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F3995506
polymorph.cpp
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Tue, Jul 7, 12:17 PM
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text/x-c++
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Thu, Jul 9, 12:17 PM (1 d, 59 m)
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rXR Xreate
polymorph.cpp
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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* File: polymorph.cpp
* Author: pgess <v.melnychenko@xreate.org>
*
* Created on November 9, 2017, 12:14 PM
*/
#include "polymorph.h"
#include "aux/transcend-decorators.h"
using namespace std;
namespace xreate{
namespace polymorph{
const std::string atomPolymorph = "dfa_callguard";
void
PolymorphQuery::init(TranscendLayer* transcend) {
__transcend = transcend;
StaticModel queryResult = transcend->query(atomPolymorph);
if (queryResult.size()) {
for (auto entry : queryResult) {
auto answer = TranscendLayer::parse<SymbolNode, Gringo::Symbol>(entry.second);
SymbolNode symbCaller = std::get<0>(answer);
SymbolGeneralized symbCallerUnpacked = transcend->unpack(symbCaller);
__cacheEarlyReasoning.emplace(symbCallerUnpacked, entry.second);
}
}
auto transcendLate =
Decorators<LateReasoningTranscendDecoratorTag>::getInterface(__transcend);
latereasoning::LateAnnotationsGroup group = transcendLate->queryLate(atomPolymorph);
for(auto entry : group.annotations) {
auto targetWrapper = Gringo::Symbol::createTuple(Gringo::SymSpan{&entry.first, 1});
auto targetSP = __transcend->parse<SymbolNode>(targetWrapper);
SymbolGeneralized targetS = __transcend->unpack(std::get<0>(targetSP));
__cacheLateReasoning.emplace(targetS, entry.second);
}
}
latereasoning::LateAnnotation
PolymorphQuery::get(const Expression& e) const {
SymbolGeneralized targetS = Attachments::exists<SymbolAlias>(e) ?
SymbolGeneralized(Attachments::get<SymbolAlias>(e))
: SymbolGeneralized(SymbolAnonymous{e.id});
if (__cacheEarlyReasoning.count(targetS)) {
return latereasoning::LateAnnotation(__cacheEarlyReasoning.at(targetS));
}
if (__cacheLateReasoning.count(targetS)) {
return __cacheLateReasoning.at(targetS);
}
assert(false && "Can't find a guard");
}
Expression
PolymorphQuery::getValue(const Gringo::Symbol& symbol) const {
auto result = __transcend->parse<Gringo::Symbol, Expression>(symbol);
return std::get<1>(result);
}
}
} //end of xreate::polymorph
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