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109 Commits

Author SHA1 Message Date
Jeffrey Seyfried
2a1d2edb82 Declarative macros 2.0 without hygiene. 2017-05-25 05:51:06 +00:00
est31
25b7f10c78 Address review comments 2017-05-15 07:38:39 +02:00
est31
d14d194f61 Support #[allow] etc logic on a per macro level 
This commit extends the current unused macro linter
to support directives like #[allow(unused_macros)]
or #[deny(unused_macros)] directly next to the macro
definition, or in one of the modules the macro is
inside. Before, we only supported such directives
at a per crate level, due to the crate's NodeId
being passed to session.add_lint.

We also had to implement handling of the macro's
NodeId in the lint visitor.
 2017-05-13 16:02:29 +02:00
est31
df188b8f97 Add lint for unused macros 2017-05-13 16:02:29 +02:00
Oliver Schneider
a54bbf2cb3 Weave the span of an import through the resolve code 2017-05-12 11:21:11 +02:00
Oliver Schneider
e2f781c7ea
Example usage of multiple suggestions 2017-05-10 13:20:27 +02:00
Oliver Schneider
dd87eabd83 Remove need for &format!(...) or &&"" dances in span_label calls 2017-05-08 12:56:15 +02:00
Alex Burka
e0cd76674d feature gate :vis matcher 2017-04-15 19:06:58 +00:00
Jeffrey Seyfried
6a9448b523 Fix bug parsing #[derive] macro invocations. 2017-04-03 23:02:49 +00:00
Jeffrey Seyfried
737511ee11 Ensure that macro resolutions in trait positions get finalized. 2017-03-27 05:22:18 +00:00
Jeffrey Seyfried
d64d3814c4 Rename builtin => global. 2017-03-24 21:06:01 +00:00
Jeffrey Seyfried
64e9af47f4 Allow declarative macros 2.0 and use macro imports to shadow builtin macros. 2017-03-24 21:05:52 +00:00
Corey Farwell
880f03b28c Rollup merge of #40509 - jseyfried:duplicate_check_macro_exports, r=nrc 
Forbid conflicts between macros 1.0 exports and macros 2.0 exports

This PR forbids for conflicts between `#[macro_export]`/`#[macro_reexport]` macro exports and `pub use` macro exports. For example,
```rust
// crate A:
pub use macros::foo;
//^ This is allowed today, will be forbidden by this PR.

// crate B:
extern crate A; // This triggers a confusing error today.
use A::foo; // This could refer to refer to either macro export in crate A.
```

r? @nrc
 2017-03-22 19:30:23 -04:00
Jeffrey Seyfried
bd862d29d3
Fix bug in legacy #[derive] processing logic. 2017-03-21 16:53:34 -04:00
Jeffrey Seyfried
678e882ce2
Check for conflicts between macros 1.0 exports (#[macro_export], #[macro_reexport]) 
and macros 2.0 exports (`pub use` macro re-exports and `pub macro` (once implemented)
at the crate root.
 2017-03-21 16:23:18 -04:00
bors
9c15de4fd5 Auto merge of #40346 - jseyfried:path_and_tokenstream_attr, r=nrc 
`TokenStream`-based attributes, paths in attribute and derive macro invocations

This PR
 - refactors `Attribute` to use  `Path` and `TokenStream` instead of `MetaItem`.
 - supports macro invocation paths for attribute procedural macros.
   - e.g. `#[::foo::attr_macro] struct S;`, `#[cfg_attr(all(), foo::attr_macro)] struct S;`
 - supports macro invocation paths for derive procedural macros.
   - e.g. `#[derive(foo::Bar, super::Baz)] struct S;`
 - supports arbitrary tokens as arguments to attribute procedural macros.
   - e.g. `#[foo::attr_macro arbitrary + tokens] struct S;`
 - supports using arbitrary tokens in "inert attributes" with derive procedural macros.
   - e.g. `#[derive(Foo)] struct S(#[inert arbitrary + tokens] i32);`
where `#[proc_macro_derive(Foo, attributes(inert))]`

r? @nrc
 2017-03-19 10:56:08 +00:00
Jeffrey Seyfried
839c2860cc Liberalize attributes. 2017-03-14 04:39:21 +00:00
Jeffrey Seyfried
68c1cc68b4 Refactor Attribute to use Path and TokenStream instead of MetaItem. 2017-03-14 04:03:43 +00:00
Corey Farwell
8d1c5700f0 Rollup merge of #40369 - petrochenkov:segspan, r=eddyb 
Give spans to individual path segments in AST

And use these spans in path resolution diagnostics.

The spans are spans of identifiers in segments, not whole segments. I'm not sure what spans are more useful in general, but identifier spans are a better fit for resolve errors.

HIR still doesn't have spans.

