public TypeConversion(float quality, bool isNatural, MemberDescription implicitConversion = null, MemberDescription explicitConversion = null)
{
this.Quality = quality;
this.IsNatural = isNatural;
this.Implicit = implicitConversion;
this.Explicit = explicitConversion;
}
public TypeConversion Expand(MemberDescription implicitConversion, MemberDescription explicitConversion)
{
implicitConversion = implicitConversion ?? this.Implicit;
explicitConversion = explicitConversion ?? this.Explicit;
if (implicitConversion == this.Implicit && explicitConversion == this.Explicit)
{
return(this);
}
var newQuality = Math.Max(this.Quality, this.Implicit != null ? QUALITY_IMPLICIT_CONVERSION : QUALITY_EXPLICIT_CONVERSION);
return(new TypeConversion(newQuality, this.IsNatural, implicitConversion, explicitConversion));
}
private MemberDescription[] GetOperators(List <MethodInfo> methods, MemberDescription[] methodsDescriptions, string operatorName, int?compareParameterIndex = null)
{
if (methods == null)
{
throw new ArgumentNullException("methods");
}
if (methodsDescriptions == null)
{
throw new ArgumentNullException("methodsDescriptions");
}
if (operatorName == null)
{
throw new ArgumentNullException("operatorName");
}
var operators = default(List <MemberDescription>);
for (var i = 0; i < methods.Count; i++)
{
var method = methods[i];
if (method.Name != operatorName)
{
continue;
}
if (methodsDescriptions[i] == null)
{
methodsDescriptions[i] = new MemberDescription(this, method);
}
var methodDescription = methodsDescriptions[i];
if (compareParameterIndex.HasValue && methodDescription.GetParameterType(compareParameterIndex.Value) != this.type)
{
continue;
}
if (operators == null)
{
operators = new List <MemberDescription>();
}
operators.Add(new MemberDescription(this, method));
}
return(operators != null?operators.ToArray() : EmptyMembers);
}
private static bool TryMakeGenericMethod(ref MemberDescription methodDescription, Type[] typeArguments)
{
if (methodDescription == null)
{
throw new ArgumentNullException("methodDescription");
}
try
{
if (typeArguments != null)
{
methodDescription = methodDescription.MakeGenericMethod(typeArguments);
}
Debug.Assert(methodDescription != null, "methodDescription != null");
return(true);
}
catch
{
return(false);
}
}
public bool TryResolveMember(object memberName, out MemberDescription member)
{
member = null;
if (memberName is SyntaxTreeNode == false)
{
return(false);
}
var memberNode = (SyntaxTreeNode)memberName;
var typeName = memberNode.GetTypeName(throwOnError: false);
var type = default(Type);
if (typeName == null || this.TryResolveType(typeName, out type) == false)
{
return(false);
}
var name = memberNode.GetName(throwOnError: false);
var nameRef = default(TypeReference);
if (name == null || TryGetTypeReference(name, out nameRef) == false)
{
return(false);
}
var genericArguments = default(Type[]);
if (nameRef.IsGenericType)
{
genericArguments = new Type[nameRef.TypeArguments.Count];
for (var i = 0; i < genericArguments.Length; i++)
{
var typeArgument = nameRef.TypeArguments[i];
if (this.TryResolveType(typeArgument, out genericArguments[i]) == false)
{
return(false);
}
}
}
var typeDescription = TypeDescription.GetTypeDescription(type);
var argumentNames = memberNode.GetArgumentNames(throwOnError: false);
var members = nameRef.Name == ".ctor" ? typeDescription.Constructors : typeDescription.GetMembers(nameRef.Name);
foreach (var declaredMember in members)
{
if ((declaredMember.IsMethod || declaredMember.IsConstructor) && argumentNames != null)
{
var paramsCount = declaredMember.GetParametersCount();
