JavaScriptCore-584.tar.gz

[apple/javascriptcore.git] / runtime / ArrayConstructor.cpp

diff --git a/runtime/ArrayConstructor.cpp b/runtime/ArrayConstructor.cpp
index dd3ff4bc605a5d491fc65a1513686f2fc6396559..fb4449405130bd557d93cf576d57cb376b8d568a 100644 (file)
--- a/runtime/ArrayConstructor.cpp
+++ b/runtime/ArrayConstructor.cpp
@@ -25,14 +25,19 @@
 #include "ArrayConstructor.h"
 
 #include "ArrayPrototype.h"
+#include "Error.h"
 #include "JSArray.h"
+#include "JSFunction.h"
 #include "Lookup.h"
+#include "PrototypeFunction.h"
 
 namespace JSC {
 
 ASSERT_CLASS_FITS_IN_CELL(ArrayConstructor);
+    
+static JSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState*, JSObject*, JSValue, const ArgList&);
 
-ArrayConstructor::ArrayConstructor(ExecState* exec, PassRefPtr<Structure> structure, ArrayPrototype* arrayPrototype)
+ArrayConstructor::ArrayConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, ArrayPrototype* arrayPrototype, Structure* prototypeFunctionStructure)
     : InternalFunction(&exec->globalData(), structure, Identifier(exec, arrayPrototype->classInfo()->className))
 {
     // ECMA 15.4.3.1 Array.prototype
@@ -40,20 +45,23 @@ ArrayConstructor::ArrayConstructor(ExecState* exec, PassRefPtr<Structure> struct
 
     // no. of arguments for constructor
     putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontEnum | DontDelete);
+
+    // ES5
+    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 1, exec->propertyNames().isArray, arrayConstructorIsArray), DontEnum);
 }
 
-static JSObject* constructArrayWithSizeQuirk(ExecState* exec, const ArgList& args)
+static inline JSObject* constructArrayWithSizeQuirk(ExecState* exec, const ArgList& args)
 {
     // a single numeric argument denotes the array size (!)
-    if (args.size() == 1 && args.at(exec, 0).isNumber()) {
-        uint32_t n = args.at(exec, 0).toUInt32(exec);
-        if (n != args.at(exec, 0).toNumber(exec))
+    if (args.size() == 1 && args.at(0).isNumber()) {
+        uint32_t n = args.at(0).toUInt32(exec);
+        if (n != args.at(0).toNumber(exec))
             return throwError(exec, RangeError, "Array size is not a small enough positive integer.");
         return new (exec) JSArray(exec->lexicalGlobalObject()->arrayStructure(), n);
     }
 
     // otherwise the array is constructed with the arguments in it
-    return new (exec) JSArray(exec, exec->lexicalGlobalObject()->arrayStructure(), args);
+    return new (exec) JSArray(exec->lexicalGlobalObject()->arrayStructure(), args);
 }
 
 static JSObject* constructWithArrayConstructor(ExecState* exec, JSObject*, const ArgList& args)
@@ -68,7 +76,7 @@ ConstructType ArrayConstructor::getConstructData(ConstructData& constructData)
     return ConstructTypeHost;
 }
 
-static JSValuePtr callArrayConstructor(ExecState* exec, JSObject*, JSValuePtr, const ArgList& args)
+static JSValue JSC_HOST_CALL callArrayConstructor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
 {
     return constructArrayWithSizeQuirk(exec, args);
 }
@@ -81,4 +89,9 @@ CallType ArrayConstructor::getCallData(CallData& callData)
     return CallTypeHost;
 }
 
+JSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState*, JSObject*, JSValue, const ArgList& args)
+{
+    return jsBoolean(args.at(0).inherits(&JSArray::info));
+}
+
 } // namespace JSC