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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #include "print-extension.h" | 28 var global = this.global || {}; |
| 29 var setTimeout; |
| 30 var clearTimeout; |
| 29 | 31 |
| 30 namespace v8 { | 32 (function() { |
| 31 namespace internal { | 33 var timers = {}; |
| 34 var currentId = 0; |
| 32 | 35 |
| 33 v8::Handle<v8::FunctionTemplate> PrintExtension::GetNativeFunctionTemplate( | 36 function PostMicrotask(fn) { |
| 34 v8::Isolate* isolate, | 37 var o = {}; |
| 35 v8::Handle<v8::String> str) { | 38 Object.observe(o, function() { |
| 36 return v8::FunctionTemplate::New(isolate, PrintExtension::Print); | 39 fn(); |
| 40 }); |
| 41 // Change something to enqueue a microtask. |
| 42 o.x = 'hello'; |
| 37 } | 43 } |
| 38 | 44 |
| 39 | 45 setInterval = function(fn, delay) { |
| 40 void PrintExtension::Print(const v8::FunctionCallbackInfo<v8::Value>& args) { | 46 var i = 0; |
| 41 for (int i = 0; i < args.Length(); i++) { | 47 var id = currentId++; |
| 42 if (i != 0) printf(" "); | 48 function loop() { |
| 43 v8::HandleScope scope(args.GetIsolate()); | 49 if (!timers[id]) { |
| 44 v8::String::Utf8Value str(args[i]); | 50 return; |
| 45 if (*str == NULL) return; | 51 } |
| 46 printf("%s", *str); | 52 if (i++ >= delay) { |
| 53 fn(); |
| 54 } |
| 55 PostMicrotask(loop); |
| 47 } | 56 } |
| 48 printf("\n"); | 57 PostMicrotask(loop); |
| 58 timers[id] = true; |
| 59 return id; |
| 49 } | 60 } |
| 50 | 61 |
| 51 } } // namespace v8::internal | 62 clearTimeout = function(id) { |
| 63 delete timers[id]; |
| 64 } |
| 65 |
| 66 clearInterval = clearTimeout; |
| 67 |
| 68 setTimeout = function(fn, delay) { |
| 69 var id = setInterval(function() { |
| 70 fn(); |
| 71 clearInterval(id); |
| 72 }, delay); |
| 73 return id; |
| 74 } |
| 75 |
| 76 }()); |
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