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local api = vim.api
local configs = require'nvim-treesitter.configs'
local state = require'nvim-treesitter.state'
local ts_utils = require'nvim-treesitter.ts_utils'
local M = {}
local NodeMovementKind = {
parent_scope = 'parent',
child_scope = 'child',
next_scope = 'next',
previous_scope = 'previous',
}
local get_node_fn = {
[NodeMovementKind.parent_scope] = function(node, curpos)
return ts_utils.parent_scope(node, curpos)
end,
[NodeMovementKind.child_scope] = function(node, curpos)
return ts_utils.nested_scope(node, curpos)
end,
[NodeMovementKind.next_scope] = function(node)
return ts_utils.next_scope(node)
end,
[NodeMovementKind.previous_scope] = function(node)
return ts_utils.previous_scope(node)
end,
}
M.do_node_movement = function(kind)
local buf = api.nvim_get_current_buf()
local buf_state = state.get_buf_state(buf)
if not buf_state then return end
local current_node = buf_state.current_node
if not current_node then return end
local destination_node = get_node_fn[kind](current_node, buf_state.cursor_pos)
if destination_node then
local row, col = destination_node:start()
vim.fn.setpos(".", { buf, row+1, col+1, 0 })
end
end
function M.parent_scope() M.do_node_movement(NodeMovementKind.parent_scope) end
function M.child_scope() M.do_node_movement(NodeMovementKind.child_scope) end
function M.next_scope() M.do_node_movement(NodeMovementKind.next_scope) end
function M.previous_scope() M.do_node_movement(NodeMovementKind.previous_scope) end
function M.attach(bufnr)
local bufnr = bufnr or api.nvim_get_current_buf()
local config = configs.get_module('node_movement')
for funcname, mapping in pairs(config.keymaps) do
local cmd = string.format(":lua require'nvim-treesitter.node_movement'.%s()<CR>", funcname)
api.nvim_buf_set_keymap(bufnr, 'n', mapping, cmd, { silent = true })
end
end
function M.detach(bufnr)
local buf = bufnr or api.nvim_get_current_buf()
local config = configs.get_module('node_movement')
for _, mapping in pairs(config.keymaps) do
api.nvim_buf_del_keymap(buf, 'n', mapping)
end
end
return M
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