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abc.cpp
2258 lines (2072 loc) · 58.9 KB
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abc.cpp
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/**************************************************************************
Lightspark, a free flash player implementation
Copyright (C) 2009,2010 Alessandro Pignotti (a.pignotti@sssup.it)
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
**************************************************************************/
#include "abc.h"
#include <llvm/Module.h>
#include <llvm/ExecutionEngine/ExecutionEngine.h>
#include <llvm/ExecutionEngine/JIT.h>
#include <llvm/LLVMContext.h>
#include <llvm/Target/TargetData.h>
#include <llvm/Target/TargetSelect.h>
#include <llvm/Analysis/Verifier.h>
#include <llvm/Transforms/Scalar.h>
#include "logger.h"
#include "swftypes.h"
#include <sstream>
#include <limits>
#include "swf.h"
#include "flashevents.h"
#include "flashdisplay.h"
#include "flashnet.h"
#include "flashsystem.h"
#include "flashutils.h"
#include "flashgeom.h"
#include "flashexternal.h"
#include "flashmedia.h"
#include "flashxml.h"
#include "class.h"
#include "exceptions.h"
using namespace std;
using namespace lightspark;
extern TLSDATA SystemState* sys;
TLSDATA Manager* iManager=NULL;
TLSDATA Manager* dManager=NULL;
DoABCTag::DoABCTag(RECORDHEADER h, std::istream& in):ControlTag(h,in)
{
int dest=in.tellg();
dest+=h.getLength();
in >> Flags >> Name;
LOG(LOG_CALLS,"DoABCTag Name: " << Name);
context=new ABCContext(in);
int pos=in.tellg();
if(dest!=pos)
{
LOG(LOG_ERROR,"Corrupted ABC data: missing " << dest-in.tellg());
throw ParseException("Not complete ABC data");
}
}
void DoABCTag::execute(RootMovieClip*)
{
LOG(LOG_CALLS,"ABC Exec " << Name);
sys->currentVm->addEvent(NULL,new ABCContextInitEvent(context));
SynchronizationEvent* se=new SynchronizationEvent;
bool added=sys->currentVm->addEvent(NULL,se);
if(!added)
{
se->decRef();
throw RunTimeException("Could not add event");
}
se->wait();
se->decRef();
}
SymbolClassTag::SymbolClassTag(RECORDHEADER h, istream& in):ControlTag(h,in)
{
LOG(LOG_TRACE,"SymbolClassTag");
in >> NumSymbols;
Tags.resize(NumSymbols);
Names.resize(NumSymbols);
for(int i=0;i<NumSymbols;i++)
in >> Tags[i] >> Names[i];
}
void SymbolClassTag::execute(RootMovieClip* root)
{
LOG(LOG_TRACE,"SymbolClassTag Exec");
for(int i=0;i<NumSymbols;i++)
{
LOG(LOG_CALLS,"Binding " << Tags[i] << ' ' << Names[i]);
if(Tags[i]==0)
{
//We have to bind this root movieclip itself, let's tell it.
