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<title>[182297] trunk/Source/JavaScriptCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/182297">182297</a></dd>
<dt>Author</dt> <dd>ggaren@apple.com</dd>
<dt>Date</dt> <dd>2015-04-02 17:09:42 -0700 (Thu, 02 Apr 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>JavaScriptCore API should support type checking for Array and Date
https://bugs.webkit.org/show_bug.cgi?id=143324
Reviewed by Darin Adler, Sam Weinig, Dan Bernstein.
* API/JSValue.h:
* API/JSValue.mm:
(-[JSValue isArray]):
(-[JSValue isDate]): Added an ObjC API.
* API/JSValueRef.cpp:
(JSValueIsArray):
(JSValueIsDate):
* API/JSValueRef.h: Added a C API.
* API/WebKitAvailability.h: Brought our availability macros up to date
and fixed a harmless bug where "10_10" translated to "10.0".
* API/tests/testapi.c:
(main): Added a test and corrected a pre-existing leak.
* API/tests/testapi.mm:
(testObjectiveCAPI): Added a test.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreAPIJSValueh">trunk/Source/JavaScriptCore/API/JSValue.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreAPIJSValuemm">trunk/Source/JavaScriptCore/API/JSValue.mm</a></li>
<li><a href="#trunkSourceJavaScriptCoreAPIJSValueRefcpp">trunk/Source/JavaScriptCore/API/JSValueRef.cpp</a></li>
<li><a href="#trunkSourceJavaScriptCoreAPIJSValueRefh">trunk/Source/JavaScriptCore/API/JSValueRef.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreAPIWebKitAvailabilityh">trunk/Source/JavaScriptCore/API/WebKitAvailability.h</a></li>
<li><a href="#trunkSourceJavaScriptCoreAPIteststestapic">trunk/Source/JavaScriptCore/API/tests/testapi.c</a></li>
<li><a href="#trunkSourceJavaScriptCoreAPIteststestapimm">trunk/Source/JavaScriptCore/API/tests/testapi.mm</a></li>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreAPIJSValueh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/API/JSValue.h (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/API/JSValue.h 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/API/JSValue.h 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -417,6 +417,18 @@
</span><span class="cx">
</span><span class="cx"> /*!
</span><span class="cx"> @method
</span><ins>+@abstract Check if a JSValue is an array.
+*/
+- (BOOL)isArray NS_AVAILABLE(10_11, 9_0);
+
+/*!
+@method
+@abstract Check if a JSValue is a date.
+*/
+- (BOOL)isDate NS_AVAILABLE(10_11, 9_0);
+
+/*!
+@method
</ins><span class="cx"> @abstract Compare two JSValues using JavaScript's <code>===</code> operator.
</span><span class="cx"> */
</span><span class="cx"> - (BOOL)isEqualToObject:(id)value;
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreAPIJSValuemm"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/API/JSValue.mm (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/API/JSValue.mm 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/API/JSValue.mm 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -356,6 +356,16 @@
</span><span class="cx"> return JSValueIsObject([_context JSGlobalContextRef], m_value);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+- (BOOL)isArray
+{
+ return JSValueIsArray([_context JSGlobalContextRef], m_value);
+}
+
+- (BOOL)isDate
+{
+ return JSValueIsDate([_context JSGlobalContextRef], m_value);
+}
+
</ins><span class="cx"> - (BOOL)isEqualToObject:(id)value
</span><span class="cx"> {
</span><span class="cx"> return JSValueIsStrictEqual([_context JSGlobalContextRef], m_value, objectToValue(_context, value));
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreAPIJSValueRefcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/API/JSValueRef.cpp (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/API/JSValueRef.cpp 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/API/JSValueRef.cpp 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -27,22 +27,21 @@
</span><span class="cx"> #include "JSValueRef.h"
</span><span class="cx">
</span><span class="cx"> #include "APICast.h"
</span><ins>+#include "DateInstance.h"
</ins><span class="cx"> #include "JSAPIWrapperObject.h"
</span><ins>+#include "JSCInlines.h"
</ins><span class="cx"> #include "JSCJSValue.h"
</span><span class="cx"> #include "JSCallbackObject.h"
</span><span class="cx"> #include "JSGlobalObject.h"
</span><span class="cx"> #include "JSONObject.h"
