void WriteType(IReturnType rt) { if (rt == null) { writer.Write(NullRTReferenceCode); return; } if (rt.IsDefaultReturnType) { string name = rt.FullyQualifiedName; if (name == "System.Void") { writer.Write(VoidRTCode); } else { writer.Write(classIndices[new ClassNameTypeCountPair(rt)]); } } else if (rt.IsGenericReturnType) { GenericReturnType grt = rt.CastToGenericReturnType(); if (grt.TypeParameter.Method != null) { writer.Write(MethodGenericRTCode); } else { writer.Write(TypeGenericRTCode); } writer.Write(grt.TypeParameter.Index); } else if (rt.IsArrayReturnType) { writer.Write(ArrayRTCode); writer.Write(rt.CastToArrayReturnType().ArrayDimensions); WriteType(rt.CastToArrayReturnType().ArrayElementType); } else if (rt.IsConstructedReturnType) { ConstructedReturnType crt = rt.CastToConstructedReturnType(); writer.Write(ConstructedRTCode); WriteType(crt.UnboundType); writer.Write((byte)crt.TypeArguments.Count); foreach (IReturnType typeArgument in crt.TypeArguments) { WriteType(typeArgument); } } else if (rt.IsDecoratingReturnType <PointerReturnType>()) { writer.Write(PointerRTCode); WriteType(rt.CastToDecoratingReturnType <PointerReturnType>().BaseType); } else { writer.Write(NullRTReferenceCode); LoggingService.Warn("Unknown return type: " + rt.ToString()); } }
public static bool IsApplicable(IReturnType argument, IParameter expected, IMethod targetMethod) { bool parameterIsRefOrOut = expected.IsRef || expected.IsOut; bool argumentIsRefOrOut = argument != null && argument.IsDecoratingReturnType <ReferenceReturnType>(); if (parameterIsRefOrOut != argumentIsRefOrOut) { return(false); } if (parameterIsRefOrOut) { return(object.Equals(argument, expected.ReturnType)); } else { return(IsApplicable(argument, expected.ReturnType, targetMethod)); } }
void AddExternalType(IReturnType rt, List <ClassNameTypeCountPair> externalTypes, int classCount) { if (rt.IsDefaultReturnType) { ClassNameTypeCountPair pair = new ClassNameTypeCountPair(rt); if (!classIndices.ContainsKey(pair)) { classIndices.Add(pair, externalTypes.Count + classCount); externalTypes.Add(pair); } } else if (rt.IsGenericReturnType) { // ignore } else if (rt.IsArrayReturnType) { AddExternalType(rt.CastToArrayReturnType().ArrayElementType, externalTypes, classCount); } else if (rt.IsConstructedReturnType) { AddExternalType(rt.CastToConstructedReturnType().UnboundType, externalTypes, classCount); foreach (IReturnType typeArgument in rt.CastToConstructedReturnType().TypeArguments) { AddExternalType(typeArgument, externalTypes, classCount); } } else if (rt.IsDecoratingReturnType <PointerReturnType>()) { AddExternalType(rt.CastToDecoratingReturnType <PointerReturnType>().BaseType, externalTypes, classCount); } else { LoggingService.Warn("Unknown return type: " + rt.ToString()); } }
void WriteType(IReturnType rt) { if (rt == null) { writer.Write(NullRTReferenceCode); return; } if (rt.IsDefaultReturnType) { string name = rt.FullyQualifiedName; if (name == "System.Void") { writer.Write(VoidRTCode); } else { writer.Write(classIndices[new ClassNameTypeCountPair(rt)]); } } else if (rt.IsGenericReturnType) { GenericReturnType grt = rt.CastToGenericReturnType(); if (grt.TypeParameter.Method != null) { writer.Write(MethodGenericRTCode); } else { writer.Write(TypeGenericRTCode); } writer.Write(grt.TypeParameter.Index); } else if (rt.IsArrayReturnType) { writer.Write(ArrayRTCode); writer.Write(rt.CastToArrayReturnType().ArrayDimensions); WriteType(rt.CastToArrayReturnType().ArrayElementType); } else if (rt.IsConstructedReturnType) { ConstructedReturnType crt = rt.CastToConstructedReturnType(); writer.Write(ConstructedRTCode); WriteType(crt.UnboundType); writer.Write((byte)crt.TypeArguments.Count); foreach (IReturnType typeArgument in crt.TypeArguments) { WriteType(typeArgument); } } else if (rt.IsDecoratingReturnType<PointerReturnType>()) { writer.Write(PointerRTCode); WriteType(rt.CastToDecoratingReturnType<PointerReturnType>().BaseType); } else { writer.Write(NullRTReferenceCode); LoggingService.Warn("Unknown return type: " + rt.ToString()); } }
