1 files changed, 79 insertions, 0 deletions
diff --git a/after/plugin/lsp.lua b/after/plugin/lsp.lua
new file mode 100644
index 0000000..6eb1ebb
--- /dev/null
+++ b/after/plugin/lsp.lua
@@ -0,0 +1,79 @@
+local lspconfig = require('lspconfig')
+local cmp = require('cmp')
+local cmp_lsp = require('cmp_nvim_lsp')
+
+local nn = require('util').nn
+
+cmp.setup({
+	snippet = {
+		expand = function(args)
+			require('luasnip').lsp_expand(args.body)
+		end,
+	},
+	window = {
+		-- completion = cmp.config.window.bordered(),
+		-- documentation = cmp.config.window.bordered(),
+	},
+	mapping = cmp.mapping.preset.insert({
+		['<C-b>'] = cmp.mapping.scroll_docs(-4),
+		['<C-f>'] = cmp.mapping.scroll_docs(4),
+		['<C-Space>'] = cmp.mapping.complete(),
+		['<C-e>'] = cmp.mapping.abort(),
+		['<Tab>'] = cmp.mapping.select_next_item(),
+		['<S-Tab>'] = cmp.mapping.select_prev_item(),
+		-- Accept currently selected item. Set `select` to `false` to only 
+		-- confirm explicitly selected items.
+		['<Tab>'] = cmp.mapping.confirm({ select = true }), 
+	}),
+	sources = {
+		{ name = 'nvim_lsp' },
+		{ name = 'buffer' },
+		{ name = 'path' },
+		-- For luasnip users.
+		{ name = 'luasnip' },
+	},
+})
+
+-- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
+cmp.setup.cmdline({ '/', '?' }, {
+	mapping = cmp.mapping.preset.cmdline(),
+	sources = {
+		{ name = 'buffer' }
+	}
+})
+
+-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+cmp.setup.cmdline(':', {
+	mapping = cmp.mapping.preset.cmdline(),
+	sources = cmp.config.sources({
+		{ name = 'path' }
+	}, {
+		{ name = 'cmdline' }
+	}),
+	matching = { disallow_symbol_nonprefix_matching = false }
+})
+
+local function onattach(client, buf)
+	nn("gD", vim.lsp.buf.declaration)
+	nn("gd", vim.lsp.buf.definition)
+	nn("<Leader>K", vim.lsp.buf.hover)
+	nn("gi", vim.lsp.buf.implementation)
+	nn("<C-k>", vim.lsp.buf.signature_help)
+	nn("<Leader>D", vim.lsp.buf.type_definition)
+	nn("<Leader>r", vim.lsp.buf.rename)
+	nn("<Leader>A", vim.lsp.buf.code_action)
+	nn("<Leader>R", vim.lsp.buf.references)
+	nn("<Leader>f", vim.lsp.buf.format)
+end
+
+local caps = vim.lsp.protocol.make_client_capabilities()
+caps = cmp_lsp.default_capabilities(caps)
+
+local servers = {'clangd', 'rust_analyzer', 'zls', 'texlab'}
+for _, lsp in pairs(servers) do
+	lspconfig[lsp].setup {
+		capabilities = caps,
+		on_attach = onattach,
+		flags = { debounce_text_changes = 500 }
+	}
+end