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use crossbeam::queue::MsQueue;
use std::collections::{BTreeMap, HashMap};
use std::path::PathBuf;
use std::sync::Mutex;

#[derive(Debug, Clone, PartialEq)]
pub struct Function {
    pub start: u32,
    pub executed: bool,
}

#[derive(Debug, Clone, PartialEq)]
pub struct CovResult {
    pub lines: BTreeMap<u32, u64>,
    pub branches: BTreeMap<u32, Vec<bool>>,
    pub functions: HashMap<String, Function>,
}

#[derive(Debug, PartialEq, Copy, Clone)]
#[allow(non_camel_case_types)]
pub enum ItemFormat {
    GCNO,
    INFO,
    JACOCO_XML,
}

#[derive(Debug)]
pub struct GcnoBuffers {
    pub stem: String,
    pub gcno_buf: Vec<u8>,
    pub gcda_buf: Vec<Vec<u8>>,
}

#[derive(Debug)]
pub enum ItemType {
    Path(PathBuf),
    Content(Vec<u8>),
    Buffers(GcnoBuffers),
}

#[derive(Debug)]
pub struct WorkItem {
    pub format: ItemFormat,
    pub item: ItemType,
    pub name: String,
}

pub type WorkQueue = MsQueue<Option<WorkItem>>;

pub type CovResultMap = HashMap<String, CovResult>;
pub type SyncCovResultMap = Mutex<CovResultMap>;
pub type CovResultIter = Box<Iterator<Item = (PathBuf, PathBuf, CovResult)>>;