public override IEnumerable <NodeBase> Expand(Context ctx, NodeBase expression, Label nextStatement)
{
foreach (var rule in KeyRule.Expand(ctx, Expr.GetMember(expression, "Key"), nextStatement))
{
yield return(rule);
}
foreach (var rule in ValueRule.Expand(ctx, Expr.GetMember(expression, "Value"), nextStatement))
{
yield return(rule);
}
}
public override IEnumerable <NodeBase> Expand(Context ctx, NodeBase expression, Label nextStatement)
{
// no need for temporary variable: field access is idempotent
yield return(MakeJumpIf(
nextStatement,
Expr.Not(
Expr.Is(expression, _type)
)
));
var rules = LabelRule.Expand(
ctx,
Expr.GetMember(
Expr.Cast(expression, _type),
"Tag"
),
nextStatement
);
foreach (var rule in rules)
{
yield return(rule);
}
}
