added missing synchronized modifier

src/mirahparser/impl/Mirah.mmeta

@@ -714,6 +714,7 @@ parser MirahParser {
     $ACC_VOLATILE {"VOLATILE"} |
     $ACC_NATIVE {"NATIVE"} |
     $ACC_DEFAULT {"DEFAULT"} |
+    $ACC_SYNCHRONIZED {"SYNCHRONIZED"} |
     $ACC_TRANSIENT {"TRANSIENT"}
     )
               -> ^(Modifier txt);

src/mirahparser/impl/MirahLexer.java

@@ -667,6 +667,8 @@ private Tokens processFirstChar(MirahLexer l, Input i) {
           type = Tokens.tSelf;
         } else if (i.consume("uper")) {
           type = Tokens.tSuper;
+        } else if (i.consume("ynchronized")) {
+          type = Tokens.tACC_SYNCHRONIZED;
         } else {
           type = Tokens.tIDENTIFIER;
         }

src/mirahparser/impl/Tokens.java

@@ -75,6 +75,7 @@ public enum Tokens {
   tACC_NATIVE,
   tACC_DEFAULT,
   tACC_TRANSIENT,
+  tACC_SYNCHRONIZED,
     // ClassVar must be first after the keywords, followed by other
   // identifierish tokens.
   tClassVar,

test/test_mirah.rb

@@ -368,6 +368,8 @@ def test_modifiers
                  "abstract def +; 1; end")
     assert_parse("[Script, [[StaticMethodDefinition, [SimpleString, puts], [Arguments, [RequiredArgumentList], [OptionalArgumentList], null, [RequiredArgumentList], null], null, [], [AnnotationList], [ModifierList, [Modifier:FINAL], [Modifier:PROTECTED]]]]]",
                  "final protected def self.puts; end")
+    assert_parse("[Script, [[StaticMethodDefinition, [SimpleString, puts], [Arguments, [RequiredArgumentList], [OptionalArgumentList], null, [RequiredArgumentList], null], null, [], [AnnotationList], [ModifierList, [Modifier:FINAL], [Modifier:SYNCHRONIZED]]]]]",
+                 "final synchronized def self.puts; end")
     assert_parse("[Script, [[ConstantAssign, [SimpleString, A], [VCall, [SimpleString, b]], [AnnotationList], [ModifierList, [Modifier:FINAL]]]]]", "final A = b")
     assert_parse("[Script, [[FieldAssign, [SimpleString, a], [VCall, [SimpleString, b]], [AnnotationList], [ModifierList, [Modifier:PROTECTED]]]]]", "protected @a = b")
     assert_parse("[Script, [[FieldAssign, [SimpleString, a], [VCall, [SimpleString, b]], [AnnotationList], [ModifierList, [Modifier:FINAL], [Modifier:TRANSIENT]], static]]]", "final transient @@a = b")