mirror of
https://github.com/neovim/neovim.git
synced 2025-11-04 09:44:31 +00:00
1244 lines
38 KiB
Lua
1244 lines
38 KiB
Lua
local api = vim.api
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local validate = vim.validate
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local highlight = vim.highlight
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local log = require('vim.lsp.log')
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local protocol = require('vim.lsp.protocol')
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local util = require('vim.lsp.util')
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local if_nil = vim.F.if_nil
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--@class DiagnosticSeverity
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local DiagnosticSeverity = protocol.DiagnosticSeverity
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local to_severity = function(severity)
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if not severity then return nil end
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return type(severity) == 'string' and DiagnosticSeverity[severity] or severity
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end
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local filter_to_severity_limit = function(severity, diagnostics)
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local filter_level = to_severity(severity)
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if not filter_level then
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return diagnostics
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end
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return vim.tbl_filter(function(t) return t.severity == filter_level end, diagnostics)
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end
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local filter_by_severity_limit = function(severity_limit, diagnostics)
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local filter_level = to_severity(severity_limit)
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if not filter_level then
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return diagnostics
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end
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return vim.tbl_filter(function(t) return t.severity <= filter_level end, diagnostics)
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end
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local to_position = function(position, bufnr)
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vim.validate { position = {position, 't'} }
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return {
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position.line,
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util._get_line_byte_from_position(bufnr, position)
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}
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end
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---@brief lsp-diagnostic
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---
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--@class Diagnostic
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--@field range Range
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--@field message string
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--@field severity DiagnosticSeverity|nil
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--@field code number | string
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--@field source string
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--@field tags DiagnosticTag[]
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--@field relatedInformation DiagnosticRelatedInformation[]
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local M = {}
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-- Diagnostic Highlights {{{
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-- TODO(tjdevries): Determine how to generate documentation for these
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-- and how to configure them to be easy for users.
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--
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-- For now, just use the following script. It should work pretty good.
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--[[
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local levels = {"Error", "Warning", "Information", "Hint" }
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local all_info = {
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{ "Default", "Used as the base highlight group, other highlight groups link to", },
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{ "VirtualText", 'Used for "%s" diagnostic virtual text.\n See |vim.lsp.diagnostic.set_virtual_text()|', },
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{ "Underline", 'Used to underline "%s" diagnostics.\n See |vim.lsp.diagnostic.set_underline()|', },
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{ "Floating", 'Used to color "%s" diagnostic messages in diagnostics float.\n See |vim.lsp.diagnostic.show_line_diagnostics()|', },
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{ "Sign", 'Used for "%s" signs in sing column.\n See |vim.lsp.diagnostic.set_signs()|', },
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}
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local results = {}
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for _, info in ipairs(all_info) do
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for _, level in ipairs(levels) do
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local name = info[1]
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local description = info[2]
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local fullname = string.format("Lsp%s%s", name, level)
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table.insert(results, string.format(
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"%78s", string.format("*hl-%s*", fullname))
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)
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table.insert(results, fullname)
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table.insert(results, string.format(" %s", description))
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table.insert(results, "")
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end
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end
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-- print(table.concat(results, '\n'))
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vim.fn.setreg("*", table.concat(results, '\n'))
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--]]
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local diagnostic_severities = {
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[DiagnosticSeverity.Error] = { guifg = "Red" };
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[DiagnosticSeverity.Warning] = { guifg = "Orange" };
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[DiagnosticSeverity.Information] = { guifg = "LightBlue" };
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[DiagnosticSeverity.Hint] = { guifg = "LightGrey" };
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}
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-- Make a map from DiagnosticSeverity -> Highlight Name
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local make_highlight_map = function(base_name)
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local result = {}
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for k, _ in pairs(diagnostic_severities) do
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result[k] = "LspDiagnostics" .. base_name .. DiagnosticSeverity[k]
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end
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return result
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end
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local default_highlight_map = make_highlight_map("Default")
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local virtual_text_highlight_map = make_highlight_map("VirtualText")
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local underline_highlight_map = make_highlight_map("Underline")
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local floating_highlight_map = make_highlight_map("Floating")
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local sign_highlight_map = make_highlight_map("Sign")
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-- }}}
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-- Diagnostic Namespaces {{{
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local DEFAULT_CLIENT_ID = -1
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local get_client_id = function(client_id)
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if client_id == nil then
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client_id = DEFAULT_CLIENT_ID
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end
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return client_id
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end
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local get_bufnr = function(bufnr)
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if not bufnr then
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return api.nvim_get_current_buf()
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elseif bufnr == 0 then
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return api.nvim_get_current_buf()
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end
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return bufnr
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end
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--- Create a namespace table, used to track a client's buffer local items
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local _make_namespace_table = function(namespace, api_namespace)
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vim.validate { namespace = { namespace, 's' } }
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return setmetatable({
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[DEFAULT_CLIENT_ID] = api.nvim_create_namespace(namespace)
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}, {
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__index = function(t, client_id)
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client_id = get_client_id(client_id)
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if rawget(t, client_id) == nil then
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local value = string.format("%s:%s", namespace, client_id)
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if api_namespace then
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value = api.nvim_create_namespace(value)
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end
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rawset(t, client_id, value)
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end
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return rawget(t, client_id)
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end
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})
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end
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local _diagnostic_namespaces = _make_namespace_table("vim_lsp_diagnostics", true)
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local _sign_namespaces = _make_namespace_table("vim_lsp_signs", false)
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--@private
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function M._get_diagnostic_namespace(client_id)
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return _diagnostic_namespaces[client_id]
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end
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--@private
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function M._get_sign_namespace(client_id)
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return _sign_namespaces[client_id]
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end
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-- }}}
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-- Diagnostic Buffer & Client metatables {{{
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local bufnr_and_client_cacher_mt = {
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__index = function(t, bufnr)
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if bufnr == 0 or bufnr == nil then
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bufnr = vim.api.nvim_get_current_buf()
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end
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if rawget(t, bufnr) == nil then
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rawset(t, bufnr, {})
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end
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return rawget(t, bufnr)
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end,
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__newindex = function(t, bufnr, v)
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if bufnr == 0 or bufnr == nil then
