feat(languages): Add support for idris2

lua/filetypes.lua

@@ -9,5 +9,6 @@ vim.filetype.add({
 			vim.bo[bufnr].tabstop = 2
 			return "typst"
 		end,
+		idr = "idris2",
 	},
 })

lua/plugins/languages/idris2.lua

@@ -0,0 +1,126 @@
+local function get_ipkg_executable(ipkg_path)
+	local file = io.open(ipkg_path)
+
+	if file == nil then
+		return nil
+	end
+
+	for line in file:lines() do
+		local _, start = line:find("executable%s*=%s*\"")
+
+		if start ~= nil then
+			file:close()
+			return line:sub(start + 1, #line - 1)
+		end
+	end
+
+	file:close()
+	return nil
+end
+
+local function setup_tasks()
+	local overseer = require("overseer")
+
+	local generic_build_tmpl =  {
+		name = "Idris2 Generic Build",
+		params = {
+			ipkg_path = { type = "string", optional = false, default = "./main.ipkg" },
+		},
+		builder = function(params)
+			return {
+				name = "Idris2: Build " .. params.ipkg_path,
+				cmd = { 'idris2', '--build', params.ipkg_path },
+				components = {
+					{ "on_exit_set_status", success_codes = { 0 } },
+				},
+			}
+		end,
+	}
+
+	overseer.register_template(generic_build_tmpl)
+
+	local generic_run_tmpl = {
+		name = "Idris2 Generic Run",
+		params = {
+			ipkg_path = { type = "string", optional = false, default = "./main.ipkg" },
+		},
+		builder = function(params)
+			local executable_name = get_ipkg_executable(params.ipkg_path)
+
+			if params.ipkg_path == nil then
+				return nil
+			end
+
+			return {
+				name = "Idris2: Run " .. params.ipkg_path,
+				cmd = { './build/exec/' .. executable_name },
+				components = {
+					{
+						"dependencies",
+						task_names = {
+							{ "Idris2 Generic Build", ipkg_path = params.ipkg_path },
+						},
+						sequential = true,
+					},
+					{ "on_exit_set_status", success_codes = { 0 } },
+				},
+			}
+		end,
+	}
+
+	overseer.register_template(generic_run_tmpl)
+
+	overseer.register_template {
+		name = "Idris2 compilation",
+		generator = function(_, cb)
+			local ipkg_paths = require('plenary.scandir').scan_dir(
+				'.', { search_pattern = '.+[.]ipkg$', }
+			)
+
+			local templates = {}
+
+			for _, ipkg_path in pairs(ipkg_paths) do
+				templates:insert(
+					overseer.wrap_template(
+						generic_build_tmpl,
+						{ name = "Build " .. ipkg_path},
+						{ ipkg_path = ipkg_path }
+					)
+				)
+
+				templates:insert(
+					overseer.wrap_template(
+						generic_run_tmpl,
+						{ name = "Run " .. ipkg_path },
+						{ ipkg_path = ipkg_path }
+					)
+				)
+			end
+
+			cb(templates)
+		end,
+	}
+end
+
+return {
+	"ShinKage/idris2-nvim",
+	requires = {
+		'neovim/nvim-lspconfig',
+		'MunifTanjim/nui.nvim',
+		'stevearc/overseer.nvim',
+		'nvim-lua/plenary.nvim',
+	},
+	ft = { 'idris2', 'ipkg' },
+	cond = function()
+		return vim.fn.executable("idris2") ~= 0
+			and vim.fn.executable("idris2-lsp") ~= 0
+	end,
+	opts = {
+		autostart_semantic = true,
+	},
+	config = function(_, opts)
+		setup_tasks()
+
+		require("idris2").setup(opts)
+	end,
+}