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