X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/14957cd040308e3eeec43d26bae5d76da13fcd85..ed1e77d3adeb83d26fd1dfb16dd84cabdcefd250:/runtime/Arguments.cpp?ds=sidebyside

diff --git a/runtime/Arguments.cpp b/runtime/Arguments.cpp
deleted file mode 100644
index ec6cc8f..0000000
--- a/runtime/Arguments.cpp
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- *  Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
- *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
- *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Cameron Zwarich (cwzwarich@uwaterloo.ca)
- *  Copyright (C) 2007 Maks Orlovich
- *
- *  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 "Arguments.h"
-
-#include "JSActivation.h"
-#include "JSFunction.h"
-#include "JSGlobalObject.h"
-
-using namespace std;
-
-namespace JSC {
-
-ASSERT_CLASS_FITS_IN_CELL(Arguments);
-
-const ClassInfo Arguments::s_info = { "Arguments", &JSNonFinalObject::s_info, 0, 0 };
-
-Arguments::~Arguments()
-{
-    if (d->extraArguments != d->extraArgumentsFixedBuffer)
-        delete [] d->extraArguments;
-}
-
-void Arguments::visitChildren(SlotVisitor& visitor)
-{
-    ASSERT_GC_OBJECT_INHERITS(this, &s_info);
-    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
-    ASSERT(structure()->typeInfo().overridesVisitChildren());
-    JSObject::visitChildren(visitor);
-
-    if (d->registerArray)
-        visitor.appendValues(d->registerArray.get(), d->numParameters);
-
-    if (d->extraArguments) {
-        unsigned numExtraArguments = d->numArguments - d->numParameters;
-        visitor.appendValues(d->extraArguments, numExtraArguments);
-    }
-
-    visitor.append(&d->callee);
-
-    if (d->activation)
-        visitor.append(&d->activation);
-}
-
-void Arguments::copyToRegisters(ExecState* exec, Register* buffer, uint32_t maxSize)
-{
-    if (UNLIKELY(d->overrodeLength)) {
-        unsigned length = min(get(exec, exec->propertyNames().length).toUInt32(exec), maxSize);
-        for (unsigned i = 0; i < length; i++)
-            buffer[i] = get(exec, i);
-        return;
-    }
-
-    if (LIKELY(!d->deletedArguments)) {
-        unsigned parametersLength = min(min(d->numParameters, d->numArguments), maxSize);
-        unsigned i = 0;
-        for (; i < parametersLength; ++i)
-            buffer[i] = d->registers[d->firstParameterIndex + i].get();
-        for (; i < d->numArguments; ++i)
-            buffer[i] = d->extraArguments[i - d->numParameters].get();
-        return;
-    }
-    
-    unsigned parametersLength = min(min(d->numParameters, d->numArguments), maxSize);
-    unsigned i = 0;
-    for (; i < parametersLength; ++i) {
-        if (!d->deletedArguments[i])
-            buffer[i] = d->registers[d->firstParameterIndex + i].get();
-        else
-            buffer[i] = get(exec, i);
-    }
-    for (; i < d->numArguments; ++i) {
-        if (!d->deletedArguments[i])
-            buffer[i] = d->extraArguments[i - d->numParameters].get();
-        else
-            buffer[i] = get(exec, i);
-    }
-}
-
-void Arguments::fillArgList(ExecState* exec, MarkedArgumentBuffer& args)
-{
-    if (UNLIKELY(d->overrodeLength)) {
-        unsigned length = get(exec, exec->propertyNames().length).toUInt32(exec); 
-        for (unsigned i = 0; i < length; i++) 
-            args.append(get(exec, i)); 
-        return;
-    }
-
-    if (LIKELY(!d->deletedArguments)) {
-        if (LIKELY(!d->numParameters)) {
-            args.initialize(d->extraArguments, d->numArguments);
-            return;
-        }
-
-        if (d->numParameters == d->numArguments) {
-            args.initialize(&d->registers[d->firstParameterIndex], d->numArguments);
-            return;
-        }
-
-        unsigned parametersLength = min(d->numParameters, d->numArguments);
-        unsigned i = 0;
-        for (; i < parametersLength; ++i)
-            args.append(d->registers[d->firstParameterIndex + i].get());
-        for (; i < d->numArguments; ++i)
-            args.append(d->extraArguments[i - d->numParameters].get());
-        return;
-    }
-
-    unsigned parametersLength = min(d->numParameters, d->numArguments);
-    unsigned i = 0;
