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feat(lsp): highlight active parameter in signature help (#15018)

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This commit is contained in:
Folke Lemaitre
2021-07-08 08:04:35 +02:00
committed by GitHub
parent f2205b83c5
commit af263711a3
4 changed files with 31 additions and 8 deletions
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14
runtime/lua/vim/lsp/util.lua
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@@ -856,6 +856,7 @@ function M.convert_signature_help_to_markdown_lines(signature_help, ft)
--=== 0`. Whenever possible implementors should make an active decision about
--the active signature and shouldn't rely on a default value.
local contents = {}
local active_hl
local active_signature = signature_help.activeSignature or 0
-- If the activeSignature is not inside the valid range, then clip it.
if active_signature >= #signature_help.signatures then
@@ -875,7 +876,7 @@ function M.convert_signature_help_to_markdown_lines(signature_help, ft)
M.convert_input_to_markdown_lines(signature.documentation, contents)
end
if signature.parameters and #signature.parameters > 0 then
local active_parameter = signature_help.activeParameter or 0
local active_parameter = (signature.activeParameter or signature_help.activeParameter or 0)
-- If the activeParameter is not inside the valid range, then clip it.
if active_parameter >= #signature.parameters then
active_parameter = 0
@@ -900,13 +901,20 @@ function M.convert_signature_help_to_markdown_lines(signature_help, ft)
documentation?: string | MarkupContent;
}
--]=]
-- TODO highlight parameter
if parameter.label then
if type(parameter.label) == "table" then
active_hl = parameter.label
else
local i = signature.label:find(parameter.label)
if i then active_hl = {i - 1, i + #parameter.label - 1} end
end
end
if parameter.documentation then
M.convert_input_to_markdown_lines(parameter.documentation, contents)
end
end
end
return contents
return contents, active_hl
end
--- Creates a table with sensible default options for a floating window. The