201173afac
C++ nix uses C-style zero-terminated char pointers to represent strings internally - however, up to this point, tvix has used Rust `String` and `str` for string values. Since those are required to be valid utf-8, we haven't been able to properly represent all the string values that Nix supports. To fix that, this change converts the internal representation of the NixString struct from `Box<str>` to `BString`, from the `bstr` crate - this is a wrapper around a `Vec<u8>` with extra functions for treating that byte vector as a "morally string-like" value, which is basically exactly what we need. Since this changes a pretty fundamental assumption about a pretty core type, there are a *lot* of changes in a lot of places to make this work, but I've tried to keep the general philosophy and intent of most of the code in most places intact. Most notably, there's nothing that's been done to make the derivation stuff in //tvix/glue work with non-utf8 strings everywhere, instead opting to just convert to String/str when passing things into that - there *might* be something to be done there, but I don't know what the rules should be and I don't want to figure them out in this change. To deal with OS-native paths in a way that also works in WASM for tvixbolt, this also adds a dependency on the "os_str_bytes" crate. Fixes: b/189 Fixes: b/337 Change-Id: I5e6eb29c62f47dd91af954f5e12bfc3d186f5526 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10200 Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de> Reviewed-by: sterni <sternenseemann@systemli.org> Autosubmit: aspen <root@gws.fyi> Tested-by: BuildkiteCI
59 lines
1.6 KiB
TOML
59 lines
1.6 KiB
TOML
[package]
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name = "tvix-eval"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[lib]
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name = "tvix_eval"
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[dependencies]
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builtin-macros = { path = "./builtin-macros", package = "tvix-eval-builtin-macros" }
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bytes = "1.4.0"
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bstr = { version = "1.8.0", features = ["serde"] }
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codemap = "0.1.3"
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codemap-diagnostic = "0.1.1"
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dirs = "4.0.0"
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genawaiter = { version = "0.99.1", default_features = false }
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imbl = { version = "2.0", features = [ "serde" ] }
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itertools = "0.12.0"
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lazy_static = "1.4.0"
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lexical-core = { version = "0.8.5", features = ["format", "parse-floats"] }
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os_str_bytes = { version = "6.3", features = ["conversions"] }
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path-clean = "0.1"
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proptest = { version = "1.3.0", default_features = false, features = ["std", "alloc", "tempfile"], optional = true }
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regex = "1.6.0"
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rnix = "0.11.0"
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rowan = "*" # pinned by rnix
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serde = { version = "1.0", features = [ "rc", "derive" ] }
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serde_json = "1.0"
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smol_str = "0.2.0"
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tabwriter = "1.2"
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test-strategy = { version = "0.2.1", optional = true }
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toml = "0.6.0"
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xml-rs = "0.8.4"
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[dev-dependencies]
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criterion = "0.5"
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itertools = "0.12.0"
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pretty_assertions = "1.2.1"
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rstest = "0.18.2"
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tempfile = "3.3.0"
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[features]
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default = ["impure", "arbitrary", "nix_tests"]
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# Enables running the Nix language test suite from the original C++
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# Nix implementation (at version 2.3) against Tvix.
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nix_tests = []
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# Enables operations in the VM which depend on the ability to perform I/O
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impure = []
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# Enables Arbitrary impls for internal types (required to run tests)
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arbitrary = ["proptest", "test-strategy", "imbl/proptest"]
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[[bench]]
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name = "eval"
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harness = false
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