[Zion] Move to StrFormat for debug line.

zion/debug/debug.cpp

@@ -21,6 +21,12 @@ void dbgcstr(const char* str) {
   }
 }
 
+void dbg(const glcr::StringView& str) {
+  for (uint64_t i = 0; i < str.size(); i++) {
+    dbgputchar(str[i]);
+  }
+}
+
 void U64ToStr(uint64_t u, char* str) {
   uint64_t len = 0;
   uint64_t u2 = u;
@@ -77,7 +83,7 @@ void MemToStr(uint64_t u, char* str) {
 void AddProcPrefix() {
   if (gScheduler != nullptr) {
     auto t = gScheduler->CurrentThread();
-    dbg("[%u.%u] ", t->pid(), t->tid());
+    dbg(glcr::StrFormat("[{}.{}] ", t->pid(), t->tid()));
   }
 }
 
@@ -134,6 +140,12 @@ void dbg_internal(const char* fmt, va_list args) {
 
 void early_dbgln(const char* str) { dbgcstr(str); }
 
+void dbgln(const glcr::StringView& str) {
+  AddProcPrefix();
+  dbg(str);
+  dbg("\n");
+}
+
 void dbg(const char* fmt, ...) {
   va_list arg;
   va_start(arg, fmt);

zion/debug/debug.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <glacier/string/str_format.h>
 #include <stdarg.h>
 
 #include "include/ztypes.h"
@@ -8,10 +9,19 @@
 // before allocations are available.
 void early_dbgln(const char* str);
 
-void dbg(const char* fmt, ...);
-void dbgln(const char* str, ...);
-void panic(const char* str, ...);
+void dbgln(const glcr::StringView& str);
+
+template <typename... Args>
+void dbgln(const char* str, Args... args) {
+  dbgln(glcr::StrFormat(str, args...));
+}
+
+template <typename... Args>
+void panic(const char* str, Args... args) {
+  dbgln(glcr::StrFormat(str, args...));
+  dbgln("PANIC");
+}
 
 #define UNREACHABLE                                \
-  panic("Unreachable %s, %s", __FILE__, __LINE__); \
+  panic("Unreachable {}, {}", __FILE__, __LINE__); \
   __builtin_unreachable();