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package org.jruby.ir.instructions.defined;
import org.jruby.RubyClass;
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.Visibility;
import org.jruby.runtime.builtin.IRubyObject;
/**
*
* @author enebo
*/
public class MethodIsPublicInstr extends DefinedObjectNameInstr {
public MethodIsPublicInstr(Variable result, Operand object, StringLiteral name) {
super(Operation.METHOD_IS_PUBLIC, result, new Operand[] { object, name });
}
@Override
public Instr cloneForInlining(InlinerInfo inlinerInfo) {
return new MethodIsPublicInstr((Variable) getResult().cloneForInlining(inlinerInfo),
getObject().cloneForInlining(inlinerInfo),
(StringLiteral) getName().cloneForInlining(inlinerInfo));
}
// ENEBO: searchMethod on bad name returns undefined method...so we use that visibility?
private boolean isPublic(IRubyObject object, String name) {
RubyClass metaClass = object.getMetaClass();
Visibility visibility = metaClass.searchMethod(name).getVisibility();
return visibility != null && !visibility.isPrivate() &&
!(visibility.isProtected() && metaClass.getRealClass().isInstance(object));
}
@Override
public Object interpret(ThreadContext context, DynamicScope currDynScope, IRubyObject self, Object[] temp, Block block) {
IRubyObject receiver = (IRubyObject) getObject().retrieve(context, self, currDynScope, temp);
return context.runtime.newBoolean(isPublic(receiver, getName().string));
}
@Override
public void visit(IRVisitor visitor) {
visitor.MethodIsPublicInstr(this);
}
}