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-rw-r--r--src/org/jetbrains/java/decompiler/util/FastFixedSetFactory.java699
1 files changed, 348 insertions, 351 deletions
diff --git a/src/org/jetbrains/java/decompiler/util/FastFixedSetFactory.java b/src/org/jetbrains/java/decompiler/util/FastFixedSetFactory.java
index 524f50d..a26b77e 100644
--- a/src/org/jetbrains/java/decompiler/util/FastFixedSetFactory.java
+++ b/src/org/jetbrains/java/decompiler/util/FastFixedSetFactory.java
@@ -1,363 +1,360 @@
/*
- * Fernflower - The Analytical Java Decompiler
- * http://www.reversed-java.com
+ * Copyright 2000-2014 JetBrains s.r.o.
*
- * (C) 2008 - 2010, Stiver
+ * 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
*
- * This software is NEITHER public domain NOR free software
- * as per GNU License. See license.txt for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * This software is distributed WITHOUT ANY WARRANTY; without
- * even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.
+ * 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 java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
public class FastFixedSetFactory<E> {
- private VBStyleCollection<int[], E> colValuesInternal = new VBStyleCollection<int[], E>();
-
- private int dataLength;
-
- public FastFixedSetFactory(Collection<E> set) {
-
- dataLength = set.size() / 32 + 1;
-
- int index = 0;
- int mask = 1;
-
- for(E element : set) {
-
- int block = index / 32;
-
- if(index % 32 == 0) {
- mask = 1;
- }
-
- colValuesInternal.putWithKey(new int[] {block, mask}, element);
-
- index++;
- mask <<= 1;
- }
- }
-
- public FastFixedSet<E> spawnEmptySet() {
- return new FastFixedSet<E>(this);
- }
-
- private int getDataLength() {
- return dataLength;
- }
-
- private VBStyleCollection<int[], E> getInternalValuesCollection() {
- return colValuesInternal;
- }
-
- public static class FastFixedSet<E> implements Iterable<E> {
-
- private FastFixedSetFactory<E> factory;
-
- private VBStyleCollection<int[], E> colValuesInternal;
-
- private int[] data;
-
-
- private FastFixedSet(FastFixedSetFactory<E> factory) {
- this.factory = factory;
- this.colValuesInternal = factory.getInternalValuesCollection();
- this.data = new int[factory.getDataLength()];
- }
-
- public FastFixedSet<E> getCopy() {
-
- FastFixedSet<E> copy = new FastFixedSet<E>(factory);
-
- int arrlength = data.length;
- int[] cpdata = new int[arrlength];
- System.arraycopy(data, 0, cpdata, 0, arrlength);
- copy.setData(cpdata);
-
- return copy;
- }
-
- public void setAllElements() {
-
- int[] lastindex = colValuesInternal.get(colValuesInternal.size()-1);
-
- for(int i=lastindex[0]-1;i>=0;i--) {
- data[i] = 0xFFFFFFFF;
- }
-
- data[lastindex[0]] = lastindex[1] | (lastindex[1]-1);
- }
-
- public void add(E element) {
- int[] index = colValuesInternal.getWithKey(element);
- data[index[0]] |= index[1];
- }
-
- public void addAll(Collection<E> set) {
- for(E element : set) {
- add(element);
- }
- }
-
- public void remove(E element) {
- int[] index = colValuesInternal.getWithKey(element);
- data[index[0]] &= ~index[1];
- }
-
- public void removeAll(Collection<E> set) {
- for(E element : set) {
- remove(element);
- }
- }
-
- public boolean contains(E element) {
- int[] index = colValuesInternal.getWithKey(element);
- return (data[index[0]] & index[1]) != 0;
- }
-
- public boolean contains(FastFixedSet<E> set) {
- int[] extdata = set.getData();
- int[] intdata = data;
-
- for(int i=intdata.length-1;i>=0;i--) {
- if((extdata[i] & ~intdata[i]) != 0) {
- return false;
- }
- }
-
- return true;
- }
-
