Merge remote-tracking branch 'origin/master'

.gitignore

@@ -8,3 +8,4 @@ out
 .idea/codeStyleSettings.xml
 .idea/workspace.xml
 tmp
+*TestMy.java

.idea/modules.xml

@@ -12,6 +12,7 @@
       <module fileurl="file://$PROJECT_DIR$/grammar/grammar.iml" filepath="$PROJECT_DIR$/grammar/grammar.iml" />
       <module fileurl="file://$PROJECT_DIR$/idea/idea.iml" filepath="$PROJECT_DIR$/idea/idea.iml" />
       <module fileurl="file://$PROJECT_DIR$/stdlib/stdlib.iml" filepath="$PROJECT_DIR$/stdlib/stdlib.iml" />
+      <module fileurl="file://$PROJECT_DIR$/testlib/testlib.iml" filepath="$PROJECT_DIR$/testlib/testlib.iml" />
     </modules>
   </component>
 </project>

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

@@ -126,9 +126,7 @@ public abstract class ClassBodyCodegen {
                 }
 
                 mv.visitInsn(Opcodes.RETURN);
-                mv.visitMaxs(0, 0);
-
-                mv.visitEnd();
+                FunctionCodegen.endVisit(v, "static initializer", myClass);
             }
         }
     }

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

@@ -147,8 +147,7 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
 
             mv.visitLabel(ret);
             mv.visitInsn(ARETURN);
-            mv.visitMaxs(0,0);
-            mv.visitEnd();
+            FunctionCodegen.endVisit(mv, "$getInstance", fun);
         }
     }
 
@@ -205,8 +204,7 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
 
             iv.areturn(JetTypeMapper.TYPE_OBJECT);
 
-            mv.visitMaxs(0, 0);
-            mv.visitEnd();
+            FunctionCodegen.endVisit(mv, "bridge", fun);
         }
     }
 
@@ -286,8 +284,7 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
 
             iv.visitInsn(RETURN);
 
-            mv.visitMaxs(0, 0);
-            mv.visitEnd();
+            FunctionCodegen.endVisit(iv, "constructor", fun);
         }
         return constructor;
     }

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

@@ -0,0 +1,20 @@
+package org.jetbrains.jet.codegen;
+
+import com.intellij.psi.PsiElement;
+import org.jetbrains.jet.lang.psi.JetElement;
+
+/**
+* @author alex.tkachman
+*/
+public class CompilationException extends RuntimeException {
+    private PsiElement element;
+
+    CompilationException(String message, Throwable cause, PsiElement element) {
+        super(message, cause);
+        this.element = element;
+    }
+
+    public PsiElement getElement() {
+        return element;
+    }
+}

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

@@ -130,7 +130,15 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
 
     public StackValue genQualified(StackValue receiver, JetElement selector) {
         markLineNumber(selector);
-        return selector.accept(this, receiver);
+        try {
+            return selector.accept(this, receiver);
+        }
+        catch(CompilationException e) {
+            throw e;
+        }
+        catch (Throwable error) {
+            throw new CompilationException(error.getMessage(), error, selector);
+        }
     }
 
     public StackValue gen(JetElement expr) {
@@ -204,7 +212,7 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
         JetExpression elseExpression = expression.getElse();
 
         if (thenExpression == null && elseExpression == null) {
-            throw new CompilationException();
+            throw new CompilationException("Both brunches of if/else are null", null, expression);
         }
 
         if (isEmptyExpression(thenExpression)) {
@@ -225,6 +233,9 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
         condition.condJump(elseLabel, true, v);   // == 0, i.e. false
 
         Label end = continueLabel == null ? new Label() : continueLabel;
+        
+        if(continueLabel != null)
+            asmType = Type.VOID_TYPE;
 
         gen(thenExpression, asmType);
 
@@ -1126,7 +1137,7 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
 
         ResolvedCall<? extends CallableDescriptor> resolvedCall = bindingContext.get(BindingContext.RESOLVED_CALL, callee);
         if(resolvedCall == null) {
-            throw new CompilationException("Cannot resolve: " + callee.getText());
+            throw new CompilationException("Cannot resolve: " + callee.getText(), null, expression);
         }
         receiver = StackValue.receiver(resolvedCall, receiver, this, null);
 
@@ -1403,7 +1414,7 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
         return mask;
     }
 
-    private int pushMethodArguments(JetCallElement expression, List<Type> valueParameterTypes) {
+    public int pushMethodArguments(JetCallElement expression, List<Type> valueParameterTypes) {
         ResolvedCall<? extends CallableDescriptor> resolvedCall = bindingContext.get(BindingContext.RESOLVED_CALL, expression.getCalleeExpression());
         if(resolvedCall != null) {
             return pushMethodArguments(resolvedCall, valueParameterTypes);
@@ -2074,7 +2085,7 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
         ResolvedCall<? extends CallableDescriptor> resolvedCall = bindingContext.get(BindingContext.RESOLVED_CALL, callee);
         if(resolvedCall == null) {
             assert callee != null;
-            throw new CompilationException("Cannot resolve: " + callee.getText());
+            throw new CompilationException("Cannot resolve: " + callee.getText(), null, expression);
         }
 
         FunctionDescriptor descriptor = (FunctionDescriptor) resolvedCall.getResultingDescriptor();
@@ -2098,7 +2109,7 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> {
         }
         else {
             if (args.size() != 1) {
-                throw new CompilationException("primitive array constructor requires one argument");
+                throw new CompilationException("primitive array constructor requires one argument", null, expression);
             }
         }
 
@@ -2784,15 +2795,6 @@ If finally block is present, its last expression is the value of try expression.
         v.athrow();
     }
 
-    private static class CompilationException extends RuntimeException {
-        private CompilationException() {
-        }
-
-        private CompilationException(String message) {
-            super(message);
-        }
-    }
-
     @Override
     public String toString() {
         return context.getContextDescriptor().toString();

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

@@ -110,6 +110,7 @@ public class FunctionCodegen {
                     if(receiverParameter.getType().isNullable()) {
                         av.visit(StdlibNames.JET_VALUE_PARAMETER_NULLABLE_FIELD, true);
                     }
+                    av.visit(StdlibNames.JET_VALUE_PARAMETER_RECEIVER_FIELD, true);
                     av.visitEnd();
                 }
                 for (final TypeParameterDescriptor typeParameterDescriptor : typeParameters) {
@@ -223,7 +224,7 @@ public class FunctionCodegen {
                     k += type.getSize();
                 }
 
-                mv.visitMaxs(0, 0);
+                endVisit(mv, null, fun);
                 mv.visitEnd();
 
                 generateBridgeIfNeeded(owner, state, v, jvmSignature.getAsmMethod(), functionDescriptor, kind);
@@ -233,6 +234,16 @@ public class FunctionCodegen {
         generateDefaultIfNeeded(context, state, v, jvmSignature.getAsmMethod(), functionDescriptor, kind);
     }
 
+    public static void endVisit(MethodVisitor mv, String description, PsiElement method) {
+        try {
+            mv.visitMaxs(0, 0);
+        }
+        catch (Throwable t) {
+            throw new CompilationException("wrong code generated" + (description != null ? " for " + description : "") + t.getClass().getName() + " " + t.getMessage(), t, method);
+        }
+        mv.visitEnd();
+    }
+
     static void generateBridgeIfNeeded(CodegenContext owner, GenerationState state, ClassBuilder v, Method jvmSignature, FunctionDescriptor functionDescriptor, OwnerKind kind) {
         Set<? extends FunctionDescriptor> overriddenFunctions = functionDescriptor.getOverriddenDescriptors();
         if(kind != OwnerKind.TRAIT_IMPL) {
@@ -390,7 +401,7 @@ public class FunctionCodegen {
 
                 iv.areturn(jvmSignature.getReturnType());
 
-                mv.visitMaxs(0, 0);
+                endVisit(mv, "default method", state.getBindingContext().get(BindingContext.DESCRIPTOR_TO_DECLARATION, functionDescriptor));
                 mv.visitEnd();
             }
         }
@@ -426,7 +437,7 @@ public class FunctionCodegen {
                 if(jvmSignature.getReturnType() == Type.VOID_TYPE)
                     iv.aconst(null);
                 iv.areturn(overriden.getReturnType());
-                mv.visitMaxs(0, 0);
+                endVisit(mv, "bridge method", state.getBindingContext().get(BindingContext.DESCRIPTOR_TO_DECLARATION, functionDescriptor));
                 mv.visitEnd();
             }
         }

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

@@ -198,8 +198,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                         iv.invokespecial(typeMapper.getOwner(original, OwnerKind.IMPLEMENTATION), originalMethod.getName(), originalMethod.getDescriptor());
 
                         iv.areturn(method.getReturnType());
-                        mv.visitMaxs(0,0);
-                        mv.visitEnd();
+                        FunctionCodegen.endVisit(iv, "accessor", null);
                     }
                 }
                 else if(entry.getValue() instanceof PropertyDescriptor) {
@@ -222,8 +221,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                             iv.invokespecial(typeMapper.getOwner(original, OwnerKind.IMPLEMENTATION), originalMethod.getName(), originalMethod.getDescriptor());
 
                         iv.areturn(method.getReturnType());
-                        mv.visitMaxs(0,0);
-                        mv.visitEnd();
+                        FunctionCodegen.endVisit(iv, "accessor", null);
                     }
 
                     method = typeMapper.mapSetterSignature(bridge, OwnerKind.IMPLEMENTATION).getAsmMethod();
@@ -248,8 +246,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                             iv.invokespecial(typeMapper.getOwner(original, OwnerKind.IMPLEMENTATION), originalMethod.getName(), originalMethod.getDescriptor());
 
                         iv.areturn(method.getReturnType());
-                        mv.visitMaxs(0,0);
-                        mv.visitEnd();
+                        FunctionCodegen.endVisit(iv, "accessor", null);
                     }
                 }
                 else {
@@ -465,8 +462,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
             outer.visitVarInsn(Opcodes.ALOAD, 0);
             outer.visitFieldInsn(Opcodes.GETFIELD, classname, "this$0", outerType.getDescriptor());
             outer.visitInsn(Opcodes.ARETURN);
-            outer.visitMaxs(0, 0);
-            outer.visitEnd();
+            FunctionCodegen.endVisit(outer, "getOuterObject", myClass);
         }
 
         if (CodegenUtil.requireTypeInfoConstructorArg(descriptor.getDefaultType()) && kind == OwnerKind.IMPLEMENTATION) {
@@ -518,8 +514,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
         generateTraitMethods(codegen);
 
         mv.visitInsn(Opcodes.RETURN);
-        mv.visitMaxs(0, 0);
-        mv.visitEnd();
+        FunctionCodegen.endVisit(mv, "constructor", myClass);
 
         FunctionCodegen.generateDefaultIfNeeded(constructorContext, state, v, constructorMethod, constructorDescriptor, OwnerKind.IMPLEMENTATION);
     }
@@ -572,8 +567,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                                     iv.checkcast(function.getReturnType());
                                 }
                                 iv.areturn(function.getReturnType());
-                                mv.visitMaxs(0, 0);
-                                mv.visitEnd();
+                                FunctionCodegen.endVisit(iv, "trait method", bindingContext.get(BindingContext.DESCRIPTOR_TO_DECLARATION, fun));
                             }
 
                             FunctionCodegen.generateBridgeIfNeeded(context, state, v, function, fun, kind);
@@ -708,8 +702,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
             }
 
             mv.visitInsn(Opcodes.RETURN);
-            mv.visitMaxs(0, 0);
-            mv.visitEnd();
+            FunctionCodegen.endVisit(mv, "constructor", null);
         }
     }
 
@@ -821,8 +814,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                     iv.load(0, JetTypeMapper.TYPE_OBJECT);
                     iv.getfield(owner, "$typeInfo", "Ljet/typeinfo/TypeInfo;");
                     iv.areturn(JetTypeMapper.TYPE_TYPEINFO);
-                    mv.visitMaxs(0, 0);
-                    mv.visitEnd();
+                    FunctionCodegen.endVisit(iv, "getTypeInfo", myClass);
                 }
 
                 mv = v.newMethod(myClass, Opcodes.ACC_PROTECTED | Opcodes.ACC_FINAL, "$setTypeInfo", "(Ljet/typeinfo/TypeInfo;)V", null, null);
@@ -834,8 +826,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                     iv.load(1, JetTypeMapper.TYPE_OBJECT);
                     iv.putfield(owner, "$typeInfo", "Ljet/typeinfo/TypeInfo;");
                     mv.visitInsn(Opcodes.RETURN);
-                    mv.visitMaxs(0, 0);
-                    mv.visitEnd();
+                    FunctionCodegen.endVisit(iv, "$setTypeInfo", myClass);
                 }
             }
         }
@@ -853,8 +844,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
             String owner = typeMapper.mapType(descriptor.getDefaultType(), OwnerKind.IMPLEMENTATION).getInternalName();
             v.getstatic(owner, "$staticTypeInfo", "Ljet/typeinfo/TypeInfo;");
             v.areturn(JetTypeMapper.TYPE_TYPEINFO);
-            mv.visitMaxs(0, 0);
-            mv.visitEnd();
+            FunctionCodegen.endVisit(v, "getTypeInfo", myClass);
         }
     }
 

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

@@ -66,7 +66,6 @@ public class JetTypeMapper {
     private final HashMap<JetType,String> knowTypeNames = new HashMap<JetType, String>();
     private final HashMap<JetType,Type> knowTypes = new HashMap<JetType, Type>();
 
-    public static final Type TYPE_FUNCTION1 = Type.getObjectType("jet/Function1");
     public static final Type TYPE_ITERATOR = Type.getObjectType("jet/Iterator");
     public static final Type TYPE_INT_RANGE = Type.getObjectType("jet/IntRange");
     public static final Type TYPE_SHARED_VAR = Type.getObjectType("jet/runtime/SharedVar$Object");
@@ -86,6 +85,8 @@ public class JetTypeMapper {
     public static final Type TYPE_LONG_ITERATOR = Type.getObjectType("jet/LongIterator");
     public static final Type TYPE_FLOAT_ITERATOR = Type.getObjectType("jet/FloatIterator");
     public static final Type TYPE_DOUBLE_ITERATOR = Type.getObjectType("jet/DoubleIterator");
+    public static final Type TYPE_FUNCTION0 = Type.getObjectType("jet/Function0");
+    public static final Type TYPE_FUNCTION1 = Type.getObjectType("jet/Function1");
 
     public JetStandardLibrary getStandardLibrary() {
         return standardLibrary;
@@ -557,7 +558,10 @@ public class JetTypeMapper {
                 }
             }
 
