Index: src/ic/call-optimization.h |
diff --git a/src/ic/call-optimization.h b/src/ic/call-optimization.h |
new file mode 100644 |
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+++ b/src/ic/call-optimization.h |
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+// 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_; |
+ } |
+ |
+ Handle<CallHandlerInfo> api_call_info() const { |
+ DCHECK(is_simple_api_call()); |
+ return api_call_info_; |
+ } |
+ |
+ enum HolderLookup { kHolderNotFound, kHolderIsReceiver, kHolderFound }; |
+ Handle<JSObject> LookupHolderOfExpectedType( |
+ Handle<Map> receiver_map, HolderLookup* holder_lookup) const; |
+ |
+ // Check if the api holder is between the receiver and the holder. |
+ bool IsCompatibleReceiver(Handle<Object> receiver, |
+ Handle<JSObject> holder) const; |
+ |
+ private: |
+ void Initialize(Handle<JSFunction> function); |
+ |
+ // Determines whether the given function can be called using the |
+ // fast api call builtin. |
+ void AnalyzePossibleApiFunction(Handle<JSFunction> function); |
+ |
+ Handle<JSFunction> constant_function_; |
+ bool is_simple_api_call_; |
+ Handle<FunctionTemplateInfo> expected_receiver_type_; |
+ Handle<CallHandlerInfo> api_call_info_; |
+}; |
+} |
+} // namespace v8::internal |
+ |
+#endif // V8_IC_CALL_OPTIMIZATION_H_ |