Rion Language Grammar Definition

rion.iro

// Rion Language Grammar Definition
// Used in https://eeyo.io/iro/
// Author: FireBlast (Github:TheFireBlast)

name                     = rion
file_extensions []       = iro;

contexts [] {

main : context {

   // Include
   : pattern {
      regex             \= (:\s*)(include)
      styles []          = .punctuation, .keyword;
   }
   
   // inline_push
   : inline_push {
      regex             \= (\\=)
      styles []          = .operator;
      : eol_pop {}
      : pattern {
         regex          \= (\$\$\{)([^}]+)(\})
         styles []       = .identifier;
      }
      : pattern {
         regex          \= (.)
         styles []       = .regexp;
      }
   }
   : inline_push {
      regex             \= ([a-zA-Z_0-9]+)(\s*\[\]\s*)(=)
      styles []          = .identifier, .punctuation, .operator;
      : pop {  
         regex          \= (;)
         styles []       = .punctuation;
      }
      : pattern {
         regex          \= ($$\{)([^}])(\})
         styles []       = .punctuation, .text, .punctuation;
      }
      : pattern {
         regex          \= (,)
         styles []       = .punctuation;
      }
      : pattern {
         regex          \= (.)
         styles []       = .text;
      }
   }
   : pattern {
      regex             \= (=)(.+)
      styles []          = .operator, .text;
   }

   // Define type
   : pattern {
      regex             \= (:\s*)([a-zA-Z_0-9]+)
      styles []          = .punctuation, .type;
   }
   
   // Collection
   : pattern {
      regex             \= ([a-zA-Z_0-9]+)(\s*[\[{])
      styles []          = .type, .punctuation;
   }
   
   // String
   : inline_push {
      regex             \= (\")
      styles []          = .punctuation;
      default_style      = .text
      : pop {
         regex          \= (\")
         styles []       = .punctuation;
      }
   }
   
   // Comment
   : inline_push {
      regex          \= (/\*)
      styles []       = .comment;
      default_style   = .comment
      : pop {
         regex       \= (\*/)
         styles []    = .comment;
      }
   }
   : pattern {
      regex          \= ((#|//).*)
      styles []       = .comment;
   }
   
   // Punctuation
   : pattern {
      regex          \= ([{}\[\];])
      styles []       = .punctuation;
   }
   
}
   
}

//==== Style ====//
styles [] {

.identifier : style {
   color              = #EEFFFF
   textmate_scope     = variable
}
.comment : style {
   color              = #777766
   italic             = true
   textmate_scope     = comment
   pygments_scope     = Comment
}
.text : style {
   color              = #DCD16A
   textmate_scope     = string
   pygments_scope     = String
}
.keyword : style {
   color              = #89DDFF
   italic             = true
   textmate_scope     = keyword.control
   pygments_scope     = Keyword.Namespace
}
.type : style {
   color              = #28DB28
   textmate_scope     = storage.type
   pygments_scope     = Keyword.Declaration
}
.operator : style {
   color              = #C8195A
   textmate_scope     = keyword.operator
   pygments_scope     = Operator
}
.punctuation : style {
   color              = #C8195A
   textmate_scope     = punctuation
   pygments_scope     = Punctuation
}
.regexp : style {
   color              = #FF8800
   italic             = true
   textmate_scope     = string.regexp
   pygments_scope     = String.Regex
}

}