Commit Graph

987 Commits

Author SHA1 Message Date
WindSoilder
ba4723cc9f
Support variables/interpolation in o>, e>, o+e> redirect (#9747)
# Description
Fixes:  #8517
Fixes: #9246
Fixes: #9709
Relative: #9723


## About the change
Before the pr, nushell only parse redirection target as a string(through
`parse_string` call).
In the pr, I'm trying to make the value more generic(using `parse_value`
with `SyntaxShape::Any`)

And during eval stage, we guard it to only eval `String`,
`StringInterpolation`, `FullCellPath`, `FilePath`, so other type of
redirection target like `1ms` won't be permitted.

# User-Facing Changes

After the pr: redirection support something like the following:
1. `let a = "x"; cat toolkit.nu o> $a`
2. `let a = "x"; cat toolkit.nu o> $"($a).txt"`
3. `cat toolkit.nu out> ("~/a.txt" | path expand)`
2023-07-20 13:56:46 +02:00
mike
5bfec20244
add match guards (#9621)
## description

this pr adds [match
guards](https://doc.rust-lang.org/reference/expressions/match-expr.html#match-guards)
to match patterns
```nushell
match $x {
   _ if $x starts-with 'nu' => {},
   $x => {}
}
```

these work pretty much like rust's match guards, with few limitations:

1. multiple matches using the `|` are not (yet?) supported
 
```nushell
match $num {
    0 | _ if (is-odd $num) => {},
    _ => {}
}
```

2. blocks cannot be used as guards, (yet?)

```nushell
match $num {
    $x if { $x ** $x == inf } => {},
     _ => {}
}
```

## checklist
- [x] syntax
- [x] syntax highlighting[^1]
- [x] semantics
- [x] tests
- [x] clean up

[^1]: defered for another pr
2023-07-16 12:25:12 +12:00
JT
53ae03bd63
Custom command input/output types (#9690)
# Description

This adds input/output types to custom commands. These are input/output
pairs that related an input type to an output type.

For example (a single int-to-int input/output pair):

```
def foo []: int -> int { ... }
```

You can also have multiple input/output pairs:
```
def bar []: [int -> string, string -> list<string>] { ... }
```

These types are checked during definition time in the parser. If the
block does not match the type, the user will get a parser error.

This `:` to begin the input/output signatures should immediately follow
the argument signature as shown above.

The PR also improves type parsing by re-using the shape parser. The
shape parser is now the canonical way to parse types/shapes in user
code.

This PR also splits `extern` into `extern`/`extern-wrapped` because of
the parser limitation that a multi-span argument (which Signature now
is) can't precede an optional argument. `extern-wrapped` now takes the
required block that was previously optional.

# User-Facing Changes

The change to `extern` to split into `extern` and `extern-wrapped` is a
breaking change.

# Tests + Formatting
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2023-07-15 09:51:28 +12:00
JT
786ba3bf91
Input output checking (#9680)
# Description

This PR tights input/output type-checking a bit more. There are a lot of
commands that don't have correct input/output types, so part of the
effort is updating them.

This PR now contains updates to commands that had wrong input/output
signatures. It doesn't add examples for these new signatures, but that
can be follow-up work.

# User-Facing Changes

BREAKING CHANGE BREAKING CHANGE

This work enforces many more checks on pipeline type correctness than
previous nushell versions. This strictness may uncover incompatibilities
in existing scripts or shortcomings in the type information for internal
commands.

# Tests + Formatting
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2023-07-14 15:20:35 +12:00
Jakub Žádník
e66139e6bb
Fix broken constants in scopes (#9679) 2023-07-14 00:02:05 +03:00
JT
30904bd095
Remove broken compile-time overload system (#9677)
# Description

This PR removes the compile-time overload system. Unfortunately, this
system never worked correctly because in a gradual type system where
types can be `Any`, you don't have enough information to correctly
resolve function calls with overloads. These resolutions must be done at
runtime, if they're supported.

That said, there's a bit of work that needs to go into resolving
input/output types (here overloads do not execute separate commands, but
the same command and each overload explains how each output type
corresponds to input types).

This PR also removes the type scope, which would give incorrect answers
in cases where multiple subexpressions were used in a pipeline.

# User-Facing Changes

Finishes removing compile-time overloads. These were only used in a few
places in the code base, but it's possible it may impact user code. I'll
mark this as breaking change so we can review.

# Tests + Formatting
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2023-07-14 07:05:03 +12:00
WindSoilder
9a6a3a731e
support env and mut assignment with if block and match guard (#9650)
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# Description
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Fixes: https://github.com/nushell/nushell/issues/9595

So we can do the following in nushell:
```nushell
mut a = 3
$a = if 4 == 3 { 10 } else {20}
```
or
```nushell
$env.BUILD_EXT = match 3 { 1 => { 'yes!' }, _ => { 'no!' } }
```

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

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---------

Co-authored-by: WindSoilder <windsoilder@DESKTOP-R8GRJ1D.localdomain>
2023-07-13 10:55:41 +02:00
Stefan Holderbach
bd0032898f
Apply nightly clippy lints (#9654)
# Description
- A new one is the removal of unnecessary `#` in raw strings without `"`
inside.
-
https://rust-lang.github.io/rust-clippy/master/index.html#/needless_raw_string_hashes
- The automatically applied removal of `.into_iter()` touched several
places where #9648 will change to the use of the record API. If
necessary I can remove them @IanManske to avoid churn with this PR.
- Manually applied `.try_fold` in two places
- Removed a dead `if`
- Manual: Combat rightward-drift with early return
2023-07-12 00:00:31 +02:00
JT
ad11e25fc5
allow mut to take pipelines (#9658)
# Description

This extends the syntax fix for `let` (#9589) to `mut` as well.

Example: `mut x = "hello world" | str length; print $x`

closes #9634

# User-Facing Changes

`mut` now joins `let` in being able to be assigned from a pipeline

# Tests + Formatting
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2023-07-12 06:36:34 +12:00
mike
8e38596bc9
allow tables to have annotations (#9613)
# Description

follow up to #8529 and #8914

this works very similarly to record annotations, only difference being
that

```sh
table<name: string>
      ^^^^  ^^^^^^
      |     | 
      |     represents the type of the items in that column
      |
      represents the column name
```
more info on the syntax can be found
[here](https://github.com/nushell/nushell/pull/8914#issue-1672113520)

# User-Facing Changes

**[BREAKING CHANGE]**
this change adds a field to `SyntaxShape::Table` so any plugins that
used it will have to update and include the field. though if you are
unsure of the type the table expects, `SyntaxShape::Table(vec![])` will
suffice
2023-07-07 11:06:09 +02:00
mike
544c46e0e4
improve subtyping (#9614)
# Description

the current subtyping rule needs you to define the record entries in the
same order as declared in the annotation. this pr improves that

now
```nushell
{ name: 'Him', age: 12 } 

# ,

{ age: 100, name: 'It' }

# and

{ name: 'Red', age: 69, height: "5-8" }

# will all match

record<name: string, age: int>

# previously only the first one would match
```

however, something like

```nushell
{ name: 'Her' } # will not


# and

{ name: 'Car', wheels: 5 }
```

EDIT: applied JT's suggestion
2023-07-06 10:25:39 +02:00
Stefan Holderbach
1bdec1cbb6
Remove unnecessary parentheses (#9605)
# Description
As seen on nightly
2023-07-04 11:12:46 +02:00
JT
5d9e2455f7
Let with pipeline (#9589)
# Description

This changes the default behaviour of `let` to be able to take a
pipeline as its initial value.

