making code greener and properly formatted

.idea/runConfigurations/All_Jvm_Backend_Tests.xml

@@ -23,7 +23,13 @@
     </option>
     <envs />
     <patterns />
+    <RunnerSettings RunnerId="Debug">
+      <option name="DEBUG_PORT" value="" />
+      <option name="TRANSPORT" value="0" />
+      <option name="LOCAL" value="true" />
+    </RunnerSettings>
     <RunnerSettings RunnerId="Run" />
+    <ConfigurationWrapper RunnerId="Debug" />
     <ConfigurationWrapper RunnerId="Run" />
     <method />
   </configuration>

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

@@ -24,7 +24,7 @@ import java.util.Collections;
 
 /**
  * @author alex.tkachman
-*/
+ */
 public class AccessorForFunctionDescriptor extends SimpleFunctionDescriptorImpl {
     public AccessorForFunctionDescriptor(DeclarationDescriptor descriptor, DeclarationDescriptor containingDeclaration, int index) {
         super(containingDeclaration, Collections.<AnnotationDescriptor>emptyList(),

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

@@ -25,7 +25,7 @@ import java.util.Collections;
 
 /**
  * @author alex.tkachman
-*/
+ */
 public class AccessorForPropertyDescriptor extends PropertyDescriptor {
     public AccessorForPropertyDescriptor(PropertyDescriptor pd, DeclarationDescriptor containingDeclaration, int index) {
         super(containingDeclaration, Collections.<AnnotationDescriptor>emptyList(), Modality.FINAL, Visibilities.PUBLIC,

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

@@ -17,6 +17,10 @@
 package org.jetbrains.jet.codegen;
 
 import com.intellij.psi.PsiElement;
+import org.jetbrains.asm4.AnnotationVisitor;
+import org.jetbrains.asm4.ClassVisitor;
+import org.jetbrains.asm4.FieldVisitor;
+import org.jetbrains.asm4.MethodVisitor;
 import org.jetbrains.jet.codegen.intrinsics.IntrinsicMethods;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.descriptors.annotations.Annotated;
@@ -24,11 +28,13 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.BindingContextUtils;
-import org.jetbrains.jet.lang.resolve.calls.*;
+import org.jetbrains.jet.lang.resolve.calls.DefaultValueArgument;
+import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
+import org.jetbrains.jet.lang.resolve.calls.ResolvedValueArgument;
+import org.jetbrains.jet.lang.resolve.calls.VarargValueArgument;
 import org.jetbrains.jet.lang.resolve.constants.CompileTimeConstant;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.JetType;
-import org.jetbrains.asm4.*;
 
 import java.lang.annotation.RetentionPolicy;
 import java.util.List;
@@ -47,28 +53,32 @@ public abstract class AnnotationCodegen {
     }
 
     public void genAnnotations(Annotated annotated) {
-        if (annotated == null)
+        if (annotated == null) {
             return;
-        
-        if (!(annotated instanceof DeclarationDescriptor))
+        }
+
+        if (!(annotated instanceof DeclarationDescriptor)) {
             return;
+        }
 
         PsiElement psiElement = BindingContextUtils.descriptorToDeclaration(bindingContext, (DeclarationDescriptor) annotated);
 
         JetModifierList modifierList = null;
         if (annotated instanceof ConstructorDescriptor && psiElement instanceof JetClass) {
-            modifierList = ((JetClass)psiElement).getPrimaryConstructorModifierList();
+            modifierList = ((JetClass) psiElement).getPrimaryConstructorModifierList();
         }
         else if (psiElement instanceof JetModifierListOwner) {
             modifierList = ((JetModifierListOwner) psiElement).getModifierList();
         }
 
-        if (modifierList == null)
+        if (modifierList == null) {
             return;
+        }
 
         List<JetAnnotationEntry> annotationEntries = modifierList.getAnnotationEntries();
         for (JetAnnotationEntry annotationEntry : annotationEntries) {
-            ResolvedCall<? extends CallableDescriptor> resolvedCall = bindingContext.get(BindingContext.RESOLVED_CALL, annotationEntry.getCalleeExpression());
+            ResolvedCall<? extends CallableDescriptor> resolvedCall =
+                    bindingContext.get(BindingContext.RESOLVED_CALL, annotationEntry.getCalleeExpression());
             assert resolvedCall != null;
 
             AnnotationDescriptor annotationDescriptor = bindingContext.get(BindingContext.ANNOTATION, annotationEntry);
@@ -79,8 +89,10 @@ public abstract class AnnotationCodegen {
         }
     }
 
-    private void genAnnotation(ResolvedCall<? extends CallableDescriptor> resolvedCall,
-                               JetType type) {
+    private void genAnnotation(
+            ResolvedCall<? extends CallableDescriptor> resolvedCall,
+            JetType type
+    ) {
         ClassifierDescriptor classifierDescriptor = type.getConstructor().getDeclarationDescriptor();
         RetentionPolicy rp = getRetentionPolicy(classifierDescriptor, typeMapper);
         if (rp == RetentionPolicy.SOURCE) {
@@ -117,7 +129,7 @@ public abstract class AnnotationCodegen {
             visitor.visitEnd();
         }
         else {
-            assert  valueArguments.size() == 1 : "Number of arguments on " + keyName + " = " + valueArguments.size(); // todo
+            assert valueArguments.size() == 1 : "Number of arguments on " + keyName + " = " + valueArguments.size(); // todo
             JetExpression expression = valueArguments.get(0).getArgumentExpression();
             genAnnotationExpressionValue(annotationVisitor, keyName, expression);
         }
@@ -125,7 +137,7 @@ public abstract class AnnotationCodegen {
 
     private void genAnnotationExpressionValue(AnnotationVisitor annotationVisitor, String keyName, JetExpression expression) {
         CompileTimeConstant<?> compileTimeConstant =
-            bindingContext.get(BindingContext.COMPILE_TIME_VALUE, expression);
+                bindingContext.get(BindingContext.COMPILE_TIME_VALUE, expression);
 
         if (compileTimeConstant != null) {
             Object value = compileTimeConstant.getValue();
@@ -134,40 +146,42 @@ public abstract class AnnotationCodegen {
         }
 
         if (expression instanceof JetDotQualifiedExpression) {
-            JetDotQualifiedExpression qualifiedExpression = (JetDotQualifiedExpression)expression;
+            JetDotQualifiedExpression qualifiedExpression = (JetDotQualifiedExpression) expression;
             ResolvedCall<? extends CallableDescriptor> call =
-                bindingContext.get(BindingContext.RESOLVED_CALL, qualifiedExpression.getSelectorExpression());
+                    bindingContext.get(BindingContext.RESOLVED_CALL, qualifiedExpression.getSelectorExpression());
             if (call != null) {
                 if (call.getResultingDescriptor() instanceof PropertyDescriptor) {
-                    PropertyDescriptor descriptor = (PropertyDescriptor)call.getResultingDescriptor();
-                    annotationVisitor.visitEnum(keyName, typeMapper.mapType(descriptor.getReturnType(), MapTypeMode.VALUE).getDescriptor(), descriptor.getName().getName());
+                    PropertyDescriptor descriptor = (PropertyDescriptor) call.getResultingDescriptor();
+                    annotationVisitor.visitEnum(keyName, typeMapper.mapType(descriptor.getReturnType(), MapTypeMode.VALUE).getDescriptor(),
+                                                descriptor.getName().getName());
                     return;
                 }
             }
         }
         else {
             if (expression instanceof JetCallExpression) {
-                JetCallExpression callExpression = (JetCallExpression)expression;
+                JetCallExpression callExpression = (JetCallExpression) expression;
                 ResolvedCall<? extends CallableDescriptor> call =
-                    bindingContext.get(BindingContext.RESOLVED_CALL, callExpression.getCalleeExpression());
+                        bindingContext.get(BindingContext.RESOLVED_CALL, callExpression.getCalleeExpression());
                 if (call != null) {
                     List<AnnotationDescriptor> annotations = call.getResultingDescriptor().getOriginal().getAnnotations();
                     String value = null;
                     if (annotations != null) {
                         for (AnnotationDescriptor annotation : annotations) {
-                            if("Intrinsic".equals(annotation.getType().getConstructor().getDeclarationDescriptor().getName().getName())) {
+                            if ("Intrinsic".equals(annotation.getType().getConstructor().getDeclarationDescriptor().getName().getName())) {
                                 value = (String) annotation.getValueArguments().get(0).getValue();
                                 break;
                             }
                         }
                     }
                     if (IntrinsicMethods.KOTLIN_JAVA_CLASS_FUNCTION.equals(value)) {
-                        annotationVisitor.visit(keyName, typeMapper.mapType(call.getResultingDescriptor().getReturnType().getArguments().get(0).getType(), MapTypeMode.VALUE));
+                        annotationVisitor.visit(keyName, typeMapper
+                                .mapType(call.getResultingDescriptor().getReturnType().getArguments().get(0).getType(), MapTypeMode.VALUE));
                         return;
                     }
                     else if (IntrinsicMethods.KOTLIN_ARRAYS_ARRAY.equals(value)) {
                         AnnotationVisitor visitor = annotationVisitor.visitArray(keyName);
-                        VarargValueArgument next = (VarargValueArgument)call.getValueArguments().values().iterator().next();
+                        VarargValueArgument next = (VarargValueArgument) call.getValueArguments().values().iterator().next();
                         for (ValueArgument argument : next.getArguments()) {
                             genAnnotationExpressionValue(visitor, null, argument.getArgumentExpression());
                         }
@@ -175,9 +189,9 @@ public abstract class AnnotationCodegen {
                         return;
                     }
                     else if (call.getResultingDescriptor() instanceof ConstructorDescriptor) {
-                        ConstructorDescriptor descriptor = (ConstructorDescriptor)call.getResultingDescriptor();
+                        ConstructorDescriptor descriptor = (ConstructorDescriptor) call.getResultingDescriptor();
                         AnnotationVisitor visitor = annotationVisitor.visitAnnotation(keyName, typeMapper
-                            .mapType(descriptor.getContainingDeclaration().getDefaultType(), MapTypeMode.VALUE).getDescriptor());
+                                .mapType(descriptor.getContainingDeclaration().getDefaultType(), MapTypeMode.VALUE).getDescriptor());
                         getAnnotation(call, visitor);
                         visitor.visitEnd();
                         return;

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

@@ -18,14 +18,12 @@ package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
-import org.jetbrains.jet.lang.descriptors.CallableDescriptor;
-import org.jetbrains.jet.lang.resolve.java.JvmAbi;
-import org.jetbrains.jet.lang.resolve.java.JvmClassName;
-import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.asm4.Opcodes;
 import org.jetbrains.asm4.Type;
 import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
+import org.jetbrains.jet.lang.resolve.java.JvmAbi;
+import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 
 import java.util.List;
 
@@ -49,9 +47,11 @@ public class CallableMethod implements Callable {
     @Nullable
     private final Type generateCalleeType;
 
-    public CallableMethod(@NotNull JvmClassName owner, @Nullable JvmClassName defaultImplOwner, @Nullable JvmClassName defaultImplParam,
+    public CallableMethod(
+            @NotNull JvmClassName owner, @Nullable JvmClassName defaultImplOwner, @Nullable JvmClassName defaultImplParam,
             JvmMethodSignature signature, int invokeOpcode,
-            @Nullable JvmClassName thisClass, @Nullable Type receiverParameterType, @Nullable Type generateCalleeType) {
+            @Nullable JvmClassName thisClass, @Nullable Type receiverParameterType, @Nullable Type generateCalleeType
+    ) {
         this.owner = owner;
         this.defaultImplOwner = defaultImplOwner;
         this.defaultImplParam = defaultImplParam;
@@ -93,7 +93,8 @@ public class CallableMethod implements Callable {
     }
 
     void invoke(InstructionAdapter v) {
-        v.visitMethodInsn(getInvokeOpcode(), owner.getInternalName(), getSignature().getAsmMethod().getName(), getSignature().getAsmMethod().getDescriptor());
+        v.visitMethodInsn(getInvokeOpcode(), owner.getInternalName(), getSignature().getAsmMethod().getName(),
+                          getSignature().getAsmMethod().getDescriptor());
     }
 
     @Nullable
@@ -108,14 +109,15 @@ public class CallableMethod implements Callable {
 
         v.iconst(mask);
         String desc = getSignature().getAsmMethod().getDescriptor().replace(")", "I)");
-        if("<init>".equals(getSignature().getAsmMethod().getName())) {
+        if ("<init>".equals(getSignature().getAsmMethod().getName())) {
             v.visitMethodInsn(Opcodes.INVOKESPECIAL, defaultImplOwner.getInternalName(), "<init>", desc);
         }
         else {
-            if (getInvokeOpcode() != Opcodes.INVOKESTATIC)
+            if (getInvokeOpcode() != Opcodes.INVOKESTATIC) {
                 desc = desc.replace("(", "(" + defaultImplParam.getDescriptor());
+            }
             v.visitMethodInsn(Opcodes.INVOKESTATIC, defaultImplOwner.getInternalName(),
-                    getSignature().getAsmMethod().getName() + JvmAbi.DEFAULT_PARAMS_IMPL_SUFFIX, desc);
+                              getSignature().getAsmMethod().getName() + JvmAbi.DEFAULT_PARAMS_IMPL_SUFFIX, desc);
         }
     }
 

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

@@ -90,17 +90,18 @@ public abstract class ClassBodyCodegen {
     }
 
     private void generatePrimaryConstructorProperties(PropertyCodegen propertyCodegen, JetClassOrObject origin) {
-        boolean isAnnotation = origin instanceof JetClass && ((JetClass)origin).isAnnotation();
-        OwnerKind kind = context.getContextKind();
+        boolean isAnnotation = origin instanceof JetClass && ((JetClass) origin).isAnnotation();
         for (JetParameter p : getPrimaryConstructorParameters()) {
             if (p.getValOrVarNode() != null) {
                 PropertyDescriptor propertyDescriptor = state.getBindingContext().get(BindingContext.PRIMARY_CONSTRUCTOR_PARAMETER, p);
                 if (propertyDescriptor != null) {
                     if (!isAnnotation) {
                         propertyCodegen.generateBackingField(p, propertyDescriptor);
-                        propertyCodegen.generateDefaultGetter(propertyDescriptor, JetTypeMapper.getAccessModifiers(propertyDescriptor,0), p);
+                        propertyCodegen
+                                .generateDefaultGetter(propertyDescriptor, JetTypeMapper.getAccessModifiers(propertyDescriptor, 0), p);
                         if (propertyDescriptor.isVar()) {
-                            propertyCodegen.generateDefaultSetter(propertyDescriptor, JetTypeMapper.getAccessModifiers(propertyDescriptor,0), p);
+                            propertyCodegen
+                                    .generateDefaultSetter(propertyDescriptor, JetTypeMapper.getAccessModifiers(propertyDescriptor, 0), p);
                         }
                     }
                     else {
@@ -121,7 +122,7 @@ public abstract class ClassBodyCodegen {
 
     private void generateStaticInitializer() {
         if (staticInitializerChunks.size() > 0) {
-            final MethodVisitor mv = v.newMethod(null, ACC_PUBLIC | Opcodes.ACC_STATIC,"<clinit>", "()V", null, null);
+            final MethodVisitor mv = v.newMethod(null, ACC_PUBLIC | Opcodes.ACC_STATIC, "<clinit>", "()V", null, null);
             if (state.getClassBuilderMode() == ClassBuilderMode.FULL) {
                 mv.visitCode();
 

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

@@ -21,11 +21,7 @@ package org.jetbrains.jet.codegen;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.asm4.AnnotationVisitor;
-import org.jetbrains.asm4.ClassVisitor;
-import org.jetbrains.asm4.FieldVisitor;
-import org.jetbrains.asm4.MethodVisitor;
-import org.jetbrains.asm4.Opcodes;
+import org.jetbrains.asm4.*;
 
 public abstract class ClassBuilder {
     public static class Concrete extends ClassBuilder {
@@ -40,27 +36,33 @@ public abstract class ClassBuilder {
             return v;
         }
     }
-    public FieldVisitor newField(@Nullable PsiElement origin,
-                                 int access,
-                                 String name,
-                                 String desc,
-                                 @Nullable String signature,
-                                 @Nullable Object value) {
+
+    public FieldVisitor newField(
+            @Nullable PsiElement origin,
+            int access,
+            String name,
+            String desc,
+            @Nullable String signature,
+            @Nullable Object value
+    ) {
         return getVisitor().visitField(access, name, desc, signature, value);
     }
 
-    public MethodVisitor newMethod(@Nullable PsiElement origin,
-                                   int access,
-                              String name,
-                              String desc,
-                              @Nullable String signature,
-                              @Nullable String[] exceptions) {
+    public MethodVisitor newMethod(
+            @Nullable PsiElement origin,
+            int access,
+            String name,
+            String desc,
+            @Nullable String signature,
+            @Nullable String[] exceptions
+    ) {
         return getVisitor().visitMethod(access, name, desc, signature, exceptions);
     }
-    
-    public AnnotationVisitor newAnnotation(PsiElement origin,
-                                           String desc,
-                                           boolean visible) {
+
+    public AnnotationVisitor newAnnotation(
+            String desc,
+            boolean visible
+    ) {
         return getVisitor().visitAnnotation(desc, visible);
     }
 
@@ -70,7 +72,15 @@ public abstract class ClassBuilder {
 
     public abstract ClassVisitor getVisitor();
 
-    public void defineClass(PsiElement origin, int version, int access, String name, @Nullable String signature, String superName, String[] interfaces) {
+    public void defineClass(
+            PsiElement origin,
+            int version,
+            int access,
+            String name,
+            @Nullable String signature,
+            String superName,
+            String[] interfaces
+    ) {
         getVisitor().visit(version, access & ~Opcodes.ACC_STATIC, name, signature, superName, interfaces);
     }
 

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

@@ -17,7 +17,6 @@
 package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.asm4.ClassVisitor;
 import org.jetbrains.asm4.ClassWriter;
 import org.jetbrains.asm4.util.TraceClassVisitor;
 
@@ -27,6 +26,7 @@ import java.io.StringWriter;
 /**
  * @author Stepan Koltsov
  */
+@SuppressWarnings("IOResourceOpenedButNotSafelyClosed")
 public class ClassBuilderFactories {
 
     public static ClassBuilderFactory TEST = new ClassBuilderFactory() {

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

@@ -17,11 +17,6 @@
 package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.asm4.ClassWriter;
-import org.jetbrains.asm4.util.TraceClassVisitor;
-
-import java.io.PrintWriter;
-import java.io.StringWriter;
 
 /**
  * @author max
@@ -29,7 +24,10 @@ import java.io.StringWriter;
 public interface ClassBuilderFactory {
     @NotNull
     ClassBuilderMode getClassBuilderMode();
+
     ClassBuilder newClassBuilder();
+
     String asText(ClassBuilder builder);
+
     byte[] asBytes(ClassBuilder builder);
 }

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

@@ -17,13 +17,19 @@
 package org.jetbrains.jet.codegen;
 
 /**
-* @author Stepan Koltsov
-*/
+ * @author Stepan Koltsov
+ */
 public enum ClassBuilderMode {
-    /** Full function bodies */
+    /**
+     * Full function bodies
+     */
     FULL,
-    /** Only function signatures */
+    /**
+     * Only function signatures
+     */
     SIGNATURES,
-    /** Function with stub bodies: just throw exception */
+    /**
+     * Function with stub bodies: just throw exception
+     */
     STUBS,
 }

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

@@ -17,7 +17,6 @@
 package org.jetbrains.jet.codegen;
 
 import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
-import org.jetbrains.jet.lang.descriptors.ClassKind;
 import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.BindingContext;

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

@@ -18,9 +18,8 @@ package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.psi.JetFile;
-import org.jetbrains.jet.lang.psi.JetPsiUtil;
-import org.jetbrains.jet.lang.resolve.name.FqName;
 import org.jetbrains.jet.lang.resolve.java.JvmClassName;
+import org.jetbrains.jet.lang.resolve.name.FqName;
 
 import javax.inject.Inject;
 import java.util.*;
@@ -49,7 +48,6 @@ public class ClassFileFactory {
     }
 
 
-
     ClassBuilder newVisitor(String filePath) {
         state.getProgress().log("Emitting: " + filePath);
         final ClassBuilder answer = builderFactory.newClassBuilder();

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

@@ -23,6 +23,12 @@ package org.jetbrains.jet.codegen;
 import com.intellij.openapi.util.Pair;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Label;
+import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.asm4.commons.Method;
+import org.jetbrains.asm4.signature.SignatureWriter;
 import org.jetbrains.jet.codegen.signature.BothSignatureWriter;
 import org.jetbrains.jet.codegen.signature.JvmMethodParameterKind;
 import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
@@ -36,13 +42,6 @@ import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
 import org.jetbrains.jet.lang.types.JetType;
-import org.jetbrains.jet.lang.types.lang.JetStandardClasses;
-import org.jetbrains.asm4.Label;
-import org.jetbrains.asm4.MethodVisitor;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
-import org.jetbrains.asm4.commons.Method;
-import org.jetbrains.asm4.signature.SignatureWriter;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -59,26 +58,26 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
     }
 
     public static JvmMethodSignature erasedInvokeSignature(FunctionDescriptor fd) {
-        
+
         BothSignatureWriter signatureWriter = new BothSignatureWriter(BothSignatureWriter.Mode.METHOD, false);
-        
+
         signatureWriter.writeFormalTypeParametersStart();
         signatureWriter.writeFormalTypeParametersEnd();
-        
+
         boolean isExtensionFunction = fd.getReceiverParameter().exists();
         int paramCount = fd.getValueParameters().size();
         if (isExtensionFunction) {
             paramCount++;
         }
-        
+
         signatureWriter.writeParametersStart();
-        
+
         for (int i = 0; i < paramCount; ++i) {
             signatureWriter.writeParameterType(JvmMethodParameterKind.VALUE);
             signatureWriter.writeAsmType(JetTypeMapper.TYPE_OBJECT, true);
             signatureWriter.writeParameterTypeEnd();
         }
-        
+
         signatureWriter.writeParametersEnd();
 
         signatureWriter.writeReturnType();
@@ -98,10 +97,9 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
         else {
             receiverParameterType = null;
         }
-        final CallableMethod result = new CallableMethod(
+        return new CallableMethod(
                 owner, null, null, descriptor, INVOKEVIRTUAL,
                 getInternalClassName(fd), receiverParameterType, getInternalClassName(fd).getAsmType());
-        return result;
     }
 
     public JvmMethodSignature invokeSignature(FunctionDescriptor fd) {
@@ -118,6 +116,7 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
 
         SignatureWriter signatureWriter = new SignatureWriter();
 
+        assert funDescriptor != null;
         final List<ValueParameterDescriptor> parameters = funDescriptor.getValueParameters();
         final JvmClassName funClass = getInternalClassName(funDescriptor);
         signatureWriter.visitClassType(funClass.getInternalName());
@@ -142,9 +141,12 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
         generateBridge(name.getInternalName(), funDescriptor, fun, cv);
         captureThis = generateBody(funDescriptor, cv, (JetDeclarationWithBody) fun);
         ClassDescriptor thisDescriptor = context.getThisDescriptor();
-        final Type enclosingType = thisDescriptor == null ? null : state.getInjector().getJetTypeMapper().mapType(thisDescriptor.getDefaultType(), MapTypeMode.VALUE);
-        if (enclosingType == null)
+        final Type enclosingType = thisDescriptor == null
+                                   ? null
+                                   : state.getInjector().getJetTypeMapper().mapType(thisDescriptor.getDefaultType(), MapTypeMode.VALUE);
+        if (enclosingType == null) {
             captureThis = null;
+        }
 
         final Method constructor = generateConstructor(funClass, fun, funDescriptor);
 
@@ -158,16 +160,14 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
 
         cv.done();
 
-        final GeneratedAnonymousClassDescriptor answer = new GeneratedAnonymousClassDescriptor(name, constructor, captureThis, captureReceiver);
+        final GeneratedAnonymousClassDescriptor answer =
+                new GeneratedAnonymousClassDescriptor(name, constructor, captureThis, captureReceiver);
         for (DeclarationDescriptor descriptor : closure.keySet()) {
             if (descriptor == funDescriptor) {
                 continue;
             }
-            if (descriptor instanceof VariableDescriptor) {
-                final EnclosedValueDescriptor valueDescriptor = closure.get(descriptor);
-                answer.addArg(valueDescriptor.getOuterValue());
-            }
-            else if (CodegenUtil.isNamedFun(descriptor, state.getBindingContext()) && descriptor.getContainingDeclaration() instanceof FunctionDescriptor) {
+            if (descriptor instanceof VariableDescriptor || CodegenUtil.isNamedFun(descriptor, state.getBindingContext()) &&
+                                                            descriptor.getContainingDeclaration() instanceof FunctionDescriptor) {
                 final EnclosedValueDescriptor valueDescriptor = closure.get(descriptor);
                 answer.addArg(valueDescriptor.getOuterValue());
             }
@@ -204,7 +204,8 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
     }
 
     private Type generateBody(FunctionDescriptor funDescriptor, ClassBuilder cv, JetDeclarationWithBody body) {
-        ClassDescriptor function = state.getInjector().getJetTypeMapper().getClosureAnnotator().classDescriptorForFunctionDescriptor(funDescriptor, name);
+        ClassDescriptor function =
+                state.getInjector().getJetTypeMapper().getClosureAnnotator().classDescriptorForFunctionDescriptor(funDescriptor, name);
 
         final CodegenContexts.ClosureContext closureContext = context.intoClosure(
                 funDescriptor, function, name, this, state.getInjector().getJetTypeMapper());
@@ -218,10 +219,13 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
         final JvmMethodSignature bridge = erasedInvokeSignature(funDescriptor);
         final Method delegate = invokeSignature(funDescriptor).getAsmMethod();
 