- public void union(FastFixedSet<E> set) {
- int[] extdata = set.getData();
- int[] intdata = data;
-
- for(int i=intdata.length-1;i>=0;i--) {
- intdata[i] |= extdata[i];
- }
- }
-
- public void intersection(FastFixedSet<E> set) {
- int[] extdata = set.getData();
- int[] intdata = data;
-
- for(int i=intdata.length-1;i>=0;i--) {
- intdata[i] &= extdata[i];
- }
- }
-
- public void symdiff(FastFixedSet<E> set) {
- int[] extdata = set.getData();
- int[] intdata = data;
-
- for(int i=intdata.length-1;i>=0;i--) {
- intdata[i] ^= extdata[i];
- }
- }
-
- public void complement(FastFixedSet<E> set) {
- int[] extdata = set.getData();
- int[] intdata = data;
-
- for(int i=intdata.length-1;i>=0;i--) {
- intdata[i] &= ~extdata[i];
- }
- }
-
-
- public boolean equals(Object o) {
- if(o == this) return true;
- if(o == null || !(o instanceof FastFixedSet)) return false;
-
- int[] extdata = ((FastFixedSet)o).getData();
- int[] intdata = data;
-
- for(int i=intdata.length-1;i>=0;i--) {
- if(intdata[i] != extdata[i]) {
- return false;
- }
- }
-
- return true;
- }
-
- public boolean isEmpty() {
- int[] intdata = data;
-
- for(int i=intdata.length-1;i>=0;i--) {
- if(intdata[i] != 0) {
- return false;
- }
- }
-
- return true;
- }
-
- public Iterator<E> iterator() {
- return new FastFixedSetIterator<E>(this);
- }
-
- public Set<E> toPlainSet() {
- return toPlainCollection(new HashSet<E>());
- }
-
- public List<E> toPlainList() {
- return toPlainCollection(new ArrayList<E>());
- }
-
-
- private <T extends Collection<E>> T toPlainCollection(T cl) {
-
- int[] intdata = data;
- for(int bindex=0; bindex < intdata.length; bindex++) {
- int block = intdata[bindex];
- if(block != 0) {
- int index = bindex << 5; // * 32
- for(int i = 31; i>=0; i--){
- if((block & 1) != 0) {
- cl.add(colValuesInternal.getKey(index));
- }
- index++;
- block >>>= 1;
- }
- }
- }
-
- return cl;
- }
-
- public String toBinary() {
-
- StringBuilder buffer = new StringBuilder();
- int[] intdata = data;
-
- for(int i=0;i<intdata.length;i++) {
- buffer.append(" ").append(Integer.toBinaryString(intdata[i]));
- }
-
- return buffer.toString();
- }
-
- public String toString() {
-
- StringBuilder buffer = new StringBuilder("{");
-
- int[] intdata = data;
- boolean first = true;
-
- for(int i=colValuesInternal.size()-1;i>=0;i--) {
- int[] index = colValuesInternal.get(i);
-
- if((intdata[index[0]] & index[1]) != 0) {
- if(first) {
- first = false;
- } else {
- buffer.append(",");
- }
- buffer.append(colValuesInternal.getKey(i));
- }
- }
-
- buffer.append("}");
-
- return buffer.toString();
- }
-
- private int[] getData() {
- return data;
- }
-
- private void setData(int[] data) {
- this.data = data;
- }
-
- public FastFixedSetFactory<E> getFactory() {
- return factory;
- }
- }
-
- public static class FastFixedSetIterator<E> implements Iterator<E> {
-
- private VBStyleCollection<int[], E> colValuesInternal;
- private int[] data;
- private int size;
-
- private int pointer = -1;
- private int next_pointer = -1;
-
- private FastFixedSetIterator(FastFixedSet<E> set) {
- colValuesInternal = set.getFactory().getInternalValuesCollection();
- data = set.getData();
- size = colValuesInternal.size();
- }
-
- private int getNextIndex(int index) {
-
- index++;
- int ret = index;
- int bindex = index / 32;
- int dindex = index % 32;
-
- while(bindex < data.length) {
- int block = data[bindex];
-
- if(block != 0) {
- block >>>= dindex;
- while(dindex < 32) {
- if((block & 1) != 0) {
- return ret;
- }
- block >>>= 1;
- dindex++;
- ret++;
- }
- } else {
- ret += (32 - dindex);
- }
-
- dindex = 0;
- bindex++;
- }
-
- return -1;