For example:

```
> let x = "hello world" | str length
```

This is a change from the existing behaviour, where the right hand side
is assumed to be an expression. Pipelines are more general, and can be
more powerful.

My google foo is failing me, but this also fixes this issue:

```
let x = foo
```

Currently, this reads `foo` as a bareword that gets converted to a
string rather than running the `foo` command. In practice, this is
really annoying and is a really hard to spot bug in a script.

# User-Facing Changes

BREAKING CHANGE BREAKING CHANGE

`let` gains the power to be assigned via a pipeline. However, this
changes the behaviour of `let x = foo` from assigning the string "foo"
to `$x` to being "run the command `foo` and give the result to `$x`"

# Tests + Formatting
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2023-07-03 17:45:10 +12:00
JT
b70cce47e2
disallow blocks as first-class values (#9587)
# Description

This PR disallows blocks as first-class values by removing the ability
to create them using the `block` syntax shape or type. Now, the parser
will only ever be able to create closures as first-class values.

This means that `{ 3 }` will always be treated as a closure, unless used
in the specifically supported use case of the literal being given as an
arg to `for`, `if` and other built-in block users.

Note: first-class value here means "value that can be passed into
commands and held in variables"

# User-Facing Changes

This may break some user scripts as `: block` is no longer allows as a
type annotation. Note: these cases were not actually supported before,
as, for example, passing a block that accessed a variable would have
errored when the block was later evaluated.

Closures do not have the restriction mentioned above and are the much
safer value to pass as first-class, so now they are the only block-like
value to be allowed to be passed.

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2023-07-03 07:40:56 +12:00
JT
4af24363c2
remove let-env, focus on mutating $env (#9574)
# Description

For years, Nushell has used `let-env` to set a single environment
variable. As our work on scoping continued, we refined what it meant for
a variable to be in scope using `let` but never updated how `let-env`
would work. Instead, `let-env` confusingly created mutations to the
command's copy of `$env`.

So, to help fix the mental model and point people to the right way of
thinking about what changing the environment means, this PR removes
`let-env` to encourage people to think of it as updating the command's
environment variable via mutation.

Before:

```
let-env FOO = "BAR"
```

Now:

```
$env.FOO = "BAR"
```

It's also a good reminder that the environment owned by the command is
in the `$env` variable rather than global like it is in other shells.

# User-Facing Changes

BREAKING CHANGE BREAKING CHANGE

This completely removes `let-env FOO = "BAR"` so that we can focus on
`$env.FOO = "BAR"`.

# Tests + Formatting
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# After / Before Submitting
integration scripts to update:
- ✔️
[starship](https://github.com/starship/starship/blob/master/src/init/starship.nu)
- ✔️
[virtualenv](https://github.com/pypa/virtualenv/blob/main/src/virtualenv/activation/nushell/activate.nu)
- ✔️
[atuin](https://github.com/ellie/atuin/blob/main/atuin/src/shell/atuin.nu)
(PR: https://github.com/ellie/atuin/pull/1080)
- 
[zoxide](https://github.com/ajeetdsouza/zoxide/blob/main/templates/nushell.txt)
(PR: https://github.com/ajeetdsouza/zoxide/pull/587)
- ✔️
[oh-my-posh](https://github.com/JanDeDobbeleer/oh-my-posh/blob/main/src/shell/scripts/omp.nu)
(pr: https://github.com/JanDeDobbeleer/oh-my-posh/pull/4011)
2023-07-01 07:57:51 +12:00
JT
9068093081
Improve type hovers (#9515)
# Description

This PR does a few things to help improve type hovers and, in the
process, fixes a few outstanding issues in the type system. Here's a
list of the changes:

* `for` now will try to infer the type of the iteration variable based
on the expression it's given. This fixes things like `for x in [1, 2, 3]
{ }` where `x` now properly gets the int type.
* Removed old input/output type fields from the signature, focuses on
the vec of signatures. Updated a bunch of dataframe commands that hadn't
moved over. This helps tie things together a bit better
* Fixed inference of types from subexpressions to use the last
expression in the block
* Fixed handling of explicit types in `let` and `mut` calls, so we now
respect that as the authoritative type

I also tried to add `def` input/output type inference, but unfortunately
we only know the predecl types universally, which means we won't have
enough information to properly know what the types of the custom
commands are.

# User-Facing Changes

Script typechecking will get tighter in some cases
Hovers should be more accurate in some cases that previously resorted to
any.

# Tests + Formatting
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> ```
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---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
2023-06-29 05:19:48 +12:00
Stefan Holderbach
088e6dffbe
Bump to 0.82.1 dev version (#9543)
# Description
Marks development or hotfix
2023-06-27 21:33:53 +02:00
Stefan Holderbach
ecdb023e2f
Bump version for 0.82.0 release (#9530)
# Checklist

- `nu-ansi-term` remains the same
- [x] `reedline` is released and updated
- [x] release scripts are updated for `nu-cmd-base`
- [x] info blog post is online
- [ ] release notes are ready
2023-06-27 19:11:46 +02:00
JT
33535c514e
Better error message if env var is used as var (#9522)
# Description

This PR improves the error message if an environment variable (that's
visible before the parser begins) is used in the form of `$PATH` instead
of `$env.PATH`.

Before:

```
Error: nu::parser::variable_not_found

  × Variable not found.
   ╭─[entry #31:1:1]
 1 │ echo $PATH
   ·      ──┬──
   ·        ╰── variable not found.
   ╰────
```

After:

```
Error: nu::parser::env_var_not_var

  × Use $env.PATH instead of $PATH.
   ╭─[entry #1:1:1]
 1 │ echo $PATH
   ·      ──┬──
   ·        ╰── use $env.PATH instead of $PATH
   ╰────
```

# User-Facing Changes

Just the improvement to the error message

# Tests + Formatting
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> ```
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2023-06-26 05:59:56 +12:00
JT
6c730def4b
revert: move to ahash (#9464)
This PR reverts https://github.com/nushell/nushell/pull/9391

We try not to revert PRs like this, though after discussion with the
Nushell team, we decided to revert this one.

The main reason is that Nushell, as a codebase, isn't ready for these
kinds of optimisations. It's in the part of the development cycle where
our main focus should be on improving the algorithms inside of Nushell
itself. Once we have matured our algorithms, then we can look for
opportunities to switch out technologies we're using for alternate
forms.

Much of Nushell still has lots of opportunities for tuning the codebase,
paying down technical debt, and making the codebase generally cleaner
and more robust. This should be the focus. Performance improvements
should flow out of that work.

Said another, optimisation that isn't part of tuning the codebase is
premature at this stage. We need to focus on doing the hard work of
making the engine, parser, etc better.

# User-Facing Changes

Reverts the HashMap -> ahash change.

cc @FilipAndersson245
2023-06-18 15:27:57 +12:00
WindSoilder
90863439d1
allow comment in multiple line pipeline (#9436)
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# Description
- fixes: #5517
- fixes: #9250

For the following commands:
```
ls
# | le
| length
```

I found that it generates a bad lite parsing result:
```
LiteBlock { 
    block: [
        LitePipeline { 
            commands: [
                Command(None, LiteCommand { comments: [], parts: [Span { start: 138600, end: 138602 }] })
            ]
        },
        LitePipeline { 
            commands: [
                Command(Some(Span { start: 138610, end: 138611 }),
                LiteCommand { comments: [Span { start: 138603, end: 138609 }], parts: [Span { start: 138612, end: 138618 }] })
            ]
        }
    ]
}
```

Which should contains only one `LitePipeline`, and the second
`LitePipeline` is generated because of `Eol` lex token:
```
[
    Token { contents: Item, span: Span { start: 138600, end: 138602 } },
    Token { contents: Eol, span: Span { start: 138602, end: 138603 } },    // it generates the second LitePipeline
    Token { contents: Comment, span: Span { start: 138603, end: 138609 } },
    Token { contents: Pipe, span: Span { start: 138610, end: 138611 } },
    Token { contents: Item, span: Span { start: 138612, end: 138618 } }
]
```

To fix the issue, I remove the `Eol` token when we meet `Comment` right
after `Eol`, then it will generate a good LiteBlock, and everything will
work fine.