-        if (bridge.getAsmMethod().getDescriptor().equals(delegate.getDescriptor()))
+        if (bridge.getAsmMethod().getDescriptor().equals(delegate.getDescriptor())) {
             return;
+        }
 
-        final MethodVisitor mv = cv.newMethod(fun, ACC_PUBLIC | ACC_BRIDGE | ACC_VOLATILE, "invoke", bridge.getAsmMethod().getDescriptor(), null, new String[0]);
+        final MethodVisitor mv =
+                cv.newMethod(fun, ACC_PUBLIC | ACC_BRIDGE | ACC_VOLATILE, "invoke", bridge.getAsmMethod().getDescriptor(), null,
+                             new String[0]);
         if (state.getClassBuilderMode() == ClassBuilderMode.STUBS) {
             StubCodegen.generateStubCode(mv);
         }
@@ -236,14 +240,16 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
             int count = 1;
             if (receiver.exists()) {
                 StackValue.local(count, JetTypeMapper.TYPE_OBJECT).put(JetTypeMapper.TYPE_OBJECT, iv);
-                StackValue.onStack(JetTypeMapper.TYPE_OBJECT).upcast(state.getInjector().getJetTypeMapper().mapType(receiver.getType(), MapTypeMode.VALUE), iv);
+                StackValue.onStack(JetTypeMapper.TYPE_OBJECT)
+                        .upcast(state.getInjector().getJetTypeMapper().mapType(receiver.getType(), MapTypeMode.VALUE), iv);
                 count++;
             }
 
             final List<ValueParameterDescriptor> params = funDescriptor.getValueParameters();
             for (ValueParameterDescriptor param : params) {
                 StackValue.local(count, JetTypeMapper.TYPE_OBJECT).put(JetTypeMapper.TYPE_OBJECT, iv);
-                StackValue.onStack(JetTypeMapper.TYPE_OBJECT).upcast(state.getInjector().getJetTypeMapper().mapType(param.getType(), MapTypeMode.VALUE), iv);
+                StackValue.onStack(JetTypeMapper.TYPE_OBJECT)
+                        .upcast(state.getInjector().getJetTypeMapper().mapType(param.getType(), MapTypeMode.VALUE), iv);
                 count++;
             }
 
@@ -261,7 +267,7 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
         argCount += (captureReceiver != null ? 1 : 0);
 
         ArrayList<DeclarationDescriptor> variableDescriptors = new ArrayList<DeclarationDescriptor>();
-        
+
         for (DeclarationDescriptor descriptor : closure.keySet()) {
             if (descriptor == funDescriptor) {
                 continue;
@@ -270,7 +276,8 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
                 argCount++;
                 variableDescriptors.add(descriptor);
             }
-            else if (CodegenUtil.isNamedFun(descriptor, state.getBindingContext()) && descriptor.getContainingDeclaration() instanceof FunctionDescriptor) {
+            else if (CodegenUtil.isNamedFun(descriptor, state.getBindingContext()) &&
+                     descriptor.getContainingDeclaration() instanceof FunctionDescriptor) {
                 argCount++;
                 variableDescriptors.add(descriptor);
             }
@@ -308,8 +315,11 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
                 }
                 argTypes[i++] = type;
             }
-            else if (CodegenUtil.isNamedFun(descriptor, state.getBindingContext()) && descriptor.getContainingDeclaration() instanceof FunctionDescriptor) {
-                final Type type = state.getInjector().getJetTypeMapper().getClosureAnnotator().classNameForAnonymousClass((JetElement) BindingContextUtils.descriptorToDeclaration(bindingContext, descriptor)).getAsmType();
+            else if (CodegenUtil.isNamedFun(descriptor, state.getBindingContext()) &&
+                     descriptor.getContainingDeclaration() instanceof FunctionDescriptor) {
+                final Type type = state.getInjector().getJetTypeMapper().getClosureAnnotator()
+                        .classNameForAnonymousClass((JetElement) BindingContextUtils.descriptorToDeclaration(bindingContext, descriptor))
+                        .getAsmType();
                 argTypes[i++] = type;
             }
         }
@@ -374,16 +384,6 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
         }
     }
 
-    public static ClassDescriptor getInternalType(FunctionDescriptor descriptor) {
-        final int paramCount = descriptor.getValueParameters().size();
-        if (descriptor.getReceiverParameter().exists()) {
-            return JetStandardClasses.getReceiverFunction(paramCount);
-        }
-        else {
-            return JetStandardClasses.getFunction(paramCount);
-        }
-    }
-
     private void appendType(SignatureWriter signatureWriter, JetType type, char variance) {
         signatureWriter.visitTypeArgument(variance);
 

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

@@ -18,14 +18,14 @@ package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.resolve.java.JvmClassName;
-import org.jetbrains.jet.lang.types.JetType;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
-import java.util.*;
+import java.util.Collections;
+import java.util.HashMap;
 
 /*
  * @author max
@@ -39,26 +39,32 @@ public abstract class CodegenContext {
     private final OwnerKind contextKind;
     @Nullable
     private final CodegenContext parentContext;
-    public  final ObjectOrClosureCodegen closure;
+    public final ObjectOrClosureCodegen closure;
 
     HashMap<DeclarationDescriptor, DeclarationDescriptor> accessors;
 
     protected StackValue outerExpression;
 
-    protected Type outerWasUsed ;
+    protected Type outerWasUsed;
 
-    public CodegenContext(@NotNull DeclarationDescriptor contextDescriptor, OwnerKind contextKind, @Nullable CodegenContext parentContext, @Nullable ObjectOrClosureCodegen closureCodegen) {
+    public CodegenContext(
+            @NotNull DeclarationDescriptor contextDescriptor,
+            OwnerKind contextKind,
+            @Nullable CodegenContext parentContext,
+            @Nullable ObjectOrClosureCodegen closureCodegen
+    ) {
         this.contextDescriptor = contextDescriptor;
         this.contextKind = contextKind;
         this.parentContext = parentContext;
         closure = closureCodegen;
     }
 
-    protected abstract ClassDescriptor getThisDescriptor ();
+    protected abstract ClassDescriptor getThisDescriptor();
 
     public DeclarationDescriptor getClassOrNamespaceDescriptor() {
         CodegenContext c = this;
-        while(true) {
+        while (true) {
+            assert c != null;
             DeclarationDescriptor contextDescriptor = c.getContextDescriptor();
             if (!(contextDescriptor instanceof ClassDescriptor) && !(contextDescriptor instanceof NamespaceDescriptor)) {
                 c = c.getParentContext();
@@ -82,6 +88,7 @@ public abstract class CodegenContext {
         return prefix != null ? StackValue.composed(prefix, outerExpression) : outerExpression;
     }
 
+    @NotNull
     public DeclarationDescriptor getContextDescriptor() {
         return contextDescriptor;
     }
@@ -95,14 +102,19 @@ public abstract class CodegenContext {
     }
 
     public CodegenContext intoNamespacePart(String delegateTo, NamespaceDescriptor descriptor) {
-        return new CodegenContexts.NamespaceContext(descriptor, this, new OwnerKind.StaticDelegateKind(StackValue.none(), delegateTo));
+        return new CodegenContexts.NamespaceContext(descriptor, this, new OwnerKind.StaticDelegateKind(delegateTo));
     }
 
     public CodegenContext intoClass(ClassDescriptor descriptor, OwnerKind kind, JetTypeMapper typeMapper) {
         return new CodegenContexts.ClassContext(descriptor, kind, this, typeMapper);
     }
 
-    public CodegenContext intoAnonymousClass(@NotNull ObjectOrClosureCodegen closure, ClassDescriptor descriptor, OwnerKind kind, JetTypeMapper typeMapper) {
+    public CodegenContext intoAnonymousClass(
+            @NotNull ObjectOrClosureCodegen closure,
+            ClassDescriptor descriptor,
+            OwnerKind kind,
+            JetTypeMapper typeMapper
+    ) {
         return new CodegenContexts.AnonymousClassContext(descriptor, kind, this, closure, typeMapper);
     }
 
@@ -113,7 +125,8 @@ public abstract class CodegenContext {
     public CodegenContexts.ConstructorContext intoConstructor(ConstructorDescriptor descriptor, JetTypeMapper typeMapper) {
         if (descriptor == null) {
             descriptor = new ConstructorDescriptorImpl(getThisDescriptor(), Collections.<AnnotationDescriptor>emptyList(), true)
-                    .initialize(Collections.<TypeParameterDescriptor>emptyList(), Collections.<ValueParameterDescriptor>emptyList(), Visibilities.PUBLIC);
+                    .initialize(Collections.<TypeParameterDescriptor>emptyList(), Collections.<ValueParameterDescriptor>emptyList(),
+                                Visibilities.PUBLIC);
         }
         return new CodegenContexts.ConstructorContext(descriptor, getContextKind(), this, typeMapper);
     }
@@ -122,7 +135,13 @@ public abstract class CodegenContext {
         return new CodegenContexts.ScriptContext(script, classDescriptor, OwnerKind.IMPLEMENTATION, this, closure);
     }
 
-    public CodegenContexts.ClosureContext intoClosure(FunctionDescriptor funDescriptor, ClassDescriptor classDescriptor, JvmClassName internalClassName, ClosureCodegen closureCodegen, JetTypeMapper typeMapper) {
+    public CodegenContexts.ClosureContext intoClosure(
+            FunctionDescriptor funDescriptor,
+            ClassDescriptor classDescriptor,
+            JvmClassName internalClassName,
+            ClosureCodegen closureCodegen,
+            JetTypeMapper typeMapper
+    ) {
         return new CodegenContexts.ClosureContext(funDescriptor, classDescriptor, this, closureCodegen, internalClassName, typeMapper);
     }
 
@@ -151,7 +170,9 @@ public abstract class CodegenContext {
         final ObjectOrClosureCodegen top = closure;
         if (top != null) {
             final StackValue answer = top.lookupInContext(d, result);
-            if (answer != null) { return result == null ? answer : StackValue.composed(result, answer); }
+            if (answer != null) {
+                return result == null ? answer : StackValue.composed(result, answer);
+            }
 
             StackValue outer = getOuterExpression(null);
             result = result == null ? outer : StackValue.composed(result, outer);
@@ -171,17 +192,19 @@ public abstract class CodegenContext {
 
     DeclarationDescriptor getAccessor(DeclarationDescriptor descriptor) {
         if (accessors == null) {
-            accessors = new HashMap<DeclarationDescriptor,DeclarationDescriptor>();
+            accessors = new HashMap<DeclarationDescriptor, DeclarationDescriptor>();
         }
         descriptor = descriptor.getOriginal();
         DeclarationDescriptor accessor = accessors.get(descriptor);
-        if (accessor != null) { return accessor; }
+        if (accessor != null) {
+            return accessor;
+        }
 
         if (descriptor instanceof SimpleFunctionDescriptor) {
             accessor = new AccessorForFunctionDescriptor(descriptor, contextDescriptor, accessors.size());
         }
         else if (descriptor instanceof PropertyDescriptor) {
-            accessor = new AccessorForPropertyDescriptor((PropertyDescriptor) descriptor, contextDescriptor,accessors.size());
+            accessor = new AccessorForPropertyDescriptor((PropertyDescriptor) descriptor, contextDescriptor, accessors.size());
         }
         else {
             throw new UnsupportedOperationException();
@@ -201,7 +224,7 @@ public abstract class CodegenContext {
     public void copyAccessors(HashMap<DeclarationDescriptor, DeclarationDescriptor> accessors) {
         if (accessors != null) {
             if (this.accessors == null) {
-                this.accessors = new HashMap<DeclarationDescriptor,DeclarationDescriptor>();
+                this.accessors = new HashMap<DeclarationDescriptor, DeclarationDescriptor>();
             }
             this.accessors.putAll(accessors);
         }

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

@@ -18,21 +18,13 @@ package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.lang.descriptors.CallableDescriptor;
-import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
-import org.jetbrains.jet.lang.descriptors.ConstructorDescriptor;
-import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
-import org.jetbrains.jet.lang.descriptors.DeclarationDescriptorVisitor;
-import org.jetbrains.jet.lang.descriptors.FunctionDescriptor;
-import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
-import org.jetbrains.jet.lang.descriptors.PropertyAccessorDescriptor;
-import org.jetbrains.jet.lang.descriptors.ScriptDescriptor;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.TypeSubstitutor;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -76,8 +68,10 @@ public class CodegenContexts {
             throw new IllegalStateException();
         }
 
-        @NotNull @Override public Name getName() {
-            return null;
+        @NotNull
+        @Override
+        public Name getName() {
+            throw new IllegalStateException();
         }
     }
 
@@ -97,13 +91,17 @@ public class CodegenContexts {
             return "ROOT";
         }
     };
-    protected static final StackValue local0 = StackValue.local(0, JetTypeMapper.TYPE_OBJECT);
     protected static final StackValue local1 = StackValue.local(1, JetTypeMapper.TYPE_OBJECT);
 
     public abstract static class ReceiverContext extends CodegenContext {
         final CallableDescriptor receiverDescriptor;
 
-        public ReceiverContext(CallableDescriptor contextDescriptor, OwnerKind contextKind, CodegenContext parentContext, @Nullable ObjectOrClosureCodegen closureCodegen) {
+        public ReceiverContext(
+                CallableDescriptor contextDescriptor,
+                OwnerKind contextKind,
+                CodegenContext parentContext,
+                @Nullable ObjectOrClosureCodegen closureCodegen
+        ) {
             super(contextDescriptor, contextKind, parentContext, closureCodegen);
             receiverDescriptor = contextDescriptor.getReceiverParameter().exists() ? contextDescriptor : null;
         }
@@ -114,39 +112,41 @@ public class CodegenContexts {
         }
     }
 
-    public static class MethodContext  extends ReceiverContext {
-        @NotNull
-        private final FunctionDescriptor functionDescriptor;
+    public static class MethodContext extends ReceiverContext {
 
         public MethodContext(@NotNull FunctionDescriptor contextType, OwnerKind contextKind, CodegenContext parentContext) {
-            super(contextType instanceof PropertyAccessorDescriptor ? ((PropertyAccessorDescriptor)contextType).getCorrespondingProperty() : contextType, contextKind, parentContext, null);
-            this.functionDescriptor = contextType;
-        }
-
-        @NotNull
-        public FunctionDescriptor getFunctionDescriptor() {
-            return functionDescriptor;
+            super(contextType instanceof PropertyAccessorDescriptor
+                  ? ((PropertyAccessorDescriptor) contextType).getCorrespondingProperty()
+                  : contextType, contextKind, parentContext, null);
         }
 
         @Override
         protected ClassDescriptor getThisDescriptor() {
+            //noinspection ConstantConditions
             return getParentContext().getThisDescriptor();
         }
 
+        @Override
         public StackValue lookupInContext(DeclarationDescriptor d, InstructionAdapter v, StackValue result) {
+            //noinspection ConstantConditions
             return getParentContext().lookupInContext(d, v, result);
         }
 
+        @Override
         public Type enclosingClassType(JetTypeMapper typeMapper) {
+            //noinspection ConstantConditions
             return getParentContext().enclosingClassType(typeMapper);
         }
 
         @Override
         public boolean isStatic() {
+            //noinspection ConstantConditions
             return getParentContext().isStatic();
         }
 
+        @Override
         protected StackValue getOuterExpression(StackValue prefix) {
+            //noinspection ConstantConditions
             return getParentContext().getOuterExpression(prefix);
         }
 
@@ -157,15 +157,21 @@ public class CodegenContexts {
     }
 
     public static class ConstructorContext extends MethodContext {
-        public ConstructorContext(ConstructorDescriptor contextDescriptor, OwnerKind kind, CodegenContext parent, JetTypeMapper typeMapper) {
+        public ConstructorContext(
+                ConstructorDescriptor contextDescriptor,
+                OwnerKind kind,
+                CodegenContext parent,
+                JetTypeMapper typeMapper
+        ) {
             super(contextDescriptor, kind, parent);
 
             final Type type = enclosingClassType(typeMapper);
             outerExpression = type != null
-                        ? local1
-                        : null;
+                              ? local1
+                              : null;
         }
 
+        @Override
         protected StackValue getOuterExpression(StackValue prefix) {
             return outerExpression;
         }
@@ -188,7 +194,8 @@ public class CodegenContexts {
                 @NotNull ClassDescriptor contextDescriptor,
                 @NotNull OwnerKind contextKind,
                 @Nullable CodegenContext parentContext,
-                @Nullable ObjectOrClosureCodegen closureCodegen) {
+                @Nullable ObjectOrClosureCodegen closureCodegen
+        ) {
             super(contextDescriptor, contextKind, parentContext, closureCodegen);
 
             this.classDescriptor = contextDescriptor;
@@ -212,13 +219,18 @@ public class CodegenContexts {
     }
 
     public static class ClassContext extends CodegenContext {
-        public ClassContext(ClassDescriptor contextDescriptor, OwnerKind contextKind, CodegenContext parentContext, JetTypeMapper typeMapper) {
+        public ClassContext(
+                ClassDescriptor contextDescriptor,
+                OwnerKind contextKind,
+                CodegenContext parentContext,
+                JetTypeMapper typeMapper
+        ) {
             super(contextDescriptor, contextKind, parentContext, null);
 
             final Type type = enclosingClassType(typeMapper);
             outerExpression = type != null
-                        ? StackValue.field(type, typeMapper.getJvmClassName(contextDescriptor), "this$0", false)
-                        : null;
+                              ? StackValue.field(type, typeMapper.getJvmClassName(contextDescriptor), "this$0", false)
+                              : null;
         }
 
         @Override
@@ -233,14 +245,20 @@ public class CodegenContexts {
     }
 
     public static class AnonymousClassContext extends CodegenContext {
-        public AnonymousClassContext(ClassDescriptor contextDescriptor, OwnerKind contextKind, CodegenContext parentContext, @NotNull ObjectOrClosureCodegen closure, JetTypeMapper typeMapper) {
+        public AnonymousClassContext(
+                ClassDescriptor contextDescriptor,
+                OwnerKind contextKind,
+                CodegenContext parentContext,
+                @NotNull ObjectOrClosureCodegen closure,
+                JetTypeMapper typeMapper
+        ) {
             super(contextDescriptor, contextKind, parentContext, closure);
 
             final Type type = enclosingClassType(typeMapper);
             Type owner = closure.state.getInjector().getJetTypeMapper().mapType(contextDescriptor.getDefaultType(), MapTypeMode.IMPL);
             outerExpression = type != null
-                        ? StackValue.field(type, JvmClassName.byType(owner), "this$0", false)
-                        : null;
+                              ? StackValue.field(type, JvmClassName.byType(owner), "this$0", false)
+                              : null;
         }
 
         @Override
@@ -260,16 +278,23 @@ public class CodegenContexts {
     }
 
     public static class ClosureContext extends ReceiverContext {
-        private ClassDescriptor classDescriptor;
+        private final ClassDescriptor classDescriptor;
 
-        public ClosureContext(FunctionDescriptor contextDescriptor, ClassDescriptor classDescriptor, CodegenContext parentContext, @NotNull ObjectOrClosureCodegen closureCodegen, JvmClassName internalClassName, JetTypeMapper typeMapper) {
+        public ClosureContext(
+                FunctionDescriptor contextDescriptor,
+                ClassDescriptor classDescriptor,
+                CodegenContext parentContext,
+                @NotNull ObjectOrClosureCodegen closureCodegen,
+                JvmClassName internalClassName,
+                JetTypeMapper typeMapper
+        ) {
             super(contextDescriptor, OwnerKind.IMPLEMENTATION, parentContext, closureCodegen);
             this.classDescriptor = classDescriptor;
 
             final Type type = enclosingClassType(typeMapper);
             outerExpression = type != null
-                        ? StackValue.field(type, internalClassName, "this$0", false)
-                        : null;
+                              ? StackValue.field(type, internalClassName, "this$0", false)
+                              : null;
         }
 
         @Override
@@ -277,6 +302,7 @@ public class CodegenContexts {
             return classDescriptor;
         }
 
+        @NotNull
         @Override
         public DeclarationDescriptor getContextDescriptor() {
             return classDescriptor;

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

@@ -25,12 +25,12 @@ import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.BindingContextUtils;
 import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
 import org.jetbrains.jet.lang.resolve.name.Name;
-import org.jetbrains.jet.lang.types.lang.JetStandardClasses;
 import org.jetbrains.jet.lang.types.JetType;
+import org.jetbrains.jet.lang.types.lang.JetStandardClasses;
 
 import java.util.BitSet;
-import java.util.Collections;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Random;
 
 /**
@@ -64,20 +64,20 @@ public class CodegenUtil {
                 CallableMemberDescriptor.Kind.DECLARATION);
 
         invokeDescriptor.initialize(fd.getReceiverParameter().exists() ? fd.getReceiverParameter().getType() : null,
-                                   fd.getExpectedThisObject(),
-                                   Collections.<TypeParameterDescriptorImpl>emptyList(),
-                                   fd.getValueParameters(),
-                                   fd.getReturnType(),
-                                   Modality.FINAL,
-                                   Visibilities.PUBLIC,
-                                   /*isInline = */false
+                                    fd.getExpectedThisObject(),
+                                    Collections.<TypeParameterDescriptorImpl>emptyList(),
+                                    fd.getValueParameters(),
+                                    fd.getReturnType(),
+                                    Modality.FINAL,
+                                    Visibilities.PUBLIC,
+                                    /*isInline = */false
         );
         return invokeDescriptor;
     }
 
     public static boolean isNonLiteralObject(JetClassOrObject myClass) {
         return myClass instanceof JetObjectDeclaration && !((JetObjectDeclaration) myClass).isObjectLiteral() &&
-                !(myClass.getParent() instanceof JetClassObject);
+               !(myClass.getParent() instanceof JetClassObject);
     }
 
     public static boolean isLocalFun(DeclarationDescriptor fd, BindingContext bindingContext) {
@@ -109,7 +109,9 @@ public class CodegenUtil {
     }
 
 
-    public static @NotNull BitSet getFlagsForVisibility(@NotNull Visibility visibility) {
+    public static
+    @NotNull
+    BitSet getFlagsForVisibility(@NotNull Visibility visibility) {
         BitSet flags = new BitSet();
         if (visibility == Visibilities.INTERNAL) {
             flags.set(JvmStdlibNames.FLAG_INTERNAL_BIT);

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

@@ -25,7 +25,7 @@ public interface CompilationErrorHandler {
         @Override
         public void reportException(Throwable exception, String fileUrl) {
             if (exception instanceof RuntimeException) {
-                throw (RuntimeException)exception;
+                throw (RuntimeException) exception;
             }
             throw new IllegalStateException(exception);
         }

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

@@ -24,9 +24,9 @@ import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.diagnostics.DiagnosticUtils;
 
 /**
-* @author alex.tkachman
-* @author abreslav
-*/
+ * @author alex.tkachman
+ * @author abreslav
+ */
 public class CompilationException extends RuntimeException {
     private final PsiElement element;
 
@@ -56,7 +56,8 @@ public class CompilationException extends RuntimeException {
         return ApplicationManager.getApplication().runReadAction(new Computable<String>() {
             @Override
             public String compute() {
-                StringBuilder message = new StringBuilder("Back-end (JVM) Internal error: ").append(CompilationException.super.getMessage()).append("\n");
+                StringBuilder message =
+                        new StringBuilder("Back-end (JVM) Internal error: ").append(CompilationException.super.getMessage()).append("\n");
                 Throwable cause = getCause();
                 if (cause != null) {
                     String causeMessage = cause.getMessage();

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

@@ -17,10 +17,10 @@
 package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
 import org.jetbrains.jet.lang.descriptors.ClassKind;
 import org.jetbrains.jet.lang.descriptors.ConstructorDescriptor;
 import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
-import org.jetbrains.asm4.Type;
 
 import java.util.Collections;
 import java.util.List;
@@ -31,7 +31,6 @@ import java.util.List;
  */
 public class ConstructorFrameMap extends FrameMap {
     private int myOuterThisIndex = -1;
-    private int myTypeInfoIndex = -1;
 
     public ConstructorFrameMap(CallableMethod callableMethod, @Nullable ConstructorDescriptor descriptor, boolean hasThis0) {
         enterTemp(); // this
@@ -62,8 +61,4 @@ public class ConstructorFrameMap extends FrameMap {
     public int getOuterThisIndex() {
         return myOuterThisIndex;
     }
-
-    public int getTypeInfoIndex() {
-        return myTypeInfoIndex;
-    }
 }

