ai.timefold.jpyinterpreter.opcodes.stack.DupOpcode Maven / Gradle / Ivy

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package ai.timefold.jpyinterpreter.opcodes.stack;

import ai.timefold.jpyinterpreter.FunctionMetadata;
import ai.timefold.jpyinterpreter.PythonBytecodeInstruction;
import ai.timefold.jpyinterpreter.StackMetadata;
import ai.timefold.jpyinterpreter.implementors.StackManipulationImplementor;
import ai.timefold.jpyinterpreter.opcodes.AbstractOpcode;

public class DupOpcode extends AbstractOpcode {

    public DupOpcode(PythonBytecodeInstruction instruction) {
        super(instruction);
    }

    @Override
    public StackMetadata getStackMetadataAfterInstruction(FunctionMetadata functionMetadata,
            StackMetadata stackMetadata) {
        return stackMetadata.push(stackMetadata.getTOSValueSource());
    }

    @Override
    public void implement(FunctionMetadata functionMetadata, StackMetadata stackMetadata) {
        StackManipulationImplementor.duplicateTOS(functionMetadata.methodVisitor);
    }
}