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t27o: converter trio -- callers of an out-buffer String fn refused, a match in the oracle of a two-text fn, refused receivers named #11130

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Merged
gHashTag merged 3 commits into from
Oct 19, 2026
Merged

t27o: converter trio -- callers of an out-buffer String fn refused, a match in the oracle of a two-text fn, refused receivers named #11130

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6714d0f
t27o: a caller of an out-buffer String fn is refused with a reason th…
claude Oct 19, 2026
d93e4bc
t27o: the oracle of a fn with two texts samples a needle inside a hay…
claude Oct 19, 2026
7d20c70
t27o: a refusal caused by a refused receiver names the receiver type,…
claude Oct 19, 2026
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18 changes: 9 additions & 9 deletions .trinity/seals/t27o_T27oRust.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2,27 +2,27 @@
"built_by": "t27c-bootstrap@0.5.2+b258b9007",
"closure": [],
"config": "gen=c,rust,verilog,zig;tests=zig",
"gen_hash_c": "sha256:eb5230aa674e89d821c62094685b31e15bb3f1e6e0fa14c0f99198d1fa248770",
"gen_hash_rust": "sha256:15fce2e7366e1bb135ae9fcf6d34e8b7b8177e4e22d09069112b06b584635a69",
"gen_hash_verilog": "sha256:ea35ca3d1c18655fac83f20b17c3c8a04c78e727da9e18ae074f95870c8cba1b",
"gen_hash_zig": "sha256:1f0284cf8883747e351d13a0e4e8d6de036c37b4633fa1d8fd6890c741d4aaf5",
"gen_hash_c": "sha256:b8e42e85b2ccd7e591ca3b485fee80244056e0cd01bebeea25b14aa73bd89e68",
"gen_hash_rust": "sha256:fdac1e1c4eeebc210cf0e4787f858970791f93b25b51672fb930e3a86668525e",
"gen_hash_verilog": "sha256:9019dde0e27c80177a221ab7e74eb64d0264c1b52d2d0116cde1bb0c55f5e75f",
"gen_hash_zig": "sha256:531c54a26c50418065283f6c78ea153d2f3b98bc4f2d6531e79cf2d3b5ab776c",
"module": "T27oRust",
"ring": 12,
"seal_schema": 2,
"sealed_at": "2026-10-19T17:29:12Z",
"sealed_at": "2026-10-19T18:50:55Z",
"sealed_by": "t27c-bootstrap@0.5.2",
"spec_hash": "sha256:ad23e8ee46f5bda72c23c1a428b323660b5cf66da17ed942286834c0bc0b60e2",
"spec_hash": "sha256:455dc21c58322da101de1ade5ebc45e713e35b895861860b85709706297d345f",
"spec_path": "specs/tools/t27o/rust_convert.t27",
"tests": {
"failed": 0,
"failing": [],
"forced": false,
"passed": 353,
"total": 353,
"passed": 363,
"total": 363,
"vacuous": 0
},
"toolchain": {
"test_runner": "missing",
"test_runner": "sha256:8512b80da533b79289110fca4a65f3336abd7a059ca4b72ea595d5e33ff8ad10",
"zig": "0.16.0"
}
}
115 changes: 82 additions & 33 deletions gen/rust/tools/t27o/rust_convert.rs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
// Generated from .t27 spec
// DO NOT EDIT — generated by t27c
// NOT LOWERED BY THIS BACKEND: 353 test(s), 0 invariant(s), 0 function(s) with no body.
// NOT LOWERED BY THIS BACKEND: 363 test(s), 0 invariant(s), 0 function(s) with no body.
// This backend emits declarations only. The spec's checks live in
// the Zig and Verilog outputs; do not read this file as verified.

