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EA-85776 - NPE: MethodBytecodeUtil.visit

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This commit is contained in:
Egor.Ushakov
2016-07-19 18:24:44 +03:00
parent aaffc800a7
commit f207fa4f1d
1 changed files with 12 additions and 1 deletions
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java/debugger/impl/src/com/intellij/debugger/jdi/MethodBytecodeUtil.java
+12 -1
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@@ -15,6 +15,7 @@
*/
package com.intellij.debugger.jdi;
import com.intellij.util.ReflectionUtil;
import com.intellij.util.ThrowableConsumer;
import com.sun.jdi.*;
import org.jetbrains.annotations.NotNull;
@@ -52,13 +53,23 @@ public class MethodBytecodeUtil {
visit(classType, method, bytecodes, methodVisitor);
}
public static byte[] getConstantPool(ReferenceType type) {
try {
return type.constantPool();
}
catch (NullPointerException e) { // workaround for JDK bug 6822627
ReflectionUtil.resetField(type, "constantPoolInfoGotten");
return type.constantPool();
}
}
private static void visit(ReferenceType type, Method method, byte[] bytecodes, MethodVisitor methodVisitor) {
try {
try (ByteArrayOutputStream bos = new ByteArrayOutputStream(); DataOutputStream dos = new DataOutputStream(bos)) {
dos.writeInt(0xCAFEBABE); // magic
dos.writeInt(Opcodes.V1_8); // version
dos.writeShort(type.constantPoolCount()); // constant_pool_count
dos.write(type.constantPool()); // constant_pool
dos.write(getConstantPool(type)); // constant_pool
dos.writeShort(0); // access_flags;
dos.writeShort(0); // this_class;
dos.writeShort(0); // super_class;