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bufnr = vim.api.nvim_get_current_buf()
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end
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rawset(t, bufnr, v)
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end,
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}
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-- }}}
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-- Diagnostic Saving & Caching {{{
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local _diagnostic_cleanup = setmetatable({}, bufnr_and_client_cacher_mt)
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local diagnostic_cache = setmetatable({}, bufnr_and_client_cacher_mt)
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local diagnostic_cache_lines = setmetatable({}, bufnr_and_client_cacher_mt)
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local diagnostic_cache_counts = setmetatable({}, bufnr_and_client_cacher_mt)
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local _bufs_waiting_to_update = setmetatable({}, bufnr_and_client_cacher_mt)
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--- Store Diagnostic[] by line
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---
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---@param diagnostics Diagnostic[]
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---@return table<number, Diagnostic[]>
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local _diagnostic_lines = function(diagnostics)
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if not diagnostics then return end
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local diagnostics_by_line = {}
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for _, diagnostic in ipairs(diagnostics) do
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local start = diagnostic.range.start
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local line_diagnostics = diagnostics_by_line[start.line]
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if not line_diagnostics then
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line_diagnostics = {}
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diagnostics_by_line[start.line] = line_diagnostics
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end
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table.insert(line_diagnostics, diagnostic)
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end
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return diagnostics_by_line
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end
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--- Get the count of M by Severity
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---
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---@param diagnostics Diagnostic[]
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---@return table<DiagnosticSeverity, number>
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local _diagnostic_counts = function(diagnostics)
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if not diagnostics then return end
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local counts = {}
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for _, diagnostic in pairs(diagnostics) do
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if diagnostic.severity then
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local val = counts[diagnostic.severity]
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if val == nil then
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val = 0
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end
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counts[diagnostic.severity] = val + 1
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end
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end
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return counts
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end
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--@private
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--- Set the different diagnostic cache after `textDocument/publishDiagnostics`
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---@param diagnostics Diagnostic[]
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---@param bufnr number
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---@param client_id number
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---@return nil
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local function set_diagnostic_cache(diagnostics, bufnr, client_id)
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client_id = get_client_id(client_id)
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-- https://microsoft.github.io/language-server-protocol/specifications/specification-current/#diagnostic
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--
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-- The diagnostic's severity. Can be omitted. If omitted it is up to the
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-- client to interpret diagnostics as error, warning, info or hint.
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-- TODO: Replace this with server-specific heuristics to infer severity.
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local buf_line_count = vim.api.nvim_buf_line_count(bufnr)
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for _, diagnostic in ipairs(diagnostics) do
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if diagnostic.severity == nil then
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diagnostic.severity = DiagnosticSeverity.Error
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end
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-- Account for servers that place diagnostics on terminating newline
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if buf_line_count > 0 then
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local start = diagnostic.range.start
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start.line = math.min(start.line, buf_line_count - 1)
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end
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end
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diagnostic_cache[bufnr][client_id] = diagnostics
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diagnostic_cache_lines[bufnr][client_id] = _diagnostic_lines(diagnostics)
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diagnostic_cache_counts[bufnr][client_id] = _diagnostic_counts(diagnostics)
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end
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--@private
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--- Clear the cached diagnostics
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---@param bufnr number
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---@param client_id number
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local function clear_diagnostic_cache(bufnr, client_id)
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client_id = get_client_id(client_id)
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diagnostic_cache[bufnr][client_id] = nil
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diagnostic_cache_lines[bufnr][client_id] = nil
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diagnostic_cache_counts[bufnr][client_id] = nil
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end
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--- Save diagnostics to the current buffer.
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---
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--- Handles saving diagnostics from multiple clients in the same buffer.
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---@param diagnostics Diagnostic[]
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---@param bufnr number
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---@param client_id number
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function M.save(diagnostics, bufnr, client_id)
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validate {
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diagnostics = {diagnostics, 't'},
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bufnr = {bufnr, 'n'},
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client_id = {client_id, 'n', true},
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}
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if not diagnostics then return end
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bufnr = get_bufnr(bufnr)
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client_id = get_client_id(client_id)
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if not _diagnostic_cleanup[bufnr][client_id] then
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_diagnostic_cleanup[bufnr][client_id] = true
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-- Clean up our data when the buffer unloads.
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api.nvim_buf_attach(bufnr, false, {
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on_detach = function(b)
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clear_diagnostic_cache(b, client_id)
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_diagnostic_cleanup[bufnr][client_id] = nil
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end
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})
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end
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set_diagnostic_cache(diagnostics, bufnr, client_id)
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end
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-- }}}
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-- Diagnostic Retrieval {{{
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--- Get all diagnostics for all clients
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---
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---@return {bufnr: Diagnostic[]}
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function M.get_all()
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local diagnostics_by_bufnr = {}
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for bufnr, buf_diagnostics in pairs(diagnostic_cache) do
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diagnostics_by_bufnr[bufnr] = {}
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for _, client_diagnostics in pairs(buf_diagnostics) do
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vim.list_extend(diagnostics_by_bufnr[bufnr], client_diagnostics)
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end
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end
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return diagnostics_by_bufnr
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end
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--- Return associated diagnostics for bufnr
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---
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---@param bufnr number
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---@param client_id number|nil If nil, then return all of the diagnostics.
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--- Else, return just the diagnostics associated with the client_id.
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function M.get(bufnr, client_id)
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if client_id == nil then
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local all_diagnostics = {}
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for iter_client_id, _ in pairs(diagnostic_cache[bufnr]) do
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local iter_diagnostics = M.get(bufnr, iter_client_id)
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for _, diagnostic in ipairs(iter_diagnostics) do
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table.insert(all_diagnostics, diagnostic)
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end
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end
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return all_diagnostics
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end
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return diagnostic_cache[bufnr][client_id] or {}
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end
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--- Get the diagnostics by line
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---
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---@param bufnr number The buffer number
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---@param line_nr number The line number
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---@param opts table|nil Configuration keys
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--- - severity: (DiagnosticSeverity, default nil)
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--- - Only return diagnostics with this severity. Overrides severity_limit
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--- - severity_limit: (DiagnosticSeverity, default nil)
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--- - Limit severity of diagnostics found. E.g. "Warning" means { "Error", "Warning" } will be valid.
