features.md

Features

LSP4IntelliJ surfaces these LSP capabilities in JetBrains IDEs.

Note: Features are mainly tested on IntelliJ IDEA.

Table of Contents

• Code Completion (with code snippet support)
• Code Formatting
• Diagnostics
• Code Actions
• Go to Definition
• Go to References / Find Usages
• Hover Support
• Workspace Symbols
• Renaming Support
• Work in progress

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Code Completion (with code snippet support)

Press Ctrl+Space to see the completion items list, which depends on your cursor position. Code completion items also pop up automatically based on your language-server-specific trigger characters.

For code snippets, use Tab/Enter to navigate to the next placeholder position, or Esc to apply the snippet with default values.

Code Formatting

Navigate to Code → Reformat Code to open a dialog that lets you format the whole file or a selected range.

Diagnostics

To see diagnostics (errors, warnings, etc.), hover over them to view the message.

Code Actions

Hover over any diagnostic highlight to view and apply related code actions via the light bulb that pops up.

Go to Definition

Use Ctrl+Click (Cmd+Click on macOS) to navigate to a symbol's definition.

Go to References / Find Usages

Use Ctrl+Click (Cmd+Click on macOS) or Shift+Alt+F7 on a symbol to view its references/usages.

Hover Support

Hover over an element while pressing Ctrl (Cmd on macOS) to view its documentation, if available.

Workspace Symbols

Click Navigate in the top menu, then Symbol…, and enter the name of the symbol you want to search for.

Renaming Support

Place the cursor on the element to rename and press Shift+F6 to trigger in-place renaming.

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Work in progress

• Signature Help