adhocfunctiondecorator.h
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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: adhocfunctiondecorator.h
	* Author: pgess <v.melnychenko@xreate.org>
	*
	* Created on July 29, 2017, 12:26 PM
	*/

	#ifndef ADHOCFUNCTIONDECORATOR_H
	#define ADHOCFUNCTIONDECORATOR_H

	#include "ast.h"
	#include "llvmlayer.h"

	using namespace xreate::compilation;

	namespace xreate{ namespace adhoc{
	template<class Parent>
	class AdhocFunctionDecorator: public Parent{
	public:
	AdhocFunctionDecorator(ManagedFnPtr f, CompilePass* p)
	: Parent(f, p) {}

	protected:
	llvm::Type* prepareResult(){
	PassManager* man = Parent::pass->man;
	CodeScope* entry = Parent::function->__entry;
	LLVMLayer* llvm = Parent::pass->man->llvm;
	AST* ast = Parent::pass->man->root;
	adhoc::AdhocPass* adhocpass = reinterpret_cast<AdhocPass*>(man->getPassById(PassId::AdhocPass));

	if (! Parent::function->isPrefunction){
	return Parent::prepareResult();
	}

	adhocImplementation = adhocpass->findAssotiatedScheme(entry);
	return llvm->toLLVMType(ast->expandType(adhocImplementation->getResultType()));
	}

	public:
	AdhocScheme* adhocImplementation=nullptr;
	};

	}} //end of namespace xreate::adhoc

	#endif /* ADHOCFUNCTIONDECORATOR_H */