mirror of
https://github.com/neovim/neovim.git
synced 2025-02-25 18:55:25 -06:00
refactor(treesitter): move inspect_tree impl
This commit is contained in:
Lewis Russell
parent
81f2bce775
commit
b1de4820b7
@ -502,209 +502,8 @@ end
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--- function, it accepts the buffer number of the source buffer as its only
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--- argument and should return a string.
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function M.inspect_tree(opts)
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vim.validate({
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opts = { opts, 't', true },
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})
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opts = opts or {}
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local Playground = require('vim.treesitter.playground')
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local buf = a.nvim_get_current_buf()
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local win = a.nvim_get_current_win()
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local pg = assert(Playground:new(buf, opts.lang))
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-- Close any existing playground window
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if vim.b[buf].playground then
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local w = vim.b[buf].playground
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if a.nvim_win_is_valid(w) then
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a.nvim_win_close(w, true)
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end
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end
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local w = opts.winid
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if not w then
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vim.cmd(opts.command or '60vnew')
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w = a.nvim_get_current_win()
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end
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local b = opts.bufnr
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if b then
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a.nvim_win_set_buf(w, b)
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else
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b = a.nvim_win_get_buf(w)
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end
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vim.b[buf].playground = w
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vim.wo[w].scrolloff = 5
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vim.wo[w].wrap = false
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vim.wo[w].foldmethod = 'manual' -- disable folding
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vim.bo[b].buflisted = false
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vim.bo[b].buftype = 'nofile'
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vim.bo[b].bufhidden = 'wipe'
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vim.bo[b].filetype = 'query'
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local title = opts.title
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if not title then
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local bufname = a.nvim_buf_get_name(buf)
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title = string.format('Syntax tree for %s', vim.fn.fnamemodify(bufname, ':.'))
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elseif type(title) == 'function' then
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title = title(buf)
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end
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assert(type(title) == 'string', 'Window title must be a string')
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a.nvim_buf_set_name(b, title)
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pg:draw(b)
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a.nvim_buf_clear_namespace(buf, pg.ns, 0, -1)
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a.nvim_buf_set_keymap(b, 'n', '<CR>', '', {
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desc = 'Jump to the node under the cursor in the source buffer',
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callback = function()
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local row = a.nvim_win_get_cursor(w)[1]
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local pos = pg:get(row)
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a.nvim_set_current_win(win)
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a.nvim_win_set_cursor(win, { pos.lnum + 1, pos.col })
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end,
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})
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a.nvim_buf_set_keymap(b, 'n', 'a', '', {
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desc = 'Toggle anonymous nodes',
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callback = function()
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local row, col = unpack(a.nvim_win_get_cursor(w))
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local curnode = pg:get(row)
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while curnode and not curnode.named do
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row = row - 1
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curnode = pg:get(row)
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end
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pg.opts.anon = not pg.opts.anon
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pg:draw(b)
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if not curnode then
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return
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end
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local id = curnode.id
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for i, node in pg:iter() do
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if node.id == id then
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a.nvim_win_set_cursor(w, { i, col })
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break
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end
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end
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end,
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})
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a.nvim_buf_set_keymap(b, 'n', 'I', '', {
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desc = 'Toggle language display',
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callback = function()
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pg.opts.lang = not pg.opts.lang
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pg:draw(b)
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end,
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})
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local group = a.nvim_create_augroup('treesitter/playground', {})
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a.nvim_create_autocmd('CursorMoved', {
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group = group,
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buffer = b,
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callback = function()
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a.nvim_buf_clear_namespace(buf, pg.ns, 0, -1)
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local row = a.nvim_win_get_cursor(w)[1]
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local pos = pg:get(row)
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a.nvim_buf_set_extmark(buf, pg.ns, pos.lnum, pos.col, {
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end_row = pos.end_lnum,
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end_col = math.max(0, pos.end_col),
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hl_group = 'Visual',
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})
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local topline, botline = vim.fn.line('w0', win), vim.fn.line('w$', win)
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-- Move the cursor if highlighted range is completely out of view
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if pos.lnum < topline and pos.end_lnum < topline then
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a.nvim_win_set_cursor(win, { pos.end_lnum + 1, 0 })
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elseif pos.lnum > botline and pos.end_lnum > botline then
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a.nvim_win_set_cursor(win, { pos.lnum + 1, 0 })
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end
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end,
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})
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a.nvim_create_autocmd('CursorMoved', {
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group = group,
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buffer = buf,
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callback = function()
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if not a.nvim_buf_is_loaded(b) then
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return true
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end
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a.nvim_buf_clear_namespace(b, pg.ns, 0, -1)
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local cursor_node = M.get_node({
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bufnr = buf,
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lang = opts.lang,
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ignore_injections = false,
