107 lines
3.0 KiB
C#
107 lines
3.0 KiB
C#
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using CanonSharp.Benchmark.Canon.Core.Abstractions;
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using CanonSharp.Benchmark.Canon.Core.Enums;
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using CanonSharp.Benchmark.Canon.Core.LexicalParser;
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namespace CanonSharp.Benchmark.Canon.Core.SyntaxNodes;
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/// <summary>
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/// 使用数值产生式事件的事件参数
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/// </summary>
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public class NumberConstValueEventArgs : EventArgs
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{
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/// <summary>
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/// 是否含有负号
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/// </summary>
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public bool IsNegative { get; init; }
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/// <summary>
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/// 数值记号
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/// </summary>
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public required NumberSemanticToken Token { get; init; }
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}
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/// <summary>
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/// 使用字符产生式事件的事件参数
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/// </summary>
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public class CharacterConstValueEventArgs : EventArgs
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{
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/// <summary>
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/// 字符记号
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/// </summary>
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public required CharacterSemanticToken Token { get; init; }
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}
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public class ConstValue : NonTerminatedSyntaxNode
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{
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public override NonTerminatorType Type => NonTerminatorType.ConstValue;
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public override void PreVisit(SyntaxNodeVisitor visitor)
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{
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visitor.PreVisit(this);
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RaiseGeneratorEvent();
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}
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public override void PostVisit(SyntaxNodeVisitor visitor)
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{
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visitor.PostVisit(this);
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RaiseGeneratorEvent();
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}
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public string ValueString { get; set; } = string.Empty;
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/// <summary>
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/// 使用数值产生式的事件
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/// </summary>
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public event EventHandler<NumberConstValueEventArgs>? OnNumberGenerator;
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/// <summary>
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/// 使用字符产生式的事件
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/// </summary>
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public event EventHandler<CharacterConstValueEventArgs>? OnCharacterGenerator;
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private void RaiseGeneratorEvent()
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{
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if (Children.Count == 2)
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{
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OperatorSemanticToken operatorSemanticToken = Children[0].Convert<TerminatedSyntaxNode>().Token
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.Convert<OperatorSemanticToken>();
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NumberSemanticToken numberSemanticToken = Children[1].Convert<TerminatedSyntaxNode>().Token
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.Convert<NumberSemanticToken>();
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OnNumberGenerator?.Invoke(this, new NumberConstValueEventArgs
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{
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Token = numberSemanticToken,
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IsNegative = operatorSemanticToken.OperatorType == OperatorType.Minus
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});
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return;
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}
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SemanticToken token = Children[0].Convert<TerminatedSyntaxNode>().Token;
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if (token.TokenType == SemanticTokenType.Number)
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{
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OnNumberGenerator?.Invoke(this,
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new NumberConstValueEventArgs
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{
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Token = token.Convert<NumberSemanticToken>()
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});
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}
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else
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{
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OnCharacterGenerator?.Invoke(this, new CharacterConstValueEventArgs
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{
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Token = token.Convert<CharacterSemanticToken>()
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});
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}
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OnNumberGenerator = null;
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OnCharacterGenerator = null;
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}
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public static ConstValue Create(List<SyntaxNodeBase> children)
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{
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return new ConstValue { Children = children };
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}
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}
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