From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Tue, 27 Jun 2017 06:07:23 +0000
Subject: webkitgtk-2.16.5

---
 .../JavaScriptCore/runtime/FunctionExecutable.cpp  | 109 +++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 Source/JavaScriptCore/runtime/FunctionExecutable.cpp

(limited to 'Source/JavaScriptCore/runtime/FunctionExecutable.cpp')

diff --git a/Source/JavaScriptCore/runtime/FunctionExecutable.cpp b/Source/JavaScriptCore/runtime/FunctionExecutable.cpp
new file mode 100644
index 000000000..13bf1d5f9
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/FunctionExecutable.cpp
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2009, 2010, 2013, 2015-2016 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 "BatchedTransitionOptimizer.h"
+#include "CodeBlock.h"
+#include "Debugger.h"
+#include "FunctionCodeBlock.h"
+#include "JIT.h"
+#include "JSCInlines.h"
+#include "LLIntEntrypoint.h"
+#include "Parser.h"
+#include "TypeProfiler.h"
+#include "VMInlines.h"
+#include <wtf/CommaPrinter.h>
+
+namespace JSC {
+
+const ClassInfo FunctionExecutable::s_info = { "FunctionExecutable", &ScriptExecutable::s_info, 0, CREATE_METHOD_TABLE(FunctionExecutable) };
+
+FunctionExecutable::FunctionExecutable(VM& vm, const SourceCode& source, UnlinkedFunctionExecutable* unlinkedExecutable, unsigned lastLine, unsigned endColumn, Intrinsic intrinsic)
+    : ScriptExecutable(vm.functionExecutableStructure.get(), vm, source, unlinkedExecutable->isInStrictContext(), unlinkedExecutable->derivedContextType(), false, EvalContextType::None, intrinsic)
+    , m_unlinkedExecutable(vm, this, unlinkedExecutable)
+{
+    RELEASE_ASSERT(!source.isNull());
+    ASSERT(source.length());
+    m_lastLine = lastLine;
+    ASSERT(endColumn != UINT_MAX);
+    m_endColumn = endColumn;
+    m_parametersStartOffset = unlinkedExecutable->parametersStartOffset();
+    m_typeProfilingStartOffset = unlinkedExecutable->typeProfilingStartOffset();
+    m_typeProfilingEndOffset = unlinkedExecutable->typeProfilingEndOffset();
+}
+
+void FunctionExecutable::finishCreation(VM& vm)
+{
+    Base::finishCreation(vm);
+    m_singletonFunction.set(vm, this, InferredValue::create(vm));
+}
+
+void FunctionExecutable::destroy(JSCell* cell)
+{
+    static_cast<FunctionExecutable*>(cell)->FunctionExecutable::~FunctionExecutable();
+}
+
+FunctionCodeBlock* FunctionExecutable::baselineCodeBlockFor(CodeSpecializationKind kind)
+{
+    FunctionCodeBlock* result;
+    if (kind == CodeForCall)
+        result = m_codeBlockForCall.get();
+    else {
+        RELEASE_ASSERT(kind == CodeForConstruct);
+        result = m_codeBlockForConstruct.get();
+    }
+    if (!result)
+        return 0;
+    return static_cast<FunctionCodeBlock*>(result->baselineAlternative());
+}
+
+void FunctionExecutable::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    FunctionExecutable* thisObject = jsCast<FunctionExecutable*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+    ScriptExecutable::visitChildren(thisObject, visitor);
+    if (FunctionCodeBlock* codeBlockForCall = thisObject->m_codeBlockForCall.get())
+        codeBlockForCall->visitWeakly(visitor);
+    if (FunctionCodeBlock* codeBlockForConstruct = thisObject->m_codeBlockForConstruct.get())
+        codeBlockForConstruct->visitWeakly(visitor);
+    visitor.append(thisObject->m_unlinkedExecutable);
+    visitor.append(thisObject->m_singletonFunction);
+}
+
+FunctionExecutable* FunctionExecutable::fromGlobalCode(
+    const Identifier& name, ExecState& exec, const SourceCode& source, 
+    JSObject*& exception, int overrideLineNumber)
+{
+    UnlinkedFunctionExecutable* unlinkedExecutable = 
+        UnlinkedFunctionExecutable::fromGlobalCode(
+            name, exec, source, exception, overrideLineNumber);
+    if (!unlinkedExecutable)
+        return nullptr;
+
+    return unlinkedExecutable->link(exec.vm(), source, overrideLineNumber);
+}
+
+} // namespace JSC
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