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/* Copyright 2016 Fred Sundvik
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef VARIABLE_TRACE_H
#define VARIABLE_TRACE_H
// For more information about the variable tracing see the readme.
#include "print.h"
#ifdef NUM_TRACED_VARIABLES
// Start tracing a variable at the memory address addr
// The name can be anything and is used only for reporting
// The size should usually be the same size as the variable you are interested in
# define ADD_TRACED_VARIABLE(name, addr, size) add_traced_variable(PSTR(name), (void*)addr, size, PSTR(__FILE__), __LINE__)
// Stop tracing the variable with the given name
# define REMOVE_TRACED_VARIABLE(name) remove_traced_variable(PSTR(name), PSTR(__FILE__), __LINE__)
// Call to get messages when the variable has been changed
# define VERIFY_TRACED_VARIABLES() verify_traced_variables(PSTR(__FILE__), __LINE__)
#else
# define ADD_TRACED_VARIABLE(name, addr, size)
# define REMOVE_TRACED_VARIABLE(name)
# define VERIFY_TRACED_VARIABLES()
#endif
// Don't call directly, use the macros instead
void add_traced_variable(const char* name, void* addr, unsigned size, const char* func, int line);
void remove_traced_variable(const char* name, const char* func, int line);
void verify_traced_variables(const char* func, int line);
#endif
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