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---@param client_id number the client id
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---@return table Table with map of line number to list of diagnostics.
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-- Structured: { [1] = {...}, [5] = {.... } }
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function M.get_line_diagnostics(bufnr, line_nr, opts, client_id)
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opts = opts or {}
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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line_nr = line_nr or vim.api.nvim_win_get_cursor(0)[1] - 1
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local client_get_diags = function(iter_client_id)
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return (diagnostic_cache_lines[bufnr][iter_client_id] or {})[line_nr] or {}
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end
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local line_diagnostics
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if client_id == nil then
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line_diagnostics = {}
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for iter_client_id, _ in pairs(diagnostic_cache_lines[bufnr]) do
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for _, diagnostic in ipairs(client_get_diags(iter_client_id)) do
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table.insert(line_diagnostics, diagnostic)
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end
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end
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else
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line_diagnostics = vim.deepcopy(client_get_diags(client_id))
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end
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if opts.severity then
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line_diagnostics = filter_to_severity_limit(opts.severity, line_diagnostics)
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elseif opts.severity_limit then
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line_diagnostics = filter_by_severity_limit(opts.severity_limit, line_diagnostics)
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end
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table.sort(line_diagnostics, function(a, b) return a.severity < b.severity end)
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return line_diagnostics
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end
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--- Get the counts for a particular severity
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---
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--- Useful for showing diagnostic counts in statusline. eg:
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---
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--- <pre>
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--- function! LspStatus() abort
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--- let sl = ''
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--- if luaeval('not vim.tbl_isempty(vim.lsp.buf_get_clients(0))')
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--- let sl.='%#MyStatuslineLSP#E:'
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--- let sl.='%#MyStatuslineLSPErrors#%{luaeval("vim.lsp.diagnostic.get_count(0, [[Error]])")}'
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--- let sl.='%#MyStatuslineLSP# W:'
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--- let sl.='%#MyStatuslineLSPWarnings#%{luaeval("vim.lsp.diagnostic.get_count(0, [[Warning]])")}'
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--- else
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--- let sl.='%#MyStatuslineLSPErrors#off'
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--- endif
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--- return sl
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--- endfunction
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--- let &l:statusline = '%#MyStatuslineLSP#LSP '.LspStatus()
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--- </pre>
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---
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---@param bufnr number The buffer number
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---@param severity DiagnosticSeverity
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---@param client_id number the client id
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function M.get_count(bufnr, severity, client_id)
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if client_id == nil then
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local total = 0
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for iter_client_id, _ in pairs(diagnostic_cache_counts[bufnr]) do
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total = total + M.get_count(bufnr, severity, iter_client_id)
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end
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return total
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end
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return (diagnostic_cache_counts[bufnr][client_id] or {})[DiagnosticSeverity[severity]] or 0
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end
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-- }}}
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-- Diagnostic Movements {{{
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--- Helper function to iterate through all of the diagnostic lines
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---@return table list of diagnostics
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local _iter_diagnostic_lines = function(start, finish, step, bufnr, opts, client_id)
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if bufnr == nil then
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bufnr = vim.api.nvim_get_current_buf()
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end
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local wrap = if_nil(opts.wrap, true)
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local search = function(search_start, search_finish, search_step)
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for line_nr = search_start, search_finish, search_step do
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local line_diagnostics = M.get_line_diagnostics(bufnr, line_nr, opts, client_id)
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if line_diagnostics and not vim.tbl_isempty(line_diagnostics) then
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return line_diagnostics
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end
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end
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end
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local result = search(start, finish, step)
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if wrap then
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local wrap_start, wrap_finish
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if step == 1 then
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wrap_start, wrap_finish = 1, start
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else
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wrap_start, wrap_finish = vim.api.nvim_buf_line_count(bufnr), start
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end
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if not result then
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result = search(wrap_start, wrap_finish, step)
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end
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end
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return result
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end
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|
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--@private
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--- Helper function to ierate through diagnostic lines and return a position
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---
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---@return table {row, col}
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local function _iter_diagnostic_lines_pos(opts, line_diagnostics)
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opts = opts or {}
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local win_id = opts.win_id or vim.api.nvim_get_current_win()
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local bufnr = vim.api.nvim_win_get_buf(win_id)
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if line_diagnostics == nil or vim.tbl_isempty(line_diagnostics) then
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return false
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end
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local iter_diagnostic = line_diagnostics[1]
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return to_position(iter_diagnostic.range.start, bufnr)
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end
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|
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--@private
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-- Move to the diagnostic position
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local function _iter_diagnostic_move_pos(name, opts, pos)
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opts = opts or {}
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|
|
local enable_popup = if_nil(opts.enable_popup, true)
|
|
local win_id = opts.win_id or vim.api.nvim_get_current_win()
|
|
|
|
if not pos then
|
|
print(string.format("%s: No more valid diagnostics to move to.", name))
|
|
return
|
|
end
|
|
|
|
vim.api.nvim_win_set_cursor(win_id, {pos[1] + 1, pos[2]})
|
|
|
|
if enable_popup then
|
|
-- This is a bit weird... I'm surprised that we need to wait til the next tick to do this.
|
|
vim.schedule(function()
|
|
M.show_line_diagnostics(opts.popup_opts, vim.api.nvim_win_get_buf(win_id))
|
|
end)
|
|
end
|
|
end
|
|
|
|
--- Get the previous diagnostic closest to the cursor_position
|
|
---
|
|
---@param opts table See |vim.lsp.diagnostic.goto_next()|
|
|
---@return table Previous diagnostic
|
|
function M.get_prev(opts)
|
|
opts = opts or {}
|
|
|
|
local win_id = opts.win_id or vim.api.nvim_get_current_win()
|
|
local bufnr = vim.api.nvim_win_get_buf(win_id)
|
|
local cursor_position = opts.cursor_position or vim.api.nvim_win_get_cursor(win_id)
|
|
|
|
return _iter_diagnostic_lines(cursor_position[1] - 2, 0, -1, bufnr, opts, opts.client_id)
|
|
end
|
|
|
|
--- Return the pos, {row, col}, for the prev diagnostic in the current buffer.
