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java-decompiler: optimization (empty lists allocation avoided)

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Roman Shevchenko
2014-09-04 18:16:16 +04:00
parent 1cea85e49a
commit 686b5abef9
15 changed files with 345 additions and 343 deletions
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29
src/org/jetbrains/java/decompiler/struct/attr/StructAnnotationParameterAttribute.java
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@@ -18,37 +18,30 @@ package org.jetbrains.java.decompiler.struct.attr;
import org.jetbrains.java.decompiler.modules.decompiler.exps.AnnotationExprent;
import org.jetbrains.java.decompiler.struct.consts.ConstantPool;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class StructAnnotationParameterAttribute extends StructGeneralAttribute {
private List<List<AnnotationExprent>> paramAnnotations;
public void initContent(ConstantPool pool) {
@Override
public void initContent(ConstantPool pool) throws IOException {
DataInputStream data = stream();
super.initContent(pool);
paramAnnotations = new ArrayList<List<AnnotationExprent>>();
DataInputStream data = new DataInputStream(new ByteArrayInputStream(info));
try {
int len = data.readUnsignedByte();
int len = data.readUnsignedByte();
if (len > 0) {
paramAnnotations = new ArrayList<List<AnnotationExprent>>(len);
for (int i = 0; i < len; i++) {
List<AnnotationExprent> lst = new ArrayList<AnnotationExprent>();
int annsize = data.readUnsignedShort();
for (int j = 0; j < annsize; j++) {
lst.add(StructAnnotationAttribute.parseAnnotation(data, pool));
}
paramAnnotations.add(lst);
List<AnnotationExprent> annotations = StructAnnotationAttribute.parseAnnotations(pool, data);
paramAnnotations.add(annotations);
}
}
catch (IOException ex) {
throw new RuntimeException(ex);
else {
paramAnnotations = Collections.emptyList();
}
}