-            // "extends Object" seems to be not optional according to ClassFileFormat-Java5.pdf
+            // "extends Object" is optional according to ClassFileFormat-Java5.pdf
+            // but javac complaints to signature:
+            // <P:>Ljava/lang/Object;
+            // TODO: avoid writing java/lang/Object if interface list is not empty
         }
         signatureVisitor.writeClassBoundEnd();
 

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

@@ -62,8 +62,11 @@ public class NamespaceCodegen {
             else if (declaration instanceof JetNamedFunction) {
                 try {
                     functionCodegen.gen((JetNamedFunction) declaration);
-                } catch (Exception e) {
-                    throw new RuntimeException("Failed to generate function " + declaration.getName(), e);
+                } catch (CompilationException e) {
+                    throw e;
+                }
+                catch (Exception e) {
+                    throw new CompilationException("Failed to generate function " + declaration.getName(), e, declaration);
                 }
             }
             else if (declaration instanceof JetClassOrObject) {
@@ -107,7 +110,7 @@ public class NamespaceCodegen {
             }
 
             mv.visitInsn(RETURN);
-            mv.visitMaxs(0, 0);
+            FunctionCodegen.endVisit(mv, "static initializer for namespace", namespace);
             mv.visitEnd();
         }
     }
@@ -134,8 +137,7 @@ public class NamespaceCodegen {
                 v.visitFieldInsn(PUTSTATIC, jvmClassName, fieldName, "Ljet/typeinfo/TypeInfo;");
                 v.visitLabel(end);
                 v.visitInsn(ARETURN);
-                v.visitMaxs(0, 0);
-                v.visitEnd();
+                FunctionCodegen.endVisit(v, "type info method", namespace);
             }
         }
     }

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

@@ -154,8 +154,7 @@ public class PropertyCodegen {
                         type.getDescriptor());
             }
             iv.areturn(type);
-            mv.visitMaxs(0, 0);
-            mv.visitEnd();
+            FunctionCodegen.endVisit(mv, "getter", origin);
         }
     }
 
@@ -207,7 +206,7 @@ public class PropertyCodegen {
             }
 
             iv.visitInsn(Opcodes.RETURN);
-            mv.visitMaxs(0, 0);
+            FunctionCodegen.endVisit(mv, "setter", origin);
             mv.visitEnd();
         }
     }

compiler/backend/src/org/jetbrains/jet/codegen/intrinsics/IntrinsicMethods.java

@@ -20,6 +20,7 @@ import java.util.*;
 
 /**
  * @author yole
+ * @author alex.tkachman
  */
 public class IntrinsicMethods {
     private static final IntrinsicMethod UNARY_MINUS = new UnaryMinus();
@@ -89,6 +90,7 @@ public class IntrinsicMethods {
         declareOverload(myStdLib.getLibraryScope().getFunctions("plus"), 1, new StringPlus());
         declareOverload(myStdLib.getLibraryScope().getFunctions("Array"), 1, new NewArray());
         declareOverload(myStdLib.getLibraryScope().getFunctions("sure"), 0, new Sure());
+        declareOverload(myStdLib.getLibraryScope().getFunctions("synchronized"), 1, new StupidSync());
 
         declareIntrinsicFunction("ByteIterator", "next", 0, ITERATOR_NEXT);
         declareIntrinsicFunction("ShortIterator", "next", 0, ITERATOR_NEXT);

compiler/backend/src/org/jetbrains/jet/codegen/intrinsics/StupidSync.java

@@ -0,0 +1,26 @@
+package org.jetbrains.jet.codegen.intrinsics;
+
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.codegen.ExpressionCodegen;
+import org.jetbrains.jet.codegen.JetTypeMapper;
+import org.jetbrains.jet.codegen.StackValue;
+import org.jetbrains.jet.lang.psi.JetCallExpression;
+import org.jetbrains.jet.lang.psi.JetExpression;
+import org.objectweb.asm.Label;
+import org.objectweb.asm.Type;
+import org.objectweb.asm.commons.InstructionAdapter;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class StupidSync implements IntrinsicMethod {
+    @Override
+    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, Type expectedType, @Nullable PsiElement element, @Nullable List<JetExpression> arguments, StackValue receiver) {
+        receiver.put(receiver.type, v);
+        codegen.pushMethodArguments((JetCallExpression)element, Arrays.asList(JetTypeMapper.TYPE_FUNCTION0));
+        v.invokestatic("jet/runtime/Intrinsics", "stupidSync", "(Ljava/lang/Object;Ljet/Function0;)Ljava/lang/Object;");
+        StackValue.onStack(JetTypeMapper.TYPE_OBJECT).put(expectedType, v);
+        return StackValue.onStack(expectedType);
+    }
+}

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

@@ -9,6 +9,7 @@ import com.intellij.psi.*;
 import com.intellij.psi.search.DelegatingGlobalSearchScope;
 import com.intellij.psi.search.GlobalSearchScope;
 import jet.typeinfo.TypeInfoVariance;
+import org.eclipse.jdt.internal.core.JavaModelManager;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.*;
@@ -56,9 +57,38 @@ public class JavaDescriptorResolver {
             return visitor.visitDeclarationDescriptor(this, data);
         }
     };
+    
+    private enum TypeParameterDescriptorOrigin {
+        JAVA,
+        KOTLIN,
+    }
+    
+    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(TypeParameterDescriptor descriptor) {
+            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;
+        }
+    }
 
     protected final Map<String, ClassDescriptor> classDescriptorCache = Maps.newHashMap();
-    protected final Map<PsiTypeParameter, TypeParameterDescriptor> typeParameterDescriptorCache = Maps.newHashMap();
+    protected final Map<PsiTypeParameter, TypeParameterDescriptorInitialization> typeParameterDescriptorCache = Maps.newHashMap();
     protected final Map<PsiMethod, FunctionDescriptor> methodDescriptorCache = Maps.newHashMap();
     protected final Map<PsiField, VariableDescriptor> fieldDescriptorCache = Maps.newHashMap();
     protected final Map<PsiElement, NamespaceDescriptor> namespaceDescriptorCache = Maps.newHashMap();
@@ -145,11 +175,8 @@ public class JavaDescriptorResolver {
         classDescriptorCache.put(psiClass.getQualifiedName(), classDescriptor);
         classDescriptor.setUnsubstitutedMemberScope(new JavaClassMembersScope(classDescriptor, psiClass, semanticServices, false));
 
-        // TODO: initialize
-        if (psiClass.getModifierList().findAnnotation(StdlibNames.JET_CLASS.getFqName()) == null) {
-            // UGLY HACK (Andrey Breslav is not sure what did he mean)
-            initializeTypeParameters(psiClass);
-        }
+        // UGLY HACK (Andrey Breslav is not sure what did he mean)
+        initializeTypeParameters(psiClass);
 
         supertypes.addAll(getSupertypes(psiClass));
         if (psiClass.isInterface()) {
@@ -188,7 +215,11 @@ public class JavaDescriptorResolver {
                         classDescriptor,
                         Collections.<AnnotationDescriptor>emptyList(), // TODO
                         false);
-                constructorDescriptor.initialize(typeParameters, resolveParameterDescriptors(constructorDescriptor, constructor.getParameterList().getParameters()), Modality.FINAL,
+                ValueParameterDescriptors valueParameterDescriptors = resolveParameterDescriptors(constructorDescriptor, constructor.getParameterList().getParameters());
+                if (valueParameterDescriptors.receiverType != null) {
+                    throw new IllegalStateException();
+                }
+                constructorDescriptor.initialize(typeParameters, valueParameterDescriptors.descriptors, Modality.FINAL,
                                                  resolveVisibilityFromPsiModifiers(constructor));
                 constructorDescriptor.setReturnType(classDescriptor.getDefaultType());
                 classDescriptor.addConstructor(constructorDescriptor);
@@ -208,7 +239,7 @@ public class JavaDescriptorResolver {
                 if (attributeValue != null) {
                     String typeParametersString = (String) attributeValue.getValue();
                     if (typeParametersString != null) {
-                        return resolveClassTypeParametersFromJetSignature(typeParametersString, classDescriptor);
+                        return resolveClassTypeParametersFromJetSignature(typeParametersString, psiClass, classDescriptor);
                     }
                 }
             }
@@ -216,49 +247,107 @@ public class JavaDescriptorResolver {
         return makeUninitializedTypeParameters(classDescriptor, psiClass.getTypeParameters());
     }
 
+    @NotNull
+    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");
+    }
+
+
+    // cache
+    protected ClassDescriptor javaLangObject;
+
+    @NotNull
+    private ClassDescriptor getJavaLangObject() {
+        if (javaLangObject == null) {
+            javaLangObject = resolveClass("java.lang.Object");
+        }
+        return javaLangObject;
+    }
+
+    private boolean isJavaLangObject(JetType type) {
+        return type.getConstructor().getDeclarationDescriptor() == getJavaLangObject();
+    }
+
+
+    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) {
+                    if (isJavaLangObject(jetType)) {
+                        return;
+                    }
+                    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);
+    }
+
     /**
      * @see #resolveMethodTypeParametersFromJetSignature(String, FunctionDescriptor)
      */
-    private List<TypeParameterDescriptor> resolveClassTypeParametersFromJetSignature(String jetSignature, final JavaClassDescriptor classDescriptor) {
+    private List<TypeParameterDescriptor> resolveClassTypeParametersFromJetSignature(String jetSignature, final PsiClass clazz, final JavaClassDescriptor classDescriptor) {
         final List<TypeParameterDescriptor> r = new ArrayList<TypeParameterDescriptor>();
         new JetSignatureReader(jetSignature).accept(new JetSignatureExceptionsAdapter() {
             @Override
             public JetSignatureVisitor visitFormalTypeParameter(final String name, final TypeInfoVariance variance) {
-                return new JetSignatureExceptionsAdapter() {
-                    int index = 0;
-
+                return new JetSignatureTypeParameterVisitor(classDescriptor, clazz, name, variance) {
                     @Override
-                    public JetSignatureVisitor visitClassBound() {
-                        return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
-                            @Override
-                            protected void done(@NotNull JetType jetType) {
-                                // TODO
-                            }
-                        };
+                    protected void done(TypeParameterDescriptor typeParameterDescriptor) {
+                        r.add(typeParameterDescriptor);
                     }
-
-                    @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);
-                        r.add(typeParameter);
-                    }
-
                 };
             }
 
@@ -308,34 +397,49 @@ public class JavaDescriptorResolver {
                 psiTypeParameter.getName(),
                 psiTypeParameter.getIndex()
         );
-        typeParameterDescriptorCache.put(psiTypeParameter, typeParameterDescriptor);
+        typeParameterDescriptorCache.put(psiTypeParameter, new TypeParameterDescriptorInitialization(typeParameterDescriptor));
         return typeParameterDescriptor;
     }
 
-    private void initializeTypeParameter(PsiTypeParameter typeParameter, TypeParameterDescriptor typeParameterDescriptor) {
-        PsiClassType[] referencedTypes = typeParameter.getExtendsList().getReferencedTypes();
-        if (referencedTypes.length == 0){
-            typeParameterDescriptor.addUpperBound(JetStandardClasses.getNullableAnyType());
-        }
-        else if (referencedTypes.length == 1) {
-            typeParameterDescriptor.addUpperBound(semanticServices.getTypeTransformer().transformToType(referencedTypes[0]));
-        }
-        else {
-            for (PsiClassType referencedType : referencedTypes) {
-                typeParameterDescriptor.addUpperBound(semanticServices.getTypeTransformer().transformToType(referencedType));
+    private void initializeTypeParameter(PsiTypeParameter typeParameter, TypeParameterDescriptorInitialization typeParameterDescriptorInitialization) {
+        TypeParameterDescriptor typeParameterDescriptor = typeParameterDescriptorInitialization.descriptor;
+        if (typeParameterDescriptorInitialization.origin == TypeParameterDescriptorOrigin.KOTLIN) {
+            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){
+                typeParameterDescriptor.addUpperBound(JetStandardClasses.getNullableAnyType());
+            }
+            else if (referencedTypes.length == 1) {
+                typeParameterDescriptor.addUpperBound(semanticServices.getTypeTransformer().transformToType(referencedTypes[0]));
+            }
+            else {
+                for (PsiClassType referencedType : referencedTypes) {
+                    typeParameterDescriptor.addUpperBound(semanticServices.getTypeTransformer().transformToType(referencedType));
+                }
             }
         }
+        typeParameterDescriptor.setInitialized();
     }
 
     private void initializeTypeParameters(PsiTypeParameterListOwner typeParameterListOwner) {
         for (PsiTypeParameter psiTypeParameter : typeParameterListOwner.getTypeParameters()) {
-            initializeTypeParameter(psiTypeParameter, resolveTypeParameter(psiTypeParameter));
+            initializeTypeParameter(psiTypeParameter, resolveTypeParameterInitialization(psiTypeParameter));
         }
     }
 
     @NotNull
-    private TypeParameterDescriptor resolveTypeParameter(@NotNull DeclarationDescriptor containingDeclaration, @NotNull PsiTypeParameter psiTypeParameter) {
-        TypeParameterDescriptor typeParameterDescriptor = typeParameterDescriptorCache.get(psiTypeParameter);
+    private TypeParameterDescriptorInitialization resolveTypeParameter(@NotNull DeclarationDescriptor containingDeclaration, @NotNull PsiTypeParameter psiTypeParameter) {
+        TypeParameterDescriptorInitialization typeParameterDescriptor = typeParameterDescriptorCache.get(psiTypeParameter);
         assert typeParameterDescriptor != null : psiTypeParameter.getText();
         return typeParameterDescriptor;
     }
@@ -423,21 +527,71 @@ public class JavaDescriptorResolver {
         semanticServices.getTrace().record(BindingContext.NAMESPACE, psiClass, namespaceDescriptor);
         return namespaceDescriptor;
     }
+    
+    private static class ValueParameterDescriptors {
+        private final JetType receiverType;
+        private final List<ValueParameterDescriptor> descriptors;
 