if (paramsCount != argumentNames.Count)
{
continue;
}
else if (paramsCount > 0)
{
for (var i = 0; i < paramsCount; i++)
{
var parameter = declaredMember.GetParameter(i);
var parameterIndex = Constants.GetIndexAsString(parameter.Position);
var argumentName = default(string);
if (argumentNames.TryGetValue(parameterIndex, out argumentName) == false)
{
break;
}
if (string.Equals(argumentName, parameter.Name, StringComparison.OrdinalIgnoreCase) == false &&
string.Equals(argumentName, parameterIndex, StringComparison.OrdinalIgnoreCase) == false)
{
break;
}
if (i == paramsCount - 1)
{
member = declaredMember;
return(TryMakeGenericMethod(ref member, genericArguments));
}
}
}
else
{
member = declaredMember;
return(TryMakeGenericMethod(ref member, genericArguments));
}
}
else if (nameRef.TypeArguments.Count == declaredMember.GenericArgumentsCount)
{
member = declaredMember;
return(TryMakeGenericMethod(ref member, genericArguments));
}
}
return(false);
}
public TypeDescription(Type type, TypeCache cache)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (cache == null)
{
throw new ArgumentNullException("cache");
}
this.type = type;
this.hashCode = type.GetHashCode();
this.Name = NameUtils.RemoveGenericSuffix(NameUtils.WriteName(type)).ToString();
cache.Add(type, this);
var typeInfo = type.GetTypeInfo();
var underlyingType = default(Type);
if (typeInfo.IsEnum)
{
underlyingType = Enum.GetUnderlyingType(type);
}
else if (typeInfo.IsValueType)
{
underlyingType = Nullable.GetUnderlyingType(type);
}
else if (typeInfo.IsArray)
{
underlyingType = typeInfo.GetElementType();
}
this.BaseType = typeInfo.BaseType != null?cache.GetOrCreateTypeDescription(typeInfo.BaseType) : null;
this.UnderlyingType = underlyingType != null?cache.GetOrCreateTypeDescription(underlyingType) : null;
this.BaseTypes = GetBaseTypes(this, 0);
this.Interfaces = typeInfo.GetImplementedInterfaces().Select(cache.GetOrCreateTypeDescription).ToArray();
this.GenericArguments = typeInfo.IsGenericType ? ArrayUtils.ConvertAll(typeInfo.GetGenericArguments(), cache.GetOrCreateTypeDescription) : EmptyTypes;
this.IsInterface = typeInfo.IsInterface;
this.IsValueType = typeInfo.IsValueType;
this.IsNullable = Nullable.GetUnderlyingType(type) != null;
this.IsNumber = NumberUtils.IsNumber(type);
this.CanBeNull = this.IsNullable || typeInfo.IsValueType == false;
this.IsEnum = typeInfo.IsEnum;
this.IsVoid = type == typeof(void);
this.IsDelegate = typeof(Delegate).GetTypeInfo().IsAssignableFrom(typeInfo) && type != typeof(Delegate) && type != typeof(MulticastDelegate);
this.HasGenericParameters = typeInfo.ContainsGenericParameters;
if (this.IsVoid)
{
this.DefaultExpression = Expression.Constant(null, typeof(object));
}
else
{
this.DefaultExpression = Expression.Constant(typeInfo.IsValueType && this.IsNullable == false ? Activator.CreateInstance(type) : null, type);
}
this.TypeCode = ReflectionUtils.GetTypeCode(type);
this.MembersByName = this.GetMembersByName(ref this.Indexers);
var methods = typeInfo.GetAllMethods().Where(m => m.IsPublic && m.IsStatic).ToList();
var methodsDescriptions = new MemberDescription[methods.Count];
// ReSharper disable LocalizableElement
this.ImplicitConvertTo = this.GetOperators(methods, methodsDescriptions, "op_Implicit", 0);
this.ImplicitConvertFrom = this.GetOperators(methods, methodsDescriptions, "op_Implicit", -1);
this.ExplicitConvertTo = this.GetOperators(methods, methodsDescriptions, "op_Explicit", 0);
this.ExplicitConvertFrom = this.GetOperators(methods, methodsDescriptions, "op_Explicit", -1);
