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lsp: Add new highlight groups used in show_line_diagnostics (#12473)

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* lsp: support custom hl groups in show_line_diagnostics

Closes #12472.

* runtime: add docs for the new lsp highlight groups

Co-authored-by: francisco souza <fsouza@users.noreply.github.com>
This commit is contained in:
francisco souza
2020-06-18 08:04:49 -04:00
committed by GitHub
parent 25aa2969f2
commit 70d4b31b83
3 changed files with 33 additions and 9 deletions
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7
runtime/lua/vim/lsp/util.lua
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@@ -859,6 +859,8 @@ do
local severity_highlights = {}
local severity_floating_highlights = {}
local default_severity_highlight = {
[protocol.DiagnosticSeverity.Error] = { guifg = "Red" };
[protocol.DiagnosticSeverity.Warning] = { guifg = "Orange" };
@@ -870,6 +872,7 @@ do
for severity, hi_info in pairs(default_severity_highlight) do
local severity_name = protocol.DiagnosticSeverity[severity]
local highlight_name = "LspDiagnostics"..severity_name
local floating_highlight_name = highlight_name.."Floating"
-- Try to fill in the foreground color with a sane default.
local cmd_parts = {"highlight", "default", highlight_name}
for k, v in pairs(hi_info) do
@@ -877,7 +880,9 @@ do
end
api.nvim_command(table.concat(cmd_parts, ' '))
api.nvim_command('highlight link ' .. highlight_name .. 'Sign ' .. highlight_name)
api.nvim_command('highlight link ' .. highlight_name .. 'Floating ' .. highlight_name)
severity_highlights[severity] = highlight_name
severity_floating_highlights[severity] = floating_highlight_name
end
function M.buf_clear_diagnostics(bufnr)
@@ -926,7 +931,7 @@ do
-- TODO(ashkan) make format configurable?
local prefix = string.format("%d. ", i)
local hiname = severity_highlights[diagnostic.severity]
local hiname = severity_floating_highlights[diagnostic.severity]
assert(hiname, 'unknown severity: ' .. tostring(diagnostic.severity))
local message_lines = split_lines(diagnostic.message)
table.insert(lines, prefix..message_lines[1])