-    public List<ValueParameterDescriptor> resolveParameterDescriptors(DeclarationDescriptor containingDeclaration, PsiParameter[] parameters) {
-        List<ValueParameterDescriptor> result = new ArrayList<ValueParameterDescriptor>();
-        for (int i = 0, parametersLength = parameters.length; i < parametersLength; i++) {
-            PsiParameter parameter = parameters[i];
-            ValueParameterDescriptor valueParameterDescriptor = resolveParameterDescriptor(containingDeclaration, i, parameter);
-            if (valueParameterDescriptor != null) {
-                result.add(valueParameterDescriptor);
-            }
+        private ValueParameterDescriptors(@Nullable JetType receiverType, List<ValueParameterDescriptor> descriptors) {
+            this.receiverType = receiverType;
+            this.descriptors = descriptors;
         }
-        return result;
     }
 
-    @Nullable
-    private ValueParameterDescriptor resolveParameterDescriptor(DeclarationDescriptor containingDeclaration, int i, PsiParameter parameter) {
+    public ValueParameterDescriptors resolveParameterDescriptors(DeclarationDescriptor containingDeclaration, PsiParameter[] parameters) {
+        List<ValueParameterDescriptor> result = new ArrayList<ValueParameterDescriptor>();
+        JetType receiverType = null;
+        for (int i = 0, parametersLength = parameters.length; i < parametersLength; i++) {
+            PsiParameter parameter = parameters[i];
+            JvmMethodParameterMeaning meaning = resolveParameterDescriptor(containingDeclaration, i, parameter);
+            if (meaning.kind == JvmMethodParameterKind.TYPE_INFO) {
+                // TODO
+            } else if (meaning.kind == JvmMethodParameterKind.REGULAR) {
+                result.add(meaning.valueParameterDescriptor);
+            } else if (meaning.kind == JvmMethodParameterKind.RECEIVER) {
+                if (receiverType != null) {
+                    throw new IllegalStateException("more then one receiver");
+                }
+                receiverType = meaning.receiverType;
+            }
+        }
+        return new ValueParameterDescriptors(receiverType, result);
+    }
+
+    private enum JvmMethodParameterKind {
+        REGULAR,
+        RECEIVER,
+        TYPE_INFO,
+    }
+    
+    private static class JvmMethodParameterMeaning {
+        private final JvmMethodParameterKind kind;
+        private final JetType receiverType;
+        private final ValueParameterDescriptor valueParameterDescriptor;
+        private final Object typeInfo;
+
+        private JvmMethodParameterMeaning(JvmMethodParameterKind kind, JetType receiverType, ValueParameterDescriptor valueParameterDescriptor, Object typeInfo) {
+            this.kind = kind;
+            this.receiverType = receiverType;
+            this.valueParameterDescriptor = valueParameterDescriptor;
+            this.typeInfo = typeInfo;
+        }
+        
+        public static JvmMethodParameterMeaning receiver(@NotNull JetType receiverType) {
+            return new JvmMethodParameterMeaning(JvmMethodParameterKind.RECEIVER, receiverType, null, null);
+        }
+        
+        public static JvmMethodParameterMeaning regular(@NotNull ValueParameterDescriptor valueParameterDescriptor) {
+            return new JvmMethodParameterMeaning(JvmMethodParameterKind.REGULAR, null, valueParameterDescriptor, null);
+        }
+        
+        public static JvmMethodParameterMeaning typeInfo(@NotNull Object typeInfo) {
+            return new JvmMethodParameterMeaning(JvmMethodParameterKind.TYPE_INFO, null, null, typeInfo);
+        }
+    }
+
+    @NotNull
+    private JvmMethodParameterMeaning resolveParameterDescriptor(DeclarationDescriptor containingDeclaration, int i, PsiParameter parameter) {
         PsiType psiType = parameter.getType();
 
         JetType varargElementType;
@@ -453,13 +607,11 @@ public class JavaDescriptorResolver {
         boolean nullable = true;
         String typeFromAnnotation = null;
         
+        boolean receiver = false;
+        
         // TODO: must be very slow, make it lazy?
         String name = parameter.getName() != null ? parameter.getName() : "p" + i;
         for (PsiAnnotation annotation : parameter.getModifierList().getAnnotations()) {
-            // TODO: softcode annotation name
-
-            PsiNameValuePair[] attributes = annotation.getParameterList().getAttributes();
-            attributes.toString();
 
             if (annotation.getQualifiedName().equals(StdlibNames.JET_VALUE_PARAMETER.getFqName())) {
                 PsiLiteralExpression nameExpression = (PsiLiteralExpression) annotation.findAttributeValue(StdlibNames.JET_VALUE_PARAMETER_NAME_FIELD);
@@ -480,8 +632,16 @@ public class JavaDescriptorResolver {
                 if (signatureExpression != null) {
                     typeFromAnnotation = (String) signatureExpression.getValue();
                 }
+
+
+                PsiLiteralExpression receiverExpression = (PsiLiteralExpression) annotation.findAttributeValue(StdlibNames.JET_VALUE_PARAMETER_RECEIVER_FIELD);
+                if (receiverExpression != null) {
+                    receiver = true;
+                }
+
+
             } else if (annotation.getQualifiedName().equals(StdlibNames.JET_TYPE_PARAMETER.getFqName())) {
-                return null;
+                return JvmMethodParameterMeaning.typeInfo(new Object());
             }
         }
         
@@ -491,16 +651,20 @@ public class JavaDescriptorResolver {
         } else {
             outType = semanticServices.getTypeTransformer().transformToType(psiType);
         }
-        return new ValueParameterDescriptorImpl(
-                containingDeclaration,
-                i,
-                Collections.<AnnotationDescriptor>emptyList(), // TODO
-                name,
-                null, // TODO : review
-                changeNullable ? TypeUtils.makeNullableAsSpecified(outType, nullable) : outType,
-                false,
-                varargElementType
-        );
+        if (receiver) {
+            return JvmMethodParameterMeaning.receiver(outType);
+        } else {
+            return JvmMethodParameterMeaning.regular(new ValueParameterDescriptorImpl(
+                    containingDeclaration,
+                    i,
+                    Collections.<AnnotationDescriptor>emptyList(), // TODO
+                    name,
+                    null, // TODO : review
+                    changeNullable ? TypeUtils.makeNullableAsSpecified(outType, nullable) : outType,
+                    false,
+                    varargElementType
+            ));
+        }
     }
 
     public VariableDescriptor resolveFieldToVariableDescriptor(DeclarationDescriptor containingDeclaration, PsiField field) {
@@ -592,12 +756,13 @@ public class JavaDescriptorResolver {
         );
         methodDescriptorCache.put(method, functionDescriptorImpl);
         List<TypeParameterDescriptor> typeParameters = resolveMethodTypeParameters(method, functionDescriptorImpl);
+        ValueParameterDescriptors valueParameterDescriptors = resolveParameterDescriptors(functionDescriptorImpl, parameters);
         functionDescriptorImpl.initialize(
-                null,
+                valueParameterDescriptors.receiverType,
                 DescriptorUtils.getExpectedThisObjectIfNeeded(classDescriptor),
                 typeParameters,
-                semanticServices.getDescriptorResolver().resolveParameterDescriptors(functionDescriptorImpl, parameters),
-                semanticServices.getDescriptorResolver().makeReturnType(returnType, method),
+                valueParameterDescriptors.descriptors,
+                makeReturnType(returnType, method),
                 Modality.convertFromFlags(method.hasModifierProperty(PsiModifier.ABSTRACT), !method.hasModifierProperty(PsiModifier.FINAL)),
                 resolveVisibilityFromPsiModifiers(method)
         );
@@ -616,7 +781,9 @@ public class JavaDescriptorResolver {
                 if (attributeValue != null) {
                     String typeParametersString = (String) attributeValue.getValue();
                     if (typeParametersString != null) {
-                        return resolveMethodTypeParametersFromJetSignature(typeParametersString, functionDescriptorImpl);
+                        List<TypeParameterDescriptor> r = resolveMethodTypeParametersFromJetSignature(typeParametersString, method, functionDescriptorImpl);
+                        initializeTypeParameters(method);
+                        return r;
                     }
                 }
             }
@@ -628,49 +795,21 @@ public class JavaDescriptorResolver {
     }
 
     /**
-     * @see #resolveClassTypeParametersFromJetSignature(String, JavaClassDescriptor)
+     * @see #resolveClassTypeParametersFromJetSignature(String, com.intellij.psi.PsiClass, JavaClassDescriptor) 
      */
-    private List<TypeParameterDescriptor> resolveMethodTypeParametersFromJetSignature(String jetSignature, final FunctionDescriptor functionDescriptor) {
+    private List<TypeParameterDescriptor> resolveMethodTypeParametersFromJetSignature(String jetSignature, final PsiMethod method, final FunctionDescriptor functionDescriptor) {
         final List<TypeParameterDescriptor> r = new ArrayList<TypeParameterDescriptor>();
         new JetSignatureReader(jetSignature).acceptFormalTypeParametersOnly(new JetSignatureExceptionsAdapter() {
             @Override
             public JetSignatureVisitor visitFormalTypeParameter(final String name, final TypeInfoVariance variance) {
-
-                return new JetSignatureExceptionsAdapter() {
-                    int index = 0;
-
+                
+                return new JetSignatureTypeParameterVisitor(functionDescriptor, method, name, variance) {
                     @Override
-                    public JetSignatureVisitor visitClassBound() {
-                        return new JetTypeJetSignatureReader(JavaDescriptorResolver.this, semanticServices.getJetSemanticServices().getStandardLibrary()) {
-                            @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);
-                        r.add(typeParameter);
+                    protected void done(TypeParameterDescriptor typeParameterDescriptor) {
+                        r.add(typeParameterDescriptor);
                     }
                 };
+
             }
         });
         return r;
@@ -719,7 +858,8 @@ public class JavaDescriptorResolver {
                                         (modifierListOwner.hasModifierProperty(PsiModifier.PROTECTED) ? Visibility.PROTECTED : Visibility.INTERNAL));
     }
 
-    public TypeParameterDescriptor resolveTypeParameter(PsiTypeParameter typeParameter) {
+    @NotNull
+    private TypeParameterDescriptorInitialization resolveTypeParameterInitialization(PsiTypeParameter typeParameter) {
         PsiTypeParameterListOwner owner = typeParameter.getOwner();
         if (owner instanceof PsiClass) {
             PsiClass psiClass = (PsiClass) owner;
@@ -744,4 +884,8 @@ public class JavaDescriptorResolver {
         }
         throw new IllegalStateException("Unknown parent type: " + owner);
     }
+
+    public TypeParameterDescriptor resolveTypeParameter(PsiTypeParameter typeParameter) {
+        return resolveTypeParameterInitialization(typeParameter).descriptor;
+    }
 }

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

@@ -13,6 +13,7 @@ public class StdlibNames {
     public static final String JET_VALUE_PARAMETER_HAS_DEFAULT_VALUE_FIELD = "hasDefaultValue";
     public static final String JET_VALUE_PARAMETER_NULLABLE_FIELD = "nullable";
     public static final String JET_VALUE_PARAMETER_TYPE_FIELD = "type";
+    public static final String JET_VALUE_PARAMETER_RECEIVER_FIELD = "receiver";
 
 
     public static final JvmClassName JET_TYPE_PARAMETER = new JvmClassName("jet.typeinfo.JetTypeParameter");

compiler/frontend/src/jet/Library.jet

@@ -34,6 +34,8 @@ namespace io {
   fun readLine() : String?
 }
 
+fun <R> Any.synchronized(block : fun() : R) : R
+
 fun Any?.identityEquals(other : Any?) : Boolean // = this === other
 
 // Can't write a body due to a bootstrapping problem (see JET-74)
@@ -103,6 +105,38 @@ trait Iterable<out T> {
   fun iterator() : Iterator<T>
 }
 
+trait ByteIterable : Iterable<Byte> {
+  override fun iterator() : ByteIterator
+}
+
+trait ShortIterable : Iterable<Short> {
+  override fun iterator() : ShortIterator
+}
+
+trait IntIterable : Iterable<Int> {
+  override fun iterator() : IntIterator
+}
+
+trait LongIterable : Iterable<Long> {
+  override fun iterator() : LongIterator
+}
+
+trait FloatIterable : Iterable<Float> {
+  override fun iterator() : FloatIterator
+}
+
+trait DoubleIterable : Iterable<Double> {
+  override fun iterator() : DoubleIterator
+}
+
+trait BooleanIterable : Iterable<Boolean> {
+  override fun iterator() : BooleanIterator
+}
+
+trait CharIterable : Iterable<Char> {
+  override fun iterator() : CharIterator
+}
+
 fun Array<T>(val size : Int) : Array<T?>
 
 class Array<T>(val size : Int, init : fun(Int) : T) {
@@ -230,7 +264,7 @@ trait Range<in T : Comparable<T>> {
   fun contains(item : T) : Boolean
 }
 
-class IntRange(val start : Int, size : Int, reversed : Boolean = false) : Range<Int>, Iterable<Int> {
+class IntRange(val start : Int, size : Int, reversed : Boolean = false) : Range<Int>, IntIterable {
     fun iterator () : Iterator<Int>
 
     fun contains (elem: Int) : Boolean

compiler/frontend/src/org/jetbrains/jet/lang/descriptors/TypeParameterDescriptor.java

@@ -28,6 +28,7 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
             int index) {
         TypeParameterDescriptor typeParameterDescriptor = createForFurtherModification(containingDeclaration, annotations, reified, variance, name, index);
         typeParameterDescriptor.addUpperBound(JetStandardClasses.getDefaultBound());
+        typeParameterDescriptor.setInitialized();
         return typeParameterDescriptor;
     }
 
@@ -52,6 +53,8 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
 
     private final boolean reified;
 
+    private boolean initialized = false;
+
     private TypeParameterDescriptor(
             @NotNull DeclarationDescriptor containingDeclaration,
             @NotNull List<AnnotationDescriptor> annotations,
@@ -74,25 +77,61 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
                 upperBounds);
     }
 
+    public void setInitialized() {
+        if (initialized) {
+            throw new IllegalStateException();
+        }
+        initialized = true;
+    }
+
+    private void checkInitialized() {
+        if (!initialized) {
+            throw new IllegalStateException();
+        }
+    }
+
+    private void checkUninitialized() {
+        if (initialized) {
+            throw new IllegalStateException();
+        }
+    }
+
     public boolean isReified() {
+        checkInitialized();
         return reified;
     }
 
     public Variance getVariance() {
+        checkInitialized();
         return variance;
     }
 
     public void addUpperBound(@NotNull JetType bound) {
+        checkUninitialized();
+        doAddUpperBound(bound);
+    }
+
+    private void doAddUpperBound(JetType bound) {
         upperBounds.add(bound); // TODO : Duplicates?
     }
 
