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MacroBeginInfo

Struct MacroBeginInfo 

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pub struct MacroBeginInfo {
    pub marker_id: TokenId,
    pub trigger_token_id: TokenId,
    pub macro_name: InternedStr,
    pub kind: MacroInvocationKind,
    pub call_loc: SourceLocation,
    pub is_wrapped: bool,
    pub preserve_call: bool,
}
Expand description

マクロ展開開始マーカーの情報

マクロ展開の開始位置を示し、展開元の情報を保持する。 パーサーはこのマーカーを透過的に処理し、ASTにマクロ情報を付与する。

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§marker_id: TokenId

このマーカーのID(MacroEnd との対応付け用)

§trigger_token_id: TokenId

展開を引き起こしたトークンのID

§macro_name: InternedStr

マクロ名

§kind: MacroInvocationKind

マクロの種類と引数

§call_loc: SourceLocation

展開が発生した位置(マクロ呼び出し位置)

§is_wrapped: bool

wrap 対象マクロの場合 true(assert 等の特殊処理用)

§preserve_call: bool

コード生成でマクロ呼び出しを保持するか

true の場合、パーサーは MacroCall AST ノードを生成し、 コード生成時にマクロ呼び出し形式で出力可能にする。 false の場合、展開形式のみが使用される。

以下の場合に false になる:

  • トークンペースト(##)を含むマクロ
  • explicit_expand_macros に登録されたマクロ(SvANY, SvFLAGS 等)

Trait Implementations§

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impl Clone for MacroBeginInfo

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fn clone(&self) -> MacroBeginInfo

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for MacroBeginInfo

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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 PartialEq for MacroBeginInfo

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for MacroBeginInfo

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

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