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/******************************************************************************
*
* Copyright (C) 1997-2020 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
* Documents produced by Doxygen are derivative works derived from the
* input used in their production; they are not affected by this license.
*
*/
#ifndef SYMBOLRESOLVER_H
#define SYMBOLRESOLVER_H
#include <memory>
#include "qcstring.h"
class Definition;
class ClassDef;
class FileDef;
class MemberDef;
//! Helper class to find a class definition or check if
//! A symbol is accessible in a given scope.
class SymbolResolver
{
public:
explicit SymbolResolver(const FileDef *fileScope = 0);
~SymbolResolver();
// actions
/** Find the class definition matching name within
* the scope set.
* @param scope The scope to search from.
* @param name The name of the symbol.
* @param maybeUnlinkable include unlinkable symbols in the search.
* @param myBeHidden include hidden symbols in the search.
* @note As a result of this call the getters getTypedef(),
* getTemplateSpec(), and getResolvedType() are set as well.
*/
const ClassDef *resolveClass(const Definition *scope,
const char *name,
bool maybeUnlinkable=false,
bool myBeHidden=false);
/** Checks if symbol \a item is accessible from within \a scope.
* @returns -1 if \a item is not accessible or a number indicating how
* many scope levels up the nearest match was found.
*/
int isAccessibleFrom(const Definition *scope,
const Definition *item);
/** Check if symbol \a item is accessible from within \a scope,
* where it has to match the \a explicitScopePart.
* @returns -1 if \a item is not accessible or a number indicating how
* many scope levels up the nearest match was found.
*/
int isAccessibleFromWithExpScope(const Definition *scope,
const Definition *item,
const QCString &explicitScopePart
);
/** Sets or updates the file scope using when resolving symbols. */
void setFileScope(const FileDef *fd);
// getters
/** In case a call to resolveClass() resolves to a type member (e.g. an enum)
* this method will return it.
*/
const MemberDef *getTypedef() const;
/** In case a call to resolveClass() points to a template specialization, the
* template part is return via this method.
*/
QCString getTemplateSpec() const;
/** In case a call to resolveClass() points to a typedef or using declaration.
* The type name it resolved to is returned via this method.
*/
QCString getResolvedType() const;
private:
struct Private;
std::unique_ptr<Private> p;
};
#endif
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