-    for (; i < parametersLength; ++i) {
-        if (!d->deletedArguments[i])
-            args.append(d->registers[d->firstParameterIndex + i].get());
-        else
-            args.append(get(exec, i));
-    }
-    for (; i < d->numArguments; ++i) {
-        if (!d->deletedArguments[i])
-            args.append(d->extraArguments[i - d->numParameters].get());
-        else
-            args.append(get(exec, i));
-    }
-}
-
-bool Arguments::getOwnPropertySlot(ExecState* exec, unsigned i, PropertySlot& slot)
-{
-    if (i < d->numArguments && (!d->deletedArguments || !d->deletedArguments[i])) {
-        if (i < d->numParameters) {
-            slot.setValue(d->registers[d->firstParameterIndex + i].get());
-        } else
-            slot.setValue(d->extraArguments[i - d->numParameters].get());
-        return true;
-    }
-
-    return JSObject::getOwnPropertySlot(exec, Identifier(exec, UString::number(i)), slot);
-}
-    
-void Arguments::createStrictModeCallerIfNecessary(ExecState* exec)
-{
-    if (d->overrodeCaller)
-        return;
-
-    d->overrodeCaller = true;
-    PropertyDescriptor descriptor;
-    JSValue thrower = createTypeErrorFunction(exec, "Unable to access caller of strict mode function");
-    descriptor.setAccessorDescriptor(thrower, thrower, DontEnum | DontDelete | Getter | Setter);
-    defineOwnProperty(exec, exec->propertyNames().caller, descriptor, false);
-}
-
-void Arguments::createStrictModeCalleeIfNecessary(ExecState* exec)
-{
-    if (d->overrodeCallee)
-        return;
-    
-    d->overrodeCallee = true;
-    PropertyDescriptor descriptor;
-    JSValue thrower = createTypeErrorFunction(exec, "Unable to access callee of strict mode function");
-    descriptor.setAccessorDescriptor(thrower, thrower, DontEnum | DontDelete | Getter | Setter);
-    defineOwnProperty(exec, exec->propertyNames().callee, descriptor, false);
-}
-
-bool Arguments::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
-{
-    bool isArrayIndex;
-    unsigned i = propertyName.toArrayIndex(isArrayIndex);
-    if (isArrayIndex && i < d->numArguments && (!d->deletedArguments || !d->deletedArguments[i])) {
-        if (i < d->numParameters) {
-            slot.setValue(d->registers[d->firstParameterIndex + i].get());
-        } else
-            slot.setValue(d->extraArguments[i - d->numParameters].get());
-        return true;
-    }
-
-    if (propertyName == exec->propertyNames().length && LIKELY(!d->overrodeLength)) {
-        slot.setValue(jsNumber(d->numArguments));
-        return true;
-    }
-
-    if (propertyName == exec->propertyNames().callee && LIKELY(!d->overrodeCallee)) {
-        if (!d->isStrictMode) {
-            slot.setValue(d->callee.get());
-            return true;
-        }
-        createStrictModeCalleeIfNecessary(exec);
-    }
-
-    if (propertyName == exec->propertyNames().caller && d->isStrictMode)
-        createStrictModeCallerIfNecessary(exec);
-
-    return JSObject::getOwnPropertySlot(exec, propertyName, slot);
-}
-
-bool Arguments::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
-{
-    bool isArrayIndex;
-    unsigned i = propertyName.toArrayIndex(isArrayIndex);
-    if (isArrayIndex && i < d->numArguments && (!d->deletedArguments || !d->deletedArguments[i])) {
-        if (i < d->numParameters) {
-            descriptor.setDescriptor(d->registers[d->firstParameterIndex + i].get(), DontEnum);
-        } else
-            descriptor.setDescriptor(d->extraArguments[i - d->numParameters].get(), DontEnum);
-        return true;
-    }
-    
-    if (propertyName == exec->propertyNames().length && LIKELY(!d->overrodeLength)) {
-        descriptor.setDescriptor(jsNumber(d->numArguments), DontEnum);
-        return true;
-    }
-    
-    if (propertyName == exec->propertyNames().callee && LIKELY(!d->overrodeCallee)) {
-        if (!d->isStrictMode) {
-            descriptor.setDescriptor(d->callee.get(), DontEnum);
-            return true;
-        }
-        createStrictModeCalleeIfNecessary(exec);
-    }
-
-    if (propertyName == exec->propertyNames().caller && d->isStrictMode)
-        createStrictModeCallerIfNecessary(exec);
-    
