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54 lines
1.4 KiB
C#
54 lines
1.4 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Spv.Generator
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{
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public struct InstructionOperands
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{
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private const int InternalCount = 5;
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public int Count;
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public Operand Operand1;
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public Operand Operand2;
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public Operand Operand3;
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public Operand Operand4;
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public Operand Operand5;
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public Operand[] Overflow;
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public Span<Operand> AsSpan()
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{
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if (Count > InternalCount)
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{
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return MemoryMarshal.CreateSpan(ref this.Overflow[0], Count);
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}
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else
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{
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return MemoryMarshal.CreateSpan(ref this.Operand1, Count);
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}
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}
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public void Add(Operand operand)
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{
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if (Count < InternalCount)
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{
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MemoryMarshal.CreateSpan(ref this.Operand1, Count + 1)[Count] = operand;
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Count++;
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}
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else
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{
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if (Overflow == null)
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{
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Overflow = new Operand[InternalCount * 2];
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MemoryMarshal.CreateSpan(ref this.Operand1, InternalCount).CopyTo(Overflow.AsSpan());
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}
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else if (Count == Overflow.Length)
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{
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Array.Resize(ref Overflow, Overflow.Length * 2);
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}
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Overflow[Count++] = operand;
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}
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}
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}
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}
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