Revert "[inspector] Allow limiting the total size of collected scripts."
This reverts commit 5a61630d1d
.
Reason for revert: Breaking gc stress bot - https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20gc%20stress/21477
Original change's description:
> [inspector] Allow limiting the total size of collected scripts.
>
> Introduces the setMaxCollectedScriptsSize Debugger protocol method.
> If the max size is set, the debugger will hold collected (not referenced by other v8 heap objects)
> scripts up to the specified total size of their sources.
>
> BUG=v8:8988
>
> Change-Id: I94d52866494102add91ca2d569a2044b08c9c593
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1518556
> Commit-Queue: Alexei Filippov <alph@chromium.org>
> Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#60227}
TBR=dgozman@chromium.org,alph@chromium.org,kozyatinskiy@chromium.org
Change-Id: I26de645e425f0f7d5aa8212eeefda76dad695b78
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8988
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1522988
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60229}
This commit is contained in:
parent
1f6bccf428
commit
71206891a4
@ -3,12 +3,11 @@ include_rules = [
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"-include/v8-debug.h",
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"+src/base/atomicops.h",
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"+src/base/compiler-specific.h",
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"+src/base/logging.h",
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"+src/base/macros.h",
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"+src/base/logging.h",
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"+src/base/v8-fallthrough.h",
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"+src/base/platform/platform.h",
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"+src/base/platform/mutex.h",
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"+src/base/safe_conversions.h",
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"+src/base/v8-fallthrough.h",
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"+src/conversions.h",
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"+src/v8memory.h",
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"+src/inspector",
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@ -165,10 +165,6 @@ domain Debugger
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# Enables debugger for the given page. Clients should not assume that the debugging has been
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# enabled until the result for this command is received.
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command enable
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parameters
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# The maximum size in bytes of collected scripts (not referenced by other heap objects)
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# the debugger can hold. Puts no limit if paramter is omitted.
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experimental optional number maxCollectedScriptsSize
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returns
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# Unique identifier of the debugger.
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experimental Runtime.UniqueDebuggerId debuggerId
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@ -6,7 +6,6 @@
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#include <algorithm>
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#include "src/base/safe_conversions.h"
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#include "src/debug/debug-interface.h"
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#include "src/inspector/injected-script.h"
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#include "src/inspector/inspected-context.h"
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@ -58,6 +57,8 @@ static const char kDebuggerNotPaused[] =
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static const size_t kBreakpointHintMaxLength = 128;
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static const intptr_t kBreakpointHintMaxSearchOffset = 80 * 10;
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static const int kMaxScriptFailedToParseScripts = 1000;
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namespace {
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void TranslateLocation(protocol::Debugger::Location* location,
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@ -219,6 +220,8 @@ String16 breakLocationType(v8::debug::BreakLocationType type) {
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return String16();
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}
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} // namespace
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String16 scopeType(v8::debug::ScopeIterator::ScopeType type) {
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switch (type) {
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case v8::debug::ScopeIterator::ScopeTypeGlobal:
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@ -244,6 +247,8 @@ String16 scopeType(v8::debug::ScopeIterator::ScopeType type) {
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return String16();
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}
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namespace {
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Response buildScopes(v8::Isolate* isolate, v8::debug::ScopeIterator* iterator,
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InjectedScript* injectedScript,
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std::unique_ptr<Array<Scope>>* scopes) {
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@ -319,11 +324,10 @@ void V8DebuggerAgentImpl::enableImpl() {
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m_state->setBoolean(DebuggerAgentState::debuggerEnabled, true);
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m_debugger->enable();
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std::vector<std::unique_ptr<V8DebuggerScript>> compiledScripts =
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m_debugger->getCompiledScripts(m_session->contextGroupId(), this);
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for (auto& script : compiledScripts) {
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didParseSource(std::move(script), true);
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}
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std::vector<std::unique_ptr<V8DebuggerScript>> compiledScripts;
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m_debugger->getCompiledScripts(m_session->contextGroupId(), compiledScripts);
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for (size_t i = 0; i < compiledScripts.size(); i++)
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didParseSource(std::move(compiledScripts[i]), true);
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m_breakpointsActive = true;
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m_debugger->setBreakpointsActive(true);
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@ -334,10 +338,7 @@ void V8DebuggerAgentImpl::enableImpl() {
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}
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}
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Response V8DebuggerAgentImpl::enable(Maybe<double> maxCollectedScriptsSize,
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String16* outDebuggerId) {
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m_maxCollectedScriptsSize = v8::base::saturated_cast<size_t>(
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maxCollectedScriptsSize.fromMaybe(std::numeric_limits<double>::max()));
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Response V8DebuggerAgentImpl::enable(String16* outDebuggerId) {
