((comment) @injection.content
  (#set! injection.language "comment"))

; Pass code blocks to Cpp highlighter
(code
  (code_body) @injection.content
  (#set! injection.language "cpp"))

; Pass identifiers to Go highlighter (Cheating I know)
; ((identifier) @injection.content
;  (#set! injection.language "lua")
; Highlight regex syntax inside literal strings
((string_literal) @injection.content
  (#set! injection.language "regex"))

; Highlight PyFoam syntax as Python statements
(pyfoam_variable
  code_body: (_) @injection.content
  (#set! injection.language "python"))

(pyfoam_expression
  code_body: (_) @injection.content
  (#set! injection.language "python"))