Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/jvm/Pool.java
src/share/classes/com/sun/tools/javac/jvm/Pool.java
- changeset 1339
- 0e5899f09dab
- parent 1336
- 26d93df3905a
- child 1342
- 1a65d6565b45
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| 1338:ad2ca2a4ab5e | 1339:0e5899f09dab |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1999, 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 |
| 30 import java.util.*; | 30 import java.util.*; |
| 31 | 31 |
| 32 import com.sun.tools.javac.code.Symbol; | 32 import com.sun.tools.javac.code.Symbol; |
| 33 import com.sun.tools.javac.code.Symbol.*; | 33 import com.sun.tools.javac.code.Symbol.*; |
| 34 import com.sun.tools.javac.code.Type; | 34 import com.sun.tools.javac.code.Type; |
| 35 import com.sun.tools.javac.util.ArrayUtils; | |
| 35 import com.sun.tools.javac.util.Assert; | 36 import com.sun.tools.javac.util.Assert; |
| 36 import com.sun.tools.javac.util.Filter; | 37 import com.sun.tools.javac.util.Filter; |
| 37 import com.sun.tools.javac.util.Name; | 38 import com.sun.tools.javac.util.Name; |
| 38 import com.sun.tools.javac.util.Names; | 39 import com.sun.tools.javac.util.Names; |
| 39 | 40 |
| 87 /** Remove everything from this pool. | 88 /** Remove everything from this pool. |
| 88 */ | 89 */ |
| 89 public void reset() { | 90 public void reset() { |
| 90 pp = 1; | 91 pp = 1; |
| 91 indices.clear(); | 92 indices.clear(); |
| 92 } | |
| 93 | |
| 94 /** Double pool buffer in size. | |
| 95 */ | |
| 96 private void doublePool() { | |
| 97 Object[] newpool = new Object[pool.length * 2]; | |
| 98 System.arraycopy(pool, 0, newpool, 0, pool.length); | |
| 99 pool = newpool; | |
| 100 } | 93 } |
| 101 | 94 |
| 102 /** Place an object in the pool, unless it is already there. | 95 /** Place an object in the pool, unless it is already there. |
| 103 * If object is a symbol also enter its owner unless the owner is a | 96 * If object is a symbol also enter its owner unless the owner is a |
| 104 * package. Return the object's index in the pool. | 97 * package. Return the object's index in the pool. |
| 112 Integer index = indices.get(value); | 105 Integer index = indices.get(value); |
| 113 if (index == null) { | 106 if (index == null) { |
| 114 // System.err.println("put " + value + " " + value.getClass());//DEBUG | 107 // System.err.println("put " + value + " " + value.getClass());//DEBUG |
| 115 index = pp; | 108 index = pp; |
| 116 indices.put(value, index); | 109 indices.put(value, index); |
| 117 if (pp == pool.length) doublePool(); | 110 pool = ArrayUtils.ensureCapacity(pool, pp); |
| 118 pool[pp++] = value; | 111 pool[pp++] = value; |
| 119 if (value instanceof Long || value instanceof Double) { | 112 if (value instanceof Long || value instanceof Double) { |
| 120 if (pp == pool.length) doublePool(); | 113 pool = ArrayUtils.ensureCapacity(pool, pp); |
| 121 pool[pp++] = null; | 114 pool[pp++] = null; |
| 122 } | 115 } |
| 123 } | 116 } |
| 124 return index.intValue(); | 117 return index.intValue(); |
| 125 } | 118 } |
