Enum swc_ecma_parser::lexer::TokenContext

source · [−]

#[repr(u8)]
pub enum TokenContext {
    BraceStmt,
    BraceExpr,
    TplQuasi,
    ParenStmt {
        is_for_loop: bool,
    },
    ParenExpr,
    Tpl {
        start: BytePos,
    },
    FnExpr,
    JSXOpeningTag,
    JSXClosingTag,
    JSXExpr,
}

Expand description

The algorithm used to determine whether a regexp can appear at a given point in the program is loosely based on sweet.js’ approach. See https://github.com/mozilla/sweet.js/wiki/design

Variants

`BraceStmt`

`BraceExpr`

`TplQuasi`

`ParenStmt`

Fields

is_for_loop: bool

Is this for loop?

`ParenExpr`

`Tpl`

Fields

start: BytePos

Start of a template literal.

`FnExpr`

`JSXOpeningTag`

`JSXClosingTag`

`JSXExpr`

Implementations

impl TokenContext

pub fn is_expr(&self) -> bool

pub fn preserve_space(&self) -> bool

Trait Implementations

impl Clone for TokenContext

fn clone(&self) -> TokenContext

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

impl Debug for TokenContext

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

Formats the value using the given formatter. Read more

impl PartialEq<TokenContext> for TokenContext

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

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

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

This method tests for !=.

impl Copy for TokenContext

impl Eq for TokenContext

impl StructuralEq for TokenContext

impl StructuralPartialEq for TokenContext

Auto Trait Implementations

impl RefUnwindSafe for TokenContext

impl Send for TokenContext

impl Sync for TokenContext

impl Unpin for TokenContext

impl UnwindSafe for TokenContext

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> Send for T where
T: ?Sized,

impl<T> Sync for T where
T: ?Sized,