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abcfile.d
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/*
* Copyright 2010, 2011, 2012, 2013, 2014, 2021 Vladimir Panteleev <vladimir@thecybershadow.net>
* This file is part of RABCDAsm.
*
* RABCDAsm is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RABCDAsm is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RABCDAsm. If not, see <http://www.gnu.org/licenses/>.
*/
module abcfile;
import std.string : format; // exception formatting
import std.conv;
import std.exception;
/**
* Implements a shallow representation of an .abc file.
* Loading and saving an .abc file using this class should produce
* output identical to the input.
*/
class ABCFile
{
ushort minorVersion, majorVersion;
long[] ints;
ulong[] uints;
double[] doubles;
string[] strings;
Namespace[] namespaces;
uint[][] namespaceSets;
Multiname[] multinames;
MethodInfo[] methods;
Metadata[] metadata;
Instance[] instances;
Class[] classes;
Script[] scripts;
MethodBody[] bodies;
enum long NULL_INT = long.max;
enum ulong NULL_UINT = ulong.max;
enum double NULL_DOUBLE = double.init; // NaN
enum ulong MAX_UINT = (1L << 36) - 1;
enum long MAX_INT = MAX_UINT / 2;
enum long MIN_INT = -MAX_INT - 1;
this()
{
majorVersion = 46;
minorVersion = 16;
ints.length = 1;
ints[0] = NULL_INT;
uints.length = 1;
uints[0] = NULL_UINT;
doubles.length = 1;
doubles[0] = NULL_DOUBLE;
strings.length = 1;
namespaces.length = 1;
namespaceSets.length = 1;
multinames.length = 1;
}
struct Namespace
{
ASType kind;
uint name;
}
struct Multiname
{
ASType kind;
union
{
struct _QName
{
uint ns, name;
} _QName QName;
struct _RTQName
{
uint name;
} _RTQName RTQName;
struct _RTQNameL
{
} _RTQNameL RTQNameL;
struct _Multiname
{
uint name, nsSet;
} _Multiname Multiname;
struct _MultinameL
{
uint nsSet;
} _MultinameL MultinameL;
struct _TypeName
{
uint name;
uint[] params;
} _TypeName TypeName;
}
}
struct MethodInfo
{
uint[] paramTypes;
uint returnType;
uint name;
ubyte flags; // MethodFlags bitmask
OptionDetail[] options;
uint[] paramNames;
}
struct OptionDetail
{
uint val;
ASType kind;
}
struct Metadata
{
uint name;
uint[] keys, values;
}
struct Instance
{
uint name;
uint superName;
ubyte flags; // InstanceFlags bitmask
uint protectedNs;
uint[] interfaces;
uint iinit;
TraitsInfo[] traits;
}
struct TraitsInfo
{
uint name;
ubyte kindAttr;
union
{
struct _Slot
{
uint slotId;
uint typeName;
uint vindex;
ASType vkind;
} _Slot Slot;
struct _Class
{
uint slotId;
uint classi;
} _Class Class;
struct _Function
{
uint slotId;
uint functioni;
} _Function Function;
struct _Method
{
uint dispId;
uint method;
} _Method Method;
}
uint[] metadata;
@property TraitKind kind() { return cast(TraitKind)(kindAttr&0xF); }
@property void kind(TraitKind value) { kindAttr = (kindAttr&0xF0) | value; }
// TraitAttributes bitmask
@property ubyte attr() { return cast(ubyte)(kindAttr >> 4); }
@property void attr(ubyte value) { kindAttr = cast(ubyte)((kindAttr&0xF) | (value<<4)); }
}
struct Class
{
uint cinit;
TraitsInfo[] traits;
}
struct Script
{
uint sinit;
TraitsInfo[] traits;
}
struct MethodBody
{
uint method;
uint maxStack;
uint localCount;
uint initScopeDepth;
uint maxScopeDepth;
Instruction[] instructions;
ExceptionInfo[] exceptions;
TraitsInfo[] traits;
Error[] errors;
}
/// Destination for a jump or exception block boundary
struct Label
{
union
{
struct
{
uint index = uint.max; /// instruction index
int offset = int.max; /// signed offset relative to said instruction
}
private ptrdiff_t absoluteOffset; /// internal temporary value used during reading and writing
}
}
/// Disassembly/decoding error
struct Error
{
Label loc;
string msg;
}
struct Instruction
{
Opcode opcode;
union Argument
{
byte bytev;
ubyte ubytev;
long intv;
ulong uintv;
uint index;
Label jumpTarget;
Label[] switchTargets;
}
Argument[] arguments;
}
struct ExceptionInfo
{
Label from, to, target;
uint excType;
uint varName;
}
static ABCFile read(ubyte[] data)
{
return (new ABCReader(data)).abc;
}
ubyte[] write()
{
