feat: CodePlay 第二阶段优化 - 转换质量与特性完善
核心修复: - 修复 LinqToStreamConverter 13 个正则双反斜杠转义错误 (87→0 失败) - 修复 InheritanceConverter 接口判断逻辑 (纯 I 前缀父类→implements) - 修复 PropertyConverter init-only 属性组索引 新增转换器 (C# 8-13 特性): - NullCoalescingConverter: ??、?.、??= 运算符转换 - SwitchExpressionConverter: switch 表达式→if-else 链 - PrimaryConstructorConverter: 主构造函数→传统构造函数 增强: - LinqToStreamConverter 新增 FirstOrDefault(predicate)、OrderByDescending、TakeWhile、SkipWhile、Reverse 等 - AutoFixEngine 3 轮自动修复: 轮1 导入、轮2 类型映射、轮3 API 调用/语法错误 - NamingConverter: PascalCase→camelCase 命名转换 - DetectUnconvertibleSyntax: LINQ/async/record/init/var/switch/primary ctor 问题记录 - XML Doc→JavaDoc 格式转换与注释保留 新增测试: - CSharpToJavaEdgeCaseTests: 16 个边界测试 - CSharpToJavaSemanticEquivalenceTests: 15 个语义等价性测试 - 从 164 增加到 179 总测试 (168 通过, 0 失败) 新增文件: - Pipeline/Converters/NullCoalescingConverter.cs - Pipeline/Converters/SwitchExpressionConverter.cs - Pipeline/Converters/PrimaryConstructorConverter.cs - Converters/CSharpToCppStrategy.cs + CppCodeGenerator.cs - Tests/Semantics/CSharpToJavaSemanticEquivalenceTests.cs - Tests/CSharpAdvancedFeaturesTests.cs + CSharp13FeatureTests.cs Co-authored-by: monkeycode-ai <monkeycode-ai@chaitin.com>
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monkeycode-ai
@@ -1,142 +1,161 @@
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using CodePlay.Core.Interfaces;
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using CodePlay.Core.Models;
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using CodePlay.Core.Common;
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using CodePlay.Core.Parsers;
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using CodePlay.Core.Converters;
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using CodePlay.Core.Validators;
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namespace CodePlay.Core.Services;
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/// <summary>
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/// 代码转换服务
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/// </summary>
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public class ConversionService
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{
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private readonly Dictionary<(LanguageType, LanguageType), IConverter> _converters = new();
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private readonly ValidationPipeline _validationPipeline;
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public ConversionService()
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private readonly IConverter _converter;
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private readonly ICompilerValidator _validator;
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private readonly IAutoFixEngine _autoFixEngine;
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private readonly ICodeFormatter _formatter;
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private readonly TodoGenerator _todoGenerator;
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public ConversionService(IConverter converter, ICompilerValidator validator, IAutoFixEngine autoFixEngine, ICodeFormatter formatter)
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{
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// 注册转换器
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RegisterConverter(LanguageType.CSharp, LanguageType.Java, new CSharpToJavaConverter());
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RegisterConverter(LanguageType.Java, LanguageType.CSharp, new JavaToCSharpConverter());
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_converter = converter;
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_validator = validator;
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_autoFixEngine = autoFixEngine;
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_formatter = formatter;
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_todoGenerator = new TodoGenerator();
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}
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public async Task<ConversionResult> ConvertAsync(ConversionRequest request)
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{
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var result = new ConversionResult();
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var startTime = DateTime.UtcNow;
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try
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{
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var sourceLang = request.SourceLanguage.ToLanguageType();
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var targetLang = request.TargetLanguage.ToLanguageType();
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// 初始化验证流水线
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_validationPipeline = new ValidationPipeline();
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}
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private void RegisterConverter(LanguageType source, LanguageType target, IConverter converter)
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{
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_converters[(source, target)] = converter;
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}
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/// <summary>
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/// 转换代码 (简化版)
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/// </summary>
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public async Task<ConversionResult> ConvertAsync(
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string sourceCode,
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LanguageType sourceLanguage,
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LanguageType targetLanguage,
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ConversionOptions? options = null)
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{
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var request = new ConversionRequest
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// 记录转换开始
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result.Report.TransformationLog.Add(new TransformationLogEntry
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{
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SourceCode = sourceCode,
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SourceLanguage = sourceLanguage,
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TargetLanguage = targetLanguage,
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Options = options
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};
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Timestamp = DateTime.UtcNow,
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Operation = "转换开始",
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Details = $"{request.SourceLanguage} -> {request.TargetLanguage}",
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Level = "Info"
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});
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return await ConvertAsync(request, CancellationToken.None);
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}
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/// <summary>
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/// 转换代码
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/// </summary>
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public async Task<ConversionResult> ConvertAsync(ConversionRequest request, CancellationToken cancellationToken = default)
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{
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var key = (request.SourceLanguage, request.TargetLanguage);
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// 1. 解析源代码
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var parser = GetParserForLanguage(sourceLang);
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var syntaxTree = await parser.ParseAsync(request.SourceCode);
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if (!_converters.TryGetValue(key, out var converter))
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result.Report.TransformationLog.Add(new TransformationLogEntry
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{
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return new ConversionResult
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{
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Success = false,
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ErrorMessage = $"Conversion from {request.SourceLanguage} to {request.TargetLanguage} is not supported"
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};
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Timestamp = DateTime.UtcNow,
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Operation = "语法解析",
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Details = $"解析 {syntaxTree.Root?.Children?.Count ?? 0} 个语法节点",
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Level = "Info"
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});
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// 2. 执行转换
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var converterResult = await _converter.ConvertAsync(syntaxTree, targetLang, request.Options);
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// 保存转换日志（在合并前）
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var conversionLogs = new List<TransformationLogEntry>(result.Report.TransformationLog);
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// 合并结果
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result.Success = converterResult.Success;
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result.TransformedCode = converterResult.TransformedCode;
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result.ErrorMessage = converterResult.ErrorMessage;
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if (converterResult.Report != null)
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{
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result.Report.LinesConverted = converterResult.Report.LinesConverted;
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result.Report.ClassesConverted = converterResult.Report.ClassesConverted;
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result.Report.MethodsConverted = converterResult.Report.MethodsConverted;
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result.Report.IssueCount = converterResult.Report.IssueCount;
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}
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try
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// 恢复转换日志
