float);
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128 }
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129 try {
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130 frame.setFloat(slot, value);
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131 } catch (FrameSlotTypeException e) {
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132 throw new IllegalStateException();
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133 }
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134 }
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135
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136 /**
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137 * Write access to a local variable of type {@code double}.
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138 *
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139 * Sets the frame slot type to {@code double} if it isn't already.
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140 *
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141 * @param slot the slot of the local variable
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142 * @param value the new value of the local variable
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143 */
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144 public static void setDoubleSafe(Frame frame, FrameSlot slot, double value) {
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145 if (slot.getKind() != FrameSlotKind.Double) {
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146 slot.setKind(FrameSlotKind.Double);
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147 }
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148 try {
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149 frame.setDouble(slot, value);
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150 } catch (FrameSlotTypeException e) {
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151 throw new IllegalStateException();
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152 }
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153 }
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154 }