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LSP/completion: Add completion text helper function

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This commit is contained in:
Andrey Avramenko 2020-04-20 01:59:09 +03:00
parent ccb038dc6a
commit e6cfc1b158
1 changed files with 14 additions and 2 deletions
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16
runtime/lua/vim/lsp/util.lua
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@ -157,11 +157,23 @@ local function sort_completion_items(items)
end
end
-- Returns text that should be inserted when selecting completion item. The precedence is as follows:
-- textEdit.newText > insertText > label
-- https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_completion
local function get_completion_word(item)
if item.textEdit ~= nil and item.textEdit.newText ~= nil then
return item.textEdit.newText
elseif item.insertText ~= nil then
return item.insertText
end
return item.label
end
-- Some lanuguage servers return complementary candidates whose prefixes do not match are also returned.
-- So we exclude completion candidates whose prefix does not match.
local function remove_unmatch_completion_items(items, prefix)
return vim.tbl_filter(function(item)
local word = (item.textEdit and item.textEdit.newText) or item.insertText or item.label
local word = get_completion_word(item)
return vim.startswith(word, prefix)
end, items)
end
@ -193,7 +205,7 @@ function M.text_document_completion_list_to_complete_items(result, prefix)
end
end
local word = (completion_item.textEdit and completion_item.textEdit.newText) or completion_item.insertText or completion_item.label
local word = get_completion_word(completion_item)
table.insert(matches, {
word = word,
abbr = completion_item.label,