Token[] compilePattern

Author: chrisseaton

src/main/java/org/truffleruby/core/time/RubyDateFormatter.java

@@ -264,7 +264,7 @@ private static void addToPattern(List<Token> compiledPattern, String str) {
     }
 
     @TruffleBoundary
-    public static List<Token> compilePattern(Rope pattern, boolean dateLibrary, RubyContext context, Node currentNode) {
+    public static Token[] compilePattern(Rope pattern, boolean dateLibrary, RubyContext context, Node currentNode) {
         List<Token> compiledPattern = new LinkedList<>();
 
         Encoding enc = pattern.getEncoding();
@@ -352,7 +352,7 @@ public static List<Token> compilePattern(Rope pattern, boolean dateLibrary, Ruby
             }
         }
 
-        return compiledPattern;
+        return compiledPattern.toArray(RubyDateFormatter.EMPTY_TOKEN_ARRAY);
     }
 
     enum FieldType {

src/main/java/org/truffleruby/core/time/TimeNodes.java

@@ -444,10 +444,8 @@ protected RubyString timeStrftime(VirtualFrame frame, RubyTime time, Object form
                     CodeRange.CR_UNKNOWN);
         }
 
-        @TruffleBoundary
         protected Token[] compilePattern(Rope format) {
-            final List<Token> tokens = RubyDateFormatter.compilePattern(format, false, getContext(), this);
-            return tokens.toArray(RubyDateFormatter.EMPTY_TOKEN_ARRAY);
+            return RubyDateFormatter.compilePattern(format, false, getContext(), this);
         }
 
         // Optimised for the default Logger::Formatter time format: "%Y-%m-%dT%H:%M:%S.%6N "