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removed Octal

This commit is contained in:
e.e d3si9n 2012-03-11 13:12:23 -04:00
parent 8a7a3228e8
commit e6e778a1a3
1 changed files with 3 additions and 9 deletions
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12
util/complete/Parsers.scala
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@ -17,10 +17,8 @@ trait Parsers
lazy val DigitSet = Set("0","1","2","3","4","5","6","7","8","9")
lazy val Digit = charClass(_.isDigit, "digit") examples DigitSet
lazy val OctalDigitSet = Set("0","1","2","3","4","5","6","7")
lazy val OctalDigit = charClass(c => OctalDigitSet(c.toString), "octal") examples OctalDigitSet
lazy val HexDigitSet = Set("0","1","2","3","4","5","6","7","8","9", "A", "B", "C", "D", "E", "F")
lazy val HexDigit = charClass(c => HexDigitSet(c.toString.toUpperCase), "hex") examples HexDigitSet
lazy val HexDigitSet = Set('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F')
lazy val HexDigit = charClass(HexDigitSet, "hex") examples HexDigitSet.map(_.toString)
lazy val Letter = charClass(_.isLetter, "letter")
def IDStart = Letter
lazy val IDChar = charClass(isIDChar, "ID character")
@ -90,11 +88,7 @@ trait Parsers
}
lazy val EscapeSequence: Parser[String] =
"\\" ~> ("b" ^^^ "\b" | "t" ^^^ "\t" | "n" ^^^ "\n" | "f" ^^^ "\f" | "r" ^^^ "\r" |
"\"" ^^^ "\"" | "'" ^^^ "\'" | "\\" ^^^ "\\" | OctalEscape | UnicodeEscape)
lazy val OctalEscape: Parser[String] =
repeat(OctalDigit, 1, 3) map { seq =>
Integer.parseInt(seq.mkString, 8).asInstanceOf[Char].toString
}
"\"" ^^^ "\"" | "'" ^^^ "\'" | "\\" ^^^ "\\" | UnicodeEscape)
lazy val UnicodeEscape: Parser[String] =
("u" ~> repeat(HexDigit, 4, 4)) map { seq =>
Integer.parseInt(seq.mkString, 16).asInstanceOf[Char].toString