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feat(v4.0.0): the host node's stacks are 32 deep (D-17)

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With the stacks counted and guarded (D-16) their size is a parameter of
the node.  The host node, which runs the interpreter and the compiler
under the user's programme, gets 32 values and 32 return entries; a mesh
node keeps the F18's 10 and 9.  Nothing else about the mechanism or any
word's definition changes.

- stack.h: V4_DATA_RING and V4_RET_RING are build parameters; the
  Makefile sets them for the host-node tests.
- tests/test_host_quit.c no longer assumes a size: it fills the stacks to
  whatever they are, and takes every exit with the return stack full.
- Measured on the host node now: 28 values on a line, 29 waiting between
  lines, words 31 deep from the prompt.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
rajames
2026-10-04 18:29:10 -04:00
co-authored by Claude Opus 5.5
parent 0da7e32a0b
commit ebffa6082d
8 changed files with 133 additions and 58 deletions
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v4/include/v4/stack.h
+9 -2
View File
@@ -38,12 +38,19 @@
#include "v4/cell.h"
#include "v4/guard.h"
/* D-2: data stack is T, S + 8 circular = 10 deep. */
/* D-2: data stack is T, S + 8 circular = 10 deep. That is a mesh node. The
* ring size is a build parameter, like node memory (node.h): D-17 gives the
* host node, which runs the interpreter and the compiler under the user's
* programme, deeper stacks. Nothing else about the mechanism changes. */
#ifndef V4_DATA_RING
#define V4_DATA_RING 8
#endif
#define V4_DATA_DEPTH (V4_DATA_RING + 2)
/* D-2: return stack is R + 8 circular = 9 deep. */
/* D-2: return stack is R + 8 circular = 9 deep; a build parameter likewise. */
#ifndef V4_RET_RING
#define V4_RET_RING 8
#endif
#define V4_RET_DEPTH (V4_RET_RING + 1)
/* 5% safety boundary at each end of each ring, per guard.h. The bands sit