temp commit

orchid-base/src/location.rs

@@ -6,6 +6,7 @@ use std::ops::Range;
 
 use trait_set::trait_set;
 
+use crate::error::ErrPos;
 use crate::interner::{Interner, Tok};
 use crate::name::Sym;
 use crate::{api, match_mapping, sym};
@@ -51,6 +52,17 @@ impl Pos {
 		})
 	}
 }
+impl fmt::Display for Pos {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		match self {
+			Pos::Inherit => f.write_str("Unresolved inherited position"),
+			Pos::SlotTarget => f.write_str("Unresolved slot target position"),
+			Pos::None => f.write_str("N/A"),
+			Pos::Gen(g) => write!(f, "{g}"),
+			Pos::SrcRange(sr) => write!(f, "{sr}"),
+		}
+	}
+}
 
 /// Exact source code location. Includes where the code was loaded from, what
 /// the original source code was, and a byte range.
@@ -90,13 +102,24 @@ impl SrcRange {
 		}
 	}
 	pub fn zw(path: Sym, pos: u32) -> Self { Self { path, range: pos..pos } }
-	async fn from_api(api: &api::SourceRange, i: &Interner) -> Self {
+	pub async fn from_api(api: &api::SourceRange, i: &Interner) -> Self {
 		Self { path: Sym::from_api(api.path, i).await, range: api.range.clone() }
 	}
-	fn to_api(&self) -> api::SourceRange {
+	pub fn to_api(&self) -> api::SourceRange {
 		api::SourceRange { path: self.path.to_api(), range: self.range.clone() }
 	}
 }
+impl From<SrcRange> for ErrPos {
+	fn from(val: SrcRange) -> Self { val.pos().into() }
+}
+impl fmt::Display for SrcRange {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		match self.range.len() {
+			0 => write!(f, "{}:{}", self.path(), self.range.start),
+			n => write!(f, "{}:{}+{}", self.path(), self.range.start, n),
+		}
+	}
+}
 
 /// Information about a code generator attached to the generated code
 #[derive(Clone, PartialEq, Eq, Hash)]