1 #![feature(associated_type_defaults)]
2 #![feature(box_patterns)]
3 #![feature(exact_size_is_empty)]
4 #![feature(let_chains)]
5 #![feature(min_specialization)]
6 #![feature(stmt_expr_attributes)]
7 #![feature(trusted_step)]
8 #![recursion_limit = "256"]
9 #![deny(rustc::untranslatable_diagnostic)]
10 #![deny(rustc::diagnostic_outside_of_impl)]
11
12 #[macro_use]
13 extern crate tracing;
14 #[macro_use]
15 extern crate rustc_middle;
16
17 use rustc_ast::MetaItem;
18 use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
19 use rustc_fluent_macro::fluent_messages;
20 use rustc_hir::def_id::DefId;
21 use rustc_middle::ty::{self, TyCtxt};
22 use rustc_span::symbol::{sym, Symbol};
23
24 pub use self::drop_flag_effects::{
25 drop_flag_effects_for_function_entry, drop_flag_effects_for_location,
26 move_path_children_matching, on_all_children_bits, on_all_drop_children_bits,
27 on_lookup_result_bits,
28 };
29 pub use self::framework::{
30 fmt, graphviz, lattice, visit_results, Analysis, AnalysisDomain, AnalysisResults, Backward,
31 CallReturnPlaces, CloneAnalysis, Direction, Engine, Forward, GenKill, GenKillAnalysis,
32 JoinSemiLattice, Results, ResultsCloned, ResultsClonedCursor, ResultsCursor, ResultsRefCursor,
33 ResultsVisitable, ResultsVisitor, SwitchIntEdgeEffects,
34 };
35
36 use self::move_paths::MoveData;
37
38 pub mod drop_flag_effects;
39 pub mod elaborate_drops;
40 mod errors;
41 mod framework;
42 pub mod impls;
43 pub mod move_paths;
44 pub mod rustc_peek;
45 pub mod storage;
46 pub mod value_analysis;
47
48 fluent_messages! { "../messages.ftl" }
49
50 pub(crate) mod indexes {
51 pub(crate) use super::move_paths::MovePathIndex;
52 }
53
54 pub struct MoveDataParamEnv<'tcx> {
55 pub move_data: MoveData<'tcx>,
56 pub param_env: ty::ParamEnv<'tcx>,
57 }
58
has_rustc_mir_with(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Option<MetaItem>59 pub fn has_rustc_mir_with(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Option<MetaItem> {
60 for attr in tcx.get_attrs(def_id, sym::rustc_mir) {
61 let items = attr.meta_item_list();
62 for item in items.iter().flat_map(|l| l.iter()) {
63 match item.meta_item() {
64 Some(mi) if mi.has_name(name) => return Some(mi.clone()),
65 _ => continue,
66 }
67 }
68 }
69 None
70 }
71