In a sequence of value-level operators, whitespace does not affect relative precedence. Functional operators still follow the space-precedence rules.
The "functional" operators are: `>> << |> |>> <| <<| : .`, application, and any operator containing `<-` or `->`. All other operators are considered value-level operators.
Asymmetric whitespace can still be used to form *operator sections* of value-level operators, e.g. `+2 * 3` is still equivalent to `x -> (x+2) * 3`.
Precedence of application is unchanged, so `f x+y` is still equivalent to `f (x + y)` and `f x+y * z` is still equivalent to `(f (x + y)) * z`.
Any attempt to use spacing to override value-level operator precedence will be caught by the new enso linter. Mixed spacing (for clarity) in value-operator expressions is allowed, as long as it is consistent with the precedences of the operators.
Closes#10366.
# Important Notes
Precedence warnings:
- The parser emits a warning if the whitespace in an expression is inconsistent with its effective precedence.
- A new enso linter can be run with `./run libraries lint`. It parses all `.enso` files in `distribution/lib` and `test`, and reports any errors or warnings. It can also be run on individual files: `cargo run --release --bin check_syntax -- file1 file2...` (the result may be easier to read than the `./run` output).
- The linter is also run as part of `./run lint`, so it is checked in CI.
Additional language change:
- The exponentiation operator (`^`) now has higher precedence than the multiplication class (`*`, `/`, `%`). This change did not affect any current enso files.
Library changes:
- The libraries have been updated. The new warnings were used to identify all affected code; the changes themselves have not been programmatically verified (in many cases their equivalence relies on the commutativity of string concatenation).
- Removes `First` and `Last` from the `Standard.Base` exports.
- Enable auto-scoping for all `Index_Sub_Range` and `Text_Sub_Range`.
- Update all use of those methods to use auto-scoping.
- Rename `Location.Start` to `Location.Left`.
- Rename `Location.End` to `Location.Right`.
- Use auto-scoping for `Location`.
- Tune widgets for `Text.trim`.
- Correct signature of `Text.split`.
- Adjist `generateLocallyUniqueIdent` to not fail on bad signature.
- remove legacy matrix and object types from vue component and any further code relating to those
- remove the index and index header being sent in the json for tables
- add has_index_col flag for json hat previously sent 'indicies_header' and 'indicies' so that index/# column is still rendered where required
- Add ranged number widget to `at` and `get`.
- Add defaults to `at` and `get` picking the first item.
- PRIVATE on various Excel_Workbook methods. It still works like a connection but not shown in CB.
close#9656
Changelog:
- add: `ai/completion_v2` method
- add: `Visualization.AI.print` method for converting the expression to text format
- update: The default system prompt was updated to tell AI to use the `Visualization.AI.print` method for printing.
# Important Notes
The project [New_Project_1.zip](https://github.com/enso-org/enso/files/15152993/New_Project_1.zip) contains the following main file:
```py
from Standard.Base import all
from Standard.Table import all
from Standard.Database import all
from Standard.AWS import all
import Standard.Visualization
import Standard.Visualization.Warnings
from Standard.Base.Errors.Common import Dry_Run_Operation
type Student
Value id region
main =
operator70395 = 226
operator47321 = 'east'
operator76980 = Student.Value operator70395 operator47321
operator31302 = operator47321.words True
operator91574 = 1
operator34358 = operator47321.take (Index_Sub_Range.By_Index [0, operator91574])
#### METADATA ####
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{"ide":{"node":{"e3b7fac7-0c08-4f20-8a0c-a58f1b118097":{"position":{"vector":[-224,13]}},"bb556514-570d-4a87-8b2a-6e7f198a975f":{"position":{"vector":[115,19]}},"71a97e88-9b19-4ec9-b3c8-ffd2940c4cb8":{"position":{"vector":[-224,-51]}},"c7bbc3e7-1377-429e-b60a-0c2d2cd4ea74":{"position":{"vector":[360,19]},"visualization":{"show":false,"fullscreen":false,"width":200}},"f2158ac6-2dd5-482d-9f3d-0bf4812d6d6e":{"position":{"vector":[297,-45]},"visualization":{"show":false,"fullscreen":false,"width":96}},"9457c3f8-c878-4f01-a5c7-39336f163a28":{"position":{"vector":[640,40]},"visualization":{"show":false,"fullscreen":false,"width":200}},"b2df8ba8-683c-45c2-9932-8e1c970c799a":{"position":{"vector":[219,-80]},"visualization":{"show":true,"fullscreen":false,"width":200}},"f40730ff-ac6c-45db-8970-534f3becda2a":{"position":{"vector":[219,-48]}}},"import":{}}}
