mirror of
https://github.com/GeWuYou/GFramework.git
synced 2026-03-22 19:03:29 +08:00
14894814a5
- 添加AttributeData扩展方法用于获取命名参数和构造函数参数 - 引入GenericInfo记录结构体处理泛型信息 - 将INamedTypeSymbol扩展方法转换为扩展方法语法 - 添加ResolveGenerics方法解析泛型参数和约束条件 - 简化LoggerGenerator中的参数解析逻辑 - 移除不再需要的GetNamedArg私有方法 - 优化代码可读性和维护性
103 lines
3.4 KiB
C#
103 lines
3.4 KiB
C#
using System;
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using System.Text;
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using GFramework.SourceGenerators.Abstractions.logging;
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using GFramework.SourceGenerators.Common.constants;
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using GFramework.SourceGenerators.Common.extensions;
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using GFramework.SourceGenerators.Common.generator;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp.Syntax;
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namespace GFramework.SourceGenerators.logging;
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/// <summary>
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/// 日志生成器，用于为标记了LogAttribute的类自动生成日志字段
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/// </summary>
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[Generator]
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public sealed class LoggerGenerator : TypeAttributeClassGeneratorBase
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{
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/// <summary>
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/// 获取属性元数据的完整名称，用于标识日志属性的完全限定名
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/// </summary>
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protected override Type AttributeType => typeof(LogAttribute);
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/// <summary>
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/// 用于语法快速筛选
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/// </summary>
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protected override string AttributeShortNameWithoutSuffix => "Log";
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/// <summary>
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/// 对类进行额外语义校验（可选）
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/// </summary>
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protected override bool ValidateSymbol(
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SourceProductionContext context,
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Compilation compilation,
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ClassDeclarationSyntax syntax,
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INamedTypeSymbol symbol,
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AttributeData attr)
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{
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// 可以加自定义规则，比如确保类是 public 或实现某接口
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return true;
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}
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/// <summary>
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/// 生成源代码
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/// </summary>
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/// <param name="context">源生产上下文</param>
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/// <param name="compilation">编译对象</param>
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/// <param name="symbol">命名类型符号</param>
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/// <param name="attr">属性数据</param>
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/// <returns>生成的源代码字符串</returns>
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protected override string Generate(
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SourceProductionContext context,
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Compilation compilation,
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INamedTypeSymbol symbol,
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AttributeData attr)
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{
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var ns = symbol.GetNamespace();
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var className = symbol.GetFullClassName();
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var typeKind = symbol.ResolveTypeKind();
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var generics = symbol.ResolveGenerics();
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var logName = attr.GetFirstCtorString(className);
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var fieldName = attr.GetNamedArgument("FieldName", "_log");
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var access = attr.GetNamedArgument("AccessModifier", "private");
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var isStatic = attr.GetNamedArgument("IsStatic", true);
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var staticKeyword = isStatic ? "static " : "";
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var sb = new StringBuilder()
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.AppendLine("// <auto-generated />")
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.AppendLine($"using {PathContests.CoreAbstractionsNamespace}.logging;")
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.AppendLine($"using {PathContests.CoreNamespace}.logging;");
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if (ns is not null)
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{
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sb.AppendLine()
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.AppendLine($"namespace {ns};");
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}
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sb.AppendLine()
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.AppendLine($"partial {typeKind} {className}{generics.Parameters}");
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foreach (var c in generics.Constraints)
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sb.AppendLine($" {c}");
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sb.AppendLine("{")
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.AppendLine(" /// <summary>Auto-generated logger</summary>")
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.AppendLine(
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$" {access} {staticKeyword}readonly ILogger {fieldName} = " +
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$"LoggerFactoryResolver.Provider.CreateLogger(\"{logName}\");")
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.AppendLine("}");
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return sb.ToString();
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}
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/// <summary>
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/// 可以自定义生成文件名
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/// </summary>
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protected override string GetHintName(INamedTypeSymbol symbol)
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{
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return $"{symbol.Name}.Logger.g.cs";
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}
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} |