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Ben Murdoch257744e2011-11-30 15:57:28 +00001// Copyright 2011 the V8 project authors. All rights reserved.
Steve Blocka7e24c12009-10-30 11:49:00 +00002// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6// * Redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer.
8// * Redistributions in binary form must reproduce the above
9// copyright notice, this list of conditions and the following
10// disclaimer in the documentation and/or other materials provided
11// with the distribution.
12// * Neither the name of Google Inc. nor the names of its
13// contributors may be used to endorse or promote products derived
14// from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28#ifndef V8_BUILTINS_H_
29#define V8_BUILTINS_H_
30
31namespace v8 {
32namespace internal {
33
Leon Clarkee46be812010-01-19 14:06:41 +000034// Specifies extra arguments required by a C++ builtin.
35enum BuiltinExtraArguments {
36 NO_EXTRA_ARGUMENTS = 0,
37 NEEDS_CALLED_FUNCTION = 1
38};
39
40
41// Define list of builtins implemented in C++.
42#define BUILTIN_LIST_C(V) \
43 V(Illegal, NO_EXTRA_ARGUMENTS) \
44 \
45 V(EmptyFunction, NO_EXTRA_ARGUMENTS) \
46 \
Ben Murdoch3ef787d2012-04-12 10:51:47 +010047 V(InternalArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \
Leon Clarkee46be812010-01-19 14:06:41 +000048 V(ArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \
49 \
50 V(ArrayPush, NO_EXTRA_ARGUMENTS) \
51 V(ArrayPop, NO_EXTRA_ARGUMENTS) \
Andrei Popescu402d9372010-02-26 13:31:12 +000052 V(ArrayShift, NO_EXTRA_ARGUMENTS) \
53 V(ArrayUnshift, NO_EXTRA_ARGUMENTS) \
54 V(ArraySlice, NO_EXTRA_ARGUMENTS) \
55 V(ArraySplice, NO_EXTRA_ARGUMENTS) \
Steve Block6ded16b2010-05-10 14:33:55 +010056 V(ArrayConcat, NO_EXTRA_ARGUMENTS) \
Leon Clarkee46be812010-01-19 14:06:41 +000057 \
58 V(HandleApiCall, NEEDS_CALLED_FUNCTION) \
Andrei Popescu402d9372010-02-26 13:31:12 +000059 V(FastHandleApiCall, NO_EXTRA_ARGUMENTS) \
Leon Clarkee46be812010-01-19 14:06:41 +000060 V(HandleApiCallConstruct, NEEDS_CALLED_FUNCTION) \
61 V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \
Steve Block44f0eee2011-05-26 01:26:41 +010062 V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) \
63 \
Ben Murdoch257744e2011-11-30 15:57:28 +000064 V(StrictModePoisonPill, NO_EXTRA_ARGUMENTS)
Steve Blocka7e24c12009-10-30 11:49:00 +000065
66// Define list of builtins implemented in assembly.
