1148: Add token_tree_to_xxx functions r=matklad a=edwin0cheng
<del>As discus in PR #1147 , this PR added a `mbe::MacroKind` .
Currently only 2 kind of macro are supported, `SourceFile` and `Block`.</del>
Added following functions for `tt::TokenTree` and `ast::Node` conversion:
* token_tree_to_expr
* token_tree_to_pat
* token_tree_to_ty
* token_tree_to_macro_stmts
* token_tree_to_macro_items
And added two new syntax kind:
* MACRO_ITEMS
* MACRO_STMTS
Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>
1145: Fix#1099, plug self type type parameters in infer_path_expr r=flodiebold a=edwin0cheng
As discussed in #1099, this PR try to "plug" a `self type` type parameters in `infer_path_expr`.
All the cases in 1099 was fixed and tested.
And luckily, this PR fixed bug #1030 again and make the test output correct.
Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>
1153: "Restart server" command r=jrvidal a=jrvidal
The only tricky aspect is that fact that once the `exit` command has been received, we no longer need to join on the reader thread.
Also, I think `terminateProcesses.sh` was not working properly. In fact, the very same script from the vscode language server implementation is not working either! It's because of that I noticed the reader thread issue 😮
Co-authored-by: Roberto Vidal <vidal.roberto.j@gmail.com>
This fixes the order in which candidates are chosen a bit (not completely
though, as the ignored test demonstrates), and makes autoderef work with trait
methods. As a side effect, this also makes completion of trait methods work :)
1137: Adds support for multiple editor workspaces on initialization r=matklad a=jrvidal
OK, so this "simple hack" turned out to be way more contrived than I expected 😂
### What works
This patch only handles multi-folder editor workspaces _on initialization_.
* I've found that modifying the layout of a workspace in VSCode just reloads the extension, so this hack should be enough for now.
* Not sure about how emacs-lsp behaves, but we fallback gracefully to the mono-folder workspace, so it should be fine.
### What doesn't work
* [x] `cargo watch` can only watch a single root folder with a `Cargo.toml`. I've left this part untouched but we could either warn that it's not supported or launch _multiple_ `cargo-watch` processes.
* [x] The `rust-analyzer/runnables` command is not functional, since we don't send the correct `cwd`.
* [x] Should we add some happy path test to `heavy_tests`?
* [ ] Going from a single `root` to multiple `roots` leaves us with a couple of `n * m` loops that smell a bit. The number of folders in the editor workspace is probably low though.
Co-authored-by: Roberto Vidal <vidal.roberto.j@gmail.com>
1138: Add L_DOLLAR and R_DOLLAR r=matklad a=edwin0cheng
As discussion in issue https://github.com/rust-analyzer/rust-analyzer/issues/1132 and PR #1125 , this PR add 2 `Syntax::Kind` : `L_DOLLAR` and `R_DOLLAR` for representing `Delimiter::None` in mbe and proc_marco. By design, It should not affect the final syntax tree, and will be discard in `TreeSink`.
My original idea is handling these 2 tokens case by case, but i found that they will appear in every place in the parser (imagine `tt` matcher). So this PR only handle it in `Parser::do_bump` and `Parser::start`, although It will not fix the `expr` matcher executing order problem in original idea.
Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>
- make it possible to get parent trait from method
- add 'obligation' machinery for checking that a type implements a
trait (and inferring facts about type variables from that)
- handle type parameters of traits (to a certain degree)
- improve the hacky implements check to cover enough cases to exercise the
handling of traits with type parameters
- basic canonicalization (will probably also be done by Chalk)
1122: Add explicit type assist. r=matklad a=marcogroppo
This assist can be used to specify the explicit type in let statements. For example `let num = 1;` becomes `let num: i32 = 1;`.
The assist is applicable only if the inferred type is fully known.
Co-authored-by: Marco Groppo <marco.groppo@gmail.com>
1105: [WIP] Implement ra_mbe meta variables support r=matklad a=edwin0cheng
This PR implements the following meta variable support in `ra_mba` crate (issue #720):
- [x] `path`
- [ ] `expr`
- [ ] `ty`
- [ ] `pat`
- [ ] `stmt`
- [ ] `block`
- [ ] `meta`
- [ ] `item`
*Implementation Details*
In the macro expanding lhs phase, if we see a meta variable type, we try to create a `tt:TokenTree` from the remaining input. And then we use a special set of `ra_parser` to parse it to `SyntaxNode`.
Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>
1119: Add warning when open file outside workspace r=matklad a=edwin0cheng
When file is not found in `ra_vfs` but exist, use `LspError` for warning instead of `error_fmt` to bail out error,
Temporarily fix#967 .
edit: typo
Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com>
1101: Parse unsafe async / const unsafe fns properly r=matklad a=robojumper
Also adds tests that `unsafe async fn` as well as `const unsafe fn` parse properly and that these keywords in the reversed order cause parse errors.
[Playground link to verify that this is the correct order.](https://play.rust-lang.org/?version=nightly&mode=debug&edition=2018&gist=7850b8d92579de31c38f835f76afa4ce)
Closes#1086.
Co-authored-by: robojumper <robojumper@gmail.com>
1068: profiling crate first draft r=matklad a=pasa
I've made this first draft for #961
Could you look at it? Is this something what you are looking for?
It has lack of tests. I can't figure out how to test stderr output in rust right now. Do you have some clues?
Additionally I'm thinking about to implement procedural macros to annotate methods with this profiler. Will it be helpful?
Co-authored-by: Sergey Parilin <sergey.parilin@fxdd.com>
1076: Const body inference r=flodiebold a=Lapz
This is the second part of #887. I've added type inference on const bodies and introduced the DefWithBody containing Function, Const and Static. I want to add tests but im unsure on how I would go about testing that completions work.
Co-authored-by: Lenard Pratt <l3np27@gmail.com>
1082: Async block in argument position r=matklad a=andreytkachenko
Fixes case when async block appears in argument position
Co-authored-by: Andrey Tkachenko <andreytkachenko64@gmail.com>
1067: Take number of arguments at the call-site into account for signature help r=matklad a=kjeremy
Fixes#1065
Co-authored-by: kjeremy <kjeremy@gmail.com>
1081: Async closure syntax r=matklad a=robojumper
Fixes#1080.
Also fixes an error introduced by #1072 where something like `async move "foo"` in expression position would trigger the assertion in `block_expr`.
Co-authored-by: robojumper <robojumper@gmail.com>
Now bounds inside a path are parsed as DYN_TRAIT_TYPE, previously they would be
parsed as `PATH_TYPE` followed by `TYPE_BOUND_LIST`.
Basically this means `Box<T + 'f>` is now parsed almost the same as
`Box<dyn T + 'f>` with the exception of not having the `dyn` keyword.
These are now used when parsing type bounds. In addition parsing paths inside a
bound now does not recursively parse paths, rather they are treated as separate
bounds, separated by +.
This solves the problem of "macro expansion can't call into name
resolution, because name resolution calls back into macro expansion"
Because we store macro def as a part of call id, macro expansion just
knows the def!
1034: HIR diagnostics API r=matklad a=matklad
This PR introduces diagnostics API for HIR, so we can now start issuing errors and warnings! Here are requirements that this solution aims to fulfill:
* structured diagnostics: rather than immediately rendering error to string, we provide a well-typed blob of data with error-description. These data is used by IDE to provide fixes
* open set diagnostics: there's no single enum with all possible diagnostics, which hopefully should result in better modularity
The `Diagnostic` trait describes "a diagnostic", which can be downcast to a specific diagnostic kind. Diagnostics are expressed in terms of macro-expanded syntax tree: they store pointers to syntax nodes. Diagnostics are self-contained: you don't need any context, besides `db`, to fully understand the meaning of a diagnostic.
Because diagnostics are tied to the source, we can't store them in salsa. So subsystems like type-checking produce subsystem-local diagnostic (which is a closed `enum`), which is expressed in therms of subsystem IR. A separate step converts these proto-diagnostics into `Diagnostic`, by merging them with source-maps.
Note that this PR stresses type-system quite a bit: we now type-check every function in open files to compute errors!
Discussion on Zulip: https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Fwg-rls-2.2E0/topic/Diagnostics.20API
Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
1041: Add convenience functions to SourceChange for creating single edits r=matklad a=vipentti
Fixes#1018
Co-authored-by: Ville Penttinen <villem.penttinen@gmail.com>
1036: Assist to flip equality (==) and negated equality (!=) operands. r=matklad a=marcogroppo
This PR adds an assist to flip the equality operands.
I hope this is the right way to do this (I'm a newbie...)
Fixes#1023.
Co-authored-by: Marco Groppo <marco.groppo@gmail.com>
1031: Move most things out of ra_ide_api_light r=matklad a=detrumi
This moves everything except `structure` out of `ra_ide_api_light`. So this PR and #1019 finish up #1009, whichever is merged last should probably remove the `ra_ide_api_light` crate.
Also, `LocalEdit` was removed since it wasn't used any more.
Co-authored-by: Wilco Kusee <wilcokusee@gmail.com>
