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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz, Andrew Reynolds, Andres Noetzli
*
* 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.
* ****************************************************************************
*
* Apply substitutions preprocessing pass.
*
* Apply top level substitutions to assertions, rewrite, and store back into
* assertions.
*/
#include "preprocessing/passes/apply_substs.h"
#include "context/cdo.h"
#include "preprocessing/assertion_pipeline.h"
#include "preprocessing/preprocessing_pass_context.h"
#include "theory/rewriter.h"
#include "theory/substitutions.h"
namespace cvc5 {
namespace preprocessing {
namespace passes {
ApplySubsts::ApplySubsts(PreprocessingPassContext* preprocContext)
: PreprocessingPass(preprocContext, "apply-substs")
{
}
PreprocessingPassResult ApplySubsts::applyInternal(
AssertionPipeline* assertionsToPreprocess)
{
Chat() << "applying substitutions..." << std::endl;
Trace("apply-substs") << "SmtEnginePrivate::processAssertions(): "
<< "applying substitutions" << std::endl;
// TODO(#1255): Substitutions in incremental mode should be managed with a
// proper data structure.
theory::TrustSubstitutionMap& tlsm =
d_preprocContext->getTopLevelSubstitutions();
unsigned size = assertionsToPreprocess->size();
for (unsigned i = 0; i < size; ++i)
{
if (assertionsToPreprocess->isSubstsIndex(i))
{
continue;
}
Trace("apply-substs") << "applying to " << (*assertionsToPreprocess)[i]
<< std::endl;
d_preprocContext->spendResource(ResourceManager::Resource::PreprocessStep);
assertionsToPreprocess->replaceTrusted(
i, tlsm.apply((*assertionsToPreprocess)[i]));
Trace("apply-substs") << " got " << (*assertionsToPreprocess)[i]
<< std::endl;
}
return PreprocessingPassResult::NO_CONFLICT;
}
} // namespace passes
} // namespace preprocessing
} // namespace cvc5
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