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

@@ -24,6 +24,12 @@ import com.intellij.psi.PsiMethod;
 import com.intellij.psi.tree.IElementType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Label;
+import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.asm4.Opcodes;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.asm4.commons.Method;
 import org.jetbrains.jet.codegen.intrinsics.IntrinsicMethod;
 import org.jetbrains.jet.codegen.signature.JvmPropertyAccessorSignature;
 import org.jetbrains.jet.lang.descriptors.*;
@@ -40,12 +46,6 @@ import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.JetStandardClasses;
 import org.jetbrains.jet.lang.types.lang.JetStandardLibraryNames;
 import org.jetbrains.jet.lexer.JetTokens;
-import org.jetbrains.asm4.Label;
-import org.jetbrains.asm4.MethodVisitor;
-import org.jetbrains.asm4.Opcodes;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
-import org.jetbrains.asm4.commons.Method;
 
 import java.util.*;
 

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

@@ -132,12 +132,15 @@ public class FrameMap {
 
         Collections.sort(descriptors, new Comparator<Tuple3<DeclarationDescriptor, Integer, Integer>>() {
             @Override
-            public int compare(Tuple3<DeclarationDescriptor, Integer, Integer> left, Tuple3<DeclarationDescriptor, Integer, Integer> right) {
+            public int compare(
+                    Tuple3<DeclarationDescriptor, Integer, Integer> left,
+                    Tuple3<DeclarationDescriptor, Integer, Integer> right
+            ) {
                 return left._2 - right._2;
             }
         });
 
-        sb.append("size=" + myMaxIndex);
+        sb.append("size=").append(myMaxIndex);
 
         boolean first = true;
         for (Tuple3<DeclarationDescriptor, Integer, Integer> t : descriptors) {
@@ -145,7 +148,7 @@ public class FrameMap {
                 sb.append(", ");
             }
             first = false;
-            sb.append(t._1 + ",i=" + t._2 + ",s=" + t._3);
+            sb.append(t._1).append(",i=").append(t._2).append(",s=").append(t._3);
         }
 
         return sb.toString();

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

@@ -19,6 +19,11 @@ package org.jetbrains.jet.codegen;
 import com.intellij.openapi.progress.ProcessCanceledException;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Label;
+import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.asm4.commons.Method;
 import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
 import org.jetbrains.jet.codegen.signature.kotlin.JetMethodAnnotationWriter;
 import org.jetbrains.jet.codegen.signature.kotlin.JetValueParameterAnnotationWriter;
@@ -32,11 +37,6 @@ import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
-import org.jetbrains.asm4.Label;
-import org.jetbrains.asm4.MethodVisitor;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
-import org.jetbrains.asm4.commons.Method;
 
 import java.util.*;
 
@@ -61,13 +61,17 @@ public class FunctionCodegen {
     public void gen(JetNamedFunction f) {
         final SimpleFunctionDescriptor functionDescriptor = state.getBindingContext().get(BindingContext.FUNCTION, f);
         assert functionDescriptor != null;
-        JvmMethodSignature method = state.getInjector().getJetTypeMapper().mapToCallableMethod(functionDescriptor, false, owner.getContextKind()).getSignature();
+        JvmMethodSignature method =
+                state.getInjector().getJetTypeMapper().mapToCallableMethod(functionDescriptor, false, owner.getContextKind())
+                        .getSignature();
         generateMethod(f, method, true, null, functionDescriptor);
     }
 
-    public void generateMethod(JetDeclarationWithBody f,
+    public void generateMethod(
+            JetDeclarationWithBody f,
             JvmMethodSignature jvmMethod, boolean needJetAnnotations,
-            @Nullable String propertyTypeSignature, FunctionDescriptor functionDescriptor) {
+            @Nullable String propertyTypeSignature, FunctionDescriptor functionDescriptor
+    ) {
 
         CodegenContexts.MethodContext funContext = owner.intoFunction(functionDescriptor);
 
@@ -75,40 +79,39 @@ public class FunctionCodegen {
         generatedMethod(bodyExpression, jvmMethod, needJetAnnotations, propertyTypeSignature, funContext, functionDescriptor, f);
     }
 
-    private void generatedMethod(JetExpression bodyExpressions,
+    private void generatedMethod(
+            JetExpression bodyExpressions,
             JvmMethodSignature jvmSignature,
             boolean needJetAnnotations, @Nullable String propertyTypeSignature,
             CodegenContexts.MethodContext context,
             FunctionDescriptor functionDescriptor,
             JetDeclarationWithBody fun
-    )
-    {
+    ) {
         if (functionDescriptor.getKind() == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) {
             throw new IllegalStateException("must not generate code for fake overrides");
         }
 
         List<ValueParameterDescriptor> paramDescrs = functionDescriptor.getValueParameters();
-        List<TypeParameterDescriptor> typeParameters = (functionDescriptor instanceof PropertyAccessorDescriptor ? ((PropertyAccessorDescriptor)functionDescriptor).getCorrespondingProperty(): functionDescriptor).getTypeParameters();
 
         int flags = JetTypeMapper.getAccessModifiers(functionDescriptor, 0);
-        
+
         if (!functionDescriptor.getValueParameters().isEmpty()
-                && functionDescriptor.getValueParameters().get(functionDescriptor.getValueParameters().size() - 1)
-                        .getVarargElementType() != null)
-        {
+            && functionDescriptor.getValueParameters().get(functionDescriptor.getValueParameters().size() - 1)
+                       .getVarargElementType() != null) {
             flags |= ACC_VARARGS;
         }
 
         Modality modality = functionDescriptor.getModality();
         if (modality == Modality.FINAL) {
             DeclarationDescriptor containingDeclaration = functionDescriptor.getContainingDeclaration();
-            if (!(containingDeclaration instanceof ClassDescriptor) || ((ClassDescriptor)containingDeclaration).getKind() != ClassKind.TRAIT) {
+            if (!(containingDeclaration instanceof ClassDescriptor) ||
+                ((ClassDescriptor) containingDeclaration).getKind() != ClassKind.TRAIT) {
                 flags |= ACC_FINAL;
             }
         }
 
         OwnerKind kind = context.getContextKind();
-        
+
         if (kind == OwnerKind.TRAIT_IMPL) {
             needJetAnnotations = false;
         }
@@ -118,16 +121,19 @@ public class FunctionCodegen {
 
         if (kind != OwnerKind.TRAIT_IMPL || bodyExpressions != null) {
             boolean isStatic = kind == OwnerKind.NAMESPACE || kind instanceof OwnerKind.StaticDelegateKind;
-            if (isStatic || kind == OwnerKind.TRAIT_IMPL)
+            if (isStatic || kind == OwnerKind.TRAIT_IMPL) {
                 flags |= ACC_STATIC;
+            }
 
             boolean isAbstract = (
-                        modality == Modality.ABSTRACT
-                        || CodegenUtil.isInterface(functionDescriptor.getContainingDeclaration())
-                    ) && !isStatic && kind != OwnerKind.TRAIT_IMPL;
+                                         modality == Modality.ABSTRACT
+                                         || CodegenUtil.isInterface(functionDescriptor.getContainingDeclaration())
+                                 ) && !isStatic && kind != OwnerKind.TRAIT_IMPL;
             if (isAbstract) flags |= ACC_ABSTRACT;
-            
-            final MethodVisitor mv = v.newMethod(fun, flags, jvmSignature.getAsmMethod().getName(), jvmSignature.getAsmMethod().getDescriptor(), jvmSignature.getGenericsSignature(), null);
+
+            final MethodVisitor mv =
+                    v.newMethod(fun, flags, jvmSignature.getAsmMethod().getName(), jvmSignature.getAsmMethod().getDescriptor(),
+                                jvmSignature.getGenericsSignature(), null);
             AnnotationCodegen.forMethod(mv, state.getInjector().getJetTypeMapper()).genAnnotations(functionDescriptor);
             if (state.getClassBuilderMode() != ClassBuilderMode.SIGNATURES) {
                 int start = 0;
@@ -169,7 +175,7 @@ public class FunctionCodegen {
                         }
                         av.visitEnd();
                     }
-                    for(int i = 0; i != paramDescrs.size(); ++i) {
+                    for (int i = 0; i != paramDescrs.size(); ++i) {
                         ValueParameterDescriptor parameterDescriptor = paramDescrs.get(i);
                         AnnotationCodegen.forParameter(i, mv, state.getInjector().getJetTypeMapper()).genAnnotations(parameterDescriptor);
                         JetValueParameterAnnotationWriter av = JetValueParameterAnnotationWriter.visitParameterAnnotation(mv, i + start);
@@ -191,29 +197,33 @@ public class FunctionCodegen {
 
             if (!isAbstract && state.getClassBuilderMode() == ClassBuilderMode.FULL) {
                 mv.visitCode();
-                
+
                 Label methodBegin = new Label();
                 mv.visitLabel(methodBegin);
-                
+
                 FrameMap frameMap = context.prepareFrame(state.getInjector().getJetTypeMapper());
 
-                ExpressionCodegen codegen = new ExpressionCodegen(mv, frameMap, jvmSignature.getAsmMethod().getReturnType(), context, state);
+                ExpressionCodegen codegen =
+                        new ExpressionCodegen(mv, frameMap, jvmSignature.getAsmMethod().getReturnType(), context, state);
 
                 Type[] argTypes = jvmSignature.getAsmMethod().getArgumentTypes();
                 int add = 0;
 
-                if (kind == OwnerKind.TRAIT_IMPL)
+                if (kind == OwnerKind.TRAIT_IMPL) {
                     add++;
+                }
 
-                if (receiverParameter.exists())
+                if (receiverParameter.exists()) {
                     add++;
+                }
 
                 for (int i = 0; i < paramDescrs.size(); i++) {
                     ValueParameterDescriptor parameter = paramDescrs.get(i);
-                    frameMap.enter(parameter, argTypes[i+add].getSize());
+                    frameMap.enter(parameter, argTypes[i + add].getSize());
                 }
 
-                if (!isStatic && (kind instanceof OwnerKind.DelegateKind) != (functionDescriptor.getKind() == FunctionDescriptor.Kind.DELEGATION)) {
+                if (!isStatic &&
+                    (kind instanceof OwnerKind.DelegateKind) != (functionDescriptor.getKind() == FunctionDescriptor.Kind.DELEGATION)) {
                     throw new IllegalStateException("mismatching kind in " + functionDescriptor);
                 }
 
@@ -225,6 +235,7 @@ public class FunctionCodegen {
                     for (int i = 0, k = 0; i < argTypes.length; i++) {
                         Type argType = argTypes[i];
                         iv.load(k, argType);
+                        //noinspection AssignmentToForLoopParameter
                         k += argType.getSize();
                     }
                     iv.invokestatic(dk.getOwnerClass(), jvmSignature.getAsmMethod().getName(), jvmSignature.getAsmMethod().getDescriptor());
@@ -239,7 +250,8 @@ public class FunctionCodegen {
                         Type argType = argTypes[i];
                         iv.load(i + 1, argType);
                     }
-                    iv.invokeinterface(dk.getOwnerClass(), jvmSignature.getAsmMethod().getName(), jvmSignature.getAsmMethod().getDescriptor());
+                    iv.invokeinterface(dk.getOwnerClass(), jvmSignature.getAsmMethod().getName(),
+                                       jvmSignature.getAsmMethod().getDescriptor());
                     iv.areturn(jvmSignature.getAsmMethod().getReturnType());
                 }
                 else {
@@ -253,11 +265,13 @@ public class FunctionCodegen {
                             mv.visitInsn(DUP);
                             mv.visitMethodInsn(INVOKESPECIAL, sharedVarType.getInternalName(), "<init>", "()V");
                             mv.visitVarInsn(localVarType.getOpcode(ILOAD), index);
-                            mv.visitFieldInsn(PUTFIELD, sharedVarType.getInternalName(), "ref", StackValue.refType(localVarType).getDescriptor());
+                            mv.visitFieldInsn(PUTFIELD, sharedVarType.getInternalName(), "ref",
+                                              StackValue.refType(localVarType).getDescriptor());
 
                             Label labelToDivideLocalVarForSharedVarVisibility = new Label();
                             mv.visitLabel(labelToDivideLocalVarForSharedVarVisibility);
-                            mapLabelsToDivideLocalVarVisibilityForSharedVar.put(parameter.getName(), labelToDivideLocalVarForSharedVarVisibility);
+                            mapLabelsToDivideLocalVarVisibilityForSharedVar
+                                    .put(parameter.getName(), labelToDivideLocalVarForSharedVarVisibility);
 
                             mv.visitVarInsn(sharedVarType.getOpcode(ISTORE), index);
                         }
@@ -265,7 +279,7 @@ public class FunctionCodegen {
 
                     codegen.returnExpression(bodyExpressions);
                 }
-                
+
                 Label methodEnd = new Label();
                 mv.visitLabel(methodEnd);
 
@@ -282,7 +296,8 @@ public class FunctionCodegen {
                     // TODO: specify signature
                     mv.visitLocalVariable("this", type.getDescriptor(), null, methodBegin, methodEnd, k++);
                 }
-                else if (fun instanceof JetFunctionLiteralExpression || CodegenUtil.isLocalFun(functionDescriptor, state.getBindingContext())) {
+                else if (fun instanceof JetFunctionLiteralExpression ||
+                         CodegenUtil.isLocalFun(functionDescriptor, state.getBindingContext())) {
                     Type type = state.getInjector().getJetTypeMapper().mapType(
                             context.getThisDescriptor().getDefaultType(), MapTypeMode.VALUE);
                     mv.visitLocalVariable("this", type.getDescriptor(), null, methodBegin, methodEnd, k++);
@@ -310,7 +325,8 @@ public class FunctionCodegen {
 
                         mv.visitLocalVariable(nameForSharedVar, sharedVarType.getDescriptor(), null, divideLabel, methodEnd, k);
                         k += Math.max(type.getSize(), sharedVarType.getSize());
-                    }   else {
+                    }
+                    else {
                         mv.visitLocalVariable(parameter.getName().getName(), type.getDescriptor(), null, methodBegin, methodEnd, k);
                         k += type.getSize();
                     }
@@ -326,7 +342,7 @@ public class FunctionCodegen {
         generateDefaultIfNeeded(context, state, v, jvmSignature.getAsmMethod(), functionDescriptor, kind);
     }
 
-    public static void endVisit(MethodVisitor mv, String description, PsiElement method) {
+    public static void endVisit(MethodVisitor mv, @Nullable String description, @Nullable PsiElement method) {
         try {
             mv.visitMaxs(-1, -1);
         }
@@ -335,18 +351,30 @@ public class FunctionCodegen {
         }
         catch (Throwable t) {
             throw new CompilationException(
-                "wrong code generated" + (description != null ? " for " + description : "") + t.getClass().getName() + " " + t.getMessage(),
-                t, method);
+                    "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) {
+    static void generateBridgeIfNeeded(
+            CodegenContext owner,
+            GenerationState state,
+            ClassBuilder v,
+            Method jvmSignature,
+            FunctionDescriptor functionDescriptor,
+            OwnerKind kind
+    ) {
         if (kind == OwnerKind.TRAIT_IMPL) {
             return;
         }
 
-        Method method = state.getInjector().getJetTypeMapper().mapSignature(functionDescriptor.getName(), functionDescriptor).getAsmMethod();
+        Method method =
+                state.getInjector().getJetTypeMapper().mapSignature(functionDescriptor.getName(), functionDescriptor).getAsmMethod();
 
         Queue<FunctionDescriptor> bfsQueue = new LinkedList<FunctionDescriptor>();
         Set<FunctionDescriptor> visited = new HashSet<FunctionDescriptor>();
@@ -365,7 +393,8 @@ public class FunctionCodegen {
         while (!bfsQueue.isEmpty()) {
             FunctionDescriptor descriptor = bfsQueue.poll();
             if (descriptor.getKind() == CallableMemberDescriptor.Kind.DECLARATION) {
-                Method overridden = state.getInjector().getJetTypeMapper().mapSignature(descriptor.getName(), descriptor.getOriginal()).getAsmMethod();
+                Method overridden =
+                        state.getInjector().getJetTypeMapper().mapSignature(descriptor.getName(), descriptor.getOriginal()).getAsmMethod();
                 if (differentMethods(method, overridden)) {
                     bridgesToGenerate.add(overridden);
                 }
@@ -386,7 +415,14 @@ public class FunctionCodegen {
         }
     }
 
-    static void generateDefaultIfNeeded(CodegenContexts.MethodContext owner, GenerationState state, ClassBuilder v, Method jvmSignature, @Nullable FunctionDescriptor functionDescriptor, OwnerKind kind) {
+    static void generateDefaultIfNeeded(
+            CodegenContexts.MethodContext owner,
+            GenerationState state,
+            ClassBuilder v,
+            Method jvmSignature,
+            @Nullable FunctionDescriptor functionDescriptor,
+            OwnerKind kind
+    ) {
         DeclarationDescriptor contextClass = owner.getContextDescriptor().getContainingDeclaration();
 
         if (kind != OwnerKind.TRAIT_IMPL) {
@@ -395,8 +431,9 @@ public class FunctionCodegen {
                 PsiElement psiElement = BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), contextClass);
                 if (psiElement instanceof JetClass) {
                     JetClass element = (JetClass) psiElement;
-                    if (element.isTrait())
+                    if (element.isTrait()) {
                         return;
+                    }
                 }
             }
         }
@@ -428,14 +465,19 @@ public class FunctionCodegen {
                 ownerInternalName = NamespaceCodegen.getJVMClassNameForKotlinNs(DescriptorUtils.getFQName(contextClass).toSafe());
             }
             else {
-                ownerInternalName = JvmClassName.byType(state.getInjector().getJetTypeMapper().mapType(((ClassDescriptor) contextClass).getDefaultType(), MapTypeMode.IMPL));
+                ownerInternalName = JvmClassName.byType(state.getInjector().getJetTypeMapper()
+                                                                .mapType(((ClassDescriptor) contextClass).getDefaultType(),
+                                                                         MapTypeMode.IMPL));
             }
 
-            String descriptor = jvmSignature.getDescriptor().replace(")","I)");
+            String descriptor = jvmSignature.getDescriptor().replace(")", "I)");
             boolean isConstructor = "<init>".equals(jvmSignature.getName());
-            if (!isStatic && !isConstructor)
+            if (!isStatic && !isConstructor) {
                 descriptor = descriptor.replace("(", "(" + ownerInternalName.getDescriptor());
-            final MethodVisitor mv = v.newMethod(null, flags | (isConstructor ? 0 : ACC_STATIC), isConstructor ? "<init>" : jvmSignature.getName() + JvmAbi.DEFAULT_PARAMS_IMPL_SUFFIX, descriptor, null, null);
+            }
+            final MethodVisitor mv = v.newMethod(null, flags | (isConstructor ? 0 : ACC_STATIC),
+                                                 isConstructor ? "<init>" : jvmSignature.getName() + JvmAbi.DEFAULT_PARAMS_IMPL_SUFFIX,
+                                                 descriptor, null, null);
             InstructionAdapter iv = new InstructionAdapter(mv);
             if (state.getClassBuilderMode() == ClassBuilderMode.STUBS) {
                 StubCodegen.generateStubCode(mv);
@@ -469,7 +511,7 @@ public class FunctionCodegen {
                 List<ValueParameterDescriptor> paramDescrs = functionDescriptor.getValueParameters();
                 for (int i = 0; i < paramDescrs.size(); i++) {
                     int size = argTypes[i + (hasReceiver ? 1 : 0)].getSize();
-                    frameMap.enter(paramDescrs.get(i),size);
+                    frameMap.enter(paramDescrs.get(i), size);
                     var += size;
                 }
 
@@ -503,7 +545,8 @@ public class FunctionCodegen {
                         Label loadArg = new Label();
                         iv.ifeq(loadArg);
 
-                        JetParameter jetParameter = (JetParameter) BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), parameterDescriptor);
+                        JetParameter jetParameter =
+                                (JetParameter) BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), parameterDescriptor);
                         assert jetParameter != null;
                         codegen.gen(jetParameter.getDefaultValue(), t);
 
@@ -522,10 +565,12 @@ public class FunctionCodegen {
                         iv.invokeinterface(ownerInternalName.getInternalName(), jvmSignature.getName(), jvmSignature.getDescriptor());
                     }
                     else {
-                        if (!isConstructor)
+                        if (!isConstructor) {
                             iv.invokevirtual(ownerInternalName.getInternalName(), jvmSignature.getName(), jvmSignature.getDescriptor());
-                        else
+                        }
+                        else {
                             iv.invokespecial(ownerInternalName.getInternalName(), jvmSignature.getName(), jvmSignature.getDescriptor());
+                        }
                     }
                 }
                 else {
@@ -534,26 +579,38 @@ public class FunctionCodegen {
 
                 iv.areturn(jvmSignature.getReturnType());
 
-                endVisit(mv, "default method", BindingContextUtils.callableDescriptorToDeclaration(state.getBindingContext(), functionDescriptor));
+                endVisit(mv, "default method",
+                         BindingContextUtils.callableDescriptorToDeclaration(state.getBindingContext(), functionDescriptor));
                 mv.visitEnd();
             }
         }
     }
 
     private static boolean differentMethods(Method method, Method overridden) {
-        if (!method.getReturnType().equals(overridden.getReturnType()))
+        if (!method.getReturnType().equals(overridden.getReturnType())) {
             return true;
+        }
         Type[] methodArgumentTypes = method.getArgumentTypes();
         Type[] overriddenArgumentTypes = overridden.getArgumentTypes();
-        if (methodArgumentTypes.length != overriddenArgumentTypes.length)
+        if (methodArgumentTypes.length != overriddenArgumentTypes.length) {
             return true;
-        for(int i = 0; i != methodArgumentTypes.length; ++i)
-            if (!methodArgumentTypes[i].equals(overriddenArgumentTypes[i]))
+        }
+        for (int i = 0; i != methodArgumentTypes.length; ++i) {
+            if (!methodArgumentTypes[i].equals(overriddenArgumentTypes[i])) {
                 return true;
+            }
+        }
         return false;
     }
-    
-    private static void generateBridge(CodegenContext owner, GenerationState state, ClassBuilder v, Method jvmSignature, FunctionDescriptor functionDescriptor, Method overridden) {
+
+    private static void generateBridge(
+            CodegenContext owner,
+            GenerationState state,
+            ClassBuilder v,
+            Method jvmSignature,
+            FunctionDescriptor functionDescriptor,
+            Method overridden
+    ) {
         int flags = ACC_PUBLIC | ACC_BRIDGE; // TODO.
 
         final MethodVisitor mv = v.newMethod(null, flags, jvmSignature.getName(), overridden.getDescriptor(), null, null);
@@ -584,21 +641,30 @@ public class FunctionCodegen {
             iv.invokevirtual(state.getInjector().getJetTypeMapper().mapType(
                     ((ClassDescriptor) owner.getContextDescriptor()).getDefaultType(), MapTypeMode.VALUE).getInternalName(),
                              jvmSignature.getName(), jvmSignature.getDescriptor());
-            if (JetTypeMapper.isPrimitive(jvmSignature.getReturnType()) && !JetTypeMapper.isPrimitive(overridden.getReturnType()))
+            if (JetTypeMapper.isPrimitive(jvmSignature.getReturnType()) && !JetTypeMapper.isPrimitive(overridden.getReturnType())) {
                 StackValue.valueOf(iv, jvmSignature.getReturnType());
-            if (jvmSignature.getReturnType() == Type.VOID_TYPE)
+            }
+            if (jvmSignature.getReturnType() == Type.VOID_TYPE) {
                 iv.aconst(null);
+            }
             iv.areturn(overridden.getReturnType());
-            endVisit(mv, "bridge method", BindingContextUtils.callableDescriptorToDeclaration(state.getBindingContext(), functionDescriptor));
+            endVisit(mv, "bridge method",
+                     BindingContextUtils.callableDescriptorToDeclaration(state.getBindingContext(), functionDescriptor));
         }
     }
 
     public void genDelegate(FunctionDescriptor functionDescriptor, CallableMemberDescriptor overriddenDescriptor, StackValue field) {
-        JvmMethodSignature jvmMethodSignature = state.getInjector().getJetTypeMapper().mapSignature(functionDescriptor.getName(), functionDescriptor);
+        JvmMethodSignature jvmMethodSignature =
+                state.getInjector().getJetTypeMapper().mapSignature(functionDescriptor.getName(), functionDescriptor);
         genDelegate(functionDescriptor, overriddenDescriptor, field, jvmMethodSignature);
     }
 
-    public void genDelegate(CallableMemberDescriptor functionDescriptor, CallableMemberDescriptor overriddenDescriptor, StackValue field, JvmMethodSignature jvmMethodSignature) {
+    public void genDelegate(
+            CallableMemberDescriptor functionDescriptor,
+            CallableMemberDescriptor overriddenDescriptor,
+            StackValue field,
+            JvmMethodSignature jvmMethodSignature
+    ) {
         Method method = jvmMethodSignature.getAsmMethod();
         int flags = ACC_PUBLIC | ACC_SYNTHETIC; // TODO.
 
