Struct ParserRuleContext 

pub struct ParserRuleContext { /* private fields */ }

Implementations

impl ParserRuleContext

pub const fn new(rule_index: usize, invoking_state: isize) -> Self

pub const fn rule_index(&self) -> usize

pub const fn invoking_state(&self) -> isize

pub const fn alt_number(&self) -> usize

pub const fn set_alt_number(&mut self, alt_number: usize)

pub fn start(&self) -> Option<&CommonToken>

pub fn stop(&self) -> Option<&CommonToken>

pub fn set_start(&mut self, token: CommonToken)

pub fn set_stop(&mut self, token: CommonToken)

pub fn set_int_return(&mut self, name: impl Into<String>, value: i64)

Stores a generated integer return value on this rule context.

pub fn int_return(&self, name: &str) -> Option<i64>

Reads a generated integer return value from this rule context.

pub fn exception(&self) -> Option<&AntlrError>

pub fn set_exception(&mut self, error: AntlrError)

pub fn children(&self) -> &[ParseTree]

pub const fn child_count(&self) -> usize

Returns the number of direct children in this context.

pub fn child_rule(&self, rule_index: usize) -> Option<&Self>

Finds the first direct child rule with rule_index.

pub fn child_rules(&self, rule_index: usize) -> impl Iterator<Item = &Self> + '_

Iterates over direct child rules with rule_index.

pub fn child_token(&self, token_type: i32) -> Option<&TerminalNode>

Finds the first direct token child with token_type.

Includes recovery error nodes, which ANTLR treats as terminal nodes for token-getter helpers.

pub fn has_token(&self, token_type: i32) -> bool

Returns whether this context has a direct token child with token_type.

pub fn add_child(&mut self, child: ParseTree)

pub const fn note_matched_child(&mut self)

Records that a child was matched without storing it (used when parse-tree construction is disabled). Keeps has_matched_child accurate even though children stays empty.

pub const fn has_matched_child(&self) -> bool

Whether this context has matched at least one child (token, rule, or error node) so far, regardless of whether parse-tree construction is enabled.

pub fn text(&self) -> String

pub fn to_string_tree<S: AsRef<str>>(&self, rule_names: &[S]) -> String

Trait Implementations

impl Clone for ParserRuleContext

fn clone(&self) -> ParserRuleContext

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ParserRuleContext

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

Formats the value using the given formatter.

impl Eq for ParserRuleContext

impl PartialEq for ParserRuleContext

fn eq(&self, other: &ParserRuleContext) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for ParserRuleContext