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* Add single-file analyzer * Add tests * Use str constant * Update Resources * Update tests * PR feedback * Remove mysterious filename from comments * Add helper method for single-file diagnostic verification * Refactor MSBuild properties * Add test with PublishSingleFile not set
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// Licensed to the .NET Foundation under one or more agreements. | ||
// The .NET Foundation licenses this file to you under the MIT license. | ||
// See the LICENSE file in the project root for more information. | ||
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using System.Linq; | ||
using Microsoft.CodeAnalysis; | ||
using Microsoft.CodeAnalysis.Diagnostics; | ||
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namespace ILLink.RoslynAnalyzer | ||
{ | ||
internal static class AnalyzerOptionsExtensions | ||
{ | ||
public static string? GetMSBuildPropertyValue ( | ||
this AnalyzerOptions options, | ||
string optionName, | ||
Compilation compilation) | ||
{ | ||
// MSBuild property values should be set at compilation level, and cannot have different values per-tree. | ||
// So, we default to first syntax tree. | ||
var tree = compilation.SyntaxTrees.FirstOrDefault (); | ||
if (tree is null) { | ||
return null; | ||
} | ||
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return options.AnalyzerConfigOptionsProvider.GlobalOptions.TryGetValue ( | ||
$"build_property.{optionName}", out var value) | ||
? value | ||
: null; | ||
} | ||
} | ||
} |
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// Licensed to the .NET Foundation under one or more agreements. | ||
// The .NET Foundation licenses this file to you under the MIT license. | ||
// See the LICENSE file in the project root for more information. | ||
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namespace ILLink.RoslynAnalyzer | ||
{ | ||
internal static class DiagnosticCategory | ||
{ | ||
public const string SingleFile = nameof (SingleFile); | ||
public const string Trimming = nameof (Trimming); | ||
} | ||
} |
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// Licensed to the .NET Foundation under one or more agreements. | ||
// The .NET Foundation licenses this file to you under the MIT license. | ||
// See the LICENSE file in the project root for more information. | ||
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namespace ILLink.RoslynAnalyzer | ||
{ | ||
public static class MSBuildPropertyOptionNames | ||
{ | ||
public const string PublishSingleFile = nameof (PublishSingleFile); | ||
public const string IncludeAllContentForSelfExtract = nameof (IncludeAllContentForSelfExtract); | ||
public const string PublishTrimmed = nameof (PublishTrimmed); | ||
} | ||
} |
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// Licensed to the .NET Foundation under one or more agreements. | ||
// The .NET Foundation licenses this file to you under the MIT license. | ||
// See the LICENSE file in the project root for more information. | ||
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using System; | ||
using System.Collections.Generic; | ||
using System.Collections.Immutable; | ||
using Microsoft.CodeAnalysis; | ||
using Microsoft.CodeAnalysis.Diagnostics; | ||
using Microsoft.CodeAnalysis.Operations; | ||
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namespace ILLink.RoslynAnalyzer | ||
{ | ||
/// <summary> | ||
/// IL3000, IL3001: Do not use Assembly file path in single-file publish | ||
/// </summary> | ||
[DiagnosticAnalyzer (LanguageNames.CSharp, LanguageNames.VisualBasic)] | ||
public sealed class AvoidAssemblyLocationInSingleFile : DiagnosticAnalyzer | ||
{ | ||
public const string IL3000 = nameof (IL3000); | ||
public const string IL3001 = nameof (IL3001); | ||
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private static readonly DiagnosticDescriptor LocationRule = new DiagnosticDescriptor ( | ||
IL3000, | ||
new LocalizableResourceString (nameof (Resources.AvoidAssemblyLocationInSingleFileTitle), | ||
Resources.ResourceManager, typeof (Resources)), | ||
new LocalizableResourceString (nameof (Resources.AvoidAssemblyLocationInSingleFileMessage), | ||
Resources.ResourceManager, typeof (Resources)), | ||
DiagnosticCategory.SingleFile, | ||
DiagnosticSeverity.Warning, | ||
isEnabledByDefault: true); | ||
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private static readonly DiagnosticDescriptor GetFilesRule = new DiagnosticDescriptor ( | ||
