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;
13extern crate icu_capi;
14extern crate libz_sys;
15
16// The jsimpls module just implements traits so can be private
17mod jsimpls;
18
19// Modules with public definitions
20pub mod glue;
21pub mod jsgc;
22pub mod jsid;
23pub mod jsval;
24pub mod trace;
25
26// Reexport the bindings in the jsapi module
27pub use crate::generated::root as jsapi;
28
29// The bindings generated by bindgen
30#[doc(hidden)]
31#[allow(dead_code)]
32mod generated {
33    include!(concat!(env!("OUT_DIR"), "/build/jsapi.rs"));
34}
35
36/*fn panic_hook(info: &std::panic::PanicInfo) {
37    eprint!("Panic from mozjs: {}", info);
38}*/
39
40/// Configure a panic hook to redirect rust panics to MFBT's MOZ_Crash.
41/// See <https://searchfox.org/mozilla-esr115/source/mozglue/static/rust/lib.rs#106>
42#[no_mangle]
43pub extern "C" fn install_rust_hooks() {
44    //std::panic::set_hook(Box::new(panic_hook));
45    #[cfg(feature = "oom_with_hook")]
46    oom_hook::install();
47}
48
49#[cfg(feature = "oom_with_hook")]
50mod oom_hook {
51    use std::alloc::{set_alloc_error_hook, Layout};
52
53    extern "C" {
54        pub fn RustHandleOOM(size: usize) -> !;
55    }
56
57    pub fn hook(layout: Layout) {
58        unsafe {
59            RustHandleOOM(layout.size());
60        }
61    }
62
63    pub fn install() {
64        set_alloc_error_hook(hook);
65    }
66}
mozjs_sys/lib.rs

mozjs_sys/
lib.rs
