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5aa628045d
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200512103238.7078-6-philmd@redhat.com>
100 lines
2.7 KiB
Python
100 lines
2.7 KiB
Python
#!/usr/bin/env python3
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#
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# Module information generator
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#
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# Copyright Red Hat, Inc. 2015 - 2016
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#
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# Authors:
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# Marc Mari <markmb@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2.
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# See the COPYING file in the top-level directory.
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import sys
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import os
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def get_string_struct(line):
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data = line.split()
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# data[0] -> struct element name
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# data[1] -> =
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# data[2] -> value
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return data[2].replace('"', '')[:-1]
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def add_module(fheader, library, format_name, protocol_name):
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lines = []
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lines.append('.library_name = "' + library + '",')
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if format_name != "":
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lines.append('.format_name = "' + format_name + '",')
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if protocol_name != "":
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lines.append('.protocol_name = "' + protocol_name + '",')
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text = '\n '.join(lines)
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fheader.write('\n {\n ' + text + '\n },')
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def process_file(fheader, filename):
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# This parser assumes the coding style rules are being followed
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with open(filename, "r") as cfile:
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found_start = False
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library, _ = os.path.splitext(os.path.basename(filename))
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for line in cfile:
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if found_start:
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line = line.replace('\n', '')
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if line.find(".format_name") != -1:
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format_name = get_string_struct(line)
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elif line.find(".protocol_name") != -1:
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protocol_name = get_string_struct(line)
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elif line == "};":
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add_module(fheader, library, format_name, protocol_name)
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found_start = False
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elif line.find("static BlockDriver") != -1:
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found_start = True
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format_name = ""
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protocol_name = ""
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def print_top(fheader):
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fheader.write('''/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
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/*
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* QEMU Block Module Infrastructure
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*
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* Authors:
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* Marc Mari <markmb@redhat.com>
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*/
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''')
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fheader.write('''#ifndef QEMU_MODULE_BLOCK_H
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#define QEMU_MODULE_BLOCK_H
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static const struct {
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const char *format_name;
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const char *protocol_name;
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const char *library_name;
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} block_driver_modules[] = {''')
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def print_bottom(fheader):
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fheader.write('''
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};
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#endif
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''')
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if __name__ == '__main__':
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# First argument: output file
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# All other arguments: modules source files (.c)
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output_file = sys.argv[1]
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with open(output_file, 'w') as fheader:
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print_top(fheader)
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for filename in sys.argv[2:]:
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if os.path.isfile(filename):
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process_file(fheader, filename)
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else:
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print("File " + filename + " does not exist.", file=sys.stderr)
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sys.exit(1)
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print_bottom(fheader)
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sys.exit(0)
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