Exemplo n.º 1
0
public interface BindingContext {
  BindingContext EMPTY =
      new BindingContext() {
        @NotNull
        @Override
        public Diagnostics getDiagnostics() {
          return Diagnostics.EMPTY;
        }

        @Override
        public <K, V> V get(ReadOnlySlice<K, V> slice, K key) {
          return null;
        }

        @NotNull
        @Override
        public <K, V> Collection<K> getKeys(WritableSlice<K, V> slice) {
          return Collections.emptyList();
        }

        @NotNull
        @TestOnly
        @Override
        public <K, V> ImmutableMap<K, V> getSliceContents(@NotNull ReadOnlySlice<K, V> slice) {
          return ImmutableMap.of();
        }
      };

  WritableSlice<AnnotationDescriptor, JetAnnotationEntry> ANNOTATION_DESCRIPTOR_TO_PSI_ELEMENT =
      Slices.createSimpleSlice();
  WritableSlice<JetAnnotationEntry, AnnotationDescriptorImpl> ANNOTATION =
      Slices.<JetAnnotationEntry, AnnotationDescriptorImpl>sliceBuilder()
          .setOpposite(ANNOTATION_DESCRIPTOR_TO_PSI_ELEMENT)
          .build();

  WritableSlice<JetExpression, CompileTimeConstant<?>> COMPILE_TIME_VALUE =
      Slices.createSimpleSlice();

  WritableSlice<JetTypeReference, JetType> TYPE = Slices.createSimpleSlice();
  WritableSlice<JetExpression, JetType> EXPRESSION_TYPE =
      new BasicWritableSlice<JetExpression, JetType>(DO_NOTHING);
  WritableSlice<JetExpression, JetType> EXPECTED_EXPRESSION_TYPE =
      new BasicWritableSlice<JetExpression, JetType>(DO_NOTHING);
  WritableSlice<JetExpression, DataFlowInfo> EXPRESSION_DATA_FLOW_INFO =
      new BasicWritableSlice<JetExpression, DataFlowInfo>(DO_NOTHING);
  WritableSlice<JetExpression, DataFlowInfo> DATAFLOW_INFO_AFTER_CONDITION =
      Slices.createSimpleSlice();

  WritableSlice<JetReferenceExpression, DeclarationDescriptor> REFERENCE_TARGET =
      new BasicWritableSlice<JetReferenceExpression, DeclarationDescriptor>(DO_NOTHING);

  @KotlinSignature(
      "val RESOLVED_CALL: WritableSlice<JetElement, ResolvedCall<out CallableDescriptor>>")
  WritableSlice<JetElement, ResolvedCall<?>> RESOLVED_CALL =
      new BasicWritableSlice<JetElement, ResolvedCall<?>>(DO_NOTHING);

  WritableSlice<ResolvedCall<?>, TailRecursionKind> TAIL_RECURSION_CALL =
      Slices.createSimpleSlice();
  WritableSlice<JetElement, ConstraintSystemCompleter> CONSTRAINT_SYSTEM_COMPLETER =
      new BasicWritableSlice<JetElement, ConstraintSystemCompleter>(DO_NOTHING);
  WritableSlice<JetElement, Call> CALL = new BasicWritableSlice<JetElement, Call>(DO_NOTHING);

  @KotlinSignature(
      "val AMBIGUOUS_REFERENCE_TARGET: WritableSlice<JetReferenceExpression, Collection<DeclarationDescriptor>>")
  WritableSlice<JetReferenceExpression, Collection<? extends DeclarationDescriptor>>
      AMBIGUOUS_REFERENCE_TARGET =
          new BasicWritableSlice<
              JetReferenceExpression, Collection<? extends DeclarationDescriptor>>(DO_NOTHING);

  WritableSlice<JetExpression, DelegatingBindingTrace> TRACE_DELTAS_CACHE =
      Slices.createSimpleSlice();

  WritableSlice<JetExpression, ResolvedCall<FunctionDescriptor>> LOOP_RANGE_ITERATOR_RESOLVED_CALL =
      Slices.createSimpleSlice();
  WritableSlice<JetExpression, Call> LOOP_RANGE_ITERATOR_CALL = Slices.createSimpleSlice();

  WritableSlice<JetExpression, ResolvedCall<FunctionDescriptor>> LOOP_RANGE_HAS_NEXT_RESOLVED_CALL =
      Slices.createSimpleSlice();
  WritableSlice<JetExpression, ResolvedCall<FunctionDescriptor>> LOOP_RANGE_NEXT_RESOLVED_CALL =
      Slices.createSimpleSlice();

  WritableSlice<PropertyAccessorDescriptor, ResolvedCall<FunctionDescriptor>>
      DELEGATED_PROPERTY_RESOLVED_CALL = Slices.createSimpleSlice();
  WritableSlice<PropertyAccessorDescriptor, Call> DELEGATED_PROPERTY_CALL =
      Slices.createSimpleSlice();

  WritableSlice<JetMultiDeclarationEntry, ResolvedCall<FunctionDescriptor>>
      COMPONENT_RESOLVED_CALL = Slices.createSimpleSlice();

