-
-
Notifications
You must be signed in to change notification settings - Fork 247
/
Copy pathinit.lua
886 lines (785 loc) · 25.2 KB
/
init.lua
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
local util = require("luasnip.util.util")
local lazy_table = require("luasnip.util.lazy_table")
local types = require("luasnip.util.types")
local node_util = require("luasnip.nodes.util")
local session = require("luasnip.session")
local snippet_collection = require("luasnip.session.snippet_collection")
local Environ = require("luasnip.util.environ")
local extend_decorator = require("luasnip.util.extend_decorator")
local loader = require("luasnip.loaders")
local next_expand = nil
local next_expand_params = nil
local ls
local luasnip_data_dir = vim.fn.stdpath("cache") .. "/luasnip"
local log = require("luasnip.util.log").new("main")
local function get_active_snip()
local node = session.current_nodes[vim.api.nvim_get_current_buf()]
if not node then
return nil
end
while node.parent do
node = node.parent
end
return node
end
-- returns matching snippet (needs to be copied before usage!) and its expand-
-- parameters(trigger and captures). params are returned here because there's
-- no need to recalculate them.
local function match_snippet(line, type)
return snippet_collection.match_snippet(
line,
util.get_snippet_filetypes(),
type
)
end
-- ft:
-- * string: interpreted as filetype, return corresponding snippets.
-- * nil: return snippets for all filetypes:
-- {
-- lua = {...},
-- cpp = {...},
-- ...
-- }
-- opts: optional args, can contain `type`, either "snippets" or "autosnippets".
--
-- return table, may be empty.
local function get_snippets(ft, opts)
opts = opts or {}
return snippet_collection.get_snippets(ft, opts.type or "snippets") or {}
end
local function default_snip_info(snip)
return {
name = snip.name,
trigger = snip.trigger,
description = snip.description,
wordTrig = snip.wordTrig and true or false,
regTrig = snip.regTrig and true or false,
}
end
local function available(snip_info)
snip_info = snip_info or default_snip_info
local fts = util.get_snippet_filetypes()
local res = {}
for _, ft in ipairs(fts) do
res[ft] = {}
for _, snip in ipairs(get_snippets(ft)) do
if not snip.invalidated then
table.insert(res[ft], snip_info(snip))
end
end
for _, snip in ipairs(get_snippets(ft, { type = "autosnippets" })) do
if not snip.invalidated then
table.insert(res[ft], snip_info(snip))
end
end
end
return res
end
local unlink_set_adjacent_as_current
local function unlink_set_adjacent_as_current_no_log(snippet)
-- prefer setting previous/outer insertNode as current node.
local next_current =
-- either pick i0 of snippet before, or i(-1) of next snippet.
snippet.prev.prev or snippet:next_node()
snippet:remove_from_jumplist()
if next_current then
-- if snippet was active before, we need to now set its parent to be no
-- longer inner_active.
if
snippet.parent_node == next_current and next_current.inner_active
then
snippet.parent_node:input_leave_children()
else
-- set no_move.
local ok, err = pcall(next_current.input_enter, next_current, true)
if not ok then
-- this won't try to set the previously broken snippet as
-- current, since that link is removed in
-- `remove_from_jumplist`.
unlink_set_adjacent_as_current(
next_current.parent.snippet,
"Error while setting adjacent snippet as current node: %s",
err
)
end
end
end
session.current_nodes[vim.api.nvim_get_current_buf()] = next_current
end
function unlink_set_adjacent_as_current(snippet, reason, ...)
log.warn("Removing snippet %s: %s", snippet.trigger, reason:format(...))
unlink_set_adjacent_as_current_no_log(snippet)
end
local function unlink_current()
local current = session.current_nodes[vim.api.nvim_get_current_buf()]
if not current then
print("No active Snippet")
return
end
unlink_set_adjacent_as_current_no_log(current.parent.snippet)
end
-- return next active node.
local function safe_jump_current(dir, no_move, dry_run)
local node = session.current_nodes[vim.api.nvim_get_current_buf()]
if not node then
return nil
end
local ok, res = pcall(node.jump_from, node, dir, no_move, dry_run)
if ok then
return res
else
local snip = node.parent.snippet
unlink_set_adjacent_as_current(
snip,
"Removing snippet `%s` due to error %s",
snip.trigger,
res
)
return session.current_nodes[vim.api.nvim_get_current_buf()]
end
end
local function jump(dir)
local current = session.current_nodes[vim.api.nvim_get_current_buf()]
if current then
session.current_nodes[vim.api.nvim_get_current_buf()] =
util.no_region_check_wrap(safe_jump_current, dir)
return true
else
return false
end
end
local function jump_destination(dir)
-- dry run of jump (+no_move ofc.), only retrieves destination-node.
