dev/multi-frontend-serializable-ir #18

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bquarkz merged 7 commits from dev/multi-frontend-serializable-ir into master 2026-07-15 12:47:13 +00:00
4 changed files with 37 additions and 3 deletions
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@ -6,7 +6,7 @@
{"type":"discussion","id":"DSC-0061","status":"open","ticket":"multi-frontend-sdk-canonical-definition","title":"Auditoria e centralizacao gradual da definicao canonica do SDK","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","sdk","stdlib","hostcalls","intrinsics","multi-frontend"],"agendas":[{"id":"AGD-0064","file":"AGD-0064-multi-frontend-sdk-canonical-definition.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15"}],"decisions":[],"plans":[],"lessons":[]}
{"type":"discussion","id":"DSC-0060","status":"open","ticket":"multi-frontend-validation-boundaries","title":"Separar validacoes de linguagem e validacoes de plataforma","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","compiler-pbs","backend","validation","multi-frontend"],"agendas":[{"id":"AGD-0063","file":"AGD-0063-multi-frontend-validation-boundaries.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15"}],"decisions":[],"plans":[],"lessons":[]}
{"type":"discussion","id":"DSC-0059","status":"open","ticket":"multi-frontend-common-lifecycle","title":"Extrair lifecycle comum das responsabilidades do frontend PBS","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","compiler-pbs","lifecycle","backend","multi-frontend"],"agendas":[{"id":"AGD-0062","file":"AGD-0062-multi-frontend-common-lifecycle.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15"}],"decisions":[],"plans":[],"lessons":[]}
{"type":"discussion","id":"DSC-0058","status":"in_progress","ticket":"multi-frontend-serializable-ir","title":"Manter a IR comum serializavel por design","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","ir","backend","serialization","multi-frontend"],"agendas":[{"id":"AGD-0061","file":"AGD-0061-multi-frontend-serializable-ir.md","status":"accepted","created_at":"2026-07-15","updated_at":"2026-07-15"}],"decisions":[{"id":"DEC-0044","file":"DEC-0044-serializable-common-ir-boundary.md","status":"accepted","created_at":"2026-07-15","updated_at":"2026-07-15","ref_agenda":"AGD-0061"}],"plans":[{"id":"PLN-0119","file":"PLN-0119-document-irbackend-serializability-invariants.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0120","file":"PLN-0120-audit-public-irbackend-contract-shape.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0121","file":"PLN-0121-add-serializable-irbackend-reflection-guardrails.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0122","file":"PLN-0122-prove-deterministic-irbackend-ordering.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0123","file":"PLN-0123-fix-concrete-irbackend-serialization-leaks.md","status":"open","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]}],"lessons":[]}
{"type":"discussion","id":"DSC-0058","status":"in_progress","ticket":"multi-frontend-serializable-ir","title":"Manter a IR comum serializavel por design","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","ir","backend","serialization","multi-frontend"],"agendas":[{"id":"AGD-0061","file":"AGD-0061-multi-frontend-serializable-ir.md","status":"accepted","created_at":"2026-07-15","updated_at":"2026-07-15"}],"decisions":[{"id":"DEC-0044","file":"DEC-0044-serializable-common-ir-boundary.md","status":"accepted","created_at":"2026-07-15","updated_at":"2026-07-15","ref_agenda":"AGD-0061"}],"plans":[{"id":"PLN-0119","file":"PLN-0119-document-irbackend-serializability-invariants.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0120","file":"PLN-0120-audit-public-irbackend-contract-shape.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0121","file":"PLN-0121-add-serializable-irbackend-reflection-guardrails.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0122","file":"PLN-0122-prove-deterministic-irbackend-ordering.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]},{"id":"PLN-0123","file":"PLN-0123-fix-concrete-irbackend-serialization-leaks.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15","ref_decisions":["DEC-0044"]}],"lessons":[]}
