WebSVN – HomeAutomation – Diff – /trunk/PcSoftware/Atom1.5/src/vm/Manager.cpp


/*
 *
 *  Copyright (C) 2010  Mattias Runge
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 */
 
#include "Manager.h"
 
#include <fstream>
 
#include <boost/lexical_cast.hpp>
#include <boost/bind.hpp>
 
namespace atom {
namespace vm {
 
Manager::Pointer Manager::instance_;
 
Manager::Manager() : LOG("vm::Manager")
{
}
 
Manager::~Manager()
{
    this->io_service_.stop();
   
    this->plugins_.clear();
    this->context_.Dispose();
 
    for (ImportFunctionList::iterator it = this->functions_.begin(); it != this->functions_.end(); it++)
    {
        it->second.Dispose();
    }
}
 
void Manager::Create()
{
    Manager::instance_ = Manager::Pointer(new Manager());
}
 
Manager::Pointer Manager::Instance()
{
    return Manager::instance_;
}
 
void Manager::Delete()
{
    Manager::instance_.reset();
}
 
v8::Persistent<v8::Context>& Manager::GetContext()
{
    return this->context_;
}
 
void Manager::AddPlugin(Plugin::Pointer plugin)
{
    this->plugins_.push_back(plugin);
}
 
void Manager::Start(std::string script_path)
{
    this->script_path_ = script_path;
    this->io_service_.post(boost::bind(&Manager::StartHandler, this));
}
 
void Manager::SendResponse(std::string plugin_name, unsigned int request_id, std::string response)
{
    for (unsigned int n = 0; n < this->plugins_.size(); n++)
    {
        if (this->plugins_[n]->GetName() == plugin_name)
        {
            this->plugins_[n]->ExecutionResult(response, request_id);
            return;
        }
    }
}
 
void Manager::Call(std::string plugin_name, unsigned int request_id, std::string name, ArgumentListPointer arguments)
{
    this->io_service_.post(boost::bind(&Manager::CallHandler, this, plugin_name, request_id, name, arguments));
}
 
void Manager::Execute(std::string plugin_name, unsigned int request_id, std::string code)
{
    this->io_service_.post(boost::bind(&Manager::ExecuteHandler, this, plugin_name, request_id, code));
}
 
void Manager::CallHandler(std::string plugin_name, unsigned int request_id, std::string name, ArgumentListPointer arguments)
{
    v8::Context::Scope context_scope(this->context_);
    v8::TryCatch try_catch;
   
    if (this->functions_.find(name) == this->functions_.end())
    {
        this->SendResponse(plugin_name, request_id, "No such function found, " + name);
        return;
    }
 
    //LOG.Debug("Call: " + name);
 
    Value result = this->functions_[name]->Call(this->context_->Global(), arguments->size(), arguments->data());
   
    if (result.IsEmpty())
    {
        this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));
        return;
    }
   
    v8::String::AsciiValue response(result->ToString());
   
    this->SendResponse(plugin_name, request_id, std::string(*response));
}
 
void Manager::StartHandler()
{
    v8::Handle<v8::ObjectTemplate> raw_template = v8::ObjectTemplate::New();
   
    for (unsigned int c = 0; c < this->plugins_.size(); c++)
    {
        ExportFunctionList export_functions = this->plugins_[c]->GetExportFunctions();
       
        for (ExportFunctionList::iterator it = export_functions.begin(); it != export_functions.end(); it++)
        {
            raw_template->Set(v8::String::New(it->first.data()), v8::FunctionTemplate::New(it->second));
        }
    }
   
    this->context_ = v8::Context::New(NULL, raw_template);
   
    v8::Context::Scope context_scope(this->context_);
   
    for (unsigned int c = 0; c < this->plugins_.size(); c++)
    {
        this->LoadScript("plugin/" + this->plugins_[c]->GetName() + ".js");
    }
   
    this->object_template_ = v8::Persistent<v8::ObjectTemplate>::New(raw_template);
   
    for (unsigned int c = 0; c < this->plugins_.size(); c++)
    {
        this->plugins_[c]->InitializeDone();
    }
   
