void ProcessPotentialName(ProcessedFieldInfo processedField)
{
if (RestrictedObjSelectors.IsImportantSelector(processedField.GetterName) || RestrictedObjSelectors.IsImportantSelector(processedField.SetterName))
{
string newName = "managed" + processedField.Name.PascalCase();
Delayed.Add(ErrorHelper.CreateWarning(1051, $"Element {processedField.Name} is generated instead as {newName} because its name conflicts with an important objective-c selector."));
processedField.NameOverride = newName;
}
}
public override void Process(IEnumerable <Assembly> input)
{
base.Process(input);
Types = Types.OrderBy((arg) => arg.Type.FullName).OrderBy((arg) => Types.HasClass(arg.Type.BaseType)).ToList();
Console.WriteLine($"\t{Types.Count} types found");
// proceed with extra adjustments before giving results to the generator
foreach (var t in Types)
{
foreach (var uctor in GetUnavailableParentCtors(t))
{
var c = new ProcessedConstructor(uctor.Constructor, this)
{
Unavailable = true
};
t.Constructors.Add(c);
}
}
// we want to create wrappers only if the signature does not already exists, e.g. both `.ctor ()` and `.ctor (int i = 0)` can co-exists in .net
foreach (var dv in members_with_default_values)
{
var pt = GetProcessedType(dv.DeclaringType);
var ci = dv as ConstructorInfo;
if (ci != null)
{
foreach (var pc in AddDefaultValuesWrappers(ci))
{
if (!pt.SignatureExists(pc))
{
pt.Constructors.Add(pc);
}
else
{
Delayed.Add(ErrorHelper.CreateWarning(1021, $"Constructor `{ci}` has default values for which no wrapper is generated."));
}
}
continue;
}
var mi = dv as MethodInfo;
foreach (var pm in AddDefaultValuesWrappers(mi))
{
if (!pt.SignatureExists(pm))
{
pt.Methods.Add(pm);
}
else
{
Delayed.Add(ErrorHelper.CreateWarning(1032, $"Method `{mi}` has default values for which no wrapper is generated."));
}
}
}
ErrorHelper.Show(Delayed);
}
void ProcessPotentialName(ProcessedProperty processedProperty)
{
string getSignature = processedProperty.HasGetter ? processedProperty.GetMethod.ObjCSignature : "";
string setSignature = processedProperty.HasSetter ? processedProperty.SetMethod.ObjCSignature : "";
if (RestrictedObjSelectors.IsImportantSelector(getSignature) || RestrictedObjSelectors.IsImportantSelector(setSignature))
{
string newName = "managed" + processedProperty.Name.PascalCase();
Delayed.Add(ErrorHelper.CreateWarning(1051, $"Element {processedProperty.Name} is generated instead as {newName} because its name conflicts with an important objective-c selector."));
processedProperty.NameOverride = newName;
}
}
protected IEnumerable <PropertyInfo> GetProperties(Type t)
{
foreach (var pi in t.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly))
{
var pt = pi.PropertyType;
if (!IsSupported(pt))
{
Delayed.Add(ErrorHelper.CreateWarning(1040, $"Property `{pi}` is not generated because of parameter type `{pt}` is not supported."));
continue;
}
yield return(pi);
}
}
protected IEnumerable <ProcessedProperty> PostProcessSubscriptProperties(IEnumerable <ProcessedProperty> properties)
{
foreach (ProcessedProperty processedProperty in properties)
{
if (Mapper.CheckForDuplicateSelectors(processedProperty) == DuplicationStatus.Unresolvable)
{
Delayed.Add(ErrorHelper.CreateWarning(1052, $"Element {processedProperty.Name} is not generated as its name conflicts with other elements on the same class."));
continue;
}
Mapper.Register(processedProperty);
yield return(processedProperty);
}
}
protected IEnumerable <FieldInfo> GetFields(Type t)
{
foreach (var fi in t.GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly))
{
if (!fi.IsPublic)
{
continue;
}
var ft = fi.FieldType;
if (!IsSupported(ft))
{
Delayed.Add(ErrorHelper.CreateWarning(1050, $"Field `{fi}` is not generated because of field type `{ft}` is not supported."));
continue;
}
yield return(fi);
}
}
protected IEnumerable <ProcessedFieldInfo> PostProcessFields(IEnumerable <ProcessedFieldInfo> fields)
