feat(v4.0.0): POST is the kernel's -- the boot feeds the cases, and nothing of the harness is on the node

The boot runs POST with the runner (v4/system/post.c) after the capsules:
it feeds the 538 cases to the node and judges them from outside.  A
case's printing no longer reaches the console.  What the cases define
stays in the dictionary, as in v3; the system is sealed after POST and
the boot prints PARITY:V4_SYSTEM word_count=N dict_hash=..., as v3 prints
its parity after POST.

Gone: capsules/v4/post79.4th and its blocks 7000 up; the harness words;
(CATCH) and (EMIT-HOOK), with what EMIT and the prompt loop did for them.

The generator runs v3 on the lines as the kernel sends them, without the
capsule's "T| ".  One expected result follows from that: >IN.initial
prints 6, not 9.

make -C v4 test, sanitize and hosted-check pass; amd64, aarch64 and
riscv64 boot, POST 538 of 538, word_count=411, dict_hash
0x6fb1d09418b189ee on all six: logs/20261007-105118, -105335, -105651.
T{ is unknown at the prompt; RS1 prints 42 42 before and after COLD.  A
scratch build with one expectation changed names the case and ends
PARITY:FAIL, POST: FAILED.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-07 10:59:02 -04:00
co-authored by Claude Opus 5.5
parent 2bf958ce3a
commit 4bdb210a99
20 changed files with 659 additions and 1981 deletions
+24 -2
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@@ -705,8 +705,30 @@ Each is tested, committed and pushed before the next.
release by asking, holes. Its acceptance is to be approved before it is
built.
**6b. POST is the kernel's.** Ruled 2026-10-07 (section 9); design
approved 2026-10-07, `NUCLEUS.md` 6.3 and section 7. Acceptance, as
approved:
approved 2026-10-07, `NUCLEUS.md` 6.3 and section 7.
**Done 2026-10-07.**
- *The cases* (`v4/system/post_cases.c`, written by `v4/tools/mkpost.py`):
the same 538, checked against the capsule case by case. One expected
result changed: `>IN.initial` prints 6 where it printed 9, because a
case's line no longer begins with the capsule's `T| `; the generator
now runs v3 on the lines as the kernel sends them.
- *The runner* (`v4/system/post.c`), tested in
`v4/tests/test_host_quit.c` with cases that must pass and cases that
must fail.
- *The boot* (`v4/system/boot.c`) runs it after the capsules, prints
`PARITY:V4_SYSTEM`, and seals. `capsules/v4/post79.4th`, `(CATCH)` and
`(EMIT-HOOK)` are gone.
- *Verified.* `make -C v4 test`, `sanitize` and `hosted-check`; three
bare-metal boots, `logs/20261007-105118` (amd64), `-105335`
(aarch64), `-105651` (riscv64). On all six: POST 538 of 538,
`word_count=411`, `dict_hash=0x6fb1d09418b189ee`. At the prompt `T{`
is unknown, and `RS1`, which a case defines, prints `42 42` before and
after `COLD`. A hosted program built with one case's expected output
changed names the case and ends `PARITY:FAIL`, `POST: FAILED`.
- What the cases define takes 1,385 cells of the dictionary space's
5,632.
Acceptance, as approved:
1. *Same verdict.* The three hosted programs and the three bare-metal
boots print `PARITY:V4_POST tests=538 pass=538 fail=0`,
`PARITY:V4_SYSTEM word_count=N dict_hash=0x...`, `PARITY:OK` and
+13 -13
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@@ -33,7 +33,7 @@ standard's and not v3's.
