Generate dynamic visitor

1 files changed, 26 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/couscous/util/asm/StackManipulationLabel.java b/src/main/java/org/zwobble/couscous/util/asm/StackManipulationLabel.java
new file mode 100644
index 0000000..13d27bb
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/util/asm/StackManipulationLabel.java
@@ -0,0 +1,26 @@
+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();
+    }
+}