public override Result VisitBinaryExpression(AntlrConditionParser.BinaryExpressionContext context)
{
var left = Visit(context.left);
var right = Visit(context.right);
if (left.Type != right.Type && left.Type != ResultType.Bool)
{
throw new Exception("Invalid type comparison");
}
if (context.op.AND() != null)
{
return new Result {
Bool = left.Bool.GetValueOrDefault() && right.Bool.GetValueOrDefault()
}
}
;
if (context.op.OR() != null)
{
return new Result {
Bool = left.Bool.GetValueOrDefault() || right.Bool.GetValueOrDefault()
}
}
;
return(new Result());
}
/// <summary>
/// Exit a parse tree produced by the <c>binaryExpression</c>
/// labeled alternative in <see cref="AntlrConditionParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitBinaryExpression([NotNull] AntlrConditionParser.BinaryExpressionContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>binaryExpression</c>
/// labeled alternative in <see cref="AntlrConditionParser.expression"/>.
/// <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 VisitBinaryExpression([NotNull] AntlrConditionParser.BinaryExpressionContext context)
{
return(VisitChildren(context));
}