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Copy pathABCToActionScript.as
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ABCToActionScript.as
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package com.swfwire.decompiler.utils
{
import com.swfwire.decompiler.abc.ABCFile;
import com.swfwire.decompiler.abc.AVM2;
import com.swfwire.decompiler.abc.LocalRegisters;
import com.swfwire.decompiler.abc.OperandStack;
import com.swfwire.decompiler.abc.ScopeStack;
import com.swfwire.decompiler.abc.instructions.*;
import com.swfwire.decompiler.abc.tokens.*;
import com.swfwire.decompiler.abc.tokens.cpool.CPoolIndex;
import com.swfwire.decompiler.abc.tokens.multinames.*;
import com.swfwire.decompiler.abc.tokens.traits.*;
import com.swfwire.utils.Debug;
import com.swfwire.utils.ObjectUtil;
import com.swfwire.utils.StringUtil;
import flash.utils.Dictionary;
import flash.utils.describeType;
import flash.utils.getTimer;
public class ABCToActionScript
{
private var abcFile:ABCFile;
private var offsetLookup:Object;
public var showByteCode:Boolean = true;
public var showActionScript:Boolean = true;
public var showStack:Boolean = true;
public var showDebug:Boolean = false;
public var showBranchInfo:Boolean = false;
private var methodLookupCache:Array;
private var customNamespaces:Object;
public function ABCToActionScript(abcFile:ABCFile, offsetLookup:Object = null, customNamespaces:Object = null)
{
this.abcFile = abcFile;
this.offsetLookup = offsetLookup;
methodLookupCache = new Array();
for(var iter:uint = 0; iter < abcFile.methodBodyCount; iter++)
{
methodLookupCache[abcFile.methodBodies[iter].method] = iter;
}
if(!customNamespaces)
{
customNamespaces = {};
}
this.customNamespaces = customNamespaces;
}
public function getReadableMultinameRuntime(index:uint, readable:ReadableMultiname, stack:OperandStack):void
{
var cpool:ConstantPoolToken = abcFile.cpool;
var multiname:MultinameToken = cpool.multinames[index];
switch(multiname.kind)
{
case MultinameToken.KIND_RTQName:
case MultinameToken.KIND_RTQNameA:
var rtqn:MultinameRTQNameToken = multiname.data as MultinameRTQNameToken;
readable.namespace = uncoerce(stack.pop(), 'Namespace', true).replace('::', '.');
readable.name = cpool.strings[rtqn.name].utf8;
break;
case MultinameToken.KIND_MultinameL:
case MultinameToken.KIND_MultinameLA:
readable.namespace = '';
readable.name = stack.pop();
break;
default:
getReadableMultiname(index, readable);
break;
}
}
public function getReadableMultiname(index:uint, readable:ReadableMultiname):void
{
var cpool:ConstantPoolToken = abcFile.cpool;
var multiname:MultinameToken = cpool.multinames[index];
readable.namespace = '';
readable.name = '?';
var isAttribute:Boolean = false;
if(index == 0)
{
readable.name = '*';
}
else
{
switch(multiname.kind)
{
case MultinameToken.KIND_QName:
case MultinameToken.KIND_QNameA:
var mq:MultinameQNameToken = multiname.data as MultinameQNameToken;
readable.namespace = namespaceToString(mq.ns);
readable.name = cpool.strings[mq.name].utf8;
break;
case MultinameToken.KIND_RTQName:
case MultinameToken.KIND_RTQNameA:
var rtqn:MultinameRTQNameToken = multiname.data as MultinameRTQNameToken;
readable.name = cpool.strings[rtqn.name].utf8;
break;
case MultinameToken.KIND_Multiname:
case MultinameToken.KIND_MultinameA:
var mm:MultinameMultinameToken = multiname.data as MultinameMultinameToken;
