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bors a7431167e0 Auto merge of #124545 - Zalathar:mappings, r=oli-obk 
coverage: Split off `mappings.rs` from `spans.rs` and `from_mir.rs`

Originally, `spans.rs` was mainly concerned with extracting and post-processing spans from MIR, so that they could be used for block coverage instrumentation.

Over time it has organically expanded to include more responsibilities, especially relating to branch coverage and MC/DC coverage, that don't really fit its current name.

This PR therefore takes all the extra code that is *not* part of the old span-refinement engine, and moves it out into a new `mappings.rs` file.

---

No functional changes. I have deliberately avoided doing any follow-up (such as renaming types or functions), because this particular change is very rot-prone, and I want it to be as simple and self-contained as possible.

`@rustbot` label +A-code-coverage
2024-04-30 11:08:12 +00:00
..
rustc
rustc_abi Rename inihibit_union_abi_opt() to inihibits_union_abi_opt() 2024-04-28 13:09:36 +05:30
rustc_arena rename ptr::invalid -> ptr::without_provenance 2024-02-21 20:15:52 +01:00
rustc_ast Add StaticForeignItem and use it on ForeignItemKind 2024-04-29 13:15:51 -03:00
rustc_ast_ir introduce Mutability::ptr_str 2024-04-10 18:51:09 +02:00
rustc_ast_lowering Rollup merge of #124524 - spastorino:make-foreign-static-use-struct, r=oli-obk 2024-04-30 06:43:42 +02:00
rustc_ast_passes Add StaticForeignItem and use it on ForeignItemKind 2024-04-29 13:15:51 -03:00
rustc_ast_pretty Rollup merge of #124524 - spastorino:make-foreign-static-use-struct, r=oli-obk 2024-04-30 06:43:42 +02:00
rustc_attr Rollup merge of #124324 - nnethercote:minor-ast-cleanups, r=estebank 2024-04-25 06:31:04 +02:00
rustc_baked_icu_data
rustc_borrowck Rollup merge of #124185 - beepster4096:move_data_base_local_infallible, r=pnkfelix 2024-04-29 22:37:50 +02:00
rustc_builtin_macros Rollup merge of #124382 - petrochenkov:itemvisit, r=lcnr 2024-04-27 07:55:37 +02:00
rustc_codegen_cranelift debuginfo: Stabilize -Z debug-macros, -Z collapse-macro-debuginfo and #[collapse_debuginfo] 2024-04-25 22:14:47 +03:00
rustc_codegen_gcc Error on using yield without also using #[coroutine] on the closure 2024-04-24 08:05:29 +00:00
rustc_codegen_llvm Auto merge of #124255 - RenjiSann:renji/mcdc-nested-expressions, r=Zalathar 2024-04-29 11:54:49 +00:00
rustc_codegen_ssa debuginfo: Stabilize -Z debug-macros, -Z collapse-macro-debuginfo and #[collapse_debuginfo] 2024-04-25 22:14:47 +03:00
rustc_const_eval properly fill a promoted's required_consts 2024-04-23 23:02:54 +02:00
rustc_data_structures Stabilize generic NonZero. 2024-04-22 18:48:47 +02:00
rustc_driver
rustc_driver_impl [Refactor] Rename Lint and LintGroup\'s is_loaded to is_externally_loaded 2024-04-29 15:57:09 +02:00
rustc_error_codes Error on using yield without also using #[coroutine] on the closure 2024-04-24 08:05:29 +00:00
rustc_error_messages Rename SubdiagnosticMessage as SubdiagMessage. 2024-03-05 12:14:49 +11:00
rustc_errors Auto merge of #124398 - klensy:trailing-ws, r=compiler-errors 2024-04-30 00:42:32 +00:00
rustc_expand Rollup merge of #124382 - petrochenkov:itemvisit, r=lcnr 2024-04-27 07:55:37 +02:00
rustc_feature debuginfo: Stabilize -Z debug-macros, -Z collapse-macro-debuginfo and #[collapse_debuginfo] 2024-04-25 22:14:47 +03:00
rustc_fluent_macro Rename SubdiagnosticMessage as SubdiagMessage. 2024-03-05 12:14:49 +11:00
rustc_fs_util Stabilize std::path::absolute 2024-04-24 14:35:02 +00:00
rustc_graphviz Invert diagnostic lints. 2024-02-06 13:12:33 +11:00
rustc_hir review comment: rename method 2024-04-25 18:26:36 +00:00
rustc_hir_analysis Fix ICE on invalid const param types 2024-04-27 09:36:38 +05:30
rustc_hir_pretty Rename BindingAnnotation to BindingMode 2024-04-17 09:34:39 -04:00
