Move YGLogger into YGConfig and associate YGNodeRef with log events

Summary:
Moves the `YGLogger` into `YGConfig` and pass the `YGNodeRef` into the logger to be able to associate the log messages and assertions with the specific node.

Tackles facebook/yoga#530 and facebook/yoga#446
Closes https://github.com/facebook/yoga/pull/531

Reviewed By: astreet

Differential Revision: D4970149

Pulled By: emilsjolander

fbshipit-source-id: b7fcdaa273143ea2fa35861620b2e4d79f04f0af

csharp/Yoga/YGInterop.cpp

@@ -9,19 +9,23 @@
 
 #include "YGInterop.h"
 
-static YGInteropLoggerFunc gManagedFunc;
+static YGInteropLogger gManagedLogger;
 
-static int unmanagedLogger(YGLogLevel level, const char *format, va_list args) {
+static int unmanagedLogger(const YGConfigRef config,
+                           const YGNodeRef node,
+                           YGLogLevel level,
+                           const char *format,
+                           va_list args) {
   int result = 0;
-  if (gManagedFunc) {
-    char buffer[256];
-    result = vsnprintf(buffer, sizeof(buffer), format, args);
-    (*gManagedFunc)(level, buffer);
+  if (gManagedLogger) {
+    char message[8192];
+    result = vsnprintf(message, sizeof(message), format, args);
+    (*gManagedLogger)(config, node, level, message);
   }
   return result;
 }
 
-void YGInteropSetLogger(YGInteropLoggerFunc managedFunc) {
-  gManagedFunc = managedFunc;
-  YGSetLogger(&unmanagedLogger);
+void YGInteropSetLogger(YGInteropLogger managedLogger) {
+  gManagedLogger = managedLogger;
+  YGSetLogger(YGConfigGetDefault(), &unmanagedLogger);
 }

csharp/Yoga/YGInterop.h

@@ -13,8 +13,13 @@
 
 YG_EXTERN_C_BEGIN
 
-typedef void (*YGInteropLoggerFunc)(YGLogLevel level, const char *message);
+typedef int (*YGInteropLogger)(const void *unmanagedConfigPtr,
+                               const void *unmanagedNodePtr,
+                               YGLogLevel level,
+                               const char *message);
 
-WIN_EXPORT void YGInteropSetLogger(YGInteropLoggerFunc managedFunc);
+WIN_EXPORT YGConfigRef YGConfigGetDefault();
+
+WIN_EXPORT void YGInteropSetLogger(YGInteropLogger managedLogger);
 
 YG_EXTERN_C_END