[klib] Add an option to write out header klibs

The header klib is supposed to only contain the public abi of the module
similar to jvm-abi-gen. It is intended to be used as a dependency for other
klib compilations instead of the full klib for compilation avoidance.

^KT-60807

native/native.tests/testData/klib/header-klibs/comparison/anonymousObjects/base/test.kt

@@ -0,0 +1,7 @@
+package test
+
+private val x = object { fun f() = 1 }
+
+fun g() =
+    x.f() +
+        object { fun f() = 0 }.f()

native/native.tests/testData/klib/header-klibs/comparison/anonymousObjects/sameAbi/test.kt

@@ -0,0 +1,3 @@
+package test
+
+fun g() = 1

native/native.tests/testData/klib/header-klibs/comparison/classFlags/base/Class.kt

@@ -0,0 +1,3 @@
+package test
+
+class Class

native/native.tests/testData/klib/header-klibs/comparison/classFlags/differentAbi/Class.kt

@@ -0,0 +1,3 @@
+package test
+
+open class Class

native/native.tests/testData/klib/header-klibs/comparison/classPrivateMembers/base/A.kt

@@ -0,0 +1,18 @@
+package test
+
+class A {
+    val publicVal = 0
+    fun publicMethod() = 0
+
+    internal val internalVal = 0
+    internal fun internalMethod() = 0
+
+    protected val protectedVal = 0
+    protected fun protectedMethod() = 0
+
+    private val privateVal = 0
+    private fun privateMethod() = 0
+
+    val publicValBody = internalMethod() + privateMethod() + 2
+    val publicMethodBody = publicValBody + 2
+}

native/native.tests/testData/klib/header-klibs/comparison/classPrivateMembers/sameAbi/A.kt

@@ -0,0 +1,15 @@
+package test
+
+class A {
+    val publicVal = 0
+    fun publicMethod() = 0
+
+    internal val internalVal = 42
+    internal fun internalMethod() = 42
+
+    protected val protectedVal = 0
+    protected fun protectedMethod() = 0
+
+    val publicValBody = internalMethod() + 1
+    val publicMethodBody = publicValBody + 1
+}

native/native.tests/testData/klib/header-klibs/comparison/constant/base/const.kt

@@ -0,0 +1,3 @@
+package test
+
+const val x = 0

native/native.tests/testData/klib/header-klibs/comparison/constant/differentAbi/const.kt

@@ -0,0 +1,3 @@
+package test
+
+const val x = 1

native/native.tests/testData/klib/header-klibs/comparison/declarationOrderInline/base/test.kt

@@ -0,0 +1,4 @@
+package test
+
+inline fun f() = 1
+inline fun g() = 2

native/native.tests/testData/klib/header-klibs/comparison/declarationOrderInline/differentAbi/test.kt

@@ -0,0 +1,7 @@
+package test
+
+inline fun g() = 2
+
+inline fun f() = 1
+
+// This changes the line numbers in f, g

native/native.tests/testData/klib/header-klibs/comparison/functionBody/base/function.kt

@@ -0,0 +1,10 @@
+package test
+
+fun sum(x: Int, y: Int): Int =
+    try {
+        var result = x
+        result += y
+        result
+    } finally {
+        // do nothing
+    }

native/native.tests/testData/klib/header-klibs/comparison/functionBody/sameAbi/function.kt

@@ -0,0 +1,3 @@
+package test
+
+fun sum(x: Int, y: Int): Int = y + x

native/native.tests/testData/klib/header-klibs/comparison/inlineFunInPrivateClass/base/anonymousObject.kt

@@ -0,0 +1,9 @@
+private class A {
+    inline fun test(crossinline s: () -> Unit) {
+        object {
+            fun run() {
+                s()
+            }
+        }.run()
+    }
+}

native/native.tests/testData/klib/header-klibs/comparison/inlineFunInPrivateClass/sameAbi/anonymousObject.kt

@@ -0,0 +1,9 @@
+private class A {
+    inline fun test(crossinline s: () -> Unit) {
+        object {
+            fun run() {
+                //s()
+            }
+        }.run()
+    }
+}

native/native.tests/testData/klib/header-klibs/comparison/inlineFunInPrivateNestedClass/base/anonymousObject.kt

@@ -0,0 +1,11 @@
+class A {
+    private class B {
+        inline fun test(crossinline s: () -> Unit) {
+            object {
+                fun run() {
+                    s()
+                }
+            }.run()
+        }
+    }
+}

native/native.tests/testData/klib/header-klibs/comparison/inlineFunInPrivateNestedClass/sameAbi/anonymousObject.kt

@@ -0,0 +1,11 @@
+class A {
+    private class B {
+        inline fun test(crossinline s: () -> Unit) {
+            object {
+                fun run() {
+                    //s()
+                }
+            }.run()
+        }
+    }
+}

native/native.tests/testData/klib/header-klibs/comparison/inlineFunctionBody/base/function.kt

