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feat(tvix/eval): Add a proc-macro for defining builtins

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Add a single new proc macro to a new proc-macro crate,
`tvix-eval-proc-macros` for defining an inline module containing nix
builtins, and automatically generating a function within that module
which returns a list of those builtins as `tvix_eval::value::Builtin`.

Change-Id: Ie4afae438914d2af93d15637151a49b4c68aa352
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7198
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: Adam Joseph <adam@westernsemico.com>
Tested-by: BuildkiteCI
This commit is contained in:
Griffin Smith 2022-11-05 19:50:31 -04:00 • committed by grfn
parent cf82a545eb
commit 645d0c06e5
9 changed files with 1133 additions and 3 deletions
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6
tvix/eval/src/lib.rs
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@ -27,12 +27,12 @@ use std::rc::Rc;
// Re-export the public interface used by other crates.
pub use crate::builtins::global_builtins;
pub use crate::compiler::{compile, prepare_globals};
pub use crate::errors::EvalResult;
pub use crate::errors::{ErrorKind, EvalResult};
pub use crate::eval::{interpret, Options};
pub use crate::pretty_ast::pretty_print_expr;
pub use crate::source::SourceCode;
pub use crate::value::Value;
pub use crate::vm::run_lambda;
pub use crate::value::{Builtin, Value};
pub use crate::vm::{run_lambda, VM};
// TODO: use Rc::unwrap_or_clone once it is stabilised.
// https://doc.rust-lang.org/std/rc/struct.Rc.html#method.unwrap_or_clone