//This will be done later
root->bindToName((const char*)Names[i]);
}
else
{
DictionaryTag* t=root->dictionaryLookup(Tags[i]);
ASObject* base=dynamic_cast<ASObject*>(t);
assert(base!=NULL);
sys->currentVm->addEvent(NULL,new BindClassEvent(base,(const char*)Names[i]));
}
}
}
ASFUNCTIONBODY(ABCVm,print)
{
cerr << args[0]->toString() << endl;
return new Null;
}
void ABCVm::pushObjAndLevel(ASObject* o, int l)
{
method_this_stack.push_back(thisAndLevel(o,l));
}
thisAndLevel ABCVm::popObjAndLevel()
{
thisAndLevel ret=method_this_stack.back();
method_this_stack.pop_back();
return ret;
}
void ABCVm::registerClasses()
{
//Register predefined types, ASObject are enough for not implemented classes
Global.setVariableByQName("Object","",Class<ASObject>::getClass());
Global.setVariableByQName("Class","",Class_object::getClass());
Global.setVariableByQName("Number","",new Number(0.0));
Global.setVariableByQName("Boolean","",new Boolean(false));
Global.setVariableByQName("NaN","",new Number(numeric_limits<double>::quiet_NaN()));
Global.setVariableByQName("Infinity","",new Number(numeric_limits<double>::infinity()));
Global.setVariableByQName("String","",Class<ASString>::getClass());
Global.setVariableByQName("Array","",Class<Array>::getClass());
Global.setVariableByQName("Function","",Class_function::getClass());
Global.setVariableByQName("undefined","",new Undefined);
Global.setVariableByQName("Math","",Class<Math>::getClass());
Global.setVariableByQName("Date","",Class<Date>::getClass());
Global.setVariableByQName("RegExp","",Class<RegExp>::getClass());
Global.setVariableByQName("QName","",Class<ASQName>::getClass());
Global.setVariableByQName("uint","",Class<UInteger>::getClass("uint"));
Global.setVariableByQName("print","",new Function(print));
Global.setVariableByQName("trace","",new Function(print));
Global.setVariableByQName("parseInt","",new Function(parseInt));
Global.setVariableByQName("parseFloat","",new Function(parseFloat));
Global.setVariableByQName("int","",new Function(_int));
Global.setVariableByQName("unescape","",new Function(unescape));
Global.setVariableByQName("toString","",new Function(ASObject::_toString));
Global.setVariableByQName("MovieClip","flash.display",Class<MovieClip>::getClass());
Global.setVariableByQName("DisplayObject","flash.display",Class<DisplayObject>::getClass());
Global.setVariableByQName("Loader","flash.display",Class<Loader>::getClass());
Global.setVariableByQName("LoaderInfo","flash.display",Class<LoaderInfo>::getClass());
Global.setVariableByQName("SimpleButton","flash.display",new ASObject);
Global.setVariableByQName("InteractiveObject","flash.display",Class<ASObject>::getClass("InteractiveObject")),
Global.setVariableByQName("DisplayObjectContainer","flash.display",Class<DisplayObjectContainer>::getClass());
Global.setVariableByQName("Sprite","flash.display",Class<Sprite>::getClass());
Global.setVariableByQName("Shape","flash.display",Class<Shape>::getClass());
Global.setVariableByQName("Stage","flash.display",Class<Stage>::getClass());
Global.setVariableByQName("Graphics","flash.display",Class<Graphics>::getClass());
Global.setVariableByQName("LineScaleMode","flash.display",Class<LineScaleMode>::getClass());
Global.setVariableByQName("StageScaleMode","flash.display",Class<StageScaleMode>::getClass());
Global.setVariableByQName("StageAlign","flash.display",Class<StageAlign>::getClass());
Global.setVariableByQName("IBitmapDrawable","flash.display",Class<ASObject>::getClass("IBitmapDrawable"));
Global.setVariableByQName("BitmapData","flash.display",Class<ASObject>::getClass("BitmapData"));
Global.setVariableByQName("Bitmap","flash.display",Class<Bitmap>::getClass());
Global.setVariableByQName("DropShadowFilter","flash.filters",Class<ASObject>::getClass("DropShadowFilter"));
Global.setVariableByQName("TextField","flash.text",Class<TextField>::getClass());
Global.setVariableByQName("TextFormat","flash.text",Class<ASObject>::getClass("TextFormat"));
Global.setVariableByQName("TextFieldType","flash.text",Class<ASObject>::getClass("TextFieldType"));
Global.setVariableByQName("Font","flash.text",Class<Font>::getClass());
Global.setVariableByQName("XMLDocument","flash.xml",Class<XMLDocument>::getClass());
