Add PySpec to StrataCore translation pipeline#422
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Translate PySpec signatures (Python type specifications) to StrataCore programs, enabling verification of Python APIs. Details: - ToCore.lean: translates function signatures, class definitions, and type aliases to Core procedures, opaque types, and type synonyms - PySpecM.lean: monad infrastructure for error-tracked translation - Handles primitive types, Optional unions (Union[None, T]), TypedDict, string literal enums, and generic containers (List, Dict, Any, bytes) - SourceRange.format: moved from Specs.lean for reuse across modules - Eliminated sorry in DDM.lean (args.attach.foldl with membership proof) - Removed debug #eval from CorePrelude.lean - Moved Core.getProgram from Verifier.lean to Translate.lean - Enabled #strata_gen Core in Parse.lean - Added pySpecToCore CLI command in StrataMain.lean Testing: - ToCoreTest.lean: end-to-end #guard_msgs tests covering all type mappings (primitives, complex types, literals, TypedDict, optional patterns, kwonly args), error messages for unsupported types, and class/type definition translation By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Union[None, T]→StrOrNone/IntOrNone/BoolOrNone), TypedDict →DictStrAny, class declarations → opaque types with method procedures, function signatures → abstract proceduresNew Files
Strata/Languages/Python/Specs/ToCore.lean— Main translation logicStrata/Languages/Python/Specs/PySpecM.lean— Monad infrastructure for error trackingTesting
StrataTest/Languages/Python/ToCoreTest.lean— End-to-end tests covering primitive types, complex types (Any, List, Dict, bytes), literal types, optional/union patterns, class and type definitions, keyword-only args, and error cases. All tests use#guard_msgsfor exact output matching.🤖 Generated with Claude Code
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.