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Author SHA1 Message Date
stepnivlk
a4b67ee195 Mention no merge policy in the CONTRIBUTING guide 2019-03-16 19:16:27 +01:00
bors
52e885628e Auto merge of #58556 - oli-obk:imperative_recursion, r=pnkfelix 
Optimize copying large ranges of undefmask blocks

Hopefully fixes #58523
 2019-03-15 19:24:15 +00:00
bors
ad8a3eb039 Auto merge of #58140 - eddyb:advent-of-print, r=nikomatsakis 
Refactor ppaux out of existence.

A long-time coming, this PR reorganizes and rewrites the pretty-printing architecture of rustc, specifically the parts that involve the typesystem (which used to be in `rustc::util::ppaux`).

*Note: these commits used to be in #57967 before being split off.*

The new API (i.e. the `Printer` and `PrettyPrint` traits) is in `rustc::ty::print`.

Design points, roughly:
* using associated types in `Printer` to allow building e.g. an AST, not just printing as a side-effect
* several overloading points for implementers of `PrettyPrinter`, e.g. how `<...>` is printed
* for `fmt::Display` impls, the value to print is lifted to the `ty::tls` `tcx`, and everything after that stays within the `ty::print` API, which requires `'tcx` to match between values and the printer's `tcx`, without going through `fmt::Display` again

Most of the behavior is unchanged, except for a few details, which should be clear from the test changes.

r? @nikomatsakis

Fixes https://github.com/rust-lang/rust/issues/55464
 2019-03-15 13:58:03 +00:00
Eduard-Mihai Burtescu
dbf19c3975 rustbuild: remove obsolete fulldeps behavior from src/test/pretty tests, and enable them by default. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
0ee059d5a0 Fix rebase fallout and address some review comments. 2019-03-15 13:25:10 +02:00
Ralf Jung
4653ae1e3e we can now print on entering/leaving the topmost frame, and make sure it stays that way 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
22d6c55cdf rustc: print ExistentialProjection with spaces around =, e.g. dyn Foo<A = X>. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
a54a41ce47 rustc: provide DisambiguatedDefPathData in ty::print. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
8619edede1 rustc: slice substs in ty::print instead of passing the full ones. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
9df7c3f48f rustc: let ty::print::pretty's p! macro call arbitrary methods. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
52b4f2daa0 rustc: remove PrintCx from ty::Print and rely on printers carrying TyCtxt. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
2a656828ac rustc: remove the ability for pretty-printers to override nesting. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
c0c485c3ad rustc: don't thread existential projections through path_generic_args. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
ffa00d4628 rustc: make pretty_path_generic_args' task as simple as possible. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
4deaa69b42 rustc: print elided regions as '_ instead of nothing, and use a separate check when optional. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
72690d24f0 rustc: always hide defaulted generic args, even in verbose mode. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
381fa7aa18 rustc: move ty::print::PrintConfig's fields to FmtPrinter. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
1a0f3a2856 rustc: streamline the Print/fmt::Display impls in ppaux and move them to ty::print::pretty. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
030cdc9729 rustc: remove obsolete hacks from ppaux, relating to normalization under HRTB. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
fb53bb9e2b rustc: move Debug impls from ppaux to ty::structural_impls. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
9c424850e8 rustc: disconnect all the Debug functionality from ty::print. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
d0a1bf5c88 rustc: make util::ppaux private. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
800ddb367e rustc: remove fields from ty::print::PrintConfig available from tcx. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
55871aad9a rustc: split out the pretty-printing parts of ty::print into a separate module. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
26f180705a rustc: move ty/print.rs to ty/print/mod.rs. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
6d67d6846c rustc_codegen_utils: print all nominal types as paths, in symbol names. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
5211e37b1d rustc: don't pass Namespace explicitly, but rather track it in FmtPrinter. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
ab26b26d34 rustc: introduce a ty::print::PrettyPrinter helper for printing "<...>". 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
35e5123f51 rustc: support overriding type printing in ty::print::Printer. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
88d96b269c rustc: support overriding region printing in ty::print::Printer. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
fc914aa88a rustc: centralize region printing in ty::RegionKind's Print impl. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
cafd83d1d5 rustc: don't keep RegionHighlightMode in a thread-local. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
7c4eecef0b rustc: pass ty::print::PrintCx by value. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
ab5d6fb302 rustc: remove the closure from ppaux's p! macro (by making ? implicit). 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
37e918526a rustc: split off most of ty::print::PrintCx's fields into a separate struct. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
5616ca857d rustc: uniformize ty::print's error handling by requiring Result. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
972af5e808 rustc: rename ppaux' print macro to just p and make its cx input implicit. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
387ea61ec1 rustc: make ppaux' print macro use only one closure. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
27ddf2cec8 rustc: replace node_path_str with uses of def_path_str. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
36f64f15fc rustc: remove ty::print::FORCE_ABSOLUTE altogether. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
66cc029dd7 rustc: assert ty::print::FORCE_ABSOLUTE isn't needed anymore. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
df6650f38c rustc: move ...::<impl ...> printing into pretty_path_qualified. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
39fd54a418 rustc: move the FORCE_IMPL_FILENAME_LINE hack into print_def_path. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
aec5a48481 rustc: move <...>-less impl path special-case to pretty_path_qualified. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
a15bfc6f48 rustc: merge PrintCx::parameterized and def_path printing. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
b0fbca953f rustc: integrate LocalPathPrinter's behavior into FmtPrinter. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
9f8aaa04e0 rustc: move the contents of ty::item_path to ty::print. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
e0c75ff40d rustc: rename item_path to def_path (except the module in ty). 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
f1af5a77a0 rustc: remove TyCtxt::parent_def_id in favor of TyCtxt::parent. 2019-03-15 13:25:10 +02:00
Eduard-Mihai Burtescu
6ca6c1a6cc rustc_mir: adjust the type_length_limit diagnostic to be more useful. 2019-03-15 13:25:10 +02:00