- }
-
- public boolean hasNext() {
- next_pointer = getNextIndex(pointer);
- return (next_pointer >= 0);
- }
-
- public E next() {
- if(next_pointer >= 0) {
- pointer = next_pointer;
- } else {
- pointer = getNextIndex(pointer);
- if(pointer == -1) {
- pointer = size;
- }
- }
-
- next_pointer = -1;
- return pointer<size?colValuesInternal.getKey(pointer):null;
- }
-
- public void remove() {
- int[] index = colValuesInternal.get(pointer);
- data[index[0]] &= ~index[1];
- }
-
- }
-
+ private VBStyleCollection<int[], E> colValuesInternal = new VBStyleCollection<int[], E>();
+
+ private int dataLength;
+
+ public FastFixedSetFactory(Collection<E> set) {
+
+ dataLength = set.size() / 32 + 1;
+
+ int index = 0;
+ int mask = 1;
+
+ for (E element : set) {
+
+ int block = index / 32;
+
+ if (index % 32 == 0) {
+ mask = 1;
+ }
+
+ colValuesInternal.putWithKey(new int[]{block, mask}, element);
+
+ index++;
+ mask <<= 1;
+ }
+ }
+
+ public FastFixedSet<E> spawnEmptySet() {
+ return new FastFixedSet<E>(this);
+ }
+
+ private int getDataLength() {
+ return dataLength;
+ }
+
+ private VBStyleCollection<int[], E> getInternalValuesCollection() {
+ return colValuesInternal;
+ }
+
+ public static class FastFixedSet<E> implements Iterable<E> {
+
+ private FastFixedSetFactory<E> factory;
+
+ private VBStyleCollection<int[], E> colValuesInternal;
+
+ private int[] data;
+
+
+ private FastFixedSet(FastFixedSetFactory<E> factory) {
+ this.factory = factory;
+ this.colValuesInternal = factory.getInternalValuesCollection();
+ this.data = new int[factory.getDataLength()];
+ }
+
+ public FastFixedSet<E> getCopy() {
+
+ FastFixedSet<E> copy = new FastFixedSet<E>(factory);
+
+ int arrlength = data.length;
+ int[] cpdata = new int[arrlength];
+ System.arraycopy(data, 0, cpdata, 0, arrlength);
+ copy.setData(cpdata);
+
+ return copy;
+ }
+
+ public void setAllElements() {
+
+ int[] lastindex = colValuesInternal.get(colValuesInternal.size() - 1);
+
+ for (int i = lastindex[0] - 1; i >= 0; i--) {
+ data[i] = 0xFFFFFFFF;
+ }
+
+ data[lastindex[0]] = lastindex[1] | (lastindex[1] - 1);
+ }
+
+ public void add(E element) {
+ int[] index = colValuesInternal.getWithKey(element);
+ data[index[0]] |= index[1];
+ }
+
+ public void addAll(Collection<E> set) {
+ for (E element : set) {
+ add(element);
+ }
+ }
+
+ public void remove(E element) {
+ int[] index = colValuesInternal.getWithKey(element);
+ data[index[0]] &= ~index[1];
+ }
+
+ public void removeAll(Collection<E> set) {
+ for (E element : set) {
+ remove(element);
+ }
+ }
+
+ public boolean contains(E element) {
+ int[] index = colValuesInternal.getWithKey(element);
+ return (data[index[0]] & index[1]) != 0;
+ }
+
+ public boolean contains(FastFixedSet<E> set) {
+ int[] extdata = set.getData();
+ int[] intdata = data;
+
+ for (int i = intdata.length - 1; i >= 0; i--) {
+ if ((extdata[i] & ~intdata[i]) != 0) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ public void union(FastFixedSet<E> set) {
+ int[] extdata = set.getData();
+ int[] intdata = data;
+
+ for (int i = intdata.length - 1; i >= 0; i--) {
+ intdata[i] |= extdata[i];
+ }
+ }
+
+ public void intersection(FastFixedSet<E> set) {
+ int[] extdata = set.getData();
+ int[] intdata = data;
+
+ for (int i = intdata.length - 1; i >= 0; i--) {
+ intdata[i] &= extdata[i];
+ }
+ }
+
+ public void symdiff(FastFixedSet<E> set) {
+ int[] extdata = set.getData();
+ int[] intdata = data;
+
+ for (int i = intdata.length - 1; i >= 0; i--) {
+ intdata[i] ^= extdata[i];
+ }
+ }
+
+ public void complement(FastFixedSet<E> set) {
+ int[] extdata = set.getData();
