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#!/bin/python
# coding: utf-8
"""
Recursively scan an asm file for dependencies.
"""
import os
import sys
import argparse
class IncludeReader:
"""
Usage:
includer = IncludeReader()
includer.read(filename)
or
includer = IncludeReader(filename='filename.asm')
includer.read()
"""
path = ''
includes = []
directives = ['INCLUDE', 'INCBIN']
extensions = ['.asm']
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def read(self, filename=None):
"""
Recursively look for includes in <filename> and add them to self.includes.
"""
if filename is None:
if hasattr(self, 'filename'):
filename = os.path.join(self.path, self.filename)
else:
raise Exception, 'no filename given!'
if os.path.splitext(filename)[1] in self.extensions and os.path.exists(filename):
for line in open(filename).readlines():
self.read_line(line)
def read_line(self, line):
"""
Add any includes in <line> to self.includes, and look for includes in those.
"""
parts = line[:line.find(';')].split()
for directive in self.directives:
if directive in map(str.upper, parts):
include = os.path.join(self.path, "src/" + parts[parts.index(directive) + 1].split('"')[1])
if include not in self.includes and include != "src/baserom.gbc":
self.includes.append(include)
self.read(include)
if __name__ == '__main__':
ap = argparse.ArgumentParser()
ap.add_argument('-i', default='')
ap.add_argument('filenames', nargs='*')
args = ap.parse_args()
includes = IncludeReader(path=args.i)
for filename in args.filenames:
includes.read(filename)
sys.stdout.write(' '.join(includes.includes))
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