diff options
Diffstat (limited to 'src/org/jetbrains/java/decompiler/util/SFormsFastMap.java')
| -rw-r--r-- | src/org/jetbrains/java/decompiler/util/SFormsFastMap.java | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/src/org/jetbrains/java/decompiler/util/SFormsFastMap.java b/src/org/jetbrains/java/decompiler/util/SFormsFastMap.java deleted file mode 100644 index 51c64d2..0000000 --- a/src/org/jetbrains/java/decompiler/util/SFormsFastMap.java +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright 2000-2014 JetBrains s.r.o. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.jetbrains.java.decompiler.util; - -import org.jetbrains.java.decompiler.modules.decompiler.exps.VarExprent; - -import java.util.ArrayList; -import java.util.List; -import java.util.Map.Entry; - -public class SFormsFastMap<E> { - - private int size; - - private List<E[]> lstElements = new ArrayList<E[]>(3); - - { - lstElements.add((E[])new Object[5]); - lstElements.add((E[])new Object[5]); - lstElements.add((E[])new Object[5]); - } - - public SFormsFastMap() { - } - - public SFormsFastMap(SFormsFastMap<E> map) { - for (int i = 2; i >= 0; i--) { - E[] arr = map.lstElements.get(i); - E[] arrnew = (E[])new Object[arr.length]; - - System.arraycopy(arr, 0, arrnew, 0, arr.length); - - lstElements.set(i, arrnew); - - for (E element : arrnew) { - if (element != null) { - size++; - } - } - } - } - - public int size() { - return size; - } - - public boolean isEmpty() { - return size == 0; - } - - public void put(int key, E value) { - putInternal(key, value, false); - } - - public void remove(int key) { - putInternal(key, null, true); - } - - public void removeAllFields() { - E[] arr = lstElements.get(2); - for (int i = arr.length - 1; i >= 0; i--) { - E val = arr[i]; - if (val != null) { - arr[i] = null; - size--; - } - } - } - - public void putInternal(final int key, final E value, boolean remove) { - - int index = 0; - int ikey = key; - if (ikey < 0) { - index = 2; - ikey = -ikey; - } - else if (ikey >= VarExprent.STACK_BASE) { - index = 1; - ikey -= VarExprent.STACK_BASE; - } - - E[] arr = lstElements.get(index); - if (ikey >= arr.length) { - if (remove) { - return; - } - else { - arr = ensureCapacity(arr, ikey + 1, false); - lstElements.set(index, arr); - } - } - - E oldval = arr[ikey]; - arr[ikey] = value; - - if (oldval == null && value != null) { - size++; - } - else if (oldval != null && value == null) { - size--; - } - } - - public boolean containsKey(int key) { - return get(key) != null; - } - - public E get(int key) { - - int index = 0; - if (key < 0) { - index = 2; - key = -key; - } - else if (key >= VarExprent.STACK_BASE) { - index = 1; - key -= VarExprent.STACK_BASE; - } - - E[] arr = lstElements.get(index); - - if (key < arr.length) { - return arr[key]; - } - return null; - } - - public void union(SFormsFastMap<E> map, IElementsUnion<E> union) { - - for (int i = 2; i >= 0; i--) { - E[] lstOwn = lstElements.get(i); - E[] lstExtern = map.lstElements.get(i); - - int externsize = lstExtern.length; - - if (lstOwn.length < externsize) { - lstOwn = ensureCapacity(lstOwn, externsize, true); - lstElements.set(i, lstOwn); - } - - int ownsize = lstOwn.length; - int minsize = ownsize > externsize ? externsize : ownsize; - - for (int j = minsize - 1; j >= 0; j--) { - E second = lstExtern[j]; - - if (second != null) { - E first = lstOwn[j]; - - if (first == null) { - lstOwn[j] = union.copy(second); - size++; - } - else { - union.union(first, second); - } - } - } - - // ITimer timer = TimerFactory.newTimer(); - // timer.start(); - // - // if(externsize > minsize) { - // for(int j=minsize;j<externsize;j++) { - // E second = lstExtern.get(j); - // if(second != null) { - // lstOwn.add(union.copy(second)); - // size++; - // } else { - // lstOwn.add(null); - // } - // } - // } - // - // timer.stop(); - // Timer.addTime("sformunion", timer.getDuration()); - - } - } - - public List<Entry<Integer, E>> entryList() { - List<Entry<Integer, E>> list = new ArrayList<Entry<Integer, E>>(); - - for (int i = 2; i >= 0; i--) { - int ikey = 0; - for (final E ent : lstElements.get(i)) { - if (ent != null) { - final int key = i == 0 ? ikey : (i == 1 ? ikey + VarExprent.STACK_BASE : -ikey); - - list.add(new Entry<Integer, E>() { - - private Integer var = key; - private E val = ent; - - public Integer getKey() { - return var; - } - - public E getValue() { - return val; - } - - public E setValue(E newvalue) { - return null; - } - }); - } - - ikey++; - } - } - - return list; - } - - private E[] ensureCapacity(E[] arr, int size, boolean exact) { - - int minsize = size; - if (!exact) { - minsize = 2 * arr.length / 3 + 1; - if (size > minsize) { - minsize = size; - } - } - - E[] arrnew = (E[])new Object[minsize]; - System.arraycopy(arr, 0, arrnew, 0, arr.length); - - return arrnew; - } - - public interface IElementsUnion<E> { - E union(E first, E second); - - E copy(E element); - } -} |