gen-c: an enum member is a constant, not a field access

.trinity/seals/AdamW.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:908d7c055474530a0a1190a6bdd8ac715d72cb7d5eaedf9d6dcd85f3ab673c77",
+  "gen_hash_c": "sha256:69f5af10816f1fc51f184d3e6ac47110ed0a06723335f7b8f7e11c0d7bc357f7",
   "gen_hash_rust": "sha256:20969877473efdd38111fb8dba59cd02c5f11dfcdec7bccca52357d51e6474f5",
   "gen_hash_verilog": "sha256:b4c627e61a5f93624f5901ceb1386f761e68bb8ad1756fd90be8c727871f667c",
   "gen_hash_zig": "sha256:eaaca634bf317cb126fa1f126fa9c5171c9951cb2831d4a8a0cde5496c7c1a41",
   "module": "AdamW",
   "ring": 12,
-  "sealed_at": "2026-09-08T04:58:00Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "spec_hash": "sha256:a5dbcb7030b094474aaaa271acb30a8e360843416a8ce98070bfee8cc66ae80b",
   "spec_path": "specs/ml/optimizer/adamw.t27"
 }

.trinity/seals/SacredAttention.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:3851ee7227a9ca38ee2f2d1d5061db2560f809effd509a9032d2d521202bcb4a",
+  "gen_hash_c": "sha256:7addff61a5aa8bfbb4c7849dc107d9e1387d29936bfc5fe756181ca3876cb147",
   "gen_hash_rust": "sha256:0a4064c4d5ae45dda501198128042849e7b9f0b1b598012ddf8ff34367df1b72",
   "gen_hash_verilog": "sha256:495b48a5c98b7c1fccab460f017fcc48da428a1789ba23eaa7691edc1d0d9e13",
   "gen_hash_zig": "sha256:187bc0b9346fcc3d35ae53a9bad1be0fab2cfe59ddedbf8f61fe4a2856f4cd36",
   "module": "SacredAttention",
   "ring": 12,
-  "sealed_at": "2026-09-08T04:37:30Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "spec_hash": "sha256:be83d2a916a15957502d6afa4d6eff7ab07d0373e81555704ee842500db47187",
   "spec_path": "specs/nn/attention.t27"
 }

.trinity/seals/cloud-railway-deploy.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:c28a47ff5967112db4c145d16ce29a293e051f88f7c3056f698dd01631a38336",
+  "gen_hash_c": "sha256:2eb75718be19e6b8ed1d9b328bd9cb5856a3b5c54982cc455ca96487609c9cbf",
   "gen_hash_rust": "sha256:1dd515089d4fc9eb26525fc72a6ea446fd1afbf2f02a2c11f9f0b350a6b9d648",
   "gen_hash_verilog": "sha256:fe9bfbdfe7aadce3f908023b6cc0a0430eefbfdcb74c75e78299db56d22e25d8",
   "gen_hash_zig": "sha256:cf5a9d481565a4ea277bf8c9a7777d9f5e192d66dd950d68df6638f6feee8dae",
   "module": "cloud-railway-deploy",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:45Z",
+  "sealed_at": "2026-09-08T07:24:11Z",
   "spec_hash": "sha256:fe78e70813d0e3d95b70cbf96474baa05dc866c856d2b6cd4ab7036043071364",
   "spec_path": "specs/cloud/railway_deploy.t27"
 }

.trinity/seals/cloud_cloud-railway-deploy.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:c28a47ff5967112db4c145d16ce29a293e051f88f7c3056f698dd01631a38336",
+  "gen_hash_c": "sha256:2eb75718be19e6b8ed1d9b328bd9cb5856a3b5c54982cc455ca96487609c9cbf",
   "gen_hash_rust": "sha256:1dd515089d4fc9eb26525fc72a6ea446fd1afbf2f02a2c11f9f0b350a6b9d648",
   "gen_hash_verilog": "sha256:fe9bfbdfe7aadce3f908023b6cc0a0430eefbfdcb74c75e78299db56d22e25d8",
   "gen_hash_zig": "sha256:cf5a9d481565a4ea277bf8c9a7777d9f5e192d66dd950d68df6638f6feee8dae",
   "module": "cloud-railway-deploy",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:45Z",
+  "sealed_at": "2026-09-08T07:24:11Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:fe78e70813d0e3d95b70cbf96474baa05dc866c856d2b6cd4ab7036043071364",
   "spec_path": "specs/cloud/railway_deploy.t27"

