mozjs_sys/
lib.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5#![allow(unused_extern_crates)]
6#![cfg_attr(feature = "crown", feature(register_tool))]
7#![cfg_attr(feature = "crown", register_tool(crown))]
8#![cfg_attr(feature = "oom_with_hook", feature(alloc_error_hook))]
9
10// These extern crates are needed for linking
11extern crate encoding_c;
12extern crate encoding_c_mem;
13#[cfg(feature = "intl")]
14extern crate icu_capi;
15#[cfg(feature = "libz-rs")]
16extern crate libz_rs_sys;
17#[cfg(feature = "libz-sys")]
18extern crate libz_sys;
19
20// The jsimpls module just implements traits so can be private
21mod jsimpls;
22
23// Modules with public definitions
24pub mod glue;
25pub mod jsgc;
26pub mod jsid;
27pub mod jsval;
28pub mod trace;
29
30// Reexport the bindings in the jsapi module
31pub use crate::generated::root as jsapi;
32
33// The bindings generated by bindgen
34#[doc(hidden)]
35#[allow(dead_code)]
36mod generated {
37    include!(concat!(env!("OUT_DIR"), "/build/jsapi.rs"));
38}
39
40/*fn panic_hook(info: &std::panic::PanicInfo) {
41    eprint!("Panic from mozjs: {}", info);
42}*/
43
44/// Configure a panic hook to redirect rust panics to MFBT's MOZ_Crash.
45/// See <https://searchfox.org/mozilla-esr115/source/mozglue/static/rust/lib.rs#106>
46#[no_mangle]
47pub extern "C" fn install_rust_hooks() {
48    //std::panic::set_hook(Box::new(panic_hook));
49    #[cfg(feature = "oom_with_hook")]
50    oom_hook::install();
51}
52
53#[cfg(feature = "oom_with_hook")]
54mod oom_hook {
55    use std::alloc::{set_alloc_error_hook, Layout};
56
57    extern "C" {
58        pub fn RustHandleOOM(size: usize) -> !;
59    }
60
61    pub fn hook(layout: Layout) {
62        unsafe {
63            RustHandleOOM(layout.size());
64        }
65    }
66
67    pub fn install() {
68        set_alloc_error_hook(hook);
69    }
70}
mozjs_sys/lib.rs

mozjs_sys/
lib.rs