return (new ABCWriter(this)).buf;
}
}
enum ASType : ubyte
{
Undefined = 0x00,
Void = Undefined, // not actually interned
Utf8 = 0x01,
Decimal = 0x02,
Integer = 0x03,
UInteger = 0x04,
PrivateNamespace = 0x05,
Double = 0x06,
QName = 0x07, // ns::name, const ns, const name
Namespace = 0x08,
Multiname = 0x09, //[ns...]::name, const [ns...], const name
False = 0x0A,
True = 0x0B,
Null = 0x0C,
QNameA = 0x0D, // @ns::name, const ns, const name
MultinameA = 0x0E,// @[ns...]::name, const [ns...], const name
RTQName = 0x0F, // ns::name, var ns, const name
RTQNameA = 0x10, // @ns::name, var ns, const name
RTQNameL = 0x11, // ns::[name], var ns, var name
RTQNameLA = 0x12, // @ns::[name], var ns, var name
Namespace_Set = 0x15, // a set of namespaces - used by multiname
PackageNamespace = 0x16, // a namespace that was derived from a package
PackageInternalNs = 0x17, // a namespace that had no uri
ProtectedNamespace = 0x18,
ExplicitNamespace = 0x19,
StaticProtectedNs = 0x1A,
MultinameL = 0x1B,
MultinameLA = 0x1C,
TypeName = 0x1D,
Max
}
string[ASType.Max] ASTypeNames = [
"Undefined",
"Utf8",
"Decimal",
"Integer",
"UInteger",
"PrivateNamespace",
"Double",
"QName",
"Namespace",
"Multiname",
"False",
"True",
"Null",
"QNameA",
"MultinameA",
"RTQName",
"RTQNameA",
"RTQNameL",
"RTQNameLA",
"???",
"???",
"Namespace_Set",
"PackageNamespace",
"PackageInternalNs",
"ProtectedNamespace",
"ExplicitNamespace",
"StaticProtectedNs",
"MultinameL",
"MultinameLA",
"TypeName",
];
ASType[string] ASTypeByName;
static this()
{
foreach (t, n; ASTypeNames)
ASTypeByName[n] = cast(ASType)t;
ASTypeByName["Void"] = ASType.Void;
ASTypeByName = ASTypeByName.rehash;
}
/* These enumerations are as they are documented in the AVM bytecode specification.
They are actually a single enumeration (see above), but in some contexts only certain values are valid.
enum NamespaceKind : ubyte
{
Namespace = 0x08,
PackageNamespace = 0x16,
PackageInternalNs = 0x17,
ProtectedNamespace = 0x18,
ExplicitNamespace = 0x19,
StaticProtectedNs = 0x1A,
PrivateNs = 0x05
}
enum MultinameKind : ubyte
{
QName = 0x07,
QNameA = 0x0D,
RTQName = 0x0F,
RTQNameA = 0x10,
RTQNameL = 0x11,
RTQNameLA = 0x12,
Multiname = 0x09,
MultinameA = 0x0E,
MultinameL = 0x1B,
MultinameLA = 0x1C
}
enum ConstantKind : ubyte
{
Int = 0x03, // integer
UInt = 0x04, // uinteger
Double = 0x06, // double
Utf8 = 0x01, // string
True = 0x0B, // -
False = 0x0A, // -
Null = 0x0C, // -
Undefined = 0x00, // -
Namespace = 0x08, // namespace
PackageNamespace = 0x16, // namespace
PackageInternalNs = 0x17, // Namespace
ProtectedNamespace = 0x18, // Namespace
ExplicitNamespace = 0x19, // Namespace
StaticProtectedNs = 0x1A, // Namespace
PrivateNs = 0x05, // namespace
}
*/
enum MethodFlags : ubyte
{
NEED_ARGUMENTS = 0x01, // Suggests to the run-time that an "arguments" object (as specified by the ActionScript 3.0 Language Reference) be created. Must not be used together with NEED_REST. See Chapter 3.
NEED_ACTIVATION = 0x02, // Must be set if this method uses the newactivation opcode.
NEED_REST = 0x04, // This flag creates an ActionScript 3.0 rest arguments array. Must not be used with NEED_ARGUMENTS. See Chapter 3.
HAS_OPTIONAL = 0x08, // Must be set if this method has optional parameters and the options field is present in this method_info structure.
SET_DXNS = 0x40, // Must be set if this method uses the dxns or dxnslate opcodes.
HAS_PARAM_NAMES = 0x80, // Must be set when the param_names field is present in this method_info structure.
}
const string[8] MethodFlagNames = ["NEED_ARGUMENTS", "NEED_ACTIVATION", "NEED_REST", "HAS_OPTIONAL", "0x10", "0x20", "SET_DXNS", "HAS_PARAM_NAMES"];
enum InstanceFlags : ubyte
{
Sealed = 0x01, // The class is sealed: properties can not be dynamically added to instances of the class.
Final = 0x02, // The class is final: it cannot be a base class for any other class.
Interface = 0x04, // The class is an interface.
ProtectedNs = 0x08, // The class uses its protected namespace and the protectedNs field is present in the interface_info structure.
