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/******************************************************************************
* Top contributors (to current version):
* Morgan Deters, Andres Noetzli, Aina Niemetz
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
* in the top-level source directory and their institutional affiliations.
* All rights reserved. See the file COPYING in the top-level source
* directory for licensing information.
* ****************************************************************************
*
* [[ Add one-line brief description here ]]
*
* [[ Add lengthier description here ]]
* \todo document this file
*/
#include "expr/metakind.h"
#include <iostream>
namespace cvc5 {
namespace kind {
/**
* Get the metakind for a particular kind.
*/
MetaKind metaKindOf(Kind k)
{
static const MetaKind metaKinds[] = {
metakind::INVALID, /* UNDEFINED_KIND */
metakind::INVALID, /* NULL_EXPR */
// clang-format off
${metakind_kinds} // clang-format on
metakind::INVALID /* LAST_KIND */
}; /* metaKinds[] */
Assert(k >= kind::NULL_EXPR && k < kind::LAST_KIND);
// We've asserted that k >= NULL_EXPR (which is 0), but we still
// handle the UNDEFINED_KIND (-1) case. If we don't, the compiler
// emits warnings for non-assertion builds, since the check isn't done.
return metaKinds[k + 1];
} /* metaKindOf(k) */
} // namespace kind
namespace expr {
// clang-format off
${metakind_constantMaps}
// clang-format on
} // namespace expr
namespace kind {
namespace metakind {
size_t NodeValueCompare::constHash(const ::cvc5::expr::NodeValue* nv)
{
Assert(nv->getMetaKind() == kind::metakind::CONSTANT);
switch (nv->d_kind)
{
// clang-format off
${metakind_constHashes}
// clang-format on
default: Unhandled() << ::cvc5::expr::NodeValue::dKindToKind(nv->d_kind);
}
}
template <bool pool>
bool NodeValueCompare::compare(const ::cvc5::expr::NodeValue* nv1,
const ::cvc5::expr::NodeValue* nv2)
{
if(nv1->d_kind != nv2->d_kind) {
return false;
}
if (nv1->getMetaKind() == kind::metakind::CONSTANT)
{
switch (nv1->d_kind)
{
// clang-format off
${metakind_compares}
// clang-format on
default: Unhandled() << ::cvc5::expr::NodeValue::dKindToKind(nv1->d_kind);
}
}
if(nv1->d_nchildren != nv2->d_nchildren) {
return false;
}
::cvc5::expr::NodeValue::const_nv_iterator i = nv1->nv_begin();
::cvc5::expr::NodeValue::const_nv_iterator j = nv2->nv_begin();
::cvc5::expr::NodeValue::const_nv_iterator i_end = nv1->nv_end();
while(i != i_end) {
if((*i) != (*j)) {
return false;
}
++i;
++j;
}
return true;
}
template bool NodeValueCompare::compare<true>(
const ::cvc5::expr::NodeValue* nv1, const ::cvc5::expr::NodeValue* nv2);
template bool NodeValueCompare::compare<false>(
const ::cvc5::expr::NodeValue* nv1, const ::cvc5::expr::NodeValue* nv2);
void NodeValueConstPrinter::toStream(std::ostream& out,
const ::cvc5::expr::NodeValue* nv)
{
Assert(nv->getMetaKind() == kind::metakind::CONSTANT);
switch (nv->d_kind)
{
// clang-format off
${metakind_constPrinters}
// clang-format on
default: Unhandled() << ::cvc5::expr::NodeValue::dKindToKind(nv->d_kind);
}
}
void NodeValueConstPrinter::toStream(std::ostream& out, TNode n) {
toStream(out, n.d_nv);
}
// The reinterpret_cast of d_children to various constant payload types
// in deleteNodeValueConstant(), below, can flag a "strict aliasing"
// warning; it should actually be okay, because we never access the
// embedded constant as a NodeValue* child, and never access an embedded
// NodeValue* child as a constant.
#pragma GCC diagnostic ignored "-Wstrict-aliasing"
/**
* Cleanup to be performed when a NodeValue zombie is collected, and
* it has CONSTANT metakind. This calls the destructor for the underlying
* C++ type representing the constant value. See
* NodeManager::reclaimZombies() for more information.
*
* This doesn't support "non-inlined" NodeValues, which shouldn't need this
* kind of cleanup.
*/
void deleteNodeValueConstant(::cvc5::expr::NodeValue* nv)
{
Assert(nv->getMetaKind() == kind::metakind::CONSTANT);
switch (nv->d_kind)
{
// clang-format off
${metakind_constDeleters}
// clang-format on
default: Unhandled() << ::cvc5::expr::NodeValue::dKindToKind(nv->d_kind);
}
}
// re-enable the strict-aliasing warning
# pragma GCC diagnostic warning "-Wstrict-aliasing"
uint32_t getMinArityForKind(::cvc5::Kind k)
{
static const unsigned lbs[] = {
0, /* NULL_EXPR */
// clang-format off
${metakind_lbchildren}
// clang-format on
0 /* LAST_KIND */
};
return lbs[k];
}
uint32_t getMaxArityForKind(::cvc5::Kind k)
{
static const unsigned ubs[] = {
0, /* NULL_EXPR */
// clang-format off
${metakind_ubchildren}
// clang-format on
0, /* LAST_KIND */
};
return ubs[k];
}
} // namespace metakind
/**
* Map a kind of the operator to the kind of the enclosing expression. For
* example, since the kind of functions is just VARIABLE, it should map
* VARIABLE to APPLY_UF.
*/
Kind operatorToKind(::cvc5::expr::NodeValue* nv)
{
if(nv->getKind() == kind::BUILTIN) {
return nv->getConst<Kind>();
} else if(nv->getKind() == kind::LAMBDA) {
return kind::APPLY_UF;
}
switch (Kind k CVC5_UNUSED = nv->getKind())
{
// clang-format off
${metakind_operatorKinds}
// clang-format on
default: return kind::UNDEFINED_KIND; /* LAST_KIND */
};
}
} // namespace kind
} // namespace cvc5
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