PropertyDeclarationSyntax MakeEnumProperty(Field field, string readName)
{
return(MakeProperty(_names.MakeTypeSyntax(field.Type, field.DeclaringType, TypeUsage.NotRelevant), Type <ushort>(),
_names.GetCodeIdentifier(field).ToString(),
readName,
nameof(Capnp.SerializerExtensions.WriteData),
field.BitOffset.Value,
ValueOf(field.DefaultValue.ScalarValue),
true,
field.DiscValue.HasValue,
true));
}
MemberDeclarationSyntax MakeUnionField(Field field)
{
var type = _names.MakeTypeSyntax(field.Type, field.DeclaringType, TypeUsage.DomainClassNullable);
switch (field.Type.Tag)
{
case TypeTag.Void:
return(null);
default:
return(PropertyDeclaration(type,
_names.GetCodeIdentifier(field).Identifier)
.AddModifiers(Public).AddAccessorListAccessors(
AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.WithExpressionBody(
ArrowExpressionClause(
ConditionalExpression(
BinaryExpression(
SyntaxKind.EqualsExpression,
_names.UnionDiscriminatorField.IdentifierName,
MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
_names.UnionDiscriminatorEnum.IdentifierName,
_names.GetCodeIdentifier(field).IdentifierName)),
CastExpression(type,
_names.UnionContentField.IdentifierName),
LiteralExpression(
SyntaxKind.NullLiteralExpression))))
.WithSemicolonToken(
Token(SyntaxKind.SemicolonToken)),
AccessorDeclaration(
SyntaxKind.SetAccessorDeclaration)
.WithBody(
Block(
ExpressionStatement(
AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
_names.UnionDiscriminatorField.IdentifierName,
MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
_names.UnionDiscriminatorEnum.IdentifierName,
_names.GetCodeIdentifier(field).IdentifierName))),
ExpressionStatement(
AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
_names.UnionContentField.IdentifierName,
IdentifierName("value")))))));
}
}
PropertyDeclarationSyntax MakeReadEnumProperty(Field field)
{
var typeSyntax = _names.MakeTypeSyntax(field.Type, field.DeclaringType, TypeUsage.Reader);
return(MakeReadProperty(typeSyntax,
_names.GetCodeIdentifier(field).ToString(),
nameof(Capnp.SerializerExtensions.ReadDataUShort), field.BitOffset.Value,
ValueOf(field.DefaultValue.ScalarValue),
x => CastExpression(typeSyntax, x),
field.DiscValue.HasValue));
}
TypeSyntax TransformReturnType(Method method)
{
switch (method.Results.Count)
{
case 0:
return(IdentifierName(nameof(Task)));
case 1:
return(GenericName(nameof(Task)).AddTypeArgumentListArguments(
_names.MakeTypeSyntax(method.Results[0].Type, method.DeclaringInterface, TypeUsage.DomainClass)));
default:
return(GenericName(nameof(Task)).AddTypeArgumentListArguments(
TupleType(SeparatedList(
method.Results.Select(
f => TupleElement(_names.MakeTypeSyntax(f.Type, method.DeclaringInterface, TypeUsage.DomainClass)))))));
}
}
