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Surface §5 geometry operators to compiled El

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Register the six engram_geo_*_json operators in the compiler builtin_arity
table (bare heavy-runtime names + __ seed names, mirroring engram_activate_json)
and add the engram.el module wrappers, so a compiled El (CGI) program can call
them by name. The heavy-runtime C functions already existed (el_runtime.c:12287+,
declared el_runtime.h:627-632); this completes the EL call surface.

The shipped elc already emits a direct C call for these builtins (unknown
ident-calls pass through), so no self-host compiler fold — the memory-heavy,
drift-prone step — was required. Demonstrated end-to-end: a compiled geo_ops_demo.el
booted a copy of the store (13,036 nodes) and produced real subtract/distance JSON
on two real neighborhoods; test_geo_ops.c stays 20/20, ASan/UBSan clean.

Also brace the centroid_unit normalization if/else in engram_geometry.c to clear
the misleading-indentation warning (behavior-neutral).
This commit is contained in:
Will Anderson
2026-08-13 00:50:56 -05:00
parent 5336cfe0a6
commit 85eee42106
4 changed files with 81 additions and 1 deletions
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lang/el-compiler/src/codegen.el
+12
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@@ -2633,6 +2633,12 @@ fn builtin_arity(name: String) -> Int {
if str_eq(name, "__engram_neighbors_filtered") { return 3 }
if str_eq(name, "__engram_activate") { return 2 }
if str_eq(name, "__engram_activate_json") { return 2 }
if str_eq(name, "__engram_geo_descriptor_json") { return 1 }
if str_eq(name, "__engram_geo_overlap_json") { return 2 }
if str_eq(name, "__engram_geo_subtract_json") { return 3 }
if str_eq(name, "__engram_geo_combine_json") { return 2 }
if str_eq(name, "__engram_geo_distance_json") { return 2 }
if str_eq(name, "__engram_geo_analogy_json") { return 2 }
if str_eq(name, "__engram_scan_nodes_json") { return 2 }
if str_eq(name, "__generate") { return 1 }
// Filesystem
@@ -2732,6 +2738,12 @@ fn builtin_arity(name: String) -> Int {
if str_eq(name, "engram_scan_nodes_json") { return 2 }
if str_eq(name, "engram_neighbors_json") { return 3 }
if str_eq(name, "engram_activate_json") { return 2 }
if str_eq(name, "engram_geo_descriptor_json") { return 1 }
if str_eq(name, "engram_geo_overlap_json") { return 2 }
if str_eq(name, "engram_geo_subtract_json") { return 3 }
if str_eq(name, "engram_geo_combine_json") { return 2 }
if str_eq(name, "engram_geo_distance_json") { return 2 }
if str_eq(name, "engram_geo_analogy_json") { return 2 }
if str_eq(name, "engram_stats_json") { return 0 }
// LLM
if str_eq(name, "llm_call") { return 2 }