</span><span class="cx"> #include "JSString.h"
</span><span class="cx"> #include "LiteralParser.h"
</span><del>-#include "JSCInlines.h"
</del><span class="cx"> #include "Protect.h"
</span><del>-
</del><ins>+#include <algorithm>
</ins><span class="cx"> #include <wtf/Assertions.h>
</span><span class="cx"> #include <wtf/text/StringHash.h>
</span><span class="cx"> #include <wtf/text/WTFString.h>
</span><span class="cx">
</span><del>-#include <algorithm> // for std::min
-
</del><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx"> #include <mach-o/dyld.h>
</span><span class="cx"> #endif
</span><span class="lines">@@ -98,8 +97,7 @@
</span><span class="cx"> ExecState* exec = toJS(ctx);
</span><span class="cx"> JSLockHolder locker(exec);
</span><span class="cx">
</span><del>- JSValue jsValue = toJS(exec, value);
- return jsValue.isUndefined();
</del><ins>+ return toJS(exec, value).isUndefined();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> bool JSValueIsNull(JSContextRef ctx, JSValueRef value)
</span><span class="lines">@@ -111,8 +109,7 @@
</span><span class="cx"> ExecState* exec = toJS(ctx);
</span><span class="cx"> JSLockHolder locker(exec);
</span><span class="cx">
</span><del>- JSValue jsValue = toJS(exec, value);
- return jsValue.isNull();
</del><ins>+ return toJS(exec, value).isNull();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> bool JSValueIsBoolean(JSContextRef ctx, JSValueRef value)
</span><span class="lines">@@ -124,8 +121,7 @@
</span><span class="cx"> ExecState* exec = toJS(ctx);
</span><span class="cx"> JSLockHolder locker(exec);
</span><span class="cx">
</span><del>- JSValue jsValue = toJS(exec, value);
- return jsValue.isBoolean();
</del><ins>+ return toJS(exec, value).isBoolean();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> bool JSValueIsNumber(JSContextRef ctx, JSValueRef value)
</span><span class="lines">@@ -137,8 +133,7 @@
</span><span class="cx"> ExecState* exec = toJS(ctx);
</span><span class="cx"> JSLockHolder locker(exec);
</span><span class="cx">
</span><del>- JSValue jsValue = toJS(exec, value);
- return jsValue.isNumber();
</del><ins>+ return toJS(exec, value).isNumber();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> bool JSValueIsString(JSContextRef ctx, JSValueRef value)
</span><span class="lines">@@ -150,8 +145,7 @@
</span><span class="cx"> ExecState* exec = toJS(ctx);
</span><span class="cx"> JSLockHolder locker(exec);
</span><span class="cx">
</span><del>- JSValue jsValue = toJS(exec, value);
- return jsValue.isString();
</del><ins>+ return toJS(exec, value).isString();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> bool JSValueIsObject(JSContextRef ctx, JSValueRef value)
</span><span class="lines">@@ -163,10 +157,33 @@
</span><span class="cx"> ExecState* exec = toJS(ctx);
</span><span class="cx"> JSLockHolder locker(exec);
</span><span class="cx">
</span><del>- JSValue jsValue = toJS(exec, value);
- return jsValue.isObject();
</del><ins>+ return toJS(exec, value).isObject();
</ins><span class="cx"> }
</span><span class="cx">
</span><ins>+bool JSValueIsArray(JSContextRef ctx, JSValueRef value)
+{
+ if (!ctx) {
+ ASSERT_NOT_REACHED();
+ return false;
+ }
+ ExecState* exec = toJS(ctx);
+ JSLockHolder locker(exec);
+
+ return toJS(exec, value).inherits(JSArray::info());
+}
+
+bool JSValueIsDate(JSContextRef ctx, JSValueRef value)
+{
+ if (!ctx) {
+ ASSERT_NOT_REACHED();
+ return false;
+ }
+ ExecState* exec = toJS(ctx);
+ JSLockHolder locker(exec);
+
+ return toJS(exec, value).inherits(DateInstance::info());
+}
+
</ins><span class="cx"> bool JSValueIsObjectOfClass(JSContextRef ctx, JSValueRef value, JSClassRef jsClass)
</span><span class="cx"> {
</span><span class="cx"> if (!ctx || !jsClass) {
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreAPIJSValueRefh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/API/JSValueRef.h (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/API/JSValueRef.h 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/API/JSValueRef.h 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -129,6 +129,24 @@
</span><span class="cx"> */
</span><span class="cx"> JS_EXPORT bool JSValueIsObjectOfClass(JSContextRef ctx, JSValueRef value, JSClassRef jsClass);
</span><span class="cx">
</span><ins>+/*!