### After the fix:
Token:
```
[
  Token { contents: Item, span: Span { start: 138618, end: 138620 } },
  Token { contents: Comment, span: Span { start: 138622, end: 138628 } },
  Token { contents: Pipe, span: Span { start: 138629, end: 138630 } },
  Token { contents: Item, span: Span { start: 138631, end: 138637 } }
]
```

LiteBlock:
```
LiteBlock {
  block: [
    LitePipeline { 
      commands: [
        Command(
            None, 
            LiteCommand { 
                comments: [Span { start: 138622, end: 138628 }],
                parts: [Span { start: 138618, end: 138620 }] 
            }
        ),
        Command(
            Some(Span { start: 138629, end: 138630 }),
            LiteCommand { comments: [], parts: [Span { start: 138631, end: 138637 }] })] }] }
```
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# Tests + Formatting
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2023-06-15 13:11:42 +02:00
Anas Alkhatib
33ad2a36bd
Fix clippy errors (Mac) (#9440)
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# Description

Was getting errors when running the clip checks on another PR.
Applied the suggested fixes.


<img width="1792" alt="image"
src="https://github.com/nushell/nushell/assets/432535/bec30bd9-307d-4877-9eb8-1f8f3ed3edd9">


<img width="1527" alt="image"
src="https://github.com/nushell/nushell/assets/432535/f540da61-aa81-4a9e-9948-46d8d45afecb">
2023-06-15 07:30:54 +02:00
Han Junghyuk
b14bdd865f
Remove ZB and ZiB from file size type (#9427)
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# Description
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This PR removes ZB and ZiB from file size type, as they 
were showing incorrect values due to an integer overflow.

Fixes: #9337
# User-Facing Changes
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helps us keep track of breaking changes. -->

# Tests + Formatting
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2023-06-14 10:53:32 -05:00
Darren Schroeder
30f4cc1fef
allow empty string arguments (#9420)
# Description

I'm not sure if this is a good idea or now but I did it to fix #9418. It
allows you to pass empty string arguments like this.

file named foo.nu
```
def main [--arg: string = dog] {
  if ($arg | is-empty) {
    echo "empty string"
  } else {
   echo $arg
  }
}
```
`> nu foo.nu --arg ""`
or
`> nu foo.nu --arg=""`
this gives an error
`> nu foo.nu --arg`
this returns the default argument
`> nu foo.nu`

closes #9418 

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
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2023-06-13 07:30:30 -05:00
Filip Andersson
1433f4a520
Changes HashMap to use aHash instead, giving a performance boost. (#9391)
# Description

see https://github.com/nushell/nushell/issues/9390
using `ahash` instead of the default hasher. this will not affect
compile time as we where already building `ahash`.


# User-Facing Changes
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helps us keep track of breaking changes. -->

# Tests + Formatting
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2023-06-10 11:41:58 -05:00
Stefan Holderbach
a5dd93d154
Apply nightly clippy fixes (#9381)
# Description
New lints coming from `cargo +nightly clippy`

Manually checked for problems.


# User-Facing Changes
None

# Tests + Formatting
(-)
2023-06-08 18:49:58 +02:00
Stefan Holderbach
d15859dd86
Bump to 0.81.1 as development version (#9379)
# Description
Primarily used as a marker on issues and if necessary as a patch release
version.
2023-06-07 15:06:42 +02:00
JT
63cb01e83b
bump to 0.81 (#9374)
# Description
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2023-06-07 10:08:11 +12:00
mike
cc04b9a916
fix conflict between filesize and hexadecimal numbers (#9309)
closes #9278 

# Description

removes ambiguity between the `b` the filesize `bytes` unit and `b` the
hex digit
2023-05-28 12:56:58 +02:00
Darren Schroeder
5f92fd20e9
update most dependencies except where deeper code changes are needed (#9296)
# Description

This PR updates most dependencies and tries to get in sync with
reedline.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
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2023-05-26 10:32:48 -05:00
JT
7ead89844a
Cut down on unnecessary parsing for SyntaxShape::Any (#9280)
# Description

This removes some unnecessary SyntaxShapes when parsing a
SyntaxShape::Any. Recent updates to the parser look for `{` and then
handle the logic for that separately.

# User-Facing Changes

This may have a slight parser speedup.

# Tests + Formatting
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2023-05-25 07:53:57 +12:00
Jakub Žádník
74724dee80
Add virtual path abstraction layer (#9245) 2023-05-23 23:48:50 +03:00
Maria José Solano
4954a762b7
Allow duration defaults (#9249)
# Description
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Fixes #9217 (some cases, still can't accept all default expressions)

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->
- Follow-up of #8940, expanding `eval_constant` so that it can also
evaluate values with units.

# Tests + Formatting
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- A unit test was added to verify that defaults like `1sec` are
accepted.
2023-05-20 08:23:25 -05:00
Jakub Žádník
429c4332b1
Make aliased call not look up predeclarations (#9244) 2023-05-20 00:46:22 +03:00
Darren Schroeder
e752d8a964
remove unused dependencies (#9230)
# Description

This is a test PR to see if we can remove dependencies. The crates to
remove was generated from cargo machete. If ci works, I'll update the PR
to remove deps instead of comment them out.

# User-Facing Changes
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2023-05-18 11:37:20 -05:00
mike
0e4729b203
improve parsing of values with units (#9190)
closes #9111 

# Description

this pr improves parsing of values with units (`filesizes`, `durations`
and any other **future values**) by:

1. allowing underscores in the value part
```nu
> 42kb          # okay
> 42_sec        # okay
> 1_000_000mib  # okay
> 69k_b         # not okay, underscores not allowed in the unit
```

2. improving error messages involving these values
```nu
> sleep 40-sec

# before
Error: nu::parser::parse_mismatch

  × Parse mismatch during operation.
   ╭─[entry #42:1:1]
 1 │ sleep 40-sec
   ·       ──┬──
   ·         ╰── expected duration with valid units
   ╰────

# now
Error:
  × duration value must be a number
   ╭─[entry #41:1:1]
 1 │ sleep 40-sec
   ·       ─┬─
   ·        ╰── not a number
   ╰────
```

3. unifying parsing of these values. now all of these use one function

# User-Facing Changes

filesizes and durations can now have underscores for readability
2023-05-17 18:54:35 -05:00
WindSoilder
b150f9f5d8
Avoid blocking when o+e> redirects too much stderr message (#8784)
# Description

Fixes: #8565

Here is another pr #7240 tried to address the issue, but it works in a
wrong way.

After this change `o+e>` won't redirect all stdout message then stderr
message and it works more like how bash does.

