From 5d2a1e8bbde4157820b1f930633a00c80827696b Mon Sep 17 00:00:00 2001
From: Lukasz Samson <lukaszsamson@gmail.com>
Date: Tue, 5 Dec 2023 17:36:02 +0100
Subject: [PATCH] remove dubious missing env fallback

---
 lib/elixir_sense/core/parser.ex        | 24 ++++++------------------
 lib/elixir_sense/core/state.ex         | 13 -------------
 test/elixir_sense/core/parser_test.exs |  2 +-
 3 files changed, 7 insertions(+), 32 deletions(-)

diff --git a/lib/elixir_sense/core/parser.ex b/lib/elixir_sense/core/parser.ex
index 7926b44c..e390d485 100644
--- a/lib/elixir_sense/core/parser.ex
+++ b/lib/elixir_sense/core/parser.ex
@@ -7,7 +7,6 @@ defmodule ElixirSense.Core.Parser do
   alias ElixirSense.Core.MetadataBuilder
   alias ElixirSense.Core.Normalized.Tokenizer
   alias ElixirSense.Core.Source
-  alias ElixirSense.Core.State
   alias ElixirSense.Core.Normalized.Code, as: NormalizedCode
   require Logger
 
@@ -54,16 +53,13 @@ defmodule ElixirSense.Core.Parser do
              !try_to_fix_line_not_found do
           create_metadata(source, {:ok, acc, error})
         else
-          result =
-            case try_fix_line_not_found_by_inserting_marker(modified_source, cursor_position) do
-              {:ok, acc} ->
-                acc
+          case try_fix_line_not_found_by_inserting_marker(modified_source, cursor_position) do
+            {:ok, acc} ->
+              create_metadata(source, {:ok, acc, error || {:error, :env_not_found}})
 
-              _ ->
-                fix_line_not_found_by_taking_previous_line(acc, elem(cursor_position, 0))
-            end
-
-          create_metadata(source, {:ok, result, error || {:error, :env_not_found}})
+            _ ->
+              create_metadata(source, {:ok, acc, error || {:error, :env_not_found}})
+          end
         end
 
       {:error, _reason} = error ->
@@ -143,14 +139,6 @@ defmodule ElixirSense.Core.Parser do
     end
   end
 
-  defp fix_line_not_found_by_taking_previous_line(acc, cursor_line_number)
-       when is_integer(cursor_line_number) do
-    previous_env_or_default = State.get_closest_previous_env(acc, cursor_line_number)
-
-    fixed_lines_to_env = acc.lines_to_env |> Map.put(cursor_line_number, previous_env_or_default)
-    %State{acc | lines_to_env: fixed_lines_to_env}
-  end
-
   defp try_fix_line_not_found_by_inserting_marker(
          modified_source,
          {cursor_line_number, _} = cursor_position
diff --git a/lib/elixir_sense/core/state.ex b/lib/elixir_sense/core/state.ex
index 8cd94788..debef88c 100644
--- a/lib/elixir_sense/core/state.ex
+++ b/lib/elixir_sense/core/state.ex
@@ -1359,19 +1359,6 @@ defmodule ElixirSense.Core.State do
   defp merge_type(old, old), do: old
   defp merge_type(old, new), do: {:intersection, [old, new]}
 
-  def get_closest_previous_env(%__MODULE__{} = metadata, line) do
-    metadata.lines_to_env
-    |> Enum.max_by(
-      fn
-        {env_line, _} when env_line < line -> env_line
-        _ -> 0
-      end,
-      &>=/2,
-      fn -> {0, default_env()} end
-    )
-    |> elem(1)
-  end
-
   def default_env, do: %ElixirSense.Core.State.Env{}
 
   def expand_alias(%__MODULE__{} = _state, module) when is_atom(module) do
diff --git a/test/elixir_sense/core/parser_test.exs b/test/elixir_sense/core/parser_test.exs
index cdbae99b..0881d339 100644
--- a/test/elixir_sense/core/parser_test.exs
+++ b/test/elixir_sense/core/parser_test.exs
@@ -339,7 +339,7 @@ defmodule ElixirSense.Core.ParserTest do
     end
     """
 
-    %Metadata{error: {:error, :parse_error}, lines_to_env: %{5 => _}} =
+    %Metadata{error: {:error, :parse_error}, lines_to_env: %{6 => _}} =
       parse_string(source, true, true, {5, 12})
   end