@@ -0,0 +1,3 @@
+package test
+
+inline fun sum(x: Int, y: Int): Int = x + y

native/native.tests/testData/klib/header-klibs/comparison/inlineFunctionBody/differentAbi/function.kt

@@ -0,0 +1,3 @@
+package test
+
+inline fun sum(x: Int, y: Int): Int = y + x

native/native.tests/testData/klib/header-klibs/comparison/lambdas/base/test.kt

@@ -0,0 +1,4 @@
+package test
+
+private inline fun f() = { 1 }()
+fun g() = f()

native/native.tests/testData/klib/header-klibs/comparison/lambdas/sameAbi/test.kt

@@ -0,0 +1,3 @@
+package test
+
+fun g() = 1

native/native.tests/testData/klib/header-klibs/comparison/parameterName/base/function.kt

@@ -0,0 +1,3 @@
+package test
+
+fun id(x: Int): Int = x

native/native.tests/testData/klib/header-klibs/comparison/parameterName/differentAbi/function.kt

@@ -0,0 +1,3 @@
+package test
+
+fun id(y: Int): Int = y

native/native.tests/testData/klib/header-klibs/comparison/privateInterface/base/test.kt

@@ -0,0 +1,10 @@
+package test
+
+private interface A {
+    fun foo() = 0
+    fun bar(): String
+}
+
+class B: A {
+    override fun bar() = "test${foo()}"
+}

native/native.tests/testData/klib/header-klibs/comparison/privateInterface/sameAbi/test.kt

@@ -0,0 +1,10 @@
+package test
+
+private interface A {
+    fun foo() = 42
+    fun bar(): String
+}
+
+class B: A {
+    override fun bar() = "test${foo()}"
+}

native/native.tests/testData/klib/header-klibs/comparison/privateTypealias/base/typealiases.kt

@@ -0,0 +1,13 @@
+package test
+
+class PublicClass1
+class PublicClass2
+
+typealias PublicTypeAlias1 = PublicClass1
+typealias PublicTypeAlias2 = PublicClass1
+
+internal typealias InternalTypeAlias1 = PublicClass1
+internal typealias InternalTypeAlias2 = PublicClass1
+
+private typealias PrivateTypeAlias1 = PublicClass1
+private typealias PrivateTypeAlias2 = PublicClass1

native/native.tests/testData/klib/header-klibs/comparison/privateTypealias/sameAbi/typealiases.kt

@@ -0,0 +1,12 @@
+package test
+
+class PublicClass1
+class PublicClass2
+
+typealias PublicTypeAlias1 = PublicClass1
+typealias PublicTypeAlias2 = PublicClass1
+
+internal typealias InternalTypeAlias1 = PublicClass1
+internal typealias InternalTypeAlias2 = PublicClass1
+
+private typealias PrivateTypeAlias1 = PublicClass2

native/native.tests/testData/klib/header-klibs/comparison/returnType/base/function.kt

@@ -0,0 +1,3 @@
+package test
+
+fun foo() = 0

native/native.tests/testData/klib/header-klibs/comparison/returnType/differentAbi/function.kt

@@ -0,0 +1,3 @@
+package test
+
+fun foo() = "0"

native/native.tests/testData/klib/header-klibs/comparison/superClass/base/classes.kt

@@ -0,0 +1,4 @@
+package test
+
+open class A
+class B : A()

native/native.tests/testData/klib/header-klibs/comparison/superClass/differentAbi/classes.kt

@@ -0,0 +1,4 @@
+package test
+
+open class A
+class B

native/native.tests/testData/klib/header-klibs/comparison/syntheticAccessors/base/test.kt

@@ -0,0 +1,7 @@
+package test
+
+private val x = 1
+
+object A { fun f() = x }
+
+val y = 2

native/native.tests/testData/klib/header-klibs/comparison/syntheticAccessors/sameAbi/test.kt

@@ -0,0 +1,5 @@
+package test
+
+object A { fun f() = 1 }
+
+val y = 2

native/native.tests/testData/klib/header-klibs/comparison/topLevelPrivateMembers/base/utils.kt

@@ -0,0 +1,13 @@
+package test
+
+val publicVal = 0
+const val publicConst = 0
+fun publicFun() = 0
+
+internal val internalVal = 0
+internal const val internalConst = 0
+internal fun internalFun() = 0
+
+private val privateVal = 0
+private const val privateConst = 0
+private fun privateFun() = 0

native/native.tests/testData/klib/header-klibs/comparison/topLevelPrivateMembers/sameAbi/utils.kt

@@ -0,0 +1,9 @@
+package test
+
+val publicVal = 0
+const val publicConst = 0
+fun publicFun() = 0
+
+internal val internalVal = 0
+internal const val internalConst = 0
+internal fun internalFun() = 0