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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google, Inc. All Rights Reserved. | 2 * Copyright (C) 2010 Google, Inc. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #include "core/html/parser/HTMLParserScriptRunner.h" | 26 #include "core/html/parser/HTMLParserScriptRunner.h" |
| 27 | 27 |
| 28 #include <inttypes.h> |
| 29 #include <memory> |
| 28 #include "bindings/core/v8/Microtask.h" | 30 #include "bindings/core/v8/Microtask.h" |
| 29 #include "bindings/core/v8/ScriptSourceCode.h" | 31 #include "bindings/core/v8/ScriptSourceCode.h" |
| 32 #include "bindings/core/v8/V8Binding.h" |
| 30 #include "bindings/core/v8/V8PerIsolateData.h" | 33 #include "bindings/core/v8/V8PerIsolateData.h" |
| 31 #include "core/dom/DocumentParserTiming.h" | 34 #include "core/dom/DocumentParserTiming.h" |
| 32 #include "core/dom/Element.h" | 35 #include "core/dom/Element.h" |
| 33 #include "core/dom/IgnoreDestructiveWriteCountIncrementer.h" | 36 #include "core/dom/IgnoreDestructiveWriteCountIncrementer.h" |
| 34 #include "core/dom/ScriptLoader.h" | 37 #include "core/dom/ScriptLoader.h" |
| 35 #include "core/dom/TaskRunnerHelper.h" | 38 #include "core/dom/TaskRunnerHelper.h" |
| 36 #include "core/events/Event.h" | 39 #include "core/events/Event.h" |
| 37 #include "core/frame/LocalFrame.h" | 40 #include "core/frame/LocalFrame.h" |
| 38 #include "core/html/parser/HTMLInputStream.h" | 41 #include "core/html/parser/HTMLInputStream.h" |
| 39 #include "core/html/parser/HTMLParserScriptRunnerHost.h" | 42 #include "core/html/parser/HTMLParserScriptRunnerHost.h" |
| 40 #include "core/html/parser/NestingLevelIncrementer.h" | 43 #include "core/html/parser/NestingLevelIncrementer.h" |
| 41 #include "core/inspector/ConsoleMessage.h" | 44 #include "core/inspector/ConsoleMessage.h" |
| 42 #include "core/loader/resource/ScriptResource.h" | 45 #include "core/loader/resource/ScriptResource.h" |
| 43 #include "platform/Histogram.h" | 46 #include "platform/Histogram.h" |
| 44 #include "platform/WebFrameScheduler.h" | 47 #include "platform/WebFrameScheduler.h" |
| 45 #include "platform/instrumentation/tracing/TraceEvent.h" | 48 #include "platform/instrumentation/tracing/TraceEvent.h" |
| 46 #include "platform/instrumentation/tracing/TracedValue.h" | 49 #include "platform/instrumentation/tracing/TracedValue.h" |
| 47 #include "platform/loader/fetch/MemoryCache.h" | 50 #include "platform/loader/fetch/MemoryCache.h" |
| 48 #include "public/platform/Platform.h" | 51 #include "public/platform/Platform.h" |
| 49 #include <inttypes.h> | |
| 50 #include <memory> | |
| 51 | 52 |
| 52 namespace blink { | 53 namespace blink { |
| 53 | 54 |
| 54 namespace { | 55 namespace { |
| 55 | 56 |
| 56 // TODO(bmcquade): move this to a shared location if we find ourselves wanting | 57 // TODO(bmcquade): move this to a shared location if we find ourselves wanting |
| 57 // to trace similar data elsewhere in the codebase. | 58 // to trace similar data elsewhere in the codebase. |
| 58 std::unique_ptr<TracedValue> getTraceArgsForScriptElement( | 59 std::unique_ptr<TracedValue> getTraceArgsForScriptElement( |
| 59 ScriptElementBase* element, | 60 ScriptElementBase* element, |
| 60 const TextPosition& textPosition) { | 61 const TextPosition& textPosition) { |
| (...skipping 486 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 547 if (!parserBlockingScript()) | 548 if (!parserBlockingScript()) |
| 548 return; | 549 return; |
| 549 | 550 |
| 550 DCHECK(parserBlockingScript()->resource()); | 551 DCHECK(parserBlockingScript()->resource()); |
| 551 | 552 |