readable.namespace = '';
readable.name = cpool.strings[mm.name].utf8;
break;
case MultinameToken.KIND_TypeName:
var tn:MultinameTypeNameToken = multiname.data as MultinameTypeNameToken;
var mq1:MultinameQNameToken = cpool.multinames[tn.name].data as MultinameQNameToken;
var mq2:MultinameQNameToken = cpool.multinames[tn.subType].data as MultinameQNameToken;
var rSub:ReadableMultiname = new ReadableMultiname();
getReadableMultiname(tn.subType, rSub);
readable.name = cpool.strings[mq1.name].utf8 + '.<' + multinameTypeToString(rSub) + '>';
break;
default:
readable.name = '#'+index+'/'+cpool.multinames.length+'('+multiname.kind.toString(16)+')';
break;
}
if(multiname.kind == MultinameToken.KIND_MultinameA)
{
readable.name = '@'+readable.name;
}
}
}
public function getReadableClass(index:uint, rc:ReadableClass):void
{
var classInfo:ClassInfoToken = abcFile.classes[index];
var instance:InstanceToken = abcFile.instances[index];
rc.type = instance.flags & InstanceToken.FLAG_CLASS_INTERFACE ? ReadableClass.INTERFACE : ReadableClass.CLASS;
rc.className = new ReadableMultiname();
getReadableMultiname(instance.name, rc.className);
rc.superName = new ReadableMultiname();
getReadableMultiname(instance.superName, rc.superName);
rc.traits = new Array();
rc.interfaces = new Array();
var iter2:uint;
var trait:TraitsInfoToken;
var r:ReadableTrait;
/*
r = new ReadableTrait();
translator.getMethodBody(instance.name, classInfo.cinit, r);
rc.traits.push(r);
*/
r = new ReadableTrait();
getMethodBody(instance.name, instance.iinit, r);
r.type.name = '';
r.declaration.namespace = 'public';
rc.traits.push(r);
for(iter2 = 0; iter2 < classInfo.traitCount; iter2++)
{
trait = classInfo.traits[iter2];
r = new ReadableTrait();
r.isStatic = true;
getReadableTrait(trait, r);
rc.traits.push(r);
}
for(iter2 = 0; iter2 < instance.traitCount; iter2++)
{
trait = instance.traits[iter2];
r = new ReadableTrait();
getReadableTrait(trait, r);
rc.traits.push(r);
}
for(iter2 = 0; iter2 < instance.interfaceCount; iter2++)
{
rc.interfaces.push(instance.interfaces[iter2]);
}
}
public function getMethodBody(name:uint, methodId:uint, r:ReadableTrait):void
{
r.arguments = new Vector.<ReadableMultiname>();
r.argumentNames = new Vector.<String>();
r.declaration = new ReadableMultiname();
r.traitType = ReadableTrait.TYPE_METHOD;
multinameTraitToString(name, r.declaration);
var methodInfo:MethodInfoToken = abcFile.methods[methodId];
for(var iter:uint = 0; iter < methodInfo.paramCount; iter++)
{
var paramType:uint = methodInfo.paramTypes[iter];
var readableArg:ReadableMultiname = new ReadableMultiname();
getReadableMultiname(paramType, readableArg);
r.arguments[iter] = readableArg;
if(methodInfo.paramNames[iter])
{
r.argumentNames[iter] = abcFile.cpool.strings[methodInfo.paramNames[iter].value].utf8;
}
else
{
r.argumentNames[iter] = 'arg'+iter;
}
//args.push('arg'+iter+':'+multinameTypeToString(cpool, paramType));
}
var bodyId:int = getBodyIdFromMethodId(methodId);
if(bodyId >= 0)
{
var methodBody:MethodBodyInfoToken = abcFile.methodBodies[bodyId];
r.instructions = methodBody.instructions;
r.localCount = methodBody.localCount;
r.slots = {};
for(var iterTraits:uint = 0; iterTraits < methodBody.traits.length; iterTraits++)
{
var trait:TraitsInfoToken = methodBody.traits[iterTraits];
if(trait.kind == TraitsInfoToken.KIND_TRAIT_SLOT)