return safe_jump_current(dir, true, { active = {} })
end
local function jumpable(dir)
-- node is jumpable if there is a destination.
return jump_destination(dir)
~= session.current_nodes[vim.api.nvim_get_current_buf()]
end
local function expandable()
next_expand, next_expand_params =
match_snippet(util.get_current_line_to_cursor(), "snippets")
return next_expand ~= nil
end
local function expand_or_jumpable()
return expandable() or jumpable(1)
end
local function in_snippet()
-- check if the cursor on a row inside a snippet.
local node = session.current_nodes[vim.api.nvim_get_current_buf()]
if not node then
return false
end
local snippet = node.parent.snippet
local ok, snip_begin_pos, snip_end_pos =
pcall(snippet.mark.pos_begin_end, snippet.mark)
if not ok then
-- if there was an error getting the position, the snippets text was
-- most likely removed, resulting in messed up extmarks -> error.
-- remove the snippet.
unlink_set_adjacent_as_current(
snippet,
"Error while getting extmark-position: %s",
snip_begin_pos
)
return
end
local pos = vim.api.nvim_win_get_cursor(0)
if pos[1] - 1 >= snip_begin_pos[1] and pos[1] - 1 <= snip_end_pos[1] then
return true -- cursor not on row inside snippet
end
end
local function expand_or_locally_jumpable()
return expandable() or (in_snippet() and jumpable(1))
end
local function locally_jumpable(dir)
return in_snippet() and jumpable(dir)
end
local function _jump_into_default(snippet)
return util.no_region_check_wrap(snippet.jump_into, snippet, 1)
end
-- opts.clear_region: table, keys `from` and `to`, both (0,0)-indexed.
local function snip_expand(snippet, opts)
local snip = snippet:copy()
opts = opts or {}
opts.expand_params = opts.expand_params or {}
-- override with current position if none given.
opts.pos = opts.pos or util.get_cursor_0ind()
opts.jump_into_func = opts.jump_into_func or _jump_into_default
opts.indent = vim.F.if_nil(opts.indent, true)
snip.trigger = opts.expand_params.trigger or snip.trigger
snip.captures = opts.expand_params.captures or {}
local info =
{ trigger = snip.trigger, captures = snip.captures, pos = opts.pos }
local env = Environ:new(info)
Environ:override(env, opts.expand_params.env_override or {})
local pos_id = vim.api.nvim_buf_set_extmark(
0,
session.ns_id,
opts.pos[1],
opts.pos[2],
-- track position between pos[2]-1 and pos[2].
{ right_gravity = false }
)
-- optionally clear text. Text has to be cleared befor jumping into the new
-- snippet, as the cursor-position can end up in the wrong position (to be
-- precise the text will be moved, the cursor will stay at the same
-- position, which is just as bad) if text before the cursor, on the same
-- line is cleared.
if opts.clear_region then
vim.api.nvim_buf_set_text(
0,
opts.clear_region.from[1],
opts.clear_region.from[2],
opts.clear_region.to[1],
opts.clear_region.to[2],
{ "" }
)
end
local snip_parent_node = snip:trigger_expand(
session.current_nodes[vim.api.nvim_get_current_buf()],
pos_id,
env,
opts.indent
)
-- jump_into-callback returns new active node.
session.current_nodes[vim.api.nvim_get_current_buf()] =
opts.jump_into_func(snip)
local buf_snippet_roots =
session.snippet_roots[vim.api.nvim_get_current_buf()]
if not session.config.keep_roots and #buf_snippet_roots > 1 then
-- if history is not set, and there is more than one snippet-root,
-- remove the other one.
-- The nice thing is: since we maintain that #buf_snippet_roots == 1
-- whenever outside of this function, we know that if we're here, it's
-- because this snippet was just inserted into buf_snippet_roots.