# User-Facing Changes

For the given python code:
```python
# test.py
import sys

print('aa'*300, flush=True)
print('bb'*999999, file=sys.stderr, flush=True)
print('cc'*300, flush=True)
```

Running `python test.py out+err> a.txt` shoudn't hang nushell, and
`a.txt` keeps output in the same order

## About the change
The core idea is that when doing lite-parsing, introduce a new variant
`LiteElement::SameTargetRedirection` if we meet `out+err>` redirection
token(which is generated by lex function),

During converting from lite block to block,
LiteElement::SameTargetRedirection will be converted to
PipelineElement::SameTargetRedirection.

Then in the block eval process, if we get
PipelineElement::SameTargetRedirection, we'll invoke `run-external` with
`--redirect-combine` flag, then pipe the result into save command

## What happened internally?

Take the following command as example:
`^ls o+e> log.txt`

lex parsing result(`Tokens`) are not changed, but `LiteBlock` and
`Block` is changed after this pr.
### LiteBlock before
```rust
LiteBlock {
    block: [
        LitePipeline { commands: [
            Command(None, LiteCommand { comments: [], parts: [Span { start: 39041, end: 39044 }] }),
            // actually the span of first Redirection is wrong too..
            Redirection(Span { start: 39058, end: 39062 }, StdoutAndStderr, LiteCommand { comments: [], parts: [Span { start: 39050, end: 39057 }] }),
        ]
    }]
}
```
### LiteBlock after
```rust
LiteBlock { 
    block: [
        LitePipeline {
            commands: [
                SameTargetRedirection {
                    cmd: (None, LiteCommand { comments: [], parts: [Span { start: 147945, end: 147948}]}),
                    redirection: (Span { start: 147949, end: 147957 }, LiteCommand { comments: [], parts: [Span { start: 147958, end: 147965 }]})
                }
            ]
        }
    ]
}
```
### Block before
```rust
Pipeline {
    elements: [
        Expression(None, Expression {
            expr: ExternalCall(Expression { expr: String("ls"), span: Span { start: 39042, end: 39044 }, ty: String, custom_completion: None }, [], false),
            span: Span { start: 39041, end: 39044 },
            ty: Any, custom_completion: None 
        }),
        Redirection(Span { start: 39058, end: 39062 }, StdoutAndStderr, Expression { expr: String("out.txt"), span: Span { start: 39050, end: 39057 }, ty: String, custom_completion: None })] }
```
### Block after
```rust
Pipeline {
    elements: [
        SameTargetRedirection { 
            cmd: (None, Expression {
                expr: ExternalCall(Expression { expr: String("ls"), span: Span { start: 147946, end: 147948 }, ty: String, custom_completion: None}, [], false),
                span: Span { start: 147945, end: 147948},
                ty: Any, custom_completion: None
            }),
            redirection: (Span { start: 147949, end: 147957}, Expression {expr: String("log.txt"), span: Span { start: 147958, end: 147965 },ty: String,custom_completion: None}
        }
    ]
}
```

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-05-17 17:47:03 -05:00
Darren Schroeder
057de06613
bump nushell from release version to development version (#9215)
# Description

Bump nushell to 0.80.1 development version

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
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clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

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> use toolkit.nu # or use an `env_change` hook to activate it
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> ```
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# After Submitting
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2023-05-17 07:59:01 -05:00
Stefan Holderbach
8695b57584
Bump version for 0.80.0 release (#9212)
# Checklist

- [x] merged reedline PR
- [ ] release notes
2023-05-17 10:11:13 +12:00
Jakub Žádník
8d8304cf91
Allow recursive module dirs; Require mod.nu in dirs (#9185) 2023-05-13 01:20:33 +03:00
mike
a3bf2bff49
improve error when name and parameters are not space-separated (#8958)
# Description
closes #8934

this pr improves the diagnostic emitted when the name and parameters of
either `def`, `def-env` or `extern` are not separated by a space

```nu
Error:
  × no space between name and parameters
   ╭─[entry #1:1:1]
 1 │ def err[] {}
   ·        ▲
   ·        ╰── expected space
   ╰────
  help: consider adding a space between the `def` command's name and its parameters
```

from

```nu
Error: nu::parser::missing_positional

  × Missing required positional argument.
   ╭─[entry #1:1:1]
 1 │ def err[] {}
   ╰────
  help: Usage: def <def_name> <params> <body>
```

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
Co-authored-by: Jelle Besseling <jelle@pingiun.com>
2023-05-12 09:10:40 -05:00
JT
a45bd0301a
remove a few unnecessary allocations (#9176)
# Description

Change the parser a little bit so it does less allocations when it's
parsing, specifically when parsing lists/tables

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
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-->
2023-05-12 05:10:54 +02:00
Jakub Žádník
250071939b
Reuse parsed modules (#9125) 2023-05-07 14:41:40 +03:00
Jakub Žádník
0ea973b78b
Fix exported module not found (#9121) 2023-05-06 23:55:10 +03:00
Jakub Žádník
a2a346e39c
Allow creating modules from directories (#9066) 2023-05-06 21:39:54 +03:00
Maria José Solano
d9a00a876b
Change type of flag defaults to Option<Value> (#9085)
# Description
Follow-up of #8940. As @bobhy pointed out, it makes sense for the
behaviour of flags to match the one for positional arguments, where
default values are of type `Option<Value>` instead of
`Option<Expression>`.

# User-Facing Changes
The same ones from the original PR:
- Flag default values will now be parsed as constants.
- If the default value is not a constant, a parser error is displayed.

# Tests + Formatting

A [new
test](e34e2d35f4/src/tests/test_engine.rs (L338-L344))
has been added to verify the new restriction.
2023-05-03 23:09:36 +02:00
WindSoilder
345cdef113
Fix overlay's help message lead to internal error (#9087) 2023-05-03 14:08:54 +03:00
sam schick
d45e9671d4
Suggest existing variables on not found (#8902) 2023-05-02 18:17:14 +03:00
Jelle Besseling
44493dac51
Add extern def which allows raw arguments (#8956)
# Description

Extends the `extern` syntax to allow commands that accept raw arguments.
This is mainly added to allow wrapper type scripts for external
commands.

This is an example on how this can be used:

```nushell
extern foo [...rest] { 
  print ($rest | str join ',' ) 
}
foo --bar baz -- -q -u -x
# => --bar,baz,--,-q,-u,-x
```

(It's only possible to accept a single ...varargs argument in the
signature)

# User-Facing Changes

No breaking changes, just extra possibilities.

# Tests + Formatting

Added a test for this new behaviour and ran the toolkit pr checker

# After Submitting

This is advanced functionality but it should be documented, I will open
a new PR on the book for that

Co-authored-by: Jelle Besseling <jelle@bigbridge.nl>
2023-04-28 09:06:43 +02:00
Maria José Solano
e251f3a0b4
Change type of parameter default values to Option<Value> (#8940)
# Description

Fixes #8939.

# User-Facing Changes

- Parameter default values will now be parsed as constants.
- If the default value is not a constant, a parser error is displayed.

