f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
54 lines
1.5 KiB
Python
Executable File
54 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2021 ScyllaDB
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#
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#
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# SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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#
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#
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# Called by configure.py to merge several compdbs into one, so your
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# favourite compatible code indexer can present you with a relevant
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# maximally-complete unified index.
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#
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# Usage: merge-compdb.py build/{debug,release,dev,sanitize} [input...]
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#
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# Glue inputs, which must be compdb ("compile_command.json") files,
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# together, filtering out anything that is not indexable or not built
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# under the given prefix, and write the result to stdout.
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#
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# An input is either a file name or "-" for stdin.
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#
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# configure.py calls this with "-" for the ninja-generated scylla
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# compdb and mode-specific seastar & abseil compdbs.
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#
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import json
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import re
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import sys
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prefix = sys.argv[1]
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inputs = sys.argv[2:]
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def read_input(fname):
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with open(fname) as f:
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return json.load(f)
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def is_indexable(e):
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return any(e['file'].endswith('.' + suffix) for suffix in ['c', 'C', 'cc', 'cxx'])
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# We can only definitely say whether an entry is built under the right
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# prefix when it has an "output" field, so those without are assumed
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# to be OK. This works for our usage, where only "ninja -t compdb"
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# creates entries with an 'output' field _and_ needs to be filtered in
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# the first place.
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def is_relevant(e):
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return ('output' not in e) or (e['output'].startswith(prefix))
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json.dump([e for fname in inputs
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for e in read_input(fname) if is_indexable(e) and is_relevant(e)],
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sys.stdout, indent=True)
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