+#define SKIP_IF_(__expression, ...) \
+do \
+{ \
+ if ((__expression)) { \
+ size_t ask= snprintf(0, 0, __VA_ARGS__); \
+ ask++; \
+ char *buffer= (char*)alloca(sizeof(char) * ask); \
+ snprintf(buffer, ask, __VA_ARGS__); \
+ if (YATL_FULL) { \
+ SKIP(#__expression, buffer); \
+ } \
+ fprintf(stdout, "\n%s:%d: %s SKIP '%s' [ %s ]\n", __FILE__, __LINE__, __PRETTY_FUNCTION__, #__expression, buffer); \
+ exit(EXIT_SKIP); \
+ } \
+} while (0)
+
+#define SKIP_UNLESS(__expression) \
+do \
+{ \
+ if (! (__expression)) { \
+ if (YATL_FULL) { \
+ SKIP(#__expression); \
+ } \
+ fprintf(stdout, "\n%s:%d: %s SKIP '(%s)'\n", __FILE__, __LINE__, __PRETTY_FUNCTION__, #__expression); \
+ exit(EXIT_SKIP); \
+ } \
+} while (0)
+
+#define SKIP_UNLESS_(__expression, ...) \
+do \
+{ \
+ if (! (__expression)) { \
+ size_t ask= snprintf(0, 0, __VA_ARGS__); \
+ ask++; \
+ char *buffer= (char*)alloca(sizeof(char) * ask); \
+ snprintf(buffer, ask, __VA_ARGS__); \
+ if (YATL_FULL) { \
+ SKIP(#__expression, buffer); \
+ } \
+ fprintf(stdout, "\n%s:%d: %s SKIP '%s' [ %s ]\n", __FILE__, __LINE__, __PRETTY_FUNCTION__, #__expression, buffer); \
+ exit(EXIT_SKIP); \
+ } \
+} while (0)
+