Update

UltiSnips/lean.snippets

@@ -0,0 +1,37 @@
+snippet ß "Backslash" A
+\\
+endsnippet
+
+snippet <> "Add sharp brackets"
+⟨$1⟩$0
+endsnippet
+
+snippet | "dvd"
+∣
+endsnippet
+
+snippet () "Braces"
+($1)$0
+endsnippet
+
+# Mengen
+snippet N "Natural number"
+ℕ
+endsnippet
+
+snippet Z "Whole numbers"
+ℤ
+endsnippet
+
+snippet R "Real"
+ℝ
+endsnippet
+
+# Quantoren
+snippet E "Exists"
+∃
+endsnippet
+
+snippet A "All"
+∀
+endsnippet

lua/plugconfig.lua

@@ -25,6 +25,11 @@ require("pascal_mode")
 -- Ada mode (supported by plugins)
 require("ada_mode")
 
+-- Markdown Preview
+vim.g.mkdp_auto_start = 0
+vim.g.mkdp_browser = "epiphany"
+vim.g.mkdp_echo_preview_url = 1
+
 -- Misc configuration
 if vim == nil then
 	vim = {}

lua/plugins.lua

@@ -58,12 +58,26 @@ return {
 	"f-person/git-blame.nvim",
 	"dstein64/vim-startuptime",
 	"hiphish/rainbow-delimiters.nvim",
+	{
+		"iamcco/markdown-preview.nvim",
+		cmd = { "MarkdownPreviewToggle", "MarkdownPreview", "MarkdownPreviewStop" },
+		build = "cd app && npm install",
+		init = function()
+			vim.g.mkdp_filetypes = { "markdown" }
+		end,
+		ft = { "markdown" },
+	},
 
 	-- Themes
 	"folke/tokyonight.nvim",
 	"patstockwell/vim-monokai-tasty",
 	"hiroakis/cyberspace.vim",
 	"jaredgorski/spacecamp",
+	{
+		"scottmckendry/cyberdream.nvim",
+		lazy = false,
+		priority = 1000,
+	},
 
 	-- Code completion / Menu
 	"hrsh7th/nvim-cmp",
@@ -111,4 +125,30 @@ return {
 			{ "<leader>wT", "<cmd>lua require('neowiki').open_wiki_new_tab()<cr>", desc = "Open Wiki in Tab" },
 		},
 	},
+
+	-- Lean
+	{
+		"Julian/lean.nvim",
+		event = { "BufReadPre *.lean", "BufNewFile *.lean" },
+
+		dependencies = {
+			"neovim/nvim-lspconfig",
+			"nvim-lua/plenary.nvim",
+
+			-- optional dependencies:
+
+			-- a completion engine
+			--    hrsh7th/nvim-cmp or Saghen/blink.cmp are popular choices
+
+			-- 'nvim-telescope/telescope.nvim', -- for 2 Lean-specific pickers
+			-- 'andymass/vim-matchup',          -- for enhanced % motion behavior
+			-- 'andrewradev/switch.vim',        -- for switch support
+			-- 'tomtom/tcomment_vim',           -- for commenting
+		},
+
+		---@type lean.Config
+		opts = { -- see below for full configuration options
+			mappings = true,
+		},
+	},
 }

lua/vanilla.lua

@@ -29,7 +29,6 @@ vim.opt.encoding = "UTF-8"
 vim.g.tex_flavor = "latex"
 vim.opt.conceallevel = 2
 vim.opt.showmatch = true
-vim.o.guifont = "Source Code Pro:h13"
 
 -- set color scheme
 vim.opt.termguicolors = true
@@ -46,3 +45,61 @@ vim.keymap.set("n", "<leader>lm", ":set number<cr>")
 -- switch mode
 vim.keymap.set("n", "<leader>na", ":set norelativenumber<cr>")
 vim.keymap.set("n", "<leader>nr", ":set relativenumber<cr>")
+
+-- Nix mode
+local nix_interpreter_buffer = -1
+local nix_interpreter_window = -1
+
+-- @name run_nix_interpreter
+-- @param
+-- @short Run nix and output to a buffer on the right
+local function run_nix_interpreter()
+	local original_win = vim.api.nvim_get_current_win()
+	vim.cmd("vsplit")
+	nix_interpreter_buffer = vim.api.nvim_create_buf(false, true)
+	vim.api.nvim_win_set_buf(0, nix_interpreter_buffer)
+	nix_interpreter_window = vim.api.nvim_get_current_win()
+	vim.api.nvim_set_current_win(original_win)
+end
+
+-- @name update_nix_interpreter
+-- @param
+-- @short Run nix enterpreter on that file.
+local function update_nix_interpreter()
+	local filename = vim.api.nvim_buf_get_name(0)
+	if filename == "" then
+		vim.api.nvim_buf_set_lines(nix_interpreter_buffer, 0, -1, false, {
+			"Error: Current buffer has no file name.",
+		})
+		return
+	end
+	local cmd = { "nix-instantiate", "--eval", "--strict", filename }
+	local output = vim.fn.systemlist(cmd)
+	if vim.v.shell_error ~= 0 then
+		table.insert(output, 1, "Error running nix-instantiate:")
+	end
+	vim.api.nvim_buf_set_lines(nix_interpreter_buffer, 0, -1, false, output)
+end
+
+-- @name close_nix_interpreter
+-- @param
+-- @short Closes the window and buffer of the interpreter
+local function close_nix_interpreter()
+	vim.api.nvim_buf_delete(nix_interpreter_buffer, { unload = true })
+	vim.api.nvim_win_close(nix_interpreter_window, true)
+end
+
+vim.api.nvim_create_autocmd({ "BufEnter" }, {
+	pattern = { "*.nix" },
+	callback = run_nix_interpreter,
+})
+
+vim.api.nvim_create_autocmd({ "BufWritePost" }, {
+	pattern = { "*.nix" },
+	callback = update_nix_interpreter,
+})
+
+vim.api.nvim_create_autocmd({ "BufLeave" }, {
+	pattern = { "*.nix" },
+	callback = close_nix_interpreter,
+})