Esempio n. 1
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  /**
   * @return true if this is an FQ name of a fictitious class representing the function type, e.g.
   *     kotlin.Function1 (but NOT kotlin.reflect.KFunction1)
   */
  public static boolean isNumberedFunctionClassFqName(@NotNull FqNameUnsafe fqName) {
    List<Name> segments = fqName.pathSegments();
    if (segments.size() != 2) return false;

    if (!BUILT_INS_PACKAGE_NAME.equals(first(segments))) return false;

    String shortName = last(segments).asString();
    return BuiltInFictitiousFunctionClassFactory.parseClassName(
            shortName, BUILT_INS_PACKAGE_FQ_NAME)
        != null;
  }
Esempio n. 2
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 @NotNull
 public static List<TypeProjection> getParameterTypeProjectionsFromFunctionType(
     @NotNull KotlinType type) {
   assert isFunctionOrExtensionFunctionType(type);
   List<TypeProjection> arguments = type.getArguments();
   int first = isExtensionFunctionType(type) ? 1 : 0;
   int last = arguments.size() - 2;
   // TODO: fix bugs associated with this here and in neighboring methods, see KT-9820
   assert first <= last + 1 : "Not an exact function type: " + type;
   List<TypeProjection> parameterTypes = new ArrayList<TypeProjection>(last - first + 1);
   for (int i = first; i <= last; i++) {
     parameterTypes.add(arguments.get(i));
   }
   return parameterTypes;
 }
Esempio n. 3
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 @NotNull
 public static List<TypeProjection> getFunctionTypeArgumentProjections(
     @Nullable KotlinType receiverType,
     @NotNull List<KotlinType> parameterTypes,
     @NotNull KotlinType returnType) {
   List<TypeProjection> arguments =
       new ArrayList<TypeProjection>(parameterTypes.size() + (receiverType != null ? 1 : 0) + 1);
   if (receiverType != null) {
     arguments.add(defaultProjection(receiverType));
   }
   for (KotlinType parameterType : parameterTypes) {
     arguments.add(defaultProjection(parameterType));
   }
   arguments.add(defaultProjection(returnType));
   return arguments;
 }
Esempio n. 4
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 @NotNull
 public static List<ValueParameterDescriptor> getValueParameters(
     @NotNull FunctionDescriptor functionDescriptor, @NotNull KotlinType type) {
   assert isFunctionOrExtensionFunctionType(type);
   List<TypeProjection> parameterTypes = getParameterTypeProjectionsFromFunctionType(type);
   List<ValueParameterDescriptor> valueParameters =
       new ArrayList<ValueParameterDescriptor>(parameterTypes.size());
   for (int i = 0; i < parameterTypes.size(); i++) {
     TypeProjection parameterType = parameterTypes.get(i);
     ValueParameterDescriptorImpl valueParameterDescriptor =
         new ValueParameterDescriptorImpl(
             functionDescriptor,
             null,
             i,
             Annotations.Companion.getEMPTY(),
             Name.identifier("p" + (i + 1)),
             parameterType.getType(),
             /* declaresDefaultValue = */ false,
             /* isCrossinline = */ false,
             /* isNoinline = */ false,
             null,
             SourceElement.NO_SOURCE);
     valueParameters.add(valueParameterDescriptor);
   }
   return valueParameters;
 }
Esempio n. 5
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  @NotNull
  public KotlinType getFunctionType(
      @NotNull Annotations annotations,
      @Nullable KotlinType receiverType,
      @NotNull List<KotlinType> parameterTypes,
      @NotNull KotlinType returnType) {
    List<TypeProjection> arguments =
        getFunctionTypeArgumentProjections(receiverType, parameterTypes, returnType);
    int size = parameterTypes.size();
    ClassDescriptor classDescriptor =
        receiverType == null ? getFunction(size) : getExtensionFunction(size);

    Annotations typeAnnotations =
        receiverType == null ? annotations : addExtensionFunctionTypeAnnotation(annotations);

    return KotlinTypeImpl.create(typeAnnotations, classDescriptor, false, arguments);
  }
Esempio n. 6
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 @NotNull
 public static KotlinType getReturnTypeFromFunctionType(@NotNull KotlinType type) {
   assert isFunctionOrExtensionFunctionType(type);
   List<TypeProjection> arguments = type.getArguments();
   return arguments.get(arguments.size() - 1).getType();
 }