CodeGenerationSymbolFactory.cs

// 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.
 
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using Microsoft.CodeAnalysis.Shared.Extensions;
 
#if CODE_STYLE
using Microsoft.CodeAnalysis.Internal.Editing;
#else
using Microsoft.CodeAnalysis.Editing;
#endif
 
namespace Microsoft.CodeAnalysis.CodeGeneration;
 
/// <summary>
/// Generates symbols that describe declarations to be generated.
/// </summary>
internal static class CodeGenerationSymbolFactory
{
    /// <summary>
    /// Determines if the symbol is purely a code generation symbol.
    /// </summary>
    public static bool IsCodeGenerationSymbol(this ISymbol symbol)
        => symbol is CodeGenerationSymbol;
 
    /// <summary>
    /// Creates an event symbol that can be used to describe an event declaration.
    /// </summary>
    public static IEventSymbol CreateEventSymbol(
        ImmutableArray<AttributeData> attributes, Accessibility accessibility,
        DeclarationModifiers modifiers, ITypeSymbol type,
        ImmutableArray<IEventSymbol> explicitInterfaceImplementations,
        string name,
        IMethodSymbol? addMethod = null,
        IMethodSymbol? removeMethod = null,
        IMethodSymbol? raiseMethod = null)
    {
        var result = new CodeGenerationEventSymbol(null, attributes, accessibility, modifiers, type, explicitInterfaceImplementations, name, addMethod, removeMethod, raiseMethod);
        CodeGenerationEventInfo.Attach(result, modifiers.IsUnsafe);
        return result;
    }
 
    internal static IPropertySymbol CreatePropertySymbol(
        INamedTypeSymbol? containingType,
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        ITypeSymbol type,
        RefKind refKind,
        ImmutableArray<IPropertySymbol> explicitInterfaceImplementations,
        string name,
        ImmutableArray<IParameterSymbol> parameters,
        IMethodSymbol? getMethod,
        IMethodSymbol? setMethod,
        bool isIndexer = false,
        SyntaxNode? initializer = null)
    {
        var result = new CodeGenerationPropertySymbol(
            containingType,
            attributes,
            accessibility,
            modifiers,
            type,
            refKind,
            explicitInterfaceImplementations,
            name,
            isIndexer,
            parameters,
            getMethod,
            setMethod);
        CodeGenerationPropertyInfo.Attach(result, modifiers.IsNew, modifiers.IsUnsafe, initializer);
        return result;
    }
 
    /// <summary>
    /// Creates a property symbol that can be used to describe a property declaration.
    /// </summary>
    public static IPropertySymbol CreatePropertySymbol(
        ImmutableArray<AttributeData> attributes, Accessibility accessibility, DeclarationModifiers modifiers,
        ITypeSymbol type, RefKind refKind, ImmutableArray<IPropertySymbol> explicitInterfaceImplementations, string name,
        ImmutableArray<IParameterSymbol> parameters, IMethodSymbol? getMethod, IMethodSymbol? setMethod,
        bool isIndexer = false, SyntaxNode? initializer = null)
    {
        return CreatePropertySymbol(
            containingType: null,
            attributes: attributes,
            accessibility: accessibility,
            modifiers: modifiers,
            type: type,
            refKind: refKind,
            explicitInterfaceImplementations: explicitInterfaceImplementations,
            name: name,
            parameters: parameters,
            getMethod: getMethod,
            setMethod: setMethod,
            isIndexer: isIndexer,
            initializer: initializer);
    }
 
    /// <summary>
    /// Creates a field symbol that can be used to describe a field declaration.
    /// </summary>
    public static IFieldSymbol CreateFieldSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        ITypeSymbol type, string name,
        bool hasConstantValue = false,
        object? constantValue = null,
        SyntaxNode? initializer = null)
    {
        var result = new CodeGenerationFieldSymbol(null, attributes, accessibility, modifiers, type, name, hasConstantValue, constantValue);
        CodeGenerationFieldInfo.Attach(result, modifiers.IsUnsafe, modifiers.IsWithEvents, initializer);
        return result;
    }
 
