public bool PerformTask(pMixinGeneratorPipelineState manager)
{
if (manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsStatic)
{
manager.CurrentMixinMasterWrapperFullTypeName =
manager.CurrentpMixinAttribute.Mixin.GetOriginalFullNameWithGlobal();
return(true);
}
//Create Wrapper Class Declaration
var wrapperClassDeclaration = new TypeDeclaration
{
ClassType = ClassType.Class,
Modifiers = Modifiers.Public | Modifiers.Sealed,
Name = manager.CurrentpMixinAttribute.Mixin.GetNameAsIdentifier()
+ "MasterWrapper"
};
//Set base type
wrapperClassDeclaration.BaseTypes.Add(
new SimpleType("global::" + typeof(MasterWrapperBase).FullName));
//Add class to Auto Generated nested class
var wrapperClass =
manager.CurrentAutoGeneratedTypeDeclaration.AddNestedType(wrapperClassDeclaration);
//Save Master Wrapper Type Name for later
manager.CurrentMixinMasterWrapperFullTypeName =
GenerateMixinSpecificAutoGeneratedClass.GetFullNameForChildType(
manager,
wrapperClassDeclaration.Name);
CreateVirtualMemberFunctions(manager, wrapperClass);
CreateConstructorAndRequirementsInterfaceDataMember(manager, wrapperClass);
CreateActivateMixinDependenciesMethod(manager, wrapperClass);
ProcessMembers(manager, wrapperClass);
return(true);
}
private void ProcessConstructors(pMixinGeneratorPipelineState manager, CodeGeneratorProxy requirementInterface)
{
bool hasANonParamaterlessConstructor =
manager.CurrentpMixinAttribute.Mixin.GetConstructors()
.Any(c => !c.Parameters.Any());
if (hasANonParamaterlessConstructor &&
!manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsAbstract&&
!manager.CurrentpMixinAttribute.ExplicitlyInitializeMixin)
{
return;
}
//Update ExplicitlyInitializeMixin - Changed mind, user has to always set
//ExplicitlyInitializeMixin to true even if mixin does not have parameterless constructor.
//They could be using a custom MixinActivator that uses DI
//manager.CurrentpMixinAttribute.ExplicitlyInitializeMixin = true;
if (!manager.CurrentpMixinAttribute.ExplicitlyInitializeMixin)
{
return;
}
var requiredMixinWrapperType =
(manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsAbstract)
? GenerateMixinSpecificAutoGeneratedClass.GetFullNameForChildType(
manager,
GenerateAbstractMixinMembersWrapperClass.GetWrapperClassName(manager))
: manager.CurrentpMixinAttribute.Mixin.GetOriginalFullNameWithGlobal();
//generate the mixin initialization method
requirementInterface.CreateMethod(
string.Empty, //no modifier for interface member
requiredMixinWrapperType,
GetInitializationMethod(manager),
new List <KeyValuePair <string, string> >(),
"");
}
/// <summary>
/// Generate code similar to:
/// <code>
/// <![CDATA[
/// AbstractWrapper _host;
///
/// public TargetWrapper(IMixinRequirements host){ _host = host; }
/// ]]>
/// </code>
/// </summary>
private void CreateConstructorAndRequirementsInterfaceDataMember(
pMixinGeneratorPipelineState manager, ICodeGeneratorProxy wrapperClass)
{
var mixinInstanceType = "";
#region Assign Mixin Instance Type
if (manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsAbstract)
{
//Abstract Mixin Wrapper is in a different namespace, so we need the fullname
mixinInstanceType =
ExternalGeneratedNamespaceHelper.GenerateChildClassFullName(
manager,
GenerateAbstractMixinMembersWrapperClass.GetWrapperClassName(manager));
}
else if (manager.CurrentMixinMembers.Any(x => x.Member.IsProtected))
{
//Abstract Mixin Wrapper is in the same namespace
mixinInstanceType = GenerateAbstractMixinMembersWrapperClass.GetWrapperClassName(manager);
}
else
{
mixinInstanceType = manager.CurrentpMixinAttribute.Mixin.GetOriginalFullNameWithGlobal();
}
#endregion
//add data member
wrapperClass.CreateDataMember(
/* Can't remember why it was necessary to have a modifier other than public
* manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsPublic
* ? "public"
* : manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsInternal
* ? "internal"
* : "private"
*/"public"
+ " readonly",
mixinInstanceType,
MixinInstanceDataMemberName);
string mixinInstanceInitialization;
#region Create Mixin Instance (InitializeMixin / TryActivateMixin
if (manager.CurrentpMixinAttribute.ExplicitlyInitializeMixin)
{
mixinInstanceInitialization =
string.Format("(({0}){1}).{2}();",
AddMixinConstructorRequirementDependency
.GetMixinConstructorRequirement(manager),
MixinInstanceDataMemberName.Replace("_", ""),
"InitializeMixin");
}
else if (manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsSealed)
{
mixinInstanceInitialization =
string.Format("base.TryActivateMixin<{0}>();",
manager.CurrentpMixinAttribute.Mixin.GetOriginalFullNameWithGlobal());
}
else if (manager.CurrentpMixinAttribute.Mixin.GetDefinition().IsAbstract)
{
mixinInstanceInitialization =
string.Format("base.TryActivateMixin<{0}>({1});",
mixinInstanceType,
MixinInstanceDataMemberName.Replace("_", ""));
}
else
{
mixinInstanceInitialization =
string.Format("base.TryActivateMixin<{0}>({1});",
GenerateMixinSpecificAutoGeneratedClass.GetFullNameForChildType(
manager,
GenerateAbstractMixinMembersWrapperClass.GetWrapperClassName(manager)),
MixinInstanceDataMemberName.Replace("_", ""));
}
#endregion
var initializeBaseExpression =
#region base.Initialize
string.Format("base.Initialize( {0}, {1}, new global::{2}<global::{3}>{{ {4} }});",
MixinInstanceDataMemberName.Replace("_", ""),
MixinInstanceDataMemberName,
"System.Collections.Generic.List",
typeof(IMixinInterceptor),
string.Join(",",
manager.CurrentpMixinAttribute.Interceptors
.Select(x => x.GenerateActivationExpression())
)
);
#endregion
wrapperClass.CreateConstructor(
"public",
new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>(
manager.CurrentMixinRequirementsInterface.EnsureStartsWith("global::"),
MixinInstanceDataMemberName.Replace("_", ""))
},
constructorInitializer: "",
constructorBody:
MixinInstanceDataMemberName + " = " +
mixinInstanceInitialization +
CreateConstructorInitializersForVirtualMemberFunctions(manager, wrapperClass) +
initializeBaseExpression
);
}
