fn analyze_gdb(
    gdb: Option<String>,
    target: &String,
    android_cross_path: &PathBuf,
) -> (Option<String>, Option<u32>, bool) {
    #[cfg(not(windows))]
    const GDB_FALLBACK: &str = "gdb";
    #[cfg(windows)]
    const GDB_FALLBACK: &str = "gdb.exe";

    const MIN_GDB_WITH_RUST: u32 = 7011010;

    let fallback_gdb = || {
        if is_android_gdb_target(target) {
            let mut gdb_path = match android_cross_path.to_str() {
                Some(x) => x.to_owned(),
                None => panic!("cannot find android cross path"),
            };
            gdb_path.push_str("/bin/gdb");
            gdb_path
        } else {
            GDB_FALLBACK.to_owned()
        }
    };

    let gdb = match gdb {
        None => fallback_gdb(),
        Some(ref s) if s.is_empty() => fallback_gdb(), // may be empty if configure found no gdb
        Some(ref s) => s.to_owned(),
    };

    let mut version_line = None;
    if let Ok(output) = Command::new(&gdb).arg("--version").output() {
        if let Some(first_line) = String::from_utf8_lossy(&output.stdout).lines().next() {
            version_line = Some(first_line.to_string());
        }
    }

    let version = match version_line {
        Some(line) => extract_gdb_version(&line),
        None => return (None, None, false),
    };

    let gdb_native_rust = version.map_or(false, |v| v >= MIN_GDB_WITH_RUST);

    (Some(gdb), version, gdb_native_rust)
}
/// Returns (Path to GDB, GDB Version, GDB has Rust Support)
Returns (Path to GDB, GDB Version, GDB has Rust Support)
Returns ( Path to GDB GDB Version GDB has Rust Support )
fn analyze_gdb(
    gdb: Option<String>,
    target: &String,
    android_cross_path: &PathBuf,
) -> (Option<String>, Option<u32>, bool) {
    #[cfg(not(windows))]
    const GDB_FALLBACK: &str = "gdb";
    #[cfg(windows)]
    const GDB_FALLBACK: &str = "gdb.exe";
    const MIN_GDB_WITH_RUST: u32 = 7011010;
    let fallback_gdb = || {
        if is_android_gdb_target(target) {
            let mut gdb_path = match android_cross_path.to_str() {
                Some(x) => x.to_owned(),
                None => panic!("cannot find android cross path"),
            };
            gdb_path.push_str("/bin/gdb");
            gdb_path
        } else {
            GDB_FALLBACK.to_owned()
        }
    };
    let gdb = match gdb {
        None => fallback_gdb(),
        Some(ref s) if s.is_empty() => fallback_gdb(), // may be empty if configure found no gdb
        Some(ref s) => s.to_owned(),
    };
    let mut version_line = None;
    if let Ok(output) = Command::new(&gdb).arg("--version").output() {
        if let Some(first_line) = String::from_utf8_lossy(&output.stdout).lines().next() {
            version_line = Some(first_line.to_string());
        }
    }
    let version = match version_line {
        Some(line) => extract_gdb_version(&line),
        None => return (None, None, false),
    };
    let gdb_native_rust = version.map_or(false, |v| v >= MIN_GDB_WITH_RUST);
    (Some(gdb), version, gdb_native_rust)
}
fn analyze_gdb ( gdb : Option < String > , target : & String , android_cross_path : & PathBuf , ) -> ( Option < String > , Option < u32 > , bool ) { # [ cfg ( not ( windows ) ) ] const GDB_FALLBACK : & str = " " ; # [ cfg ( windows ) ] const GDB_FALLBACK : & str = " " ; const MIN_GDB_WITH_RUST : u32 = 7011010 ; let fallback_gdb = | | { if is_android_gdb_target ( target ) { let mut gdb_path = match android_cross_path . to_str ( ) { Some ( x ) => x . to_owned ( ) , None => panic ! ( " " ) , } ; gdb_path . push_str ( " " ) ; gdb_path } else { GDB_FALLBACK . to_owned ( ) } } ; let gdb = match gdb { None => fallback_gdb ( ) , Some ( ref s ) if s . is_empty ( ) => fallback_gdb ( ) , // may be empty if configure found no gdb Some ( ref s ) => s . to_owned ( ) , } ; let mut version_line = None ; if let Ok ( output ) = Command :: new ( & gdb ) . arg ( " " ) . output ( ) { if let Some ( first_line ) = String :: from_utf8_lossy ( & output . stdout ) . lines ( ) . next ( ) { version_line = Some ( first_line . to_string ( ) ) ; } } let version = match version_line { Some ( line ) => extract_gdb_version ( & line ) , None => return ( None , None , false ) , } ; let gdb_native_rust = version . map_or ( false , | v | v >= MIN_GDB_WITH_RUST ) ; ( Some ( gdb ) , version , gdb_native_rust ) }
Returns (Path to GDB, GDB Version, GDB has Rust Support)
Returns ( Path to GDB GDB Version GDB has Rust Support )
gdb
Option<String>
target
&String
android_cross_path
&PathBuf
gdb
Option<String>
target
&String
android_cross_path
&PathBuf