Issue 5201 - [emscripten] Replace EM_ASM calls by a custom JavaScript library

compiled/debug.h

Index: compiled/debug.h
===================================================================
--- a/compiled/debug.h
+++ b/compiled/debug.h
@@ -21,36 +21,44 @@
 #include <emscripten/trace.h>
 
 #if defined(assert)
 #undef assert
 #endif
 
 class String;
 
+extern "C"
+{
+  void LogString(const String& str);
+  void LogInteger(int i);
+  void LogPointer(const void* ptr);
+  void LogError(const String& str);
+}
+
 struct console_type
 {
   static void log(const String& str)
   {
-    EM_ASM_ARGS(console.log(readString($0)), &str);
+    LogString(str);
   }
 
   static void log(int i)
   {
-    EM_ASM_ARGS(console.log($0), i);
+    LogInteger(i);
   }
 
-  static void log(void* ptr)
+  static void log(const void* ptr)
   {
-    EM_ASM_ARGS(console.log($0), ptr);
+    LogPointer(ptr);
   }
 
   static void error(const String& str)
   {
-    EM_ASM_ARGS(console.error(new Error(readString($0)).stack), &str);
+    LogError(str);
   }
 };
 
 static console_type console;
 
 #if defined(DEBUG)
 inline void assert(bool condition, const String& str)
 {