public override void ExitNotexp1(ssuplParser.Notexp1Context context)
{
//notexp : NOT notexp
code.Put(context,
code.Get(context.notexp()), //second term
"pop rax", //result of second term
"cmp rax,0", //see if it's zero
"sete al", //if not, set al to 1
"movzx qword rax,al", //zero extend
"push rax" //push result
);
}
public override void ExitNotexp1(ssuplParser.Notexp1Context context)
{
//notexp : NOT notexp
if (type(context.notexp()) != VarType.INT)
{
throw new Exception("First operand to OR must be integer");
}
typeAttr.Put(context, VarType.INT);
code.Put(context,
code.Get(context.notexp()), //second term
"pop rax", //result of second term
"cmp rax,0", //see if it's zero
"sete al", //if not, set al to 1
"movzx qword rax,al", //zero extend
"push rax" //push result
);
}
/// <summary>
/// Exit a parse tree produced by the <c>notexp1</c>
/// labeled alternative in <see cref="ssuplParser.notexp"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitNotexp1([NotNull] ssuplParser.Notexp1Context context)
{
}
