Crow/amalgamate/merge_all.py

52 lines
1.2 KiB
Python

import glob
import os
import re
from collections import defaultdict
import sys
header_path = "../include"
if len(sys.argv) > 1:
header_path = sys.argv[1]
OUTPUT = 'crow_all.h'
re_depends = re.compile('^#include "(.*)"', re.MULTILINE)
headers = [x.rsplit('/',1)[-1] for x in glob.glob(os.path.join(header_path,'*.h'))]
print headers
edges = defaultdict(list)
for header in headers:
d = open(os.path.join(header_path, header)).read().decode('utf8')
match = re_depends.findall(d)
for m in match:
# m should included before header
edges[m].append(header)
visited = defaultdict(bool)
order = []
def dfs(x):
visited[x] = True
for y in edges[x]:
if not visited[y]:
dfs(y)
order.append(x)
for header in headers:
if not visited[header]:
dfs(header)
order = order[::-1]
for x in edges:
print x, edges[x]
for x in edges:
for y in edges[x]:
assert order.index(x) < order.index(y), 'cyclic include detected'
print order
build = []
for header in order:
d = open(os.path.join(header_path, header)).read().decode('utf8')
build.append(re_depends.sub(lambda x:'\n', d))
build.append('\n')
open(OUTPUT,'w').write('\n'.join(build))