webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 155 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/ExecutableBase.cpp b/Source/JavaScriptCore/runtime/ExecutableBase.cpp
new file mode 100644
index 000000000..7dbcf79ba
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/ExecutableBase.cpp
@@ -0,0 +1,155 @@
+/*
+ * 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 "EvalCodeBlock.h"
+#include "FunctionCodeBlock.h"
+#include "JIT.h"
+#include "JSCInlines.h"
+#include "LLIntEntrypoint.h"
+#include "ModuleProgramCodeBlock.h"
+#include "Parser.h"
+#include "ProgramCodeBlock.h"
+#include "TypeProfiler.h"
+#include "VMInlines.h"
+#include <wtf/CommaPrinter.h>
+
+namespace JSC {
+
+const ClassInfo ExecutableBase::s_info = { "Executable", 0, 0, CREATE_METHOD_TABLE(ExecutableBase) };
+
+void ExecutableBase::destroy(JSCell* cell)
+{
+    static_cast<ExecutableBase*>(cell)->ExecutableBase::~ExecutableBase();
+}
+
+void ExecutableBase::clearCode()
+{
+#if ENABLE(JIT)
+    m_jitCodeForCall = nullptr;
+    m_jitCodeForConstruct = nullptr;
+    m_jitCodeForCallWithArityCheck = MacroAssemblerCodePtr();
+    m_jitCodeForConstructWithArityCheck = MacroAssemblerCodePtr();
+#endif
+    m_numParametersForCall = NUM_PARAMETERS_NOT_COMPILED;
+    m_numParametersForConstruct = NUM_PARAMETERS_NOT_COMPILED;
+    VM& vm = *this->vm();
+
+
+    if (structure(vm)->classInfo() == FunctionExecutable::info()) {
+        FunctionExecutable* executable = static_cast<FunctionExecutable*>(this);
+        executable->m_codeBlockForCall.clear();
+        executable->m_codeBlockForConstruct.clear();
+        return;
+    }
+
+    if (structure(vm)->classInfo() == EvalExecutable::info()) {
+        EvalExecutable* executable = static_cast<EvalExecutable*>(this);
+        executable->m_evalCodeBlock.clear();
+        executable->m_unlinkedEvalCodeBlock.clear();
+        return;
+    }
+    
+    if (structure(vm)->classInfo() == ProgramExecutable::info()) {
+        ProgramExecutable* executable = static_cast<ProgramExecutable*>(this);
+        executable->m_programCodeBlock.clear();
+        executable->m_unlinkedProgramCodeBlock.clear();
+        return;
+    }
+
+    if (structure(vm)->classInfo() == ModuleProgramExecutable::info()) {
+        ModuleProgramExecutable* executable = static_cast<ModuleProgramExecutable*>(this);
+        executable->m_moduleProgramCodeBlock.clear();
+        executable->m_unlinkedModuleProgramCodeBlock.clear();
+        executable->m_moduleEnvironmentSymbolTable.clear();
+        return;
+    }
+    
+    ASSERT(structure(vm)->classInfo() == NativeExecutable::info());
+}
+
+void ExecutableBase::dump(PrintStream& out) const
+{
+    VM& vm = *this->vm();
+    ExecutableBase* realThis = const_cast<ExecutableBase*>(this);
+
+    if (classInfo(vm) == NativeExecutable::info()) {
+        NativeExecutable* native = jsCast<NativeExecutable*>(realThis);
+        out.print("NativeExecutable:", RawPointer(bitwise_cast<void*>(native->function())), "/", RawPointer(bitwise_cast<void*>(native->constructor())));
+        return;
+    }
+    
+    if (classInfo(vm) == EvalExecutable::info()) {
+        EvalExecutable* eval = jsCast<EvalExecutable*>(realThis);
+        if (CodeBlock* codeBlock = eval->codeBlock())
+            out.print(*codeBlock);
+        else
+            out.print("EvalExecutable w/o CodeBlock");
+        return;
+    }
+    
+    if (classInfo(vm) == ProgramExecutable::info()) {
+        ProgramExecutable* eval = jsCast<ProgramExecutable*>(realThis);
+        if (CodeBlock* codeBlock = eval->codeBlock())
+            out.print(*codeBlock);
+        else
+            out.print("ProgramExecutable w/o CodeBlock");
+        return;
+    }
+
+    if (classInfo(vm) == ModuleProgramExecutable::info()) {
+        ModuleProgramExecutable* executable = jsCast<ModuleProgramExecutable*>(realThis);
+        if (CodeBlock* codeBlock = executable->codeBlock())
+            out.print(*codeBlock);
+        else
+            out.print("ModuleProgramExecutable w/o CodeBlock");
+        return;
+    }
+    
+    FunctionExecutable* function = jsCast<FunctionExecutable*>(realThis);
+    if (!function->eitherCodeBlock())
+        out.print("FunctionExecutable w/o CodeBlock");
+    else {
+        CommaPrinter comma("/");
+        if (function->codeBlockForCall())
+            out.print(comma, *function->codeBlockForCall());
+        if (function->codeBlockForConstruct())
+            out.print(comma, *function->codeBlockForConstruct());
+    }
+}
+
+CodeBlockHash ExecutableBase::hashFor(CodeSpecializationKind kind) const
+{
+    if (this->classInfo(*this->vm()) == NativeExecutable::info())
+        return jsCast<const NativeExecutable*>(this)->hashFor(kind);
+    
+    return jsCast<const ScriptExecutable*>(this)->hashFor(kind);
+}
+
+} // namespace JSC