Ben Murdoch257744e2011-11-30 15:57:28 +000067#define BUILTIN_LIST_A(V) \
68 V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED, \
69 Code::kNoExtraICState) \
Ben Murdoch257744e2011-11-30 15:57:28 +000070 V(JSConstructStubCountdown, BUILTIN, UNINITIALIZED, \
71 Code::kNoExtraICState) \
72 V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED, \
73 Code::kNoExtraICState) \
74 V(JSConstructStubApi, BUILTIN, UNINITIALIZED, \
75 Code::kNoExtraICState) \
76 V(JSEntryTrampoline, BUILTIN, UNINITIALIZED, \
77 Code::kNoExtraICState) \
78 V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED, \
79 Code::kNoExtraICState) \
80 V(LazyCompile, BUILTIN, UNINITIALIZED, \
81 Code::kNoExtraICState) \
82 V(LazyRecompile, BUILTIN, UNINITIALIZED, \
83 Code::kNoExtraICState) \
84 V(NotifyDeoptimized, BUILTIN, UNINITIALIZED, \
85 Code::kNoExtraICState) \
86 V(NotifyLazyDeoptimized, BUILTIN, UNINITIALIZED, \
87 Code::kNoExtraICState) \
88 V(NotifyOSR, BUILTIN, UNINITIALIZED, \
89 Code::kNoExtraICState) \
90 \
91 V(LoadIC_Miss, BUILTIN, UNINITIALIZED, \
92 Code::kNoExtraICState) \
93 V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED, \
94 Code::kNoExtraICState) \
95 V(KeyedLoadIC_MissForceGeneric, BUILTIN, UNINITIALIZED, \
96 Code::kNoExtraICState) \
97 V(KeyedLoadIC_Slow, BUILTIN, UNINITIALIZED, \
98 Code::kNoExtraICState) \
99 V(StoreIC_Miss, BUILTIN, UNINITIALIZED, \
100 Code::kNoExtraICState) \
101 V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED, \
102 Code::kNoExtraICState) \
103 V(KeyedStoreIC_MissForceGeneric, BUILTIN, UNINITIALIZED, \
104 Code::kNoExtraICState) \
105 V(KeyedStoreIC_Slow, BUILTIN, UNINITIALIZED, \
106 Code::kNoExtraICState) \
107 V(LoadIC_Initialize, LOAD_IC, UNINITIALIZED, \
108 Code::kNoExtraICState) \
109 V(LoadIC_PreMonomorphic, LOAD_IC, PREMONOMORPHIC, \
110 Code::kNoExtraICState) \
111 V(LoadIC_Normal, LOAD_IC, MONOMORPHIC, \
112 Code::kNoExtraICState) \
113 V(LoadIC_ArrayLength, LOAD_IC, MONOMORPHIC, \
114 Code::kNoExtraICState) \
115 V(LoadIC_StringLength, LOAD_IC, MONOMORPHIC, \
116 Code::kNoExtraICState) \
117 V(LoadIC_StringWrapperLength, LOAD_IC, MONOMORPHIC, \
118 Code::kNoExtraICState) \
119 V(LoadIC_FunctionPrototype, LOAD_IC, MONOMORPHIC, \
120 Code::kNoExtraICState) \
121 V(LoadIC_Megamorphic, LOAD_IC, MEGAMORPHIC, \
122 Code::kNoExtraICState) \
123 \
124 V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED, \
125 Code::kNoExtraICState) \
126 V(KeyedLoadIC_PreMonomorphic, KEYED_LOAD_IC, PREMONOMORPHIC, \
127 Code::kNoExtraICState) \
128 V(KeyedLoadIC_Generic, KEYED_LOAD_IC, MEGAMORPHIC, \
129 Code::kNoExtraICState) \
130 V(KeyedLoadIC_String, KEYED_LOAD_IC, MEGAMORPHIC, \
131 Code::kNoExtraICState) \
132 V(KeyedLoadIC_IndexedInterceptor, KEYED_LOAD_IC, MEGAMORPHIC, \
