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Diffstat (limited to 'plugins/FreeImage/Source/DeprecationManager/DeprecationMgr.cpp')
| -rw-r--r-- | plugins/FreeImage/Source/DeprecationManager/DeprecationMgr.cpp | 103 | 
1 files changed, 103 insertions, 0 deletions
diff --git a/plugins/FreeImage/Source/DeprecationManager/DeprecationMgr.cpp b/plugins/FreeImage/Source/DeprecationManager/DeprecationMgr.cpp new file mode 100644 index 0000000000..bf82dfa33b --- /dev/null +++ b/plugins/FreeImage/Source/DeprecationManager/DeprecationMgr.cpp @@ -0,0 +1,103 @@ +// ========================================================== +// Deprecation Manager +// +// Design and implementation by +// - Noel Llopis (Game Programming Gems II) +// +// This file is part of FreeImage 3 +// +// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY +// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES +// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE +// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED +// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT +// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY +// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL +// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER +// THIS DISCLAIMER. +// +// Use at your own risk! +// ========================================================== + +#ifdef _MSC_VER  +#pragma warning (disable : 4786) // identifier was truncated to 'number' characters +#endif  + +#ifdef _WIN32 +#include <windows.h> +#endif // _WIN32 +#include "FreeImage.h" +#include "Utilities.h" +#include "DeprecationMgr.h" + +// ========================================================== + +DeprecationMgr::DeprecationMgr() { +} + +DeprecationMgr::~DeprecationMgr() { +#ifdef _WIN32 +	if (!m_functions.empty()) { +		OutputDebugString( "*************************************************************************************\n" ); +		OutputDebugString( "This is a warning, because you use one or more deprecated functions.\nContinuing to use these functions might eventually render your program uncompilable.\nThe following functions are deprecated:\n\n" ); + +		for (std::map<const char *, DeprecatedFunction>::iterator i = m_functions.begin(); i != m_functions.end(); ++i) { +			DeprecatedFunction *function = &((*i).second); + +			char txt[255]; + +			sprintf(txt, " * %s called from %i different places. Instead use %s.\n", function->old_function_name,  function->called_from.size(), function->new_function_name); + +			OutputDebugString(txt); +		} + +		OutputDebugString( "*************************************************************************************\n" ); + +		m_functions.clear(); +	} +#endif // _WIN32 +} + +// ========================================================== + +DeprecationMgr * +DeprecationMgr::GetInstance() { +	static DeprecationMgr Instance; +	return &Instance; +} + +// ========================================================== + +void +DeprecationMgr::AddDeprecatedFunction(const char *old_function_name, const char *new_function_name, const void *frame_ptr) { +#ifdef _WIN32 +	int *preturn = (int *)frame_ptr + 1; // usual return address @ [ebp+4] +	int called_from = IsBadReadPtr(preturn, 4) ? 0 : *preturn; + +	// check if this function was already listed as deprecated +	// if it wasn't, make a new entry for it +	// if it was, keep track of where it's called from. + +	std::map<const char *, DeprecatedFunction>::iterator existing_function = m_functions.find(old_function_name); + +	if (existing_function == m_functions.end()) { +		DeprecatedFunction function; + +		function.old_function_name = old_function_name; +		function.new_function_name = new_function_name; +		function.called_from.insert(called_from); + +		m_functions[old_function_name] = function; +	} else { +		// since we're keeping track of the addresses this function +		// was called from in a set, we don't need to check whether we've +		// already added the address. + +		DeprecatedFunction *function = &((*existing_function).second); + +		function->called_from.insert(called_from); +	} +#endif // _WIN32 +} + +  | 
