src/main/java/org/zwobble/couscous/util/asm/StackManipulationLabel.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

package org.zwobble.couscous.util.asm;

import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.implementation.bytecode.StackManipulation;
import net.bytebuddy.implementation.bytecode.StackSize;
import net.bytebuddy.jar.asm.Label;
import net.bytebuddy.jar.asm.MethodVisitor;

public class StackManipulationLabel implements StackManipulation {
    private final Label label;

    public StackManipulationLabel(Label label) {
        this.label = label;
    }

    @Override
    public boolean isValid() {
        return true;
    }

    @Override
    public Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext) {
        methodVisitor.visitLabel(label);
        return StackSize.ZERO.toIncreasingSize();
    }
}