1 use rustc_ast::ast::{self, MetaItem};
3 use rustc_span::symbol::{sym, Symbol};
5 pub(crate) use self::drop_flag_effects::*;
6 pub use self::framework::{
7 visit_results, Analysis, AnalysisDomain, Backward, BorrowckFlowState, BorrowckResults,
8 BottomValue, Engine, Forward, GenKill, GenKillAnalysis, Results, ResultsCursor,
9 ResultsRefCursor, ResultsVisitor,
12 use self::move_paths::MoveData;
14 pub mod drop_flag_effects;
19 pub(crate) mod indexes {
20 pub(crate) use super::{
21 impls::borrows::BorrowIndex,
22 move_paths::{InitIndex, MoveOutIndex, MovePathIndex},
26 pub struct MoveDataParamEnv<'tcx> {
27 pub(crate) move_data: MoveData<'tcx>,
28 pub(crate) param_env: ty::ParamEnv<'tcx>,
31 pub(crate) fn has_rustc_mir_with(attrs: &[ast::Attribute], name: Symbol) -> Option<MetaItem> {
33 if attr.check_name(sym::rustc_mir) {
34 let items = attr.meta_item_list();
35 for item in items.iter().flat_map(|l| l.iter()) {
36 match item.meta_item() {
37 Some(mi) if mi.has_name(name) => return Some(mi.clone()),