|
|
---@param opts table See |vim.lsp.diagnostic.goto_next()|
|
|
---@return table Previous diagnostic position
|
|
function M.get_prev_pos(opts)
|
|
return _iter_diagnostic_lines_pos(
|
|
opts,
|
|
M.get_prev(opts)
|
|
)
|
|
end
|
|
|
|
--- Move to the previous diagnostic
|
|
---@param opts table See |vim.lsp.diagnostic.goto_next()|
|
|
function M.goto_prev(opts)
|
|
return _iter_diagnostic_move_pos(
|
|
"DiagnosticPrevious",
|
|
opts,
|
|
M.get_prev_pos(opts)
|
|
)
|
|
end
|
|
|
|
--- Get the next diagnostic closest to the cursor_position
|
|
---@param opts table See |vim.lsp.diagnostic.goto_next()|
|
|
---@return table Next diagnostic
|
|
function M.get_next(opts)
|
|
opts = opts or {}
|
|
|
|
local win_id = opts.win_id or vim.api.nvim_get_current_win()
|
|
local bufnr = vim.api.nvim_win_get_buf(win_id)
|
|
local cursor_position = opts.cursor_position or vim.api.nvim_win_get_cursor(win_id)
|
|
|
|
return _iter_diagnostic_lines(cursor_position[1], vim.api.nvim_buf_line_count(bufnr), 1, bufnr, opts, opts.client_id)
|
|
end
|
|
|
|
--- Return the pos, {row, col}, for the next diagnostic in the current buffer.
|
|
---@param opts table See |vim.lsp.diagnostic.goto_next()|
|
|
---@return table Next diagnostic position
|
|
function M.get_next_pos(opts)
|
|
return _iter_diagnostic_lines_pos(
|
|
opts,
|
|
M.get_next(opts)
|
|
)
|
|
end
|
|
|
|
--- Move to the next diagnostic
|
|
---@param opts table|nil Configuration table. Keys:
|
|
--- - {client_id}: (number)
|
|
--- - If nil, will consider all clients attached to buffer.
|
|
--- - {cursor_position}: (Position, default current position)
|
|
--- - See |nvim_win_get_cursor()|
|
|
--- - {wrap}: (boolean, default true)
|
|
--- - Whether to loop around file or not. Similar to 'wrapscan'
|
|
--- - {severity}: (DiagnosticSeverity)
|
|
--- - Exclusive severity to consider. Overrides {severity_limit}
|
|
--- - {severity_limit}: (DiagnosticSeverity)
|
|
--- - Limit severity of diagnostics found. E.g. "Warning" means { "Error", "Warning" } will be valid.
|
|
--- - {enable_popup}: (boolean, default true)
|
|
--- - Call |vim.lsp.diagnostic.show_line_diagnostics()| on jump
|
|
--- - {popup_opts}: (table)
|
|
--- - Table to pass as {opts} parameter to |vim.lsp.diagnostic.show_line_diagnostics()|
|
|
--- - {win_id}: (number, default 0)
|
|
--- - Window ID
|
|
function M.goto_next(opts)
|
|
return _iter_diagnostic_move_pos(
|
|
"DiagnosticNext",
|
|
opts,
|
|
M.get_next_pos(opts)
|
|
)
|
|
end
|
|
-- }}}
|
|
-- Diagnostic Setters {{{
|
|
|
|
--- Set signs for given diagnostics
|
|
---
|
|
--- Sign characters can be customized with the following commands:
|
|
---
|
|
--- <pre>
|
|
--- sign define LspDiagnosticsSignError text=E texthl=LspDiagnosticsSignError linehl= numhl=
|
|
--- sign define LspDiagnosticsSignWarning text=W texthl=LspDiagnosticsSignWarning linehl= numhl=
|
|
--- sign define LspDiagnosticsSignInformation text=I texthl=LspDiagnosticsSignInformation linehl= numhl=
|
|
--- sign define LspDiagnosticsSignHint text=H texthl=LspDiagnosticsSignHint linehl= numhl=
|
|
--- </pre>
|
|
---@param diagnostics Diagnostic[]
|
|
---@param bufnr number The buffer number
|
|
---@param client_id number the client id
|
|
---@param sign_ns number|nil
|
|
---@param opts table Configuration for signs. Keys:
|
|
--- - priority: Set the priority of the signs.
|
|
--- - severity_limit (DiagnosticSeverity):
|
|
--- - Limit severity of diagnostics found. E.g. "Warning" means { "Error", "Warning" } will be valid.
|
|
function M.set_signs(diagnostics, bufnr, client_id, sign_ns, opts)
|
|
opts = opts or {}
|
|
sign_ns = sign_ns or M._get_sign_namespace(client_id)
|
|
|
|
if not diagnostics then
|
|
diagnostics = diagnostic_cache[bufnr][client_id]
|
|
end
|
|
|
|
if not diagnostics then
|
|
return
|
|
end
|
|
|
|
bufnr = get_bufnr(bufnr)
|
|
diagnostics = filter_by_severity_limit(opts.severity_limit, diagnostics)
|
|
|
|
local ok = true
|
|
for _, diagnostic in ipairs(diagnostics) do
|
|
|
|
ok = ok and pcall(vim.fn.sign_place,
|
|
0,
|
|
sign_ns,
|
|
sign_highlight_map[diagnostic.severity],
|
|
bufnr,
|
|
{
|
|
priority = opts.priority,
|
|
lnum = diagnostic.range.start.line + 1
|
|
}
|
|
)
|
|
end
|
|
|
|
if not ok then
|
|
log.debug("Failed to place signs:", diagnostics)
|
|
end
|
|
end
|
|
|
|
--- Set underline for given diagnostics
|
|
---
|
|
--- Underline highlights can be customized by changing the following |:highlight| groups.