{
var slotToken:TraitSlotToken = trait.data as TraitSlotToken;
r.slots[slotToken.slotId] = abcFile.cpool.strings[MultinameQNameToken(abcFile.cpool.multinames[trait.name].data).name].utf8;
}
}
}
r.type = new ReadableMultiname();
getReadableMultiname(methodInfo.returnType, r.type);
}
public function getReadableTrait(traitInfo:TraitsInfoToken, r:ReadableTrait):void
{
r.arguments = new Vector.<ReadableMultiname>();
r.argumentNames = new Vector.<String>();
var args:Array = [];
var cpool:ConstantPoolToken = abcFile.cpool;
r.declaration = new ReadableMultiname();
multinameTraitToString(traitInfo.name, r.declaration);
if(traitInfo.kind == TraitsInfoToken.KIND_TRAIT_CLASS)
{
r.traitType = ReadableTrait.TYPE_CLASS;
r.classInfo = new ReadableClass();
var traitClass:TraitClassToken = traitInfo.data as TraitClassToken;
getReadableClass(traitClass.classId, r.classInfo);
}
else if(traitInfo.kind == TraitsInfoToken.KIND_TRAIT_SLOT)
{
var slotInfo:TraitSlotToken = TraitSlotToken(traitInfo.data);
r.traitType = ReadableTrait.TYPE_PROPERTY;
r.type = new ReadableMultiname();
getReadableMultiname(slotInfo.typeName, r.type);
//result = traitName+':'+multinameTypeToString(TraitSlotToken(traitInfo.data).typeName, r);
}
else if(traitInfo.kind == TraitsInfoToken.KIND_TRAIT_METHOD || traitInfo.kind == TraitsInfoToken.KIND_TRAIT_GETTER || traitInfo.kind == TraitsInfoToken.KIND_TRAIT_SETTER)
{
r.traitType = ReadableTrait.TYPE_METHOD;
r.slots = {};
var traitMethod:TraitMethodToken = TraitMethodToken(traitInfo.data);
var methodInfo:MethodInfoToken = abcFile.methods[traitMethod.methodId];
for(var iter:uint = 0; iter < methodInfo.paramCount; iter++)
{
var paramType:uint = methodInfo.paramTypes[iter];
var readableArg:ReadableMultiname = new ReadableMultiname();
getReadableMultiname(paramType, readableArg);
r.arguments[iter] = readableArg;
if(methodInfo.paramNames[iter])
{
r.argumentNames[iter] = abcFile.cpool.strings[methodInfo.paramNames[iter].value].utf8;
}
else
{
r.argumentNames[iter] = 'arg'+iter;
}
//args.push('arg'+iter+':'+multinameTypeToString(cpool, paramType));
}
var bodyId:int = getBodyIdFromMethodId(traitMethod.methodId);
if(bodyId >= 0)
{
var methodBody:MethodBodyInfoToken = abcFile.methodBodies[bodyId];
r.instructions = methodBody.instructions;
r.localCount = methodBody.localCount;
for(var iterTraits:uint = 0; iterTraits < methodBody.traits.length; iterTraits++)
{
var trait:TraitsInfoToken = methodBody.traits[iterTraits];
if(trait.kind == TraitsInfoToken.KIND_TRAIT_SLOT)
{
var slotToken:TraitSlotToken = trait.data as TraitSlotToken;
r.slots[slotToken.slotId] = namespaceToString(MultinameQNameToken(abcFile.cpool.multinames[trait.name].data).ns) + "::" + abcFile.cpool.strings[MultinameQNameToken(abcFile.cpool.multinames[trait.name].data).name].utf8;
}
}
}
r.type = new ReadableMultiname();
getReadableMultiname(methodInfo.returnType, r.type);
}
else if(traitInfo.kind == TraitsInfoToken.KIND_TRAIT_CONST)
{
r.traitType = ReadableTrait.TYPE_PROPERTY;
r.type = new ReadableMultiname();
getReadableMultiname(TraitSlotToken(traitInfo.data).typeName, r.type);
r.isConst = true;
}
if(traitInfo.kind == TraitsInfoToken.KIND_TRAIT_GETTER)
{
r.declaration.name = 'get '+r.declaration.name;
}
if(traitInfo.kind == TraitsInfoToken.KIND_TRAIT_SETTER)
{
r.declaration.name = 'set '+r.declaration.name;
}
