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1. # tools/lambda-audit.py <app dir> (mission 070, hybriel#48): every lambda that CHANGES a parameter without & (field/list
2. # writes, or a local alias `x = p` / `let x = p` — mission 028: a plain declaration copies like `let`) — since 8efba065 it changes a COPY; check that each caller uses the returned value.
3. import re,sys,glob,os
4. os.chdir(sys.argv[1])
5. files=[f for f in glob.glob('*.hl')+glob.glob('lib/*.hl')+glob.glob('components/*.hl')+glob.glob('tools/*.hl')+glob.glob('tests/*.hl')+glob.glob('shared/*.hl')]
6. lam=re.compile(r'(?:^|[\s,(=])(?:static\s+)?([A-Za-z_]\w*)?\s*=?\s*\(([^()]*)\)\s*=>\s*\{')
7. tot=0
8. for f in sorted(files):
9. src=open(f,encoding='utf-8').read()
10. for m in re.finditer(r'\(([^()]*)\)\s*=>\s*\{',src):
11. params=[p.strip() for p in m.group(1).split(',') if p.strip()]
12. i=m.end(); depth=1
13. while depth and i<len(src):
14. c=src[i]
15. if c=='{':depth+=1
16. elif c=='}':depth-=1
17. i+=1
18. body=src[m.end():i-1]
19. line=src.count('\n',0,m.start())+1
20. tot+=1
21. for p in params:
22. if p.startswith('&'): continue
23. p=p.split('=')[0].strip()
24. if not re.match(r'^\w+$',p): continue
25. hits=[]
26. for pat,kind in [(r'\b%s(?:\.\w+|\[[^\]]*\])+\s*=(?!=)'%p,'field-assign'),(r'\b%s(?:\.\w+|\[[^\]]*\])*\.(push|pop|shift|unshift|splice|sort|reverse)\('%p,'list-mutate'),(r'^\s*(?:let\s+)?(\w+)\s*=\s*%s\s*$'%p,'alias')]:
27. for h in re.finditer(pat,body,re.M):
28. hits.append(kind+': '+body[max(0,h.start()-0):h.end()+20].split('\n')[0].strip())
29. if hits:
30. name=src[max(0,m.start()-60):m.start()].split('\n')[-1].strip()
31. print(f'{f}:{line} [{name} ({",".join(params)})] param {p}:', ' | '.join(hits[:4]))
32. print('lambdas scanned:',tot, file=sys.stderr)