cmp-nvim-lsp

nvim-cmp source for neovim's built-in language server client.

Capabilities

Language servers provide different completion results depending on the capabilities of the client. Neovim's default omnifunc has basic support for serving completion candidates. nvim-cmp supports more types of completion candidates, so users must override the capabilities sent to the server such that it can provide these candidates during a completion request. These capabilities are provided via the helper function require('cmp_nvim_lsp').default_capabilities

As these candidates are sent on each request, adding these capabilities will break the built-in omnifunc support for neovim's language server client. nvim-cmp provides manually triggered completion that can replace omnifunc. See :help cmp-faq for more details.

Setup

require'cmp'.setup {
  sources = {
    { name = 'nvim_lsp' }
  }
}

-- The nvim-cmp almost supports LSP's capabilities so You should advertise it to LSP servers..
local capabilities = require('cmp_nvim_lsp').default_capabilities()

-- An example for configuring `clangd` LSP to use nvim-cmp as a completion engine
require('lspconfig').clangd.setup {
  capabilities = capabilities,
  ...  -- other lspconfig configs
}

Option

[%LSPCONFIG-NAME%].keyword_pattern

You can override keyword_pattern for specific language-server like this.

cmp.setup {
  ...
  sources = {
    {
      name = 'nvim_lsp',
      option = {
        php = {
          keyword_pattern = [=[[\%(\$\k*\)\|\k\+]]=],
        }
      }
    }
  }
  ...
}

Readme!

There is a Github issue that documents breaking changes for cmp-nvim-lsp. Subscribe to the issue to be notified of upcoming breaking changes.
This is my hobby project. You can support me via GitHub sponsors.
Bug reports are welcome, but don't expect a fix unless you provide minimal configuration and steps to reproduce your issue.

License

hrsh7th/cmp-nvim-lsp

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