read upper bound from jet signature, merge dup code

compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java

@@ -550,6 +550,9 @@ public class JetTypeMapper {
             signatureVisitor.writeClassBound();
 
             for (JetType jetType : typeParameterDescriptor.getUpperBounds()) {
+                if (jetType.equals(JetStandardClasses.getNullableAnyType())) {
+                    continue;
+                }
                 if (jetType.getConstructor().getDeclarationDescriptor() instanceof ClassDescriptor) {
                     if (!CodegenUtil.isInterface(jetType)) {
                         mapType(jetType, signatureVisitor);

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java

@@ -65,10 +65,24 @@ public class JavaDescriptorResolver {
     private static class TypeParameterDescriptorInitialization {
         private final TypeParameterDescriptorOrigin origin;
         private final TypeParameterDescriptor descriptor;
+        @Nullable
+        private final List<JetType> upperBoundsForKotlin;
+        @Nullable
+        private final List<JetType> lowerBoundsForKotlin;
 
-        private TypeParameterDescriptorInitialization(TypeParameterDescriptorOrigin origin, TypeParameterDescriptor descriptor) {
+        private TypeParameterDescriptorInitialization(TypeParameterDescriptor descriptor) {
-            this.origin = origin;
+            this.origin = TypeParameterDescriptorOrigin.JAVA;
             this.descriptor = descriptor;
+            this.upperBoundsForKotlin = null;
+            this.lowerBoundsForKotlin = null;
+        }
+
+        private TypeParameterDescriptorInitialization(TypeParameterDescriptor descriptor,
+                List<JetType> upperBoundsForKotlin, List<JetType> lowerBoundsForKotlin) {
+            this.origin = TypeParameterDescriptorOrigin.KOTLIN;
+            this.descriptor = descriptor;
+            this.upperBoundsForKotlin = upperBoundsForKotlin;
+            this.lowerBoundsForKotlin = lowerBoundsForKotlin;
         }
     }
 
@@ -229,13 +243,71 @@ public class JavaDescriptorResolver {
     }
 
     @NotNull
-    private PsiTypeParameter getPsiTypeParameterByName(PsiTypeParameterListOwner clazz, String ownerName, String name) {
+    private PsiTypeParameter getPsiTypeParameterByName(PsiTypeParameterListOwner clazz, String name) {
         for (PsiTypeParameter typeParameter : clazz.getTypeParameters()) {
             if (typeParameter.getName().equals(name)) {
                 return typeParameter; 
             }
         }
-        throw new IllegalStateException("PsiTypeParameter '" + name + "' is not found in '" + ownerName + "'");
+        throw new IllegalStateException("PsiTypeParameter '" + name + "' is not found");
+    }
+
+    private abstract class JetSignatureTypeParameterVisitor extends JetSignatureExceptionsAdapter {
+        
+        private final DeclarationDescriptor containingDeclaration;
+        private final PsiTypeParameterListOwner psiOwner;
+        private final String name;
+        private final TypeInfoVariance variance;
+
+        protected JetSignatureTypeParameterVisitor(DeclarationDescriptor containingDeclaration, PsiTypeParameterListOwner psiOwner,
+                String name, TypeInfoVariance variance)
+        {
+            this.containingDeclaration = containingDeclaration;
+            this.psiOwner = psiOwner;
+            this.name = name;
+            this.variance = variance;
+        }
+
+        int index = 0;
+
+        List<JetType> upperBounds = new ArrayList<JetType>();
+        List<JetType> lowerBounds = new ArrayList<JetType>();
+
+        @Override
+        public JetSignatureVisitor visitClassBound() {
+            return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
+                @Override
+                protected void done(@NotNull JetType jetType) {
+                    upperBounds.add(jetType);
+                }
+            };
+        }
+
+        @Override
+        public JetSignatureVisitor visitInterfaceBound() {
+            return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
+                @Override
+                protected void done(@NotNull JetType jetType) {
+                    upperBounds.add(jetType);
+                }
+            };
+        }
+
+        @Override
+        public void visitFormalTypeParameterEnd() {
+            TypeParameterDescriptor typeParameter = TypeParameterDescriptor.createForFurtherModification(
+                    containingDeclaration,
+                    Collections.<AnnotationDescriptor>emptyList(), // TODO: wrong
+                    true, // TODO: wrong
+                    JetSignatureUtils.translateVariance(variance),
+                    name,
+                    ++index);
+            PsiTypeParameter psiTypeParameter = getPsiTypeParameterByName(psiOwner, name);
+            typeParameterDescriptorCache.put(psiTypeParameter, new TypeParameterDescriptorInitialization(typeParameter, upperBounds, lowerBounds));
+            done(typeParameter);
+        }
+        
+        protected abstract void done(TypeParameterDescriptor typeParameterDescriptor);
     }
 