@@ -629,11 +695,14 @@ public class FunctionCodegen {
             iv.load(0, JetTypeMapper.TYPE_OBJECT);
             field.put(field.type, iv);
             ClassDescriptor classDescriptor = (ClassDescriptor) overriddenDescriptor.getContainingDeclaration();
-            String internalName = state.getInjector().getJetTypeMapper().mapType(classDescriptor.getDefaultType(), MapTypeMode.VALUE).getInternalName();
-            if (classDescriptor.getKind() == ClassKind.TRAIT)
+            String internalName =
+                    state.getInjector().getJetTypeMapper().mapType(classDescriptor.getDefaultType(), MapTypeMode.VALUE).getInternalName();
+            if (classDescriptor.getKind() == ClassKind.TRAIT) {
                 iv.invokeinterface(internalName, method.getName(), method.getDescriptor());
-            else
+            }
+            else {
                 iv.invokevirtual(internalName, method.getName(), method.getDescriptor());
+            }
             iv.areturn(method.getReturnType());
             endVisit(mv, "delegate method", BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), functionDescriptor));
         }

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

@@ -19,19 +19,19 @@
  */
 package org.jetbrains.jet.codegen;
 
-import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.asm4.Type;
 import org.jetbrains.asm4.commons.Method;
+import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class GeneratedAnonymousClassDescriptor {
     private final JvmClassName classname;
-    private Method constructor;
+    private final Method constructor;
     private final Type captureThis;
     private final Type captureReceiver;
-    private List<StackValue> args = new ArrayList<StackValue>();
+    private final List<StackValue> args = new ArrayList<StackValue>();
 
     public GeneratedAnonymousClassDescriptor(JvmClassName classname, Method constructor, Type captureThis, Type captureReceiver) {
         this.classname = classname;

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

@@ -19,15 +19,11 @@ package org.jetbrains.jet.codegen;
 import org.jetbrains.annotations.NotNull;
 
 /**
-* @author yole
-*/
+ * @author yole
+ */
 public class GeneratedClassLoader extends ClassLoader {
     private ClassFileFactory state;
 
-    public GeneratedClassLoader(@NotNull ClassFileFactory state) {
-        this(state, GeneratedClassLoader.class.getClassLoader());
-    }
-
     public GeneratedClassLoader(@NotNull ClassFileFactory state, ClassLoader parentClassLoader) {
         super(parentClassLoader);
         this.state = state;

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

@@ -62,8 +62,10 @@ public class GenerationState {
         this(builderFactory, Progress.DEAF, analyzeExhaust, files, BuiltinToJavaTypesMapping.ENABLED);
     }
 
-    public GenerationState(ClassBuilderFactory builderFactory, Progress progress,
-            @NotNull AnalyzeExhaust exhaust, @NotNull List<JetFile> files, @NotNull BuiltinToJavaTypesMapping builtinToJavaTypesMapping) {
+    public GenerationState(
+            ClassBuilderFactory builderFactory, Progress progress,
+            @NotNull AnalyzeExhaust exhaust, @NotNull List<JetFile> files, @NotNull BuiltinToJavaTypesMapping builtinToJavaTypesMapping
+    ) {
         this.progress = progress;
         this.analyzeExhaust = exhaust;
         this.files = files;
@@ -90,6 +92,7 @@ public class GenerationState {
         return progress;
     }
 
+    @NotNull
     public InjectorForJvmCodegen getInjector() {
         return injector;
     }
@@ -112,15 +115,17 @@ public class GenerationState {
     }
 
     public ClassBuilder forClassImplementation(ClassDescriptor aClass) {
-        return getFactory().newVisitor(getInjector().getJetTypeMapper().mapType(aClass.getDefaultType(), MapTypeMode.IMPL).getInternalName() + ".class");
+        return getFactory().newVisitor(
+                getInjector().getJetTypeMapper().mapType(aClass.getDefaultType(), MapTypeMode.IMPL).getInternalName() + ".class");
     }
 
-    public ClassBuilder forNamespacepart(String name, JetFile file) {
+    public ClassBuilder forNamespacepart(String name) {
         return getFactory().newVisitor(name + ".class");
     }
 
     public ClassBuilder forTraitImplementation(ClassDescriptor aClass) {
-        return getFactory().newVisitor(getInjector().getJetTypeMapper().mapType(aClass.getDefaultType(), MapTypeMode.TRAIT_IMPL).getInternalName() + ".class");
+        return getFactory().newVisitor(
+                getInjector().getJetTypeMapper().mapType(aClass.getDefaultType(), MapTypeMode.TRAIT_IMPL).getInternalName() + ".class");
     }
 
     public Pair<JvmClassName, ClassBuilder> forAnonymousSubclass(JetExpression expression) {
@@ -142,7 +147,9 @@ public class GenerationState {
         for (JetFile file : this.files) {
             if (file.isScript()) {
                 String name = ScriptNameUtil.classNameForScript(file);
-                injector.getClosureAnnotator().registerClassNameForScript(file.getScript(), JvmClassName.byInternalName(name));
+                JetScript script = file.getScript();
+                assert script != null;
+                injector.getClosureAnnotator().registerClassNameForScript(script, JvmClassName.byInternalName(name));
             }
         }
 
@@ -165,7 +172,8 @@ public class GenerationState {
             @NotNull JetScript script,
             @NotNull JvmClassName className,
             @NotNull List<Pair<ScriptDescriptor, JvmClassName>> earlierScripts,
-            @NotNull CompilationErrorHandler errorHandler) {
+            @NotNull CompilationErrorHandler errorHandler
+    ) {
 
         injector.getScriptCodegen().registerEarlierScripts(earlierScripts);
         injector.getClosureAnnotator().registerClassNameForScript(script, className);
@@ -191,14 +199,18 @@ public class GenerationState {
         closure.cv = nameAndVisitor.getSecond();
         closure.name = nameAndVisitor.getFirst();
         final CodegenContext objectContext = closure.context.intoAnonymousClass(
-                closure, analyzeExhaust.getBindingContext().get(BindingContext.CLASS, objectDeclaration), OwnerKind.IMPLEMENTATION, injector.getJetTypeMapper());
+                closure, analyzeExhaust.getBindingContext().get(BindingContext.CLASS, objectDeclaration), OwnerKind.IMPLEMENTATION,
+                injector.getJetTypeMapper());
 
         new ImplementationBodyCodegen(objectDeclaration, objectContext, nameAndVisitor.getSecond(), this).generate();
 
         ConstructorDescriptor constructorDescriptor = analyzeExhaust.getBindingContext().get(BindingContext.CONSTRUCTOR, objectDeclaration);
+        assert constructorDescriptor != null;
         CallableMethod callableMethod = injector.getJetTypeMapper().mapToCallableMethod(
-                constructorDescriptor, OwnerKind.IMPLEMENTATION, injector.getJetTypeMapper().hasThis0(constructorDescriptor.getContainingDeclaration()));
-        return new GeneratedAnonymousClassDescriptor(nameAndVisitor.first, callableMethod.getSignature().getAsmMethod(), objectContext.outerWasUsed, null);
+                constructorDescriptor, OwnerKind.IMPLEMENTATION,
+                injector.getJetTypeMapper().hasThis0(constructorDescriptor.getContainingDeclaration()));
+        return new GeneratedAnonymousClassDescriptor(nameAndVisitor.first, callableMethod.getSignature().getAsmMethod(),
+                                                     objectContext.outerWasUsed, null);
     }
 
     public String createText() {
@@ -207,10 +219,10 @@ public class GenerationState {
         final ClassFileFactory factory = getFactory();
         List<String> files = factory.files();
         for (String file : files) {
-//            if (!file.startsWith("kotlin/")) {
-                answer.append("@").append(file).append('\n');
-                answer.append(factory.asText(file));
-//            }
+            //            if (!file.startsWith("kotlin/")) {
+            answer.append("@").append(file).append('\n');
+            answer.append(factory.asText(file));
+            //            }
         }
 
         return answer.toString();

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

@@ -21,6 +21,11 @@ import com.intellij.openapi.progress.ProcessCanceledException;
 import com.intellij.openapi.util.Pair;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.AnnotationVisitor;
+import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.asm4.commons.Method;
 import org.jetbrains.jet.codegen.signature.*;
 import org.jetbrains.jet.codegen.signature.kotlin.JetMethodAnnotationWriter;
 import org.jetbrains.jet.codegen.signature.kotlin.JetValueParameterAnnotationWriter;
@@ -38,16 +43,11 @@ import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.JetStandardLibrary;
 import org.jetbrains.jet.lexer.JetTokens;
 import org.jetbrains.jet.utils.BitSetUtils;
-import org.jetbrains.asm4.AnnotationVisitor;
-import org.jetbrains.asm4.MethodVisitor;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
-import org.jetbrains.asm4.commons.Method;
 
 import java.util.*;
 
-import static org.jetbrains.jet.codegen.JetTypeMapper.TYPE_OBJECT;
 import static org.jetbrains.asm4.Opcodes.*;
+import static org.jetbrains.jet.codegen.JetTypeMapper.TYPE_OBJECT;
 
 /**
  * @author max
@@ -139,12 +139,13 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
             }
             access |= ACC_ENUM;
         }
+        List<String> interfaces = signature.getInterfaces();
         v.defineClass(myClass, V1_6,
                       access,
                       signature.getName(),
                       signature.getJavaGenericSignature(),
                       signature.getSuperclassName(),
-                      signature.getInterfaces().toArray(new String[0])
+                      interfaces.toArray(new String[interfaces.size()])
         );
         v.visitSource(myClass.getContainingFile().getName(), null);
 
@@ -185,7 +186,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
         AnnotationCodegen.forClass(v.getVisitor(), typeMapper).genAnnotations(descriptor);
 
         if (signature.getKotlinGenericSignature() != null || descriptor.getVisibility() != Visibilities.PUBLIC) {
-            AnnotationVisitor annotationVisitor = v.newAnnotation(myClass, JvmStdlibNames.JET_CLASS.getDescriptor(), true);
+            AnnotationVisitor annotationVisitor = v.newAnnotation(JvmStdlibNames.JET_CLASS.getDescriptor(), true);
             annotationVisitor.visit(JvmStdlibNames.JET_CLASS_SIGNATURE, signature.getKotlinGenericSignature());
             BitSet flags = CodegenUtil.getFlagsForVisibility(descriptor.getVisibility());
             int flagsValue = BitSetUtils.toInt(flags);
@@ -286,6 +287,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                 ClassDescriptor superClassDescriptor = (ClassDescriptor) superType.getConstructor().getDeclarationDescriptor();
                 if (!CodegenUtil.isInterface(superClassDescriptor)) {
                     superClassType = superType;
+                    assert superClassDescriptor != null;
                     superClass = typeMapper.mapType(superClassDescriptor.getDefaultType(), MapTypeMode.IMPL).getInternalName();
                     superCall = specifier;
                 }
@@ -412,10 +414,12 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                 Method originalMethod = originalSignature.getJvmMethodSignature().getAsmMethod();
                 MethodVisitor mv =
                         v.newMethod(null, ACC_BRIDGE | ACC_SYNTHETIC | ACC_STATIC, method.getName(), method.getDescriptor(), null, null);
+                PropertyGetterDescriptor getter = ((PropertyDescriptor) entry.getValue()).getGetter();
+                assert getter != null;
                 PropertyCodegen.generateJetPropertyAnnotation(mv, originalSignature.getPropertyTypeKotlinSignature(),
                                                               originalSignature.getJvmMethodSignature().getKotlinTypeParameter(),
                                                               original,
-                                                              ((PropertyDescriptor) entry.getValue()).getGetter().getVisibility());
+                                                              getter.getVisibility());
                 if (state.getClassBuilderMode() == ClassBuilderMode.STUBS) {
                     StubCodegen.generateStubCode(mv);
                 }
@@ -445,10 +449,12 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                 Method originalMethod = originalSignature2.getJvmMethodSignature().getAsmMethod();
                 MethodVisitor mv =
                         v.newMethod(null, ACC_STATIC | ACC_BRIDGE | ACC_FINAL, method.getName(), method.getDescriptor(), null, null);
+                PropertySetterDescriptor setter = ((PropertyDescriptor) entry.getValue()).getSetter();
+                assert setter != null;
                 PropertyCodegen.generateJetPropertyAnnotation(mv, originalSignature2.getPropertyTypeKotlinSignature(),
                                                               originalSignature2.getJvmMethodSignature().getKotlinTypeParameter(),
                                                               original,
-                                                              ((PropertyDescriptor) entry.getValue()).getSetter().getVisibility());
+                                                              setter.getVisibility());
                 if (state.getClassBuilderMode() == ClassBuilderMode.STUBS) {
                     StubCodegen.generateStubCode(mv);
                 }
@@ -506,6 +512,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
         final JetClassObject classObject = getClassObject();
         if (classObject != null) {
             final ClassDescriptor descriptor1 = bindingContext.get(BindingContext.CLASS, classObject.getObjectDeclaration());
+            assert descriptor1 != null;
             Type type = Type.getObjectType(typeMapper.mapType(descriptor1.getDefaultType(), MapTypeMode.VALUE).getInternalName());
             v.newField(classObject, ACC_PUBLIC | ACC_STATIC, "$classobj", type.getDescriptor(), null, null);
 
@@ -513,6 +520,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                 @Override
                 public void generate(InstructionAdapter v) {
                     final ClassDescriptor descriptor1 = bindingContext.get(BindingContext.CLASS, classObject.getObjectDeclaration());
+                    assert descriptor1 != null;
                     String name = typeMapper.mapType(descriptor1.getDefaultType(), MapTypeMode.IMPL).getInternalName();
                     final Type classObjectType = Type.getObjectType(name);
                     v.anew(classObjectType);
@@ -649,7 +657,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                 DeclarationDescriptor declarationDescriptor = bindingContext.get(BindingContext.REFERENCE_TARGET,
                                                                                  ((JetDelegatorToSuperCall) superCall).getCalleeExpression()
                                                                                          .getConstructorReferenceExpression());
-                if (declarationDescriptor instanceof ClassDescriptor) {
+                if (declarationDescriptor instanceof ClassDescriptorFromSource) {
                     declarationDescriptor = ((ClassDescriptorFromSource) declarationDescriptor).getUnsubstitutedPrimaryConstructor();
                 }
                 ConstructorDescriptor superConstructor = (ConstructorDescriptor) declarationDescriptor;
@@ -795,7 +803,6 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                 k += closure.captureReceiver.getSize();
             }
 
-            int l = 0;
             for (DeclarationDescriptor varDescr : closure.closure.keySet()) {
                 if (varDescr instanceof VariableDescriptor && !(varDescr instanceof PropertyDescriptor)) {
                     Type sharedVarType = typeMapper.getSharedVarType(varDescr);
@@ -807,7 +814,6 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                     k += StackValue.refType(sharedVarType).getSize();
                     iv.putfield(typeMapper.mapType(descriptor.getDefaultType(), MapTypeMode.VALUE).getInternalName(),
                                 "$" + varDescr.getName(), sharedVarType.getDescriptor());
-                    l++;
                 }
             }
         }
@@ -874,7 +880,6 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
         }
 
         for (Pair<CallableMemberDescriptor, CallableMemberDescriptor> needDelegates : getTraitImplementations(descriptor)) {
-            CallableMemberDescriptor callableDescriptor = needDelegates.first;
             if (needDelegates.second instanceof SimpleFunctionDescriptor) {
                 generateDelegationToTraitImpl((FunctionDescriptor) needDelegates.second, (FunctionDescriptor) needDelegates.first);
             }
@@ -938,7 +943,9 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                     aw.writePropertyType(jvmSignature.getKotlinReturnType());
                 }
                 else {
-                    aw.writeNullableReturnType(fun.getReturnType().isNullable());
+                    JetType returnType = fun.getReturnType();
+                    assert returnType != null;
+                    aw.writeNullableReturnType(returnType.isNullable());
                     aw.writeTypeParameters(jvmSignature.getKotlinTypeParameter());
                     aw.writeReturnType(jvmSignature.getKotlinReturnType());
                 }
@@ -1019,6 +1026,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                                                                                                 ((JetDelegatorToSuperCall) superCall)
                                                                                                         .getCalleeExpression()
                                                                                                         .getConstructorReferenceExpression());
+            assert superConstructor != null;
             CallableMethod superCallable = typeMapper.mapToCallableMethod(superConstructor, OwnerKind.IMPLEMENTATION,
                                                                           typeMapper.hasThis0(superConstructor.getContainingDeclaration()));
             int nextVar = firstSuperArgument + 1;
@@ -1101,6 +1109,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
                     final JetDelegatorToSuperCall superCall = (JetDelegatorToSuperCall) specifier;
                     ConstructorDescriptor constructorDescriptor = (ConstructorDescriptor) bindingContext
                             .get(BindingContext.REFERENCE_TARGET, superCall.getCalleeExpression().getConstructorReferenceExpression());
+                    assert constructorDescriptor != null;
                     CallableMethod method = typeMapper.mapToCallableMethod(constructorDescriptor, OwnerKind.IMPLEMENTATION, typeMapper
                             .hasThis0(constructorDescriptor.getContainingDeclaration()));
                     codegen.invokeMethodWithArguments(method, superCall, StackValue.none());

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

@@ -20,6 +20,8 @@ import com.google.common.collect.Maps;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Opcodes;
+import org.jetbrains.asm4.Type;
 import org.jetbrains.jet.codegen.signature.BothSignatureWriter;
 import org.jetbrains.jet.codegen.signature.JvmMethodParameterKind;
 import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
@@ -42,12 +44,13 @@ import org.jetbrains.jet.lang.types.lang.JetStandardLibrary;
 import org.jetbrains.jet.lang.types.lang.JetStandardLibraryNames;
 import org.jetbrains.jet.lang.types.lang.PrimitiveType;
 import org.jetbrains.jet.lang.types.ref.ClassName;
-import org.jetbrains.asm4.Opcodes;
-import org.jetbrains.asm4.Type;
 
 import javax.annotation.PostConstruct;
 import javax.inject.Inject;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
 
 import static org.jetbrains.asm4.Opcodes.*;
 
@@ -122,6 +125,7 @@ public class JetTypeMapper {
         @Nullable
         public Type get(@NotNull JetType type) {
             ClassifierDescriptor classifier = type.getConstructor().getDeclarationDescriptor();
+            assert classifier != null;
             return asmTypes.get(new SpecialTypeKey(DescriptorUtils.getFQName(classifier), type.isNullable()));
         }
 
@@ -435,6 +439,7 @@ public class JetTypeMapper {
                 throw new IllegalStateException("TRAIT_IMPL is not possible for " + jetType);
             }
             else if (kind == MapTypeMode.IMPL) {
+                //noinspection ConstantConditions
                 if (mapBuiltinsToJava) {
                     // TODO: enable and fix tests
                     //throw new IllegalStateException("must not map known type to IMPL when not compiling builtins: " + jetType);
@@ -756,7 +761,9 @@ public class JetTypeMapper {
         }
         else {
             signatureVisitor.writeReturnType();
-            mapReturnType(f.getReturnType(), signatureVisitor);
+            JetType returnType = f.getReturnType();
+            assert returnType != null;
+            mapReturnType(returnType, signatureVisitor);
             signatureVisitor.writeReturnTypeEnd();
         }
         return signatureVisitor.makeJvmMethodSignature(f.getName().getName());
@@ -847,7 +854,9 @@ public class JetTypeMapper {
         signatureWriter.writeParametersEnd();
 
         signatureWriter.writeReturnType();
-        mapReturnType(f.getReturnType(), signatureWriter);
+        JetType returnType = f.getReturnType();
+        assert returnType != null;
+        mapReturnType(returnType, signatureWriter);
         signatureWriter.writeReturnTypeEnd();
 
         return signatureWriter.makeJvmMethodSignature(name.getName());
@@ -868,7 +877,7 @@ public class JetTypeMapper {
         signatureWriter.writeParametersStart();
 
         if (kind == OwnerKind.TRAIT_IMPL) {
-            ClassDescriptor containingDeclaration = (ClassDescriptor) parentDescriptor;
+            @SuppressWarnings("ConstantConditions") ClassDescriptor containingDeclaration = (ClassDescriptor) parentDescriptor;
             signatureWriter.writeParameterType(JvmMethodParameterKind.THIS);
             mapType(containingDeclaration.getDefaultType(), signatureWriter, MapTypeMode.IMPL);
             signatureWriter.writeParameterTypeEnd();

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

@@ -20,12 +20,20 @@ package org.jetbrains.jet.codegen;
  * @author Stepan Koltsov
  */
 public enum MapTypeMode {
-    /** jet.Int is mapped to Ljet/Int; */
+    /**
+     * jet.Int is mapped to Ljet/Int;
+     */
     IMPL,
-    /** jet.Int is mapped to Ljet/Impl$TImpl; */
+    /**
+     * jet.Int is mapped to Ljet/Impl$TImpl;
+     */
     TRAIT_IMPL,
-    /** jet.Int is mapped to I */
+    /**
+     * jet.Int is mapped to I
+     */
     VALUE,
-    /** jet.Int is mapped to Ljava/lang/Integer; */
+    /**
+     * jet.Int is mapped to Ljava/lang/Integer;
+     */
     TYPE_PARAMETER,
 }

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

@@ -37,8 +37,10 @@ public class MemberCodegen {
     }
 
 
-    public void generateFunctionOrProperty(@NotNull JetTypeParameterListOwner functionOrProperty,
-            @NotNull CodegenContext context, @NotNull ClassBuilder classBuilder) {
+    public void generateFunctionOrProperty(
+            @NotNull JetTypeParameterListOwner functionOrProperty,
+            @NotNull CodegenContext context, @NotNull ClassBuilder classBuilder
+    ) {
         FunctionCodegen functionCodegen = new FunctionCodegen(context, classBuilder, state);
         if (functionOrProperty instanceof JetNamedFunction) {
             try {
@@ -66,5 +68,4 @@ public class MemberCodegen {
             throw new IllegalArgumentException("Unknown parameter: " + functionOrProperty);
         }
     }
-
 }

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

@@ -18,10 +18,12 @@ package org.jetbrains.jet.codegen;
 
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.progress.ProcessCanceledException;
-import com.intellij.openapi.util.Pair;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiFile;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
 import org.jetbrains.jet.lang.descriptors.PropertyDescriptor;
 import org.jetbrains.jet.lang.diagnostics.DiagnosticUtils;
@@ -32,11 +34,7 @@ import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.jet.lang.resolve.name.FqName;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.utils.Progress;
-import org.jetbrains.asm4.MethodVisitor;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
-import java.util.ArrayList;
 import java.util.Collection;
 
 import static org.jetbrains.asm4.Opcodes.*;
@@ -50,9 +48,13 @@ public class NamespaceCodegen {
     @NotNull private final FqName name;
     private final GenerationState state;
     private final Collection<JetFile> files;
-    private int nextMultiFile = 0;
 
-    public NamespaceCodegen(@NotNull ClassBuilderOnDemand v, @NotNull final FqName fqName, GenerationState state, Collection<JetFile> namespaceFiles) {
+    public NamespaceCodegen(
+            @NotNull ClassBuilderOnDemand v,
+            @NotNull final FqName fqName,
+            GenerationState state,
+            Collection<JetFile> namespaceFiles
+    ) {
         checkAllFilesHaveSameNamespace(namespaceFiles);
 
         this.v = v;
@@ -77,7 +79,6 @@ public class NamespaceCodegen {
                 v.visitSource(sourceFile.getName(), null);
             }
         });
-
     }
 
     public void generate(CompilationErrorHandler errorHandler, final Progress progress) {
@@ -101,7 +102,7 @@ public class NamespaceCodegen {
                 throw e;
             }
             catch (Throwable e) {
-                if(errorHandler != null) errorHandler.reportException(e, vFile == null ? "no file" : vFile.getUrl());
+                if (errorHandler != null) errorHandler.reportException(e, vFile == null ? "no file" : vFile.getUrl());
                 DiagnosticUtils.throwIfRunningOnServer(e);
                 if (ApplicationManager.getApplication().isInternal()) {
                     e.printStackTrace();
@@ -151,17 +152,17 @@ public class NamespaceCodegen {
             if (k > 0) {
                 PsiFile containingFile = file.getContainingFile();
                 String fname = containingFile.getName();
-                fname = fname.substring(0,fname.lastIndexOf('.'));
-                String className = name.child(Name.identifier("namespace$src$" + fname)).getFqName().replace('.','/');
-                ClassBuilder builder = state.forNamespacepart(className, file);
+                fname = fname.substring(0, fname.lastIndexOf('.'));
+                String className = name.child(Name.identifier("namespace$src$" + fname)).getFqName().replace('.', '/');
+                ClassBuilder builder = state.forNamespacepart(className);
 
                 builder.defineClass(containingFile, V1_6,
-                              ACC_PUBLIC/*|ACC_SUPER*/,
-                              className,
-                              null,
-                              //"jet/lang/Namespace",
-                              "java/lang/Object",
-                              new String[0]
+                                    ACC_PUBLIC/*|ACC_SUPER*/,
+                                    className,
+                                    null,
+                                    //"jet/lang/Namespace",
+                                    "java/lang/Object",
+                                    new String[0]
                 );
                 builder.visitSource(containingFile.getName(), null);
 
