Files
monkeycode-ai db536cfb2c 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>
2026-06-16 07:08:11 +00:00

90 lines
3.3 KiB
C#

using System.Text;
using CodePlay.Core.Interfaces;
using CodePlay.Core.Common;
namespace CodePlay.Core.Converters;
public class CppCodeGenerator : ICodeGenerator
{
private StringBuilder _out = new();
private int _indent;
public string Generate(SyntaxTree tree)
{
_out.Clear(); _indent = 0;
_out.AppendLine("#include <iostream>");
_out.AppendLine("#include <string>");
_out.AppendLine("#include <vector>");
_out.AppendLine("#include <map>");
_out.AppendLine("#include <memory>");
_out.AppendLine("#include <future>");
_out.AppendLine();
GenNode(tree.Root);
return _out.ToString();
}
void GenNode(SyntaxNode n)
{
if (n.Type == SyntaxNodeType.Unknown && !string.IsNullOrWhiteSpace(n.Text))
{
foreach (var line in n.Text.Split('\n'))
{
var t = line.Trim();
if (!string.IsNullOrEmpty(t) && !t.StartsWith("{") && !t.StartsWith("}"))
_out.AppendLine(IndentLine(t));
}
return;
}
switch (n.Type)
{
case SyntaxNodeType.CompilationUnit:
foreach (var c in n.Children) GenNode(c);
break;
case SyntaxNodeType.Namespace:
var ns = System.Text.RegularExpressions.Regex.Match(n.Text, @"namespace\s+([\w.]+)").Groups[1].Value;
_out.AppendLine($"namespace {ns} {{"); _indent++;
foreach (var c in n.Children) GenNode(c);
_indent--; _out.AppendLine("}");
break;
case SyntaxNodeType.Class:
var cls = n.Text.Trim();
var brace = cls.IndexOf('{'); if (brace > 0) cls = cls.Substring(0, brace);
_out.AppendLine(IndentLine($"class {cls.Replace("public ", "")} {{"));
_out.AppendLine(IndentLine("public:"));
_indent++;
foreach (var c in n.Children) GenNode(c);
_indent--;
_out.AppendLine(IndentLine("};")); _out.AppendLine();
break;
case SyntaxNodeType.Method:
var sig = n.Text.Split('\n').First().Trim();
if (sig.EndsWith("{")) sig = sig[..^1].Trim();
_out.AppendLine(IndentLine($"{sig} {{"));
_indent++;
var body = string.Join('\n', n.Text.Split('{', '}').Skip(1)).Trim();
foreach (var l in body.Split('\n')) if (!string.IsNullOrWhiteSpace(l)) _out.AppendLine(IndentLine(l.Trim()));
_indent--;
_out.AppendLine(IndentLine("}")); _out.AppendLine();
break;
case SyntaxNodeType.Field:
case SyntaxNodeType.Property:
if (!string.IsNullOrWhiteSpace(n.Text)) _out.AppendLine(IndentLine(n.Text.Trim()));
break;
default:
if (!string.IsNullOrWhiteSpace(n.Text))
_out.AppendLine(IndentLine(n.Text.Trim()));
foreach (var c in n.Children) GenNode(c);
break;
}
}
string IndentLine(string t)
{
var spaces = string.Concat(Enumerable.Repeat(" ", _indent * 2));
return spaces + t;
}
}