tweak
add tag corresponding tokenf
a type safe way for partial evaluation without using hash_variant
tweak
concentrate token meta data
snapshot the changes
simplify
adapt compiler for token's meta data
runtime change
better representation for meta data
tweak
clean
simplify the lexer generator a bit
tweak
simplify the pattern seems successful
change the metalevel representation for pattern to make it more consistent with semantics
snapshot the changes
fix the bug for :: pattern
fix the :: pattern
SNAPSHOT THE CHANGE