mirror of
https://github.com/dart-lang/sdk
synced 2024-10-14 05:00:20 +00:00
61caeca47a
This is a reland of commit bc8afad855
On top of the original commit, this change fixes incorrect
propagation of async/async*/sync* modifiers from a function to
its dynamic invocation forwarder.
TEST=ci, runtime/tests/vm/dart/regress_b_238653741_test.dart
Fixes b/238653741
Issue: https://github.com/dart-lang/sdk/issues/48378
Original change's description:
> [vm] Cleanup old async/async*/sync* implementation from the VM
>
> TEST=ci
>
> Issue: https://github.com/dart-lang/sdk/issues/48378
> Change-Id: I089ba4ed5613f30eec29f0db4ac6d5d8fbffd185
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/249980
> Reviewed-by: Martin Kustermann <kustermann@google.com>
> Reviewed-by: Slava Egorov <vegorov@google.com>
> Commit-Queue: Alexander Markov <alexmarkov@google.com>
Change-Id: Iaad033d974a23fc6c5880a3d7f41818eb117f839
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/251300
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
833 lines
29 KiB
C++
833 lines
29 KiB
C++
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME)
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#include "vm/source_report.h"
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#include "vm/bit_vector.h"
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#include "vm/closure_functions_cache.h"
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#include "vm/compiler/jit/compiler.h"
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#include "vm/isolate.h"
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#include "vm/kernel_loader.h"
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#include "vm/object.h"
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#include "vm/object_store.h"
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#include "vm/profiler.h"
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#include "vm/profiler_service.h"
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namespace dart {
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const char* SourceReport::kCallSitesStr = "_CallSites";
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const char* SourceReport::kCoverageStr = "Coverage";
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const char* SourceReport::kPossibleBreakpointsStr = "PossibleBreakpoints";
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const char* SourceReport::kProfileStr = "_Profile";
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const char* SourceReport::kBranchCoverageStr = "BranchCoverage";
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SourceReport::SourceReport(intptr_t report_set,
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CompileMode compile_mode,
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bool report_lines)
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: report_set_(report_set),
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compile_mode_(compile_mode),
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report_lines_(report_lines),
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library_filters_(GrowableObjectArray::Handle()),
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thread_(NULL),
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script_(NULL),
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start_pos_(TokenPosition::kMinSource),
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end_pos_(TokenPosition::kMaxSource),
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next_script_index_(0) {}
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SourceReport::SourceReport(intptr_t report_set,
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const GrowableObjectArray& library_filters,
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CompileMode compile_mode,
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bool report_lines)
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: report_set_(report_set),
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compile_mode_(compile_mode),
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report_lines_(report_lines),
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library_filters_(library_filters),
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thread_(NULL),
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script_(NULL),
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start_pos_(TokenPosition::kMinSource),
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end_pos_(TokenPosition::kMaxSource),
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next_script_index_(0) {}
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SourceReport::~SourceReport() {
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ClearScriptTable();
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}
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void SourceReport::ClearScriptTable() {
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for (intptr_t i = 0; i < script_table_entries_.length(); i++) {
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delete script_table_entries_[i];
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script_table_entries_[i] = NULL;
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}
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script_table_entries_.Clear();
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script_table_.Clear();
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next_script_index_ = 0;
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}
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void SourceReport::Init(Thread* thread,
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const Script* script,
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TokenPosition start_pos,
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TokenPosition end_pos) {
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thread_ = thread;
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script_ = script;
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start_pos_ = TokenPosition::Max(start_pos, TokenPosition::kMinSource);
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end_pos_ = TokenPosition::Min(end_pos, TokenPosition::kMaxSource);
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ClearScriptTable();
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if (IsReportRequested(kProfile)) {
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// Build the profile.
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SampleFilter samplesForIsolate(thread_->isolate()->main_port(),
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Thread::kMutatorTask, -1, -1);
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profile_.Build(thread, &samplesForIsolate, Profiler::sample_block_buffer());
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}
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}
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bool SourceReport::IsReportRequested(ReportKind report_kind) {
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return (report_set_ & report_kind) != 0;
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}
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bool SourceReport::ShouldSkipFunction(const Function& func) {
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// TODO(32315): Verify that the check is still needed after the issue is
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// resolved.
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if (!func.token_pos().IsReal() || !func.end_token_pos().IsReal()) {
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// At least one of the token positions is not known.
