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// StackTrace.cpp

// Implements the functions to print current stack traces

#include "Globals.h"
#include "StackTrace.h"
#ifdef _WIN32
#include "WinStackWalker.h"
#else
#ifdef __GLIBC__
#include <execinfo.h>
#endif
#include <unistd.h>
#endif





void PrintStackTrace(void)
{
#ifdef _WIN32
	class PrintingStackWalker : public WinStackWalker
	{
		virtual void OnOutput(LPCSTR szText) override { std::fputs(szText, stdout); }
	} sw;
	sw.ShowCallstack();
#else
#ifdef __GLIBC__
	// Use the backtrace() function to get and output the stackTrace:
	// Code adapted from
	// https://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes
	void * stackTrace[30];
	auto numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
	backtrace_symbols_fd(stackTrace, numItems, STDERR_FILENO);
#endif
#endif
}