kde-extraapps/kdevplatform/language/duchain/codemodel.h
2015-07-26 14:23:17 +03:00

102 lines
3 KiB
C++

/* This file is part of KDevelop
Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KDEVPLATFORM_CODEMODEL_H
#define KDEVPLATFORM_CODEMODEL_H
#include "identifier.h"
namespace KDevelop {
class Declaration;
class IndexedDeclaration;
class DeclarationId;
class TopDUContext;
class QualifiedIdentifier;
class IndexedString;
struct CodeModelItem
{
CodeModelItem()
: referenceCount(0)
, kind(Unknown)
{
}
enum Kind {
Unknown = 0,
Function = 1,
Variable = 2,
Class = 4,
ForwardDeclaration = 8,
Namespace = 16,
ClassMember = 32
};
IndexedQualifiedIdentifier id;
uint referenceCount;
union {
Kind kind;
uint uKind;
};
bool operator<(const CodeModelItem& rhs) const {
return id < rhs.id;
}
};
/**
* Persistent store that efficiently holds a list of identifiers
* and their kind for each declaration-string.
*/
class KDEVPLATFORMLANGUAGE_EXPORT CodeModel
{
public:
CodeModel();
~CodeModel();
/**
* There can only be one item for each identifier.
* If an item with this identifier already exists, the kind is updated.
*/
void addItem(const IndexedString& file, const IndexedQualifiedIdentifier& id, CodeModelItem::Kind kind);
void removeItem(const IndexedString& file, const IndexedQualifiedIdentifier& id);
/**
* Updates the kind for the given item. The item must already be in the code model.
*/
void updateItem(const IndexedString& file, const IndexedQualifiedIdentifier& id, CodeModelItem::Kind kind);
/**
* Retrieves all the global identifiers for a file-name in an efficient way.
*
* @param count A reference that will be filled with the count of retrieved items
* @param items A reference to a pointer, that will represent the array of items.
* The array may contain items with an invalid identifier, those should be ignored.
* The list is sorted by identifier-index(except for the invalid identifiers in between).
*/
void items(const IndexedString& file, uint& count, const CodeModelItem*& items) const;
static CodeModel& self();
private:
class CodeModelPrivate* d;
};
}
Q_DECLARE_TYPEINFO(KDevelop::CodeModelItem, Q_MOVABLE_TYPE);
#endif