133 Code::kNoExtraICState) \
Ben Murdoch3fb3ca82011-12-02 17:19:32 +0000134 V(KeyedLoadIC_NonStrictArguments, KEYED_LOAD_IC, MEGAMORPHIC, \
135 Code::kNoExtraICState) \
Ben Murdoch257744e2011-11-30 15:57:28 +0000136 \
137 V(StoreIC_Initialize, STORE_IC, UNINITIALIZED, \
138 Code::kNoExtraICState) \
139 V(StoreIC_ArrayLength, STORE_IC, MONOMORPHIC, \
140 Code::kNoExtraICState) \
141 V(StoreIC_Normal, STORE_IC, MONOMORPHIC, \
142 Code::kNoExtraICState) \
143 V(StoreIC_Megamorphic, STORE_IC, MEGAMORPHIC, \
144 Code::kNoExtraICState) \
145 V(StoreIC_GlobalProxy, STORE_IC, MEGAMORPHIC, \
146 Code::kNoExtraICState) \
147 V(StoreIC_Initialize_Strict, STORE_IC, UNINITIALIZED, \
148 kStrictMode) \
149 V(StoreIC_ArrayLength_Strict, STORE_IC, MONOMORPHIC, \
150 kStrictMode) \
151 V(StoreIC_Normal_Strict, STORE_IC, MONOMORPHIC, \
152 kStrictMode) \
153 V(StoreIC_Megamorphic_Strict, STORE_IC, MEGAMORPHIC, \
154 kStrictMode) \
155 V(StoreIC_GlobalProxy_Strict, STORE_IC, MEGAMORPHIC, \
156 kStrictMode) \
157 \
158 V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED, \
159 Code::kNoExtraICState) \
160 V(KeyedStoreIC_Generic, KEYED_STORE_IC, MEGAMORPHIC, \
161 Code::kNoExtraICState) \
162 \
163 V(KeyedStoreIC_Initialize_Strict, KEYED_STORE_IC, UNINITIALIZED, \
164 kStrictMode) \
165 V(KeyedStoreIC_Generic_Strict, KEYED_STORE_IC, MEGAMORPHIC, \
166 kStrictMode) \
Ben Murdoch3fb3ca82011-12-02 17:19:32 +0000167 V(KeyedStoreIC_NonStrictArguments, KEYED_STORE_IC, MEGAMORPHIC, \
168 Code::kNoExtraICState) \
Ben Murdoch3ef787d2012-04-12 10:51:47 +0100169 V(TransitionElementsSmiToDouble, BUILTIN, UNINITIALIZED, \
170 Code::kNoExtraICState) \
171 V(TransitionElementsDoubleToObject, BUILTIN, UNINITIALIZED, \
172 Code::kNoExtraICState) \
Ben Murdoch257744e2011-11-30 15:57:28 +0000173 \
174 /* Uses KeyedLoadIC_Initialize; must be after in list. */ \
175 V(FunctionCall, BUILTIN, UNINITIALIZED, \
176 Code::kNoExtraICState) \
177 V(FunctionApply, BUILTIN, UNINITIALIZED, \
178 Code::kNoExtraICState) \
179 \
Ben Murdoch3ef787d2012-04-12 10:51:47 +0100180 V(InternalArrayCode, BUILTIN, UNINITIALIZED, \
181 Code::kNoExtraICState) \
Ben Murdoch257744e2011-11-30 15:57:28 +0000182 V(ArrayCode, BUILTIN, UNINITIALIZED, \
183 Code::kNoExtraICState) \
184 V(ArrayConstructCode, BUILTIN, UNINITIALIZED, \
185 Code::kNoExtraICState) \
186 \
187 V(StringConstructCode, BUILTIN, UNINITIALIZED, \
188 Code::kNoExtraICState) \
189 \
190 V(OnStackReplacement, BUILTIN, UNINITIALIZED, \
Ben Murdoche0cee9b2011-05-25 10:26:03 +0100191 Code::kNoExtraICState)
Kristian Monsen80d68ea2010-09-08 11:05:35 +0100192
Steve Blocka7e24c12009-10-30 11:49:00 +0000193
194#ifdef ENABLE_DEBUGGER_SUPPORT
195// Define list of builtins used by the debugger implemented in assembly.
