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22 lines
852 B
Rust
22 lines
852 B
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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// This file defines the public interface for dynamically loaded plugins.
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// The plugin needs to do all interaction with the CLI crate through trait
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// objects and function pointers. This ensures that no concrete internal methods
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// (such as register_op and the closures created by it) can end up in the plugin
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// shared library itself, which would cause segfaults when the plugin is
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// unloaded and all functions in the plugin library are unmapped from memory.
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pub use crate::Op;
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pub use crate::OpId;
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pub use crate::OpResult;
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pub use crate::ZeroCopyBuf;
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pub type InitFn = fn(&mut dyn Interface);
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pub type DispatchOpFn = fn(&mut dyn Interface, Option<ZeroCopyBuf>) -> Op;
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pub trait Interface {
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fn register_op(&mut self, name: &str, dispatcher: DispatchOpFn) -> OpId;
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}
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