Global.setVariableByQName("ExternalInterface","flash.external",Class<ExternalInterface>::getClass());
Global.setVariableByQName("ByteArray","flash.utils",Class<ByteArray>::getClass());
Global.setVariableByQName("Dictionary","flash.utils",Class<Dictionary>::getClass());
Global.setVariableByQName("Proxy","flash.utils",Class<Proxy>::getClass());
Global.setVariableByQName("Timer","flash.utils",Class<Timer>::getClass());
Global.setVariableByQName("getQualifiedClassName","flash.utils",new Function(getQualifiedClassName));
Global.setVariableByQName("getQualifiedSuperclassName","flash.utils",new Function(getQualifiedSuperclassName));
Global.setVariableByQName("getDefinitionByName","flash.utils",new Function(getDefinitionByName));
Global.setVariableByQName("getTimer","flash.utils",new Function(getTimer));
Global.setVariableByQName("ColorTransform","flash.geom",Class<ColorTransform>::getClass());
Global.setVariableByQName("Rectangle","flash.geom",Class<Rectangle>::getClass());
Global.setVariableByQName("Matrix","flash.geom",Class<ASObject>::getClass("Matrix"));
Global.setVariableByQName("Transform","flash.geom",Class<Transform>::getClass());
Global.setVariableByQName("Point","flash.geom",Class<Point>::getClass());
Global.setVariableByQName("EventDispatcher","flash.events",Class<EventDispatcher>::getClass());
Global.setVariableByQName("Event","flash.events",Class<Event>::getClass());
Global.setVariableByQName("MouseEvent","flash.events",Class<MouseEvent>::getClass());
Global.setVariableByQName("ProgressEvent","flash.events",Class<ProgressEvent>::getClass());
Global.setVariableByQName("TimerEvent","flash.events",Class<TimerEvent>::getClass());
Global.setVariableByQName("IOErrorEvent","flash.events",Class<IOErrorEvent>::getClass());
Global.setVariableByQName("ErrorEvent","flash.events",Class<ErrorEvent>::getClass());
Global.setVariableByQName("SecurityErrorEvent","flash.events",Class<SecurityErrorEvent>::getClass());
Global.setVariableByQName("AsyncErrorEvent","flash.events",Class<AsyncErrorEvent>::getClass());
Global.setVariableByQName("FullScreenEvent","flash.events",Class<FullScreenEvent>::getClass());
Global.setVariableByQName("TextEvent","flash.events",Class<TextEvent>::getClass());
Global.setVariableByQName("IEventDispatcher","flash.events",Class<IEventDispatcher>::getClass());
Global.setVariableByQName("FocusEvent","flash.events",Class<FocusEvent>::getClass());
Global.setVariableByQName("NetStatusEvent","flash.events",Class<NetStatusEvent>::getClass());
Global.setVariableByQName("KeyboardEvent","flash.events",Class<KeyboardEvent>::getClass());
Global.setVariableByQName("LocalConnection","flash.net",new ASObject);
Global.setVariableByQName("NetConnection","flash.net",Class<NetConnection>::getClass());
Global.setVariableByQName("NetStream","flash.net",Class<NetStream>::getClass());
Global.setVariableByQName("URLLoader","flash.net",Class<URLLoader>::getClass());
Global.setVariableByQName("URLLoaderDataFormat","flash.net",Class<URLLoaderDataFormat>::getClass());
Global.setVariableByQName("URLRequest","flash.net",Class<URLRequest>::getClass());
Global.setVariableByQName("URLVariables","flash.net",Class<URLVariables>::getClass());
Global.setVariableByQName("SharedObject","flash.net",Class<SharedObject>::getClass());
Global.setVariableByQName("ObjectEncoding","flash.net",Class<ObjectEncoding>::getClass());
Global.setVariableByQName("Capabilities","flash.system",Class<Capabilities>::getClass());
Global.setVariableByQName("Security","flash.system",Class<Security>::getClass());
Global.setVariableByQName("ApplicationDomain","flash.system",Class<ApplicationDomain>::getClass());
Global.setVariableByQName("LoaderContext","flash.system",Class<ASObject>::getClass("LoaderContext"));
Global.setVariableByQName("SoundTransform","flash.media",Class<SoundTransform>::getClass());
Global.setVariableByQName("Video","flash.media",Class<Video>::getClass());
Global.setVariableByQName("Sound","flash.media",Class<Sound>::getClass());
Global.setVariableByQName("ContextMenu","flash.ui",Class<ASObject>::getClass("ContextMenu"));
Global.setVariableByQName("ContextMenuItem","flash.ui",Class<ASObject>::getClass("ContextMenuItem"));
Global.setVariableByQName("isNaN","",new Function(isNaN));
}
//This function is used at compile time