  WritableSlice<JetExpression, ResolvedCall<FunctionDescriptor>> INDEXED_LVALUE_GET =
      Slices.createSimpleSlice();
  WritableSlice<JetExpression, ResolvedCall<FunctionDescriptor>> INDEXED_LVALUE_SET =
      Slices.createSimpleSlice();

  WritableSlice<JetExpression, JetType> AUTOCAST = Slices.createSimpleSlice();

  WritableSlice<JetWhenExpression, Boolean> EXHAUSTIVE_WHEN = Slices.createSimpleSlice();

  /** A scope where type of expression has been resolved */
  WritableSlice<JetTypeReference, JetScope> TYPE_RESOLUTION_SCOPE = Slices.createSimpleSlice();

  WritableSlice<JetExpression, JetScope> RESOLUTION_SCOPE = Slices.createSimpleSlice();

  WritableSlice<ScriptDescriptor, JetScope> SCRIPT_SCOPE = Slices.createSimpleSlice();

  /** Collected during analyze, used in IDE in auto-cast completion */
  WritableSlice<JetExpression, DataFlowInfo> NON_DEFAULT_EXPRESSION_DATA_FLOW =
      Slices.createSimpleSlice();

  WritableSlice<JetExpression, Boolean> VARIABLE_REASSIGNMENT = Slices.createSimpleSetSlice();
  WritableSlice<ValueParameterDescriptor, Boolean> AUTO_CREATED_IT = Slices.createSimpleSetSlice();
  WritableSlice<JetExpression, DeclarationDescriptor> VARIABLE_ASSIGNMENT =
      Slices.createSimpleSlice();

  /** Has type of current expression has been already resolved */
  WritableSlice<JetExpression, Boolean> PROCESSED = Slices.createSimpleSetSlice();

  WritableSlice<JetElement, Boolean> STATEMENT = Slices.createRemovableSetSlice();

  WritableSlice<VariableDescriptor, CaptureKind> CAPTURED_IN_CLOSURE =
      new BasicWritableSlice<VariableDescriptor, CaptureKind>(DO_NOTHING);

  WritableSlice<CallableMemberDescriptor, Boolean> NEED_SYNTHETIC_ACCESSOR =
      new BasicWritableSlice<CallableMemberDescriptor, Boolean>(DO_NOTHING);

  //    enum DeferredTypeKey {DEFERRED_TYPE_KEY}
  //    WritableSlice<DeferredTypeKey, Collection<DeferredType>> DEFERRED_TYPES =
  // Slices.createSimpleSlice();

  WritableSlice<Box<DeferredType>, Boolean> DEFERRED_TYPE = Slices.createCollectiveSetSlice();

  WritableSlice<PropertyDescriptor, Boolean> BACKING_FIELD_REQUIRED =
      new Slices.SetSlice<PropertyDescriptor>(DO_NOTHING) {
        @Override
        public Boolean computeValue(
            SlicedMap map,
            PropertyDescriptor propertyDescriptor,
            Boolean backingFieldRequired,
            boolean valueNotFound) {
          if (propertyDescriptor.getKind() != CallableMemberDescriptor.Kind.DECLARATION) {
            return false;
          }
          backingFieldRequired = valueNotFound ? false : backingFieldRequired;
          assert backingFieldRequired != null;
          // TODO: user BindingContextAccessors
          PsiElement declarationPsiElement =
              map.get(BindingContextUtils.DESCRIPTOR_TO_DECLARATION, propertyDescriptor);
          if (declarationPsiElement instanceof JetParameter) {
            JetParameter jetParameter = (JetParameter) declarationPsiElement;
            return jetParameter.getValOrVarNode() != null
                || backingFieldRequired; // this part is unused because we do not allow access to
                                         // constructor parameters in member bodies
          }
          if (propertyDescriptor.getModality() == Modality.ABSTRACT) return false;
          PropertyGetterDescriptor getter = propertyDescriptor.getGetter();
          PropertySetterDescriptor setter = propertyDescriptor.getSetter();
          if (getter == null) {
            return true;
          } else if (propertyDescriptor.isVar() && setter == null) {
            return true;
          } else if (setter != null
              && !setter.hasBody()
              && setter.getModality() != Modality.ABSTRACT) {
            return true;
          } else if (!getter.hasBody() && getter.getModality() != Modality.ABSTRACT) {
            return true;
          }
          return backingFieldRequired;
        }
      };
  WritableSlice<PropertyDescriptor, Boolean> IS_INITIALIZED = Slices.createSimpleSetSlice();

  WritableSlice<JetFunctionLiteralExpression, Boolean> BLOCK =
      new Slices.SetSlice<JetFunctionLiteralExpression>(DO_NOTHING) {
        @Override
        public Boolean computeValue(
            SlicedMap map,
            JetFunctionLiteralExpression expression,
            Boolean isBlock,
            boolean valueNotFound) {
          isBlock = valueNotFound ? false : isBlock;
          assert isBlock != null;
          return isBlock && !expression.getFunctionLiteral().hasParameterSpecification();
        }
      };