if(traitInfo.kind == TraitsInfoToken.KIND_TRAIT_SLOT || traitInfo.kind == TraitsInfoToken.KIND_TRAIT_CONST)
{
var slotInfo2:TraitSlotToken = TraitSlotToken(traitInfo.data);
switch(slotInfo2.vKind)
{
case 0x01:
r.initializer = '"' + String(abcFile.cpool.strings[slotInfo2.vIndex].utf8) + '"';
break;
case 0x03:
r.initializer = String(abcFile.cpool.integers[slotInfo2.vIndex]);
break;
case 0x08:
var ns:String = namespaceToString(slotInfo2.vIndex);
r.traitType = ReadableTrait.TYPE_NAMESPACE;
r.initializer = '"' + ns + '"';
break;
}
/*
CONSTANT_Int 0x03 integer
CONSTANT_UInt 0x04 uinteger
CONSTANT_Double 0x06 double
CONSTANT_Utf8 0x01 string
CONSTANT_True 0x0B -
CONSTANT_False 0x0A -
CONSTANT_Null 0x0C -
CONSTANT_Undefined 0x00 -
CONSTANT_Namespace 0x08 namespace
CONSTANT_PackageNamespace 0x16 namespace
CONSTANT_PackageInternalNs 0x17 Namespace
CONSTANT_ProtectedNamespace 0x18 Namespace
CONSTANT_ExplicitNamespace 0x19 Namespace
CONSTANT_StaticProtectedNs 0x1A Namespace
CONSTANT_PrivateNs 0x05 namespace
*/
}
}
private function getBodyIdFromMethodId(methodId:uint):int
{
return methodLookupCache[methodId];
}
public function namespaceToString(index:uint):String
{
var result:String = '';
var ns:NamespaceToken = abcFile.cpool.namespaces[index];
if(ns.kind == NamespaceToken.KIND_PrivateNs)
{
result = 'private';
}
else if(ns.kind == NamespaceToken.KIND_PackageInternalNs)
{
result = 'internal';
}
else if(ns.kind == NamespaceToken.KIND_ProtectedNamespace || ns.kind == NamespaceToken.KIND_StaticProtectedNs)
{
result = 'protected';
}
else
{
result = abcFile.cpool.strings[ns.name].utf8;
}
return result;
}
private function cloneObject(source:Object):Object
{
var clone:Object = new Object();
for(var iter:String in source)
{
clone[iter] = source[iter];
}
return clone;
}
private function uncoerce(value:String, pattern:String = '[\w]+', leaveParenthesis:Boolean = false):String
{
var matches:Array = value.match(new RegExp('^'+pattern+'\\((.*)\\)$'))
if(matches)
{
value = leaveParenthesis ? '('+matches[1]+')' : matches[1];
}
return value;
}
private function instructionsToString(methodName:String,
startTime:int,
instructions:Vector.<IInstruction>,
argumentNames:Vector.<String>,
slotNames:Object,
localCount:uint,
start:uint = 0,
cache2:Object = null,
hitmap:Object = null,
hitmapWithStack:Object = null,
knownConditions:Object = null,
positionLookup:Dictionary = null,
stopOnJump:Boolean = false,
scope:ScopeStack = null,
locals:LocalRegisters = null,
stack:OperandStack = null,
target:int = -1,
depth:int = 0,
definedLocals:Object = null):Object
{
var lines:Array = [];
trace('depth: '+depth+' '+start);
if(!scope)
{
scope = ScopeStack.buildstack();
}
if(!definedLocals)
{
definedLocals = {};
}
if(!locals)
{
locals = new LocalRegisters();
locals.setName(0, 'this');
locals.setValue(0, 'this');
var iterArg:uint;
var argumentCount:uint = argumentNames.length;
for(iterArg = 0; iterArg < argumentCount; iterArg++)
{
locals.setName(iterArg + 1, argumentNames[iterArg]);
locals.setValue(iterArg + 1, argumentNames[iterArg]);
definedLocals[iterArg + 1] = false;
}
for(; iterArg < localCount; iterArg++)
{
locals.setName(iterArg + 1, 'local'+(iterArg - argumentCount));
locals.setValue(iterArg + 1, 'null');
definedLocals[iterArg + 1] = false;
}
}
if(!stack)
{
stack = OperandStack.buildstack();
}
var localCount:uint = 0;
if(!hitmap)
{
