Scala example source code file (Classfiles.scala)

This example Scala source code file (Classfiles.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

constant_class, constant_double, constant_fieldref, constant_float, constant_float, constant_integer, constant_long, constant_methodref, constant_methodref, constant_nameandtype, constant_string, constant_unicode, constant_unicode, constant_utf8

The Scala Classfiles.scala source code

/*     ___ ____ ___   __   ___   ___
**    / _// __// _ | / /  / _ | / _ \    Scala classfile decoder
**  __\ \/ /__/ __ |/ /__/ __ |/ ___/    (c) 2003-2011, LAMP/EPFL
** /____/\___/_/ |_/____/_/ |_/_/        http://scala-lang.org/
**
*/


package scala.tools.scalap


object Classfiles {
  final val JAVA_MAGIC = 0xCAFEBABE
  final val JAVA_MAJOR_VERSION = 45
  final val JAVA_MINOR_VERSION = 3

  final val CONSTANT_UTF8 = 1
  final val CONSTANT_UNICODE = 2
  final val CONSTANT_INTEGER = 3
  final val CONSTANT_FLOAT = 4
  final val CONSTANT_LONG = 5
  final val CONSTANT_DOUBLE = 6
  final val CONSTANT_CLASS = 7
  final val CONSTANT_STRING = 8
  final val CONSTANT_FIELDREF = 9
  final val CONSTANT_METHODREF = 10
  final val CONSTANT_INTFMETHODREF = 11
  final val CONSTANT_NAMEANDTYPE = 12
  
  final val constantTagToString = Map(
    CONSTANT_UTF8 -> "UTF8",
    CONSTANT_UNICODE -> "Unicode",
    CONSTANT_INTEGER -> "Int",
    CONSTANT_FLOAT -> "Float",
    CONSTANT_LONG -> "Long",
    CONSTANT_DOUBLE -> "Double",
    CONSTANT_CLASS -> "class",
    CONSTANT_STRING -> "Asciz",
    CONSTANT_FIELDREF -> "Field",
    CONSTANT_METHODREF -> "Method",
    CONSTANT_INTFMETHODREF -> "InterfaceMethod",
    CONSTANT_NAMEANDTYPE -> "NameAndType"
  )

  final val BAD_ATTR = 0x00000
  final val SOURCEFILE_ATTR = 0x00001
  final val SYNTHETIC_ATTR = 0x00002
  final val DEPRECATED_ATTR = 0x00004
  final val CODE_ATTR = 0x00008
  final val EXCEPTIONS_ATTR = 0x00010
  final val CONSTANT_VALUE_ATTR = 0x00020
  final val LINE_NUM_TABLE_ATTR = 0x00040
  final val LOCAL_VAR_TABLE_ATTR = 0x00080
  final val INNERCLASSES_ATTR = 0x08000
  final val META_ATTR = 0x10000
  final val SCALA_ATTR = 0x20000

  final val SOURCEFILE_N = "SourceFile"
  final val SYNTHETIC_N = "Synthetic"
  final val DEPRECATED_N = "Deprecated"
  final val CODE_N = "Code"
  final val EXCEPTIONS_N = "Exceptions"
  final val CONSTANT_VALUE_N = "ConstantValue"
  final val LINE_NUM_TABLE_N = "LineNumberTable"
  final val LOCAL_VAR_TABLE_N = "LocalVariableTable"
  final val INNERCLASSES_N = "InnerClasses"
  final val META_N = "JacoMeta"
  final val SCALA_N = "ScalaSignature"
  final val CONSTR_N = "<init>"
}