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allow stream ops for JSON_FAIL_MESSAGE

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http://www.iar.com/Global/Resources/Developers_Toolbox/C_Cplusplus_Programming/Tips%20and%20tricks%20using%20the%20preprocessor%20%28part%20two%29.pdf
This commit is contained in:
Christopher Dunn 2015-01-20 16:18:15 -06:00
parent 9454e687a3
commit 7956ccd61e
1 changed files with 9 additions and 8 deletions
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17
include/json/assertions.h
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@ -7,6 +7,7 @@
#define CPPTL_JSON_ASSERTIONS_H_INCLUDED #define CPPTL_JSON_ASSERTIONS_H_INCLUDED
#include <stdlib.h> #include <stdlib.h>
#include <sstream>
#if !defined(JSON_IS_AMALGAMATION) #if !defined(JSON_IS_AMALGAMATION)
#include "config.h" #include "config.h"
@ -16,26 +17,26 @@
#include <stdexcept> #include <stdexcept>
#define JSON_ASSERT(condition) \ #define JSON_ASSERT(condition) \
assert(condition); // @todo <= change this into an exception throw assert(condition); // @todo <= change this into an exception throw
#define JSON_FAIL_MESSAGE(message) throw std::runtime_error(message); #define JSON_FAIL_MESSAGE(message) do{std::ostringstream oss; oss << message; throw std::runtime_error(oss.str());}while(0)
//#define JSON_FAIL_MESSAGE(message) throw std::runtime_error(message)
#else // JSON_USE_EXCEPTION #else // JSON_USE_EXCEPTION
#define JSON_ASSERT(condition) assert(condition); #define JSON_ASSERT(condition) assert(condition);
// The call to assert() will show the failure message in debug builds. In // The call to assert() will show the failure message in debug builds. In
// release bugs we write to invalid memory in order to crash hard, so that a // release bugs we abort, for a core-dump or debugger.
// debugger or crash reporter gets the chance to take over. We still call exit()
// afterward in order to tell the compiler that this macro doesn't return.
#define JSON_FAIL_MESSAGE(message) \ #define JSON_FAIL_MESSAGE(message) \
{ \ { \
assert(false&& message); \ std::ostringstream oss; oss << message; \
strcpy(reinterpret_cast<char*>(666), message); \ assert(false && oss.str().c_str()); \
exit(123); \ abort(); \
} }
#endif #endif
#define JSON_ASSERT_MESSAGE(condition, message) \ #define JSON_ASSERT_MESSAGE(condition, message) \
if (!(condition)) { \ if (!(condition)) { \
JSON_FAIL_MESSAGE(message) \ JSON_FAIL_MESSAGE(message); \
} }
#endif // CPPTL_JSON_ASSERTIONS_H_INCLUDED #endif // CPPTL_JSON_ASSERTIONS_H_INCLUDED