{
foreach (ProcessedFieldInfo processedField in fields)
{
ProcessPotentialName(processedField);
if (Mapper.CheckForDuplicateSelectors(processedField) == DuplicationStatus.Unresolvable)
{
Delayed.Add(ErrorHelper.CreateWarning(1052, $"Element {processedField.Name} is not generated as its name conflicts with other elements on the same class."));
continue;
}
Mapper.Register(processedField);
yield return(processedField);
}
}
protected IEnumerable <ProcessedMethod> PostProcessMethods(IEnumerable <ProcessedMethod> methods)
{
var equals = new HashSet <MethodInfo> ();
foreach (var m in methods)
{
if (m.MethodType == MethodType.NSObjectProcotolIsEqual)
{
equals.Add(m.Method);
}
}
HashSet <MethodInfo> operatorToIgnore = new HashSet <MethodInfo> (OperatorOverloads.FindOperatorPairToIgnore(methods, equals));
foreach (var processedMethod in methods)
{
var method = processedMethod.Method;
if (operatorToIgnore.Contains(method))
{
Delayed.Add(ErrorHelper.CreateWarning(1033, $"Method {method.Name} is not generated because another method exposes the operator with a friendly name"));
continue;
}
if (IsOperatorOrFriendlyVersion(method))
{
processedMethod.IsOperator = true;
}
ProcessPotentialName(processedMethod);
if (Mapper.CheckForDuplicateSelectors(processedMethod) == DuplicationStatus.Unresolvable)
{
Delayed.Add(ErrorHelper.CreateWarning(1052, $"Element {method.Name} is not generated as its name conflicts with other elements on the same class."));
continue;
}
Mapper.Register(processedMethod);
processedMethod.Freeze();
yield return(processedMethod);
}
}
protected IEnumerable <ProcessedMethod> PostProcessMethods(IEnumerable <ProcessedMethod> methods)
{
HashSet <string> duplicateNames = FindDuplicateNames(methods);
var equals = new HashSet <MethodInfo> ();
foreach (var m in methods)
{
if (m.MethodType == MethodType.NSObjectProcotolIsEqual)
{
equals.Add(m.Method);
}
}
HashSet <MethodInfo> operatorToIgnore = new HashSet <MethodInfo> (OperatorOverloads.FindOperatorPairToIgnore(methods, equals));
foreach (var processedMethod in methods)
{
var method = processedMethod.Method;
if (operatorToIgnore.Contains(method))
{
Delayed.Add(ErrorHelper.CreateWarning(1033, $"Method {method.Name} is not generated because another method exposes the operator with a friendly name"));
continue;
}
if (duplicateNames.Contains(CreateStringRep(method)) && method.Name != "CompareTo") // HACK
{
processedMethod.FallBackToTypeName = true;
}
if (IsOperatorOrFriendlyVersion(method))
{
processedMethod.IsOperator = true;
}
ProcessPotentialNameOverride(processedMethod);
yield return(processedMethod);
}
}
void ProcessPotentialName(ProcessedMethod processedMethod)
{
MethodInfo method = processedMethod.Method;
if (IsOperatorOrFriendlyVersion(method))
{
string nameOverride = OperatorOverloads.GetObjCName(processedMethod.Method.Name, processedMethod.Method.GetParameters().Length);
if (nameOverride != null)
{
processedMethod.NameOverride = nameOverride;
}
}
string objCSignature = processedMethod.ObjCSignature;
if (RestrictedObjSelectors.IsImportantSelector(objCSignature))
{
string newName = "managed" + method.Name.PascalCase();
processedMethod.NameOverride = newName;
Delayed.Add(ErrorHelper.CreateWarning(1051, $"Element {method.Name} is generated instead as {newName} because its name conflicts with an important objective-c selector."));
}
}
protected IEnumerable <ProcessedConstructor> GetConstructors(ProcessedType processedType)
{
Type t = processedType.Type;
foreach (var ctor in t.GetConstructors())
{
// .cctor not to be called directly by native code
if (ctor.IsStatic)
{
continue;
}
if (!ctor.IsPublic)
{
continue;
}
bool pcheck = true;
foreach (var p in ctor.GetParameters())
{
var pt = p.ParameterType;
if (!IsSupported(pt))
{
Delayed.Add(ErrorHelper.CreateWarning(1020, $"Constructor `{ctor}` is not generated because of parameter type `{pt}` is not supported."));
pcheck = false;