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return true;
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}
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if (script_ != NULL && !script_->IsNull()) {
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if (func.script() != script_->ptr()) {
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// The function is from the wrong script.
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return true;
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}
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if ((func.end_token_pos() < start_pos_) || (func.token_pos() > end_pos_)) {
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// The function does not intersect with the requested token range.
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return true;
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}
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}
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// These don't have unoptimized code and are only used for synthetic stubs.
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if (func.ForceOptimize()) return true;
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switch (func.kind()) {
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case UntaggedFunction::kRegularFunction:
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case UntaggedFunction::kClosureFunction:
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case UntaggedFunction::kImplicitClosureFunction:
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case UntaggedFunction::kImplicitStaticGetter:
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case UntaggedFunction::kFieldInitializer:
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case UntaggedFunction::kGetterFunction:
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case UntaggedFunction::kSetterFunction:
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case UntaggedFunction::kConstructor:
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break;
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default:
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return true;
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}
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if (func.is_abstract() || func.IsImplicitConstructor() ||
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func.is_synthetic() || func.is_redirecting_factory()) {
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return true;
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}
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if (func.IsNonImplicitClosureFunction() &&
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(func.context_scope() == ContextScope::null())) {
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// TODO(iposva): This can arise if we attempt to compile an inner function
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// before we have compiled its enclosing function or if the enclosing
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// function failed to compile.
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return true;
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}
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// There is an idiom where static utility classes are given a private
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// constructor to prevent the class from being instantiated. Ignore these
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// constructors so that they don't lower the coverage rate. See #47021.
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SafepointReadRwLocker ml(thread_, thread_->isolate_group()->program_lock());
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if (func.kind() == UntaggedFunction::kConstructor &&
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func.NumParameters() == func.NumImplicitParameters() &&
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func.IsPrivate()) {
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// Check that the class has no non-static members and no subclasses.
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Class& cls = Class::Handle(func.Owner());
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GrowableObjectArray& subclasses =
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GrowableObjectArray::Handle(cls.direct_subclasses());
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if (cls.is_abstract() && !cls.HasInstanceFields() &&
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(subclasses.IsNull() || subclasses.Length() == 0)) {
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// Check that the constructor is the only non-static function.
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Array& clsFuncs = Array::Handle(cls.functions());
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Function& otherFunc = Function::Handle();
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intptr_t numNonStaticFunctions = 0;
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for (intptr_t i = 0; i < clsFuncs.Length(); ++i) {
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otherFunc ^= clsFuncs.At(i);
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if (!otherFunc.IsStaticFunction()) {
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++numNonStaticFunctions;
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}
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}
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if (numNonStaticFunctions == 1) {
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return true;
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}
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}
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}
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// Enum constuctors cannot be invoked by the user, so ignore them.
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if (func.IsGenerativeConstructor()) {
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Class& cls = Class::Handle(func.Owner());
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if (cls.is_enum_class()) {
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return true;
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}
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}
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return false;
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}
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bool SourceReport::ShouldSkipField(const Field& field) {
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if (!field.token_pos().IsReal() || !field.end_token_pos().IsReal()) {
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// At least one of the token positions is not known.
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return true;
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}
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if (script_ != NULL && !script_->IsNull()) {
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if (field.Script() != script_->ptr()) {
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// The field is from the wrong script.
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return true;
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}
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if ((field.end_token_pos() < start_pos_) ||
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(field.token_pos() > end_pos_)) {
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// The field does not intersect with the requested token range.
