use libc::c_void;
use std::path::PathBuf;
pub trait Symbol: Sized {
fn name(&self) -> Option<Vec<u8>>;
fn lineno(&self) -> Option<u32>;
fn filename(&self) -> Option<PathBuf>;
}
impl Symbol for backtrace::Symbol {
fn name(&self) -> Option<Vec<u8>> {
self.name().map(|name| name.as_bytes().to_vec())
}
fn lineno(&self) -> Option<u32> {
self.lineno()
}
fn filename(&self) -> Option<std::path::PathBuf> {
self.filename().map(|filename| filename.to_owned())
}
}
pub trait Frame: Sized + Clone {
type S: Symbol;
fn resolve_symbol<F: FnMut(&Self::S)>(&self, cb: F);
#[allow(dead_code)]
fn symbol_address(&self) -> *mut c_void;
#[allow(dead_code)]
fn ip(&self) -> usize;
}
pub trait Trace {
type Frame;
fn init() {}
fn trace<F: FnMut(&Self::Frame) -> bool>(_: *mut libc::c_void, cb: F)
where
Self: Sized;
}
pub mod framehop_unwinder;
pub use framehop_unwinder::Trace as TraceImpl;