+    public void addDefaultUpperBound() {
+        checkUninitialized();
+
+        if (upperBounds.isEmpty()) {
+            doAddUpperBound(JetStandardClasses.getDefaultBound());
+        }
+    }
+
     @NotNull
     public Set<JetType> getUpperBounds() {
+        checkInitialized();
         return upperBounds;
     }
 
     @NotNull
     public JetType getUpperBoundsAsType() {
+        checkInitialized();
         if (upperBoundsAsType == null) {
             assert upperBounds != null : "Upper bound list is null in " + getName();
             assert upperBounds.size() > 0 : "Upper bound list is empty in " + getName();
@@ -106,11 +145,13 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
 
     @NotNull
     public Set<JetType> getLowerBounds() {
+        //checkInitialized();
         return Collections.singleton(JetStandardClasses.getNothingType());
     }
 
     @NotNull
     public JetType getLowerBoundsAsType() {
+        checkInitialized();
         return JetStandardClasses.getNothingType();
     }
     
@@ -118,6 +159,7 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
     @NotNull
     @Override
     public TypeConstructor getTypeConstructor() {
+        //checkInitialized();
         return typeConstructor;
     }
 
@@ -135,12 +177,14 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
 
     @Override
     public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
+        checkInitialized();
         return visitor.visitTypeParameterDescriptor(this, data);
     }
 
     @NotNull
     @Override
     public JetType getDefaultType() {
+        //checkInitialized();
         if (defaultType == null) {
             defaultType = new JetTypeImpl(
                             Collections.<AnnotationDescriptor>emptyList(),
@@ -159,6 +203,7 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
 
     @Override
     public JetType getClassObjectType() {
+        checkInitialized();
         if (classObjectUpperBounds.isEmpty()) return null;
 
         if (classObjectBoundsAsType == null) {
@@ -176,15 +221,19 @@ public class TypeParameterDescriptor extends DeclarationDescriptorImpl implement
     }
 
     public void addClassObjectBound(@NotNull JetType bound) {
+        checkUninitialized();
         classObjectUpperBounds.add(bound); // TODO : Duplicates?
     }
 
     public int getIndex() {
+        checkInitialized();
         return index;
     }
     
     @NotNull
     public TypeParameterDescriptor copy(@NotNull DeclarationDescriptor newOwner) {
-        return new TypeParameterDescriptor(newOwner, Lists.newArrayList(getAnnotations()), reified, variance, getName(), index);
+        TypeParameterDescriptor copy = new TypeParameterDescriptor(newOwner, Lists.newArrayList(getAnnotations()), reified, variance, getName(), index);
+        copy.initialized = this.initialized;
+        return  copy;
     }
 }

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

@@ -381,9 +381,9 @@ public class DescriptorResolver {
         }
 
         for (TypeParameterDescriptor parameter : parameters) {
-            if (parameter.getUpperBounds().isEmpty()) {
-                parameter.addUpperBound(JetStandardClasses.getDefaultBound());
-            }
+            parameter.addDefaultUpperBound();
+
+            parameter.setInitialized();
 
             if (JetStandardClasses.isNothing(parameter.getUpperBoundsAsType())) {
                 PsiElement nameIdentifier = typeParameters.get(parameter.getIndex()).getNameIdentifier();

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallResolver.java

@@ -19,6 +19,7 @@ import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
 import org.jetbrains.jet.lang.types.*;
 import org.jetbrains.jet.lang.types.expressions.ExpressionTypingServices;
 import org.jetbrains.jet.lang.types.expressions.OperatorConventions;
+import org.jetbrains.jet.lexer.JetToken;
 import org.jetbrains.jet.lexer.JetTokens;
 
 import java.util.*;
@@ -348,7 +349,7 @@ public class CallResolver {
                     if (callElement instanceof JetBinaryExpression) {
                         JetBinaryExpression binaryExpression = (JetBinaryExpression) callElement;
                         JetSimpleNameExpression operationReference = binaryExpression.getOperationReference();
-                        String operationString = operationReference.getReferencedNameElementType() == JetTokens.IDENTIFIER ? operationReference.getText() : OperatorConventions.getNameForOperationSymbol(operationReference.getReferencedNameElementType());
+                        String operationString = operationReference.getReferencedNameElementType() == JetTokens.IDENTIFIER ? operationReference.getText() : OperatorConventions.getNameForOperationSymbol((JetToken) operationReference.getReferencedNameElementType());
                         JetExpression right = binaryExpression.getRight();
                         if (right != null) {
                             trace.report(UNSAFE_INFIX_CALL.on(reference, binaryExpression.getLeft().getText(), operationString, right.getText()));
@@ -510,15 +511,6 @@ public class CallResolver {
                     }
                     else {
                         tracing.typeInferenceFailed(temporaryTrace, solution.getStatus());
-//                        // Substitute DONT_CARE types to make further type checking as tolerant as possible
-//                        D candidateWithDontCares = (D) candidate.substitute(TypeSubstitutor.makeConstantSubstitutor(candidate.getTypeParameters(), DONT_CARE));
-//                        if (candidateWithDontCares == null) {
-//                            candidateWithDontCares = (D) candidate.substitute(TypeSubstitutor.makeConstantSubstitutor(candidate.getTypeParameters(), Variance.INVARIANT, DONT_CARE));
-//                        }
-//                        if (!ErrorUtils.isErrorType(candidateWithDontCares.getReturnType())) {
-//                            // Returning an error type provokes overload resolution ambiguities that mask errors
-//                            candidateCall.setResultingDescriptor(candidateWithDontCares);
-//                        }
                         candidateCall.setStatus(OTHER_ERROR.combine(checkAllValueArguments(scope, tracing, task, candidateCall)));
                     }
                 }

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintSystemWithPriorities.java

@@ -259,7 +259,7 @@ public class ConstraintSystemWithPriorities implements ConstraintSystem {
 
         assert constraintQueue.isEmpty() || unsolvedUnknowns.isEmpty() : constraintQueue + " " + unsolvedUnknowns;
 
-        for (TypeValue unknown : unsolvedUnknowns) {
+        for (TypeValue unknown : Sets.newLinkedHashSet(unsolvedUnknowns)) {
             if (!computeValueFor(unknown)) {
                 listener.error("Not enough data to compute value for ", unknown);
                 solution.registerError("Not enough data to compute value for " + unknown + ". Please, specify type arguments explicitly");

compiler/frontend/src/org/jetbrains/jet/lang/types/DescriptorSubstitutor.java

@@ -44,6 +44,7 @@ public class DescriptorSubstitutor {
                     descriptor.getVariance(),
                     descriptor.getName(),
                     descriptor.getIndex());
+            substituted.setInitialized();
 
             mutableSubstitution.put(descriptor.getTypeConstructor(), new TypeProjection(substituted.getDefaultType()));
 

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/OperatorConventions.java

@@ -1,10 +1,11 @@
 package org.jetbrains.jet.lang.types.expressions;
 
+import com.google.common.collect.ImmutableBiMap;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
-import com.intellij.psi.tree.IElementType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lexer.JetToken;
 import org.jetbrains.jet.lexer.JetTokens;
 
 /**
@@ -12,6 +13,10 @@ import org.jetbrains.jet.lexer.JetTokens;
  */
 public class OperatorConventions {
 
+    public static final String EQUALS = "equals";
+    public static final String COMPARE_TO = "compareTo";
+    public static final String CONTAINS = "contains";
+
     private OperatorConventions() {}
 
     public static final ImmutableSet<String> NUMBER_CONVERSIONS = ImmutableSet.of(
@@ -23,7 +28,7 @@ public class OperatorConventions {
             "int"
     );
 
-    public static final ImmutableMap<IElementType, String> UNARY_OPERATION_NAMES = ImmutableMap.<IElementType, String>builder()
+    public static final ImmutableBiMap<JetToken, String> UNARY_OPERATION_NAMES = ImmutableBiMap.<JetToken, String>builder()
             .put(JetTokens.PLUSPLUS, "inc")
             .put(JetTokens.MINUSMINUS, "dec")
             .put(JetTokens.PLUS, "plus")
@@ -31,7 +36,7 @@ public class OperatorConventions {
             .put(JetTokens.EXCL, "not")
             .build();
 
-    public static final ImmutableMap<IElementType, String> BINARY_OPERATION_NAMES = ImmutableMap.<IElementType, String>builder()
+    public static final ImmutableBiMap<JetToken, String> BINARY_OPERATION_NAMES = ImmutableBiMap.<JetToken, String>builder()
             .put(JetTokens.MUL, "times")
             .put(JetTokens.PLUS, "plus")
             .put(JetTokens.MINUS, "minus")
@@ -41,11 +46,22 @@ public class OperatorConventions {
             .put(JetTokens.RANGE, "rangeTo")
             .build();
 
-    public static final ImmutableSet<IElementType> COMPARISON_OPERATIONS = ImmutableSet.<IElementType>of(JetTokens.LT, JetTokens.GT, JetTokens.LTEQ, JetTokens.GTEQ);
-    public static final ImmutableSet<IElementType> EQUALS_OPERATIONS = ImmutableSet.<IElementType>of(JetTokens.EQEQ, JetTokens.EXCLEQ);
+    public static final ImmutableSet<JetToken> NOT_OVERLOADABLE = 
+            ImmutableSet.<JetToken>of(JetTokens.ANDAND, JetTokens.OROR, JetTokens.ELVIS);
+    
+    public static final ImmutableSet<JetToken> INCREMENT_OPERATIONS =
+            ImmutableSet.<JetToken>of(JetTokens.PLUSPLUS, JetTokens.MINUSMINUS);
 
-    public static final ImmutableSet<IElementType> IN_OPERATIONS = ImmutableSet.<IElementType>of(JetTokens.IN_KEYWORD, JetTokens.NOT_IN);
-    public static final ImmutableMap<IElementType, String> ASSIGNMENT_OPERATIONS = ImmutableMap.<IElementType, String>builder()
+    public static final ImmutableSet<JetToken> COMPARISON_OPERATIONS =
+            ImmutableSet.<JetToken>of(JetTokens.LT, JetTokens.GT, JetTokens.LTEQ, JetTokens.GTEQ);
+
+    public static final ImmutableSet<JetToken> EQUALS_OPERATIONS =
+            ImmutableSet.<JetToken>of(JetTokens.EQEQ, JetTokens.EXCLEQ);
+
+    public static final ImmutableSet<JetToken> IN_OPERATIONS =
+            ImmutableSet.<JetToken>of(JetTokens.IN_KEYWORD, JetTokens.NOT_IN);
+
+    public static final ImmutableBiMap<JetToken, String> ASSIGNMENT_OPERATIONS = ImmutableBiMap.<JetToken, String>builder()
             .put(JetTokens.MULTEQ, "timesAssign")
             .put(JetTokens.DIVEQ, "divAssign")
             .put(JetTokens.PERCEQ, "modAssign")
@@ -53,7 +69,7 @@ public class OperatorConventions {
             .put(JetTokens.MINUSEQ, "minusAssign")
             .build();
 
-    public static final ImmutableMap<IElementType, IElementType> ASSIGNMENT_OPERATION_COUNTERPARTS = ImmutableMap.<IElementType, IElementType>builder()
+    public static final ImmutableMap<JetToken, JetToken> ASSIGNMENT_OPERATION_COUNTERPARTS = ImmutableMap.<JetToken, JetToken>builder()
             .put(JetTokens.MULTEQ, JetTokens.MUL)
             .put(JetTokens.DIVEQ, JetTokens.DIV)
             .put(JetTokens.PERCEQ, JetTokens.PERC)
@@ -62,17 +78,16 @@ public class OperatorConventions {
             .build();
     
     @Nullable
-    public static String getNameForOperationSymbol(@NotNull IElementType token) {
+    public static String getNameForOperationSymbol(@NotNull JetToken token) {
         String name = UNARY_OPERATION_NAMES.get(token);
         if (name != null) return name;
         name = BINARY_OPERATION_NAMES.get(token);
         if (name != null) return name;
         name = ASSIGNMENT_OPERATIONS.get(token);
         if (name != null) return name;
-        if (COMPARISON_OPERATIONS.contains(token)) return "compareTo";
-        if (EQUALS_OPERATIONS.contains(token)) return "equals";
-        if (IN_OPERATIONS.contains(token)) return "contains";
+        if (COMPARISON_OPERATIONS.contains(token)) return COMPARE_TO;
+        if (EQUALS_OPERATIONS.contains(token)) return EQUALS;
+        if (IN_OPERATIONS.contains(token)) return CONTAINS;
         return null;
-    } 
-
+    }
 }

compiler/testData/codegen/controlStructures/ifInWhile.jet

@@ -0,0 +1,14 @@
+import java.lang.Runtime
+
+fun box() : String {
+    val processors = Runtime.getRuntime().sure().availableProcessors()
+    var threadNum = 1
+    while(threadNum <= 1024) {
+        System.out?.println(threadNum)
+        if(threadNum < 2 * processors)
+            threadNum += 1
+        else
+            threadNum *= 2
+    }
+    return "OK"
+}

compiler/testData/codegen/controlStructures/sync.jet

@@ -0,0 +1,33 @@
+import java.util.concurrent.*
+import java.util.concurrent.atomic.*
+
+fun thread(block: fun():Unit ) {
+    val thread = object: Thread() {
+        override fun run() {
+            block()
+        }
+    }
+    thread.start()
+}
+
+fun box() : String {
+   val ref = AtomicInteger()
+   val cdl = CountDownLatch(11)
+   for(i in 0..10) {
+       thread {
+          var current = 0
+          do {
+              current = ref.synchronized {
+                val v = ref.get() + 1
+                if(v < 100)
+                    ref.set(v+1)
+                v
+              }
+          }
+          while(current < 100)
+          cdl.countDown()
+       }
+   }
+   cdl.await()
+   return if(ref.get() == 100) "OK" else ref.get().toString()
+}

compiler/testData/codegen/regressions/kt511.jet

@@ -0,0 +1,16 @@
+namespace one_extends_base
+
+open class Base<T>(name : T?) {
+    var myName : T?
+    {
+        $myName = name
+    }
+}
+open class One<T, K>(name : T?, second : K?) : Base<T?>(name) {
+    var mySecond : K?
+    {
+        $mySecond = second
+    }
+}
+
+fun box() = if(One<String, Int>("ola", 0).myName == "ola") "OK" else "fail"

compiler/testData/codegen/regressions/kt772.jet

@@ -0,0 +1,25 @@
+namespace demo2
+
+fun print(o : Any?) {}
+
+fun test(i : Int) {
+    var monthString : String? = "<empty>"
+        when (i) {
+        1 => {
+            print(1)
+            print(2)
+            print(3)
+            print(4)
+            print(5)
+        }
+       else => {
+            monthString = "Invalid month"
+        }
+    }
+    print(monthString)
+}
+
+fun box() : String {
+    for (i in 1..12) test(i)
+    return "OK"
+}

compiler/testData/codegen/regressions/kt779.jet

@@ -0,0 +1,3 @@
+val <T> Array<T>.length : Int get() = this.size
+
+fun box() = if(Array(10, {1}).length == 10) "OK" else "fail"

compiler/testData/diagnostics/tests/regressions/kt860.jet

@@ -0,0 +1,14 @@
+// KT-860 ConcurrentModificationException in frontend
+// +JDK
+
+namespace std.util
+
+import java.util.*
+
+fun <T, U: Collection<in T>> Iterator<T>.to(container: U) : U {
+    while(hasNext)
+        container.add(next())
+    return container
+}
+
+inline fun <T> Iterator<T>.toArrayList() = to(ArrayList<T>())

