Files
neogen/lua/neogen.lua
2021-08-27 12:00:07 +02:00

91 lines
3.1 KiB
Lua

local ok, ts_utils = pcall(require, "nvim-treesitter.ts_utils")
assert(ok, "neogen requires nvim-treesitter to operate :(")
neogen = {}
-- Require utilities
neogen.utilities = {}
require("neogen.utilities.extractors")
require("neogen.utilities.nodes")
-- Require defaults
require("neogen.locators.default")
require("neogen.granulators.default")
require("neogen.generators.default")
neogen.generate = function(opts)
opts = opts or {
type = "func",
}
vim.treesitter.get_parser(0):for_each_tree(function(tree, language_tree)
local language = neogen.configuration.languages[language_tree:lang()]
if language then
language.locator = language.locator or neogen.default_locator
language.granulator = language.granulator or neogen.default_granulator
language.generator = language.generator or neogen.default_generator
if not language.parent[opts.type] or not language.data[opts.type] then
return
end
-- Use the language locator to locate one of the required parent nodes above the cursor
local located_parent_node = language.locator({
root = tree:root(),
current = ts_utils.get_node_at_cursor(0),
}, language.parent[opts.type])
if not located_parent_node then
return
end
-- Use the language granulator to get the required content inside the node found with the locator
local data = language.granulator(located_parent_node, language.data[opts.type])
if data then
-- Will try to generate the documentation from a template and the data found from the granulator
local to_place, start_column, content = language.generator(
located_parent_node,
data,
language.template,
opts.type
)
if #content ~= 0 then
-- Append the annotation in required place
vim.fn.append(to_place, content)
-- Place cursor after annotations and start editing
if neogen.configuration.input_after_comment == true and #data ~= 0 then
vim.fn.cursor(to_place + 1, start_column)
vim.api.nvim_command("startinsert!")
end
end
end
end
end)
end
function neogen.generate_command()
vim.api.nvim_command('command! -range -bar Neogen lua require("neogen").generate()')
end
neogen.setup = function(opts)
neogen.configuration = vim.tbl_deep_extend("keep", opts or {}, {
input_after_comment = true,
-- DEFAULT CONFIGURATION
languages = {
lua = require("neogen.configurations.lua"),
python = require("neogen.configurations.python"),
javascript = require("neogen.configurations.javascript"),
c = require("neogen.configurations.c"),
},
})
if neogen.configuration.enabled == true then
neogen.generate_command()
end
end
return neogen