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Diffstat (limited to 'src/compiler/scala/reflect/internal/ClassfileConstants.scala')
| -rw-r--r-- | src/compiler/scala/reflect/internal/ClassfileConstants.scala | 390 |
1 files changed, 0 insertions, 390 deletions
diff --git a/src/compiler/scala/reflect/internal/ClassfileConstants.scala b/src/compiler/scala/reflect/internal/ClassfileConstants.scala deleted file mode 100644 index 3346e9cccb..0000000000 --- a/src/compiler/scala/reflect/internal/ClassfileConstants.scala +++ /dev/null @@ -1,390 +0,0 @@ -/* NSC -- new Scala compiler - * Copyright 2005-2011 LAMP/EPFL - * @author Martin Odersky - */ - -package scala.reflect -package internal - -import annotation.switch - -object ClassfileConstants { - - final val JAVA_MAGIC = 0xCAFEBABE - final val JAVA_MAJOR_VERSION = 45 - final val JAVA_MINOR_VERSION = 3 - - /** (see http://java.sun.com/docs/books/jvms/second_edition/jvms-clarify.html) - * - * If the `ACC_INTERFACE` flag is set, the `ACC_ABSTRACT` flag must also - * be set (ch. 2.13.1). - * - * A class file cannot have both its `ACC_FINAL` and `ACC_ABSTRACT` flags - * set (ch. 2.8.2). - * - * A field may have at most one of its `ACC_PRIVATE`, `ACC_PROTECTED`, - * `ACC_PUBLIC` flags set (ch. 2.7.4). - * - * A field may not have both its `ACC_FINAL` and `ACC_VOLATILE` flags set - * (ch. 2.9.1). - * - * If a method has its `ACC_ABSTRACT` flag set it must not have any of its - * `ACC_FINAL`, `ACC_NATIVE`, `ACC_PRIVATE`, `ACC_STATIC`, `ACC_STRICT`, - * or `ACC_SYNCHRONIZED` flags set (ch. 2.13.3.2). - * - * All interface methods must have their `ACC_ABSTRACT` and - * `ACC_PUBLIC` flags set. - * - * Note for future reference: see this thread on ACC_SUPER and - * how its enforcement differs on the android vm. - * https://groups.google.com/forum/?hl=en#!topic/jvm-languages/jVhzvq8-ZIk - * - */ // Class Field Method - final val JAVA_ACC_PUBLIC = 0x0001 // X X X - final val JAVA_ACC_PRIVATE = 0x0002 // X X - final val JAVA_ACC_PROTECTED = 0x0004 // X X - final val JAVA_ACC_STATIC = 0x0008 // X X - final val JAVA_ACC_FINAL = 0x0010 // X X X - final val JAVA_ACC_SUPER = 0x0020 // X - final val JAVA_ACC_SYNCHRONIZED = 0x0020 // X - final val JAVA_ACC_VOLATILE = 0x0040 // X - final val JAVA_ACC_BRIDGE = 0x0040 // X - final val JAVA_ACC_TRANSIENT = 0x0080 // X - final val JAVA_ACC_VARARGS = 0x0080 // X - final val JAVA_ACC_NATIVE = 0x0100 // X - final val JAVA_ACC_INTERFACE = 0x0200 // X - final val JAVA_ACC_ABSTRACT = 0x0400 // X X - final val JAVA_ACC_STRICT = 0x0800 // X - final val JAVA_ACC_SYNTHETIC = 0x1000 // X X X - final val JAVA_ACC_ANNOTATION = 0x2000 // X - final val JAVA_ACC_ENUM = 0x4000 // X X - - // tags describing the type of a literal in the constant pool - 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 - - // tags describing the type of a literal in attribute values - final val BYTE_TAG = 'B' - final val CHAR_TAG = 'C' - final val DOUBLE_TAG = 'D' - final val FLOAT_TAG = 'F' - final val INT_TAG = 'I' - final val LONG_TAG = 'J' - final val SHORT_TAG = 'S' - final val BOOL_TAG = 'Z' - final val STRING_TAG = 's' - final val ENUM_TAG = 'e' - final val CLASS_TAG = 'c' - final val ARRAY_TAG = '[' - final val VOID_TAG = 'V' - final val TVAR_TAG = 'T' - final val OBJECT_TAG = 'L' - final val ANNOTATION_TAG = '@' - final val SCALA_NOTHING = "scala.runtime.Nothing$" - final val SCALA_NULL = "scala.runtime.Null$" - - - // tags describing the type of newarray - final val T_BOOLEAN = 4 - final val T_CHAR = 5 - final val T_FLOAT = 6 - final val T_DOUBLE = 7 - final val T_BYTE = 8 - final val T_SHORT = 9 - final val T_INT = 10 - final val T_LONG = 11 - - // JVM mnemonics - final val nop = 0x00 - final val aconst_null = 0x01 - final val iconst_m1 = 0x02 - - final val iconst_0 = 0x03 - final val iconst_1 = 0x04 - final val iconst_2 = 0x05 - final val iconst_3 = 0x06 - final val iconst_4 = 0x07 - final val iconst_5 = 0x08 - - final val lconst_0 = 0x09 - final val lconst_1 = 0x0a - final val fconst_0 = 0x0b - final val fconst_1 = 0x0c - final val fconst_2 = 0x0d - final val dconst_0 = 0x0e - final val dconst_1 = 0x0f - - final val bipush = 0x10 - final val sipush = 0x11 - final val ldc = 0x12 - final val ldc_w = 0x13 - final val ldc2_w = 0x14 - - final val iload = 0x15 - final val lload = 0x16 - final val fload = 0x17 - final val dload = 0x18 - final val aload = 0x19 - - final val iload_0 = 0x1a - final val iload_1 = 0x1b - final val iload_2 = 0x1c - final val iload_3 = 0x1d - final val lload_0 = 0x1e - final val lload_1 = 0x1f - final val lload_2 = 0x20 - final val lload_3 = 0x21 - final val fload_0 = 0x22 - final val fload_1 = 0x23 - final val fload_2 = 0x24 - final val fload_3 = 0x25 - final val dload_0 = 0x26 - final val dload_1 = 0x27 - final val dload_2 = 0x28 - final val dload_3 = 0x29 - final val aload_0 = 0x2a - final val aload_1 = 0x2b - final val aload_2 = 0x2c - final val aload_3 = 0x2d - final val iaload = 0x2e - final val laload = 0x2f - final val faload = 0x30 - final val daload = 0x31 - final val aaload = 0x32 - final val baload = 0x33 - final val caload = 0x34 - final val saload = 0x35 - - final val istore = 0x36 - final val lstore = 0x37 - final val fstore = 0x38 - final val dstore = 0x39 - final val astore = 0x3a - final val istore_0 = 0x3b - final val istore_1 = 0x3c - final val istore_2 = 0x3d - final val istore_3 = 0x3e - final val lstore_0 = 0x3f - final val lstore_1 = 0x40 - final val lstore_2 = 0x41 - final val lstore_3 = 0x42 - final val fstore_0 = 0x43 - final val fstore_1 = 0x44 - final val fstore_2 = 0x45 - final val fstore_3 = 0x46 - final val dstore_0 = 0x47 - final val dstore_1 = 0x48 - final val dstore_2 = 0x49 - final val dstore_3 = 0x4a - final val astore_0 = 0x4b - final val astore_1 = 0x4c - final val astore_2 = 0x4d - final val astore_3 = 0x4e - final val iastore = 0x4f - final val lastore = 0x50 - final val fastore = 0x51 - final val dastore = 0x52 - final val aastore = 0x53 - final val bastore = 0x54 - final val castore = 0x55 - final val sastore = 0x56 - - final val pop = 0x57 - final val pop2 = 0x58 - final val dup = 0x59 - final val dup_x1 = 0x5a - final val dup_x2 = 0x5b - final val dup2 = 0x5c - final val dup2_x1 = 0x5d - final val dup2_x2 = 0x5e - final val swap = 0x5f - - final val iadd = 0x60 - final val ladd = 0x61 - final val fadd = 0x62 - final val dadd = 0x63 - final val isub = 0x64 - final val lsub = 0x65 - final val fsub = 0x66 - final val dsub = 0x67 - final val imul = 0x68 - final val lmul = 0x69 - final val fmul = 0x6a - final val dmul = 0x6b - final val idiv = 0x6c - final val ldiv = 0x6d - final val fdiv = 0x6e - final val ddiv = 0x6f - final val irem = 0x70 - final val lrem = 0x71 - final val frem = 0x72 - final val drem = 0x73 - - final val ineg = 0x74 - final val lneg = 0x75 - final val fneg = 0x76 - final val dneg = 0x77 - - final val ishl = 0x78 - final val lshl = 0x79 - final val ishr = 0x7a - final val lshr = 0x7b - final val iushr = 0x7c - final val lushr = 0x7d - final val iand = 0x7e - final val land = 0x7f - final val ior = 0x80 - final val lor = 0x81 - final val ixor = 0x82 - final val lxor = 0x83 - final val iinc = 0x84 - - final val i2l = 0x85 - final val i2f = 0x86 - final val i2d = 0x87 - final val l2i = 0x88 - final val l2f = 0x89 - final val l2d = 0x8a - final val f2i = 0x8b - final val f2l = 0x8c - final val f2d = 0x8d - final val d2i = 0x8e - final val d2l = 0x8f - final val d2f = 0x90 - final val i2b = 0x91 - final val i2c = 0x92 - final val i2s = 0x93 - - final val lcmp = 