# Tests + Formatting

The [only affected
test](d42c2b2dbc/src/tests/test_engine.rs (L325-L328))
has been updated to reflect the new behavior.
2023-04-26 09:14:02 -05:00
mike
77ca73f414
allow records to have type annotations (#8914)
# Description
follow up to #8529
cleaned up version of #8892 

- the original syntax is okay
```nu
def okay [rec: record] {}
```
- you can now add type annotations for fields if you know
  them before hand
```nu
def okay [rec: record<name: string>] {}
```

- you can specify multiple fields
```nu
def okay [person: record<name: string age: int>] {}

# an optional comma is allowed
def okay [person: record<name: string, age: int>] {}
```

- if annotations are specified, any use of the command will be type
  checked against the specified type
```nu
def unwrap [result: record<ok: bool, value: any>] {}

unwrap {ok: 2, value: "value"}

# errors with

Error: nu::parser::type_mismatch

  × Type mismatch.
   ╭─[entry #4:1:1]
 1 │ unwrap {ok: 2, value: "value"}
   ·         ───────┬─────
   ·                    ╰── expected record<ok: bool, value: any>, found record<ok: int, value: string>
   ╰────
```
> here the error is in the `ok` field, since `any` is coerced into any
type
> as a result `unwrap {ok: true, value: "value"}` is okay

- the key must be a string, either quoted or unquoted
```nu
def err [rec: record<{}: list>] {}

# errors with
Error:
  × `record` type annotations key not string
   ╭─[entry #7:1:1]
 1 │ def unwrap [result: record<{}: bool, value: any>] {}
   ·                            ─┬
   ·                             ╰── must be a string
   ╰────
```

- a key doesn't have to have a type in which case it is assumed to be
`any`
```nu
def okay [person: record<name age>] {}

def okay [person: record<name: string age>] {}
```

- however, if you put a colon, you have to specify a type
```nu
def err [person: record<name: >] {}

# errors with
Error: nu::parser::parse_mismatch

  × Parse mismatch during operation.
   ╭─[entry #12:1:1]
 1 │ def unwrap [res: record<name: >] { $res }
   ·                             ┬
   ·                             ╰── expected type after colon
   ╰────
```

# User-Facing Changes
**[BREAKING CHANGES]**
- this change adds a field to `SyntaxShape::Record` so any plugins that
used it will have to update and include the field. though if you are
unsure of the type the record expects, `SyntaxShape::Record(vec![])`
will suffice
2023-04-26 08:16:55 -05:00
Stefan Holderbach
7d6a32c5f8
Bump to 0.79.1 dev version (#8998)
# Description

For development or hotfixes
2023-04-26 01:05:23 +02:00
Stefan Holderbach
a1b7261121
Bump version for 0.79.0 release (#8980) 2023-04-25 23:06:17 +03:00
JT
d00038eb4b
Reuse the cached parse results of parsed files (#8949)
# Description

This does a lookup in the cache of parsed files to see if a span can be
found for a file that was previously loaded with the same contents, then
uses that span to find the parsed block for that file. The end result
should, in theory, be identical but doesn't require any reparsing or
creating new blocks/new definitions that aren't needed.

This drops the sg.nu benchmark from:
```
╭───┬───────────────────╮
│ 0 │ 280ms 606µs 208ns │
│ 1 │ 282ms 654µs 416ns │
│ 2 │ 252ms 640µs 541ns │
│ 3 │  250ms 940µs 41ns │
│ 4 │ 241ms 216µs 375ns │
│ 5 │ 257ms 310µs 583ns │
│ 6 │ 196ms 739µs 416ns │
╰───┴───────────────────╯
```

to:
```
╭───┬───────────────────╮
│ 0 │ 118ms 698µs 125ns │
│ 1 │       121ms 327µs │
│ 2 │ 121ms 873µs 500ns │
│ 3 │  124ms 94µs 708ns │
│ 4 │ 113ms 733µs 291ns │
│ 5 │ 108ms 663µs 125ns │
│ 6 │  63ms 482µs 625ns │
╰───┴───────────────────╯
```

I was hoping to also see some startup time improvements, but I didn't
notice much there.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-04-22 07:00:33 +12:00
mike
fb72da0e82
unify the *-BuiltinVar parser errors (#8944)
# Description

this pr condenses `MutBuiltinVar`, `LetBuiltinVar` and `ConstBuiltinVar`
into one error:
```nu
Error: nu::parser::name_is_builtin_var

  × `in` used as variable name.
   ╭─[entry #69:1:1]
 1 │ let in = 420
   ·     ─┬
   ·      ╰── already a builtin variable
   ╰────
  help: 'in' is the name of a builtin Nushell variable and cannot be used
        as a variable name
```

it also fixes this case which was previously not handled
```nu
let $nu = 420 # this variable would have been 'lost'
```
2023-04-20 19:44:31 +02:00
JT
32f098d91d
Hopefully speedup startup (#8913)
# Description

Trying a few different things to hopefully speedup startup a bit. I'm
seeing some improvement on my box for the profiles I have, but the data
I'm seeing is noisy.

- Remove allocations in a few places where we created vec's but could
use iterators
- Pre-allocate space for blocks based on the lite block
- Removed a few extra clones

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-04-18 20:19:08 +12:00
Vaishaag Subhagan
6eb00f6c60
Fix strange error on unbalanced curly braces (#8906)
# Description

Fixes issue https://github.com/nushell/nushell/issues/8400 

# User-Facing Changes

Before

![image](https://user-images.githubusercontent.com/5063945/232443913-a8fe9f50-2014-4edd-95b0-516058566f64.png)

After

![image](https://user-images.githubusercontent.com/5063945/232444266-375d9438-0688-4f49-a884-b8650110f7fe.png)
2023-04-17 21:51:10 +12:00
JT
bf3bb66c3e
Allocate less when doing a capture discovery (#8903)
# Description

This should be a little more efficient when running the algorithm to
find the captured variables.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
<!--
Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```
-->

# After Submitting
<!-- If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
-->
2023-04-17 10:24:56 +12:00
Maria José Solano
1d68c48a92
Allow arguments for the last flag in short flag batch (#8808)
# Description
_Fixes #5923_

Currently `nushell` doesn't allow short flag batches to contain
arguments, despite this being a common pattern in commands like `git
commit -am 'My commit message'`. This PR relaxes this so that the last
flag in the batch can take an argument.

# User-Facing Changes
- `nu::parser::short_flag_arg_cant_take_arg` has been replaced by
`nu::parser::only_last_flag_in_batch_can_take_arg` and is displayed when
a flag other then the last in a short flag batch takes an argument.

# Tests + Formatting
- Both
[`test_parser.rs`](48af0ebc3c/crates/nu-parser/tests/test_parser.rs (L640-L704))
and
[`test_known_external.rs`](48af0ebc3c/src/tests/test_known_external.rs (L42-L61))
have been updated to test the new allowed and disallowed scenarios.

---------

Co-authored-by: sholderbach <sholderbach@users.noreply.github.com>
2023-04-15 10:24:51 +02:00
mike
a122e55129
use let-else syntax where possible (#8886)
# Description
this pr changes some `if-let`s to `let-else`s

# User-Facing Changes
none
2023-04-14 20:51:38 +02:00
Stefan Holderbach
6cedc05384
Fix span of multibyte short flags (#8866)
# Description

Follow up to #8849

Work for #8821
Should unblock work on #8808

Missing is a restriction to printables or identifiers according to
[UAX31](https://www.unicode.org/reports/tr31/)

# User-Facing Changes

Non ASCII characters should be allowed in shortflags.

# Tests + Formatting

Want to add some tests for the error reporting cases
2023-04-14 18:53:14 +02:00
dependabot[bot]
b4400c4896
Bump rstest from 0.16.0 to 0.17.0 (#8836) 2023-04-13 18:58:37 +00:00
JT
487789b45b
Adds multi-file support to IDE support (#8857)
# Description

This adds multi-file support to the in-progress IDE support. The main
new features are a `-I` flag that allows you to add a new source search
path when starting up the nu binary, and fixes for the current IDE
support to support spans in other files.

