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/* NSC -- new Scala compiler
* Copyright 2005-2009 LAMP/EPFL
* @author Martin Odersky
*/
// $Id$
package scala.tools.nsc.symtab.classfile
/** This object provides constants for pickling attributes.
*
* If you extend the format, be sure to increase the
* version minor number.
*
* @author Martin Odersky
* @version 1.0
*/
object PickleFormat {
/***************************************************
* Symbol table attribute format:
* Symtab = nentries_Nat {Entry}
* Entry = 1 TERMNAME len_Nat NameInfo
* | 2 TYPENAME len_Nat NameInfo
* | 3 NONEsym len_Nat
* | 4 TYPEsym len_Nat SymbolInfo
* | 5 ALIASsym len_Nat SymbolInfo
* | 6 CLASSsym len_Nat SymbolInfo [thistype_Ref]
* | 7 MODULEsym len_Nat SymbolInfo
* | 8 VALsym len_Nat SymbolInfo [alias_Ref]
* | 9 EXTref len_Nat name_Ref [owner_Ref]
* | 10 EXTMODCLASSref len_Nat name_Ref [owner_Ref]
* | 11 NOtpe len_Nat
* | 12 NOPREFIXtpe len_Nat
* | 13 THIStpe len_Nat sym_Ref
* | 14 SINGLEtpe len_Nat type_Ref sym_Ref
* | 15 CONSTANTtpe len_Nat type_Ref constant_Ref
* | 16 TYPEREFtpe len_Nat type_Ref sym_Ref {targ_Ref}
* | 17 TYPEBOUNDStpe len_Nat tpe_Ref tpe_Ref
* | 18 REFINEDtpe len_Nat classsym_Ref {tpe_Ref}
* | 19 CLASSINFOtpe len_Nat classsym_Ref {tpe_Ref}
* | 20 METHODtpe len_Nat tpe_Ref {tpe_Ref}
* | 21 POLYTtpe len_Nat tpe_Ref {sym_Ref}
* | 22 IMPLICITMETHODtpe len_Nat tpe_Ref {tpe_Ref}
* | 24 LITERALunit len_Nat
* | 25 LITERALboolean len_Nat value_Long
* | 26 LITERALbyte len_Nat value_Long
* | 27 LITERALshort len_Nat value_Long
* | 28 LITERALchar len_Nat value_Long
* | 29 LITERALint len_Nat value_Long
* | 30 LITERALlong len_Nat value_Long
* | 31 LITERALfloat len_Nat value_Long
* | 32 LITERALdouble len_Nat value_Long
* | 33 LITERALstring len_Nat name_Ref
* | 34 LITERALnull len_Nat
* | 35 LITERALclass len_Nat type_Ref
* | 40 ATTRIBUTE len_Nat sym_Ref info_Ref {constant_Ref} {nameRef constantRef}
* | 41 CHILDREN len_Nat sym_Ref {sym_Ref}
* | 42 ANNOTATEDtpe len_Nat tpe_Ref {attribtree_Ref}
* | 51 ANNOTATEDWSELFtpe len_Nat tpe_Ref sym_Ref {attribtree_Ref}
* | 43 ANNOTINFO attarg_Ref len_Nat attarg_Ref {constant_Ref attarg_Ref}
* | 47 DEBRUIJNINDEXtpe len_Nat level_Nat index_Nat
* | 48 EXISTENTIALtpe len_Nat type_Ref {symbol_Ref}
* | 49 TREE len_Nat 1 EMPTYtree
* | 49 TREE len_Nat 2 PACKAGEtree type_Ref sym_Ref mods_Ref name_Ref {tree_Ref}
* | 49 TREE len_Nat 3 CLASStree type_Ref sym_Ref mods_Ref name_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 4 MODULEtree type_Ref sym_Ref mods_Ref name_Ref tree_Ref
* | 49 TREE len_Nat 5 VALDEFtree type_Ref sym_Ref mods_Ref name_Ref tree_Ref tree_Ref
* | 49 TREE len_Nat 6 DEFDEFtree type_Ref sym_Ref mods_Ref name_Ref numtparams_Nat {tree_Ref} numparamss_Nat {numparams_Nat {tree_Ref}} tree_Ref tree_Ref
* | 49 TREE len_Nat 7 TYPEDEFtree type_Ref sym_Ref mods_Ref name_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 8 LABELtree type_Ref sym_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 9 IMPORTtree type_Ref sym_Ref tree_Ref {name_Ref name_Ref}
