feat: add indents for ocaml and ocaml interface (#4725)

queries/ocaml/indents.scm

@@ -0,0 +1,69 @@
+[ 
+  (let_binding)                 ; let = ...
+  (type_binding)
+
+  (external)
+  (record_declaration)          ; { foo: bar ... }
+  (structure)                   ; struct ... end
+  (signature)                   ; sig ... end
+  (value_specification)         ; val x: bar
+
+  (do_clause)                   ; do ... done
+  (match_case)
+
+  (field_expression)
+  (application_expression)
+  (parenthesized_expression)    ; ( ... )
+  (record_expression)           ; { foo = bar ... }
+  (list_expression)             ; [...;...]
+  (try_expression)              ; try ... with
+] @indent.begin
+
+; handle if-else if-else case
+(if_expression
+  condition: (_) @indent.begin)
+(then_clause) @indent.begin
+((else_clause 
+   (_) @_not_if) @indent.begin
+ (#not-has-type? @_not_if if_expression))
+
+((parameter) @indent.begin
+ (#set! indent.start_at_same_line))
+
+(_ (ERROR) @indent.begin
+ (#set! indent.start_at_same_line))
+
+(ERROR "|" @indent.begin
+ (#set! indent.start_at_same_line))
+
+
+(try_expression
+  "with" @indent.branch
+  [
+    (match_case) @indent.dedent
+    (match_case 
+      [
+        (parenthesized_expression) 
+        (list_expression)
+      ] @indent.dedent)
+  ]
+)
+
+[
+  "}"
+] @indent.branch @indent.end
+
+
+(list_expression "]" @indent.branch)
+(parenthesized_expression ")" @indent.branch)
+
+";;" @indent.end
+
+(do_clause "done" @indent.end @indent.branch) 
+(structure "end" @indent.end @indent.branch)
+(signature "end" @indent.end @indent.branch)
+
+[
+  (string)
+  (comment) 
+] @indent.auto

queries/ocaml_interface/indents.scm

@@ -0,0 +1 @@
+; inherits: ocaml