Log level

1 files changed, 62 insertions, 46 deletions

diff --git a/reduced_system_layer.c b/reduced_system_layer.c
index 794f511..b2bec10 100755
--- a/reduced_system_layer.c
+++ b/reduced_system_layer.c
@@ -818,56 +818,77 @@ static i64 max2_i64_(i64 x, i64 y) {
 //  - Use print formatting after we implement it.
 //  - Print time.
 
+enum {
+  LOG_Level_None    = 0,
+  LOG_Level_Fatal   = 1,
+  LOG_Level_Error   = 2,
+  LOG_Level_Warning = 3,
+  LOG_Level_Info    = 4,
+  LOG_Level_Verbose = 5,
+  LOG_Level_Trace   = 6,
+};
+
+static u8 LOG_level = LOG_Level_Info;
+
 #if defined(__wasm__)
 void log_impl(i32 mode, i32 file_len, c8 const *file, i32 line, i32 func_len, c8 const *func, i32 text_len, c8 const *text);
 #define LOG_trace()                     \
   do {                                  \
-    log_impl(                           \
-      0,                                \
-      sizeof(__FILE__) - 1, __FILE__,   \
-      __LINE__,                         \
-      sizeof(__func__) - 1, __func__,   \
-      0, NULL);                         \
+    if (LOG_level >= LOG_Level_Trace)   \
+      log_impl(                         \
+        0,                              \
+        sizeof(__FILE__) - 1, __FILE__, \
+        __LINE__,                       \
+        sizeof(__func__) - 1, __func__, \
+        0, NULL);                       \
   } while (0)
-#define LOG_print(text_, ...)           \
-  do {                                  \
-    i32 len = 0;                        \
-    while ((text_)[len] != '\0') ++len; \
-    log_impl(                           \
-      0,                                \
-      sizeof(__FILE__) - 1, __FILE__,   \
-      __LINE__,                         \
-      sizeof(__func__) - 1, __func__,   \
-      len, text_);                      \
+#define LOG_print(text_, ...)             \
+  do {                                    \
+    if (LOG_level >= LOG_Level_Info) {    \
+      i32 len = 0;                        \
+      while ((text_)[len] != '\0') ++len; \
+      log_impl(                           \
+        0,                                \
+        sizeof(__FILE__) - 1, __FILE__,   \
+        __LINE__,                         \
+        sizeof(__func__) - 1, __func__,   \
+        len, text_);                      \
+    }                                     \
   } while (0)
-#define LOG_error(text_, ...)           \
-  do {                                  \
-    i32 len = 0;                        \
-    while ((text_)[len] != '\0') ++len; \
-    log_impl(                           \
-      1,                                \
-      sizeof(__FILE__) - 1, __FILE__,   \
-      __LINE__,                         \
-      sizeof(__func__) - 1, __func__,   \
-      len, text_);                      \
+#define LOG_error(text_, ...)             \
+  do {                                    \
+    if (LOG_level >= LOG_Level_Error) {   \
+      i32 len = 0;                        \
+      while ((text_)[len] != '\0') ++len; \
+      log_impl(                           \
+        1,                                \
+        sizeof(__FILE__) - 1, __FILE__,   \
+        __LINE__,                         \
+        sizeof(__func__) - 1, __func__,   \
+        len, text_);                      \
+    }                                     \
   } while (0)
 #else
 #include <stdio.h>
-#define LOG_trace()                                               \
-  do {                                                            \
-    fprintf(stdout, "%s:%d, %s\n", __FILE__, __LINE__, __func__); \
+#define LOG_trace()                                                 \
+  do {                                                              \
+    if (LOG_level >= LOG_Level_Trace)                               \
+      fprintf(stdout, "%s:%d, %s\n", __FILE__, __LINE__, __func__); \
   } while (0)
-#define LOG_print(...)                                            \
-  do {                                                            \
-    fprintf(stdout, "%s:%d, %s: ", __FILE__, __LINE__, __func__); \
-    fprintf(stdout, __VA_ARGS__);                                 \
-    fprintf(stdout, "\n");                                        \
+#define LOG_print(...)                 \
+  do {                                 \
+    if (LOG_level >= LOG_Level_Info) { \
+      fprintf(stdout, __VA_ARGS__);    \
+      fprintf(stdout, "\n");           \
+    }                                  \
   } while (0)
-#define LOG_error(...)                                            \
-  do {                                                            \
-    fprintf(stderr, "%s:%d, %s: ", __FILE__, __LINE__, __func__); \
-    fprintf(stderr, __VA_ARGS__);                                 \
-    fprintf(stderr, "\n");                                        \
+#define LOG_error(...)                                              \
+  do {                                                              \
+    if (LOG_level >= LOG_Level_Error) {                             \
+      fprintf(stderr, "%s:%d, %s: ", __FILE__, __LINE__, __func__); \
+      fprintf(stderr, __VA_ARGS__);                                 \
+      fprintf(stderr, "\n");                                        \
+    }                                                               \
   } while (0)
 #endif
 
@@ -1643,21 +1664,16 @@ void PROFILER_end(u32 slot) {
 }
 
 void PROFILER_report_(void) {
-  //  TODO: Implement printing for WebAssembly.
-
-#if !defined(__wasm__)
   if (_profiler_num_slots > 0) {
-    printf("\nPROFILER REPORT\n\n");
+    LOG_print("PROFILER REPORT");
     for (i64 i = 0; i < _profiler_num_slots; ++i) {
       if (_profiler_slots[i].name == NULL || _profiler_slots[i].amount == 0)
         continue;
       f64 k = _profiler_slots[i].amount == 0 ? 0. : 1. / _profiler_slots[i].amount;
       f64 f = ((f64) _profiler_slots[i].time_sec) * k + ((f64 )_profiler_slots[i].time_nsec * .000000001) * k;
-      printf("%-31s %3lld.%09lld / %4lld = %.6f\n", _profiler_slots[i].name, _profiler_slots[i].time_sec, _profiler_slots[i].time_nsec, _profiler_slots[i].amount, f);
+      LOG_print("%-31s %3lld.%09lld / %4lld = %.6f", _profiler_slots[i].name, _profiler_slots[i].time_sec, _profiler_slots[i].time_nsec, _profiler_slots[i].amount, f);
     }
-    printf("\n");
   }
-#endif
 }
 
 //  ================================================================