|
|
---
|
|
--- <pre>
|
|
--- LspDiagnosticsUnderlineError
|
|
--- LspDiagnosticsUnderlineWarning
|
|
--- LspDiagnosticsUnderlineInformation
|
|
--- LspDiagnosticsUnderlineHint
|
|
--- </pre>
|
|
---
|
|
---@param diagnostics Diagnostic[]
|
|
---@param bufnr number: The buffer number
|
|
---@param client_id number: The client id
|
|
---@param diagnostic_ns number|nil: The namespace
|
|
---@param opts table: Configuration table:
|
|
--- - severity_limit (DiagnosticSeverity):
|
|
--- - Limit severity of diagnostics found. E.g. "Warning" means { "Error", "Warning" } will be valid.
|
|
function M.set_underline(diagnostics, bufnr, client_id, diagnostic_ns, opts)
|
|
opts = opts or {}
|
|
|
|
diagnostic_ns = diagnostic_ns or M._get_diagnostic_namespace(client_id)
|
|
diagnostics = filter_by_severity_limit(opts.severity_limit, diagnostics)
|
|
|
|
for _, diagnostic in ipairs(diagnostics) do
|
|
local start = diagnostic.range["start"]
|
|
local finish = diagnostic.range["end"]
|
|
local higroup = underline_highlight_map[diagnostic.severity]
|
|
|
|
if higroup == nil then
|
|
-- Default to error if we don't have a highlight associated
|
|
higroup = underline_highlight_map[DiagnosticSeverity.Error]
|
|
end
|
|
|
|
highlight.range(
|
|
bufnr,
|
|
diagnostic_ns,
|
|
higroup,
|
|
to_position(start, bufnr),
|
|
to_position(finish, bufnr)
|
|
)
|
|
end
|
|
end
|
|
|
|
-- Virtual Text {{{
|
|
--- Set virtual text given diagnostics
|
|
---
|
|
--- Virtual text highlights can be customized by changing the following |:highlight| groups.
|
|
---
|
|
--- <pre>
|
|
--- LspDiagnosticsVirtualTextError
|
|
--- LspDiagnosticsVirtualTextWarning
|
|
--- LspDiagnosticsVirtualTextInformation
|
|
--- LspDiagnosticsVirtualTextHint
|
|
--- </pre>
|
|
---
|
|
---@param diagnostics Diagnostic[]
|
|
---@param bufnr number
|
|
---@param client_id number
|
|
---@param diagnostic_ns number
|
|
---@param opts table Options on how to display virtual text. Keys:
|
|
--- - prefix (string): Prefix to display before virtual text on line
|
|
--- - spacing (number): Number of spaces to insert before virtual text
|
|
--- - severity_limit (DiagnosticSeverity):
|
|
--- - Limit severity of diagnostics found. E.g. "Warning" means { "Error", "Warning" } will be valid.
|
|
function M.set_virtual_text(diagnostics, bufnr, client_id, diagnostic_ns, opts)
|
|
opts = opts or {}
|
|
|
|
client_id = get_client_id(client_id)
|
|
diagnostic_ns = diagnostic_ns or M._get_diagnostic_namespace(client_id)
|
|
|
|
local buffer_line_diagnostics
|
|
if diagnostics then
|
|
buffer_line_diagnostics = _diagnostic_lines(diagnostics)
|
|
else
|
|
buffer_line_diagnostics = diagnostic_cache_lines[bufnr][client_id]
|
|
end
|
|
|
|
if not buffer_line_diagnostics then
|
|
return nil
|
|
end
|
|
|
|
for line, line_diagnostics in pairs(buffer_line_diagnostics) do
|
|
line_diagnostics = filter_by_severity_limit(opts.severity_limit, line_diagnostics)
|
|
local virt_texts = M.get_virtual_text_chunks_for_line(bufnr, line, line_diagnostics, opts)
|
|
|
|
if virt_texts then
|
|
api.nvim_buf_set_virtual_text(bufnr, diagnostic_ns, line, virt_texts, {})
|
|
end
|
|
end
|
|
end
|
|
|
|
--- Default function to get text chunks to display using `nvim_buf_set_virtual_text`.
|
|
---@param bufnr number The buffer to display the virtual text in
|
|
---@param line number The line number to display the virtual text on
|
|
---@param line_diags Diagnostic[] The diagnostics associated with the line
|
|
---@param opts table See {opts} from |vim.lsp.diagnostic.set_virtual_text()|
|
|
---@return table chunks, as defined by |nvim_buf_set_virtual_text()|
|
|
function M.get_virtual_text_chunks_for_line(bufnr, line, line_diags, opts)
|
|
assert(bufnr or line)
|
|
|
|
if #line_diags == 0 then
|
|
return nil
|
|
end
|
|
|
|
opts = opts or {}
|
|
local prefix = opts.prefix or "■"
|
|
local spacing = opts.spacing or 4
|
|
|
|
-- Create a little more space between virtual text and contents
|
|
local virt_texts = {{string.rep(" ", spacing)}}
|
|
|
|
for i = 1, #line_diags - 1 do
|
|
table.insert(virt_texts, {prefix, virtual_text_highlight_map[line_diags[i].severity]})
|
|
end
|
|
local last = line_diags[#line_diags]
|
|
|
|
-- TODO(tjdevries): Allow different servers to be shown first somehow?
|
|
-- TODO(tjdevries): Display server name associated with these?
