34 lines
999 B
C#
34 lines
999 B
C#
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using System.Collections.Immutable;
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using Microsoft.CodeAnalysis.CSharp.Symbols;
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namespace Microsoft.CodeAnalysis.CSharp;
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internal abstract class BoundCollectionExpressionBase : BoundExpression
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{
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public ImmutableArray<BoundExpression> Elements { get; }
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internal bool HasSpreadElements(out int numberIncludingLastSpread, out bool hasKnownLength)
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{
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hasKnownLength = true;
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numberIncludingLastSpread = 0;
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for (int i = 0; i < Elements.Length; i++)
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{
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if (Elements[i] is BoundCollectionExpressionSpreadElement boundCollectionExpressionSpreadElement)
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{
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numberIncludingLastSpread = i + 1;
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if (boundCollectionExpressionSpreadElement.LengthOrCount == null)
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{
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hasKnownLength = false;
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}
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}
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}
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return numberIncludingLastSpread > 0;
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}
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protected BoundCollectionExpressionBase(BoundKind kind, SyntaxNode syntax, ImmutableArray<BoundExpression> elements, TypeSymbol? type, bool hasErrors = false)
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: base(kind, syntax, type, hasErrors)
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{
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Elements = elements;
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}
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}
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