-- Armed with this knowledge, we can just check which of the roots is
-- this snippet, and remove the other one.
buf_snippet_roots[buf_snippet_roots[1] == snip and 2 or 1]:remove_from_jumplist()
end
-- stores original snippet, it doesn't contain any data from expansion.
session.last_expand_snip = snippet
session.last_expand_opts = opts
-- set last action for vim-repeat.
-- will silently fail if vim-repeat isn't available.
-- -1 to disable count.
vim.cmd([[silent! call repeat#set("\<Plug>luasnip-expand-repeat", -1)]])
return snip
end
---Find a snippet matching the current cursor-position.
---@param opts table: may contain:
--- - `jump_into_func`: passed through to `snip_expand`.
---@return boolean: whether a snippet was expanded.
local function expand(opts)
local expand_params
local snip
-- find snip via next_expand (set from previous expandable()) or manual matching.
if next_expand ~= nil then
snip = next_expand
expand_params = next_expand_params
next_expand = nil
next_expand_params = nil
else
snip, expand_params =
match_snippet(util.get_current_line_to_cursor(), "snippets")
end
if snip then
local jump_into_func = opts and opts.jump_into_func
local cursor = util.get_cursor_0ind()
local clear_region = expand_params.clear_region
or {
from = {
cursor[1],
cursor[2] - #expand_params.trigger,
},
to = cursor,
}
-- override snip with expanded copy.
snip = snip_expand(snip, {
expand_params = expand_params,
-- clear trigger-text.
clear_region = clear_region,
jump_into_func = jump_into_func,
})
return true
end
return false
end
local function expand_auto()
local snip, expand_params =
match_snippet(util.get_current_line_to_cursor(), "autosnippets")
if snip then
local cursor = util.get_cursor_0ind()
local clear_region = expand_params.clear_region
or {
from = {
cursor[1],
cursor[2] - #expand_params.trigger,
},
to = cursor,
}
snip = snip_expand(snip, {
expand_params = expand_params,
-- clear trigger-text.
clear_region = clear_region,
})
end
end
local function expand_repeat()
-- prevent clearing text with repeated expand.
session.last_expand_opts.clear_region = nil
session.last_expand_opts.pos = nil
snip_expand(session.last_expand_snip, session.last_expand_opts)
end
-- return true and expand snippet if expandable, return false if not.
local function expand_or_jump()
if expand() then
return true
end
if jump(1) then
return true
end
return false
end
local function lsp_expand(body, opts)
-- expand snippet as-is.
snip_expand(
ls.parser.parse_snippet(
"",
body,
{ trim_empty = false, dedent = false }
),
opts
)
end
local function choice_active()
return session.active_choice_nodes[vim.api.nvim_get_current_buf()] ~= nil
end
-- attempts to do some action on the snippet (like change_choice, set_choice),
-- if it fails the snippet is removed and the next snippet becomes the current node.
-- ... is passed to pcall as-is.
local function safe_choice_action(snip, ...)
local ok, res = pcall(...)
if ok then
return res
else
-- not very elegant, but this way we don't have a near
-- re-implementation of unlink_current.
unlink_set_adjacent_as_current(
snip,
"Removing snippet `%s` due to error %s",
snip.trigger,
res
)
return session.current_nodes[vim.api.nvim_get_current_buf()]
end
end
local function change_choice(val)
local active_choice =
session.active_choice_nodes[vim.api.nvim_get_current_buf()]
assert(active_choice, "No active choiceNode")
local new_active = util.no_region_check_wrap(
safe_choice_action,
active_choice.parent.snippet,
active_choice.change_choice,
active_choice,
val,
session.current_nodes[vim.api.nvim_get_current_buf()]
)
session.current_nodes[vim.api.nvim_get_current_buf()] = new_active
end
local function set_choice(choice_indx)
local active_choice =
session.active_choice_nodes[vim.api.nvim_get_current_buf()]
assert(active_choice, "No active choiceNode")
local choice = active_choice.choices[choice_indx]
assert(choice, "Invalid Choice")
local new_active = util.no_region_check_wrap(
safe_choice_action,
active_choice.parent.snippet,
active_choice.set_choice,
active_choice,
choice,
session.current_nodes[vim.api.nvim_get_current_buf()]
)
session.current_nodes[vim.api.nvim_get_current_buf()] = new_active
end
local function get_current_choices()
local active_choice =
session.active_choice_nodes[vim.api.nvim_get_current_buf()]
assert(active_choice, "No active choiceNode")
local choice_lines = {}
active_choice:update_static_all()
for i, choice in ipairs(active_choice.choices) do
choice_lines[i] = table.concat(choice:get_docstring(), "\n")
end
return choice_lines
end
local function active_update_dependents()
local active = session.current_nodes[vim.api.nvim_get_current_buf()]
-- special case for startNode, cannot focus on those (and they can't
-- have dependents)
-- don't update if a jump/change_choice is in progress.