    LOG.Info("VM initialized.");
}
 
bool Manager::ImportFunction(std::string functionname)
{
    v8::Context::Scope context_scope(this->context_);
   
    v8::TryCatch try_catch;
   
    v8::Handle<v8::String> process_name = v8::String::New(functionname.data());
    v8::Handle<v8::Value> process_val = this->context_->Global()->Get(process_name);
   
    if (!process_val->IsFunction())
    {
        LOG.Error(functionname + " was not found to be a function!");
        return false;
    }
   
    v8::Handle<v8::Function> process_fun = v8::Handle<v8::Function>::Cast(process_val);
   
    this->functions_[functionname] = v8::Persistent<v8::Function>::New(process_fun);
   
    return true;
}
 
bool Manager::LoadScript(std::string scriptname)
{
    std::string path = this->script_path_ + scriptname;
    std::ifstream file(path.data());
   
    if (!file.is_open())
    {
        file.close();
        LOG.Warning("Could not load " + scriptname + ".");
        return false;
    }
   
    std::string code = "";
    std::string line;
   
    while (!file.eof())
    {
        std::getline(file, line);
       
        if (file.eof())
        {
            break;
        }
       
        code += line + "\n";
    }
   
    code += "\n";
   
    file.close();
   
    v8::Context::Scope context_scope(this->context_);
   
    v8::TryCatch try_catch;
   
    v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(code.data(), code.length()),
                                                        v8::String::New(scriptname.data(), scriptname.length()));
   
    if (script.IsEmpty())
    {
        LOG.Error(this->FormatException(try_catch));
        return false;
    }
    else
    {
        Value result = script->Run();
       
        if (result.IsEmpty())
        {
            LOG.Error(this->FormatException(try_catch));
            return false;
        }
    }
   
    LOG.Info("Loaded " + scriptname + " successfully.");
    return true;
}
 
void Manager::ExecuteHandler(std::string plugin_name, unsigned int request_id, std::string code)
{
    std::string scriptname = "execute_" + plugin_name + ".js";
   
    v8::Context::Scope context_scope(this->context_);
   
    v8::TryCatch try_catch;
   
    v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(code.data(), code.length()),
                                                        v8::String::New(scriptname.data(), scriptname.length()));
   
    if (script.IsEmpty())
    {
        this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));
    }
    else
    {
        Value result = script->Run();
       
        if (result.IsEmpty())
        {
            this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));
        }
        else
        {
            v8::String::AsciiValue response(result->ToString());
           
            this->SendResponse(plugin_name, request_id, std::string(*response));
        }
    }
}
 
std::string Manager::FormatException(v8::TryCatch& try_catch)
{
    v8::Context::Scope context_scope(this->context_);
   
    std::string result;
   
    v8::HandleScope handle_scope;
    v8::String::Utf8Value exception(try_catch.Exception());
    v8::Handle<v8::Message> message = try_catch.Message();
   
    if (message.IsEmpty())
    {
        result = *exception;
    }
    else
    {
        v8::String::Utf8Value filename(message->GetScriptResourceName());
       
        result = std::string(*filename) + ":" + boost::lexical_cast<std::string>(message->GetLineNumber()) + ": " + std::string(*exception);
       
        /*v8::String::Utf8Value sourceline(message->GetSourceLine());
        string strSourceline = *sourceline;
       
        result += strSourceline + "\n";
       
        string underline = rpad("", message->GetStartColumn(), ' ');
        underline = rpad(underline, message->GetEndColumn(), '^');
       
