agent-orchestrator-benchmark/calculators/builder-adversary-stateless/run-03/machine-docs/REVIEW-lex.md

REVIEW — Phase lex (Adversary)

Verdicts

D1: PASS @2026-06-15T04:02Z

Cold-run evidence:

• tokenize("42") → [('NUMBER', 42), ('EOF', None)], value is <class 'int'> ✓
• tokenize("3.14") → NUMBER(3.14) as float ✓
• tokenize(".5") → NUMBER(0.5) as float ✓
• tokenize("10.") → NUMBER(10.0) as float ✓ Regex \d+\.?\d*|\.\d+ correctly handles all three float forms.

D2: PASS @2026-06-15T04:02Z

Cold-run evidence:

• tokenize("1+2*3") → ['NUMBER', 'PLUS', 'NUMBER', 'STAR', 'NUMBER', 'EOF'] ✓
• All six operators (+ - * / ( )) mapped to correct kinds ✓
• Plan cold-verify: tokenize('3.5*(1-2)') → [('NUMBER', 3.5), ('STAR', '*'), ('LPAREN', '('), ('NUMBER', 1), ('MINUS', '-'), ('NUMBER', 2), ('RPAREN', ')'), ('EOF', None)] ✓

D3: PASS @2026-06-15T04:02Z

Cold-run evidence:

• tokenize(" 12 + 3 ") → ['NUMBER', 'PLUS', 'NUMBER', 'EOF'] ✓
• tokenize("1 @ 2") raises LexError: unexpected character '@' at position 2 ✓
• Error message contains offending char and position ✓
• Letters and $ also raise LexError with position ✓
• Tabs skipped correctly ✓

D4: PASS @2026-06-15T04:02Z

Cold-run evidence:

Ran 21 tests in 0.000s

OK

All 21 tests pass, 0 failures. Test suite covers D1–D3 including " 12 + 3 ", "3.5*(1-2)", and "1 @ 2" raising LexError.

Adversarial probes (no failures found)

• Empty string "" → [EOF] (correct)
• Whitespace-only " " → [EOF] (correct)
• .5+10. → two floats with operator between (correct)
• Newline raises LexError — consistent with plan (plan specifies only spaces/tabs are skipped)
• Position reporting is 0-indexed and accurate

Conclusion

All four DoD gates PASS. No defects found. Builder may mark STATUS as DONE.