@@ -169,11 +170,13 @@ public class NamespaceCodegen {
                     if (declaration instanceof JetNamedFunction) {
                         {
                             final CodegenContext context = CodegenContexts.STATIC.intoNamespace(descriptor);
-                            state.getInjector().getMemberCodegen().generateFunctionOrProperty((JetTypeParameterListOwner) declaration, context, builder);
+                            state.getInjector().getMemberCodegen()
+                                    .generateFunctionOrProperty((JetTypeParameterListOwner) declaration, context, builder);
                         }
                         {
                             final CodegenContext context = CodegenContexts.STATIC.intoNamespacePart(className, descriptor);
-                            state.getInjector().getMemberCodegen().generateFunctionOrProperty((JetTypeParameterListOwner) declaration, context, v.getClassBuilder());
+                            state.getInjector().getMemberCodegen()
+                                    .generateFunctionOrProperty((JetTypeParameterListOwner) declaration, context, v.getClassBuilder());
                         }
                     }
                 }
@@ -234,7 +237,8 @@ public class NamespaceCodegen {
                             if (declaration instanceof JetProperty) {
                                 final JetExpression initializer = ((JetProperty) declaration).getInitializer();
                                 if (initializer != null && !(initializer instanceof JetConstantExpression)) {
-                                    final PropertyDescriptor descriptor = (PropertyDescriptor) state.getBindingContext().get(BindingContext.VARIABLE, declaration);
+                                    final PropertyDescriptor descriptor =
+                                            (PropertyDescriptor) state.getBindingContext().get(BindingContext.VARIABLE, declaration);
                                     assert descriptor != null;
                                     codegen.genToJVMStack(initializer);
                                     StackValue.Property propValue = codegen.intermediateValueForProperty(descriptor, true, null);
@@ -260,7 +264,6 @@ public class NamespaceCodegen {
                     if (initializer != null && !(initializer instanceof JetConstantExpression)) {
                         return true;
                     }
-
                 }
             }
         }

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

@@ -17,13 +17,13 @@
 package org.jetbrains.jet.codegen;
 
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Opcodes;
+import org.jetbrains.asm4.Type;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.psi.JetDelegatorToSuperCall;
 import org.jetbrains.jet.lang.psi.JetElement;
 import org.jetbrains.jet.lang.resolve.BindingContextUtils;
 import org.jetbrains.jet.lang.resolve.java.JvmClassName;
-import org.jetbrains.asm4.Opcodes;
-import org.jetbrains.asm4.Type;
 
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -40,7 +40,8 @@ public class ObjectOrClosureCodegen {
     protected final CodegenContext context;
     protected ClassBuilder cv = null;
     public JvmClassName name = null;
-    protected Map<DeclarationDescriptor, EnclosedValueDescriptor> closure = new LinkedHashMap<DeclarationDescriptor, EnclosedValueDescriptor>();
+    protected Map<DeclarationDescriptor, EnclosedValueDescriptor> closure =
+            new LinkedHashMap<DeclarationDescriptor, EnclosedValueDescriptor>();
     public JetDelegatorToSuperCall superCall;
 
     public ObjectOrClosureCodegen(ExpressionCodegen exprContext, CodegenContext context, GenerationState state) {
@@ -69,8 +70,8 @@ public class ObjectOrClosureCodegen {
             StackValue outerValue = StackValue.local(idx, type);
             final String fieldName = "$" + vd.getName();
             StackValue innerValue = sharedVarType != null
-                    ? StackValue.fieldForSharedVar(localType, name, fieldName)
-                    : StackValue.field(type, name, fieldName, false);
+                                    ? StackValue.fieldForSharedVar(localType, name, fieldName)
+                                    : StackValue.field(type, name, fieldName, false);
 
             cv.newField(null, Opcodes.ACC_PUBLIC, fieldName, type.getDescriptor(), null, null);
 
@@ -111,10 +112,12 @@ public class ObjectOrClosureCodegen {
 
             CodegenContexts.ReceiverContext fcontext = (CodegenContexts.ReceiverContext) context;
 
-            if (fcontext.getReceiverDescriptor() != fd)
+            if (fcontext.getReceiverDescriptor() != fd) {
                 return null;
+            }
 
-            Type type = state.getInjector().getJetTypeMapper().mapType(fcontext.getReceiverDescriptor().getReceiverParameter().getType(), MapTypeMode.VALUE);
+            Type type = state.getInjector().getJetTypeMapper()
+                    .mapType(fcontext.getReceiverDescriptor().getReceiverParameter().getType(), MapTypeMode.VALUE);
             boolean isStatic = fcontext.getContextDescriptor().getContainingDeclaration() instanceof NamespaceDescriptor;
             StackValue outerValue = StackValue.local(isStatic ? 0 : 1, type);
             final String fieldName = "receiver$0";
@@ -134,7 +137,7 @@ public class ObjectOrClosureCodegen {
         return null;
     }
 
-    public boolean isConst () {
+    public boolean isConst() {
         return captureThis == null && captureReceiver == null && closure.isEmpty();
     }
 }

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

@@ -50,19 +50,13 @@ public class OwnerKind {
     }
 
     public static class StaticDelegateKind extends OwnerKind {
-        private final StackValue delegate;
         private final String ownerClass;
 
-        public StaticDelegateKind(StackValue delegate, String ownerClass) {
+        public StaticDelegateKind(String ownerClass) {
             super("staticDelegateKind");
-            this.delegate = delegate;
             this.ownerClass = ownerClass;
         }
 
-        public StackValue getDelegate() {
-            return delegate;
-        }
-
         public String getOwnerClass() {
             return ownerClass;
         }

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

@@ -1,84 +0,0 @@
-/*
- * Copyright 2010-2012 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.jet.codegen;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
-import org.jetbrains.jet.lang.resolve.scopes.JetScope;
-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 java.util.ArrayList;
-import java.util.List;
-
-/**
- * @author alex.tkachman
- *
- * Utility class used by back-end to
- */
-public class ProjectionErasingJetType implements JetType {
-    private final JetType delegate;
-    private List<TypeProjection> arguments;
-
-    public ProjectionErasingJetType(JetType delegate) {
-        this.delegate = delegate;
-        arguments = new ArrayList<TypeProjection>();
-        for(TypeProjection tp : delegate.getArguments()) {
-            arguments.add(new TypeProjection(Variance.INVARIANT, tp.getType()));
-        }
-    }
-
-    @NotNull
-    @Override
-    public TypeConstructor getConstructor() {
-        return delegate.getConstructor();
-    }
-
-    @NotNull
-    @Override
-    public List<TypeProjection> getArguments() {
-        return arguments;
-    }
-
-    @Override
-    public boolean isNullable() {
-        return false;
-    }
-
-    @NotNull
-    @Override
-    public JetScope getMemberScope() {
-        return delegate.getMemberScope();
-    }
-
-    @Override
-    public List<AnnotationDescriptor> getAnnotations() {
-        return delegate.getAnnotations();
-    }
-
-    @Override
-    public int hashCode() {
-        return delegate.hashCode();
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        return ((obj instanceof ProjectionErasingJetType) && delegate.equals(((ProjectionErasingJetType)obj).delegate)) || delegate.equals(obj);
-    }
-}

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

@@ -19,8 +19,13 @@ package org.jetbrains.jet.codegen;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.codegen.signature.kotlin.JetMethodAnnotationWriter;
+import org.jetbrains.asm4.FieldVisitor;
+import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.asm4.Opcodes;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.signature.JvmPropertyAccessorSignature;
+import org.jetbrains.jet.codegen.signature.kotlin.JetMethodAnnotationWriter;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.BindingContext;
@@ -31,11 +36,6 @@ import org.jetbrains.jet.lang.resolve.java.JvmAbi;
 import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.lang.JetStandardLibrary;
-import org.jetbrains.asm4.FieldVisitor;
-import org.jetbrains.asm4.MethodVisitor;
-import org.jetbrains.asm4.Opcodes;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.BitSet;
 
@@ -62,9 +62,10 @@ public class PropertyCodegen {
             throw new UnsupportedOperationException("expect a property to have a property descriptor");
         }
         final PropertyDescriptor propertyDescriptor = (PropertyDescriptor) descriptor;
-        if (kind == OwnerKind.NAMESPACE || kind == OwnerKind.IMPLEMENTATION || kind ==OwnerKind.TRAIT_IMPL ) {
-            if (kind != OwnerKind.TRAIT_IMPL)
+        if (kind == OwnerKind.NAMESPACE || kind == OwnerKind.IMPLEMENTATION || kind == OwnerKind.TRAIT_IMPL) {
+            if (kind != OwnerKind.TRAIT_IMPL) {
                 generateBackingField(p, propertyDescriptor);
+            }
             generateGetter(p, propertyDescriptor);
             generateSetter(p, propertyDescriptor);
         }
@@ -77,13 +78,15 @@ public class PropertyCodegen {
     }
 
     public void generateBackingField(PsiElement p, PropertyDescriptor propertyDescriptor) {
+        //noinspection ConstantConditions
         if (state.getBindingContext().get(BindingContext.BACKING_FIELD_REQUIRED, propertyDescriptor)) {
             DeclarationDescriptor containingDeclaration = propertyDescriptor.getContainingDeclaration();
-            if (CodegenUtil.isInterface(containingDeclaration))
+            if (CodegenUtil.isInterface(containingDeclaration)) {
                 return;
+            }
 
             Object value = null;
-            final JetExpression initializer = p instanceof JetProperty ? ((JetProperty)p).getInitializer() : null;
+            final JetExpression initializer = p instanceof JetProperty ? ((JetProperty) p).getInitializer() : null;
             if (initializer != null) {
                 if (initializer instanceof JetConstantExpression) {
                     CompileTimeConstant<?> compileTimeValue = state.getBindingContext().get(BindingContext.COMPILE_TIME_VALUE, initializer);
@@ -113,8 +116,10 @@ public class PropertyCodegen {
         final JetPropertyAccessor getter = p.getGetter();
         if (getter != null) {
             if (getter.getBodyExpression() != null) {
-                JvmPropertyAccessorSignature signature = state.getInjector().getJetTypeMapper().mapGetterSignature(propertyDescriptor, kind);
-                functionCodegen.generateMethod(getter, signature.getJvmMethodSignature(), true, signature.getPropertyTypeKotlinSignature(), propertyDescriptor.getGetter());
+                JvmPropertyAccessorSignature signature =
+                        state.getInjector().getJetTypeMapper().mapGetterSignature(propertyDescriptor, kind);
+                functionCodegen.generateMethod(getter, signature.getJvmMethodSignature(), true, signature.getPropertyTypeKotlinSignature(),
+                                               propertyDescriptor.getGetter());
             }
             else if (isExternallyAccessible(propertyDescriptor)) {
                 generateDefaultGetter(p);
@@ -136,8 +141,11 @@ public class PropertyCodegen {
             if (setter.getBodyExpression() != null) {
                 final PropertySetterDescriptor setterDescriptor = propertyDescriptor.getSetter();
                 assert setterDescriptor != null;
-                JvmPropertyAccessorSignature signature = state.getInjector().getJetTypeMapper().mapSetterSignature(propertyDescriptor, kind);
-                functionCodegen.generateMethod(setter, signature.getJvmMethodSignature(), true, signature.getPropertyTypeKotlinSignature(), setterDescriptor);
+                JvmPropertyAccessorSignature signature =
+                        state.getInjector().getJetTypeMapper().mapSetterSignature(propertyDescriptor, kind);
+                assert signature != null;
+                functionCodegen.generateMethod(setter, signature.getJvmMethodSignature(), true, signature.getPropertyTypeKotlinSignature(),
+                                               setterDescriptor);
             }
             else if (isExternallyAccessible(propertyDescriptor)) {
                 generateDefaultSetter(p);
@@ -151,7 +159,10 @@ public class PropertyCodegen {
     private void generateDefaultGetter(JetProperty p) {
         final PropertyDescriptor propertyDescriptor = (PropertyDescriptor) state.getBindingContext().get(BindingContext.VARIABLE, p);
         assert propertyDescriptor != null;
-        int flags = JetTypeMapper.getAccessModifiers(propertyDescriptor, 0) | (propertyDescriptor.getModality() == Modality.ABSTRACT ? Opcodes.ACC_ABSTRACT : (propertyDescriptor.getModality() == Modality.FINAL ? Opcodes.ACC_FINAL : 0));
+        int flags = JetTypeMapper.getAccessModifiers(propertyDescriptor, 0) |
+                    (propertyDescriptor.getModality() == Modality.ABSTRACT
+                     ? Opcodes.ACC_ABSTRACT
+                     : (propertyDescriptor.getModality() == Modality.FINAL ? Opcodes.ACC_FINAL : 0));
         generateDefaultGetter(propertyDescriptor, flags, p);
     }
 
@@ -168,10 +179,12 @@ public class PropertyCodegen {
             flags |= Opcodes.ACC_STATIC;
         }
 
-        PsiElement psiElement = BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), propertyDescriptor.getContainingDeclaration());
+        PsiElement psiElement =
+                BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), propertyDescriptor.getContainingDeclaration());
         boolean isTrait = psiElement instanceof JetClass && ((JetClass) psiElement).isTrait();
-        if (isTrait && !(kind instanceof OwnerKind.DelegateKind))
+        if (isTrait && !(kind instanceof OwnerKind.DelegateKind)) {
             flags |= Opcodes.ACC_ABSTRACT;
+        }
 
         if (propertyDescriptor.getModality() == Modality.FINAL) {
             flags |= Opcodes.ACC_FINAL;
@@ -181,19 +194,21 @@ public class PropertyCodegen {
         final String descriptor = signature.getJvmMethodSignature().getAsmMethod().getDescriptor();
         String getterName = getterName(propertyDescriptor.getName());
         MethodVisitor mv = v.newMethod(origin, flags, getterName, descriptor, null, null);
+        PropertyGetterDescriptor getter = propertyDescriptor.getGetter();
         generateJetPropertyAnnotation(mv, signature.getPropertyTypeKotlinSignature(),
                                       signature.getJvmMethodSignature().getKotlinTypeParameter(), propertyDescriptor,
-                                      propertyDescriptor.getGetter() == null
-                                            ? propertyDescriptor.getVisibility()
-                                            : propertyDescriptor.getGetter().getVisibility());
+                                      getter == null
+                                      ? propertyDescriptor.getVisibility()
+                                      : getter.getVisibility());
 
-        if (propertyDescriptor.getGetter() != null) {
-            assert !propertyDescriptor.getGetter().hasBody();
-            AnnotationCodegen.forMethod(mv, state.getInjector().getJetTypeMapper()).genAnnotations(propertyDescriptor.getGetter());
+        if (getter != null) {
+            //noinspection ConstantConditions
+            assert !getter.hasBody();
+            AnnotationCodegen.forMethod(mv, state.getInjector().getJetTypeMapper()).genAnnotations(getter);
         }
 
         if (state.getClassBuilderMode() != ClassBuilderMode.SIGNATURES && (!isTrait || kind instanceof OwnerKind.DelegateKind)) {
-            if (propertyDescriptor.getModality() != Modality.ABSTRACT)  {
+            if (propertyDescriptor.getModality() != Modality.ABSTRACT) {
                 mv.visitCode();
                 if (state.getClassBuilderMode() == ClassBuilderMode.STUBS) {
                     StubCodegen.generateStubThrow(mv);
@@ -228,8 +243,10 @@ public class PropertyCodegen {
         FunctionCodegen.endVisit(mv, "getter", origin);
     }
 
-    public static void generateJetPropertyAnnotation(MethodVisitor mv, @NotNull String kotlinType, @NotNull String typeParameters,
-            @NotNull PropertyDescriptor propertyDescriptor, @NotNull Visibility visibility) {
+    public static void generateJetPropertyAnnotation(
+            MethodVisitor mv, @NotNull String kotlinType, @NotNull String typeParameters,
+            @NotNull PropertyDescriptor propertyDescriptor, @NotNull Visibility visibility
+    ) {
         JetMethodAnnotationWriter aw = JetMethodAnnotationWriter.visitAnnotation(mv);
         Modality modality = propertyDescriptor.getModality();
         BitSet flags = CodegenUtil.getFlagsForVisibility(visibility);
@@ -269,29 +286,32 @@ public class PropertyCodegen {
             flags |= Opcodes.ACC_STATIC;
         }
 
-        PsiElement psiElement = BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), propertyDescriptor.getContainingDeclaration());
+        PsiElement psiElement =
+                BindingContextUtils.descriptorToDeclaration(state.getBindingContext(), propertyDescriptor.getContainingDeclaration());
         boolean isTrait = psiElement instanceof JetClass && ((JetClass) psiElement).isTrait();
-        if (isTrait && !(kind instanceof OwnerKind.DelegateKind))
+        if (isTrait && !(kind instanceof OwnerKind.DelegateKind)) {
             flags |= Opcodes.ACC_ABSTRACT;
+        }
 
         if (propertyDescriptor.getModality() == Modality.FINAL) {
             flags |= Opcodes.ACC_FINAL;
         }
 
         JvmPropertyAccessorSignature signature = state.getInjector().getJetTypeMapper().mapSetterSignature(propertyDescriptor, kind);
+        assert signature != null;
         final String descriptor = signature.getJvmMethodSignature().getAsmMethod().getDescriptor();
         MethodVisitor mv = v.newMethod(origin, flags, setterName(propertyDescriptor.getName()), descriptor, null, null);
+        PropertySetterDescriptor setter = propertyDescriptor.getSetter();
+        assert setter != null;
         generateJetPropertyAnnotation(mv, signature.getPropertyTypeKotlinSignature(),
                                       signature.getJvmMethodSignature().getKotlinTypeParameter(), propertyDescriptor,
-                                      propertyDescriptor.getSetter().getVisibility());
+                                      setter.getVisibility());
 
-        if (propertyDescriptor.getSetter() != null) {
-            assert !propertyDescriptor.getSetter().hasBody();
-            AnnotationCodegen.forMethod(mv, state.getInjector().getJetTypeMapper()).genAnnotations(propertyDescriptor.getSetter());
-        }
+        assert !setter.hasBody();
+        AnnotationCodegen.forMethod(mv, state.getInjector().getJetTypeMapper()).genAnnotations(setter);
 
         if (state.getClassBuilderMode() != ClassBuilderMode.SIGNATURES && (!isTrait || kind instanceof OwnerKind.DelegateKind)) {
-            if (propertyDescriptor.getModality() != Modality.ABSTRACT)  {
+            if (propertyDescriptor.getModality() != Modality.ABSTRACT) {
                 mv.visitCode();
                 if (state.getClassBuilderMode() == ClassBuilderMode.STUBS) {
                     StubCodegen.generateStubThrow(mv);
@@ -320,8 +340,9 @@ public class PropertyCodegen {
                     else {
                         iv.load(paramCode, type);
                         iv.visitFieldInsn(kind == OwnerKind.NAMESPACE ? Opcodes.PUTSTATIC : Opcodes.PUTFIELD,
-                                state.getInjector().getJetTypeMapper().getOwner(propertyDescriptor, kind).getInternalName(), propertyDescriptor.getName().getName(),
-                                type.getDescriptor());
+                                          state.getInjector().getJetTypeMapper().getOwner(propertyDescriptor, kind).getInternalName(),
+                                          propertyDescriptor.getName().getName(),
+                                          type.getDescriptor());
                     }
 
                     iv.visitInsn(Opcodes.RETURN);
@@ -340,11 +361,13 @@ public class PropertyCodegen {
     }
 
     public void genDelegate(PropertyDescriptor declaration, PropertyDescriptor overriddenDescriptor, StackValue field) {
-        JvmPropertyAccessorSignature jvmPropertyAccessorSignature = state.getInjector().getJetTypeMapper().mapGetterSignature(declaration, OwnerKind.IMPLEMENTATION);
+        JvmPropertyAccessorSignature jvmPropertyAccessorSignature =
+                state.getInjector().getJetTypeMapper().mapGetterSignature(declaration, OwnerKind.IMPLEMENTATION);
         functionCodegen.genDelegate(declaration, overriddenDescriptor, field, jvmPropertyAccessorSignature.getJvmMethodSignature());
 
         if (declaration.isVar()) {
             jvmPropertyAccessorSignature = state.getInjector().getJetTypeMapper().mapSetterSignature(declaration, OwnerKind.IMPLEMENTATION);
+            assert jvmPropertyAccessorSignature != null;
             functionCodegen.genDelegate(declaration, overriddenDescriptor, field, jvmPropertyAccessorSignature.getJvmMethodSignature());
         }
     }

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

@@ -19,19 +19,21 @@ package org.jetbrains.jet.codegen;
 import com.google.common.collect.Lists;
 import com.intellij.openapi.util.Pair;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
-import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
-import org.jetbrains.jet.lang.descriptors.ScriptDescriptor;
-import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
-import org.jetbrains.jet.lang.psi.*;
-import org.jetbrains.jet.lang.resolve.BindingContext;
-import org.jetbrains.jet.lang.resolve.ScriptNameUtil;
-import org.jetbrains.jet.lang.resolve.java.JdkNames;
-import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.asm4.MethodVisitor;
 import org.jetbrains.asm4.Opcodes;
 import org.jetbrains.asm4.Type;
 import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
+import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
+import org.jetbrains.jet.lang.descriptors.ScriptDescriptor;
+import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
+import org.jetbrains.jet.lang.psi.JetDeclaration;
+import org.jetbrains.jet.lang.psi.JetScript;
+import org.jetbrains.jet.lang.psi.JetTypeParameterListOwner;
+import org.jetbrains.jet.lang.resolve.BindingContext;
+import org.jetbrains.jet.lang.resolve.ScriptNameUtil;
+import org.jetbrains.jet.lang.resolve.java.JdkNames;
+import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 
 import javax.inject.Inject;
 import java.util.List;
@@ -88,30 +90,31 @@ public class ScriptCodegen {
     }
 
 
-
     public void generate(JetScript scriptDeclaration) {
 
         ScriptDescriptor scriptDescriptor = state.getBindingContext().get(BindingContext.SCRIPT, scriptDeclaration);
 
+        assert scriptDescriptor != null;
         ClassDescriptor classDescriptorForScript = closureAnnotator.classDescriptorForScriptDescriptor(scriptDescriptor);
 
-        CodegenContexts.ScriptContext context = (CodegenContexts.ScriptContext) CodegenContexts.STATIC.intoScript(scriptDescriptor, classDescriptorForScript);
+        CodegenContexts.ScriptContext context =
+                (CodegenContexts.ScriptContext) CodegenContexts.STATIC.intoScript(scriptDescriptor, classDescriptorForScript);
 
         JvmClassName className = closureAnnotator.classNameForClassDescriptor(classDescriptorForScript);
 
         ClassBuilder classBuilder = classFileFactory.newVisitor(className.getInternalName() + ".class");
         classBuilder.defineClass(scriptDeclaration,
-                Opcodes.V1_6,
-                Opcodes.ACC_PUBLIC,
-                className.getInternalName(),
-                null,
-                JdkNames.JL_OBJECT.getInternalName(),
-                new String[0]);
+                                 Opcodes.V1_6,
+                                 Opcodes.ACC_PUBLIC,
+                                 className.getInternalName(),
+                                 null,
+                                 JdkNames.JL_OBJECT.getInternalName(),
+                                 new String[0]);
 
         genMembers(scriptDeclaration, context, classBuilder);
         genFieldsForParameters(scriptDescriptor, classBuilder);
         genConstructor(scriptDeclaration, scriptDescriptor, classDescriptorForScript, classBuilder,
-                context.intoFunction(scriptDescriptor.getScriptCodeDescriptor()), earlierScripts);
+                       context.intoFunction(scriptDescriptor.getScriptCodeDescriptor()), earlierScripts);
 
         classBuilder.done();
     }
@@ -122,18 +125,21 @@ public class ScriptCodegen {
             @NotNull ClassDescriptor classDescriptorForScript,
             @NotNull ClassBuilder classBuilder,
             @NotNull CodegenContext context,
-            @NotNull List<ScriptDescriptor> importedScripts) {
+            @NotNull List<ScriptDescriptor> importedScripts
+    ) {
 