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return true;
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}
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}
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return false;
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}
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intptr_t SourceReport::GetScriptIndex(const Script& script,
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bool bypass_filters) {
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ScriptTableEntry wrapper;
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const String& url = String::Handle(zone(), script.url());
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wrapper.key = &url;
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wrapper.script = &Script::Handle(zone(), script.ptr());
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ScriptTableEntry* pair = script_table_.LookupValue(&wrapper);
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if (pair != NULL) {
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return pair->index;
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}
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if (!library_filters_.IsNull() && !bypass_filters) {
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return -1;
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}
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ScriptTableEntry* tmp = new ScriptTableEntry();
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tmp->key = &url;
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tmp->index = next_script_index_++;
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tmp->script = wrapper.script;
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script_table_entries_.Add(tmp);
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script_table_.Insert(tmp);
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ASSERT(script_table_entries_.length() == next_script_index_);
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#if defined(DEBUG)
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VerifyScriptTable();
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#endif
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return tmp->index;
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}
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#if defined(DEBUG)
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void SourceReport::VerifyScriptTable() {
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for (intptr_t i = 0; i < script_table_entries_.length(); i++) {
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const String* url = script_table_entries_[i]->key;
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const Script* script = script_table_entries_[i]->script;
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intptr_t index = script_table_entries_[i]->index;
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ASSERT(i == index);
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const String& url2 = String::Handle(zone(), script->url());
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ASSERT(url2.Equals(*url));
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ScriptTableEntry wrapper;
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wrapper.key = &url2;
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wrapper.script = &Script::Handle(zone(), script->ptr());
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ScriptTableEntry* pair = script_table_.LookupValue(&wrapper);
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ASSERT(i == pair->index);
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}
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}
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#endif
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bool SourceReport::ScriptIsLoadedByLibrary(const Script& script,
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const Library& lib) {
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const Array& scripts = Array::Handle(zone(), lib.LoadedScripts());
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for (intptr_t j = 0; j < scripts.Length(); j++) {
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if (scripts.At(j) == script.ptr()) {
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return true;
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}
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}
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return false;
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}
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void SourceReport::PrintCallSitesData(JSONObject* jsobj,
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const Function& function,
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const Code& code) {
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ASSERT(!code.IsNull());
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const TokenPosition& begin_pos = function.token_pos();
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const TokenPosition& end_pos = function.end_token_pos();
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ZoneGrowableArray<const ICData*>* ic_data_array =
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new (zone()) ZoneGrowableArray<const ICData*>();
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function.RestoreICDataMap(ic_data_array, false /* clone ic-data */);
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const PcDescriptors& descriptors =
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PcDescriptors::Handle(zone(), code.pc_descriptors());
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JSONArray sites(jsobj, "callSites");
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PcDescriptors::Iterator iter(
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descriptors,
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UntaggedPcDescriptors::kIcCall | UntaggedPcDescriptors::kUnoptStaticCall);
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while (iter.MoveNext()) {
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HANDLESCOPE(thread());
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ASSERT(iter.DeoptId() < ic_data_array->length());
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const ICData* ic_data = (*ic_data_array)[iter.DeoptId()];
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if (ic_data != NULL) {
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const TokenPosition& token_pos = iter.TokenPos();
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if (!token_pos.IsWithin(begin_pos, end_pos)) {
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// Does not correspond to a valid source position.
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continue;
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}
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ic_data->PrintToJSONArray(sites, token_pos);
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}
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}
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}
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intptr_t SourceReport::GetTokenPosOrLine(const Script& script,
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const TokenPosition& token_pos) {
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if (!report_lines_) {
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return token_pos.Pos();
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}
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intptr_t line = -1;
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const bool found = script.GetTokenLocation(token_pos, &line);
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ASSERT(found);
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return line;
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}
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bool SourceReport::ShouldCoverageSkipCallSite(const ICData* ic_data) {
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if (ic_data == NULL) return true;
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if (!ic_data->is_static_call()) return false;
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Function& func = Function::Handle(ic_data->GetTargetAt(0));
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// Ignore calls to the LateError functions. These are used to throw errors to
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// do with late variables. These errors shouldn't be hit in working code, so
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// shouldn't count against the coverage total.
