Revert "feat: show virtual text in context bar (#203)"

This reverts commit 373c2e0.

lua/treesitter-context.lua

@@ -653,57 +653,6 @@ local function normalize_node(node)
   return node
 end
 
-local virt_text_ns = api.nvim_create_namespace("nvim-treesitter-context-virt-text")
----Render virtual text in the context buffer, includes extmarks and diagnostics
----@param cbufnr integer buf number of the context buffer
----@param extmarks table result of `clone_extmarks_into()`
----@param diagnostics table result of `clone_diagnostics_into()`
-local function render_virtual_text(cbufnr, extmarks, diagnostics)
-  api.nvim_buf_clear_namespace(cbufnr, virt_text_ns, 0, -1)
-
-  local len = api.nvim_buf_line_count(cbufnr)
-  for line = 0, len do
-    for _, m_info in ipairs(extmarks[line] or {}) do
-      api.nvim_buf_set_extmark(cbufnr, virt_text_ns, line, m_info.col, m_info.opts)
-    end
-  end
-
-  -- this is a hack b/c the diagnostic virtual text isn't accessible through nvim_buf_get_extmarks
-  vim.diagnostic.handlers.virtual_text.hide(virt_text_ns, cbufnr)
-  vim.diagnostic.handlers.virtual_text.show(virt_text_ns, cbufnr, diagnostics)
-end
-
----Clone existing, namespaced, extmarks present in the given range, and insert them into extmarks
----@param extmarks table from line number to list of extmarks on that line
----@param bufnr integer buffer number we're searching for ext marks
----@param range table<integer> { start_row, start_col, end_row, end_col }
----@param context_line_num integer the line in the context that this should be associated with
-local function clone_extmarks_into(extmarks, bufnr, range, context_line_num)
-  for _, n in pairs(api.nvim_get_namespaces()) do
-    local found_extmarks = api.nvim_buf_get_extmarks(bufnr, n, { range[1], range[2] }, { range[3], range[4] },
-      { details = true })
-    for _, e in pairs(found_extmarks) do
-      if extmarks[context_line_num] == nil then
-        extmarks[context_line_num] = {}
-      end
-      table.insert(extmarks[context_line_num], { col = e[3], opts = e[4] })
-    end
-  end
-end
-
----Clone existing diagnostic info from the given line
----@param diagnostics table from line number to list of diagnostics on that line
----@param bufnr integer buffer to find diagnostics in
----@param line integer line to copy diagnostics from
----@param context_line_num integer corresponding context buf line number
-local function clone_diagnostics_into(diagnostics, bufnr, line, context_line_num)
-  for _, d in ipairs(vim.diagnostic.get(bufnr, { lnum = line })) do
-    local copy = vim.deepcopy(d)
-    copy.lnum = context_line_num
-    table.insert(diagnostics, copy)
-  end
-end
-
 local function open(ctx_nodes)
   local bufnr = api.nvim_get_current_buf()
 
@@ -728,10 +677,8 @@ local function open(ctx_nodes)
   local context_text = {}
   local lno_text = {}
   local contexts = {}
-  local extmarks = {}
-  local diagnostics = {}
 
-  for idx, node in ipairs(ctx_nodes) do
+  for _, node in ipairs(ctx_nodes) do
     node = normalize_node(node)
 
     local lines, range = get_text_for_node(node)
@@ -755,19 +702,15 @@ local function open(ctx_nodes)
       line_num = ctx_line_num
     end
     table.insert(lno_text, build_lno_str(line_num, gutter_width-1))
-    clone_extmarks_into(extmarks, bufnr, range, idx - 1)
-    clone_diagnostics_into(diagnostics, bufnr, ctx_line_num - 1, idx - 1)
   end
 
   set_lines(gbufnr, lno_text)
-  local skip_highlights = not set_lines(ctx_bufnr, context_text)
-
-  render_virtual_text(ctx_bufnr, extmarks, diagnostics)
-
-  if skip_highlights then
+  if not set_lines(ctx_bufnr, context_text) then
+    -- Context didn't change, can return here
     return
   end
 
+
   highlight_contexts(bufnr, ctx_bufnr, contexts)
 
   api.nvim_buf_set_extmark(ctx_bufnr, ns, #lno_text-1, 0, {end_line=#lno_text, hl_group='TreesitterContextBottom', hl_eol=true})