int ABCContext::getMultinameRTData(int mi) const
{
if(mi==0)
return 0;
const multiname_info* m=&constant_pool.multinames[mi];
switch(m->kind)
{
case 0x07:
case 0x09:
case 0x0e:
return 0;
case 0x0f:
case 0x1b:
return 1;
/* case 0x0d:
LOG(CALLS, "QNameA");
break;
case 0x10:
LOG(CALLS, "RTQNameA");
break;
case 0x11:
LOG(CALLS, "RTQNameL");
break;
case 0x12:
LOG(CALLS, "RTQNameLA");
break;
case 0x1c:
LOG(CALLS, "MultinameLA");
break;*/
default:
LOG(LOG_ERROR,"getMultinameRTData not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("kind not implemented for getMultinameRTData");
}
}
//Pre: we already know that n is not zero and that we are going to use an RT multiname from getMultinameRTData
multiname* ABCContext::s_getMultiname_d(call_context* th, number_t rtd, int n)
{
//We are allowed to access only the ABCContext, as the stack is not synced
multiname* ret;
multiname_info* m=&th->context->constant_pool.multinames[n];
if(m->cached==NULL)
{
m->cached=new multiname;
ret=m->cached;
switch(m->kind)
{
case 0x1b:
{
const ns_set_info* s=&th->context->constant_pool.ns_sets[m->ns_set];
ret->ns.reserve(s->count);
for(unsigned int i=0;i<s->count;i++)
{
const namespace_info* n=&th->context->constant_pool.namespaces[s->ns[i]];
ret->ns.push_back(nsNameAndKind(th->context->getString(n->name),n->kind));
}
sort(ret->ns.begin(),ret->ns.end());
ret->name_d=rtd;
ret->name_type=multiname::NAME_NUMBER;
break;
}
default:
LOG(LOG_ERROR,"Multiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
return ret;
}
else
{
ret=m->cached;
switch(m->kind)
{
case 0x1b:
{
ret->name_d=rtd;
ret->name_type=multiname::NAME_NUMBER;
break;
}
default:
LOG(LOG_ERROR,"Multiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
return ret;
}
}
multiname* ABCContext::s_getMultiname(call_context* th, ASObject* rt1, int n)
{
//We are allowe to access only the ABCContext, as the stack is not synced
multiname* ret;
if(n==0)
{
ret=new multiname;
ret->name_s="any";
ret->name_type=multiname::NAME_STRING;
return ret;
}
multiname_info* m=&th->context->constant_pool.multinames[n];
if(m->cached==NULL)
{
m->cached=new multiname;
ret=m->cached;
switch(m->kind)
{
case 0x07:
{
const namespace_info* n=&th->context->constant_pool.namespaces[m->ns];
assert(n->name);
ret->ns.push_back(nsNameAndKind(th->context->getString(n->name),n->kind));
ret->name_s=th->context->getString(m->name);
ret->name_type=multiname::NAME_STRING;
break;
}
case 0x09:
{
const ns_set_info* s=&th->context->constant_pool.ns_sets[m->ns_set];
ret->ns.reserve(s->count);
for(unsigned int i=0;i<s->count;i++)
{
const namespace_info* n=&th->context->constant_pool.namespaces[s->ns[i]];
ret->ns.push_back(nsNameAndKind(th->context->getString(n->name),n->kind));
}
sort(ret->ns.begin(),ret->ns.end());
ret->name_s=th->context->getString(m->name);
ret->name_type=multiname::NAME_STRING;
break;
}
case 0x1b:
{
const ns_set_info* s=&th->context->constant_pool.ns_sets[m->ns_set];
ret->ns.reserve(s->count);
for(unsigned int i=0;i<s->count;i++)
{
const namespace_info* n=&th->context->constant_pool.namespaces[s->ns[i]];
ret->ns.push_back(nsNameAndKind(th->context->getString(n->name),n->kind));
}
sort(ret->ns.begin(),ret->ns.end());
if(rt1->getObjectType()==T_INTEGER)
{
Integer* o=static_cast<Integer*>(rt1);
ret->name_i=o->val;
ret->name_type=multiname::NAME_INT;
}
else if(rt1->getObjectType()==T_NUMBER)
{
Number* o=static_cast<Number*>(rt1);
ret->name_d=o->val;
ret->name_type=multiname::NAME_NUMBER;
}
else if(rt1->getObjectType()==T_QNAME)
{
ASQName* qname=static_cast<ASQName*>(rt1);
ret->name_s=qname->local_name;
ret->name_type=multiname::NAME_STRING;
}
else if(rt1->getObjectType()==T_OBJECT
|| rt1->getObjectType()==T_CLASS
|| rt1->getObjectType()==T_FUNCTION)
{
ret->name_o=rt1;
ret->name_type=multiname::NAME_OBJECT;
rt1->incRef();
}
else if(rt1->getObjectType()==T_STRING)
{
ASString* o=static_cast<ASString*>(rt1);
ret->name_s=o->data;
ret->name_type=multiname::NAME_STRING;
}
else
{
throw UnsupportedException("Multiname to String not implemented");
//ret->name_s=rt1->toString();
//ret->name_type=multiname::NAME_STRING;
}
rt1->decRef();
break;
}
case 0x0f: //RTQName
{
assert(rt1->prototype==Class<Namespace>::getClass());
Namespace* tmpns=static_cast<Namespace*>(rt1);
//TODO: What is the right ns kind?