.trinity/seals/compiler-mod-structure.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:5672c53eb1e8130a6c54d3d934acfadab049b56305f2566deee4df2df093bfb8",
+  "gen_hash_c": "sha256:246ba23a60738d77c5ec3a4ac23b6daecebc6367c983c571b9b58c13da74a28d",
   "gen_hash_rust": "sha256:9faab8f1c0a80bada89afe5a2a6d9e168c42f914f40c63721ba525b22174c33f",
   "gen_hash_verilog": "sha256:4dfb39cb8256ee127d93cb27b27070a6138cf060008b77fee817402594fad250",
   "gen_hash_zig": "sha256:044709f8c9eabfdb6784e6b554e05d5d157e84115c5300eead5f7cc0d2705024",
   "module": "compiler-mod-structure",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:45Z",
+  "sealed_at": "2026-09-08T07:24:12Z",
   "spec_hash": "sha256:dee8a1c4e2ac49ff01ec4228a43bdcb4364d4e68fa2d1d439b27c2d5bac584a7",
   "spec_path": "specs/compiler/mod_structure.t27"
 }

.trinity/seals/compiler_compiler-mod-structure.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:5672c53eb1e8130a6c54d3d934acfadab049b56305f2566deee4df2df093bfb8",
+  "gen_hash_c": "sha256:246ba23a60738d77c5ec3a4ac23b6daecebc6367c983c571b9b58c13da74a28d",
   "gen_hash_rust": "sha256:9faab8f1c0a80bada89afe5a2a6d9e168c42f914f40c63721ba525b22174c33f",
   "gen_hash_verilog": "sha256:4dfb39cb8256ee127d93cb27b27070a6138cf060008b77fee817402594fad250",
   "gen_hash_zig": "sha256:044709f8c9eabfdb6784e6b554e05d5d157e84115c5300eead5f7cc0d2705024",
   "module": "compiler-mod-structure",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:45Z",
+  "sealed_at": "2026-09-08T07:24:12Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:dee8a1c4e2ac49ff01ec4228a43bdcb4364d4e68fa2d1d439b27c2d5bac584a7",
   "spec_path": "specs/compiler/mod_structure.t27"

.trinity/seals/evaluation_IGLAMultiLangHarness.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:170329431d8641d787f00f7111c216cab0cf977f5813fe4bc2582ecca6640541",
+  "gen_hash_c": "sha256:4fab6944eeb2f7e88263b2b16794738257be4fc29a84fc43c9436321bd834b44",
   "gen_hash_rust": "sha256:a410938884d2d7da5f1167c3c55c5ed1dd417daa50baa0f80ac9a850431bb1fb",
   "gen_hash_verilog": "sha256:05a07e1e869e68974c58813656fe843c8b9411a999f00cfdac071ab2017a0735",
   "gen_hash_zig": "sha256:aaca9342300bfcc8d884259f809cbef1127d7045fb39bd30c8094f3225c8a54e",
   "module": "IGLAMultiLangHarness",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:46Z",
+  "sealed_at": "2026-09-08T07:24:12Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:da869f75b0e66b078c82ff9989a637e2e81426f78d2ede00b74df9da126c18b5",
   "spec_path": "specs/igla/evaluation/multi_lang_harness.t27"

.trinity/seals/integration_IGLAPublication.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:554c912d4752d51c9142fd5f4e3eedb5d6ec6e0cac79d81479decb5d8791e824",
+  "gen_hash_c": "sha256:9e6b1f1b24ebfb28f3b76b4fc0da39820b87cd7135f848c6bab81ac8f24bf49d",
   "gen_hash_rust": "sha256:e69bec94609406362ebcc54808f591ccff9690e88148a92ae69f6d88fdfa0cf4",
   "gen_hash_verilog": "sha256:8d1d05f3ff07323c5a47ca8e489fc3967f1a98d4df9a3d32c02fbad9ec4e7cb4",
   "gen_hash_zig": "sha256:01718ce3aa9d14a7dc33e9a97abcd24b3996595911ecef0d00829ed24a354899",
   "module": "IGLAPublication",
   "ring": 12,
-  "sealed_at": "2026-09-05T03:11:56Z",
+  "sealed_at": "2026-09-08T07:24:12Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:3e203c4b90a1ef1483c84320fe17cee7a366467c3f49dfb90d785467cc48b5a1",
   "spec_path": "specs/igla/integration/publication.t27"

