From: Jay Freeman (saurik) <saurik@saurik.com>
Date: Sat, 9 Jan 2016 16:36:47 +0000 (-0800)
Subject: Pointer needs a special case to pull off functors.
X-Git-Tag: v0.9.590~18
X-Git-Url: https://git.saurik.com/cycript.git/commitdiff_plain/217f652fdefefc86d562d49f9815001653f99075?ds=sidebyside

Pointer needs a special case to pull off functors.
---

diff --git a/Execute.cpp b/Execute.cpp
index 0378d0b..6ded65e 100644
--- a/Execute.cpp
+++ b/Execute.cpp
@@ -703,6 +703,8 @@ void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess) {
     }
 }
 
+static JSValueRef FunctionAdapter_(JSContextRef context, size_t count, JSValueRef values[], JSObjectRef function);
+
 namespace sig {
 
 // XXX: this is somehow not quite a template :/
@@ -786,8 +788,15 @@ void Pointer::PoolFFI(CYPool *pool, JSContextRef context, ffi_type *ffi, void *d
     *reinterpret_cast<void **>(data) = CYCastPointer<void *>(context, value, &guess);
     if (!guess || pool == NULL || !JSValueIsObject(context, value))
         return;
+
     JSObjectRef object(CYCastJSObject(context, value));
-    if (CYHasProperty(context, object, length_s)) {
+
+    if (sig::Function *function = dynamic_cast<sig::Function *>(&type)) {
+        _assert(!function->variadic);
+        auto internal(CYMakeFunctor_(context, object, function->signature, &FunctionAdapter_));
+        // XXX: see notes in Library.cpp about needing to leak
+        *reinterpret_cast<void (**)()>(data) = internal->value_;
+    } else if (CYHasProperty(context, object, length_s)) {
         size_t length(CYArrayLength(context, object));
         ffi_type *element(type.GetFFI(*pool));
         size_t size(element->size * length);