58 lines
1.9 KiB
C#
58 lines
1.9 KiB
C#
using System.Collections.Immutable;
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using System.Text;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp.Syntax;
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using Microsoft.CodeAnalysis.Text;
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namespace Nebula.SourceGenerators;
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//[Generator]
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public class ViewConstructGenerator : IIncrementalGenerator
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{
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public static string ViewForModelAttributeName = "ViewForModelAttribute";
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public void Initialize(IncrementalGeneratorInitializationContext context)
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{
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var provider = context.SyntaxProvider
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.CreateSyntaxProvider(
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(s, _) => s is ClassDeclarationSyntax, (ctx, _) =>
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SourceHelper.GetClassDeclarationForSourceGen(ctx,ViewForModelAttributeName)
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)
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.Where(t => t.reportAttributeFound)
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.Select((t,_) => t.Item1);
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context.RegisterSourceOutput(context.CompilationProvider.Combine(provider.Collect()), (ctx,t)=> GenerateCode(ctx, t.Left, t.Right));
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}
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private void GenerateCode(SourceProductionContext context, Compilation compilation, ImmutableArray<ClassDeclarationSyntax> syntaxes)
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{
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foreach (var classDeclarationSyntax in syntaxes)
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{
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var semanticModel = compilation.GetSemanticModel(classDeclarationSyntax.SyntaxTree);
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if(semanticModel.GetDeclaredSymbol(classDeclarationSyntax) is not INamedTypeSymbol classSymbol)
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continue;
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var namespaceName = classSymbol.ContainingNamespace.ToDisplayString();
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var className = classDeclarationSyntax.Identifier.Text;
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var code = $@"// <auto-generated/>
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using System;
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using System.Collections.Generic;
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namespace {namespaceName};
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partial class {className}
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{{
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public {className}() : base(){{
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}}
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}}
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";
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// Add the source code to the compilation.
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context.AddSource($"{className}.g.cs", SourceText.From(code, Encoding.UTF8));
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}
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}
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} |