Revert "parser: split parse-file into (parse-file)."
Revert "parser: split parse-file into (parse-file)."

This reverts commit 18bbe6292afc9fa1add305c09ac58644e74e4fc4.

bpollack/factor,factor/factor,bjourne/factor,mrjbq7/factor,tgunr/factor,factor/factor,mrjbq7/factor,nicolas-p/factor,slavapestov/factor,AlexIljin/factor,bjourne/factor,AlexIljin/factor,slavapestov/factor,mrjbq7/factor,tgunr/factor,AlexIljin/factor,bjourne/factor,bpollack/factor,factor/factor,slavapestov/factor,nicolas-p/factor,mrjbq7/factor,bpollack/factor,factor/factor,tgunr/factor,mrjbq7/factor,nicolas-p/factor,AlexIljin/factor,nicolas-p/factor,slavapestov/factor,nicolas-p/factor,bpollack/factor,bpollack/factor,AlexIljin/factor,nicolas-p/factor,AlexIljin/factor,slavapestov/factor,bpollack/factor,AlexIljin/factor,bjourne/factor,mrjbq7/factor,bjourne/factor,bjourne/factor,factor/factor,slavapestov/factor,slavapestov/factor,tgunr/factor,tgunr/factor,factor/factor,bjourne/factor,nicolas-p/factor,bpollack/factor,tgunr/factor