         Type blockType = jetTypeMapper.mapType(scriptDescriptor.getReturnType(), MapTypeMode.VALUE);
 
-        classBuilder.newField(null, Opcodes.ACC_PUBLIC|Opcodes.ACC_FINAL, ScriptNameUtil.LAST_EXPRESSION_VALUE_FIELD_NAME, blockType.getDescriptor(), null, null);
+        classBuilder.newField(null, Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL, ScriptNameUtil.LAST_EXPRESSION_VALUE_FIELD_NAME,
+                              blockType.getDescriptor(), null, null);
 
         JvmMethodSignature jvmSignature = jetTypeMapper.mapScriptSignature(scriptDescriptor, importedScripts);
 
         state.setScriptConstructorMethod(jvmSignature.getAsmMethod());
 
         MethodVisitor mv = classBuilder.newMethod(
-                scriptDeclaration, Opcodes.ACC_PUBLIC, jvmSignature.getAsmMethod().getName(), jvmSignature.getAsmMethod().getDescriptor(), null, null);
+                scriptDeclaration, Opcodes.ACC_PUBLIC, jvmSignature.getAsmMethod().getName(), jvmSignature.getAsmMethod().getDescriptor(),
+                null, null);
 
         mv.visitCode();
 
@@ -157,7 +163,7 @@ public class ScriptCodegen {
 
         for (int i = 0; i < scriptDescriptor.getValueParameters().size(); i++) {
             ValueParameterDescriptor parameter = scriptDescriptor.getValueParameters().get(i);
-            frameMap.enter(parameter, argTypes[i+add].getSize());
+            frameMap.enter(parameter, argTypes[i + add].getSize());
         }
 
         ImplementationBodyCodegen.generateInitializers(
@@ -174,7 +180,8 @@ public class ScriptCodegen {
             instructionAdapter.load(0, className.getAsmType());
             instructionAdapter.load(offset, earlierClassName.getAsmType());
             offset += earlierClassName.getAsmType().getSize();
-            instructionAdapter.putfield(className.getInternalName(), getScriptFieldName(earlierScript), earlierClassName.getAsmType().getDescriptor());
+            instructionAdapter.putfield(className.getInternalName(), getScriptFieldName(earlierScript),
+                                        earlierClassName.getAsmType().getDescriptor());
         }
 
         for (ValueParameterDescriptor parameter : scriptDescriptor.getValueParameters()) {
@@ -185,10 +192,12 @@ public class ScriptCodegen {
             instructionAdapter.putfield(className.getInternalName(), parameter.getName().getIdentifier(), parameterType.getDescriptor());
         }
 
-        StackValue stackValue = new ExpressionCodegen(mv, frameMap, Type.VOID_TYPE, context, state).gen(scriptDeclaration.getBlockExpression());
+        StackValue stackValue =
+                new ExpressionCodegen(mv, frameMap, Type.VOID_TYPE, context, state).gen(scriptDeclaration.getBlockExpression());
         if (stackValue.type != Type.VOID_TYPE) {
             stackValue.put(stackValue.type, instructionAdapter);
-            instructionAdapter.putfield(className.getInternalName(), ScriptNameUtil.LAST_EXPRESSION_VALUE_FIELD_NAME, blockType.getDescriptor());
+            instructionAdapter
+                    .putfield(className.getInternalName(), ScriptNameUtil.LAST_EXPRESSION_VALUE_FIELD_NAME, blockType.getDescriptor());
         }
 
         instructionAdapter.areturn(Type.VOID_TYPE);
@@ -227,7 +236,6 @@ public class ScriptCodegen {
         List<ScriptDescriptor> earlierScriptDescriptors = Lists.newArrayList();
         for (Pair<ScriptDescriptor, JvmClassName> t : earlierScripts) {
             ScriptDescriptor earlierDescriptor = t.first;
-            JvmClassName earlierClassName = t.second;
             earlierScriptDescriptors.add(earlierDescriptor);
         }
         this.earlierScripts = earlierScriptDescriptors;

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

@@ -19,6 +19,11 @@ package org.jetbrains.jet.codegen;
 import com.intellij.psi.tree.IElementType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Label;
+import org.jetbrains.asm4.Opcodes;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
+import org.jetbrains.asm4.commons.Method;
 import org.jetbrains.jet.codegen.intrinsics.IntrinsicMethod;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.psi.JetExpression;
@@ -27,11 +32,6 @@ import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.jet.lang.resolve.java.JvmPrimitiveType;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
 import org.jetbrains.jet.lexer.JetTokens;
-import org.jetbrains.asm4.Label;
-import org.jetbrains.asm4.Opcodes;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
-import org.jetbrains.asm4.commons.Method;
 
 import java.util.List;
 
@@ -69,8 +69,8 @@ public abstract class StackValue {
      * This method is called to put the value on the top of the JVM stack if <code>depth</code> other values have been put on the
      * JVM stack after this value was generated.
      *
-     * @param type the type as which the value should be put
-     * @param v the visitor used to generate the instructions
+     * @param type  the type as which the value should be put
+     * @param v     the visitor used to generate the instructions
      * @param depth the number of new values put onto the stack
      */
     public void moveToTopOfStack(Type type, InstructionAdapter v, int depth) {
@@ -130,7 +130,13 @@ public abstract class StackValue {
         return new ArrayElement(type, unbox);
     }
 
-    public static StackValue collectionElement(Type type, ResolvedCall<FunctionDescriptor> getter, ResolvedCall<FunctionDescriptor> setter, ExpressionCodegen codegen, GenerationState state) {
+    public static StackValue collectionElement(
+            Type type,
+            ResolvedCall<FunctionDescriptor> getter,
+            ResolvedCall<FunctionDescriptor> setter,
+            ExpressionCodegen codegen,
+            GenerationState state
+    ) {
         return new CollectionElement(type, getter, setter, codegen, state);
     }
 
@@ -138,7 +144,18 @@ public abstract class StackValue {
         return new Field(type, owner, name, isStatic);
     }
 
-    public static Property property(String name, JvmClassName methodOwner, JvmClassName methodOwnerParam, Type type, boolean isStatic, boolean isInterface, boolean isSuper, Method getter, Method setter, int invokeOpcode) {
+    public static Property property(
+            String name,
+            JvmClassName methodOwner,
+            JvmClassName methodOwnerParam,
+            Type type,
+            boolean isStatic,
+            boolean isInterface,
+            boolean isSuper,
+            @Nullable Method getter,
+            @Nullable Method setter,
+            int invokeOpcode
+    ) {
         return new Property(name, methodOwner, methodOwnerParam, getter, setter, isStatic, isInterface, isSuper, type, invokeOpcode);
     }
 
@@ -213,10 +230,12 @@ public abstract class StackValue {
     }
 
     protected static void pop(Type type, InstructionAdapter v) {
-        if (type.getSize() == 1)
+        if (type.getSize() == 1) {
             v.pop();
-        else
+        }
+        else {
             v.pop2();
+        }
     }
 
     protected void coerce(Type toType, InstructionAdapter v) {
@@ -233,28 +252,33 @@ public abstract class StackValue {
             if (toType.getSort() == Type.OBJECT) {
                 putTuple0Instance(v);
             }
-            else if (toType == Type.LONG_TYPE)
+            else if (toType == Type.LONG_TYPE) {
                 v.lconst(0);
-            else if (toType == Type.FLOAT_TYPE)
+            }
+            else if (toType == Type.FLOAT_TYPE) {
                 v.fconst(0);
-            else if (toType == Type.DOUBLE_TYPE)
+            }
+            else if (toType == Type.DOUBLE_TYPE) {
                 v.dconst(0);
-            else
+            }
+            else {
                 v.iconst(0);
+            }
         }
         else if (toType.equals(JetTypeMapper.TUPLE0_TYPE) && !fromType.equals(JetTypeMapper.TUPLE0_TYPE)) {
             pop(fromType, v);
             putTuple0Instance(v);
         }
         else if (toType.getSort() == Type.OBJECT && fromType.equals(JetTypeMapper.TYPE_OBJECT) || toType.getSort() == Type.ARRAY) {
-                v.checkcast(toType);
+            v.checkcast(toType);
         }
         else if (toType.getSort() == Type.OBJECT) {
             if (fromType.getSort() == Type.OBJECT && !toType.equals(JetTypeMapper.TYPE_OBJECT)) {
                 v.checkcast(toType);
             }
-            else
+            else {
                 box(fromType, toType, v);
+            }
         }
         else if (fromType.getSort() == Type.OBJECT && toType.getSort() <= Type.DOUBLE) {
             if (fromType.equals(JetTypeMapper.TYPE_OBJECT)) {
@@ -314,14 +338,22 @@ public abstract class StackValue {
         return new PreIncrement(index, increment);
     }
 
-    public static StackValue receiver(ResolvedCall<? extends CallableDescriptor> resolvedCall, StackValue receiver, ExpressionCodegen codegen, @Nullable CallableMethod callableMethod, GenerationState state) {
-        if (resolvedCall.getThisObject().exists() || resolvedCall.getReceiverArgument().exists())
+    public static StackValue receiver(
+            ResolvedCall<? extends CallableDescriptor> resolvedCall,
+            StackValue receiver,
+            ExpressionCodegen codegen,
+            @Nullable CallableMethod callableMethod,
+            GenerationState state
+    ) {
+        if (resolvedCall.getThisObject().exists() || resolvedCall.getReceiverArgument().exists()) {
             return new CallReceiver(resolvedCall, receiver, codegen, state, callableMethod);
+        }
         return receiver;
     }
 
     private static class None extends StackValue {
         public static None INSTANCE = new None();
+
         private None() {
             super(Type.VOID_TYPE);
         }
@@ -396,19 +428,21 @@ public abstract class StackValue {
 
         @Override
         public void put(Type type, InstructionAdapter v) {
-            if (value instanceof Integer)
+            if (value instanceof Integer) {
                 v.iconst((Integer) value);
-            else
-            if (value instanceof Long)
+            }
+            else if (value instanceof Long) {
                 v.lconst((Long) value);
-            else
-            if (value instanceof Float)
+            }
+            else if (value instanceof Float) {
                 v.fconst((Float) value);
-            else
-            if (value instanceof Double)
+            }
+            else if (value instanceof Double) {
                 v.dconst((Double) value);
-            else
+            }
+            else {
                 v.aconst(value);
+            }
             coerce(type, v);
         }
 
@@ -449,8 +483,9 @@ public abstract class StackValue {
                 throw new UnsupportedOperationException("don't know how to put a compare as a non-boolean type " + type);
             }
             putAsBoolean(v);
-            if(type != Type.BOOLEAN_TYPE)
-                box(Type.BOOLEAN_TYPE,type,v);
+            if (type != Type.BOOLEAN_TYPE) {
+                box(Type.BOOLEAN_TYPE, type, v);
+            }
         }
 
         @Override
@@ -522,8 +557,9 @@ public abstract class StackValue {
         private Invert(StackValue operand) {
             super(Type.BOOLEAN_TYPE);
             myOperand = operand;
-            if (myOperand.type != Type.BOOLEAN_TYPE)
+            if (myOperand.type != Type.BOOLEAN_TYPE) {
                 throw new UnsupportedOperationException("operand of ! must be boolean");
+            }
         }
 
         @Override
@@ -536,8 +572,9 @@ public abstract class StackValue {
                 throw new UnsupportedOperationException("don't know how to put a compare as a non-boolean type");
             }
             putAsBoolean(v);
-            if(type != Type.BOOLEAN_TYPE)
-                box(Type.BOOLEAN_TYPE,type,v);
+            if (type != Type.BOOLEAN_TYPE) {
+                box(Type.BOOLEAN_TYPE, type, v);
+            }
         }
 
         @Override
@@ -571,6 +608,7 @@ public abstract class StackValue {
             v.dup2();   // array and index
         }
 
+        @Override
         public int receiverSize() {
             return 2;
         }
@@ -587,7 +625,13 @@ public abstract class StackValue {
         private final FunctionDescriptor setterDescriptor;
         private final FunctionDescriptor getterDescriptor;
 
-        public CollectionElement(Type type, ResolvedCall<FunctionDescriptor> resolvedGetCall, ResolvedCall<FunctionDescriptor> resolvedSetCall, ExpressionCodegen codegen, GenerationState state) {
+        public CollectionElement(
+                Type type,
+                ResolvedCall<FunctionDescriptor> resolvedGetCall,
+                ResolvedCall<FunctionDescriptor> resolvedSetCall,
+                ExpressionCodegen codegen,
+                GenerationState state
+        ) {
             super(type);
             this.resolvedGetCall = resolvedGetCall;
             this.resolvedSetCall = resolvedSetCall;
@@ -605,10 +649,12 @@ public abstract class StackValue {
             if (getter == null) {
                 throw new UnsupportedOperationException("no getter specified");
             }
-            if (getter instanceof CallableMethod)
-                ((CallableMethod)getter).invoke(v);
-            else
-                ((IntrinsicMethod)getter).generate(codegen, v, type, null, null, null, state);
+            if (getter instanceof CallableMethod) {
+                ((CallableMethod) getter).invoke(v);
+            }
+            else {
+                ((IntrinsicMethod) getter).generate(codegen, v, type, null, null, null, state);
+            }
             coerce(type, v);
         }
 
@@ -621,17 +667,19 @@ public abstract class StackValue {
                 CallableMethod method = (CallableMethod) setter;
                 Method asmMethod = method.getSignature().getAsmMethod();
                 Type[] argumentTypes = asmMethod.getArgumentTypes();
-                coerce(topOfStackType, argumentTypes[argumentTypes.length-1], v);
+                coerce(topOfStackType, argumentTypes[argumentTypes.length - 1], v);
                 method.invoke(v);
                 Type returnType = asmMethod.getReturnType();
                 if (returnType != Type.VOID_TYPE) {
                     pop(returnType, v);
                 }
             }
-            else
+            else {
                 ((IntrinsicMethod) setter).generate(codegen, v, null, null, null, null, state);
+            }
         }
 
+        @Override
         public int receiverSize() {
             if (isStandardStack(resolvedGetCall, 1) && isStandardStack(resolvedSetCall, 2)) {
                 return 2;
@@ -650,27 +698,27 @@ public abstract class StackValue {
                 int size = 0;
                 int lastIndex = frame.enterTemp();
                 frame.leaveTemp();
-                
+
                 // indexes
                 List<ValueParameterDescriptor> valueParameters = resolvedGetCall.getResultingDescriptor().getValueParameters();
                 int firstParamIndex = -1;
-                for(int i = valueParameters.size()-1; i >= 0; --i) {
+                for (int i = valueParameters.size() - 1; i >= 0; --i) {
                     Type type = codegen.typeMapper.mapType(valueParameters.get(i).getType(), MapTypeMode.VALUE);
                     int sz = type.getSize();
                     frame.enterTemp(sz);
                     lastIndex += sz;
                     size += sz;
-                    v.store((firstParamIndex = lastIndex)-sz, type);
+                    v.store((firstParamIndex = lastIndex) - sz, type);
                 }
 
                 List<TypeParameterDescriptor> typeParameters = resolvedGetCall.getResultingDescriptor().getTypeParameters();
                 int firstTypeParamIndex = -1;
-                for(int i = typeParameters.size()-1; i >= 0; --i)  {
+                for (int i = typeParameters.size() - 1; i >= 0; --i) {
                     if (typeParameters.get(i).isReified()) {
                         frame.enterTemp();
                         lastIndex++;
                         size++;
-                        v.store(firstTypeParamIndex = lastIndex-1, JetTypeMapper.TYPE_OBJECT);
+                        v.store(firstTypeParamIndex = lastIndex - 1, JetTypeMapper.TYPE_OBJECT);
                     }
                 }
 
@@ -682,7 +730,7 @@ public abstract class StackValue {
                     frame.enterTemp(sz);
                     lastIndex += sz;
                     size += sz;
-                    v.store((receiverIndex = lastIndex)-sz, type);
+                    v.store((receiverIndex = lastIndex) - sz, type);
                 }
 
                 ReceiverDescriptor thisObject = resolvedGetCall.getThisObject();
@@ -691,17 +739,17 @@ public abstract class StackValue {
                     frame.enterTemp();
                     lastIndex++;
                     size++;
-                    v.store((thisIndex = lastIndex)-1, JetTypeMapper.TYPE_OBJECT);
+                    v.store((thisIndex = lastIndex) - 1, JetTypeMapper.TYPE_OBJECT);
                 }
-                
+
                 // for setter
 
-                int  realReceiverIndex;
+                int realReceiverIndex;
                 Type realReceiverType;
                 if (thisIndex != -1) {
                     if (receiverIndex != -1) {
                         realReceiverIndex = receiverIndex;
-                        realReceiverType =  codegen.typeMapper.mapType(receiverParameter.getType(), MapTypeMode.VALUE);
+                        realReceiverType = codegen.typeMapper.mapType(receiverParameter.getType(), MapTypeMode.VALUE);
                     }
                     else {
                         realReceiverIndex = thisIndex;
@@ -710,7 +758,7 @@ public abstract class StackValue {
                 }
                 else {
                     if (receiverIndex != -1) {
-                        realReceiverType =  codegen.typeMapper.mapType(receiverParameter.getType(), MapTypeMode.VALUE);
+                        realReceiverType = codegen.typeMapper.mapType(receiverParameter.getType(), MapTypeMode.VALUE);
                         realReceiverIndex = receiverIndex;
                     }
                     else {
@@ -734,38 +782,38 @@ public abstract class StackValue {
                 }
 
                 int index = firstParamIndex;
-                for(int i = 0; i != valueParameters.size(); ++i) {
+                for (int i = 0; i != valueParameters.size(); ++i) {
                     Type type = codegen.typeMapper.mapType(valueParameters.get(i).getType(), MapTypeMode.VALUE);
                     int sz = type.getSize();
-                    v.load(index-sz, type);
+                    v.load(index - sz, type);
                     index -= sz;
                 }
 
                 // restoring original
                 if (thisIndex != -1) {
-                    v.load(thisIndex-1, JetTypeMapper.TYPE_OBJECT);
+                    v.load(thisIndex - 1, JetTypeMapper.TYPE_OBJECT);
                 }
-                
+
                 if (receiverIndex != -1) {
                     Type type = codegen.typeMapper.mapType(receiverParameter.getType(), MapTypeMode.VALUE);
-                    v.load(receiverIndex-type.getSize(), type);
+                    v.load(receiverIndex - type.getSize(), type);
                 }
 
                 if (firstTypeParamIndex != -1) {
                     index = firstTypeParamIndex;
-                    for(int i = 0; i != typeParameters.size(); ++i)  {
+                    for (int i = 0; i != typeParameters.size(); ++i) {
                         if (typeParameters.get(i).isReified()) {
-                            v.load(index-1, JetTypeMapper.TYPE_OBJECT);
+                            v.load(index - 1, JetTypeMapper.TYPE_OBJECT);
                             index--;
                         }
                     }
                 }
-                
+
                 index = firstParamIndex;
-                for(int i = 0; i != valueParameters.size(); ++i) {
+                for (int i = 0; i != valueParameters.size(); ++i) {
                     Type type = codegen.typeMapper.mapType(valueParameters.get(i).getType(), MapTypeMode.VALUE);
                     int sz = type.getSize();
-                    v.load(index-sz, type);
+                    v.load(index - sz, type);
                     index -= sz;
                 }
 
@@ -774,30 +822,37 @@ public abstract class StackValue {
         }
 
         private boolean isStandardStack(ResolvedCall call, int valueParamsSize) {
-            if (call == null)
+            if (call == null) {
                 return true;
+            }
 
             for (TypeParameterDescriptor typeParameterDescriptor : call.getResultingDescriptor().getTypeParameters()) {
-                if (typeParameterDescriptor.isReified())
+                if (typeParameterDescriptor.isReified()) {
                     return false;
+                }
             }
 
             List<ValueParameterDescriptor> valueParameters = call.getResultingDescriptor().getValueParameters();
-            if (valueParameters.size() != valueParamsSize)
+            if (valueParameters.size() != valueParamsSize) {
                 return false;
+            }
 
             for (ValueParameterDescriptor valueParameter : valueParameters) {
-                if (codegen.typeMapper.mapType(valueParameter.getType(), MapTypeMode.VALUE).getSize() != 1)
+                if (codegen.typeMapper.mapType(valueParameter.getType(), MapTypeMode.VALUE).getSize() != 1) {
                     return false;
+                }
             }
 
             if (call.getThisObject().exists()) {
-                if (call.getReceiverArgument().exists())
+                if (call.getReceiverArgument().exists()) {
                     return false;
+                }
             }
             else {
-                if (codegen.typeMapper.mapType(call.getResultingDescriptor().getReceiverParameter().getType(), MapTypeMode.VALUE).getSize() != 1)
+                if (codegen.typeMapper.mapType(call.getResultingDescriptor().getReceiverParameter().getType(), MapTypeMode.VALUE)
+                            .getSize() != 1) {
                     return false;
+                }
             }
 
             return true;
@@ -830,6 +885,7 @@ public abstract class StackValue {
             }
         }
 
+        @Override
         public int receiverSize() {
             return isStatic ? 0 : 1;
         }
@@ -857,8 +913,10 @@ public abstract class StackValue {
         private final boolean isSuper;
         private final int invokeOpcode;
 
-        public Property(@NotNull String name, @NotNull JvmClassName methodOwner, @NotNull JvmClassName methodOwnerParam,
-                Method getter, Method setter, boolean aStatic, boolean isInterface, boolean isSuper, Type type, int invokeOpcode) {
+        public Property(
+                @NotNull String name, @NotNull JvmClassName methodOwner, @NotNull JvmClassName methodOwnerParam,
+                Method getter, Method setter, boolean aStatic, boolean isInterface, boolean isSuper, Type type, int invokeOpcode
+        ) {
             super(type);
             this.name = name;
             this.methodOwner = methodOwner;
@@ -879,15 +937,18 @@ public abstract class StackValue {
         @Override
         public void put(Type type, InstructionAdapter v) {
             if (isSuper && isInterface) {
-                v.visitMethodInsn(Opcodes.INVOKESTATIC, methodOwner.getInternalName(), getter.getName(), getter.getDescriptor().replace("(", "(" + methodOwnerParam.getDescriptor()));
+                assert getter != null;
+                v.visitMethodInsn(Opcodes.INVOKESTATIC, methodOwner.getInternalName(), getter.getName(),
+                                  getter.getDescriptor().replace("(", "(" + methodOwnerParam.getDescriptor()));
             }
             else {
-            if (getter == null) {
-                v.visitFieldInsn(isStatic ? Opcodes.GETSTATIC : Opcodes.GETFIELD, methodOwner.getInternalName(), name, this.type.getDescriptor());
-            }
-            else {
-                v.visitMethodInsn(invokeOpcode, methodOwner.getInternalName(), getter.getName(), getter.getDescriptor());
-            }
+                if (getter == null) {
+                    v.visitFieldInsn(isStatic ? Opcodes.GETSTATIC : Opcodes.GETFIELD, methodOwner.getInternalName(), name,
+                                     this.type.getDescriptor());
+                }
+                else {
+                    v.visitMethodInsn(invokeOpcode, methodOwner.getInternalName(), getter.getName(), getter.getDescriptor());
+                }
             }
             coerce(type, v);
         }
@@ -895,10 +956,13 @@ public abstract class StackValue {
         @Override
         public void store(Type topOfStackType, InstructionAdapter v) {
             if (isSuper && isInterface) {
-                v.visitMethodInsn(Opcodes.INVOKESTATIC, methodOwner.getInternalName(), setter.getName(), setter.getDescriptor().replace("(", "(" + methodOwnerParam.getDescriptor()));
+                assert setter != null;
+                v.visitMethodInsn(Opcodes.INVOKESTATIC, methodOwner.getInternalName(), setter.getName(),
+                                  setter.getDescriptor().replace("(", "(" + methodOwnerParam.getDescriptor()));
             }
             else if (setter == null) {
-                v.visitFieldInsn(isStatic ? Opcodes.PUTSTATIC : Opcodes.PUTFIELD, methodOwner.getInternalName(), name, this.type.getDescriptor());
+                v.visitFieldInsn(isStatic ? Opcodes.PUTSTATIC : Opcodes.PUTFIELD, methodOwner.getInternalName(), name,
+                                 this.type.getDescriptor());
             }
             else {
                 v.visitMethodInsn(invokeOpcode, methodOwner.getInternalName(), setter.getName(), setter.getDescriptor());
@@ -912,6 +976,7 @@ public abstract class StackValue {
             }
         }
 
