Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1473043845-13197-2-git-send-email-famz@redhat.com Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
		
			
				
	
	
		
			102 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#!/usr/bin/python
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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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from __future__ import print_function
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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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#include "qemu-common.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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# 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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