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Better logging system

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Use C++ magic to strip out debug logs at compile time
This commit is contained in:
topjohnwu
2020-06-01 04:15:37 -07:00
parent ad94f10205
commit 2f824f59dc
16 changed files with 118 additions and 138 deletions
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33
native/jni/utils/include/logging.hpp
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@ -1,17 +1,15 @@
#pragma once
#include <errno.h>
#include <stdarg.h>
#include <string.h>
#include <cerrno>
#include <cstdarg>
#include <cstring>
__BEGIN_DECLS
typedef enum {
enum {
L_DEBUG,
L_INFO,
L_WARN,
L_ERR
} log_type;
};
struct log_callback {
int (*d)(const char* fmt, va_list ap);
@ -21,20 +19,19 @@ struct log_callback {
void (*ex)(int code);
};
extern struct log_callback log_cb;
extern log_callback log_cb;
#define LOGD(...) log_handler(L_DEBUG, __VA_ARGS__)
#define LOGI(...) log_handler(L_INFO, __VA_ARGS__)
#define LOGW(...) log_handler(L_WARN, __VA_ARGS__)
#define LOGE(...) log_handler(L_ERR, __VA_ARGS__)
#define PLOGE(fmt, args...) LOGE(fmt " failed with %d: %s\n", ##args, errno, strerror(errno))
#define LOGD(...) log_handler<L_DEBUG>(__VA_ARGS__)
#define LOGI(...) log_handler<L_INFO>(__VA_ARGS__)
#define LOGW(...) log_handler<L_WARN>(__VA_ARGS__)
#define LOGE(...) log_handler<L_ERR>(__VA_ARGS__)
#define PLOGE(fmt, args...) LOGE(fmt " failed with %d: %s\n", ##args, errno, std::strerror(errno))
int nop_log(const char *fmt, va_list ap);
void nop_ex(int i);
int nop_log(const char *, va_list);
void nop_ex(int);
void no_logging();
void cmdline_logging();
int log_handler(log_type t, const char *fmt, ...);
__END_DECLS
template<int type>
void log_handler(const char *fmt, ...) __printflike(1, 2);