|
|
if last.message then
|
|
table.insert(
|
|
virt_texts,
|
|
{
|
|
string.format("%s %s", prefix, last.message:gsub("\r", ""):gsub("\n", " ")),
|
|
virtual_text_highlight_map[last.severity]
|
|
}
|
|
)
|
|
|
|
return virt_texts
|
|
end
|
|
end
|
|
-- }}}
|
|
-- }}}
|
|
-- Diagnostic Clear {{{
|
|
--- Clears the currently displayed diagnostics
|
|
---@param bufnr number The buffer number
|
|
---@param client_id number the client id
|
|
---@param diagnostic_ns number|nil Associated diagnostic namespace
|
|
---@param sign_ns number|nil Associated sign namespace
|
|
function M.clear(bufnr, client_id, diagnostic_ns, sign_ns)
|
|
validate { bufnr = { bufnr, 'n' } }
|
|
|
|
bufnr = (bufnr == 0 and api.nvim_get_current_buf()) or bufnr
|
|
|
|
if client_id == nil then
|
|
return vim.lsp.for_each_buffer_client(bufnr, function(_, iter_client_id, _)
|
|
return M.clear(bufnr, iter_client_id)
|
|
end)
|
|
end
|
|
|
|
diagnostic_ns = diagnostic_ns or M._get_diagnostic_namespace(client_id)
|
|
sign_ns = sign_ns or M._get_sign_namespace(client_id)
|
|
|
|
assert(bufnr, "bufnr is required")
|
|
assert(diagnostic_ns, "Need diagnostic_ns, got nil")
|
|
assert(sign_ns, string.format("Need sign_ns, got nil %s", sign_ns))
|
|
|
|
-- clear sign group
|
|
vim.fn.sign_unplace(sign_ns, {buffer=bufnr})
|
|
|
|
-- clear virtual text namespace
|
|
api.nvim_buf_clear_namespace(bufnr, diagnostic_ns, 0, -1)
|
|
end
|
|
-- }}}
|
|
-- Diagnostic Insert Leave Handler {{{
|
|
|
|
--- Callback scheduled for after leaving insert mode
|
|
---
|
|
--- Used to handle
|
|
--@private
|
|
function M._execute_scheduled_display(bufnr, client_id)
|
|
local args = _bufs_waiting_to_update[bufnr][client_id]
|
|
if not args then
|
|
return
|
|
end
|
|
|
|
-- Clear the args so we don't display unnecessarily.
|
|
_bufs_waiting_to_update[bufnr][client_id] = nil
|
|
|
|
M.display(nil, bufnr, client_id, args)
|
|
end
|
|
|
|
local registered = {}
|
|
|
|
local make_augroup_key = function(bufnr, client_id)
|
|
return string.format("LspDiagnosticInsertLeave:%s:%s", bufnr, client_id)
|
|
end
|
|
|
|
--- Table of autocmd events to fire the update for displaying new diagnostic information
|
|
M.insert_leave_auto_cmds = { "InsertLeave", "CursorHoldI" }
|
|
|
|
--- Used to schedule diagnostic updates upon leaving insert mode.
|
|
---
|
|
--- For parameter description, see |M.display()|
|
|
function M._schedule_display(bufnr, client_id, args)
|
|
_bufs_waiting_to_update[bufnr][client_id] = args
|
|
|
|
local key = make_augroup_key(bufnr, client_id)
|
|
if not registered[key] then
|
|
vim.cmd(string.format("augroup %s", key))
|
|
vim.cmd(" au!")
|
|
vim.cmd(
|
|
string.format(
|
|
[[autocmd %s <buffer=%s> :lua vim.lsp.diagnostic._execute_scheduled_display(%s, %s)]],
|
|
table.concat(M.insert_leave_auto_cmds, ","),
|
|
bufnr,
|
|
bufnr,
|
|
client_id
|
|
)
|
|
)
|
|
vim.cmd("augroup END")
|
|
|
|
registered[key] = true
|
|
end
|
|
end
|
|
|
|
|
|
--- Used in tandem with
|
|
---
|
|
--- For parameter description, see |M.display()|
|
|
function M._clear_scheduled_display(bufnr, client_id)
|
|
local key = make_augroup_key(bufnr, client_id)
|
|
|
|
if registered[key] then
|
|
vim.cmd(string.format("augroup %s", key))
|
|
vim.cmd(" au!")
|
|
vim.cmd("augroup END")
|
|
|
|
registered[key] = nil
|
|
end
|
|
end
|
|
-- }}}
|
|
|
|
-- Diagnostic Private Highlight Utilies {{{
|
|
--- Get the severity highlight name
|
|
--@private
|
|
function M._get_severity_highlight_name(severity)
|
|
return virtual_text_highlight_map[severity]
|
|
end
|
|
|
|
--- Get floating severity highlight name
|
|
--@private
|
|
function M._get_floating_severity_highlight_name(severity)
|
|
return floating_highlight_map[severity]
|
|
end
|
|
|
|
--- This should be called to update the highlights for the LSP client.
|
|
function M._define_default_signs_and_highlights()
|
|
--@private
|
|
local function define_default_sign(name, properties)
|
|
if vim.tbl_isempty(vim.fn.sign_getdefined(name)) then
|
|
vim.fn.sign_define(name, properties)
|
|
end
|
|
end
|
|
|
|
-- Initialize default diagnostic highlights
|
|
for severity, hi_info in pairs(diagnostic_severities) do
|
|
local default_highlight_name = default_highlight_map[severity]
|
|
highlight.create(default_highlight_name, hi_info, true)
|
|
|
|
-- Default link all corresponding highlights to the default highlight
|
|
highlight.link(virtual_text_highlight_map[severity], default_highlight_name, false)
|
|
highlight.link(floating_highlight_map[severity], default_highlight_name, false)
|
|
highlight.link(sign_highlight_map[severity], default_highlight_name, false)
|
|
end
|
|
|
|
-- Create all signs
|
|
for severity, sign_hl_name in pairs(sign_highlight_map) do
|
|
local severity_name = DiagnosticSeverity[severity]
|
|
|
|
define_default_sign(sign_hl_name, {
|
|
text = (severity_name or 'U'):sub(1, 1),
|
|
texthl = sign_hl_name,
|
|
linehl = '',
|
|
numhl = '',
|
|
})
|
|
end
|
|
|
|
-- Initialize Underline highlights
|
|
for severity, underline_highlight_name in pairs(underline_highlight_map) do
|
|
highlight.create(underline_highlight_name, {
|
|
cterm = 'underline',
|
|
gui = 'underline',
|
|
guisp = diagnostic_severities[severity].guifg
|
|
}, true)
|
|
end
|
|
end
|
|
-- }}}
|
|
-- Diagnostic Display {{{
|
|
|
|
--- |lsp-handler| for the method "textDocument/publishDiagnostics"
|
|
---
|
|
---@note Each of the configuration options accepts:
|
|
--- - `false`: Disable this feature
|
|
--- - `true`: Enable this feature, use default settings.