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/testData/readClass/class/Trait.kt

@@ -0,0 +1,3 @@
+namespace test
+
+trait Trtrtr

compiler/testData/readClass/fun/ExtFun.kt

@@ -0,0 +1,3 @@
+namespace test
+
+fun Int.shuffle() = 1

compiler/testData/readClass/fun/FunParamUpperClassBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+fun <A : java.lang.Number> uno() = 1

compiler/testData/readClass/fun/FunParamUpperClassInterfaceBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+fun <A> tres() where A : java.lang.Number, A : java.lang.CharSequence = 1

compiler/testData/readClass/fun/FunParamUpperInterfaceBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+fun <A : java.lang.CharSequence> dos() = 1

compiler/testData/readClass/fun/FunParamUpperInterfaceClassBound.kt

@@ -0,0 +1,3 @@
+namespace test
+
+fun <A> cuatro() where A : java.lang.CharSequence, A : java.lang.Number = 1

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

@@ -1,13 +1,10 @@
 package org.jetbrains.jet;
 
-import com.intellij.lang.LanguageASTFactory;
-import com.intellij.lang.java.JavaLanguage;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.vfs.CharsetToolkit;
 import com.intellij.psi.PsiFileFactory;
 import com.intellij.psi.impl.PsiFileFactoryImpl;
-import com.intellij.psi.impl.source.tree.JavaASTFactory;
 import com.intellij.testFramework.LightVirtualFile;
 import com.intellij.testFramework.UsefulTestCase;
 import junit.framework.Test;
@@ -70,8 +67,6 @@ public class CompileJavaAgainstKotlinTest extends UsefulTestCase {
     protected void runTest() throws Throwable {
         jetCoreEnvironment = JetTestUtils.createEnvironmentWithMockJdk(myTestRootDisposable);
 
-        LanguageASTFactory.INSTANCE.addExplicitExtension(JavaLanguage.INSTANCE, new JavaASTFactory());
-
 
         String text = FileUtil.loadFile(ktFile);
 

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

@@ -1,14 +1,11 @@
 package org.jetbrains.jet;
 
-import com.intellij.lang.LanguageASTFactory;
-import com.intellij.lang.java.JavaLanguage;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.vfs.CharsetToolkit;
 import com.intellij.psi.PsiFileFactory;
 import com.intellij.psi.impl.PsiFileFactoryImpl;
-import com.intellij.psi.impl.source.tree.JavaASTFactory;
 import com.intellij.testFramework.LightVirtualFile;
 import com.intellij.testFramework.UsefulTestCase;
 import junit.framework.Test;
@@ -18,15 +15,7 @@ import org.jetbrains.jet.codegen.ClassFileFactory;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.compiler.CompileEnvironment;
 import org.jetbrains.jet.lang.JetSemanticServices;
-import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
-import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor;
-import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
-import org.jetbrains.jet.lang.descriptors.DeclarationDescriptorImpl;
-import org.jetbrains.jet.lang.descriptors.FunctionDescriptor;
-import org.jetbrains.jet.lang.descriptors.ModuleDescriptor;
-import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
-import org.jetbrains.jet.lang.descriptors.TypeParameterDescriptor;
-import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
+import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.psi.JetFile;
 import org.jetbrains.jet.lang.resolve.AnalyzingUtils;
 import org.jetbrains.jet.lang.resolve.BindingContext;
@@ -34,8 +23,8 @@ import org.jetbrains.jet.lang.resolve.BindingTraceContext;
 import org.jetbrains.jet.lang.resolve.java.JavaDescriptorResolver;
 import org.jetbrains.jet.lang.resolve.java.JavaSemanticServices;
 import org.jetbrains.jet.lang.resolve.scopes.JetScope;
+import org.jetbrains.jet.lang.resolve.scopes.receivers.ExtensionReceiver;
 import org.jetbrains.jet.lang.types.JetType;
-import org.jetbrains.jet.lang.types.TypeConstructor;
 import org.jetbrains.jet.lang.types.TypeProjection;
 import org.jetbrains.jet.lang.types.Variance;
 import org.jetbrains.jet.plugin.JetLanguage;
@@ -44,6 +33,7 @@ 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;
 
@@ -92,9 +82,6 @@ public class ReadClassDataTest extends UsefulTestCase {
     public void runTest() throws Exception {
         jetCoreEnvironment = JetTestUtils.createEnvironmentWithMockJdk(myTestRootDisposable);
 
-        LanguageASTFactory.INSTANCE.addExplicitExtension(JavaLanguage.INSTANCE, new JavaASTFactory());
-
-
         String text = FileUtil.loadFile(testFile);
 
         LightVirtualFile virtualFile = new LightVirtualFile(testFile.getName(), JetLanguage.INSTANCE, text);
@@ -159,7 +146,8 @@ public class ReadClassDataTest extends UsefulTestCase {
     private String serializeContent(ClassDescriptor klass) {
 
         StringBuilder sb = new StringBuilder();
-        sb.append("class ");
+        serialize(klass.getKind(), sb);
+        sb.append(" ");
         
         serialize(klass, sb);
 
@@ -174,9 +162,6 @@ public class ReadClassDataTest extends UsefulTestCase {
 
         sb.append(" {\n");
 
-        if (false) {
-            // TODO: for some reason I don't understand scope of ClassDescriptor came from source is empty
-        
         List<TypeProjection> typeArguments = new ArrayList<TypeProjection>();
         for (TypeParameterDescriptor param : klass.getTypeConstructor().getParameters()) {
             typeArguments.add(new TypeProjection(Variance.INVARIANT, param.getDefaultType()));
@@ -184,15 +169,37 @@ public class ReadClassDataTest extends UsefulTestCase {
 
         JetScope memberScope = klass.getMemberScope(typeArguments);
         for (DeclarationDescriptor member : memberScope.getAllDescriptors()) {
+            // TODO
+            if (member.getName().equals("equals") || member.getName().equals("hashCode")
+                    || member.getName().equals("wait") || member.getName().equals("notify") || member.getName().equals("notifyAll")
+                    || member.getName().equals("toString") || member.getName().equals("getClass")
+                    || member.getName().equals("clone") || member.getName().equals("finalize")
+                    || member.getName().equals("getTypeInfo") || member.getName().equals("$setTypeInfo") || member.getName().equals("$typeInfo")
+                )
+            {
+                continue;
+            }
+            sb.append("    ");
             serialize(member, sb);
             sb.append("\n");
         }
 
-        }
-
         sb.append("}\n");
         return sb.toString();
     }
+    
+    private void serialize(ClassKind kind, StringBuilder sb) {
+        switch (kind) {
+            case CLASS:
+                sb.append("class");
+                break;
+            case TRAIT:
+                sb.append("trait");
+                break;
+            default:
+                throw new IllegalStateException();
+        }
+    }
 
 
     private void compareFunctions(@NotNull FunctionDescriptor a, @NotNull FunctionDescriptor b) {
@@ -220,6 +227,12 @@ public class ReadClassDataTest extends UsefulTestCase {
             serializeCommaSeparated(fun.getTypeParameters(), sb);
             sb.append(">");
         }
+
+        if (fun.getReceiverParameter().exists()) {
+            serialize(fun.getReceiverParameter(), sb);
+            sb.append(".");
+        }
+
         sb.append(fun.getName());
         sb.append("(");
         serializeCommaSeparated(fun.getValueParameters(), sb);
@@ -227,6 +240,21 @@ public class ReadClassDataTest extends UsefulTestCase {
         serialize(fun.getReturnType(), sb);
     }
     
+    private void serialize(ExtensionReceiver extensionReceiver, StringBuilder sb) {
+        serialize(extensionReceiver.getType(), sb);
+    }
+    
+    private void serialize(PropertyDescriptor prop, StringBuilder sb) {
+        if (prop.isVar()) {
+            sb.append("var ");
+        } else {
+            sb.append("val ");
+        }
+        sb.append(prop.getName());
+        sb.append(": ");
+        serialize(prop.getOutType(), sb);
+    }
+    
     private void serialize(ValueParameterDescriptor valueParameter, StringBuilder sb) {
         sb.append(valueParameter.getName());
         sb.append(": ");
@@ -274,16 +302,20 @@ 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()) {
@@ -311,6 +343,10 @@ 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
@@ -331,11 +367,20 @@ 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
     }
     
 

compiler/tests/org/jetbrains/jet/codegen/ArrayGenTest.java

@@ -12,6 +12,11 @@ public class ArrayGenTest extends CodegenTestCase {
 //        System.out.println(generateToText());
     }
 
+    public void testKt779 () throws Exception {
+        blackBoxFile("regressions/kt779.jet");
+//        System.out.println(generateToText());
+    }
+
     public void testCreateMultiInt () throws Exception {
         loadText("fun foo() = Array<Array<Int>> (5, { Array<Int>(it, {239}) })");
         Method foo = generateFunction();

compiler/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java

@@ -231,8 +231,25 @@ public class ControlStructuresTest extends CodegenTestCase {
 //        System.out.println(generateToText());
     }
 
+    public void testKt772() throws Exception {
+        blackBoxFile("regressions/kt772.jet");
+//        System.out.println(generateToText());
+    }
+
     public void testQuicksort() throws Exception {
         blackBoxFile("controlStructures/quicksort.jet");
+//        System.out.println(generateToText());
+    }
+
+    public void testSynchronized() throws Exception {
+        createEnvironmentWithFullJdk();
+        blackBoxFile("controlStructures/sync.jet");
+//        System.out.println(generateToText());
+    }
+
+    public void testIfInWhile() throws Exception {
+        createEnvironmentWithFullJdk();
+        blackBoxFile("controlStructures/ifInWhile.jet");
 //        System.out.println(generateToText());
     }
 }

compiler/tests/org/jetbrains/jet/codegen/TypeInfoTest.java

@@ -138,6 +138,11 @@ public class TypeInfoTest extends CodegenTestCase {
 //        System.out.println(generateToText());
     }
 
+    public void testKt511() throws Exception {
+        blackBoxFile("regressions/kt511.jet");
+//        System.out.println(generateToText());
+    }
+
     public void testInner() throws Exception {
         blackBoxFile("typeInfo/inner.jet");
         System.out.println(generateToText());

examples/src/benchmarks/LockPerf.kt

@@ -1,20 +1,13 @@
 namespace lockperformance
 
+import std.io.*
+import std.util.*
+import std.concurrent.*
+
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.locks.ReentrantLock;
 
-fun thread(f: fun ()) {
-    val thread = Thread(
-        object: Runnable {
-            override fun run() {
-                f()
-            }
-        }
-    )
-    thread.start()
-}
-
 fun <T> Int.latch(op: fun CountDownLatch.() : T) : T {
     val cdl = CountDownLatch(this)
     val res = cdl.op()
@@ -22,41 +15,37 @@ fun <T> Int.latch(op: fun CountDownLatch.() : T) : T {
     return res
 }
 
-fun Int.times(action: fun Int.()) {
-    for(i in 0..this-1)
-        action()
-}
-
 fun main(args: Array<String>) {
     val processors = Runtime.getRuntime().sure().availableProcessors()
     var threadNum = 1
     while(threadNum <= 1024) {
         val counter = AtomicInteger()
 
-        val start = System.currentTimeMillis()
-        threadNum.latch{
-            val lock = ReentrantLock()
-            threadNum.times {
-                thread {
-                    while(true) {
-                        lock.lock()
-                        try {
-                            if (counter.get() == 100000000) {
-                                countDown();
-                                break;
-                            } else {
-                                counter.incrementAndGet();
+        val duration = measureTimeMillis {
+            threadNum.latch{
+                val lock = ReentrantLock()
+                for(i in 0..threadNum-1) {
+                    thread {
+                        while(true) {
+                            lock.lock()
+                            try {
+                                if (counter.get() == 100000000) {
+                                    countDown();
+                                    break;
+                                } else {
+                                    counter.incrementAndGet();
+                                }
+                            }
+                            finally {
+                                lock.unlock()
                             }
-                        }
-                        finally {
-                            lock.unlock()
                         }
                     }
                 }
             }
         }
 
-        System.out?.println(threadNum.toString() + " " + (System.currentTimeMillis() - start));
+        println(threadNum.toString() + " " + duration)
 
         if(threadNum < 2 * processors)
             threadNum = threadNum + 1

idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java

@@ -16,10 +16,7 @@ import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiManager;
 import com.intellij.util.Chunk;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.codegen.ClassBuilderFactory;
-import org.jetbrains.jet.codegen.ClassFileFactory;
-import org.jetbrains.jet.codegen.CompilationErrorHandler;
-import org.jetbrains.jet.codegen.GenerationState;
+import org.jetbrains.jet.codegen.*;
 import org.jetbrains.jet.lang.cfg.pseudocode.JetControlFlowDataTraceFactory;
 import org.jetbrains.jet.lang.diagnostics.Diagnostic;
 import org.jetbrains.jet.lang.psi.JetFile;
@@ -102,7 +99,12 @@ public class JetCompiler implements TranslatingCompiler {
                     generationState.compileCorrectNamespaces(bindingContext, namespaces, new CompilationErrorHandler() {
                         @Override
                         public void reportException(Throwable exception, String fileUrl) {
-                            compileContext.addMessage(CompilerMessageCategory.WARNING, exception.getClass().getCanonicalName() + ": " + exception.getMessage(), fileUrl, 0, 0);
+                            if(exception instanceof CompilationException) {
+                                report((CompilationException) exception, compileContext);
+                            }
+                            else {
+                                compileContext.addMessage(CompilerMessageCategory.ERROR, exception.getClass().getCanonicalName() + ": " + exception.getMessage(), fileUrl, 0, 0);
+                            }
                         }
                     });
 ///////////
@@ -175,6 +177,29 @@ public class JetCompiler implements TranslatingCompiler {
         }
     }
 