+        @Override
         public int receiverSize() {
             return isStatic ? 0 : 1;
         }
@@ -975,7 +1040,7 @@ public abstract class StackValue {
     }
 
     public static Type sharedTypeForType(Type type) {
-        switch(type.getSort()) {
+        switch (type.getSort()) {
             case Type.OBJECT:
             case Type.ARRAY:
                 return JetTypeMapper.TYPE_SHARED_VAR;
@@ -1010,8 +1075,9 @@ public abstract class StackValue {
     }
 
     public static Type refType(Type type) {
-        if (type.getSort() == Type.OBJECT || type.getSort() == Type.ARRAY)
+        if (type.getSort() == Type.OBJECT || type.getSort() == Type.ARRAY) {
             return JetTypeMapper.TYPE_OBJECT;
+        }
 
         return type;
     }
@@ -1031,6 +1097,7 @@ public abstract class StackValue {
             v.dup();
         }
 
+        @Override
         public int receiverSize() {
             return 1;
         }
@@ -1135,20 +1202,27 @@ public abstract class StackValue {
         private ResolvedCall<? extends CallableDescriptor> resolvedCall;
         StackValue receiver;
         private ExpressionCodegen codegen;
-        @NotNull
-        private final GenerationState state;
         private CallableMethod callableMethod;
 
-        public CallReceiver(ResolvedCall<? extends CallableDescriptor> resolvedCall, StackValue receiver, ExpressionCodegen codegen, @NotNull GenerationState state, CallableMethod callableMethod) {
+        public CallReceiver(
+                ResolvedCall<? extends CallableDescriptor> resolvedCall,
+                StackValue receiver,
+                ExpressionCodegen codegen,
+                @NotNull GenerationState state,
+                CallableMethod callableMethod
+        ) {
             super(calcType(resolvedCall, codegen, callableMethod));
             this.resolvedCall = resolvedCall;
             this.receiver = receiver;
             this.codegen = codegen;
-            this.state = state;
             this.callableMethod = callableMethod;
         }
 
-        private static Type calcType(ResolvedCall<? extends CallableDescriptor> resolvedCall, ExpressionCodegen codegen, CallableMethod callableMethod) {
+        private static Type calcType(
+                ResolvedCall<? extends CallableDescriptor> resolvedCall,
+                ExpressionCodegen codegen,
+                CallableMethod callableMethod
+        ) {
             ReceiverDescriptor thisObject = resolvedCall.getThisObject();
             ReceiverDescriptor receiverArgument = resolvedCall.getReceiverArgument();
 
@@ -1174,10 +1248,12 @@ public abstract class StackValue {
             }
             else {
                 if (receiverArgument.exists()) {
-                    if (callableMethod != null)
+                    if (callableMethod != null) {
                         return callableMethod.getReceiverClass();
-                    else
+                    }
+                    else {
                         return codegen.typeMapper.mapType(descriptor.getReceiverParameter().getType(), MapTypeMode.VALUE);
+                    }
                 }
                 else {
                     return Type.VOID_TYPE;
@@ -1197,7 +1273,8 @@ public abstract class StackValue {
                         codegen.generateFromResolvedCall(thisObject, callableMethod.getOwner().getAsmType());
                     }
                     else {
-                        codegen.generateFromResolvedCall(thisObject, codegen.typeMapper.mapType(descriptor.getExpectedThisObject().getType(), MapTypeMode.VALUE));
+                        codegen.generateFromResolvedCall(thisObject, codegen.typeMapper
+                                .mapType(descriptor.getExpectedThisObject().getType(), MapTypeMode.VALUE));
                     }
                     genReceiver(v, receiverArgument, type, descriptor.getReceiverParameter(), 1);
                 }
@@ -1212,8 +1289,10 @@ public abstract class StackValue {
             }
         }
 
-        private void genReceiver(InstructionAdapter v, ReceiverDescriptor receiverArgument, Type type,
-                @Nullable ReceiverDescriptor receiverParameter, int depth) {
+        private void genReceiver(
+                InstructionAdapter v, ReceiverDescriptor receiverArgument, Type type,
+                @Nullable ReceiverDescriptor receiverParameter, int depth
+        ) {
             if (receiver == StackValue.none()) {
                 if (receiverParameter != null) {
                     Type receiverType = codegen.typeMapper.mapType(receiverParameter.getType(), MapTypeMode.VALUE);

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

@@ -28,11 +28,12 @@ public class StubCodegen {
     }
 
     public static void generateStubThrow(MethodVisitor mv) {
-        new InstructionAdapter(mv).anew(Type.getObjectType("java/lang/RuntimeException"));
-        new InstructionAdapter(mv).dup();
-        new InstructionAdapter(mv).aconst("Stubs are for compiler only, do not add them to runtime classpath");
-        new InstructionAdapter(mv).invokespecial("java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V");
-        new InstructionAdapter(mv).athrow();
+        InstructionAdapter iv = new InstructionAdapter(mv);
+        iv.anew(Type.getObjectType("java/lang/RuntimeException"));
+        iv.dup();
+        iv.aconst("Stubs are for compiler only, do not add them to runtime classpath");
+        iv.invokespecial("java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V");
+        iv.athrow();
     }
 
     public static void generateStubCode(MethodVisitor mv) {

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

@@ -16,13 +16,13 @@
 
 package org.jetbrains.jet.codegen;
 
+import org.jetbrains.asm4.Opcodes;
 import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
 import org.jetbrains.jet.lang.descriptors.ClassKind;
 import org.jetbrains.jet.lang.psi.JetClassOrObject;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.lang.JetStandardClasses;
-import org.jetbrains.asm4.Opcodes;
 
 import java.util.List;
 

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class ArrayGet implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         Type type = JetTypeMapper.correctElementType(receiver.type);
 

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

@@ -18,19 +18,27 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
 public class ArrayIndices implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         v.arraylength();
         v.invokestatic("jet/IntRange", "count", "(I)Ljet/IntRange;");

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

@@ -41,10 +41,20 @@ import java.util.List;
  */
 public class ArrayIterator implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         JetCallExpression call = (JetCallExpression) element;
-        FunctionDescriptor funDescriptor = (FunctionDescriptor) codegen.getBindingContext().get(BindingContext.REFERENCE_TARGET, (JetSimpleNameExpression) call.getCalleeExpression());
+        FunctionDescriptor funDescriptor = (FunctionDescriptor) codegen.getBindingContext()
+                .get(BindingContext.REFERENCE_TARGET, (JetSimpleNameExpression) call.getCalleeExpression());
+        assert funDescriptor != null;
         ClassDescriptor containingDeclaration = (ClassDescriptor) funDescriptor.getContainingDeclaration().getOriginal();
         if (JetStandardLibraryNames.ARRAY.is(containingDeclaration)) {
             v.invokestatic("jet/runtime/ArrayIterator", "iterator", "([Ljava/lang/Object;)Ljet/Iterator;");

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class ArraySet implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         Type type = JetTypeMapper.correctElementType(receiver.type);
 

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class ArraySize implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         v.arraylength();
 

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

@@ -18,14 +18,14 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Opcodes;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Opcodes;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -40,7 +40,15 @@ public class BinaryOp implements IntrinsicMethod {
     }
 
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         boolean nullable = expectedType.getSort() == Type.OBJECT;
         if (nullable) {
             expectedType = JetTypeMapper.unboxType(expectedType);

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

@@ -19,12 +19,12 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,12 +33,21 @@ import java.util.List;
  */
 public class CompareTo implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element, @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         assert arguments != null;
         receiver.put(receiver.type, v);
         codegen.gen(arguments.get(0), receiver.type);
-        if (receiver.type == Type.BYTE_TYPE || receiver.type == Type.SHORT_TYPE || receiver.type == Type.CHAR_TYPE)
+        if (receiver.type == Type.BYTE_TYPE || receiver.type == Type.SHORT_TYPE || receiver.type == Type.CHAR_TYPE) {
             v.sub(Type.INT_TYPE);
+        }
         else if (receiver.type == Type.INT_TYPE) {
             v.invokestatic("jet/runtime/Intrinsics", "compare", "(II)I");
         }

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class Concat implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         if (receiver == null || receiver == StackValue.none()) {                                                     // LHS + RHS
             codegen.generateStringBuilderConstructor();
             codegen.invokeAppend(arguments.get(0));                                // StringBuilder(LHS)

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

@@ -42,13 +42,15 @@ public class EmptyRange implements IntrinsicMethod {
     }
 
     @Override
-    public StackValue generate(ExpressionCodegen codegen,
+    public StackValue generate(
+            ExpressionCodegen codegen,
             InstructionAdapter v,
             @NotNull Type expectedType,
             @Nullable PsiElement element,
             @Nullable List<JetExpression> arguments,
             StackValue receiver,
-            @NotNull GenerationState state) {
+            @NotNull GenerationState state
+    ) {
         JvmClassName name = JvmClassName.byFqNameWithoutInnerClasses(elementType.getRangeClassName().getFqName());
         v.getstatic(name.toString(), "EMPTY", "L" + name + ";");
         return StackValue.onStack(expectedType);

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

@@ -27,7 +27,7 @@ import org.jetbrains.jet.lang.psi.JetCallExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
-import org.jetbrains.jet.lang.resolve.java.JvmPrimitiveType;
+import org.jetbrains.jet.lang.types.JetType;
 
 import java.util.List;
 
@@ -36,15 +36,22 @@ import java.util.List;
  */
 public class EnumValueOf implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
-            @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state
+    ) {
         JetCallExpression call = (JetCallExpression) element;
-        ResolvedCall<? extends CallableDescriptor> resolvedCall = codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        ResolvedCall<? extends CallableDescriptor> resolvedCall =
+                codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        assert resolvedCall != null;
         CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor();
+        JetType returnType = resultingDescriptor.getReturnType();
+        assert returnType != null;
         Type type = state.getInjector().getJetTypeMapper().mapType(
-                resultingDescriptor.getReturnType(), MapTypeMode.VALUE);
-        codegen.gen(arguments.get(0),JetTypeMapper.JL_STRING_TYPE);
-        v.invokestatic(type.getInternalName(),"valueOf","(Ljava/lang/String;)" + type.getDescriptor());
+                returnType, MapTypeMode.VALUE);
+        assert arguments != null;
+        codegen.gen(arguments.get(0), JetTypeMapper.JL_STRING_TYPE);
+        v.invokestatic(type.getInternalName(), "valueOf", "(Ljava/lang/String;)" + type.getDescriptor());
         StackValue.onStack(type).put(expectedType, v);
         return StackValue.onStack(expectedType);
     }

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

@@ -21,12 +21,16 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.asm4.Type;
 import org.jetbrains.asm4.commons.InstructionAdapter;
-import org.jetbrains.jet.codegen.*;
+import org.jetbrains.jet.codegen.ExpressionCodegen;
+import org.jetbrains.jet.codegen.GenerationState;
+import org.jetbrains.jet.codegen.MapTypeMode;
+import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.descriptors.CallableDescriptor;
 import org.jetbrains.jet.lang.psi.JetCallExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
+import org.jetbrains.jet.lang.types.JetType;
 
 import java.util.List;
 
@@ -35,13 +39,19 @@ import java.util.List;
  */
 public class EnumValues implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
-            @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state
+    ) {
         JetCallExpression call = (JetCallExpression) element;
-        ResolvedCall<? extends CallableDescriptor> resolvedCall = codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        ResolvedCall<? extends CallableDescriptor> resolvedCall =
+                codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        assert resolvedCall != null;
         CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor();
+        JetType returnType = resultingDescriptor.getReturnType();
+        assert returnType != null;
         Type type = state.getInjector().getJetTypeMapper().mapType(
-                resultingDescriptor.getReturnType(), MapTypeMode.VALUE);
+                returnType, MapTypeMode.VALUE);
         v.invokestatic(type.getElementType().getInternalName(), "values", "()" + type);
         StackValue.onStack(type).put(expectedType, v);
         return StackValue.onStack(expectedType);

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

@@ -18,6 +18,8 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
@@ -27,8 +29,6 @@ import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lexer.JetTokens;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -37,7 +37,15 @@ import java.util.List;
  */
 public class Equals implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
 
         boolean leftNullable = true;
         JetExpression rightExpr;
@@ -47,14 +55,17 @@ public class Equals implements IntrinsicMethod {
             JetExpression calleeExpression = jetCallExpression.getCalleeExpression();
             if (calleeExpression != null) {
                 JetType leftType = codegen.getBindingContext().get(BindingContext.EXPRESSION_TYPE, calleeExpression);
-                if (leftType != null)
+                if (leftType != null) {
                     leftNullable = leftType.isNullable();
+                }
             }
             rightExpr = arguments.get(0);
         }
         else {
             JetExpression leftExpr = arguments.get(0);
-            leftNullable = codegen.getBindingContext().get(BindingContext.EXPRESSION_TYPE, leftExpr).isNullable();
+            JetType leftType = codegen.getBindingContext().get(BindingContext.EXPRESSION_TYPE, leftExpr);
+            assert leftType != null;
+            leftNullable = leftType.isNullable();
             codegen.gen(leftExpr).put(JetTypeMapper.TYPE_OBJECT, v);
             rightExpr = arguments.get(1);
         }
@@ -62,6 +73,9 @@ public class Equals implements IntrinsicMethod {
         JetType rightType = codegen.getBindingContext().get(BindingContext.EXPRESSION_TYPE, rightExpr);
         codegen.gen(rightExpr).put(JetTypeMapper.TYPE_OBJECT, v);
 
-        return codegen.generateEqualsForExpressionsOnStack(JetTokens.EQEQ, JetTypeMapper.TYPE_OBJECT, JetTypeMapper.TYPE_OBJECT, leftNullable, rightType.isNullable());
+        assert rightType != null;
+        return codegen
+                .generateEqualsForExpressionsOnStack(JetTokens.EQEQ, JetTypeMapper.TYPE_OBJECT, JetTypeMapper.TYPE_OBJECT, leftNullable,
+                                                     rightType.isNullable());
     }
 }

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

@@ -35,13 +35,15 @@ import java.util.List;
  */
 public class HashCode implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen,
+    public StackValue generate(
+            ExpressionCodegen codegen,
             InstructionAdapter v,
             @NotNull Type expectedType,
             @Nullable PsiElement element,
             @Nullable List<JetExpression> arguments,
             StackValue receiver,
-            @NotNull GenerationState state) {
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         v.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "hashCode", "()I");
         return StackValue.onStack(Type.INT_TYPE);

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

@@ -18,6 +18,8 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
@@ -25,11 +27,7 @@ import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetBinaryExpression;
 import org.jetbrains.jet.lang.psi.JetCallExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.jet.lang.resolve.BindingContext;
-import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lexer.JetTokens;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -38,14 +36,22 @@ import java.util.List;
  */
 public class IdentityEquals implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         if (element instanceof JetCallExpression) {
             receiver.put(JetTypeMapper.TYPE_OBJECT, v);
             codegen.gen(arguments.get(0)).put(JetTypeMapper.TYPE_OBJECT, v);
         }
         else {
             assert element instanceof JetBinaryExpression;
-            JetBinaryExpression e = (JetBinaryExpression)element;
+            JetBinaryExpression e = (JetBinaryExpression) element;
             codegen.gen(e.getLeft()).put(JetTypeMapper.TYPE_OBJECT, v);
             codegen.gen(e.getRight()).put(JetTypeMapper.TYPE_OBJECT, v);
         }

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

@@ -18,6 +18,8 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
@@ -25,8 +27,6 @@ import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.psi.JetParenthesizedExpression;
 import org.jetbrains.jet.lang.psi.JetReferenceExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -41,15 +41,23 @@ public class Increment implements IntrinsicMethod {
     }
 
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         boolean nullable = expectedType.getSort() == Type.OBJECT;
         if (nullable) {
             expectedType = JetTypeMapper.unboxType(expectedType);
         }
         if (arguments.size() > 0) {
             JetExpression operand = arguments.get(0);
-            while(operand instanceof JetParenthesizedExpression) {
-                operand = ((JetParenthesizedExpression)operand).getExpression();
+            while (operand instanceof JetParenthesizedExpression) {
+                operand = ((JetParenthesizedExpression) operand).getExpression();
             }
             if (operand instanceof JetReferenceExpression) {
                 final int index = codegen.indexOfLocal((JetReferenceExpression) operand);
@@ -58,8 +66,8 @@ public class Increment implements IntrinsicMethod {
                 }
             }
             StackValue value = codegen.genQualified(receiver, operand);
-            value. dupReceiver(v);
-            value. dupReceiver(v);
+            value.dupReceiver(v);
+            value.dupReceiver(v);
 
             value.put(expectedType, v);
             plusMinus(v, expectedType);

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

@@ -19,13 +19,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.Callable;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,6 +33,8 @@ import java.util.List;
  * @author yole
  */
 public interface IntrinsicMethod extends Callable {
-    StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
-            @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state);
+    StackValue generate(
+            ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments, @Nullable StackValue receiver, @NotNull GenerationState state
+    );
 }

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

@@ -20,10 +20,7 @@ import com.google.common.collect.ImmutableList;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.asm4.Opcodes;
-import org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor;
-import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
-import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
-import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
+import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.psi.JetPsiUtil;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
@@ -141,8 +138,8 @@ public class IntrinsicMethods {
         for (PrimitiveType type : PrimitiveType.values()) {
             declareIntrinsicFunction(type.getTypeName(), Name.identifier("compareTo"), 1, new CompareTo());
         }
-//        declareIntrinsicFunction("Any", "equals", 1, new Equals());
-//
+        //        declareIntrinsicFunction("Any", "equals", 1, new Equals());
+        //
         declareIntrinsicProperty(Name.identifier("CharSequence"), Name.identifier("length"), new StringLength());
         declareIntrinsicProperty(Name.identifier("String"), Name.identifier("length"), new StringLength());
 
@@ -196,20 +193,6 @@ public class IntrinsicMethods {
         intrinsicsMap.registerIntrinsic(JetStandardClasses.STANDARD_CLASSES_FQNAME.child(className), functionName, arity, implementation);
     }
 
-    public IntrinsicMethod isIntrinsicMethod(DeclarationDescriptor descriptor) {
-        List<AnnotationDescriptor> annotations = descriptor.getAnnotations();
-        if (annotations != null) {
-            for (AnnotationDescriptor annotation : annotations) {
-                if("Intrinsic".equals(annotation.getType().getConstructor().getDeclarationDescriptor().getName().getName())) {
-                    String value = (String) annotation.getValueArguments().get(0).getValue();
-                    IntrinsicMethod intrinsicMethod = namedMethods.get(value);
-                    if (intrinsicMethod != null) { return intrinsicMethod; }
-                }
-            }
-        }
-        return null;
-    }
-
     @Nullable
     public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
         IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
@@ -226,11 +209,11 @@ public class IntrinsicMethods {
                 }
             }
 
-            if(isEnumClassObject(functionDescriptor.getContainingDeclaration())) {
-                if("values".equals(functionDescriptor.getName().getName())) {
+            if (isEnumClassObject(functionDescriptor.getContainingDeclaration())) {
+                if ("values".equals(functionDescriptor.getName().getName())) {
                     return ENUM_VALUES;
                 }
-                if("valueOf".equals(functionDescriptor.getName().getName())) {
+                if ("valueOf".equals(functionDescriptor.getName().getName())) {
                     return ENUM_VALUE_OF;
                 }
             }
@@ -239,10 +222,14 @@ public class IntrinsicMethods {
         List<AnnotationDescriptor> annotations = descriptor.getAnnotations();
         if (annotations != null) {
             for (AnnotationDescriptor annotation : annotations) {
-                if("Intrinsic".equals(annotation.getType().getConstructor().getDeclarationDescriptor().getName().getName())) {
+                ClassifierDescriptor classifierDescriptor = annotation.getType().getConstructor().getDeclarationDescriptor();
+                assert classifierDescriptor != null;
+                if ("Intrinsic".equals(classifierDescriptor.getName().getName())) {
                     String value = (String) annotation.getValueArguments().get(0).getValue();
                     intrinsicMethod = namedMethods.get(value);
-                    if (intrinsicMethod != null) { break; }
+                    if (intrinsicMethod != null) {
+                        break;
+                    }
                 }
             }
         }
@@ -250,16 +237,18 @@ public class IntrinsicMethods {
     }
 
     private static boolean isEnumClassObject(DeclarationDescriptor declaration) {
-        if(declaration instanceof ClassDescriptor) {
+        if (declaration instanceof ClassDescriptor) {
             ClassDescriptor descriptor = (ClassDescriptor) declaration;
-            if(descriptor.getContainingDeclaration() instanceof ClassDescriptor) {
+            if (descriptor.getContainingDeclaration() instanceof ClassDescriptor) {
                 ClassDescriptor containingDeclaration = (ClassDescriptor) descriptor.getContainingDeclaration();
                 //noinspection ConstantConditions
-                if(containingDeclaration != null && containingDeclaration.getClassObjectDescriptor() != null && containingDeclaration.getClassObjectDescriptor().equals(descriptor)) {
+                if (containingDeclaration != null &&
+                    containingDeclaration.getClassObjectDescriptor() != null &&
+                    containingDeclaration.getClassObjectDescriptor().equals(descriptor)) {
                     return true;
                 }
             }
         }
-        return false;  //To change body of created methods use File | Settings | File Templates.
+        return false;
     }
 }

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

@@ -70,7 +70,7 @@ class IntrinsicsMap {
         }
     }
 
-    private int valueParameterCountForKey(@NotNull CallableMemberDescriptor member) {
+    private static int valueParameterCountForKey(@NotNull CallableMemberDescriptor member) {
         if (member instanceof PropertyDescriptor) {
             return -1;
         }
@@ -79,7 +79,7 @@ class IntrinsicsMap {
         }
     }
 
-    private Map<Key, IntrinsicMethod> intrinsicsMap = Maps.newHashMap();
+    private final Map<Key, IntrinsicMethod> intrinsicsMap = Maps.newHashMap();
 
 
     /**
@@ -105,5 +105,4 @@ class IntrinsicsMap {
                 valueParameterCountForKey(descriptor));
         return intrinsicsMap.get(key);
     }
-
 }

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -34,7 +34,15 @@ import java.util.List;
  */
 public class Inv implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         boolean nullable = expectedType.getSort() == Type.OBJECT;
         if (nullable) {
             expectedType = JetTypeMapper.unboxType(expectedType);

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

@@ -19,12 +19,12 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class IteratorIterator implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element, @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         return receiver;
     }
 }

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,26 +33,43 @@ import java.util.List;
  */
 public class IteratorNext implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         String name;
-        if (expectedType == Type.CHAR_TYPE)
+        if (expectedType == Type.CHAR_TYPE) {
             name = "Char";
-        else if (expectedType == Type.BOOLEAN_TYPE)
+        }
+        else if (expectedType == Type.BOOLEAN_TYPE) {
             name = "Boolean";
-        else if (expectedType == Type.BYTE_TYPE)
+        }
+        else if (expectedType == Type.BYTE_TYPE) {
             name = "Byte";
-        else if (expectedType == Type.SHORT_TYPE)
+        }
+        else if (expectedType == Type.SHORT_TYPE) {
             name = "Short";
-        else if (expectedType == Type.INT_TYPE)
+        }
+        else if (expectedType == Type.INT_TYPE) {
             name = "Int";
-        else if (expectedType == Type.LONG_TYPE)
+        }
+        else if (expectedType == Type.LONG_TYPE) {
             name = "Long";
-        else if (expectedType == Type.FLOAT_TYPE)
+        }
+        else if (expectedType == Type.FLOAT_TYPE) {
             name = "Float";
-        else if (expectedType == Type.DOUBLE_TYPE)
+        }
+        else if (expectedType == Type.DOUBLE_TYPE) {
             name = "Double";
-        else
+        }
+        else {
             throw new UnsupportedOperationException();
+        }
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         v.invokevirtual("jet/" + name + "Iterator", "next" + name, "()" + expectedType.getDescriptor());
         return StackValue.onStack(expectedType);

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

@@ -19,6 +19,8 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
@@ -30,8 +32,6 @@ import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedValueArgument;
 import org.jetbrains.jet.lang.resolve.calls.VarargValueArgument;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 import java.util.Map;
@@ -41,17 +41,20 @@ import java.util.Map;
  */
 public class JavaClassArray implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen,
-                               InstructionAdapter v,
-                               @NotNull Type expectedType,
-                               @Nullable PsiElement element,
-                               @Nullable List<JetExpression> arguments,
-                               StackValue receiver,
-                               @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         ResolvedCall<? extends CallableDescriptor> call =
-            codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, ((JetCallExpression)element).getCalleeExpression());
-        Map.Entry<ValueParameterDescriptor,ResolvedValueArgument> next = call.getValueArguments().entrySet().iterator().next();
-        codegen.genVarargs(next.getKey(), (VarargValueArgument)next.getValue());
+                codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, ((JetCallExpression) element).getCalleeExpression());
+        assert call != null;
+        Map.Entry<ValueParameterDescriptor, ResolvedValueArgument> next = call.getValueArguments().entrySet().iterator().next();
+        codegen.genVarargs(next.getKey(), (VarargValueArgument) next.getValue());
         return StackValue.onStack(expectedType);
     }
 }

