Annotation resolver beautified a bit

idea/src/org/jetbrains/jet/lang/descriptors/MutableClassDescriptor.java

@@ -176,7 +176,6 @@ public class MutableClassDescriptor extends MutableDeclarationDescriptor impleme
                 supertypes);
         scopeForMemberResolution.setThisType(getDefaultType());
         for (FunctionDescriptor functionDescriptor : constructors.getFunctionDescriptors()) {
-//            functionDescriptor.getTypeParameters().addAll(typeParameters);
             ((ConstructorDescriptorImpl) functionDescriptor).setReturnType(getDefaultType());
         }
     }

idea/src/org/jetbrains/jet/lang/psi/JetModifierList.java

 package org.jetbrains.jet.lang.psi;
 
+import com.google.common.collect.Lists;
 import com.intellij.lang.ASTNode;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -34,7 +35,8 @@ public class JetModifierList extends JetElement {
     }
 
     public List<JetAnnotationEntry> getAnnotationEntries() {
-        List<JetAnnotationEntry> answer = null;
+        List<JetAnnotationEntry> entries = findChildrenByType(JetNodeTypes.ANNOTATION_ENTRY);
+        List<JetAnnotationEntry> answer = entries.isEmpty() ? null : Lists.newArrayList(entries);
         for (JetAnnotation annotation : getAnnotations()) {
             if (answer == null) answer = new ArrayList<JetAnnotationEntry>();
             answer.addAll(annotation.getEntries());

idea/src/org/jetbrains/jet/lang/resolve/AnnotationResolver.java

@@ -4,25 +4,31 @@ import com.google.common.collect.Lists;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.JetSemanticServices;
+import org.jetbrains.jet.lang.cfg.JetFlowInformationProvider;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.psi.JetAnnotationEntry;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.psi.JetModifierList;
 import org.jetbrains.jet.lang.resolve.constants.CompileTimeConstant;
+import org.jetbrains.jet.lang.types.ErrorUtils;
 import org.jetbrains.jet.lang.types.JetType;
+import org.jetbrains.jet.lang.types.JetTypeInferrer;
 
 import java.util.Collections;
 import java.util.List;
 
+import static org.jetbrains.jet.lang.types.JetTypeInferrer.NO_EXPECTED_TYPE;
+
 /**
  * @author abreslav
  */
 public class AnnotationResolver {
 
     private final BindingTrace trace;
+    private final JetTypeInferrer typeInferrer;
 
     public AnnotationResolver(JetSemanticServices semanticServices, BindingTrace trace) {
-
+        this.typeInferrer = new JetTypeInferrer(JetFlowInformationProvider.THROW_EXCEPTION, semanticServices);
         this.trace = trace;
     }
 
@@ -30,15 +36,19 @@ public class AnnotationResolver {
     public List<AnnotationDescriptor> resolveAnnotations(@NotNull JetScope scope, @NotNull List<JetAnnotationEntry> annotationEntryElements) {
         if (annotationEntryElements.isEmpty()) return Collections.emptyList();
         List<AnnotationDescriptor> result = Lists.newArrayList();
-//        for (JetAnnotationEntry entryElement : annotationEntryElements) {
-//            JetType jetType = typeInferrer.checkTypeInitializerCall(scope, entryElement.getTypeReference(), entryElement);
-//            AnnotationDescriptor descriptor = new AnnotationDescriptor();
-//            descriptor.setAnnotationType(jetType);
-//            result.add(descriptor);
-//        }
+        for (JetAnnotationEntry entryElement : annotationEntryElements) {
+            AnnotationDescriptor descriptor = new AnnotationDescriptor();
+            resolveAnnotationStub(scope, entryElement, descriptor);
+            result.add(descriptor);
+        }
         return result;
     }
 
+    public void resolveAnnotationStub(@NotNull JetScope scope, @NotNull JetAnnotationEntry entryElement, @NotNull AnnotationDescriptor descriptor) {
+        JetType jetType = typeInferrer.getCallResolver().resolveCall(trace, scope, null, entryElement, NO_EXPECTED_TYPE);
+        descriptor.setAnnotationType(jetType == null ? ErrorUtils.createErrorType("Unresolved annotation type") : jetType);
+    }
+
     @NotNull
     public List<AnnotationDescriptor> resolveAnnotations(@NotNull JetScope scope, @Nullable JetModifierList modifierList) {
         if (modifierList == null) {

idea/src/org/jetbrains/jet/lang/resolve/BindingContext.java

 package org.jetbrains.jet.lang.resolve;
 
 import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.JetDiagnostic;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
@@ -112,5 +113,6 @@ public interface BindingContext {
 