+    private void report(CompilationException diagnostic, CompileContext compileContext) {
+        PsiFile psiFile = diagnostic.getElement().getContainingFile();
+        TextRange textRange = diagnostic.getElement().getTextRange();
+        Document document = psiFile.getViewProvider().getDocument();
+        int line;
+        int col;
+        if (document != null) {
+            line = document.getLineNumber(textRange.getStartOffset());
+            col = textRange.getStartOffset() - document.getLineStartOffset(line) + 1;
+        }
+        else {
+            line = -1;
+            col = -1;
+        }
+        VirtualFile virtualFile = psiFile.getVirtualFile();
+        if (virtualFile == null) {
+            compileContext.addMessage(ERROR, "[Internal Error] No virtual file for PsiFile. Diagnostic: " + diagnostic.getMessage(), "", -1, -1);
+        }
+        else {
+            compileContext.addMessage(ERROR, diagnostic.getMessage(), virtualFile.getUrl(), line + 1, col);
+        }
+    }
+
 //    private static class ModuleCompileState {
 //        private final GenerationState state;
 //        private final CompileContext compileContext;

idea/src/org/jetbrains/jet/plugin/compiler/WholeProjectAnalyzerFacade.java

@@ -1,7 +1,6 @@
 package org.jetbrains.jet.plugin.compiler;
 
 import com.google.common.collect.Sets;
-import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.compiler.ex.CompilerPathsEx;
 import com.intellij.openapi.fileTypes.FileType;
 import com.intellij.openapi.fileTypes.FileTypeManager;
@@ -41,7 +40,7 @@ public final class WholeProjectAnalyzerFacade {
             final Set<JetDeclaration> namespaces = Sets.newLinkedHashSet();
             final ProjectRootManager rootManager = ProjectRootManager.getInstance(project);
 
-            if (rootManager != null && !ApplicationManager.getApplication().isUnitTestMode()) {
+            if (rootManager != null /* && !ApplicationManager.getApplication().isUnitTestMode() */) {
                 VirtualFile[] contentRoots = rootManager.getContentRoots();
 
                 CompilerPathsEx.visitFiles(contentRoots, new CompilerPathsEx.FileVisitor() {
@@ -57,7 +56,6 @@ public final class WholeProjectAnalyzerFacade {
                         }
                     }
                 });
-                
             }
 
             namespaces.add(rootFile.getRootNamespace());

idea/testData/quickfix/autoImports/afterKotlinImport.kt

@@ -0,0 +1,7 @@
+// "Import Class" "true"
+
+import TestData.TestSample
+
+fun test() {
+    val a = TestSample
+}

idea/testData/quickfix/autoImports/beforeKotlinImport.Data.Sample.kt

@@ -0,0 +1,3 @@
+namespace TestData
+
+class TestSample() {}

idea/testData/quickfix/autoImports/beforeKotlinImport.Main.kt

@@ -0,0 +1,5 @@
+// "Import Class" "true"
+
+fun test() {
+    val a = <caret>TestSample
+}

idea/tests/org/jetbrains/jet/plugin/quickfix/JetPsiCheckerMultifileTest.java

@@ -0,0 +1,226 @@
+package org.jetbrains.jet.plugin.quickfix;
+
+import com.google.common.base.Function;
+import com.google.common.base.Predicate;
+import com.google.common.collect.Collections2;
+import com.google.common.collect.Lists;
+import com.intellij.codeInsight.daemon.DaemonAnalyzerTestCase;
+import com.intellij.codeInsight.daemon.impl.HighlightInfo;
+import com.intellij.codeInsight.daemon.quickFix.LightQuickFixTestCase;
+import com.intellij.codeInsight.intention.IntentionAction;
+import com.intellij.codeInsight.intention.impl.ShowIntentionActionsHandler;
+import com.intellij.openapi.command.CommandProcessor;
+import com.intellij.openapi.projectRoots.Sdk;
+import com.intellij.openapi.util.Pair;
+import com.intellij.rt.execution.junit.FileComparisonFailure;
+import com.intellij.util.ui.UIUtil;
+import junit.framework.Test;
+import junit.framework.TestSuite;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.JetTestCaseBuilder;
+import org.jetbrains.jet.plugin.PluginTestCaseBase;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.util.*;
+
+/**
+ * @author Nikolay Krasko
+ */
+public class JetPsiCheckerMultifileTest extends DaemonAnalyzerTestCase {
+
+    public final static String MAIN_SUBSTRING = ".Main";
+    public final static String DATA_SUBSTRING = ".Data";
+
+    private final String dataPath;
+    private final String name;
+
+    public JetPsiCheckerMultifileTest(String dataPath, String name) {
+        this.dataPath = dataPath;
+        this.name = name;
+
+        setName("testRun");
+    }
+
+    protected static boolean shouldBeAvailableAfterExecution() {
+        return false;
+    }
+
+    public void testRun() throws Exception {
+        configureByFiles(null, getFileNames(getTestFiles()).toArray(new String[1]));
+        doTest();
+    }
+
+    public void doTest() {
+        CommandProcessor.getInstance().executeCommand(getProject(), new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    final Pair<String, Boolean> pair = LightQuickFixTestCase.parseActionHint(getFile(), loadFile(getFile().getName()));
+                    final String text = pair.getFirst();
+                    
+                    final boolean actionShouldBeAvailable = pair.getSecond();
+    
+                    doAction(text, actionShouldBeAvailable, getTestDataPath());
+                }
+                catch (FileComparisonFailure e){
+                    throw e;
+                }
+                catch (Throwable e) {
+                    e.printStackTrace();
+                    fail(getTestName(true));
+                }
+            }
+        }, "", "");
+    }
+
+    @SuppressWarnings({"HardCodedStringLiteral"})
+    public void doAction(final String text, final boolean actionShouldBeAvailable, final String testFullPath)
+            throws Exception {
+        IntentionAction action = LightQuickFixTestCase.findActionWithText(getAvailableActions(), text);
+        if (action == null) {
+            if (actionShouldBeAvailable) {
+                List<IntentionAction> actions = getAvailableActions();
+                List<String> texts = new ArrayList<String>();
+                for (IntentionAction intentionAction : actions) {
+                    texts.add(intentionAction.getText());
+                }
+                Collection<HighlightInfo> infos = doHighlighting();
+                fail("Action with text '" + text + "' is not available in test " + testFullPath + "\n" +
+                     "Available actions (" + texts.size() + "): " + texts + "\n" +
+                     actions + "\n" +
+                     "Infos:" + infos);
+            }
+        }
+        else {
+            if (!actionShouldBeAvailable) {
+                fail("Action '" + text + "' is available (but must not) in test " + testFullPath);
+            }
+
+            ShowIntentionActionsHandler.chooseActionAndInvoke(getFile(), getEditor(), action, action.getText());
+
+            UIUtil.dispatchAllInvocationEvents();
+
+            if (!shouldBeAvailableAfterExecution()) {
+                final IntentionAction afterAction = LightQuickFixTestCase.findActionWithText(getAvailableActions(), text);
+                
+                if (afterAction != null) {
+                    fail("Action '" + text + "' is still available after its invocation in test " + testFullPath);
+                }
+            }
+
+            checkResultByFile(name.replace("before", "after").replace(MAIN_SUBSTRING, "") + ".kt");
+        }
+    }
+    
+    protected List<File> getTestFiles() {
+        File dir = new File(getTestDataPath());
+
+        assertTrue("Main file should contain .Main. substring", name.contains(MAIN_SUBSTRING));
+        final String testPrefix = name.replace(MAIN_SUBSTRING, "");
+        
+        // Files of single test
+        FilenameFilter resultFilter = new FilenameFilter() {
+            @Override
+            public boolean accept(File file, String s) {
+                return s.contains(testPrefix) && !s.contains("after");
+            }
+        };
+
+        List<File> allTestFiles = Arrays.asList(dir.listFiles(resultFilter));
+        
+        final Collection<File> mainFiles = Collections2.filter(allTestFiles, new Predicate<File>() {
+            @Override
+            public boolean apply(@Nullable File file) {
+                return file != null && file.getName().contains(MAIN_SUBSTRING);
+            }
+        });
+
+        assertTrue("No main file for test", mainFiles.size() > 0);
+        assertTrue("Too many main files for the test", mainFiles.size() <= 1);
+
+        final Collection<File> dataFiles = Collections2.filter(allTestFiles, new Predicate<File>() {
+            @Override
+            public boolean apply(@Nullable File file) {
+                return file != null && file.getName().contains(DATA_SUBSTRING);
+            }
+        });
+
+        final ArrayList<File> fileResult = new ArrayList<File>(allTestFiles);
+        fileResult.addAll(dataFiles);
+
+        return fileResult;
+    }
+    
+    protected static List<String> getFileNames(List<File> files) {
+        return Lists.newArrayList(Collections2.transform(files, new Function<File, String>() {
+            @Override
+            public String apply(File file) {
+                return file.getName();
+            }
+        }));
+    }
+
+    protected List<IntentionAction> getAvailableActions() {
+        doHighlighting();
+        return LightQuickFixTestCase.getAvailableActions(getEditor(), getFile());
+    }
+
+    @Override
+    public String getName() {
+        return "test" + name.replaceFirst(name.substring(0, 1), name.substring(0, 1).toUpperCase());
+    }
+
+    @Override
+    protected String getTestDataPath() {
+        return PluginTestCaseBase.getTestDataPathBase() + "/quickfix/" + dataPath + "/";
+    }
+
+    @Override
+    protected Sdk getTestProjectJdk() {
+        return PluginTestCaseBase.jdkFromIdeaHome();
+    }
+
+    public static boolean isMultiFileName(String fileName) {
+        return fileName.contains(MAIN_SUBSTRING) || fileName.contains(DATA_SUBSTRING);
+    }
+
+    public static boolean isMainFile(String fileName) {
+        return fileName.contains(MAIN_SUBSTRING);
+    }
+
+    public static Test suite() {
+        TestSuite suite = new TestSuite();
+
+        FilenameFilter multifileFileNameFilter = new FilenameFilter() {
+            @Override
+            public boolean accept(File file, String s) {
+                return s.startsWith("before") && JetPsiCheckerMultifileTest.isMainFile(s);
+            }
+        };
+
+        JetTestCaseBuilder.NamedTestFactory multiFileNamedTestFactory = new JetTestCaseBuilder.NamedTestFactory() {
+            @NotNull
+            @Override
+            public Test createTest(@NotNull String dataPath, @NotNull String name, @NotNull File file) {
+                return new JetPsiCheckerMultifileTest(dataPath, name);
+            }
+        };
+
+        File dir = new File(getTestDataPathBase());
+        List<String> subDirs = Arrays.asList(dir.list());
+        Collections.sort(subDirs);
+        for (String subDirName : subDirs) {
+            final TestSuite multiFileTestSuite = JetTestCaseBuilder.suiteForDirectory(getTestDataPathBase(), subDirName, true, multifileFileNameFilter, multiFileNamedTestFactory);
+            if (multiFileTestSuite.countTestCases() != 0) {
+                suite.addTest(multiFileTestSuite);
+            }
+        }
+        return suite;
+    }
+
+    public static String getTestDataPathBase() {
+        return JetTestCaseBuilder.getHomeDirectory() + "/idea/testData/quickfix/";
+    }
+}

idea/tests/org/jetbrains/jet/plugin/quickfix/JetQuickFixTest.java

@@ -43,26 +43,30 @@ public class JetQuickFixTest extends LightQuickFixTestCase {
     public static Test suite() {
         //setFilter(); //to launch only part of tests
         TestSuite suite = new TestSuite();
-        FilenameFilter fileNameFilter = new FilenameFilter() {
+
+        FilenameFilter singleFileNameFilter = new FilenameFilter() {
             @Override
             public boolean accept(File file, String s) {
-                if (s.startsWith("before")) return true;
-                return false;
+                return s.startsWith("before") && !JetPsiCheckerMultifileTest.isMultiFileName(s);
             }
         };
-        JetTestCaseBuilder.NamedTestFactory namedTestFactory = new JetTestCaseBuilder.NamedTestFactory() {
+
+        JetTestCaseBuilder.NamedTestFactory singleFileNamedTestFactory = new JetTestCaseBuilder.NamedTestFactory() {
             @NotNull
             @Override
             public Test createTest(@NotNull String dataPath, @NotNull String name, @NotNull File file) {
                 return new JetQuickFixTest(dataPath, name);
             }
         };
+
         File dir = new File(getTestDataPathBase());
         List<String> subDirs = Arrays.asList(quickFixTestsFilter != null ? dir.list(quickFixTestsFilter) : dir.list());
         Collections.sort(subDirs);
         for (String subDirName : subDirs) {
-            suite.addTest(JetTestCaseBuilder.suiteForDirectory(getTestDataPathBase(), subDirName, true, fileNameFilter, namedTestFactory));
-
+            final TestSuite singleFileTestSuite = JetTestCaseBuilder.suiteForDirectory(getTestDataPathBase(), subDirName, true, singleFileNameFilter, singleFileNamedTestFactory);
+            if (singleFileTestSuite.countTestCases() != 0) {
+                suite.addTest(singleFileTestSuite);
+            }
         }
         return suite;
     }

