private static ExpressionSyntax BuildEqualityOperatorCall(GeneratedPropertyInfo property)
=> BinaryExpression
(
SyntaxKind.EqualsExpression,
MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, ThisExpression(), IdentifierName(property.Name)),
MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, IdentifierName(_otherArg), IdentifierName(property.Name))
);
private static ExpressionSyntax BuildPropertyHashCodeCall(GeneratedPropertyInfo propertyInfo)
{
MemberAccessExpressionSyntax defaultComparer = DefaultEqualityComparer.AccessExpression(propertyInfo.Type);
MemberAccessExpressionSyntax defaultGetHashCodeMethod = MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, defaultComparer, _getHashCodeIdentifier);
MemberAccessExpressionSyntax fieldAccess = MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, ThisExpression(), IdentifierName(propertyInfo.Name));
InvocationExpressionSyntax getHashCodeCall = InvocationExpression(defaultGetHashCodeMethod).AddArgumentListArguments(Argument(fieldAccess));
return(getHashCodeCall);
}
private PropertyDeclarationSyntax BuildProperty(GeneratedPropertyInfo propertyInfo)
=> PropertyDeclaration(ParseTypeName(propertyInfo.Type.ToDisplayString()), propertyInfo.Name)
.WithModifiers(SyntaxTokenList.Create(Token(SyntaxKind.PublicKeyword)))
.WithAccessorList
(
AccessorList
(
new SyntaxList <AccessorDeclarationSyntax>()
.Add(AccessorDeclaration(SyntaxKind.GetAccessorDeclaration).WithSemicolonToken(Token(SyntaxKind.SemicolonToken)))
.Add(AccessorDeclaration(SyntaxKind.SetAccessorDeclaration).WithSemicolonToken(Token(SyntaxKind.SemicolonToken)))
)
);
private static ExpressionSyntax BuildEqualityComparerEqualsCall(GeneratedPropertyInfo property)
=> InvocationExpression
(
MemberAccessExpression
(
SyntaxKind.SimpleMemberAccessExpression,
DefaultEqualityComparer.AccessExpression(property.Type),
IdentifierName(nameof(EqualityComparer <object> .Default.Equals))
)
)
.AddArgumentListArguments
(
Argument(MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, ThisExpression(), IdentifierName(property.Name))),
Argument(MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, IdentifierName(_otherArg), IdentifierName(property.Name)))
);
private static ExpressionSyntax BuildFieldEqualityCall(GeneratedPropertyInfo property) => DeclaresEqualityOperator(property.Type) ? BuildEqualityOperatorCall(property) : BuildEqualityComparerEqualsCall(property);
private static IEnumerable <InterpolatedStringContentSyntax> EnumeratePropertyInterpolationContent(GeneratedPropertyInfo property)
{
yield return(Interpolation(InvocationExpression(IdentifierName("nameof")).AddArgumentListArguments(Argument(IdentifierName(property.Name)))));
yield return(InterpolatedText(": "));
yield return(Interpolation(IdentifierName(property.Name)));
}
