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  1. import scala.util.parsing.combinator.JavaTokenParsers
  2.  
  3. case class IntDef(name: String, value: Int)
  4. case class IntArrayDef(name: String, value: IndexedSeq[Int])
  5.  
  6. object HogeParser extends JavaTokenParsers {
  7. 	lazy val parse = types ~> repsep((defIntArray | defInt), ",") <~ ";"
  8.  
  9. 	lazy val types = "int|string".r
  10.  
  11. 	lazy val defInt = ident ~ ("=" ~> wholeNumber).? ^^ {
  12. 		case ident ~ None => println(ident + ":" + 0)
  13. 		case ident ~ Some(default) => println(ident + ":" + default.toString())
  14. 	}
  15.  
  16. 	lazy val defIntArray = ident ~ "[" ~ wholeNumber ~ "]" ~ ("=" ~ "{" ~> repsep(wholeNumber, ",") <~ "}").? ^^ {
  17. 		case ident ~ _ ~ size ~ _ ~ None => println(ident + IndexedSeq.fill(size.toInt)(0).toString())
  18. 		case ident ~ _ ~ size ~ _ ~ Some(defaults) => println(ident + ":" + defaults.toString())
  19. 			//println(ident + defaults.map(_.toInt).toIndexedSeq.toString())
  20. 	}
  21.  
  22. 	def apply(str: String) = parseAll(parse, str)
  23. }
  24.  
  25. object Main {
  26.  
  27. 	def main(args: Array[String]): Unit = {
  28. 		HogeParser("string hoge, hage[3] = { 1, 2, 3 }, huge = 5;").get
  29. 	}
  30.  
  31. }
  32.  
Success #stdin #stdout 0.34s 247424KB
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Standard input is empty
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hoge:0
hage:List(1, 2, 3)
huge:5
https://ideone.com/mRyvb
language:
Scala (scala 2.12.8)
created:
12 years ago
visibility:
public

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