char *JSMain::GetStackInfo(Isolate *isolate, int *lineNumber)
{
HandleScope handle_scope(isolate);
const char *file = __FILE__; /* Use current filename if we can't find the correct from JS stack */
int line = __LINE__; /* Use current line number if we can't find the correct from JS stack */
char *ret = NULL;
/* Try to get the current stack trace (script file) */
Local<StackTrace> stFile = StackTrace::CurrentStackTrace(isolate, 1, StackTrace::kScriptName);
if (!stFile.IsEmpty()) {
Local<StackFrame> sf = stFile->GetFrame(0);
if (!sf.IsEmpty()) {
Local<String> fn = sf->GetScriptName();
if (!fn.IsEmpty()) {
String::Utf8Value str(fn);
if (*str) {
js_strdup(ret, *str); // We must dup here
}
}
}
}
/* dup current filename if we got nothing from stack */
if (ret == NULL) {
js_strdup(ret, file);
}
/* Try to get the current stack trace (line number) */
if (lineNumber) {
*lineNumber = 0;
Local<StackTrace> stLine = StackTrace::CurrentStackTrace(isolate, 1, StackTrace::kLineNumber);
if (!stLine.IsEmpty()) {
Local<StackFrame> sf = stLine->GetFrame(0);
if (!sf.IsEmpty()) {
*lineNumber = sf->GetLineNumber();
}
}
/* Use current file number if we got nothing from stack */
if (*lineNumber == 0) {
*lineNumber = line;
}
}
/* Return dup'ed value - this must be freed by the calling function */
return ret;
}
bool MetadataNode::GetExtendLocation(string& extendLocation)
{
stringstream extendLocationStream;
Local<StackTrace> stackTrace = StackTrace::CurrentStackTrace(Isolate::GetCurrent(), 1, StackTrace::kOverview);
if (!stackTrace.IsEmpty())
{
Handle<StackFrame> frame = stackTrace->GetFrame(0);
if (!frame.IsEmpty())
{
auto scriptName = frame->GetScriptName();
if (scriptName.IsEmpty())
{
extendLocationStream << "unkown location";
extendLocation = extendLocationStream.str();
return false;
}
string srcFileName = ConvertToString(scriptName);
string hardcodedPathToSkip = Constants::APP_ROOT_FOLDER_PATH;
int startIndex = hardcodedPathToSkip.length();
int strToTakeLen = (srcFileName.length() - startIndex - 3); // 3 refers to .js at the end of file name
string fullPathToFile = srcFileName.substr(startIndex, strToTakeLen);
std::replace(fullPathToFile.begin(), fullPathToFile.end(), '/', '_');
std::replace(fullPathToFile.begin(), fullPathToFile.end(), '.', '_');
int lineNumber = frame->GetLineNumber();
if (lineNumber < 0)
{
extendLocationStream << fullPathToFile.c_str() << " unkown line number";
extendLocation = extendLocationStream.str();
return false;
}
if (lineNumber > Constants::MODULE_LINES_OFFSET)
{
lineNumber -= Constants::MODULE_LINES_OFFSET;
}
int column = frame->GetColumn();
if (column < 0)
{
extendLocationStream << fullPathToFile.c_str() << " line:" << lineNumber << " unkown column number";
extendLocation = extendLocationStream.str();
return false;
}
extendLocationStream << "f" << fullPathToFile.c_str() << "_l" << lineNumber << "_c" << column << "__";
//DEBUG_WRITE("EXTEND_LOCATION %s", extendLocationStream.str().c_str());
}
}
extendLocation = extendLocationStream.str();
return true;
}
void DumpJSStack()
{
Local<StackTrace> st = StackTrace::CurrentStackTrace(25);
OutputDebugStringA("\n\n--- Javascript Stack ---\n");
for( int i = 0; i < st->GetFrameCount(); i++ )
{
Local<StackFrame> sf = st->GetFrame(i);
char szOut[8 * 1024];
String::Utf8Value scriptName(sf->GetScriptName());
String::Utf8Value funcName(sf->GetFunctionName());
sprintf(szOut, "%s (%d,%d):%s\n", *scriptName, sf->GetLineNumber(), sf->GetColumn(), *funcName);
OutputDebugStringA(szOut);
}
}
Handle<Value> LogJs::log(const Arguments& args, Log::WarningLevel level) {
HandleScope scope;
Context::Scope context_scope(Context::GetCurrent());
if (level >= Log::getInstance().getLevel())
{
Local<StackTrace> stack = StackTrace::CurrentStackTrace(1);
Local<StackFrame> frame = stack->GetFrame(0);
int lineNumber = -1;
QString script("<unknown>");
QString functionName("<unknown>");
if (stack->GetFrameCount() >= 1)
{
lineNumber = frame->GetLineNumber();
script = toString(frame->GetScriptName());
functionName = toString(frame->GetFunctionName());
}
std::stringstream rMessage;
for (int i = 0; i < args.Length(); i++)
{
if (i != 0)
{
rMessage << " ";
}
rMessage << args[i];
}
QString message = QString::fromUtf8(rMessage.str().data());
int logLimit = ConfigOptions().getOgrLogLimit();
int messageCount = getLogCount(message);
if (messageCount == logLimit)
{
message = QString("Received %1 of the same message. Silencing: ").arg(messageCount) + message;
}
if (messageCount <= logLimit)
{
Log::getInstance().log(level, message, script, functionName, lineNumber);
}
}
return scope.Close(Undefined());
}