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

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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
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v4/tests/test_host_quit.c
+6 -1
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@@ -1277,6 +1277,11 @@ int main(void)
post_lost = 0;
}
/* ---- nothing of POST is on the node (NUCLEUS.md 6.3) ---- */
boot();
CHECK(is(say("(CATCH)\n"), "UNKNOWN WORD: '(CATCH)'\n ERROR\nok> ") && is(say("(EMIT-HOOK)\n"), "UNKNOWN WORD: '(EMIT-HOOK)'\n ERROR\nok> ")
&& is(say("T{\n"), "UNKNOWN WORD: 'T{'\n ERROR\nok> "), "the nucleus has neither of the variables the POST capsule needed, nor its words");
/* ---- storage that refuses a write (MESH.md 8.2) ---- */
boot();
CHECK(is(say(REFUSING_FIRST " BLOCK DROP UPDATE SAVE-BUFFERS 65 EMIT\n"), "Storage refused\n ERROR\nok> "), "a write storage will not take says so, and the prompt returns");
@@ -1450,7 +1455,7 @@ int main(void)
boot_bare();
CHECK(load_source("tools.fth"), "tools.fth compiles, every line of it");
CHECK(is(say(": SQ DUP * ; SEE SQ\n"), ": SQ\n dup call * \n ; \n ok\nok> "), "a definition: an in-line word, a call by name, the return");
CHECK(is(say("SEE DUP\n"), ": DUP\n dup ; \n ok\nok> ") && is(say("SEE EMIT\n"), out) && strncmp(out, ": EMIT\n @p ", 12) == 0 && strstr(out, " b! @b \n if ") && strstr(out, " pop a! ; \n"),
CHECK(is(say("SEE DUP\n"), ": DUP\n dup ; \n ok\nok> ") && is(say("SEE EMIT\n"), out) && strncmp(out, ": EMIT\n @p 255 and ", 20) == 0 && strstr(out, " pop a! ; \n"),
"the capsule's own words; a literal's value follows its @p");
CHECK(is(say("VARIABLE V 7 V ! SEE V\n"), ": V\n data: 7 \n ok\nok> ") && is(say("5 CONSTANT K SEE K\n"), ": K\n data: 5 \n ok\nok> "), "a variable and a constant show what they hold");
CHECK(is(say(": IM 1 ; IMMEDIATE SEE IM\n"), ": IM\n @p 1 ; \nIMMEDIATE\n ok\nok> "), "an immediate word says so");