feat(ScanError) implement OSDBError trait

src/error_display.rs

@@ -1,4 +1,4 @@
-use crate::command::CommandParseError;
+use crate::{command::CommandParseError, tokens::ScanError};
 use ariadne::{Color, Label, Report, ReportKind, Source};
 
 pub trait OSDBError {
@@ -7,9 +7,25 @@ pub trait OSDBError {
 
 impl OSDBError for CommandParseError {
     fn display(&self, file: &str, input: &str) {
-        Report::build(ReportKind::Error, (file, 0..input.len() - 1))
-            .with_message(self.message())
-            .with_label(Label::new((file, 0..input.len() - 1)).with_color(Color::Red))
+        if let CommandParseError::Scan(x) = self {
+            x.display(file, input);
+        } else {
+            Report::build(ReportKind::Error, (file, 0..input.len() - 1))
+                .with_message(self.message())
+                .with_label(Label::new((file, 0..input.len() - 1)).with_color(Color::Red))
+                .finish()
+                .print((file, Source::from(input)))
+                .unwrap();
+        }
+    }
+}
+
+impl OSDBError for ScanError {
+    fn display(&self, file: &str, input: &str) {
+        let location = (file, Into::<std::ops::Range<usize>>::into(&self.location));
+        Report::build(ReportKind::Error, location.clone())
+            .with_message(format!("{self}"))
+            .with_label(Label::new(location).with_color(Color::Red))
             .finish()
             .print((file, Source::from(input)))
             .unwrap();

src/tokens.rs

@@ -25,6 +25,15 @@ pub struct Location {
     pub length: usize,
 }
 
+impl From<&Location> for std::ops::Range<usize> {
+    fn from(val: &Location) -> Self {
+        std::ops::Range {
+            start: val.offset,
+            end: val.offset + val.length,
+        }
+    }
+}
+
 impl Location {
     /// ```
     /// use osdb::tokens::Location;