Files
wren/script/generate_amalgamation.py
2015-04-16 14:45:22 +02:00

45 lines
1.1 KiB
Python
Executable File

#!/usr/bin/env python
import sys
from os.path import basename, dirname, join
import re
INCLUDE_PATTERN = re.compile(r'^\s*#include "([\w.]+)"')
WREN_DIR = dirname(dirname(realpath(__file__)))
seen_files = set()
out = sys.stdout
# Prints a plain text file, adding comment markers.
def add_comment_file(filename):
with open(filename, 'r') as f:
for line in f:
out.write('// ')
out.write(line)
# Prints the given C source file, recursively resolving local #includes.
def add_file(filename):
bname = basename(filename)
# Only include each file at most once.
if bname in seen_files:
return
seen_files.add(bname)
path = dirname(filename)
out.write('// Begin file "{0}"\n'.format(filename))
with open(filename, 'r') as f:
for line in f:
m = INCLUDE_PATTERN.match(line)
if m:
add_file(join(path, m.group(1)))
else:
out.write(line)
out.write('// End file "{0}"\n'.format(filename))
# Print license on top.
add_comment_file(join(WREN_DIR, 'LICENSE'))
out.write('\n')
# Source files.
for f in sys.argv[1:]:
add_file(f)