Scala example source code file (JavaTokens.scala)

This example Scala source code file (JavaTokens.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

abstract, bar, comma, comma, gtgtgteq, gtgtgteq, hat, hateq, identifier, identifier, if, int, int, while

The Scala JavaTokens.scala source code

/* NSC -- new Scala compiler
 * Copyright 2005-2011 LAMP/EPFL
 * @author  Martin Odersky
 */

package scala.tools.nsc
package javac

object JavaTokens extends ast.parser.Tokens {

  def isLiteral(code : Int) =
    code >= CHARLIT && code <= STRINGLIT

  /** identifiers */
  final val IDENTIFIER = 10
  def isIdentifier(code : Int) =
    code == IDENTIFIER

  /** keywords */
  final val ABSTRACT = 20
  final val ASSERT = 21
  final val BOOLEAN = 22
  final val BREAK = 23
  final val BYTE = 24
  final val CASE = 25
  final val CATCH = 26
  final val CHAR = 27
  final val CLASS = 28
  final val CONST = 29
  final val CONTINUE = 30 
  final val DEFAULT = 31
  final val DO = 32
  final val DOUBLE = 33
  final val ELSE = 34
  final val ENUM = 35
  final val EXTENDS = 36
  final val FINAL = 37
  final val FINALLY = 38
  final val FLOAT = 39
  final val FOR = 40
  final val IF = 41
  final val GOTO = 42
  final val IMPLEMENTS = 43
  final val IMPORT = 44
  final val INSTANCEOF = 45
  final val INT = 46
  final val INTERFACE = 47
  final val LONG = 48
  final val NATIVE = 49
  final val NEW = 50
  final val PACKAGE = 51
  final val PRIVATE = 52
  final val PROTECTED = 53
  final val PUBLIC = 54
  final val RETURN = 55
  final val SHORT = 56
  final val STATIC = 57
  final val STRICTFP = 58
  final val SUPER = 59
  final val SWITCH = 60
  final val SYNCHRONIZED = 61
  final val THIS = 62
  final val THROW = 63
  final val THROWS = 64
  final val TRANSIENT = 65
  final val TRY = 66
  final val VOID = 67
  final val VOLATILE = 68
  final val WHILE = 69

  def isKeyword(code : Int) =
    code >= ABSTRACT && code <= WHILE
  
  /** special symbols */
  final val COMMA = 70
  final val SEMI = 71
  final val DOT = 72
  final val AT = 73
  final val COLON = 74
  final val ASSIGN = 75
  final val EQEQ = 76
  final val BANGEQ = 77
  final val LT = 78
  final val GT = 79
  final val LTEQ = 80
  final val GTEQ = 81
  final val BANG = 82
  final val QMARK = 83
  final val AMP = 84
  final val BAR = 85
  final val PLUS = 86
  final val MINUS = 87
  final val ASTERISK = 88
  final val SLASH = 89
  final val PERCENT = 90
  final val HAT = 91
  final val LTLT = 92
  final val GTGT = 93
  final val GTGTGT = 94
  final val AMPAMP = 95
  final val BARBAR = 96
  final val PLUSPLUS = 97
  final val MINUSMINUS = 98
  final val TILDE = 99
  final val DOTDOTDOT = 100
  final val AMPEQ = 104
  final val BAREQ = 105
  final val PLUSEQ = 106
  final val MINUSEQ = 107
  final val ASTERISKEQ = 1010
  final val SLASHEQ = 109
  final val PERCENTEQ = 110
  final val HATEQ = 111
  final val LTLTEQ = 112
  final val GTGTEQ = 113
  final val GTGTGTEQ = 114

  def isSymbol(code : Int) =
    code >= COMMA && code <= GTGTGTEQ

  /** parenthesis */
  final val LPAREN = 115
  final val RPAREN = 116
  final val LBRACKET = 117
  final val RBRACKET = 118
  final val LBRACE = 119
  final val RBRACE = 120
}