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TokenSliceRef

Struct TokenSliceRef 

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pub struct TokenSliceRef<'a> { /* private fields */ }
Expand description

参照ベースのトークンスライス(クローンなし)

マクロ本体のパース時など、既存の interner/files を借用して使う場合に使用。 これにより高コストなクローン操作を回避できる。

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impl<'a> TokenSliceRef<'a>

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pub fn new( tokens: Vec<Token>, interner: &'a StringInterner, files: &'a FileRegistry, ) -> Self

新しい TokenSliceRef を作成

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pub fn next_token(&mut self) -> Result<Token>

次のトークンを取得

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pub fn interner(&self) -> &StringInterner

StringInterner への参照を取得

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pub fn files(&self) -> &FileRegistry

FileRegistry への参照を取得

Trait Implementations§

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impl<'a> TokenSource for TokenSliceRef<'a>

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fn next_token(&mut self) -> Result<Token>

次のトークンを取得
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fn unget_token(&mut self, token: Token)

トークンを先読みバッファに戻す
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fn interner(&self) -> &StringInterner

StringInterner への参照を取得
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fn interner_mut(&mut self) -> &mut StringInterner

StringInterner への可変参照を取得
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fn files(&self) -> &FileRegistry

FileRegistry への参照を取得
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fn is_file_in_target(&self, file_id: FileId) -> bool

指定されたファイルがターゲットディレクトリ内かどうかを判定 デフォルト実装は常に false を返す(TokenSlice など)

Auto Trait Implementations§

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impl<'a> Freeze for TokenSliceRef<'a>

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impl<'a> RefUnwindSafe for TokenSliceRef<'a>

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impl<'a> Send for TokenSliceRef<'a>

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impl<'a> Sync for TokenSliceRef<'a>

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impl<'a> Unpin for TokenSliceRef<'a>

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impl<'a> UnsafeUnpin for TokenSliceRef<'a>

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impl<'a> UnwindSafe for TokenSliceRef<'a>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.