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java-decompiler: unwanted dependency dropped

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This commit is contained in:
Roman Shevchenko
2014-10-06 10:10:01 +03:00
parent 9723ab4475
commit 07ca9cf062
1 changed files with 12 additions and 18 deletions
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30
src/org/jetbrains/java/decompiler/struct/attr/StructLineNumberTableAttribute.java
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@@ -15,12 +15,10 @@
*/ */
package org.jetbrains.java.decompiler.struct.attr; package org.jetbrains.java.decompiler.struct.attr;
import com.intellij.openapi.util.Pair;
import org.jetbrains.java.decompiler.struct.consts.ConstantPool; import org.jetbrains.java.decompiler.struct.consts.ConstantPool;
import org.jetbrains.java.decompiler.util.DataInputFullStream; import org.jetbrains.java.decompiler.util.DataInputFullStream;
import java.io.IOException; import java.io.IOException;
import java.util.*;
/** /**
* u2 line_number_table_length; * u2 line_number_table_length;
@@ -31,37 +29,33 @@ import java.util.*;
* Created by Egor on 05.10.2014. * Created by Egor on 05.10.2014.
*/ */
public class StructLineNumberTableAttribute extends StructGeneralAttribute { public class StructLineNumberTableAttribute extends StructGeneralAttribute {
private List<Pair<Integer, Integer>> myLineInfo = Collections.emptyList(); private int[] myLineInfo = new int[0];
@Override @Override
public void initContent(ConstantPool pool) throws IOException { public void initContent(ConstantPool pool) throws IOException {
DataInputFullStream data = stream(); DataInputFullStream data = stream();
int len = data.readUnsignedShort(); int len = data.readUnsignedShort() * 2;
if (len > 0) { if (len > 0) {
myLineInfo = new ArrayList<Pair<Integer, Integer>>(len); myLineInfo = new int[len];
for (int i = 0; i < len; i++) { for (int i = 0; i < len; i += 2) {
int startPC = data.readUnsignedShort(); myLineInfo[i] = data.readUnsignedShort();
int lineNumber = data.readUnsignedShort(); myLineInfo[i + 1] = data.readUnsignedShort();
myLineInfo.add(Pair.create(startPC, lineNumber));
} }
} }
else { else if (myLineInfo.length > 0) {
myLineInfo = Collections.emptyList(); myLineInfo = new int[0];
} }
} }
public int getFirstLine() { public int getFirstLine() {
if (!myLineInfo.isEmpty()) { return myLineInfo.length > 0 ? myLineInfo[1] : -1;
return myLineInfo.get(0).getSecond();
}
return -1;
} }
public int findLineNumber(int pc) { public int findLineNumber(int pc) {
for (Pair<Integer, Integer> pair : myLineInfo) { for (int i = 0; i < myLineInfo.length; i += 2) {
if (pc >= pair.getFirst()) { if (pc >= myLineInfo[i]) {
return pair.getSecond(); return myLineInfo[i + 1];
} }
} }
return -1; return -1;