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266 lines
7.3 KiB
Lua
266 lines
7.3 KiB
Lua
local util = require('navigator.util')
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local log = util.log
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local trace = util.trace
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local mk_handler = util.mk_handler
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local api = vim.api
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local references = {}
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_NG_hi_list = {}
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_NG_current_symbol = ''
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_NG_ref_hi_idx = 1
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-- extract symbol from cursor
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local function get_symbol()
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local currentWord = vim.fn.expand('<cword>')
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return currentWord
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end
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local function add_locs(bufnr, result)
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local symbol = get_symbol()
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if #result < 1 then
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return
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end
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symbol = string.format('%s_%i_%i_%i', symbol, bufnr, result[1].range.start.line, result[1].range.start.character)
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if _NG_hi_list[symbol] == nil then
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_NG_hi_list[symbol] = { range = {} }
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end
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if _NG_hi_list[symbol] ~= nil then
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trace('already added', symbol)
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_NG_hi_list[symbol].range = {}
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-- vim.fn.matchdelete(hid)
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end
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trace('add ', symbol)
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_NG_hi_list[symbol].range = result
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_NG_current_symbol = symbol
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end
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local function nohl()
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for key, value in pairs(_NG_hi_list) do
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if value.hi_ids ~= nil then
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for _, v in ipairs(value.hi_ids) do
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trace('delete', v)
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vim.fn.matchdelete(v)
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end
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_NG_hi_list[key].hi_ids = nil
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end
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end
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end
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local function hi_symbol()
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local symbol_wd = get_symbol()
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local symbol = _NG_current_symbol
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if string.find(symbol, symbol_wd) == nil then
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vim.lsp.buf.document_highlight()
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symbol = _NG_current_symbol
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end
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if symbol == nil or symbol == '' then
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log('nil symbol')
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return
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end
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_NG_ref_hi_idx = _NG_ref_hi_idx + 1
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if _NG_ref_hi_idx > 6 then -- 6 magic number for colors
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_NG_ref_hi_idx = 1
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end
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local range = _NG_hi_list[symbol].range or {}
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if _NG_hi_list[symbol].hi_ids ~= nil then
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for _, value in ipairs(_NG_hi_list[symbol].hi_ids) do
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log('delete', value)
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vim.fn.matchdelete(value)
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end
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_NG_hi_list[symbol].hi_ids = nil
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return
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end
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local cur_pos = vim.fn.getpos('.')
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_NG_hi_list[symbol].hi_ids = {}
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local totalref = #range
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local cmd = string.format('%s/\\<%s\\>//gn', '%s', symbol_wd)
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local total_match = 0
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local match_result = vim.api.nvim_exec(cmd, true)
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local p = match_result:find(' match')
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vim.cmd('nohl')
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vim.fn.setpos('.', cur_pos)
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if p ~= nil then
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p = match_result:sub(1, p)
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total_match = tonumber(p)
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end
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if total_match == totalref then -- same number as matchpos
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trace(total_match, 'use matchadd()')
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local k = range[1].kind
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local hi_name = string.format('NGHiReference_%i_%i', _NG_ref_hi_idx, k)
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local m = string.format('\\<%s\\>', symbol_wd)
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local r = vim.fn.matchadd(hi_name, m, 20)
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trace('hi id', m, hi_name, r)
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table.insert(_NG_hi_list[symbol].hi_ids, r)
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--
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-- vim.fn.matchdelete(r)
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else
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for _, value in ipairs(range) do
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local k = value.kind
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local l = value.range.start.line + 1
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local el = value.range['end'].line + 1
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local cs = value.range.start.character + 1
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local ecs = value.range['end'].character + 1
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if el ~= l and cs == 1 and ecs > 1 then
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l = el
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end
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local w = value.range['end'].character - value.range.start.character
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local hi_name = string.format('NGHiReference_%i_%i', _NG_ref_hi_idx, k)
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trace(hi_name, { l, cs, w })
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local m = vim.fn.matchaddpos(hi_name, { { l, cs, w } }, 10)
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table.insert(_NG_hi_list[symbol].hi_ids, m)
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end
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end
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-- clean the _NG_hi_list
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for key, value in pairs(_NG_hi_list) do
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if value.hi_ids == nil then
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_NG_hi_list[key] = nil
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end
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end
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-- log(_NG_hi_list)
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end
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-- returns r1 < r2 based on start of range
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local function before(r1, r2)
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if r1.start.line < r2.start.line then
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return true
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end
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if r2.start.line < r1.start.line then
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return false