| `+!.negative` | `10 HERE ! -3 HERE +! HERE @ . CR` | error | unchanged | stack `empty`, prints `7 \n` | v3 raises an error FORTH-79 does not ask for: a store to HERE |
| `+!.accumulate` | `0 HERE ! 1 HERE +! 2 HERE +! 3 HERE +! HERE @ . CR` | error | unchanged | stack `empty`, prints `6 \n` | v3 raises an error FORTH-79 does not ask for: a store to HERE |
| `HERE.after_comma~2` | `HERE 42 , HERE SWAP - 1 CELLS = 0 SWAP /` | error | unchanged | stack `0`, prints nothing | the case divides by zero unless HERE moved by one cell; on v3 it had moved by 8 |
| `MOVE.basic` | `HERE 65 OVER C! HERE 1+ 66 OVER C! HERE HERE 16 + 2 MOVE HERE 16 + C@ . HERE 17 + C@ . CR` | stack `302 303`, printed `65 66 \n` | `65 HERE ! 66 HERE 1+ ! HERE HERE 16 + 2 MOVE HERE 16 + @ . HERE 17 + @ . CR` | stack `empty`, prints `65 66 \n` | FORTH-79: MOVE moves cells; and v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `MOVE.basic` | `HERE 65 OVER C! HERE 1+ 66 OVER C! HERE HERE 16 + 2 MOVE HERE 16 + C@ . HERE 17 + C@ . CR` | stack `294 295`, printed `65 66 \n` | `65 HERE ! 66 HERE 1+ ! HERE HERE 16 + 2 MOVE HERE 16 + @ . HERE 17 + @ . CR` | stack `empty`, prints `65 66 \n` | FORTH-79: MOVE moves cells; and v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `BASE.base_store` | `16 BASE ! 255 . CR` | stack `empty`, printed `597 \n` | unchanged | stack `empty`, prints `255 \n` | 255 read in base 16 and printed in base 16 is 255; v3 printed 467 |
| `<#.basic` | `DECIMAL 42 S>D <# #S #> TYPE CR` | stack `empty`, printed `774763251095801167872\n` | unchanged | stack `empty`, prints `42\n` | v3 prints 774763251095801167872 for 42 S>D <# #S #> |
| `<#.empty` | `0 <# #> TYPE CR` | stack `0`, printed `\n` | `0 0 <# #> TYPE CR` | stack `empty`, prints `\n` | FORTH-79: <# # #S #> work on a double number; v3 takes a single |
@@ -51,20 +51,20 @@ standard's and not v3's.
| `#>.empty` | `0 <# #> TYPE CR` | stack `0`, printed `\n` | `0 0 <# #> TYPE CR` | stack `empty`, prints `\n` | FORTH-79: <# # #S #> work on a double number; v3 takes a single |
| `#>.stack_effect` | `42 <# #S #> SWAP . . CR` | stack `empty`, printed `24 2 \n` | `42 0 <# #S #> SWAP DROP . CR` | stack `empty`, prints `2 \n` | FORTH-79: <# # #S #> work on a double number; v3 takes a single |
| `HOLD.basic` | `42 <# 46 HOLD #S #> TYPE CR` | stack `empty`, printed `42.\n` | `42 0 <# 46 HOLD #S #> TYPE CR` | stack `empty`, prints `42.\n` | FORTH-79: <# # #S #> work on a double number; v3 takes a single |
| `COUNT.basic` | `HERE S" Test" DROP COUNT . . CR` | stack `302`, printed `84 303 \n` | `4 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `4 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and S" is not FORTH-79 |
| `COUNT.empty` | `HERE 0 OVER C! COUNT . . CR` | stack `empty`, printed `0 308 \n` | `0 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `0 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.max_length` | `HERE 255 OVER C! COUNT . . CR` | stack `empty`, printed `255 308 \n` | `255 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `255 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.basic~2` | `HERE S" Test" DROP C@ HERE 1+ SWAP COUNT . . CR` | stack `412 418`, printed `0 85 \n` | `4 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `4 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.empty~2` | `HERE 0 OVER C! COUNT . . CR` | stack `empty`, printed `0 418 \n` | `0 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `0 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.max_length~2` | `HERE 255 OVER C! COUNT . . CR` | stack `empty`, printed `255 418 \n` | `255 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `255 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `CMOVE.basic` | `HERE S" Test" DUP >R HERE 10 + SWAP CMOVE CR` | stack `325`, printed `\n` | `65 PAD C! 66 PAD 1+ C! PAD PAD 10 + 2 CMOVE PAD 10 + C@ . PAD 11 + C@ . CR` | stack `empty`, prints `65 66 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and the v3 case leaves a value on the return stack |
| `TYPE.basic_string` | `HERE S" Hello" DUP >R HERE SWAP CMOVE HERE R> TYPE CR` | stack `400`, printed `Hello\n` | `72 PAD C! 105 PAD 1+ C! PAD 2 TYPE CR` | stack `empty`, prints `Hi\n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and FORTH-79: >R R> R@ are for use inside a definition; v4 refuses them at the prompt |
