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