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Merge pull request #39 from dotnet-campus/t/lindexi/TelescopeExport
源代码生成类型的方法导出功能
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18 changes: 18 additions & 0 deletions
18
src/TelescopeSourceGenerator/Analyzers/Core/AccessibilityHelper.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| using Microsoft.CodeAnalysis; | ||
| using System; | ||
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| namespace dotnetCampus.Telescope.SourceGeneratorAnalyzers.Core; | ||
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| static class AccessibilityHelper | ||
| { | ||
| public static string ToCSharpCode(this Accessibility accessibility) | ||
| => accessibility switch | ||
| { | ||
| Accessibility.Public => "public", | ||
| Accessibility.Private => "private", | ||
| Accessibility.Internal => "internal", | ||
| Accessibility.Protected => "protected", | ||
| Accessibility.ProtectedAndInternal => "private protected", | ||
| _ => string.Empty | ||
| }; | ||
| } |
36 changes: 36 additions & 0 deletions
36
src/TelescopeSourceGenerator/Analyzers/Core/AssemblyInfo.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| using System.Reflection; | ||
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| namespace dotnetCampus.Telescope.SourceGeneratorAnalyzers.Core; | ||
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| internal static class AssemblyInfo | ||
| { | ||
| public static string ToolName => | ||
| Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyProductAttribute>().Product; | ||
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| public static string ToolVersion => | ||
| Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>() | ||
| .InformationalVersion; | ||
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| /// <summary> | ||
| /// 如果需要为类加上 <see cref="System.CodeDom.Compiler.GeneratedCodeAttribute"/>，则使用此字符串。 | ||
| /// </summary> | ||
| public static string GeneratedCodeAttribute => | ||
| $@"[global::System.CodeDom.Compiler.GeneratedCode(""{ToolName}"", ""{ToolVersion}"")]"; | ||
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| /// <summary> | ||
| /// 获取可以为每一个生成的文件都增加的文件头。 | ||
| /// </summary> | ||
| public const string GeneratedCodeComment = | ||
| $@"//------------------------------------------------------------------------------ | ||
| // <auto-generated> | ||
| // 此代码由工具生成。 | ||
| // | ||
| // 对此文件的更改可能会导致不正确的行为，并且如果 | ||
| // 重新生成代码，这些更改将会丢失。 | ||
| // </auto-generated> | ||
| //------------------------------------------------------------------------------ | ||
| #define GENERATED_CODE | ||
| "; | ||
| } |
92 changes: 92 additions & 0 deletions
92
src/TelescopeSourceGenerator/Analyzers/Core/AssemblySymbolHelper.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| using Microsoft.CodeAnalysis; | ||
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| using System.Collections.Generic; | ||
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| namespace dotnetCampus.Telescope.SourceGeneratorAnalyzers.Core; | ||
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| static class AssemblySymbolHelper | ||
| { | ||
| /// <summary> | ||
| /// 获取当前程序集里面的所有类型 | ||
| /// </summary> | ||
| /// <param name="assemblySymbol"></param> | ||
| /// <returns></returns> | ||
| public static IEnumerable<INamedTypeSymbol> GetAllTypeSymbols(IAssemblySymbol assemblySymbol) => GetAllTypeSymbols(assemblySymbol.GlobalNamespace); | ||
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| public static IEnumerable<INamedTypeSymbol> GetAllTypeSymbols(INamespaceSymbol namespaceSymbol) | ||
| { | ||
| var typeMemberList = namespaceSymbol.GetTypeMembers(); | ||
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| foreach (var typeSymbol in typeMemberList) | ||
| { | ||
| yield return typeSymbol; | ||
| } | ||
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| foreach (var namespaceMember in namespaceSymbol.GetNamespaceMembers()) | ||
| { | ||
| foreach (var typeSymbol in GetAllTypeSymbols(namespaceMember)) | ||
| { | ||
| yield return typeSymbol; | ||
| } | ||
| } | ||
| } | ||
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| public static bool IsReference(IAssemblySymbol currentAssemblySymbol, IAssemblySymbol requiredAssemblySymbol) | ||
| { | ||
| var visited = new Dictionary<IAssemblySymbol, bool /*是否引用*/>(SymbolEqualityComparer.Default); | ||
| return IsReference(currentAssemblySymbol, requiredAssemblySymbol, visited); | ||
| } | ||
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| public static bool IsReference(IAssemblySymbol currentAssemblySymbol, IAssemblySymbol requiredAssemblySymbol, | ||
| Dictionary<IAssemblySymbol, bool /*是否引用*/> visited) | ||
| { | ||
| if (SymbolEqualityComparer.Default.Equals(currentAssemblySymbol, requiredAssemblySymbol)) | ||
| { | ||
| // 这个就看业务了，如果两个程序集是相同的，是否判断为引用关系 | ||
| return true; | ||
| } | ||
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| foreach (var moduleSymbol in currentAssemblySymbol.Modules) | ||
| { | ||
| foreach (var referencedAssemblySymbol in moduleSymbol.ReferencedAssemblySymbols) | ||
| { | ||
| if (SymbolEqualityComparer.Default.Equals(referencedAssemblySymbol, requiredAssemblySymbol)) | ||
| { | ||
| // 记录当前程序集存在引用关系 | ||
| visited[currentAssemblySymbol] = true; | ||
| return true; | ||
| } | ||
| else if (SymbolEqualityComparer.Default.Equals(referencedAssemblySymbol, currentAssemblySymbol)) | ||
| { | ||
| // 循环引用，跳过 | ||
| continue; | ||
| } | ||
| else | ||
| { | ||
| if (visited.TryGetValue(referencedAssemblySymbol, out var isReference)) | ||
| { | ||
| // 这个是访问过的，那就从字典获取缓存，不需要再访问一次 | ||
| // 同时也能解决程序集循环引用问题 | ||
| } | ||
| else | ||
| { | ||
| // 进入递归之前，先将自身设置到字典，先设置为没有引用。防止循环引用炸掉 | ||
| visited[referencedAssemblySymbol] = false; | ||
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| // 没有访问过的，获取引用的程序集是否存在引用关系 | ||
| isReference = IsReference(referencedAssemblySymbol, requiredAssemblySymbol, visited); | ||
| visited[referencedAssemblySymbol] = isReference; | ||
| } | ||
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| if (isReference) | ||
| { | ||
| // 如果这个程序集有引用，那也算上 | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| return false; | ||
| } | ||
| } |
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17 changes: 17 additions & 0 deletions
17
src/TelescopeSourceGenerator/Analyzers/Core/IncrementalValuesProviderHelper.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| using Microsoft.CodeAnalysis; | ||
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| namespace dotnetCampus.Telescope.SourceGeneratorAnalyzers.Core; | ||
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| static class IncrementalValuesProviderHelper | ||
| { | ||
| /// <summary> | ||
| /// 过滤掉空的值 | ||
| /// </summary> | ||
| /// <typeparam name="T"></typeparam> | ||
| /// <param name="provider"></param> | ||
| /// <returns></returns> | ||
| public static IncrementalValuesProvider<T> ExcludeNulls<T>(this IncrementalValuesProvider<T?> provider) | ||
| { | ||
| return provider.Where(static t => t != null).Select(static (t, _) => t!); | ||
| } | ||
| } |
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