Fixes https://github.com/rust-lang/rust/pull/38927#discussion_r95336667 https://github.com/rust-lang/rust/pull/38890#issuecomment-271731008

r? @nrc @eddyb
 2017-03-12 12:48:46 -04:00
Vadim Petrochenkov
ffdcf74866 resolve: Use path segment spans in smart_resolve_path 2017-03-10 08:21:45 -08:00
Vadim Petrochenkov
32575a0487 Give spans to individual path segments in AST 2017-03-10 08:21:45 -08:00
Jeffrey Seyfried
8c98996934 Avoid using Mark and Invocation for macro defs. 2017-03-10 08:08:32 -08:00
Jeffrey Seyfried
e839486318 Move resolve_invoc from syntax to resolve. 2017-03-10 08:08:32 -08:00
Jeffrey Seyfried
212b6c2550 Refactor out ast::ItemKind::MacroDef. 2017-03-10 08:08:32 -08:00
Jeffrey Seyfried
9fe7d3ffe4 Fix const expression macro invocations. 2017-03-05 23:58:19 +00:00
Jeffrey Seyfried
f6eaaf350e Integrate TokenStream. 2017-03-03 02:15:37 +00:00
Eduard-Mihai Burtescu
a6a5c32e0e Rollup merge of #39953 - keeperofdakeys:macro-error, r=jseyfried 
Provide suggestions for unknown macros imported with `use`

cc https://github.com/rust-lang/rust/issues/30197

r? @jseyfried
 2017-02-25 14:13:23 +02:00
Josh Driver
da6dc5331f Add macro suggestions for macros imported with use 
This commit searchs modules for macro suggestions.
It also removes imported macro_rules from macro_names,
and adds more corner case checks for which macros
should be suggested in specific contexts.
 2017-02-23 20:28:35 +10:30
Josh Driver
4ecdc68153 Move MacroKind into Def::Macro 2017-02-23 20:12:33 +10:30
Austin Bonander
dac25e2b27 Don't assume plugin-whitelisted attributes are proc macro attributes 
closes #40001
 2017-02-22 15:43:03 -08:00
Vadim Petrochenkov
bf95c29c98 Privatize fields of PathResolution 
Ensure Def::Err has depth == 0
 2017-02-19 00:34:08 +03:00
Josh Driver
2d91e7aab8 Refactor macro resolution errors + add derive macro suggestions 2017-02-16 22:03:15 +10:30
Jeffrey Seyfried
2cc61eebb7 Allow using inert attributes from proc_macro_derives with #![feature(proc_macro)]. 2017-02-12 07:20:04 +00:00
Jeffrey Seyfried
4b413bc393 Move legacy custom derives collection into resolver.find_attr_invoc(). 2017-02-12 03:22:52 +00:00
Josh Driver
fbdd038866 Move derive macro expansion into the MacroExpander 
This removes the expand_derives function, and sprinkles
the functionality throughout the Invocation Collector,
Expander and Resolver.
 2017-02-05 09:31:02 +10:30
Jeffrey Seyfried
356fa2c5db Warn on unused #[macro_use] imports. 2017-01-22 01:31:00 +00:00
Austin Bonander
375cbd20cf Implement #[proc_macro_attribute] 
* Add support for `#[proc_macro]`

* Reactivate `proc_macro` feature and gate `#[proc_macro_attribute]` under it

* Have `#![feature(proc_macro)]` imply `#![feature(use_extern_macros)]`,
error on legacy import of proc macros via `#[macro_use]`
 2017-01-16 22:41:22 -08:00
Vadim Petrochenkov
2092682191 resolve: Do not use "resolve"/"resolution" in error messages 2017-01-12 10:08:27 +03:00
Josh Driver
e9b5839918 Style fixes 2016-12-31 17:55:59 +10:30
Josh Driver
22f788c644 Stop macro calls in structs for proc_macro_derive from panicing 2016-12-31 17:19:23 +10:30
Jeffrey Seyfried
41f1e189ee Use DefIds instead of NodeIds for pub(restricted) visibilities. 2016-12-24 00:23:03 +00:00
bors
467a7f049b Auto merge of #38533 - jseyfried:legacy_custom_derive_deprecation, r=nrc 
Allow legacy custom derive authors to disable warnings in downstream crates

This PR allows legacy custom derive authors to use a pre-deprecated method `registry.register_custom_derive()` instead of `registry.register_syntax_extension()` to avoid downstream deprecation warnings.

r? @nrc
 2016-12-23 18:43:12 +00:00
Jeffrey Seyfried
c12fc66a9d Allow legacy custom derive authors to disable warnings in downstream crates. 2016-12-23 05:49:34 +00:00
Jeffrey Seyfried
f10f50b426 Refactor how global paths are represented (for both ast and hir). 2016-12-22 06:14:35 +00:00
Alex Crichton
0cf7d5dcae Merge branch 'rfc_1560_warning_cycle' of https://github.com/jseyfried/rust into rollup 
Conflicts:
	src/librustc_resolve/lib.rs
	src/librustc_resolve/resolve_imports.rs
 2016-12-20 13:00:16 -08:00
Jeffrey Seyfried
8d9ba291f5 Minor bugfix for macro invocation path resolution. 2016-12-19 20:57:02 +00:00
Jeffrey Seyfried
8e61ff25d8 Optimize ast::PathSegment. 2016-12-19 20:57:00 +00:00
Jeffrey Seyfried
421c5d11c1 Remove scope placeholders, remove method add_macro of ext::base::Resolver. 2016-12-18 23:26:30 +00:00
Jeffrey Seyfried
e80d1a8faf Remove MacroDef's fields imported_from and allow_internal_unstable, 
remove `export` argument of `resolver.add_macro()`.
 2016-12-18 23:26:29 +00:00
Jeffrey Seyfried
59de7f8f04 Add ident.unhygienize() and use Ident more instead of Name in resolve. 2016-12-18 23:26:22 +00:00