Expand Down Expand Up @@ -108,6 +108,8 @@ pub const CCNT: usize = 50;

pub const DCAP: usize = 64;

pub const PAIR_N: usize = 3;

pub const LNPOS: usize = 51;

pub const LNNL: usize = 52;
Expand All @@ -126,7 +128,9 @@ pub const IXBN: usize = 57;

pub const IXTOP: usize = 58;

pub const NAMES: usize = 59;
pub const PAIRS: usize = 59;

pub const NAMES: usize = 60;

pub const NAME_SLOTS: usize = 5;

Expand Down Expand Up @@ -326,6 +330,8 @@ pub const R_VECOUT: usize = 44;

pub const R_VECCALL: usize = 45;

pub const R_STRCALL: usize = 46;

pub const R_FLOATLIT: usize = 43;

pub const R_NOPRELUDE: usize = 40;
Expand Down Expand Up @@ -1454,7 +1460,7 @@ pub fn deps(src: &[u8], st: &mut [usize], lo: usize, hi: usize) -> () {
while ((sq < hi) && (st[(ERR) as usize] == 0)) {
let se: usize = tok_end(src, sq);
if word_is(src, sq, se, b"self") {
refuse(st, R_DEPENDS, sq, sq, se);
refuse(st, R_DEPENDS, sq, st[(ILO) as usize], st[(IHI) as usize]);
}
sq = skip_ws(src, se);
}
Expand Down Expand Up @@ -1489,13 +1495,14 @@ pub fn deps(src: &[u8], st: &mut [usize], lo: usize, hi: usize) -> () {
if ((kind == K_ITEM) || (kind == K_EXT)) {
hit = (((!(after_dot) && !(after_path)) && !(after_fn)) && !(tok_is(src, nx, b":")));
}
if ((kind == K_VECFN) && (st[((s + 2)) as usize] == st[((s + 3)) as usize])) {
let outfn: bool = ((kind == K_VECFN) || (kind == K_STRFN));
if (outfn && (st[((s + 2)) as usize] == st[((s + 3)) as usize])) {
hit = (((call && !(after_dot)) && !(after_path)) && !(after_fn));
}
if ((((kind == K_VECFN) && (st[((s + 2)) as usize] != st[((s + 3)) as usize])) && after_dot) && call) {
if (((outfn && (st[((s + 2)) as usize] != st[((s + 3)) as usize])) && after_dot) && call) {
hit = true;
}
if ((((kind == K_VECFN) && (st[((s + 2)) as usize] != st[((s + 3)) as usize])) && after_path) && (p1 < src.len())) {
if (((outfn && (st[((s + 2)) as usize] != st[((s + 3)) as usize])) && after_path) && (p1 < src.len())) {
hit = (same_text(src, st[((s + 2)) as usize], st[((s + 3)) as usize], p1, tok_end(src, p1)) || tok_is(src, p1, b"Self"));
}
if (hit && (kind == K_EXT)) {
Expand All @@ -1504,7 +1511,10 @@ pub fn deps(src: &[u8], st: &mut [usize], lo: usize, hi: usize) -> () {
if (hit && (kind == K_VECFN)) {
refuse(st, R_VECCALL, q, q, e);
}
if ((hit && (kind != K_EXT)) && (kind != K_VECFN)) {
if (hit && (kind == K_STRFN)) {
refuse(st, R_STRCALL, q, q, e);
}
if ((hit && (kind != K_EXT)) && !(outfn)) {
refuse(st, R_DEPENDS, q, q, e);
}
}
Expand All @@ -1515,7 +1525,7 @@ pub fn deps(src: &[u8], st: &mut [usize], lo: usize, hi: usize) -> () {
let c2: usize = skip_ws(src, tok_end(src, c1));
let self_call: bool = (((((tok_is(src, c1, b"::") && (c2 < src.len())) && is_alpha(src[(c2) as usize])) && !(is_upper(src[(c2) as usize]))) && tok_is(src, skip_ws(src, tok_end(src, c2)), b"(")) && declared_fn(src, st, c2, tok_end(src, c2)));
if !(self_call) {
refuse(st, R_DEPENDS, q, q, e);
refuse(st, R_DEPENDS, q, st[(ILO) as usize], st[(IHI) as usize]);
}
}
if ((((((((st[(ERR) as usize] == 0) && call) && !(after_dot)) && !(after_path)) && !(after_fn)) && !(is_upper(src[(q) as usize]))) && !(call_keyword(src, q, e))) && !(declared_fn(src, st, q, e))) {
Expand Down Expand Up @@ -7870,10 +7880,14 @@ pub fn put_reason(src: &[u8], st: &mut [usize], out: &mut [u8]) -> () {
if (c == R_VECCALL) {
puts(st, out, b"a call of a fn whose Vec result is the caller's out buffer (an unbounded list the caller would own)");
} else {
if (c == R_SPLICE) {
puts(st, out, b"a used module t27c cannot splice beside type_text (its own use stays unresolved, or its same clashes with type_text's, the gap specs/compiler/int_type_names.t27 records)");
if (c == R_STRCALL) {
puts(st, out, b"a call of a fn whose String result is the caller's out buffer (the caller would own a buffer of no stated length)");
} else {
puts(st, out, b"syntax");
if (c == R_SPLICE) {
puts(st, out, b"a used module t27c cannot splice beside type_text (its own use stays unresolved, or its same clashes with type_text's, the gap specs/compiler/int_type_names.t27 records)");
} else {
puts(st, out, b"syntax");
}
}
}
}
Expand Down Expand Up @@ -8681,17 +8695,60 @@ pub fn num_value(src: &[u8], q: usize, te: usize) -> usize {
return v;
}