if not session.jump_active and active and active.pos > 0 then
-- Save cursor-pos to restore later.
local cur = util.get_cursor_0ind()
local cur_mark = vim.api.nvim_buf_set_extmark(
0,
session.ns_id,
cur[1],
cur[2],
{ right_gravity = false }
)
local ok, err = pcall(active.update_dependents, active)
if not ok then
unlink_set_adjacent_as_current(
active.parent.snippet,
"Error while updating dependents for snippet %s due to error %s",
active.parent.snippet.trigger,
err
)
return
end
-- 'restore' orientation of extmarks, may have been changed by some set_text or similar.
ok, err = pcall(active.focus, active)
if not ok then
unlink_set_adjacent_as_current(
active.parent.snippet,
"Error while entering node in snippet %s: %s",
active.parent.snippet.trigger,
err
)
return
end
-- Don't account for utf, nvim_win_set_cursor doesn't either.
cur = vim.api.nvim_buf_get_extmark_by_id(
0,
session.ns_id,
cur_mark,
{ details = false }
)
util.set_cursor_0ind(cur)
end
end
local function store_snippet_docstrings(snippet_table)
-- ensure the directory exists.
-- 493 = 0755
vim.loop.fs_mkdir(luasnip_data_dir, 493)
-- fs_open() with w+ creates the file if nonexistent.
local docstring_cache_fd = vim.loop.fs_open(
luasnip_data_dir .. "/docstrings.json",
"w+",
-- 420 = 0644
420
)
-- get size for fs_read()
local cache_size = vim.loop.fs_fstat(docstring_cache_fd).size
local file_could_be_read, docstrings = pcall(
util.json_decode,
-- offset 0.
vim.loop.fs_read(docstring_cache_fd, cache_size, 0)
)
docstrings = file_could_be_read and docstrings or {}
for ft, snippets in pairs(snippet_table) do
if not docstrings[ft] then
docstrings[ft] = {}
end
for _, snippet in ipairs(snippets) do
docstrings[ft][snippet.trigger] = snippet:get_docstring()
end
end
vim.loop.fs_write(docstring_cache_fd, util.json_encode(docstrings))
end
local function load_snippet_docstrings(snippet_table)
-- ensure the directory exists.
-- 493 = 0755
vim.loop.fs_mkdir(luasnip_data_dir, 493)
-- fs_open() with "r" returns nil if the file doesn't exist.
local docstring_cache_fd = vim.loop.fs_open(
luasnip_data_dir .. "/docstrings.json",
"r",
-- 420 = 0644
420
)
if not docstring_cache_fd then
error("Cached docstrings could not be read!")
return
end
-- get size for fs_read()
local cache_size = vim.loop.fs_fstat(docstring_cache_fd).size
local docstrings = util.json_decode(
-- offset 0.
vim.loop.fs_read(docstring_cache_fd, cache_size, 0)
)
for ft, snippets in pairs(snippet_table) do
-- skip if fieltype not in cache.
if docstrings[ft] then
for _, snippet in ipairs(snippets) do
-- only set if it hasn't been set already.
if not snippet.docstring then
snippet.docstring = docstrings[ft][snippet.trigger]
end
end
end
end
end
local function unlink_current_if_deleted()
local node = session.current_nodes[vim.api.nvim_get_current_buf()]
if not node then
return
end
local snippet = node.parent.snippet
-- extmarks_valid checks that
-- * textnodes that should contain text still do so, and
-- * that extmarks still fulfill all expectations (should be successive, no gaps, etc.)
if not snippet:extmarks_valid() then
unlink_set_adjacent_as_current(
snippet,
"Detected deletion of snippet `%s`, removing it",
snippet.trigger
)
end
end
local function exit_out_of_region(node)
-- if currently jumping via luasnip or no active node:
if session.jump_active or not node then
return
end
local pos = util.get_cursor_0ind()
local snippet
if node.type == types.snippet then
snippet = node
else
snippet = node.parent.snippet
end
-- find root-snippet.
