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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2021 The SymbiFlow Authors.
*
* 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.
*
*/
#pragma once
#include "nextpnr.h"
// This header must be included after "nextpnr.h", otherwise circular header
// import insanity occurs.
#ifndef NEXTPNR_H_COMPLETE
#error This header cannot be used until after "nextpnr.h" is included
#endif
#include "log.h"
NEXTPNR_NAMESPACE_BEGIN
template <size_t StateCount, typename StateType, typename CountType>
void ExclusiveStateGroup<StateCount, StateType, CountType>::print_debug(const Context *ctx, IdString object,
const Definition &definition) const
{
if (state == kNoSelected) {
NPNR_ASSERT(selected_states.count() == 0);
log_info("%s.%s is currently unselected\n", object.c_str(ctx), definition.prefix.c_str(ctx));
} else if (state >= 0) {
log_info("%s.%s = %s, count = %d\n", object.c_str(ctx), definition.prefix.c_str(ctx),
definition.states.at(state).c_str(ctx), count[state]);
} else {
NPNR_ASSERT(state == kOverConstrained);
log_info("%s.%s is currently overconstrained, states selected:\n", object.c_str(ctx),
definition.prefix.c_str(ctx));
for (size_t i = 0; i < definition.states.size(); ++i) {
if (selected_states[i]) {
log_info(" - %s, count = %d\n", definition.states.at(i).c_str(ctx), count[i]);
}
}
}
}
template <size_t StateCount, typename StateType, typename CountType>
void ExclusiveStateGroup<StateCount, StateType, CountType>::explain_implies(const Context *ctx, IdString object,
IdString cell, const Definition &definition,
BelId bel, int32_t next_state) const
{
if (check_implies(next_state)) {
log_info("Placing cell %s at bel %s does not violate %s.%s\n", cell.c_str(ctx), ctx->nameOfBel(bel),
object.c_str(ctx), definition.prefix.c_str(ctx));
} else {
log_info("Placing cell %s at bel %s does violates %s.%s, desired state = %s.\n", cell.c_str(ctx),
ctx->nameOfBel(bel), object.c_str(ctx), definition.prefix.c_str(ctx),
definition.states.at(next_state).c_str(ctx));
print_debug(ctx, object, definition);
}
}
template <size_t StateCount, typename StateType, typename CountType>
template <typename StateRange>
void ExclusiveStateGroup<StateCount, StateType, CountType>::explain_requires(const Context *ctx, IdString object,
IdString cell,
const Definition &definition, BelId bel,
const StateRange state_range) const
{
if (requires(state_range)) {
log_info("Placing cell %s at bel %s does not violate %s.%s\n", cell.c_str(ctx), ctx->nameOfBel(bel),
object.c_str(ctx), definition.prefix.c_str(ctx));
} else {
log_info("Placing cell %s at bel %s does violates %s.%s, because current state is %s, constraint requires one "
"of:\n",
cell.c_str(ctx), ctx->nameOfBel(bel), object.c_str(ctx), definition.prefix.c_str(ctx),
definition.states.at(state).c_str(ctx));
for (const auto required_state : state_range) {
log_info(" - %s\n", definition.states.at(required_state).c_str(ctx));
}
print_debug(ctx, object, definition);
}
}
NEXTPNR_NAMESPACE_END
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