hitmap = {};
}
if(!hitmapWithStack)
{
hitmapWithStack = {};
}
if(!knownConditions)
{
knownConditions = {};
}
if(!positionLookup)
{
positionLookup = new Dictionary();
for(var iter1:uint = 0; iter1 < instructions.length; iter1++)
{
positionLookup[instructions[iter1]] = iter1;
}
}
if(!cache2)
{
cache2 = {};
}
var subflow:Object = {};
var flow:Array = [];
var sourceUntil:Object = {};
var breakOn:int = -1;
var firstNextName:String = null;
var firstNextValue:String = null;
var firstWasNextName:Boolean = false;
var firstWasNextValue:Boolean = false;
var resultObj2:Object;
var importantFlow:Array = [];
var hassource:Boolean = false;
/*
if(getTimer() - startTime > 10000)
{
trace('Script timed out.');
return {result: '//ERROR: DECOMPILE TIMEOUT', flow: flow, breakOn: breakOn, sourceUntil: sourceUntil, firstNextName: firstNextName};
}
*/
for(var iter:uint = start; iter < instructions.length; iter++)
{
sourceUntil[iter] = lines.join('\n');
var key:String = iter+'$'+String(stack);
//trace('for: '+key+' ('+stack.values.length+')');
if(hitmap[iter])
{
//trace('hitmap hit: '+iter);
//lines.push('HITMAP HIT');
breakOn = iter;
break;
}
/*
if(cache[key])
{
trace('cache hit 13');
resultObj2 = {result: lines.join('\n'), flow: flow, breakOn: breakOn, sourceUntil: sourceUntil, firstNextName: firstNextName};
var cached:Object = cache[key];
resultObj2.result += '\n--JOINED FROM '+key+'--\n' + cached.result;
resultObj2.flow = resultObj2.flow.concat(cached.flow);
for(var iter5:String in cached.sourceUntil)
{
resultObj2[iter5] = cached.sourceUntil[iter5];
}
resultObj2.breakOn = cached.breakOn;
break;
}
*/
if(hitmapWithStack[key])
{
//trace('hitmapWithStack hit: '+key);
//lines.push('HITMAPSTACK HIT');
break;
}
if(iter == target)
{
//trace('target hit: '+iter);
breakOn = iter;
break;
}
if(op is EndInstruction)
{
continue;
}
subflow[iter] = 1;
hitmap[iter] = 1;
hitmapWithStack[key] = 1;
flow.push(key);
var op:IInstruction = instructions[iter];
var params:Array = [];
var line:String = '';
var args:Array = [];
var tempInt:int;
var tempInt2:int;
var tempArr:Array;
var tempStr:String;
var tempStr2:String;
var tempStr3:String;
var mn:MultinameToken;
var rmn:ReadableMultiname;
var source:String = '';
var sourceStarted:Boolean = false;
var exit:Boolean = false;
var tempStr4:String;
var b:Object;
var i:int;
if(showByteCode)
{
var description:XML = describeType(op);
var string:String = ' '
string += StringUtil.padEnd('#'+iter, ' ');
/*
if(offsetLookup && offsetLookup[iter])
{
string += '#'+offsetLookup[iter]+' ';
}
*/
if(!showDebug && (op is Instruction_debug || op is Instruction_debugfile || op is Instruction_debugline))
{
continue;
}
else
{
string += String(description.@name).replace(/.*Instruction_/, '');
}
for each(var name:String in description.variable.@name)
{
if(name.toLowerCase().indexOf('offset') != -1)
{
continue;
}
//multiname index
if(name == 'index' &&
(
op is Instruction_getlex ||
op is Instruction_callproperty ||
op is Instruction_callpropvoid ||
op is Instruction_coerce ||
op is Instruction_findpropstrict ||
op is Instruction_getproperty ||
op is Instruction_setproperty ||
op is Instruction_findproperty ||
op is Instruction_initproperty
))
{
var r:ReadableMultiname = new ReadableMultiname();
this.getReadableMultiname(op['index'], r);
var mnString:String = this.multinameTypeToString(r);
if(mnString == '?')