while snippet.parent_node do
snippet = snippet.parent_node.parent.snippet
end
local ok, snip_begin_pos, snip_end_pos =
pcall(snippet.mark.pos_begin_end, snippet.mark)
if not ok then
unlink_set_adjacent_as_current(
snippet,
"Error while getting extmark-position: %s",
snip_begin_pos
)
return
end
-- stylua: ignore
-- leave if curser before or behind snippet
if pos[1] < snip_begin_pos[1] or
pos[1] > snip_end_pos[1] then
-- make sure the snippet can safely be entered, since it may have to
-- be, in `refocus`.
if not snippet:extmarks_valid() then
unlink_set_adjacent_as_current(snippet, "Leaving snippet-root due to invalid extmarks.")
return
end
local next_active = snippet.insert_nodes[0]
-- if there is a snippet nested into the $0, enter its $0 instead,
-- recursively.
-- This is to ensure that a jump forward after leaving the region of a
-- root will jump to the next root, or not result in a jump at all.
while next_active.inner_first do
-- make sure next_active is nested into completely intact
-- snippets, since that is a precondition on the to-node of
if not next_active.inner_first:extmarks_valid() then
next_active.inner_first:remove_from_jumplist()
else
-- inner_first is always the snippet, not the -1-node.
next_active = next_active.inner_first.insert_nodes[0]
end
end
node_util.refocus(node, next_active)
session.current_nodes[vim.api.nvim_get_current_buf()] = next_active
end
end
-- ft string, extend_ft table of strings.
local function filetype_extend(ft, extend_ft)
vim.list_extend(session.ft_redirect[ft], extend_ft)
session.ft_redirect[ft] = util.deduplicate(session.ft_redirect[ft])
end
-- ft string, fts table of strings.
local function filetype_set(ft, fts)
session.ft_redirect[ft] = util.deduplicate(fts)
end
local function cleanup()
-- Use this to reload luasnip
vim.api.nvim_exec_autocmds(
"User",
{ pattern = "LuasnipCleanup", modeline = false }
)
-- clear all snippets.
snippet_collection.clear_snippets()
loader.cleanup()
end
local function refresh_notify(ft)
snippet_collection.refresh_notify(ft)
end
local function setup_snip_env()
local combined_table = vim.tbl_extend("force", _G, session.config.snip_env)
-- TODO: if desired, take into account _G's __index before looking into
-- snip_env's __index.
setmetatable(combined_table, getmetatable(session.config.snip_env))
setfenv(2, combined_table)
end
local function get_snip_env()
return session.get_snip_env()
end
local function get_id_snippet(id)
return snippet_collection.get_id_snippet(id)
end
local function add_snippets(ft, snippets, opts)
-- don't use yet, not available in some neovim-versions.
--
-- vim.validate({
-- filetype = { ft, { "string", "nil" } },
-- snippets = { snippets, "table" },
-- opts = { opts, { "table", "nil" } },
-- })
opts = opts or {}
opts.refresh_notify = opts.refresh_notify or true
-- alternatively, "autosnippets"
opts.type = opts.type or "snippets"
-- if ft is nil, snippets already has this format.
if ft then
snippets = {
[ft] = snippets,
}
end
snippet_collection.add_snippets(snippets, opts)
if opts.refresh_notify then
for ft_, _ in pairs(snippets) do
refresh_notify(ft_)
end
end
end
local function clean_invalidated(opts)
opts = opts or {}
snippet_collection.clean_invalidated(opts)
end
local function activate_node(opts)
opts = opts or {}
local pos = opts.pos or util.get_cursor_0ind()
local strict = vim.F.if_nil(opts.strict, false)
local select = vim.F.if_nil(opts.select, true)
-- find tree-node the snippet should be inserted at (could be before another node).
local _, _, _, node = node_util.snippettree_find_undamaged_node(pos, {
tree_respect_rgravs = false,
tree_preference = node_util.binarysearch_preference.inside,
snippet_mode = "interactive",
})
if not node then
error("No Snippet at that position")
return
end
-- only activate interactive nodes, or nodes that are immediately nested
-- inside a choiceNode.
if not node:interactive() then
if strict then
error("Refusing to activate a non-interactive node.")
return
else
-- fall back to known insertNode.