{"type":"discussion","id":"DSC-0057","status":"done","ticket":"multi-frontend-frontend-backend-contract","title":"Estabilizar contrato entre frontend e backend comum","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","compiler-pbs","ir","backend","multi-frontend"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0059","file":"discussion/lessons/DSC-0057-multi-frontend-frontend-backend-contract/LSN-0059-common-irbackend-handoff-and-backend-guardrails.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15"}]}
{"type":"discussion","id":"DSC-0056","status":"done","ticket":"multi-frontend-remove-pbs-branches","title":"Generalizar o contrato LSP/editorial para frontends","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","compiler-pbs","studio","frontend","coupling","multi-frontend"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0058","file":"discussion/lessons/DSC-0056-multi-frontend-remove-pbs-branches/LSN-0058-generic-frontend-editorial-contract-for-lsp.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15"}]}
{"type":"discussion","id":"DSC-0055","status":"done","ticket":"multi-frontend-compiler-vs-language-services","title":"Separar compilacao de servicos editoriais de frontend","created_at":"2026-07-15","updated_at":"2026-07-15","tags":["compiler","compiler-general","studio","lsp","editor","frontend","multi-frontend"],"agendas":[],"decisions":[],"plans":[],"lessons":[{"id":"LSN-0056","file":"discussion/lessons/DSC-0055-multi-frontend-compiler-vs-language-services/LSN-0056-compile-first-frontends-with-optional-editorial-capabilities.md","status":"done","created_at":"2026-07-15","updated_at":"2026-07-15"}]}

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@ -2,7 +2,7 @@
id: PLN-0123
ticket: multi-frontend-serializable-ir
title: Fix concrete IRBackend serialization leaks
status: open
status: done
created: 2026-07-15
ref_decisions: [DEC-0044]
tags: [compiler, compiler-general, ir, backend, serialization, multi-frontend]

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@ -45,7 +45,7 @@ to concrete positive/negative test evidence and current status.
| G20-4.1.3 | Public `IRBackend` contract MUST NOT expose PBS AST, token, parser, semantic, or editorial types. | `IRBackendExecutableContractTest#publicIRBackendContractMustNotExposePbsTypes` | N/A | pass | Reflection guard covers public contract fields, constructors, methods, and record components. |
| G20-4.2.1 | Public `IRBackend` contract types MUST remain modelable as an acyclic, deterministic data graph. | `IRBackendExecutableContractTest#publicIRBackendContractMustExposeOnlySerializableShapes`; `IRBackendExecutableContractTest#aggregatorMustEmitDeterministicOrderedPublicContractShape` | N/A | pass | Covers public shape guardrails, generic type arguments, ordered aggregate emission, table remapping, and capability de-duplication order. |
| G20-4.2.2 | Public `IRBackend` contract types MUST NOT expose callbacks, services, mutable/unordered collection contracts, frontend-owned objects, process-dependent lazy values, cyclic public references, or wire-format commitments. | `IRBackendExecutableContractTest#publicIRBackendContractMustExposeOnlySerializableShapes` | N/A | pass | Reflection guard covers public contract fields, constructors, methods, record components, and generic type arguments. |
| G20-4.2.3 | Public `IRBackend` cross-object references MUST use explicit ids or stable symbolic keys. | Planned: public contract audit from `PLN-0120`; targeted leak fixes from `PLN-0123` when needed | N/A | missing | Existing `FileId`, `ModuleId`, `CallableId`, and `IntrinsicId` are expected allowed values when table scope is deterministic. |
