-"false" L C I(false, False(), tk::False);
-"null" L C I(null, Null(), tk::Null);
-"true" L C I(true, True(), tk::True);
-
-"auto" L C I(word, Word("auto"), tk::Auto);
-"break" L R I(word, Word("break"), tk::Break);
-"case" L C I(word, Word("case"), tk::Case);
-"catch" L C I(word, Word("catch"), tk::Catch);
-"continue" L R I(word, Word("continue"), tk::Continue);
-"default" L C I(word, Word("default"), tk::Default);
-"delete" L C I(word, Word("delete"), tk::Delete);
-"do" L C I(word, Word("do"), tk::Do);
-"else" L C I(word, Word("else"), tk::Else);
-"finally" L C I(word, Word("finally"), tk::Finally);
-"for" L C I(word, Word("for"), tk::For);
-"function" L C I(word, Word("function"), yyextra->no_.Function ? tk::Function_ : tk::Function);
-"if" L C I(word, Word("if"), tk::If);
-"in" L C I(word, Word("in"), yyextra->in_.top() ? tk::In_ : tk::In);
-"instanceof" L C I(word, Word("instanceof"), tk::InstanceOf);
-"new" L C I(word, Word("new"), tk::New);
-"return" L R I(word, Word("return"), tk::Return);
-"switch" L C I(word, Word("switch"), tk::Switch);
-"this" L C I(this, This(), tk::This);
-"throw" L R I(word, Word("throw"), tk::Throw);
-"try" L C I(word, Word("try"), tk::Try);
-"typeof" L C I(word, Word("typeof"), tk::TypeOf);
-"var" L C I(word, Word("var"), tk::Var);
-"void" L C I(word, Word("void"), tk::Void);
-"while" L C I(word, Word("while"), tk::While);
-"with" L C I(word, Word("with"), tk::With);
-
-"debugger" L C I(word, Word("debugger"), tk::Debugger);
-
-"const" L C I(word, Word("const"), tk::Const);
-
-"class" L C I(word, Word("class"), tk::Class);
-"enum" L C I(word, Word("enum"), tk::Enum);
-"export" L C I(word, Word("export"), tk::Export);
-"extends" L C I(word, Word("extends"), tk::Extends);
-"import" L C I(word, Word("import"), tk::Import);
-"super" L C I(word, Word("super"), tk::Super);
-
-"implements" L C I(identifier, Identifier("implements"), tk::Implements);
-"interface" L C I(identifier, Identifier("interface"), tk::Interface);
-"package" L C I(identifier, Identifier("package"), tk::Package);
-"private" L C I(identifier, Identifier("private"), tk::Private);
-"protected" L C I(identifier, Identifier("protected"), tk::Protected);
-"public" L C I(identifier, Identifier("public"), tk::Public);
-"static" L C I(identifier, Identifier("static"), tk::Static);
-
-"abstract" L C I(identifier, Identifier("abstract"), tk::Abstract);
-"boolean" L C I(identifier, Identifier("boolean"), tk::Boolean);
-"byte" L C I(identifier, Identifier("byte"), tk::Byte);
-"char" L C I(identifier, Identifier("char"), tk::Char);
-"double" L C I(identifier, Identifier("double"), tk::Double);
-"final" L C I(identifier, Identifier("final"), tk::Final);
-"float" L C I(identifier, Identifier("float"), tk::Float);
-"goto" L C I(identifier, Identifier("goto"), tk::Goto);
-"int" L C I(identifier, Identifier("int"), tk::Int);
-"long" L C I(identifier, Identifier("long"), tk::Long);
-"native" L C I(identifier, Identifier("native"), tk::Native);
-"short" L C I(identifier, Identifier("short"), tk::Short);
-"synchronized" L C I(identifier, Identifier("synchronized"), tk::Synchronized);
-"throws" L C I(identifier, Identifier("throws"), tk::Throws);
-"transient" L C I(identifier, Identifier("transient"), tk::Transient);
-"volatile" L C I(identifier, Identifier("volatile"), tk::Volatile);
-
-"let" L C I(identifier, Identifier("let"), tk::Let);
-"yield" L C I(identifier, Identifier("yield"), tk::Yield);
-
-"each" L C I(identifier, Identifier("each"), tk::Each);
-"of" L C I(identifier, Identifier("of"), tk::Of);
+"undefined" L C I(identifier, Identifier("undefined"), tk::Identifier_, hi::Operator);
+
+"false" L C I(false, False(), tk::False, hi::Constant);
+"null" L C I(null, Null(), tk::Null, hi::Constant);
+"true" L C I(true, True(), tk::True, hi::Constant);
+
+"auto" L C I(word, Word("auto"), tk::Auto, hi::Meta);
+"break" L R I(word, Word("break"), tk::Break, hi::Control);
+"case" L C I(word, Word("case"), tk::Case, hi::Control);
