Trait antlr_rust::tree::ParseTreeListener[−][src]

pub trait ParseTreeListener<'input, Node: ParserNodeType<'input>> {
    fn visit_terminal(&mut self, _node: &TerminalNode<'input, Node>) { ... }
    fn visit_error_node(&mut self, _node: &ErrorNode<'input, Node>) { ... }
    fn enter_every_rule(&mut self, _ctx: &Node::Type) { ... }
    fn exit_every_rule(&mut self, _ctx: &Node::Type) { ... }
}

Expand description

Base parse listener interface

Provided methods

fn visit_terminal(&mut self, _node: &TerminalNode<'input, Node>)

Called when parser creates terminal node

fn visit_error_node(&mut self, _node: &ErrorNode<'input, Node>)

Called when parser creates error node

fn enter_every_rule(&mut self, _ctx: &Node::Type)

Called when parser enters any rule node

fn exit_every_rule(&mut self, _ctx: &Node::Type)

Called when parser exits any rule node

Implementors