agb/website/backtrace/src/lib.rs

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Rust
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2024-04-18 09:44:13 +10:00
use agb_debug::{addr2line::Context, load_dwarf, Addr2LineContext};
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
pub fn decode_backtrace(backtrace: &str) -> Result<Vec<u32>, JsError> {
Ok(agb_debug::gwilym_decode(backtrace)?.collect())
}
#[wasm_bindgen]
pub struct DebugFile {
dwarf: Addr2LineContext,
}
#[wasm_bindgen(getter_with_clone)]
pub struct AddressInfo {
pub filename: String,
pub function_name: String,
pub line_number: u32,
pub column: u32,
pub is_interesting: bool,
pub is_inline: bool,
}
#[wasm_bindgen]
impl DebugFile {
#[wasm_bindgen(constructor)]
pub fn new(data: &[u8]) -> Result<DebugFile, JsError> {
Ok(DebugFile {
dwarf: Context::from_dwarf(load_dwarf(data)?)?,
})
}
pub fn address_info(&self, address: u32) -> Result<Vec<AddressInfo>, JsError> {
let info = agb_debug::address_info(&self.dwarf, address.into())?;
let address_infos = info
.into_iter()
.map(|x| AddressInfo {
filename: x.location.filename,
line_number: x.location.line,
column: x.location.col,
is_interesting: x.is_interesting,
is_inline: x.is_inline,
function_name: x.function,
})
.collect();
Ok(address_infos)
}
}