Fix #15

.github/workflows/ci.yml

@@ -27,6 +27,7 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: test
+          args: --all
 
       - uses: actions-rs/cargo@v1
         with:

crates/nu-cli/src/errors.rs

@@ -18,7 +18,17 @@ fn convert_span_to_diag(
         }
     }
 
-    panic!("internal error: can't find span in parser state")
+    if span.start == working_set.next_span_start() {
+        // We're trying to highlight the space after the end
+        if let Some((file_id, (_, _, end))) = working_set.files().enumerate().last() {
+            return Ok((file_id, *end..(*end + 1)));
+        }
+    }
+
+    panic!(
+        "internal error: can't find span in parser state: {:?}",
+        span
+    )
 }
 
 pub fn report_parsing_error(

crates/nu-parser/tests/test_parser.rs

@@ -302,37 +302,6 @@ mod range {
         }
     }
 
-    #[test]
-    fn parse_left_unbounded_range() {
-        let engine_state = EngineState::new();
-        let mut working_set = StateWorkingSet::new(&engine_state);
-
-        let (block, err) = parse_source(&mut working_set, b"..10", true);
-
-        assert!(err.is_none());
-        assert!(block.len() == 1);
-        match &block[0] {
-            Statement::Pipeline(Pipeline { expressions }) => {
-                assert!(expressions.len() == 1);
-                assert!(matches!(
-                    expressions[0],
-                    Expression {
-                        expr: Expr::Range(
-                            None,
-                            Some(_),
-                            RangeOperator {
-                                inclusion: RangeInclusion::Inclusive,
-                                ..
-                            }
-                        ),
-                        ..
-                    }
-                ))
-            }
-            _ => panic!("No match"),
-        }
-    }
-
     #[test]
     fn parse_right_unbounded_range() {
         let engine_state = EngineState::new();
@@ -394,4 +363,14 @@ mod range {
             _ => panic!("No match"),
         }
     }
+
+    #[test]
+    fn bad_parse_does_crash() {
+        let engine_state = EngineState::new();
+        let mut working_set = StateWorkingSet::new(&engine_state);
+
+        let (_, err) = parse_source(&mut working_set, b"(0)..\"a\"", true);
+
+        assert!(err.is_some());
+    }
 }