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-rw-r--r--contrib/scripts/find_typedefs.py99
1 files changed, 99 insertions, 0 deletions
diff --git a/contrib/scripts/find_typedefs.py b/contrib/scripts/find_typedefs.py
new file mode 100644
index 000000000..68f5c2782
--- /dev/null
+++ b/contrib/scripts/find_typedefs.py
@@ -0,0 +1,99 @@
1from __future__ import print_function
2import os
3import re
4import sys
5
6
7debug = False
8
9
10def get_td_from_function_signature(line, file, num):
11 left_paren = line.find('(')
12 if left_paren > 0:
13 left_paren += 1
14 li = line[left_paren:]
15 right_paren = line.find(')')
16 if right_paren > 0 and right_paren > left_paren and line[right_paren:].find('(') >= 0:
17 fname = line[:right_paren]
18 fname = fname.lstrip(' ').lstrip('*').lstrip(' ').rstrip(' ')
19 if len(fname) > 0:
20 if debug:
21 print("from {0}:{1}".format(file, num))
22 print("-T {0}".format(fname))
23
24
25def get_td_from_simple_type(line, file, num):
26 line = line.rstrip(' ').rstrip('\t').rstrip(' ').rstrip('\t')
27 right_space = line.rfind(' ')
28 right_tab = line.rfind('\t')
29 sep = right_tab if right_tab > right_space else right_space
30 sep += 1
31 tname = line[sep:]
32 tname = tname.lstrip('*')
33 if len(tname) > 0:
34 if debug:
35 print("from {0}:{1}".format(file, num))
36 print("-T {0}".format(tname))
37
38
39def find_typedefs(file):
40 with open(file, 'rb') as f:
41 td = False
42 td_struct = False
43 td_level = 0
44 td_line = []
45 data = f.read()
46 for i, l in enumerate(data.splitlines(False)):
47 # Don't try to be too smart: only count lines that begin with 'typedef '
48 l = l.rstrip(' ').rstrip('\t')
49 if len(l) == 0:
50 continue
51 if not td:
52 if l[:8] != 'typedef ':
53 continue
54 else:
55 td = True
56 if l[8:].lstrip(' ').lstrip('\t')[:6] == 'struct':
57 td_struct = True
58 if td_struct:
59 leftcbrace = l.find('{')
60 if leftcbrace >= 0:
61 if td_level == 0:
62 td_line.append(l[:leftcbrace])
63 l = l[leftcbrace + 1:]
64 td_level += 1
65 rightcbrace = l.rfind('}')
66 if rightcbrace >= 0:
67 td_level -= 1
68 if td_level == 0:
69 td_line.append(l[rightcbrace + 1:])
70 else:
71 td_line.append(l)
72 if len(l) > 0 and l[-1] == ';' and(not td_struct or td_level == 0):
73 td_line = ' '.join(td_line)
74 td_line = td_line[:-1]
75 if len(td_line) > 0:
76 if td_line[-1] == ')':
77 get_td_from_function_signature(td_line, file, i)
78 else:
79 get_td_from_simple_type(td_line, file, i)
80 td_line = []
81 td = False
82 td_struct = False
83 td_level = 0
84
85
86def scan_dir(d):
87 for dirpath, dirs, files in os.walk(d):
88 for f in files:
89 if re.match(r'(?!lt_).+\.(c|cc|h)$', f):
90 file = os.path.join(dirpath, f)
91 find_typedefs(file)
92
93
94if __name__ == '__main__':
95 if len(sys.argv[1:]) == 0:
96 arg = os.getcwd()
97 else:
98 arg = sys.argv[1]
99 scan_dir(arg)