xref: /aosp_15_r20/external/libopus/meson/read-sources-list.py (revision a58d3d2adb790c104798cd88c8a3aff4fa8b82cc)
1*a58d3d2aSXin Li#!/usr/bin/env python3
2*a58d3d2aSXin Li#
3*a58d3d2aSXin Li# opus/read-sources-list.py
4*a58d3d2aSXin Li#
5*a58d3d2aSXin Li# Parses .mk files and extracts list of source files.
6*a58d3d2aSXin Li# Prints one line per source file list, with filenames space-separated.
7*a58d3d2aSXin Li
8*a58d3d2aSXin Liimport sys
9*a58d3d2aSXin Li
10*a58d3d2aSXin Liif len(sys.argv) < 2:
11*a58d3d2aSXin Li  sys.exit('Usage: {} sources_foo.mk [sources_bar.mk...]'.format(sys.argv[0]))
12*a58d3d2aSXin Li
13*a58d3d2aSXin Lifor input_fn in sys.argv[1:]:
14*a58d3d2aSXin Li  with open(input_fn, 'r', encoding='utf8') as f:
15*a58d3d2aSXin Li    text = f.read()
16*a58d3d2aSXin Li    text = text.replace('\\\n', '')
17*a58d3d2aSXin Li
18*a58d3d2aSXin Li    # Remove empty lines
19*a58d3d2aSXin Li    lines = [line for line in text.split('\n') if line.strip()]
20*a58d3d2aSXin Li
21*a58d3d2aSXin Li    # Print SOURCES_XYZ = file1.c file2.c
22*a58d3d2aSXin Li    for line in lines:
23*a58d3d2aSXin Li      values = line.strip().split('=', maxsplit=2)
24*a58d3d2aSXin Li      if len(values) != 2:
25*a58d3d2aSXin Li        raise RuntimeError('Unable to parse line "{}" from file "{}"'.format(line, input_fn))
26*a58d3d2aSXin Li      var, files = values
27*a58d3d2aSXin Li      sources_list = [f for f in files.split(' ') if f]
28*a58d3d2aSXin Li      print(var.strip(), '=', ' '.join(sources_list))
29