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comparison CbC-scripts/make_headers.py2 @ 26:b388631e4738

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add make_headers script.
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Thu, 29 Oct 2009 18:19:02 +0900
parents
children f9b1a53df341
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25:2476ed92181e 26:b388631e4738
1 #!/usr/bin/env python
2 # -*- coding: utf-8 -*-
3
4 import sys
5 import re
6
7 reserved_words = [ "if", "for", "switch", "return", "while", "else", ]
8
9 #PATTERN = r"([a-zA-Z_]\w*)\s+([a-zA-Z_]\w*)\s*\(([^;]*)\)\s*\{"
10 #PATTERN = r"((?:[a-zA-Z_]\w*)\s+)+?([a-zA-Z_]\w*)\s*\(([^;]*)\)\s*\{"
11 PATTERN = r"([a-zA-Z_][\w\s]*\**)\s([a-zA-Z_]\w*)\s*\(([^/;]*)\)\s*\{"
12 # TODO: 関数パラメータ内にコメントがあると正しく動かない!
13 PROG = re.compile(PATTERN, re.S)
14
15 def truncate_comments(data):
16 pass
17
18 def check_reserved_word(decl):
19 """ return true if decl's type and name is not reserved word. """
20
21 if decl["name"] in reserved_words or decl["type"] in reserved_words:
22 return False
23 return True
24
25 def read_decls(file):
26 declarators = []
27
28 # open the file and read all lines into a string.
29 try:
30 fo = open(file, 'r')
31 lines = fo.readlines()
32 data = "".join(lines)
33 truncate_comments(data)
34 except IOError:
35 print "cannot read file %s" % file
36
37 # find all matched strings.
38 # moiter is iterator of MatchObject.
39 moiter = PROG.finditer(data)
40 for mo in moiter:
41 tmp = { "type": mo.group(1),
42 "name": mo.group(2),
43 "parms": mo.group(3),
44 "offset": mo.start() }
45 if check_reserved_word(tmp):
46 declarators.append(tmp)
47
48 return declarators
49
50 def debug_print(decl):
51 for (key,value) in decl.items():
52 if isinstance(value, str):
53 decl[key] = value.replace("\n"," ").replace("\t"," ")
54
55 print "Type:\t%s" % decl["type"]
56 print "Name:\t%s" % decl["name"]
57 print "Params:\t%s" % decl["parms"]
58 print "offset:\t%d" % decl["offset"]
59 print ""
60 #s = "%s %s ( %s );" % (decl["type"], decl["name"], decl["parms"])
61 #print s, "/* offset: %d */" % decl["offset"]
62
63 def format_print(decl, file):
64 for (key,value) in decl.items():
65 if isinstance(value, str):
66 decl[key] = value.replace("\n"," ").replace("\t"," ")
67
68 print "/* defined in file %s at offset %d */" % (file,decl["offset"])
69 print "%s %s (%s);" % (decl["type"],decl["name"],decl["parms"])
70 print ""
71
72 def main():
73 for file in sys.argv[1:]:
74 decls = read_decls(file)
75
76 if decls==None or len(decls)==0:
77 print "%s have no function definition!" % file
78 continue
79 for decl in decls:
80 #debug_print(decl)
81 format_print(decl, file)
82 #print decls[0]
83
84
85 main()
86