+ int[] intdata = data;
+
+ for (int i = intdata.length - 1; i >= 0; i--) {
+ intdata[i] &= ~extdata[i];
+ }
+ }
+
+
+ public boolean equals(Object o) {
+ if (o == this) return true;
+ if (o == null || !(o instanceof FastFixedSet)) return false;
+
+ int[] extdata = ((FastFixedSet)o).getData();
+ int[] intdata = data;
+
+ for (int i = intdata.length - 1; i >= 0; i--) {
+ if (intdata[i] != extdata[i]) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ public boolean isEmpty() {
+ int[] intdata = data;
+
+ for (int i = intdata.length - 1; i >= 0; i--) {
+ if (intdata[i] != 0) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ public Iterator<E> iterator() {
+ return new FastFixedSetIterator<E>(this);
+ }
+
+ public Set<E> toPlainSet() {
+ return toPlainCollection(new HashSet<E>());
+ }
+
+ public List<E> toPlainList() {
+ return toPlainCollection(new ArrayList<E>());
+ }
+
+
+ private <T extends Collection<E>> T toPlainCollection(T cl) {
+
+ int[] intdata = data;
+ for (int bindex = 0; bindex < intdata.length; bindex++) {
+ int block = intdata[bindex];
+ if (block != 0) {
+ int index = bindex << 5; // * 32
+ for (int i = 31; i >= 0; i--) {
+ if ((block & 1) != 0) {
+ cl.add(colValuesInternal.getKey(index));
+ }
+ index++;
+ block >>>= 1;
+ }
+ }
+ }
+
+ return cl;
+ }
+
+ public String toBinary() {
+
+ StringBuilder buffer = new StringBuilder();
+ int[] intdata = data;
+
+ for (int i = 0; i < intdata.length; i++) {
+ buffer.append(" ").append(Integer.toBinaryString(intdata[i]));
+ }
+
+ return buffer.toString();
+ }
+
+ public String toString() {
+
+ StringBuilder buffer = new StringBuilder("{");
+
+ int[] intdata = data;
+ boolean first = true;
+
+ for (int i = colValuesInternal.size() - 1; i >= 0; i--) {
+ int[] index = colValuesInternal.get(i);
+
+ if ((intdata[index[0]] & index[1]) != 0) {
+ if (first) {
+ first = false;
+ }
+ else {
+ buffer.append(",");
+ }
+ buffer.append(colValuesInternal.getKey(i));
+ }
+ }
+
+ buffer.append("}");
+
+ return buffer.toString();
+ }
+
+ private int[] getData() {
+ return data;
+ }
+
+ private void setData(int[] data) {
+ this.data = data;
+ }
+
+ public FastFixedSetFactory<E> getFactory() {
+ return factory;
+ }
+ }
+
+ public static class FastFixedSetIterator<E> implements Iterator<E> {
+
+ private VBStyleCollection<int[], E> colValuesInternal;
+ private int[] data;
+ private int size;
+
+ private int pointer = -1;
+ private int next_pointer = -1;
+
+ private FastFixedSetIterator(FastFixedSet<E> set) {
+ colValuesInternal = set.getFactory().getInternalValuesCollection();
+ data = set.getData();
+ size = colValuesInternal.size();
+ }
+
+ private int getNextIndex(int index) {
+
+ index++;
+ int ret = index;
+ int bindex = index / 32;
+ int dindex = index % 32;
+
+ while (bindex < data.length) {
+ int block = data[bindex];
+
+ if (block != 0) {
+ block >>>= dindex;
+ while (dindex < 32) {
+ if ((block & 1) != 0) {
+ return ret;
+ }
+ block >>>= 1;
+ dindex++;
+ ret++;
+ }
+ }
+ else {
+ ret += (32 - dindex);
+ }
+
+ dindex = 0;
+ bindex++;
+ }
+
+ return -1;
+ }
+
+ public boolean hasNext() {
+ next_pointer = getNextIndex(pointer);
+ return (next_pointer >= 0);
+ }
+
+ public E next() {
+ if (next_pointer >= 0) {
+ pointer = next_pointer;
+ }
+ else {
+ pointer = getNextIndex(pointer);
+ if (pointer == -1) {
+ pointer = size;
+ }
+ }
+
+ next_pointer = -1;
+ return pointer < size ? colValuesInternal.getKey(pointer) : null;
+ }
+
+ public void remove() {
+ int[] index = colValuesInternal.get(pointer);
+ data[index[0]] &= ~index[1];
+ }
+ }
}
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