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54 lines
2.6 KiB
54 lines
2.6 KiB
// Copyright (c) 2014 Daniel Grunwald
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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namespace ICSharpCode.Decompiler.IL
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{
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/// <summary>
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/// Execution context for phase 1: replace pop and peek instructions with evaluation stack values.
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/// </summary>
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interface IInlineContext
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{
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/// <summary>
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/// Peeks at the top value on the evaluation stack, returning an instruction that represents
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/// that value.
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/// <see cref="ILInstruction.Inline"/> will replace <see cref="Peek"/> instructions
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/// with the value returned by this function.
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/// </summary>
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/// <param name="flagsBefore">Combined instruction flags of the instructions
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/// that the instruction getting inlined would get moved over.</param>
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/// <remarks>
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/// This method may return <c>null</c> when the evaluation stack is empty or the contents
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/// are unknown. In this case, the peek instruction will not be replaced.
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/// </remarks>
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ILInstruction Peek(InstructionFlags flagsBefore);
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/// <summary>
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/// Pops the top value on the evaluation stack, returning an instruction that represents
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/// that value.
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/// <see cref="ILInstruction.Inline"/> will replace <see cref="Pop"/> instructions
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/// with the value returned by this function.
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/// </summary>
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/// <param name="flagsBefore">Combined instruction flags of the instructions
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/// that the instruction getting inlined would get moved over.</param>
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/// <remarks>
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/// This method may return <c>null</c> when the evaluation stack is empty or the contents
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/// are unknown. In this case, the pop instruction will not be replaced.
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/// </remarks>
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ILInstruction Pop(InstructionFlags flagsBefore);
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}
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}
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