     Collection<JetDiagnostic> getDiagnostics();
 
+    @Nullable
     <K, V> V get(ReadOnlySlice<K, V> slice, K key);
 }

idea/src/org/jetbrains/jet/lang/resolve/BindingTrace.java

 package org.jetbrains.jet.lang.resolve;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.ErrorHandler;
 import org.jetbrains.jet.util.slicedmap.ReadOnlySlice;
 import org.jetbrains.jet.util.slicedmap.WritableSlice;
@@ -20,5 +21,6 @@ public interface BindingTrace {
     // Writes TRUE for a boolean value
     <K> void record(WritableSlice<K, Boolean> slice, K key);
 
+    @Nullable
     <K, V> V get(ReadOnlySlice<K, V> slice, K key);
 }

idea/src/org/jetbrains/jet/lang/resolve/TopDownAnalyzer.java

@@ -17,6 +17,7 @@ import org.jetbrains.jet.util.slicedmap.WritableSlice;
 
 import java.util.*;
 
+import static org.jetbrains.jet.lang.resolve.BindingContext.ANNOTATION;
 import static org.jetbrains.jet.lang.types.JetTypeInferrer.NO_EXPECTED_TYPE;
 
 /**
@@ -40,6 +41,7 @@ public class TopDownAnalyzer {
     private final BindingTrace trace;
     private final BindingTraceAdapter traceForConstructors;
     private final BindingTraceAdapter traceForMembers;
+    private final AnnotationResolver annotationResolver;
 
     public TopDownAnalyzer(JetSemanticServices semanticServices, @NotNull BindingTrace bindingTrace) {
         this.semanticServices = semanticServices;
@@ -73,6 +75,8 @@ public class TopDownAnalyzer {
                 }
             }
         });
+
+        this.annotationResolver = new AnnotationResolver(semanticServices, trace);
     }
 
     public void processObject(@NotNull JetScope outerScope, @NotNull DeclarationDescriptor containingDeclaration, @NotNull JetObjectDeclaration object) {
@@ -117,7 +121,11 @@ public class TopDownAnalyzer {
         resolveTypesInClassHeaders(); // Generic bounds and types in supertype lists (no expressions or constructor resolution)
         checkGenericBoundsInClassHeaders(); // For the types resolved so far
 
-        resolveFunctionAndPropertyHeaders(); // Constructor headers are resolved as well
+        resolveConstructorHeaders();
+
+        resolveAnnotationStubsOnClassesAndConstructors();
+
+        resolveFunctionAndPropertyHeaders();
 
         resolveBehaviorDeclarationBodies();
     }
@@ -372,6 +380,35 @@ public class TopDownAnalyzer {
         }
     }
 
+    private void resolveConstructorHeaders() {
+        for (Map.Entry<JetClass, MutableClassDescriptor> entry : classes.entrySet()) {
+            JetClass jetClass = entry.getKey();
+            MutableClassDescriptor classDescriptor = entry.getValue();
+
+            processPrimaryConstructor(classDescriptor, jetClass);
+            for (JetConstructor jetConstructor : jetClass.getSecondaryConstructors()) {
+                processSecondaryConstructor(classDescriptor, jetConstructor);
+            }
+        }
+
+    }
+
+    private void resolveAnnotationStubsOnClassesAndConstructors() {
+        for (Map.Entry<JetClass, MutableClassDescriptor> entry : classes.entrySet()) {
+            JetClass jetClass = entry.getKey();
+            MutableClassDescriptor mutableClassDescriptor = entry.getValue();
+
+            JetModifierList modifierList = jetClass.getModifierList();
+            if (modifierList != null) {
+                List<JetAnnotationEntry> annotationEntries = modifierList.getAnnotationEntries();
+                for (JetAnnotationEntry annotationEntry : annotationEntries) {
+                    AnnotationDescriptor annotationDescriptor = trace.get(ANNOTATION, annotationEntry);
+                    annotationResolver.resolveAnnotationStub(mutableClassDescriptor.getScopeForSupertypeResolution(), annotationEntry, annotationDescriptor);
+                }
+            }
+        }
+    }
+
     private void resolveFunctionAndPropertyHeaders() {
         for (Map.Entry<JetNamespace, WritableScope> entry : namespaceScopes.entrySet()) {
             JetNamespace namespace = entry.getKey();
@@ -385,10 +422,10 @@ public class TopDownAnalyzer {
             MutableClassDescriptor classDescriptor = entry.getValue();
 
