Struct wasmparser::CustomSectionReader

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

A reader for custom sections of a WebAssembly module.

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impl<'a> CustomSectionReader<'a>

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pub fn new(reader: BinaryReader<'a>) -> Result<CustomSectionReader<'a>>

Constructs a new CustomSectionReader for the given data and offset.

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pub fn name(&self) -> &'a str

The name of the custom section.

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pub fn data_offset(&self) -> usize

The offset, relative to the start of the original module or component, that the data payload for this custom section starts at.

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pub fn data(&self) -> &'a [u8]

The actual contents of the custom section.

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pub fn range(&self) -> Range<usize>

The range of bytes that specify this whole custom section (including both the name of this custom section and its data) specified in offsets relative to the start of the byte stream.

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pub fn as_known(&self) -> KnownCustom<'a>

Attempts to match and see if this custom section is statically known to wasmparser with any known section reader.

This will inspect self.name() and return a KnownCustom if the name matches a known custom section where there is a parser available for it. This can also be used as a convenience function for creating such parsers.

If the custom section name is not known, or if a reader could not be created, then KnownCustom::Unknown is returned.

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impl<'a> Clone for CustomSectionReader<'a>

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fn clone(&self) -> CustomSectionReader<'a>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'a> Debug for CustomSectionReader<'a>

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

Formats the value using the given formatter. 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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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.