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// See https://github.com/dart-lang/coverage/issues/341
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if (late_error_class_id_ == ClassId::kIllegalCid) {
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const Class& lateErrorClass =
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Class::Handle(Library::LookupCoreClass(Symbols::LateError()));
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late_error_class_id_ = lateErrorClass.id();
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}
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Class& cls = Class::Handle(func.Owner());
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if (late_error_class_id_ == cls.id()) {
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return true;
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}
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return false;
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}
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void SourceReport::PrintCoverageData(JSONObject* jsobj,
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const Function& function,
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const Code& code,
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bool report_branch_coverage) {
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ASSERT(!code.IsNull());
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const TokenPosition& begin_pos = function.token_pos();
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const TokenPosition& end_pos = function.end_token_pos();
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ZoneGrowableArray<const ICData*>* ic_data_array =
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new (zone()) ZoneGrowableArray<const ICData*>();
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function.RestoreICDataMap(ic_data_array, false /* clone ic-data */);
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const PcDescriptors& descriptors =
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PcDescriptors::Handle(zone(), code.pc_descriptors());
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const Script& script = Script::Handle(zone(), function.script());
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const int kCoverageNone = 0;
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const int kCoverageMiss = 1;
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const int kCoverageHit = 2;
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intptr_t func_length = function.SourceSize() + 1;
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GrowableArray<char> coverage(func_length);
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coverage.SetLength(func_length);
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for (int i = 0; i < func_length; i++) {
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coverage[i] = kCoverageNone;
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}
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if (function.WasExecuted()) {
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coverage[0] = kCoverageHit;
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} else {
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coverage[0] = kCoverageMiss;
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}
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auto update_coverage = [&](TokenPosition token_pos, bool was_executed) {
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if (!token_pos.IsWithin(begin_pos, end_pos)) {
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return;
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}
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const intptr_t token_offset = token_pos.Pos() - begin_pos.Pos();
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if (was_executed) {
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coverage[token_offset] = kCoverageHit;
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} else {
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if (coverage[token_offset] == kCoverageNone) {
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coverage[token_offset] = kCoverageMiss;
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}
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}
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};
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if (!report_branch_coverage) {
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PcDescriptors::Iterator iter(descriptors,
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UntaggedPcDescriptors::kIcCall |
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UntaggedPcDescriptors::kUnoptStaticCall);
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while (iter.MoveNext()) {
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HANDLESCOPE(thread());
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ASSERT(iter.DeoptId() < ic_data_array->length());
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const ICData* ic_data = (*ic_data_array)[iter.DeoptId()];
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if (!ShouldCoverageSkipCallSite(ic_data)) {
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const TokenPosition& token_pos = iter.TokenPos();
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update_coverage(token_pos, ic_data->AggregateCount() > 0);
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}
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}
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}
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// Merge the coverage from coverage_array attached to the function.
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const Array& coverage_array = Array::Handle(function.GetCoverageArray());
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if (!coverage_array.IsNull()) {
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for (intptr_t i = 0; i < coverage_array.Length(); i += 2) {
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bool is_branch_coverage;
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const TokenPosition token_pos = TokenPosition::DecodeCoveragePosition(
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Smi::Value(Smi::RawCast(coverage_array.At(i))), &is_branch_coverage);
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if (is_branch_coverage == report_branch_coverage) {
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const bool was_executed =
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Smi::Value(Smi::RawCast(coverage_array.At(i + 1))) != 0;
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update_coverage(token_pos, was_executed);
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}
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}
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}
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JSONObject cov(jsobj, report_branch_coverage ? "branchCoverage" : "coverage");
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{
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JSONArray hits(&cov, "hits");
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TokenPosition pos = begin_pos;
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for (int i = 0; i < func_length; i++) {
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if (coverage[i] == kCoverageHit) {
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// Add the token position or line number of the hit.
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hits.AddValue(GetTokenPosOrLine(script, pos));
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}
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pos = pos.Next();
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}
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}
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{
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JSONArray misses(&cov, "misses");
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TokenPosition pos = begin_pos;
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for (int i = 0; i < func_length; i++) {
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if (coverage[i] == kCoverageMiss) {
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// Add the token position or line number of the miss.
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misses.AddValue(GetTokenPosOrLine(script, pos));
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}
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pos = pos.Next();
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}
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}
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}
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void SourceReport::PrintPossibleBreakpointsData(JSONObject* jsobj,
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const Function& func,
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const Code& code) {
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const TokenPosition& begin_pos = func.token_pos();
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const TokenPosition& end_pos = func.end_token_pos();
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intptr_t func_length = func.SourceSize() + 1;
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BitVector possible(zone(), func_length);
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ASSERT(!code.IsNull());
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const uint8_t kSafepointKind = (UntaggedPcDescriptors::kIcCall |
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UntaggedPcDescriptors::kUnoptStaticCall |
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UntaggedPcDescriptors::kRuntimeCall);
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const PcDescriptors& descriptors =
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PcDescriptors::Handle(zone(), code.pc_descriptors());
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const Script& script = Script::Handle(zone(), func.script());
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PcDescriptors::Iterator iter(descriptors, kSafepointKind);
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while (iter.MoveNext()) {
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const TokenPosition& token_pos = iter.TokenPos();
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if (!token_pos.IsWithin(begin_pos, end_pos)) {
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// Does not correspond to a valid source position.
