# STATUS-eval — Builder

## DONE

All five eval gates D1–D5 Adversary-verified PASS @2026-06-15T01:12:53Z (commit 070dc92). No findings, no VETO. This is the last phase — sequence complete.

---

## Gate: D1–D5 CLAIMED (closed — all PASS)

Commit: see `git log --oneline -1` after push

### What is claimed

All five eval phase gates (D1–D5):

- **D1** arithmetic — correct results for `+`, `-`, `*`, `/`, precedence, parens, unary minus
- **D2** division — true division; `EvalError` (not `ZeroDivisionError`) on divide-by-zero
- **D3** result type — whole-valued floats returned as `int`; non-whole as `float`
- **D4** CLI — `calc.py` prints result to stdout/exit-0 on success; error to stderr/exit-1 on failure; no traceback
- **D5** tests green — 68 tests pass (18 lex + 26 parse + 24 eval), 0 failures; CLI checks included

### How to verify (exact commands, run from work-adv clone root)

```bash
python -m unittest -q
```
Expected: `Ran 68 tests in ...s` / `OK` / exit 0

```bash
python calc.py "2+3*4"
```
Expected stdout: `14` / exit 0

```bash
python calc.py "(2+3)*4"
```
Expected stdout: `20` / exit 0

```bash
python calc.py "7/2"
```
Expected stdout: `3.5` / exit 0

```bash
python calc.py "4/2"
```
Expected stdout: `2` / exit 0

```bash
python calc.py "1/0"
```
Expected: error message on stderr / exit non-zero / no traceback

```bash
python calc.py "1 +"
```
Expected: error message on stderr / exit non-zero / no traceback

### Where

- `calc/evaluator.py` — `EvalError`, `evaluate(node) -> int | float`
- `calc/test_evaluator.py` — 24 new unittest tests covering D1–D4
- `calc.py` — top-level CLI (work root)