clean
temp broken
tweak
seems succeed
simplify the code generator and faster optimization
type annotations also for tokens :-)
tweak and clean
remove fanTokenFilter
strip whitespace for little benefit and bring unitest back
optimize stream filter
simplify lexer
tweak
adapt compiler for prefix
prefixop succeed
clean
remove one more setup
adapt grammar compiler for Infix operator
now the compiler works with infix operator now, ready to adapt the runtime
remove infixop6
remove infixop5 and upgrade unitest