Initial implementation of klib components.

(cherry picked from commit e1db35b825dabc5eb8f48a24fe6a46b0a0e87714)

build.gradle

@@ -402,6 +402,7 @@ task distEndorsedLibraries {
 }
 
 def stdlib = 'klib/common/stdlib'
+def stdlibDefaultComponent = "$stdlib/default"
 def endorsedLibs = 'klib/common/endorsedLibraries'
 def endorsedLibsBase = 'klib/common'
 
@@ -437,7 +438,7 @@ targetList.each { target ->
 
         from(project(':runtime').file("build/$target")) {
             include("runtime.bc")
-            into("$stdlib/targets/$target/native")
+            into("$stdlibDefaultComponent/targets/$target/native")
         }
         from(project(':runtime').file("build/$target")) {
             include("*.bc")
@@ -446,10 +447,10 @@ targetList.each { target ->
         }
         from(project(':runtime').file("build/${target}Stdlib")) {
             include('**')
-            into(stdlib)
+            into(stdlibDefaultComponent)
         }
         if (target == 'wasm32') {
-            into("$stdlib/targets/wasm32/included") {
+            into("$stdlibDefaultComponent/targets/wasm32/included") {
                 from(project(':runtime').file('src/main/js'))
                 from(project(':runtime').file('src/launcher/js'))
                 from(project(':Interop:JsRuntime').file('src/main/js'))

shared/src/library/kotlin/org/jetbrains/kotlin/konan/library/KonanLibraryLayout.kt

@@ -22,13 +22,12 @@ import org.jetbrains.kotlin.library.IrKotlinLibraryLayout
 import org.jetbrains.kotlin.library.KotlinLibraryLayout
 import org.jetbrains.kotlin.library.MetadataKotlinLibraryLayout
 
-
 interface TargetedKotlinLibraryLayout : KotlinLibraryLayout {
     val target: KonanTarget?
         // This is a default implementation. Can't make it an assignment.
         get() = null
     val targetsDir
-        get() = File(libDir, "targets")
+        get() = File(componentDir, "targets")
     val targetDir
         get() = File(targetsDir, target!!.visibleName)
     val includedDir

shared/src/library/kotlin/org/jetbrains/kotlin/konan/library/SearchPathResolver.kt

@@ -3,7 +3,7 @@ package org.jetbrains.kotlin.konan.library
 import org.jetbrains.kotlin.konan.CompilerVersion
 import org.jetbrains.kotlin.konan.file.File
 import org.jetbrains.kotlin.konan.library.impl.KonanLibraryImpl
-import org.jetbrains.kotlin.konan.library.impl.createKonanLibrary
+import org.jetbrains.kotlin.konan.library.impl.createKonanLibraryComponents
 import org.jetbrains.kotlin.konan.target.Distribution
 import org.jetbrains.kotlin.konan.target.KonanTarget
 import org.jetbrains.kotlin.library.*
@@ -60,7 +60,7 @@ fun resolverByName(
         skipCurrentDir,
         logger
     ) {
-        override fun libraryBuilder(file: File, isDefault: Boolean) = createKonanLibrary(file, null, isDefault)
+        override fun libraryComponentBuilder(file: File, isDefault: Boolean) = createKonanLibraryComponents(file, null, isDefault)
     }
 
 internal class KonanLibraryProperResolver(
@@ -84,7 +84,7 @@ internal class KonanLibraryProperResolver(
     listOf(KLIB_INTEROP_IR_PROVIDER_IDENTIFIER)
 ),  SearchPathResolverWithTarget<KonanLibrary>
 {
-    override fun libraryBuilder(file: File, isDefault: Boolean) = createKonanLibrary(file, target, isDefault)
+    override fun libraryComponentBuilder(file: File, isDefault: Boolean) = createKonanLibraryComponents(file, target, isDefault)
 
     override val distPlatformHead: File?
         get() = distributionKlib?.File()?.child("platform")?.child(target.visibleName)

shared/src/library/kotlin/org/jetbrains/kotlin/konan/library/impl/KonanLibraryImpl.kt