.trinity/seals/lsp-schema.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:dd3538c7c7e9a6924066069a273b9e4b701fe62c2063258a795e32de897c4c2f",
+  "gen_hash_c": "sha256:a6e62ab3e6e7a6a453f6643134053350e9eebd69d81902d2a556e36983a26435",
   "gen_hash_rust": "sha256:a3a28d49b7967198b853e6790f8878c4fcbbae0fbc51614c34dca9e27089ec36",
   "gen_hash_verilog": "sha256:5b06ca806b28456c3c4f16241e53a756c97943d5fab60cad548fe2e0780d0df9",
   "gen_hash_zig": "sha256:9824374ed0c9d330a5729fb15b945d389345113c68b8ce61d14510ce270d41be",
   "module": "lsp-schema",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:46Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "spec_hash": "sha256:4c4543a14768e2353cf1981460c90b96fa26a9c05e049b5d504e07a9e244a0d4",
   "spec_path": "specs/lsp/schema.t27"
 }

.trinity/seals/lsp_lsp-schema.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:dd3538c7c7e9a6924066069a273b9e4b701fe62c2063258a795e32de897c4c2f",
+  "gen_hash_c": "sha256:a6e62ab3e6e7a6a453f6643134053350e9eebd69d81902d2a556e36983a26435",
   "gen_hash_rust": "sha256:a3a28d49b7967198b853e6790f8878c4fcbbae0fbc51614c34dca9e27089ec36",
   "gen_hash_verilog": "sha256:5b06ca806b28456c3c4f16241e53a756c97943d5fab60cad548fe2e0780d0df9",
   "gen_hash_zig": "sha256:9824374ed0c9d330a5729fb15b945d389345113c68b8ce61d14510ce270d41be",
   "module": "lsp-schema",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:46Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:4c4543a14768e2353cf1981460c90b96fa26a9c05e049b5d504e07a9e244a0d4",
   "spec_path": "specs/lsp/schema.t27"

.trinity/seals/nn_SacredAttention.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:3851ee7227a9ca38ee2f2d1d5061db2560f809effd509a9032d2d521202bcb4a",
+  "gen_hash_c": "sha256:7addff61a5aa8bfbb4c7849dc107d9e1387d29936bfc5fe756181ca3876cb147",
   "gen_hash_rust": "sha256:0a4064c4d5ae45dda501198128042849e7b9f0b1b598012ddf8ff34367df1b72",
   "gen_hash_verilog": "sha256:495b48a5c98b7c1fccab460f017fcc48da428a1789ba23eaa7691edc1d0d9e13",
   "gen_hash_zig": "sha256:187bc0b9346fcc3d35ae53a9bad1be0fab2cfe59ddedbf8f61fe4a2856f4cd36",
   "module": "SacredAttention",
   "ring": 12,
-  "sealed_at": "2026-09-08T04:37:30Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:be83d2a916a15957502d6afa4d6eff7ab07d0373e81555704ee842500db47187",
   "spec_path": "specs/nn/attention.t27"

.trinity/seals/optimizer_AdamW.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:908d7c055474530a0a1190a6bdd8ac715d72cb7d5eaedf9d6dcd85f3ab673c77",
+  "gen_hash_c": "sha256:69f5af10816f1fc51f184d3e6ac47110ed0a06723335f7b8f7e11c0d7bc357f7",
   "gen_hash_rust": "sha256:20969877473efdd38111fb8dba59cd02c5f11dfcdec7bccca52357d51e6474f5",
   "gen_hash_verilog": "sha256:b4c627e61a5f93624f5901ceb1386f761e68bb8ad1756fd90be8c727871f667c",
   "gen_hash_zig": "sha256:eaaca634bf317cb126fa1f126fa9c5171c9951cb2831d4a8a0cde5496c7c1a41",
   "module": "AdamW",
   "ring": 12,
-  "sealed_at": "2026-09-08T04:58:00Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:a5dbcb7030b094474aaaa271acb30a8e360843416a8ce98070bfee8cc66ae80b",
   "spec_path": "specs/ml/optimizer/adamw.t27"

