added SIMPLECPP_LIFETIMEBOUND

Author: firewave

simplecpp.cpp

@@ -60,6 +60,16 @@
 #  include <sys/types.h>
 #endif
 
+#if defined(__has_cpp_attribute)
+#  if __has_cpp_attribute (clang::lifetimebound)
+#    define SIMPLECPP_LIFETIMEBOUND [[clang::lifetimebound]]
+#  else
+#    define SIMPLECPP_LIFETIMEBOUND
+#  endif
+#else
+#  define SIMPLECPP_LIFETIMEBOUND
+#endif
+
 static bool isHex(const std::string &s)
 {
     return s.size()>2 && (s.compare(0,2,"0x")==0 || s.compare(0,2,"0X")==0);

simplecpp.h

@@ -42,6 +42,16 @@
 #  define SIMPLECPP_LIB
 #endif
 
+#if defined(__has_cpp_attribute)
+#  if __has_cpp_attribute (clang::lifetimebound)
+#    define SIMPLECPP_LIFETIMEBOUND [[clang::lifetimebound]]
+#  else
+#    define SIMPLECPP_LIFETIMEBOUND
+#  endif
+#else
+#  define SIMPLECPP_LIFETIMEBOUND
+#endif
+
 #if defined(_MSC_VER)
 #  pragma warning(push)
 // suppress warnings about "conversion from 'type1' to 'type2', possible loss of data"
@@ -602,6 +612,8 @@ namespace simplecpp {
 #  pragma warning(pop)
 #endif
 
+#undef SIMPLECPP_LIFETIMEBOUND
+
 #undef SIMPLECPP_LIB
 
 #endif

test.cpp

@@ -22,6 +22,16 @@
 #error "SIMPLECPP_TEST_SOURCE_DIR is not defined."
 #endif
 
+#if defined(__has_cpp_attribute)
+#  if __has_cpp_attribute (clang::lifetimebound)
+#    define SIMPLECPP_LIFETIMEBOUND [[clang::lifetimebound]]
+#  else
+#    define SIMPLECPP_LIFETIMEBOUND
+#  endif
+#else
+#  define SIMPLECPP_LIFETIMEBOUND
+#endif
+
 #define STRINGIZE_(x) #x
 #define STRINGIZE(x) STRINGIZE_(x)