mockit.asm.methods.ExceptionsWriter Maven / Gradle / Ivy
package mockit.asm.methods;
import javax.annotation.*;
import mockit.asm.constantPool.*;
import mockit.asm.util.*;
/**
* Stores the exceptions that can be thrown by a method/constructor, and writes it to the "Exceptions" attribute.
* For each thrown exception, stores the index of the constant pool item containing the internal name of the thrown exception class.
*/
final class ExceptionsWriter extends AttributeWriter
{
@Nonnull private final int[] exceptionIndices;
ExceptionsWriter(@Nonnull ConstantPoolGeneration cp, @Nonnull String[] exceptionTypeDescs) {
super(cp, "Exceptions");
int n = exceptionTypeDescs.length;
exceptionIndices = new int[n];
for (int i = 0; i < n; i++) {
exceptionIndices[i] = cp.newClass(exceptionTypeDescs[i]);
}
}
@Nonnegative @Override
public int getSize() { return 8 + 2 * exceptionIndices.length; }
@Override
public void put(@Nonnull ByteVector out) {
int n = exceptionIndices.length;
put(out, 2 + 2 * n);
out.putShort(n);
for (int exceptionIndex : exceptionIndices) {
out.putShort(exceptionIndex);
}
}
}