}
const string[8] InstanceFlagNames = ["SEALED", "FINAL", "INTERFACE", "PROTECTEDNS", "0x10", "0x20", "0x40", "0x80"];
enum TraitKind : ubyte
{
Slot = 0,
Method = 1,
Getter = 2,
Setter = 3,
Class = 4,
Function = 5,
Const = 6,
}
const string[] TraitKindNames = ["slot", "method", "getter", "setter", "class", "function", "const"];
TraitKind[string] TraitKindByName;
static this()
{
foreach (t, n; TraitKindNames)
TraitKindByName[n] = cast(TraitKind)t;
TraitKindByName = TraitKindByName.rehash;
}
enum TraitAttributes : ubyte
{
Final = 1,
Override = 2,
Metadata = 4
}
const string[4] TraitAttributeNames = ["FINAL", "OVERRIDE", "METADATA", "0x08"];
enum Opcode : ubyte
{
OP_raw = 0x00, /// Used internally by RABCDAsm
OP_bkpt = 0x01,
OP_nop = 0x02,
OP_throw = 0x03,
OP_getsuper = 0x04,
OP_setsuper = 0x05,
OP_dxns = 0x06,
OP_dxnslate = 0x07,
OP_kill = 0x08,
OP_label = 0x09,
OP_ifnlt = 0x0C,
OP_ifnle = 0x0D,
OP_ifngt = 0x0E,
OP_ifnge = 0x0F,
OP_jump = 0x10,
OP_iftrue = 0x11,
OP_iffalse = 0x12,
OP_ifeq = 0x13,
OP_ifne = 0x14,
OP_iflt = 0x15,
OP_ifle = 0x16,
OP_ifgt = 0x17,
OP_ifge = 0x18,
OP_ifstricteq = 0x19,
OP_ifstrictne = 0x1A,
OP_lookupswitch = 0x1B,
OP_pushwith = 0x1C,
OP_popscope = 0x1D,
OP_nextname = 0x1E,
OP_hasnext = 0x1F,
OP_pushnull = 0x20,
OP_pushundefined = 0x21,
OP_pushuninitialized = 0x22,
OP_nextvalue = 0x23,
OP_pushbyte = 0x24,
OP_pushshort = 0x25,
OP_pushtrue = 0x26,
OP_pushfalse = 0x27,
OP_pushnan = 0x28,
OP_pop = 0x29,
OP_dup = 0x2A,
OP_swap = 0x2B,
OP_pushstring = 0x2C,
OP_pushint = 0x2D,
OP_pushuint = 0x2E,
OP_pushdouble = 0x2F,
OP_pushscope = 0x30,
OP_pushnamespace = 0x31,
OP_hasnext2 = 0x32,
OP_pushdecimal = 0x33,
OP_pushdnan = 0x34,
OP_li8 = 0x35,
OP_li16 = 0x36,
OP_li32 = 0x37,
OP_lf32 = 0x38,
OP_lf64 = 0x39,
OP_si8 = 0x3A,
OP_si16 = 0x3B,
OP_si32 = 0x3C,
OP_sf32 = 0x3D,
OP_sf64 = 0x3E,
OP_newfunction = 0x40,
OP_call = 0x41,
OP_construct = 0x42,
OP_callmethod = 0x43,
OP_callstatic = 0x44,
OP_callsuper = 0x45,
OP_callproperty = 0x46,
OP_returnvoid = 0x47,
OP_returnvalue = 0x48,
OP_constructsuper = 0x49,
OP_constructprop = 0x4A,
OP_callsuperid = 0x4B,
OP_callproplex = 0x4C,
OP_callinterface = 0x4D,
OP_callsupervoid = 0x4E,
OP_callpropvoid = 0x4F,
OP_sxi1 = 0x50,
OP_sxi8 = 0x51,
OP_sxi16 = 0x52,
OP_applytype = 0x53,
OP_newobject = 0x55,
OP_newarray = 0x56,
OP_newactivation = 0x57,
OP_newclass = 0x58,
OP_getdescendants = 0x59,
OP_newcatch = 0x5A,
OP_deldescendants = 0x5B,
OP_findpropstrict = 0x5D,
OP_findproperty = 0x5E,
OP_finddef = 0x5F,
OP_getlex = 0x60,
OP_setproperty = 0x61,
OP_getlocal = 0x62,
OP_setlocal = 0x63,
OP_getglobalscope = 0x64,
OP_getscopeobject = 0x65,
OP_getproperty = 0x66,
OP_getouterscope = 0x67,
OP_initproperty = 0x68,
OP_setpropertylate = 0x69,
OP_deleteproperty = 0x6A,
OP_deletepropertylate = 0x6B,
OP_getslot = 0x6C,
OP_setslot = 0x6D,
OP_getglobalslot = 0x6E,
OP_setglobalslot = 0x6F,
OP_convert_s = 0x70,
OP_esc_xelem = 0x71,
OP_esc_xattr = 0x72,
OP_convert_i = 0x73,
OP_convert_u = 0x74,
OP_convert_d = 0x75,
OP_convert_b = 0x76,
OP_convert_o = 0x77,
OP_checkfilter = 0x78,
OP_convert_m = 0x79,
