mirror of
https://github.com/nvim-treesitter/nvim-treesitter.git
synced 2026-07-01 19:17:02 -04:00
78 lines
2.3 KiB
Lua
78 lines
2.3 KiB
Lua
local api = vim.api
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local utils = require'nvim-treesitter.utils'
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local parsers = require'nvim-treesitter.parsers'
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local M = {}
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local function node_range_to_vim(node)
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if not node then return end
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local start_row, start_col, end_row, end_col = node:range()
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local select_range = [[
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call cursor(%d, %d)
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normal v
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call cursor(%d, %d)
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]]
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local exec_command = string.format(select_range,
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start_row+1, start_col+1,
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end_row+1, end_col+1)
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api.nvim_exec(exec_command, false)
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end
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local function select_incremental(increment_func)
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return function()
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local buf, sel_start_line, sel_start_col, _ = unpack(vim.fn.getpos("'<"))
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local buf, sel_end_line, sel_end_col, _ = unpack(vim.fn.getpos("'>"))
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local node = nil
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if parsers.has_parser() then
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local root = parsers.get_parser():parse():root()
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node = root:named_descendant_for_range(sel_start_line-1, sel_start_col-1, sel_end_line-1, sel_end_col)
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local node_start_row, node_start_col, node_end_row, node_end_col = node:range()
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if (sel_start_line-1) == node_start_row and (sel_start_col-1) == node_start_col
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and (sel_end_line-1) == node_end_row and sel_end_col == node_end_col then
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node = increment_func(node)
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end
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end
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return node_range_to_vim(node)
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end
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end
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M.node_incremental = select_incremental(function(node)
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if node then
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return node:parent() or node
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end
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end)
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M.scope_incremental = select_incremental(function(node)
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if node then
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return utils.smallest_containing_scope(node:parent() or node)
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end
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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_config().textobj
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for funcname, mapping in pairs(config.keymaps) do
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api.nvim_buf_set_keymap(buf, 'v', mapping,
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string.format(":lua require'nvim-treesitter.textobj'.%s()<CR>", funcname), { silent = true })
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api.nvim_buf_set_keymap(buf, 'o', mapping,
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string.format(":normal v%s<CR>", mapping), { 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_config().textobj
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for _, mapping in pairs(config.keymaps) do
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api.nvim_buf_del_keymap(buf, 'v', mapping)
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api.nvim_buf_del_keymap(buf, 'o', mapping)
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end
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end
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return M
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