rustc_hir_typeck Rollup merge of #124437 - linyihai:doc-link-typeck, r=compiler-errors 2024-04-27 20:46:09 +02:00
rustc_incremental Fix ICE when there is a non-Unicode entry in the incremental crate directory 2024-04-21 11:24:55 +01:00
rustc_index Simplify static_assert_sizes. 2024-04-18 15:36:25 +10:00
rustc_index_macros rustc_index: Add a ZERO constant to index types 2024-04-03 19:06:22 +03:00
rustc_infer Rollup merge of #124218 - Xiretza:subsubdiagnostics, r=davidtwco 2024-04-23 17:25:17 +02:00
rustc_interface coverage: Replace boolean options with a CoverageLevel enum 2024-04-29 20:04:22 +10:00
rustc_lexer Improved the compiler code with clippy 2024-04-24 09:41:44 +02:00
rustc_lint Rollup merge of #124522 - blyxyas:refactor-is-loaded, r=jieyouxu 2024-04-29 18:03:25 +01:00
rustc_lint_defs [Refactor] Rename Lint and LintGroup\'s is_loaded to is_externally_loaded 2024-04-29 15:57:09 +02:00
rustc_llvm Rollup merge of #124287 - 41Leahcim:master, r=fmease 2024-04-25 18:57:56 +02:00
rustc_log Construct SourceMap at the same time as SessionGlobals. 2024-04-16 13:02:53 +10:00
rustc_macros Rollup merge of #124287 - 41Leahcim:master, r=fmease 2024-04-25 18:57:56 +02:00
rustc_metadata Error on using yield without also using #[coroutine] on the closure 2024-04-24 08:05:29 +00:00
rustc_middle Take proof trees by value in inspect goal 2024-04-29 17:06:34 -04:00
rustc_mir_build coverage. Split mcdc builder to a sub module of coverageinfo 2024-04-30 12:17:35 +08:00
rustc_mir_dataflow Rollup merge of #124185 - beepster4096:move_data_base_local_infallible, r=pnkfelix 2024-04-29 22:37:50 +02:00
rustc_mir_transform coverage: Split off mappings.rs from spans.rs and from_mir.rs 2024-04-30 13:17:21 +10:00
rustc_monomorphize Use non-exhaustive matches for TyKind 2024-04-17 20:49:53 +03:00
rustc_next_trait_solver Auto merge of #122077 - oli-obk:eager_opaque_checks4, r=lcnr 2024-04-08 23:01:50 +00:00
rustc_parse Add StaticForeignItem and use it on ForeignItemKind 2024-04-29 13:15:51 -03:00
rustc_parse_format Simplify static_assert_sizes. 2024-04-18 15:36:25 +10:00
rustc_passes ast: Generalize item kind visiting 2024-04-25 22:49:58 +03:00
rustc_pattern_analysis Pass translation closure to add_to_diag_with() as reference 2024-04-21 07:45:03 +00:00
rustc_privacy Actually create ranged int types in the type system. 2024-04-08 12:02:19 +00:00
rustc_query_impl Stabilize generic NonZero. 2024-04-22 18:48:47 +02:00
rustc_query_system Rollup merge of #124252 - michaelwoerister:better-forbidden-read-ice, r=oli-obk 2024-04-22 20:26:00 +02:00
rustc_resolve Add StaticForeignItem and use it on ForeignItemKind 2024-04-29 13:15:51 -03:00
rustc_sanitizers Update encode.rs 2024-04-14 14:56:41 +02:00
rustc_serialize Stabilise inline_const 2024-04-24 13:12:25 +01:00
rustc_session coverage: Replace boolean options with a CoverageLevel enum 2024-04-29 20:04:22 +10:00
rustc_smir Rollup merge of #122598 - Nadrieril:full-derefpats, r=matthewjasper 2024-04-23 17:25:15 +02:00
rustc_span debuginfo: Stabilize -Z debug-macros, -Z collapse-macro-debuginfo and #[collapse_debuginfo] 2024-04-25 22:14:47 +03:00
rustc_symbol_mangling Add simple async drop glue generation 2024-04-16 20:45:07 +03:00
rustc_target Auto merge of #117457 - daxpedda:wasm-nontrapping-fptoint, r=wesleywiser 2024-04-21 06:32:10 +00:00
rustc_trait_selection Split out instantiate_nested_goals 2024-04-29 17:06:34 -04:00
rustc_traits Merge check_mod_impl_wf and check_mod_type_wf 2024-03-07 06:27:09 +00:00
rustc_transmute ScalarInt: add methods to assert being a (u)int of given size 2024-04-19 13:51:52 +02:00
rustc_ty_utils Don't ICE when codegen_select returns ambiguity in new solver 2024-04-25 11:49:12 -04:00
rustc_type_ir Rollup merge of #124322 - whosehang:master, r=Nilstrieb 2024-04-25 00:19:54 +02:00
stable_mir Rollup merge of #122598 - Nadrieril:full-derefpats, r=matthewjasper 2024-04-23 17:25:15 +02:00