* | 49 TREE len_Nat 10 ANNOTATIONtree type_Ref sym_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 11 DOCDEFtree type_Ref sym_Ref string_Ref tree_Ref
* | 49 TREE len_Nat 12 TEMPLATEtree type_Ref sym_Ref numparents_Nat {tree_Ref} tree_Ref {tree_Ref}
* | 49 TREE len_Nat 13 BLOCKtree type_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 14 CASEtree type_Ref tree_Ref tree_Ref tree_Ref
* | 49 TREE len_Nat 15 SEQUENCEtree type_Ref {tree_Ref}
* | 49 TREE len_Nat 16 ALTERNATIVEtree type_Ref {tree_Ref}
* | 49 TREE len_Nat 17 STARtree type_Ref {tree_Ref}
* | 49 TREE len_Nat 18 BINDtree type_Ref sym_Ref name_Ref tree_Ref
* | 49 TREE len_Nat 19 UNAPPLYtree type_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 20 ARRAYVALUEtree type_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 21 FUNCTIONtree type_Ref sym_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 22 ASSIGNtree type_Ref tree_Ref tree_Ref
* | 49 TREE len_Nat 23 IFtree type_Ref tree_Ref tree_Ref tree_Ref
* | 49 TREE len_Nat 24 MATCHtree type_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 25 RETURNtree type_Ref sym_Ref tree_Ref
* | 49 TREE len_Nat 26 TREtree type_Ref tree_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 27 THROWtree type_Ref tree_Ref
* | 49 TREE len_Nat 28 NEWtree type_Ref tree_Ref
* | 49 TREE len_Nat 29 TYPEDtree type_Ref tree_Ref tree_Ref
* | 49 TREE len_Nat 30 TYPEAPPLYtree type_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 31 APPLYtree type_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 32 APPLYDYNAMICtree type_Ref sym_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 33 SUPERtree type_Ref sym_Ref tree_Ref name_Ref
* | 49 TREE len_Nat 34 THIStree type_Ref sym_Ref name_Ref
* | 49 TREE len_Nat 35 SELECTtree type_Ref sym_Ref tree_Ref name_Ref
* | 49 TREE len_Nat 36 IDENTtree type_Ref sym_Ref name_Ref
* | 49 TREE len_Nat 37 LITERALtree type_Ref constant_Ref
* | 49 TREE len_Nat 38 TYPEtree type_Ref
* | 49 TREE len_Nat 39 ANNOTATEDtree type_Ref tree_Ref tree_Ref
* | 49 TREE len_Nat 40 SINGLETONTYPEtree type_Ref tree_Ref
* | 49 TREE len_Nat 41 SELECTFROMTYPEtree type_Ref tree_Ref name_Ref
* | 49 TREE len_Nat 42 COMPOUNDTYPEtree type_Ref tree_Ref
* | 49 TREE len_Nat 43 APPLIEDTYPEtree type_Ref tree_Ref {tree_Ref}
* | 49 TREE len_Nat 44 TYPEBOUNDStree type_Ref tree_Ref tree_Ref
* | 49 TREE len_Nat 45 EXISTENTIALTYPEtree type_Ref tree_Ref {tree_Ref}
* | 50 MODIFIERS len_Nat flags_Long privateWithin_Ref {Annotation_Ref}
* | 68 PosTYPEsym len_Nat pos_Nat SymbolInfo
* | 69 PosALIASsym len_Nat pos_Nat SymbolInfo
* | 70 PosCLASSsym len_Nat pos_Nat SymbolInfo [thistype_Ref]
* | 71 PosMODULEsym len_Nat pos_Nat SymbolInfo
* | 72 PosVALsym len_Nat pos_Nat SymbolInfo [alias_Ref]
* SymbolInfo = name_Ref owner_Ref flags_Nat [privateWithin_Ref] info_Ref
* NameInfo = <character sequence of length len_Nat in Utf8 format>
* NumInfo = <len_Nat-byte signed number in big endian format>
* Ref = Nat
* Attarg = Refltree | Constant
*
* len is remaining length after `len'.
