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Added log_dump() API

This commit is contained in:
Clifford Wolf 2013-12-20 12:11:58 +01:00
parent c904f5e197
commit 2ee3ac4ba3
1 changed files with 54 additions and 0 deletions
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54
kernel/log.h
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@ -93,4 +93,58 @@ struct PerformanceTimer
#endif
};
// simple API for quickly dumping values when debugging
static inline void log_dump_val_worker(int v) { log("%d", v); }
static inline void log_dump_val_worker(size_t v) { log("%zd", v); }
static inline void log_dump_val_worker(long int v) { log("%ld", v); }
static inline void log_dump_val_worker(long long int v) { log("%lld", v); }
static inline void log_dump_val_worker(char c) { log(c >= 32 && c < 127 ? "'%c'" : "'\\x%02x'", c); }
static inline void log_dump_val_worker(bool v) { log("%s", v ? "true" : "false"); }
static inline void log_dump_val_worker(double v) { log("%f", v); }
static inline void log_dump_val_worker(const char *v) { log("%s", v); }
static inline void log_dump_val_worker(std::string v) { log("%s", v.c_str()); }
static inline void log_dump_val_worker(RTLIL::SigSpec v) { log("%s", log_signal(v)); }
static inline void log_dump_args_worker(const char *p) { log_assert(*p == 0); }
template <typename T, typename ... Args>
void log_dump_args_worker(const char *p, T first, Args ... args)
{
int next_p_state = 0;
const char *next_p = p;
while (*next_p && (next_p_state != 0 || *next_p != ',')) {
if (*next_p == '"')
do {
next_p++;
while (*next_p == '\\' && *(next_p + 1))
next_p += 2;
} while (*next_p && *next_p != '"');
if (*next_p == '\'') {
next_p++;
if (*next_p == '\\')
next_p++;
if (*next_p)
next_p++;
}
if (*next_p == '(' || *next_p == '[' || *next_p == '{')
next_p_state++;
if ((*next_p == ')' || *next_p == ']' || *next_p == '}') && next_p_state > 0)
next_p_state--;
next_p++;
}
log("\n\t%.*s => ", int(next_p - p), p);
if (*next_p == ',')
next_p++;
while (*next_p == ' ' || *next_p == '\t' || *next_p == '\r' || *next_p == '\n')
next_p++;
log_dump_val_worker(first);
log_dump_args_worker(next_p, args ...);
}
#define log_dump(...) do { \
log("DEBUG DUMP IN %s AT %s:%d:", __PRETTY_FUNCTION__, __FILE__, __LINE__); \
log_dump_args_worker(#__VA_ARGS__, __VA_ARGS__); \
log("\n"); \
} while (0)
#endif