Trait lang_util::node::NodeDisplay

pub trait NodeDisplay: Sized {
    fn name() -> Option<&'static str>;
    fn start(&self) -> Option<TextSize>;
    fn end(&self) -> Option<TextSize>;
    fn source_id(&self) -> Option<FileId>;
    fn display(&self) -> NodeDisplayWrapper<'_, Self>;
    fn display_extra(&self, f: &mut Formatter<'_>) -> Result;
    fn display_children(&self, level: usize, f: &mut Formatter<'_>) -> Result;
}

Trait for displaying a syntax node

Required Methods

fn name() -> Option<&'static str>

Name of the syntax node’s type

fn start(&self) -> Option<TextSize>

Starting position of the node

fn end(&self) -> Option<TextSize>

Ending position of the node

fn source_id(&self) -> Option<FileId>

Source id of the node

fn display(&self) -> NodeDisplayWrapper<'_, Self>

Obtain a display wrapper for the current node

fn display_extra(&self, f: &mut Formatter<'_>) -> Result

Display extra information for the node

Parameters

• f: formatter to output to

fn display_children(&self, level: usize, f: &mut Formatter<'_>) -> Result

Display the node’s children

Parameters

• level: current indentation level
• f: formatter to output to

Implementors

impl<T: NodeContentDisplay + NodeContent> NodeDisplay for Node<T>

impl<T: NodeContentDisplay> NodeDisplay for T