Exemple #1
0
 private static void addNamesForExpression(
     ArrayList<String> result, JetExpression expression, JetNameValidator validator) {
   if (expression instanceof JetQualifiedExpression) {
     JetQualifiedExpression qualifiedExpression = (JetQualifiedExpression) expression;
     JetExpression selectorExpression = qualifiedExpression.getSelectorExpression();
     addNamesForExpression(result, selectorExpression, validator);
     if (selectorExpression != null && selectorExpression instanceof JetCallExpression) {
       JetExpression calleeExpression =
           ((JetCallExpression) selectorExpression).getCalleeExpression();
       if (calleeExpression != null && calleeExpression instanceof JetSimpleNameExpression) {
         String name = ((JetSimpleNameExpression) calleeExpression).getReferencedName();
         if (name != null && name.equals("sure")) {
           addNamesForExpression(result, qualifiedExpression.getReceiverExpression(), validator);
         }
       }
     }
   } else if (expression instanceof JetSimpleNameExpression) {
     JetSimpleNameExpression reference = (JetSimpleNameExpression) expression;
     String referenceName = reference.getReferencedName();
     if (referenceName == null) return;
     if (referenceName.equals(referenceName.toUpperCase())) {
       addName(result, referenceName, validator);
     } else {
       addCamelNames(result, referenceName, validator);
     }
   } else if (expression instanceof JetCallExpression) {
     JetCallExpression call = (JetCallExpression) expression;
     addNamesForExpression(result, call.getCalleeExpression(), validator);
   }
 }
Exemple #2
0
 @Nullable
 public static BinaryCall getRangeAsBinaryCall(@NotNull JetForExpression forExpression) {
   // We are looking for rangeTo() calls
   // Other binary operations will succeed too, but will be filtered out later (by examining a
   // resolvedCall)
   JetExpression rangeExpression = forExpression.getLoopRange();
   assert rangeExpression != null;
   JetExpression loopRange = JetPsiUtil.deparenthesizeWithNoTypeResolution(rangeExpression);
   if (loopRange instanceof JetQualifiedExpression) {
     // a.rangeTo(b)
     JetQualifiedExpression qualifiedExpression = (JetQualifiedExpression) loopRange;
     JetExpression selector = qualifiedExpression.getSelectorExpression();
     if (selector instanceof JetCallExpression) {
       JetCallExpression callExpression = (JetCallExpression) selector;
       List<? extends ValueArgument> arguments = callExpression.getValueArguments();
       if (arguments.size() == 1) {
         return new BinaryCall(
             qualifiedExpression.getReceiverExpression(),
             callExpression.getCalleeExpression(),
             arguments.get(0).getArgumentExpression());
       }
     }
   } else if (loopRange instanceof JetBinaryExpression) {
     // a rangeTo b
     // a .. b
     JetBinaryExpression binaryExpression = (JetBinaryExpression) loopRange;
     return new BinaryCall(
         binaryExpression.getLeft(),
         binaryExpression.getOperationReference(),
         binaryExpression.getRight());
   }
   return null;
 }
  @NotNull
  public TypeInfoForCall getQualifiedExpressionExtendedTypeInfo(
      @NotNull JetQualifiedExpression expression,
      @NotNull ResolutionContext context,
      @NotNull ResolveMode resolveMode) {
    // TODO : functions as values
    JetExpression selectorExpression = expression.getSelectorExpression();
    JetExpression receiverExpression = expression.getReceiverExpression();
    JetTypeInfo receiverTypeInfo =
        expressionTypingServices.getTypeInfoWithNamespaces(
            receiverExpression,
            context.scope,
            NO_EXPECTED_TYPE,
            context.dataFlowInfo,
            context.trace);
    JetType receiverType = receiverTypeInfo.getType();
    if (selectorExpression == null) return TypeInfoForCall.create(null, context.dataFlowInfo);
    if (receiverType == null)
      receiverType = ErrorUtils.createErrorType("Type for " + expression.getText());

    context = context.replaceDataFlowInfo(receiverTypeInfo.getDataFlowInfo());

    if (selectorExpression instanceof JetSimpleNameExpression) {
      ConstantUtils.propagateConstantValues(
          expression, context.trace, (JetSimpleNameExpression) selectorExpression);
    }

    TypeInfoForCall selectorReturnTypeInfo =
        getSelectorReturnTypeInfo(
            new ExpressionReceiver(receiverExpression, receiverType),
            expression.getOperationTokenNode(),
            selectorExpression,
            context,
            resolveMode);
    JetType selectorReturnType = selectorReturnTypeInfo.getType();

    // TODO move further
    if (!(receiverType instanceof NamespaceType)
        && expression.getOperationSign() == JetTokens.SAFE_ACCESS) {
      if (selectorReturnType != null
          && !selectorReturnType.isNullable()
          && !KotlinBuiltIns.getInstance().isUnit(selectorReturnType)) {
        if (receiverType.isNullable()) {
          selectorReturnType = TypeUtils.makeNullable(selectorReturnType);
        }
      }
    }

