Deprecations cleanup: sequence -> asSequence

compiler/frontend/src/org/jetbrains/kotlin/resolve/CompositeBindingContext.kt

@@ -30,7 +30,7 @@ public class CompositeBindingContext private constructor(
         private val delegates: List<BindingContext>
 ) : BindingContext {
     override fun getType(expression: JetExpression): JetType? {
-        return delegates.sequence().map { it.getType(expression) }.firstOrNull { it != null }
+        return delegates.asSequence().map { it.getType(expression) }.firstOrNull { it != null }
     }
 
     companion object {
@@ -42,7 +42,7 @@ public class CompositeBindingContext private constructor(
     }
 
     override fun <K, V> get(slice: ReadOnlySlice<K, V>?, key: K?): V? {
-        return delegates.sequence().map { it[slice, key] }.firstOrNull { it != null }
+        return delegates.asSequence().map { it[slice, key] }.firstOrNull { it != null }
     }
 
     override fun <K, V> getKeys(slice: WritableSlice<K, V>?): Collection<K> {
@@ -65,8 +65,7 @@ public class CompositeBindingContext private constructor(
     ) : Diagnostics {
 
         override fun iterator(): Iterator<Diagnostic> {
-            val emptyStream = listOf<Diagnostic>().sequence()
+            return delegates.fold(emptySequence<Diagnostic>(), { r, t -> r + t.asSequence() }).iterator()
-            return delegates.fold(emptyStream, { r, t -> r + t.sequence() }).iterator()
         }
 
         override val modificationTracker = object : ModificationTracker {

compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/descriptors/LazyAnnotations.kt

@@ -77,7 +77,7 @@ public class LazyAnnotations(
 
     override fun findExternalAnnotation(fqName: FqName) = null
 
-    override fun iterator(): Iterator<AnnotationDescriptor> = annotationEntries.sequence().map(annotation).iterator()
+    override fun iterator(): Iterator<AnnotationDescriptor> = annotationEntries.asSequence().map(annotation).iterator()
 
     override fun forceResolveAllContents() {
         // To resolve all entries

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

@@ -53,7 +53,7 @@ public object InlineTestUtil {
 
 
         val skipParameterChecking =
-                sourceFiles.sequence().filter {
+                sourceFiles.asSequence().filter {
                     InTextDirectivesUtils.isDirectiveDefined(it.getText(), "NO_CHECK_LAMBDA_INLINING")
                 }.any()
 

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/lazy/LazyJavaAnnotations.kt

@@ -39,7 +39,7 @@ class LazyJavaAnnotations(
             c.externalAnnotationResolver.findExternalAnnotation(annotationOwner, fqName)?.let(annotationDescriptors)
 
     override fun iterator() =
-            annotationOwner.getAnnotations().sequence().map(annotationDescriptors).filterNotNull().iterator()
+            annotationOwner.getAnnotations().asSequence().map(annotationDescriptors).filterNotNull().iterator()
 
     override fun isEmpty() = !iterator().hasNext()
 }
@@ -56,7 +56,7 @@ class FilteredAnnotations(
             if (fqNameFilter(fqName)) delegate.findExternalAnnotation(fqName)
             else null
 
-    override fun iterator() = delegate.sequence()
+    override fun iterator() = delegate.asSequence()
             .filter { annotation ->
                 val descriptor = annotation.getType().getConstructor().getDeclarationDescriptor()
                 descriptor != null && DescriptorUtils.getFqName(descriptor).let { fqName ->

core/reflection.jvm/src/kotlin/reflect/jvm/internal/KClassImpl.kt

@@ -80,7 +80,7 @@ class KClassImpl<T>(override val jClass: Class<T>) : KCallableContainerImpl(), K
             }
 
     private fun <P : KProperty<*>> getProperties(extension: Boolean, declared: Boolean, create: (PropertyDescriptor) -> P): Collection<P> =
-            scope.getAllDescriptors().sequence()
+            scope.getAllDescriptors().asSequence()
                     .filterIsInstance<PropertyDescriptor>()
                     .filter { descriptor ->
                         (descriptor.getExtensionReceiverParameter() != null) == extension &&

idea/ide-common/src/org/jetbrains/kotlin/idea/util/extensionsUtils.kt

@@ -53,7 +53,7 @@ public fun CallableDescriptor.substituteExtensionIfCallable(
         callType: CallType,
         containingDeclarationOrModule: DeclarationDescriptor
 ): Collection<CallableDescriptor> {
-    val sequence = receivers.sequence().flatMap { substituteExtensionIfCallable(it, callType, context, dataFlowInfo, containingDeclarationOrModule).sequence() }
+    val sequence = receivers.asSequence().flatMap { substituteExtensionIfCallable(it, callType, context, dataFlowInfo, containingDeclarationOrModule).asSequence() }
     if (getTypeParameters().isEmpty()) { // optimization for non-generic callables
         return sequence.firstOrNull()?.let { listOf(it) } ?: listOf()
     }
@@ -81,7 +81,7 @@ public fun CallableDescriptor.substituteExtensionIfCallable(
     if (!receiver.exists()) return listOf()
     if (!callType.canCall(this)) return listOf()
 
