PureXML/Sources/Schema
Mihaela Mihaljevic 3a6aad0eb2
fix(schema): reject a redefine whose self-reference duplicates a particle (UPA) (#253)
A redefined model group whose body references itself expands, in the compiled
content model, to the original group it redefines. Two gaps let an ambiguity
created that way slip through the Unique Particle Attribution check (cos-nonambig).

The compositional determinism engine treated the self-reference as contributing
an empty decision set, so the original group's particles were invisible to the
overlap test. It now expands one level to the redefine base, exactly as the
instance content-model path does, so a particle the original contributes is seen.
The expansion only surfaces genuinely reachable items, so the decision sets stay
a subset of the true model: the check can catch a real ambiguity but never invent
one, holding the false-positive direction at zero.

Separately, the UPA check walked only the root document, so an ambiguity a root
redefine creates in a complex type that lives in an included document was never
evaluated. It now runs over every schema root in the composition under the shared
redefine-effective context, mirroring the existing cross-document top-level
declaration check.

Closes XSTS schN10 (a three-level redefine chain). XSTS invalid-schemas-accepted
11 -> 10, valid-schemas-rejected held at 0. Full suite 1609 tests green in debug
and release.
2026-06-24 00:06:23 +02:00
..
BuiltinType.swift fix(schema): compare identity-constraint fields across the decimal value space; invalid-instances-accepted 95 to 94 (#147) 2026-06-18 11:01:05 +02:00
ComplexType.swift fix(schema): attribute-wildcard union/intersection per Errata E1-10 (#251) 2026-06-23 04:56:17 +02:00
ComplexValidator.swift fix(schema): optional xs:all group requires its members when present 2026-06-22 18:29:09 +02:00
ComplexValidatorAttributes.swift fix(schema): resolve defaulted/fixed IDREF attributes against IDs 2026-06-22 18:56:36 +02:00
ComplexValidatorContentModel.swift fix(schema): optional xs:all group requires its members when present 2026-06-22 18:29:09 +02:00
ComplexValidatorDerivation.swift fix(schema): reject xsi:type=anyType on an anySimpleType-declared element 2026-06-20 02:09:51 +02:00
ComplexValidatorHelpers.swift fix(schema): streaming validator applies default/fixed value constraints 2026-06-20 17:38:45 +02:00
ComplexValidatorIDs.swift fix(schema): enforce document-scoped xs:ID uniqueness and xs:IDREF resolution 2026-06-13 19:17:34 +02:00
ComplexValidatorStreaming.swift fix(schema): optional xs:all group requires its members when present 2026-06-22 18:29:09 +02:00
ComplexValidatorXSIType.swift fix(schema): advance XSTS valid-instances-rejected to 4 (#146) 2026-06-16 22:22:05 +02:00
ContentMatcher.swift fix(schema): saturate effectively-unbounded content-model counters (#192, partial) 2026-06-21 13:16:24 +02:00
ContentModelDeterminism.swift feat(schema): compositional UPA determinism, delete positionCap 2026-06-22 22:19:44 +02:00
ContentModelDeterminismCompositional.swift fix(schema): reject a redefine whose self-reference duplicates a particle (UPA) (#253) 2026-06-24 00:06:23 +02:00
ContentModelEffectiveModel.swift fix(schema): check UPA over an extension's effective content model 2026-06-21 22:12:32 +02:00
ContentNFABuilder.swift fix(schema): count content-model occurrences 2026-06-19 23:32:04 +02:00
DateTimeParser.swift fix(schema): reject year 0000 in dateTime, date, gYearMonth, gYear 2026-06-20 01:31:14 +02:00
DateTimeValue.swift feat(schema): XSD simple-type datatype library with facets 2026-06-08 06:29:37 +02:00
DecimalValue.swift feat(schema): XSD simple-type datatype library with facets 2026-06-08 06:29:37 +02:00