ret->ns.push_back(nsNameAndKind(tmpns->uri,0x08));
ret->name_type=multiname::NAME_STRING;
ret->name_s=th->context->getString(m->name);
rt1->decRef();
break;
}
/* case 0x0d:
LOG(CALLS, "QNameA");
break;
case 0x10:
LOG(CALLS, "RTQNameA");
break;
case 0x11:
LOG(CALLS, "RTQNameL");
break;
case 0x12:
LOG(CALLS, "RTQNameLA");
break;
case 0x0e:
LOG(CALLS, "MultinameA");
break;
case 0x1c:
LOG(CALLS, "MultinameLA");
break;*/
default:
LOG(LOG_ERROR,"Multiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
return ret;
}
else
{
ret=m->cached;
switch(m->kind)
{
case 0x07:
case 0x09:
{
//Nothing to do, the cached value is enough
break;
}
case 0x1b:
{
if(rt1->getObjectType()==T_INTEGER)
{
Integer* o=static_cast<Integer*>(rt1);
ret->name_i=o->val;
ret->name_type=multiname::NAME_INT;
}
else if(rt1->getObjectType()==T_NUMBER)
{
Number* o=static_cast<Number*>(rt1);
ret->name_d=o->val;
ret->name_type=multiname::NAME_NUMBER;
}
else if(rt1->getObjectType()==T_QNAME)
{
ASQName* qname=static_cast<ASQName*>(rt1);
ret->name_s=qname->local_name;
ret->name_type=multiname::NAME_STRING;
}
else if(rt1->getObjectType()==T_OBJECT
|| rt1->getObjectType()==T_CLASS
|| rt1->getObjectType()==T_FUNCTION)
{
ret->name_o=rt1;
ret->name_type=multiname::NAME_OBJECT;
rt1->incRef();
}
else if(rt1->getObjectType()==T_STRING)
{
ASString* o=static_cast<ASString*>(rt1);
ret->name_s=o->data;
ret->name_type=multiname::NAME_STRING;
}
else if(rt1->getObjectType()==T_UNDEFINED ||
rt1->getObjectType()==T_NULL)
{
ret->name_s="undefined";
ret->name_type=multiname::NAME_STRING;
}
else
{
throw UnsupportedException("getMultiname not completely implemented");
//ret->name_s=rt1->toString();
//ret->name_type=multiname::NAME_STRING;
}
rt1->decRef();
break;
}
case 0x0f: //RTQName
{
//Reset the namespaces
ret->ns.clear();
assert(rt1->prototype==Class<Namespace>::getClass());
Namespace* tmpns=static_cast<Namespace*>(rt1);
//TODO: What is the right ns kind?