        result += underline + "\n";*/
    }
   
    return result;
}
   
}; // namespace vm
}; // namespace atom
 

Subversion Repositories HomeAutomation

(root)/trunk/PcSoftware/Atom1.5/src/vm/Manager.cpp – Rev 1625 → 1642

Rev 1625		Rev 1642
1	/*	1	/*
2	*	2	*
3	* Copyright (C) 2010 Mattias Runge	3	* Copyright (C) 2010 Mattias Runge
4	*	4	*
5	* This program is free software; you can redistribute it and/or modify	5	* This program is free software; you can redistribute it and/or modify
6	* it under the terms of the GNU General Public License as published by	6	* it under the terms of the GNU General Public License as published by
7	* the Free Software Foundation; either version 2 of the License, or	7	* the Free Software Foundation; either version 2 of the License, or
8	* (at your option) any later version.	8	* (at your option) any later version.
9	*	9	*
10	* This program is distributed in the hope that it will be useful,	10	* This program is distributed in the hope that it will be useful,
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	* GNU General Public License for more details.	13	* GNU General Public License for more details.
14	*	14	*
15	* You should have received a copy of the GNU General Public License along	15	* You should have received a copy of the GNU General Public License along
16	* with this program; if not, write to the Free Software Foundation, Inc.,	16	* with this program; if not, write to the Free Software Foundation, Inc.,
17	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18	*	18	*
19	*/	19	*/
20		20
21	#include "Manager.h"	21	#include "Manager.h"
22		22
23	#include <fstream>	23	#include <fstream>
24		24
25	#include <boost/lexical_cast.hpp>	25	#include <boost/lexical_cast.hpp>
26	#include <boost/bind.hpp>	26	#include <boost/bind.hpp>
27		27
28	namespace atom {	28	namespace atom {
29	namespace vm {	29	namespace vm {
30		30
31	Manager::Pointer Manager::instance_;	31	Manager::Pointer Manager::instance_;
32		32
33	Manager::Manager() : LOG("vm::Manager")	33	Manager::Manager() : LOG("vm::Manager")
34	{	34	{
35	}	35	}
36		36
37	Manager::~Manager()	37	Manager::~Manager()
38	{	38	{
39	this->io_service_.stop();	39	this->io_service_.stop();
40		40
41	this->plugins_.clear();	41	this->plugins_.clear();
42	this->context_.Dispose();	42	this->context_.Dispose();
43		43
44	for (ImportFunctionList::iterator it = this->functions_.begin(); it != this->functions_.end(); it++)	44	for (ImportFunctionList::iterator it = this->functions_.begin(); it != this->functions_.end(); it++)
45	{	45	{
46	it->second.Dispose();	46	it->second.Dispose();
47	}	47	}
48	}	48	}
49		49
50	void Manager::Create()	50	void Manager::Create()
51	{	51	{
52	Manager::instance_ = Manager::Pointer(new Manager());	52	Manager::instance_ = Manager::Pointer(new Manager());
53	}	53	}
54		54
55	Manager::Pointer Manager::Instance()	55	Manager::Pointer Manager::Instance()
56	{	56	{
57	return Manager::instance_;	57	return Manager::instance_;
58	}	58	}
59		59
60	void Manager::Delete()	60	void Manager::Delete()
61	{	61	{
62	Manager::instance_.reset();	62	Manager::instance_.reset();
63	}	63	}
64		64
65	v8::Persistent<v8::Context>& Manager::GetContext()	65	v8::Persistent<v8::Context>& Manager::GetContext()
66	{	66	{
67	return this->context_;	67	return this->context_;
68	}	68	}
69		69
70	void Manager::AddPlugin(Plugin::Pointer plugin)	70	void Manager::AddPlugin(Plugin::Pointer plugin)
71	{	71	{
72	this->plugins_.push_back(plugin);	72	this->plugins_.push_back(plugin);
73	}	73	}
74		74
75	void Manager::Start(std::string script_path)	75	void Manager::Start(std::string script_path)
76	{	76	{
77	this->script_path_ = script_path;	77	this->script_path_ = script_path;
78	this->io_service_.post(boost::bind(&Manager::StartHandler, this));	78	this->io_service_.post(boost::bind(&Manager::StartHandler, this));
79	}	79	}
80		80
81	void Manager::SendResponse(std::string plugin_name, unsigned int request_id, std::string response)	81	void Manager::SendResponse(std::string plugin_name, unsigned int request_id, std::string response)
82	{	82	{
