0fdf569571
* Move all rust crates (except lib) into crates dir, w/o nesting * Remove stale path from .gitattributes * Rename lib.rs files for easier navigation * Rename mod.rs file for easier navigation * Fix emscripten-version path * Fix fixtures dir paths * Use the default rustfmt settings * Don't use nightly on CI
23 lines
665 B
Rust
23 lines
665 B
Rust
#![no_std]
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/// `LanguageFn` wraps a C function that returns a pointer to a tree-sitter grammar.
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#[repr(transparent)]
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#[derive(Clone, Copy)]
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pub struct LanguageFn(unsafe extern "C" fn() -> *const ());
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impl LanguageFn {
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/// Creates a [`LanguageFn`].
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///
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/// # Safety
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///
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/// Only call this with language functions generated from grammars
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/// by the Tree-sitter CLI.
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pub const unsafe fn from_raw(f: unsafe extern "C" fn() -> *const ()) -> Self {
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Self(f)
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}
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/// Gets the function wrapped by this [`LanguageFn`].
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#[must_use]
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pub const fn into_raw(self) -> unsafe extern "C" fn() -> *const () {
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self.0
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}
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}
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