From 942fe5faef47b21241e970551eba407bc10d9547 Mon Sep 17 00:00:00 2001
From: Maksym Klishevych <m@klishevy.ch>
Date: Wed, 22 Mar 2023 15:49:55 +0200
Subject: feat(treesitter): symbols & ignore symbols options (#2338)

* feat(treesitter): symbols & ignore symbols options

* renamed the function passed to utils.filter_symbols

---------

Co-authored-by: Maksym Klishevych <max@klishevy.ch>
---
 lua/telescope/builtin/__lsp.lua | 38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

(limited to 'lua/telescope/builtin/__lsp.lua')

diff --git a/lua/telescope/builtin/__lsp.lua b/lua/telescope/builtin/__lsp.lua
index 96b7cfa..17cf430 100644
--- a/lua/telescope/builtin/__lsp.lua
+++ b/lua/telescope/builtin/__lsp.lua
@@ -227,6 +227,38 @@ lsp.implementations = function(opts)
   return list_or_jump("textDocument/implementation", "LSP Implementations", opts)
 end
 
+local symbols_sorter = function(symbols)
+  if vim.tbl_isempty(symbols) then
+    return symbols
+  end
+
+  local current_buf = vim.api.nvim_get_current_buf()
+
+  -- sort adequately for workspace symbols
+  local filename_to_bufnr = {}
+  for _, symbol in ipairs(symbols) do
+    if filename_to_bufnr[symbol.filename] == nil then
+      filename_to_bufnr[symbol.filename] = vim.uri_to_bufnr(vim.uri_from_fname(symbol.filename))
+    end
+    symbol.bufnr = filename_to_bufnr[symbol.filename]
+  end
+
+  table.sort(symbols, function(a, b)
+    if a.bufnr == b.bufnr then
+      return a.lnum < b.lnum
+    end
+    if a.bufnr == current_buf then
+      return true
+    end
+    if b.bufnr == current_buf then
+      return false
+    end
+    return a.bufnr < b.bufnr
+  end)
+
+  return symbols
+end
+
 lsp.document_symbols = function(opts)
   local params = vim.lsp.util.make_position_params(opts.winnr)
   vim.lsp.buf_request(opts.bufnr, "textDocument/documentSymbol", params, function(err, result, _, _)
@@ -244,7 +276,7 @@ lsp.document_symbols = function(opts)
     end
 
     local locations = vim.lsp.util.symbols_to_items(result or {}, opts.bufnr) or {}
-    locations = utils.filter_symbols(locations, opts)
+    locations = utils.filter_symbols(locations, opts, symbols_sorter)
     if locations == nil then
       -- error message already printed in `utils.filter_symbols`
       return
@@ -287,7 +319,7 @@ lsp.workspace_symbols = function(opts)
     end
 
     local locations = vim.lsp.util.symbols_to_items(server_result or {}, opts.bufnr) or {}
-    locations = utils.filter_symbols(locations, opts)
+    locations = utils.filter_symbols(locations, opts, symbols_sorter)
     if locations == nil then
       -- error message already printed in `utils.filter_symbols`
       return
@@ -335,7 +367,7 @@ local function get_workspace_symbols_requester(bufnr, opts)
 
     local locations = vim.lsp.util.symbols_to_items(res or {}, bufnr) or {}
     if not vim.tbl_isempty(locations) then
-      locations = utils.filter_symbols(locations, opts) or {}
+      locations = utils.filter_symbols(locations, opts, symbols_sorter) or {}
     end
     return locations
   end
-- 
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