0x94 - final val fcmpl = 0x95 - final val fcmpg = 0x96 - final val dcmpl = 0x97 - final val dcmpg = 0x98 - - final val ifeq = 0x99 - final val ifne = 0x9a - final val iflt = 0x9b - final val ifge = 0x9c - final val ifgt = 0x9d - final val ifle = 0x9e - final val if_icmpeq = 0x9f - final val if_icmpne = 0xa0 - final val if_icmplt = 0xa1 - final val if_icmpge = 0xa2 - final val if_icmpgt = 0xa3 - final val if_icmple = 0xa4 - final val if_acmpeq = 0xa5 - final val if_acmpne = 0xa6 - final val goto = 0xa7 - final val jsr = 0xa8 - final val ret = 0xa9 - final val tableswitch = 0xaa - final val lookupswitch = 0xab - final val ireturn = 0xac - final val lreturn = 0xad - final val freturn = 0xae - final val dreturn = 0xaf - final val areturn = 0xb0 - final val return_ = 0xb1 - - final val getstatic = 0xb2 - final val putstatic = 0xb3 - final val getfield = 0xb4 - final val putfield = 0xb5 - - final val invokevirtual = 0xb6 - final val invokespecial = 0xb7 - final val invokestatic = 0xb8 - final val invokeinterface = 0xb9 - final val xxxunusedxxxx = 0xba - - final val new_ = 0xbb - final val newarray = 0xbc - final val anewarray = 0xbd - final val arraylength = 0xbe - final val athrow = 0xbf - final val checkcast = 0xc0 - final val instanceof = 0xc1 - final val monitorenter = 0xc2 - final val monitorexit = 0xc3 - final val wide = 0xc4 - final val multianewarray = 0xc5 - final val ifnull = 0xc6 - final val ifnonnull = 0xc7 - final val goto_w = 0xc8 - final val jsr_w = 0xc9 - - // reserved opcodes - final val breakpoint = 0xca - final val impdep1 = 0xfe - final val impdep2 = 0xff - - abstract class FlagTranslation { - import Flags._ - - private var isAnnotation = false - private var isClass = false - private def initFields(flags: Int) = { - isAnnotation = (flags & JAVA_ACC_ANNOTATION) != 0 - isClass = false - } - private def translateFlag(jflag: Int): Long = (jflag: @switch) match { - case JAVA_ACC_PRIVATE => PRIVATE - case JAVA_ACC_PROTECTED => PROTECTED - case JAVA_ACC_FINAL => FINAL - case JAVA_ACC_SYNTHETIC => SYNTHETIC - case JAVA_ACC_STATIC => STATIC - case JAVA_ACC_ABSTRACT => if (isAnnotation) 0L else if (isClass) ABSTRACT else DEFERRED - case JAVA_ACC_INTERFACE => if (isAnnotation) 0L else TRAIT | INTERFACE | ABSTRACT - case _ => 0L - } - private def translateFlags(jflags: Int, baseFlags: Long): Long = { - var res: Long = JAVA | baseFlags - /** fast, elegant, maintainable, pick any two... */ - res |= translateFlag(jflags & JAVA_ACC_PRIVATE) - res |= translateFlag(jflags & JAVA_ACC_PROTECTED) - res |= translateFlag(jflags & JAVA_ACC_FINAL) - res |= translateFlag(jflags & JAVA_ACC_SYNTHETIC) - res |= translateFlag(jflags & JAVA_ACC_STATIC) - res |= translateFlag(jflags & JAVA_ACC_ABSTRACT) - res |= translateFlag(jflags & JAVA_ACC_INTERFACE) - res - } - - def classFlags(jflags: Int): Long = { - initFields(jflags) - isClass = true - translateFlags(jflags, 0) - } - def fieldFlags(jflags: Int): Long = { - initFields(jflags) - translateFlags(jflags, if ((jflags & JAVA_ACC_FINAL) == 0) MUTABLE else 0) - } - def methodFlags(jflags: Int): Long = { - initFields(jflags) - translateFlags(jflags, if ((jflags & JAVA_ACC_BRIDGE) != 0) BRIDGE else 0) - } - } - object FlagTranslation extends FlagTranslation { } - - def toScalaMethodFlags(flags: Int): Long = FlagTranslation methodFlags flags - def toScalaClassFlags(flags: Int): Long = FlagTranslation classFlags flags - def toScalaFieldFlags(flags: Int): Long = FlagTranslation fieldFlags flags - - @deprecated("Use another method in this object", "2.10.0") - def toScalaFlags(flags: Int, isClass: Boolean = false, isField: Boolean = false): Long = ( - if (isClass) toScalaClassFlags(flags) - else if (isField) toScalaFieldFlags(flags) - else toScalaMethodFlags(flags) - ) -} |