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

@@ -19,15 +19,16 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.*;
 import org.jetbrains.jet.lang.descriptors.CallableDescriptor;
 import org.jetbrains.jet.lang.psi.JetCallExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.lang.resolve.java.JvmPrimitiveType;
+import org.jetbrains.jet.lang.types.JetType;
 
 import java.util.List;
 
@@ -36,13 +37,19 @@ import java.util.List;
  */
 public class JavaClassFunction implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
-            @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state
+    ) {
         JetCallExpression call = (JetCallExpression) element;
-        ResolvedCall<? extends CallableDescriptor> resolvedCall = codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        ResolvedCall<? extends CallableDescriptor> resolvedCall =
+                codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        assert resolvedCall != null;
         CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor();
+        JetType returnType = resultingDescriptor.getReturnType();
+        assert returnType != null;
         Type type = state.getInjector().getJetTypeMapper().mapType(
-                resultingDescriptor.getReturnType().getArguments().get(0).getType(), MapTypeMode.VALUE);
+                returnType.getArguments().get(0).getType(), MapTypeMode.VALUE);
         JvmPrimitiveType primitiveType = JvmPrimitiveType.getByAsmType(type);
         if (primitiveType != null) {
             v.getstatic(primitiveType.getWrapper().getAsmType().getInternalName(), "TYPE", "Ljava/lang/Class;");

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

@@ -19,13 +19,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.lang.resolve.java.JvmPrimitiveType;
 
 import java.util.List;
@@ -35,7 +35,15 @@ import java.util.List;
  */
 public class JavaClassProperty implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element, @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(receiver.type, v);
         JvmPrimitiveType primitiveType = JvmPrimitiveType.getByAsmType(receiver.type);
         if (primitiveType != null) {

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

@@ -18,14 +18,14 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetCallExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.resolve.BindingContext;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -34,8 +34,17 @@ import java.util.List;
  */
 public class NewArray implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
-        codegen.generateNewArray((JetCallExpression) element, codegen.getBindingContext().get(BindingContext.EXPRESSION_TYPE, (JetExpression) element));
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
+        codegen.generateNewArray((JetCallExpression) element,
+                                 codegen.getBindingContext().get(BindingContext.EXPRESSION_TYPE, (JetExpression) element));
         return StackValue.onStack(expectedType);
     }
 }

compiler/backend/src/org/jetbrains/jet/codegen/intrinsics/Not.java

@@ -18,12 +18,12 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -32,7 +32,15 @@ import java.util.List;
  */
 public class Not implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         final StackValue stackValue;
         if (arguments.size() == 1) {
             stackValue = codegen.gen(arguments.get(0));

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

@@ -18,12 +18,12 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -32,7 +32,15 @@ import java.util.List;
  */
 public class NumberCast implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(expectedType, v);
         return StackValue.onStack(expectedType);
     }

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

@@ -18,12 +18,12 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.*;
 import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
 import org.jetbrains.jet.lang.psi.JetCallExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -39,9 +39,12 @@ public class PsiMethodCall implements IntrinsicMethod {
     }
 
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element,
-            List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
-        final CallableMethod callableMethod = state.getInjector().getJetTypeMapper().mapToCallableMethod(method, false, OwnerKind.IMPLEMENTATION);
+    public StackValue generate(
+            ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element,
+            List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state
+    ) {
+        final CallableMethod callableMethod =
+                state.getInjector().getJetTypeMapper().mapToCallableMethod(method, false, OwnerKind.IMPLEMENTATION);
         codegen.invokeMethodWithArguments(callableMethod, (JetCallExpression) element, receiver);
         return StackValue.onStack(callableMethod.getSignature().getAsmMethod().getReturnType());
     }

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetBinaryExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -38,28 +38,38 @@ public class RangeTo implements IntrinsicMethod {
     }
 
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
-        if (arguments.size()==1) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
+        if (arguments.size() == 1) {
             final Type leftType = receiver.type;
             final Type rightType = codegen.expressionType(arguments.get(0));
             receiver.put(Type.INT_TYPE, v);
             codegen.gen(arguments.get(0), rightType);
-            v.invokestatic("jet/runtime/Ranges", "rangeTo", "(" + receiver.type.getDescriptor() + leftType.getDescriptor() + ")" + expectedType.getDescriptor());
+            v.invokestatic("jet/runtime/Ranges", "rangeTo",
+                           "(" + receiver.type.getDescriptor() + leftType.getDescriptor() + ")" + expectedType.getDescriptor());
             return StackValue.onStack(expectedType);
         }
         else {
             JetBinaryExpression expression = (JetBinaryExpression) element;
             final Type leftType = codegen.expressionType(expression.getLeft());
             final Type rightType = codegen.expressionType(expression.getRight());
-//            if (JetTypeMapper.isIntPrimitive(leftType)) {
-                codegen.gen(expression.getLeft(), leftType);
-                codegen.gen(expression.getRight(), rightType);
-                v.invokestatic("jet/runtime/Ranges", "rangeTo", "(" + leftType.getDescriptor() + rightType.getDescriptor() + ")" + expectedType.getDescriptor());
-                return StackValue.onStack(expectedType);
-//            }
-//            else {
-//                throw new UnsupportedOperationException("ranges are only supported for int objects");
-//            }
+            //            if (JetTypeMapper.isIntPrimitive(leftType)) {
+            codegen.gen(expression.getLeft(), leftType);
+            codegen.gen(expression.getRight(), rightType);
+            v.invokestatic("jet/runtime/Ranges", "rangeTo",
+                           "(" + leftType.getDescriptor() + rightType.getDescriptor() + ")" + expectedType.getDescriptor());
+            return StackValue.onStack(expectedType);
+            //            }
+            //            else {
+            //                throw new UnsupportedOperationException("ranges are only supported for int objects");
+            //            }
         }
     }
 }

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,11 +33,21 @@ import java.util.List;
  */
 public class StringGetChar implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
-        if (receiver != null)
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
+        if (receiver != null) {
             receiver.put(JetTypeMapper.TYPE_OBJECT, v);
-        if (arguments != null)
+        }
+        if (arguments != null) {
             codegen.gen(arguments.get(0)).put(Type.INT_TYPE, v);
+        }
         v.invokeinterface("java/lang/CharSequence", "charAt", "(I)C");
         return StackValue.onStack(Type.CHAR_TYPE);
     }

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class StringLength implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         v.invokeinterface("java/lang/CharSequence", "length", "()I");
         return StackValue.onStack(Type.INT_TYPE);

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class StringPlus implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         if (receiver == null || receiver == StackValue.none()) {
             codegen.gen(arguments.get(0)).put(JetTypeMapper.JL_STRING_TYPE, v);
             codegen.gen(arguments.get(1)).put(JetTypeMapper.TYPE_OBJECT, v);

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

@@ -19,22 +19,30 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 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.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.Arrays;
 import java.util.List;
 
 public class StupidSync implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element, @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
-        codegen.pushMethodArguments((JetCallExpression)element, Arrays.asList(JetTypeMapper.TYPE_OBJECT, JetTypeMapper.TYPE_FUNCTION0));
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
+        codegen.pushMethodArguments((JetCallExpression) element, Arrays.asList(JetTypeMapper.TYPE_OBJECT, 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/backend/src/org/jetbrains/jet/codegen/intrinsics/Sure.java

@@ -18,6 +18,9 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Label;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.StackValue;
@@ -26,9 +29,6 @@ import org.jetbrains.jet.lang.psi.JetCallExpression;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
-import org.jetbrains.asm4.Label;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -37,11 +37,20 @@ import java.util.List;
  */
 public class Sure implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         JetCallExpression call = (JetCallExpression) element;
-        ResolvedCall<? extends CallableDescriptor> resolvedCall = codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        ResolvedCall<? extends CallableDescriptor> resolvedCall =
+                codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
         assert resolvedCall != null;
-        if (resolvedCall.getReceiverArgument().getType().isNullable())  {
+        if (resolvedCall.getReceiverArgument().getType().isNullable()) {
             receiver.put(receiver.type, v);
             v.dup();
             Label ok = new Label();

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class ToString implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         receiver.put(JetTypeMapper.TYPE_OBJECT, v);
         v.invokestatic("java/lang/String", "valueOf", "(Ljava/lang/Object;)Ljava/lang/String;");
         return StackValue.onStack(JetTypeMapper.JL_STRING_TYPE);

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

@@ -18,13 +18,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -33,7 +33,15 @@ import java.util.List;
  */
 public class UnaryMinus implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, PsiElement element, List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            PsiElement element,
+            List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         boolean nullable = expectedType.getSort() == Type.OBJECT;
         if (nullable) {
             expectedType = JetTypeMapper.unboxType(expectedType);

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

@@ -19,13 +19,13 @@ package org.jetbrains.jet.codegen.intrinsics;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.InstructionAdapter;
 import org.jetbrains.jet.codegen.ExpressionCodegen;
 import org.jetbrains.jet.codegen.GenerationState;
 import org.jetbrains.jet.codegen.JetTypeMapper;
 import org.jetbrains.jet.codegen.StackValue;
 import org.jetbrains.jet.lang.psi.JetExpression;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.InstructionAdapter;
 
 import java.util.List;
 
@@ -34,13 +34,22 @@ import java.util.List;
  */
 public class UnaryPlus implements IntrinsicMethod {
     @Override
-    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, @NotNull Type expectedType, @Nullable PsiElement element, @Nullable List<JetExpression> arguments, StackValue receiver, @NotNull GenerationState state) {
+    public StackValue generate(
+            ExpressionCodegen codegen,
+            InstructionAdapter v,
+            @NotNull Type expectedType,
+            @Nullable PsiElement element,
+            @Nullable List<JetExpression> arguments,
+            StackValue receiver,
+            @NotNull GenerationState state
+    ) {
         boolean nullable = expectedType.getSort() == Type.OBJECT;
         if (nullable) {
             expectedType = JetTypeMapper.unboxType(expectedType);
         }
-        if (receiver != null && receiver != StackValue.none())
+        if (receiver != null && receiver != StackValue.none()) {
             receiver.put(expectedType, v);
+        }
         else {
             assert arguments != null;
             codegen.gen(arguments.get(0), expectedType);

compiler/backend/src/org/jetbrains/jet/codegen/signature/BothSignatureWriter.java

@@ -18,10 +18,12 @@ package org.jetbrains.jet.codegen.signature;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.asm4.Type;
+import org.jetbrains.asm4.commons.Method;
+import org.jetbrains.asm4.signature.SignatureVisitor;
+import org.jetbrains.asm4.signature.SignatureWriter;
+import org.jetbrains.asm4.util.CheckSignatureAdapter;
 import org.jetbrains.jet.codegen.JetTypeMapper;
-import org.jetbrains.jet.codegen.signature.JvmMethodParameterKind;
-import org.jetbrains.jet.codegen.signature.JvmMethodParameterSignature;
-import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
 import org.jetbrains.jet.lang.resolve.java.JetSignatureUtils;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.Variance;
@@ -29,11 +31,6 @@ import org.jetbrains.jet.rt.signature.JetSignatureAdapter;
 import org.jetbrains.jet.rt.signature.JetSignatureReader;
 import org.jetbrains.jet.rt.signature.JetSignatureVariance;
 import org.jetbrains.jet.rt.signature.JetSignatureWriter;
-import org.jetbrains.asm4.Type;
-import org.jetbrains.asm4.commons.Method;
-import org.jetbrains.asm4.signature.SignatureVisitor;
-import org.jetbrains.asm4.signature.SignatureWriter;
-import org.jetbrains.asm4.util.CheckSignatureAdapter;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -48,9 +45,8 @@ public class BothSignatureWriter {
 
     public enum Mode {
         METHOD(CheckSignatureAdapter.METHOD_SIGNATURE),
-        CLASS(CheckSignatureAdapter.CLASS_SIGNATURE),
-        ;
-        
+        CLASS(CheckSignatureAdapter.CLASS_SIGNATURE),;
+
         private final int asmType;
 
         Mode(int asmType) {
@@ -70,18 +66,18 @@ public class BothSignatureWriter {
         SUPERS,
         CLASS_END,
     }
-    
+
     private final SignatureWriter signatureWriter = new SignatureWriter();
     private final SignatureVisitor signatureVisitor;
 
     private JetSignatureWriter jetSignatureWriter;
-    
+
     private String kotlinClassParameters;
     private String kotlinClassSignature;
-    
+
     private List<JvmMethodParameterSignature> kotlinParameterTypes = new ArrayList<JvmMethodParameterSignature>();
     private String kotlinReturnType;
-    
+
     private int jvmCurrentTypeArrayLevel;
     private Type jvmCurrentType;
     private Type jvmReturnType;
@@ -119,11 +115,10 @@ public class BothSignatureWriter {
     }
 
 
-
     private SignatureVisitor signatureVisitor() {
         return !visitors.isEmpty() ? visitors.peek() : signatureVisitor;
     }
-    
+
     private void checkTopLevel() {
         if (DEBUG_SIGNATURE_WRITER) {
             if (!visitors.isEmpty()) {
@@ -131,7 +126,7 @@ public class BothSignatureWriter {
             }
         }
     }
-    
+
     private void checkMode(Mode mode) {
         if (DEBUG_SIGNATURE_WRITER) {
             if (mode != this.mode) {
@@ -139,7 +134,7 @@ public class BothSignatureWriter {
             }
         }
     }
-    
+
     private void checkState(State state) {
         if (DEBUG_SIGNATURE_WRITER) {
             if (state != this.state) {
@@ -151,7 +146,7 @@ public class BothSignatureWriter {
             checkTopLevel();
         }
     }
-    
+
     private void transitionState(State from, State to) {
         checkState(from);
         state = to;
@@ -207,7 +202,7 @@ public class BothSignatureWriter {
             writeAsmType0(Type.VOID_TYPE);
         }
     }
-    
+
     private String makeArrayPrefix() {
         StringBuilder sb = new StringBuilder();
         for (int i = 0; i < jvmCurrentTypeArrayLevel; ++i) {
@@ -215,7 +210,7 @@ public class BothSignatureWriter {
         }
         return sb.toString();
     }
-    
+
     private void writeAsmType0(Type type) {
         if (jvmCurrentType == null) {
             jvmCurrentType = Type.getType(makeArrayPrefix() + type.getDescriptor());
@@ -240,17 +235,21 @@ public class BothSignatureWriter {
             ++jvmCurrentTypeArrayLevel;
         }
     }
-    
+
     public void writeArrayEnd() {
         pop();
     }
-    
+
     private static JetSignatureVariance toJetSignatureVariance(Variance variance) {
         switch (variance) {
-            case INVARIANT: return JetSignatureVariance.INVARIANT;
-            case IN_VARIANCE: return JetSignatureVariance.IN;
-            case OUT_VARIANCE: return JetSignatureVariance.OUT;
-            default: throw new IllegalStateException();
+            case INVARIANT:
+                return JetSignatureVariance.INVARIANT;
+            case IN_VARIANCE:
+                return JetSignatureVariance.IN;
+            case OUT_VARIANCE:
+                return JetSignatureVariance.OUT;
+            default:
+                throw new IllegalStateException();
         }
     }
 
@@ -260,7 +259,7 @@ public class BothSignatureWriter {
         jetSignatureWriter.visitTypeArgument(jsVariance);
         generic = true;
     }
-    
+
     public void writeTypeArgumentEnd() {
         pop();
     }
@@ -280,7 +279,7 @@ public class BothSignatureWriter {
 
         generic = true;
     }
-    
+
     public void writeFormalTypeParameterEnd() {
         jetSignatureWriter.visitFormalTypeParameterEnd();
     }
@@ -309,7 +308,7 @@ public class BothSignatureWriter {
         push(signatureVisitor().visitClassBound());
         jetSignatureWriter.visitClassBound();
     }
-    
+
     public void writeClassBoundEnd() {
         pop();
     }
@@ -322,7 +321,7 @@ public class BothSignatureWriter {
     public void writeInterfaceBoundEnd() {
         pop();
     }
-    
+
     public void writeParametersStart() {
         transitionState(State.TYPE_PARAMETERS, State.PARAMETERS);
 
@@ -351,7 +350,7 @@ public class BothSignatureWriter {
 
         //jetSignatureWriter.visitParameterType();
     }
-    
+
     public void writeParameterTypeEnd() {
         pop();
 
@@ -386,10 +385,10 @@ public class BothSignatureWriter {
         push(signatureVisitor().visitReturnType());
         //jetSignatureWriter.visitReturnType();
     }
-    
+
     public void writeReturnTypeEnd() {
         pop();
-        
+
         kotlinReturnType = jetSignatureWriter.toString();
 
         if (jvmCurrentType == null) {
@@ -407,13 +406,13 @@ public class BothSignatureWriter {
         jetSignatureWriter = null;
         transitionState(State.RETURN_TYPE, State.METHOD_END);
     }
-    
+
     public void writeVoidReturn() {
         writeReturnType();
         writeAsmType(Type.VOID_TYPE, false);
         writeReturnTypeEnd();
     }
-    
+
     public void writeSupersStart() {
         transitionState(State.TYPE_PARAMETERS, State.SUPERS);
         jetSignatureWriter = new JetSignatureWriter();
@@ -434,7 +433,7 @@ public class BothSignatureWriter {
         push(signatureVisitor().visitSuperclass());
         jetSignatureWriter.visitSuperclass();
     }
-    
+
     public void writeSuperclassEnd() {
         pop();
         if (!visitors.isEmpty()) {
@@ -458,7 +457,6 @@ public class BothSignatureWriter {
     }
 
 
-
     @NotNull
     public Method makeAsmMethod(String name) {
         List<Type> jvmParameterTypes = new ArrayList<Type>(kotlinParameterTypes.size());
@@ -476,7 +474,7 @@ public class BothSignatureWriter {
         checkTopLevel();
         return generic ? signatureWriter.toString() : null;
     }
-    
+
     @NotNull
     public List<JvmMethodParameterSignature> makeKotlinParameterTypes() {
         checkState(State.METHOD_END);
@@ -489,7 +487,7 @@ public class BothSignatureWriter {
         checkState(State.METHOD_END);
         return kotlinReturnType;
     }
-    
+
     public String makeKotlinMethodTypeParameters() {
         checkState(State.METHOD_END);
         return kotlinClassParameters;
@@ -522,5 +520,4 @@ public class BothSignatureWriter {
             return new JvmMethodSignature(makeAsmMethod(name), makeKotlinParameterTypes());
         }
     }
-
 }

compiler/backend/src/org/jetbrains/jet/codegen/signature/JvmClassSignature.java

@@ -30,8 +30,10 @@ public class JvmClassSignature {
     private final String javaGenericSignature;
     private final String kotlinGenericSignature;
 
-    public JvmClassSignature(String name, String superclassName, List<String> interfaces,
-            @Nullable String javaGenericSignature, @Nullable String kotlinGenericSignature) {
+    public JvmClassSignature(
+            String name, String superclassName, List<String> interfaces,
+            @Nullable String javaGenericSignature, @Nullable String kotlinGenericSignature
+    ) {
         this.name = name;
         this.superclassName = superclassName;
         this.interfaces = interfaces;

compiler/backend/src/org/jetbrains/jet/codegen/signature/JvmMethodParameterKind.java

@@ -16,8 +16,6 @@
 
 package org.jetbrains.jet.codegen.signature;
 
-import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
-
 /**
  * @author Stepan Koltsov
  */

compiler/backend/src/org/jetbrains/jet/codegen/signature/JvmMethodParameterSignature.java

@@ -31,7 +31,8 @@ public class JvmMethodParameterSignature {
     private final JvmMethodParameterKind kind;
 
     public JvmMethodParameterSignature(
-            @NotNull Type asmType, @NotNull String kotlinSignature, @NotNull JvmMethodParameterKind kind) {
+            @NotNull Type asmType, @NotNull String kotlinSignature, @NotNull JvmMethodParameterKind kind
+    ) {
         this.asmType = asmType;
         this.kotlinSignature = kotlinSignature;
         this.kind = kind;

compiler/backend/src/org/jetbrains/jet/codegen/signature/JvmMethodSignature.java

@@ -31,7 +31,9 @@ public class JvmMethodSignature {
 
     @NotNull
     private final Method asmMethod;
-    /** Null when we don't care about type parameters */
+    /**
+     * Null when we don't care about type parameters
+     */
     private final String genericsSignature;
     private final String kotlinTypeParameter;
     @NotNull
@@ -44,8 +46,13 @@ public class JvmMethodSignature {
      */
     private final boolean genericsAvailable;
 
-    public JvmMethodSignature(@NotNull Method asmMethod, @Nullable String genericsSignature,
-            @Nullable String kotlinTypeParameters, @NotNull List<JvmMethodParameterSignature> kotlinParameterTypes, @NotNull String kotlinReturnType) {
+    public JvmMethodSignature(
+            @NotNull Method asmMethod,
+            @Nullable String genericsSignature,
+            @Nullable String kotlinTypeParameters,
+            @NotNull List<JvmMethodParameterSignature> kotlinParameterTypes,
+            @NotNull String kotlinReturnType
+    ) {
         this.asmMethod = asmMethod;
         this.genericsSignature = genericsSignature;
         this.kotlinTypeParameter = kotlinTypeParameters;
@@ -53,7 +60,7 @@ public class JvmMethodSignature {
         this.kotlinReturnType = kotlinReturnType;
         this.genericsAvailable = true;
     }
-    
+
     public JvmMethodSignature(@NotNull Method asmMethod, @NotNull List<JvmMethodParameterSignature> kotlinParameterTypes) {
         this.asmMethod = asmMethod;
         this.genericsSignature = null;
@@ -62,11 +69,16 @@ public class JvmMethodSignature {
         this.kotlinReturnType = "";
         this.genericsAvailable = false;
     }
-    
-    public static JvmMethodSignature simple(@NotNull String methodName, @NotNull Type returnType, @NotNull List<JvmMethodParameterSignature> parameterSignatures) {
-        return new JvmMethodSignature(new Method(methodName, returnType, getTypes(parameterSignatures).toArray(new Type[0])), parameterSignatures);
+
+    public static JvmMethodSignature simple(
+            @NotNull String methodName,
+            @NotNull Type returnType,
+            @NotNull List<JvmMethodParameterSignature> parameterSignatures
+    ) {
+        return new JvmMethodSignature(new Method(methodName, returnType, getTypes(parameterSignatures).toArray(new Type[0])),
+                                      parameterSignatures);
     }
-    
+
     @NotNull
     private static List<Type> getTypes(@NotNull List<JvmMethodParameterSignature> signatures) {
         List<Type> r = new ArrayList<Type>(signatures.size());
@@ -103,12 +115,12 @@ public class JvmMethodSignature {
         checkGenericsAvailable();
         return kotlinParameterTypes;
     }
-    
+
     public int getParameterCount() {
         // TODO: slow
         return asmMethod.getArgumentTypes().length;
     }
-    
+
     @NotNull
     public String getKotlinParameterType(int i) {
         checkGenericsAvailable();
@@ -125,7 +137,7 @@ public class JvmMethodSignature {
         checkGenericsAvailable();
         return kotlinReturnType;
     }
-    
+
     public List<Type> getValueParameterTypes() {
         List<Type> r = new ArrayList<Type>(kotlinParameterTypes.size());
         for (JvmMethodParameterSignature p : kotlinParameterTypes) {

compiler/backend/src/org/jetbrains/jet/codegen/signature/JvmPropertyAccessorSignature.java

@@ -17,7 +17,6 @@
 package org.jetbrains.jet.codegen.signature;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.codegen.signature.JvmMethodSignature;
 
 /**
  * @author Stepan Koltsov

compiler/backend/src/org/jetbrains/jet/codegen/signature/kotlin/JetMethodAnnotationWriter.java

@@ -17,10 +17,10 @@
 package org.jetbrains.jet.codegen.signature.kotlin;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
-import org.jetbrains.jet.utils.BitSetUtils;
 import org.jetbrains.asm4.AnnotationVisitor;
 import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
+import org.jetbrains.jet.utils.BitSetUtils;
 
 import java.util.BitSet;
 
@@ -58,13 +58,13 @@ public class JetMethodAnnotationWriter {
             av.visit(JvmStdlibNames.JET_METHOD_PROPERTY_TYPE_FIELD, propertyType);
         }
     }
-    
+
     public void writeNullableReturnType(boolean nullableReturnType) {
         if (nullableReturnType) {
             av.visit(JvmStdlibNames.JET_METHOD_NULLABLE_RETURN_TYPE_FIELD, nullableReturnType);
         }
     }
-    
+
     public void visitEnd() {
         av.visitEnd();
     }

compiler/backend/src/org/jetbrains/jet/codegen/signature/kotlin/JetValueParameterAnnotationWriter.java

@@ -17,9 +17,9 @@
 package org.jetbrains.jet.codegen.signature.kotlin;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
 import org.jetbrains.asm4.AnnotationVisitor;
 import org.jetbrains.asm4.MethodVisitor;
+import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
 
 /**
  * @author Stepan Koltsov