97 lines
2.7 KiB
C#
97 lines
2.7 KiB
C#
// -----------------------------------------------------------------------------
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// file="Token"
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// Project: StgSharp
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// Copyright (c) Nitload.
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// SPDX-License-Identifier: MIT
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// -----------------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace StgSharp.RegularAnalysis.Abstraction
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{
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public readonly struct Token<TLabel> where TLabel : unmanaged
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{
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public readonly int Column;
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public readonly int Line;
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public readonly string Value;
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public readonly TLabel Flag;
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public Token()
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{
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Column = 0;
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Line = 0;
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Value = string.Empty;
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Flag = default;
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}
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public Token(
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string chars,
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int lineNumber,
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int columnNumber,
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TLabel flag
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)
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{
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Value = chars;
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Line = lineNumber;
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Column = columnNumber;
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Flag = flag;
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}
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public static Token<TLabel> Empty { get; } = new Token<TLabel>();
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public override bool Equals(
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[NotNullWhen(true)] object? obj
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)
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{
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return base.Equals(obj);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public Token<TLabel> ReLocate(
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int line,
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int column
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)
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{
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return new Token<TLabel>(Value, line, column, Flag);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public Token<TNewLabel> Remark<TNewLabel>(
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TNewLabel label
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) where TNewLabel : unmanaged
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{
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return new Token<TNewLabel>(Value, Line, Column, label);
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}
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public static bool operator !=(
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Token<TLabel> left,
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Token<TLabel> right
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)
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{
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return !left.Value.SequenceEqual(right.Value) ||
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left.Line != right.Line ||
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left.Column != right.Column ||
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!left.Flag.Equals(right.Flag);
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}
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public static bool operator ==(
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Token<TLabel> left,
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Token<TLabel> right
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)
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{
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return left.Value.SequenceEqual(right.Value) &&
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left.Line == right.Line &&
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left.Column == right.Column &&
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left.Flag.Equals(right.Flag);
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}
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}
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}
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