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annotate utils/sort_includes.py @ 75:90677c4a880a

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emit warning when function prototype is not exactly.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Sun, 04 May 2014 02:24:57 +0900
parents 95c75e76d11b
children afa8332a0e37
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 #!/usr/bin/env python
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2
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3 """Script to sort the top-most block of #include lines.
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4
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5 Assumes the LLVM coding conventions.
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6
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7 Currently, this script only bothers sorting the llvm/... headers. Patches
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8 welcome for more functionality, and sorting other header groups.
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9 """
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10
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11 import argparse
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12 import os
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13
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14 def sort_includes(f):
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15 """Sort the #include lines of a specific file."""
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16
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17 # Skip files which are under INPUTS trees or test trees.
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18 if 'INPUTS/' in f.name or 'test/' in f.name:
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19 return
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20
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21 ext = os.path.splitext(f.name)[1]
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22 if ext not in ['.cpp', '.c', '.h', '.inc', '.def']:
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23 return
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24
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25 lines = f.readlines()
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26 look_for_api_header = ext in ['.cpp', '.c']
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27 found_headers = False
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28 headers_begin = 0
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29 headers_end = 0
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30 api_headers = []
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31 local_headers = []
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32 project_headers = []
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33 system_headers = []
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34 for (i, l) in enumerate(lines):
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35 if l.strip() == '':
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36 continue
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37 if l.startswith('#include'):
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38 if not found_headers:
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39 headers_begin = i
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40 found_headers = True
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41 headers_end = i
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42 header = l[len('#include'):].lstrip()
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43 if look_for_api_header and header.startswith('"'):
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44 api_headers.append(header)
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45 look_for_api_header = False
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46 continue
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47 if header.startswith('<') or header.startswith('"gtest/'):
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48 system_headers.append(header)
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49 continue
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50 if (header.startswith('"llvm/') or header.startswith('"llvm-c/') or
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51 header.startswith('"clang/') or header.startswith('"clang-c/')):
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52 project_headers.append(header)
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53 continue
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54 local_headers.append(header)
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55 continue
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56
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57 # Only allow comments and #defines prior to any includes. If either are
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58 # mixed with includes, the order might be sensitive.
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59 if found_headers:
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60 break
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61 if l.startswith('//') or l.startswith('#define') or l.startswith('#ifndef'):
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62 continue
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63 break
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64 if not found_headers:
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65 return
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66
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67 local_headers = sorted(set(local_headers))
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68 project_headers = sorted(set(project_headers))
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69 system_headers = sorted(set(system_headers))
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70 headers = api_headers + local_headers + project_headers + system_headers
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71 header_lines = ['#include ' + h for h in headers]
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72 lines = lines[:headers_begin] + header_lines + lines[headers_end + 1:]
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73
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74 f.seek(0)
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75 f.truncate()
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76 f.writelines(lines)
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77
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78 def main():
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79 parser = argparse.ArgumentParser(description=__doc__)
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80 parser.add_argument('files', nargs='+', type=argparse.FileType('r+'),
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81 help='the source files to sort includes within')
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82 args = parser.parse_args()
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83 for f in args.files:
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84 sort_includes(f)
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85
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86 if __name__ == '__main__':
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87 main()