[K/N] add header_cache output type

^KT-65443

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/CacheBinariesResolver.kt

@@ -47,6 +47,7 @@ internal fun resolveCacheBinaries(
         val list = when (cache.kind) {
             CachedLibraries.Kind.DYNAMIC -> dynamicCaches
             CachedLibraries.Kind.STATIC -> staticCaches
+            CachedLibraries.Kind.HEADER -> error("Header cache ${cache.path} cannot be used for linking")
         }
 
         list += if (dependency.kind is DependenciesTracker.DependencyKind.CertainFiles && cache is CachedLibraries.Cache.PerFile)

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/CachedLibraries.kt

@@ -42,7 +42,7 @@ class CachedLibraries(
         autoCacheDirectory: File,
         autoCacheableFrom: List<File>
 ) {
-    enum class Kind { DYNAMIC, STATIC }
+    enum class Kind { DYNAMIC, STATIC, HEADER }
 
     sealed class Cache(protected val target: KonanTarget, val kind: Kind, val path: String, val rootDirectory: String) {
         val bitcodeDependencies by lazy { computeBitcodeDependencies() }
@@ -60,6 +60,7 @@ class CachedLibraries(
         protected fun Kind.toCompilerOutputKind(): CompilerOutputKind = when (this) {
             Kind.DYNAMIC -> CompilerOutputKind.DYNAMIC_CACHE
             Kind.STATIC -> CompilerOutputKind.STATIC_CACHE
+            Kind.HEADER -> CompilerOutputKind.HEADER_CACHE
         }
 
         class Monolithic(target: KonanTarget, kind: Kind, path: String)
@@ -154,6 +155,7 @@ class CachedLibraries(
         val baseName = getCachedLibraryName(library)
         val dynamicFile = cacheBinaryPartDir.child(getArtifactName(target, baseName, CompilerOutputKind.DYNAMIC_CACHE))
         val staticFile = cacheBinaryPartDir.child(getArtifactName(target, baseName, CompilerOutputKind.STATIC_CACHE))
+        val headerFile = cacheBinaryPartDir.child(getArtifactName(target, baseName, CompilerOutputKind.HEADER_CACHE))
 
         if (dynamicFile.absolutePath in cacheBinaryPartDirContents && staticFile.absolutePath in cacheBinaryPartDirContents)
             error("Both dynamic and static caches files cannot be in the same directory." +
@@ -161,6 +163,7 @@ class CachedLibraries(
         return when {
             dynamicFile.absolutePath in cacheBinaryPartDirContents -> Cache.Monolithic(target, Kind.DYNAMIC, dynamicFile.absolutePath)
             staticFile.absolutePath in cacheBinaryPartDirContents -> Cache.Monolithic(target, Kind.STATIC, staticFile.absolutePath)
+            headerFile.absolutePath in cacheBinaryPartDirContents -> Cache.Monolithic(target, Kind.HEADER, headerFile.absolutePath)
             else -> {
                 val libraryFileDirs = library.getFilesWithFqNames().map {
                     child(CacheSupport.cacheFileId(it.fqName, it.filePath))
@@ -212,14 +215,14 @@ class CachedLibraries(
     val hasStaticCaches = allCaches.values.any {
         when (it.kind) {
             Kind.STATIC -> true
-            Kind.DYNAMIC -> false
+            else -> false
         }
     }
 
     val hasDynamicCaches = allCaches.values.any {
         when (it.kind) {
-            Kind.STATIC -> false
             Kind.DYNAMIC -> true
+            else -> false
         }
     }
 

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/CompilerOutput.kt

@@ -20,7 +20,7 @@ import java.io.File
 val KonanConfig.isFinalBinary: Boolean get() = when (this.produce) {
     CompilerOutputKind.PROGRAM, CompilerOutputKind.DYNAMIC,
     CompilerOutputKind.STATIC -> true
-    CompilerOutputKind.DYNAMIC_CACHE, CompilerOutputKind.STATIC_CACHE,
+    CompilerOutputKind.DYNAMIC_CACHE, CompilerOutputKind.STATIC_CACHE, CompilerOutputKind.HEADER_CACHE,
     CompilerOutputKind.LIBRARY, CompilerOutputKind.BITCODE -> false
     CompilerOutputKind.FRAMEWORK -> !omitFrameworkBinary
     CompilerOutputKind.TEST_BUNDLE -> true
@@ -55,9 +55,15 @@ internal val CacheDeserializationStrategy?.containsRuntime: Boolean
 internal val NativeGenerationState.shouldLinkRuntimeNativeLibraries: Boolean
     get() = producedLlvmModuleContainsStdlib && cacheDeserializationStrategy.containsRuntime
 
-val CompilerOutputKind.isCache: Boolean
+val CompilerOutputKind.isFullCache: Boolean
     get() = this == CompilerOutputKind.STATIC_CACHE || this == CompilerOutputKind.DYNAMIC_CACHE
 
