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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2022 Miodrag Milanovic <micko@yosyshq.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef FSTDATA_H
#define FSTDATA_H
#include "kernel/yosys.h"
#include "libs/fst/fstapi.h"
YOSYS_NAMESPACE_BEGIN
typedef std::function<void(uint64_t)> CallbackFunction;
struct fst_end_of_data_exception { };
struct FstVar
{
fstHandle id;
std::string name;
bool is_alias;
bool is_reg;
std::string scope;
int width;
};
class FstData
{
public:
FstData(std::string filename);
~FstData();
uint64_t getStartTime();
uint64_t getEndTime();
std::vector<FstVar>& getVars() { return vars; };
void reconstruct_callback_attimes(uint64_t pnt_time, fstHandle pnt_facidx, const unsigned char *pnt_value, uint32_t plen);
void reconstructAllAtTimes(std::vector<fstHandle> &signal, uint64_t start_time, uint64_t end_time, CallbackFunction cb);
std::string valueOf(fstHandle signal);
fstHandle getHandle(std::string name);
dict<int,fstHandle> getMemoryHandles(std::string name);
double getTimescale() { return timescale; }
const char *getTimescaleString() { return timescale_str.c_str(); }
private:
void extractVarNames();
struct fstReaderContext *ctx;
std::vector<FstVar> vars;
std::map<fstHandle, FstVar> handle_to_var;
std::map<std::string, fstHandle> name_to_handle;
std::map<std::string, dict<int, fstHandle>> memory_to_handle;
std::map<fstHandle, std::string> last_data;
uint64_t last_time;
std::map<fstHandle, std::string> past_data;
uint64_t past_time;
double timescale;
std::string timescale_str;
uint64_t start_time;
uint64_t end_time;
CallbackFunction callback;
std::vector<fstHandle> clk_signals;
bool all_samples;
std::string tmp_file;
};
YOSYS_NAMESPACE_END
#endif
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