172: Fix compilation

compiler/frontend.java/src/org/jetbrains/kotlin/config/JvmTarget.kt.172

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2010-2017 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.config
+
+import org.jetbrains.org.objectweb.asm.Opcodes
+
+enum class JvmTarget(override val description: String) : TargetPlatformVersion {
+    JVM_1_6("1.6"),
+    JVM_1_8("1.8"),
+    ;
+
+    val bytecodeVersion: Int by lazy {
+        when (this) {
+            JVM_1_6 -> Opcodes.V1_6
+            JVM_1_8 ->
+                when {
+                    java.lang.Boolean.valueOf(System.getProperty("kotlin.test.substitute.bytecode.1.8.to.10")) -> Opcodes.V1_9 + 1
+                    java.lang.Boolean.valueOf(System.getProperty("kotlin.test.substitute.bytecode.1.8.to.1.9")) -> Opcodes.V1_9
+                    else -> Opcodes.V1_8
+                }
+        }
+    }
+
+    companion object {
+        @JvmField
+        val DEFAULT = JVM_1_6
+
+        @JvmStatic
+        fun fromString(string: String) = values().find { it.description == string }
+
+        fun getDescription(bytecodeVersion: Int): String {
+            val platformDescription = values().find { it.bytecodeVersion == bytecodeVersion }?.description ?:
+                   when (bytecodeVersion) {
+                       Opcodes.V1_7 -> "1.7"
+                       Opcodes.V1_9 -> "1.9"
+                       else -> null
+                   }
+
+            return if (platformDescription != null) "JVM target $platformDescription"
+                    else "JVM bytecode version $bytecodeVersion"
+        }
+    }
+}