feat(tree-sitter): :sparkles: add go template support (#3091)

* feat(tree-sitter): :sparkles: add go template support

* fix(tree-sitter): :bug: go template highlight scope selectors

* chore(tree-sitter): :wrench: update go template grammar commit

2 files changed, 78 insertions, 0 deletions

diff --git a/runtime/queries/gotmpl/highlights.scm b/runtime/queries/gotmpl/highlights.scm
new file mode 100644
index 00000000..5921d161
--- /dev/null
+++ b/runtime/queries/gotmpl/highlights.scm
@@ -0,0 +1,76 @@
+; Identifiers
+
+[
+  (field)
+  (field_identifier)
+] @variable.other.member
+
+(variable) @variable
+
+; Function calls
+
+(function_call
+  function: (identifier) @function)
+
+(method_call
+  method: (selector_expression
+    field: (field_identifier) @function))
+
+; Operators
+
+"|" @operator
+":=" @operator
+
+; Builtin functions
+
+((identifier) @function.builtin
+ (#match? @function.builtin "^(and|call|html|index|slice|js|len|not|or|print|printf|println|urlquery|eq|ne|lt|ge|gt|ge)$"))
+
+; Delimiters
+
+"." @punctuation.delimiter
+"," @punctuation.delimiter
+
+"{{" @punctuation.bracket
+"}}" @punctuation.bracket
+"{{-" @punctuation.bracket
+"-}}" @punctuation.bracket
+")" @punctuation.bracket
+"(" @punctuation.bracket
+
+; Keywords
+
+"else" @keyword
+"if" @keyword
+"range" @keyword
+"with" @keyword
+"end" @keyword
+"template" @keyword
+"define" @keyword
+"block" @keyword
+
+; Literals
+
+[
+  (interpreted_string_literal)
+  (raw_string_literal)
+  (rune_literal)
+] @string
+
+(escape_sequence) @string.special
+
+[
+  (int_literal)
+  (float_literal)
+  (imaginary_literal)
+] @constant.numeric.integer
+
+[
+  (true)
+  (false)
+] @constant.builtin.boolean
+
+(nil) @constant.builtin
+
+(comment) @comment
+(ERROR) @error
diff --git a/runtime/queries/gotmpl/injections.scm b/runtime/queries/gotmpl/injections.scm
new file mode 100644
index 00000000..321c90ad
--- /dev/null
+++ b/runtime/queries/gotmpl/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+ (#set! injection.language "comment"))