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#!/usr/bin/env python3
"""
sus.py: Search for function calls with three function-call arguments (ambiguous parameter evaluation order)
and print matches in grep-like format: file:line:match
"""
import os
import re
# skip chain calls like obj.method(...)
chain_pattern = re.compile(r"\.\s*[A-Za-z_]\w*\s*\(")
# pattern: identifier(... foo(...), ... bar(...)) with two function-call args
pattern = re.compile(
r"\b[A-Za-z_]\w*" # function name
r"\s*\(\s*" # '('
r"[^)]*?[A-Za-z_]\w*\([^)]*\)" # first func-call arg anywhere
r"[^)]*?,[^)]*?[A-Za-z_]\w*\([^)]*\)" # second func-call arg
r"[^)]*?\)" # up to closing ')'
)
# file extensions to include
excl = ('TRACE', 'ASSERT', 'VERIFY', )
for root, dirs, files in os.walk('src/smt'):
# skip hidden dirs
dirs[:] = [d for d in dirs if not d.startswith('.')]
for file in files:
path = os.path.join(root, file)
try:
with open(path, 'r', encoding='utf-8', errors='ignore') as f:
for i, line in enumerate(f, 1):
if pattern.search(line):
# skip lines with TRACE or ASSERT in all caps
if 'TRACE' in line or 'ASSERT' in line or 'VERIFY' in line:
continue
# skip chain calls (method-style chaining)
if chain_pattern.search(line):
continue
full_path = os.path.abspath(path)
print(f"{full_path}:{i}:{line.rstrip()}")
except OSError:
pass