void AddExternalType(IReturnType rt, List<ClassNameTypeCountPair> externalTypes, int classCount) { if (rt.IsDefaultReturnType) { ClassNameTypeCountPair pair = new ClassNameTypeCountPair(rt); if (!classIndices.ContainsKey(pair)) { classIndices.Add(pair, externalTypes.Count + classCount); externalTypes.Add(pair); } } else if (rt.IsGenericReturnType) { // ignore } else if (rt.IsArrayReturnType) { AddExternalType(rt.CastToArrayReturnType().ArrayElementType, externalTypes, classCount); } else if (rt.IsConstructedReturnType) { AddExternalType(rt.CastToConstructedReturnType().UnboundType, externalTypes, classCount); foreach (IReturnType typeArgument in rt.CastToConstructedReturnType().TypeArguments) { AddExternalType(typeArgument, externalTypes, classCount); } } else if (rt.IsDecoratingReturnType<PointerReturnType>()) { AddExternalType(rt.CastToDecoratingReturnType<PointerReturnType>().BaseType, externalTypes, classCount); } else { LoggingService.Warn("Unknown return type: " + rt.ToString()); } }
/// <summary> /// Tests if an implicit conversion exists from "from" to "to". /// Conversions from concrete types to generic types are only allowed when the generic type belongs to the /// method "allowGenericTargetsOnThisMethod". /// </summary> static bool ConversionExistsInternal(IReturnType from, IReturnType to, IMethod allowGenericTargetsOnThisMethod) { // ECMA-334, § 13.1 Implicit conversions // Identity conversion: if (from == to) { return(true); } if (from == null || to == null) { return(false); } if (from.Equals(to)) { return(true); } bool fromIsDefault = from.IsDefaultReturnType; bool toIsDefault = to.IsDefaultReturnType; if (fromIsDefault && toIsDefault) { // Implicit numeric conversions: int f = GetPrimitiveType(from); int t = GetPrimitiveType(to); if (f == SByte && (t == Short || t == Int || t == Long || t == Float || t == Double || t == Decimal)) { return(true); } if (f == Byte && (t == Short || t == UShort || t == Int || t == UInt || t == Long || t == ULong || t == Float || t == Double || t == Decimal)) { return(true); } if (f == Short && (t == Int || t == Long || t == Float || t == Double || t == Decimal)) { return(true); } if (f == UShort && (t == Int || t == UInt || t == Long || t == ULong || t == Float || t == Double || t == Decimal)) { return(true); } if (f == Int && (t == Long || t == Float || t == Double || t == Decimal)) { return(true); } if (f == UInt && (t == Long || t == ULong || t == Float || t == Double || t == Decimal)) { return(true); } if ((f == Long || f == ULong) && (t == Float || t == Double || t == Decimal)) { return(true); } if (f == Char && (t == UShort || t == Int || t == UInt || t == Long || t == ULong || t == Float || t == Double || t == Decimal)) { return(true); } if (f == Float && t == Double) { return(true); } } // Implicit reference conversions: if (toIsDefault && to.FullyQualifiedName == "System.Object") { return(true); // from any type to object } if (from == NullReturnType.Instance) { IClass toClass = to.GetUnderlyingClass(); if (toClass != null) { switch (toClass.ClassType) { case ClassType.Class: case ClassType.Delegate: case ClassType.Interface: return(true); case ClassType.Struct: return(toClass.FullyQualifiedName == "System.Nullable"); } } return(false); } if ((toIsDefault || to.IsConstructedReturnType || to.IsGenericReturnType) && (fromIsDefault || from.IsArrayReturnType || from.IsConstructedReturnType)) { foreach (IReturnType baseTypeOfFrom in GetTypeInheritanceTree(from)) { if (IsConstructedConversionToGenericReturnType(baseTypeOfFrom, to, allowGenericTargetsOnThisMethod)) { return(true); } } } if (from.IsArrayReturnType && to.IsArrayReturnType) { ArrayReturnType fromArt = from.CastToArrayReturnType(); ArrayReturnType toArt = to.CastToArrayReturnType(); // from array to other array type if (fromArt.ArrayDimensions == toArt.ArrayDimensions) { return(ConversionExistsInternal(fromArt.ArrayElementType, toArt.ArrayElementType, allowGenericTargetsOnThisMethod)); } } if (from.IsDecoratingReturnType <AnonymousMethodReturnType>() && (toIsDefault || to.IsConstructedReturnType)) { AnonymousMethodReturnType amrt = from.CastToDecoratingReturnType <AnonymousMethodReturnType>(); IMethod method = CSharp.TypeInference.GetDelegateOrExpressionTreeSignature(to, amrt.CanBeConvertedToExpressionTree); if (method != null) { if (amrt.HasParameterList) { if (amrt.MethodParameters.Count != method.Parameters.Count) { return(false); } for (int i = 0; i < amrt.MethodParameters.Count; i++) { if (amrt.MethodParameters[i].ReturnType != null) { if (!object.Equals(amrt.MethodParameters[i].ReturnType, method.Parameters[i].ReturnType)) { return(false); } } } } IReturnType rt = amrt.ResolveReturnType(method.Parameters.Select(p => p.ReturnType).ToArray()); return(ConversionExistsInternal(rt, method.ReturnType, allowGenericTargetsOnThisMethod)); } } return(false); }