Title: [203200] trunk/Source/_javascript_Core

Diff

Modified: trunk/Source/_javascript_Core/ChangeLog (203199 => 203200)


--- trunk/Source/_javascript_Core/ChangeLog	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/ChangeLog	2016-07-13 23:54:23 UTC (rev 203200)
@@ -1,3 +1,15 @@
+2016-07-13  Chris Dumez  <[email protected]>
+
+        Unreviewed, rolling out r203199.
+
+        Broke the build
+
+        Reverted changeset:
+
+        "Crashes with detached ArrayBuffers"
+        https://bugs.webkit.org/show_bug.cgi?id=157088
+        http://trac.webkit.org/changeset/203199
+
 2016-07-13  Keith Miller  <[email protected]>
 
         Crashes with detached ArrayBuffers

Modified: trunk/Source/_javascript_Core/builtins/TypedArrayPrototype.js (203199 => 203200)


--- trunk/Source/_javascript_Core/builtins/TypedArrayPrototype.js	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/builtins/TypedArrayPrototype.js	2016-07-13 23:54:23 UTC (rev 203200)
@@ -52,22 +52,6 @@
     return constructor;
 }
 
-@globalPrivate
-function typedArrayClampArgumentToStartOrEnd(value, length, undefinedValue)
-{
-    "use strict";
-
-    if (value === @undefined)
-        return undefinedValue;
-
-    let int = @toInteger(value);
-    if (int < 0) {
-        int += length;
-        return int < 0 ? 0 : int;
-    }
-    return int > length ? length : int;
-}
-
 function values()
 {
     "use strict";
@@ -106,29 +90,6 @@
     return true;
 }
 
-function fill(value /* [, start [, end]] */)
-{
-    "use strict";
-
-    let length = @typedArrayLength(this);
-    let start;
-    let end;
-
-    if (arguments.length > 1) {
-        start = arguments[1];
-        if (arguments.length > 2) {
-            end = arguments[2];
-        }
-    }
-
-    start = @typedArrayClampArgumentToStartOrEnd(start, length, 0);
-    end = @typedArrayClampArgumentToStartOrEnd(end, length, length);
-
-    for (let i = start; i < end; i++)
-        this[i] = value;
-    return this;
-}
-
 function find(callback /* [, thisArg] */)
 {
     "use strict";

Modified: trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayView.h (203199 => 203200)


--- trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayView.h	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayView.h	2016-07-13 23:54:23 UTC (rev 203200)
@@ -88,8 +88,6 @@
     Unobservable,
 };
 
-static const char* typedArrayBufferHasBeenDetachedErrorMessage = "Underlying ArrayBuffer has been detached from the view";
-
 template<typename Adaptor>
 class JSGenericTypedArrayView : public JSArrayBufferView {
 public:
@@ -162,7 +160,6 @@
     
     void setIndexQuickly(unsigned i, JSValue value)
     {
-        ASSERT(!value.isObject());
         setIndexQuicklyToNativeValue(i, toNativeFromValue<Adaptor>(value));
     }
     
@@ -172,11 +169,6 @@
         if (exec->hadException())
             return false;
 
-        if (isNeutered()) {
-            throwTypeError(exec, typedArrayBufferHasBeenDetachedErrorMessage);
-            return false;
-        }
-
         if (i >= m_length)
             return false;
 
@@ -188,6 +180,22 @@
 
     static bool toAdaptorNativeFromValue(ExecState* exec, JSValue jsValue, ElementType& result) { return toNativeFromValue<Adaptor>(exec, jsValue, result); }
 
+    bool setRangeToValue(ExecState* exec, unsigned start, unsigned end, JSValue jsValue)
+    {
+        ASSERT(0 <= start && start <= end && end <= m_length);
+
+        typename Adaptor::Type value = toNativeFromValue<Adaptor>(exec, jsValue);
+        if (exec->hadException())
+            return false;
+
+        // We might want to do something faster here (e.g. SIMD) if this is too slow.
+        typename Adaptor::Type* array = typedVector();
+        for (unsigned i = start; i < end; ++i)
+            array[i] = value;
+
+        return true;
+    }
+
     void sort()
     {
         switch (Adaptor::typeValue) {

Modified: trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayViewInlines.h (203199 => 203200)


--- trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayViewInlines.h	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayViewInlines.h	2016-07-13 23:54:23 UTC (rev 203200)
@@ -37,6 +37,8 @@
 
 namespace JSC {
 
+static const char* typedArrayBufferHasBeenDetachedErrorMessage = "Underlying ArrayBuffer has been detached from the view";
+
 template<typename Adaptor>
 JSGenericTypedArrayView<Adaptor>::JSGenericTypedArrayView(
     VM& vm, ConstructionContext& context)
@@ -323,6 +325,9 @@
 {
     JSGenericTypedArrayView* thisObject = jsCast<JSGenericTypedArrayView*>(cell);
 
