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Produce analyzer errors for invalid generic arguments in converters and validators

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Closes #103
This commit is contained in:
Oleksii Holub
2022-04-16 22:54:11 +00:00
committed by GitHub
parent c7015181e1
commit 41cb8647b5
20 changed files with 188 additions and 61 deletions
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18
CliFx.Analyzers/Utils/Extensions/RoslynExtensions.cs
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@@ -1,4 +1,6 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
@@ -16,6 +18,22 @@ internal static class RoslynExtensions
StringComparison.Ordinal
);
public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol type)
{
var current = type.BaseType;
while (current is not null)
{
yield return current;
current = current.BaseType;
}
}
public static bool IsAssignableFrom(this ITypeSymbol target, ITypeSymbol source) =>
SymbolEqualityComparer.Default.Equals(target, source) ||
source.GetBaseTypes().Contains(target, SymbolEqualityComparer.Default) ||
source.AllInterfaces.Contains(target, SymbolEqualityComparer.Default);
public static void HandleClassDeclaration(
this AnalysisContext analysisContext,
Action<SyntaxNodeAnalysisContext, ClassDeclarationSyntax, ITypeSymbol> analyze)