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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 (function(global, utils, extrasUtils) { | 5 (function(global, utils, extrasUtils) { |
6 | 6 |
7 "use strict"; | 7 "use strict"; |
8 | 8 |
9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
10 | 10 |
11 // ----------------------------------------------------------------------- | 11 // ----------------------------------------------------------------------- |
12 // Utils | 12 // Utils |
13 | 13 |
14 var imports = UNDEFINED; | 14 var imports = UNDEFINED; |
15 var imports_from_experimental = UNDEFINED; | |
16 var exports_container = %ExportFromRuntime({}); | 15 var exports_container = %ExportFromRuntime({}); |
17 var typed_array_setup = UNDEFINED; | |
18 | |
19 // Register context value to be initialized with a typed array in | |
20 // Genesis::InitializeBuiltinTypedArrays. | |
21 function SetupTypedArray(f) { | |
22 f.next = typed_array_setup; | |
23 typed_array_setup = f; | |
24 } | |
25 | 16 |
26 // Export to other scripts. | 17 // Export to other scripts. |
27 // In normal natives, this exports functions to other normal natives. | |
28 // In experimental natives, this exports to other experimental natives and | |
29 // to normal natives that import using utils.ImportFromExperimental. | |
30 function Export(f) { | 18 function Export(f) { |
31 f(exports_container); | 19 f(exports_container); |
32 } | 20 } |
33 | 21 |
34 | 22 |
35 // Import from other scripts. The actual importing happens in PostNatives and | 23 // Import from other scripts. The actual importing happens in PostNatives so |
36 // PostExperimental so that we can import from scripts executed later. However, | 24 // that we can import from scripts executed later. However, that means that |
37 // that means that the import is not available until the very end. If the | 25 // the import is not available until the very end. If the import needs to be |
38 // import needs to be available immediate, use ImportNow. | 26 // available immediately, use ImportNow. |
39 // In normal natives, this imports from other normal natives. | |
40 // In experimental natives, this imports from other experimental natives and | |
41 // whitelisted exports from normal natives. | |
42 function Import(f) { | 27 function Import(f) { |
43 f.next = imports; | 28 f.next = imports; |
44 imports = f; | 29 imports = f; |
45 } | 30 } |
46 | 31 |
47 | 32 |
48 // Import immediately from exports of previous scripts. We need this for | 33 // Import immediately from exports of previous scripts. We need this for |
49 // functions called during bootstrapping. Hooking up imports in PostNatives | 34 // functions called during bootstrapping. Hooking up imports in PostNatives |
50 // would be too late. | 35 // would be too late. |
51 function ImportNow(name) { | 36 function ImportNow(name) { |
52 return exports_container[name]; | 37 return exports_container[name]; |
53 } | 38 } |
54 | 39 |
55 | 40 |
56 // In normal natives, import from experimental natives. | |
57 // Not callable from experimental natives. | |
58 function ImportFromExperimental(f) { | |
59 f.next = imports_from_experimental; | |
60 imports_from_experimental = f; | |
61 } | |
62 | |
63 | |
64 function SetFunctionName(f, name, prefix) { | 41 function SetFunctionName(f, name, prefix) { |
65 if (IS_SYMBOL(name)) { | 42 if (IS_SYMBOL(name)) { |
66 name = "[" + %SymbolDescription(name) + "]"; | 43 name = "[" + %SymbolDescription(name) + "]"; |
67 } | 44 } |
68 if (IS_UNDEFINED(prefix)) { | 45 if (IS_UNDEFINED(prefix)) { |
69 %FunctionSetName(f, name); | 46 %FunctionSetName(f, name); |
70 } else { | 47 } else { |
71 %FunctionSetName(f, prefix + " " + name); | 48 %FunctionSetName(f, prefix + " " + name); |
72 } | 49 } |
73 } | 50 } |
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158 // ----------------------------------------------------------------------- | 135 // ----------------------------------------------------------------------- |
159 // To be called by bootstrapper | 136 // To be called by bootstrapper |
160 | 137 |
161 function PostNatives(utils) { | 138 function PostNatives(utils) { |
162 %CheckIsBootstrapping(); | 139 %CheckIsBootstrapping(); |
163 | 140 |
164 for ( ; !IS_UNDEFINED(imports); imports = imports.next) { | 141 for ( ; !IS_UNDEFINED(imports); imports = imports.next) { |
165 imports(exports_container); | 142 imports(exports_container); |
166 } | 143 } |
167 | 144 |
168 // Whitelist of exports from normal natives to experimental natives and debug. | |
169 var expose_list = [ | |
170 "FormatDateToParts", | |
171 "MapEntries", | |
172 "MapIteratorNext", | |
173 "MaxSimple", | |
174 "MinSimple", | |
175 "SetIteratorNext", | |
176 "SetValues", | |