+    if (thisObject->isNeutered())
+        return reject(exec, true, typedArrayBufferHasBeenDetachedErrorMessage);
+
     // https://tc39.github.io/ecma262/#sec-integer-indexed-exotic-objects-set-p-v-receiver
     // Ignore the receiver even if the receiver is altered to non base value.
     // 9.4.5.5-2-b-i Return ? IntegerIndexedElementSet(O, numericIndex, V).
@@ -403,6 +408,9 @@
 {
     JSGenericTypedArrayView* thisObject = jsCast<JSGenericTypedArrayView*>(cell);
 
+    if (thisObject->isNeutered())
+        return reject(exec, true, typedArrayBufferHasBeenDetachedErrorMessage);
+
     if (propertyName > MAX_ARRAY_INDEX) {
         PutPropertySlot slot(JSValue(thisObject), shouldThrow);
         return thisObject->methodTable()->put(thisObject, exec, Identifier::from(exec, propertyName), value, slot);

Modified: trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayViewPrototypeFunctions.h (203199 => 203200)


--- trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayViewPrototypeFunctions.h	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/runtime/JSGenericTypedArrayViewPrototypeFunctions.h	2016-07-13 23:54:23 UTC (rev 203200)
@@ -169,6 +169,39 @@
 }
 
 template<typename ViewClass>
+EncodedJSValue JSC_HOST_CALL genericTypedArrayViewProtoFuncFill(ExecState* exec)
+{
+    // 22.2.3.8
+    VM& vm = exec->vm();
+    ViewClass* thisObject = jsCast<ViewClass*>(exec->thisValue());
+    if (thisObject->isNeutered())
+        return throwVMTypeError(exec, typedArrayBufferHasBeenDetachedErrorMessage);
+
+    JSValue valueToInsert = exec->argument(0);
+    if (exec->hadException())
+        return JSValue::encode(jsUndefined());
+
+    unsigned length = thisObject->length();
+    unsigned begin = argumentClampedIndexFromStartOrEnd(exec, 1, length);
+    if (vm.exception())
+        return encodedJSValue();
+    unsigned end = argumentClampedIndexFromStartOrEnd(exec, 2, length, length);
+    if (vm.exception())
+        return encodedJSValue();
+
+    if (thisObject->isNeutered())
+        return throwVMTypeError(exec, typedArrayBufferHasBeenDetachedErrorMessage);
+
+    if (end < begin)
+        return JSValue::encode(exec->thisValue());
+
+    if (!thisObject->setRangeToValue(exec, begin, end, valueToInsert))
+        return JSValue::encode(jsUndefined());
+
+    return JSValue::encode(exec->thisValue());
+}
+
+template<typename ViewClass>
 EncodedJSValue JSC_HOST_CALL genericTypedArrayViewProtoFuncIncludes(ExecState* exec)
 {
     ViewClass* thisObject = jsCast<ViewClass*>(exec->thisValue());

Modified: trunk/Source/_javascript_Core/runtime/JSTypedArrayViewPrototype.cpp (203199 => 203200)


--- trunk/Source/_javascript_Core/runtime/JSTypedArrayViewPrototype.cpp	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/runtime/JSTypedArrayViewPrototype.cpp	2016-07-13 23:54:23 UTC (rev 203200)
@@ -114,6 +114,14 @@
     CALL_GENERIC_TYPEDARRAY_PROTOTYPE_FUNCTION(genericTypedArrayViewProtoFuncCopyWithin);
 }
 
+static EncodedJSValue JSC_HOST_CALL typedArrayViewProtoFuncFill(ExecState* exec)
+{
+    JSValue thisValue = exec->thisValue();
+    if (!thisValue.isObject())
+        return throwVMTypeError(exec, ASCIILiteral("Receiver should be a typed array view but was not an object"));
+    CALL_GENERIC_TYPEDARRAY_PROTOTYPE_FUNCTION(genericTypedArrayViewProtoFuncFill);
+}
+
 static EncodedJSValue JSC_HOST_CALL typedArrayViewProtoFuncIncludes(ExecState* exec)
 {
     JSValue thisValue = exec->thisValue();
@@ -259,12 +267,8 @@
     JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION("filter", typedArrayPrototypeFilterCodeGenerator, DontEnum);
     JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION("sort", typedArrayPrototypeSortCodeGenerator, DontEnum);
     JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().entriesPublicName(), typedArrayPrototypeEntriesCodeGenerator, DontEnum);
-<<<<<<< 89717806169cc89a6e2a731666fb44bd8845272e
     JSC_NATIVE_FUNCTION_WITHOUT_TRANSITION("fill", typedArrayViewProtoFuncFill, DontEnum, 1);
     JSC_NATIVE_FUNCTION_WITHOUT_TRANSITION("includes", typedArrayViewProtoFuncIncludes, DontEnum, 1);
-=======
-    JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION("fill", typedArrayPrototypeFillCodeGenerator, DontEnum);
->>>>>>> Crashes with detached ArrayBuffers
     JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION("find", typedArrayPrototypeFindCodeGenerator, DontEnum);
     JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION("findIndex", typedArrayPrototypeFindIndexCodeGenerator, DontEnum);
     JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->forEach, typedArrayPrototypeForEachCodeGenerator, DontEnum);

