containers.h
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Thu, Jul 9, 12:06 AM

containers.h

/* 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: containers.h
* Author: pgess <v.melnychenko@xreate.org>
*/
#ifndef CODEINSTRUCTIONS_H
#define CODEINSTRUCTIONS_H
#include "ast.h"
#include "llvmlayer.h"
#include "pass/compilepass.h"
#include "compilation/advancedinstructions.h"
#include "query/containers.h"
namespace xreate {
namespace containers {
using namespace llvm;
/**
* \brief A factory to create a concrete iterator based on the solution provided by xreate::containers::Query
* \sa xreate::containers::Query
*/
class Iterator{
public :
virtual llvm::Value* begin() =0;
virtual llvm::Value* end() = 0;
virtual llvm::Value* get(llvm::Value* index,const std::string& hintRetVar="") = 0;
virtual llvm::Value* advance(llvm::Value* index, const std::string& hintRetVar="")=0;
virtual ~Iterator(){};
static Iterator* create(xreate::compilation::Context context, const xreate::Symbol& var);
};
template<ImplementationType I>
class IteratorForward;
/** \brief The lazy container implementation.
*
* Represents computation on the fly.
* \sa xreate::containers::Iterator, \sa xreate::containers::Query
*/
template<>
class IteratorForward<ON_THE_FLY> : public Iterator {
private:
LLVMLayer* llvm;
const xreate::Symbol current;
const Symbol source;
const ImplementationLinkedList linkedlist;
const CodeScope* const sourceScope;
//TODO initialize and mark as const (three fields)
compilation::ICodeScopeUnit* sourceUnit;
compilation::IFunctionUnit* function; //TODO is used somewhere?
const Expression& sourceDecl;
compilation::Context context;
llvm::Type* sourceRawType =nullptr;
public:
IteratorForward(const compilation::Context& ctx, const xreate::Symbol& s, const ImplementationRec<ON_THE_FLY>& implementation)
: llvm(ctx.pass->man->llvm),
current(s),
source(implementation.source),
linkedlist(source),
sourceScope(source.scope),
sourceUnit(ctx.function->getScopeUnit(source.scope)),
sourceDecl(CodeScope::getDefinition(source)),
context(ctx)
{}
llvm::Value* begin() override;
llvm::Value* end() override;
llvm::Value* get(llvm::Value* index,const std::string& hintRetVar="") override;
llvm::Value* advance(llvm::Value* index, const std::string& hintRetVar="") override;
};
/** \brief The contiguous container implementation.
*
* Represents contiguous in memory(array) implementation.
* \sa xreate::containers::Iterator, \sa xreate::containers::Query
*/
template<>
class IteratorForward<SOLID>: public Iterator{
size_t __length;
llvm::Value* __container;
LLVMLayer* llvm;
public:
IteratorForward(const compilation::Context& ctx, const xreate::Symbol& symbolContainer, const ImplementationRec<SOLID>& implementation);
llvm::Value* begin() override;
llvm::Value* end() override;
llvm::Value* get(llvm::Value* index,const std::string& hintRetVar="") override;
llvm::Value* advance(llvm::Value* index, const std::string& hintRetVar="") override;
};
}}
#endif //CODEINSTRUCTIONS_H

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