mirror of
https://github.com/nvim-treesitter/nvim-treesitter.git
synced 2026-07-02 19:46:58 -04:00
112 lines
3.5 KiB
Lua
112 lines
3.5 KiB
Lua
local api = vim.api
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local parsers = require'nvim-treesitter.parsers'
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local utils = require'nvim-treesitter.utils'
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local M = {}
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M.NodeMovementKind = {
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up = 'up',
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down = 'down',
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left = 'left',
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right = 'right',
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}
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M.current_node = {}
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local function node_start_to_vim(node)
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if not node then return end
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local row, col = node:start()
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local exec_command = string.format('call cursor(%d, %d)', row+1, col+1)
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api.nvim_exec(exec_command, false)
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end
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M.do_node_movement = function(kind, move_node)
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local _, line, col = unpack(vim.fn.getpos("."))
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local buf = api.nvim_get_current_buf()
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local current_node = M.current_node[buf]
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if current_node then
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local node_line, node_col = current_node:start()
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if line-1 ~= node_line or col-1 ~= node_col then
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current_node = nil
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end
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end
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local destination_node
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if parsers.has_parser() then
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local root = parsers.get_parser():parse():root()
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if not current_node then
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current_node = root:named_descendant_for_range(line-1, col-1, line-1, col)
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end
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--UP
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if kind == M.NodeMovementKind.up then
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destination_node = current_node:parent()
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-- DOWN
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elseif kind == M.NodeMovementKind.down then
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if current_node:named_child_count() > 0 then
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destination_node = current_node:named_child(0)
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else
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local next_node = utils.get_next_node(current_node)
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if next_node and next_node:named_child_count() > 0 then
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destination_node = next_node:named_child(0)
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end
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end
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-- LEFT
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elseif kind == M.NodeMovementKind.left then
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destination_node = utils.get_previous_node(current_node, true, true)
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-- RIGHT
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elseif kind == M.NodeMovementKind.right then
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destination_node = utils.get_next_node(current_node, true, true)
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end
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M.current_node[buf] = destination_node or current_node
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end
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if destination_node then
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node_start_to_vim(destination_node)
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if move_node then
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if kind ~= M.NodeMovementKind.down then
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local _, dst_range = utils.swap_nodes(buf, current_node, destination_node)
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local root = parsers.get_parser():parse():root()
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if dst_range then
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local new_destination_node = utils.node_from_lsp_range(root, dst_range)
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M.current_node[buf] = new_destination_node or current_node
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end
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end
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end
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end
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end
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M.move_up = function() M.do_node_movement(M.NodeMovementKind.up) end
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M.move_down = function() M.do_node_movement(M.NodeMovementKind.down) end
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M.move_left = function() M.do_node_movement(M.NodeMovementKind.left) end
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M.move_right = function() M.do_node_movement(M.NodeMovementKind.right) end
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M.node_move_up = function() M.do_node_movement(M.NodeMovementKind.up, true) end
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M.node_move_down = function() M.do_node_movement(M.NodeMovementKind.down, true) end
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M.node_move_left = function() M.do_node_movement(M.NodeMovementKind.left, true) end
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M.node_move_right = function() M.do_node_movement(M.NodeMovementKind.right, true) end
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function M.attach(bufnr)
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local buf = bufnr or api.nvim_get_current_buf()
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local config = require'nvim-treesitter.configs'.get_module('node_movement')
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for funcname, mapping in pairs(config.keymaps) do
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api.nvim_buf_set_keymap(buf, 'n', mapping,
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string.format(":lua require'nvim-treesitter.node_movement'.%s()<CR>", funcname), { silent = true })
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end
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end
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function M.detach(bufnr)
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local buf = bufnr or api.nvim_get_current_buf()
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local config = require'nvim-treesitter.configs'.get_module('node_movement')
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for _, mapping in pairs(config.keymaps) do
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api.nvim_buf_del_keymap(buf, 'n', mapping)
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end
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end
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return M
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