    /// <summary>
    /// Creates a constructor symbol that can be used to describe a constructor declaration.
    /// </summary>
    public static IMethodSymbol CreateConstructorSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        string typeName,
        ImmutableArray<IParameterSymbol> parameters,
        ImmutableArray<SyntaxNode> statements = default,
        ImmutableArray<SyntaxNode> baseConstructorArguments = default,
        ImmutableArray<SyntaxNode> thisConstructorArguments = default,
        bool isPrimaryConstructor = false)
    {
        var result = new CodeGenerationConstructorSymbol(null, attributes, accessibility, modifiers, parameters);
        CodeGenerationConstructorInfo.Attach(result, isPrimaryConstructor, modifiers.IsUnsafe, typeName, statements, baseConstructorArguments, thisConstructorArguments);
        return result;
    }
 
    /// <summary>
    /// Creates a destructor symbol that can be used to describe a destructor declaration.
    /// </summary>
    public static IMethodSymbol CreateDestructorSymbol(
        ImmutableArray<AttributeData> attributes, string typeName,
        ImmutableArray<SyntaxNode> statements = default)
    {
        var result = new CodeGenerationDestructorSymbol(null, attributes);
        CodeGenerationDestructorInfo.Attach(result, typeName, statements);
        return result;
    }
 
    internal static IMethodSymbol CreateMethodSymbol(
        INamedTypeSymbol? containingType,
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        ITypeSymbol? returnType,
        RefKind refKind,
        ImmutableArray<IMethodSymbol> explicitInterfaceImplementations,
        string name,
        ImmutableArray<ITypeParameterSymbol> typeParameters,
        ImmutableArray<IParameterSymbol> parameters,
        ImmutableArray<SyntaxNode> statements = default,
        ImmutableArray<SyntaxNode> handlesExpressions = default,
        ImmutableArray<AttributeData> returnTypeAttributes = default,
        MethodKind methodKind = MethodKind.Ordinary,
        bool isInitOnly = false)
    {
        var result = new CodeGenerationMethodSymbol(containingType, attributes, accessibility, modifiers, returnType, refKind, explicitInterfaceImplementations, name, typeParameters, parameters, returnTypeAttributes, documentationCommentXml: null, methodKind, isInitOnly);
        CodeGenerationMethodInfo.Attach(result, modifiers.IsNew, modifiers.IsUnsafe, modifiers.IsPartial, modifiers.IsAsync, statements, handlesExpressions);
        return result;
    }
 
    /// <summary>
    /// Creates a method symbol that can be used to describe a method declaration.
    /// </summary>
    public static IMethodSymbol CreateMethodSymbol(
        ImmutableArray<AttributeData> attributes, Accessibility accessibility, DeclarationModifiers modifiers,
        ITypeSymbol? returnType,
        RefKind refKind,
        ImmutableArray<IMethodSymbol> explicitInterfaceImplementations,
        string name, ImmutableArray<ITypeParameterSymbol> typeParameters,
        ImmutableArray<IParameterSymbol> parameters,
        ImmutableArray<SyntaxNode> statements = default,
        ImmutableArray<SyntaxNode> handlesExpressions = default,
        ImmutableArray<AttributeData> returnTypeAttributes = default,
        MethodKind methodKind = MethodKind.Ordinary,
        bool isInitOnly = false)
    {
        return CreateMethodSymbol(null, attributes, accessibility, modifiers, returnType, refKind, explicitInterfaceImplementations, name, typeParameters, parameters, statements, handlesExpressions, returnTypeAttributes, methodKind, isInitOnly);
    }
 
