55 lines
1.7 KiB
C#
55 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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namespace AspClassic.Parser;
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/// <summary>
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/// A parse tree for an End declaration.
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/// </summary>
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public sealed class EndBlockDeclaration : Declaration
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{
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private readonly BlockType _EndType;
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private readonly Location _EndArgumentLocation;
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/// <summary>
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/// The type of block the declaration ends.
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/// </summary>
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public BlockType EndType => _EndType;
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/// <summary>
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/// The location of the end block argument.
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/// </summary>
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public Location EndArgumentLocation => _EndArgumentLocation;
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/// <summary>
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/// Creates a new parse tree for an End block declaration.
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/// </summary>
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/// <param name="endType">The type of the block the statement ends.</param>
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/// <param name="endArgumentLocation">The location of the end block argument.</param>
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/// <param name="span">The location of the parse tree.</param>
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/// <param name="comments">The comments for the parse tree.</param>
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public EndBlockDeclaration(BlockType endType, Location endArgumentLocation, Span span, IList<Comment> comments)
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: base(TreeType.EndBlockDeclaration, span, comments)
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{
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if (endType < BlockType.Sub && endType > BlockType.Namespace)
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{
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throw new ArgumentOutOfRangeException("endType");
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}
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_EndType = endType;
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_EndArgumentLocation = endArgumentLocation;
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}
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internal EndBlockDeclaration(EndBlockStatement endBlockStatement)
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: base(TreeType.EndBlockDeclaration, endBlockStatement.Span, endBlockStatement.Comments)
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{
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BlockType endType = endBlockStatement.EndType;
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if ((uint)(endType - 10) <= 2u || (uint)(endType - 14) <= 4u)
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{
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_EndType = endBlockStatement.EndType;
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_EndArgumentLocation = endBlockStatement.EndArgumentLocation;
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return;
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}
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throw new ArgumentException("Invalid EndBlockStatement type.");
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}
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}
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