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end
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if r1.start.character < r2.start.character then
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return true
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end
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return false
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end
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local handle_document_highlight = mk_handler(function(_, result, ctx)
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trace(result, ctx)
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if not ctx.bufnr then
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log('ducment highlight error', result, ctx)
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return
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end
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if type(result) ~= 'table' then
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log('clear up', result)
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vim.lsp.util.buf_clear_references(ctx.bufnr)
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return
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end
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table.sort(result, function(a, b)
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return before(a.range, b.range)
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end)
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references[ctx.bufnr] = result
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vim.lsp.util.buf_highlight_references(ctx.bufnr, result, ctx.client_id)
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end)
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-- modify from vim-illuminate
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local function goto_adjent_reference(opt)
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trace(opt)
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opt = vim.tbl_extend('force', { forward = true, wrap = true }, opt or {})
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local bufnr = vim.api.nvim_get_current_buf()
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local refs = references[bufnr]
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if not refs or #refs == 0 then
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return nil
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end
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local next = nil
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local nexti = nil
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local crow, ccol = unpack(vim.api.nvim_win_get_cursor(0))
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local crange = { start = { line = crow - 1, character = ccol } }
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for i, ref in ipairs(refs) do
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local range = ref.range
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if opt.forward then
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if before(crange, range) and (not next or before(range, next)) then
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next = range
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nexti = i
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end
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else
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if before(range, crange) and (not next or before(next, range)) then
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next = range
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nexti = i
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end
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log(nexti, next)
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end
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end
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if not next and opt.wrap then
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nexti = opt.reverse and #refs or 1
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next = refs[nexti].range
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end
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trace(next)
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vim.api.nvim_win_set_cursor(0, { next.start.line + 1, next.start.character })
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return next
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end
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local function cmd_nohl()
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local cl = vim.trim(vim.fn.getcmdline())
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if #cl > 3 and ('nohlsearch'):match(cl) then
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vim.schedule(nohl)
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end
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end
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_G.nav_doc_hl = function()
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local bufnr = vim.api.nvim_get_current_buf()
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local ref_params = vim.lsp.util.make_position_params()
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vim.lsp.for_each_buffer_client(bufnr, function(client, client_id, bufnr)
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if client.resolved_capabilities.document_highlight then
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client.request('textDocument/documentHighlight', ref_params, handle_document_highlight, bufnr)
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end
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end)
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end
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local function documentHighlight()
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api.nvim_exec(
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[[
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autocmd ColorScheme * |
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hi default LspReferenceRead cterm=bold gui=Bold ctermbg=yellow guifg=yellow guibg=purple4 |
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hi default LspReferenceText cterm=bold gui=Bold ctermbg=red guifg=SlateBlue guibg=MidnightBlue |
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hi default LspReferenceWrite cterm=bold gui=Bold,Italic ctermbg=red guifg=DarkSlateBlue guibg=MistyRose
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augroup lsp_document_highlight
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autocmd! * <buffer>
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autocmd CursorHold <buffer> lua nav_doc_hl()
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autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
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augroup END
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]],
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false
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)
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vim.lsp.handlers['textDocument/documentHighlight'] = mk_handler(function(err, result, ctx)
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local bufnr = ctx.bufnr or api.nvim_get_current_buf()
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if err then
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vim.notify(err, vim.lsp.log_levels.ERROR)
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return
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end
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if not result or not result[1] or not result[1]['range'] then
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return
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end
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trace('dochl', result)
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bufnr = bufnr or 0
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if type(result) ~= 'table' then
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vim.lsp.util.buf_clear_references(bufnr)
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return
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end
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vim.lsp.util.buf_clear_references(bufnr)
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vim.lsp.util.buf_highlight_references(bufnr, result)
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table.sort(result, function(a, b)
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return before(a.range, b.range)
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end)
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references[bufnr] = result
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add_locs(bufnr, result)
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end)
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end
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return {
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documentHighlight = documentHighlight,
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goto_adjent_reference = goto_adjent_reference,
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handle_document_highlight = handle_document_highlight,
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hi_symbol = hi_symbol,
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nohl = nohl,
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cmd_nohl = cmd_nohl,
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}
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