1 #!/usr/bin/env python3 1 #!/usr/bin/env python3
2 # SPDX-License-Identifier: GPL-2.0-only 2 # SPDX-License-Identifier: GPL-2.0-only
3 3
4 import fnmatch 4 import fnmatch
5 import os 5 import os
6 import re 6 import re
7 import argparse 7 import argparse
8 8
9 9
10 def parse_of_declare_macros(data, include_driv !! 10 def parse_of_declare_macros(data):
11 """ Find all compatible strings in OF_ 11 """ Find all compatible strings in OF_DECLARE() style macros """
12 compat_list = [] 12 compat_list = []
13 # CPU_METHOD_OF_DECLARE does not have 13 # CPU_METHOD_OF_DECLARE does not have a compatible string
14 if include_driver_macros: !! 14 for m in re.finditer(r'(?<!CPU_METHOD_)(IRQCHIP|OF)_(DECLARE|MATCH)(_DRIVER)?\(.*?\)', data):
15 re_macros = r'(?<!CPU_METHOD_) <<
16 else: <<
17 re_macros = r'(?<!CPU_METHOD_) <<
18 for m in re.finditer(re_macros, data): <<
19 try: 15 try:
20 compat = re.search(r'" 16 compat = re.search(r'"(.*?)"', m[0])[1]
21 except: 17 except:
22 # Fails on compatible 18 # Fails on compatible strings in #define, so just skip
23 continue 19 continue
24 compat_list += [compat] 20 compat_list += [compat]
25 21
26 return compat_list 22 return compat_list
27 23
28 24
29 def parse_of_device_id(data, match_table_list= !! 25 def parse_of_device_id(data):
30 """ Find all compatible strings in of_ 26 """ Find all compatible strings in of_device_id structs """
31 compat_list = [] 27 compat_list = []
32 for m in re.finditer(r'of_device_id(\s !! 28 for m in re.finditer(r'of_device_id\s+[a-zA-Z0-9_]+\[\]\s*=\s*({.*?);', data):
33 if match_table_list is not Non !! 29 compat_list += re.findall(r'\.compatible\s+=\s+"([a-zA-Z0-9_\-,]+)"', m[1])
34 continue <<
35 compat_list += re.findall(r'\. <<
36 <<
37 return compat_list <<
38 <<
39 <<
40 def parse_of_match_table(data): <<
41 """ Find all driver's of_match_table " <<
42 match_table_list = [] <<
43 for m in re.finditer(r'\.of_match_tabl <<
44 match_table_list.append(m[2]) <<
45 <<
46 return match_table_list <<
47 <<
48 <<
49 def parse_of_functions(data, func_name): <<
50 """ Find all compatibles in the last a <<
51 compat_list = [] <<
52 for m in re.finditer(rf'{func_name}\(( <<
53 compat_list.append(m[2]) <<
54 30
55 return compat_list 31 return compat_list
56 32
57 33
58 def parse_compatibles(file, compat_ignore_list !! 34 def parse_compatibles(file):
59 with open(file, 'r', encoding='utf-8') 35 with open(file, 'r', encoding='utf-8') as f:
60 data = f.read().replace('\n', 36 data = f.read().replace('\n', '')
61 37
62 if compat_ignore_list is not None: !! 38 compat_list = parse_of_declare_macros(data)
63 # For a compatible in the DT t !! 39 compat_list += parse_of_device_id(data)
64 # up in a driver's of_match_ta <<
65 match_table_list = parse_of_ma <<
66 compat_list = parse_of_device_ <<
67 <<
68 compat_list = [compat for comp <<
69 else: <<
70 compat_list = parse_of_declare <<
71 compat_list += parse_of_device <<
72 compat_list += parse_of_functi <<
73 compat_list += parse_of_functi <<
74 compat_list += parse_of_functi <<
75 compat_list += parse_of_functi <<
76 40
77 return compat_list 41 return compat_list
78 42
79 def parse_compatibles_to_ignore(file): <<
80 with open(file, 'r', encoding='utf-8') <<
81 data = f.read().replace('\n', <<
82 <<
83 # Compatibles that show up in OF_DECLA <<
84 # match a driver, except for the _DRIV <<
85 return parse_of_declare_macros(data, i <<
86 <<
87 <<
88 def print_compat(filename, compatibles): 43 def print_compat(filename, compatibles):
89 if not compatibles: 44 if not compatibles:
90 return 45 return
91 if show_filename: 46 if show_filename:
92 compat_str = ' '.join(compatib 47 compat_str = ' '.join(compatibles)
93 print(filename + ": compatible 48 print(filename + ": compatible(s): " + compat_str)
94 else: 49 else:
95 print(*compatibles, sep='\n') 50 print(*compatibles, sep='\n')
96 51
97 def glob_without_symlinks(root, glob): 52 def glob_without_symlinks(root, glob):
98 for path, dirs, files in os.walk(root) 53 for path, dirs, files in os.walk(root):
99 # Ignore hidden directories 54 # Ignore hidden directories
100 for d in dirs: 55 for d in dirs:
101 if fnmatch.fnmatch(d, 56 if fnmatch.fnmatch(d, ".*"):
102 dirs.remove(d) 57 dirs.remove(d)
103 for f in files: 58 for f in files:
104 if fnmatch.fnmatch(f, 59 if fnmatch.fnmatch(f, glob):
105 yield os.path. 60 yield os.path.join(path, f)
106 61
107 def files_to_parse(path_args): 62 def files_to_parse(path_args):
108 for f in path_args: 63 for f in path_args:
109 if os.path.isdir(f): 64 if os.path.isdir(f):
110 for filename in glob_w 65 for filename in glob_without_symlinks(f, "*.c"):
111 yield filename 66 yield filename
112 else: 67 else:
113 yield f 68 yield f
114 69
115 show_filename = False 70 show_filename = False
116 71
117 if __name__ == "__main__": 72 if __name__ == "__main__":
118 ap = argparse.ArgumentParser() 73 ap = argparse.ArgumentParser()
119 ap.add_argument("cfile", type=str, nar 74 ap.add_argument("cfile", type=str, nargs='*', help="C source files or directories to parse")
120 ap.add_argument('-H', '--with-filename 75 ap.add_argument('-H', '--with-filename', help="Print filename with compatibles", action="store_true")
121 ap.add_argument('-d', '--driver-match' <<
122 args = ap.parse_args() 76 args = ap.parse_args()
123 77
124 show_filename = args.with_filename 78 show_filename = args.with_filename
125 compat_ignore_list = None <<
126 <<
127 if args.driver_match: <<
128 compat_ignore_list = [] <<
129 for f in files_to_parse(args.c <<
130 compat_ignore_list.ext <<
131 79
132 for f in files_to_parse(args.cfile): 80 for f in files_to_parse(args.cfile):
133 compat_list = parse_compatible !! 81 compat_list = parse_compatibles(f)
134 print_compat(f, compat_list) 82 print_compat(f, compat_list)
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