From 07e18043145f3d91c8ea7ec3ad41b3c905585277 Mon Sep 17 00:00:00 2001
From: Ethan Werner <mail@ethanwerner.com>
Date: Wed, 1 Jul 2026 09:42:39 +0400
Subject: initial commit: ts time series analysis library v0.1.0

- 354 financial and mathematical time-series indicators
- Uniform C11 API with consistent function signatures
- 349 passing tests with -Werror
- Static and shared library builds
- pkg-config integration
- Python bindings
- Fuzzing and sanitizer support
- Security hardening flags
---
 scripts/gen_fuzz.py | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 scripts/gen_fuzz.py

(limited to 'scripts/gen_fuzz.py')

diff --git a/scripts/gen_fuzz.py b/scripts/gen_fuzz.py
new file mode 100644
index 0000000..a1d20e3
--- /dev/null
+++ b/scripts/gen_fuzz.py
@@ -0,0 +1,74 @@
+#!/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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