This needs accompanying fixes to the vscode/lsp implementation to pass
along the project directory via `-I`.

UPDATE: Marking this draft until we have a means to test this.

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-13 05:36:29 +12:00
JT
8ee52b6ee1
Relax the closure syntax, highlight differently (#8846)
# Description

This relaxes the closure syntax so that `||` is no longer required. This
allows for `ls | each { $in.name }` for example.

I've gone ahead and changed the syntax highlighting so that blocks and
closures are distinct for now.

# User-Facing Changes

Removes `||` requirement for closures.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-12 05:21:52 +12:00
JT
46dba8853a
Revert numberlike parsing restriction (#8845)
# Description

This effectively reverts #8635. We shipped this change with 0.78 and
received many comments/issues related to this restriction feeling like a
step backward.

fixes: #8844 
(and probably other issues)

# User-Facing Changes

Returns numbers and number-like values to being allowed to be bare
words. Examples: `3*`, `1fb43`, `4,5`, and related.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-12 05:21:31 +12:00
federico viscomi
eb4d19fb9c
Parser panic for signature with multibyte char for short flag #8821 (#8849)
Hey I'm a developer and I'm still new to nushell and rust but I would
like to learn more about both. This is my first PR for this project.

The intent of my change is to allow to use multibyte utf-8 characters in
commands short flags.
2023-04-11 09:52:51 +12:00
Stefan Holderbach
0e23400510
Follow up #8758 with a style fix (#8822)
# Description

The old comment around the question mark operator doesn't make sense
 to me based on the closure signature.
The `match` expressions were thus superfluous.


# User-Facing Changes

None

# Tests + Formatting

No change
2023-04-09 18:42:43 -07:00
JT
9e3d6c3bfd
Only add the std lib files once (#8830)
# Description

We were seeing duplicate entries for the std lib files, and this PR
addresses that. Each file should now only be added once.

Note: they are still parsed twice because it's hard to recover the
module from the output of `parse` but a bit of clever hacking in a
future PR might be able to do that.

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-10 08:55:47 +12:00
mike
637283ffad
allow register to accept a const argument (#8758)
# Description

this pr allows `register` to be used with const variables
```nu
const math_plugin = "~/.config/nushell/plugins/nu_plugin_math"
register $math_plugin
```

should close #8208, previous work #8435
2023-04-08 15:04:57 -05:00
Antoine Stevan
415607706f
remove the "MODULE NOT FOUND" print from the parser (#8816)
related to #8765.
should close #8812.

# Description
this PR simply removes the `prinln("MODULE NOT FOUND")` from the parser.

# User-Facing Changes
no more `MODULE NOT FOUND` while typing a `use` command
2023-04-08 13:19:09 +02:00
JT
f2b977b9c5
improve operation mismatch errors (#8800)
# Description

This improves the operation mismatch error in a few ways:

* We now detect if the left-hand side of the operation is at fault, and
show a simpler error/error message if it is
* Removed the unhelpful hint
* Updated the error text to make it clear what types are causing the
issue


![image](https://user-images.githubusercontent.com/547158/230666329-537a8cae-6350-4ee7-878e-777e05c4f265.png)


![image](https://user-images.githubusercontent.com/547158/230666353-93529dc2-039a-4774-a84c-a6faac94d8e2.png)


# User-Facing Changes

Error texts and spans will change

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-08 09:32:44 +12:00
JT
0477493734
Fix parser recovery after error (#8798)
# Description

This fixes the parser recovery after the first error (at least the main
culprit), where `parse_value` was not able to properly parse `any`
values after the first error.

fixes #8796 

# User-Facing Changes

None

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-08 07:01:12 +12:00
Jakub Žádník
1b677f167e
Remove old alias implementation (#8797) 2023-04-07 21:09:38 +03:00
Bob Hyman
771e24913d
range operator accepts bot..=top as well as bot..top (#8382)
# Description

A compromise fix for #8162. Nushell range operator now accepts `..=` to
mean the range includes the top value, so you can use your Rust habits.
But the unadorned `..` range operator also includes the value, so you
can also use your Nushell habits.

_(Description of your pull request goes here. **Provide examples and/or
screenshots** if your changes affect the user experience.)_

```nushell
〉1..5
╭───┬───╮
│ 0 │ 1 │
│ 1 │ 2 │
│ 2 │ 3 │
│ 3 │ 4 │
│ 4 │ 5 │
╰───┴───╯
-------------------------------------------- /home/bobhy/src/rust/nushell --------------------------------------------
〉1..=5
╭───┬───╮
│ 0 │ 1 │
│ 1 │ 2 │
│ 2 │ 3 │
│ 3 │ 4 │
│ 4 │ 5 │
╰───┴───╯
-------------------------------------------- /home/bobhy/src/rust/nushell --------------------------------------------
〉1..<5
╭───┬───╮
│ 0 │ 1 │
│ 1 │ 2 │
│ 2 │ 3 │
│ 3 │ 4 │
╰───┴───╯
```
# User-Facing Changes

Existing scripts with range operator will continue to operate as
heretofore.

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- [x] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- [x] `cargo test --workspace` to check that all tests pass

# After Submitting

Will update the book to include new syntax.
2023-04-07 06:40:05 -05:00
JT
aded2c1937
Refactor to support multiple parse errors (#8765)
# Description

This is a pretty heavy refactor of the parser to support multiple parser
errors. It has a few issues we should address before landing:

- [x] In some cases, error quality has gotten worse `1 / "bob"` for
example
- [x] if/else isn't currently parsing correctly
- probably others

# User-Facing Changes

This may have error quality degradation as we adjust to the new error
reporting mechanism.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-07 12:35:45 +12:00
Jakub Žádník
e54b867e8e
Remove parser keywords label from commands that do not need it (#8780) 2023-04-07 01:12:21 +03:00
Jakub Žádník
c12b4b4af7
Aliasing math expression shows error earlier (#8779) 2023-04-07 00:40:53 +03:00
Jakub Žádník
87ddba0193
Allow multi-word aliases (#8777) 2023-04-07 00:05:09 +03:00
dependabot[bot]
a29b61bd4f
Bump miette from 5.6.0 to 5.7.0 (#8720) 2023-04-06 20:39:54 +00:00
JT
56efbd7de9
Add IDE support (#8745)
# Description

This adds a set of new flags on the `nu` binary intended for use in
IDEs. Here is the set of supported functionality so far:

* goto-def - go to the definition of a variable or custom command
* type hints - see the inferred type of variables
* check - see the errors in the document (currently only one error is
supported)
* hover - get information about the variable or custom command
* complete - get a completion list at the current position

# User-Facing Changes

No changes to the REPL experience. This only impacts the IDE scenario.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
2023-04-06 07:34:47 +12:00
StevenDoesStuffs
1134c2f16c
Allow NU_LIBS_DIR and friends to be const (#8538) 2023-04-05 19:56:48 +03:00
Stefan Holderbach
d18cf19a3f
Bump to 0.78.1 development version (#8741)
# Description

either just development or hotfix
2023-04-05 13:36:10 +12:00
Stefan Holderbach
2ec2028637
Bump version to 0.78.0 (#8715)
# Description

Version bump for the `0.78.0`

Start to include the version with our `default_config.nu` and
`default_env.nu`

# Checklist

- [x] reedline
- [ ] release notes
2023-04-04 20:47:00 +02:00
Stefan Holderbach
ca4d8008d4
Fix rest of license year ranges (#8727)
# Description

In theory we don't need to include the end of the year range for a
proper MIT license.
2023-04-04 09:03:29 +12:00
JT
0b9fc4ff3a
give better error when a numberlike is used for strings (#8706)
# Description

Before:
```
  × Type mismatch during operation.
   ╭─[source:1:1]
 1 │               def 7zup [] {} 
   ·                   ──┬─
   ·                     ╰── expected string
   ╰────
```

Now:
```
  × Type mismatch during operation.
   ╭─[source:1:1]
 1 │               def 7zup [] {} 
   ·                   ──┬─
   ·                     ╰── expected string, found number-like value (hint: use quotes or backticks)
   ╰────
```

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-04-02 07:48:45 +12:00
JT
3db0aed9f7
Add rest and ignore-rest patterns (#8681)
# Description

Adds two more patterns when working with lists:

```
[1, ..$remainder]
```
and
```
[1, ..]
```
The first one collects the remaining items and assigns them into the
variable. The second one ignores any remaining values.

