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language_server_protocol.md: update "Supported Features"

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Yann Cébron 2024-08-13 10:50:15 +02:00
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7
topics/intro/content_updates.md
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@ -12,6 +12,13 @@ See [GitHub Changelog](https://github.com/JetBrains/intellij-sdk-docs/commits/ma
## 2024
### August
{august-24}
Minor Changes and Additions
:
- Updated list of [supported features](language_server_protocol.md#supported-features) for Language Server Protocol (LSP).
### July
{july-24}

46
topics/reference_guide/custom_language_support/language_server_protocol.md
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@ -107,21 +107,37 @@ The LSP API sources are bundled in IntelliJ IDEA Ultimate and can be found withi
The LSP support provided by the IntelliJ Platform covers the following features for these releases:
### 2023.2
### 2024.2
- Errors and warnings highlighting [textDocument/publishDiagnostics](https://microsoft.github.io/language-server-protocol/specification/#textDocument_publishDiagnostics)
- Quick fixes for errors and warnings ([textDocument/codeAction](https://microsoft.github.io/language-server-protocol/specification/#textDocument_codeAction))
- Code completion ([textDocument/completion](https://microsoft.github.io/language-server-protocol/specification/#textDocument_completion))
- Go to Declaration ([textDocument/definition](https://microsoft.github.io/language-server-protocol/specification/#textDocument_definition))
- Find Usages ([`textDocument/references`](https://microsoft.github.io/language-server-protocol/specification#textDocument_references))
- Completion Item Resolve Request ([`completionItem/resolve`](https://microsoft.github.io/language-server-protocol/specification/#completionItem_resolve))
- Code Action Resolve Request ([`codeAction/resolve`](https://microsoft.github.io/language-server-protocol/specification/#codeAction_resolve))
### 2023.3
### 2024.1
- Intention actions ([textDocument/codeAction](https://microsoft.github.io/language-server-protocol/specification/#textDocument_codeAction))
- Code formatting ([textDocument/formatting](https://microsoft.github.io/language-server-protocol/specification/#textDocument_formatting))
- Communication channel: Socket
- Execute a command ([`workspace/executeCommand`](https://microsoft.github.io/language-server-protocol/specification/#workspace_executeCommand))
- Apply a WorkspaceEdit ([`workspace/applyEdit`](https://microsoft.github.io/language-server-protocol/specification/#workspace_applyEdit))
- Show Document Request ([`window/showDocument`](https://microsoft.github.io/language-server-protocol/specification/#window_showDocument))
### 2023.3.2
- Quick documentation ([textDocument/hover](https://microsoft.github.io/language-server-protocol/specification#textDocument_hover))
- Quick documentation ([`textDocument/hover`](https://microsoft.github.io/language-server-protocol/specification#textDocument_hover))
- Client-side file watcher ([`workspace/didChangeWatchedFiles`](https://microsoft.github.io/language-server-protocol/specification#workspace_didChangeWatchedFiles))
### 2023.3
- Intention actions ([`textDocument/codeAction`](https://microsoft.github.io/language-server-protocol/specification/#textDocument_codeAction))
- Code formatting ([`textDocument/formatting`](https://microsoft.github.io/language-server-protocol/specification/#textDocument_formatting))
- Request cancellation ([`$/cancelRequest`](https://microsoft.github.io/language-server-protocol/specification/#cancelRequest))
### 2023.2
- Communication channel: StdIO
- Errors and warnings highlighting ([`textDocument/publishDiagnostics`](https://microsoft.github.io/language-server-protocol/specification/#textDocument_publishDiagnostics))
- Quick-fixes for errors and warnings ([`textDocument/codeAction`](https://microsoft.github.io/language-server-protocol/specification/#textDocument_codeAction))
- Code completion ([`textDocument/completion`](https://microsoft.github.io/language-server-protocol/specification/#textDocument_completion))
- Go to Declaration ([`textDocument/definition`](https://microsoft.github.io/language-server-protocol/specification/#textDocument_definition))
## Basic Implementation
@ -161,10 +177,14 @@ A dedicated <control>Language Services</control> status bar widget is available
Override `LspServerSupportProvider.createLspServerWidgetItem()` to provide a custom icon and link to [Settings](settings.md) page (if available).
```kotlin
override fun getLspServerWidgetItem(lspServer: LspServer,
currentFile: VirtualFile?) =
LspServerWidgetItem(lspServer, currentFile,
FooIcons.PluginIcon, FooConfigurable::class.java)
override fun getLspServerWidgetItem(
lspServer: LspServer,
currentFile: VirtualFile?
) =
LspServerWidgetItem(
lspServer, currentFile,
FooIcons.PluginIcon, FooConfigurable::class.java
)
```
If there are configuration problems preventing from starting an LSP server, the plugin can provide a widget item