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.operands.Variable;
import org.jruby.ir.persistence.IRReaderDecoder;
import org.jruby.ir.persistence.IRWriterEncoder;
import org.jruby.ir.transformations.inlining.CloneInfo;
import org.jruby.ir.transformations.inlining.InlineCloneInfo;
import org.jruby.ir.transformations.inlining.SimpleCloneInfo;
public class ReturnInstr extends ReturnBase implements FixedArityInstr {
public ReturnInstr(Operand returnValue) {
this(Operation.RETURN, returnValue);
}
public ReturnInstr(Operation operation, Operand returnValue) {
super(operation, returnValue);
}
@Override
public Instr clone(CloneInfo info) {
if (info instanceof SimpleCloneInfo) return new ReturnInstr(getReturnValue().cloneForInlining(info));
InlineCloneInfo ii = (InlineCloneInfo) info;
if (ii.isClosure()) return new CopyInstr(ii.getYieldResult(), getReturnValue().cloneForInlining(ii));
Variable v = ii.getCallResultVariable();
return v == null ? null : new CopyInstr(v, getReturnValue().cloneForInlining(ii));
}
@Override
public void encode(IRWriterEncoder e) {
super.encode(e);
e.encode(getReturnValue());
}
public static ReturnInstr decode(IRReaderDecoder d) {
return new ReturnInstr(d.decodeOperand());
}
@Override
public void visit(IRVisitor visitor) {
visitor.ReturnInstr(this);
}
}