# User-Facing Changes

Adds more capability to list pattern matching.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-utils/standard_library/tests.nu` to run the
tests for the standard library

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-31 11:08:53 +13:00
Kelvin Samuel
bc6948dc89
Allow parsing of mu (µ) character for durations (issue #8614) (#8647)
# Description
This is to resolve the issue
[8614](https://github.com/nushell/nushell/issues/8614).
It allows the parsing of the mu (µ) character for durations, so you can
type `10µs`, and it correctly outputs, whilst maintaining the current
`us` parsing as well.

It also forces `durations` to be entered in lower case. 


![image](https://user-images.githubusercontent.com/44570273/228217360-57ebc902-cec5-4683-910e-0b18fbe160b1.png)
(The bottom one `1sec | into duration --convert us` looks like an
existing bug, where converting to `us` outputs `us` rather than `µs`)

# User-Facing Changes

Allows the user to parse durations in µs
Forces `durations` to be entered in lower case rather than any case, and
will error if not in lower case.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.

---------

Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com>
2023-03-30 17:35:35 +02:00
JT
393717dbb4
Improve inferred record types and type compat (#8649)
# Description

This allows for type inference to infer record types in more cases. The
only time we will now fall back to `Any` is when one of the fields has a
computed value.

I also updated the type mismatch error and highlighting to be in-line
with other errors.

# User-Facing Changes

This may result in stricter type checking. Previously `{}` had the
inferred type `Any` but will now have the correct inferred type of
`Record<>`.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-29 10:23:10 +13:00
JT
8b185a4008
Improve number-like error if expecting a string (#8645)
# Description

This should give a slightly better error if a position expects a string
and the user writes a number-like value.

# User-Facing Changes

_(List of all changes that impact the user experience here. This helps
us keep track of breaking changes.)_

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-28 21:25:35 +13:00
JT
90b65018b6
Require that values that look like numbers parse as numberlike (#8635)
# Description

Require that any value that looks like it might be a number (starts with
a digit, or a '-' + digit, or a '+' + digits, or a special form float
like `-inf`, `inf`, or `NaN`) must now be treated as a number-like
value. Number-like syntax can only parse into number-like values.
Number-like values include: durations, ints, floats, ranges, filesizes,
binary data, etc.

# User-Facing Changes

BREAKING CHANGE
BREAKING CHANGE
BREAKING CHANGE
BREAKING CHANGE
BREAKING CHANGE
BREAKING CHANGE
BREAKING CHANGE
BREAKING CHANGE

Just making sure we see this for release notes 😅 

This breaks any and all numberlike values that were treated as strings
before. Example, we used to allow `3,` as a bare word. Anything like
this would now require quotes or backticks to be treated as a string or
bare word, respectively.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-28 19:31:38 +13:00
JT
7ec5f2f2eb
Add or-patterns, fix var binding scope (#8633)
# Description

Adds `|` patterns to `match`, allowing you to try multiple patterns for
the same case.

Example:

```
match {b: 1} { {a: $b} | {b: $b} => { print $b } }
```

Variables that don't bind are set to `$nothing` so that they can be
later checked.

This PR also:
fixes #8631 

Creates a set of integration tests for pattern matching also

# User-Facing Changes

Adds `|` to `match`. Fixes variable binding scope. 
# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-27 11:31:57 +13:00
mike
86ae27b0c1
fix unhelpful error message with extra characters in list annotations (#8619)
# Description

with such a line
```nu
def err [list: list<>extra] {}
```
this pr changes the error message from 
```nu
Error: nu::parser::unclosed_delimiter

  × Unclosed delimiter.
   ╭─[entry #69:1:1]
 1 │ def err [list: list<>extra] {}
   ·                ─────┬─────
   ·                      ╰── unclosed >
   ╰────
```
to
```nu
  × Extra characters in the parameter name.
   ╭─[entry #69:1:1]
 1 │ def err [list: list<>extra] {}
   ·                      ──┬──
   ·                        ╰── extra characters
   ╰────
```
2023-03-26 10:59:47 +02:00
mike
d9a888528a
fix unhelpful error message with '@' custom completion (#8620)
# Description

with such a line 
```nu
extern err [--flag: string@]
```
this pr changes the error message from
```nu
Error: nu::parser::unknown_command

  × Unknown command.
   ╭─[entry #69:1:1]
 1 │ extern err [--flag: string@]
   ·                            ▲
   ·                            ╰── unknown command
   ╰────
```
to
```nu
Error: nu::parser::parse_mismatch

  × Parse mismatch during operation.
   ╭─[entry #69:1:1]
 1 │ extern err [--flag: string@]
   ·                            ▲
   ·                            ╰── expected command name
   ╰────
```
2023-03-26 10:58:33 +02:00
Reilly Wood
d409171ba8
Change comparison operators to allow nulls (#8617)
Prior to this PR, the less/greater than operators (`<`, `>`, `<=`, `>=`)
would throw an error if either side was null. After this PR, these
operators return null if either side (or both) is null.

### Examples
```bash 
1 < 3       # true
1 < null    # null
null < 3    # null
null < null # null
```

### Motivation

JT [asked the C#
folks](https://discord.com/channels/601130461678272522/615329862395101194/1086137515053957140)
and this is apparently the approach they would choose for comparison
operators if they could start from scratch.

This PR makes `where` more convenient to use on jagged/missing data. For
example, we can now filter on columns that may not be present in every
row:
```
> [{foo: 123} {}] | where foo? > 10
╭───┬─────╮
│ # │ foo │
├───┼─────┤
│ 0 │ 123 │
╰───┴─────╯
```
2023-03-26 12:10:09 +13:00
mike
744a28b31d
type-check default values of list annotations (#8600)
# Description

@fdncred noticed an
[issue](https://github.com/nushell/nushell/pull/8529#issuecomment-1482770636)
with list annotations that while i was trying to find a fix found
another issue.

innitially, this was accepted by the parser
```nu
def err [list: list<int> = ['a' 'b' 'c']] {}
```

but now an error is raised
```nu
Error: nu::parser::assignment_mismatch

  × Default value wrong type
   ╭─[entry #1:1:1]
 1 │ def err [list: list<int> = ['a' 'b' 'c']] {}
   ·                            ──────┬────
   ·                                   ╰── expected default value to be `list<int>`
   ╰────
```

# User-Facing Changes

none

# Tests + Formatting

done
2023-03-25 08:57:18 +13:00
mike
8cf9bc9993
allow lists to have type annotations (#8529)
this pr refines #8270 and closes #8109