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*outDebuggerId = debuggerIdToString(
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m_debugger->debuggerIdFor(m_session->contextGroupId()));
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if (enabled()) return Response::OK();
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@ -369,8 +370,6 @@ Response V8DebuggerAgentImpl::disable() {
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m_blackboxPattern.reset();
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resetBlackboxedStateCache();
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m_scripts.clear();
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m_collectedScriptIds.clear();
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m_collectedScriptsSize = 0;
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for (const auto& it : m_debuggerBreakpointIdToBreakpointId) {
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v8::debug::RemoveBreakpoint(m_isolate, it.first);
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}
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@ -1418,17 +1417,7 @@ void V8DebuggerAgentImpl::didParseSource(
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stack && !stack->isEmpty()
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? stack->buildInspectorObjectImpl(m_debugger, 0)
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: nullptr;
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if (!success) {
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m_frontend.scriptFailedToParse(
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scriptId, scriptURL, scriptRef->startLine(), scriptRef->startColumn(),
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scriptRef->endLine(), scriptRef->endColumn(), contextId,
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scriptRef->hash(), std::move(executionContextAuxDataParam),
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std::move(sourceMapURLParam), hasSourceURLParam, isModuleParam,
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scriptRef->length(), std::move(stackTrace));
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return;
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}
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if (success) {
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// TODO(herhut, dgozman): Report correct length for WASM if needed for
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// coverage. Or do not send the length at all and change coverage instead.
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if (scriptRef->isSourceLoadedLazily()) {
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@ -1445,6 +1434,22 @@ void V8DebuggerAgentImpl::didParseSource(
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isLiveEditParam, std::move(sourceMapURLParam), hasSourceURLParam,
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isModuleParam, scriptRef->length(), std::move(stackTrace));
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}
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} else {
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m_frontend.scriptFailedToParse(
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scriptId, scriptURL, scriptRef->startLine(), scriptRef->startColumn(),
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scriptRef->endLine(), scriptRef->endColumn(), contextId,
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scriptRef->hash(), std::move(executionContextAuxDataParam),
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std::move(sourceMapURLParam), hasSourceURLParam, isModuleParam,
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scriptRef->length(), std::move(stackTrace));
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}
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if (!success) {
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if (scriptURL.isEmpty()) {
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m_failedToParseAnonymousScriptIds.push_back(scriptId);
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cleanupOldFailedToParseAnonymousScriptsIfNeeded();
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}
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return;
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}
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std::vector<protocol::DictionaryValue*> potentialBreakpoints;
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if (!scriptURL.isEmpty()) {
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@ -1641,24 +1646,20 @@ void V8DebuggerAgentImpl::reset() {
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m_blackboxedPositions.clear();
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resetBlackboxedStateCache();
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m_scripts.clear();
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m_collectedScriptIds.clear();
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m_collectedScriptsSize = 0;
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m_breakpointIdToDebuggerBreakpointIds.clear();
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}
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void V8DebuggerAgentImpl::scriptCollected(const String16& scriptId) {
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auto it = m_scripts.find(scriptId);
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DCHECK_NE(it, m_scripts.end());
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m_collectedScriptIds.push_back(scriptId);
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m_collectedScriptsSize += it->second->length() * sizeof(uint16_t);
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while (m_collectedScriptsSize > m_maxCollectedScriptsSize) {
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const String16& scriptIdToRemove = m_collectedScriptIds.front();
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size_t scriptSize =
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m_scripts[scriptIdToRemove]->length() * sizeof(uint16_t);
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DCHECK_GE(m_collectedScriptsSize, scriptSize);
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m_collectedScriptsSize -= scriptSize;
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m_scripts.erase(scriptIdToRemove);
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m_collectedScriptIds.pop_front();
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void V8DebuggerAgentImpl::cleanupOldFailedToParseAnonymousScriptsIfNeeded() {
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if (m_failedToParseAnonymousScriptIds.size() <=
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kMaxScriptFailedToParseScripts)
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return;
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static_assert(kMaxScriptFailedToParseScripts > 100,
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"kMaxScriptFailedToParseScripts should be greater then 100");
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while (m_failedToParseAnonymousScriptIds.size() >
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kMaxScriptFailedToParseScripts - 100 + 1) {
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String16 scriptId = m_failedToParseAnonymousScriptIds.front();
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m_failedToParseAnonymousScriptIds.pop_front();
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m_scripts.erase(scriptId);
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}
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}
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@ -41,8 +41,7 @@ class V8DebuggerAgentImpl : public protocol::Debugger::Backend {
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void restore();
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// Part of the protocol.
