Drop package facades: get rid of isPackageClassFqName

compiler/backend/src/org/jetbrains/kotlin/codegen/SamWrapperCodegen.java

@@ -25,7 +25,6 @@ import org.jetbrains.kotlin.descriptors.impl.SimpleFunctionDescriptorImpl;
 import org.jetbrains.kotlin.fileClasses.JvmFileClassUtil;
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation;
 import org.jetbrains.kotlin.load.java.descriptors.JavaClassDescriptor;
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils;
 import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;

compiler/testData/asJava/lightClasses/nullabilityAnnotations/VoidReturn.java

@@ -1,3 +1,3 @@
 public final class VoidReturnKt {
-    public static final void foo(@org.jetbrains.annotations.NotNull java.lang.String s) { /* compiled code */ }
+    public static final void foo(@org.jetbrains.annotations.NotNull java.lang.String g) { /* compiled code */ }
 }

compiler/tests/org/jetbrains/kotlin/codegen/AbstractLineNumberTest.java

@@ -123,10 +123,6 @@ public abstract class AbstractLineNumberTest extends TestCaseWithTmpdir {
         ClassFileFactory factory = state.getFactory();
         List<Integer> actualLineNumbers = Lists.newArrayList();
         for (OutputFile outputFile : ClassFileUtilsKt.getClassFiles(factory)) {
-            if (PackageClassUtils.isPackageClassFqName(new FqName(FileUtil.getNameWithoutExtension(outputFile.getRelativePath())))) {
-                // Don't test line numbers in *Package facade classes
-                continue;
-            }
             ClassReader cr = new ClassReader(outputFile.asByteArray());
             try {
                 List<Integer> lineNumbers = testFunInvoke ? readTestFunLineNumbers(cr) : readAllLineNumbers(cr);

compiler/tests/org/jetbrains/kotlin/codegen/InlineTestUtil.kt

@@ -106,11 +106,6 @@ public object InlineTestUtil {
                         return null
                     }
 
-                    val classFqName = JvmClassName.byInternalName(className).getFqNameForClassNameWithoutDollars()
-                    if (PackageClassUtils.isPackageClassFqName(classFqName)) {
-                        return null
-                    }
-
                     return object : MethodNode(Opcodes.ASM5, access, name, desc, signature, exceptions) {
                         public override fun visitMethodInsn(opcode: Int, owner: String, name: String, desc: String, itf: Boolean) {
                             val methodCall = MethodInfo(owner, name, desc)
@@ -143,10 +138,10 @@ public object InlineTestUtil {
                 cr.accept(object : ClassVisitorWithName() {
 
                     override fun visitMethod(access: Int, name: String, desc: String, signature: String?, exceptions: Array<String>?): MethodVisitor? {
-                        val classFqName = JvmClassName.byInternalName(className).getFqNameForClassNameWithoutDollars()
+                        JvmClassName.byInternalName(className).getFqNameForClassNameWithoutDollars()
                         val declaration = MethodInfo(className, name, desc)
                         //do not check anonymous object creation in inline functions and in package facades
-                        if (PackageClassUtils.isPackageClassFqName(classFqName) || declaration in inlinedMethods) {
+                        if (declaration in inlinedMethods) {
                             return null
                         }
 

compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSMAPBaseTest.kt

@@ -33,20 +33,14 @@ public interface AbstractSMAPBaseTest {
 
     private fun extractSMAPFromClasses(outputFiles: Iterable<OutputFile>): List<SMAPAndFile> {
         return outputFiles.map { outputFile ->
-            if (PackageClassUtils.isPackageClassFqName(FqName(FileUtil.getNameWithoutExtension(outputFile.relativePath).replace('/', '.')))) {
-                // Don't test line numbers in *Package facade classes
-                null
-            }
-            else {
-                var debugInfo: String? = null
-                ClassReader(outputFile.asByteArray()).accept(object : ClassVisitor(Opcodes.ASM5) {
-                    override fun visitSource(source: String?, debug: String?) {
-                        debugInfo = debug
-                    }
-                }, 0)
+            var debugInfo: String? = null
+            ClassReader(outputFile.asByteArray()).accept(object : ClassVisitor(Opcodes.ASM5) {
+                override fun visitSource(source: String?, debug: String?) {
+                    debugInfo = debug
+                }
+            }, 0)
 
-                SMAPAndFile.SMAPAndFile(debugInfo, outputFile.sourceFiles.single())
-            }
+            SMAPAndFile.SMAPAndFile(debugInfo, outputFile.sourceFiles.single())
         }.filterNotNull()
     }
 

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/PackageClassUtils.java

@@ -57,8 +57,4 @@ public final class PackageClassUtils {
     public static String getPackageClassInternalName(@NotNull FqName packageFQN) {
         return JvmClassName.byFqNameWithoutInnerClasses(getPackageClassFqName(packageFQN)).getInternalName();
     }
-
-    public static boolean isPackageClassFqName(@NotNull FqName fqName) {
-        return !fqName.isRoot() && getPackageClassFqName(fqName.parent()).equals(fqName);
-    }
 }

idea/src/org/jetbrains/kotlin/idea/debugger/filter/KotlinSyntheticTypeComponentProvider.kt

@@ -30,11 +30,6 @@ public class KotlinSyntheticTypeComponentProvider: SyntheticTypeComponentProvide
         val typeName = typeComponent.declaringType().name()
         if (!FqNameUnsafe.isValid(typeName)) return false
 
-        if (PackageClassUtils.isPackageClassFqName(FqName(typeName)))  {
-            val lineNumber = typeComponent.location().lineNumber()
-            return lineNumber == 1
-        }
-
         return false
     }
 }