JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / API / JSValueRef.cpp

diff --git a/API/JSValueRef.cpp b/API/JSValueRef.cpp
index a12cc3409a2e10dd5ef6c8986fe187e6bdf8276a..9b7268a2da63009ef255d00b30cb17be98ceddb6 100644 (file)
--- a/API/JSValueRef.cpp
+++ b/API/JSValueRef.cpp
@@ -26,19 +26,21 @@
 #include "config.h"
 #include "JSValueRef.h"
 
-#include <wtf/Platform.h>
 #include "APICast.h"
 #include "APIShims.h"
 #include "JSCallbackObject.h"
 
 #include <runtime/JSGlobalObject.h>
+#include <runtime/JSONObject.h>
 #include <runtime/JSString.h>
+#include <runtime/LiteralParser.h>
 #include <runtime/Operations.h>
 #include <runtime/Protect.h>
 #include <runtime/UString.h>
 #include <runtime/JSValue.h>
 
 #include <wtf/Assertions.h>
+#include <wtf/text/StringHash.h>
 
 #include <algorithm> // for std::min
 
@@ -127,10 +129,10 @@ bool JSValueIsObjectOfClass(JSContextRef ctx, JSValueRef value, JSClassRef jsCla
     JSValue jsValue = toJS(exec, value);
     
     if (JSObject* o = jsValue.getObject()) {
-        if (o->inherits(&JSCallbackObject<JSGlobalObject>::info))
-            return static_cast<JSCallbackObject<JSGlobalObject>*>(o)->inherits(jsClass);
-        else if (o->inherits(&JSCallbackObject<JSObject>::info))
-            return static_cast<JSCallbackObject<JSObject>*>(o)->inherits(jsClass);
+        if (o->inherits(&JSCallbackObject<JSGlobalObject>::s_info))
+            return jsCast<JSCallbackObject<JSGlobalObject>*>(o)->inherits(jsClass);
+        if (o->inherits(&JSCallbackObject<JSNonFinalObject>::s_info))
+            return jsCast<JSCallbackObject<JSNonFinalObject>*>(o)->inherits(jsClass);
     }
     return false;
 }
@@ -173,7 +175,7 @@ bool JSValueIsInstanceOfConstructor(JSContextRef ctx, JSValueRef value, JSObject
     JSObject* jsConstructor = toJS(constructor);
     if (!jsConstructor->structure()->typeInfo().implementsHasInstance())
         return false;
-    bool result = jsConstructor->hasInstance(exec, jsValue, jsConstructor->get(exec, exec->propertyNames().prototype)); // false if an exception is thrown
+    bool result = jsConstructor->methodTable()->hasInstance(jsConstructor, exec, jsValue, jsConstructor->get(exec, exec->propertyNames().prototype)); // false if an exception is thrown
     if (exec->hadException()) {
         if (exception)
             *exception = toRef(exec, exec->exception());
@@ -211,7 +213,13 @@ JSValueRef JSValueMakeNumber(JSContextRef ctx, double value)
     ExecState* exec = toJS(ctx);
     APIEntryShim entryShim(exec);
 
-    return toRef(exec, jsNumber(exec, value));
+    // Our JSValue representation relies on a standard bit pattern for NaN. NaNs
+    // generated internally to JavaScriptCore naturally have that representation,
+    // but an external NaN might not.
+    if (isnan(value))
+        value = std::numeric_limits<double>::quiet_NaN();
+
+    return toRef(exec, jsNumber(value));
 }
 
 JSValueRef JSValueMakeString(JSContextRef ctx, JSStringRef string)
@@ -222,6 +230,36 @@ JSValueRef JSValueMakeString(JSContextRef ctx, JSStringRef string)
     return toRef(exec, jsString(exec, string->ustring()));
 }
 
+JSValueRef JSValueMakeFromJSONString(JSContextRef ctx, JSStringRef string)
+{
+    ExecState* exec = toJS(ctx);
+    APIEntryShim entryShim(exec);
+    UString str = string->ustring();
+    if (str.is8Bit()) {
+        LiteralParser<LChar> parser(exec, str.characters8(), str.length(), StrictJSON);
+        return toRef(exec, parser.tryLiteralParse());
+    }
+    LiteralParser<UChar> parser(exec, str.characters16(), str.length(), StrictJSON);
+    return toRef(exec, parser.tryLiteralParse());
+}
+
+JSStringRef JSValueCreateJSONString(JSContextRef ctx, JSValueRef apiValue, unsigned indent, JSValueRef* exception)
+{
+    ExecState* exec = toJS(ctx);
+    APIEntryShim entryShim(exec);
+    JSValue value = toJS(exec, apiValue);
+    UString result = JSONStringify(exec, value, indent);
+    if (exception)
+        *exception = 0;
+    if (exec->hadException()) {
+        if (exception)
+            *exception = toRef(exec, exec->exception());
+        exec->clearException();
+        return 0;
+    }
+    return OpaqueJSString::create(result).leakRef();
+}
+
 bool JSValueToBoolean(JSContextRef ctx, JSValueRef value)
 {
     ExecState* exec = toJS(ctx);
@@ -243,7 +281,7 @@ double JSValueToNumber(JSContextRef ctx, JSValueRef value, JSValueRef* exception
         if (exception)
             *exception = toRef(exec, exec->exception());
         exec->clearException();
-        number = NaN;
+        number = std::numeric_limits<double>::quiet_NaN();
     }
     return number;
 }
@@ -255,14 +293,14 @@ JSStringRef JSValueToStringCopy(JSContextRef ctx, JSValueRef value, JSValueRef*
 
     JSValue jsValue = toJS(exec, value);
     
-    RefPtr<OpaqueJSString> stringRef(OpaqueJSString::create(jsValue.toString(exec)));
+    RefPtr<OpaqueJSString> stringRef(OpaqueJSString::create(jsValue.toString(exec)->value(exec)));
     if (exec->hadException()) {
         if (exception)
             *exception = toRef(exec, exec->exception());
         exec->clearException();
         stringRef.clear();
     }
-    return stringRef.release().releaseRef();
+    return stringRef.release().leakRef();
 }
 
 JSObjectRef JSValueToObject(JSContextRef ctx, JSValueRef value, JSValueRef* exception)