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NoExpandRegistry

Struct NoExpandRegistry 

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pub struct NoExpandRegistry { /* private fields */ }
Expand description

展開禁止情報の管理

トークンごとにマクロ展開禁止リストを管理する。 自己参照マクロの無限再帰を防止するために使用。

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impl NoExpandRegistry

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pub fn new() -> Self

新しいレジストリを作成

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pub fn add(&mut self, token_id: TokenId, macro_id: InternedStr)

トークンに展開禁止マクロを追加

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pub fn extend( &mut self, token_id: TokenId, macros: impl IntoIterator<Item = InternedStr>, )

トークンに複数の展開禁止マクロを追加

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pub fn is_blocked(&self, token_id: TokenId, macro_id: InternedStr) -> bool

指定トークンで指定マクロの展開が禁止されているか

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pub fn inherit(&mut self, from: TokenId, to: TokenId)

あるトークンの展開禁止リストを別のトークンに継承

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pub fn get(&self, token_id: TokenId) -> Option<&HashSet<InternedStr>>

トークンの展開禁止リストを取得(テスト用)

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pub fn is_empty(&self) -> bool

レジストリが空かどうか

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pub fn len(&self) -> usize

登録されているトークン数

Trait Implementations§

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impl Debug for NoExpandRegistry

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

Formats the value using the given formatter. Read more
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impl Default for NoExpandRegistry

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fn default() -> NoExpandRegistry

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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.