Enum antlr_rust::semantic_context::SemanticContext

pub enum SemanticContext {
    Predicate {
        rule_index: isize,
        pred_index: isize,
        is_ctx_dependent: bool,
    },
    Precedence(isize),
    AND(Vec<SemanticContext>),
    OR(Vec<SemanticContext>),
}

Variants

Predicate

Fields of Predicate

rule_index: isizepred_index: isizeis_ctx_dependent: bool

Precedence(isize)

AND(Vec<SemanticContext>)

OR(Vec<SemanticContext>)

Methods

impl SemanticContext

pub const NONE: SemanticContext

pub fn new_and(a: &SemanticContext, b: &SemanticContext) -> SemanticContext

pub fn new_or(a: &SemanticContext, b: &SemanticContext) -> SemanticContext

pub fn and(
    a: Option<impl Borrow<SemanticContext>>,
    b: Option<impl Borrow<SemanticContext>>
) -> SemanticContext

pub fn or(
    a: Option<impl Borrow<SemanticContext>>,
    b: Option<impl Borrow<SemanticContext>>
) -> SemanticContext

Trait Implementations

impl Clone for SemanticContext

fn clone(&self) -> SemanticContext

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SemanticContext

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

Formats the value using the given formatter.

impl Eq for SemanticContext

impl Hash for SemanticContext

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl PartialEq<SemanticContext> for SemanticContext

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl StructuralEq for SemanticContext

impl StructuralPartialEq for SemanticContext