diff options
-rw-r--r-- | tvix/eval/src/compiler/bindings.rs | 88 |
1 files changed, 8 insertions, 80 deletions
diff --git a/tvix/eval/src/compiler/bindings.rs b/tvix/eval/src/compiler/bindings.rs index 89cb1da9dbe6..3003c234671a 100644 --- a/tvix/eval/src/compiler/bindings.rs +++ b/tvix/eval/src/compiler/bindings.rs @@ -261,85 +261,6 @@ impl Compiler<'_> { } } - /// Compiles inherited values in an attribute set. Inherited - /// values are *always* inherited from the outer scope, even if - /// there is a matching name within a recursive attribute set. - fn compile_inherit_attrs( - &mut self, - slot: LocalIdx, - inherits: AstChildren<ast::Inherit>, - ) -> usize { - // Count the number of inherited values, so that the outer - // constructor can emit the correct number of pairs when - // constructing attribute sets. - let mut count = 0; - - for inherit in inherits { - match inherit.from() { - Some(from) => { - for attr in inherit.attrs() { - count += 1; - - let name = match self.expr_static_attr_str(&attr) { - Some(name) => name, - None => { - self.emit_error(&attr, ErrorKind::DynamicKeyInScope("inherit")); - continue; - } - }; - - let name_span = self.span_for(&attr); - - // First emit the identifier itself (this - // becomes the new key). - self.emit_constant(Value::String(SmolStr::new(&name).into()), &attr); - self.scope_mut().declare_phantom(name_span, true); - - // Then emit the node that we're inheriting - // from. - // - // TODO: Likely significant optimisation - // potential in having a multi-select - // instruction followed by a merge, rather - // than pushing/popping the same attrs - // potentially a lot of times. - let val_idx = self.scope_mut().declare_phantom(name_span, false); - self.compile(val_idx, from.expr().unwrap()); - self.emit_force(&from.expr().unwrap()); - self.emit_constant(Value::String(name.into()), &attr); - self.push_op(OpCode::OpAttrsSelect, &attr); - self.scope_mut().mark_initialised(val_idx); - } - } - - None => { - for attr in inherit.attrs() { - count += 1; - - // Emit the key to use for OpAttrs - let name = match self.expr_static_attr_str(&attr) { - Some(name) => name, - None => { - self.emit_error(&attr, ErrorKind::DynamicKeyInScope("inherit")); - continue; - } - }; - - let name_span = self.span_for(&attr); - self.emit_constant(Value::String(SmolStr::new(&name).into()), &attr); - self.scope_mut().declare_phantom(name_span, true); - - // Emit the value. - self.compile_identifier_access(slot, &name, &attr); - self.scope_mut().declare_phantom(name_span, true); - } - } - } - } - - count - } - /// Compile the statically known entries of an attribute set. Which /// keys are which is not known from the iterator, so discovered /// dynamic keys are returned from here. @@ -481,7 +402,14 @@ impl Compiler<'_> { let count = self.compile_recursive_scope(slot, BindingsKind::RecAttrs, &node); self.push_op(OpCode::OpAttrs(Count(count)), &node); } else { - let mut count = self.compile_inherit_attrs(slot, node.inherits()); + let mut count = 0; + + // TODO: merge this with the above, for now only inherit is unified + let mut bindings: Vec<TrackedBinding> = vec![]; + let inherit_froms = + self.compile_plain_inherits(slot, BindingsKind::Attrs, &mut count, &node); + self.declare_namespaced_inherits(BindingsKind::Attrs, inherit_froms, &mut bindings); + self.bind_values(bindings); let dynamic_entries = self.compile_static_attr_entries(&mut count, node.attrpath_values()); |