public MethodWeaverFactory(TypeReferenceProvider typeReferenceProvider, MethodReferenceProvider methodReferenceProvider,
MethodWeaverBase.ILoggerProvider loggerProvider)
{
_typeReferenceProvider = typeReferenceProvider;
_methodReferenceProvider = methodReferenceProvider;
_loggerProvider = loggerProvider;
}
internal static FieldReference CreateLoggerStaticField(TypeReferenceProvider typeReferenceProvider,
MethodReferenceProvider methodReferenceProvider,
TypeDefinition typeDefinition)
{
var logTypeRef = typeReferenceProvider.LogAdapterReference;
var logManagerTypeRef = typeReferenceProvider.LogManagerReference;
//look for existing one
var loggerField = typeDefinition.Fields.FirstOrDefault(fld => fld.IsStatic &&
fld.FieldType.FullName.Equals(logTypeRef.FullName));
if (loggerField != null)
{
return(loggerField.FixFieldReferenceIfDeclaringTypeIsGeneric());
}
//$log should be unique
loggerField = new FieldDefinition("$log", FieldAttributes.Private | FieldAttributes.Static, logTypeRef);
typeDefinition.Fields.Add(loggerField);
//create field init
var staticConstructor = typeDefinition.GetStaticConstructor();
if (staticConstructor == null)
{
const MethodAttributes methodAttributes = MethodAttributes.Private | MethodAttributes.Static | MethodAttributes.HideBySig | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName;
staticConstructor = new MethodDefinition(".cctor", methodAttributes, typeReferenceProvider.Void);
typeDefinition.Methods.Add(staticConstructor);
staticConstructor.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
}
var getLoggerMethod = new MethodReference("GetLogger", logTypeRef, logManagerTypeRef);
getLoggerMethod.Parameters.Add(new ParameterDefinition(typeReferenceProvider.Type));
//build up typeInfo
var getTypeFromHandleMethod = methodReferenceProvider.GetGetTypeFromHandleReference();
//spec treatment for generic types
var loggerFieldRef = loggerField.FixFieldReferenceIfDeclaringTypeIsGeneric();
//if generated nested type use the declaring type as logger type as it is more natural from
//end users perspective
var hasCompilerGeneratedAttribute = typeDefinition.HasCustomAttributes && typeDefinition.CustomAttributes
.Any(attr => attr.AttributeType.FullName.Equals(typeof(CompilerGeneratedAttribute).FullName, StringComparison.Ordinal));
var loggerTypeDefinition = hasCompilerGeneratedAttribute && typeDefinition.IsNested
? typeDefinition.DeclaringType : typeDefinition;
staticConstructor.Body.InsertAtTheBeginning(new[]
{
Instruction.Create(OpCodes.Ldtoken, loggerTypeDefinition.GetGenericInstantiationIfGeneric()),
Instruction.Create(OpCodes.Call, getTypeFromHandleMethod),
Instruction.Create(OpCodes.Call, getLoggerMethod),
Instruction.Create(OpCodes.Stsfld, loggerFieldRef)
});
return(loggerFieldRef);
}
internal AsyncMethodWeaver(TypeReferenceProvider typeReferenceProvider,
MethodReferenceProvider methodReferenceProvider, ILoggerProvider loggerProvider,
MethodDefinition methodDefinition)
: base(typeReferenceProvider, methodReferenceProvider, loggerProvider, methodDefinition)
{
var asyncAttribute = methodDefinition.CustomAttributes.Single(it => it.AttributeType.FullName.Equals(_typeReferenceProvider.AsyncStateMachineAttribute.FullName));
_generatedType = asyncAttribute.ConstructorArguments[0].Value as TypeDefinition;
WeavingLog.LogDebug($"Weaving {methodDefinition.FullName}");
}
internal MethodWeaverBase(TypeReferenceProvider typeReferenceProvider, MethodReferenceProvider methodReferenceProvider,
ILoggerProvider loggerProvider, MethodDefinition methodDefinition)
{
_typeReferenceProvider = typeReferenceProvider;
_methodReferenceProvider = methodReferenceProvider;
_methodDefinition = methodDefinition;
_body = methodDefinition.Body;
_isEmptyBody = (_body.Instructions.Count == 0);
_loggerProvider = loggerProvider;
}
public TypeWeaverFactory(ITraceLoggingFilter filter,
TypeReferenceProvider typeReferenceProvider,
MethodReferenceProvider methodReferenceProvider,
bool shouldTraceConstructors,
bool shouldTraceProperties)
{
_filter = filter;
_typeReferenceProvider = typeReferenceProvider;
_methodReferenceProvider = methodReferenceProvider;
_shouldTraceConstructors = shouldTraceConstructors;
_shouldTraceProperties = shouldTraceProperties;
}
private void InternalExecute()
{
var typeReferenceProvider = new TypeReferenceProvider(_configuration, this, _moduleDefinition);
var methodReferenceProvider = new MethodReferenceProvider(typeReferenceProvider, _moduleDefinition);
var factory = new TypeWeaverFactory(_configuration.Filter, typeReferenceProvider, methodReferenceProvider, _configuration.ShouldTraceConstructors,
_configuration.ShouldTraceProperties);
foreach (var type in _moduleDefinition.GetAllTypes())
{
var weaver = factory.Create(type);
weaver.Execute();
}
}
internal TypeWeaver(ITraceLoggingFilter filter, bool shouldTraceConstructors, bool shouldTraceProperties, TypeReferenceProvider typeReferenceProvider, MethodReferenceProvider methodReferenceProvider,
TypeDefinition typeDefinition)
{
_filter = filter;
_typeReferenceProvider = typeReferenceProvider;
_methodReferenceProvider = methodReferenceProvider;
_typeDefinition = typeDefinition;
_staticLoggerField = new Lazy <FieldReference>(() => CreateLoggerStaticField(_typeReferenceProvider, _methodReferenceProvider, _typeDefinition));
_methodWeaverFactory = new MethodWeaverFactory(typeReferenceProvider, methodReferenceProvider, this);
_hasCompilerGeneratedAttribute = new Lazy <bool>(() =>
_typeDefinition.HasCustomAttributes && _typeDefinition.CustomAttributes
.Any(attr => attr.AttributeType.FullName.Equals(typeof(CompilerGeneratedAttribute).FullName, StringComparison.Ordinal)));
_shouldTraceConstructors = shouldTraceConstructors;
_shouldTraceProperties = shouldTraceProperties;
}
internal MethodWeaver(TypeReferenceProvider typeReferenceProvider, MethodReferenceProvider methodReferenceProvider,
ILoggerProvider loggerProvider, MethodDefinition methodDefinition) : base(typeReferenceProvider, methodReferenceProvider,
loggerProvider, methodDefinition)
{
}