+"catch" L C I(word, Word("catch"), tk::Catch, hi::Control);
+"continue" L R I(word, Word("continue"), tk::Continue, hi::Control);
+"default" L C I(word, Word("default"), tk::Default, hi::Control);
+"delete" L C I(word, Word("delete"), tk::Delete, hi::Operator);
+"do" L C I(word, Word("do"), tk::Do, hi::Control);
+"else" L C I(word, Word("else"), tk::Else, hi::Control);
+"finally" L C I(word, Word("finally"), tk::Finally, hi::Control);
+"for" L C I(word, Word("for"), tk::For, hi::Control);
+"function" L C I(word, Word("function"), yyextra->no_.Function ? tk::Function_ : tk::Function, hi::Meta);
+"if" L C I(word, Word("if"), tk::If, hi::Control);
+"in" L C I(word, Word("in"), yyextra->in_.top() ? tk::In_ : tk::In, hi::Operator);
+"instanceof" L C I(word, Word("instanceof"), tk::InstanceOf, hi::Operator);
+"new" L C I(word, Word("new"), tk::New, hi::Operator);
+"return" L R I(word, Word("return"), tk::Return, hi::Control);
+"switch" L C I(word, Word("switch"), tk::Switch, hi::Control);
+"this" L C I(this, This(), tk::This, hi::Constant);
+"throw" L R I(word, Word("throw"), tk::Throw, hi::Control);
+"try" L C I(word, Word("try"), tk::Try, hi::Control);
+"typeof" L C I(word, Word("typeof"), tk::TypeOf, hi::Operator);
+"var" L C I(word, Word("var"), tk::Var, hi::Meta);
+"void" L C I(word, Word("void"), tk::Void, hi::Operator);
+"while" L C I(word, Word("while"), tk::While, hi::Control);
+"with" L C I(word, Word("with"), tk::With, hi::Control);
+
+"debugger" L C I(word, Word("debugger"), tk::Debugger, hi::Meta);
+
+"const" L C I(word, Word("const"), tk::Const, hi::Meta);
+
+"class" L C I(word, Word("class"), tk::Class, hi::Meta);
+"enum" L C I(word, Word("enum"), tk::Enum, hi::Meta);
+"export" L C I(word, Word("export"), tk::Export, hi::Meta);
+"extends" L C I(word, Word("extends"), tk::Extends, hi::Meta);
+"import" L C I(word, Word("import"), tk::Import, hi::Meta);
+"super" L C I(word, Word("super"), tk::Super, hi::Constant);
+
+"implements" L C I(identifier, Identifier("implements"), tk::Implements, hi::Meta);
+"interface" L C I(identifier, Identifier("interface"), tk::Interface, hi::Meta);
+"package" L C I(identifier, Identifier("package"), tk::Package, hi::Meta);
+"private" L C I(identifier, Identifier("private"), tk::Private, hi::Meta);
+"protected" L C I(identifier, Identifier("protected"), tk::Protected, hi::Meta);
+"public" L C I(identifier, Identifier("public"), tk::Public, hi::Meta);
+"static" L C I(identifier, Identifier("static"), tk::Static, hi::Meta);
+
+"abstract" L C I(identifier, Identifier("abstract"), tk::Abstract, hi::Meta);
+"boolean" L C I(identifier, Identifier("boolean"), tk::Boolean, hi::Type);
+"byte" L C I(identifier, Identifier("byte"), tk::Byte, hi::Type);
+"char" L C I(identifier, Identifier("char"), tk::Char, hi::Type);
+"double" L C I(identifier, Identifier("double"), tk::Double, hi::Type);
+"final" L C I(identifier, Identifier("final"), tk::Final, hi::Meta);
+"float" L C I(identifier, Identifier("float"), tk::Float, hi::Type);
+"goto" L C I(identifier, Identifier("goto"), tk::Goto, hi::Control);
+"int" L C I(identifier, Identifier("int"), tk::Int, hi::Type);
+"long" L C I(identifier, Identifier("long"), tk::Long, hi::Type);
+"native" L C I(identifier, Identifier("native"), tk::Native, hi::Meta);
+"short" L C I(identifier, Identifier("short"), tk::Short, hi::Type);
+"synchronized" L C I(identifier, Identifier("synchronized"), tk::Synchronized, hi::Meta);
+"throws" L C I(identifier, Identifier("throws"), tk::Throws, hi::Meta);
+"transient" L C I(identifier, Identifier("transient"), tk::Transient, hi::Meta);
+"volatile" L C I(identifier, Identifier("volatile"), tk::Volatile, hi::Meta);
+
+"let" L C I(identifier, Identifier("let"), tk::Let, hi::Meta);
+"yield" L C I(identifier, Identifier("yield"), tk::Yield, hi::Control);
+
+"each" L C I(identifier, Identifier("each"), tk::Each, hi::Control);
+"of" L C I(identifier, Identifier("of"), tk::Of, hi::Operator);