     /**
@@ -246,43 +318,11 @@ public class JavaDescriptorResolver {
         new JetSignatureReader(jetSignature).accept(new JetSignatureExceptionsAdapter() {
             @Override
             public JetSignatureVisitor visitFormalTypeParameter(final String name, final TypeInfoVariance variance) {
-                return new JetSignatureExceptionsAdapter() {
+                return new JetSignatureTypeParameterVisitor(classDescriptor, clazz, name, variance) {
-                    int index = 0;
-
                     @Override
-                    public JetSignatureVisitor visitClassBound() {
+                    protected void done(TypeParameterDescriptor typeParameterDescriptor) {
-                        return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
+                        r.add(typeParameterDescriptor);
-                            @Override
-                            protected void done(@NotNull JetType jetType) {
-                                // TODO
-                            }
-                        };
                     }
-
-                    @Override
-                    public JetSignatureVisitor visitInterfaceBound() {
-                        return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
-                            @Override
-                            protected void done(@NotNull JetType jetType) {
-                                // TODO
-                            }
-                        };
-                    }
-
-                    @Override
-                    public void visitFormalTypeParameterEnd() {
-                        TypeParameterDescriptor typeParameter = TypeParameterDescriptor.createForFurtherModification(
-                                classDescriptor,
-                                Collections.<AnnotationDescriptor>emptyList(), // TODO: wrong
-                                true, // TODO: wrong
-                                JetSignatureUtils.translateVariance(variance),
-                                name,
-                                ++index);
-                        PsiTypeParameter psiTypeParameter = getPsiTypeParameterByName(clazz, clazz.getQualifiedName(), name);
-                        typeParameterDescriptorCache.put(psiTypeParameter, new TypeParameterDescriptorInitialization(TypeParameterDescriptorOrigin.KOTLIN, typeParameter));
-                        r.add(typeParameter);
-                    }
-
                 };
             }
 
@@ -332,14 +372,23 @@ public class JavaDescriptorResolver {
                 psiTypeParameter.getName(),
                 psiTypeParameter.getIndex()
         );
-        typeParameterDescriptorCache.put(psiTypeParameter, new TypeParameterDescriptorInitialization(TypeParameterDescriptorOrigin.JAVA, typeParameterDescriptor));
+        typeParameterDescriptorCache.put(psiTypeParameter, new TypeParameterDescriptorInitialization(typeParameterDescriptor));
         return typeParameterDescriptor;
     }
 