}
else if (p.HasDefaultValue)
{
members_with_default_values.Add(ctor);
}
}
if (!pcheck)
{
continue;
}
yield return(new ProcessedConstructor(ctor, this, processedType));
}
}
bool IsSupported(Type t)
{
if (t.IsByRef)
{
return(IsSupported(t.GetElementType()));
}
if (t.IsArray)
{
return(IsSupported(t.GetElementType()));
}
if (unsupported.Contains(t))
{
return(false);
}
if (t.IsPointer)
{
Delayed.Add(ErrorHelper.CreateWarning(1010, $"Type `{t}` is not generated because `unsafe pointers` are not supported."));
unsupported.Add(t);
return(false);
}
if (t.IsGenericParameter || t.IsGenericType)
{
Delayed.Add(ErrorHelper.CreateWarning(1010, $"Type `{t}` is not generated because `generics` are not supported."));
unsupported.Add(t);
return(false);
}
switch (t.Namespace)
{
case "System":
switch (t.Name)
{
case "Object": // we cannot accept arbitrary NSObject (which we might not have bound) into mono
case "DBNull":
case "Exception":
case "Type":
Delayed.Add(ErrorHelper.CreateWarning(1011, $"Type `{t}` is not generated because it lacks a native counterpart."));
unsupported.Add(t);
return(false);
case "DateTime": // FIXME: NSDateTime
Delayed.Add(ErrorHelper.CreateWarning(1012, $"Type `{t}` is not generated because it lacks a marshaling code with a native counterpart."));
unsupported.Add(t);
return(false);
case "Decimal":
return(AddDecimalSupport(t));
case "TimeSpan":
if (system_timespan == null)
{
system_timespan = new ProcessedType(t)
{
Assembly = GetMscorlib(t),
};
AddExtraType(system_timespan);
}
return(true);
case "IFormatProvider":
if (system_iformatprovider == null)
{
system_iformatprovider = new ProcessedType(t)
{
Assembly = GetMscorlib(t),
};
AddExtraType(system_iformatprovider);
}
return(true);
}
break;
case "System.Globalization":
switch (t.Name)
{
case "TimeSpanStyles": // enum for TimeSpan support
if (system_globalization_timespanstyles == null)
{
system_globalization_timespanstyles = new ProcessedType(t)
{
Assembly = GetMscorlib(t),
};
AddExtraType(system_globalization_timespanstyles);
}
return(true);
}
break;
}
var base_type = t.BaseType;
return((base_type == null) || base_type.Is("System", "Object") ? true : IsSupported(base_type));
}
public override void Process(ProcessedType pt)
{
Types.Add(pt);
if (pt.IsNativeReference)
{
return;
}
var t = pt.Type;
if (t.IsEnum)
{
return;
}
extension_type = t.HasCustomAttribute("System.Runtime.CompilerServices", "ExtensionAttribute");
implement_system_icomparable = t.Implements("System", "IComparable");
implement_system_icomparable_t = t.Implements("System", "IComparable`1");
implement_system_iequatable_t = t.Implements("System", "IEquatable`1");
var constructors = GetConstructors(t).OrderBy((arg) => arg.GetParameters().Length).ToList();
var processedConstructors = PostProcessConstructors(constructors).ToList();
pt.Constructors = processedConstructors;
var meths = GetMethods(pt).OrderBy((arg) => arg.Method.Name).ToList();
var processedMethods = PostProcessMethods(meths).ToList();
pt.Methods = processedMethods;
var props = new List <PropertyInfo> ();
var subscriptProps = new List <PropertyInfo> ();
foreach (var pi in GetProperties(t))
{
var getter = pi.GetGetMethod();
var setter = pi.GetSetMethod();
// setter only property are valid in .NET and we need to generate a method in ObjC (there's no writeonly properties)
if (getter == null)
{
continue;
}
// indexers are implemented as methods and object subscripting
if ((getter.GetParameters().Length > 0) || ((setter != null) && setter.GetParameters().Length > 1))
{
subscriptProps.Add(pi);
continue;
}
// we can do better than methods for the more common cases (readonly and readwrite)
processedMethods.RemoveAll(x => x.Method == getter);
processedMethods.RemoveAll(x => x.Method == setter);
props.Add(pi);
}
props = props.OrderBy((arg) => arg.Name).ToList();
var processedProperties = PostProcessProperties(props).ToList();
