public virtual void VisitType(IType value)
 {
     if (value != null)
     {
         if (value is ITypeReference typeReference)
         {
             VisitTypeReference(typeReference);
         }
         else
         {
             if (value is IArrayType arrayType)
             {
                 VisitArrayType(arrayType);
             }
             else
             {
                 if (value is IPointerType pointerType)
                 {
                     VisitPointerType(pointerType);
                 }
                 else
                 {
                     if (value is IReferenceType referenceType)
                     {
                         VisitReferenceType(referenceType);
                     }
                     else
                     {
                         if (value is IOptionalModifier optionalModifier)
                         {
                             VisitOptionalModifier(optionalModifier);
                         }
                         else
                         {
                             if (value is IRequiredModifier requiredModifier)
                             {
                                 VisitRequiredModifier(requiredModifier);
                             }
                             else
                             {
                                 if (value is IFunctionPointer functionPointer)
                                 {
                                     VisitFunctionPointer(functionPointer);
                                 }
                                 else
                                 {
                                     if (value is IGenericParameter genericParameter)
                                     {
                                         VisitGenericParameter(genericParameter);
                                     }
                                     else
                                     {
                                         IGenericArgument genericArgument = value as IGenericArgument;
                                         if (genericArgument == null)
                                         {
                                             throw new NotSupportedException(string.Format(CultureInfo.InvariantCulture, "Invalid type '{0}'.", new object[]
                                             {
                                                 value.GetType().Name
                                             }));
                                         }
                                         VisitGenericArgument(genericArgument);
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
     }
 }
 public virtual void VisitGenericArgument(IGenericArgument type)
 {
 }
        private string GetTypeText(IType value)
        {
            ITypeReference typeReference = value as ITypeReference;

            if (typeReference != null)
            {
                string specialName = this.GetTypeSpecialNameText(typeReference);
                if ((specialName != null) && (specialName.Length > 0))
                {
                    return(specialName);
                }

                string typeReferenceText = this.GetTypeReferenceText(typeReference);
                return(typeReferenceText);
            }

            IPointerType pointerType = value as IPointerType;

            if (pointerType != null)
            {
                return(this.GetTypeText(pointerType.ElementType) + "*");
            }

            IReferenceType referenceType = value as IReferenceType;

            if (referenceType != null)
            {
                return(this.GetTypeText(referenceType.ElementType) + "&");
            }

            IArrayType arrayType = value as IArrayType;

            if (arrayType != null)
            {
                using (StringWriter writer = new StringWriter(CultureInfo.InvariantCulture))
                {
                    writer.Write(this.GetTypeText(arrayType.ElementType));
                    writer.Write("[");

                    IArrayDimensionCollection dimensions = arrayType.Dimensions;
                    for (int i = 0; i < dimensions.Count; i++)
                    {
                        if (i != 0)
                        {
                            writer.Write(",");
                        }

                        int lowerBound = dimensions[i].LowerBound;
                        int upperBound = dimensions[i].UpperBound;

                        if (lowerBound != -1)
                        {
                            writer.Write(lowerBound.ToString(CultureInfo.InvariantCulture));
                        }

                        if ((lowerBound != -1) || (upperBound != -1))
                        {
                            writer.Write(":");
                        }

                        if (upperBound != -1)
                        {
                            writer.Write(upperBound.ToString(CultureInfo.InvariantCulture));
                        }
                    }

                    writer.Write("]");
                    return(writer.ToString());
                }
            }

            IOptionalModifier optionalModifier = value as IOptionalModifier;

            if (optionalModifier != null)
            {
                return("{optional:" + this.GetTypeText(optionalModifier.Modifier) + "}" + this.GetTypeText(optionalModifier.ElementType));
            }

            IRequiredModifier requiredModifier = value as IRequiredModifier;

            if (requiredModifier != null)
            {
                return("{required:" + this.GetTypeText(requiredModifier.Modifier) + "}" + this.GetTypeText(requiredModifier.ElementType));
            }

            IFunctionPointer functionPointer = value as IFunctionPointer;

            if (functionPointer != null)
            {
                using (StringWriter writer = new StringWriter(CultureInfo.InvariantCulture))
                {
                    writer.Write("*");
                    writer.Write("(");

                    for (int i = 0; i < functionPointer.Parameters.Count; i++)
                    {
                        if (i != 0)
                        {
                            writer.Write(",");
                        }

                        writer.Write(this.GetTypeText(functionPointer.Parameters[i].ParameterType));
                    }

                    writer.Write(")");
                    writer.Write(":");
                    writer.Write(this.GetTypeText(functionPointer.ReturnType.Type));
                    return(writer.ToString());
                }
            }

            IGenericParameter genericParameter = value as IGenericParameter;

            if (genericParameter != null)
            {
                return(genericParameter.Name);
            }

            IGenericArgument genericArgument = value as IGenericArgument;

            if (genericArgument != null)
            {
                ITypeReference genericType = genericArgument.Owner as ITypeReference;
                if (genericType != null)
                {
                    return("<!" + genericArgument.Position.ToString(CultureInfo.InvariantCulture) + ">");
                }

                IMethodReference genericMethod = genericArgument.Owner as IMethodReference;
                if (genericMethod != null)
                {
                    return("<!!" + genericArgument.Position.ToString(CultureInfo.InvariantCulture) + ">");
                }
            }

            throw new NotSupportedException("Invalid type in code identifier.");
        }
 public virtual IType TransformGenericArgument(IGenericArgument value)
 {
     return value;
 }