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ScopeManager

Struct ScopeManager 

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

Tracks syntactic nesting and block context during parsing.

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impl ScopeManager

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pub const fn new() -> Self

Creates a new, empty scope manager

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pub const fn nesting_depth(&self) -> i32

Returns the current nesting depth

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pub const fn current_block(&self) -> BlockType

Returns the current block type

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pub const fn in_nested_context(&self) -> bool

Returns true if we’re currently inside any nested structure

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pub fn enter_block(&mut self, block_type: BlockType)

Enters a new block (opening brace or bracket)

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pub fn exit_block(&mut self) -> Result<(), ScopeError>

Exits a block (closing brace or bracket)

Returns Ok(()) if the block nesting is balanced, or Err(()) if we’re trying to exit without having entered.

§Errors

Returns Err(ScopeError::UnbalancedExit) when an exit is attempted while the nesting depth is already zero.

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pub fn accumulated_content(&self) -> &str

Returns the accumulated content for multi-line directives

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pub fn accumulate(&mut self, text: &str)

Appends text to the accumulated content

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pub fn clear_accumulated(&mut self)

Clears the accumulated content

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pub const fn block_is_complete(&self) -> bool

Returns true if a multi-line block has been completed (balanced braces)

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pub fn reset(&mut self)

Resets the scope manager to the initial state

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impl Debug for ScopeManager

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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 ScopeManager

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fn default() -> Self

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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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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.