     private void initializeTypeParameter(PsiTypeParameter typeParameter, TypeParameterDescriptorInitialization typeParameterDescriptorInitialization) {
         TypeParameterDescriptor typeParameterDescriptor = typeParameterDescriptorInitialization.descriptor;
         if (typeParameterDescriptorInitialization.origin == TypeParameterDescriptorOrigin.KOTLIN) {
-            // TODO
+            List<?> upperBounds = typeParameterDescriptorInitialization.upperBoundsForKotlin;
+            if (upperBounds.size() == 0){
+                typeParameterDescriptor.addUpperBound(JetStandardClasses.getNullableAnyType());
+            } else {
+                for (JetType upperBound : typeParameterDescriptorInitialization.upperBoundsForKotlin) {
+                    typeParameterDescriptor.addUpperBound(upperBound);
+                }
+            }
+
+            // TODO: lower bounds
         } else {
             PsiClassType[] referencedTypes = typeParameter.getExtendsList().getReferencedTypes();
             if (referencedTypes.length == 0){
@@ -667,44 +716,14 @@ public class JavaDescriptorResolver {
         new JetSignatureReader(jetSignature).acceptFormalTypeParametersOnly(new JetSignatureExceptionsAdapter() {
             @Override
             public JetSignatureVisitor visitFormalTypeParameter(final String name, final TypeInfoVariance variance) {
-
+                
-                return new JetSignatureExceptionsAdapter() {
+                return new JetSignatureTypeParameterVisitor(functionDescriptor, method, name, variance) {
-                    int index = 0;
-
                     @Override
-                    public JetSignatureVisitor visitClassBound() {
+                    protected void done(TypeParameterDescriptor typeParameterDescriptor) {
-                        return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
+                        r.add(typeParameterDescriptor);
-                            @Override
-                            protected void done(@NotNull JetType jetType) {
-                                // TODO
-                            }
-                        };
-                    }
-
-                    @Override
-                    public JetSignatureVisitor visitInterfaceBound() {
-                        return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
-                            @Override
-                            protected void done(@NotNull JetType jetType) {
-                                // TODO
-                            }
-                        };
-                    }
-
-                    @Override
-                    public void visitFormalTypeParameterEnd() {
-                        TypeParameterDescriptor typeParameter = TypeParameterDescriptor.createForFurtherModification(
-                                functionDescriptor,
-                                Collections.<AnnotationDescriptor>emptyList(), // TODO: wrong
-                                true, // TODO: wrong
-                                JetSignatureUtils.translateVariance(variance),
-                                name,
-                                ++index);
-                        PsiTypeParameter psiTypeParameter = getPsiTypeParameterByName(method, method.getName(), name);
-                        typeParameterDescriptorCache.put(psiTypeParameter, new TypeParameterDescriptorInitialization(TypeParameterDescriptorOrigin.KOTLIN, typeParameter));
-                        r.add(typeParameter);
                     }
                 };
+
             }
         });
         return r;

compiler/testData/readClass/class/ClassParamUpperClassBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+class Clock<A : java.lang.Number>

compiler/testData/readClass/class/ClassParamUpperClassInterfaceBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+class Clock<A> where A : java.lang.Number, A : java.lang.CharSequence

compiler/testData/readClass/class/ClassParamUpperInterfaceBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+class Clock<A : java.lang.CharSequence>

compiler/testData/readClass/class/ClassParamUpperInterfaceClassBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+class Clock<A> where A : java.lang.CharSequence, A : java.lang.Number

compiler/tests/org/jetbrains/jet/ReadClassDataTest.java

@@ -32,6 +32,7 @@ import org.junit.Assert;
 import java.io.File;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 
@@ -259,16 +260,20 @@ public class ReadClassDataTest extends UsefulTestCase {
     }
     
     private void serializeCommaSeparated(List<?> list, StringBuilder sb) {
+        serializeSeparated(list, sb, ", ");
+    }
+
+    private void serializeSeparated(List<?> list, StringBuilder sb, String sep) {
         boolean first = true;
         for (Object o : list) {
             if (!first) {
-                sb.append(", ");
+                sb.append(sep);
             }
             serialize(o, sb);
             first = false;
         }
     }
-    
+
     private Method getMethodToSerialize(Object o) {
         // TODO: cache
         for (Method method : ReadClassDataTest.class.getDeclaredMethods()) {
@@ -296,6 +301,10 @@ public class ReadClassDataTest extends UsefulTestCase {
         Method method = getMethodToSerialize(o);
         invoke(method, this, o, sb);
     }
+    
+    private void serialize(String s, StringBuilder sb) {
+        sb.append(s);
+    }
 
     private void serialize(ModuleDescriptor module, StringBuilder sb) {
         // nop
@@ -316,11 +325,20 @@ public class ReadClassDataTest extends UsefulTestCase {
         sb.append(".");
         sb.append(ns.getName());
     }
-    
+
     private void serialize(TypeParameterDescriptor param, StringBuilder sb) {
         serialize(param.getVariance(), sb);
         sb.append(param.getName());
-        // TODO: serialize bounds
+        if (!param.getUpperBounds().isEmpty()) {
+            sb.append(" : ");
+            List<String> list = new ArrayList<String>();
+            for (JetType upper : param.getUpperBounds()) {
+                list.add(serialize(upper));
+            }
+            Collections.sort(list);
+            serializeSeparated(list, sb, " & "); // TODO: use where
+        }
+        // TODO: lower bounds
     }