-- snippet.insert_nodes[1] may be preferable, but that is not
-- certainly an insertNode (and does not even certainly contain an
-- insertNode, think snippetNode with only textNode).
-- We could *almost* find the first activateable node by
-- dry_run-jumping into the snippet, but then we'd also need some
-- mechanism for setting the active-state of all nodes to false,
-- which we don't yet have.
--
-- Instead, just choose -1-node, and allow jumps from there, which
-- is much simpler.
node = node.parent.snippet.prev
end
end
node_util.refocus(
session.current_nodes[vim.api.nvim_get_current_buf()],
node
)
if select then
-- input_enter node again, to get highlight and the like.
-- One side-effect of this is that an event will be execute twice, but I
-- feel like that is a trade-off worth doing, since it otherwise refocus
-- would have to be more complicated (or at least, restructured).
node:input_enter()
end
session.current_nodes[vim.api.nvim_get_current_buf()] = node
end
-- make these lazy, such that we don't have to load them before it's really
-- necessary (drives up cost of initial load, otherwise).
-- stylua: ignore
local ls_lazy = {
s = function() return require("luasnip.nodes.snippet").S end,
sn = function() return require("luasnip.nodes.snippet").SN end,
t = function() return require("luasnip.nodes.textNode").T end,
f = function() return require("luasnip.nodes.functionNode").F end,
i = function() return require("luasnip.nodes.insertNode").I end,
c = function() return require("luasnip.nodes.choiceNode").C end,
d = function() return require("luasnip.nodes.dynamicNode").D end,
r = function() return require("luasnip.nodes.restoreNode").R end,
snippet = function() return require("luasnip.nodes.snippet").S end,
snippet_node = function() return require("luasnip.nodes.snippet").SN end,
parent_indexer = function() return require("luasnip.nodes.snippet").P end,
indent_snippet_node = function() return require("luasnip.nodes.snippet").ISN end,
text_node = function() return require("luasnip.nodes.textNode").T end,
function_node = function() return require("luasnip.nodes.functionNode").F end,
insert_node = function() return require("luasnip.nodes.insertNode").I end,
choice_node = function() return require("luasnip.nodes.choiceNode").C end,
dynamic_node = function() return require("luasnip.nodes.dynamicNode").D end,
restore_node = function() return require("luasnip.nodes.restoreNode").R end,
parser = function() return require("luasnip.util.parser") end,
config = function() return require("luasnip.config") end,
multi_snippet = function() return require("luasnip.nodes.multiSnippet").new_multisnippet end,
snippet_source = function() return require("luasnip.session.snippet_collection.source") end,
select_keys = function() return require("luasnip.util.select").select_keys end
}
ls = lazy_table({
expand_or_jumpable = expand_or_jumpable,
expand_or_locally_jumpable = expand_or_locally_jumpable,
locally_jumpable = locally_jumpable,
jumpable = jumpable,
expandable = expandable,
in_snippet = in_snippet,
expand = expand,
snip_expand = snip_expand,
expand_repeat = expand_repeat,
expand_auto = expand_auto,
expand_or_jump = expand_or_jump,
jump = jump,
get_active_snip = get_active_snip,
choice_active = choice_active,
change_choice = change_choice,
set_choice = set_choice,
get_current_choices = get_current_choices,
unlink_current = unlink_current,
lsp_expand = lsp_expand,
active_update_dependents = active_update_dependents,
available = available,
exit_out_of_region = exit_out_of_region,
load_snippet_docstrings = load_snippet_docstrings,
store_snippet_docstrings = store_snippet_docstrings,
unlink_current_if_deleted = unlink_current_if_deleted,
filetype_extend = filetype_extend,
filetype_set = filetype_set,
add_snippets = add_snippets,
get_snippets = get_snippets,
get_id_snippet = get_id_snippet,
setup_snip_env = setup_snip_env,
get_snip_env = get_snip_env,
clean_invalidated = clean_invalidated,
get_snippet_filetypes = util.get_snippet_filetypes,
jump_destination = jump_destination,
session = session,
cleanup = cleanup,
refresh_notify = refresh_notify,
env_namespace = Environ.env_namespace,
setup = require("luasnip.config").setup,
extend_decorator = extend_decorator,
log = require("luasnip.util.log"),
activate_node = activate_node,
}, ls_lazy)
return ls