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saschbe
61 lines
2.8 KiB
Python
61 lines
2.8 KiB
Python
#!/usr/bin/env python3
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"""Link the handle-size integration probe using an existing Ninja app build.
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Reuses app objects without duplicating the app or introducing a core-library
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refactor. No application source or existing executable is replaced. The
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generated manifest, probe binary, reports and export fixtures stay in build/.
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"""
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import argparse
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import pathlib
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import re
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import shutil
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import subprocess
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import sys
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parser = argparse.ArgumentParser()
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parser.add_argument('--build', required=True)
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parser.add_argument('--binary', required=True)
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parser.add_argument('--source', required=True)
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parser.add_argument('--fixture', required=True)
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args = parser.parse_args()
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build = pathlib.Path(args.build).resolve()
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binary = pathlib.Path(args.binary).resolve()
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source = pathlib.Path(args.source).resolve()
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fixture = pathlib.Path(args.fixture).resolve()
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manifest = (build / 'build.ninja').read_text(encoding='utf-8')
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match = re.search(r'^build (\S*?/sources/main\.cpp\.(?:obj|o)):', manifest, re.MULTILINE)
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if not match:
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sys.exit('Cannot find the application main object in the Ninja build.')
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main_object = match.group(1)
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probe_object = main_object.replace('main.cpp.', 'handle_size_probe.cpp.')
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probe_binary = binary.with_name('handle_size_probe' + binary.suffix)
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def escape(path):
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return pathlib.Path(path).as_posix().replace('$', '$$').replace(':', '$:').replace(' ', '$ ')
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main_source = source.parents[2] / 'sources' / 'main.cpp'
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manifest = manifest.replace(main_object, probe_object)
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manifest = manifest.replace(escape(main_source), escape(source))
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if binary.suffix:
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manifest = manifest.replace(binary.name, probe_binary.name)
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else:
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old_target = escape(binary.name if binary.parent == build else binary)
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new_target = escape(probe_binary.name if probe_binary.parent == build else probe_binary)
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manifest = manifest.replace('build ' + old_target + ':', 'build ' + new_target + ':')
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old_file = binary.name if binary.parent == build else binary.as_posix()
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new_file = probe_binary.name if probe_binary.parent == build else probe_binary.as_posix()
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manifest = re.sub(r'^ TARGET_FILE = ' + re.escape(old_file) + r'$',
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' TARGET_FILE = ' + new_file, manifest, flags=re.MULTILINE)
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probe_manifest = build / 'handle-size-probe.ninja'
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probe_manifest.write_text(manifest, encoding='utf-8')
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ninja = shutil.which('ninja')
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if not ninja:
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sys.exit('Ninja is required for the integration probe.')
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target = probe_binary.name if probe_binary.parent == build else str(probe_binary)
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subprocess.run([ninja, '-C', str(build), '-f', probe_manifest.name, target], check=True)
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output = build / 'handle-size'
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output.mkdir(exist_ok=True)
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report = output / 'results.txt'
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result = subprocess.run([str(probe_binary), str(fixture), str(report), str(output)], timeout=90)
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if report.exists():
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print(report.read_text(encoding='utf-8', errors='replace'))
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sys.exit(result.returncode)
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