Support Void::PoolFFI when the value is undefined.

[cycript.git] / Internal.hpp

diff --git a/Internal.hpp b/Internal.hpp
index 0d6ae78c72d1664d19a5258339de584129ce5612..e6f2d45eb70d9cedcfba4ca45b05fb3649ccf1ff 100644 (file)
--- a/Internal.hpp
+++ b/Internal.hpp
@@ -1,5 +1,5 @@
-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2015  Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016  Jay Freeman (saurik)
 */
 
 /* GNU Affero General Public License, Version 3 {{{ */
@@ -34,16 +34,68 @@
 #include "Pooling.hpp"
 #include "Utility.hpp"
 
+struct CYPropertyName;
+
 JSGlobalContextRef CYGetJSContext(JSContextRef context);
 sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate);
 
-extern JSClassRef Functor_;
-
-struct Type_privateData :
+struct CYRoot :
     CYData
 {
+    // XXX: without this, CYData is zero-initialized?!
+    CYRoot() :
+        CYData()
+    {
+    }
+
+    _finline JSValueRef GetPrototype(JSContextRef context) const {
+        return NULL;
+    }
+};
+
+template <typename Internal_>
+struct CYPrivate {
     static JSClassRef Class_;
 
+    template <typename... Args_>
+    static JSObjectRef Make(JSContextRef context, Args_ &&... args) {
+        Internal_ *internal(new Internal_(cy::Forward<Args_>(args)...));
+        JSObjectRef object(JSObjectMake(context, Class_, internal));
+        if (JSValueRef prototype = internal->GetPrototype(context))
+            CYSetPrototype(context, object, prototype);
+        return object;
+    }
+
+    template <typename Arg_>
+    static JSObjectRef Cache(JSContextRef context, Arg_ *arg) {
+        JSObjectRef global(CYGetGlobalObject(context));
+        JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s)));
+
+        char label[32];
+        sprintf(label, "%s%p", Internal_::Cache_, arg);
+        CYJSString name(label);
+
+        JSValueRef value(CYGetProperty(context, cy, name));
+        if (!JSValueIsUndefined(context, value))
+            return CYCastJSObject(context, value);
+
+        JSObjectRef object(Make(context, arg));
+        CYSetProperty(context, cy, name, object);
+        return object;
+    }
+
+    static Internal_ *Get(JSContextRef context, JSObjectRef object) {
+        _assert(JSValueIsObjectOfClass(context, object, Class_));
+        return static_cast<Internal_ *>(JSObjectGetPrivate(object));
+    }
+};
+
+template <typename Internal_>
+JSClassRef CYPrivate<Internal_>::Class_;
+
+struct Type_privateData :
+    CYRoot
+{
     ffi_type *ffi_;
     sig::Type *type_;
 
@@ -89,59 +141,6 @@ struct Type_privateData :
     }
 };
 
-struct CYValue :
-    CYData
-{
-    void *value_;
-
-    CYValue() {
-    }
-
-    CYValue(const void *value) :
-        value_(const_cast<void *>(value))
-    {
-    }
-
-    CYValue(const CYValue &rhs) :
-        value_(rhs.value_)
-    {
-    }
-};
-
-template <typename Internal_, typename Value_>
-struct CYValue_ :
-    CYValue
-{
-    static JSClassRef Class_;
-
-    using CYValue::CYValue;
-
-    _finline Value_ GetValue() const {
-        return reinterpret_cast<Value_>(value_);
-    }
-
-    _finline JSValueRef GetPrototype(JSContextRef context) const {
-        return NULL;
-    }
-
-    template <typename... Args_>
-    _finline static JSClassRef GetClass(Args_ &&... args) {
-        return Class_;
-    }
-
-    template <typename... Args_>
-    static JSObjectRef Make(JSContextRef context, Args_ &&... args) {
-        Internal_ *internal(new Internal_(cy::Forward<Args_>(args)...));
-        JSObjectRef object(JSObjectMake(context, Internal_::GetClass(cy::Forward<Args_>(args)...), internal));
-        if (JSValueRef prototype = internal->GetPrototype(context))
-            CYSetPrototype(context, object, prototype);
-        return object;
-    }
-};
-
-template <typename Internal_, typename Value_>
-JSClassRef CYValue_<Internal_, Value_>::Class_;
-
 struct CYProtect {
   private:
     JSGlobalContextRef context_;
@@ -176,22 +175,53 @@ struct CYProtect {
     }
 };
 
+class CYBuffer {
+  private:
+    JSObjectRef owner_;
+    CYPool *pool_;
+
+  public:
+    CYBuffer(JSContextRef context) :
+        owner_(CYPrivate<CYRoot>::Make(context)),
+        pool_(CYPrivate<CYRoot>::Get(context, owner_)->pool_)
+    {
+        auto internal(CYPrivate<CYRoot>::Get(context, owner_));
+        internal->pool_->malloc<int>(10);
+    }
+
+    operator JSObjectRef() const {
+        return owner_;
+    }
+
+    operator CYPool *() const {
+        return pool_;
+    }
+
+    CYPool *operator ->() const {
+        return pool_;
+    }
+};
+
 namespace cy {
 struct Functor :
-    CYValue
+    CYRoot
 {
+  public:
+    static JSClassRef Class_;
+
   private:
     void set() {
         sig::sig_ffi_cif(*pool_, variadic_ ? signature_.count : 0, signature_, &cif_);
     }
 
   public:
+    void (*value_)();
     bool variadic_;
     sig::Signature signature_;
     ffi_cif cif_;
 
     Functor(void (*value)(), bool variadic, const sig::Signature &signature) :
-        CYValue(reinterpret_cast<void *>(value)),
+        value_(value),
         variadic_(variadic)
     {
         sig::Copy(*pool_, signature_, signature);
@@ -199,19 +229,14 @@ struct Functor :
     }
 
     Functor(void (*value)(), const char *encoding) :
-        CYValue(reinterpret_cast<void *>(value)),
+        value_(value),
         variadic_(false)
     {
         sig::Parse(*pool_, &signature_, encoding, &Structor_);
         set();
     }
 
-    void (*GetValue() const)() {
-        return reinterpret_cast<void (*)()>(value_);
-    }
-
-    static JSStaticFunction const * const StaticFunctions;
-    static JSStaticValue const * const StaticValues;
+    virtual CYPropertyName *GetName(CYPool &pool) const;
 }; }
 
 struct Closure_privateData :