-    var types = SmartCastUtils.getSmartCastVariants(receiver, bindingContext, containingDeclarationOrModule, dataFlowInfo).sequence()
+    var types = SmartCastUtils.getSmartCastVariants(receiver, bindingContext, containingDeclarationOrModule, dataFlowInfo).asSequence()
 
     if (callType == CallType.SAFE) {
         types = types.map { it.makeNotNullable() }

idea/src/org/jetbrains/kotlin/idea/actions/internal/CheckPartialBodyResolveAction.kt

@@ -167,7 +167,7 @@ public class CheckPartialBodyResolveAction : AnAction() {
     private fun allKotlinFiles(filesOrDirs: Array<VirtualFile>, project: Project): Sequence<JetFile> {
         val manager = PsiManager.getInstance(project)
         return allFiles(filesOrDirs)
-                .sequence()
+                .asSequence()
                 .map { manager.findFile(it) as? JetFile }
                 .filterNotNull()
     }

idea/src/org/jetbrains/kotlin/idea/actions/internal/FindImplicitNothingAction.kt

@@ -153,7 +153,7 @@ public class FindImplicitNothingAction : AnAction() {
     private fun allKotlinFiles(filesOrDirs: Array<VirtualFile>, project: Project): Sequence<JetFile> {
         val manager = PsiManager.getInstance(project)
         return allFiles(filesOrDirs)
-                .sequence()
+                .asSequence()
                 .map { manager.findFile(it) as? JetFile }
                 .filterNotNull()
     }

idea/src/org/jetbrains/kotlin/idea/debugger/PositionManagerLibraryClassFileSearcher.kt

@@ -106,11 +106,11 @@ private fun findPackagePartFileNamesForElement(elementAt: JetElement): List<Stri
                     JdkScope(project, libraryEntry as JdkOrderEntry)
                 }
 
-    val packagePartFiles = FilenameIndex.getAllFilenames(project).sequence().filter {
+    val packagePartFiles = FilenameIndex.getAllFilenames(project).asSequence().filter {
                 it.startsWith(packagePartNameWoHash) && it.endsWith(".class") &&
                     !it.substringAfter(packagePartNameWoHash).contains("\$")
             }.flatMap {
-                FilenameIndex.getVirtualFilesByName(project, it, scope).sequence()
+        FilenameIndex.getVirtualFilesByName(project, it, scope).asSequence()
             }.map {
                 val packageFqName = file.getPackageFqName()
                 if (packageFqName.isRoot()) {

idea/src/org/jetbrains/kotlin/idea/util/psi/patternMatching/JetPsiUnifier.kt

@@ -225,12 +225,12 @@ public class JetPsiUnifier(
                 if (args1.size() != args2.size()) return UNMATCHED
                 if (rc1.getCall().getValueArguments().size() != args1.size() || rc2.getCall().getValueArguments().size() != args2.size()) return null
 
-                return (args1.sequence() zip args2.sequence()).fold(MATCHED) { s, p ->
+                return (args1.asSequence() zip args2.asSequence()).fold(MATCHED) { s, p ->
                     val (arg1, arg2) = p
                     s and when {
                         arg1 == arg2 -> MATCHED
                         arg1 == null || arg2 == null -> UNMATCHED
-                        else -> (arg1.getArguments().sequence() zip arg2.getArguments().sequence()).fold(MATCHED) { s, p ->
+                        else -> (arg1.getArguments().asSequence() zip arg2.getArguments().asSequence()).fold(MATCHED) { s, p ->
                             s and matchArguments(p.first, p.second)
                         }
                     }
@@ -737,7 +737,7 @@ public class JetPsiUnifier(
             val patternElements = pattern.elements
             if (targetElements.size() != patternElements.size()) return UNMATCHED
 
-            return (targetElements.sequence() zip patternElements.sequence()).fold(MATCHED) { s, p ->
+            return (targetElements.asSequence() zip patternElements.asSequence()).fold(MATCHED) { s, p ->
                 if (s != UNMATCHED) s and doUnify(p.first, p.second) else s
             }
         }

js/js.libraries/src/core/regex.kt

@@ -183,7 +183,7 @@ private fun RegExp.findNext(input: String, from: Int): MatchResult? {
             override fun contains(o: Any?): Boolean = this.any { it == o }
             override fun containsAll(c: Collection<Any?>): Boolean = c.all({contains(it)})
 
-            override fun iterator(): Iterator<MatchGroup?> = indices.sequence().map { this[it] }.iterator()
+            override fun iterator(): Iterator<MatchGroup?> = indices.asSequence().map { this[it] }.iterator()
 
             override fun get(index: Int): MatchGroup? = match[index]?.let { MatchGroup(it) }
         }

libraries/stdlib/src/kotlin/text/regex/RegexJVM.kt

@@ -234,7 +234,7 @@ private fun Matcher.findNext(from: Int): MatchResult? {
             override fun contains(o: Any?): Boolean = o is MatchGroup? && this.any({ it == o })
             override fun containsAll(c: Collection<Any?>): Boolean = c.all({contains(it)})
 
-            override fun iterator(): Iterator<MatchGroup?> = indices.sequence().map { this[it] }.iterator()
+            override fun iterator(): Iterator<MatchGroup?> = indices.asSequence().map { this[it] }.iterator()
             override fun get(index: Int): MatchGroup? {
                 val range = matchResult.range(index)
                 return if (range.start >= 0)