public override Result VisitEqual([NotNull] ExpressionParser.EqualContext context)
{
Result a = Visit(context.bexpr());
Result b = Visit(context.expression());
object rlt;
switch (context.op.Type)
{
case ExpressionParser.EQUALS:
rlt = a.Value.Equals(b.Value);
break;
case ExpressionParser.NOT_EQUALS:
rlt = !a.Value.Equals(b.Value);
break;
case ExpressionParser.GTE:
rlt = OperatorProvider.BinaryExecute("op_GreaterThanOrEqual", a.Value, b.Value);
break;
case ExpressionParser.GT:
rlt = OperatorProvider.BinaryExecute("op_GreaterThan", a.Value, b.Value);
break;
case ExpressionParser.LTE:
rlt = OperatorProvider.BinaryExecute("op_LessThanOrEqual", a.Value, b.Value);
break;
default:
rlt = OperatorProvider.BinaryExecute("op_LessThanOrEqual", a.Value, b.Value);;
break;
}
return(new Result
{
Value = rlt
});
}
/// <summary>
/// Exit a parse tree produced by the <c>Equal</c>
/// labeled alternative in <see cref="ExpressionParser.bexpr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitEqual([NotNull] ExpressionParser.EqualContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>Equal</c>
/// labeled alternative in <see cref="ExpressionParser.bexpr"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitEqual([NotNull] ExpressionParser.EqualContext context)
{
return(VisitChildren(context));
}