pub fn is_text_kind(kind: usize) -> bool {
return ((((kind == V_STR) || (kind == V_BYTES)) || (kind == V_STRING)) || (kind == V_RSTRING));
}

pub fn text_count(k0: usize, k1: usize, k2: usize, k3: usize, k4: usize) -> usize {
let mut n: usize = 0;
if is_text_kind(k0) {
n = (n + 1);
}
if is_text_kind(k1) {
n = (n + 1);
}
if is_text_kind(k2) {
n = (n + 1);
}
if is_text_kind(k3) {
n = (n + 1);
}
if is_text_kind(k4) {
n = (n + 1);
}
return n;
}

pub fn put_pair_sample(st: &mut [usize], out: &mut [u8], k: usize) -> () {
if (k == 1) {
puts(st, out, b"abc");
} else {
puts(st, out, b"abcabc");
}
}

pub fn derived_at(src: &[u8], st: &mut [usize], kind: usize, tq: usize, d: usize) -> bool {
st[(DCSP) as usize] = 0;
st[(DNEG) as usize] = 0;
if (st[(FBLO) as usize] >= st[(FBHI) as usize]) {
return false;
}
let text: bool = ((((kind == V_STR) || (kind == V_BYTES)) || (kind == V_STRING)) || (kind == V_RSTRING));
let text: bool = is_text_kind(kind);
let ints: bool = ((kind == V_UNSIGNED) || (kind == V_SIGNED));
if (!(text) && !(ints)) {
return false;
}
let mut c: usize = 0;
let mut per: usize = 2;
if (text && (st[(PAIRS) as usize] >= 2)) {
if (d < PAIR_N) {
st[(DCSP) as usize] = 2;
st[(DVAL) as usize] = d;
return true;
}
c = PAIR_N;
per = 3;
}
let mut w: usize = 0;
let mut sg: bool = false;
if ints {
Expand All @@ -8701,7 +8758,6 @@ pub fn derived_at(src: &[u8], st: &mut [usize], kind: usize, tq: usize, d: usize
return false;
}
}
let mut c: usize = 0;
let mut q: usize = st[(FBLO) as usize];
let mut neg: bool = false;
while (q < st[(FBHI) as usize]) {
Expand All @@ -8715,41 +8771,27 @@ pub fn derived_at(src: &[u8], st: &mut [usize], kind: usize, tq: usize, d: usize
}
}
if ((text && (src[(q) as usize] == B_QUOTE)) && clean_text(src, (q + 1), (te - 1))) {
if (c == d) {
if ((d >= c) && (d < (c + per))) {
st[(DCLA) as usize] = (q + 1);
st[(DCLB) as usize] = (te - 1);
st[(DCSP) as usize] = 0;
st[(DCSP) as usize] = ((d - c) % 2);
return true;
}
c = (c + 1);
if (c == d) {
st[(DCLA) as usize] = (q + 1);
st[(DCLB) as usize] = (te - 1);
st[(DCSP) as usize] = 1;
return true;
}
c = (c + 1);
c = (c + per);
}