ret->ns.push_back(nsNameAndKind(tmpns->uri,0x08));
rt1->decRef();
break;
}
/* case 0x0d:
LOG(CALLS, "QNameA");
break;
case 0x10:
LOG(CALLS, "RTQNameA");
break;
case 0x11:
LOG(CALLS, "RTQNameL");
break;
case 0x12:
LOG(CALLS, "RTQNameLA");
break;
case 0x0e:
LOG(CALLS, "MultinameA");
break;
case 0x1c:
LOG(CALLS, "MultinameLA");
break;*/
default:
LOG(LOG_ERROR,"Multiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
return ret;
}
}
//Pre: we already know that n is not zero and that we are going to use an RT multiname from getMultinameRTData
multiname* ABCContext::s_getMultiname_i(call_context* th, uintptr_t rti, int n)
{
//We are allowed to access only the ABCContext, as the stack is not synced
multiname* ret;
multiname_info* m=&th->context->constant_pool.multinames[n];
if(m->cached==NULL)
{
m->cached=new multiname;
ret=m->cached;
switch(m->kind)
{
case 0x1b:
{
const ns_set_info* s=&th->context->constant_pool.ns_sets[m->ns_set];
ret->ns.reserve(s->count);
for(unsigned int i=0;i<s->count;i++)
{
const namespace_info* n=&th->context->constant_pool.namespaces[s->ns[i]];
ret->ns.push_back(nsNameAndKind(th->context->getString(n->name),n->kind));
}
sort(ret->ns.begin(),ret->ns.end());
ret->name_i=rti;
ret->name_type=multiname::NAME_INT;
break;
}
default:
LOG(LOG_ERROR,"Multiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
return ret;
}
else
{
ret=m->cached;
switch(m->kind)
{
case 0x1b:
{
ret->name_i=rti;
ret->name_type=multiname::NAME_INT;
break;
}
default:
LOG(LOG_ERROR,"Multiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
return ret;
}
}
multiname* ABCContext::getMultiname(unsigned int n, call_context* th)
{
multiname* ret;
multiname_info* m=&constant_pool.multinames[n];
if(m->cached==NULL)
{
m->cached=new multiname;
ret=m->cached;
if(n==0)
{
ret->name_s="any";
ret->name_type=multiname::NAME_STRING;
return ret;
}
switch(m->kind)
{
case 0x07:
{
const namespace_info* n=&constant_pool.namespaces[m->ns];
if(n->name)
ret->ns.push_back(nsNameAndKind(getString(n->name),n->kind));
else
ret->ns.push_back(nsNameAndKind("",n->kind));
ret->name_s=getString(m->name);
ret->name_type=multiname::NAME_STRING;
break;
}
case 0x09:
{
const ns_set_info* s=&constant_pool.ns_sets[m->ns_set];
ret->ns.reserve(s->count);
for(unsigned int i=0;i<s->count;i++)
{
const namespace_info* n=&constant_pool.namespaces[s->ns[i]];
ret->ns.push_back(nsNameAndKind(getString(n->name),n->kind));
}
sort(ret->ns.begin(),ret->ns.end());
ret->name_s=getString(m->name);
ret->name_type=multiname::NAME_STRING;
break;
}
case 0x1b:
{
const ns_set_info* s=&constant_pool.ns_sets[m->ns_set];
ret->ns.reserve(s->count);
for(unsigned int i=0;i<s->count;i++)
{
const namespace_info* n=&constant_pool.namespaces[s->ns[i]];
ret->ns.push_back(nsNameAndKind(getString(n->name),n->kind));
}
sort(ret->ns.begin(),ret->ns.end());
ASObject* n=th->runtime_stack_pop();
if(n->getObjectType()==T_INTEGER)
{
Integer* o=static_cast<Integer*>(n);
ret->name_i=o->val;
ret->name_type=multiname::NAME_INT;
}
else if(n->getObjectType()==T_NUMBER)
{
Number* o=static_cast<Number*>(n);
ret->name_d=o->val;
ret->name_type=multiname::NAME_NUMBER;
}
else if(n->getObjectType()==T_QNAME)
{
ASQName* qname=static_cast<ASQName*>(n);
ret->name_s=qname->local_name;
ret->name_type=multiname::NAME_STRING;
}
else if(n->getObjectType()==T_OBJECT)
{
ret->name_o=n;
ret->name_type=multiname::NAME_OBJECT;
n->incRef();
}
else if(n->getObjectType()==T_STRING)
{
ASString* o=static_cast<ASString*>(n);
ret->name_s=o->data;
ret->name_type=multiname::NAME_STRING;
}
else
{
ret->name_s=n->toString();
ret->name_type=multiname::NAME_STRING;
}
n->decRef();
break;
}
case 0x0f: //RTQName
{
ASObject* n=th->runtime_stack_pop();
assert(n->prototype==Class<Namespace>::getClass());
Namespace* tmpns=static_cast<Namespace*>(n);
//TODO: What is the right ns kind?
