repo init. partial port of existing code

1 files changed, 56 insertions, 0 deletions

diff --git a/src/log.c b/src/log.c
new file mode 100644
index 0000000..1b82f77
--- /dev/null
+++ b/src/log.c
@@ -0,0 +1,56 @@
+#include "log.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "defines.h"
+
+// Regular text
+#define BLK "\e[0;30m"
+#define RED "\e[0;31m"
+#define GRN "\e[0;32m"
+#define YEL "\e[0;33m"
+#define BLU "\e[0;34m"
+#define MAG "\e[0;35m"
+#define CYN "\e[0;36m"
+#define WHT "\e[0;37m"
+#define CRESET "\e[0m"
+
+static const char *level_strings[6] = { "[FATAL]: ", "[ERROR]: ", "[WARN]: ",
+                                        "[INFO]: ",  "[DEBUG]: ", "[TRACE]: " };
+static const char *level_colours[6] = { RED, RED, YEL, BLU, CYN, MAG };
+
+bool logger_init() {
+  // TODO: create log file
+  return true;
+}
+
+void logger_shutdown() {
+  // does nothing right now
+}
+
+void log_output(log_level level, const char *message, ...) {
+  char out_message[32000];
+  memset(out_message, 0, sizeof(out_message));
+
+  // format original message
+  __builtin_va_list arg_ptr;
+  va_start(arg_ptr, message);
+  vsnprintf(out_message, 32000, message, arg_ptr);
+  va_end(arg_ptr);
+
+  char out_message2[32006];
+  // prepend log level string
+  sprintf(out_message2, "%s%s%s%s\n", level_colours[level], level_strings[level], out_message,
+          CRESET);
+
+  // print message to console
+  printf("%s", out_message2);
+}
+
+void report_assertion_failure(const char *expression, const char *message, const char *file,
+                              i32 line) {
+  log_output(LOG_LEVEL_FATAL, "Assertion failure: %s, message: '%s', in file: %s, on line %d\n",
+             expression, message, file, line);
+}
\ No newline at end of file