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/* NSC -- new Scala compiler
* Copyright 2005-2010 LAMP/EPFL
* @author Martin Odersky
*/
// $Id$
package scala.tools.nsc
package javac
object JavaTokens {
/** special tokens */
final val EMPTY = -3
final val UNDEF = -2
final val ERROR = -1
final val EOF = 0
/** literals */
final val CHARLIT = 1
final val INTLIT = 2
final val LONGLIT = 3
final val FLOATLIT = 4
final val DOUBLELIT = 5
final val STRINGLIT = 6
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
def isBrace(code : Int) =
code >= LPAREN && code <= RBRACE
def isOpenBrace(code : Int) = isBrace(code) && (code % 2 == 0)
def isCloseBrace(code : Int) = isBrace(code) && (code % 2 == 1)
def isSpace(at : Char) = at match {
case ' ' | '\t' => true
case _ => false
}
import util.Chars._
def isNewLine(at : Char) = at match {
case CR | LF | FF => true
case _ => false
}
}
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