    /// <summary>
    /// Creates a method symbol that can be used to describe an operator declaration.
    /// </summary>
    public static IMethodSymbol CreateOperatorSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        ITypeSymbol returnType,
        CodeGenerationOperatorKind operatorKind,
        ImmutableArray<IParameterSymbol> parameters,
        ImmutableArray<SyntaxNode> statements = default,
        ImmutableArray<AttributeData> returnTypeAttributes = default,
        string? documentationCommentXml = null)
    {
        var expectedParameterCount = CodeGenerationOperatorSymbol.GetParameterCount(operatorKind);
        if (parameters.Length != expectedParameterCount)
        {
            var message = expectedParameterCount == 1
                ? WorkspaceExtensionsResources.Invalid_number_of_parameters_for_unary_operator
                : WorkspaceExtensionsResources.Invalid_number_of_parameters_for_binary_operator;
            throw new ArgumentException(message, nameof(parameters));
        }
 
        var result = new CodeGenerationOperatorSymbol(null, attributes, accessibility, modifiers, returnType, operatorKind, parameters, returnTypeAttributes, documentationCommentXml);
        CodeGenerationMethodInfo.Attach(result, modifiers.IsNew, modifiers.IsUnsafe, modifiers.IsPartial, modifiers.IsAsync, statements, handlesExpressions: default);
        return result;
    }
 
    /// <summary>
    /// Creates a method symbol that can be used to describe a conversion declaration.
    /// </summary>
    public static IMethodSymbol CreateConversionSymbol(
        ITypeSymbol toType,
        IParameterSymbol fromType,
        INamedTypeSymbol? containingType = null,
        bool isImplicit = false,
        ImmutableArray<SyntaxNode> statements = default,
        ImmutableArray<AttributeData> toTypeAttributes = default,
        string? documentationCommentXml = null)
    {
        return CreateConversionSymbol(
            attributes: default,
            accessibility: Accessibility.Public,
            DeclarationModifiers.Static,
            toType,
            fromType,
            containingType,
            isImplicit,
            statements,
            toTypeAttributes,
            documentationCommentXml);
    }
 
    /// <summary>
    /// Creates a method symbol that can be used to describe a conversion declaration.
    /// </summary>
    public static IMethodSymbol CreateConversionSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        ITypeSymbol toType,
        IParameterSymbol fromType,
        INamedTypeSymbol? containingType = null,
        bool isImplicit = false,
        ImmutableArray<SyntaxNode> statements = default,
        ImmutableArray<AttributeData> toTypeAttributes = default,
        string? documentationCommentXml = null)
    {
        var result = new CodeGenerationConversionSymbol(containingType, attributes, accessibility, modifiers, toType, fromType, isImplicit, toTypeAttributes, documentationCommentXml);
        CodeGenerationMethodInfo.Attach(result, modifiers.IsNew, modifiers.IsUnsafe, modifiers.IsPartial, modifiers.IsAsync, statements, handlesExpressions: default);
        return result;
    }
 
    /// <summary>
    /// Creates a parameter symbol that can be used to describe a parameter declaration.
    /// </summary>
    public static IParameterSymbol CreateParameterSymbol(ITypeSymbol type, string name)
        => CreateParameterSymbol(RefKind.None, type, name);
 
    public static IParameterSymbol CreateParameterSymbol(RefKind refKind, ITypeSymbol type, string name)
    {
        return CreateParameterSymbol(
            attributes: default, refKind, isParams: false, type: type, name: name, isOptional: false);
    }
 
    /// <summary>
    /// Creates a parameter symbol that can be used to describe a parameter declaration.
    /// </summary>
    public static IParameterSymbol CreateParameterSymbol(
        ImmutableArray<AttributeData> attributes, RefKind refKind, bool isParams, ITypeSymbol type, string name, bool isOptional = false, bool hasDefaultValue = false, object? defaultValue = null)
    {
        return new CodeGenerationParameterSymbol(null, attributes, refKind, isParams, type, name, isOptional, hasDefaultValue, defaultValue);
    }
 
    /// <summary>
    /// Creates a parameter symbol that can be used to describe a parameter declaration.
    /// </summary>
    public static IParameterSymbol CreateParameterSymbol(
        IParameterSymbol parameter,
        ImmutableArray<AttributeData>? attributes = null,
        RefKind? refKind = null,
        bool? isParams = null,
        ITypeSymbol? type = null,
        Optional<string> name = default,
        bool? isOptional = null,
        bool? hasDefaultValue = null,
        Optional<object> defaultValue = default)
    {
        return new CodeGenerationParameterSymbol(
            containingType: null,
            attributes ?? parameter.GetAttributes(),
            refKind ?? parameter.RefKind,
            isParams ?? parameter.IsParams,
            type ?? parameter.Type,
            name.HasValue ? name.Value : parameter.Name,
            isOptional ?? parameter.IsOptional,
            hasDefaultValue ?? parameter.HasExplicitDefaultValue,
            defaultValue.HasValue
                ? defaultValue.Value
                : parameter.HasExplicitDefaultValue
                    ? parameter.ExplicitDefaultValue
                    : null);
    }
 
