navigator.lua/lua/navigator/dochighlight.lua
2021-05-08 14:54:37 +10:00

119 lines
2.9 KiB
Lua

local util = require "navigator.util"
local log = util.log
local api = vim.api
local references = {}
-- returns r1 < r2 based on start of range
local function before(r1, r2)
if r1.start.line < r2.start.line then
return true
end
if r2.start.line < r1.start.line then
return false
end
if r1.start.character < r2.start.character then
return true
end
return false
end
local function handle_document_highlight(_, _, result, _, bufnr, _)
if not bufnr then
return
end
if type(result) ~= "table" then
vim.lsp.util.buf_clear_references(bufnr)
return
end
table.sort(
result,
function(a, b)
return before(a.range, b.range)
end
)
references[bufnr] = result
end
-- modify from vim-illuminate
local function goto_adjent_reference(opt)
log(opt)
opt = vim.tbl_extend("force", {forward = true, wrap = true}, opt or {})
local bufnr = vim.api.nvim_get_current_buf()
local refs = references[bufnr]
if not refs or #refs == 0 then
return nil
end
local next = nil
local nexti = nil
local crow, ccol = unpack(vim.api.nvim_win_get_cursor(0))
local crange = {start = {line = crow - 1, character = ccol}}
for i, ref in ipairs(refs) do
local range = ref.range
if opt.forward then
if before(crange, range) and (not next or before(range, next)) then
next = range
nexti = i
end
else
if before(range, crange) and (not next or before(next, range)) then
next = range
nexti = i
end
log(nexti, next)
end
end
if not next and opt.wrap then
nexti = opt.reverse and #refs or 1
next = refs[nexti].range
end
log(next)
vim.api.nvim_win_set_cursor(0, {next.start.line + 1, next.start.character})
return next
end
local function documentHighlight()
api.nvim_exec(
[[
hi LspReferenceRead cterm=bold gui=Bold ctermbg=yellow guibg=purple4
hi LspReferenceText cterm=bold gui=Bold ctermbg=red guibg=gray27
hi LspReferenceWrite cterm=bold gui=Bold,Italic ctermbg=red guibg=MistyRose
augroup lsp_document_highlight
autocmd! * <buffer>
autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
augroup END
]],
false
)
vim.lsp.handlers["textDocument/documentHighlight"] = function(_, _, result, _, bufnr)
if not result then
return
end
bufnr = api.nvim_get_current_buf()
vim.lsp.util.buf_clear_references(bufnr)
vim.lsp.util.buf_highlight_references(bufnr, result)
bufnr = bufnr or 0
if type(result) ~= "table" then
vim.lsp.util.buf_clear_references(bufnr)
return
end
table.sort(
result,
function(a, b)
return before(a.range, b.range)
end
)
references[bufnr] = result
end
end
return {
documentHighlight = documentHighlight,
goto_adjent_reference = goto_adjent_reference,
handle_document_highlight = handle_document_highlight
}