# description
examples:

the original syntax is okay
```nu
def okay [nums: list] {}         # the type of list will be list<any>
```

empty annotations are allowed in any variation
the last two may be caught by a future formatter, 
but do not affect `nu` code currently
```nu
def okay [nums: list<>] {}       # okay

def okay [nums: list<     >] {}  # weird but also okay

def okay [nums: list<
>] {}                            # also weird but okay
```

types are allowed (See [notes](#notes) below)
```nu
def okay [nums: list<int>] {}    # `test [a b c]` will throw an error 

def okay [nums: list< int > {}   # any amount of space within the angle brackets is okay

def err [nums: list <int>] {}    # this is not okay, `nums` and `<int>` will be parsed as
                                 # two separate params, 
```

nested annotations are allowed in many variations
```nu
def okay [items: list<list<int>>] {}

def okay [items: list<list>] {}
```

any unterminated annotation is caught
```nu
Error: nu::parser::unexpected_eof

  × Unexpected end of code.
   ╭─[source:1:1]
 1 │ def err [nums: list<int] {}
   ·                       ▲
   ·                       ╰── expected closing >
   ╰────
```

unknown types are flagged
```nu
Error: nu::parser::unknown_type

  × Unknown type.
   ╭─[source:1:1]
 1 │ def err [nums: list<str>] {}
   ·                     ─┬─
   ·                      ╰── unknown type
   ╰────

Error: nu::parser::unknown_type

  × Unknown type.
   ╭─[source:1:1]
 1 │ def err [nums: list<int, string>] {}
   ·                    ─────┬─────
   ·                          ╰── unknown type
   ╰────
```

# notes
the error message for mismatched types in not as intuitive
```nu
Error: nu::parser::parse_mismatch

  × Parse mismatch during operation.
   ╭─[source:1:1]
 1 │ def err [nums: list<int>] {}; err [a b c]
   ·                                    ┬
   ·                                    ╰── expected int
   ╰────
```
it should be something like this
```nu
Error: nu::parser::parse_mismatch

  × Parse mismatch during operation.
   ╭─[source:1:1]
 1 │ def err [nums: list<int>] {}; err [a b c]
   ·                                    ──┬──
   ·                                      ╰── expected list<int>
   ╰────
```
this is currently not implemented
2023-03-24 12:54:06 +01:00
dependabot[bot]
4a1d12462f
Bump miette from 5.5.0 to 5.6.0 (#8531)
Bumps [miette](https://github.com/zkat/miette) from 5.5.0 to 5.6.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/zkat/miette/blob/main/CHANGELOG.md">miette's
changelog</a>.</em></p>
<blockquote>
<h2>5.6.0 (2023-03-14)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>ci:</strong> configure clippy-specific MSRV (<a
href="b658fc020b">b658fc02</a>)</li>
<li><strong>graphical:</strong> Fix wrong severity of related errors (<a
href="https://redirect.github.com/zkat/miette/issues/234">#234</a>) (<a
href="3497508aa9">3497508a</a>)</li>
<li><strong>atty:</strong> Switch out <code>atty</code> for
<code>is-terminal</code> (<a
href="https://redirect.github.com/zkat/miette/issues/229">#229</a>) (<a
href="443d240f49">443d240f</a>)</li>
</ul>
<h3>Features</h3>
<ul>
<li><strong>protocol:</strong> implement <code>Ord</code> for
<code>Severity</code> (<a
href="https://redirect.github.com/zkat/miette/issues/240">#240</a>) (<a
href="ed486c959d">ed486c95</a>)</li>
</ul>
<p><!-- raw HTML omitted --><!-- raw HTML omitted --></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="78fe18e699"><code>78fe18e</code></a>
chore: Release</li>
<li><a
href="2335b25ee7"><code>2335b25</code></a>
docs: update changelog</li>
<li><a
href="443d240f49"><code>443d240</code></a>
fix(atty): Switch out <code>atty</code> for <code>is-terminal</code> (<a
href="https://redirect.github.com/zkat/miette/issues/229">#229</a>)</li>
<li><a
href="ed486c959d"><code>ed486c9</code></a>
feat(protocol): implement <code>Ord</code> for <code>Severity</code> (<a
href="https://redirect.github.com/zkat/miette/issues/240">#240</a>)</li>
<li><a
href="3497508aa9"><code>3497508</code></a>
fix(graphical): Fix wrong severity of related errors (<a
href="https://redirect.github.com/zkat/miette/issues/234">#234</a>)</li>
<li><a
href="b658fc020b"><code>b658fc0</code></a>
fix(ci): configure clippy-specific MSRV</li>
<li><a
href="ebc61b5cf8"><code>ebc61b5</code></a>
docs: Mention miette::miette! macro under &quot;... in application
code&quot; (<a
href="https://redirect.github.com/zkat/miette/issues/233">#233</a>)</li>
<li><a
href="14f952dc91"><code>14f952d</code></a>
(cargo-release) start next development iteration 5.5.1-alpha.0</li>
<li><a
href="128c0a1fae"><code>128c0a1</code></a>
(cargo-release) start next development iteration 5.5.1-alpha.0</li>
<li>See full diff in <a
href="https://github.com/zkat/miette/compare/miette-derive-v5.5.0...miette-derive-v5.6.0">compare
view</a></li>
</ul>
</details>
<br />


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2023-03-24 22:55:25 +13:00
JT
8d5fbc6fcb
Fix closures that use matches. Move 'collect' to core. (#8596)
# Description

Fix patterns in pattern matching to properly declare their variables
when discovering which variables need to be closed over when creating a
closure.

Also, moves `collect` to core, so that the core language can use `$in`.

Fixes #8595 

# User-Facing Changes

See above

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-24 22:50:23 +13:00
JT
546c753d1e
Move timeit to use blocks. Make match vars immutable (#8592)
# Description

This does a couple random changes/fixes:

* Moves `timeit` to use a block instead of a closure. This makes it a
bit more flexible.
* Moves var bindings in patterns to be immutable

# User-Facing Changes

`timeit` now takes a block and no arguments.

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-24 17:33:11 +13:00
JT
2c3aade057
Add pattern matching (#8590)
# Description

This adds `match` and basic pattern matching.

An example:

```
match $x {
  1..10 => { print "Value is between 1 and 10" }
  { foo: $bar } => { print $"Value has a 'foo' field with value ($bar)" }
  [$a, $b] => { print $"Value is a list with two items: ($a) and ($b)" }
  _ => { print "Value is none of the above" }
}
```

Like the recent changes to `if` to allow it to be used as an expression,
`match` can also be used as an expression. This allows you to assign the
result to a variable, eg) `let xyz = match ...`

I've also included a short-hand pattern for matching records, as I think
it might help when doing a lot of record patterns: `{$foo}` which is
equivalent to `{foo: $foo}`.

There are still missing components, so consider this the first step in
full pattern matching support. Currently missing:
* Patterns for strings
* Or-patterns (like the `|` in Rust)
* Patterns for tables (unclear how we want to match a table, so it'll
need some design)
* Patterns for binary values
* And much more

# User-Facing Changes

[see above]

# Tests + Formatting

Don't forget to add tests that cover your changes.

Make sure you've run and fixed any issues with these commands:

- `cargo fmt --all -- --check` to check standard code formatting (`cargo
fmt --all` applies these changes)
- `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- `cargo test --workspace` to check that all tests pass

> **Note**
> from `nushell` you can also use the `toolkit` as follows
> ```bash
> use toolkit.nu # or use an `env_change` hook to activate it
automatically
> toolkit check pr
> ```

# After Submitting

If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-24 14:52:01 +13:00