IL3001, | ||
new LocalizableResourceString (nameof (Resources.AvoidAssemblyGetFilesInSingleFileTitle), | ||
Resources.ResourceManager, typeof (Resources)), | ||
new LocalizableResourceString (nameof (Resources.AvoidAssemblyGetFilesInSingleFileMessage), | ||
Resources.ResourceManager, typeof (Resources)), | ||
DiagnosticCategory.SingleFile, | ||
DiagnosticSeverity.Warning, | ||
isEnabledByDefault: true); | ||
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public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics => ImmutableArray.Create (LocationRule, GetFilesRule); | ||
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public override void Initialize (AnalysisContext context) | ||
{ | ||
context.EnableConcurrentExecution (); | ||
context.ConfigureGeneratedCodeAnalysis (GeneratedCodeAnalysisFlags.ReportDiagnostics); | ||
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context.RegisterCompilationStartAction (context => { | ||
var compilation = context.Compilation; | ||
var isSingleFilePublish = context.Options.GetMSBuildPropertyValue (MSBuildPropertyOptionNames.PublishSingleFile, compilation); | ||
if (!string.Equals (isSingleFilePublish?.Trim (), "true", StringComparison.OrdinalIgnoreCase)) { | ||
return; | ||
} | ||
var includesAllContent = context.Options.GetMSBuildPropertyValue (MSBuildPropertyOptionNames.IncludeAllContentForSelfExtract, compilation); | ||
if (string.Equals (includesAllContent?.Trim (), "true", StringComparison.OrdinalIgnoreCase)) { | ||
return; | ||
} | ||
var propertiesBuilder = ImmutableArray.CreateBuilder<IPropertySymbol> (); | ||
var methodsBuilder = ImmutableArray.CreateBuilder<IMethodSymbol> (); | ||
var assemblyType = compilation.GetTypeByMetadataName ("System.Reflection.Assembly"); | ||
if (assemblyType != null) { | ||
// properties | ||
AddIfNotNull (propertiesBuilder, TryGetSingleSymbol<IPropertySymbol> (assemblyType.GetMembers ("Location"))); | ||
// methods | ||
methodsBuilder.AddRange (assemblyType.GetMembers ("GetFile").OfType<IMethodSymbol> ()); | ||
methodsBuilder.AddRange (assemblyType.GetMembers ("GetFiles").OfType<IMethodSymbol> ()); | ||
} | ||
var assemblyNameType = compilation.GetTypeByMetadataName ("System.Reflection.AssemblyName"); | ||
if (assemblyNameType != null) { | ||
AddIfNotNull (propertiesBuilder, TryGetSingleSymbol<IPropertySymbol> (assemblyNameType.GetMembers ("CodeBase"))); | ||
AddIfNotNull (propertiesBuilder, TryGetSingleSymbol<IPropertySymbol> (assemblyNameType.GetMembers ("EscapedCodeBase"))); | ||
} | ||
var properties = propertiesBuilder.ToImmutable (); | ||
var methods = methodsBuilder.ToImmutable (); | ||
context.RegisterOperationAction (operationContext => { | ||
var access = (IPropertyReferenceOperation) operationContext.Operation; | ||
var property = access.Property; | ||
if (!Contains (properties, property, SymbolEqualityComparer.Default)) { | ||
return; | ||
} | ||
operationContext.ReportDiagnostic (Diagnostic.Create (LocationRule, access.Syntax.GetLocation (), property)); | ||
}, OperationKind.PropertyReference); | ||
context.RegisterOperationAction (operationContext => { | ||
var invocation = (IInvocationOperation) operationContext.Operation; | ||
var targetMethod = invocation.TargetMethod; | ||
if (!Contains (methods, targetMethod, SymbolEqualityComparer.Default)) { | ||
return; | ||
} | ||
operationContext.ReportDiagnostic (Diagnostic.Create (GetFilesRule, invocation.Syntax.GetLocation (), targetMethod)); | ||
}, OperationKind.Invocation); | ||
return; | ||
static bool Contains<T, TComp> (ImmutableArray<T> list, T elem, TComp comparer) | ||
where TComp : IEqualityComparer<T> | ||
{ | ||
foreach (var e in list) { | ||
if (comparer.Equals (e, elem)) { | ||
return true; | ||
} | ||
} | ||
return false; | ||
} | ||
static TSymbol? TryGetSingleSymbol<TSymbol> (ImmutableArray<ISymbol> members) where TSymbol : class, ISymbol | ||
{ | ||
TSymbol? candidate = null; | ||
foreach (var m in members) { | ||
if (m is TSymbol tsym) { | ||
if (candidate is null) { | ||
candidate = tsym; | ||
} else { | ||
return null; | ||
} | ||
} | ||
} | ||
return candidate; | ||
} | ||
static void AddIfNotNull<TSymbol> (ImmutableArray<TSymbol>.Builder properties, TSymbol? p) where TSymbol : class, ISymbol | ||
{ | ||
if (p != null) { | ||
properties.Add (p); | ||
} | ||
} | ||
}); | ||
} | ||
} | ||
} |
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