Enum erg_parser::token::TokenKind

source · [−]

#[repr(u8)]
pub enum TokenKind {
Show 78 variants    Symbol,
    NatLit,
    IntLit,
    RatioLit,
    BoolLit,
    StrLit,
    NoneLit,
    NoImplLit,
    EllipsisLit,
    InfLit,
    PrePlus,
    PreMinus,
    PreBitNot,
    Mutate,
    Try,
    Plus,
    Minus,
    Star,
    Slash,
    FloorDiv,
    Pow,
    Mod,
    Closed,
    RightOpen,
    LeftOpen,
    Open,
    BitAnd,
    BitOr,
    BitXor,
    Shl,
    Shr,
    Less,
    Gre,
    LessEq,
    GreEq,
    DblEq,
    NotEq,
    InOp,
    NotInOp,
    SubOp,
    IsOp,
    IsNotOp,
    AndOp,
    OrOp,
    DotOp,
    CrossOp,
    RefOp,
    RefMutOp,
    Equal,
    Walrus,
    FuncArrow,
    ProcArrow,
    LParen,
    RParen,
    LSqBr,
    RSqBr,
    LBrace,
    RBrace,
    Indent,
    Dedent,
    Dot,
    Pipe,
    Colon,
    DblColon,
    SupertypeOf,
    SubtypeOf,
    Comma,
    Caret,
    Amper,
    AtSign,
    VBar,
    UBar,
    Spread,
    Newline,
    Semi,
    Illegal,
    BOF,
    EOF,
}

Expand description

意味論的名前と記号自体の名前が混在しているが、Pythonの名残である

Variants

`Symbol`

e.g. i, p!, $s, T, +, and, ‘d/dx’

`NatLit`

`IntLit`

`RatioLit`

`BoolLit`

`StrLit`

`NoneLit`

`NoImplLit`

`EllipsisLit`

`InfLit`

`PrePlus`

+ (unary)

`PreMinus`

- (unary)

`PreBitNot`

~ (unary)

`Mutate`

! (unary)

`Try`

? (postfix)

`Plus`

+

`Minus`

-

`Star`

*

`Slash`

/

`FloorDiv`

//

`Pow`

**

`Mod`

%

`Closed`

..

`RightOpen`

..<

`LeftOpen`

<..

`Open`

<..<

`BitAnd`

&&

`BitOr`

||

`BitXor`

^^

`Shl`

<<

`Shr`

`Less`

<

`Gre`

`LessEq`

<=

`GreEq`

=

`DblEq`

==

`NotEq`

!=

`InOp`

in

`NotInOp`

notin

`SubOp`

sub (subtype of)

`IsOp`

is

`IsNotOp`

isnot

`AndOp`

and

`OrOp`

or

`DotOp`

dot (scalar product)

`CrossOp`

cross (vector product)

`RefOp`

ref (special unary)

`RefMutOp`

ref! (special unary)

`Equal`

=

`Walrus`

:=

`FuncArrow`

->

`ProcArrow`

=>

`LParen`

(

`RParen`

)

`LSqBr`

[

`RSqBr`

]

`LBrace`

{

`RBrace`

}

`Indent`

`Dedent`

`Dot`

.

`Pipe`

|>

`Colon`

:

`DblColon`

::

`SupertypeOf`

:>

`SubtypeOf`

<:

`Comma`

,

`Caret`

^

`Amper`

&

`AtSign`

@

`VBar`

|

`UBar`

_

`Spread`

…

`Newline`

\n

`Semi`

;

`Illegal`

`BOF`

Beginning Of File

`EOF`

Implementations

impl TokenKind

pub const fn category(&self) -> TokenCategory

pub const fn precedence(&self) -> Option<usize>

pub const fn is_right_associative(&self) -> bool

pub const fn is_range_op(&self) -> bool

Trait Implementations

impl Clone for TokenKind

fn clone(&self) -> TokenKind

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 TokenKind

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

Formats the value using the given formatter. Read more

impl Display for TokenKind

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

Formats the value using the given formatter. Read more

impl Hash for TokenKind

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

Feeds this value into the given Hasher. Read more

1.3.0 · source

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

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq<TokenKind> for TokenKind

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

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

1.0.0 · source

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

impl Copy for TokenKind

impl Eq for TokenKind

impl StructuralEq for TokenKind

impl StructuralPartialEq for TokenKind

Auto Trait Implementations

impl RefUnwindSafe for TokenKind

impl Send for TokenKind

impl Sync for TokenKind

impl Unpin for TokenKind

impl UnwindSafe for TokenKind

Blanket Implementations

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for Twhere
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, U> Into<U> for Twhere
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 Twhere
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)

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

impl<T> ToString for Twhere
T: Display + ?Sized,

default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for Twhere
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 Twhere
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.