83	for (unsigned int n = 0; n < this->plugins_.size(); n++)	83	for (unsigned int n = 0; n < this->plugins_.size(); n++)
84	{	84	{
85	if (this->plugins_[n]->GetName() == plugin_name)	85	if (this->plugins_[n]->GetName() == plugin_name)
86	{	86	{
87	this->plugins_[n]->ExecutionResult(response, request_id);	87	this->plugins_[n]->ExecutionResult(response, request_id);
88	return;	88	return;
89	}	89	}
90	}	90	}
91	}	91	}
92		92
93	void Manager::Call(std::string plugin_name, unsigned int request_id, std::string name, ArgumentListPointer arguments)	93	void Manager::Call(std::string plugin_name, unsigned int request_id, std::string name, ArgumentListPointer arguments)
94	{	94	{
95	this->io_service_.post(boost::bind(&Manager::CallHandler, this, plugin_name, request_id, name, arguments));	95	this->io_service_.post(boost::bind(&Manager::CallHandler, this, plugin_name, request_id, name, arguments));
96	}	96	}
97		97
98	void Manager::Execute(std::string plugin_name, unsigned int request_id, std::string code)	98	void Manager::Execute(std::string plugin_name, unsigned int request_id, std::string code)
99	{	99	{
100	this->io_service_.post(boost::bind(&Manager::ExecuteHandler, this, plugin_name, request_id, code));	100	this->io_service_.post(boost::bind(&Manager::ExecuteHandler, this, plugin_name, request_id, code));
101	}	101	}
102		102
103	void Manager::CallHandler(std::string plugin_name, unsigned int request_id, std::string name, ArgumentListPointer arguments)	103	void Manager::CallHandler(std::string plugin_name, unsigned int request_id, std::string name, ArgumentListPointer arguments)
104	{	104	{
105	v8::Context::Scope context_scope(this->context_);	105	v8::Context::Scope context_scope(this->context_);
106	v8::TryCatch try_catch;	106	v8::TryCatch try_catch;
107		107
108	if (this->functions_.find(name) == this->functions_.end())	108	if (this->functions_.find(name) == this->functions_.end())
109	{	109	{
110	this->SendResponse(plugin_name, request_id, "No such function found, " + name);	110	this->SendResponse(plugin_name, request_id, "No such function found, " + name);
111	return;	111	return;
112	}	112	}
113		113
114	LOG.Debug("Call: " + name);	114	//LOG.Debug("Call: " + name);
115		115
116	Value result = this->functions_[name]->Call(this->context_->Global(), arguments->size(), arguments->data());	116	Value result = this->functions_[name]->Call(this->context_->Global(), arguments->size(), arguments->data());
117		117
118	if (result.IsEmpty())	118	if (result.IsEmpty())
119	{	119	{
120	this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));	120	this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));
121	return;	121	return;
122	}	122	}
123		123
124	v8::String::AsciiValue response(result->ToString());	124	v8::String::AsciiValue response(result->ToString());
125		125
126	this->SendResponse(plugin_name, request_id, std::string(*response));	126	this->SendResponse(plugin_name, request_id, std::string(*response));
127	}	127	}
128		128
129	void Manager::StartHandler()	129	void Manager::StartHandler()
130	{	130	{
131	v8::Handle<v8::ObjectTemplate> raw_template = v8::ObjectTemplate::New();	131	v8::Handle<v8::ObjectTemplate> raw_template = v8::ObjectTemplate::New();
132		132
133	for (unsigned int c = 0; c < this->plugins_.size(); c++)	133	for (unsigned int c = 0; c < this->plugins_.size(); c++)
134	{	134	{
135	ExportFunctionList export_functions = this->plugins_[c]->GetExportFunctions();	135	ExportFunctionList export_functions = this->plugins_[c]->GetExportFunctions();
136		136
137	for (ExportFunctionList::iterator it = export_functions.begin(); it != export_functions.end(); it++)	137	for (ExportFunctionList::iterator it = export_functions.begin(); it != export_functions.end(); it++)
138	{	138	{
139	raw_template->Set(v8::String::New(it->first.data()), v8::FunctionTemplate::New(it->second));	139	raw_template->Set(v8::String::New(it->first.data()), v8::FunctionTemplate::New(it->second));
140	}	140	}
141	}	141	}
142		142
143	this->context_ = v8::Context::New(NULL, raw_template);	143	this->context_ = v8::Context::New(NULL, raw_template);
144		144
145	v8::Context::Scope context_scope(this->context_);	145	v8::Context::Scope context_scope(this->context_);