+val CompilerOutputKind.isHeaderCache: Boolean
+    get() = this == CompilerOutputKind.HEADER_CACHE
+
+val CompilerOutputKind.isCache: Boolean
+    get() = this.isFullCache || this.isHeaderCache
+
 internal fun produceCStubs(generationState: NativeGenerationState) {
     generationState.cStubsManager.compile(
             generationState.config.clang,

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/driver/DynamicCompilerDriver.kt

@@ -44,7 +44,7 @@ internal class DynamicCompilerDriver : CompilerDriver() {
                         CompilerOutputKind.BITCODE -> error("Bitcode output kind is obsolete.")
                         CompilerOutputKind.DYNAMIC_CACHE -> produceBinary(engine, config, environment)
                         CompilerOutputKind.STATIC_CACHE -> produceBinary(engine, config, environment)
-                        CompilerOutputKind.PRELIMINARY_CACHE -> TODO()
+                        CompilerOutputKind.HEADER_CACHE -> produceBinary(engine, config, environment)
                         CompilerOutputKind.TEST_BUNDLE -> produceBundle(engine, config, environment)
                     }
                 }

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/driver/phases/TopLevelPhases.kt

@@ -90,6 +90,14 @@ internal fun <C : PhaseContext> PhaseEngine<C>.runBackend(backendContext: Contex
         fun runAfterLowerings(fragment: BackendJobFragment, generationState: NativeGenerationState) {
             val tempFiles = createTempFiles(config, fragment.cacheDeserializationStrategy)
             val outputFiles = generationState.outputFiles
+            if (context.config.produce.isHeaderCache) {
+                newEngine(generationState) { generationStateEngine ->
+                    generationStateEngine.runPhase(SaveAdditionalCacheInfoPhase)
+                    File(outputFiles.nativeBinaryFile).createNew()
+                    generationStateEngine.runPhase(FinalizeCachePhase, outputFiles)
+                }
+                return
+            }
             try {
                 backendEngine.useContext(generationState) { generationStateEngine ->
                     val bitcodeFile = tempFiles.create(generationState.llvmModuleName, ".bc").javaFile()
@@ -258,7 +266,7 @@ internal fun PhaseEngine<NativeGenerationState>.compileModule(module: IrModuleFr
     if (checkExternalCalls) {
         runPhase(RewriteExternalCallsCheckerGlobals)
     }
-    if (context.config.produce.isCache) {
+    if (context.config.produce.isFullCache) {
         runPhase(SaveAdditionalCacheInfoPhase)
     }
     runPhase(WriteBitcodeFilePhase, WriteBitcodeFileInput(context.llvm.module, bitcodeFile))
@@ -275,10 +283,10 @@ internal fun <C : PhaseContext> PhaseEngine<C>.compileAndLink(
     runPhase(ObjectFilesPhase, ObjectFilesPhaseInput(moduleCompilationOutput.bitcodeFile, compilationResult))
     val linkerOutputKind = determineLinkerOutput(context)
     val (linkerInput, cacheBinaries) = run {
-        val resolvedCacheBinaries = resolveCacheBinaries(context.config.cachedLibraries, moduleCompilationOutput.dependenciesTrackingResult)
+        val resolvedCacheBinaries by lazy { resolveCacheBinaries(context.config.cachedLibraries, moduleCompilationOutput.dependenciesTrackingResult) }
         when {
             context.config.produce == CompilerOutputKind.STATIC_CACHE -> {
-                compilationResult to ResolvedCacheBinaries(emptyList(), resolvedCacheBinaries.dynamic)
+                compilationResult to ResolvedCacheBinaries(emptyList(), emptyList())
             }
             shouldPerformPreLink(context.config, resolvedCacheBinaries, linkerOutputKind) -> {
                 val prelinkResult = temporaryFiles.create("withStaticCaches", ".o").javaFile()

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinProjectExtension.kt

@@ -366,7 +366,8 @@ abstract class KotlinAndroidProjectExtension(project: Project) : KotlinSingleTar
 enum class NativeCacheKind(val produce: String?, val outputKind: CompilerOutputKind?) {
     NONE(null, null),
     DYNAMIC("dynamic_cache", CompilerOutputKind.DYNAMIC_CACHE),
-    STATIC("static_cache", CompilerOutputKind.STATIC_CACHE);
+    STATIC("static_cache", CompilerOutputKind.STATIC_CACHE),
+    HEADER("header_cache", CompilerOutputKind.HEADER_CACHE);
 
     companion object {
         fun byCompilerArgument(argument: String): NativeCacheKind? =

native/utils/src/org/jetbrains/kotlin/konan/target/CompilerOutputKind.kt

@@ -38,8 +38,8 @@ enum class CompilerOutputKind {
         override fun suffix(target: KonanTarget?) = ".${target!!.family.staticSuffix}"
         override fun prefix(target: KonanTarget?) = target!!.family.staticPrefix
     },
-    PRELIMINARY_CACHE {
+    HEADER_CACHE {
-        override fun suffix(target: KonanTarget?) = ""
+        override fun suffix(target: KonanTarget?) = ".header"
     };
 
     abstract fun suffix(target: KonanTarget? = null): String