private static void GetMethodsFromType(List<MethodDefinition> ret, TypeDefinition type)
{
if (type.ContainsIgnoreAttribute()) return;
foreach(var method in type.GetMethods())
{
if (method.ContainsIgnoreAttribute()) continue;
ret.Add(method);
}
foreach(var nested in type.NestedTypes)
{
GetMethodsFromType(ret, nested);
}
}
void PreserveExportedMethods (TypeDefinition type)
{
if (!type.HasMethods)
return;
foreach (var method in type.GetMethods ()) {
if (!IsExportedMethod (method))
continue;
if (!IsOverridenInUserCode (method))
continue;
PreserveMethod (type, method);
}
}
public static MethodReference InjectEqualsInternal(TypeDefinition type, TypeReference typeRef, MethodDefinition collectionEquals)
{
var methodAttributes = MethodAttributes.Private | MethodAttributes.HideBySig | MethodAttributes.Static;
var method = new MethodDefinition("EqualsInternal", methodAttributes, ReferenceFinder.Boolean.TypeReference);
method.CustomAttributes.MarkAsGeneratedCode();
var left = method.Parameters.Add("left", typeRef);
var right = method.Parameters.Add("right", typeRef);
var body = method.Body;
body.InitLocals = true;
var ins = body.Instructions;
var properties = type.GetPropertiesWithoutIgnores(ignoreAttributeName);
foreach (var property in properties)
{
AddPropertyCode(type, collectionEquals, property, ins, left, right);
}
var methods = type.GetMethods();
var customLogic = methods
.Where(x => x.CustomAttributes.Any(y => y.AttributeType.Name == customAttribute)).ToArray();
if (customLogic.Length > 2)
{
throw new WeavingException("Only one custom method can be specified.");
}
if (customLogic.Length == 1)
{
AddCustomLogicCall(type, body, ins, customLogic);
}
AddReturnTrue(ins);
body.OptimizeMacros();
type.Methods.AddOrReplace(method);
var methodToCall = new MethodReference(method.Name, method.ReturnType, typeRef);
foreach (var parameter in method.Parameters)
{
methodToCall.Parameters.Add(parameter);
}
return methodToCall;
}
private void OnBindMethodsDefinitions(MonoAssemblyResolver assemblyTarget, TypeDefinition typeDefinition,
TreeNode rootNode)
{
var methodDefinitions = typeDefinition.GetMethods(false);
for (int i = 0; i < methodDefinitions.Count; i++)
{
var node = new TreeNode
{
Text =
string.Format("{0} ({1})", methodDefinitions[i].Name,
methodDefinitions[i].Parameters.Count),
Tag = new BindItem { Method = methodDefinitions[i], Assembly = assemblyTarget }
};
rootNode.Nodes.Add(node);
}
}
void ProcessMethods (TypeDefinition type, List<ExportedMethod> exported)
{
foreach (MethodDefinition method in type.GetMethods ()) {
CustomAttribute attribute;
if (TryGetExportAttribute (method, out attribute)) {
exported.Add (new ExportedMethod (attribute, method));
continue;
}
if (!method.IsVirtual)
continue;
var bases = Annotations.GetBaseMethods (method);
if (bases == null)
continue;
foreach (MethodDefinition @base in bases) {
if (@base.DeclaringType.IsInterface)
continue;
if (TryGetExportAttribute (@base, out attribute)) {
exported.Add (new ExportedMethod (attribute, method));
break;
}
}
}
}
protected string GenerateMethod(TypeDefinition type, string methodName, bool followDependencies)
{
var method = type.GetMethods(methodName).First();
TextWriter writer = new StringWriter();
var generator = new JsCodeGenerator(this.typeSystem, writer, false);
var context = new TranslationContext(this.typeSystem, generator);
var asmDependencies = new List<AssemblyDefinition>();
context.GenerateMethod(method, followDependencies, asmDependencies);
return writer.ToString();
}
static bool IsAllStatic (TypeDefinition type)
{
if (type == null)
return false;
if (type.HasMethods) {
foreach (MethodDefinition ctor in type.GetConstructors ()) {
// let's the default ctor pass (since it's always here for 1.x code)
if (!ctor.IsStatic && ctor.HasParameters)
return false;
}
foreach (MethodDefinition method in type.GetMethods ()) {
if (!method.IsStatic)
return false;
}
}
if (type.HasFields) {
foreach (FieldDefinition field in type.Fields) {
if (!field.IsStatic)
return false;
}
}
if (type.BaseType.FullName == "System.Object")
return true;
return IsAllStatic (type.BaseType.Resolve ());
}
public RuleResult CheckType (TypeDefinition type)
