Full self-hosting parity, differential testing, MIT license, flagship demo#1

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feat/self-hosting-parity

Jul 4, 2026

Commits on Jul 1, 2026

test: epc self-hosting parity scoreboard (baseline 13/54 runnable, 5/9 rejections)

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refactor: extract C runtime to runtime/ep_runtime.c; make emitted C deterministic

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refactor: extract static builtin layer to runtime/ep_builtins.c (byte-identical)

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GC: align conservative scan bases down to 8 bytes (UB on strict platforms)

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feat(self-host): epc embeds the modern shared C runtime (generational GC)

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feat(self-host): f-string interpolation + builtin return-type registry (parity 15->24/54)

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fix(self-host): '_' locals, builtin-shadowing skip, sqlite/crypto link flags (parity 24->26/54)

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feat(self-host): closures + higher-order functions (parity 26->31/54)

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fix(self-host): 'equals' on unknown-typed operands compiled to pointer compare (parity 31->32/54)

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fix(self-host): purge non-runtime names from builtin registry; hardened fixpoint gate

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feat(self-host): English keyword aliases + keyword-as-identifier leniency

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feat(self-host): import "x" as alias (parity 32->33/54)

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feat(self-host): bare enum-variant identifiers construct the variant (parity 33->34/54)

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feat(self-host): boolean display (true/false) (parity 34->35/54)

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feat(bootstrap): frozen pure-C bootstrap — toolchain builds without Rust

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docs: self-hosting status, shared runtime, and pure-C bootstrap instructions

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Commits on Jul 2, 2026

Commits on Jul 3, 2026