public override IVecValue VisitIfstmt([NotNull] VectorizeParser.IfstmtContext context)
{
var conds = context.expression();
var stmts = context.statement();
bool anyMatch = false;
foreach (var(condition, statement) in conds.Zip(stmts, (c, s) => (condition: c, statement: s)))
{
bool value = ((VecBool)condition.Accept(this)).Value;
if (value)
{
anyMatch = true;
statement.Accept(this);
break;
}
}
if (!anyMatch && stmts.Length == conds.Length + 1) // is else present?
{
var elseBranch = stmts.Last();
elseBranch.Accept(this);
}
return(VecNull.Value);
}
/// <summary>
/// Exit a parse tree produced by <see cref="VectorizeParser.ifstmt"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitIfstmt([NotNull] VectorizeParser.IfstmtContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="VectorizeParser.ifstmt"/>.
/// <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 VisitIfstmt([NotNull] VectorizeParser.IfstmtContext context)
{
return(VisitChildren(context));
}