Ben Murdoch3ef787d2012-04-12 10:51:47 +0100196#define BUILTIN_LIST_DEBUG_A(V) \
197 V(Return_DebugBreak, BUILTIN, DEBUG_BREAK, \
198 Code::kNoExtraICState) \
199 V(CallFunctionStub_DebugBreak, BUILTIN, DEBUG_BREAK, \
200 Code::kNoExtraICState) \
201 V(CallFunctionStub_Recording_DebugBreak, BUILTIN, DEBUG_BREAK, \
202 Code::kNoExtraICState) \
203 V(CallConstructStub_DebugBreak, BUILTIN, DEBUG_BREAK, \
204 Code::kNoExtraICState) \
205 V(CallConstructStub_Recording_DebugBreak, BUILTIN, DEBUG_BREAK, \
206 Code::kNoExtraICState) \
207 V(LoadIC_DebugBreak, LOAD_IC, DEBUG_BREAK, \
208 Code::kNoExtraICState) \
209 V(KeyedLoadIC_DebugBreak, KEYED_LOAD_IC, DEBUG_BREAK, \
210 Code::kNoExtraICState) \
211 V(StoreIC_DebugBreak, STORE_IC, DEBUG_BREAK, \
212 Code::kNoExtraICState) \
213 V(KeyedStoreIC_DebugBreak, KEYED_STORE_IC, DEBUG_BREAK, \
214 Code::kNoExtraICState) \
215 V(Slot_DebugBreak, BUILTIN, DEBUG_BREAK, \
216 Code::kNoExtraICState) \
217 V(PlainReturn_LiveEdit, BUILTIN, DEBUG_BREAK, \
218 Code::kNoExtraICState) \
219 V(FrameDropper_LiveEdit, BUILTIN, DEBUG_BREAK, \
220 Code::kNoExtraICState)
Steve Blocka7e24c12009-10-30 11:49:00 +0000221#else
222#define BUILTIN_LIST_DEBUG_A(V)
223#endif
224
225// Define list of builtins implemented in JavaScript.
226#define BUILTINS_LIST_JS(V) \
227 V(EQUALS, 1) \
228 V(STRICT_EQUALS, 1) \
229 V(COMPARE, 2) \
230 V(ADD, 1) \
231 V(SUB, 1) \
232 V(MUL, 1) \
233 V(DIV, 1) \
234 V(MOD, 1) \
235 V(BIT_OR, 1) \
236 V(BIT_AND, 1) \
237 V(BIT_XOR, 1) \
238 V(UNARY_MINUS, 0) \
239 V(BIT_NOT, 0) \
240 V(SHL, 1) \
241 V(SAR, 1) \
242 V(SHR, 1) \
Ben Murdoche0cee9b2011-05-25 10:26:03 +0100243 V(DELETE, 2) \
Steve Blocka7e24c12009-10-30 11:49:00 +0000244 V(IN, 1) \
245 V(INSTANCE_OF, 1) \
Steve Blocka7e24c12009-10-30 11:49:00 +0000246 V(FILTER_KEY, 1) \
247 V(CALL_NON_FUNCTION, 0) \
248 V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \
Ben Murdoch589d6972011-11-30 16:04:58 +0000249 V(CALL_FUNCTION_PROXY, 1) \
250 V(CALL_FUNCTION_PROXY_AS_CONSTRUCTOR, 1) \
Steve Blocka7e24c12009-10-30 11:49:00 +0000251 V(TO_OBJECT, 0) \
252 V(TO_NUMBER, 0) \
253 V(TO_STRING, 0) \
254 V(STRING_ADD_LEFT, 1) \
255 V(STRING_ADD_RIGHT, 1) \
256 V(APPLY_PREPARE, 1) \
Steve Block6ded16b2010-05-10 14:33:55 +0100257 V(APPLY_OVERFLOW, 1)
Steve Blocka7e24c12009-10-30 11:49:00 +0000258
259
Steve Block44f0eee2011-05-26 01:26:41 +0100260class BuiltinFunctionTable;
Steve Blocka7e24c12009-10-30 11:49:00 +0000261class ObjectVisitor;
262
263
Steve Block44f0eee2011-05-26 01:26:41 +0100264class Builtins {
Steve Blocka7e24c12009-10-30 11:49:00 +0000265 public:
Steve Block44f0eee2011-05-26 01:26:41 +0100266 ~Builtins();
267
Steve Blocka7e24c12009-10-30 11:49:00 +0000268 // Generate all builtin code objects. Should be called once during
Steve Block44f0eee2011-05-26 01:26:41 +0100269 // isolate initialization.