DerivationMethod.swift feat(schema): XSD derivation control (abstract, block, final, redefine) 2026-06-08 14:14:23 +02:00
DurationValue.swift style(schema): drop vestigial day clamp in DurationValue.instant 2026-06-13 18:04:25 +02:00
GroupParticleMemo.swift perf(schema): memoize group expansion in the compiled content model 2026-06-22 23:24:19 +02:00
IdentityConstraint.swift fix(schema): resolve identity-constraint XPath prefixes against the schema (#147) 2026-06-17 00:03:13 +02:00
IdentityFieldType.swift fix(schema): reject identity field whose declared target is a non-simple complex type 2026-06-22 13:10:30 +02:00
IdentityFieldValue.swift fix(schema): default/fixed value for identity-constraint fields; invalid-instances-accepted 50 to 45 (#147) 2026-06-18 14:47:47 +02:00
IdentityValidator.swift fix(schema): reject identity field whose declared target is a non-simple complex type 2026-06-22 13:10:30 +02:00
IdentityValidatorDefaults.swift fix(schema): default/fixed value for identity-constraint fields; invalid-instances-accepted 50 to 45 (#147) 2026-06-18 14:47:47 +02:00
IDTracker.swift fix(schema): enforce document-scoped xs:ID uniqueness and xs:IDREF resolution 2026-06-13 19:17:34 +02:00
Lexical.swift feat(schema): XSD simple-type datatype library with facets 2026-06-08 06:29:37 +02:00
OccurrenceRange.swift fix(schema): count content-model occurrences 2026-06-19 23:32:04 +02:00
ParticleNormalization.swift fix(schema): normalize content model, scope occurrence subsumption in particle restriction 2026-06-14 17:18:38 +02:00
ParticleRestriction.swift fix(schema): attribute-wildcard union/intersection per Errata E1-10 (#251) 2026-06-23 04:56:17 +02:00
ParticleRestrictionElement.swift fix(schema): restriction may not narrow an element to an extension-derived type 2026-06-20 18:34:50 +02:00
ParticleRestrictionHelpers.swift fix(schema): eliminate the last false positive (particlesZ001); false-positives = 0 (#148) 2026-06-17 19:56:57 +02:00
Primitive.swift fix(schema): validate notation declarations and enumeration restrictions 2026-06-15 22:27:04 +02:00
RelaxNGCompactHelpers.swift feat(relaxng): fold RNC ~ string concatenation 2026-06-08 17:38:58 +02:00
RelaxNGCompactLexer.swift feat(relaxng): add compact syntax (RNC) and include/externalRef 2026-06-08 09:13:09 +02:00
RelaxNGCompactParser.swift feat(relaxng): skip RNC >> follow-annotations, completing #79 2026-06-09 03:20:47 +02:00
RelaxNGContentType.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGDerivative.swift feat(relaxng): QName values with dual-context resolution, instance level clean 2026-06-10 10:57:14 +02:00
RelaxNGDiagnostics.swift feat(relaxng): distinguish undeclared attribute from invalid value 2026-06-09 01:11:54 +02:00
RelaxNGFacets.swift fix(schema): advance XSTS valid-instances-rejected to 4 (#146) 2026-06-16 22:22:05 +02:00
RelaxNGGrammarCheck.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGGrammarCheckSections.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGNameClasses.swift feat(relaxng): ns inheritance, QNames, include-start, combine, data-except 2026-06-10 10:24:46 +02:00
RelaxNGNode.swift feat(relaxng): grammar scoping, parentRef, include overrides, div flattening 2026-06-10 10:34:44 +02:00
RelaxNGParser.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGParserIncludes.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGPattern.swift feat(relaxng): QName values with dual-context resolution, instance level clean 2026-06-10 10:57:14 +02:00
RelaxNGRestrictionChecker.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGRestrictionOverlap.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGRestrictionPaths.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGRestrictions.swift feat(relaxng): schema-correctness validation, spec suite complete 2026-06-10 11:38:45 +02:00
