refactor(tvix/eval): move `spans` module to crate root r/5057

This is also useful for error-handling related logic, outside of just
the compiler module.

Change-Id: I5c386e2b4c31cda0a0209b31136ca07f00e39e45
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6869
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>

1 files changed, 4 insertions, 9 deletions

diff --git a/tvix/eval/src/compiler/spans.rs b/tvix/eval/src/spans.rs
index 6c11961e0e..c17ad2102c 100644
--- a/tvix/eval/src/compiler/spans.rs
+++ b/tvix/eval/src/spans.rs
@@ -1,11 +1,12 @@
-//! Utilities for dealing with span tracking in the compiler.
+//! Utilities for dealing with span tracking in the compiler and in
+//! error reporting.
 
-use super::*;
 use codemap::{File, Span};
+use rnix::ast;
 use rowan::ast::AstNode;
 
 /// Trait implemented by all types from which we can retrieve a span.
-pub(super) trait ToSpan {
+pub trait ToSpan {
     fn span_for(&self, file: &File) -> Span;
 }
 
@@ -76,9 +77,3 @@ expr_to_span!(ast::Select);
 expr_to_span!(ast::Str);
 expr_to_span!(ast::UnaryOp);
 expr_to_span!(ast::With);
-
-impl Compiler<'_> {
-    pub(super) fn span_for<S: ToSpan>(&self, to_span: &S) -> Span {
-        to_span.span_for(&self.file)
-    }
-}