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continue;
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}
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intptr_t token_offset = token_pos.Pos() - begin_pos.Pos();
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possible.Add(token_offset);
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}
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JSONArray bpts(jsobj, "possibleBreakpoints");
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TokenPosition pos = begin_pos;
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for (int i = 0; i < func_length; i++) {
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if (possible.Contains(i)) {
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// Add the token position or line number.
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bpts.AddValue(GetTokenPosOrLine(script, pos));
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}
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pos = pos.Next();
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}
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}
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void SourceReport::PrintProfileData(JSONObject* jsobj,
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ProfileFunction* profile_function) {
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ASSERT(profile_function != NULL);
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ASSERT(profile_function->NumSourcePositions() > 0);
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{
|
|
JSONObject profile(jsobj, "profile");
|
|
|
|
{
|
|
JSONObject profileData(&profile, "metadata");
|
|
profileData.AddProperty("sampleCount", profile_.sample_count());
|
|
}
|
|
|
|
// Positions.
|
|
{
|
|
JSONArray positions(&profile, "positions");
|
|
for (intptr_t i = 0; i < profile_function->NumSourcePositions(); i++) {
|
|
const ProfileFunctionSourcePosition& position =
|
|
profile_function->GetSourcePosition(i);
|
|
if (position.token_pos().IsReal()) {
|
|
// Add as an integer.
|
|
positions.AddValue(position.token_pos().Pos());
|
|
} else {
|
|
// Add as a string.
|
|
positions.AddValue(position.token_pos().ToCString());
|
|
}
|
|
}
|
|
}
|
|
|
|
// Exclusive ticks.
|
|
{
|
|
JSONArray exclusiveTicks(&profile, "exclusiveTicks");
|
|
for (intptr_t i = 0; i < profile_function->NumSourcePositions(); i++) {
|
|
const ProfileFunctionSourcePosition& position =
|
|
profile_function->GetSourcePosition(i);
|
|
exclusiveTicks.AddValue(position.exclusive_ticks());
|
|
}
|
|
}
|
|
// Inclusive ticks.
|
|
{
|
|
JSONArray inclusiveTicks(&profile, "inclusiveTicks");
|
|
for (intptr_t i = 0; i < profile_function->NumSourcePositions(); i++) {
|
|
const ProfileFunctionSourcePosition& position =
|
|
profile_function->GetSourcePosition(i);
|
|
inclusiveTicks.AddValue(position.inclusive_ticks());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SourceReport::PrintScriptTable(JSONArray* scripts) {
|
|
for (intptr_t i = 0; i < script_table_entries_.length(); i++) {
|
|
const Script* script = script_table_entries_[i]->script;
|
|
scripts->AddValue(*script);
|
|
}
|
|
}
|
|
|
|
void SourceReport::VisitFunction(JSONArray* jsarr, const Function& func) {
|
|
if (ShouldSkipFunction(func)) {
|
|
return;
|
|
}
|
|
|
|
const Script& script = Script::Handle(zone(), func.script());
|
|
const TokenPosition begin_pos = func.token_pos();
|
|
const TokenPosition end_pos = func.end_token_pos();
|
|
|
|
const intptr_t script_index = GetScriptIndex(script);
|
|
if (script_index < 0) {
|
|
return;
|
|
}
|
|
|
|
Code& code = Code::Handle(zone(), func.unoptimized_code());
|
|
if (code.IsNull()) {
|
|
if (func.HasCode() || (compile_mode_ == kForceCompile)) {
|
|
const Error& err =
|
|
Error::Handle(Compiler::EnsureUnoptimizedCode(thread(), func));
|
|
if (!err.IsNull()) {
|
|
// Emit an uncompiled range for this function with error information.
|
|
JSONObject range(jsarr);
|
|
range.AddProperty("scriptIndex", script_index);
|
|
range.AddProperty("startPos", begin_pos);
|
|
range.AddProperty("endPos", end_pos);
|
|
range.AddProperty("compiled", false);
|
|
range.AddProperty("error", err);
|
|
return;
|
|
}
|
|
code = func.unoptimized_code();
|
|
} else {
|
|
// This function has not been compiled yet.