Modified: trunk/Source/_javascript_Core/tests/stress/typedarray-fill.js (203199 => 203200)


--- trunk/Source/_javascript_Core/tests/stress/typedarray-fill.js	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/tests/stress/typedarray-fill.js	2016-07-13 23:54:23 UTC (rev 203200)
@@ -32,18 +32,4 @@
 shouldBeTrue("testPrototypeFunction('fill', '(4, NaN, 5)', [14, 15, 10, 13, 44], [4, 4, 4, 4, 4])");
 shouldBeTrue("testPrototypeFunction('fill', '(4, -3, -2)', [14, 15, 10, 13, 44], [14, 15, 4, 13, 44])");
 shouldBeTrue("testPrototypeFunction('fill', '(4, 5, 5)', [14, 15, 10, 13, 44], [14, 15, 10, 13, 44])");
-
-debug("4.0 Coercion Testing");
-for (constructor of typedArrays) {
-    count = 0;
-    let p = new Proxy({}, { get(target, name) {
-        count++;
-        return target[name];
-    }});
-    new constructor(10).fill(p);
-    shouldBeTrue("count === 40");
-}
-
-
-
 finishJSTest();

Modified: trunk/Source/_javascript_Core/tests/stress/typedarray-functions-with-neutered.js (203199 => 203200)


--- trunk/Source/_javascript_Core/tests/stress/typedarray-functions-with-neutered.js	2016-07-13 23:38:44 UTC (rev 203199)
+++ trunk/Source/_javascript_Core/tests/stress/typedarray-functions-with-neutered.js	2016-07-13 23:54:23 UTC (rev 203200)
@@ -77,7 +77,7 @@
 prototypeFunctions = [
     { func:proto.copyWithin, args:["prim", "prim", "prim"] },
     { func:proto.every, args:["func"] },
-    { func:proto.fill, args:["prim", "prim", "prim"] },
+    { func:proto.fill, args:["ins", "prim", "prim"] },
     { func:proto.filter, args:["func"] },
     { func:proto.find, args:["func"] },
     { func:proto.findIndex, args:["func"] },
@@ -95,14 +95,12 @@
     { func:proto.subarray, args:["prim", "prim"] },
 ];
 
-function defaultForArg(arg, argNum)
+function defaultForArg(arg)
 {
     if (arg === "func")
-        return () => { return argNum; }
-    if (arg === "array")
-        return [1,2];
+        return () => { return 1; }
 
-    return argNum;
+    return 1;
 }
 
 function callWithArgs(func, array, args) {
@@ -129,40 +127,34 @@
         if (arg === "na")
             continue;
 
-        let array = new constructor(10);
+        let len = 10;
         if (arg === "func") {
+            let array = new constructor(len);
             callArgs[argNum] = () => {
                 transferArrayBuffer(array.buffer);
                 return func === array.every ? 1 : 0;
             };
             callWithArgs(func, array, callArgs);
-        } else if (arg === "prim") {
+        }
+
+        if (arg === "prim") {
+            let array = new constructor(len)
             callArgs[argNum] = { [Symbol.toPrimitive]() {
                 transferArrayBuffer(array.buffer);
-                return argNum;
-            } };
-            callWithArgs(func, array, callArgs);
-        } else if (arg === "array") {
-            callArgs[argNum] = new Array(4);
-            callArgs[argNum].fill(2);
-            let desc = { get: () => {
-                transferArrayBuffer(array.buffer);
                 return 1;
             } };
-            Object.defineProperty(callArgs[argNum], 1, desc);
             callWithArgs(func, array, callArgs);
-        } else
-            throw new Error(arg);
+        }
     }
 }
 
 function checkArguments({func, args}) {
     for (constructor of typedArrays)
-        checkArgumentsForType(func, args, constructor);
+        checkArgumentsForType(func, args, constructor)
 }
 
-function test2() {
+function test() {
     prototypeFunctions.forEach(checkArguments);
 }
 
-test2();
+test();
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