OP_convert_m_p = 0x7A,
OP_coerce = 0x80,
OP_coerce_b = 0x81,
OP_coerce_a = 0x82,
OP_coerce_i = 0x83,
OP_coerce_d = 0x84,
OP_coerce_s = 0x85,
OP_astype = 0x86,
OP_astypelate = 0x87,
OP_coerce_u = 0x88,
OP_coerce_o = 0x89,
OP_negate_p = 0x8F,
OP_negate = 0x90,
OP_increment = 0x91,
OP_inclocal = 0x92,
OP_decrement = 0x93,
OP_declocal = 0x94,
OP_typeof = 0x95,
OP_not = 0x96,
OP_bitnot = 0x97,
OP_concat = 0x9A,
OP_add_d = 0x9B,
OP_increment_p = 0x9C,
OP_inclocal_p = 0x9D,
OP_decrement_p = 0x9E,
OP_declocal_p = 0x9F,
OP_add = 0xA0,
OP_subtract = 0xA1,
OP_multiply = 0xA2,
OP_divide = 0xA3,
OP_modulo = 0xA4,
OP_lshift = 0xA5,
OP_rshift = 0xA6,
OP_urshift = 0xA7,
OP_bitand = 0xA8,
OP_bitor = 0xA9,
OP_bitxor = 0xAA,
OP_equals = 0xAB,
OP_strictequals = 0xAC,
OP_lessthan = 0xAD,
OP_lessequals = 0xAE,
OP_greaterthan = 0xAF,
OP_greaterequals = 0xB0,
OP_instanceof = 0xB1,
OP_istype = 0xB2,
OP_istypelate = 0xB3,
OP_in = 0xB4,
OP_add_p = 0xB5,
OP_subtract_p = 0xB6,
OP_multiply_p = 0xB7,
OP_divide_p = 0xB8,
OP_modulo_p = 0xB9,
OP_increment_i = 0xC0,
OP_decrement_i = 0xC1,
OP_inclocal_i = 0xC2,
OP_declocal_i = 0xC3,
OP_negate_i = 0xC4,
OP_add_i = 0xC5,
OP_subtract_i = 0xC6,
OP_multiply_i = 0xC7,
OP_getlocal0 = 0xD0,
OP_getlocal1 = 0xD1,
OP_getlocal2 = 0xD2,
OP_getlocal3 = 0xD3,
OP_setlocal0 = 0xD4,
OP_setlocal1 = 0xD5,
OP_setlocal2 = 0xD6,
OP_setlocal3 = 0xD7,
OP_debug = 0xEF,
OP_debugline = 0xF0,
OP_debugfile = 0xF1,
OP_bkptline = 0xF2,
OP_timestamp = 0xF3,
}
enum OpcodeArgumentType
{
Unknown,
ByteLiteral,
UByteLiteral,
IntLiteral,
UIntLiteral,
Int,
UInt,
Double,
String,
Namespace,
Multiname,
Class,
Method,
JumpTarget,
SwitchDefaultTarget,
SwitchTargets,
}
struct OpcodeInfo
{
string name;
OpcodeArgumentType[] argumentTypes;
}
const OpcodeInfo[256] opcodeInfo = [
/* 0x00 */ {"db", [OpcodeArgumentType.UByteLiteral]},
/* 0x01 */ {"bkpt", [OpcodeArgumentType.Unknown]},
/* 0x02 */ {"nop", []},
/* 0x03 */ {"throw", []},
/* 0x04 */ {"getsuper", [OpcodeArgumentType.Multiname]},
/* 0x05 */ {"setsuper", [OpcodeArgumentType.Multiname]},
/* 0x06 */ {"dxns", [OpcodeArgumentType.String]},
/* 0x07 */ {"dxnslate", []},
/* 0x08 */ {"kill", [OpcodeArgumentType.UIntLiteral]},
/* 0x09 */ {"label", []},
/* 0x0A */ {"0x0A", [OpcodeArgumentType.Unknown]},
/* 0x0B */ {"0x0B", [OpcodeArgumentType.Unknown]},
/* 0x0C */ {"ifnlt", [OpcodeArgumentType.JumpTarget]},
/* 0x0D */ {"ifnle", [OpcodeArgumentType.JumpTarget]},
/* 0x0E */ {"ifngt", [OpcodeArgumentType.JumpTarget]},
/* 0x0F */ {"ifnge", [OpcodeArgumentType.JumpTarget]},
/* 0x10 */ {"jump", [OpcodeArgumentType.JumpTarget]},
/* 0x11 */ {"iftrue", [OpcodeArgumentType.JumpTarget]},
/* 0x12 */ {"iffalse", [OpcodeArgumentType.JumpTarget]},
/* 0x13 */ {"ifeq", [OpcodeArgumentType.JumpTarget]},
/* 0x14 */ {"ifne", [OpcodeArgumentType.JumpTarget]},
/* 0x15 */ {"iflt", [OpcodeArgumentType.JumpTarget]},
/* 0x16 */ {"ifle", [OpcodeArgumentType.JumpTarget]},
/* 0x17 */ {"ifgt", [OpcodeArgumentType.JumpTarget]},
/* 0x18 */ {"ifge", [OpcodeArgumentType.JumpTarget]},
/* 0x19 */ {"ifstricteq", [OpcodeArgumentType.JumpTarget]},
