diff options
| author | Vincent Ambo <mail@tazj.in> | 2022-08-24T08·00+0300 |
|---|---|---|
| committer | tazjin <tazjin@tvl.su> | 2022-09-02T12·59+0000 |
| commit | e0f1356ae31783664f597b33f8b69b060a9e3033 (patch) | |
| tree | 54dc3a82429b2844b2c443ab9eb0911fc78f1615 /tvix/eval/src/value/mod.rs | |
| parent | 64746388e2c81c3dac7f520c40a4c4aacb3dc376 (diff) | |
feat(tvix/eval): add initial representation of builtins r/4585
Builtins are represented as a Rust function pointer that accepts a vector of arguments, which represents variable arity builtins. Change-Id: Ibab7e662a646caf1172695d876d2f55e187c03dd Reviewed-on: https://cl.tvl.fyi/c/depot/+/6251 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
Diffstat (limited to 'tvix/eval/src/value/mod.rs')
| -rw-r--r-- | tvix/eval/src/value/mod.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tvix/eval/src/value/mod.rs b/tvix/eval/src/value/mod.rs index 2177ca26d9..bf07c5d326 100644 --- a/tvix/eval/src/value/mod.rs +++ b/tvix/eval/src/value/mod.rs @@ -4,12 +4,14 @@ use std::rc::Rc; use std::{fmt::Display, path::PathBuf}; mod attrs; +mod builtin; mod lambda; mod list; mod string; use crate::errors::{ErrorKind, EvalResult}; pub use attrs::NixAttrs; +pub use builtin::Builtin; pub use lambda::Lambda; pub use list::NixList; pub use string::NixString; @@ -26,6 +28,7 @@ pub enum Value { Attrs(Rc<NixAttrs>), List(NixList), Lambda(Lambda), + Builtin(Builtin), // Internal values that, while they technically exist at runtime, // are never returned to or created directly by users. @@ -49,7 +52,7 @@ impl Value { Value::Path(_) => "path", Value::Attrs(_) => "set", Value::List(_) => "list", - Value::Lambda(_) => "lambda", + Value::Lambda(_) | Value::Builtin(_) => "lambda", // Internal types Value::AttrPath(_) | Value::Blackhole | Value::NotFound => "internal", @@ -128,6 +131,7 @@ impl Display for Value { Value::Attrs(attrs) => attrs.fmt(f), Value::List(list) => list.fmt(f), Value::Lambda(_) => f.write_str("lambda"), // TODO: print position + Value::Builtin(builtin) => builtin.fmt(f), // Nix prints floats with a maximum precision of 5 digits // only. |