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#!/usr/bin/env python3
"""Generate fuzz table entries from ts indicator metadata.
Parses lib/*.c via ts_parser to extract function names and input/output
counts, then generates a C source file with the complete fuzz table.
"""
import argparse
import importlib.util
import os
import sys
_spec = importlib.util.spec_from_file_location(
"ts_parser",
os.path.join(os.path.dirname(os.path.abspath(__file__)), "ts_parser.py"),
)
if _spec and _spec.loader:
_ts_parser = importlib.util.module_from_spec(_spec)
_spec.loader.exec_module(_ts_parser)
parse_all = _ts_parser.parse_all
else:
print("Error: could not load ts_parser", file=sys.stderr)
sys.exit(1)
OUT = os.path.join(
os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
"test",
"fuzz_table_generated.c",
)
def generate_table(funcs, dry_run=False):
"""Generate the fuzz table C source file."""
if dry_run:
print(f"[dry-run] Would generate {len(funcs)} fuzz entries -> {OUT}")
return
with open(OUT, "w", encoding="utf-8") as f:
f.write("/* Auto-generated fuzz table. Do not edit. */\n\n")
f.write('#include "ts.h"\n\n')
f.write("static const fuzz_entry_t _fuzz_table_generated[] = {\n")
for fm in funcs:
f.write(f" {{ts_{fm.name}, {fm.x_n}, {fm.y_n}}},\n")
f.write("};\n\n")
f.write(
"static const uint_t _fuzz_generated_n = sizeof(_fuzz_table_generated) / sizeof(_fuzz_table_generated[0]);\n"
)
def main():
parser = argparse.ArgumentParser(description="Generate fuzz table from registry")
parser.add_argument(
"--dry-run",
action="store_true",
help="Print what would be generated without writing",
)
args = parser.parse_args()
funcs = parse_all(detect_x_access=True)
if not funcs:
print("Warning: no ts_parameter declarations found.", file=sys.stderr)
sys.exit(1)
generate_table(funcs, dry_run=args.dry_run)
if not args.dry_run:
print(f"Generated {len(funcs)} fuzz entries -> {OUT}")
if __name__ == "__main__":
main()
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