org.jruby.ir.instructions.NopInstr Maven / Gradle / Ivy

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package org.jruby.ir.instructions;

import org.jruby.ir.IRVisitor;
import org.jruby.ir.Operation;
import org.jruby.ir.operands.Operand;
import org.jruby.ir.transformations.inlining.InlinerInfo;
import org.jruby.runtime.Block;
import org.jruby.runtime.DynamicScope;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;

public class NopInstr extends Instr {
    public static NopInstr NOP = new NopInstr();

    private NopInstr() {
        super(Operation.NOP);
        this.markDead();
    }

    public Operand[] getOperands() {
        return EMPTY_OPERANDS;
    }

    @Override
    public String toString() {
        return "NOP";
    }

    @Override
    public Instr cloneForInlining(InlinerInfo ii) {
        return this;
    }

    @Override
    public Object interpret(ThreadContext context, DynamicScope currDynScope, IRubyObject self, Object[] temp, Block block) {
        return null;
    }

    @Override
    public void visit(IRVisitor visitor) {
        visitor.NopInstr(this);
    }
}