2 * Copyright (C) 2009, 2013, 2016 Apple Inc. All rights reserved.
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28 #include "CallFrameClosure.h"
29 #include "ExceptionHelpers.h"
30 #include "JSFunction.h"
31 #include "JSGlobalObject.h"
32 #include "Interpreter.h"
33 #include "ProtoCallFrame.h"
34 #include "VMEntryScope.h"
35 #include "VMInlines.h"
39 WTF_MAKE_NONCOPYABLE(CachedCall); WTF_MAKE_FAST_ALLOCATED;
41 CachedCall(CallFrame* callFrame, JSFunction* function, int argumentCount)
43 , m_interpreter(callFrame->interpreter())
44 , m_vm(callFrame->vm())
45 , m_entryScope(m_vm, function->scope()->globalObject(m_vm))
47 VM& vm = m_entryScope.vm();
48 auto scope = DECLARE_THROW_SCOPE(vm);
50 ASSERT(!function->isHostFunctionNonInline());
51 if (UNLIKELY(vm.isSafeToRecurseSoft())) {
52 m_arguments.resize(argumentCount);
53 m_closure = m_interpreter->prepareForRepeatCall(function->jsExecutable(), callFrame, &m_protoCallFrame, function, argumentCount + 1, function->scope(), m_arguments.data());
55 throwStackOverflowError(callFrame, scope);
56 m_valid = !scope.exception();
62 return m_interpreter->execute(m_closure);
64 void setThis(JSValue v) { m_protoCallFrame.setThisValue(v); }
65 void setArgument(int n, JSValue v) { m_protoCallFrame.setArgument(n, v); }
69 Interpreter* m_interpreter;
71 VMEntryScope m_entryScope;
72 ProtoCallFrame m_protoCallFrame;
73 Vector<JSValue> m_arguments;
74 CallFrameClosure m_closure;