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Response enable(Maybe<double> maxCollectedScriptsSize,
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String16* outDebuggerId) override;
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Response enable(String16* outDebuggerId) override;
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Response disable() override;
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Response setBreakpointsActive(bool active) override;
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Response setSkipAllPauses(bool skip) override;
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@ -152,8 +151,6 @@ class V8DebuggerAgentImpl : public protocol::Debugger::Backend {
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bool acceptsPause(bool isOOMBreak) const;
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void scriptCollected(const String16& scriptId);
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v8::Isolate* isolate() { return m_isolate; }
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private:
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@ -202,9 +199,8 @@ class V8DebuggerAgentImpl : public protocol::Debugger::Backend {
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BreakpointIdToDebuggerBreakpointIdsMap m_breakpointIdToDebuggerBreakpointIds;
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DebuggerBreakpointIdToBreakpointIdMap m_debuggerBreakpointIdToBreakpointId;
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size_t m_maxCollectedScriptsSize = 0;
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size_t m_collectedScriptsSize = 0;
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std::deque<String16> m_collectedScriptIds;
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std::deque<String16> m_failedToParseAnonymousScriptIds;
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void cleanupOldFailedToParseAnonymousScriptsIfNeeded();
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using BreakReason =
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std::pair<String16, std::unique_ptr<protocol::DictionaryValue>>;
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@ -225,6 +221,8 @@ class V8DebuggerAgentImpl : public protocol::Debugger::Backend {
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DISALLOW_COPY_AND_ASSIGN(V8DebuggerAgentImpl);
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};
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String16 scopeType(v8::debug::ScopeIterator::ScopeType type);
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} // namespace v8_inspector
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#endif // V8_INSPECTOR_V8_DEBUGGER_AGENT_IMPL_H_
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@ -6,7 +6,6 @@
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#include "src/inspector/inspected-context.h"
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#include "src/inspector/string-util.h"
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#include "src/inspector/v8-debugger-agent-impl.h"
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#include "src/inspector/v8-inspector-impl.h"
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#include "src/inspector/wasm-translation.h"
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#include "src/v8memory.h"
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@ -117,11 +116,9 @@ class ActualScript : public V8DebuggerScript {
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public:
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ActualScript(v8::Isolate* isolate, v8::Local<v8::debug::Script> script,
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bool isLiveEdit, V8DebuggerAgentImpl* agent,
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V8InspectorClient* client)
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bool isLiveEdit, V8InspectorClient* client)
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: V8DebuggerScript(isolate, String16::fromInteger(script->Id()),
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GetScriptURL(isolate, script, client)),
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m_agent(agent),
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m_isLiveEdit(isLiveEdit) {
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Initialize(script);
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}
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@ -149,7 +146,8 @@ class ActualScript : public V8DebuggerScript {
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int length() const override {
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v8::HandleScope scope(m_isolate);
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v8::Local<v8::String> v8Source;
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return script()->Source().ToLocal(&v8Source) ? v8Source->Length() : 0;
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if (!script()->Source().ToLocal(&v8Source)) return 0;
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return v8Source->Length();
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}
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const String16& sourceMappingURL() const override {
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@ -236,18 +234,19 @@ class ActualScript : public V8DebuggerScript {
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}
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const String16& hash() const override {
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if (!m_hash.isEmpty()) return m_hash;
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if (m_hash.isEmpty()) {
