Improve ABI version from one number to "major.minor.patch"

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/BinaryVersion.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.serialization.deserialization
+
+data class BinaryVersion private constructor(
+        val major: Int,
+        val minor: Int,
+        val patch: Int,
+        val rest: List<Int> = listOf()
+) {
+    fun toArray(): IntArray =
+            intArrayOf(major, minor, patch, *rest.toIntArray())
+
+    override fun toString(): String {
+        val versions = toArray().takeWhile { it != UNKNOWN }
+        return if (versions.isEmpty()) "unknown" else versions.joinToString(".")
+    }
+
+    companion object {
+        private val UNKNOWN = -1
+
+        @JvmStatic
+        fun create(version: IntArray): BinaryVersion {
+            return BinaryVersion(
+                    major = version.getOrNull(0) ?: UNKNOWN,
+                    minor = version.getOrNull(1) ?: UNKNOWN,
+                    patch = version.getOrNull(2) ?: UNKNOWN,
+                    rest = if (version.size() > 3) version.asList().subList(3, version.size()).toList() else listOf()
+            )
+        }
+
+        @JvmStatic
+        fun create(major: Int, minor: Int, patch: Int) = BinaryVersion(major, minor, patch)
+    }
+}

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/ErrorReporter.java

@@ -25,7 +25,7 @@ import org.jetbrains.kotlin.name.ClassId;
 import java.util.List;
 
 public interface ErrorReporter {
-    void reportIncompatibleAbiVersion(@NotNull ClassId classId, @NotNull String filePath, int actualVersion);
+    void reportIncompatibleAbiVersion(@NotNull ClassId classId, @NotNull String filePath, @NotNull BinaryVersion actualVersion);
 
     void reportIncompleteHierarchy(@NotNull ClassDescriptor descriptor, @NotNull List<String> unresolvedSuperClasses);