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Read new Metadata annotation in check-library-abi-version.kts

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This commit is contained in:
Alexander Udalov
2016-01-11 17:28:17 +03:00
parent a4daa08e5c
commit 86bbc9f15b
1 changed files with 31 additions and 19 deletions
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generators/infrastructure/check-library-abi-version.kts
+31 -19
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@@ -26,35 +26,47 @@ import org.jetbrains.org.objectweb.asm.*
* Some additional information is printed to stderr
*/
fun loadAbiVersionOfClass(bytes: ByteArray): IntArray? {
var result: IntArray? = null
fun loadClassVersions(bytes: ByteArray): Pair<List<Int>, List<Int>>? {
var metadata: IntArray? = null
var bytecode: IntArray? = null
ClassReader(bytes).accept(object : ClassVisitor(Opcodes.ASM5) {
override fun visitAnnotation(desc: String, visible: Boolean): AnnotationVisitor? {
if (desc == "Lkotlin/jvm/internal/KotlinClass;") {
return object : AnnotationVisitor(Opcodes.ASM5) {
override fun visit(name: String, value: Any) {
if (name == "version") {
result = value as IntArray
}
else if (name == "abiVersion") {
result = intArrayOf(0, value as Int, 0)
return when (desc) {
"Lkotlin/Metadata;" ->
object : AnnotationVisitor(Opcodes.ASM5) {
override fun visit(name: String, value: Any) {
when (name) {
"mv" -> metadata = value as IntArray
"bv" -> bytecode = value as IntArray
}
}
}
}
"Lkotlin/jvm/internal/KotlinClass;" ->
object : AnnotationVisitor(Opcodes.ASM5) {
override fun visit(name: String, value: Any) {
if (name == "version") {
metadata = value as IntArray
bytecode = metadata
}
}
}
else -> null
}
return null
}
}, 0)
return result
return if (metadata != null && bytecode != null) Pair(metadata!!.toList(), bytecode!!.toList()) else null
}
fun loadVersion(library: File): IntArray {
fun loadVersions(library: File): String {
val jarFile = JarFile(library)
try {
for (entry in jarFile.entries()) {
if (entry.getName().endsWith(".class")) {
val classBytes = jarFile.getInputStream(entry).readBytes()
loadAbiVersionOfClass(classBytes)?.let { return it }
loadClassVersions(classBytes)?.let {
val (metadata, bytecode) = it
return "metadata = ${metadata.joinToString(".")}, bytecode = ${bytecode.joinToString(".")}"
}
}
}
}
@@ -74,13 +86,13 @@ fun main(args: Array<String>) {
val library1 = File(args[0])
val library2 = File(args[1])
val v1 = loadVersion(library1).joinToString(".")
val v2 = loadVersion(library2).joinToString(".")
val v1 = loadVersions(library1)
val v2 = loadVersions(library2)
if (v1 != v2) {
System.err.println("ABI versions differ:")
System.err.println(" $library1 has version $v1")
System.err.println(" $library2 has version $v2")
System.err.println(" $library1: $v1")
System.err.println(" $library2: $v2")
System.exit(3)
}
}