{
mnString = '(#'+op['index']+'/'+abcFile.cpool.multinames.length+')';
}
params.push(mnString);
}
//string index
else if(name == 'index' && (op is Instruction_pushstring))
{
params.push('"'+abcFile.cpool.strings[op['index']].utf8+'"');
}
else
{
var prop:* = op[name];
if(prop is IInstruction)
{
prop = '#'+positionLookup[prop];
}
else if(prop is Vector.<IInstruction>)
{
var props:Array = [];
for(tempInt = 0; tempInt < prop.length; tempInt++)
{
props.push('#'+positionLookup[prop[tempInt]]);
}
prop = props.join(', ');
}
params.push(name+': '+prop);
}
//props[name] = variable[name];
}
string += ' ' + params.join(', ');
lines.push(string);
}
if(showActionScript)
{
function branch(target1:int, target2:int, knownConditions1:Object, knownConditions2:Object):Object
{
var tempStr1:String = '';
var tempStr2:String = '';
var hitmapCopy1:Object = cloneObject(hitmapWithStack);
var hitmapCopy2:Object = cloneObject(hitmapWithStack);
var hitmapCopy3:Object = cloneObject(hitmap);
var hitmapCopy4:Object = cloneObject(hitmap);
var stackCopy1:OperandStack = stack.clone();
var stackCopy2:OperandStack = stack.clone();
var scope1:ScopeStack = scope.clone();
var scope2:ScopeStack = scope.clone();
trace(' branch point: '+iter);
trace(' start branch from: '+target1);
var r1:Object = instructionsToString(methodName, startTime, instructions,
argumentNames, slotNames, localCount, target1, cache2, hitmapCopy3, hitmapCopy1,
knownConditions1, positionLookup, true, scope1, locals, stackCopy1, -1, depth + 1, definedLocals);
trace(' end branch from: '+target1);
trace(' start branch from: '+target2);
var r2:Object = instructionsToString(methodName, startTime, instructions,
argumentNames, slotNames, localCount, target2, cache2, hitmapCopy4, hitmapCopy2,
knownConditions2, positionLookup, true, scope2, locals, stackCopy2, -1, depth + 1, definedLocals);
trace(' end branch from: '+target2);
var isWhile:Boolean = false;
var isForIn:Boolean = false;
var isForEachIn:Boolean = false;
var a1:int = -1;
var a2:String = '';
var id:int = stack.getid;
//Debug.dump({flow1: r1.flow, flow2: r2.flow});
outer:
for(var iter4:int = 0; iter4 < r1.flow.length; iter4++)
{
for(var iter5:int = 0; iter5 < r2.flow.length; iter5++)
{
if(r1.flow[iter4] == r2.flow[iter5])
{
a2 = r1.flow[iter4];
var splitPoint:int = a2.indexOf('$');
a1 = int(a2.substr(0, splitPoint));
var tempidstr:String = a2.substr(splitPoint + 1);
if(tempidstr)
{
id = int(tempidstr);
}
else
{
id = -1;
}
r1.flow.splice(iter4);
r2.flow.splice(iter5);
break outer;
}
}
}
if(showBranchInfo)
{
if(a1 >= 0)
{
lines.push(' MERGE @'+a1);
lines.push(' FLOW1 LENGTH: '+r1.flow.length+', BREAK @'+r1.breakOn);
lines.push(' FLOW2 LENGTH: '+r2.flow.length+', BREAK @'+r2.breakOn);
}
else
{
lines.push(' NO MERGE');
lines.push(' FLOW1 LENGTH: '+r1.flow.length+', BREAK @'+r1.breakOn);
lines.push(' FLOW2 LENGTH: '+r2.flow.length+', BREAK @'+r2.breakOn);