@@ -89,14 +89,15 @@ class KonanLibraryImpl(
 
 fun createKonanLibrary(
     libraryFile: File,
+    component: String,
     target: KonanTarget? = null,
     isDefault: Boolean = false
 ): KonanLibrary {
-    val baseAccess = BaseLibraryAccess<KotlinLibraryLayout>(libraryFile)
-    val targetedAccess = TargetedLibraryAccess<TargetedKotlinLibraryLayout>(libraryFile, target)
-    val metadataAccess = MetadataLibraryAccess<MetadataKotlinLibraryLayout>(libraryFile)
-    val irAccess = IrLibraryAccess<IrKotlinLibraryLayout>(libraryFile)
-    val bitcodeAccess = BitcodeLibraryAccess<BitcodeKotlinLibraryLayout>(libraryFile, target)
+    val baseAccess = BaseLibraryAccess<KotlinLibraryLayout>(libraryFile, component)
+    val targetedAccess = TargetedLibraryAccess<TargetedKotlinLibraryLayout>(libraryFile, component, target)
+    val metadataAccess = MetadataLibraryAccess<MetadataKotlinLibraryLayout>(libraryFile, component)
+    val irAccess = IrLibraryAccess<IrKotlinLibraryLayout>(libraryFile, component)
+    val bitcodeAccess = BitcodeLibraryAccess<BitcodeKotlinLibraryLayout>(libraryFile, component, target)
 
     val base = BaseKotlinLibraryImpl(baseAccess, isDefault)
     val targeted = TargetedLibraryImpl(targetedAccess, base)
@@ -106,3 +107,15 @@ fun createKonanLibrary(
 
     return KonanLibraryImpl(targeted, metadata, ir, bitcode)
 }
+
+fun createKonanLibraryComponents(
+    libraryFile: File,
+    target: KonanTarget? = null,
+    isDefault: Boolean = true
+) : List<KonanLibrary> {
+    val baseAccess = BaseLibraryAccess<KotlinLibraryLayout>(libraryFile, null)
+    val base = BaseKotlinLibraryImpl(baseAccess, isDefault)
+    return base.componentList.map {
+        createKonanLibrary(libraryFile, it, target, isDefault)
+    }
+}

shared/src/library/kotlin/org/jetbrains/kotlin/konan/library/impl/KonanLibraryLayoutImpl.kt

@@ -7,8 +7,8 @@ import org.jetbrains.kotlin.library.*
 import org.jetbrains.kotlin.library.impl.*
 import java.nio.file.FileSystem
 
-open class TargetedLibraryLayoutImpl(klib: File, override val target: KonanTarget?) :
-    KotlinLibraryLayoutImpl(klib), TargetedKotlinLibraryLayout {
+open class TargetedLibraryLayoutImpl(klib: File, component: String, override val target: KonanTarget?) :
+    KotlinLibraryLayoutImpl(klib, component), TargetedKotlinLibraryLayout {
 
     override val extractingToTemp: TargetedKotlinLibraryLayout by lazy {
         ExtractingTargetedLibraryImpl(this)
@@ -19,8 +19,8 @@ open class TargetedLibraryLayoutImpl(klib: File, override val target: KonanTarge
 
 }
 
-class BitcodeLibraryLayoutImpl(klib: File, target: KonanTarget?) : TargetedLibraryLayoutImpl(klib, target),
-    BitcodeKotlinLibraryLayout {
+class BitcodeLibraryLayoutImpl(klib: File, component: String, target: KonanTarget?) :
+    TargetedLibraryLayoutImpl(klib, component, target), BitcodeKotlinLibraryLayout {
     override val extractingToTemp: BitcodeKotlinLibraryLayout by lazy {
         ExtractingBitcodeLibraryImpl(this)
     }
@@ -30,14 +30,14 @@ class BitcodeLibraryLayoutImpl(klib: File, target: KonanTarget?) : TargetedLibra
 
 }
 
-open class TargetedLibraryAccess<L : KotlinLibraryLayout>(klib: File, val target: KonanTarget?) :
-    BaseLibraryAccess<L>(klib) {
-    override val layout = TargetedLibraryLayoutImpl(klib, target)
+open class TargetedLibraryAccess<L : KotlinLibraryLayout>(klib: File, component: String, val target: KonanTarget?) :
+    BaseLibraryAccess<L>(klib, component) {
+    override val layout = TargetedLibraryLayoutImpl(klib, component, target)
 }
 
-open class BitcodeLibraryAccess<L : KotlinLibraryLayout>(klib: File, target: KonanTarget?) :
-    TargetedLibraryAccess<L>(klib, target) {
-    override val layout = BitcodeLibraryLayoutImpl(klib, target)
+open class BitcodeLibraryAccess<L : KotlinLibraryLayout>(klib: File, component: String, target: KonanTarget?) :
+    TargetedLibraryAccess<L>(klib, component, target) {
+    override val layout = BitcodeLibraryLayoutImpl(klib, component, target)
 }
 
 private open class FromZipTargetedLibraryImpl(zipped: TargetedLibraryLayoutImpl, zipFileSystem: FileSystem) :