146		146
147	for (unsigned int c = 0; c < this->plugins_.size(); c++)	147	for (unsigned int c = 0; c < this->plugins_.size(); c++)
148	{	148	{
149	this->LoadScript("plugin/" + this->plugins_[c]->GetName() + ".js");	149	this->LoadScript("plugin/" + this->plugins_[c]->GetName() + ".js");
150	}	150	}
151		151
152	this->object_template_ = v8::Persistent<v8::ObjectTemplate>::New(raw_template);	152	this->object_template_ = v8::Persistent<v8::ObjectTemplate>::New(raw_template);
153		153
154	for (unsigned int c = 0; c < this->plugins_.size(); c++)	154	for (unsigned int c = 0; c < this->plugins_.size(); c++)
155	{	155	{
156	this->plugins_[c]->InitializeDone();	156	this->plugins_[c]->InitializeDone();
157	}	157	}
158		158
159	LOG.Info("VM initialized.");	159	LOG.Info("VM initialized.");
160	}	160	}
161		161
162	bool Manager::ImportFunction(std::string functionname)	162	bool Manager::ImportFunction(std::string functionname)
163	{	163	{
164	v8::Context::Scope context_scope(this->context_);	164	v8::Context::Scope context_scope(this->context_);
165		165
166	v8::TryCatch try_catch;	166	v8::TryCatch try_catch;
167		167
168	v8::Handle<v8::String> process_name = v8::String::New(functionname.data());	168	v8::Handle<v8::String> process_name = v8::String::New(functionname.data());
169	v8::Handle<v8::Value> process_val = this->context_->Global()->Get(process_name);	169	v8::Handle<v8::Value> process_val = this->context_->Global()->Get(process_name);
170		170
171	if (!process_val->IsFunction())	171	if (!process_val->IsFunction())
172	{	172	{
173	LOG.Error(functionname + " was not found to be a function!");	173	LOG.Error(functionname + " was not found to be a function!");
174	return false;	174	return false;
175	}	175	}
176		176
177	v8::Handle<v8::Function> process_fun = v8::Handle<v8::Function>::Cast(process_val);	177	v8::Handle<v8::Function> process_fun = v8::Handle<v8::Function>::Cast(process_val);
178		178
179	this->functions_[functionname] = v8::Persistent<v8::Function>::New(process_fun);	179	this->functions_[functionname] = v8::Persistent<v8::Function>::New(process_fun);
180		180
181	return true;	181	return true;
182	}	182	}
183		183
184	bool Manager::LoadScript(std::string scriptname)	184	bool Manager::LoadScript(std::string scriptname)
185	{	185	{
186	std::string path = this->script_path_ + scriptname;	186	std::string path = this->script_path_ + scriptname;
187	std::ifstream file(path.data());	187	std::ifstream file(path.data());
188		188
189	if (!file.is_open())	189	if (!file.is_open())
190	{	190	{
191	file.close();	191	file.close();
192	LOG.Warning("Could not load " + scriptname + ".");	192	LOG.Warning("Could not load " + scriptname + ".");
193	return false;	193	return false;
194	}	194	}
195		195
196	std::string code = "";	196	std::string code = "";
197	std::string line;	197	std::string line;
198		198
199	while (!file.eof())	199	while (!file.eof())
200	{	200	{
201	std::getline(file, line);	201	std::getline(file, line);
202		202
203	if (file.eof())	203	if (file.eof())
204	{	204	{
205	break;	205	break;
206	}	206	}
207		207
208	code += line + "\n";	208	code += line + "\n";
209	}	209	}
210		210
211	code += "\n";	211	code += "\n";
212		212
213	file.close();	213	file.close();
214		214
215	v8::Context::Scope context_scope(this->context_);	215	v8::Context::Scope context_scope(this->context_);
216		216
217	v8::TryCatch try_catch;	217	v8::TryCatch try_catch;
218		218
219	v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(code.data(), code.length()),	219	v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(code.data(), code.length()),
220	v8::String::New(scriptname.data(), scriptname.length()));	220	v8::String::New(scriptname.data(), scriptname.length()));
221		221
222	if (script.IsEmpty())	222	if (script.IsEmpty())
223	{	223	{
224	LOG.Error(this->FormatException(try_catch));	224	LOG.Error(this->FormatException(try_catch));
225	return false;	225	return false;
226	}	226	}
227	else	227	else
228	{	228	{
229	Value result = script->Run();	229	Value result = script->Run();
230		230
231	if (result.IsEmpty())	231	if (result.IsEmpty())