| 552 // We only care about a load callback if resource is not already in the cache. | 553 // We only care about a load callback if resource is not already in the cache. |
| 553 // Callers will attempt to run the m_parserBlockingScript if possible before | 554 // Callers will attempt to run the m_parserBlockingScript if possible before |
| 554 // returning control to the parser. | 555 // returning control to the parser. |
| 555 if (!parserBlockingScript()->isReady()) { | 556 if (!parserBlockingScript()->isReady()) { |
| 556 if (m_document->frame()) { | 557 if (m_document->frame()) { |
| 557 ScriptState* scriptState = ScriptState::forMainWorld(m_document->frame()); | 558 ScriptState* scriptState = toScriptStateForMainWorld(m_document->frame()); |
| 558 if (scriptState) { | 559 if (scriptState) { |
| 559 ScriptStreamer::startStreaming( | 560 ScriptStreamer::startStreaming( |
| 560 m_parserBlockingScript, ScriptStreamer::ParsingBlocking, | 561 m_parserBlockingScript, ScriptStreamer::ParsingBlocking, |
| 561 m_document->frame()->settings(), scriptState, | 562 m_document->frame()->settings(), scriptState, |
| 562 TaskRunnerHelper::get(TaskType::Networking, m_document)); | 563 TaskRunnerHelper::get(TaskType::Networking, m_document)); |
| 563 } | 564 } |
| 564 } | 565 } |
| 565 | 566 |
| 566 m_parserBlockingScript->watchForLoad(this); | 567 m_parserBlockingScript->watchForLoad(this); |
| 567 } | 568 } |
| 568 } | 569 } |
| 569 | 570 |
| 570 // 1st Clause, Step 23 of https://html.spec.whatwg.org/#prepare-a-script | 571 // 1st Clause, Step 23 of https://html.spec.whatwg.org/#prepare-a-script |
| 571 void HTMLParserScriptRunner::requestDeferredScript(Element* element) { | 572 void HTMLParserScriptRunner::requestDeferredScript(Element* element) { |
| 572 PendingScript* pendingScript = requestPendingScript(element); | 573 PendingScript* pendingScript = requestPendingScript(element); |
| 573 if (!pendingScript) | 574 if (!pendingScript) |
| 574 return; | 575 return; |
| 575 | 576 |
| 576 if (m_document->frame() && !pendingScript->isReady()) { | 577 if (m_document->frame() && !pendingScript->isReady()) { |
| 577 ScriptState* scriptState = ScriptState::forMainWorld(m_document->frame()); | 578 ScriptState* scriptState = toScriptStateForMainWorld(m_document->frame()); |
| 578 if (scriptState) { | 579 if (scriptState) { |
| 579 ScriptStreamer::startStreaming( | 580 ScriptStreamer::startStreaming( |
| 580 pendingScript, ScriptStreamer::Deferred, | 581 pendingScript, ScriptStreamer::Deferred, |
| 581 m_document->frame()->settings(), scriptState, | 582 m_document->frame()->settings(), scriptState, |
| 582 TaskRunnerHelper::get(TaskType::Networking, m_document)); | 583 TaskRunnerHelper::get(TaskType::Networking, m_document)); |
| 583 } | 584 } |
| 584 } | 585 } |
| 585 | 586 |
| 586 DCHECK(pendingScript->resource()); | 587 DCHECK(pendingScript->resource()); |
| 587 | 588 |
| (...skipping 102 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 690 | 691 |
| 691 DEFINE_TRACE(HTMLParserScriptRunner) { | 692 DEFINE_TRACE(HTMLParserScriptRunner) { |
| 692 visitor->trace(m_document); | 693 visitor->trace(m_document); |
| 693 visitor->trace(m_host); | 694 visitor->trace(m_host); |
| 694 visitor->trace(m_parserBlockingScript); | 695 visitor->trace(m_parserBlockingScript); |
| 695 visitor->trace(m_scriptsToExecuteAfterParsing); | 696 visitor->trace(m_scriptsToExecuteAfterParsing); |
| 696 PendingScriptClient::trace(visitor); | 697 PendingScriptClient::trace(visitor); |
| 697 } | 698 } |
| 698 | 699 |
| 699 } // namespace blink | 700 } // namespace blink |
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