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})
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if not cursor_node then
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return
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end
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local cursor_node_id = cursor_node:id()
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for i, v in pg:iter() do
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if v.id == cursor_node_id then
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local start = v.depth
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local end_col = start + #v.text
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a.nvim_buf_set_extmark(b, pg.ns, i - 1, start, {
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end_col = end_col,
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hl_group = 'Visual',
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})
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a.nvim_win_set_cursor(w, { i, 0 })
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break
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end
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end
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end,
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})
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a.nvim_create_autocmd({ 'TextChanged', 'InsertLeave' }, {
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group = group,
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buffer = buf,
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callback = function()
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if not a.nvim_buf_is_loaded(b) then
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return true
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end
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pg = assert(Playground:new(buf, opts.lang))
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pg:draw(b)
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end,
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})
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a.nvim_create_autocmd('BufLeave', {
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group = group,
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buffer = b,
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callback = function()
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a.nvim_buf_clear_namespace(buf, pg.ns, 0, -1)
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end,
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})
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a.nvim_create_autocmd('BufLeave', {
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group = group,
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buffer = buf,
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callback = function()
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if not a.nvim_buf_is_loaded(b) then
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return true
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end
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a.nvim_buf_clear_namespace(b, pg.ns, 0, -1)
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end,
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})
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a.nvim_create_autocmd('BufHidden', {
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group = group,
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buffer = buf,
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once = true,
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callback = function()
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if a.nvim_win_is_valid(w) then
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a.nvim_win_close(w, true)
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end
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end,
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})
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---@cast opts InspectTreeOpts
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require('vim.treesitter.playground').inspect_tree(opts)
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end
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--- Returns the fold level for {lnum} in the current buffer. Can be set directly to 'foldexpr':
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@ -1,5 +1,8 @@
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local api = vim.api
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---@class TSPlaygroundModule
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local M = {}
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---@class TSPlayground
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---@field ns integer API namespace
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---@field opts table Options table with the following keys:
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@ -212,4 +215,224 @@ function TSPlayground:iter()
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return ipairs(self.opts.anon and self.nodes or self.named)
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end
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return TSPlayground
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--- @class InspectTreeOpts
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--- @field lang string? The language of the source buffer. If omitted, the
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--- filetype of the source buffer is used.
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--- @field bufnr integer? Buffer to draw the tree into. If omitted, a new
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--- buffer is created.
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--- @field winid integer? Window id to display the tree buffer in. If omitted,
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--- a new window is created with {command}.
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--- @field command string? Vimscript command to create the window. Default
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--- value is "60vnew". Only used when {winid} is nil.
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--- @field title (string|fun(bufnr:integer):string|nil) Title of the window. If a
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--- function, it accepts the buffer number of the source
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--- buffer as its only argument and should return a string.
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--- @param opts InspectTreeOpts
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function M.inspect_tree(opts)
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vim.validate({
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opts = { opts, 't', true },
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})
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opts = opts or {}
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local buf = api.nvim_get_current_buf()
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local win = api.nvim_get_current_win()
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local pg = assert(TSPlayground:new(buf, opts.lang))
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-- Close any existing playground window
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if vim.b[buf].playground then
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local w = vim.b[buf].playground
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if api.nvim_win_is_valid(w) then
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api.nvim_win_close(w, true)
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end
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end
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local w = opts.winid
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if not w then
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vim.cmd(opts.command or '60vnew')
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w = api.nvim_get_current_win()
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end
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local b = opts.bufnr
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if b then
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api.nvim_win_set_buf(w, b)
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else
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b = api.nvim_win_get_buf(w)
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end
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vim.b[buf].playground = w
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vim.wo[w].scrolloff = 5
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vim.wo[w].wrap = false
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vim.wo[w].foldmethod = 'manual' -- disable folding
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vim.bo[b].buflisted = false
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vim.bo[b].buftype = 'nofile'
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vim.bo[b].bufhidden = 'wipe'
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vim.bo[b].filetype = 'query'
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local title --- @type string?
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local opts_title = opts.title
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if not opts_title then
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local bufname = api.nvim_buf_get_name(buf)
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title = string.format('Syntax tree for %s', vim.fn.fnamemodify(bufname, ':.'))
