| Index: src/ic/call-optimization.h
|
| diff --git a/src/ic/call-optimization.h b/src/ic/call-optimization.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..99494fa3bad8b7747734dc7f38844c8fe50c3aed
|
| --- /dev/null
|
| +++ b/src/ic/call-optimization.h
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| @@ -0,0 +1,62 @@
|
| +// Copyright 2014 the V8 project authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +#ifndef V8_IC_CALL_OPTIMIZATION_H_
|
| +#define V8_IC_CALL_OPTIMIZATION_H_
|
| +
|
| +#include "src/code-stubs.h"
|
| +#include "src/ic/access-compiler.h"
|
| +#include "src/macro-assembler.h"
|
| +#include "src/objects.h"
|
| +
|
| +namespace v8 {
|
| +namespace internal {
|
| +// Holds information about possible function call optimizations.
|
| +class CallOptimization BASE_EMBEDDED {
|
| + public:
|
| + explicit CallOptimization(Handle<JSFunction> function);
|
| +
|
| + bool is_constant_call() const { return !constant_function_.is_null(); }
|
| +
|
| + Handle<JSFunction> constant_function() const {
|
| + DCHECK(is_constant_call());
|
| + return constant_function_;
|
| + }
|
| +
|
| + bool is_simple_api_call() const { return is_simple_api_call_; }
|
| +
|
| + Handle<FunctionTemplateInfo> expected_receiver_type() const {
|
| + DCHECK(is_simple_api_call());
|
| + return expected_receiver_type_;
|
| + }
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| +
|
| + Handle<CallHandlerInfo> api_call_info() const {
|
| + DCHECK(is_simple_api_call());
|
| + return api_call_info_;
|
| + }
|
| +
|
| + enum HolderLookup { kHolderNotFound, kHolderIsReceiver, kHolderFound };
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| + Handle<JSObject> LookupHolderOfExpectedType(
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| + Handle<Map> receiver_map, HolderLookup* holder_lookup) const;
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| +
|
| + // Check if the api holder is between the receiver and the holder.
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| + bool IsCompatibleReceiver(Handle<Object> receiver,
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| + Handle<JSObject> holder) const;
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| +
|
| + private:
|
| + void Initialize(Handle<JSFunction> function);
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| +
|
| + // Determines whether the given function can be called using the
|
| + // fast api call builtin.
|
| + void AnalyzePossibleApiFunction(Handle<JSFunction> function);
|
| +
|
| + Handle<JSFunction> constant_function_;
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| + bool is_simple_api_call_;
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| + Handle<FunctionTemplateInfo> expected_receiver_type_;
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| + Handle<CallHandlerInfo> api_call_info_;
|
| +};
|
| +}
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| +} // namespace v8::internal
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| +
|
| +#endif // V8_IC_CALL_OPTIMIZATION_H_
|
|
|