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408 commits

Author SHA1 Message Date
bors
126ad2b813 Auto merge of #68708 - Mark-Simulacrum:stage0-step, r=pietroalbini 
Step stage0 to bootstrap from 1.42

This also includes a commit which fixes the rustfmt downloading logic to redownload when the rustfmt channel changes, and bumps rustfmt to a more recent version.
 2020-02-04 14:16:18 +00:00
Mazdak Farrokhzad
eadff06823 syntax: reexport attr globals 2020-02-01 18:59:49 +01:00
Mazdak Farrokhzad
e233331a51 syntax::print -> new crate rustc_ast_pretty 2020-02-01 18:59:49 +01:00
Mazdak Farrokhzad
097d5e1c5e 1. move node_id to syntax 
2. invert rustc_session & syntax deps
3. drop rustc_session dep in rustc_hir
 2020-02-01 18:58:08 +01:00
Mazdak Farrokhzad
e03d1064f0 syntax: move GLOBALS to attr module 2020-02-01 18:54:55 +01:00
Mazdak Farrokhzad
50f0e2e9e6 {syntax -> rustc_ast_passes}::node_count 2020-02-01 18:54:55 +01:00
Mark Rousskov
31dcdc9e13 Drop cfg(bootstrap) code 2020-01-31 12:31:09 -05:00
Mazdak Farrokhzad
3ccb0f9b8f slice_patterns: remove internal uses of gate 2020-01-18 19:33:47 +01:00
Mazdak Farrokhzad
50d76d6471
Rollup merge of #68114 - ecstatic-morse:fix-feature-gating, r=Centril 
Don't require `allow_internal_unstable` unless `staged_api` is enabled.

#63770 changed `qualify_min_const_fn` to require `allow_internal_unstable` for *all* crates that used an unstable feature, regardless of whether `staged_api` was enabled or the `fn` that used that feature was stably const. In practice, this meant that every crate in the ecosystem that wanted to use nightly features added `#![feature(const_fn)]`, which skips `qualify_min_const_fn` entirely.

After this PR, crates that do not have `#![feature(staged_api)]` will only need to enable the feature they are interested in. For example, `#![feature(const_if_match)]` will be enough to enable `if` and `match` in constants. Crates with `staged_api` (e.g., `libstd`) require `#[allow_internal_unstable]` to be added to a function if it uses nightly features unless that function is also marked `#[rustc_const_unstable]`. This prevents proliferation of `#[allow_internal_unstable]` into functions that are not callable in a `const` context on stable.

r? @oli-obk (author of #63770)
cc @Centril
 2020-01-11 12:36:14 +01:00
Dylan MacKenzie
09b5c854de Remove unnecessary const_fn feature gates 
This flag opts out of the min-const-fn checks entirely, which is usually
not what we want. The few cases where the flag is still necessary have
been annotated.
 2020-01-10 18:51:12 -08:00
Mazdak Farrokhzad
ae213db0f5 {syntax -> rustc_ast_passes}::show_span 2020-01-11 03:30:20 +01:00
Mazdak Farrokhzad
6cbcb83022 {syntax -> rustc_ast_passes}::feature_gate 2020-01-11 03:30:20 +01:00
Mazdak Farrokhzad
f361b71a7d nix syntax::early_buffered_lints 2020-01-11 03:26:16 +01:00
Mazdak Farrokhzad
1af8c10bd4 simplify feature_err imports 2020-01-11 03:19:50 +01:00
Mazdak Farrokhzad
7c78090690 get_features -> rustc_parse::config 2020-01-11 03:17:36 +01:00
Mazdak Farrokhzad
6007641d21 gating diagnostics -> rustc_session::parse 2020-01-11 03:15:32 +01:00
Mazdak Farrokhzad
8bd3d240e3 nix syntax::errors & prefer rustc_errors over errors 2020-01-10 07:41:30 +01:00
Mazdak Farrokhzad
2c3e5d3de0 - remove syntax::{span_warn!, span_err!, span_fatal!. struct_err!} 
- remove syntax::{help!, span_help!, span_note!}
- remove unused syntax::{struct_span_fatal, struct_span_err_or_warn!, span_err_or_warn!}
- lintify check_for_bindings_named_same_as_variants + conflicting_repr_hints
- inline syntax::{struct_span_warn!, diagnostic_used!}
- stringify_error_code! -> error_code! & use it more.
- find_plugin_registrar: de-fatalize an error
- de-fatalize metadata errors
- move type_error_struct! to rustc_typeck
- struct_span_err! -> rustc_errors
 2020-01-08 04:25:33 +01:00
Mazdak Farrokhzad
ef08662613 hir::{hir,def,itemlikevisit,pat_util,print} -> rustc_hir 
Also fix fallout wrt. HashStable.
 2020-01-04 19:03:27 +01:00
Mazdak Farrokhzad
b1aad76586 Normalize syntax::edition imports. 2020-01-02 19:31:38 +01:00
Mazdak Farrokhzad
4ff12ce4c1 Normalize syntax::symbol imports. 2020-01-02 13:57:04 +01:00
Mazdak Farrokhzad
75e4783f63 Normalize syntax::source_map imports. 2020-01-02 13:57:04 +01:00
Vadim Petrochenkov
70f1d57048 Rename syntax_pos to rustc_span in source code 2020-01-01 09:15:18 +03:00
Simon Sapin
1c572a2d6e Stabilize the matches! macro 
Fixes https://github.com/rust-lang/rust/issues/65721