/* 0x1A */ {"ifstrictne", [OpcodeArgumentType.JumpTarget]},
/* 0x1B */ {"lookupswitch", [OpcodeArgumentType.SwitchDefaultTarget, OpcodeArgumentType.SwitchTargets]},
/* 0x1C */ {"pushwith", []},
/* 0x1D */ {"popscope", []},
/* 0x1E */ {"nextname", []},
/* 0x1F */ {"hasnext", []},
/* 0x20 */ {"pushnull", []},
/* 0x21 */ {"pushundefined", []},
/* 0x22 */ {"pushuninitialized", [OpcodeArgumentType.Unknown]},
/* 0x23 */ {"nextvalue", []},
/* 0x24 */ {"pushbyte", [OpcodeArgumentType.ByteLiteral]},
/* 0x25 */ {"pushshort", [OpcodeArgumentType.IntLiteral]},
/* 0x26 */ {"pushtrue", []},
/* 0x27 */ {"pushfalse", []},
/* 0x28 */ {"pushnan", []},
/* 0x29 */ {"pop", []},
/* 0x2A */ {"dup", []},
/* 0x2B */ {"swap", []},
/* 0x2C */ {"pushstring", [OpcodeArgumentType.String]},
/* 0x2D */ {"pushint", [OpcodeArgumentType.Int]},
/* 0x2E */ {"pushuint", [OpcodeArgumentType.UInt]},
/* 0x2F */ {"pushdouble", [OpcodeArgumentType.Double]},
/* 0x30 */ {"pushscope", []},
/* 0x31 */ {"pushnamespace", [OpcodeArgumentType.Namespace]},
/* 0x32 */ {"hasnext2", [OpcodeArgumentType.UIntLiteral, OpcodeArgumentType.UIntLiteral]},
/* 0x33 */ {"pushdecimal", [OpcodeArgumentType.Unknown]},
/* 0x34 */ {"pushdnan", [OpcodeArgumentType.Unknown]},
/* 0x35 */ {"li8", []},
/* 0x36 */ {"li16", []},
/* 0x37 */ {"li32", []},
/* 0x38 */ {"lf32", []},
/* 0x39 */ {"lf64", []},
/* 0x3A */ {"si8", []},
/* 0x3B */ {"si16", []},
/* 0x3C */ {"si32", []},
/* 0x3D */ {"sf32", []},
/* 0x3E */ {"sf64", []},
/* 0x3F */ {"0x3F", [OpcodeArgumentType.Unknown]},
/* 0x40 */ {"newfunction", [OpcodeArgumentType.Method]},
/* 0x41 */ {"call", [OpcodeArgumentType.UIntLiteral]},
/* 0x42 */ {"construct", [OpcodeArgumentType.UIntLiteral]},
/* 0x43 */ {"callmethod", [OpcodeArgumentType.UIntLiteral, OpcodeArgumentType.UIntLiteral]},
/* 0x44 */ {"callstatic", [OpcodeArgumentType.Method, OpcodeArgumentType.UIntLiteral]},
/* 0x45 */ {"callsuper", [OpcodeArgumentType.Multiname, OpcodeArgumentType.UIntLiteral]},
/* 0x46 */ {"callproperty", [OpcodeArgumentType.Multiname, OpcodeArgumentType.UIntLiteral]},
/* 0x47 */ {"returnvoid", []},
/* 0x48 */ {"returnvalue", []},
/* 0x49 */ {"constructsuper", [OpcodeArgumentType.UIntLiteral]},
/* 0x4A */ {"constructprop", [OpcodeArgumentType.Multiname, OpcodeArgumentType.UIntLiteral]},
/* 0x4B */ {"callsuperid", [OpcodeArgumentType.Unknown]},
/* 0x4C */ {"callproplex", [OpcodeArgumentType.Multiname, OpcodeArgumentType.UIntLiteral]},
/* 0x4D */ {"callinterface", [OpcodeArgumentType.Unknown]},
/* 0x4E */ {"callsupervoid", [OpcodeArgumentType.Multiname, OpcodeArgumentType.UIntLiteral]},
/* 0x4F */ {"callpropvoid", [OpcodeArgumentType.Multiname, OpcodeArgumentType.UIntLiteral]},
/* 0x50 */ {"sxi1", []},
/* 0x51 */ {"sxi8", []},
/* 0x52 */ {"sxi16", []},
/* 0x53 */ {"applytype", [OpcodeArgumentType.UIntLiteral]},
/* 0x54 */ {"0x54", [OpcodeArgumentType.Unknown]},
/* 0x55 */ {"newobject", [OpcodeArgumentType.UIntLiteral]},
/* 0x56 */ {"newarray", [OpcodeArgumentType.UIntLiteral]},
/* 0x57 */ {"newactivation", []},
/* 0x58 */ {"newclass", [OpcodeArgumentType.Class]},
/* 0x59 */ {"getdescendants", [OpcodeArgumentType.Multiname]},
