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refactor(_utils.ts): all public methods are just adapters

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Oleksandr Smirnov 2025-03-18 23:07:30 +02:00
parent df4390d666
commit 0bbe52ed81
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1 changed files with 37 additions and 42 deletions
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110
lua/gopher/_utils/ts/init.lua
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@ -1,110 +0,0 @@
local ts = {
queries = {
struct = [[
(type_spec name: (type_identifier) @_name
type: (struct_type))
]],
func = [[
[(function_declaration name: (identifier) @_name)
(method_declaration name: (field_identifier) @_name)]
]],
-- package = [[(package_clause (package_identifier)@package.name)@package.clause]],
-- interface = [[((type_declaration (type_spec name:(type_identifier) @interface.name type:(interface_type)))@interface.declaration)]],
-- method_name = [[((method_declaration receiver: (parameter_list)@method.receiver name: (field_identifier)@method.name body:(block))@method.declaration)]],
-- func = [[((function_declaration name: (identifier)@function.name) @function.declaration)]],
},
}
---@param parent_type string|[string]
---@param node TSNode
---@return TSNode?
local function get_parrent_node(parent_type, node)
---@type TSNode?
local current = node
while current do
if type(parent_type) == "string" then
if current:type() == parent_type then
break
end
elseif type(parent_type) == "table" then
if vim.tbl_contains(parent_type, current:type()) then
break
end
end
current = current:parent()
if current == nil then
return nil
end
end
return current
end
---@param query vim.treesitter.Query
---@param node TSNode
---@param bufnr integer
---@return {name:string}
local function query_and_get_captures(query, node, bufnr)
local res = {}
for _, match, _ in query:iter_matches(node, bufnr) do
for capture_id, captured_node in pairs(match) do
local capture_name = query.captures[capture_id]
if capture_name == "_name" then
res["name"] = vim.treesitter.get_node_text(captured_node, bufnr)
end
end
end
return res
end
---@param bufnr integer
---@return table
function ts.get_struct_under_cursor(bufnr)
local node = vim.treesitter.get_node()
if not node then
error "No nodes found under cursor"
end
--- should be both type_spec and type_declaration
--- because in cases like `type ( T struct{}, U strict{} )`
--- i will be choosing always last struct in the list
local parent_node = get_parrent_node({ "type_spec", "type_declaration" }, node)
if not parent_node then
error "No struct found under cursor"
end
local query = vim.treesitter.query.parse("go", ts.queries.struct)
local res = query_and_get_captures(query, parent_node, bufnr)
local start_row, _, end_row, _ = parent_node:range()
res["start_line"] = start_row + 1
res["end_line"] = end_row + 1
return res
end
---@param bufnr integer
function ts.get_func_under_cursor(bufnr)
local node = vim.treesitter.get_node()
if not node then
error "No nodes found under cursor"
end
local parent_node = get_parrent_node({ "function_declaration", "method_declaration" }, node)
if not parent_node then
error "No struct found under cursor"
end
local query = vim.treesitter.query.parse("go", ts.queries.func)
local res = query_and_get_captures(query, parent_node, bufnr)
local start_row, _, end_row, _ = parent_node:range()
res["start_line"] = start_row + 1
res["end_line"] = end_row + 1
return res
end
return ts