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elseif type(opts_title) == 'function' then
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title = opts_title(buf)
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end
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assert(type(title) == 'string', 'Window title must be a string')
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api.nvim_buf_set_name(b, title)
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pg:draw(b)
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api.nvim_buf_clear_namespace(buf, pg.ns, 0, -1)
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api.nvim_buf_set_keymap(b, 'n', '<CR>', '', {
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desc = 'Jump to the node under the cursor in the source buffer',
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callback = function()
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local row = api.nvim_win_get_cursor(w)[1]
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local pos = pg:get(row)
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api.nvim_set_current_win(win)
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api.nvim_win_set_cursor(win, { pos.lnum + 1, pos.col })
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end,
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})
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api.nvim_buf_set_keymap(b, 'n', 'a', '', {
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desc = 'Toggle anonymous nodes',
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callback = function()
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local row, col = unpack(api.nvim_win_get_cursor(w))
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local curnode = pg:get(row)
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while curnode and not curnode.named do
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row = row - 1
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curnode = pg:get(row)
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end
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pg.opts.anon = not pg.opts.anon
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pg:draw(b)
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if not curnode then
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return
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end
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local id = curnode.id
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for i, node in pg:iter() do
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if node.id == id then
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api.nvim_win_set_cursor(w, { i, col })
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break
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end
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end
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end,
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})
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api.nvim_buf_set_keymap(b, 'n', 'I', '', {
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desc = 'Toggle language display',
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callback = function()
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pg.opts.lang = not pg.opts.lang
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pg:draw(b)
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end,
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})
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local group = api.nvim_create_augroup('treesitter/playground', {})
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api.nvim_create_autocmd('CursorMoved', {
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group = group,
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buffer = b,
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callback = function()
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api.nvim_buf_clear_namespace(buf, pg.ns, 0, -1)
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local row = api.nvim_win_get_cursor(w)[1]
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local pos = pg:get(row)
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api.nvim_buf_set_extmark(buf, pg.ns, pos.lnum, pos.col, {
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end_row = pos.end_lnum,
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end_col = math.max(0, pos.end_col),
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hl_group = 'Visual',
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})
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local topline, botline = vim.fn.line('w0', win), vim.fn.line('w$', win)
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-- Move the cursor if highlighted range is completely out of view
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if pos.lnum < topline and pos.end_lnum < topline then
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api.nvim_win_set_cursor(win, { pos.end_lnum + 1, 0 })
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elseif pos.lnum > botline and pos.end_lnum > botline then
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api.nvim_win_set_cursor(win, { pos.lnum + 1, 0 })
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end
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end,
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})
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api.nvim_create_autocmd('CursorMoved', {
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group = group,
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buffer = buf,
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callback = function()
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if not api.nvim_buf_is_loaded(b) then
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return true
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end
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api.nvim_buf_clear_namespace(b, pg.ns, 0, -1)
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local cursor_node = vim.treesitter.get_node({
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bufnr = buf,
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lang = opts.lang,
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ignore_injections = false,
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})
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if not cursor_node then
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return
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end
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local cursor_node_id = cursor_node:id()
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for i, v in pg:iter() do
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if v.id == cursor_node_id then
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local start = v.depth
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local end_col = start + #v.text
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api.nvim_buf_set_extmark(b, pg.ns, i - 1, start, {
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end_col = end_col,
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hl_group = 'Visual',
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})
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api.nvim_win_set_cursor(w, { i, 0 })
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break
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end
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end
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end,
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})
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api.nvim_create_autocmd({ 'TextChanged', 'InsertLeave' }, {
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group = group,
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buffer = buf,
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callback = function()
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if not api.nvim_buf_is_loaded(b) then
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return true
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end
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pg = assert(TSPlayground:new(buf, opts.lang))
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pg:draw(b)
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end,
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})
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api.nvim_create_autocmd('BufLeave', {
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group = group,
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buffer = b,
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callback = function()
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api.nvim_buf_clear_namespace(buf, pg.ns, 0, -1)
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end,
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})
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api.nvim_create_autocmd('BufLeave', {
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group = group,
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buffer = buf,
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callback = function()
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if not api.nvim_buf_is_loaded(b) then
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return true
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end
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api.nvim_buf_clear_namespace(b, pg.ns, 0, -1)
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end,
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})
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api.nvim_create_autocmd('BufHidden', {
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group = group,
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buffer = buf,
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once = true,
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callback = function()
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if api.nvim_win_is_valid(w) then
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api.nvim_win_close(w, true)
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end
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end,
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})
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end
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return M
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