pt.Properties = processedProperties;
if (subscriptProps.Count > 0)
{
if (subscriptProps.Count > 1)
{
Delayed.Add(ErrorHelper.CreateWarning(1041, $"Indexed properties on {t.Name} is not generated because multiple indexed properties not supported."));
}
else
{
subscriptProperties.Add(t, PostProcessSubscriptProperties(subscriptProps).ToList());
}
}
// fields will need to be wrapped within properties
var f = GetFields(t).OrderBy((arg) => arg.Name).ToList();
var processedFields = PostProcessFields(f).ToList();
pt.Fields = processedFields;
}
protected IEnumerable <ProcessedMethod> GetMethods(ProcessedType type)
{
var t = type.Type;
foreach (var mi in t.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly))
{
if (!mi.IsPublic)
{
continue;
}
// handle special cases where we can implement something better, e.g. a better match
if (implement_system_icomparable_t)
{
// for X we prefer `IComparable<X>` to `IComparable` - since it will be exposed identically to ObjC
if (mi.Match("System.Int32", "CompareTo", t.FullName))
{
icomparable [t] = mi;
continue;
}
}
if (implement_system_icomparable && mi.Match("System.Int32", "CompareTo", "System.Object"))
{
// don't replace CompareTo(T) with CompareTo(Object)
if (!icomparable.ContainsKey(t))
{
icomparable.Add(t, mi);
}
continue;
}
if (mi.Match("System.Boolean", "Equals", "System.Object"))
{
yield return(new ProcessedMethod(mi, this)
{
DeclaringType = type,
MethodType = MethodType.NSObjectProcotolIsEqual,
});
continue;
}
if (implement_system_iequatable_t && mi.Match("System.Boolean", "Equals", new string [] { null }))
{
yield return(new ProcessedMethod(mi, this)
{
DeclaringType = type,
MethodType = MethodType.IEquatable,
});
continue;
}
if (mi.Match("System.Int32", "GetHashCode"))
{
yield return(new ProcessedMethod(mi, this)
{
DeclaringType = type,
MethodType = MethodType.NSObjectProcotolHash,
});
continue;
}
var rt = mi.ReturnType;
if (!IsSupported(rt))
{
Delayed.Add(ErrorHelper.CreateWarning(1030, $"Method `{mi}` is not generated because return type `{rt}` is not supported."));
continue;
}
bool pcheck = true;
foreach (var p in mi.GetParameters())
{
var pt = p.ParameterType;
if (!IsSupported(pt))
{
Delayed.Add(ErrorHelper.CreateWarning(1031, $"Method `{mi}` is not generated because of parameter type `{pt}` is not supported."));
pcheck = false;
}
else if (p.HasDefaultValue)
{
members_with_default_values.Add(mi);
}
}
if (!pcheck)
{
continue;
}
// handle extension methods
if (extension_type && mi.HasCustomAttribute("System.Runtime.CompilerServices", "ExtensionAttribute"))
{
var extended_type = mi.GetParameters() [0].ParameterType;
if (extended_type.IsPrimitive)
{
Delayed.Add(ErrorHelper.CreateWarning(1034, $"Extension method `{mi}` is not generated inside a category because they cannot be created on primitive type `{extended_type}`. A normal, static method was generated."));
}
else
{
Dictionary <Type, List <ProcessedMethod> > extensions;
if (!extensions_methods.TryGetValue(t, out extensions))
{
extensions = new Dictionary <Type, List <ProcessedMethod> > ();
extensions_methods.Add(t, extensions);
}
List <ProcessedMethod> extmethods;
if (!extensions.TryGetValue(extended_type, out extmethods))
{
extmethods = new List <ProcessedMethod> ();
extensions.Add(extended_type, extmethods);
}
extmethods.Add(new ProcessedMethod(mi, this));
continue;
}
}
yield return(new ProcessedMethod(mi, this));
}
}
bool IsSupported(Type t)
{
if (t.IsByRef)
{
return(IsSupported(t.GetElementType()));
}
if (unsupported.Contains(t))
{
return(false);
}
if (t.IsArray)
{
delayed.Add(ErrorHelper.CreateWarning(1010, $"Type `{t}` is not generated because `arrays` are not supported."));
unsupported.Add(t);
return(false);
}
if (t.IsPointer)
{
delayed.Add(ErrorHelper.CreateWarning(1010, $"Type `{t}` is not generated because `unsafe pointers` are not supported."));
unsupported.Add(t);
return(false);
}
if (t.IsGenericParameter || t.IsGenericType)