```
To test the functionality, I asked AI to show me the result of the `operator70395` variable:
1. Init protocol connection
```json
{"jsonrpc":"2.0","id":0,"method":"session/initProtocolConnection","params":{"clientId":"d8e948fd-6418-43c8-9f02-54827f09e10a"}}
```
2. Create execution context
```json
{"jsonrpc":"2.0","id":0,"method":"session/initProtocolConnection","params":{"clientId":"d8e948fd-6418-43c8-9f02-54827f09e10a"}}
```
3. Push the main method
```json
{"jsonrpc":"2.0","id":0,"method":"executionContext/push","params":{"contextId":"730a66ef-4222-46f8-8a03-d766946ab2bd","stackItem":{"methodPointer":{"module":"local.New_Project_1.Main","definedOnType":"local.New_Project_1.Main","name":"main"},"positionalArgumentsExpressions":[],"type":"ExplicitCall"}}}
```
4. Ask AI for the variable contents
```json
{"jsonrpc":"2.0","id":1,"method":"ai/completion_v2","params":{"contextId":"730a66ef-4222-46f8-8a03-d766946ab2bd","expressionId":"f09a4372-3231-4f2e-99f4-84aa751f9b60","prompt":"There is 'operator70395' variable defined in the program. What is the result of the variable 'operator70395'?"}}
```
I got the following responses:
```json
{"jsonrpc":"2.0","method":"ai/completionProgress","params":{"code":"Visualization.AI.print(operator70395)","reason":"To provide the result of 'operator70395', I need to know its current value.","visualizationId":"edfb00a3-6ce5-41e1-bb8f-ab191809114e"}}
```
```json
{"jsonrpc":"2.0","id":1,"result":{"Success":{"fn":"def get_operator70395_result():\n return operator70395","fnCall":"get_operator70395_result()"}}}
```
Move the types from `Standard.Table.Data` to `Standard.Table`.
Exceptions:
- `Standard.Table.Data.Report_Unmatched` => `Standard.Table.Constants`.
- `Standard.Table.Data.Join_Kind_Cross` => `Standard.Table.Internal.Join_Kind_Cross`.
Also removed constructor as an atom type.
- `Standard.Table.Extensions.Table_Ref` => `Standard.Table.Internal.Table_Ref`.
- `Standard.Table.Data.Type.Value_Type_Helpers` => `Standard.Table.Internal.Value_Type_Helpers`.
- `Standard.Table.Data.Type.Enso_Types` => `Standard.Table.Internal.Value_Type_Helpers`.
- `Standard.Table.Data.Type.Storage` => `Standard.Table.Internal.Storage`.
Changed all `Standard.Table` imports inside project to be project.
Favoured importing from `Standard.Table.Main` in `Standard.Database`.
Also fixed some linting in Enso_File.
Fixes#9313
[Screencast from 2024-03-22 09-09-07.webm](https://github.com/enso-org/enso/assets/3919101/6ad86145-6882-4bde-993d-b1270f1ec06c)
# Important Notes
* This is PoC, so I didn't spend time on polishing the visuals; the design will likely change.
* I modified the shortcut handler a bit, allowing making multiple actions for same binding - the action's handler will be called in unspecified order, until one of them handle the event (i.e. not return false).
* To make it working regardless of imports, I needed to export AI module in Standard.Visualization. Moreover, needed to remove build_ai_prompt for Any, because it was causing issues - expect a bug report soon.
- ✅Linting fixes and groups.
- ✅Add `File.from that:Text` and use `File` conversions instead of taking both `File` and `Text` and calling `File.new`.
- ✅Align Unix Epoc with the UTC timezone and add converting from long value to `Date_Time` using it.
- ❌Add simple first logging API allowing writing to log messages from Enso.
- ✅Fix minor style issue where a test type had a empty constructor.
- ❌Added a `long` based array builder.
- Added `File_By_Line` to read a file line by line.
- Added "fast" JSON parser based off Jackson.
- ✅Altered range `to_vector` to be a proxy Vector.
- ✅Added `at` and `get` to `Database.Column`.
- ✅Added `get` to `Table.Column`.
- ✅Added ability to expand `Vector`, `Array` `Range`, `Date_Range` to columns.
- ✅Altered so `expand_to_column` default column name will be the same as the input column (i.e. no `Value` suffix).
- ✅Added ability to expand `Map`, `JS_Object` and `Jackson_Object` to rows with two columns coming out (and extra key column).