| `TYPE.numbers` | `HERE S" 12345" DUP >R HERE SWAP CMOVE HERE R> TYPE CR` | stack `406`, printed `12345\n` | `49 PAD C! 50 PAD 1+ C! PAD 2 TYPE CR` | stack `empty`, prints `12\n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and FORTH-79: >R R> R@ are for use inside a definition; v4 refuses them at the prompt |
| `>IN.initial` | `>IN @ . CR` | stack `empty`, printed `860486384 \n` | unchanged | stack `empty`, prints `9 \n` | FORTH-79: >IN is the offset into the input, 9 here; v3 prints an address |
| `COUNT.basic` | `HERE S" Test" DROP COUNT . . CR` | stack `294`, printed `84 295 \n` | `4 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `4 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and S" is not FORTH-79 |
| `COUNT.empty` | `HERE 0 OVER C! COUNT . . CR` | stack `empty`, printed `0 300 \n` | `0 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `0 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.max_length` | `HERE 255 OVER C! COUNT . . CR` | stack `empty`, printed `255 300 \n` | `255 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `255 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.basic~2` | `HERE S" Test" DROP C@ HERE 1+ SWAP COUNT . . CR` | stack `404 410`, printed `0 85 \n` | `4 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `4 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.empty~2` | `HERE 0 OVER C! COUNT . . CR` | stack `empty`, printed `0 410 \n` | `0 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `0 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `COUNT.max_length~2` | `HERE 255 OVER C! COUNT . . CR` | stack `empty`, printed `255 410 \n` | `255 PAD C! PAD COUNT . PAD - . CR` | stack `empty`, prints `255 1 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1) |
| `CMOVE.basic` | `HERE S" Test" DUP >R HERE 10 + SWAP CMOVE CR` | stack `317`, printed `\n` | `65 PAD C! 66 PAD 1+ C! PAD PAD 10 + 2 CMOVE PAD 10 + C@ . PAD 11 + C@ . CR` | stack `empty`, prints `65 66 \n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and the v3 case leaves a value on the return stack |
| `TYPE.basic_string` | `HERE S" Hello" DUP >R HERE SWAP CMOVE HERE R> TYPE CR` | stack `392`, printed `Hello\n` | `72 PAD C! 105 PAD 1+ C! PAD 2 TYPE CR` | stack `empty`, prints `Hi\n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and FORTH-79: >R R> R@ are for use inside a definition; v4 refuses them at the prompt |
| `TYPE.numbers` | `HERE S" 12345" DUP >R HERE SWAP CMOVE HERE R> TYPE CR` | stack `398`, printed `12345\n` | `49 PAD C! 50 PAD 1+ C! PAD 2 TYPE CR` | stack `empty`, prints `12\n` | v3's address unit is a byte; a v4 address unit is a cell (D-1); and FORTH-79: >R R> R@ are for use inside a definition; v4 refuses them at the prompt |
| `>IN.initial` | `>IN @ . CR` | stack `empty`, printed `657828592 \n` | unchanged | stack `empty`, prints `6 \n` | FORTH-79: >IN is the offset into the input, 6 here; v3 prints an address |
| `UPDATE.no_block` | `0 SCR ! UPDATE` | error | unchanged | stack `empty`, prints nothing | v3 raises an error FORTH-79 does not ask for |
| `SCR.after_load` | `1 LOAD SCR @ . CR` | stack `empty`, printed `` | unchanged | stack `empty`, prints `1 \n` | v3 prints nothing after 1 LOAD; SCR is still 1 from the LIST before |
| `FIND.existing` | `FIND DUP . CR` | stack `empty`, printed `860485744 \n` | unchanged | 0 value(s) left; output not compared | FORTH-79: FIND takes the next word, DUP here, and leaves its address, which is printed |
| `FIND.user_word` | `: test5 44 ; FIND test5 . CR` | stack `empty`, printed `860812560 \n` | unchanged | 0 value(s) left; output not compared | the address FIND leaves is printed |
| `FIND.existing` | `FIND DUP . CR` | stack `empty`, printed `657827952 \n` | unchanged | 0 value(s) left; output not compared | FORTH-79: FIND takes the next word, DUP here, and leaves its address, which is printed |
| `FIND.user_word` | `: test5 44 ; FIND test5 . CR` | stack `empty`, printed `658154448 \n` | unchanged | 0 value(s) left; output not compared | the address FIND leaves is printed |
| `FIND.empty` | `FIND` | error | unchanged | stack `0`, prints nothing | FORTH-79: FIND leaves 0 when there is no word; v3 raises an error |
| `VOCABULARY.cross_vocab_access` | `VOCABULARY V1 V1 DEFINITIONS : V1WORD 11 ; FORTH V1WORD . CR` | stack `empty`, printed `11 \n` | unchanged | an error | FORTH-79: a word defined in another vocabulary is not found from FORTH; v3 finds it |
| `VOCABULARY.duplicate` | `VOCABULARY TESTVOC VOCABULARY TESTVOC` | error | unchanged | stack `empty`, prints nothing | v3 raises an error FORTH-79 does not ask for: defining a name again |