{
delayed.Add(ErrorHelper.CreateWarning(1010, $"Type `{t}` is not generated because `generics` are not supported."));
unsupported.Add(t);
return(false);
}
switch (t.Namespace)
{
case "System":
switch (t.Name)
{
case "Object": // we cannot accept arbitrary NSObject (which we might not have bound) into mono
case "DBNull":
case "Exception":
case "IFormatProvider":
case "Type":
delayed.Add(ErrorHelper.CreateWarning(1011, $"Type `{t}` is not generated because it lacks a native counterpart."));
unsupported.Add(t);
return(false);
case "DateTime": // FIXME: NSDateTime
case "Decimal": // FIXME: NSDecimal
case "TimeSpan":
delayed.Add(ErrorHelper.CreateWarning(1012, $"Type `{t}` is not generated because it lacks a marshaling code with a native counterpart."));
unsupported.Add(t);
return(false);
}
break;
}
var base_type = t.BaseType;
return((base_type == null) || base_type.Is("System", "Object") ? true : IsSupported(base_type));
}
public override void Process(IEnumerable <Assembly> input)
{
foreach (var a in input)
{
var pa = new ProcessedAssembly(a);
// ignoring/warning one is not an option as they could be different (e.g. different builds/versions)
if (!AddIfUnique(pa))
{
throw ErrorHelper.CreateError(12, $"The assembly name `{pa.Name}` is not unique");
}
foreach (var t in GetTypes(a))
{
if (t.IsEnum)
{
enums.Add(new ProcessedType(t));
continue;
}
if (t.IsInterface)
{
protocols.Add(new ProcessedType(t));
}
else
{
types.Add(new ProcessedType(t));
}
extension_type = t.HasCustomAttribute("System.Runtime.CompilerServices", "ExtensionAttribute");
implement_system_icomparable = t.Implements("System", "IComparable");
implement_system_icomparable_t = t.Implements("System", "IComparable`1");
var constructors = GetConstructors(t).OrderBy((arg) => arg.ParameterCount).ToList();
var processedConstructors = PostProcessConstructors(constructors).ToList();
if (processedConstructors.Count > 0)
{
ctors.Add(t, processedConstructors);
}
var typeEquals = equals.Where(x => x.Key == t).Select(x => x.Value);
var meths = GetMethods(t).OrderBy((arg) => arg.Name).ToList();
var processedMethods = PostProcessMethods(meths, typeEquals).ToList();
if (processedMethods.Count > 0)
{
methods.Add(t, processedMethods);
}
var props = new List <PropertyInfo> ();
var subscriptProps = new List <PropertyInfo> ();
foreach (var pi in GetProperties(t))
{
var getter = pi.GetGetMethod();
var setter = pi.GetSetMethod();
// setter only property are valid in .NET and we need to generate a method in ObjC (there's no writeonly properties)
if (getter == null)
{
continue;
}
// indexers are implemented as methods and object subscripting
if ((getter.ParameterCount > 0) || ((setter != null) && setter.ParameterCount > 1))
{
subscriptProps.Add(pi);
continue;
}
// we can do better than methods for the more common cases (readonly and readwrite)
processedMethods.RemoveAll(x => x.Method == getter);
processedMethods.RemoveAll(x => x.Method == setter);
props.Add(pi);
}
props = props.OrderBy((arg) => arg.Name).ToList();
var processedProperties = PostProcessProperties(props).ToList();
if (processedProperties.Count > 0)
{
properties.Add(t, processedProperties);
}
if (subscriptProps.Count > 0)
{
if (subscriptProps.Count > 1)
{
delayed.Add(ErrorHelper.CreateWarning(1041, $"Indexed properties on {t.Name} is not generated because multiple indexed properties not supported."));
}
else
{
subscriptProperties.Add(t, PostProcessSubscriptProperties(subscriptProps).ToList());
}
}
// fields will need to be wrapped within properties
var f = GetFields(t).OrderBy((arg) => arg.Name).ToList();
var processedFields = PostProcessFields(f).ToList();
if (processedFields.Count > 0)
{
fields.Add(t, processedFields);
}
}
}
types = types.OrderBy((arg) => arg.Type.FullName).OrderBy((arg) => types.Contains(arg.Type.BaseType)).ToList();
Console.WriteLine($"\t{types.Count} types found");
ErrorHelper.Show(delayed);
}
