allocr - allocator
arg - argument
decl - declaration
del - delete
deref - dereference
direct - directive
eof - end of file
err - error
evalr - evaluator
expr - expression
fn - function
ident - identifier
kw - keyword
mut - mutable
num - number
op - operator
param - parameter
ptr - pointer
ret - return
stmt - statement
str - string
tokr - tokenizer
val - value