private JSType getNominalTypeHelper(
     RawNominalType rawType,
     Node n,
     DeclaredTypeRegistry registry,
     ImmutableList<String> outerTypeParameters)
     throws UnknownTypeException {
   NominalType uninstantiated = rawType.getAsNominalType();
   if (!rawType.isGeneric() && !n.hasChildren()) {
     return rawType.getInstanceWithNullability(NULLABLE_TYPES_BY_DEFAULT);
   }
   ImmutableList.Builder<JSType> typeList = ImmutableList.builder();
   if (n.hasChildren()) {
     // Compute instantiation of polymorphic class/interface.
     Preconditions.checkState(n.getFirstChild().isBlock(), n);
     for (Node child : n.getFirstChild().children()) {
       typeList.add(getTypeFromCommentHelper(child, registry, outerTypeParameters));
     }
   }
   ImmutableList<JSType> typeArguments = typeList.build();
   ImmutableList<String> typeParameters = rawType.getTypeParameters();
   int typeArgsSize = typeArguments.size();
   int typeParamsSize = typeParameters.size();
   if (typeArgsSize != typeParamsSize) {
     // We used to also warn when (typeArgsSize < typeParamsSize), but it
     // happens so often that we stopped. Array, Object and goog.Promise are
     // common culprits, but many other types as well.
     if (typeArgsSize > typeParamsSize) {
       warnings.add(
           JSError.make(
               n,
               INVALID_GENERICS_INSTANTIATION,
               uninstantiated.getName(),
               String.valueOf(typeParamsSize),
               String.valueOf(typeArgsSize)));
     }
     return maybeMakeNullable(
         JSType.fromObjectType(
             ObjectType.fromNominalType(
                 uninstantiated.instantiateGenerics(
                     fixLengthOfTypeList(typeParameters.size(), typeArguments)))));
   }
   return maybeMakeNullable(
       JSType.fromObjectType(
           ObjectType.fromNominalType(uninstantiated.instantiateGenerics(typeArguments))));
 }
예제 #2
0
 public JSType getInstanceAsJSType() {
   return (this.rawType.isGeneric() && !typeMap.isEmpty())
       ? JSType.fromObjectType(ObjectType.fromNominalType(this))
       : this.rawType.getInstanceAsJSType();
 }