50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
use rustc_ast::{self as ast, MetaItem};
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use rustc_middle::ty;
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use rustc_session::Session;
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use rustc_span::symbol::{sym, Symbol};
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pub(crate) use self::drop_flag_effects::*;
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pub use self::framework::{
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fmt, lattice, visit_results, Analysis, AnalysisDomain, Backward, BorrowckFlowState,
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BorrowckResults, Engine, Forward, GenKill, GenKillAnalysis, JoinSemiLattice, Results,
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ResultsCursor, ResultsRefCursor, ResultsVisitor,
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};
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use self::move_paths::MoveData;
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pub mod drop_flag_effects;
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mod framework;
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pub mod impls;
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pub mod move_paths;
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pub(crate) mod indexes {
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pub(crate) use super::{
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impls::borrows::BorrowIndex,
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move_paths::{InitIndex, MoveOutIndex, MovePathIndex},
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};
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}
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pub struct MoveDataParamEnv<'tcx> {
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pub(crate) move_data: MoveData<'tcx>,
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pub(crate) param_env: ty::ParamEnv<'tcx>,
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}
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pub(crate) fn has_rustc_mir_with(
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sess: &Session,
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attrs: &[ast::Attribute],
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name: Symbol,
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) -> Option<MetaItem> {
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for attr in attrs {
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if sess.check_name(attr, sym::rustc_mir) {
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let items = attr.meta_item_list();
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for item in items.iter().flat_map(|l| l.iter()) {
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match item.meta_item() {
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Some(mi) if mi.has_name(name) => return Some(mi.clone()),
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_ => continue,
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}
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}
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}
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}
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None
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}
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