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94346356e7
The current `:tree-sitter-subtree` has a bug for field-names when the
field name belongs to an unnamed child node. Take this ruby example:
def self.method_name
true
end
The subtree given by tree-sitter-cli is:
(singleton_method [2, 0] - [4, 3]
object: (self [2, 4] - [2, 8])
name: (identifier [2, 9] - [2, 20])
body: (body_statement [3, 2] - [3, 6]
(true [3, 2] - [3, 6])))
But the `:tree-sitter-subtree` output was
(singleton_method
object: (self)
body: (identifier)
(body_statement (true)))
The `singleton_method` rule defines the `name` and `body` fields in an
unnamed helper rule `_method_rest` and the old implementation of
`pretty_print_tree_impl` would pass the `field_name` down from the
named `singleton_method` node.
To fix it we switch to the [TreeCursor] API which is recommended by
the tree-sitter docs for traversing the tree. `TreeCursor::field_name`
accurately determines the field name for the current cursor position
even when the node is unnamed.
[TreeCursor]: https://docs.rs/tree-sitter/0.20.9/tree_sitter/struct.TreeCursor.html
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2 years ago | |
|---|---|---|
| .. | ||
| increment | 2 years ago | |
| auto_pairs.rs | 2 years ago | |
| chars.rs | 3 years ago | |
| comment.rs | 2 years ago | |
| config.rs | 3 years ago | |
| diagnostic.rs | 2 years ago | |
| diff.rs | 3 years ago | |
| graphemes.rs | 2 years ago | |
| history.rs | 2 years ago | |
| indent.rs | 2 years ago | |
| lib.rs | 2 years ago | |
| line_ending.rs | 2 years ago | |
| macros.rs | 4 years ago | |
| match_brackets.rs | 3 years ago | |
| movement.rs | 2 years ago | |
| object.rs | 2 years ago | |
| path.rs | 2 years ago | |
| position.rs | 2 years ago | |
| register.rs | 2 years ago | |
| search.rs | 3 years ago | |
| selection.rs | 2 years ago | |
| shellwords.rs | 2 years ago | |
| surround.rs | 2 years ago | |
| syntax.rs | 2 years ago | |
| test.rs | 2 years ago | |
| textobject.rs | 2 years ago | |
| transaction.rs | 2 years ago | |
| wrap.rs | 3 years ago | |