RelaxNGSchema.swift feat(validation,schema): composable validation framework and cross-document composition 2026-06-16 09:57:43 +02:00
SchemaAllGroupPlacement.swift feat(schema): locate derivation/cycle-pass schema diagnostics 2026-06-21 16:53:02 +02:00
SchemaAttributeApplicability.swift feat(schema): locate structure-pass schema diagnostics 2026-06-21 15:23:13 +02:00
SchemaAttributeRestriction.swift feat(schema): locate attribute-pass schema diagnostics 2026-06-21 16:28:10 +02:00
SchemaAttributeUniqueness.swift fix(schema): flatten redefine self-reference and exclude prohibited uses in attribute uniqueness 2026-06-22 03:52:13 +02:00
SchemaCompileValidation.swift fix(schema): reject a redefine whose self-reference duplicates a particle (UPA) (#253) 2026-06-24 00:06:23 +02:00
SchemaCompositionValidations.swift feat(schema): locate composition/redefine-pass schema diagnostics 2026-06-21 19:41:31 +02:00
SchemaContentDerivation.swift fix(schema): a complexContent restriction cannot restrict simple content 2026-06-22 19:40:57 +02:00
SchemaContentOrder.swift fix(schema): require a content derivation in simpleContent/complexContent (#145) 2026-06-17 14:58:58 +02:00
SchemaDerivationControl.swift feat(schema): key the instance derivation/substitution backbone by namespaced identity; re-land blockDefault; invalid-instances-accepted 89 to 81 (#186, #147) 2026-06-18 12:41:18 +02:00
SchemaDocument.swift fix(schema): default/fixed value for identity-constraint fields; invalid-instances-accepted 50 to 45 (#147) 2026-06-18 14:47:47 +02:00
SchemaDocumentHints.swift fix(schema): default/fixed value for identity-constraint fields; invalid-instances-accepted 50 to 45 (#147) 2026-06-18 14:47:47 +02:00
SchemaElementDeclarationsConsistent.swift refactor(schema): split Element-Declarations-Consistent out of SchemaStructure 2026-06-22 15:30:58 +02:00
SchemaExtensionAllGroup.swift feat(schema): locate extension/substitution-pass schema diagnostics 2026-06-21 18:35:38 +02:00
SchemaFacetApplicability.swift feat(schema): locate structure-pass schema diagnostics 2026-06-21 15:23:13 +02:00
SchemaIDAttribute.swift feat(schema): locate compile diagnostics with validation coding paths (#169) 2026-06-16 10:26:11 +02:00
SchemaIdentityXPath.swift fix(schema): an identity-constraint xpath may not use an undeclared prefix; invalid-schemas-accepted 77 to 75 (#145) 2026-06-18 01:01:12 +02:00
SchemaIDValueConstraint.swift feat(schema): locate ID-typed value-constraint errors 2026-06-21 14:37:29 +02:00
SchemaImportNamespace.swift feat(schema): locate reference-resolution schema diagnostics 2026-06-21 18:09:20 +02:00
SchemaNameUniqueness.swift feat(schema): locate names/UPA/notation-pass schema diagnostics 2026-06-21 19:16:54 +02:00
SchemaNestedDefinition.swift feat(schema): locate structure-pass schema diagnostics 2026-06-21 15:23:13 +02:00
SchemaNotationValidity.swift feat(schema): locate names/UPA/notation-pass schema diagnostics 2026-06-21 19:16:54 +02:00
SchemaRedefineAttributeGroupRestriction.swift refactor(schema): split redefine attribute-group restriction into its own file 2026-06-22 15:07:53 +02:00
SchemaRedefineSelfReference.swift refactor(schema): split redefine attribute-group restriction into its own file 2026-06-22 15:07:53 +02:00
SchemaReferenceForeignPools.swift feat(validation,schema): composable validation framework and cross-document composition 2026-06-16 09:57:43 +02:00
SchemaReferenceResolution.swift fix(schema): an unprefixed type ref to a target-namespace type is undeclared 2026-06-21 23:17:14 +02:00
SchemaReferences.swift feat(schema): locate reference-resolution schema diagnostics 2026-06-21 18:09:20 +02:00
SchemaSimpleTypeFinal.swift feat(schema): locate simple-type-pass schema diagnostics 2026-06-21 15:55:59 +02:00