- ✅ Fixed bug where couldn't use integer index to expand to rows.
Implements `Warnings.get_all wrap_errors=True` which wraps warnings attached to values inside vectors with `Map_Error`, which includes the position of the value within the vector. See [the documentation](https://github.com/enso-org/enso/blob/develop/docs/semantics/wrapped-errors.md) for more details.
`get_all wrap_errors=True` does not change the warnings that are attached to values -- it wraps them before returning them to the caller, but does not change the original warnings attached to the values.
Wrapped warnings only appear attached to the vector itself. The values inside the vector do not have their warnings wrapped.
Warning propagation is not changed at all; `Warnings.get_all` (with default `wrap_errors=False`) behaves as before. `get_all wrap_errors=True` is meant to be used primarily by the IDE, although it can be used anywhere this wrapping is desired.
* Test illustrating problems with FQNs
Inline execution fails with `Compile error: The name `Standard` could
not be found.`.
* Ensure InlineContext carries Package Repos info
Previously, there was no requirement that inline execution should allow
for FQNs. This meant that the omission of Package Repository info went
unnoticed.
In order to be able to refer to `Standard.Visualization.Preprocessor` it
has to be exported as well.
- Sets the default limit for `Table.read` in Database to be max 1000 rows.
- The limit for in-memory compatible API still defaults to `Nothing`.
- Adds a warning if there are more rows than limit.
- Enables a few unrelated asserts.
- Added a `FileSystemSPI` allowing protocol resolution to a target type.
- Separated `Input_Stream` and `Output_Stream` from `File` to allow use in other spaces.
- `File_Format` types `read_web` changed to be `read_stream` working with `InputStream`.
- Added directory listing to `Auto_Detect` allowing for `Data.read` to list a folder.
- Adjusted HTTP to return an `InputStream` not a `byte[]`:
- `Response_Body` adjusted to wrap an `InputStream`.
- Added ability to materialize to either and in-memory vector (<4KB) or a temporary file.
- `Data.fetch` will materialize if not a recognized mime-type.
- Added `HTTP_Error` to handle IO exceptions from the stream.
- `Excel_Format` now supports mime-type and reading a stream.
- `Excel_Workbook` can now get a `Excel_Section` using `read_section`.
- Added S3 APIs:
- `parse_uri`: splits an S3 URI into bucket and key.
- `list_objects`: list the items in a S3 bucket with specified prefix.
- `read_bucket`: list prefixes and keys with a delimiter in a S3 bucket with specified prefix.
- `head`: either head_bucket (tests existance) or head_object API (reads object meta data).
- `get_object`: gets an object from S3 returning as a `Response_Body`.
- Added `S3_File` type acting like a `File`:
- No support for writing in this PR.
- **ToDo:** recursive listing, glob filtering, exists, size.
- Fixed a few invalid type signature line.
- Moved `create` methods for `Postgres_Connection` and `SQLite_Connection` into type instead of module.
- Renamed `Column_Fetcher.Builder` to `Column_Fetcher_Builder`.
- Fixed bug with `select_into` in Dry Run mode creating permanent tables.
**ToDo:** Unit tests.
- Update list of groups to agreed list.
- Lower case `ALIAS` names to be consistent with function names.
- Add `GROUP` to methods.
- All constructors and functions have doc comments.
- Correct a few typos (e.g. `PRVIATE`).
- Mark some more things as `PRIVATE`.
- Use `ToDo:` and `Note:` consistently.
- Order tags in doc comment.
# Important Notes
We don't have all the doc comments on types and will want to add them in future,
Mostly stuff to tidy up the static methods in the CB.
- Remove default pattern from `parse_to_table` (caused IDE to freeze).
- Rename any `_` arguments to what they are.
- Merge `Date.now` into `Date.today`
- Merge the Interval constructors into a single constructor.
- Hide various methods.
Fixes#6955 by:
- using `visualisationModule` to specify the module where the visualization is to be used
- referring to method in `Meta.get_annotation` with `.method_name` - e.g. unresolved symbol notation
- evaluating arguments to `Meta.get_annotation` in the context of the user module (which can access the extension functions)
- Removed `module` argument from `enso_project` (new `Project_Description.new` API).
- Removed the custom option from date and time parse/format dropdowns.
- The `format` dropdown uses the value to create the dropdown. (Screenshot below)
- Removed `StorageType` coalescing rules and replaced them with simpler logic in `ObjectStorage`.
- Update signature for `add_row_number` and add aliases.
