Struct regex_syntax::hir::translate::Translator

pub struct Translator {
    stack: RefCell<Vec<HirFrame>>,
    flags: Cell<Flags>,
    utf8: bool,
    line_terminator: u8,
}

A translator maps abstract syntax to a high level intermediate representation.

A translator may be benefit from reuse. That is, a translator can translate many abstract syntax trees.

A Translator can be configured in more detail via a TranslatorBuilder.

Fields

stack: RefCell<Vec<HirFrame>>

Our call stack, but on the heap.

flags: Cell<Flags>

The current flag settings.

utf8: bool

Whether we’re allowed to produce HIR that can match arbitrary bytes.

line_terminator: u8

The line terminator to use for ..

Implementations

impl Translator

pub fn new() -> Translator

Create a new translator using the default configuration.

pub fn translate(&mut self, pattern: &str, ast: &Ast) -> Result<Hir, Error>

Translate the given abstract syntax tree (AST) into a high level intermediate representation (HIR).

If there was a problem doing the translation, then an HIR-specific error is returned.

The original pattern string used to produce the Ast must also be provided. The translator does not use the pattern string during any correct translation, but is used for error reporting.

Trait Implementations

impl Clone for Translator

fn clone(&self) -> Translator

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Translator

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

Formats the value using the given formatter.