if (text && ((((src[(q) as usize] == B_LOWER_B) && ((q + 1) < st[(FBHI) as usize])) && (src[((q + 1)) as usize] == B_QUOTE)) || (((src[(q) as usize] == B_LOWER_R) && ((q + 1) < st[(FBHI) as usize])) && ((src[((q + 1)) as usize] == B_QUOTE) || (src[((q + 1)) as usize] == B_HASH))))) {
let mut h: usize = 0;
while (((src[(q) as usize] == B_LOWER_R) && (((q + 1) + h) < te)) && (src[(((q + 1) + h)) as usize] == B_HASH)) {
h = (h + 1);
}
if clean_text(src, ((q + 2) + h), ((te - 1) - h)) {
if (c == d) {
if ((d >= c) && (d < (c + per))) {
st[(DCLA) as usize] = ((q + 2) + h);
st[(DCLB) as usize] = ((te - 1) - h);
st[(DCSP) as usize] = 0;
st[(DCSP) as usize] = ((d - c) % 2);
return true;
}
c = (c + 1);
if (c == d) {
st[(DCLA) as usize] = ((q + 2) + h);
st[(DCLB) as usize] = ((te - 1) - h);
st[(DCSP) as usize] = 1;
return true;
}
c = (c + 1);
c = (c + per);
}
}
if ((((((text && (src[(q) as usize] == B_LOWER_B)) && ((q + 1) < st[(FBHI) as usize])) && (src[((q + 1)) as usize] == B_APOS)) && (te == (q + 4))) && (src[((q + 3)) as usize] == B_APOS)) && clean_text(src, (q + 2), (q + 3))) {
Expand Down Expand Up @@ -9057,6 +9099,11 @@ pub fn put_value(src: &[u8], st: &mut [usize], out: &mut [u8], kind: usize, tq:
}
put_quote(st, out, rust);
if ((k >= base) && derived_at(src, st, kind, tq, (k - base))) {
if (st[(DCSP) as usize] == 2) {
put_pair_sample(st, out, st[(DVAL) as usize]);
put_quote(st, out, rust);
return ();
}
if (st[(DCSP) as usize] == 1) {
puts(st, out, b" ");
}
Expand Down Expand Up @@ -9626,6 +9673,7 @@ pub fn vectors(src: &[u8], st: &mut [usize], out: &mut [u8], na: usize, nb: usiz
st[(FBHI) as usize] = (be - 1);
}
}
st[(PAIRS) as usize] = text_count(k0, k1, k2, k3, k4);
let mut nv: usize = 1;
if (n > 0) {
nv = slen(src, st, k0, t0);
Expand Down Expand Up @@ -9758,6 +9806,7 @@ pub fn vectors(src: &[u8], st: &mut [usize], out: &mut [u8], na: usize, nb: usiz
}
put_src(src, st, out, na, nb);
puts(st, out, b" {{\"); for l in &v { println!(\"{}\", l); } println!(\"}}\\n\"); }\n }\n");
st[(PAIRS) as usize] = 0;
}

pub fn ret_is_string(src: &[u8], pn: usize) -> bool {
Expand Down
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