use super::ExecutionTrace;
use super::MergeCtx;
use super::TraceSlider;
use crate::TracePos;
use bimap::BiHashMap;
#[derive(Debug, Default, PartialEq)]
pub(crate) struct DataKeeper {
pub(crate) prev_ctx: MergeCtx,
pub(crate) current_ctx: MergeCtx,
pub(crate) new_to_prev_pos: BiHashMap<TracePos, TracePos>,
pub(crate) new_to_current_pos: BiHashMap<TracePos, TracePos>,
pub(crate) result_trace: ExecutionTrace,
}
impl DataKeeper {
pub(crate) fn from_trace(prev_trace: ExecutionTrace, current_trace: ExecutionTrace) -> Self {
let prev_ctx = MergeCtx::from_trace(prev_trace);
let current_ctx = MergeCtx::from_trace(current_trace);
Self {
prev_ctx,
current_ctx,
new_to_prev_pos: <_>::default(),
new_to_current_pos: <_>::default(),
result_trace: <_>::default(),
}
}
pub(crate) fn result_states_count(&self) -> usize {
self.result_trace.len()
}
pub(crate) fn result_trace_next_pos(&self) -> TracePos {
self.result_trace.trace_states_count().into()
}
pub(crate) fn prev_slider(&self) -> &TraceSlider {
&self.prev_ctx.slider
}
pub(crate) fn prev_slider_mut(&mut self) -> &mut TraceSlider {
&mut self.prev_ctx.slider
}
pub(crate) fn current_slider(&self) -> &TraceSlider {
&self.current_ctx.slider
}
pub(crate) fn current_slider_mut(&mut self) -> &mut TraceSlider {
&mut self.current_ctx.slider
}
}