+@function
+@abstract Tests whether a JavaScript value is an array.
+@param ctx The execution context to use.
+@param value The JSValue to test.
+@result true if value is an array, otherwise false.
+*/
+JS_EXPORT bool JSValueIsArray(JSContextRef ctx, JSValueRef value) CF_AVAILABLE(10_11, 9_0);
+
+/*!
+@function
+@abstract Tests whether a JavaScript value is a date.
+@param ctx The execution context to use.
+@param value The JSValue to test.
+@result true if value is a date, otherwise false.
+*/
+JS_EXPORT bool JSValueIsDate(JSContextRef ctx, JSValueRef value) CF_AVAILABLE(10_11, 9_0);
+
</ins><span class="cx"> /* Comparing values */
</span><span class="cx">
</span><span class="cx"> /*!
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreAPIWebKitAvailabilityh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/API/WebKitAvailability.h (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/API/WebKitAvailability.h 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/API/WebKitAvailability.h 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -31,7 +31,7 @@
</span><span class="cx"> #include <AvailabilityMacros.h>
</span><span class="cx"> #include <CoreFoundation/CoreFoundation.h>
</span><span class="cx">
</span><del>-#if !TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED <= 1090
</del><ins>+#if !TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED <= 101100
</ins><span class="cx"> /* To support availability macros that mention newer OS X versions when building on older OS X versions,
</span><span class="cx"> we provide our own definitions of the underlying macros that the availability macros expand to. We're
</span><span class="cx"> free to expand the macros as no-ops since frameworks built on older OS X versions only ship bundled with
</span><span class="lines">@@ -39,9 +39,13 @@
</span><span class="cx"> */
</span><span class="cx">
</span><span class="cx"> #ifndef __NSi_10_10
</span><del>-#define __NSi_10_10 introduced=10.0
</del><ins>+#define __NSi_10_10 introduced=10.10
</ins><span class="cx"> #endif
</span><span class="cx">
</span><ins>+#ifndef __NSi_10_11
+#define __NSi_10_11 introduced=10.11
+#endif
+
</ins><span class="cx"> #ifndef __AVAILABILITY_INTERNAL__MAC_10_9
</span><span class="cx"> #define __AVAILABILITY_INTERNAL__MAC_10_9
</span><span class="cx"> #endif
</span><span class="lines">@@ -58,7 +62,7 @@
</span><span class="cx"> #define AVAILABLE_MAC_OS_X_VERSION_10_10_AND_LATER
</span><span class="cx"> #endif
</span><span class="cx">
</span><del>-#endif /* __MAC_OS_X_VERSION_MIN_REQUIRED <= 1090 */
</del><ins>+#endif /* __MAC_OS_X_VERSION_MIN_REQUIRED <= 101100 */
</ins><span class="cx">
</span><span class="cx"> #else
</span><span class="cx"> #define CF_AVAILABLE(_mac, _ios)
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreAPIteststestapic"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/API/tests/testapi.c (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/API/tests/testapi.c 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/API/tests/testapi.c 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -1248,6 +1248,8 @@
</span><span class="cx">
</span><span class="cx"> ASSERT(!JSValueIsBoolean(context, NULL));
</span><span class="cx"> ASSERT(!JSValueIsObject(context, NULL));
</span><ins>+ ASSERT(!JSValueIsArray(context, NULL));
+ ASSERT(!JSValueIsDate(context, NULL));
</ins><span class="cx"> ASSERT(!JSValueIsString(context, NULL));
</span><span class="cx"> ASSERT(!JSValueIsNumber(context, NULL));
</span><span class="cx"> ASSERT(!JSValueIsUndefined(context, NULL));
</span><span class="lines">@@ -1408,8 +1410,10 @@
</span><span class="cx"> } else
</span><span class="cx"> printf("PASS: Correctly serialised with indent of 4.\n");
</span><span class="cx"> JSStringRelease(str);
</span><del>- JSStringRef src = JSStringCreateWithUTF8CString("({get a(){ throw '';}})");
- JSValueRef unstringifiableObj = JSEvaluateScript(context, src, NULL, NULL, 1, NULL);
</del><ins>+
+ str = JSStringCreateWithUTF8CString("({get a(){ throw '';}})");
+ JSValueRef unstringifiableObj = JSEvaluateScript(context, str, NULL, NULL, 1, NULL);
+ JSStringRelease(str);
</ins><span class="cx">
</span><span class="cx"> str = JSValueCreateJSONString(context, unstringifiableObj, 4, 0);
</span><span class="cx"> if (str) {
</span><span class="lines">@@ -1777,6 +1781,16 @@
</span><span class="cx"> ASSERT(JSValueIsEqual(context, v, o, NULL));
</span><span class="cx"> JSStringRelease(script);
</span><span class="cx">
</span><ins>+ script = JSStringCreateWithUTF8CString("[ ]");
+ v = JSEvaluateScript(context, script, NULL, NULL, 1, NULL);
+ ASSERT(JSValueIsArray(context, v));
+ JSStringRelease(script);
+
+ script = JSStringCreateWithUTF8CString("new Date");
+ v = JSEvaluateScript(context, script, NULL, NULL, 1, NULL);
+ ASSERT(JSValueIsDate(context, v));
+ JSStringRelease(script);
+
</ins><span class="cx"> exception = NULL;
</span><span class="cx"> script = JSStringCreateWithUTF8CString("rreturn Array;");
</span><span class="cx"> JSStringRef sourceURL = JSStringCreateWithUTF8CString("file:///foo/bar.js");
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreAPIteststestapimm"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/API/tests/testapi.mm (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/API/tests/testapi.mm 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/API/tests/testapi.mm 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -530,6 +530,18 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> @autoreleasepool {
</span><ins>+ JSContext *context = [[JSContext alloc] init];
+ JSValue *result = [context evaluateScript:@"[ ]"];
+ checkResult(@"[ ]", [result isArray]);
+ }
+
+ @autoreleasepool {
+ JSContext *context = [[JSContext alloc] init];
+ JSValue *result = [context evaluateScript:@"new Date"];
+ checkResult(@"new Date", [result isDate]);
+ }
+
+ @autoreleasepool {
</ins><span class="cx"> JSCollection* myPrivateProperties = [[JSCollection alloc] init];
</span><span class="cx">
</span><span class="cx"> @autoreleasepool {
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (182296 => 182297)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2015-04-02 23:19:42 UTC (rev 182296)
+++ trunk/Source/JavaScriptCore/ChangeLog 2015-04-03 00:09:42 UTC (rev 182297)
</span><span class="lines">@@ -1,3 +1,29 @@
</span><ins>+2015-04-02 Geoffrey Garen <ggaren@apple.com>
+
+ JavaScriptCore API should support type checking for Array and Date
+ https://bugs.webkit.org/show_bug.cgi?id=143324
+
+ Reviewed by Darin Adler, Sam Weinig, Dan Bernstein.
+
+ * API/JSValue.h:
+ * API/JSValue.mm:
+ (-[JSValue isArray]):
+ (-[JSValue isDate]): Added an ObjC API.
+
+ * API/JSValueRef.cpp:
+ (JSValueIsArray):
+ (JSValueIsDate):
+ * API/JSValueRef.h: Added a C API.
+
+ * API/WebKitAvailability.h: Brought our availability macros up to date
+ and fixed a harmless bug where "10_10" translated to "10.0".
+
+ * API/tests/testapi.c:
+ (main): Added a test and corrected a pre-existing leak.
+
+ * API/tests/testapi.mm:
+ (testObjectiveCAPI): Added a test.
+
</ins><span class="cx"> 2015-04-02 Mark Lam <mark.lam@apple.com>
</span><span class="cx">
</span><span class="cx"> Add Options::dumpSourceAtDFGTime().
</span></span></pre>
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