Check target for -Xjvm-default modes

#KT-39925 Fixed
2020-06-30 15:55:50 +02:00
parent 3e42b9d527
commit b5b5c8aebc
5 changed files with 27 additions and 0 deletions
@@ -38,6 +38,17 @@ fun CompilerConfiguration.setupJvmSpecificArguments(arguments: K2JVMCompilerArgu
        }
    }

+    val jvmTarget = get(JVMConfigurationKeys.JVM_TARGET) ?: JvmTarget.DEFAULT
+    if (jvmTarget.bytecodeVersion < JvmTarget.JVM_1_8.bytecodeVersion) {
+        val jvmDefaultMode = languageVersionSettings.getFlag(JvmAnalysisFlags.jvmDefaultMode)
+        if (jvmDefaultMode.forAllMethodsWithBody) {
+            messageCollector.report(
+                ERROR,
+                "'-Xjvm-default=${jvmDefaultMode.description}' is only supported since JVM target 1.8. Recompile with '-jvm-target 1.8'"
+            )
+        }
+    }
+
    addAll(JVMConfigurationKeys.ADDITIONAL_JAVA_MODULES, arguments.additionalJavaModules?.asList())
 }