FCP: https://github.com/rust-lang/rust/issues/65721#issuecomment-569118119
 2019-12-27 14:07:16 +01:00
Mark Rousskov
a06baa56b9 Format the world 2019-12-22 17:42:47 -05:00
Mazdak Farrokhzad
a0d20935cc introduce 'type AttrVec' 2019-12-20 22:53:40 +01:00
varkor
e3a8ea4e18 Use to_option in various places 2019-12-06 12:23:23 +00:00
Mark Rousskov
52d4d478a1 Move ParseSess to librustc_session 2019-12-03 12:19:16 -05:00
Vadim Petrochenkov
a81804b4d5 syntax: Introduce a struct MacArgs for macro arguments 2019-12-02 21:56:34 +03:00
Mazdak Farrokhzad
79077f13ff move GateIssue to rustc_feature & simplify emit_feature_err 2019-11-30 07:40:28 +01:00
Mazdak Farrokhzad
b45f21d38e move UnstableFeatures -> rustc_feature 2019-11-30 02:50:47 +01:00
Mazdak Farrokhzad
db89679ebc inline two explanation constants 2019-11-30 02:40:45 +01:00
Mazdak Farrokhzad
70234f16df builtin_attrs.rs -> rustc_feature 2019-11-30 02:34:18 +01:00
Mazdak Farrokhzad
d04b838a44 move is_builtin_attr to syntax::attr 2019-11-30 02:20:07 +01:00
Mazdak Farrokhzad
6cab02cf14 simplify gated cfgs logic 2019-11-30 01:57:53 +01:00
Mazdak Farrokhzad
8ad4d15f38 move AttributeTemplate to builtin_attrs 2019-11-30 00:56:46 +01:00
Mazdak Farrokhzad
048201fa7a move Stability to rustc_feature 2019-11-30 00:39:51 +01:00
Mazdak Farrokhzad
3d080a4a77 introduce crate rustc_feature and move active, accepted, and removed to it 2019-11-30 00:25:40 +01:00
Camille GILLOT
782cc9f65c Derive HashStable for TokenKind. 2019-11-23 18:52:23 +01:00
Camille GILLOT
ce301075c0 Rename StableHashingContextLike to HashStableContext. 2019-11-23 17:57:00 +01:00
Camille GILLOT
31298b41d6 Invert implementations for TokenKind. 
Also export a bunch of Token-related impls.
 2019-11-22 20:01:45 +01:00
Camille GILLOT
0073d3be97 Export HashStable for DelimSpan, Lit and Path. 2019-11-22 20:01:43 +01:00
Camille GILLOT
1de5fdb5ba Add StableHashingContextLike to HashStable_Generic derive. 2019-11-22 19:56:20 +01:00
Mark Rousskov
c31a8754e3 Move JSON emitter to rustc_errors 2019-11-15 08:45:49 -05:00
Mark Rousskov
942f0a6f7a Move SourceMap to syntax_pos 
This does not update the use sites or delete the now unnecessary
SourceMapper trait, to allow git to interpret the file move as a rename
rather than a new file.
 2019-11-15 08:38:31 -05:00
Guillaume Gomez
798e389e57 Update to use new librustc_error_codes library 2019-11-14 13:05:42 +01:00
Mazdak Farrokhzad
4ae2728fa8 move syntax::parse -> librustc_parse 
also move MACRO_ARGUMENTS -> librustc_parse
 2019-11-10 03:57:18 +01:00
Mazdak Farrokhzad
be023ebe85 move config.rs to libsyntax_expand 2019-11-10 02:46:17 +01:00
Mazdak Farrokhzad
cc9c139694 move syntax::{parse::literal -> util::literal} 2019-11-07 13:59:13 +01:00
Mazdak Farrokhzad
27f97aa468 move syntax::parse::lexer::comments -> syntax::util::comments 2019-11-07 13:59:13 +01:00