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v8::HandleScope scope(m_isolate);
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v8::Local<v8::String> v8Source;
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if (script()->Source().ToLocal(&v8Source)) {
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m_hash = calculateHash(m_isolate, v8Source);
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}
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}
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DCHECK(!m_hash.isEmpty());
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return m_hash;
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}
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private:
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static String16 GetScriptURL(v8::Isolate* isolate,
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String16 GetScriptURL(v8::Isolate* isolate,
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v8::Local<v8::debug::Script> script,
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V8InspectorClient* client) {
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v8::Local<v8::String> sourceURL;
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@ -295,21 +294,9 @@ class ActualScript : public V8DebuggerScript {
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m_isModule = script->IsModule();
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m_script.Reset(m_isolate, script);
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m_script.SetWeak(
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this,
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[](const v8::WeakCallbackInfo<ActualScript>& data) {
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data.GetParameter()->WeakCallback();
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},
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v8::WeakCallbackType::kFinalizer);
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}
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void WeakCallback() {
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m_script.ClearWeak();
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m_script.AnnotateStrongRetainer(kGlobalDebuggerScriptHandleLabel);
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m_agent->scriptCollected(m_id);
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}
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V8DebuggerAgentImpl* m_agent;
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String16 m_sourceMappingURL;
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bool m_isLiveEdit = false;
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bool m_isModule = false;
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@ -449,18 +436,18 @@ class WasmVirtualScript : public V8DebuggerScript {
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std::unique_ptr<V8DebuggerScript> V8DebuggerScript::Create(
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v8::Isolate* isolate, v8::Local<v8::debug::Script> scriptObj,
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bool isLiveEdit, V8DebuggerAgentImpl* agent, V8InspectorClient* client) {
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return v8::base::make_unique<ActualScript>(isolate, scriptObj, isLiveEdit,
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agent, client);
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bool isLiveEdit, V8InspectorClient* client) {
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return std::unique_ptr<ActualScript>(
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new ActualScript(isolate, scriptObj, isLiveEdit, client));
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}
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std::unique_ptr<V8DebuggerScript> V8DebuggerScript::CreateWasm(
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v8::Isolate* isolate, WasmTranslation* wasmTranslation,
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v8::Local<v8::debug::WasmScript> underlyingScript, String16 id,
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String16 url, int functionIndex) {
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return v8::base::make_unique<WasmVirtualScript>(
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isolate, wasmTranslation, underlyingScript, std::move(id), std::move(url),
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functionIndex);
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return std::unique_ptr<WasmVirtualScript>(
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new WasmVirtualScript(isolate, wasmTranslation, underlyingScript,
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std::move(id), std::move(url), functionIndex));
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}
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V8DebuggerScript::V8DebuggerScript(v8::Isolate* isolate, String16 id,
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@ -481,5 +468,4 @@ bool V8DebuggerScript::setBreakpoint(const String16& condition,
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v8::HandleScope scope(m_isolate);
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return script()->SetBreakpoint(toV8String(m_isolate, condition), loc, id);
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}
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} // namespace v8_inspector
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@ -39,7 +39,7 @@
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namespace v8_inspector {
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class V8DebuggerAgentImpl;
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// Forward declaration.