/* 0x5A */ {"newcatch", [OpcodeArgumentType.UIntLiteral]}, // ExceptionInfo index
/* 0x5B */ {"deldescendants", [OpcodeArgumentType.Unknown]},
/* 0x5C */ {"0x5C", [OpcodeArgumentType.Unknown]},
/* 0x5D */ {"findpropstrict", [OpcodeArgumentType.Multiname]},
/* 0x5E */ {"findproperty", [OpcodeArgumentType.Multiname]},
/* 0x5F */ {"finddef", [OpcodeArgumentType.Multiname]},
/* 0x60 */ {"getlex", [OpcodeArgumentType.Multiname]},
/* 0x61 */ {"setproperty", [OpcodeArgumentType.Multiname]},
/* 0x62 */ {"getlocal", [OpcodeArgumentType.UIntLiteral]},
/* 0x63 */ {"setlocal", [OpcodeArgumentType.UIntLiteral]},
/* 0x64 */ {"getglobalscope", []},
/* 0x65 */ {"getscopeobject", [OpcodeArgumentType.UByteLiteral]},
/* 0x66 */ {"getproperty", [OpcodeArgumentType.Multiname]},
/* 0x67 */ {"getouterscope", [OpcodeArgumentType.UIntLiteral]},
/* 0x68 */ {"initproperty", [OpcodeArgumentType.Multiname]},
/* 0x69 */ {"setpropertylate", []},
/* 0x6A */ {"deleteproperty", [OpcodeArgumentType.Multiname]},
/* 0x6B */ {"deletepropertylate", []},
/* 0x6C */ {"getslot", [OpcodeArgumentType.UIntLiteral]},
/* 0x6D */ {"setslot", [OpcodeArgumentType.UIntLiteral]},
/* 0x6E */ {"getglobalslot", [OpcodeArgumentType.UIntLiteral]},
/* 0x6F */ {"setglobalslot", [OpcodeArgumentType.UIntLiteral]},
/* 0x70 */ {"convert_s", []},
/* 0x71 */ {"esc_xelem", []},
/* 0x72 */ {"esc_xattr", []},
/* 0x73 */ {"convert_i", []},
/* 0x74 */ {"convert_u", []},
/* 0x75 */ {"convert_d", []},
/* 0x76 */ {"convert_b", []},
/* 0x77 */ {"convert_o", []},
/* 0x78 */ {"checkfilter", []},
/* 0x79 */ {"convert_m", [OpcodeArgumentType.Unknown]},
/* 0x7A */ {"convert_m_p", [OpcodeArgumentType.Unknown]},
/* 0x7B */ {"0x7B", [OpcodeArgumentType.Unknown]},
/* 0x7C */ {"0x7C", [OpcodeArgumentType.Unknown]},
/* 0x7D */ {"0x7D", [OpcodeArgumentType.Unknown]},
/* 0x7E */ {"0x7E", [OpcodeArgumentType.Unknown]},
/* 0x7F */ {"0x7F", [OpcodeArgumentType.Unknown]},
/* 0x80 */ {"coerce", [OpcodeArgumentType.Multiname]},
/* 0x81 */ {"coerce_b", []},
/* 0x82 */ {"coerce_a", []},
/* 0x83 */ {"coerce_i", []},
/* 0x84 */ {"coerce_d", []},
/* 0x85 */ {"coerce_s", []},
/* 0x86 */ {"astype", [OpcodeArgumentType.Multiname]},
/* 0x87 */ {"astypelate", []},
/* 0x88 */ {"coerce_u", [OpcodeArgumentType.Unknown]},
/* 0x89 */ {"coerce_o", [OpcodeArgumentType.Unknown]},
/* 0x8A */ {"0x8A", [OpcodeArgumentType.Unknown]},
/* 0x8B */ {"0x8B", [OpcodeArgumentType.Unknown]},
/* 0x8C */ {"0x8C", [OpcodeArgumentType.Unknown]},
/* 0x8D */ {"0x8D", [OpcodeArgumentType.Unknown]},
/* 0x8E */ {"0x8E", [OpcodeArgumentType.Unknown]},
/* 0x8F */ {"negate_p", [OpcodeArgumentType.Unknown]},
/* 0x90 */ {"negate", []},
/* 0x91 */ {"increment", []},
/* 0x92 */ {"inclocal", [OpcodeArgumentType.UIntLiteral]},
/* 0x93 */ {"decrement", []},
/* 0x94 */ {"declocal", [OpcodeArgumentType.UIntLiteral]},
/* 0x95 */ {"typeof", []},
/* 0x96 */ {"not", []},
/* 0x97 */ {"bitnot", []},
/* 0x98 */ {"0x98", [OpcodeArgumentType.Unknown]},
/* 0x99 */ {"0x99", [OpcodeArgumentType.Unknown]},
/* 0x9A */ {"concat", [OpcodeArgumentType.Unknown]},
