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decompiler: lazy create bytecodes set

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This commit is contained in:
Egor.Ushakov
2015-01-22 15:39:45 +03:00
parent effbed6727
commit 531a1d5477
1 changed files with 9 additions and 4 deletions
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13
src/org/jetbrains/java/decompiler/modules/decompiler/exps/Exprent.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2014 JetBrains s.r.o.
* Copyright 2000-2015 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.
@@ -48,7 +48,7 @@ public class Exprent {
public final int type;
public final int id;
public final Set<Integer> bytecode = new HashSet<Integer>(); // offsets of bytecode instructions decompiled to this exprent
public Set<Integer> bytecode = null; // offsets of bytecode instructions decompiled to this exprent
public Exprent(int type) {
this.type = type;
@@ -122,8 +122,13 @@ public class Exprent {
public void replaceExprent(Exprent oldExpr, Exprent newExpr) { }
public void addBytecodeOffsets(Collection<Integer> bytecodeOffsets) {
if (bytecodeOffsets != null) {
bytecode.addAll(bytecodeOffsets);
if (bytecodeOffsets != null && !bytecodeOffsets.isEmpty()) {
if (bytecode == null) {
bytecode = new HashSet<Integer>(bytecodeOffsets);
}
else {
bytecode.addAll(bytecodeOffsets);
}
}
}
}