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Plugins
carsakiller edited this page Aug 10, 2023
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Plugins can be used to modify how the language server works.
This does not provide hinting or reporting of custom syntax errors, however, it will let you create a custom syntax that will then be output to a separate file.
- Add
--develop=truetoLua.misc.parameters- This allows the plugin to write to
LOGPATH/diffed.lua
- This allows the plugin to write to
- Create
.vscode/lua/plugin.luain your workspace (or some other absolute location) - Specify the path of the plugin via the
Lua.runtime.pluginsetting
This function provides the uri and text of the file that has been edited and expects a list of differences to be returned. The result will be written to diffed.lua in your log location.
---@class diff ---@field start integer # The number of bytes at the beginning of the replacement ---@field finish integer # The number of bytes at the end of the replacement ---@field text string # What to replace ---@param uri string # The uri of file ---@param text string # The content of file ---@return nil|diff[] function OnSetText(uri, text) end
function OnSetText(uri, text) if text:sub(1, 4) ~= '--##' then return nil end local diffs = {} diffs[#diffs+1] = { start = 1, finish = 4, text = '', } for localPos, colonPos, typeName, finish in text:gmatch '()local%s+[%w_]+()%s*%:%s*([%w_]+)()' do diffs[#diffs+1] = { start = localPos, finish = localPos - 1, text = ('---@type %s\n'):format(typeName), } diffs[#diffs+1] = { start = colonPos, finish = finish - 1, text = '', } end return diffs end