this.Addition = this.GetOperators(methods, methodsDescriptions, "op_Addition");
this.Division = this.GetOperators(methods, methodsDescriptions, "op_Division");
this.Equality = this.GetOperators(methods, methodsDescriptions, "op_Equality");
this.GreaterThan = this.GetOperators(methods, methodsDescriptions, "op_GreaterThan");
this.GreaterThanOrEqual = this.GetOperators(methods, methodsDescriptions, "op_GreaterThanOrEqual");
this.Inequality = this.GetOperators(methods, methodsDescriptions, "op_Inequality");
this.LessThan = this.GetOperators(methods, methodsDescriptions, "op_LessThan");
this.LessThanOrEqual = this.GetOperators(methods, methodsDescriptions, "op_LessThanOrEqual");
this.Modulus = this.GetOperators(methods, methodsDescriptions, "op_Modulus");
this.Multiply = this.GetOperators(methods, methodsDescriptions, "op_Multiply");
this.Subtraction = this.GetOperators(methods, methodsDescriptions, "op_Subtraction");
this.UnaryNegation = this.GetOperators(methods, methodsDescriptions, "op_UnaryNegation");
this.UnaryPlus = this.GetOperators(methods, methodsDescriptions, "op_UnaryPlus");
this.BitwiseAnd = this.GetOperators(methods, methodsDescriptions, "op_BitwiseAnd");
this.BitwiseOr = this.GetOperators(methods, methodsDescriptions, "op_BitwiseOr");
// ReSharper restore LocalizableElement
this.Conversions = Combine(this.ImplicitConvertTo, this.ImplicitConvertFrom, this.ExplicitConvertTo, this.ExplicitConvertFrom);
this.Constructors = type.GetTypeInfo().GetPublicInstanceConstructors().Select(ctr => new MemberDescription(this, ctr)).ToArray();
Array.Sort(this.Conversions);
Array.Sort(this.Constructors);
if (this.IsNullable && this.UnderlyingType != null)
{
this.UnderlyingType.nullableType = this;
}
}
private Dictionary <string, MemberDescription[]> GetMembersByName(ref MemberDescription[] indexers)
{
var declaredMembers = GetDeclaredMembers(this.type);
var memberSetsByName = new Dictionary <string, HashSet <MemberDescription> >((this.BaseType != null ? this.BaseType.MembersByName.Count : 0) + declaredMembers.Count);
foreach (var member in declaredMembers)
{
var memberDescription = default(MemberDescription);
var method = member as MethodInfo;
var field = member as FieldInfo;
var property = member as PropertyInfo;
if (property != null)
{
memberDescription = new MemberDescription(this, property);
if (memberDescription.GetParametersCount() != 0)
{
Add(ref indexers, memberDescription);
}
}
else if (field != null)
{
memberDescription = new MemberDescription(this, field);
}
else if (method != null && method.IsSpecialName == false)
{
memberDescription = new MemberDescription(this, method);
}
if (memberDescription == null)
{
continue;
}
var members = default(HashSet <MemberDescription>);
if (memberSetsByName.TryGetValue(memberDescription.Name, out members) == false)
{
memberSetsByName[memberDescription.Name] = members = new HashSet <MemberDescription>();
}
members.Add(memberDescription);
}
if (this.BaseType != null)
{
foreach (var kv in this.BaseType.MembersByName)
{
var memberName = kv.Key;
var memberList = kv.Value;
var members = default(HashSet <MemberDescription>);
if (memberSetsByName.TryGetValue(memberName, out members) == false)
{
memberSetsByName[memberName] = members = new HashSet <MemberDescription>();
}
foreach (var member in memberList)
{
members.Add(member);
}
}
}
var membersByName = new Dictionary <string, MemberDescription[]>(memberSetsByName.Count, StringComparer.Ordinal);
foreach (var kv in memberSetsByName)
{
var membersArray = kv.Value.ToArray();
Array.Sort(membersArray);
membersByName.Add(kv.Key, membersArray);
}
return(membersByName);
}
