/*++
Copyright (c) 2006 Microsoft Corporation

Module Name:

    debug.h

Abstract:

    Basic debugging support.

Author:

    Leonardo de Moura (leonardo) 2006-09-11.

Revision History:

--*/
#pragma once

#include <stdlib.h>

void enable_assertions(bool f);
bool assertions_enabled();

#include "util/error_codes.h"
#include "util/warning.h"

#ifdef Z3DEBUG
#define DEBUG_CODE(CODE) { CODE } ((void) 0)
#else
#define DEBUG_CODE(CODE) ((void) 0)
#endif

#ifdef __APPLE__
#include <TargetConditionals.h>
#if !TARGET_OS_OSX
#define NO_Z3_DEBUGGER
#endif
#endif

#ifdef __EMSCRIPTEN__
#define NO_Z3_DEBUGGER
#endif

#ifdef NO_Z3_DEBUGGER
#define INVOKE_DEBUGGER() exit(ERR_INTERNAL_FATAL)
#else
#ifdef _WINDOWS
#define INVOKE_DEBUGGER() __debugbreak()
#else
void invoke_gdb();
#define INVOKE_DEBUGGER() invoke_gdb()
#endif
#endif

void notify_assertion_violation(const char * file_name, int line, const char * condition);
void enable_debug(const char * tag);
void disable_debug(const char * tag);
bool is_debug_enabled(const char * tag);

#define SASSERT(COND) DEBUG_CODE(if (assertions_enabled() && !(COND)) { notify_assertion_violation(__FILE__, __LINE__, #COND); INVOKE_DEBUGGER(); })
#define CASSERT(TAG, COND) DEBUG_CODE(if (assertions_enabled() && is_debug_enabled(TAG) && !(COND)) { notify_assertion_violation(__FILE__, __LINE__, #COND); INVOKE_DEBUGGER(); })
#define XASSERT(COND, EXTRA_CODE) DEBUG_CODE(if (assertions_enabled() && !(COND)) { notify_assertion_violation(__FILE__, __LINE__, #COND); { EXTRA_CODE } INVOKE_DEBUGGER(); })

#ifdef Z3DEBUG
# define UNREACHABLE() DEBUG_CODE(notify_assertion_violation(__FILE__, __LINE__, "UNEXPECTED CODE WAS REACHED."); INVOKE_DEBUGGER();)
#else
# define UNREACHABLE() { notify_assertion_violation(__FILE__, __LINE__, "UNEXPECTED CODE WAS REACHED."); exit(ERR_UNREACHABLE); } ((void) 0)
#endif

#ifdef Z3DEBUG
# define NOT_IMPLEMENTED_YET() DEBUG_CODE(notify_assertion_violation(__FILE__, __LINE__, "NOT IMPLEMENTED YET!"); INVOKE_DEBUGGER();)
#else
# define NOT_IMPLEMENTED_YET() { notify_assertion_violation(__FILE__, __LINE__, "NOT IMPLEMENTED YET!"); exit(ERR_NOT_IMPLEMENTED_YET); } ((void) 0)
#endif

#define VERIFY(_x_) if (!(_x_)) {                                                       \
        notify_assertion_violation(__FILE__, __LINE__, "Failed to verify: " #_x_ "\n"); \
        exit(ERR_UNREACHABLE);                                                          \
    }                                                           

#define ENSURE(_x_) VERIFY(_x_)


void finalize_debug();
/*
  ADD_FINALIZER('finalize_debug();')
*/