232	{	232	{
233	LOG.Error(this->FormatException(try_catch));	233	LOG.Error(this->FormatException(try_catch));
234	return false;	234	return false;
235	}	235	}
236	}	236	}
237		237
238	LOG.Info("Loaded " + scriptname + " successfully.");	238	LOG.Info("Loaded " + scriptname + " successfully.");
239	return true;	239	return true;
240	}	240	}
241		241
242	void Manager::ExecuteHandler(std::string plugin_name, unsigned int request_id, std::string code)	242	void Manager::ExecuteHandler(std::string plugin_name, unsigned int request_id, std::string code)
243	{	243	{
244	std::string scriptname = "execute_" + plugin_name + ".js";	244	std::string scriptname = "execute_" + plugin_name + ".js";
245		245
246	v8::Context::Scope context_scope(this->context_);	246	v8::Context::Scope context_scope(this->context_);
247		247
248	v8::TryCatch try_catch;	248	v8::TryCatch try_catch;
249		249
250	v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(code.data(), code.length()),	250	v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(code.data(), code.length()),
251	v8::String::New(scriptname.data(), scriptname.length()));	251	v8::String::New(scriptname.data(), scriptname.length()));
252		252
253	if (script.IsEmpty())	253	if (script.IsEmpty())
254	{	254	{
255	this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));	255	this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));
256	}	256	}
257	else	257	else
258	{	258	{
259	Value result = script->Run();	259	Value result = script->Run();
260		260
261	if (result.IsEmpty())	261	if (result.IsEmpty())
262	{	262	{
263	this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));	263	this->SendResponse(plugin_name, request_id, this->FormatException(try_catch));
264	}	264	}
265	else	265	else
266	{	266	{
267	v8::String::AsciiValue response(result->ToString());	267	v8::String::AsciiValue response(result->ToString());
268		268
269	this->SendResponse(plugin_name, request_id, std::string(*response));	269	this->SendResponse(plugin_name, request_id, std::string(*response));
270	}	270	}
271	}	271	}
272	}	272	}
273		273
274	std::string Manager::FormatException(v8::TryCatch& try_catch)	274	std::string Manager::FormatException(v8::TryCatch& try_catch)
275	{	275	{
276	v8::Context::Scope context_scope(this->context_);	276	v8::Context::Scope context_scope(this->context_);
277		277
278	std::string result;	278	std::string result;
279		279
280	v8::HandleScope handle_scope;	280	v8::HandleScope handle_scope;
281	v8::String::Utf8Value exception(try_catch.Exception());	281	v8::String::Utf8Value exception(try_catch.Exception());
282	v8::Handle<v8::Message> message = try_catch.Message();	282	v8::Handle<v8::Message> message = try_catch.Message();
283		283
284	if (message.IsEmpty())	284	if (message.IsEmpty())
285	{	285	{
286	result = *exception;	286	result = *exception;
287	}	287	}
288	else	288	else
289	{	289	{
290	v8::String::Utf8Value filename(message->GetScriptResourceName());	290	v8::String::Utf8Value filename(message->GetScriptResourceName());
291		291
292	result = std::string(filename) + ":" + boost::lexical_cast<std::string>(message->GetLineNumber()) + ": " + std::string(exception);	292	result = std::string(filename) + ":" + boost::lexical_cast<std::string>(message->GetLineNumber()) + ": " + std::string(exception);
293		293
294	/*v8::String::Utf8Value sourceline(message->GetSourceLine());	294	/*v8::String::Utf8Value sourceline(message->GetSourceLine());
295	string strSourceline = *sourceline;	295	string strSourceline = *sourceline;
296		296
297	result += strSourceline + "\n";	297	result += strSourceline + "\n";
298		298
299	string underline = rpad("", message->GetStartColumn(), ' ');	299	string underline = rpad("", message->GetStartColumn(), ' ');
300	underline = rpad(underline, message->GetEndColumn(), '^');	300	underline = rpad(underline, message->GetEndColumn(), '^');
301		301
302	result += underline + "\n";*/	302	result += underline + "\n";*/
303	}	303	}
304		304
305	return result;	305	return result;
306	}	306	}
307		307
308	}; // namespace vm	308	}; // namespace vm
309	}; // namespace atom	309	}; // namespace atom
310		310