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Add CompilerGeneratedAttribute to record members #58542

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merged 13 commits into from
Feb 8, 2022
Merged

Add CompilerGeneratedAttribute to record members #58542

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a9193c6
Add CompilerGeneratedAttribute to record members
Youssef1313 Dec 31, 2021
b6a6ddc
Update AttributeTests_Synthesized.cs
Youssef1313 Dec 31, 2021
6d92df1
Add CompilerGenerated to copy ctor
Youssef1313 Jan 2, 2022
48ab46b
Add more tests
Youssef1313 Jan 2, 2022
f149f32
Use MetadataImportOptions.All
Youssef1313 Jan 2, 2022
6078d4e
Skip PEVerify on Desktop builds
Youssef1313 Jan 2, 2022
305a01a
Merge branch 'main' into compiler-generated-attribute-records
Youssef1313 Jan 18, 2022
92d9a16
Address feedback
Youssef1313 Jan 18, 2022
8cdee37
Update RecordTests.cs
Youssef1313 Jan 19, 2022
8fead9c
Update per feedback
Youssef1313 Feb 5, 2022
fe466b6
Address feedback
Youssef1313 Feb 7, 2022
25bcf6a
skip verification
Youssef1313 Feb 8, 2022
ca4c539
Update AttributeTests_Synthesized.cs
Youssef1313 Feb 8, 2022
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11 changes: 11 additions & 0 deletions src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordCopyCtor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Diagnostics;
using Microsoft.CodeAnalysis.CSharp.Emit;
using Microsoft.CodeAnalysis.PooledObjects;

namespace Microsoft.CodeAnalysis.CSharp.Symbols
Expand Down Expand Up @@ -55,6 +57,15 @@ internal override void GenerateMethodBodyStatements(SyntheticBoundNodeFactory F,
}
}

internal override void AddSynthesizedAttributes(PEModuleBuilder moduleBuilder, ref ArrayBuilder<SynthesizedAttributeData> attributes)
{
base.AddSynthesizedAttributes(moduleBuilder, ref attributes);
Debug.Assert(IsImplicitlyDeclared);
var compilation = this.DeclaringCompilation;
AddSynthesizedAttribute(ref attributes, compilation.TrySynthesizeAttribute(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
Debug.Assert(WellKnownMembers.IsSynthesizedAttributeOptional(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
}
Comment on lines +60 to +67
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I can see a room for refactoring, since this block is repeated in many places (not only in this PR - but over the codebase)

For example, we can have a virtual property in Symbol:

protected virtual bool SynthesizeCompilerGeneratedAttribute => false;

and in the already-existing empty virtual AddSynthesizedAttributes method:

if (SynthesizeCompilerGeneratedAttribute)
{
    // Add this repeated code block here.
}

Let me know if the refactoring worth it, and (if yes) whether you want it in this PR or a separate one.


internal static MethodSymbol? FindCopyConstructor(NamedTypeSymbol containingType, NamedTypeSymbol within, ref CompoundUseSiteInfo<AssemblySymbol> useSiteInfo)
{
MethodSymbol? bestCandidate = null;
Expand Down
11 changes: 11 additions & 0 deletions ...lers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordEqualityOperatorBase.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,9 @@
using System.Diagnostics;
using System.Globalization;
using System.Threading;
using Microsoft.CodeAnalysis.CSharp.Emit;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.PooledObjects;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Symbols
Expand Down Expand Up @@ -73,5 +75,14 @@ protected sealed override (TypeWithAnnotations ReturnType, ImmutableArray<Parame
}

protected override int GetParameterCountFromSyntax() => 2;

internal override void AddSynthesizedAttributes(PEModuleBuilder moduleBuilder, ref ArrayBuilder<SynthesizedAttributeData> attributes)
{
base.AddSynthesizedAttributes(moduleBuilder, ref attributes);
Debug.Assert(IsImplicitlyDeclared);
var compilation = this.DeclaringCompilation;
AddSynthesizedAttribute(ref attributes, compilation.TrySynthesizeAttribute(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
Debug.Assert(WellKnownMembers.IsSynthesizedAttributeOptional(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
}
}
}
12 changes: 12 additions & 0 deletions src/Compilers/CSharp/Portable/Symbols/Synthesized/Records/SynthesizedRecordOrdinaryMethod.cs
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Expand Up @@ -3,9 +3,12 @@
// See the LICENSE file in the project root for more information.

using System.Collections.Immutable;
using System.Diagnostics;
using System.Globalization;
using System.Threading;
using Microsoft.CodeAnalysis.CSharp.Emit;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.PooledObjects;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Symbols
Expand Down Expand Up @@ -60,6 +63,15 @@ protected sealed override void CheckConstraintsForExplicitInterfaceType(Conversi
{
}

internal override void AddSynthesizedAttributes(PEModuleBuilder moduleBuilder, ref ArrayBuilder<SynthesizedAttributeData> attributes)
{
base.AddSynthesizedAttributes(moduleBuilder, ref attributes);
Debug.Assert(IsImplicitlyDeclared);
var compilation = this.DeclaringCompilation;
AddSynthesizedAttribute(ref attributes, compilation.TrySynthesizeAttribute(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
Debug.Assert(WellKnownMembers.IsSynthesizedAttributeOptional(WellKnownMember.System_Runtime_CompilerServices_CompilerGeneratedAttribute__ctor));
}

protected sealed override SourceMemberMethodSymbol? BoundAttributesSource => null;

internal sealed override OneOrMany<SyntaxList<AttributeListSyntax>> GetAttributeDeclarations() => OneOrMany.Create(default(SyntaxList<AttributeListSyntax>));
Expand Down
4 changes: 3 additions & 1 deletion src/Compilers/CSharp/Test/Emit/Emit/EditAndContinue/EditAndContinueTests.cs
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Expand Up @@ -12896,14 +12896,16 @@ protected virtual bool PrintMembers(System.Text.StringBuilder builder)
Row(4, TableIndex.TypeSpec, EditAndContinueOperation.Default),
Row(3, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(10, TableIndex.MethodDef, EditAndContinueOperation.Default), // R.PrintMembers
Row(3, TableIndex.Param, EditAndContinueOperation.Default));
Row(3, TableIndex.Param, EditAndContinueOperation.Default),
Row(21, TableIndex.CustomAttribute, EditAndContinueOperation.Default));

CheckEncMap(reader1,
Handle(20, TableIndex.TypeRef),
Handle(21, TableIndex.TypeRef),
Handle(22, TableIndex.TypeRef),
Handle(10, TableIndex.MethodDef),
Handle(3, TableIndex.Param),
Handle(21, TableIndex.CustomAttribute),
Handle(3, TableIndex.StandAloneSig),
Handle(4, TableIndex.TypeSpec),
Handle(2, TableIndex.AssemblyRef));
Expand Down
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