feat(ScanError) implement OSDBError trait

notes.org

@@ -153,7 +153,7 @@ CLOCK: [2025-05-04 dim. 13:27]--[2025-05-04 dim. 13:32] =>  0:05
 CLOCK: [2025-05-04 dim. 13:35]--[2025-05-04 dim. 13:38] =>  0:03
 :END:
 
-*** TODO ScanErrors must be convertible to ariadne reports
+*** DONE ScanErrors must be convertible to ariadne reports
 :PROPERTIES:
 :EFFORT:   10
 :END:
@@ -166,10 +166,13 @@ CLOCK: [2025-05-04 dim. 13:35]--[2025-05-04 dim. 13:38] =>  0:03
 CLOCK: [2025-05-04 dim. 13:38]--[2025-05-04 dim. 13:44] =>  0:06
 :END:
 
-**** TODO implement OSDBError for ScanError
+**** DONE implement OSDBError for ScanError
 :PROPERTIES:
 :EFFORT:   10
 :END:
+:LOGBOOK:
+CLOCK: [2025-05-04 dim. 13:45]--[2025-05-04 dim. 13:56] =>  0:11
+:END:
 
 *** TODO remove token types which are not recognized at all
 :PROPERTIES:

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 {
@@ -7,6 +7,9 @@ pub trait OSDBError {
 
 impl OSDBError for CommandParseError {
     fn display(&self, file: &str, input: &str) {
+        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))
@@ -14,4 +17,17 @@ impl OSDBError for CommandParseError {
                 .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;