mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
fcae7eada1
Changes:
- Add "isl/" as a system library prefix. Even though isl is regularly
imported into polly, it is still used like an external library.
- Add "json/" as a system library prefix. Polly uses json-cpp as external
library.
- Distinguish between llvm and subproject libraries. Always sort subprojects
before LLVM. This was already the case with clang, as 'clang' comes before
'llvm', but we also want 'polly' to be sorted before 'llvm'.
The sorting of headers that are not part of Polly or isl remains unchanged.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236929 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
2.8 KiB
Python
Executable File
94 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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"""Script to sort the top-most block of #include lines.
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Assumes the LLVM coding conventions.
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Currently, this script only bothers sorting the llvm/... headers. Patches
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welcome for more functionality, and sorting other header groups.
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"""
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import argparse
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import os
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def sort_includes(f):
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"""Sort the #include lines of a specific file."""
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# Skip files which are under INPUTS trees or test trees.
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if 'INPUTS/' in f.name or 'test/' in f.name:
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return
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ext = os.path.splitext(f.name)[1]
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if ext not in ['.cpp', '.c', '.h', '.inc', '.def']:
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return
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lines = f.readlines()
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look_for_api_header = ext in ['.cpp', '.c']
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found_headers = False
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headers_begin = 0
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headers_end = 0
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api_headers = []
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local_headers = []
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subproject_headers = []
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llvm_headers = []
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system_headers = []
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for (i, l) in enumerate(lines):
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if l.strip() == '':
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continue
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if l.startswith('#include'):
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if not found_headers:
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headers_begin = i
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found_headers = True
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headers_end = i
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header = l[len('#include'):].lstrip()
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if look_for_api_header and header.startswith('"'):
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api_headers.append(header)
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look_for_api_header = False
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continue
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if (header.startswith('<') or header.startswith('"gtest/') or
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header.startswith('"isl/') or header.startswith('"json/')):
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system_headers.append(header)
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continue
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if (header.startswith('"clang/') or header.startswith('"clang-c/') or
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header.startswith('"polly/')):
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subproject_headers.append(header)
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continue
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if (header.startswith('"llvm/') or header.startswith('"llvm-c/')):
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llvm_headers.append(header)
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continue
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local_headers.append(header)
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continue
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# Only allow comments and #defines prior to any includes. If either are
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# mixed with includes, the order might be sensitive.
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if found_headers:
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break
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if l.startswith('//') or l.startswith('#define') or l.startswith('#ifndef'):
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continue
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break
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if not found_headers:
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return
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local_headers = sorted(set(local_headers))
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subproject_headers = sorted(set(subproject_headers))
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llvm_headers = sorted(set(llvm_headers))
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system_headers = sorted(set(system_headers))
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headers = api_headers + local_headers + subproject_headers + llvm_headers + system_headers
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header_lines = ['#include ' + h for h in headers]
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lines = lines[:headers_begin] + header_lines + lines[headers_end + 1:]
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f.seek(0)
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f.truncate()
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f.writelines(lines)
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('files', nargs='+', type=argparse.FileType('r+'),
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help='the source files to sort includes within')
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args = parser.parse_args()
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for f in args.files:
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sort_includes(f)
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if __name__ == '__main__':
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main()
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