stdlib.ipr

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AntConfiguration">
+    <defaultAnt bundledAnt="true" />
+  </component>
+  <component name="CompilerConfiguration">
+    <option name="DEFAULT_COMPILER" value="Javac" />
+    <resourceExtensions />
+    <wildcardResourcePatterns>
+      <entry name="?*.properties" />
+      <entry name="?*.xml" />
+      <entry name="?*.gif" />
+      <entry name="?*.png" />
+      <entry name="?*.jpeg" />
+      <entry name="?*.jpg" />
+      <entry name="?*.html" />
+      <entry name="?*.dtd" />
+      <entry name="?*.tld" />
+      <entry name="?*.ftl" />
+    </wildcardResourcePatterns>
+    <annotationProcessing enabled="false" useClasspath="true" />
+  </component>
+  <component name="CopyrightManager" default="">
+    <module2copyright />
+  </component>
+  <component name="DependencyValidationManager">
+    <option name="SKIP_IMPORT_STATEMENTS" value="false" />
+  </component>
+  <component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false" />
+  <component name="IdProvider" IDEtalkID="89F322227D19AFBE9B68C2A85DBC4124" />
+  <component name="InspectionProjectProfileManager">
+    <profiles>
+      <profile version="1.0" is_locked="false">
+        <option name="myName" value="Project Default" />
+        <option name="myLocal" value="false" />
+        <inspection_tool class="EjbErrorInspection" level="ERROR" enabled="false" />
+        <inspection_tool class="EjbWarningInspection" level="WARNING" enabled="false" />
+        <inspection_tool class="JpaModelErrorInspection" level="ERROR" enabled="false" />
+      </profile>
+    </profiles>
+    <option name="PROJECT_PROFILE" value="Project Default" />
+    <option name="USE_PROJECT_PROFILE" value="true" />
+    <version value="1.0" />
+  </component>
+  <component name="JavadocGenerationManager">
+    <option name="OUTPUT_DIRECTORY" />
+    <option name="OPTION_SCOPE" value="protected" />
+    <option name="OPTION_HIERARCHY" value="true" />
+    <option name="OPTION_NAVIGATOR" value="true" />
+    <option name="OPTION_INDEX" value="true" />
+    <option name="OPTION_SEPARATE_INDEX" value="true" />
+    <option name="OPTION_DOCUMENT_TAG_USE" value="false" />
+    <option name="OPTION_DOCUMENT_TAG_AUTHOR" value="false" />
+    <option name="OPTION_DOCUMENT_TAG_VERSION" value="false" />
+    <option name="OPTION_DOCUMENT_TAG_DEPRECATED" value="true" />
+    <option name="OPTION_DEPRECATED_LIST" value="true" />
+    <option name="OTHER_OPTIONS" value="" />
+    <option name="HEAP_SIZE" />
+    <option name="LOCALE" />
+    <option name="OPEN_IN_BROWSER" value="true" />
+  </component>
+  <component name="ModuleEditorState">
+    <option name="LAST_EDITED_MODULE_NAME" />
+    <option name="LAST_EDITED_TAB_NAME" />
+  </component>
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/stdlib/stdlib.iml" filepath="$PROJECT_DIR$/stdlib/stdlib.iml" />
+      <module fileurl="file://$PROJECT_DIR$/testlib/testlib.iml" filepath="$PROJECT_DIR$/testlib/testlib.iml" />
+    </modules>
+  </component>
+  <component name="ProjectResources">
+    <default-html-doctype>http://www.w3.org/1999/xhtml</default-html-doctype>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_5" assert-keyword="true" jdk-15="true" project-jdk-name="1.6" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
+

stdlib/ktSrc/Filter.kt

@@ -0,0 +1,66 @@
+namespace std
+
+import java.util.*
+import java.lang.Iterable
+
+/*
+Filters given iterator
+*/
+inline fun <T> java.util.Iterator<T>.filter(f: fun(T): Boolean) : java.util.Iterator<T> = FilterIterator<T>(this, f)
+
+/*
+Adds filtered elements in to given container
+*/
+/*
+inline fun <T,U : Collection<in T>> java.lang.Iterable<T>.filterTo(var container: U, filter: fun(T): Boolean) : U {
+   for(element in this) {
+      if(filter(element))
+        container.add(element)
+   }
+   return container
+}
+*/
+
+/*
+Create iterator filtering given java.lang.Iterable
+*/
+/*
+inline fun <T> java.lang.Iterable<T>.filter(f: fun(T): Boolean) : java.util.Iterator<T> = (iterator() as java.util.Iterator<T>).filter(f)
+*/
+
+private class FilterIterator<T>(val original: java.util.Iterator<T>, val filter: fun(T): Boolean) : java.util.Iterator<T> {
+    var state = 0
+    var nextElement: T? = null
+
+    override fun hasNext(): Boolean =
+        when(state) {
+                1 => true  // checked and next present
+                2 => false // checked and next not present
+                else => {
+                    while(original.hasNext()) {
+                        val candidate = original.next()
+                        if((filter)(candidate)) {
+                            nextElement = candidate
+                            state = 1
+                            true
+                        }
+                    }
+                    state = 2
+                    false
+                }
+        }
+
+    override fun next(): T =
+        if(state != 1)
+            throw java.util.NoSuchElementException()
+        else {
+            val res = nextElement as T
+            nextElement = null
+            state = 0
+            res
+        }
+
+    override fun remove() {
+        throw java.lang.UnsupportedOperationException()
+    }
+}

stdlib/ktSrc/Iterators.kt

@@ -0,0 +1,38 @@
+namespace std.util
+
+import java.util.*
+import java.util.Iterator
+
+/*
+Add iterated elements to given container
+*/
+fun <T,U: Collection<in T>> java.util.Iterator<T>.to(container: U) : U {
+    while(hasNext())
+        container.add(next())
+    return container
+}
+
+/*
+Add iterated elements to java.util.ArrayList
+*/
+inline fun <T> java.util.Iterator<T>.toArrayList() = to(ArrayList<T>())
+
+/*
+Add iterated elements to java.util.LinkedList
+*/
+inline fun <T> java.util.Iterator<T>.toLinkedList() = to(LinkedList<T>())
+
+/*
+Add iterated elements to java.util.HashSet
+*/
+inline fun <T> java.util.Iterator<T>.toHashSet() = to(HashSet<T>())
+
+/*
+Add iterated elements to java.util.LinkedHashSet
+*/
+inline fun <T> java.util.Iterator<T>.toLinkedHashSet() = to(LinkedHashSet<T>())
+
+/*
+Add iterated elements to java.util.TreeSet
+*/
+inline fun <T> java.util.Iterator<T>.toTreeSet() = to(TreeSet<T>())

stdlib/ktSrc/JavaUtil.kt

@@ -2,8 +2,212 @@ namespace std.util
 
 import java.util.*
 
+/** Returns the size of the collection */
 val Collection<*>.size : Int
     get() = size()
 
+/** Returns true if this collection is empty */
 val Collection<*>.empty : Boolean
     get() = isEmpty()
+
+/** Returns a new ArrayList with a variable number of initial elements */
+inline fun arrayList<T>(vararg values: T) : ArrayList<T> {
+  val answer = ArrayList<T>()
+  for (v in values)
+    answer.add(v)
+  return answer;
+}
+
+/** Returns a new LinkedList with a variable number of initial elements */
+inline fun linkedList<T>(vararg values: T) : LinkedList<T> {
+  val answer = LinkedList<T>()
+  for (v in values)
+    answer.add(v)
+  return answer;
+}
+
+/** Returns a new HashSet with a variable number of initial elements */
+inline fun hashSet<T>(vararg values: T) : HashSet<T> {
+  val answer = HashSet<T>()
+  for (v in values)
+    answer.add(v)
+  return answer;
+}
+
+/** Returns true if any elements in the collection match the given predicate */
+inline fun <T> java.lang.Iterable<T>.any(predicate: fun(T): Boolean) : Boolean {
+  for (elem in this) {
+    if (predicate(elem)) {
+      return true
+    }
+  }
+  return false
+}
+
+/** Returns true if all elements in the collection match the given predicate */
+inline fun <T> java.lang.Iterable<T>.all(predicate: fun(T): Boolean) : Boolean {
+  for (elem in this) {
+    if (!predicate(elem)) {
+      return false
+    }
+  }
+  return true
+}
+
+/** Returns the first item in the collection which matches the given predicate or null if none matched */
+inline fun <T> java.lang.Iterable<T>.find(predicate: fun(T): Boolean) : T? {
+  for (elem in this) {
+    if (predicate(elem))
+      return elem
+  }
+  return null
+}
+
+/** Returns a new collection containing all elements in this collection which match the given predicate */
+inline fun <T> java.lang.Iterable<T>.filter(result: Collection<T> = ArrayList<T>(), predicate: fun(T): Boolean) : Collection<T> {
+  for (elem in this) {
+    if (predicate(elem))
+      result.add(elem)
+  }
+  return result
+}
+
+/**
+  * Returns the result of transforming each item in the collection to a one or more values which
+  * are concatenated together into a single collection
+  */
+inline fun <T, out R> java.lang.Iterable<T>.flatMap(result: Collection<R> = ArrayList<R>(), transform: fun(T): Collection<R>) : Collection<R> {
+  for (elem in this) {
+    val coll = transform(elem)
+    if (coll != null) {
+      for (r in coll) {
+        result.add(r)
+      }
+    }
+  }
+  return result
+}
+
+/** Performs the given operation on each element inside the collection */
+inline fun <T> java.lang.Iterable<T>.foreach(operation: fun(element: T) : Unit) {
+  for (elem in this)
+    operation(elem)
+}
+
+/** Creates a String from all the elements in the collection, using the seperator between them and using the given prefix and postfix if supplied */
+inline fun <T> java.lang.Iterable<T>.join(separator: String, prefix: String = "", postfix: String = "") : String {
+  val buffer = StringBuilder(prefix)
+  var first = true
+  for (elem in this) {
+    if (first)
+      first = false
+    else
+      buffer.append(separator)
+    buffer.append(elem)
+  }
+  buffer.append(postfix)
+  return buffer.toString().sure()
+}
+
+/** Returns a new collection containing the results of applying the given function to each element in this collection */
+inline fun <T, R> java.lang.Iterable<T>.map(result: Collection<R> = ArrayList<R>(), transform : fun(T) : R) : Collection<R> {
+  for (item in this)
+    result.add(transform(item))
+  return result
+}
+
+/** Returns a new collection containing the results of applying the given function to each element in this collection */
+inline fun <T, R> java.util.Collection<T>.map(result: Collection<R> = ArrayList<R>(this.size), transform : fun(T) : R) : Collection<R> {
+  for (item in this)
+    result.add(transform(item))
+  return result
+}
+
+inline fun <in T: java.lang.Comparable<T>> java.lang.Iterable<T>.toSortedList() : List<T> {
+  val answer = this.toList()
+  answer.sort()
+  return answer
+}
+
+inline fun <in T: java.lang.Comparable<T>> java.lang.Iterable<T>.toSortedList(comparator: java.util.Comparator<T>) : List<T> {
+  val answer = this.toList()
+  answer.sort(comparator)
+  return answer
+}
+
+/**
+  TODO figure out necessary variance/generics ninja stuff... :)
+inline fun <in T> java.lang.Iterable<T>.toSortedList(transform: fun(T) : java.lang.Comparable<*>) : List<T> {
+  val answer = this.toList()
+  answer.sort(transform)
+  return answer
+}
+*/
+
+inline fun <T> java.lang.Iterable<T>.toList() : List<T> {
+  if (this is List<T>)
+    return this
+  else {
+    val list = ArrayList<T>()
+    for (elem in this)
+      list.add(elem)
+    return list
+  }
+}
+
+inline fun <T> java.util.Collection<T>.toArray() : Array<T> {
+  if (this is Array<T>)
+    return this
+  else {
+    val answer = Array<T>(this.size)
+    var idx = 0
+    for (elem in this)
+      answer[idx++] = elem
+    return answer as Array<T>
+  }
+}
+
+
+// List APIs
+
+inline fun <in T: java.lang.Comparable<T>> List<T>.sort() : Unit {
+  Collections.sort(this)
+}
+
+inline fun <in T: java.lang.Comparable<T>> List<T>.sort(comparator: java.util.Comparator<T>) : Unit {
+  Collections.sort(this, comparator)
+}
+
+/**
+  TODO figure out necessary variance/generics ninja stuff... :)
+inline fun <in T> List<T>.sort(transform: fun(T) : java.lang.Comparable<*>) : List<T> {
+  val comparator = java.util.Comparator<T>() {
+    fun compare(o1: T, o2: T): Int {
+      val v1 = transform(o1)
+      val v2 = transform(o2)
+      if (v1 == v2) {
+        return 0
+      } else {
+        return v1.compareTo(v2)
+      }
+    }
+  }
+  answer.sort(comparator)
+}
+*/
+
+val <T> List<T>.head : T?
+    get() = this.get(0)
+
+val <T> List<T>.first : T?
+    get() = this.head
+
+val <T> List<T>.tail : T?
+    get() {
+      val s = this.size
+      return if (s > 0) this.get(s - 1) else null
+
+    }
+val <T> List<T>.last : T?
+  get() = this.tail
+

stdlib/ktSrc/System.kt

@@ -0,0 +1,19 @@
+namespace std.util
+
+/**
+Executes current block and returns elapsed time in milliseconds
+*/
+fun measureTimeMillis(block: fun() : Unit) : Long {
+    val start = System.currentTimeMillis()
+    block()
+    return System.currentTimeMillis() - start
+}
+
+/**
+Executes current block and returns elapsed time in milliseconds
+*/
+fun measureTimeNano(block: fun() : Unit) : Long {
+    val start = System.nanoTime()
+    block()
+    return System.nanoTime() - start
+}

stdlib/ktSrc/Thread.kt

@@ -0,0 +1,41 @@
+namespace std.concurrent
+
+import java.lang.*
+
+inline var Thread.name : String
+    get() = getName().sure()
+    set(name: String) { setName(name) }
+
+inline var Thread.daemon : Boolean
+    get() = isDaemon()
+    set(on: Boolean) { setDaemon(on) }
+
+inline val Thread.alive : Boolean
+    get() = isAlive()
+
+inline var Thread.priority : Int
+    get() = getPriority()
+    set(prio: Int) { setPriority(prio) }
+
+inline var Thread.contextClassLoader : ClassLoader?
+    get() = getContextClassLoader()
+    set(loader: ClassLoader?) { setContextClassLoader(loader) }
+
+fun thread(start: Boolean = true, daemon: Boolean = false, contextClassLoader: ClassLoader? = null, name: String? = null, priority: Int = -1, block: fun():Unit) : Thread {
+    val thread = object: Thread() {
+        override fun run() {
+            block()
+        }
+    }
+    if(daemon)
+        thread.setDaemon(true)
+    if(priority > 0)
+        thread.setPriority(priority)
+    if(name != null)
+        thread.setName(name)
+    if(contextClassLoader != null)
+        thread.setContextClassLoader(contextClassLoader)
+    if(start)
+        thread.start()
+    return thread
+}

stdlib/src/jet/BooleanIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface BooleanIterable extends Iterable<Boolean> {
+    @Override
+    BooleanIterator iterator();
+}

stdlib/src/jet/ByteIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface ByteIterable extends Iterable<Byte> {
+    @Override
+    ByteIterator iterator();
+}

stdlib/src/jet/CharIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface CharIterable extends Iterable<Character> {
+    @Override
+    CharIterator iterator();
+}

stdlib/src/jet/DoubleIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface DoubleIterable extends Iterable<Double> {
+    @Override
+    DoubleIterator iterator();
+}

stdlib/src/jet/FloatIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface FloatIterable extends Iterable<Float> {
+    @Override
+    FloatIterator iterator();
+}

stdlib/src/jet/IntIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface IntIterable extends Iterable<Integer> {
+    @Override
+    IntIterator iterator();
+}

stdlib/src/jet/IntRange.java

@@ -2,7 +2,7 @@ package jet;
 
 import jet.typeinfo.TypeInfo;
 
