nvim: IDE stuff

it's all cool and LSP-ey now wow

src/.config/nvim/init.vim

@@ -162,6 +162,11 @@ Plug 'nvim-treesitter/nvim-treesitter'
 
 Plug 'axieax/urlview.nvim'
 
+Plug 'neovim/nvim-lspconfig'
+Plug 'nvim-lua/completion-nvim'
+Plug 'nvim-lua/lsp-status.nvim'
+Plug 'stevearc/dressing.nvim'
+
 call plug#end()
 
 " copy URL under cursor to clipboard bind

src/.config/nvim/lua/init.lua

@@ -23,3 +23,43 @@ require("urlview").setup({
 		next = "<leader>uh",
 	},
 })
+
+local nvim_lsp = require('lspconfig')
+
+local on_attach = function(client, bufnr)
+  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+  -- Enable completion triggered by <c-x><c-o>
+  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  local opts = { noremap=true, silent=true }
+  buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+  buf_set_keymap('n', 'gK', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+  buf_set_keymap('n', 'gs', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+  buf_set_keymap('n', 'gt', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+end
+
+local servers = { 'pylsp', 'clangd' }
+for _, lsp in ipairs(servers) do
+nvim_lsp[lsp].setup {
+	on_attach = on_attach,
+	flags = {
+		debounce_text_changes = 150,
+	}
+}
+end
+
+-- fancy prompts
+require('dressing').setup({
+	input = {
+		insert_only = false,
+	}
+})

src/.config/nvim/makefile

@@ -3,3 +3,7 @@
 ~/.cache/termdebug/%: %.cpp
 	mkdir -p ~/.cache/termdebug/
 	$(LINK.cpp) -g -Wall -Wpedantic $^ $(LOADLIBES) $(LDLIBS) -o $@
+
+~/.cache/termdebug/%: %.c
+	mkdir -p ~/.cache/termdebug/
+	$(LINK.c) -g -Wall -Wpedantic $^ $(LOADLIBES) $(LDLIBS) -o $@