Function populate_trace_elements

src/native.rs:159–183

(jni_env: *mut JNIEnv, this: jobject)

}

unsafe fn populate_trace_elements(jni_env: *mut JNIEnv, this: jobject) -> Result<jobject, String> {
    // We will fill the stack trace field if it has changed and it's
    // a non-null array with length greater than 0.

    // Grab the field value
    let field_val = util::result_or_jni_ex((**jni_env).GetObjectField.unwrap()(jni_env,
                                                                               this,
                                                                               get_stack_trace_field(jni_env)?), jni_env)?;
    // Defer to original method
    let ret = get_our_trace_orig(jni_env, this)?;

    // Is the field value the same or did we get null back?
    if ret.is_null() || ret == field_val {
        return Result::Ok(ret);
    }

    // Is the result array size over 0?
    let ret_len = util::result_or_jni_ex((**jni_env).GetArrayLength.unwrap()(jni_env, ret), jni_env)?;
    if ret_len == 0 {
        return Result::Ok(ret);
    }

    add_element_params(jni_env, this, ret, ret_len)?;
    return Result::Ok(ret);
}

unsafe fn add_element_params(jni_env: *mut JNIEnv, this: jobject, elems: jobjectArray, elems_len: jsize) -> Result<(), String> {
    let params = util::result_or_jni_ex((**jni_env).GetObjectField.unwrap()(jni_env,