Here is a list of all namespace enums with links to the namespace documentation for each enum:

ArgType : mx
CharType : scan::token, types
ExprTokenType : expr_parser
Keywords : mxvm, mxx
KeywordType : types
Mode : mxvm
OperandType : mxvm
OperatorType : types
OpKind : mxvm
Platform : mxvm
TokenType : types
VArity : mxvm
VarType : mxvm, pascal