.trinity/seals/race_igla-race-formal.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:8616968af7c1b36a38bcde30478bb01c5209e38f79e039e91b0068dcfd809bab",
+  "gen_hash_c": "sha256:eb76141736f3e2dce28dea0e77b51a6f3cc64e7a247fe851af410f372e97eb99",
   "gen_hash_rust": "sha256:ea1f827ca19b22e3ca6891373616fe8e8616163b808484761516afd86a411bc3",
   "gen_hash_verilog": "sha256:7421eb4c0f42655307219fd1582d1040ef59aecbac9bce503cb7f35530f936ff",
   "gen_hash_zig": "sha256:15bef725b0b0ba4f612e3ca8682df6566609c308a37f8718ec95f458a6b713c7",
   "module": "igla-race-formal",
   "ring": 12,
-  "sealed_at": "2026-09-08T03:43:40Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:948f99458634d60de75826a7ad8e6d85543f9f017c1a6dc77b6580f29699bf01",
   "spec_path": "specs/igla/race/formal.t27"

.trinity/seals/training_IGLALowBitTernary.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:146d06ce7921eef29a1278a02f483f34259e8cba799f1e0f54ad23ef1c3ff14e",
+  "gen_hash_c": "sha256:287cd4021467984c9d9936696e7d08918bbe35c00fca9a0a742f3cc1b1187d94",
   "gen_hash_rust": "sha256:8e2643482c80b8190c87f45cc4a6d5b7e945bce6f9c8be5d0a6e241ae0990d5d",
   "gen_hash_verilog": "sha256:885ab9f2b35be89e8aa9d9575689d6a9f2cc03794014fe6dbb7bf0856f2e4eca",
   "gen_hash_zig": "sha256:5c5f2160dba70aac05ed6d4e98d6853190f4dd1f4577475bd43eefa1a8536136",
   "module": "IGLALowBitTernary",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:46Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:71a93868a8177593f4fdae670dce0714895a9ecaadd2d4a09e2c7d84c415e962",
   "spec_path": "specs/igla/training/low_bit_ternary.t27"

.trinity/seals/training_IGLAPilotPretraining.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:c67c1bba9311c6b1cdd0bd754445ec94b56be8eef627b43e70820f5f818954a7",
+  "gen_hash_c": "sha256:b0bef9bd9b1bb51c169c7041f44c5b708d609bb65d1da642543b342f67999138",
   "gen_hash_rust": "sha256:988e54a0943565f28afaeac61b318999562ac9aedee7550e340c2d7e8df348e9",
   "gen_hash_verilog": "sha256:6d027364eb4753d19fa5fb954ec59de60545617ca1f9818e3176a76148d25676",
   "gen_hash_zig": "sha256:88b87f51e2349618c9ef1da8b065aeb82aa4eb849b20be9b947687393a764609",
   "module": "IGLAPilotPretraining",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:46Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:051e8c6f568d660831950ec89c3148aa9219001db41877d1606d6ad5c019c53f",
   "spec_path": "specs/igla/training/pilot_pretraining.t27"

.trinity/seals/training_IGLARoadmap.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:b681a06bea06c995216a3041b31ca54f34d10e613d11f56395266a4789423895",
+  "gen_hash_c": "sha256:e3daa498008ab5441dd5fa577b96f7673166f9f405b6997ad9b1ed8ac8d75d83",
   "gen_hash_rust": "sha256:12b856fe357b8670b658d7ae8b7333eb7cdb8fc2d4604400489c31a7c1c186cd",
   "gen_hash_verilog": "sha256:6e8051c39d737dfbfef1e9257bb254dd424b9ae25e47a5639cc88895363f6101",
   "gen_hash_zig": "sha256:36a5d011cc761b9d1e3b8e3e34cdc0140621734ae9c983e90bf6cd371978c47e",
   "module": "IGLARoadmap",
   "ring": 12,
-  "sealed_at": "2026-09-05T03:11:57Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:54d9c2d81be0a306a311a4e50ec767e81459c14f482a243a10e873a7654fa3ff",
   "spec_path": "specs/igla/training/roadmap.t27"