Ben Murdoch3ef787d2012-04-12 10:51:47 +0100270 void SetUp(bool create_heap_objects);
Steve Block44f0eee2011-05-26 01:26:41 +0100271 void TearDown();
Steve Blocka7e24c12009-10-30 11:49:00 +0000272
273 // Garbage collection support.
Steve Block44f0eee2011-05-26 01:26:41 +0100274 void IterateBuiltins(ObjectVisitor* v);
Steve Blocka7e24c12009-10-30 11:49:00 +0000275
276 // Disassembler support.
Steve Block44f0eee2011-05-26 01:26:41 +0100277 const char* Lookup(byte* pc);
Steve Blocka7e24c12009-10-30 11:49:00 +0000278
279 enum Name {
Steve Block44f0eee2011-05-26 01:26:41 +0100280#define DEF_ENUM_C(name, ignore) k##name,
281#define DEF_ENUM_A(name, kind, state, extra) k##name,
Steve Blocka7e24c12009-10-30 11:49:00 +0000282 BUILTIN_LIST_C(DEF_ENUM_C)
283 BUILTIN_LIST_A(DEF_ENUM_A)
284 BUILTIN_LIST_DEBUG_A(DEF_ENUM_A)
285#undef DEF_ENUM_C
286#undef DEF_ENUM_A
287 builtin_count
288 };
289
290 enum CFunctionId {
Leon Clarkee46be812010-01-19 14:06:41 +0000291#define DEF_ENUM_C(name, ignore) c_##name,
Steve Blocka7e24c12009-10-30 11:49:00 +0000292 BUILTIN_LIST_C(DEF_ENUM_C)
293#undef DEF_ENUM_C
294 cfunction_count
295 };
296
297 enum JavaScript {
298#define DEF_ENUM(name, ignore) name,
299 BUILTINS_LIST_JS(DEF_ENUM)
300#undef DEF_ENUM
301 id_count
302 };
303
Steve Block44f0eee2011-05-26 01:26:41 +0100304#define DECLARE_BUILTIN_ACCESSOR_C(name, ignore) Handle<Code> name();
305#define DECLARE_BUILTIN_ACCESSOR_A(name, kind, state, extra) \
306 Handle<Code> name();
307 BUILTIN_LIST_C(DECLARE_BUILTIN_ACCESSOR_C)
308 BUILTIN_LIST_A(DECLARE_BUILTIN_ACCESSOR_A)
309 BUILTIN_LIST_DEBUG_A(DECLARE_BUILTIN_ACCESSOR_A)
310#undef DECLARE_BUILTIN_ACCESSOR_C
311#undef DECLARE_BUILTIN_ACCESSOR_A
312
313 Code* builtin(Name name) {
Steve Blocka7e24c12009-10-30 11:49:00 +0000314 // Code::cast cannot be used here since we access builtins
315 // during the marking phase of mark sweep. See IC::Clear.
316 return reinterpret_cast<Code*>(builtins_[name]);
317 }
318
Steve Block44f0eee2011-05-26 01:26:41 +0100319 Address builtin_address(Name name) {
Steve Blocka7e24c12009-10-30 11:49:00 +0000320 return reinterpret_cast<Address>(&builtins_[name]);
321 }
322
323 static Address c_function_address(CFunctionId id) {
324 return c_functions_[id];
325 }
326
327 static const char* GetName(JavaScript id) { return javascript_names_[id]; }
328 static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; }
Steve Block44f0eee2011-05-26 01:26:41 +0100329 Handle<Code> GetCode(JavaScript id, bool* resolved);
Steve Blocka7e24c12009-10-30 11:49:00 +0000330 static int NumberOfJavaScriptBuiltins() { return id_count; }
331
Steve Block44f0eee2011-05-26 01:26:41 +0100332 bool is_initialized() const { return initialized_; }
333
Steve Blocka7e24c12009-10-30 11:49:00 +0000334 private:
Steve Block44f0eee2011-05-26 01:26:41 +0100335 Builtins();
336
Steve Blocka7e24c12009-10-30 11:49:00 +0000337 // The external C++ functions called from the code.
