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
|
local query = require "vim.treesitter.query"
local html_script_type_languages = {
["importmap"] = "json",
["module"] = "javascript",
["application/ecmascript"] = "javascript",
["text/ecmascript"] = "javascript",
}
local non_filetype_match_injection_language_aliases = {
ex = "elixir",
pl = "perl",
sh = "bash",
uxn = "uxntal",
ts = "typescript",
}
-- compatibility shim for breaking change on nightly/0.11
local opts = vim.fn.has "nvim-0.10" == 1 and { force = true, all = false } or true
local function get_parser_from_markdown_info_string(injection_alias)
local match = vim.filetype.match { filename = "a." .. injection_alias }
return match or non_filetype_match_injection_language_aliases[injection_alias] or injection_alias
end
local function error(str)
vim.api.nvim_err_writeln(str)
end
local function valid_args(name, pred, count, strict_count)
local arg_count = #pred - 1
if strict_count then
if arg_count ~= count then
error(string.format("%s must have exactly %d arguments", name, count))
return false
end
elseif arg_count < count then
error(string.format("%s must have at least %d arguments", name, count))
return false
end
return true
end
---@param match (TSNode|nil)[]
---@param _pattern string
---@param _bufnr integer
---@param pred string[]
---@return boolean|nil
query.add_predicate("nth?", function(match, _pattern, _bufnr, pred)
if not valid_args("nth?", pred, 2, true) then
return
end
local node = match[pred[2]] ---@type TSNode
local n = tonumber(pred[3])
if node and node:parent() and node:parent():named_child_count() > n then
return node:parent():named_child(n) == node
end
return false
end, opts)
---@param match (TSNode|nil)[]
---@param _pattern string
---@param bufnr integer
---@param pred string[]
---@return boolean|nil
query.add_predicate("is?", function(match, _pattern, bufnr, pred)
if not valid_args("is?", pred, 2) then
return
end
-- Avoid circular dependencies
local locals = require "nvim-treesitter.locals"
local node = match[pred[2]]
local types = { unpack(pred, 3) }
if not node then
return true
end
local _, _, kind = locals.find_definition(node, bufnr)
return vim.tbl_contains(types, kind)
end, opts)
---@param match (TSNode|nil)[]
---@param _pattern string
---@param _bufnr integer
---@param pred string[]
---@return boolean|nil
query.add_predicate("kind-eq?", function(match, _pattern, _bufnr, pred)
if not valid_args(pred[1], pred, 2) then
return
end
local node = match[pred[2]]
local types = { unpack(pred, 3) }
if not node then
return true
end
return vim.tbl_contains(types, node:type())
end, opts)
---@param match (TSNode|nil)[]
---@param _ string
---@param bufnr integer
---@param pred string[]
---@return boolean|nil
query.add_directive("set-lang-from-mimetype!", function(match, _, bufnr, pred, metadata)
local capture_id = pred[2]
local node = match[capture_id]
if not node then
return
end
local type_attr_value = vim.treesitter.get_node_text(node, bufnr)
local configured = html_script_type_languages[type_attr_value]
if configured then
metadata["injection.language"] = configured
else
local parts = vim.split(type_attr_value, "/", {})
metadata["injection.language"] = parts[#parts]
end
end, opts)
---@param match (TSNode|nil)[]
---@param _ string
---@param bufnr integer
---@param pred string[]
---@return boolean|nil
query.add_directive("set-lang-from-info-string!", function(match, _, bufnr, pred, metadata)
local capture_id = pred[2]
local node = match[capture_id]
if not node then
return
end
local injection_alias = vim.treesitter.get_node_text(node, bufnr):lower()
metadata["injection.language"] = get_parser_from_markdown_info_string(injection_alias)
end, opts)
-- Just avoid some annoying warnings for this directive
query.add_directive("make-range!", function() end, opts)
--- transform node text to lower case (e.g., to make @injection.language case insensitive)
---
---@param match (TSNode|nil)[]
---@param _ string
---@param bufnr integer
---@param pred string[]
---@return boolean|nil
query.add_directive("downcase!", function(match, _, bufnr, pred, metadata)
local id = pred[2]
local node = match[id]
if not node then
return
end
local text = vim.treesitter.get_node_text(node, bufnr, { metadata = metadata[id] }) or ""
if not metadata[id] then
metadata[id] = {}
end
metadata[id].text = string.lower(text)
end, opts)
|