|
|
--- - `table`: Enable this feature, use overrides.
|
|
--- - `function`: Function with signature (bufnr, client_id) that returns any of the above.
|
|
--- <pre>
|
|
--- vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
|
|
--- vim.lsp.diagnostic.on_publish_diagnostics, {
|
|
--- -- Enable underline, use default values
|
|
--- underline = true,
|
|
--- -- Enable virtual text, override spacing to 4
|
|
--- virtual_text = {
|
|
--- spacing = 4,
|
|
--- },
|
|
--- -- Use a function to dynamically turn signs off
|
|
--- -- and on, using buffer local variables
|
|
--- signs = function(bufnr, client_id)
|
|
--- return vim.bo[bufnr].show_signs == false
|
|
--- end,
|
|
--- -- Disable a feature
|
|
--- update_in_insert = false,
|
|
--- }
|
|
--- )
|
|
--- </pre>
|
|
---
|
|
---@param config table Configuration table.
|
|
--- - underline: (default=true)
|
|
--- - Apply underlines to diagnostics.
|
|
--- - See |vim.lsp.diagnostic.set_underline()|
|
|
--- - virtual_text: (default=true)
|
|
--- - Apply virtual text to line endings.
|
|
--- - See |vim.lsp.diagnostic.set_virtual_text()|
|
|
--- - signs: (default=true)
|
|
--- - Apply signs for diagnostics.
|
|
--- - See |vim.lsp.diagnostic.set_signs()|
|
|
--- - update_in_insert: (default=false)
|
|
--- - Update diagnostics in InsertMode or wait until InsertLeave
|
|
--- - severity_sort: (default=false)
|
|
--- - Sort diagnostics (and thus signs and virtual text)
|
|
function M.on_publish_diagnostics(_, _, params, client_id, _, config)
|
|
local uri = params.uri
|
|
local bufnr = vim.uri_to_bufnr(uri)
|
|
|
|
if not bufnr then
|
|
return
|
|
end
|
|
|
|
local diagnostics = params.diagnostics
|
|
|
|
if config and if_nil(config.severity_sort, false) then
|
|
table.sort(diagnostics, function(a, b) return a.severity > b.severity end)
|
|
end
|
|
|
|
-- Always save the diagnostics, even if the buf is not loaded.
|
|
-- Language servers may report compile or build errors via diagnostics
|
|
-- Users should be able to find these, even if they're in files which
|
|
-- are not loaded.
|
|
M.save(diagnostics, bufnr, client_id)
|
|
|
|
-- Unloaded buffers should not handle diagnostics.
|
|
-- When the buffer is loaded, we'll call on_attach, which sends textDocument/didOpen.
|
|
-- This should trigger another publish of the diagnostics.
|
|
--
|
|
-- In particular, this stops a ton of spam when first starting a server for current
|
|
-- unloaded buffers.
|
|
if not api.nvim_buf_is_loaded(bufnr) then
|
|
return
|
|
end
|
|
|
|
M.display(diagnostics, bufnr, client_id, config)
|
|
end
|
|
|
|
--@private
|
|
--- Display diagnostics for the buffer, given a configuration.
|
|
function M.display(diagnostics, bufnr, client_id, config)
|
|
config = vim.lsp._with_extend('vim.lsp.diagnostic.on_publish_diagnostics', {
|
|
signs = true,
|
|
underline = true,
|
|
virtual_text = true,
|
|
update_in_insert = false,
|
|
severity_sort = false,
|
|
}, config)
|
|
|
|
-- TODO(tjdevries): Consider how we can make this a "standardized" kind of thing for |lsp-handlers|.
|
|
-- It seems like we would probably want to do this more often as we expose more of them.
|
|
-- It provides a very nice functional interface for people to override configuration.
|
|
local resolve_optional_value = function(option)
|
|
local enabled_val = {}
|
|
|
|
if not option then
|
|
return false
|
|
elseif option == true then
|
|
return enabled_val
|
|
elseif type(option) == 'function' then
|
|
local val = option(bufnr, client_id)
|
|
if val == true then
|
|
return enabled_val
|
|
else
|
|
return val
|
|
end
|
|
elseif type(option) == 'table' then
|
|
return option
|
|
else
|
|
error("Unexpected option type: " .. vim.inspect(option))
|
|
end
|
|
end
|
|
|
|
if resolve_optional_value(config.update_in_insert) then
|
|
M._clear_scheduled_display(bufnr, client_id)
|
|
else
|
|
local mode = vim.api.nvim_get_mode()
|
|
|
|
if string.sub(mode.mode, 1, 1) == 'i' then
|
|
M._schedule_display(bufnr, client_id, config)
|
|
return
|
|
end
|
|
end
|
|
|
|
M.clear(bufnr, client_id)
|
|
|
|
diagnostics = diagnostics or M.get(bufnr, client_id)
|
|
|
|
vim.api.nvim_command("doautocmd <nomodeline> User LspDiagnosticsChanged")
|
|
|
|
if not diagnostics or vim.tbl_isempty(diagnostics) then
|
|
return
|
|
end
|
|
|
|
local underline_opts = resolve_optional_value(config.underline)
|
|
if underline_opts then
|
|
M.set_underline(diagnostics, bufnr, client_id, nil, underline_opts)
|
|
end
|
|
|
|
local virtual_text_opts = resolve_optional_value(config.virtual_text)
|
|
if virtual_text_opts then
|
|
M.set_virtual_text(diagnostics, bufnr, client_id, nil, virtual_text_opts)
|
|
end
|
|
|
|
local signs_opts = resolve_optional_value(config.signs)
|
|
if signs_opts then
|
|
M.set_signs(diagnostics, bufnr, client_id, nil, signs_opts)
|
|
end
|
|
end
|
|
-- }}}
|
|
-- Diagnostic User Functions {{{
|
|
|
|
--- Open a floating window with the diagnostics from {line_nr}
|
|
---
|
|
--- The floating window can be customized with the following highlight groups:
|
|
--- <pre>
|
|
--- LspDiagnosticsFloatingError
|
|
--- LspDiagnosticsFloatingWarning
|
|
--- LspDiagnosticsFloatingInformation
|
|
--- LspDiagnosticsFloatingHint
|
|
--- </pre>
|
|
---@param opts table Configuration table
|
|
--- - show_header (boolean, default true): Show "Diagnostics:" header.