| G20-4.2.3 | Public `IRBackend` cross-object references MUST use explicit ids or stable symbolic keys. | `IRBackendExecutableContractTest#publicIRBackendContractAuditMustClassifyAllowedSupportTypes`; `IRBackendExecutableContractTest#publicIRBackendContractMustUseExplicitIdsOrStableKeysForKnownReferences` | N/A | pass | Current audit found no concrete public serialization leak requiring model correction. Existing `FileId`, `ModuleId`, `CallableId`, and `IntrinsicId` remain explicit table-scoped identifiers. |
| G20-6.2 | `IRVM_EXT` MUST declare structural metadata (`pops/pushes/is_branch/is_terminator`). | `IRVMValidatorTest#validateMustApplyStructuralMetadataForCustomInternalExtension`; `IRVMValidatorTest#validateMustRejectCustomInternalExtensionWhenStructuralMetadataUnderflowsStack`; `IRVMOp` record contract (`pops/pushes/branch/terminator/internal`) | N/A | pass | Dedicated extension fixtures now assert structural metadata is consumed by validation behavior. |
| G20-6.3 | `IRVM_EXT` MUST be eliminable before bytecode emission. | `OptimizeIRVMServiceTest#optimizeDefaultPassesMustEliminateUnreachableInternalExtensionBeforeEmission` | `EmitBytecodePipelineStageTest#runMustFailWhenInternalOpcodesRemain`; `EmitBytecodePipelineStageTest#runMustFailWhenInternalOpcodesRemainEvenWithNonEmptyEmissionPlan`; `IRVMValidatorTest#validateMustRejectInternalOpcodeWhenConfigured` | pass | Optimizer elimination path and emit-stage hard rejection path are both covered. |
| G20-6.4 | IRVM MUST preserve per-function slot and identity headers. | `IRVMProgramTest#constructorMustRejectModuleAndEmissionPlanMismatch` | `IRVMProgramTest#constructorMustRejectModuleAndEmissionPlanMismatch` | pass | Header mismatch is rejected deterministically. |

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@ -120,6 +120,28 @@ class IRBackendExecutableContractTest {
"ReadOnlyList is audited as the ordered collection contract");
}
@Test
void publicIRBackendContractMustUseExplicitIdsOrStableKeysForKnownReferences() {
assertEquals(ModuleId.class, recordComponentType(IRBackendExecutableFunction.class, "moduleId"));
assertEquals(CallableId.class, recordComponentType(IRBackendExecutableFunction.class, "callableId"));
assertEquals(ModuleId.class, recordComponentType(IRBackendExecutableFunction.Instruction.class, "calleeModuleId"));
assertEquals(CallableId.class, recordComponentType(IRBackendExecutableFunction.Instruction.class, "calleeCallableId"));
assertEquals(IntrinsicId.class, recordComponentType(IRBackendExecutableFunction.IntrinsicCallMetadata.class, "intrinsicId"));
assertEquals(FileId.class, recordComponentType(IRBackendFile.class, "fileId"));
assertEquals(FileId.class, recordComponentType(IRFunction.class, "fileId"));
assertEquals(FileId.class, recordComponentType(IRGlobal.class, "fileId"));
assertEquals(ModuleId.class, recordComponentType(IRGlobal.class, "moduleId"));
assertEquals(FileId.class, recordComponentType(IRGlobalOrigin.class, "derivedFromFile"));
assertEquals(ModuleId.class, recordComponentType(IRGlobalOrigin.class, "derivedFromModule"));
assertEquals(FileId.class, recordComponentType(IRSyntheticOrigin.class, "fileId"));
assertEquals(ModuleId.class, recordComponentType(IRSyntheticFunction.class, "moduleId"));
assertEquals(String.class, recordComponentType(ModuleReference.class, "project"));
assertEquals(String.class, recordComponentType(CallableSignatureRef.class, "callableName"));
assertEquals(String.class, recordComponentType(IntrinsicReference.class, "canonicalName"));
}
@Test
void publicIRBackendContractMustNotExposePbsTypes() {
final var violations = new ArrayList<String>();
@ -838,4 +860,16 @@ class IRBackendExecutableContractTest {
|| simpleName.endsWith("Visitor")
|| simpleName.endsWith("Provider");
}
private static Class<?> recordComponentType(
final Class<?> recordType,
final String componentName) {
for (final var component : recordType.getRecordComponents()) {
if (component.getName().equals(componentName)) {
return component.getType();
}
}
fail("missing record component " + recordType.getName() + "#" + componentName);
throw new IllegalStateException("unreachable");
}
}