Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/jvm/UninitializedType.java
src/share/classes/com/sun/tools/javac/jvm/UninitializedType.java
- changeset 1374
- c002fdee76fd
- parent 581
- f2fdd52e4e87
- child 2525
- 2eb010b6cb22
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| 1373:4a1c57a1c410 | 1374:c002fdee76fd |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. Oracle designates this | 7 * published by the Free Software Foundation. Oracle designates this |
| 25 | 25 |
| 26 package com.sun.tools.javac.jvm; | 26 package com.sun.tools.javac.jvm; |
| 27 | 27 |
| 28 import com.sun.tools.javac.code.*; | 28 import com.sun.tools.javac.code.*; |
| 29 | 29 |
| 30 import static com.sun.tools.javac.code.TypeTag.UNINITIALIZED_OBJECT; | |
| 31 import static com.sun.tools.javac.code.TypeTag.UNINITIALIZED_THIS; | |
| 30 | 32 |
| 31 /** These pseudo-types appear in the generated verifier tables to | 33 /** These pseudo-types appear in the generated verifier tables to |
| 32 * indicate objects that have been allocated but not yet constructed. | 34 * indicate objects that have been allocated but not yet constructed. |
| 33 * | 35 * |
| 34 * <p><b>This is NOT part of any supported API. | 36 * <p><b>This is NOT part of any supported API. |
| 35 * If you write code that depends on this, you do so at your own risk. | 37 * If you write code that depends on this, you do so at your own risk. |
| 36 * This code and its internal interfaces are subject to change or | 38 * This code and its internal interfaces are subject to change or |
| 37 * deletion without notice.</b> | 39 * deletion without notice.</b> |
| 38 */ | 40 */ |
| 39 class UninitializedType extends Type.DelegatedType { | 41 class UninitializedType extends Type.DelegatedType { |
| 40 public static final int UNINITIALIZED_THIS = TypeTags.TypeTagCount; | |
| 41 public static final int UNINITIALIZED_OBJECT = UNINITIALIZED_THIS + 1; | |
| 42 | 42 |
| 43 public static UninitializedType uninitializedThis(Type qtype) { | 43 public static UninitializedType uninitializedThis(Type qtype) { |
| 44 return new UninitializedType(UNINITIALIZED_THIS, qtype, -1); | 44 return new UninitializedType(UNINITIALIZED_THIS, qtype, -1); |
| 45 } | 45 } |
| 46 | 46 |
| 47 public static UninitializedType uninitializedObject(Type qtype, int offset) { | 47 public static UninitializedType uninitializedObject(Type qtype, int offset) { |
| 48 return new UninitializedType(UNINITIALIZED_OBJECT, qtype, offset); | 48 return new UninitializedType(UNINITIALIZED_OBJECT, qtype, offset); |
| 49 } | 49 } |
| 50 | 50 |
| 51 public final int offset; // PC where allocation took place | 51 public final int offset; // PC where allocation took place |
| 52 private UninitializedType(int tag, Type qtype, int offset) { | 52 private UninitializedType(TypeTag tag, Type qtype, int offset) { |
| 53 super(tag, qtype); | 53 super(tag, qtype); |
| 54 this.offset = offset; | 54 this.offset = offset; |
| 55 } | 55 } |
| 56 | 56 |
| 57 Type initializedType() { | 57 Type initializedType() { |