|
|
---@param bufnr number The buffer number
|
|
---@param line_nr number The line number
|
|
---@param client_id number|nil the client id
|
|
---@return table {popup_bufnr, win_id}
|
|
function M.show_line_diagnostics(opts, bufnr, line_nr, client_id)
|
|
opts = opts or {}
|
|
|
|
local show_header = if_nil(opts.show_header, true)
|
|
|
|
bufnr = bufnr or 0
|
|
line_nr = line_nr or (vim.api.nvim_win_get_cursor(0)[1] - 1)
|
|
|
|
local lines = {}
|
|
local highlights = {}
|
|
if show_header then
|
|
table.insert(lines, "Diagnostics:")
|
|
table.insert(highlights, {0, "Bold"})
|
|
end
|
|
|
|
local line_diagnostics = M.get_line_diagnostics(bufnr, line_nr, opts, client_id)
|
|
if vim.tbl_isempty(line_diagnostics) then return end
|
|
|
|
for i, diagnostic in ipairs(line_diagnostics) do
|
|
local prefix = string.format("%d. ", i)
|
|
local hiname = M._get_floating_severity_highlight_name(diagnostic.severity)
|
|
assert(hiname, 'unknown severity: ' .. tostring(diagnostic.severity))
|
|
|
|
local message_lines = vim.split(diagnostic.message, '\n', true)
|
|
table.insert(lines, prefix..message_lines[1])
|
|
table.insert(highlights, {#prefix, hiname})
|
|
for j = 2, #message_lines do
|
|
table.insert(lines, message_lines[j])
|
|
table.insert(highlights, {0, hiname})
|
|
end
|
|
end
|
|
|
|
local popup_bufnr, winnr = util.open_floating_preview(lines, 'plaintext', opts)
|
|
for i, hi in ipairs(highlights) do
|
|
local prefixlen, hiname = unpack(hi)
|
|
-- Start highlight after the prefix
|
|
api.nvim_buf_add_highlight(popup_bufnr, -1, hiname, i-1, prefixlen, -1)
|
|
end
|
|
|
|
return popup_bufnr, winnr
|
|
end
|
|
|
|
local loclist_type_map = {
|
|
[DiagnosticSeverity.Error] = 'E',
|
|
[DiagnosticSeverity.Warning] = 'W',
|
|
[DiagnosticSeverity.Information] = 'I',
|
|
[DiagnosticSeverity.Hint] = 'I',
|
|
}
|
|
|
|
|
|
--- Clear diagnotics and diagnostic cache
|
|
---
|
|
--- Handles saving diagnostics from multiple clients in the same buffer.
|
|
---@param client_id number
|
|
---@param buffer_client_map table map of buffers to active clients
|
|
function M.reset(client_id, buffer_client_map)
|
|
buffer_client_map = vim.deepcopy(buffer_client_map)
|
|
vim.schedule(function()
|
|
for bufnr, client_ids in pairs(buffer_client_map) do
|
|
if client_ids[client_id] then
|
|
clear_diagnostic_cache(bufnr, client_id)
|
|
M.clear(bufnr, client_id)
|
|
end
|
|
end
|
|
end)
|
|
end
|
|
|
|
--- Sets the location list
|
|
---@param opts table|nil Configuration table. Keys:
|
|
--- - {open_loclist}: (boolean, default true)
|
|
--- - Open loclist after set
|
|
--- - {client_id}: (number)
|
|
--- - If nil, will consider all clients attached to buffer.
|
|
--- - {severity}: (DiagnosticSeverity)
|
|
--- - Exclusive severity to consider. Overrides {severity_limit}
|
|
--- - {severity_limit}: (DiagnosticSeverity)
|
|
--- - Limit severity of diagnostics found. E.g. "Warning" means { "Error", "Warning" } will be valid.
|
|
function M.set_loclist(opts)
|
|
opts = opts or {}
|
|
|
|
local open_loclist = if_nil(opts.open_loclist, true)
|
|
|
|
local bufnr = vim.api.nvim_get_current_buf()
|
|
local buffer_diags = M.get(bufnr, opts.client_id)
|
|
|
|
if opts.severity then
|
|
buffer_diags = filter_to_severity_limit(opts.severity, buffer_diags)
|
|
elseif opts.severity_limit then
|
|
buffer_diags = filter_by_severity_limit(opts.severity_limit, buffer_diags)
|
|
end
|
|
|
|
local items = {}
|
|
local insert_diag = function(diag)
|
|
local pos = diag.range.start
|
|
local row = pos.line
|
|
local col = util.character_offset(bufnr, row, pos.character)
|
|
|
|
local line = (api.nvim_buf_get_lines(bufnr, row, row + 1, false) or {""})[1]
|
|
|
|
table.insert(items, {
|
|
bufnr = bufnr,
|
|
lnum = row + 1,
|
|
col = col + 1,
|
|
text = line .. " | " .. diag.message,
|
|
type = loclist_type_map[diag.severity or DiagnosticSeverity.Error] or 'E',
|
|
})
|
|
end
|
|
|
|
for _, diag in ipairs(buffer_diags) do
|
|
insert_diag(diag)
|
|
end
|
|
|
|
table.sort(items, function(a, b) return a.lnum < b.lnum end)
|
|
|
|
util.set_loclist(items)
|
|
if open_loclist then
|
|
vim.cmd [[lopen]]
|
|
end
|
|
end
|
|
-- }}}
|
|
|
|
return M
|