add an optimization for "ref-struct" types, and potentially other "wr…

…apper" types
node-ffi · May 16, 2012 · 44ac2da · 44ac2da
1 parent c350f9c
commit 44ac2da
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/lib/foreign_function.js b/lib/foreign_function.js
@@ -62,7 +62,13 @@ function ForeignFunction (func, returnType, argTypes, abi) {
       var argType = argTypes[i]
         , val = arguments[i]
 
-      var valPtr = ref.alloc(argType, val)
+      var valPtr
+      if (val && val._pointer) {
+        debug('using the "_pointer" property for argument at index', i)
+        valPtr = val._pointer
+      } else {
+        valPtr = ref.alloc(argType, val)
+      }
       argsList.writePointer(valPtr, i * POINTER_SIZE)
     }
 
@@ -101,7 +107,13 @@ function ForeignFunction (func, returnType, argTypes, abi) {
       var argType = argTypes[i]
         , val = arguments[i]
 
-      var valPtr = ref.alloc(argType, val)
+      var valPtr
+      if (val && val._pointer) {
+        debug('using the "_pointer" property for argument at index', i)
+        valPtr = val._pointer
+      } else {
+        valPtr = ref.alloc(argType, val)
+      }
       argsList.writePointer(valPtr, i * POINTER_SIZE)
     }