0ad/source/scriptinterface/ScriptExceptions.cpp
bb 157c6af18e Make the space in 0 A.D. non-breaking throughout the codebase.
Avoid cases of filenames
Update years in terms and other legal(ish) documents
Don't update years in license headers, since change is not meaningful

Will add linter rule in seperate commit

Happy recompiling everyone!

Original Patch By: Nescio
Comment By: Gallaecio
Differential Revision: D2620
This was SVN commit r27786.
2023-07-27 20:54:46 +00:00

105 lines
2.8 KiB
C++
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/* Copyright (C) 2021 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "ScriptExceptions.h"
#include "ps/CLogger.h"
#include "ps/CStr.h"
#include "scriptinterface/FunctionWrapper.h"
#include "scriptinterface/ScriptRequest.h"
bool ScriptException::IsPending(const ScriptRequest& rq)
{
return JS_IsExceptionPending(rq.cx);
}
bool ScriptException::CatchPending(const ScriptRequest& rq)
{
if (!JS_IsExceptionPending(rq.cx))
return false;
JS::RootedValue excn(rq.cx);
ENSURE(JS_GetPendingException(rq.cx, &excn));
JS_ClearPendingException(rq.cx);
if (excn.isUndefined())
{
LOGERROR("JavaScript error: (undefined)");
return true;
}
// As of SM45/52, there is no way to recover a stack in case the thrown thing is not an Error object.
if (!excn.isObject())
{
CStr error;
Script::FromJSVal(rq, excn, error);
LOGERROR("JavaScript error: %s", error);
return true;
}
JS::RootedObject excnObj(rq.cx, &excn.toObject());
JSErrorReport* report = JS_ErrorFromException(rq.cx, excnObj);
if (!report)
{
CStr error;
Script::FromJSVal(rq, excn, error);
LOGERROR("JavaScript error: %s", error);
return true;
}
std::stringstream msg;
msg << "JavaScript error: ";
if (report->filename)
{
msg << report->filename;
msg << " line " << report->lineno << "\n";
}
msg << report->message().c_str();
JS::RootedObject stackObj(rq.cx, ExceptionStackOrNull(excnObj));
JS::RootedValue stackVal(rq.cx, JS::ObjectOrNullValue(stackObj));
if (!stackVal.isNull())
{
std::string stackText;
ScriptFunction::Call(rq, stackVal, "toString", stackText);
std::istringstream stream(stackText);
for (std::string line; std::getline(stream, line);)
msg << "\n " << line;
}
LOGERROR("%s", msg.str().c_str());
return true;
}
void ScriptException::Raise(const ScriptRequest& rq, const char* format, ...)
{
va_list ap;
va_start(ap, format);
// SM is single-threaded, so a static thread_local buffer needs no locking.
thread_local static char buffer[256];
vsprintf_s(buffer, ARRAY_SIZE(buffer), format, ap);
va_end(ap);
// Rather annoyingly, there are no va_list versions of this function, hence the preformatting above.
JS_ReportErrorUTF8(rq.cx, "%s", buffer);
}