Fix: first line is 0-based #489
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rgrinberg
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CHANGES:
## Features
- Add a new code action `Add missing rec keyword`, which is available when
adding a `rec` keyword can fix `Unbound value ...` error, e.g.,
```ocaml
let fact n = if n = 0 then 1 else n * fact (n - 1)
(* ^^^^ Unbound value fact *)
```
Adding `rec` to the definition of `fact` will fix the problem. The new code
action offers adding `rec`.
- Jump to the first hole on calling `Destruct` code action (only with client
VSCode OCaml Platform) (ocaml/ocaml-lsp#468)
Example: when a user invokes `Destruct` code action on `Some 1`, this code is
replaced by `match Some 1 with None -> _ | Some _ -> _`, where the 1st and
3rd underscores are "typed holes", a concept created by Merlin to be able to
put "holes" in OCaml code.
With this change, now for VSCode OCaml Platform users, on such invocation of
`Destruct`, the cursor will jump to the first typed hole and select it, so
that user can start editing right away.
- Use ocamlformat to properly format type snippets. This feature requires the
`ocamlformat-rpc` opam package to be installed. (ocaml/ocaml-lsp#386)
- Add completion support for polymorphic variants, when it is possible to pin
down the precise type. Examples (`<|>` stands for the cursor) when completion
will work (ocaml/ocaml-lsp#473)
Function application:
```
let foo (a: [`Alpha | `Beta]) = ()
foo `A<|>
```
Type explicitly shown:
```
let a : [`Alpha | `Beta] = `B<|>
```
Note: this is actually a bug fix, since we were ignoring the backtick when
constructing the prefix for completion.
- Parse merlin errors (best effort) into a more structured form. This allows
reporting all locations as "related information" (ocaml/ocaml-lsp#475)
- Add support for Merlin `Construct` command as completion suggestions, i.e.,
show complex expressions that could complete the typed hole. (ocaml/ocaml-lsp#472)
- Add a code action `Construct an expression` that is shown when the cursor is
at the end of the typed hole, i.e., `_|`, where `|` is the cursor. The code
action simply triggers the client (currently only VS Code is supported) to
show completion suggestions. (ocaml/ocaml-lsp#472)
- Change the formatting-on-save error notification to a warning notification
(ocaml/ocaml-lsp#472)
- Code action to qualify ("put module name in identifiers") and unqualify
("remove module name from identifiers") module names in identifiers (ocaml/ocaml-lsp#399)
Starting from:
```ocaml
open Unix
let times = Unix.times ()
let f x = x.Unix.tms_stime, x.Unix.tms_utime
```
Calling "remove module name from identifiers" with the cursor on the open
statement will produce:
```ocaml
open Unix
let times = times ()
let f x = x.tms_stime, x.tms_utime
```
Calling "put module name in identifiers" will restore:
```ocaml
open Unix
let times = Unix.times ()
let f x = x.Unix.tms_stime, x.Unix.tms_utime
```
## Fixes
- Do not show "random" documentation on hover
- fixed by [merlin#1364](ocaml/merlin#1364)
- fixes duplicate:
- [ocaml-lsp#344](ocaml/ocaml-lsp#344)
- [vscode-ocaml-platform#111](ocamllabs/vscode-ocaml-platform#111)
- Correctly rename a variable used as a named/optional argument (ocaml/ocaml-lsp#478)
- When reporting an error at the beginning of the file, use the first line not
the second (ocaml/ocaml-lsp#489)
rgrinberg
added a commit
to rgrinberg/opam-repository
that referenced
this pull request
Aug 25, 2021
CHANGES:
## Features
- Add a new code action `Add missing rec keyword`, which is available when
adding a `rec` keyword can fix `Unbound value ...` error, e.g.,
```ocaml
let fact n = if n = 0 then 1 else n * fact (n - 1)
(* ^^^^ Unbound value fact *)
```
Adding `rec` to the definition of `fact` will fix the problem. The new code
action offers adding `rec`.
- Use ocamlformat to properly format type snippets. This feature requires the
`ocamlformat-rpc` opam package to be installed. (ocaml/ocaml-lsp#386)
- Add completion support for polymorphic variants, when it is possible to pin
down the precise type. Examples (`<|>` stands for the cursor) when completion
will work (ocaml/ocaml-lsp#473)
Function application:
```
let foo (a: [`Alpha | `Beta]) = ()
foo `A<|>
```
Type explicitly shown:
```
let a : [`Alpha | `Beta] = `B<|>
```
Note: this is actually a bug fix, since we were ignoring the backtick when
constructing the prefix for completion.
- Parse merlin errors (best effort) into a more structured form. This allows
reporting all locations as "related information" (ocaml/ocaml-lsp#475)
- Add support for Merlin `Construct` command as completion suggestions, i.e.,
show complex expressions that could complete the typed hole. (ocaml/ocaml-lsp#472)
- Add a code action `Construct an expression` that is shown when the cursor is
at the end of the typed hole, i.e., `_|`, where `|` is the cursor. The code
action simply triggers the client (currently only VS Code is supported) to
show completion suggestions. (ocaml/ocaml-lsp#472)
- Change the formatting-on-save error notification to a warning notification
(ocaml/ocaml-lsp#472)
- Code action to qualify ("put module name in identifiers") and unqualify
("remove module name from identifiers") module names in identifiers (ocaml/ocaml-lsp#399)
Starting from:
```ocaml
open Unix
let times = Unix.times ()
let f x = x.Unix.tms_stime, x.Unix.tms_utime
```
Calling "remove module name from identifiers" with the cursor on the open
statement will produce:
```ocaml
open Unix
let times = times ()
let f x = x.tms_stime, x.tms_utime
```
Calling "put module name in identifiers" will restore:
```ocaml
open Unix
let times = Unix.times ()
let f x = x.Unix.tms_stime, x.Unix.tms_utime
```
## Fixes
- Do not show "random" documentation on hover
- fixed by [merlin#1364](ocaml/merlin#1364)
- fixes duplicate:
- [ocaml-lsp#344](ocaml/ocaml-lsp#344)
- [vscode-ocaml-platform#111](ocamllabs/vscode-ocaml-platform#111)
- Correctly rename a variable used as a named/optional argument (ocaml/ocaml-lsp#478)
- When reporting an error at the beginning of the file, use the first line not
the second (ocaml/ocaml-lsp#489)
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The first line in LSP is zero-based. Fixing the bug