void doPrint(std::ostream& out, T t, U u, Args... args)
{
out << t << ',';
doPrint(out, u, args...);
}
void SymbolizePrinter::println(uintptr_t address,
const SymbolizedFrame& frame) {
print(address, frame);
doPrint("\n");
}
int main()
{
doPrint(std::cout, 34, "bla", 15);
}
void SymbolizePrinter::print(uintptr_t address, const SymbolizedFrame& frame) {
if (options_ & TERSE) {
printTerse(address, frame);
return;
}
SCOPE_EXIT { color(Color::DEFAULT); };
color(kAddressColor);
AddressFormatter formatter;
doPrint(formatter.format(address));
const char padBuf[] = " ";
folly::StringPiece pad(padBuf,
sizeof(padBuf) - 1 - (16 - 2 * sizeof(uintptr_t)));
color(kFunctionColor);
if (!frame.found) {
doPrint(" (not found)");
return;
}
if (!frame.name || frame.name[0] == '\0') {
doPrint(" (unknown)");
} else {
char demangledBuf[1024];
demangle(frame.name, demangledBuf, sizeof(demangledBuf));
doPrint(" ");
doPrint(demangledBuf[0] == '\0' ? frame.name : demangledBuf);
}
if (!(options_ & NO_FILE_AND_LINE)) {
color(kFileColor);
char fileBuf[PATH_MAX];
fileBuf[0] = '\0';
if (frame.location.hasFileAndLine) {
frame.location.file.toBuffer(fileBuf, sizeof(fileBuf));
doPrint("\n");
doPrint(pad);
doPrint(fileBuf);
char buf[22];
uint32_t n = uint64ToBufferUnsafe(frame.location.line, buf);
doPrint(":");
doPrint(StringPiece(buf, n));
}
if (frame.location.hasMainFile) {
char mainFileBuf[PATH_MAX];
mainFileBuf[0] = '\0';
frame.location.mainFile.toBuffer(mainFileBuf, sizeof(mainFileBuf));
if (!frame.location.hasFileAndLine || strcmp(fileBuf, mainFileBuf)) {
doPrint("\n");
doPrint(pad);
doPrint("-> ");
doPrint(mainFileBuf);
}
}
}
}
