Crow/scripts/merge_all.py

88 lines
2.6 KiB
Python
Executable File

#!/usr/bin/env python3
"""Merges all the header files."""
from glob import glob
from os import path as pt
import re
from collections import defaultdict
import sys, getopt
if len(sys.argv) < 3:
print("Usage: {} <CROW_HEADERS_DIRECTORY_PATH> <CROW_OUTPUT_HEADER_PATH> (-i(include) OR -e(exclude) item1,item2...)".format(sys.argv[0]))
print("Available middlewares are in `include/crow/middlewares`. Do NOT type the `.h` when including or excluding")
sys.exit(1)
header_path = sys.argv[1]
output_path = sys.argv[2]
middlewares = [x.rsplit('/', 1)[-1][:-2] for x in glob(pt.join(header_path, 'crow/middlewares/*.h*'))]
middlewares_actual = []
if len(sys.argv) > 3:
opts, args = getopt.getopt(sys.argv[3:],"i:e:",["include=","exclude="])
if (len(opts) > 1):
print("Error:Cannot simultaneously include and exclude middlewares.")
sys.exit(1)
if (opts[0][0] in ("-i", "--include")):
middleware_list = opts[0][1].split(',')
for item in middlewares:
if (item in middleware_list):
middlewares_actual.append(item)
elif (opts[0][0] in ("-e", "--exclude")):
middleware_list = opts[0][1].split(',')
for item in middlewares:
if (item not in middleware_list):
middlewares_actual.append(item)
else:
print("ERROR:Unknown argument " + opts[0][0])
sys.exit(1)
else:
middlewares_actual = middlewares
print("Middlewares: " + str(middlewares_actual))
re_depends = re.compile('^#include "(.*)"', re.MULTILINE)
headers = [x.rsplit('/', 1)[-1] for x in glob(pt.join(header_path, '*.h*'))]
headers += ['crow/' + x.rsplit('/', 1)[-1] for x in glob(pt.join(header_path, 'crow/*.h*'))]
headers += [('crow/middlewares/' + x + '.h') for x in middlewares_actual]
print(headers)
edges = defaultdict(list)
for header in headers:
d = open(pt.join(header_path, header)).read()
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):
"""Ensure all header files are visited."""
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(pt.join(header_path, header)).read()
build.append(re_depends.sub(lambda x: '\n', d))
build.append('\n')
open(output_path, 'w').write('\n'.join(build))