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/* sbt -- Simple Build Tool
* Copyright 2009 Mark Harrah
*/
package sbt
package classfile
import Constants._
import java.io.File
private[sbt] trait ClassFile
{
val majorVersion: Int
val minorVersion: Int
val fileName: String
val className: String
val superClassName: String
val interfaceNames: Array[String]
val accessFlags: Int
val constantPool: Array[Constant]
val fields: Array[FieldOrMethodInfo]
val methods: Array[FieldOrMethodInfo]
val attributes: Array[AttributeInfo]
val sourceFile: Option[String]
def types: Set[String]
def stringValue(a: AttributeInfo): String
}
private[sbt] final case class Constant(tag: Byte, nameIndex: Int, typeIndex: Int, value: Option[AnyRef]) extends NotNull
{
def this(tag: Byte, nameIndex: Int, typeIndex: Int) = this(tag, nameIndex, typeIndex, None)
def this(tag: Byte, nameIndex: Int) = this(tag, nameIndex, -1)
def this(tag: Byte, value: AnyRef) = this(tag, -1, -1, Some(value))
def wide = tag == ConstantLong || tag == ConstantDouble
}
private[sbt] final case class FieldOrMethodInfo(accessFlags: Int, name: Option[String], descriptor: Option[String], attributes: IndexedSeq[AttributeInfo]) extends NotNull
{
def isStatic = (accessFlags&ACC_STATIC)== ACC_STATIC
def isPublic = (accessFlags&ACC_PUBLIC)==ACC_PUBLIC
def isMain = isPublic && isStatic && descriptor.filter(_ == "([Ljava/lang/String;)V").isDefined
}
private[sbt] final case class AttributeInfo(name: Option[String], value: Array[Byte]) extends NotNull
{
def isNamed(s: String) = name.filter(s == _).isDefined
def isSignature = isNamed("Signature")
def isSourceFile = isNamed("SourceFile")
}
private[sbt] object Constants
{
final val ACC_STATIC = 0x0008
final val ACC_PUBLIC = 0x0001
final val JavaMagic = 0xCAFEBABE
final val ConstantUTF8 = 1
final val ConstantUnicode = 2
final val ConstantInteger = 3
final val ConstantFloat = 4
final val ConstantLong = 5
final val ConstantDouble = 6
final val ConstantClass = 7
final val ConstantString = 8
final val ConstantField = 9
final val ConstantMethod = 10
final val ConstantInterfaceMethod = 11
final val ConstantNameAndType = 12
final val ClassDescriptor = 'L'
}
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