Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/FieldType.java @ 20456:64156d22e49d
8032247: SA: Constantpool lookup for invokedynamic is not implemented
Summary: implement constant pool lookup for invokedynamic
Reviewed-by: sla, sspitsyn
| author | dsamersoff |
|---|---|
| date | Thu, 11 Sep 2014 11:55:30 -0700 |
| parents | f6f3bb0ee072 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 3939 | 2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.oops; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import sun.jvm.hotspot.runtime.BasicType; | |
| 29 import sun.jvm.hotspot.utilities.*; | |
| 30 | |
| 31 public class FieldType { | |
| 32 | |
| 33 private Symbol signature; | |
| 34 private char first; | |
| 35 | |
| 36 public FieldType(Symbol signature) { | |
| 37 this.signature = signature; | |
| 38 this.first = (char) signature.getByteAt(0); | |
| 39 if (Assert.ASSERTS_ENABLED) { | |
| 40 switch (this.first) { | |
| 41 case 'B': | |
| 42 case 'C': | |
| 43 case 'D': | |
| 44 case 'F': | |
| 45 case 'I': | |
| 46 case 'J': | |
| 47 case 'S': | |
| 48 case 'Z': | |
| 49 case 'L': | |
| 50 case '[': | |
| 51 break; // Ok. signature char known | |
| 52 default: | |
| 53 Assert.that(false, "Unknown char in field signature \"" + signature.asString() + "\": " + this.first); | |
| 54 } | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 public boolean isOop() { return isObject() || isArray(); } | |
| 59 public boolean isByte() { return first == 'B'; } | |
| 60 public boolean isChar() { return first == 'C'; } | |
| 61 public boolean isDouble() { return first == 'D'; } | |
| 62 public boolean isFloat() { return first == 'F'; } | |
| 63 public boolean isInt() { return first == 'I'; } | |
| 64 public boolean isLong() { return first == 'J'; } | |
| 65 public boolean isShort() { return first == 'S'; } | |
| 66 public boolean isBoolean() { return first == 'Z'; } | |
| 67 public boolean isObject() { return first == 'L'; } | |
| 68 public boolean isArray() { return first == '['; } | |
| 69 | |
| 3939 | 70 public Symbol getSignature() { return signature; } |
| 71 | |
| 0 | 72 public static class ArrayInfo { |
| 73 private int dimension; | |
| 74 private int elementBasicType; // See BasicType.java | |
| 75 // FIXME: consider adding name of element class | |
| 76 | |
| 77 public ArrayInfo(int dimension, int elementBasicType) { | |
| 78 this.dimension = dimension; | |
| 79 this.elementBasicType = elementBasicType; | |
| 80 } | |
| 81 | |
| 82 public int dimension() { return dimension; } | |
| 83 /** See BasicType.java */ | |
| 84 public int elementBasicType() { return elementBasicType; } | |
| 85 } | |
| 86 | |
| 87 /** Only valid for T_ARRAY; throws unspecified exception otherwise */ | |
| 88 public ArrayInfo getArrayInfo() { | |
| 89 int index = 1; | |
| 90 int dim = 1; | |
| 91 index = skipOptionalSize(signature, index); | |
| 92 while (signature.getByteAt(index) == '[') { | |
| 93 index++; | |
| 94 dim++; | |
| 95 skipOptionalSize(signature, index); | |
| 96 } | |
| 97 int elementType = BasicType.charToType((char) signature.getByteAt(index)); | |
| 98 return new ArrayInfo(dim, elementType); | |
| 99 } | |
| 100 | |
| 101 private int skipOptionalSize(Symbol sig, int index) { | |
| 102 byte c = sig.getByteAt(index); | |
| 103 while (c >= '0' && c <= '9') { | |
| 104 ++index; | |
| 105 c = sig.getByteAt(index); | |
| 106 } | |
| 107 return index; | |
| 108 } | |
| 109 } |