Struct Parser

Source
pub struct Parser<'arena, 'token_ref, Flavor> { /* private fields */ }
Expand description

通用解析器结构体

§泛型参数

  • 'arena - 内存池生命周期,用于分配AST节点
  • 'token_ref - 令牌引用生命周期
  • Flavor - 解析器类型标记(Standard 或 Unary)

Implementations§

Source§

impl<'arena, 'token_ref> Parser<'arena, 'token_ref, BaseParser>

Source

pub fn try_new( tokens: &'token_ref [Token<'arena>], bump: &'arena Bump, ) -> Result<Self, ParserError>

尝试创建新的基础解析器

§参数
  • tokens - 令牌数组
  • bump - 内存分配池
§返回值

返回解析器或解析错误

Source

pub fn standard(self) -> Parser<'arena, 'token_ref, Standard>

转换为标准解析器 标准解析器支持完整的表达式语法

Source

pub fn unary(self) -> Parser<'arena, 'token_ref, Unary>

转换为一元解析器 一元解析器专门用于布尔表达式求值

Source§

impl<'arena, 'token_ref, Flavor> Parser<'arena, 'token_ref, Flavor>

Source

pub fn with_metadata(self) -> Parser<'arena, 'token_ref, Flavor>

启用元数据收集 收集节点的位置信息等元数据

Source§

impl<'arena, 'token_ref> Parser<'arena, 'token_ref, Standard>

Source

pub fn parse(&self) -> ParserResult<'arena>

执行标准解析 解析完整的表达式并返回解析结果

Source§

impl<'arena, 'token_ref> Parser<'arena, 'token_ref, Unary>

Source

pub fn parse(&self) -> ParserResult<'arena>

Trait Implementations§

Source§

impl<'arena, 'token_ref, Flavor: Debug> Debug for Parser<'arena, 'token_ref, Flavor>

Source§

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl<'arena, 'token_ref, Flavor> !Freeze for Parser<'arena, 'token_ref, Flavor>

§

impl<'arena, 'token_ref, Flavor> !RefUnwindSafe for Parser<'arena, 'token_ref, Flavor>

§

impl<'arena, 'token_ref, Flavor> !Send for Parser<'arena, 'token_ref, Flavor>

§

impl<'arena, 'token_ref, Flavor> !Sync for Parser<'arena, 'token_ref, Flavor>

§

impl<'arena, 'token_ref, Flavor> Unpin for Parser<'arena, 'token_ref, Flavor>
where Flavor: Unpin,

§

impl<'arena, 'token_ref, Flavor> !UnwindSafe for Parser<'arena, 'token_ref, Flavor>

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T> Instrument for T

Source§

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

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

fn in_current_span(self) -> Instrumented<Self>

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

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

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.

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
Source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
Source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

Source§

fn vzip(self) -> V

Source§

impl<T> WithSubscriber for T

Source§

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
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

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