49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
#!/usr/bin/env python3
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"""Check that check-mode releases tokens allocated for each expression."""
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from pathlib import Path
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import os
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import subprocess
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import sys
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import tempfile
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ROOT = Path(__file__).resolve().parent.parent
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def main() -> int:
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if os.name == "nt":
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print("SKIP: LeakSanitizer check is POSIX-only")
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return 0
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with tempfile.TemporaryDirectory(prefix="check-token-cleanup-") as tmp:
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tmp_path = Path(tmp)
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binary = tmp_path / "claro-lsan"
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script = tmp_path / "tokens.claro"
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script.write_text('SAY "a repeated string literal"\n' * 2000, encoding="utf-8")
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build = subprocess.run(
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["gcc", "-std=c99", "-O0", "-g", "-fsanitize=address,undefined",
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"src/claro.c", "-o", str(binary), "-lm"],
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cwd=ROOT, text=True, capture_output=True,
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)
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if build.returncode:
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print(build.stdout, end="")
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print(build.stderr, end="", file=sys.stderr)
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return build.returncode
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run = subprocess.run(
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[str(binary), "check", str(script)], cwd=ROOT, text=True,
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capture_output=True, env={**os.environ, "ASAN_OPTIONS": "detect_leaks=1"},
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)
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if run.returncode:
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print("FAIL: check-mode token cleanup probe failed")
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print(run.stdout, end="")
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print(run.stderr, end="", file=sys.stderr)
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return 1
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if "LeakSanitizer" in run.stderr or "SUMMARY:" in run.stderr:
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print("FAIL: check-mode token allocations still leak")
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print(run.stderr, end="", file=sys.stderr)
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return 1
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print("PASS: check-mode expression tokens are released")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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