}
}
var localFirstNextName:String;
var localFirstNextValue:String;
if(a1 == -1)
{
//if(r1.breakOn >= 0 && (r1.breakOn == a1 || a1 == -1))
if(r1.breakOn >= 0)
{
for(var iterFlow1:String in subflow)
{
if(iterFlow1 == r1.breakOn)
{
isWhile = true;
r2.flow = [];
localFirstNextName = r1.firstNextName;
localFirstNextValue = r1.firstNextValue;
isForIn = r1.firstNextName != null;
isForEachIn = r1.firstNextValue != null;
break;
}
}
}
//if(r2.breakOn >= 0 && (r2.breakOn == a1 || a1 == -1))
if(r2.breakOn >= 0)
{
for(var iterFlow2:String in subflow)
{
if(iterFlow2 == r2.breakOn)
{
isWhile = true;
r1.flow = [];
localFirstNextName = r2.firstNextName;
localFirstNextValue = r2.firstNextValue;
isForIn = r2.firstNextName != null;
isForEachIn = r2.firstNextValue != null;
break;
}
}
}
}
//Debug.dump(r1.flow);
//Debug.dump(r2.flow);
for(var iterHit2:uint = 0; iterHit2 < r1.flow.length; iterHit2++)
{
if(r1.flow[iterHit2] == a1)
{
break;
}
hitmapWithStack[r1.flow[iterHit2]] = 1;
}
for(var iterHit3:uint = 0; iterHit3 < r2.flow.length; iterHit3++)
{
if(r2.flow[iterHit3] == a1)
{
break;
}
hitmapWithStack[r2.flow[iterHit3]] = 1;
}
if(a1 >= 0)
{
tempStr1 = r1.sourceUntil[a1];
tempStr2 = r2.sourceUntil[a1];
}
else
{
tempStr1 = r1.result;
tempStr2 = r2.result;
}
//trace(tempStr1);
tempStr1 = tempStr1 ? StringUtil.indent(tempStr1, ' ') : '';
tempStr2 = tempStr2 ? StringUtil.indent(tempStr2, ' ') : '';
tempStr1 = (tempStr1 && r1.hassource) ? tempStr1 : '';
tempStr2 = (tempStr2 && r2.hassource) ? tempStr2 : '';
var localResult:Object = {
flow1: r1.flow, flow2: r2.flow,
source1: tempStr1, source2: tempStr2,
merge: a1, isWhile: isWhile,
isForIn: isForIn, isForEachIn: isForEachIn,
firstNextName: localFirstNextName, firstNextValue: localFirstNextValue,
id: id
};
return localResult;
}
var boolrexp:RegExp =/^(!+)?(?:Boolean)?\((.+)\)$/;
function unwrapbool(cond:String):Object {
var ret:Object = { xorexprop:Boolean(false),condexpr:cond};
if (boolrexp.test(cond)){
var condtounwraped:String = cond.slice();
while(true){
var result:Object = boolrexp.exec(condtounwraped);
if (result) {
condtounwraped = '';
if (result[1]&&(result[1].length % 2 == 1)) {
ret.xorexprop = !ret.xorexprop;
}
if (result[2]) condtounwraped += result[2];
}
else break;
}
ret.condexpr = condtounwraped;
}
return ret;
}
function prunedup(cond:String):String {
cond = cond.replace(/^<dup>/, '');
return cond;
}
function xor(x:Boolean, y:Boolean):Boolean {
return !( x && y ) && ( x || y );
}
function conditional(condition:String, inequality:Boolean):void
{
tempInt = positionLookup[Object(op).reference];
condition = prunedup(condition);
var canonicalboolexp:Object= unwrapbool(condition);
var canonicalcondition:String=canonicalboolexp.condexpr;
var isdecidable:Boolean = canonicalcondition && knownConditions.hasOwnProperty(canonicalcondition);
if(isdecidable)
{
