public static bool AllowsNull(this PropertyDefinition property, NullGuardMode mode)
{
if (mode == NullGuardMode.Explicit)
{
return(ExplicitMode.AllowsNull(property));
}
return(property.ImplicitAllowsNull());
}
public static bool AllowsNull(this ParameterDefinition parameter, MethodDefinition method, NullGuardMode mode)
{
if (mode == NullGuardMode.Explicit)
{
return(ExplicitMode.AllowsNull(parameter, method));
}
return(parameter.ImplicitAllowsNull());
}
public static bool AllowsNull(this PropertyDefinition property, ExplicitMode explicitMode)
{
if (explicitMode != null)
{
return(explicitMode.AllowsNull(property));
}
return(property.ImplicitAllowsNull());
}
public static bool AllowsNullReturnValue(this MethodDefinition methodDefinition, NullGuardMode mode)
{
if (mode == NullGuardMode.Explicit)
{
// ReSharper uses a *method* attribute for NotNull for the return value
return(ExplicitMode.AllowsNull(methodDefinition));
}
return(methodDefinition.MethodReturnType.CustomAttributes.Any(a => a.AttributeType.Name == AllowNullAttributeTypeName) ||
// ReSharper uses a *method* attribute for CanBeNull for the return value
methodDefinition.CustomAttributes.Any(a => a.AttributeType.Name == CanBeNullAttributeTypeName));
}
public static bool AllowsNullReturnValue(this MethodDefinition methodDefinition, ExplicitMode explicitMode)
{
if (explicitMode != null)
{
// ReSharper uses a *method* attribute for NotNull for the return value
return(explicitMode.AllowsNull(methodDefinition));
}
return(methodDefinition.CustomAttributes.HasNullableReferenceType(NullableContextAttributeTypeName) ||
methodDefinition.MethodReturnType.CustomAttributes.Any(a => a.AttributeType.Name == AllowNullAttributeTypeName) ||
// ReSharper uses a *method* attribute for CanBeNull for the return value
methodDefinition.CustomAttributes.Any(a => a.AttributeType.Name == CanBeNullAttributeTypeName));
}
public override void Execute()
{
ReadConfig();
if (nullGuardMode == NullGuardMode.AutoDetect)
{
nullGuardMode = ModuleDefinition.AutoDetectMode();
}
if (nullGuardMode == NullGuardMode.Explicit)
{
explicitMode = new ExplicitMode();
}
var nullGuardAttribute = ModuleDefinition.GetNullGuardAttribute();
if (nullGuardAttribute == null)
{
nullGuardAttribute = ModuleDefinition.Assembly.GetNullGuardAttribute();
}
if (nullGuardAttribute != null)
{
ValidationFlags = (ValidationFlags)nullGuardAttribute.ConstructorArguments[0].Value;
}
LogInfo($"Mode={nullGuardMode}, ValidationFlags={ValidationFlags}");
FindReferences();
var types = GetTypesToProcess();
CheckForBadAttributes(types);
ProcessAssembly(types);
RemoveAttributes(types);
RemoveReference();
}
public static bool AllowsNull(this ParameterDefinition parameter, MethodDefinition method, ExplicitMode explicitMode)
{
if (explicitMode != null)
{
return(explicitMode.AllowsNull(parameter, method));
}
return(parameter.ImplicitAllowsNull());
}
public static bool MayNotBeNull(this ParameterDefinition arg, MethodDefinition method, ExplicitMode explicitMode)
{
return(!arg.AllowsNull(method, explicitMode) && !arg.IsOptionalArgumentWithNullDefaultValue() && arg.ParameterType.IsRefType() && !arg.IsOut);
}