-public final class IntRange implements Range<Integer>, Iterable<Integer>, JetObject {
+public final class IntRange implements Range<Integer>, IntIterable, JetObject {
     private final static TypeInfo typeInfo = TypeInfo.getTypeInfo(IntRange.class, false);
 
     private final int start;
@@ -39,7 +39,7 @@ public final class IntRange implements Range<Integer>, Iterable<Integer>, JetObj
     }
 
     @Override
-    public Iterator<Integer> iterator() {
+    public IntIterator iterator() {
         return new MyIterator(start, count);
     }
 
@@ -66,7 +66,7 @@ public final class IntRange implements Range<Integer>, Iterable<Integer>, JetObj
         }
     }
 
-    private static class MyIterator implements Iterator<Integer> {
+    private static class MyIterator extends IntIterator {
         private final static TypeInfo typeInfo = TypeInfo.getTypeInfo(MyIterator.class, false);
 
         private int cur;
@@ -86,7 +86,7 @@ public final class IntRange implements Range<Integer>, Iterable<Integer>, JetObj
         }
 
         @Override
-        public Integer next() {
+        public int nextInt() {
             count--;
             if(reversed) {
                 return cur--;

stdlib/src/jet/LongIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface LongIterable extends Iterable<Long> {
+    @Override
+    LongIterator iterator();
+}

stdlib/src/jet/LongRange.java

@@ -2,7 +2,7 @@ package jet;
 
 import jet.typeinfo.TypeInfo;
 
-public final class LongRange implements Range<Long>, Iterable<Long>, JetObject {
+public final class LongRange implements Range<Long>, LongIterable, JetObject {
     private final static TypeInfo typeInfo = TypeInfo.getTypeInfo(IntRange.class, false);
 
     private final long start;
@@ -39,7 +39,7 @@ public final class LongRange implements Range<Long>, Iterable<Long>, JetObject {
     }
 
     @Override
-    public Iterator<Long> iterator() {
+    public LongIterator iterator() {
         return new MyIterator(start, count);
     }
 
@@ -66,7 +66,7 @@ public final class LongRange implements Range<Long>, Iterable<Long>, JetObject {
         }
     }
 
-    private static class MyIterator implements Iterator<Long> {
+    private static class MyIterator extends LongIterator {
         private final static TypeInfo typeInfo = TypeInfo.getTypeInfo(MyIterator.class, false);
 
         private long cur;
@@ -86,7 +86,7 @@ public final class LongRange implements Range<Long>, Iterable<Long>, JetObject {
         }
 
         @Override
-        public Long next() {
+        public long nextLong() {
             count--;
             if(reversed) {
                 return cur--;

stdlib/src/jet/ShortIterable.java

@@ -0,0 +1,9 @@
+package jet;
+
+/**
+ * @author alex.tkachman
+ */
+public interface ShortIterable extends Iterable<Short> {
+    @Override
+    ShortIterator iterator();
+}

stdlib/src/jet/runtime/Intrinsics.java

@@ -1,5 +1,7 @@
 package jet.runtime;
 
+import jet.Function0;
+
 import java.util.ArrayList;
 
 /**
@@ -29,6 +31,12 @@ public class Intrinsics {
         return (thisVal == anotherVal ? 0 : (anotherVal ? 1 : -1));
     }
 
+    public static <R> R stupidSync(Object lock, Function0<R> block) {
+        synchronized (lock) {
+            return block.invoke();
+        }
+    }
+
     private static Throwable sanitizeStackTrace(Throwable throwable) {
         StackTraceElement[] stackTrace = throwable.getStackTrace();
         ArrayList<StackTraceElement> list = new ArrayList<StackTraceElement>();

stdlib/src/jet/typeinfo/JetValueParameter.java

@@ -35,6 +35,11 @@ public @interface JetValueParameter {
      */
     boolean hasDefaultValue () default false;
 
+    /**
+     * @return if this parameter is receiver
+     */
+    boolean receiver() default false;
+
     /**
      * @return type unless Java type is correct Kotlin type.
      */

testlib/src/Test.kt

@@ -0,0 +1,69 @@
+namespace std.test
+
+import std.io.*
+import std.util.*
+import java.util.*
+
+import org.junit.*
+import org.junit.runner.*
+import org.junit.runner.notification.*
+import junit.framework.*
+
+fun assert(message: String, block: fun() : Boolean) {
+  val actual = block()
+  Assert.assertTrue(message, actual)
+}
+
+fun assert(block: fun() : Boolean) = assert(block.toString(), block)
+
+fun assertNot(message: String, block: fun() : Boolean) {
+  assert(message){ !block() }
+}
+
+fun assertNot(block: fun() : Boolean) = assertNot(block.toString(), block)
+
+fun assert(actual: Boolean, message: String) {
+  println("Answer: ${actual} for ${message}")
+}
+
+fun assertEquals(expected: Any, actual: Any?, message: String = "") {
+  Assert.assertEquals(message, expected, actual)
+}
+
+fun assertNull(actual: Any?, message: String = "") {
+  Assert.assertNull(message, actual)
+}
+
+fun fails(block: fun() : Any) {
+  try {
+    block()
+    Assert.fail("Expected an exception to be thrown")
+  } catch (e: Exception) {
+    // OK
+  }
+}
+
+fun todo(block: fun(): Any) {
+  println("TODO at " + Exception().getStackTrace()?.get(1))
+}
+
+/*
+TODO we could maybe create our own test runner for JUnit
+to avoid a runtime dependency on JUnit for running tests?
+
+class KotlinTestRunner() : Runner() {
+
+  override fun getDescription(): Description? {
+    return null
+  }
+
+  override fun run(notifier: RunNotifier?) {
+    println("About to run a test case on ${this}")
+  }
+}
+*/
+
+// TODO no annotations yet?
+//@RunWith(KotlinTestRunner)
+abstract class TestSupport() : TestCase() {
+}

testlib/test/CollectionApiCheck.kt

@@ -0,0 +1,35 @@
+namespace test.apicheck
+
+import std.util.*
+import java.util.*
+
+trait Traversable<T> {
+
+  /** Returns true if any elements in the collection match the given predicate */
+  fun any(predicate: fun(T): Boolean) : Boolean
+
+  /** Returns true if all elements in the collection match the given predicate */
+  fun all(predicate: fun(T): Boolean) : Boolean
+
+  /** Returns the first item in the collection which matches the given predicate or null if none matched */
+  fun find(predicate: fun(T): Boolean) : T?
+
+  /** Returns a new collection containing all elements in this collection which match the given predicate */
+  // TODO using: Collection<T> for the return type - I wonder if this exact type could be
+  // deduced somewhat from the This.Type; e.g. returning Set on a Set, Array on Array etc
+  fun filter(predicate: fun(T): Boolean) : Collection<T>
+
+  /** Performs the given operation on each element inside the collection */
+  fun foreach(operation: fun(element: T) : Unit)
+
+  /** Returns a new collection containing the results of applying the given function to each element in this collection */
+  fun <T, R> java.lang.Iterable<T>.map(transform : fun(T) : R) : Collection<R>
+}
+
+/**
+TODO try use delegation here to make sure we implement all the methods in the Traversable API
+
+class ListImpl<T>(coll: ArrayList<out T>) : Traversable<T> by coll {
+}
+
+*/

testlib/test/CollectionTest.kt

@@ -0,0 +1,153 @@
+namespace test.collections
+
+// TODO can we avoid importing all this stuff by default I wonder?
+// e.g. making println and the collection builder methods public by default?
+import std.*
+import std.io.*
+import std.util.*
+import std.test.*
+import java.util.*
+
+class CollectionTest() : TestSupport() {
+  val data = arrayList("foo", "bar")
+
+  fun testAny() {
+    assert {
+      data.any{it.startsWith("f")}
+    }
+    assertNot {
+      data.any{it.startsWith("x")}
+    }
+  }
+
+  fun testAll() {
+    assert {
+      data.all{it.length == 3}
+    }
+    assertNot {
+      data.all{s => s.startsWith("b")}
+    }
+  }
+
+  fun testFilter() {
+    val foo = data.filter{it.startsWith("f")}
+
+    assert {
+      foo.all{it.startsWith("f")}
+    }
+    assertEquals(1, foo.size)
+    assertEquals(arrayList("foo"), foo)
+  }
+
+  fun testFilterIntoLinkedList() {
+    // TODO would be nice to avoid the <String>
+    val foo = data.filter(linkedList<String>()){it.startsWith("f")}
+
+    assert {
+      foo.all{it.startsWith("f")}
+    }
+    assertEquals(1, foo.size)
+    assertEquals(linkedList("foo"), foo)
+
+    assert {
+      foo is LinkedList<String>
+    }
+  }
+
+  fun testFilterIntoSortedSet() {
+    // TODO would be nice to avoid the <String>
+    val foo = data.filter(hashSet<String>()){it.startsWith("f")}
+
+    assert {
+      foo.all{it.startsWith("f")}
+    }
+    assertEquals(1, foo.size)
+    assertEquals(hashSet("foo"), foo)
+
+    assert {
+      foo is HashSet<String>
+    }
+  }
+
+  fun testFind() {
+    val x = data.find{it.startsWith("x")}
+    assertNull(x)
+    fails {
+      x.sure()
+    }
+
+    val f = data.find{it.startsWith("f")}
+    f.sure()
+    assertEquals("foo", f)
+  }
+
+  fun testFlatMap() {
+    /**
+      TODO compiler bug
+      we should be able to remove the explicit type on the function
+      http://youtrack.jetbrains.net/issue/KT-849
+    */
+    // TODO there should be a neater way to do this :)
+
+    val characters = arrayList('f', 'o', 'o', 'b', 'a', 'r')
+    /*
+    val characters = data.flatMap<String,Character>{
+      Arrays.asList((it as java.lang.String).toCharArray()) as Collection<Character>
+    }
+    */
+    todo {
+      println("Got list of characters ${characters}")
+      val text = characters.join("")
+      assertEquals("foobar", text)
+    }
+  }
+
+  fun testForeach() {
+    var count = 0
+    val x = data.foreach{ count += it.length }
+    assertEquals(6, count)
+  }
+
+  fun testJoin() {
+    val text = data.join("-", "<", ">")
+    assertEquals("<foo-bar>", text)
+  }
+
+  fun testMap() {
+    /**
+      TODO compiler bug
+      we should be able to remove the explicit type on the function
+      http://youtrack.jetbrains.net/issue/KT-849
+    */
+    val lengths = data.map<String,Int>{s => s.length}
+    assert {
+      lengths.all{it == 3}
+    }
+    assertEquals(2, lengths.size)
+    assertEquals(arrayList(3, 3), lengths)
+  }
+
+  fun testSort() {
+    val coll: List<String> = arrayList("foo", "bar", "abc")
+
+    // TODO fixme
+    // Some sort of in/out variance thing - or an issue with Java interop?
+    //coll.sort()
+    todo {
+      assertEquals(3, coll.size)
+      assertEquals(arrayList("abc", "bar", "foo"), coll)
+
+    }
+  }
+
+  fun testToArray() {
+    val arr = data.toArray()
+    println("Got array ${arr}")
+    todo {
+      assert {
+        arr is Array<String>
+      }
+    }
+  }
+
+}

testlib/test/ListTest.kt

@@ -0,0 +1,30 @@
+namespace test.collections
+
+import std.test.*
+
+// TODO can we avoid importing all this stuff by default I wonder?
+// e.g. making println and the collection builder methods public by default?
+import std.*
+import std.io.*
+import std.util.*
+import java.util.*
+
+class ListTest() : TestSupport() {
+  val data = arrayList("foo", "bar")
+
+  fun testHeadAndTail() {
+    val h = data.head
+    assertEquals("foo", h)
+
+    val t = data.tail
+    assertEquals("bar", t)
+  }
+
+  fun testFirstAndLast() {
+    val h = data.first
+    assertEquals("foo", h)
+
+    val t = data.last
+    assertEquals("bar", t)
+  }
+}

testlib/test/SetTest.kt

@@ -0,0 +1,73 @@
+namespace test.collections
+
+import std.*
+import std.io.*
+import std.util.*
+import std.test.*
+import java.util.*
+
+class SetTest() : TestSupport() {
+  val data = hashSet("foo", "bar")
+
+  fun testAny() {
+    assert {
+      data.any{it.startsWith("f")}
+    }
+    assertNot {
+      data.any{it.startsWith("x")}
+    }
+  }
+
+  fun testAll() {
+    assert {
+      data.all{it.length == 3}
+    }
+    assertNot {
+      data.all{s => s.startsWith("b")}
+    }
+  }
+
+  fun testFilter() {
+    val foo = data.filter{it.startsWith("f")}
+
+    assert {
+      foo.all{it.startsWith("f")}
+    }
+    assertEquals(1, foo.size)
+    assertEquals(arrayList("foo"), foo)
+
+    // TODO ideally foo would now be a set
+    todo {
+      assert("Filter on a Set should return a Set") {
+        foo is Set<String>
+      }
+    }
+  }
+
+  fun testFind() {
+    val x = data.find{it.startsWith("x")}
+    assertNull(x)
+    fails {
+      x.sure()
+    }
+
+    val f = data.find{it.startsWith("f")}
+    f.sure()
+    assertEquals("foo", f)
+  }
+
+  fun testMap() {
+    /**
+      TODO compiler bug
+      we should be able to remove the explicit type on the function
+      http://youtrack.jetbrains.net/issue/KT-849
+    */
+    val lengths = data.map<String,Int>{s => s.length}
+    assert {
+      lengths.all{it == 3}
+    }
+    assertEquals(2, lengths.size)
+    assertEquals(arrayList(3, 3), lengths)
+  }
+
+}

testlib/testlib.iml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library" exported="">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/lib/junit-4.9.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module" module-name="stdlib" exported="" />
+  </component>
+</module>
+