Support JDK 8+, open-ended. This boots on 10 and 11 without warn.

jruby · Feb 12, 2018 · 7b0fbf0 · 7b0fbf0
1 parent fdd3a32
commit 7b0fbf0
Showing 3 changed files with 11 additions and 7 deletions.
diff --git a/core/src/main/java/org/jruby/RubyInstanceConfig.java b/core/src/main/java/org/jruby/RubyInstanceConfig.java
@@ -1884,14 +1884,18 @@ public boolean shouldPrecompileAll() {
     private static int initGlobalJavaVersion() {
         final String specVersion = Options.BYTECODE_VERSION.load();
         switch ( specVersion ) {
-            case "1.6" : return Opcodes.V1_6; // 50
-            case "1.7" : return Opcodes.V1_7; // 51
+            case "1.6" :
+            case "1.7" : throw new UnsupportedClassVersionError("JRuby requires Java 8 or higher");
             case "1.8" : case "8" : return Opcodes.V1_8; // 52
-            // NOTE: JDK 9 now returns "9" instead of "1.9"
+
             case "1.9" : case "9" : return Opcodes.V1_8 + 1; // 53
             default :
-                System.err.println("unsupported Java version \"" + specVersion + "\", defaulting to 1.7");
-                return Opcodes.V1_7;
+                int version = Integer.parseInt(specVersion);
+                if (version >= 9) {
+                    return Opcodes.V9;
+                } else {
+                    throw new UnsupportedClassVersionError("JRuby requires Java 8 or higher");
+                }
         }
     }
 

diff --git a/pom.rb b/pom.rb
@@ -83,7 +83,7 @@
 
               'jruby-launcher.version' => '1.1.1',
               'ant.version' => '1.9.2',
-              'asm.version' => '5.0.4',
+              'asm.version' => '6.0',
               'jffi.version' => '1.2.16',
               'joda.time.version' => '2.8.2' )
 

diff --git a/pom.xml b/pom.xml
@@ -115,7 +115,7 @@ DO NOT MODIFIY - GENERATED CODE
     <rake.version>10.4.2</rake.version>
     <jruby-launcher.version>1.1.1</jruby-launcher.version>
     <project.build.sourceEncoding>utf-8</project.build.sourceEncoding>
-    <asm.version>5.0.4</asm.version>
+    <asm.version>6.0</asm.version>
     <rspec-expectations.version>3.4.0</rspec-expectations.version>
     <its.osgi>osgi*/pom.xml</its.osgi>
     <base.javac.version>1.8</base.javac.version>