[threads] Parse, build, and print shared composite types #6654
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Parse the text format for shared composite types as described in the shared-everything thread proposal. Update the parser to use 'comptype' instead of 'strtype' to match the final GC spec and add the new syntactic class 'sharecomptype'. Update the type canonicalization logic to take sharedness into account to avoid merging shared and unshared types. Make the same change in the TypeMerging pass. Ensure that shared and unshared types cannot be in a subtype relationship with each other. Follow-up PRs will add shared abstract heap types, binary parsing and emitting for shared types, and fuzzer support for shared types.
kripken
approved these changes
Jun 12, 2024
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Yes, other options include |
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Hmm, SET took me a while to get, so maybe one of those others. Or |
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I'll go with |
tlively
changed the title
Closed
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Parse the text format for shared composite types as described in the shared-everything thread proposal. Update the parser to use 'comptype' instead of 'strtype' to match the final GC spec and add the new syntactic class 'sharecomptype'.
Update the type canonicalization logic to take sharedness into account to avoid merging shared and unshared types. Make the same change in the TypeMerging pass. Ensure that shared and unshared types cannot be in a subtype relationship with each other.
Follow-up PRs will add shared abstract heap types, binary parsing and emitting for shared types, and fuzzer support for shared types.