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package org.jruby.ir.instructions.defined;
import org.jruby.Ruby;
import org.jruby.ir.IRVisitor;
import org.jruby.ir.Operation;
import org.jruby.ir.instructions.Instr;
import org.jruby.ir.operands.Operand;
import org.jruby.ir.operands.StringLiteral;
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;
import java.util.Map;
/**
*
* @author enebo
*/
public class GlobalIsDefinedInstr extends DefinedInstr {
public GlobalIsDefinedInstr(Variable result, StringLiteral name) {
super(Operation.GLOBAL_IS_DEFINED, result, new Operand[] { name });
}
@Override
public void simplifyOperands(Map<Operand, Operand> valueMap, boolean force) {
operands[0] = operands[0].getSimplifiedOperand(valueMap, force);
}
public StringLiteral getName() {
return (StringLiteral) operands[0];
}
@Override
public Instr cloneForInlining(InlinerInfo inlinerInfo) {
return new GlobalIsDefinedInstr((Variable) getResult().cloneForInlining(inlinerInfo),
(StringLiteral) getOperands()[0].cloneForInlining(inlinerInfo));
}
@Override
public String toString() {
return super.toString() + "(" + getName() + ")";
}
@Override
public Object interpret(ThreadContext context, DynamicScope currDynScope, IRubyObject self, Object[] temp, Block block) {
Ruby runtime = context.runtime;
return runtime.newBoolean(runtime.getGlobalVariables().isDefined(getName().string));
}
@Override
public void visit(IRVisitor visitor) {
visitor.GlobalIsDefinedInstr(this);
}
}