void PushAnonymousClassContext(TypeRef baseType)
{
ClassContexts.Push(new ClassContext()
{
Name = new QualifiedName(Name.AnonymousClassName),
Base = baseType
});
}
void PushClassContext(string name, TypeRef baseType)
{
ClassContexts.Push(new ClassContext()
{
Name = new QualifiedName(new Name(name), namingContext.CurrentNamespace.HasValue ? namingContext.CurrentNamespace.Value.Namespaces : Name.EmptyNames),
Base = baseType
});
}
void PushAnonymousClassContext(TypeRef baseType)
{
ClassContexts.Push(new ClassContext()
{
Name = new QualifiedName(Name.AnonymousClassName),
Base = baseType,
Attributes = PhpMemberAttributes.None,
});
}
void PushClassContext(string name, TypeRef baseType, PhpMemberAttributes attrs)
{
ClassContexts.Push(new ClassContext()
{
Name = new QualifiedName(new Name(name), namingContext.CurrentNamespace.HasValue ? namingContext.CurrentNamespace.Value.Namespaces : Name.EmptyNames),
Base = baseType,
Attributes = attrs,
});
}
/// <summary>
/// Creates type reference from a given qualified name.
/// The given name will be translated using current naming context.
/// </summary>
public TypeRef CreateTypeRef(QualifiedNameRef tname, bool allowPrimitiveTypes = false)
{
var qname = tname.QualifiedName;
var span = tname.Span;
// primitive type name ?
if (qname.IsSimpleName)
{
if (ReservedTypeRef.ReservedTypes.TryGetValue(qname.Name, out ReservedTypeRef.ReservedType reserved))
{
var reservedRef = _astFactory.ReservedTypeReference(span, reserved);
if (IsInClassContext)
{
var context = ClassContexts.Peek();
switch (reserved)
{
case ReservedTypeRef.ReservedType.parent:
if (context.Base != null)
{
reservedRef = _astFactory.AliasedTypeReference(span, context.Base.QualifiedName.Value, reservedRef);
}
else if (context.Attributes.IsTrait())
{
// keep unbound
// {parent} refers to actual class where the trait is used
}
else
{
this.ErrorSink.Error(span, FatalErrors.ParentAccessedInParentlessClass);
}
break;
case ReservedTypeRef.ReservedType.self:
if (context.Attributes.IsTrait())
{
// keep unbound
// {self} refers to actual class where the trait is used
}
else if (context.Name.Name == Name.AnonymousClassName)
{
// we don't translate {self} in the context of an anonymous type name
// since the translated name is platform specific and may differ from how it is handled by caller
}
else
{
reservedRef = _astFactory.AliasedTypeReference(span, context.Name, reservedRef);
}
break;
case ReservedTypeRef.ReservedType.@static:
// keep unbound
break;
default:
throw new ArgumentException();
}
}
else
{
// TODO: Error: self|parent|static used outside a class context
// NOTE: allowed in global code
}
return(reservedRef);
}
if (allowPrimitiveTypes && PrimitiveTypes.TryGetValue(qname, out PrimitiveTypeRef.PrimitiveType primitive))
{
return(_astFactory.PrimitiveTypeReference(span, primitive));
}
}
// direct type reference
return(CreateNamedTypeRef(span, tname));
}
void PopClassContext()
{
ClassContexts.Pop();
}
TypeRef CreateTypeRef(Span span, QualifiedNameRef tname)
{
var qname = tname.QualifiedName;
// primitive type name ?
if (qname.IsSimpleName)
{
ReservedTypeRef.ReservedType reserved;
PrimitiveTypeRef.PrimitiveType primitive;
if ((_languageFeatures.HasFeature(LanguageFeatures.Php71Set)) && PHP71PrimitiveTypes.TryGetValue(qname, out primitive))
{
return(_astFactory.PrimitiveTypeReference(span, primitive));
}
if ((_languageFeatures.HasFeature(LanguageFeatures.Php70Set)) && PHP70PrimitiveTypes.TryGetValue(qname, out primitive))
{
return(_astFactory.PrimitiveTypeReference(span, primitive));
}
if ((_languageFeatures.HasFeature(LanguageFeatures.Php56Set)) && PHP56PrimitiveTypes.TryGetValue(qname, out primitive))
{
return(_astFactory.PrimitiveTypeReference(span, primitive));
}
if (ReservedTypeRef.ReservedTypes.TryGetValue(qname.Name, out reserved))
{
var reservedRef = _astFactory.ReservedTypeReference(span, reserved);
if (IsInClassContext)
{
var context = ClassContexts.Peek();
switch (reserved)
{
case ReservedTypeRef.ReservedType.parent:
if (context.Base != null)
{
reservedRef = _astFactory.AliasedTypeReference(span, context.Base.QualifiedName.Value, reservedRef);
}
else
{
this.ErrorSink.Error(span, FatalErrors.ParentAccessedInParentlessClass);
}
break;
case ReservedTypeRef.ReservedType.self:
// we don't translate {self} in the context of an anonymous type name
// since the translated name is platform specific and may differ from how it is handled by caller
if (context.Name.Name != Name.AnonymousClassName)
{
reservedRef = _astFactory.AliasedTypeReference(span, context.Name, reservedRef);
}
break;
case ReservedTypeRef.ReservedType.@static:
// keep unbound
break;
default:
throw new ArgumentException();
}
}
else
{
// TODO: Error: self|parent|static used outside a class context
}
return(reservedRef);
}
}
// direct type reference
return(CreateNamedTypeRef(span, tname));
}