NewMakefileScanner returns a MakefileScanner struct for parsing a Makefile.

Parse is the main function to parse a Makefile from a file path string to a Makefile struct.

Makefile provides a data structure to describe a parsed Makefile.

MakefileScanner is a wrapping struct around bufio.Scanner which provides extra functionality like the current line number.

Rule represents a Make rule.

Variable represents a Make variable.

RuleList represents a list of rules.

VariableList represents a list of variables.