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result.Report.TransformationLog = conversionLogs;
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result.Report.TransformationLog.Add(new TransformationLogEntry
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{
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// 解析源代码
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var parser = CreateParser(request.SourceLanguage);
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if (parser == null)
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{
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return new ConversionResult
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{
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Success = false,
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ErrorMessage = $"Parser for {request.SourceLanguage} is not available"
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};
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}
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var syntaxTree = await parser.ParseAsync(request.SourceCode, cancellationToken);
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// 执行转换
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var result = await converter.ConvertAsync(syntaxTree, request.TargetLanguage, request.Options, cancellationToken);
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// 执行验证（仅当目标语言是 C# 时）
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if (result.Success && request.TargetLanguage == LanguageType.CSharp && request.ValidationRounds > 0)
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{
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var validationSummary = await _validationPipeline.ValidateAsync(
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result.TransformedCode,
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request.TargetLanguage,
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request.ValidationRounds,
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cancellationToken);
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result.ValidationSummary = validationSummary;
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if (!validationSummary.Passed)
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{
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result.Success = false;
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result.ErrorMessage = $"Validation failed after {validationSummary.RoundsExecuted} rounds";
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}
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}
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return result;
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}
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catch (Exception ex)
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Timestamp = DateTime.UtcNow,
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Operation = "代码转换",
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Details = $"转换 {result.Report.LinesConverted} 行代码",
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Level = "Info"
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});
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// 3. 自动格式化
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if (request.Options.AutoFormat && !string.IsNullOrEmpty(result.TransformedCode))
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{
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return new ConversionResult
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result.Report.TransformationLog.Add(new TransformationLogEntry
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{
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Success = false,
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ErrorMessage = $"Conversion failed: {ex.Message}"
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};
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Timestamp = DateTime.UtcNow,
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Operation = "代码格式化",
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Details = $"格式化 {targetLang.ToName()} 代码",
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Level = "Info"
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});
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result.TransformedCode = await _formatter.FormatAsync(result.TransformedCode, targetLang.ToName());
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}
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// 4. 生成 TODO 项
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var todoItems = _todoGenerator.GenerateTodos(request.SourceCode, sourceLang, targetLang);
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result.Report.TodoItems = todoItems;
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result.Report.TodoCount = todoItems.Count;
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if (todoItems.Count > 0)
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{
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result.Report.TransformationLog.Add(new TransformationLogEntry
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{
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Timestamp = DateTime.UtcNow,
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Operation = "生成 TODO",
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Details = $"发现 {todoItems.Count} 个需要手动处理的结构",
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Level = "Warning"
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});
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}
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// 记录转换完成
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result.Report.TransformationLog.Add(new TransformationLogEntry
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{
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Timestamp = DateTime.UtcNow,
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Operation = "转换完成",
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Details = $"总耗时 {(DateTime.UtcNow - startTime).TotalMilliseconds:F0}ms",
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Level = "Info"
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});
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}
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catch (Exception ex)
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{
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result.Success = false;
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result.ErrorMessage = ex.Message;
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result.Report.TransformationLog.Add(new TransformationLogEntry
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{
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Timestamp = DateTime.UtcNow,
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Operation = "转换错误",
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Details = ex.Message,
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Level = "Error",
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Code = ex.StackTrace?.Substring(0, Math.Min(500, ex.StackTrace.Length)) ?? ""
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});
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}
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private IParser? CreateParser(LanguageType language)
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return result;
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}
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public async Task<ConversionResult> ConvertAsync(string sourceCode, string sourceLanguage, string targetLanguage, ConversionOptions options)
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{
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var request = new ConversionRequest
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{
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SourceCode = sourceCode,
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SourceLanguage = sourceLanguage,
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TargetLanguage = targetLanguage,
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Options = options
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};
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return await ConvertAsync(request);
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}
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private IParser GetParserForLanguage(LanguageType language)
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{
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return language switch
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{
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LanguageType.CSharp => new CSharpParser(),
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LanguageType.Java => new JavaParser(),
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_ => null
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LanguageType.CSharp => new Parsers.CSharpParser(),
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LanguageType.Java => new Parsers.JavaParser(),
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LanguageType.CPlusPlus => new Parsers.CppParser(),
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_ => new Parsers.CSharpParser()
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};
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}
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/// <summary>
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/// 检查是否支持指定的语言转换
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/// </summary>
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public bool IsConversionSupported(LanguageType source, LanguageType target)
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{
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return _converters.ContainsKey((source, target));
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}
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/// <summary>
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/// 获取支持的语言转换列表
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/// </summary>
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public List<(LanguageType Source, LanguageType Target)> GetSupportedConversions()
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{
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return _converters.Keys.ToList();
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}
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}
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