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Debug for Node

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This commit is contained in:
Aleksey Kladov 2017-12-31 20:41:15 +03:00
parent f16fed18b3
commit 8e42f26965
1 changed files with 13 additions and 2 deletions
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15
src/tree/mod.rs
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@ -56,9 +56,12 @@ impl<'f> Node<'f> {
self.data().kind self.data().kind
} }
pub fn range(&self) -> TextRange {
self.data().range
}
pub fn text(&self) -> &'f str { pub fn text(&self) -> &'f str {
let range = self.data().range; &self.file.text.as_str()[self.range()]
&self.file.text.as_str()[range]
} }
pub fn parent(&self) -> Option<Node<'f>> { pub fn parent(&self) -> Option<Node<'f>> {
@ -78,6 +81,8 @@ impl<'f> Node<'f> {
} }
} }
pub struct Children<'f> { pub struct Children<'f> {
next: Option<Node<'f>>, next: Option<Node<'f>>,
} }
@ -116,3 +121,9 @@ impl ::std::ops::IndexMut<NodeIdx> for Vec<NodeData> {
&mut self[idx as usize] &mut self[idx as usize]
} }
} }
impl<'f> fmt::Debug for Node<'f> {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
write!(fmt, "{:?}@{:?}", self.kind(), self.range())
}
}