diff options
-rw-r--r-- | src/yellow/red.rs | 10 | ||||
-rw-r--r-- | src/yellow/syntax.rs | 8 |
2 files changed, 15 insertions, 3 deletions
diff --git a/src/yellow/red.rs b/src/yellow/red.rs index 3002153ca..e0fa27e5f 100644 --- a/src/yellow/red.rs +++ b/src/yellow/red.rs | |||
@@ -16,7 +16,7 @@ pub(crate) struct RedNode { | |||
16 | 16 | ||
17 | #[derive(Debug)] | 17 | #[derive(Debug)] |
18 | struct ParentData { | 18 | struct ParentData { |
19 | parent: *const RedNode, | 19 | parent: ptr::NonNull<RedNode>, |
20 | start_offset: TextUnit, | 20 | start_offset: TextUnit, |
21 | index_in_parent: usize, | 21 | index_in_parent: usize, |
22 | } | 22 | } |
@@ -30,7 +30,7 @@ impl RedNode { | |||
30 | 30 | ||
31 | fn new_child( | 31 | fn new_child( |
32 | green: GreenNode, | 32 | green: GreenNode, |
33 | parent: *const RedNode, | 33 | parent: ptr::NonNull<RedNode>, |
34 | start_offset: TextUnit, | 34 | start_offset: TextUnit, |
35 | index_in_parent: usize, | 35 | index_in_parent: usize, |
36 | ) -> RedNode { | 36 | ) -> RedNode { |
@@ -76,10 +76,14 @@ impl RedNode { | |||
76 | let green_children = self.green.children(); | 76 | let green_children = self.green.children(); |
77 | let start_offset = self.start_offset() | 77 | let start_offset = self.start_offset() |
78 | + green_children[..idx].iter().map(|x| x.text_len()).sum::<TextUnit>(); | 78 | + green_children[..idx].iter().map(|x| x.text_len()).sum::<TextUnit>(); |
79 | let child = RedNode::new_child(green_children[idx].clone(), self, start_offset, idx); | 79 | let child = RedNode::new_child(green_children[idx].clone(), self.into(), start_offset, idx); |
80 | children[idx] = Some(Box::new(child)) | 80 | children[idx] = Some(Box::new(child)) |
81 | } | 81 | } |
82 | let child = children[idx].as_ref().unwrap(); | 82 | let child = children[idx].as_ref().unwrap(); |
83 | ptr::NonNull::from(&**child) | 83 | ptr::NonNull::from(&**child) |
84 | } | 84 | } |
85 | |||
86 | pub(crate) fn parent(&self) -> Option<ptr::NonNull<RedNode>> { | ||
87 | Some(self.parent.as_ref()?.parent) | ||
88 | } | ||
85 | } | 89 | } |
diff --git a/src/yellow/syntax.rs b/src/yellow/syntax.rs index c31b832d0..ae3302ed9 100644 --- a/src/yellow/syntax.rs +++ b/src/yellow/syntax.rs | |||
@@ -90,6 +90,14 @@ impl<ROOT: TreeRoot> SyntaxNode<ROOT> { | |||
90 | res | 90 | res |
91 | } | 91 | } |
92 | 92 | ||
93 | pub fn parent(&self) -> Option<SyntaxNode<ROOT>> { | ||
94 | let parent = self.red().parent()?; | ||
95 | Some(SyntaxNode { | ||
96 | root: self.root.clone(), | ||
97 | red: parent, | ||
98 | }) | ||
99 | } | ||
100 | |||
93 | fn red(&self) -> &RedNode { | 101 | fn red(&self) -> &RedNode { |
94 | unsafe { self.red.as_ref() } | 102 | unsafe { self.red.as_ref() } |
95 | } | 103 | } |