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class V8InspectorClient;
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class WasmTranslation;
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@ -47,7 +47,7 @@ class V8DebuggerScript {
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public:
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static std::unique_ptr<V8DebuggerScript> Create(
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v8::Isolate* isolate, v8::Local<v8::debug::Script> script,
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bool isLiveEdit, V8DebuggerAgentImpl* agent, V8InspectorClient* client);
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bool isLiveEdit, V8InspectorClient* client);
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static std::unique_ptr<V8DebuggerScript> CreateWasm(
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v8::Isolate* isolate, WasmTranslation* wasmTranslation,
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v8::Local<v8::debug::WasmScript> underlyingScript, String16 id,
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|
@ -120,24 +120,26 @@ bool V8Debugger::isPausedInContextGroup(int contextGroupId) const {
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bool V8Debugger::enabled() const { return m_enableCount > 0; }
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std::vector<std::unique_ptr<V8DebuggerScript>> V8Debugger::getCompiledScripts(
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int contextGroupId, V8DebuggerAgentImpl* agent) {
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std::vector<std::unique_ptr<V8DebuggerScript>> result;
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void V8Debugger::getCompiledScripts(
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int contextGroupId,
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std::vector<std::unique_ptr<V8DebuggerScript>>& result) {
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v8::HandleScope scope(m_isolate);
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v8::PersistentValueVector<v8::debug::Script> scripts(m_isolate);
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v8::debug::GetLoadedScripts(m_isolate, scripts);
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for (size_t i = 0; i < scripts.Size(); ++i) {
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v8::Local<v8::debug::Script> script = scripts.Get(i);
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if (!script->WasCompiled()) continue;
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if (!script->IsEmbedded()) {
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if (script->IsEmbedded()) {
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result.push_back(V8DebuggerScript::Create(m_isolate, script, false,
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m_inspector->client()));
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continue;
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}
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int contextId;
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if (!script->ContextId().To(&contextId)) continue;
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if (m_inspector->contextGroupId(contextId) != contextGroupId) continue;
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}
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result.push_back(V8DebuggerScript::Create(m_isolate, script, false, agent,
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result.push_back(V8DebuggerScript::Create(m_isolate, script, false,
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m_inspector->client()));
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}
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return result;
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}
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void V8Debugger::setBreakpointsActive(bool active) {
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@ -488,8 +490,7 @@ void V8Debugger::ScriptCompiled(v8::Local<v8::debug::Script> script,
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&client](V8InspectorSessionImpl* session) {
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if (!session->debuggerAgent()->enabled()) return;
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session->debuggerAgent()->didParseSource(
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V8DebuggerScript::Create(isolate, script, is_live_edited,
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session->debuggerAgent(), client),
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V8DebuggerScript::Create(isolate, script, is_live_edited, client),
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!has_compile_error);
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});
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}
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|
@ -73,8 +73,8 @@ class V8Debugger : public v8::debug::DebugDelegate,
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// compiled.
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// Only scripts whose debug data matches |contextGroupId| will be reported.
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// Passing 0 will result in reporting all scripts.
|
||||
std::vector<std::unique_ptr<V8DebuggerScript>> getCompiledScripts(
|
||||
int contextGroupId, V8DebuggerAgentImpl* agent);
|
||||
void getCompiledScripts(int contextGroupId,
|
||||
std::vector<std::unique_ptr<V8DebuggerScript>>&);
|
||||
void enable();
|
||||
void disable();
|
||||
|
||||
|
@ -0,0 +1,17 @@
|
||||
Checks that inspector collects old faied to parse anonymous scripts.
|
||||
Generate 1000 scriptFailedToParse events
|
||||
error:0
|
||||
success:1000
|
||||
Generate three scriptFailedToParse event for non anonymous script
|
||||
error:0
|
||||
success:1003
|
||||
Generate one more scriptFailedToParse event for anonymous script
|
||||
error:100
|
||||
success:904
|
||||
Check that latest script is still available
|
||||
{
|
||||
id : <messageId>
|
||||
result : {
|
||||
scriptSource : }
|
||||
}
|
||||
}
|
@ -0,0 +1,49 @@
|
||||
// Copyright 2018 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.
