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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.jruby.ir.instructions.defined;

import org.jruby.ir.IRVisitor;
import org.jruby.ir.Operation;
import org.jruby.ir.instructions.Instr;
import org.jruby.ir.instructions.ResultInstr;
import org.jruby.ir.operands.Operand;
import org.jruby.ir.operands.Variable;
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;

/**
 *
 * @author enebo
 */
public class GetErrorInfoInstr extends Instr implements ResultInstr {
    private Variable result;
    
    public GetErrorInfoInstr(Variable result) {
        super(Operation.GET_ERROR_INFO);
        
        this.result = result;
    }

    @Override
    public Operand[] getOperands() {
        return EMPTY_OPERANDS;
    }
    
    public Variable getResult() {
        return result;
    }

    public void updateResult(Variable v) {
        result = v;
    }

    @Override
    public Instr cloneForInlining(InlinerInfo inlinerInfo) {
        return new GetErrorInfoInstr((Variable) getResult().cloneForInlining(inlinerInfo));
    }

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

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