  WritableSlice<PsiElement, ClassDescriptor> CLASS =
      Slices.<PsiElement, ClassDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();
  WritableSlice<PsiElement, ScriptDescriptor> SCRIPT =
      Slices.<PsiElement, ScriptDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();
  WritableSlice<JetTypeParameter, TypeParameterDescriptor> TYPE_PARAMETER =
      Slices.<JetTypeParameter, TypeParameterDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();
  /**
   * @see BindingContextUtils#recordFunctionDeclarationToDescriptor(BindingTrace, PsiElement,
   *     SimpleFunctionDescriptor)}
   */
  WritableSlice<PsiElement, SimpleFunctionDescriptor> FUNCTION =
      Slices.<PsiElement, SimpleFunctionDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();

  WritableSlice<PsiElement, ConstructorDescriptor> CONSTRUCTOR =
      Slices.<PsiElement, ConstructorDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();
  WritableSlice<PsiElement, VariableDescriptor> VARIABLE =
      Slices.<PsiElement, VariableDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();
  WritableSlice<JetParameter, VariableDescriptor> VALUE_PARAMETER =
      Slices.<JetParameter, VariableDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();
  WritableSlice<JetPropertyAccessor, PropertyAccessorDescriptor> PROPERTY_ACCESSOR =
      Slices.<JetPropertyAccessor, PropertyAccessorDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();

  // normalize value to getOriginal(value)
  WritableSlice<PsiElement, PropertyDescriptor> PRIMARY_CONSTRUCTOR_PARAMETER =
      Slices.<PsiElement, PropertyDescriptor>sliceBuilder()
          .setOpposite((WritableSlice) BindingContextUtils.DESCRIPTOR_TO_DECLARATION)
          .build();

  WritableSlice[] DECLARATIONS_TO_DESCRIPTORS =
      new WritableSlice[] {
        CLASS,
        TYPE_PARAMETER,
        FUNCTION,
        CONSTRUCTOR,
        VARIABLE,
        VALUE_PARAMETER,
        PROPERTY_ACCESSOR,
        PRIMARY_CONSTRUCTOR_PARAMETER
      };

  ReadOnlySlice<PsiElement, DeclarationDescriptor> DECLARATION_TO_DESCRIPTOR =
      Slices.<PsiElement, DeclarationDescriptor>sliceBuilder()
          .setFurtherLookupSlices(DECLARATIONS_TO_DESCRIPTORS)
          .build();

  WritableSlice<JetReferenceExpression, PsiElement> LABEL_TARGET =
      Slices.<JetReferenceExpression, PsiElement>sliceBuilder().build();

  @KotlinSignature(
      "val AMBIGUOUS_LABEL_TARGET: WritableSlice<JetReferenceExpression, Collection<PsiElement>>")
  WritableSlice<JetReferenceExpression, Collection<? extends PsiElement>> AMBIGUOUS_LABEL_TARGET =
      Slices.<JetReferenceExpression, Collection<? extends PsiElement>>sliceBuilder().build();

  WritableSlice<ValueParameterDescriptor, PropertyDescriptor> VALUE_PARAMETER_AS_PROPERTY =
      Slices.<ValueParameterDescriptor, PropertyDescriptor>sliceBuilder().build();

  WritableSlice<ValueParameterDescriptor, FunctionDescriptor> DATA_CLASS_COMPONENT_FUNCTION =
      Slices.<ValueParameterDescriptor, FunctionDescriptor>sliceBuilder().build();
  WritableSlice<ClassDescriptor, FunctionDescriptor> DATA_CLASS_COPY_FUNCTION =
      Slices.<ClassDescriptor, FunctionDescriptor>sliceBuilder().build();

  WritableSlice<FqNameUnsafe, ClassDescriptor> FQNAME_TO_CLASS_DESCRIPTOR =
      new BasicWritableSlice<FqNameUnsafe, ClassDescriptor>(DO_NOTHING, true);
  WritableSlice<JetFile, PackageFragmentDescriptor> FILE_TO_PACKAGE_FRAGMENT =
      Slices.createSimpleSlice();
  WritableSlice<FqName, Collection<JetFile>> PACKAGE_TO_FILES = Slices.createSimpleSlice();

  WritableSlice<ClassDescriptor, Boolean> INCOMPLETE_HIERARCHY = Slices.createCollectiveSetSlice();

  @SuppressWarnings("UnusedDeclaration")
  @Deprecated // This field is needed only for the side effects of its initializer
  Void _static_initializer = BasicWritableSlice.initSliceDebugNames(BindingContext.class);

  @NotNull
  Diagnostics getDiagnostics();

  @Nullable
  <K, V> V get(ReadOnlySlice<K, V> slice, K key);

  // slice.isCollective() must be true
  @NotNull
  <K, V> Collection<K> getKeys(WritableSlice<K, V> slice);

  /** This method should be used only for debug and testing */
  @TestOnly
  @NotNull
  <K, V> ImmutableMap<K, V> getSliceContents(@NotNull ReadOnlySlice<K, V> slice);
}
 static {
   BasicWritableSlice.initSliceDebugNames(CodegenBinding.class);
 }