Struct ParserReturnAction 

pub struct ParserReturnAction {
    pub source_state: usize,
    pub rule_index: usize,
    pub name: &'static str,
    pub value: i64,
}

Integer return-value assignment attached to an ATN action transition.

Generated parsers use this metadata when target actions assign a simple return field such as $y=1000;. The interpreter applies it while selecting the recognized path so the finished parse tree can answer later $label.y action templates.

Fields

source_state: usize

ATN state containing the action transition.

rule_index: usize

Rule index recorded by the serialized action transition.

name: &'static str

Return-field name as it appears in the grammar.

value: i64

Literal integer value assigned by the action.

Trait Implementations

impl Clone for ParserReturnAction

fn clone(&self) -> ParserReturnAction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ParserReturnAction

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

Formats the value using the given formatter.

impl Ord for ParserReturnAction

fn cmp(&self, other: &ParserReturnAction) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ParserReturnAction

fn eq(&self, other: &ParserReturnAction) -> 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 PartialOrd for ParserReturnAction

fn partial_cmp(&self, other: &ParserReturnAction) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for ParserReturnAction

impl Eq for ParserReturnAction

impl StructuralPartialEq for ParserReturnAction