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2020-12-06 r/1991 feat(tazjin/rlox): Synchronise parser state after errorsVincent Ambo3-10/+67
This lets the parser collect multiple errors instead of returning after the first one, with some optimistic synchronisation after encountering something that looks wonky. Change-Id: Ie9d0ce8de9dcc7a3d1e7aa2abe15f74cab0ab96b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2236 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-06 r/1990 feat(tazjin/rlox): Wire up parser to the REPLVincent Ambo2-7/+21
Change-Id: I940448c63ce105d53a0f281b6320ffb01378f207 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2235 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-06 r/1989 feat(tazjin/rlox): Implement parsing of parenthesised expressionsVincent Ambo2-1/+16
Change-Id: I0e6bd71fd787b719104ef93fc52df4090dc415b9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2234 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-06 r/1988 refactor(tazjin/rlox): Add error plumbing in parser functionsVincent Ambo1-29/+21
Change-Id: I7ae3d721f76d8d69043f5ed077abbc70a18cbd92 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2233 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-06 r/1987 feat(tazjin/rlox): Implement parsing up to unary expressionsVincent Ambo2-15/+109
... with the exception of parenthesised expressions, because error threading is not implemented yet. Change-Id: I8d455d85e647548d5b71cbfd3d078f4970dab7fb Reviewed-on: https://cl.tvl.fyi/c/depot/+/2232 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-30 r/1966 feat(tazjin/rlox): Bootstrap recursive-descent parser for LoxVincent Ambo3-5/+107
... mostly some AST boilerplate and a first top-level rule, plus boilerplate similar to that set up in the Scanner. Change-Id: I605d1de23c47a3b3702ab4f62cd3371bc3988c7d Reviewed-on: https://cl.tvl.fyi/c/depot/+/2194 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-28 r/1956 refactor(tazjin/rlox): Thread through scanner errorsVincent Ambo3-9/+29
... and show them to users, very crudely. Change-Id: If4491b14db1124313f6ab7e5fbfdce9fea501d11 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2193 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-28 r/1955 feat(tazjin/rlox): Scan identifiers and keywordsVincent Ambo1-6/+41
Change-Id: Ifec627605c23c25f199d47eaa91e441ed9590208 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2192 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-28 r/1954 feat(tazjin/rlox): Implement number scanningVincent Ambo1-2/+36
Change-Id: Ide0126d1c2274d56903092816ff9cd531c03f513 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2191 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-28 r/1953 feat(tazjin/rlox): Implement string scanningVincent Ambo2-6/+36
Note that Lox does not support escapes, and I don't care about that. Change-Id: Ie848cbc1164c4b005b15e29aad8fe723aaa68d1b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2190 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-28 r/1952 fix(tazjin/rlox): Clear previous line in REPL modeVincent Ambo2-2/+4
Change-Id: I8acc5b0d07b2c656f9bba76a6ddac6b9088ea563 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2189 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-28 r/1951 feat(tazjin/rlox): Handle whitespace in scannerVincent Ambo1-0/+6
Change-Id: Iead3efa6aa797af5c5b57c67226205bf7e39e647 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2188 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-28 r/1950 feat(tazjin/rlox): Scan single-line commentsVincent Ambo1-2/+29
Change-Id: I2efafdb1374ac2863a1f8d8a9310123a7dec0900 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2187 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-27 r/1927 chore(tazjin/rlox): Wire scanner to interpreter to reduce warningsVincent Ambo2-1/+18
... they're just noisy at the moment. This isn't complete because it doesn't thread through scanner errors. Change-Id: I0f75d2b20fa3f57be1af5d1d8aa8059856855825 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2162 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-27 r/1926 feat(tazjin/rlox): Implement multi-character scanningVincent Ambo1-0/+16
Change-Id: Ic5a246a7f5834477aeb97824fa30ba74a8422bc1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2161 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-27 r/1925 refactor(tazjin/rlox): Use &[char] instead of &str in scannerVincent Ambo1-7/+3
This makes it easier to work with the Unicode issue. The original string representation can be discarded. Change-Id: I740be4cb9654679ea7950f3899c5c709b1e7a739 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2160 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-23 r/1914 feat(tazjin/rlox): Implement single-character scanningVincent Ambo3-0/+139
... still not that interesting, but at this point slightly divergent from the book: The book embraces mutability for interpreter state, initially for tracking whether an error condition has occured. I avoid this by instead defining an error type and collecting the error values, to be handled later on. Notes: So far nothing special, but this is just the beginning of the book. I like the style it is written in and it has pointed to some interesting resources, such as a 1965 paper titled "The Next 700 Languages". Change-Id: I030b38438fec9eb55372bf547af225138908230a Reviewed-on: https://cl.tvl.fyi/c/depot/+/2144 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-23 r/1913 feat(tazjin/rlox): Add basic program structureVincent Ambo3-10/+36
... as well as a Nix derivation, because why not. Change-Id: Iaf2591ab72676fe0732c3f807b3aa0cff13fb4ef Reviewed-on: https://cl.tvl.fyi/c/depot/+/2143 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-23 r/1912 feat(tazjin/rlox): Bootstrap programVincent Ambo5-0/+48
This is going to be the first of two interpreters from "Crafting Interpreters". Change-Id: I354ddd2357444648d0245f35d92176dd176525d8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2142 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-14T21·21+0000