projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 5aa62804 | 1 | #!/usr/bin/env python3 |
| 0c0c1fd9 MM |
2 | # |
| 3 | # Module information generator | |
| 4 | # | |
| 5 | # Copyright Red Hat, Inc. 2015 - 2016 | |
| 6 | # | |
| 7 | # Authors: | |
| 8 | # Marc Mari <markmb@redhat.com> | |
| 9 | # | |
| 10 | # This work is licensed under the terms of the GNU GPL, version 2. | |
| 11 | # See the COPYING file in the top-level directory. | |
| 12 | ||
| 0c0c1fd9 MM |
13 | import sys |
| 14 | import os | |
| 15 | ||
| 16 | def get_string_struct(line): | |
| 17 | data = line.split() | |
| 18 | ||
| 19 | # data[0] -> struct element name | |
| 20 | # data[1] -> = | |
| 21 | # data[2] -> value | |
| 22 | ||
| 23 | return data[2].replace('"', '')[:-1] | |
| 24 | ||
| 25 | def add_module(fheader, library, format_name, protocol_name): | |
| 26 | lines = [] | |
| 27 | lines.append('.library_name = "' + library + '",') | |
| 28 | if format_name != "": | |
| 29 | lines.append('.format_name = "' + format_name + '",') | |
| 30 | if protocol_name != "": | |
| 31 | lines.append('.protocol_name = "' + protocol_name + '",') | |
| 32 | ||
| 33 | text = '\n '.join(lines) | |
| 34 | fheader.write('\n {\n ' + text + '\n },') | |
| 35 | ||
| 36 | def process_file(fheader, filename): | |
| 37 | # This parser assumes the coding style rules are being followed | |
| 38 | with open(filename, "r") as cfile: | |
| 0c0c1fd9 MM |
39 | found_start = False |
| 40 | library, _ = os.path.splitext(os.path.basename(filename)) | |
| 41 | for line in cfile: | |
| 42 | if found_start: | |
| 43 | line = line.replace('\n', '') | |
| 44 | if line.find(".format_name") != -1: | |
| 45 | format_name = get_string_struct(line) | |
| 46 | elif line.find(".protocol_name") != -1: | |
| 47 | protocol_name = get_string_struct(line) | |
| 48 | elif line == "};": | |
| 49 | add_module(fheader, library, format_name, protocol_name) | |
| 50 | found_start = False | |
| 51 | elif line.find("static BlockDriver") != -1: | |
| 0c0c1fd9 MM |
52 | found_start = True |
| 53 | format_name = "" | |
| 54 | protocol_name = "" | |
| 55 | ||
| 0c0c1fd9 MM |
56 | def print_top(fheader): |
| 57 | fheader.write('''/* AUTOMATICALLY GENERATED, DO NOT MODIFY */ | |
| 58 | /* | |
| 59 | * QEMU Block Module Infrastructure | |
| 60 | * | |
| 61 | * Authors: | |
| 62 | * Marc Mari <markmb@redhat.com> | |
| 63 | */ | |
| 64 | ||
| 65 | ''') | |
| 66 | ||
| 67 | fheader.write('''#ifndef QEMU_MODULE_BLOCK_H | |
| 68 | #define QEMU_MODULE_BLOCK_H | |
| 69 | ||
| 0c0c1fd9 MM |
70 | static const struct { |
| 71 | const char *format_name; | |
| 72 | const char *protocol_name; | |
| 73 | const char *library_name; | |
| 74 | } block_driver_modules[] = {''') | |
| 75 | ||
| 76 | def print_bottom(fheader): | |
| 77 | fheader.write(''' | |
| 78 | }; | |
| 79 | ||
| 80 | #endif | |
| 81 | ''') | |
| 82 | ||
| 5aa62804 PMD |
83 | if __name__ == '__main__': |
| 84 | # First argument: output file | |
| 85 | # All other arguments: modules source files (.c) | |
| 86 | output_file = sys.argv[1] | |
| 87 | with open(output_file, 'w') as fheader: | |
| 88 | print_top(fheader) | |
| 0c0c1fd9 | 89 | |
| 5aa62804 PMD |
90 | for filename in sys.argv[2:]: |
| 91 | if os.path.isfile(filename): | |
| 92 | process_file(fheader, filename) | |
| 93 | else: | |
| 94 | print("File " + filename + " does not exist.", file=sys.stderr) | |
| 95 | sys.exit(1) | |
| 0c0c1fd9 | 96 | |
| 5aa62804 | 97 | print_bottom(fheader) |
| 0c0c1fd9 | 98 | |
| 5aa62804 | 99 | sys.exit(0) |