fix(span): Enable span properly to fix build failure with `span` feature disabled (#120)

src/entry.rs

@@ -579,24 +579,30 @@ mod test {
         );
 
         let entry: KdlEntry = " \\\n (\"m\\\"eh\")0xDEADbeef\t\\\n".parse()?;
-        let mut ty: KdlIdentifier = "\"m\\\"eh\"".parse()?;
+        #[cfg_attr(not(feature = "span"), allow(unused_mut))]
-        ty.span = (5..12).into();
+        {
-        assert_eq!(
+            let mut ty: KdlIdentifier = "\"m\\\"eh\"".parse()?;
-            entry,
+            #[cfg(feature = "span")]
-            KdlEntry {
+            {
-                ty: Some(ty),
+                ty.span = (5..12).into();
-                value: KdlValue::Integer(0xdeadbeef),
-                name: None,
-                format: Some(KdlEntryFormat {
-                    leading: " \\\n ".into(),
-                    trailing: "\t\\\n".into(),
-                    value_repr: "0xDEADbeef".into(),
-                    ..Default::default()
-                }),
-                #[cfg(feature = "span")]
-                span: SourceSpan::from(0..26),
             }
-        );
+            assert_eq!(
+                entry,
+                KdlEntry {
+                    ty: Some(ty),
+                    value: KdlValue::Integer(0xdeadbeef),
+                    name: None,
+                    format: Some(KdlEntryFormat {
+                        leading: " \\\n ".into(),
+                        trailing: "\t\\\n".into(),
+                        value_repr: "0xDEADbeef".into(),
+                        ..Default::default()
+                    }),
+                    #[cfg(feature = "span")]
+                    span: SourceSpan::from(0..26),
+                }
+            );
+        }
 
         let entry: KdlEntry = " \\\n \"foo\"=(\"m\\\"eh\")0xDEADbeef\t\\\n".parse()?;
         assert_eq!(

src/v2_parser.rs

@@ -439,11 +439,13 @@ fn test_node() {
             name: KdlIdentifier {
                 value: "foo".into(),
                 repr: Some("foo".into()),
+                #[cfg(feature = "span")]
                 span: (0..3).into()
             },
             entries: vec![],
             children: None,
             format: Some(Default::default()),
+            #[cfg(feature = "span")]
             span: (0..7).into()
         }
     );
@@ -455,6 +457,7 @@ fn test_node() {
             name: KdlIdentifier {
                 value: "foo".into(),
                 repr: Some("foo".into()),
+                #[cfg(feature = "span")]
                 span: (0..3).into()
             },
             entries: vec![KdlEntry {
@@ -466,12 +469,14 @@ fn test_node() {
                     leading: " ".into(),
                     ..Default::default()
                 }),
+                #[cfg(feature = "span")]
                 span: SourceSpan::new(3.into(), 4)
             }],
             children: None,
             format: Some(KdlNodeFormat {
                 ..Default::default()
             }),
+            #[cfg(feature = "span")]
             span: (0..8).into()
         }
     );
@@ -552,7 +557,6 @@ fn node_entry(input: &mut Input<'_>) -> PResult<Option<KdlEntry>> {
                 fmt.after_key = after_key.into();
                 fmt.after_eq = after_eq.into();
             }
-            #[cfg(feature = "span")]
             value
         })
     } else if let Some(ident) = maybe_ident {
@@ -607,6 +611,7 @@ fn entry_test() {
                 value_repr: "bar".into(),
                 ..Default::default()
             }),
+            #[cfg(feature = "span")]
             span: (0..7).into()
         })
     );
@@ -621,6 +626,7 @@ fn entry_test() {
                 value_repr: "foo".into(),
                 ..Default::default()
             }),
+            #[cfg(feature = "span")]
             span: (0..3).into()
         })
     );
@@ -636,6 +642,7 @@ fn entry_test() {
                 leading: "/-foo ".into(),
                 ..Default::default()
             }),
+            #[cfg(feature = "span")]
             span: (6..9).into()
         })
     );
@@ -648,6 +655,7 @@ fn entry_test() {
             name: Some(KdlIdentifier {
                 value: "bar".into(),
                 repr: Some("bar".into()),
+                #[cfg(feature = "span")]
                 span: (9..12).into(),
             }),
             format: Some(KdlEntryFormat {
@@ -657,6 +665,7 @@ fn entry_test() {
                 after_eq: " ".into(),
                 ..Default::default()
             }),
+            #[cfg(feature = "span")]
             span: (9..16).into()
         })
     );
@@ -669,6 +678,7 @@ fn entry_test() {
             name: Some(KdlIdentifier {
                 value: "bar".into(),
                 repr: Some("bar".into()),
+                #[cfg(feature = "span")]
                 span: (12..16).into(),
             }),
             format: Some(KdlEntryFormat {
@@ -678,6 +688,7 @@ fn entry_test() {
                 after_eq: " ".into(),
                 ..Default::default()
             }),
+            #[cfg(feature = "span")]
             span: (12..18).into()
         })
     );
@@ -749,10 +760,7 @@ fn node_children(input: &mut Input<'_>) -> PResult<KdlDocument> {
             .or_else(|mut e: ErrMode<KdlParseError>| {
                 e = match e {
                     ErrMode::Cut(mut pe) => {
-                        #[cfg(feature = "span")]
+                        pe.span = Some((_before_open_loc.._after_open_loc).into());
-                        {
-                            pe.span = Some((_before_open_loc.._after_open_loc).into());
-                        }
                         ErrMode::Cut(pe)
                     }
                     e => return Err(e),
@@ -1508,6 +1516,7 @@ mod string_tests {
             KdlIdentifier {
                 value: "foo".into(),
                 repr: Some("foo".into()),
+                #[cfg(feature = "span")]
                 span: (0..3).into()
             }
         );
@@ -1516,6 +1525,7 @@ mod string_tests {
             KdlIdentifier {
                 value: "+.".into(),
                 repr: Some("+.".into()),
+                #[cfg(feature = "span")]
                 span: (0..1).into()
             }
         )