    /// <summary>
    /// Creates a parameter symbol that can be used to describe a parameter declaration.
    /// </summary>
    public static ITypeParameterSymbol CreateTypeParameterSymbol(string name, int ordinal = 0)
    {
        return CreateTypeParameter(
            attributes: default, varianceKind: VarianceKind.None,
            name: name, constraintTypes: [],
            hasConstructorConstraint: false, hasReferenceConstraint: false, hasValueConstraint: false,
            hasUnmanagedConstraint: false, hasNotNullConstraint: false, allowsRefLikeType: false,
            ordinal: ordinal);
    }
 
    /// <summary>
    /// Creates a type parameter symbol that can be used to describe a type parameter declaration.
    /// </summary>
    public static ITypeParameterSymbol CreateTypeParameter(
        ImmutableArray<AttributeData> attributes,
        VarianceKind varianceKind, string name,
        ImmutableArray<ITypeSymbol> constraintTypes,
        NullableAnnotation nullableAnnotation = NullableAnnotation.None,
        bool hasConstructorConstraint = false,
        bool hasReferenceConstraint = false,
        bool hasUnmanagedConstraint = false,
        bool hasValueConstraint = false,
        bool hasNotNullConstraint = false,
        bool allowsRefLikeType = false,
        int ordinal = 0)
    {
        return new CodeGenerationTypeParameterSymbol(null, attributes, varianceKind, name, nullableAnnotation, constraintTypes, hasConstructorConstraint, hasReferenceConstraint, hasValueConstraint, hasUnmanagedConstraint, hasNotNullConstraint, allowsRefLikeType, ordinal);
    }
 
    /// <summary>
    /// Creates a pointer type symbol that can be used to describe a pointer type reference.
    /// </summary>
    public static IPointerTypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType)
        => new CodeGenerationPointerTypeSymbol(pointedAtType);
 
    /// <summary>
    /// Creates an array type symbol that can be used to describe an array type reference.
    /// </summary>
    public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None)
        => new CodeGenerationArrayTypeSymbol(elementType, rank, nullableAnnotation);
 
    internal static IMethodSymbol CreateAccessorSymbol(
        IMethodSymbol accessor,
        ImmutableArray<AttributeData> attributes = default,
        Accessibility? accessibility = null,
        ImmutableArray<IMethodSymbol> explicitInterfaceImplementations = default,
        ImmutableArray<SyntaxNode> statements = default)
    {
        return CreateMethodSymbol(
            attributes,
            accessibility ?? accessor.DeclaredAccessibility,
            accessor.GetSymbolModifiers().WithIsAbstract(statements == null),
            accessor.ReturnType,
            accessor.RefKind,
            explicitInterfaceImplementations.IsDefault ? accessor.ExplicitInterfaceImplementations : explicitInterfaceImplementations,
            accessor.Name,
            accessor.TypeParameters,
            accessor.Parameters,
            statements: statements,
            returnTypeAttributes: accessor.GetReturnTypeAttributes(),
            methodKind: accessor.MethodKind,
            isInitOnly: accessor.IsInitOnly);
    }
 
    /// <summary>
    /// Creates an method type symbol that can be used to describe an accessor method declaration.
    /// </summary>
    public static IMethodSymbol CreateAccessorSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        ImmutableArray<SyntaxNode> statements)
    {
        return CreateMethodSymbol(
            attributes,
            accessibility,
            new DeclarationModifiers(isAbstract: statements == null),
            returnType: null,
            refKind: RefKind.None,
            explicitInterfaceImplementations: default,
            name: string.Empty,
            typeParameters: default,
            parameters: default,
            statements: statements);
    }
 
