name                   = iro
file_extensions []     = iro;
textmate_uuid = e0fbbdae-90c3-466f-a089-6436289cb493

# ============== Constants ==============

__KEYWORDS \= \b(styles|contexts)
__IDENTIFIER \= \b([a-z_$][\w$]*)
__PUNCT \= \b([;.,:&-><#]+)
__BUILTINS \= \b(name|file_extensions|textmate_uuid|regex|color|ace_scope|textmate_scope|pygments_scope|include|pattern|style|context)

# ============== Styles ==============

styles [] {
   .comment : style {
      color                 = green
      italic                = true
      ace_scope             = comment
      textmate_scope        = comment
      pygments_scope        = Comment
   }

   .keyword : style {
      color                 = orange
      ace_scope             = keyword
      textmate_scope        = keyword
      pygments_scope        = Keyword
   }

   .ident : style {
      color                 = light_blue
      ace_scope             = entity.name
      textmate_scope        = entity.name
      pygments_scope        = Name.Entity
   }

   .builtin : style {
      color                 = cyan
      ace_scope             = support.function
      textmate_scope        = support.function
      pygments_scope        = Keyword.Reserved
   }

   .numeric : style {
      color                 = gold
      ace_scope             = constant.numeric
      textmate_scope        = constant.numeric
      pygments_scope        = Number
   }

   .punctuation : style {
      color                 = violet
      ace_scope             = punctuation
      textmate_scope        = punctuation
      pygments_scope        = Punctuation
   }

   .string : style {
      color                 = brown
      ace_scope             = string
      textmate_scope        = string
      pygments_scope        = String
   }

   .illegal : style {
      color                 = white
      background_color      = red
      ace_scope             = invalid
      textmate_scope        = invalid
      pygments_scope        = Generic.Error
   }
}

# ============== Contexts ==============

contexts [] {
   main : context {
      : pattern {
         regex          \= $${__KEYWORDS}
         styles []       = .keyword;
      }

      : pattern {
         regex          \= $${__BUILTINS}
         styles []       = .builtin;
      }

      : pattern {
         regex          \= $${__IDENTIFIER}
         styles []       = .ident;
      }

      : inline_push {
         regex          \= ((\\)?=)
         styles []       = .punctuation;
         default_style   = .string
         : eol_pop {}
      }
      
      : inline_push {
         regex          \= (\")
         styles []       = .string;
         default_style   = .string
         : pop {
            regex       \= (\")
            styles []    = .string;
         }
      }

      : include "numeric" ;

      : inline_push {
         regex          \= (\{)
         styles []       = .punctuation;
         : pop {  
            regex       \= (\};)
            styles []    = .punctuation;
         }
         : include "main" ;
      }

      : pattern {
         regex          \= $${__PUNCT}
         styles []       = .punctuation;
      }

      : pattern {
         regex          \= (&|=|;|,)
         styles []       = .punctuation;
      }

      : pattern {
         regex          \= (\(|\)|\{|\}|\[|\]|\.|\+|\*|\-|\\|\||:)
         styles []       = .punctuation;
      }

      : pattern {
         regex          \= (^(\s+)?#.*)
         styles []       = .comment;
      }

      : pattern {
         regex          \= ([^\s])
         styles []       = .illegal;
      }

   }

   # ============== Numeric ==============

   numeric : context {
      : pattern {
         regex          \= (\b\d+)
         styles []       = .numeric;
      }
   }
}