|
||||
|
||||
let {session, contextGroup, Protocol} = InspectorTest.start(
|
||||
'Checks that inspector collects old faied to parse anonymous scripts.');
|
||||
|
||||
(async function main() {
|
||||
Protocol.Debugger.enable();
|
||||
const scriptIds = [];
|
||||
Protocol.Debugger.onScriptFailedToParse(
|
||||
message => scriptIds.push(message.params.scriptId));
|
||||
InspectorTest.log('Generate 1000 scriptFailedToParse events');
|
||||
await Protocol.Runtime.evaluate({
|
||||
expression: `for (var i = 0; i < 1000; ++i) {
|
||||
try { JSON.parse('}'); } catch(e) {}
|
||||
}`
|
||||
});
|
||||
await dumpScriptIdsStats(scriptIds);
|
||||
InspectorTest.log(
|
||||
'Generate three scriptFailedToParse event for non anonymous script');
|
||||
for (var i = 0; i < 3; ++i) {
|
||||
await Protocol.Runtime.evaluate({expression: '}//# sourceURL=foo.js'});
|
||||
}
|
||||
await dumpScriptIdsStats(scriptIds);
|
||||
InspectorTest.log(
|
||||
'Generate one more scriptFailedToParse event for anonymous script');
|
||||
await Protocol.Runtime.evaluate(
|
||||
{expression: `try {JSON.parse('}');} catch(e){}`});
|
||||
await dumpScriptIdsStats(scriptIds);
|
||||
InspectorTest.log('Check that latest script is still available');
|
||||
InspectorTest.logMessage(await Protocol.Debugger.getScriptSource(
|
||||
{scriptId: scriptIds[scriptIds.length - 1]}));
|
||||
InspectorTest.completeTest();
|
||||
})();
|
||||
|
||||
async function dumpScriptIdsStats(scriptIds) {
|
||||
let errors = 0;
|
||||
let success = 0;
|
||||
for (let scriptId of scriptIds) {
|
||||
const result =
|
||||
await Protocol.Debugger.getScriptSource({scriptId: scriptId});
|
||||
if (result.error)
|
||||
++errors;
|
||||
else
|
||||
++success;
|
||||
}
|
||||
InspectorTest.log(`error:${errors}\nsuccess:${success}`);
|
||||
}
|
@ -1,8 +0,0 @@
|
||||
Checks that inspector collects old collected scripts.
|
||||
|
||||
Generate 5 scripts 1MB each
|
||||
Generate 30 more scripts 1MB each
|
||||
Check that latest script is still available
|
||||
Last script length: 500009
|
||||
Check that an earlier script is not available
|
||||
Script is not found: true
|
@ -1,41 +0,0 @@
|
||||
// Copyright 2019 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.
|
||||
|
||||
let {session, contextGroup, Protocol} = InspectorTest.start(
|
||||
'Checks that inspector collects old collected scripts.\n');
|
||||
|
||||
(async function main() {
|
||||
const maxCollectedScriptsSize = 10e6;
|
||||
Protocol.Debugger.enable({maxCollectedScriptsSize});
|
||||
const scriptIds = [];
|
||||
Protocol.Debugger.onScriptParsed(message => scriptIds.push(message.params.scriptId));
|
||||
|
||||
InspectorTest.log('Generate 5 scripts 1MB each');
|
||||
await Protocol.Runtime.evaluate({
|
||||
expression: `for (let i = 0; i < 5; ++i) {
|
||||
eval("'" + new Array(1e5).fill(12345).join('') + "'.length");
|
||||
}`
|
||||
});
|
||||
|
||||
const aScriptId = scriptIds[scriptIds.length - 1];
|
||||
|
||||
InspectorTest.log('Generate 30 more scripts 1MB each');
|
||||
await Protocol.Runtime.evaluate({
|
||||
expression: `for (let i = 0; i < 30; ++i) {
|
||||
eval("'" + new Array(1e5).fill(12345).join('') + "'.length");
|
||||
}`
|
||||
});
|
||||
|
||||
await Protocol.HeapProfiler.collectGarbage();
|
||||
|
||||
InspectorTest.log('Check that latest script is still available');
|
||||
let result = await Protocol.Debugger.getScriptSource({scriptId: scriptIds[scriptIds.length - 1]});
|
||||
InspectorTest.logMessage(`Last script length: ${result.result && result.result.scriptSource.length}`);
|
||||
|
||||
InspectorTest.log('Check that an earlier script is not available');
|
||||
result = await Protocol.Debugger.getScriptSource({scriptId: aScriptId});
|
||||
InspectorTest.logMessage(`Script is not found: ${result.error && result.error.message.includes('No script for id')}`);
|
||||
|
||||
InspectorTest.completeTest();
|
||||
})();
|
Loading…
Reference in New Issue
Block a user