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Extend clang lexer to support contract-keywords and gate behind -fverify-contracts - #1
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SwayamInSync wants to merge 2 commits into
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SwayamInSync
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-fverify-contracts
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Summary
Extends Clang with first-class contract syntax keywords for deductive verification, gated behind the
-fverify-contractsflag.Changes
TokenKinds.def:pre,post,invariant,decreases,ghost,spec_fn,proof_fnKEYCONTRACTflag, only active when-fverify-contractsis passed-fverify-contracts/-fno-verify-contractsdriver and CC1 flagsVerifyContractstoLangOptionsIdentifierTableto handle contract keyword registrationverify_contracts.cpp) and lexer test (verify_contracts_keywords.cpp)Design
Keywords are invisible to normal compilation — they remain plain identifiers unless
-fverify-contractsis explicitly passed. This ensures zero impact on existing C++ code.