serde-generate / solidity: allow non-contiguous enum variant indices#98

Merged

ma2bd merged 8 commits into

zefchain:mainfrom

ma2bd:fix_solidity_enums

May 26, 2026

Commits on May 17, 2026

solidity: encode enum variant indices as ULEB128 using their original Serde index, with precomputed hex discriminants.
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solidity: rename bcs_*_len helpers to bcs_*_uleb128 since they also encode variant indices, not just length prefixes.
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solidity: fix trailing-comma bug in complex-Enum codegen when no variant carries a payload (sparse all-Unit or >256-variant all-Unit enums), with a regression test.
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solidity: cache Enum's is_contiguous on the format and use std::fmt::Write in hex_literal to avoid per-byte allocation.
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solidity: cargo fmt the new enum tests.
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solidity: cover the SimpleEnum path with >=128 variants in a round-trip test, exercising the multi-byte ULEB128 indices the old single-byte codec silently mishandled.
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solidity: replace SimpleEnum's linear if-chain deserializer with a direct integer-to-enum cast (guarded by a range check to defeat uint8 truncation), shrinking bytecode from O(N) branches to a cons…
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solidity: assert that container names start with an ASCII uppercase letter, guaranteeing user-supplied names cannot collide with generated lowercase prefixes (offset_, seq_, opt_, ...) in function …
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