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author | Vincent Ambo <mail@tazj.in> | 2021-03-02T20·26+0200 |
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committer | tazjin <mail@tazj.in> | 2021-03-03T10·51+0000 |
commit | ed3fce2b19fa0d28054382093b019967a9a16177 (patch) | |
tree | 102ade5adc95667ebedaa56e20cee387c2ff524b /web | |
parent | 2cd77ea26d76b20ff820f1ebe5e77f1360f5d1f5 (diff) |
feat(tazjin/rlox): Implement expression statements r/2265
These aren't particularly useful without side effects, but one step at a time. This diverges slightly from the book, in that OpPop retains the last value it "forgot" from the stack in a special field on the interpreter. This makes it possible to return values from expression statements, which helps in cases where Lox is embedded as a scripting language (please don't do this ever) or in tests. Change-Id: Ided0bc04c6e80ddb23ba4693d61ac9e08b002d58 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2584 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
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