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/************************************************************************
************************************************************************
FAUST compiler
Copyright (C) 2003-2018 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
************************************************************************
************************************************************************/
#ifndef _FAUST_EXCEPTION_
#define _FAUST_EXCEPTION_
#include <iostream>
#include <sstream>
#include <stdexcept>
#ifndef WIN32
#include <alloca.h>
#include <unistd.h>
#else
// #include <io.h>
#endif
#if defined(__GLIBC__) || defined(__APPLE__)
#include <execinfo.h>
#endif
class faustexception : public std::runtime_error {
public:
#ifdef EMCC
static const char* gJSExceptionMsg;
faustexception(const std::string& msg = "") : std::runtime_error(msg)
{
gJSExceptionMsg = strdup(msg.c_str());
}
faustexception(char* msg) : std::runtime_error(msg) { gJSExceptionMsg = strdup(msg); }
faustexception(const char* msg) : std::runtime_error(msg) { gJSExceptionMsg = strdup(msg); }
#else
faustexception(const std::string& msg = "") : std::runtime_error(msg) {}
faustexception(char* msg) : std::runtime_error(msg) {}
faustexception(const char* msg) : std::runtime_error(msg) {}
#endif
std::string Message() { return what(); }
void PrintMessage() { std::cerr << what(); }
};
inline void stacktrace(std::stringstream& str, int val)
{
#if defined(__GLIBC__) || defined(__APPLE__)
void** callstack = (void**)alloca(val * sizeof(void*));
int frames = backtrace(callstack, val);
char** strs = backtrace_symbols(callstack, frames);
str << "====== stack trace start ======\n";
for (int i = 0; i < frames; ++i) {
str << strs[i] << "\n";
}
str << "====== stack trace stop ======\n";
free(strs);
#endif
}
void faustassertaux(bool cond, const std::string& file, int line);
#define faustassert(cond) faustassertaux((cond), __FILE__, __LINE__)
#endif
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