{
if (type.IsEnum || type.IsGeneratedCode ())
return RuleResult.DoesNotApply;
CheckAbstractClassWithoutResponsability (type);
if (avoidUnusedParameters != null) {
foreach (MethodDefinition method in type.GetMethods ()) {
avoidUnusedParameters.CheckMethod (method);
}
}
CheckUnnecesaryDelegation (type);
return Runner.CurrentRuleResult;
}
private static bool MostlyMethodsDelegatesCall (TypeDefinition type)
{
if (!type.HasMethods)
return false; // 0 / 2 + 1 <= 0
int delegationCounter = 0;
IList<MethodDefinition> methods = type.GetMethods ().ToList ();
foreach (MethodDefinition method in methods) {
if (OnlyDelegatesCall (method))
delegationCounter++;
}
return methods.Count / 2 + 1 <= delegationCounter;
}
static bool IsAllStatic (TypeDefinition type)
{
if (type.HasMethods) {
foreach (MethodDefinition ctor in type.GetConstructors ()) {
// let's the default ctor pass (since it's always here for 1.x code)
if (!ctor.IsStatic && ctor.HasParameters)
return false;
}
foreach (MethodDefinition method in type.GetMethods ()) {
if (!method.IsStatic)
return false;
}
}
if (type.HasFields) {
foreach (FieldDefinition field in type.Fields) {
if (!field.IsStatic)
return false;
}
}
return true;
}
public RuleResult CheckType (TypeDefinition type)
{
if (type.IsEnum || type.IsDelegate ())
return RuleResult.DoesNotApply;
if (GetMethodCount (type) == 0)
return RuleResult.DoesNotApply;
// we look for a Parse method defined in the type
bool has_parse = false;
foreach (MethodDefinition method in type.GetMethods ()) {
if (MethodSignatures.Parse.Matches (method)) {
// the type provides a "<type> <type>::Parse(string)" method
has_parse = true;
break;
}
}
// if no Parse method is found; or
// if a Parse method is found along with a TryParse method
if (!has_parse || HasTryParseMethod (type))
return RuleResult.Success;
// otherwise we report a defect to add a TryParse alternative
Runner.Report (type, Severity.Medium, Confidence.High);
return RuleResult.Failure;
}
private void AutoModifyMethod(TypeDefinition targetType, MethodDefinition yourMethod,
MemberActionAttribute memberAction)
{
Log_modifying_member("method", yourMethod);
var bodySource = yourMethod;
var insertAttribute = yourMethod.GetCustomAttribute<DuplicatesBodyAttribute>();
if (insertAttribute != null) {
//Note that the source type is resolved using yourMethod's module, which uses a different IMetadataResolver,
//and thus will resolve the method from the target, unmodified assembly.
var importSourceType = insertAttribute.SourceType != null
? yourMethod.Module.Import((TypeReference) insertAttribute.SourceType)
: yourMethod.Module.Import(targetType);
var importMethod = importSourceType.Resolve().GetMethods(insertAttribute.MethodName,
yourMethod.Parameters.Select(x => x.ParameterType)).SingleOrDefault();
var others =
importSourceType.Resolve().Methods.Where(x => x.Name == insertAttribute.MethodName).ToArray();
if (importMethod == null) {
throw Errors.Missing_member("method", yourMethod, insertAttribute.MethodName);
}
bodySource = importMethod;
}
var modifiesMemberAttr = memberAction as ModifiesMemberAttribute;
var newMemberAttr = memberAction as NewMemberAttribute;
ModificationScope scope;
string targetMethodName;
if (modifiesMemberAttr != null) {
targetMethodName = modifiesMemberAttr.MemberName ?? yourMethod.Name;
scope = modifiesMemberAttr.Scope;
} else if (newMemberAttr != null) {
targetMethodName = yourMethod.Name;
scope = ModificationScope.All;
} else {
throw Errors.Unknown_action_attribute(memberAction);
}
var targetMethod =
targetType.GetMethods(targetMethodName, yourMethod.Parameters.Select(x => x.ParameterType)).FirstOrDefault();
if (targetMethod == null) {
throw Errors.Missing_member("method", yourMethod, targetMethodName);
}
if (modifiesMemberAttr != null && targetMethod.IsAbstract && (scope & ModificationScope.Body) != 0) {
throw Errors.Invalid_member("method", yourMethod, targetMethod.FullName,
"You cannot modify the body of an abstract method.");
}
ModifyMethod(targetMethod, yourMethod, scope & ~ModificationScope.Body, newMemberAttr != null);
ModifyMethod(targetMethod, bodySource, ModificationScope.Body & scope, false);
}