.trinity/seals/training_IGLAScaleUp.json

@@ -1,11 +1,11 @@
 {
-  "gen_hash_c": "sha256:3fc8bdd3040949cce686296c538f17fb083c75b689d655ade4a9c4c28b1074d9",
+  "gen_hash_c": "sha256:f93ae34043dc025076ae04c0d2bbae3c509f2d459751ae8c160f6b55d4732887",
   "gen_hash_rust": "sha256:c8ffec2ab768d10dfd697085f044c90e7fc5b3ed23e1988de527d21fefbefc65",
   "gen_hash_verilog": "sha256:3fa17e7c17262a55897c756ca2b418d3cc12fcad0e433716f29f4c214c3bb49f",
   "gen_hash_zig": "sha256:6cb78dbbf352d759eb2a4a99ebac65477546c65685236558a133e5aa0089d269",
   "module": "IGLAScaleUp",
   "ring": 12,
-  "sealed_at": "2026-09-08T00:32:46Z",
+  "sealed_at": "2026-09-08T07:24:13Z",
   "sealed_by": "t27c-bootstrap@0.2.0",
   "spec_hash": "sha256:eef7ff2a5ea1d0b9a6071f460170f8b0f9091199a6973402056f9af579e08c5c",
   "spec_path": "specs/igla/training/scale_up.t27"

bootstrap/src/compiler.rs

@@ -18114,6 +18114,10 @@ pub struct CCodegen {
     /// type of its own; its consumer's parameter is declared, so the type is
     /// recoverable from the use. Zig has done this since W585.
     fn_param_types: std::collections::HashMap<String, Vec<String>>,
+    /// Enums this module declares. `Trit.pos` is an ENUM MEMBER, and C has no
+    /// `Type.member`: the constant is named `TRIT_POS`. Without this set the
+    /// dotted form went into C verbatim.
+    c_enum_names: std::collections::HashSet<String>,
     /// Scaffold binding name -> the C type recovered for it.
     scaffold_locals_c: std::collections::HashMap<String, String>,
     /// t27 tuple return type of the function currently being emitted, so an
@@ -18140,6 +18144,7 @@ impl CCodegen {
             module_name: String::new(),
             fn_return_types: std::collections::HashMap::new(),
             fn_param_types: std::collections::HashMap::new(),
+            c_enum_names: std::collections::HashSet::new(),
             scaffold_locals_c: std::collections::HashMap::new(),
             current_ret_tuple_type: None,
             current_ret_array_type: None,
@@ -18681,6 +18686,13 @@ impl CCodegen {
         }
 
         // Section: Enums
+        // Recorded whether or not any enum is emitted here, because the
+        // dotted member form has to be recognised wherever it appears.
+        for e in &enums {
+            if !e.name.is_empty() {
+                self.c_enum_names.insert(e.name.clone());
+            }
+        }
         if !enums.is_empty() {
             self.write_line("/* -------------------------------------------------------");
             self.write_line("   Enums");
@@ -21008,6 +21020,28 @@ impl CCodegen {
                 }
             }
             NodeKind::ExprFieldAccess => {
+                // An ENUM MEMBER, not a field. `Trit.pos` went into C verbatim
+                // and C has no `Type.member`: 1373 errors across 12 files,
+                // reported as `unexpected type name 'Trit'` and as undeclared
+                // `POS`/`NEG`. The constant `gen_c_enum` emits is
+                // `{TYPE}_{MEMBER}`, both upper-cased, so the two spellings are
+                // brought together here rather than a third one invented.
+                //
+                // Rust emits `Trit::pos` and Zig `Trit.pos`, both correct for
+                // their language; C was the only backend without an answer.
+                if let Some(base) = node.children.first() {
+                    if base.kind == NodeKind::ExprIdentifier
+                        && self.c_enum_names.contains(&base.name)
+                        && !node.name.is_empty()
+                    {
+                        self.write(&format!(
+                            "{}_{}",
+                            base.name.to_uppercase(),
+                            node.name.to_uppercase()
+                        ));
+                        return;
+                    }
+                }
                 if !node.children.is_empty() {
                     self.gen_c_expr(&node.children[0]);
                 }

bootstrap/stage0/FROZEN_HASH

@@ -1 +1 @@
-ef36d26b7f0e62f10358dbd6ec06624ae41af0bdfeee560a5c2038df43a8b7dc bootstrap/src/compiler.rs
+c109ae58ae200cbd7f62636fb9d9128fb8c824f71fc0d943eb6ea043b58078ad bootstrap/src/compiler.rs