    /// <summary>
    /// Create attribute data that can be used in describing an attribute declaration.
    /// </summary>
    public static AttributeData CreateAttributeData(
        INamedTypeSymbol attributeClass,
        ImmutableArray<TypedConstant> constructorArguments = default,
        ImmutableArray<KeyValuePair<string, TypedConstant>> namedArguments = default)
    {
        return new CodeGenerationAttributeData(attributeClass, constructorArguments, namedArguments);
    }
 
    /// <summary>
    /// Creates a named type symbol that can be used to describe a named type declaration.
    /// </summary>
    public static INamedTypeSymbol CreateNamedTypeSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        TypeKind typeKind, string name,
        ImmutableArray<ITypeParameterSymbol> typeParameters = default,
        INamedTypeSymbol? baseType = null,
        ImmutableArray<INamedTypeSymbol> interfaces = default,
        SpecialType specialType = SpecialType.None,
        ImmutableArray<ISymbol> members = default,
        NullableAnnotation nullableAnnotation = NullableAnnotation.None,
        IAssemblySymbol? containingAssembly = null)
    {
        return CreateNamedTypeSymbol(attributes, accessibility, modifiers, isRecord: false, typeKind, name, typeParameters, baseType, interfaces, specialType, members, nullableAnnotation, containingAssembly);
    }
 
    /// <summary>
    /// Creates a named type symbol that can be used to describe a named type declaration.
    /// </summary>
    public static INamedTypeSymbol CreateNamedTypeSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        bool isRecord, TypeKind typeKind, string name,
        ImmutableArray<ITypeParameterSymbol> typeParameters = default,
        INamedTypeSymbol? baseType = null,
        ImmutableArray<INamedTypeSymbol> interfaces = default,
        SpecialType specialType = SpecialType.None,
        ImmutableArray<ISymbol> members = default,
        NullableAnnotation nullableAnnotation = NullableAnnotation.None,
        IAssemblySymbol? containingAssembly = null)
    {
        members = members.NullToEmpty();
 
        return new CodeGenerationNamedTypeSymbol(
            containingAssembly, null, attributes, accessibility, modifiers, isRecord, typeKind, name,
            typeParameters, baseType, interfaces, specialType, nullableAnnotation,
            members.WhereAsArray(m => m is not INamedTypeSymbol),
            members.OfType<INamedTypeSymbol>().Select(n => n.ToCodeGenerationSymbol()).ToImmutableArray(),
            enumUnderlyingType: null);
    }
 
    /// <summary>
    /// Creates a method type symbol that can be used to describe a delegate type declaration.
    /// </summary>
    public static CodeGenerationNamedTypeSymbol CreateDelegateTypeSymbol(
        ImmutableArray<AttributeData> attributes,
        Accessibility accessibility,
        DeclarationModifiers modifiers,
        ITypeSymbol returnType,
        RefKind refKind,
        string name,
        ImmutableArray<ITypeParameterSymbol> typeParameters = default,
        ImmutableArray<IParameterSymbol> parameters = default,
        NullableAnnotation nullableAnnotation = NullableAnnotation.None)
    {
        var invokeMethod = CreateMethodSymbol(
            attributes: default,
            accessibility: Accessibility.Public,
            modifiers: new DeclarationModifiers(),
            returnType: returnType,
            refKind: refKind,
            explicitInterfaceImplementations: default,
            name: "Invoke",
            typeParameters: default,
            parameters: parameters);
 
        return new CodeGenerationNamedTypeSymbol(
            containingAssembly: null,
            containingType: null,
            attributes: attributes,
            declaredAccessibility: accessibility,
            modifiers: modifiers,
            isRecord: false,
            typeKind: TypeKind.Delegate,
            name: name,
            typeParameters: typeParameters,
            baseType: null,
            interfaces: default,
            specialType: SpecialType.None,
            members: [invokeMethod],
            typeMembers: [],
            nullableAnnotation: nullableAnnotation,
            enumUnderlyingType: null);
    }
 