    // TODO : this is suspicious: remove this code?
    if (selectorReturnType != null) {
      context.trace.record(BindingContext.EXPRESSION_TYPE, selectorExpression, selectorReturnType);
    }
    JetTypeInfo typeInfo =
        JetTypeInfo.create(selectorReturnType, selectorReturnTypeInfo.getDataFlowInfo());
    if (resolveMode == ResolveMode.TOP_LEVEL_CALL) {
      DataFlowUtils.checkType(typeInfo.getType(), expression, context, typeInfo.getDataFlowInfo());
    }
    return TypeInfoForCall.create(typeInfo, selectorReturnTypeInfo);
  }
 @NotNull
 private JetTypeInfo getSelectorReturnTypeInfo(
     @NotNull ReceiverValue receiver,
     @Nullable ASTNode callOperationNode,
     @NotNull JetExpression selectorExpression,
     @NotNull ResolutionContext context,
     @NotNull ResolveMode resolveMode,
     @NotNull ResolutionResultsCache resolutionResultsCache) {
   if (selectorExpression instanceof JetCallExpression) {
     return getCallExpressionTypeInfoWithoutFinalTypeCheck(
         (JetCallExpression) selectorExpression,
         receiver,
         callOperationNode,
         context,
         resolveMode,
         resolutionResultsCache);
   } else if (selectorExpression instanceof JetSimpleNameExpression) {
     return getSimpleNameExpressionTypeInfo(
         (JetSimpleNameExpression) selectorExpression, receiver, callOperationNode, context);
   } else if (selectorExpression instanceof JetQualifiedExpression) {
     JetQualifiedExpression qualifiedExpression = (JetQualifiedExpression) selectorExpression;
     JetExpression newReceiverExpression = qualifiedExpression.getReceiverExpression();
     JetTypeInfo newReceiverTypeInfo =
         getSelectorReturnTypeInfo(
             receiver,
             callOperationNode,
             newReceiverExpression,
             context.replaceExpectedType(NO_EXPECTED_TYPE),
             resolveMode,
             resolutionResultsCache);
     JetType newReceiverType = newReceiverTypeInfo.getType();
     DataFlowInfo newReceiverDataFlowInfo = newReceiverTypeInfo.getDataFlowInfo();
     JetExpression newSelectorExpression = qualifiedExpression.getSelectorExpression();
     if (newReceiverType != null && newSelectorExpression != null) {
       ExpressionReceiver expressionReceiver =
           new ExpressionReceiver(newReceiverExpression, newReceiverType);
       return getSelectorReturnTypeInfo(
           expressionReceiver,
           qualifiedExpression.getOperationTokenNode(),
           newSelectorExpression,
           context.replaceDataFlowInfo(newReceiverDataFlowInfo),
           resolveMode,
           resolutionResultsCache);
     }
   } else {
     context.trace.report(ILLEGAL_SELECTOR.on(selectorExpression, selectorExpression.getText()));
   }
   return JetTypeInfo.create(null, context.dataFlowInfo);
 }
  @NotNull
  public Collection<? extends DeclarationDescriptor> lookupDescriptorsForQualifiedExpression(
      @NotNull JetQualifiedExpression importedReference,
      @NotNull JetScope outerScope,
      @NotNull JetScope scopeToCheckVisibility,
      @NotNull BindingTrace trace,
      @NotNull LookupMode lookupMode,
      boolean storeResult) {

    JetExpression receiverExpression = importedReference.getReceiverExpression();
    Collection<? extends DeclarationDescriptor> declarationDescriptors;
    if (receiverExpression instanceof JetQualifiedExpression) {
      declarationDescriptors =
          lookupDescriptorsForQualifiedExpression(
              (JetQualifiedExpression) receiverExpression,
              outerScope,
              scopeToCheckVisibility,
              trace,
              lookupMode,
              storeResult);
    } else {
      assert receiverExpression instanceof JetSimpleNameExpression;
      declarationDescriptors =
          lookupDescriptorsForSimpleNameReference(
              (JetSimpleNameExpression) receiverExpression,
              outerScope,
              scopeToCheckVisibility,
              trace,
              lookupMode,
              true,
              storeResult);
    }

    JetExpression selectorExpression = importedReference.getSelectorExpression();
    if (!(selectorExpression instanceof JetSimpleNameExpression)) {
      return Collections.emptyList();
    }

    JetSimpleNameExpression selector = (JetSimpleNameExpression) selectorExpression;
    JetSimpleNameExpression lastReference = JetPsiUtil.getLastReference(receiverExpression);
    if (lastReference == null
        || !canImportMembersFrom(declarationDescriptors, lastReference, trace, lookupMode)) {
      return Collections.emptyList();
    }

    return lookupSelectorDescriptors(
        selector, declarationDescriptors, trace, scopeToCheckVisibility, lookupMode, storeResult);
  }
Exemple #6
0
 public static boolean isLHSOfDot(@NotNull JetExpression expression) {
   PsiElement parent = expression.getParent();
   if (!(parent instanceof JetQualifiedExpression)) return false;
   JetQualifiedExpression qualifiedParent = (JetQualifiedExpression) parent;
   return qualifiedParent.getReceiverExpression() == expression || isLHSOfDot(qualifiedParent);
 }