private FieldReference GetGlobalAspectField(AspectDefinition aspect)
{
var singleton = aspect.Host.Fields.FirstOrDefault(f => f.Name == Constants.AspectGlobalField);
if (singleton == null)
{
throw new Exception("Missed aspect global singleton.");
}
return(singleton);
}
private FieldReference GetInstanceAspectField(AspectDefinition aspect, TypeDefinition source)
{
var type = source;
var fieldName = $"{Constants.AspectInstanceFieldPrefix}{aspect.Host.FullName}";
var field = FindField(type, fieldName);
if (field == null)
{
field = new FieldDefinition(fieldName, FieldAttributes.Family, _typeSystem.Import(aspect.Host));
type.Fields.Add(field);
InjectInitialization(GetInstanсeAspectsInitializer(type), field, aspect.CreateAspectInstance);
}
return(field);
}
public PointCut LoadAspect(AspectDefinition aspect, MethodDefinition overrideTarget = null, Action <PointCut> overrideThis = null, TypeDefinition overrideSource = null)
{
overrideTarget = overrideTarget ?? _proc.Body.Method;
overrideThis = overrideThis ?? (pc => pc.This());
overrideSource = overrideSource ?? overrideTarget.DeclaringType;
FieldReference aspectField;
if (overrideTarget.IsStatic || aspect.Scope == Aspect.Scope.Global)
{
aspectField = GetGlobalAspectField(aspect);
}
else
{
aspectField = GetInstanceAspectField(aspect, overrideSource.Resolve());
overrideThis(this);
}
Load(aspectField);
return(this);
}
public abstract bool Validate(AspectDefinition aspect, BaseModuleWeaver weaver);