SchemaSimpleTypeValidity.swift feat(schema): locate simple-type-pass schema diagnostics 2026-06-21 15:55:59 +02:00
SchemaStructure.swift refactor(schema): split Element-Declarations-Consistent out of SchemaStructure 2026-06-22 15:30:58 +02:00
SchemaStructureHelpers.swift feat(schema): locate structure-pass schema diagnostics 2026-06-21 15:23:13 +02:00
SchemaSubstitutionType.swift feat(schema): locate extension/substitution-pass schema diagnostics 2026-06-21 18:35:38 +02:00
SchemaUndeclaredNamespace.swift feat(schema): locate reference-resolution schema diagnostics 2026-06-21 18:09:20 +02:00
SchemaWildcardExpressibility.swift fix(schema): attribute-wildcard union/intersection per Errata E1-10 (#251) 2026-06-23 04:56:17 +02:00
SchemaWildcardNamespace.swift feat(schema): validate wildcard namespace constraint value space 2026-06-14 11:00:45 +02:00
SchemaXSIAttribute.swift feat(schema): locate attribute-pass schema diagnostics 2026-06-21 16:28:10 +02:00
SimpleType.swift fix(schema): advance XSTS valid-instances-rejected to 4 (#146) 2026-06-16 22:22:05 +02:00
StreamingXSDValidator.swift fix(schema): streaming validator applies default/fixed value constraints 2026-06-20 17:38:45 +02:00
TypeDerivation.swift feat(schema): XSD derivation control (abstract, block, final, redefine) 2026-06-08 14:14:23 +02:00
XPathQueryCache.swift fix(schema): default/fixed value for identity-constraint fields; invalid-instances-accepted 50 to 45 (#147) 2026-06-18 14:47:47 +02:00
XSDAttributeParser.swift fix(schema): exclude use="prohibited" attributes from effective uses at instance time; invalid-instances-accepted 43 to 39 (#147) 2026-06-18 15:28:35 +02:00
XSDCompletions.swift fix(schema): enforce NameAndTypeOK nillable clause in particle restriction (#145) 2026-06-17 17:25:10 +02:00
XSDComplexContent.swift fix(schema): attribute-wildcard union/intersection per Errata E1-10 (#251) 2026-06-23 04:56:17 +02:00
XSDContext.swift perf(schema): memoize group expansion in the compiled content model 2026-06-22 23:24:19 +02:00
XSDDerivation.swift feat(schema): locate composition/redefine-pass schema diagnostics 2026-06-21 19:41:31 +02:00
XSDDerivationTables.swift fix(schema): apply substitution-group block to a member with an inline type 2026-06-22 06:21:23 +02:00
XSDParser.swift fix(schema): make the container-location root fallback live 2026-06-19 23:32:04 +02:00
XSDParserHelpers.swift fix(schema): default/fixed value for identity-constraint fields; invalid-instances-accepted 50 to 45 (#147) 2026-06-18 14:47:47 +02:00
XSDParserParticles.swift perf(schema): memoize group expansion in the compiled content model 2026-06-22 23:24:19 +02:00
XSDParserTypeReferences.swift fix(schema): an untyped substitutionGroup member inherits its head's type 2026-06-20 02:47:07 +02:00
XSDParserUnion.swift docs: align stale figures with code and the enforced XSTS gate 2026-06-19 23:32:04 +02:00
XSDSchemaValidations.swift feat(validation,schema): composable validation framework and cross-document composition 2026-06-16 09:57:43 +02:00
XSDSimpleContentParser.swift Reject invalid simpleContent inline restrictions 2026-06-18 22:01:01 +02:00
XSDSimpleParser.swift fix(schema): reject an unknown \p{...} category or block name (#248) 2026-06-23 02:15:26 +02:00
XSDSimpleParser+Facets.swift fix(schema): advance XSTS valid-instances-rejected to 4 (#146) 2026-06-16 22:22:05 +02:00
XSDSubstitutionMembers.swift fix(schema): stop blocked substitution chaining 2026-06-19 08:37:19 +02:00
XSDValidations.swift fix(schema): default/fixed value for identity-constraint fields; invalid-instances-accepted 50 to 45 (#147) 2026-06-18 14:47:47 +02:00
XSDWildcardParser.swift fix(schema): attribute-wildcard union/intersection per Errata E1-10 (#251) 2026-06-23 04:56:17 +02:00