/* 0x9B */ {"add_d", [OpcodeArgumentType.Unknown]},
/* 0x9C */ {"increment_p", [OpcodeArgumentType.Unknown]},
/* 0x9D */ {"inclocal_p", [OpcodeArgumentType.Unknown]},
/* 0x9E */ {"decrement_p", [OpcodeArgumentType.Unknown]},
/* 0x9F */ {"declocal_p", [OpcodeArgumentType.Unknown]},
/* 0xA0 */ {"add", []},
/* 0xA1 */ {"subtract", []},
/* 0xA2 */ {"multiply", []},
/* 0xA3 */ {"divide", []},
/* 0xA4 */ {"modulo", []},
/* 0xA5 */ {"lshift", []},
/* 0xA6 */ {"rshift", []},
/* 0xA7 */ {"urshift", []},
/* 0xA8 */ {"bitand", []},
/* 0xA9 */ {"bitor", []},
/* 0xAA */ {"bitxor", []},
/* 0xAB */ {"equals", []},
/* 0xAC */ {"strictequals", []},
/* 0xAD */ {"lessthan", []},
/* 0xAE */ {"lessequals", []},
/* 0xAF */ {"greaterthan", []},
/* 0xB0 */ {"greaterequals", []},
/* 0xB1 */ {"instanceof", []},
/* 0xB2 */ {"istype", [OpcodeArgumentType.Multiname]},
/* 0xB3 */ {"istypelate", []},
/* 0xB4 */ {"in", []},
/* 0xB5 */ {"add_p", [OpcodeArgumentType.Unknown]},
/* 0xB6 */ {"subtract_p", [OpcodeArgumentType.Unknown]},
/* 0xB7 */ {"multiply_p", [OpcodeArgumentType.Unknown]},
/* 0xB8 */ {"divide_p", [OpcodeArgumentType.Unknown]},
/* 0xB9 */ {"modulo_p", [OpcodeArgumentType.Unknown]},
/* 0xBA */ {"0xBA", [OpcodeArgumentType.Unknown]},
/* 0xBB */ {"0xBB", [OpcodeArgumentType.Unknown]},
/* 0xBC */ {"0xBC", [OpcodeArgumentType.Unknown]},
/* 0xBD */ {"0xBD", [OpcodeArgumentType.Unknown]},
/* 0xBE */ {"0xBE", [OpcodeArgumentType.Unknown]},
/* 0xBF */ {"0xBF", [OpcodeArgumentType.Unknown]},
/* 0xC0 */ {"increment_i", []},
/* 0xC1 */ {"decrement_i", []},
/* 0xC2 */ {"inclocal_i", [OpcodeArgumentType.UIntLiteral]},
/* 0xC3 */ {"declocal_i", [OpcodeArgumentType.UIntLiteral]},
/* 0xC4 */ {"negate_i", []},
/* 0xC5 */ {"add_i", []},
/* 0xC6 */ {"subtract_i", []},
/* 0xC7 */ {"multiply_i", []},
/* 0xC8 */ {"0xC8", [OpcodeArgumentType.Unknown]},
/* 0xC9 */ {"0xC9", [OpcodeArgumentType.Unknown]},
/* 0xCA */ {"0xCA", [OpcodeArgumentType.Unknown]},
/* 0xCB */ {"0xCB", [OpcodeArgumentType.Unknown]},
/* 0xCC */ {"0xCC", [OpcodeArgumentType.Unknown]},
/* 0xCD */ {"0xCD", [OpcodeArgumentType.Unknown]},
/* 0xCE */ {"0xCE", [OpcodeArgumentType.Unknown]},
/* 0xCF */ {"0xCF", [OpcodeArgumentType.Unknown]},
/* 0xD0 */ {"getlocal0", []},
/* 0xD1 */ {"getlocal1", []},
/* 0xD2 */ {"getlocal2", []},
/* 0xD3 */ {"getlocal3", []},
/* 0xD4 */ {"setlocal0", []},
/* 0xD5 */ {"setlocal1", []},
/* 0xD6 */ {"setlocal2", []},
/* 0xD7 */ {"setlocal3", []},
/* 0xD8 */ {"0xD8", [OpcodeArgumentType.Unknown]},
/* 0xD9 */ {"0xD9", [OpcodeArgumentType.Unknown]},
/* 0xDA */ {"0xDA", [OpcodeArgumentType.Unknown]},
/* 0xDB */ {"0xDB", [OpcodeArgumentType.Unknown]},
/* 0xDC */ {"0xDC", [OpcodeArgumentType.Unknown]},
/* 0xDD */ {"0xDD", [OpcodeArgumentType.Unknown]},
/* 0xDE */ {"0xDE", [OpcodeArgumentType.Unknown]},
/* 0xDF */ {"0xDF", [OpcodeArgumentType.Unknown]},
/* 0xE0 */ {"0xE0", [OpcodeArgumentType.Unknown]},
/* 0xE1 */ {"0xE1", [OpcodeArgumentType.Unknown]},
/* 0xE2 */ {"0xE2", [OpcodeArgumentType.Unknown]},
/* 0xE3 */ {"0xE3", [OpcodeArgumentType.Unknown]},
/* 0xE4 */ {"0xE4", [OpcodeArgumentType.Unknown]},
