| #!/usr/bin/env python3 |
| # SPDX-License-Identifier: LGPL-2.1-or-later |
| |
| import ast |
| import os |
| import re |
| import sys |
| |
| import jinja2 |
| |
| def parse_config_h(filename): |
| # Parse config.h file generated by meson. |
| ans = {} |
| for line in open(filename): |
| m = re.match(r'#define\s+(\w+)\s+(.*)', line) |
| if not m: |
| continue |
| a, b = m.groups() |
| if b and b[0] in '0123456789"': |
| b = ast.literal_eval(b) |
| ans[a] = b |
| return ans |
| |
| def render(filename, defines): |
| text = open(filename).read() |
| template = jinja2.Template(text, trim_blocks=True, undefined=jinja2.StrictUndefined) |
| return template.render(defines) |
| |
| if __name__ == '__main__': |
| defines = parse_config_h(sys.argv[1]) |
| defines.update(parse_config_h(sys.argv[2])) |
| output = render(sys.argv[3], defines) |
| with open(sys.argv[4], 'w') as f: |
| f.write(output) |
| f.write('\n') |
| info = os.stat(sys.argv[3]) |
| os.chmod(sys.argv[4], info.st_mode) |