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https://github.com/SFML/CSFML.git
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138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_INTERNAL_H
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#define SFML_INTERNAL_H
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////////////////////////////////////////////////////////////
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// Define macros to check the validity of CSFML objects in debug run
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////////////////////////////////////////////////////////////
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#include <stdio.h>
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// this macro avoids the C4127 warning on VC++ ("conditional expression is constant")
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#define ASSERT_FALSE (__LINE__ == -1)
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#ifndef NDEBUG
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#define CSFML_CHECK(object_) \
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do \
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{ \
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if (object_ == NULL) \
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{ \
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fprintf(stderr, "SFML warning: trying to use a null " #object_ " object\n"); \
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return; \
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} \
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} \
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while (ASSERT_FALSE)
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#define CSFML_CALL(object_, function_) \
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do \
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{ \
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if (object_) \
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{ \
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(object_->This.function_); \
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} \
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else \
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{ \
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fprintf(stderr, "SFML warning: trying to use a null " #object_ " object\n"); \
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} \
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} \
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while (ASSERT_FALSE)
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#define CSFML_CALL_PTR(object_, function_) \
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do \
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{ \
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if (object_) \
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{ \
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(object_->This->function_); \
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} \
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else \
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{ \
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fprintf(stderr, "SFML warning: trying to use a null " #object_ " object\n"); \
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} \
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} \
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while (ASSERT_FALSE)
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#define CSFML_CHECK_RETURN(object_, default_) \
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do \
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{ \
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if (object_ == NULL) \
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{ \
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fprintf(stderr, "SFML warning: trying to use a null " #object_ " object\n"); \
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return default_; \
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} \
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} \
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while (ASSERT_FALSE)
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#define CSFML_CALL_RETURN(object_, function_, default_) \
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if (object_) \
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{ \
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return (object_->This.function_); \
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} \
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else \
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{ \
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fprintf(stderr, "SFML warning: trying to use a null " #object_ " object\n"); \
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return default_; \
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}
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#define CSFML_CALL_PTR_RETURN(object_, function_, default_) \
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if (object_) \
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{ \
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return (object_->This->function_); \
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} \
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else \
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{ \
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fprintf(stderr, "SFML warning: trying to use a null " #object_ " object\n"); \
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return default_; \
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}
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#else
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#define CSFML_CHECK(object_)
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#define CSFML_CALL(object_, function_) \
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(object_->This.function_)
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#define CSFML_CALL_PTR(object_, function_) \
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(object_->This->function_)
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#define CSFML_CHECK_RETURN(object_, default_) \
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(void)default_;
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#define CSFML_CALL_RETURN(object_, function_, default_) \
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{ \
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(void)default_; \
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return (object_->This.function_); \
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}
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#define CSFML_CALL_PTR_RETURN(object_, function_, default_) \
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{ \
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(void)default_; \
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return (object_->This->function_); \
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}
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#endif
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#endif // SFML_INTERNAL_H
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