add tree-sitter-erlang (#1657)

2 files changed, 120 insertions, 0 deletions

diff --git a/runtime/queries/erlang/highlights.scm b/runtime/queries/erlang/highlights.scm
new file mode 100644
index 00000000..fc742f3a
--- /dev/null
+++ b/runtime/queries/erlang/highlights.scm
@@ -0,0 +1,118 @@
+; Attributes
+; module declaration
+(attribute
+  name: (atom) @keyword
+  (arguments (atom) @module)
+ (#eq? @keyword "module"))
+
+(attribute
+  name: (atom) @keyword
+  (arguments
+    .
+    (atom) @module)
+ (#eq? @keyword "import"))
+
+(attribute
+  name: (atom) @keyword
+  (arguments
+    .
+    (atom) @type
+    [
+      (tuple (atom) @variable.other.member)
+      (tuple
+        (binary_operator
+          left: (atom) @variable.other.member
+          operator: "="))
+      (tuple
+        (binary_operator
+          left:
+            (binary_operator
+              left: (atom) @variable.other.member
+              operator: "=")
+          operator: "::"))
+      ])
+ (#eq? @keyword "record"))
+
+(attribute
+  name: (atom) @keyword
+  (arguments
+    .
+    [
+      (atom) @keyword.directive
+      (variable) @keyword.directive
+      (call
+        function:
+          [(variable) (atom)] @keyword.directive)
+    ])
+ (#eq? @keyword "define"))
+
+(attribute
+  name: (atom) @keyword
+  module: (atom) @module
+ (#eq? @keyword "spec"))
+
+; Functions
+(function name: (atom) @function)
+(call module: (atom) @module)
+(call function: (atom) @function)
+(stab_clause name: (atom) @function)
+(function_capture module: (atom) @module)
+(function_capture function: (atom) @function)
+
+; Records
+(record_content
+  (binary_operator
+    left: (atom) @variable.other.member
+    operator: "="))
+
+(record field: (atom) @variable.other.member)
+(record name: (atom) @type)
+
+; Keywords
+((attribute name: (atom) @keyword)
+ (#match?
+  @keyword
+  "^(define|export|export_type|include|include_lib|ifdef|ifndef|if|elif|else|endif|vsn|on_load|behaviour|record|file|type|opaque|spec)$"))
+
+["case" "fun" "if" "of" "when" "end" "receive" "try" "catch" "after"] @keyword
+
+; Operators
+(binary_operator
+  left: (atom) @function
+  operator: "/"
+  right: (integer) @constant.numeric.integer)
+
+(binary_operator operator: _ @operator)
+(unary_operator operator: _ @operator)
+["/" ":" "#" "->"] @operator
+
+; Comments
+((variable) @comment.discard
+ (#match? @comment.discard "^_"))
+
+(tripledot) @comment.discard
+
+(comment) @comment
+
+; Macros
+(macro
+  "?"+ @keyword.directive
+  name: (_) @keyword.directive)
+
+; Basic types
+(variable) @variable
+[
+  (atom)
+  (quoted_atom)
+] @string.special.symbol
+(string) @string
+(character) @constant.character
+
+(integer) @constant.numeric.integer
+(float) @constant.numeric.float
+
+; Punctuation
+["," "." "-" ";"] @punctuation.delimiter
+["(" ")" "{" "}" "[" "]" "<<" ">>"] @punctuation.bracket
+
+; (ERROR) @error
diff --git a/runtime/queries/erlang/injections.scm b/runtime/queries/erlang/injections.scm
new file mode 100644
index 00000000..321c90ad
--- /dev/null
+++ b/runtime/queries/erlang/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+ (#set! injection.language "comment"))