Enum boa::syntax::lexer::token::TokenKind

pub enum TokenKind {
    BooleanLiteral(bool),
    EOF,
    Identifier(Box<str>),
    Keyword(Keyword),
    NullLiteral,
    NumericLiteral(Numeric),
    Punctuator(Punctuator),
    StringLiteral(Box<str>),
    TemplateNoSubstitution {
        raw: Box<str>,
        cooked: Box<str>,
    },
    TemplateMiddle {
        raw: Box<str>,
        cooked: Box<str>,
    },
    RegularExpressionLiteral(Box<str>, RegExpFlags),
    LineTerminator,
    Comment,
}

Represents the type of Token and the data it has inside.

Variants

BooleanLiteral(bool)

A boolean literal, which is either true or false.

EOF

The end of the file.

Identifier(Box<str>)

An identifier.

Keyword(Keyword)

A keyword.

see: Keyword

NullLiteral

A null literal.

NumericLiteral(Numeric)

A numeric literal.

Punctuator(Punctuator)

A piece of punctuation

see: Punctuator

StringLiteral(Box<str>)

A string literal.

TemplateNoSubstitution

A part of a template literal without substitution.

Fields of TemplateNoSubstitution

raw: Box<str>

The string as it has been entered, without processing escape sequences.

cooked: Box<str>

The raw string with escape sequences processed.

TemplateMiddle

The part of a template literal between substitutions

Fields of TemplateMiddle

raw: Box<str>

The string as it has been entered, without processing escape sequences.

cooked: Box<str>

The raw string with escape sequences processed.

RegularExpressionLiteral(Box<str>, RegExpFlags)

A regular expression, consisting of body and flags.

LineTerminator

Indicates the end of a line (\n).

Comment

Indicates a comment, the content isn't stored.

Implementations

impl TokenKind

pub fn boolean_literal(lit: bool) -> Self

Creates a BooleanLiteral token kind.

pub fn eof() -> Self

Creates an EOF token kind.

pub fn identifier<I>(ident: I) -> Self where
    I: Into<Box<str>>, 

Creates an Identifier token type.

pub fn keyword(keyword: Keyword) -> Self

Creates a Keyword token kind.

pub fn numeric_literal<L>(lit: L) -> Self where
    L: Into<Numeric>, 

Creates a NumericLiteral token kind.

pub fn punctuator(punc: Punctuator) -> Self

Creates a Punctuator token type.

pub fn string_literal<S>(lit: S) -> Self where
    S: Into<Box<str>>, 

Creates a StringLiteral token type.

pub fn template_middle<R, C>(raw: R, cooked: C) -> Self where
    R: Into<Box<str>>,
    C: Into<Box<str>>, 

pub fn template_no_substitution<R, C>(raw: R, cooked: C) -> Self where
    R: Into<Box<str>>,
    C: Into<Box<str>>, 

pub fn regular_expression_literal<B, R>(body: B, flags: R) -> Self where
    B: Into<Box<str>>,
    R: Into<RegExpFlags>, 

Creates a RegularExpressionLiteral token kind.

pub fn line_terminator() -> Self

Creates a LineTerminator token kind.

pub fn comment() -> Self

Creates a 'Comment' token kind.

Trait Implementations

impl Clone for TokenKind

pub fn clone(&self) -> TokenKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TokenKind

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

Formats the value using the given formatter.

impl Display for TokenKind

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

Formats the value using the given formatter.

impl From<Keyword> for TokenKind

pub fn from(kw: Keyword) -> Self

Performs the conversion.

impl From<Numeric> for TokenKind

pub fn from(num: Numeric) -> Self

Performs the conversion.

impl From<Punctuator> for TokenKind

pub fn from(punc: Punctuator) -> Self

Performs the conversion.

impl From<bool> for TokenKind

pub fn from(oth: bool) -> Self

Performs the conversion.

impl PartialEq<TokenKind> for TokenKind

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

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

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

This method tests for !=.

impl StructuralPartialEq for TokenKind