var bcondition:Boolean = xor(knownConditions[canonicalcondition], canonicalboolexp.xorexprop);
var execute:Boolean = bcondition == !inequality;
if(execute)
{
iter = tempInt-1;
}
trace('KNOWN CONDITION: ' + canonicalcondition + ' = ' + knownConditions[canonicalcondition] + ', skipping to: ' + iter);
return;
}
var key2:String = iter+'$'+String(stack);
var cached:Object;
if(cache2[key2])
{
trace('CACHE HIT!');
trace(' key: '+key2);
cached = cache2[key2];
//return 'CACHE @'+key2+ '\n' + cached.source;
b = cached.b;
}
else
{
trace('CACHE MISS! EXECUTING EXPENSIVE BRANCH');
trace(' key: '+key2);
var knownConditions1:Object = cloneObject(knownConditions);
var knownConditions2:Object = cloneObject(knownConditions);
knownConditions1[canonicalcondition] = !canonicalboolexp.xorexprop;
knownConditions2[canonicalcondition] = canonicalboolexp.xorexprop;
if(xor(inequality, canonicalboolexp.xorexprop))
{
b = branch(tempInt, iter + 1, knownConditions1, knownConditions2);
}
else
{
b = branch(iter + 1, tempInt, knownConditions2, knownConditions1);
}
}
stack.copyfrom(OperandStack.stacks[b.id]);
var cond:String = b.isWhile ? 'while' : 'if';
var checkHasNext:RegExp = /^<hasnext2>\((.*)\)$/;
if(b.isWhile && b.isForIn)
{
var matches:Array = condition.match(checkHasNext);
if(matches)
{
cond = 'for';
condition = b.firstNextName+' in '+matches[1];
}
}
if(b.isWhile && b.isForEachIn)
{
var matches2:Array = condition.match(checkHasNext);
if(matches2)
{
cond = 'for each';
condition = b.firstNextValue+' in '+matches2[1];
}
}
tempStr2 = '';
var hasstatement:Array = [(b.flow1.length > 0) && (b.source1.length > 0),(b.flow2.length > 0) && (b.source2.length > 0)];
if(hasstatement[0])
{
if(hasstatement[1])
{
var matches3:Array = b.source1.match(/^[\s]*(if\([^)]+\)[\s]*{.*}[\s]*$)/s);
var elseBlock:String;
if(matches3)
{
elseBlock = 'else '+matches3[1].replace(/^\t/gm, '');
}
else
{
elseBlock = 'else\n{\n'+b.source1+'\n}';
}
tempStr2 = cond+'('+condition+')\n{\n'+b.source2+'\n}\n'+elseBlock;
}
else
{
tempStr2 = cond+'(!('+condition+'))\n{\n'+b.source1+'\n}';
}
}
else
{
if(hasstatement[1])
{
tempStr2 = cond+'('+condition+')\n{\n'+b.source2+'\n}';
}
}
source = tempStr2;
if(b.merge > 0)
{
iter = b.merge - 1;
}
if(showBranchInfo)
{
source = '//'+key2+'\n'+source;
}
if(cached)
{
if(showBranchInfo)
{
source = '[CACHED]\n'+source;
}
}
else
{
cache2[key2] = {b: b};
}
}
function localAssign(id:int):void
{
var tempStr:String = stack.pop();
var coercion:RegExp = /^([\w.]+)\((.*)\)$/i;
var result:Array = tempStr.match(coercion);
tempStr2 = result ? result[1] : '';
tempStr3 = result ? result[2] : tempStr;
if(!definedLocals[id] && tempStr2)
{
tempStr4 = tempStr2.split('.').pop();
tempStr4 = tempStr4.substr(0, 1).toLowerCase() + tempStr4.substr(1);
var tempLocal:String = tempStr4;
var iterTempLocal:uint = 1;
tempStr4 = locals.decidenewvarnamewithprefix(tempLocal);
locals.setName(id, tempStr4);
}