https://github.com/Kitware/CMake
Revision 6e149e1591249d4666b4f7eefd58f414c4b5d973 authored by Brad King on 10 February 2014, 16:24:54 UTC, committed by CMake Topic Stage on 10 February 2014, 16:24:54 UTC
6d85a6a6 add_library: Issue better diagnostic for INTERFACE GLOBAL signature. 770245e9 add_library: Test invalid GLOBAL INTERFACE signature.
Tip revision: 6e149e1591249d4666b4f7eefd58f414c4b5d973 authored by Brad King on 10 February 2014, 16:24:54 UTC
Merge topic 'interface-library-signatures'
Merge topic 'interface-library-signatures'
Tip revision: 6e149e1
cmVariableWatch.h
/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmVariableWatch_h
#define cmVariableWatch_h
#include "cmStandardIncludes.h"
class cmMakefile;
/** \class cmVariableWatch
* \brief Helper class for watching of variable accesses.
*
* Calls function when variable is accessed
*/
class cmVariableWatch
{
public:
typedef void (*WatchMethod)(const std::string& variable, int access_type,
void* client_data, const char* newValue, const cmMakefile* mf);
typedef void (*DeleteData)(void* client_data);
cmVariableWatch();
~cmVariableWatch();
/**
* Add watch to the variable
*/
bool AddWatch(const std::string& variable, WatchMethod method,
void* client_data=0, DeleteData delete_data=0);
void RemoveWatch(const std::string& variable, WatchMethod method,
void* client_data=0);
/**
* This method is called when variable is accessed
*/
void VariableAccessed(const std::string& variable, int access_type,
const char* newValue, const cmMakefile* mf) const;
/**
* Different access types.
*/
enum
{
VARIABLE_READ_ACCESS = 0,
UNKNOWN_VARIABLE_READ_ACCESS,
UNKNOWN_VARIABLE_DEFINED_ACCESS,
ALLOWED_UNKNOWN_VARIABLE_READ_ACCESS,
VARIABLE_MODIFIED_ACCESS,
VARIABLE_REMOVED_ACCESS,
NO_ACCESS
};
/**
* Return the access as string
*/
static const char* GetAccessAsString(int access_type);
protected:
struct Pair
{
WatchMethod Method;
void* ClientData;
DeleteData DeleteDataCall;
Pair() : Method(0), ClientData(0), DeleteDataCall(0) {}
~Pair()
{
if (this->DeleteDataCall && this->ClientData)
{
this->DeleteDataCall(this->ClientData);
}
}
};
typedef std::vector< Pair* > VectorOfPairs;
typedef std::map<cmStdString, VectorOfPairs > StringToVectorOfPairs;
StringToVectorOfPairs WatchMap;
};
#endif
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