177 "ToLocaleLowerCaseI18N", | |
178 "ToLocaleUpperCaseI18N", | |
179 "ToLowerCaseI18N", | |
180 "ToUpperCaseI18N", | |
181 // From runtime: | |
182 "promise_result_symbol", | |
183 "promise_state_symbol", | |
184 "reflect_apply", | |
185 "to_string_tag_symbol", | |
186 ]; | |
187 | |
188 var filtered_exports = {}; | |
189 %OptimizeObjectForAddingMultipleProperties( | |
190 filtered_exports, expose_list.length); | |
191 for (var key of expose_list) { | |
192 filtered_exports[key] = exports_container[key]; | |
193 } | |
194 %ToFastProperties(filtered_exports); | |
195 exports_container = filtered_exports; | |
196 | |
197 utils.PostNatives = UNDEFINED; | |
198 utils.ImportFromExperimental = UNDEFINED; | |
199 } | |
200 | |
201 | |
202 function PostExperimentals(utils) { | |
203 %CheckIsBootstrapping(); | |
204 for ( ; !IS_UNDEFINED(imports); imports = imports.next) { | |
205 imports(exports_container); | |
206 } | |
207 for ( ; !IS_UNDEFINED(imports_from_experimental); | |
208 imports_from_experimental = imports_from_experimental.next) { | |
209 imports_from_experimental(exports_container); | |
210 } | |
211 | |
212 utils.Export = UNDEFINED; | |
213 utils.PostDebug = UNDEFINED; | |
214 utils.PostExperimentals = UNDEFINED; | |
215 typed_array_setup = UNDEFINED; | |
216 } | |
217 | |
218 | |
219 function PostDebug(utils) { | |
220 for ( ; !IS_UNDEFINED(imports); imports = imports.next) { | |
221 imports(exports_container); | |
222 } | |
223 | |
224 exports_container = UNDEFINED; | 145 exports_container = UNDEFINED; |
225 | |
226 utils.Export = UNDEFINED; | 146 utils.Export = UNDEFINED; |
227 utils.Import = UNDEFINED; | 147 utils.Import = UNDEFINED; |
228 utils.ImportNow = UNDEFINED; | 148 utils.ImportNow = UNDEFINED; |
229 utils.PostDebug = UNDEFINED; | 149 utils.PostNatives = UNDEFINED; |
230 utils.PostExperimentals = UNDEFINED; | |
231 typed_array_setup = UNDEFINED; | |
232 } | 150 } |
233 | 151 |
234 | |
235 function InitializeBuiltinTypedArrays(utils, rng_state, rempio2result) { | |
236 var setup_list = typed_array_setup; | |
237 | |
238 for ( ; !IS_UNDEFINED(setup_list); setup_list = setup_list.next) { | |
239 setup_list(rng_state, rempio2result); | |
240 } | |
241 } | |
242 | |
243 | |
244 // ----------------------------------------------------------------------- | 152 // ----------------------------------------------------------------------- |
245 | 153 |
246 %OptimizeObjectForAddingMultipleProperties(utils, 14); | 154 %OptimizeObjectForAddingMultipleProperties(utils, 14); |
247 | 155 |
248 utils.Import = Import; | 156 utils.Import = Import; |
249 utils.ImportNow = ImportNow; | 157 utils.ImportNow = ImportNow; |
250 utils.Export = Export; | 158 utils.Export = Export; |
251 utils.ImportFromExperimental = ImportFromExperimental; | |
252 utils.SetFunctionName = SetFunctionName; | 159 utils.SetFunctionName = SetFunctionName; |
253 utils.InstallConstants = InstallConstants; | 160 utils.InstallConstants = InstallConstants; |
254 utils.InstallFunctions = InstallFunctions; | 161 utils.InstallFunctions = InstallFunctions; |
255 utils.InstallGetter = InstallGetter; | 162 utils.InstallGetter = InstallGetter; |
256 utils.OverrideFunction = OverrideFunction; | 163 utils.OverrideFunction = OverrideFunction; |
257 utils.SetUpLockedPrototype = SetUpLockedPrototype; | 164 utils.SetUpLockedPrototype = SetUpLockedPrototype; |
258 utils.PostNatives = PostNatives; | 165 utils.PostNatives = PostNatives; |
259 utils.PostExperimentals = PostExperimentals; | |
260 utils.PostDebug = PostDebug; | |
261 | 166 |
262 %ToFastProperties(utils); | 167 %ToFastProperties(utils); |
263 | 168 |
264 // ----------------------------------------------------------------------- | 169 // ----------------------------------------------------------------------- |
265 | 170 |
266 %OptimizeObjectForAddingMultipleProperties(extrasUtils, 7); | 171 %OptimizeObjectForAddingMultipleProperties(extrasUtils, 7); |
267 | 172 |
268 extrasUtils.logStackTrace = function logStackTrace() { | 173 extrasUtils.logStackTrace = function logStackTrace() { |
269 %DebugTrace(); | 174 %DebugTrace(); |
270 }; | 175 }; |
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309 %promise_internal_reject(promise, reason, true); | 214 %promise_internal_reject(promise, reason, true); |
310 } | 215 } |
311 | 216 |
312 extrasUtils.markPromiseAsHandled = function markPromiseAsHandled(promise) { | 217 extrasUtils.markPromiseAsHandled = function markPromiseAsHandled(promise) { |
313 %PromiseMarkAsHandled(promise); | 218 %PromiseMarkAsHandled(promise); |
314 }; | 219 }; |
315 | 220 |
316 %ToFastProperties(extrasUtils); | 221 %ToFastProperties(extrasUtils); |
317 | 222 |
318 }) | 223 }) |
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