internal static void SetMethodAttributes(RubyScope /*!*/ scope, RubyModule /*!*/ module, object[] /*!*/ methodNames, RubyMethodAttributes attributes)
{
ContractUtils.RequiresNotNull(scope, "scope");
ContractUtils.RequiresNotNull(methodNames, "methodNames");
if (methodNames.Length == 0)
{
scope.GetMethodAttributesDefinitionScope().MethodAttributes = attributes;
}
else
{
foreach (string methodName in Protocols.CastToSymbols(scope.RubyContext, methodNames))
{
RubyMemberInfo method = module.ResolveMethodFallbackToObject(methodName, true);
if (method == null)
{
throw RubyExceptions.CreateNameError(RubyExceptions.FormatMethodMissingMessage(scope.RubyContext, module, methodName));
}
if ((attributes & RubyMethodAttributes.ModuleFunction) == RubyMethodAttributes.ModuleFunction)
{
module.AddModuleFunction(methodName, method);
}
else
{
module.SetMethodVisibility(methodName, method, (RubyMethodVisibility)(attributes & RubyMethodAttributes.VisibilityMask));
}
}
}
}
private static RubyMethodVisibility GetDefinedMethodVisibility(RubyScope /*!*/ scope, RubyModule /*!*/ module, string /*!*/ methodName)
{
// MRI: Special names are private.
// MRI: Doesn't create a singleton method if module_function is used in the scope, however the private visibility is applied (bug?)
// MRI 1.8: uses the current scope's visibility only if the target module is the same as the scope's module (bug?)
// MFI 1.9: always uses public visibility (bug?)
RubyMethodVisibility visibility;
if (scope.RubyContext.RubyOptions.Compatibility < RubyCompatibility.Ruby19)
{
var attributesScope = scope.GetMethodAttributesDefinitionScope();
if (attributesScope.GetInnerMostModuleForMethodLookup() == module)
{
bool isModuleFunction = (attributesScope.MethodAttributes & RubyMethodAttributes.ModuleFunction) == RubyMethodAttributes.ModuleFunction;
visibility = (isModuleFunction) ? RubyMethodVisibility.Private : attributesScope.Visibility;
}
else
{
visibility = RubyMethodVisibility.Public;
}
}
else
{
visibility = RubyMethodVisibility.Public;
}
return(RubyUtils.GetSpecialMethodVisibility(visibility, methodName));
}
internal static void SetMethodAttributes(RubyScope /*!*/ scope, RubyModule /*!*/ module, string /*!*/[] /*!*/ methodNames, RubyMethodAttributes attributes)
{
if (methodNames.Length == 0)
{
scope.GetMethodAttributesDefinitionScope().MethodAttributes = attributes;
}
else
{
SetMethodAttributes(module, methodNames, attributes);
}
}
private static void DefineAccessor(RubyScope /*!*/ scope, RubyModule /*!*/ self, string /*!*/ name, bool readable, bool writable)
{
// MRI: ignores ModuleFunction scope flag (doesn't create singleton methods):
if (!Tokenizer.IsVariableName(name))
{
throw RubyExceptions.CreateNameError("invalid attribute name `{0}'", name);
}
var varName = "@" + name;
var attributesScope = scope.GetMethodAttributesDefinitionScope();
if (readable)
{
var flags = (RubyMemberFlags)RubyUtils.GetSpecialMethodVisibility(attributesScope.Visibility, name);
self.AddMethod(scope.RubyContext, name, new RubyAttributeReaderInfo(flags, self, varName));
}
if (writable)
{
self.AddMethod(scope.RubyContext, name + "=", new RubyAttributeWriterInfo((RubyMemberFlags)attributesScope.Visibility, self, varName));
}
}