From 2532937ba1cf22d6d3523e6a3008c58a03452364 Mon Sep 17 00:00:00 2001
From: Clay <connorlay@users.noreply.github.com>
Date: Tue, 25 Jan 2022 08:52:51 -0800
Subject: [PATCH] Add tree-sitter-eex parser for (L)EEx files (#2351)

---
 lua/nvim-treesitter/parsers.lua | 10 ++++++++++
 queries/eex/highlights.scm      | 15 +++++++++++++++
 queries/eex/injections.scm      |  5 +++++
 queries/elixir/injections.scm   |  5 +++++
 4 files changed, 35 insertions(+)
 create mode 100644 queries/eex/highlights.scm
 create mode 100644 queries/eex/injections.scm

diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index cb9955850..a2d030c27 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -343,6 +343,16 @@ list.surface = {
   maintainers = { "@connorlay" },
 }
 
+list.eex = {
+  install_info = {
+    url = "https://github.com/connorlay/tree-sitter-eex",
+    files = { "src/parser.c" },
+    branch = "main",
+  },
+  filetype = "eex",
+  maintainers = { "@connorlay" },
+}
+
 list.heex = {
   install_info = {
     url = "https://github.com/connorlay/tree-sitter-heex",
diff --git a/queries/eex/highlights.scm b/queries/eex/highlights.scm
new file mode 100644
index 000000000..781b39466
--- /dev/null
+++ b/queries/eex/highlights.scm
@@ -0,0 +1,15 @@
+[
+  "%>"
+  "--%>"
+  "<%!--"
+  "<%"
+  "<%#"
+  "<%%="
+  "<%="
+] @tag.delimiter
+
+; EEx comments are highlighted as such
+(comment) @comment
+
+; Tree-sitter parser errors
+(ERROR) @error
diff --git a/queries/eex/injections.scm b/queries/eex/injections.scm
new file mode 100644
index 000000000..f43206f55
--- /dev/null
+++ b/queries/eex/injections.scm
@@ -0,0 +1,5 @@
+; EEx expressions are Elixir
+(expression) @elixir
+
+; EEx expressions can span multiple interpolated lines
+(partial_expression) @elixir @combined
diff --git a/queries/elixir/injections.scm b/queries/elixir/injections.scm
index c4c12cc1a..423fddea7 100644
--- a/queries/elixir/injections.scm
+++ b/queries/elixir/injections.scm
@@ -24,6 +24,11 @@
 (#eq? @_sigil_name "F"))
 
 ; Zigler
+(sigil
+  (sigil_name) @_sigil_name
+  (quoted_content) @eex
+(#any-of? @_sigil_name "E" "L"))
+
 (sigil
   (sigil_name) @_sigil_name
   (quoted_content) @zig