darling-JavaScriptCore/runtime/DirectEvalExecutable.cpp
2017-08-12 09:48:01 -07:00

79 lines
3.6 KiB
C++

/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DirectEvalExecutable.h"
#include "CodeCache.h"
#include "Debugger.h"
#include "Error.h"
#include "HeapInlines.h"
#include "JSCJSValueInlines.h"
#include "ParserError.h"
namespace JSC {
DirectEvalExecutable* DirectEvalExecutable::create(ExecState* exec, const SourceCode& source, bool isInStrictContext, DerivedContextType derivedContextType, bool isArrowFunctionContext, EvalContextType evalContextType, const VariableEnvironment* variablesUnderTDZ)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (!globalObject->evalEnabled()) {
throwException(exec, scope, createEvalError(exec, globalObject->evalDisabledErrorMessage()));
return 0;
}
auto* executable = new (NotNull, allocateCell<DirectEvalExecutable>(*exec->heap())) DirectEvalExecutable(exec, source, isInStrictContext, derivedContextType, isArrowFunctionContext, evalContextType);
executable->finishCreation(vm);
ParserError error;
JSParserStrictMode strictMode = executable->isStrictMode() ? JSParserStrictMode::Strict : JSParserStrictMode::NotStrict;
DebuggerMode debuggerMode = globalObject->hasInteractiveDebugger() ? DebuggerOn : DebuggerOff;
// We don't bother with CodeCache here because direct eval uses a specialized DirectEvalCodeCache.
UnlinkedEvalCodeBlock* unlinkedEvalCode = generateUnlinkedCodeBlock<UnlinkedEvalCodeBlock>(
vm, executable, executable->source(), strictMode, JSParserScriptMode::Classic, debuggerMode, error, evalContextType, variablesUnderTDZ);
if (globalObject->hasDebugger())
globalObject->debugger()->sourceParsed(exec, executable->source().provider(), error.line(), error.message());
if (error.isValid()) {
throwVMError(exec, scope, error.toErrorObject(globalObject, executable->source()));
return nullptr;
}
executable->m_unlinkedEvalCodeBlock.set(vm, executable, unlinkedEvalCode);
return executable;
}
DirectEvalExecutable::DirectEvalExecutable(ExecState* exec, const SourceCode& source, bool inStrictContext, DerivedContextType derivedContextType, bool isArrowFunctionContext, EvalContextType evalContextType)
: EvalExecutable(exec, source, inStrictContext, derivedContextType, isArrowFunctionContext, evalContextType)
{
}
} // namespace JSC