Module handlers 

LSP protocol handlers.

This module contains all Language Server Protocol request handlers for deps-lsp. Each handler is responsible for a specific LSP feature:

• completion: Package name and version completions
• hover: Hover documentation with crate metadata
• inlay_hints: Inline version annotations
• diagnostics: Outdated/yanked version warnings
• code_actions: Quick fixes (e.g., “Update to latest version”)
• code_lens: “Update N outdated dependencies” document-scoped lens
• document_link: Clickable references to other files (e.g. pip’s -r/-c)

Handler Architecture

Handlers delegate to ecosystem-specific implementations via the Ecosystem trait. Each ecosystem (Cargo, npm, PyPI) provides its own implementation of LSP features.

The general flow is:

1. Extract document state and ecosystem from ServerState
2. Delegate to ecosystem.generate_*() methods
3. Return LSP-compliant response types
4. Gracefully degrade on errors (never panic)

Examples

use deps_lsp::document::ServerState;
use std::sync::Arc;

let state = Arc::new(ServerState::new());
// Handlers use state.get_document() and ecosystem_registry

Modules

code_actions

Code actions handler using ecosystem trait delegation.

code_lens

Code lens handler: “Update N outdated dependencies”.

completion

Completion handler implementation.

diagnostics

Diagnostics handler using ecosystem trait delegation.

document_link

Document link handler using ecosystem trait delegation.

hover

Hover handler using ecosystem trait delegation.

inlay_hints

Inlay hints handler using ecosystem trait delegation.