Steve Block44f0eee2011-05-26 01:26:41 +0100338 static Address const c_functions_[cfunction_count];
Steve Blocka7e24c12009-10-30 11:49:00 +0000339
340 // Note: These are always Code objects, but to conform with
341 // IterateBuiltins() above which assumes Object**'s for the callback
342 // function f, we use an Object* array here.
Steve Block44f0eee2011-05-26 01:26:41 +0100343 Object* builtins_[builtin_count];
344 const char* names_[builtin_count];
345 static const char* const javascript_names_[id_count];
346 static int const javascript_argc_[id_count];
Steve Blocka7e24c12009-10-30 11:49:00 +0000347
Leon Clarkee46be812010-01-19 14:06:41 +0000348 static void Generate_Adaptor(MacroAssembler* masm,
349 CFunctionId id,
350 BuiltinExtraArguments extra_args);
Kristian Monsen0d5e1162010-09-30 15:31:59 +0100351 static void Generate_JSConstructStubCountdown(MacroAssembler* masm);
Steve Blocka7e24c12009-10-30 11:49:00 +0000352 static void Generate_JSConstructStubGeneric(MacroAssembler* masm);
Leon Clarkee46be812010-01-19 14:06:41 +0000353 static void Generate_JSConstructStubApi(MacroAssembler* masm);
Steve Blocka7e24c12009-10-30 11:49:00 +0000354 static void Generate_JSEntryTrampoline(MacroAssembler* masm);
355 static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm);
Iain Merrick75681382010-08-19 15:07:18 +0100356 static void Generate_LazyCompile(MacroAssembler* masm);
Ben Murdochb0fe1622011-05-05 13:52:32 +0100357 static void Generate_LazyRecompile(MacroAssembler* masm);
358 static void Generate_NotifyDeoptimized(MacroAssembler* masm);
359 static void Generate_NotifyLazyDeoptimized(MacroAssembler* masm);
360 static void Generate_NotifyOSR(MacroAssembler* masm);
Steve Blocka7e24c12009-10-30 11:49:00 +0000361 static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm);
362
363 static void Generate_FunctionCall(MacroAssembler* masm);
364 static void Generate_FunctionApply(MacroAssembler* masm);
365
Ben Murdoch3ef787d2012-04-12 10:51:47 +0100366 static void Generate_InternalArrayCode(MacroAssembler* masm);
Steve Blocka7e24c12009-10-30 11:49:00 +0000367 static void Generate_ArrayCode(MacroAssembler* masm);
368 static void Generate_ArrayConstructCode(MacroAssembler* masm);
Kristian Monsen80d68ea2010-09-08 11:05:35 +0100369
370 static void Generate_StringConstructCode(MacroAssembler* masm);
Ben Murdochb0fe1622011-05-05 13:52:32 +0100371 static void Generate_OnStackReplacement(MacroAssembler* masm);
Steve Block44f0eee2011-05-26 01:26:41 +0100372
373 static void InitBuiltinFunctionTable();
374
375 bool initialized_;
376
377 friend class BuiltinFunctionTable;
378 friend class Isolate;
379
380 DISALLOW_COPY_AND_ASSIGN(Builtins);
Steve Blocka7e24c12009-10-30 11:49:00 +0000381};
382
383} } // namespace v8::internal
384
385#endif // V8_BUILTINS_H_