ret->ns.push_back(nsNameAndKind(tmpns->uri,0x08));
ret->name_type=multiname::NAME_STRING;
ret->name_s=getString(m->name);
n->decRef();
break;
}
case 0x1d:
{
assert(m->param_types.size()==1);
multiname_info* td=&constant_pool.multinames[m->type_definition];
//multiname_info* p=&constant_pool.multinames[m->param_types[0]];
const namespace_info* n=&constant_pool.namespaces[td->ns];
ret->ns.push_back(nsNameAndKind(getString(n->name),n->kind));
ret->name_s=getString(td->name);
ret->name_type=multiname::NAME_STRING;
break;
}
/* case 0x0d:
LOG(CALLS, "QNameA");
break;
case 0x10:
LOG(CALLS, "RTQNameA");
break;
case 0x11:
LOG(CALLS, "RTQNameL");
break;
case 0x12:
LOG(CALLS, "RTQNameLA");
break;
case 0x0e:
LOG(CALLS, "MultinameA");
break;
case 0x1c:
LOG(CALLS, "MultinameLA");
break;*/
default:
LOG(LOG_ERROR,"Multiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
return ret;
}
else
{
ret=m->cached;
if(n==0)
return ret;
switch(m->kind)
{
case 0x1d: //Generics, still not implemented
case 0x07:
case 0x09:
{
//Nothing to do, the cached value is enough
break;
}
case 0x1b:
{
ASObject* n=th->runtime_stack_pop();
if(n->getObjectType()==T_INTEGER)
{
Integer* o=static_cast<Integer*>(n);
ret->name_i=o->val;
ret->name_type=multiname::NAME_INT;
}
else if(n->getObjectType()==T_NUMBER)
{
Number* o=static_cast<Number*>(n);
ret->name_d=o->val;
ret->name_type=multiname::NAME_NUMBER;
}
else if(n->getObjectType()==T_QNAME)
{
ASQName* qname=static_cast<ASQName*>(n);
ret->name_s=qname->local_name;
ret->name_type=multiname::NAME_STRING;
}
else if(n->getObjectType()==T_OBJECT
|| n->getObjectType()==T_CLASS
|| n->getObjectType()==T_FUNCTION)
{
ret->name_o=n;
ret->name_type=multiname::NAME_OBJECT;
n->incRef();
}
else if(n->getObjectType()==T_STRING)
{
ASString* o=static_cast<ASString*>(n);
ret->name_s=o->data;
ret->name_type=multiname::NAME_STRING;
}
else
{
ret->name_s=n->toString();
ret->name_type=multiname::NAME_STRING;
}
n->decRef();
break;
}
case 0x0f: //RTQName
{
ASObject* n=th->runtime_stack_pop();
//Reset the namespaces
ret->ns.clear();
assert(n->prototype==Class<Namespace>::getClass());
Namespace* tmpns=static_cast<Namespace*>(n);
//TODO: What is the right kind?
