71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
#!/usr/bin/env python3
|
|
"""Regression check for discarded control-flow expression Values."""
|
|
from pathlib import Path
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
import tempfile
|
|
|
|
ROOT = Path(__file__).resolve().parent.parent
|
|
|
|
|
|
def main() -> int:
|
|
if os.name == "nt":
|
|
print("SKIP: LeakSanitizer check is POSIX-only")
|
|
return 0
|
|
with tempfile.TemporaryDirectory(prefix="claro-control-expression-cleanup-") as tmp:
|
|
tmp_path = Path(tmp)
|
|
binary = tmp_path / "claro-lsan"
|
|
script = tmp_path / "control_expressions.claro"
|
|
script.write_text(
|
|
''.join(
|
|
'IF "condition" + " value"\n'
|
|
' SET seen TO YES\n'
|
|
'ENDIF\n'
|
|
for _ in range(2000)
|
|
)
|
|
+ ''.join(
|
|
'DO "1" TIMES\n'
|
|
' SET seen TO YES\n'
|
|
'DONE\n'
|
|
for _ in range(2000)
|
|
)
|
|
+ 'SAY seen\n',
|
|
encoding="utf-8",
|
|
)
|
|
build = subprocess.run(
|
|
[
|
|
"gcc", "-std=c99", "-O0", "-g",
|
|
"-fsanitize=address,undefined",
|
|
"src/claro.c", "-o", str(binary), "-lm",
|
|
], cwd=ROOT, text=True, capture_output=True,
|
|
)
|
|
if build.returncode:
|
|
print(build.stdout, end="")
|
|
print(build.stderr, end="", file=sys.stderr)
|
|
return build.returncode
|
|
run = subprocess.run(
|
|
[str(binary), str(script)], cwd=ROOT, text=True,
|
|
capture_output=True,
|
|
env={**os.environ, "ASAN_OPTIONS": "detect_leaks=1"},
|
|
)
|
|
if run.returncode:
|
|
print("FAIL: control-expression cleanup probe failed")
|
|
print(run.stdout, end="")
|
|
print(run.stderr, end="", file=sys.stderr)
|
|
return 1
|
|
if "LeakSanitizer" in run.stderr or "SUMMARY:" in run.stderr:
|
|
print("FAIL: discarded control-flow expression values still leak")
|
|
print(run.stderr, end="", file=sys.stderr)
|
|
return 1
|
|
if run.stdout != "YES\n":
|
|
print("FAIL: control-expression cleanup probe produced the wrong output")
|
|
print(run.stdout, end="", file=sys.stderr)
|
|
return 1
|
|
print("PASS: discarded control-flow expression values are released")
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
raise SystemExit(main())
|