             resolveFunctionAndPropertyHeaders(jetClass.getDeclarations(), classDescriptor.getScopeForMemberResolution(), classDescriptor);
-            processPrimaryConstructor(classDescriptor, jetClass);
-            for (JetConstructor jetConstructor : jetClass.getSecondaryConstructors()) {
-                processSecondaryConstructor(classDescriptor, jetConstructor);
-            }
+//            processPrimaryConstructor(classDescriptor, jetClass);
+//            for (JetConstructor jetConstructor : jetClass.getSecondaryConstructors()) {
+//                processSecondaryConstructor(classDescriptor, jetConstructor);
+//            }
         }
         for (Map.Entry<JetObjectDeclaration, MutableClassDescriptor> entry : objects.entrySet()) {
             JetObjectDeclaration object = entry.getKey();

idea/src/org/jetbrains/jet/lang/resolve/calls/CallResolver.java

@@ -98,7 +98,10 @@ public class CallResolver {
 
             prioritizedTasks = FUNCTION_TASK_PRIORITIZER.computePrioritizedTasks(scope, receiverType, call, name);
         }
-        else if (calleeExpression instanceof JetConstructorCalleeExpression) {
+        else {
+            JetValueArgumentList valueArgumentList = call.getValueArgumentList();
+            ASTNode reportAbsenceOn = valueArgumentList == null ? call.getNode() : valueArgumentList.getNode();
+            if (calleeExpression instanceof JetConstructorCalleeExpression) {
                 assert receiverType == null;
 
                 prioritizedTasks = Lists.newArrayList();
@@ -116,7 +119,7 @@ public class CallResolver {
                     ClassDescriptor classDescriptor = (ClassDescriptor) declarationDescriptor;
                     Set<FunctionDescriptor> constructors = classDescriptor.getConstructors().getFunctionDescriptors();
                     if (constructors.isEmpty()) {
-                    trace.getErrorHandler().genericError(call.getValueArgumentList().getNode(), "This class does not have a constructor");
+                        trace.getErrorHandler().genericError(reportAbsenceOn, "This class does not have a constructor");
                         return checkArgumentTypesAndFail(trace, scope, call);
                     }
                     prioritizedTasks.add(new ResolutionTask<FunctionDescriptor>(constructors, null, call));
@@ -125,7 +128,8 @@ public class CallResolver {
                     trace.getErrorHandler().genericError(calleeExpression.getNode(), "Not a class");
                     return checkArgumentTypesAndFail(trace, scope, call);
                 }
-        } else if (calleeExpression instanceof JetThisReferenceExpression) {
+            }
+            else if (calleeExpression instanceof JetThisReferenceExpression) {
                 functionReference = (JetThisReferenceExpression) calleeExpression;
                 DeclarationDescriptor containingDeclaration = scope.getContainingDeclaration();
                 assert containingDeclaration instanceof ClassDescriptor;
@@ -134,7 +138,7 @@ public class CallResolver {
 
                 Set<FunctionDescriptor> constructors = classDescriptor.getConstructors().getFunctionDescriptors();
                 if (constructors.isEmpty()) {
-                trace.getErrorHandler().genericError(call.getValueArgumentList().getNode(), "This class does not have a constructor");
+                    trace.getErrorHandler().genericError(reportAbsenceOn, "This class does not have a constructor");
                     return checkArgumentTypesAndFail(trace, scope, call);
                 }
                 prioritizedTasks = Collections.singletonList(new ResolutionTask<FunctionDescriptor>(constructors, null, call));
@@ -142,6 +146,7 @@ public class CallResolver {
             else {
                 throw new UnsupportedOperationException("Type argument inference not implemented for " + call.getText());
             }
+        }
 
         return resolveCallToDescriptor(trace, scope, call, call.getNode(), expectedType, prioritizedTasks, functionReference);
     }

idea/src/org/jetbrains/jet/lang/types/JetTypeInferrer.java

@@ -170,6 +170,10 @@ public class JetTypeInferrer {
         return new Services(trace);
     }
 
+    public CallResolver getCallResolver() {
+        return callResolver;
+    }
+
     public class Services {
         private final BindingTrace trace;
         private final CompileTimeConstantResolver compileTimeConstantResolver;