-    return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
-}
-
-void Arguments::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
-{
-    if (mode == IncludeDontEnumProperties) {
-        for (unsigned i = 0; i < d->numArguments; ++i) {
-            if (!d->deletedArguments || !d->deletedArguments[i])
-                propertyNames.add(Identifier(exec, UString::number(i)));
-        }
-        propertyNames.add(exec->propertyNames().callee);
-        propertyNames.add(exec->propertyNames().length);
-    }
-    JSObject::getOwnPropertyNames(exec, propertyNames, mode);
-}
-
-void Arguments::put(ExecState* exec, unsigned i, JSValue value)
-{
-    if (i < d->numArguments && (!d->deletedArguments || !d->deletedArguments[i])) {
-        if (i < d->numParameters)
-            d->registers[d->firstParameterIndex + i].set(exec->globalData(), d->activation ? static_cast<JSCell*>(d->activation.get()) : static_cast<JSCell*>(this), value);
-        else
-            d->extraArguments[i - d->numParameters].set(exec->globalData(), this, value);
-        return;
-    }
-
-    PutPropertySlot slot;
-    JSObject::put(exec, Identifier(exec, UString::number(i)), value, slot);
-}
-
-void Arguments::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
-{
-    bool isArrayIndex;
-    unsigned i = propertyName.toArrayIndex(isArrayIndex);
-    if (isArrayIndex && i < d->numArguments && (!d->deletedArguments || !d->deletedArguments[i])) {
-        if (i < d->numParameters)
-            d->registers[d->firstParameterIndex + i].set(exec->globalData(), d->activation ? static_cast<JSCell*>(d->activation.get()) : static_cast<JSCell*>(this), value);
-        else
-            d->extraArguments[i - d->numParameters].set(exec->globalData(), this, value);
-        return;
-    }
-
-    if (propertyName == exec->propertyNames().length && !d->overrodeLength) {
-        d->overrodeLength = true;
-        putDirect(exec->globalData(), propertyName, value, DontEnum);
-        return;
-    }
-
-    if (propertyName == exec->propertyNames().callee && !d->overrodeCallee) {
-        if (!d->isStrictMode) {
-            d->overrodeCallee = true;
-            putDirect(exec->globalData(), propertyName, value, DontEnum);
-            return;
-        }
-        createStrictModeCalleeIfNecessary(exec);
-    }
-
-    if (propertyName == exec->propertyNames().caller && d->isStrictMode)
-        createStrictModeCallerIfNecessary(exec);
-
-    JSObject::put(exec, propertyName, value, slot);
-}
-
-bool Arguments::deleteProperty(ExecState* exec, unsigned i) 
-{
-    if (i < d->numArguments) {
-        if (!d->deletedArguments) {
-            d->deletedArguments = adoptArrayPtr(new bool[d->numArguments]);
-            memset(d->deletedArguments.get(), 0, sizeof(bool) * d->numArguments);
-        }
-        if (!d->deletedArguments[i]) {
-            d->deletedArguments[i] = true;
-            return true;
-        }
-    }
-
-    return JSObject::deleteProperty(exec, Identifier(exec, UString::number(i)));
-}
-
-bool Arguments::deleteProperty(ExecState* exec, const Identifier& propertyName) 
-{
-    bool isArrayIndex;
-    unsigned i = propertyName.toArrayIndex(isArrayIndex);
-    if (isArrayIndex && i < d->numArguments) {
-        if (!d->deletedArguments) {
-            d->deletedArguments = adoptArrayPtr(new bool[d->numArguments]);
-            memset(d->deletedArguments.get(), 0, sizeof(bool) * d->numArguments);
-        }
-        if (!d->deletedArguments[i]) {
-            d->deletedArguments[i] = true;
-            return true;
-        }
-    }
-
-    if (propertyName == exec->propertyNames().length && !d->overrodeLength) {
-        d->overrodeLength = true;
-        return true;
-    }
-
-    if (propertyName == exec->propertyNames().callee && !d->overrodeCallee) {
-        if (!d->isStrictMode) {
-            d->overrodeCallee = true;
-            return true;
-        }
-        createStrictModeCalleeIfNecessary(exec);
-    }
-    
-    if (propertyName == exec->propertyNames().caller && !d->isStrictMode)
-        createStrictModeCallerIfNecessary(exec);
-
-    return JSObject::deleteProperty(exec, propertyName);
-}
-
-} // namespace JSC