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feat: add field_name_for_named_child

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This commit is contained in:
Amaan Qureshi 2024-09-08 20:49:13 -04:00
parent 8667e3ea0c
commit 7e3f572655
5 changed files with 109 additions and 1 deletions
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9
lib/binding_rust/bindings.rs
View file

@ -373,6 +373,13 @@ extern "C" {
child_index: u32,
) -> *const ::core::ffi::c_char;
}
extern "C" {
#[doc = " Get the field name for node's named child at the given index, where zero\n represents the first named child. Returns NULL, if no field is found."]
pub fn ts_node_field_name_for_named_child(
self_: TSNode,
named_child_index: u32,
) -> *const ::core::ffi::c_char;
}
extern "C" {
#[doc = " Get the node's number of children."]
pub fn ts_node_child_count(self_: TSNode) -> u32;
@ -642,7 +649,7 @@ extern "C" {
pub fn ts_query_cursor_set_timeout_micros(self_: *mut TSQueryCursor, timeout_micros: u64);
}
extern "C" {
#[doc = " Get the duration in microseconds that query execution is allowed to take."]
#[doc = " Get the duration in microseconds that query execution is allowed to take.\n\n This is set via [`ts_query_cursor_set_timeout_micros`]."]
pub fn ts_query_cursor_timeout_micros(self_: *const TSQueryCursor) -> u64;
}
extern "C" {

8
lib/binding_rust/lib.rs
View file

@ -1236,6 +1236,14 @@ impl<'tree> Node<'tree> {
}
}
/// Get the field name of this node's named child at the given index.
pub fn field_name_for_named_child(&self, named_child_index: u32) -> Option<&'static str> {
unsafe {
let ptr = ffi::ts_node_field_name_for_named_child(self.0, named_child_index);
(!ptr.is_null()).then(|| CStr::from_ptr(ptr).to_str().unwrap())
}
}
/// Iterate over this node's children.
///
/// A [`TreeCursor`] is used to retrieve the children efficiently. Obtain