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typehints.cpp
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Mon, Aug 24, 2:08 AM

typehints.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: typehints.cpp
* Author: pgess <v.melnychenko@xreate.org>
*
* Created on 24/03/2020
*/
#include "analysis/typehints.h"
#include "analysis/predefinedanns.h"
#include "analysis/utils.h"
#include "aux/expressions.h"
namespace xreate{namespace typehints{
namespace impl {
template<class Hint>
inline Hint getHint(const Expression& e, const Hint& def, unsigned annId, const ExpandedType& hintT){
const std::list<Expression>& hintsL = getAnnotations(e);
auto predefined = analysis::PredefinedAnns::instance();
const Expression& hintActual = analysis::findAnnById(annId, hintT, hintsL);
if (!hintActual.isValid()){
return def;
}
return parse<Hint>(hintActual);
}
}
template<> IntBits
parse(const Expression& e){
return {(unsigned) e.operands.at(0).getValueDouble()};
}
template<> ArrayHint
parse(const Expression& e){
return {(unsigned) e.operands.at(0).getValueDouble()};
}
template<> FlyHint
parse(const Expression& e){
return {e.operands.at(0)};
}
template<> IntBits
find(const Expression& e, const IntBits& def){
auto predefined = analysis::PredefinedAnns::instance();
return impl::getHint<IntBits>(e, def,
(unsigned) analysis::PredefinedAnns::IntHints::SIZE,
ExpandedType(predefined.hintsIntT)
);
}
template<> ArrayHint
find(const Expression& e, const ArrayHint& def){
auto predefined = analysis::PredefinedAnns::instance();
return impl::getHint<ArrayHint>(e, def,
(unsigned) analysis::PredefinedAnns::ContHints::ARRAY,
ExpandedType(predefined.hintsContT)
);
}
template<> FlyHint
find(const Expression& e, const FlyHint& def){
auto predefined = analysis::PredefinedAnns::instance();
return impl::getHint<FlyHint>(e, def,
(unsigned) analysis::PredefinedAnns::ContHints::FLY,
ExpandedType(predefined.hintsContT));
}
}}

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