summaryrefslogtreecommitdiff
path: root/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp')
-rw-r--r--src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp184
1 files changed, 0 insertions, 184 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp
deleted file mode 100644
index 502312c..0000000
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSValue.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- * Copyright (C) 2001 Peter Kelly (pmk@post.com)
- * Copyright (C) 2003, 2007, 2008 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#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 {
-
-static const double D32 = 4294967296.0;
-
-// ECMA 9.4
-double JSValue::toInteger(ExecState* exec) const
-{
- if (isInt32())
- return asInt32();
- double d = toNumber(exec);
- return isnan(d) ? 0.0 : trunc(d);
-}
-
-double JSValue::toIntegerPreserveNaN(ExecState* exec) const
-{
- 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 (!*this)
- snprintf(description, size, "<JSValue()>");
- else 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;
-
- if (d >= -D32 / 2 && d < D32 / 2)
- return static_cast<int32_t>(d);
-
- if (isnan(d) || isinf(d)) {
- ok = false;
- return 0;
- }
-
- double d32 = fmod(trunc(d), D32);
- if (d32 >= D32 / 2)
- d32 -= D32;
- else if (d32 < -D32 / 2)
- d32 += D32;
- return static_cast<int32_t>(d32);
-}
-
-uint32_t toUInt32SlowCase(double d, bool& ok)
-{
- ok = true;
-
- if (d >= 0.0 && d < D32)
- return static_cast<uint32_t>(d);
-
- if (isnan(d) || isinf(d)) {
- ok = false;
- return 0;
- }
-
- double d32 = fmod(trunc(d), D32);
- if (d32 < 0)
- d32 += D32;
- return static_cast<uint32_t>(d32);
-}
-
-NEVER_INLINE double nonInlineNaN()
-{
-#if OS(SYMBIAN)
- return nanval();
-#else
- return std::numeric_limits<double>::quiet_NaN();
-#endif
-}
-
-} // namespace JSC