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-rw-r--r--src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp98
1 files changed, 94 insertions, 4 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp
index 885914dd82..39a4093d46 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp
@@ -23,8 +23,15 @@
#include "config.h"
#include "JSValue.h"
+#include "BooleanConstructor.h"
+#include "BooleanPrototype.h"
+#include "ExceptionHelpers.h"
+#include "JSGlobalObject.h"
#include "JSFunction.h"
+#include "JSNotAnObject.h"
+#include "NumberObject.h"
#include <wtf/MathExtras.h>
+#include <wtf/StringExtras.h>
namespace JSC {
@@ -33,19 +40,97 @@ static const double D32 = 4294967296.0;
// ECMA 9.4
double JSValue::toInteger(ExecState* exec) const
{
- if (isInt32Fast())
- return getInt32Fast();
+ if (isInt32())
+ return asInt32();
double d = toNumber(exec);
return isnan(d) ? 0.0 : trunc(d);
}
double JSValue::toIntegerPreserveNaN(ExecState* exec) const
{
- if (isInt32Fast())
- return getInt32Fast();
+ if (isInt32())
+ return asInt32();
return trunc(toNumber(exec));
}
+JSObject* JSValue::toObjectSlowCase(ExecState* exec) const
+{
+ ASSERT(!isCell());
+
+ if (isInt32() || isDouble())
+ return constructNumber(exec, asValue());
+ if (isTrue() || isFalse())
+ return constructBooleanFromImmediateBoolean(exec, asValue());
+ ASSERT(isUndefinedOrNull());
+ JSNotAnObjectErrorStub* exception = createNotAnObjectErrorStub(exec, isNull());
+ exec->setException(exception);
+ return new (exec) JSNotAnObject(exec, exception);
+}
+
+JSObject* JSValue::toThisObjectSlowCase(ExecState* exec) const
+{
+ ASSERT(!isCell());
+
+ if (isInt32() || isDouble())
+ return constructNumber(exec, asValue());
+ if (isTrue() || isFalse())
+ return constructBooleanFromImmediateBoolean(exec, asValue());
+ ASSERT(isUndefinedOrNull());
+ return exec->globalThisValue();
+}
+
+JSObject* JSValue::synthesizeObject(ExecState* exec) const
+{
+ ASSERT(!isCell());
+ if (isNumber())
+ return constructNumber(exec, asValue());
+ if (isBoolean())
+ return constructBooleanFromImmediateBoolean(exec, asValue());
+
+ JSNotAnObjectErrorStub* exception = createNotAnObjectErrorStub(exec, isNull());
+ exec->setException(exception);
+ return new (exec) JSNotAnObject(exec, exception);
+}
+
+JSObject* JSValue::synthesizePrototype(ExecState* exec) const
+{
+ ASSERT(!isCell());
+ if (isNumber())
+ return exec->lexicalGlobalObject()->numberPrototype();
+ if (isBoolean())
+ return exec->lexicalGlobalObject()->booleanPrototype();
+
+ JSNotAnObjectErrorStub* exception = createNotAnObjectErrorStub(exec, isNull());
+ exec->setException(exception);
+ return new (exec) JSNotAnObject(exec, exception);
+}
+
+#ifndef NDEBUG
+char* JSValue::description()
+{
+ static const size_t size = 32;
+ static char description[size];
+ if (isInt32())
+ snprintf(description, size, "Int32: %d", asInt32());
+ else if (isDouble())
+ snprintf(description, size, "Double: %lf", asDouble());
+ else if (isCell())
+ snprintf(description, size, "Cell: %p", asCell());
+ else if (isTrue())
+ snprintf(description, size, "True");
+ else if (isFalse())
+ snprintf(description, size, "False");
+ else if (isNull())
+ snprintf(description, size, "Null");
+ else {
+ ASSERT(isUndefined());
+ snprintf(description, size, "Undefined");
+ }
+
+ return description;
+}
+#endif
+
int32_t toInt32SlowCase(double d, bool& ok)
{
ok = true;
@@ -84,4 +169,9 @@ uint32_t toUInt32SlowCase(double d, bool& ok)
return static_cast<uint32_t>(d32);
}
+NEVER_INLINE double nonInlineNaN()
+{
+ return std::numeric_limits<double>::quiet_NaN();
+}
+
} // namespace JSC