/* 0xE5 */ {"0xE5", [OpcodeArgumentType.Unknown]},
/* 0xE6 */ {"0xE6", [OpcodeArgumentType.Unknown]},
/* 0xE7 */ {"0xE7", [OpcodeArgumentType.Unknown]},
/* 0xE8 */ {"0xE8", [OpcodeArgumentType.Unknown]},
/* 0xE9 */ {"0xE9", [OpcodeArgumentType.Unknown]},
/* 0xEA */ {"0xEA", [OpcodeArgumentType.Unknown]},
/* 0xEB */ {"0xEB", [OpcodeArgumentType.Unknown]},
/* 0xEC */ {"0xEC", [OpcodeArgumentType.Unknown]},
/* 0xED */ {"0xED", [OpcodeArgumentType.Unknown]},
/* 0xEE */ {"0xEE", [OpcodeArgumentType.Unknown]},
/* 0xEF */ {"debug", [OpcodeArgumentType.UByteLiteral, OpcodeArgumentType.String, OpcodeArgumentType.UByteLiteral, OpcodeArgumentType.UIntLiteral]},
/* 0xF0 */ {"debugline", [OpcodeArgumentType.UIntLiteral]},
/* 0xF1 */ {"debugfile", [OpcodeArgumentType.String]},
/* 0xF2 */ {"bkptline", [OpcodeArgumentType.Unknown]},
/* 0xF3 */ {"timestamp", [OpcodeArgumentType.Unknown]},
/* 0xF4 */ {"0xF4", [OpcodeArgumentType.Unknown]},
/* 0xF5 */ {"0xF5", [OpcodeArgumentType.Unknown]},
/* 0xF6 */ {"0xF6", [OpcodeArgumentType.Unknown]},
/* 0xF7 */ {"0xF7", [OpcodeArgumentType.Unknown]},
/* 0xF8 */ {"0xF8", [OpcodeArgumentType.Unknown]},
/* 0xF9 */ {"0xF9", [OpcodeArgumentType.Unknown]},
/* 0xFA */ {"0xFA", [OpcodeArgumentType.Unknown]},
/* 0xFB */ {"0xFB", [OpcodeArgumentType.Unknown]},
/* 0xFC */ {"0xFC", [OpcodeArgumentType.Unknown]},
/* 0xFD */ {"0xFD", [OpcodeArgumentType.Unknown]},
/* 0xFE */ {"0xFE", [OpcodeArgumentType.Unknown]},
/* 0xFF */ {"0xFF", [OpcodeArgumentType.Unknown]},
];
Opcode[string] OpcodeByName;
static this()
{
foreach (o, ref i; opcodeInfo)
OpcodeByName[i.name] = cast(Opcode)o;
OpcodeByName = OpcodeByName.rehash;
}
bool[256] genLookup(Opcode[] opcodes)
{
bool[256] result;
foreach (op; opcodes)
result[op] = true;
return result;
}
const bool[256] stopsExecution = genLookup([Opcode.OP_returnvalue, Opcode.OP_returnvoid, Opcode.OP_throw, Opcode.OP_jump, Opcode.OP_lookupswitch]);
private final class ABCReader
{
ubyte[] buf;
size_t pos;
ABCFile abc;
this(ubyte[] buf)
{
try
{
this.buf = buf;
abc = new ABCFile();
abc.minorVersion = readU16();
abc.majorVersion = readU16();
static uint atLeastOne(uint n) { return n ? n : 1; }
abc.ints.length = atLeastOne(readU30());
foreach (ref value; abc.ints[1..$])
value = readS32();
abc.uints.length = atLeastOne(readU30());
foreach (ref value; abc.uints[1..$])
value = readU32();
abc.doubles.length = atLeastOne(readU30());
foreach (ref value; abc.doubles[1..$])
value = readD64();
abc.strings.length = atLeastOne(readU30());
foreach (ref value; abc.strings[1..$])
value = readString();
abc.namespaces.length = atLeastOne(readU30());
foreach (ref value; abc.namespaces[1..$])
value = readNamespace();
abc.namespaceSets.length = atLeastOne(readU30());
foreach (ref value; abc.namespaceSets[1..$])
value = readNamespaceSet();
abc.multinames.length = atLeastOne(readU30());
foreach (ref value; abc.multinames[1..$])
value = readMultiname();
abc.methods.length = readU30();
foreach (ref value; abc.methods)
value = readMethodInfo();
abc.metadata.length = readU30();
foreach (ref value; abc.metadata)