ret->ns.push_back(nsNameAndKind(tmpns->uri,0x08));
n->decRef();
break;
}
/* case 0x0d:
LOG(CALLS, "QNameA");
break;
case 0x10:
LOG(CALLS, "RTQNameA");
break;
case 0x11:
LOG(CALLS, "RTQNameL");
break;
case 0x12:
LOG(CALLS, "RTQNameLA");
break;
case 0x0e:
LOG(CALLS, "MultinameA");
break;
case 0x1c:
LOG(CALLS, "MultinameLA");
break;*/
default:
LOG(LOG_ERROR,"dMultiname to String not yet implemented for this kind " << hex << m->kind);
throw UnsupportedException("Multiname to String not implemented");
}
ret->name_s.len();
return ret;
}
}
ABCContext::ABCContext(istream& in)
{
in >> minor >> major;
LOG(LOG_CALLS,"ABCVm version " << major << '.' << minor);
in >> constant_pool;
in >> method_count;
methods.resize(method_count);
for(unsigned int i=0;i<method_count;i++)
{
in >> methods[i];
methods[i].context=this;
}
in >> metadata_count;
metadata.resize(metadata_count);
for(unsigned int i=0;i<metadata_count;i++)
in >> metadata[i];
in >> class_count;
instances.resize(class_count);
for(unsigned int i=0;i<class_count;i++)
{
in >> instances[i];
LOG(LOG_CALLS,"Class " << *getMultiname(instances[i].name,NULL));
LOG(LOG_CALLS,"Flags:");
if((instances[i].flags)&0x01)
LOG(LOG_CALLS,"\tSealed");
if((instances[i].flags)&0x02)
LOG(LOG_CALLS,"\tFinal");
if((instances[i].flags)&0x04)
LOG(LOG_CALLS,"\tInterface");
if((instances[i].flags)&0x08)
LOG(LOG_CALLS,"\tProtectedNS " << getString(constant_pool.namespaces[instances[i].protectedNs].name));
if(instances[i].supername)
LOG(LOG_CALLS,"Super " << *getMultiname(instances[i].supername,NULL));
if(instances[i].interface_count)
{
LOG(LOG_CALLS,"Implements");
for(unsigned int j=0;j<instances[i].interfaces.size();j++)
{
LOG(LOG_CALLS,"\t" << *getMultiname(instances[i].interfaces[j],NULL));
}
}
LOG(LOG_CALLS,endl);
}
classes.resize(class_count);
for(unsigned int i=0;i<class_count;i++)
in >> classes[i];
in >> script_count;
scripts.resize(script_count);
for(unsigned int i=0;i<script_count;i++)
in >> scripts[i];
in >> method_body_count;
method_body.resize(method_body_count);
for(unsigned int i=0;i<method_body_count;i++)
{
in >> method_body[i];
//Link method body with method signature
if(methods[method_body[i].method].body!=NULL)
throw ParseException("Duplicated body for function");
else
methods[method_body[i].method].body=&method_body[i];
}
}
ABCVm::ABCVm(SystemState* s):m_sys(s),terminated(false),shutdown(false)
{
sem_init(&event_queue_mutex,0,1);
sem_init(&sem_event_count,0,0);
m_sys=s;
int_manager=new Manager;
number_manager=new Manager;
//Push a dummy default context
pushObjAndLevel(new ASObject,0);
pthread_create(&t,NULL,(thread_worker)Run,this);
}
ABCVm::~ABCVm()
{
//signal potentially blocking semaphores
shutdown=true;
sem_post(&sem_event_count);
wait();
sem_destroy(&sem_event_count);
sem_destroy(&event_queue_mutex);
//assert(Global.ref_count==0);
}
void ABCVm::wait()
{
if(!terminated)
{
if(pthread_join(t,NULL)!=0)
abort();
terminated=true;
}
}
int ABCVm::getEventQueueSize()
{
return events_queue.size();
}
void ABCVm::handleEvent()
{
sem_wait(&event_queue_mutex);
pair<EventDispatcher*,Event*> e=events_queue.front();
events_queue.pop_front();
sem_post(&event_queue_mutex);
e.second->check();
if(e.first)
{
e.first->handleEvent(e.second);
e.first->decRef();
}
else
{
//Should be handled by the Vm itself
switch(e.second->getEventType())
{
case BIND_CLASS:
{
BindClassEvent* ev=static_cast<BindClassEvent*>(e.second);
bool isRoot= ev->base==sys;
LOG(LOG_CALLS,"Binding of " << ev->class_name);
buildClassAndInjectBase(ev->class_name.raw_buf(),ev->base,NULL,0,isRoot);
LOG(LOG_CALLS,"End of binding of " << ev->class_name);
break;
}
case SHUTDOWN:
shutdown=true;
break;
case SYNC:
{
SynchronizationEvent* ev=static_cast<SynchronizationEvent*>(e.second);
ev->sync();
break;
}
/*case FUNCTION: