mirror of
https://github.com/denoland/deno.git
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87 lines
2.4 KiB
Rust
87 lines
2.4 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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pub mod fs;
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pub mod fs_events;
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pub mod http;
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pub mod io;
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pub mod os;
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pub mod permissions;
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pub mod process;
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pub mod runtime;
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pub mod signal;
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pub mod tty;
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mod utils;
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pub mod web_worker;
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pub mod worker_host;
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use deno_core::error::AnyError;
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use deno_core::op_async;
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use deno_core::op_sync;
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use deno_core::serde::de::DeserializeOwned;
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use deno_core::serde::Serialize;
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use deno_core::JsRuntime;
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use deno_core::OpState;
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use std::cell::RefCell;
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use std::future::Future;
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use std::rc::Rc;
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pub fn reg_async<F, A, B, R, RV>(
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rt: &mut JsRuntime,
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name: &'static str,
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op_fn: F,
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) where
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F: Fn(Rc<RefCell<OpState>>, A, B) -> R + 'static,
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A: DeserializeOwned,
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B: DeserializeOwned,
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R: Future<Output = Result<RV, AnyError>> + 'static,
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RV: Serialize + 'static,
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{
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rt.register_op(name, op_async(op_fn));
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}
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pub fn reg_sync<F, A, B, R>(rt: &mut JsRuntime, name: &'static str, op_fn: F)
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where
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F: Fn(&mut OpState, A, B) -> Result<R, AnyError> + 'static,
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A: DeserializeOwned,
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B: DeserializeOwned,
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R: Serialize + 'static,
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{
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rt.register_op(name, op_sync(op_fn));
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}
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/// `UnstableChecker` is a struct so it can be placed inside `GothamState`;
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/// using type alias for a bool could work, but there's a high chance
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/// that there might be another type alias pointing to a bool, which
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/// would override previously used alias.
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pub struct UnstableChecker {
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pub unstable: bool,
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}
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impl UnstableChecker {
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/// Quits the process if the --unstable flag was not provided.
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///
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/// This is intentionally a non-recoverable check so that people cannot probe
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/// for unstable APIs from stable programs.
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// NOTE(bartlomieju): keep in sync with `cli/program_state.rs`
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pub fn check_unstable(&self, api_name: &str) {
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if !self.unstable {
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eprintln!(
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"Unstable API '{}'. The --unstable flag must be provided.",
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api_name
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);
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std::process::exit(70);
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}
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}
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}
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/// Helper for checking unstable features. Used for sync ops.
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pub fn check_unstable(state: &OpState, api_name: &str) {
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state.borrow::<UnstableChecker>().check_unstable(api_name)
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}
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/// Helper for checking unstable features. Used for async ops.
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pub fn check_unstable2(state: &Rc<RefCell<OpState>>, api_name: &str) {
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let state = state.borrow();
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state.borrow::<UnstableChecker>().check_unstable(api_name)
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}
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pub struct TestingFeaturesEnabled(pub bool);
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