Move LANGUAGE_TO_METADATA_VERSION to compiler:frontend.common.jvm

2022-12-27 16:52:44 +01:00
parent 89dd28226b
commit 52ab565cc6
7 changed files with 53 additions and 42 deletions
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.utils
+
+import org.jetbrains.kotlin.config.CommonConfigurationKeys
+import org.jetbrains.kotlin.config.CompilerConfiguration
+import org.jetbrains.kotlin.config.LanguageVersion
+import org.jetbrains.kotlin.config.languageVersionSettings
+import org.jetbrains.kotlin.metadata.deserialization.BinaryVersion
+import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmMetadataVersion
+import java.util.*
+
+private val LANGUAGE_TO_METADATA_VERSION = EnumMap<LanguageVersion, JvmMetadataVersion>(LanguageVersion::class.java).apply {
+    val oldMetadataVersion = JvmMetadataVersion(1, 1, 18)
+    this[LanguageVersion.KOTLIN_1_0] = oldMetadataVersion
+    this[LanguageVersion.KOTLIN_1_1] = oldMetadataVersion
+    this[LanguageVersion.KOTLIN_1_2] = oldMetadataVersion
+    this[LanguageVersion.KOTLIN_1_3] = oldMetadataVersion
+    this[LanguageVersion.KOTLIN_1_4] = JvmMetadataVersion(1, 4, 3)
+    this[LanguageVersion.KOTLIN_1_5] = JvmMetadataVersion(1, 5, 1)
+    this[LanguageVersion.KOTLIN_1_6] = JvmMetadataVersion(1, 6, 0)
+    this[LanguageVersion.KOTLIN_1_7] = JvmMetadataVersion(1, 7, 0)
+    this[LanguageVersion.KOTLIN_1_8] = JvmMetadataVersion.INSTANCE
+    this[LanguageVersion.KOTLIN_1_9] = JvmMetadataVersion(1, 9, 0)
+    this[LanguageVersion.KOTLIN_2_0] = JvmMetadataVersion(2, 0, 0)
+
+    check(size == LanguageVersion.values().size) {
+        "Please add mappings from the missing LanguageVersion instances to the corresponding JvmMetadataVersion " +
+                "in `LANGUAGE_TO_METADATA_VERSION`"
+    }
+}
+
+fun LanguageVersion.toMetadataVersion(): JvmMetadataVersion = LANGUAGE_TO_METADATA_VERSION.getValue(this)
+
+fun CompilerConfiguration.metadataVersion(
+    languageVersion: LanguageVersion = languageVersionSettings.languageVersion
+): BinaryVersion {
+    return get(CommonConfigurationKeys.METADATA_VERSION) ?: languageVersion.toMetadataVersion()
+}