    /// <summary>
    /// Creates a namespace symbol that can be used to describe a namespace declaration.
    /// </summary>
    public static INamespaceSymbol CreateNamespaceSymbol(string name, IList<ISymbol>? imports = null, IList<INamespaceOrTypeSymbol>? members = null)
    {
        var @namespace = new CodeGenerationNamespaceSymbol(name, members);
        CodeGenerationNamespaceInfo.Attach(@namespace, imports);
        return @namespace;
    }
 
    internal static IMethodSymbol CreateMethodSymbol(
        IMethodSymbol method,
        ImmutableArray<AttributeData> attributes = default,
        Accessibility? accessibility = null,
        DeclarationModifiers? modifiers = null,
        ImmutableArray<IMethodSymbol> explicitInterfaceImplementations = default,
        string? name = null,
        ImmutableArray<IParameterSymbol>? parameters = null,
        ImmutableArray<SyntaxNode> statements = default,
        INamedTypeSymbol? containingType = null,
        ITypeSymbol? returnType = null,
        Optional<ImmutableArray<AttributeData>> returnTypeAttributes = default)
    {
        return CreateMethodSymbol(
            containingType,
            attributes,
            accessibility ?? method.DeclaredAccessibility,
            modifiers ?? method.GetSymbolModifiers(),
            returnType ?? method.ReturnType,
            method.RefKind,
            explicitInterfaceImplementations,
            name ?? method.Name,
            method.TypeParameters,
            parameters ?? method.Parameters,
            statements,
            returnTypeAttributes: returnTypeAttributes.HasValue ? returnTypeAttributes.Value : method.GetReturnTypeAttributes(),
            methodKind: method.MethodKind,
            isInitOnly: method.IsInitOnly);
    }
 
    internal static IPropertySymbol CreatePropertySymbol(
        IPropertySymbol property,
        ImmutableArray<AttributeData> attributes = default,
        ImmutableArray<IParameterSymbol>? parameters = null,
        Accessibility? accessibility = null,
        DeclarationModifiers? modifiers = null,
        ImmutableArray<IPropertySymbol> explicitInterfaceImplementations = default,
        string? name = null,
        bool? isIndexer = null,
        IMethodSymbol? getMethod = null,
        IMethodSymbol? setMethod = null,
        SyntaxNode? initializer = null)
    {
        return CreatePropertySymbol(
            attributes,
            accessibility ?? property.DeclaredAccessibility,
            modifiers ?? property.GetSymbolModifiers(),
            property.Type,
            property.RefKind,
            explicitInterfaceImplementations,
            name ?? property.Name,
            parameters ?? property.Parameters,
            getMethod,
            setMethod,
            isIndexer ?? property.IsIndexer,
            initializer: initializer);
    }
 
    internal static IEventSymbol CreateEventSymbol(
        IEventSymbol @event,
        ImmutableArray<AttributeData> attributes = default,
        Accessibility? accessibility = null,
        DeclarationModifiers? modifiers = null,
        ImmutableArray<IEventSymbol> explicitInterfaceImplementations = default,
        string? name = null,
        IMethodSymbol? addMethod = null,
        IMethodSymbol? removeMethod = null)
    {
        return CreateEventSymbol(
            attributes,
            accessibility ?? @event.DeclaredAccessibility,
            modifiers ?? @event.GetSymbolModifiers(),
            @event.Type,
            explicitInterfaceImplementations,
            name ?? @event.Name,
            addMethod,
            removeMethod);
    }
 
    internal static IFieldSymbol CreateFieldSymbol(
        IFieldSymbol field,
        ImmutableArray<AttributeData> attributes = default,
        Accessibility? accessibility = null,
        DeclarationModifiers? modifiers = null,
        string? name = null)
    {
        return CreateFieldSymbol(
            attributes,
            accessibility ?? field.DeclaredAccessibility,
            modifiers ?? field.GetSymbolModifiers(),
            field.Type,
            name ?? field.Name);
    }
}
File: src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\CodeGenerationSymbolFactory.cs	Web Access
Project: src\src\CodeStyle\Core\CodeFixes\Microsoft.CodeAnalysis.CodeStyle.Fixes.csproj (Microsoft.CodeAnalysis.CodeStyle.Fixes)