*/
val MajorVersion = 4
val MinorVersion = 1
final val TERMname = 1
final val TYPEname = 2
final val NONEsym = 3
final val TYPEsym = 4
final val ALIASsym = 5
final val CLASSsym = 6
final val MODULEsym = 7
final val VALsym = 8
final val EXTref = 9
final val EXTMODCLASSref = 10
final val NOtpe = 11
final val NOPREFIXtpe = 12
final val THIStpe = 13
final val SINGLEtpe = 14
final val CONSTANTtpe = 15
final val TYPEREFtpe = 16
final val TYPEBOUNDStpe = 17
final val REFINEDtpe = 18
final val CLASSINFOtpe = 19
final val METHODtpe = 20
final val POLYtpe = 21
final val IMPLICITMETHODtpe = 22
final val LITERAL = 23 // base line for literals
final val LITERALunit = 24
final val LITERALboolean = 25
final val LITERALbyte = 26
final val LITERALshort = 27
final val LITERALchar = 28
final val LITERALint = 29
final val LITERALlong = 30
final val LITERALfloat = 31
final val LITERALdouble = 32
final val LITERALstring = 33
final val LITERALnull = 34
final val LITERALclass = 35
final val ATTRIBUTE = 40 // an attribute with constants
final val CHILDREN = 41
final val ANNOTATEDtpe = 42
final val ANNOTINFO = 43 // an annotation with trees
final val REFLTREE = 44 // prefix saying that a reflect tree is coming
// support dropped in September of 2007
final val REFLTYPE = 45 // prefix code that means a reflect type is coming
// support dropped in September of 2007
final val REFLSYM = 46 // prefix code that means a reflect symbol is coming
// support dropped in September of 2007
final val DEBRUIJNINDEXtpe = 47
final val EXISTENTIALtpe = 48
final val TREE = 49 // prefix code that means a tree is coming
final val EMPTYtree = 1
final val PACKAGEtree = 2
final val CLASStree = 3
final val MODULEtree = 4
final val VALDEFtree = 5
final val DEFDEFtree = 6
final val TYPEDEFtree = 7
final val LABELtree = 8
final val IMPORTtree = 9
final val ANNOTATIONtree = 10
final val DOCDEFtree = 11
final val TEMPLATEtree = 12
final val BLOCKtree = 13
final val CASEtree = 14
final val SEQUENCEtree = 15
final val ALTERNATIVEtree = 16
final val STARtree = 17
final val BINDtree = 18
final val UNAPPLYtree = 19
final val ARRAYVALUEtree = 20
final val FUNCTIONtree = 21
final val ASSIGNtree = 22
final val IFtree = 23
final val MATCHtree = 24
final val RETURNtree = 25
final val TREtree = 26
final val THROWtree = 27
final val NEWtree = 28
final val TYPEDtree = 29
final val TYPEAPPLYtree = 30
final val APPLYtree = 31
final val APPLYDYNAMICtree = 32
final val SUPERtree = 33
final val THIStree = 34
final val SELECTtree = 35
final val IDENTtree = 36
final val LITERALtree = 37
final val TYPEtree = 38
final val ANNOTATEDtree = 39
final val SINGLETONTYPEtree = 40
final val SELECTFROMTYPEtree = 41
final val COMPOUNDTYPEtree = 42
final val APPLIEDTYPEtree = 43
final val TYPEBOUNDStree = 44
final val EXISTENTIALTYPEtree = 45
final val MODIFIERS = 50
final val ANNOTATEDWSELFtpe = 51 // annotated type with selfsym
final val firstSymTag = NONEsym
final val lastSymTag = VALsym
final val lastExtSymTag = EXTMODCLASSref
//The following two are no longer accurate, because ATTRIBUTEDtpe
//is not in the same range as the other types
//final val firstTypeTag = NOtpe
//final val lastTypeTag = POLYtpe
final val PosOffset = 64
final val PosTYPEsym = PosOffset + TYPEsym
final val PosALIASsym = PosOffset + ALIASsym
final val PosCLASSsym = PosOffset + CLASSsym
final val PosMODULEsym = PosOffset + MODULEsym
final val PosVALsym = PosOffset + VALsym
}
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