rajamesandClaude Opus 5.5
b5d644d498
Layer 5 of the compiler capsule. The host node is now started at QUIT and left running: it prompts, reads a line from its console with QUERY, interprets it, says " ok" or " ERROR", and goes round again. - capsule/quit.v4: QUIT and ABORT (FORTH-79), ABORT" and (ABORT") as v3 has them, ." and (.") (FORTH-79). Text is compiled as a counted string after the call; the run-time word returns to the cell after it. - INTERPRET prints v3's messages before abandoning a line: UNKNOWN WORD: 'xxx' and xxx: compile-only. - core.v4: CR SPACE COUNT TYPE, as DECOMPOSITION.md gives them. - input.v4: WORD split so that (PARSE) can take text without skipping leading delimiters (." " is an empty string); EXPECT keeps its place in memory, so six values may wait on the stack while a line is typed. - tests/test_host_quit.c: the node is fed characters and its output read; 16 sessions are transcripts of the v3 binary. QUIT stops the line from inside any word and says nothing; v3's goes on with the line and cannot be compiled. v3's compiled ABORT" crashes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
v4/
StarForth v4: the 32-instruction F18-derived core. The design lives in
docs/v4.0.0/JUSTIFICATION.md (why) and docs/v4.0.0/DECOMPOSITION.md
(every v3 word mapped to a v4 fate).
The first deliverable is the hosted C99 golden model (JUSTIFICATION.md §10,
step 1). It must pass POST and hold K≡1.0 with 32- and 64-bit cells on all
three host ISAs.
Acceptance (JUSTIFICATION.md §16): v4 must be equivalent to v3 at any point
in time, with the same vocabularies and behaviour, on the F18-derived engine;
and every ISA, hosted and bare metal, must still reach its ok prompt.
make -C v4 test passing is a development check, not acceptance.
What exists so far is the single node: registers, circular stacks, memory, all
32 opcodes, per-opcode and per-call-target heat, and three console
registers (CONSOLE-TX, which captures output, and CONSOLE-RX and CONSOLE-STATUS, which hand out
input a test feeds) standing in for the console node until the mesh exists. The tests load definitions
onto a node either opcode by opcode (v4/include/v4/asm.h) or as text in the notation DECOMPOSITION.md
uses (v4/include/v4/text.h). make -C v4 test builds
and runs the tests at both cell widths; make -C v4 sanitize repeats them
under ASan and UBSan. There is no compiler capsule, no POST and no K
measurement yet.