//! DWARF symbol resolver using addr2line
//!
//! Provides platform-specific symbol resolution using DWARF debug information.

use std::path::Path;
use std::sync::OnceLock;

use super::resolver::ResolvedFrame;

static DWARF_CONTEXT: OnceLock<bool> = OnceLock::new();

pub fn initialize_dwarf_resolver(binary_path: &Path) {
    DWARF_CONTEXT.set(binary_path.exists()).ok();
}

pub fn resolve_with_dwarf(_address: usize) -> Option<ResolvedFrame> {
    let _initialized = DWARF_CONTEXT.get()?;
    None
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_resolve_without_initialization() {
        let result = resolve_with_dwarf(0x1000);
        assert!(result.is_none());
    }

    #[test]
    fn test_initialize_dwarf_resolver_invalid_path() {
        initialize_dwarf_resolver(Path::new("/nonexistent/path"));
        let result = resolve_with_dwarf(0x1000);
        assert!(result.is_none());
    }
}