|
|
JSONObject range(jsarr);
|
|
range.AddProperty("scriptIndex", script_index);
|
|
range.AddProperty("startPos", begin_pos);
|
|
range.AddProperty("endPos", end_pos);
|
|
range.AddProperty("compiled", false);
|
|
return;
|
|
}
|
|
}
|
|
ASSERT(!code.IsNull());
|
|
|
|
JSONObject range(jsarr);
|
|
range.AddProperty("scriptIndex", script_index);
|
|
range.AddProperty("startPos", begin_pos);
|
|
range.AddProperty("endPos", end_pos);
|
|
range.AddProperty("compiled", true);
|
|
|
|
if (IsReportRequested(kCallSites)) {
|
|
PrintCallSitesData(&range, func, code);
|
|
}
|
|
if (IsReportRequested(kCoverage)) {
|
|
PrintCoverageData(&range, func, code, /* report_branch_coverage */ false);
|
|
}
|
|
if (IsReportRequested(kBranchCoverage)) {
|
|
PrintCoverageData(&range, func, code, /* report_branch_coverage */ true);
|
|
}
|
|
if (IsReportRequested(kPossibleBreakpoints)) {
|
|
PrintPossibleBreakpointsData(&range, func, code);
|
|
}
|
|
if (IsReportRequested(kProfile)) {
|
|
ProfileFunction* profile_function = profile_.FindFunction(func);
|
|
if ((profile_function != NULL) &&
|
|
(profile_function->NumSourcePositions() > 0)) {
|
|
PrintProfileData(&range, profile_function);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SourceReport::VisitField(JSONArray* jsarr, const Field& field) {
|
|
if (ShouldSkipField(field) || !field.HasInitializerFunction()) return;
|
|
const Function& func = Function::Handle(field.InitializerFunction());
|
|
VisitFunction(jsarr, func);
|
|
}
|
|
|
|
void SourceReport::VisitLibrary(JSONArray* jsarr, const Library& lib) {
|
|
Class& cls = Class::Handle(zone());
|
|
Array& functions = Array::Handle(zone());
|
|
Array& fields = Array::Handle(zone());
|
|
Function& func = Function::Handle(zone());
|
|
Field& field = Field::Handle(zone());
|
|
Script& script = Script::Handle(zone());
|
|
ClassDictionaryIterator it(lib, ClassDictionaryIterator::kIteratePrivate);
|
|
while (it.HasNext()) {
|
|
cls = it.GetNextClass();
|
|
if (!cls.is_finalized()) {
|
|
if (compile_mode_ == kForceCompile) {
|
|
Error& err = Error::Handle(cls.EnsureIsFinalized(thread()));
|
|
if (!err.IsNull()) {
|
|
// Emit an uncompiled range for this class with error information.
|
|
script = cls.script();
|
|
const intptr_t script_index = GetScriptIndex(script);
|
|
if (script_index < 0) {
|
|
continue;
|
|
}
|
|
JSONObject range(jsarr);
|
|
range.AddProperty("scriptIndex", script_index);
|
|
range.AddProperty("startPos", cls.token_pos());
|
|
range.AddProperty("endPos", cls.end_token_pos());
|
|
range.AddProperty("compiled", false);
|
|
range.AddProperty("error", err);
|
|
continue;
|
|
}
|
|
ASSERT(cls.is_finalized());
|
|
} else {
|
|
cls.EnsureDeclarationLoaded();
|
|
// Emit one range for the whole uncompiled class.
|
|
script = cls.script();
|
|
const intptr_t script_index = GetScriptIndex(script);
|
|
if (script_index < 0) {
|
|
continue;
|
|
}
|
|
JSONObject range(jsarr);
|
|
range.AddProperty("scriptIndex", script_index);
|
|
range.AddProperty("startPos", cls.token_pos());
|
|
range.AddProperty("endPos", cls.end_token_pos());
|
|
range.AddProperty("compiled", false);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
functions = cls.current_functions();
|
|
for (int i = 0; i < functions.Length(); i++) {
|
|
func ^= functions.At(i);
|
|
// Skip getter functions of static const field.
|
|
if (func.kind() == UntaggedFunction::kImplicitStaticGetter) {
|
|
field ^= func.accessor_field();
|
|
if (field.is_const() && field.is_static()) {
|
|
continue;
|
|
}
|
|
}
|
|
VisitFunction(jsarr, func);
|
|
}
|
|
|
|
fields = cls.fields();
|
|
for (intptr_t i = 0; i < fields.Length(); i++) {
|
|
field ^= fields.At(i);
|
|
VisitField(jsarr, field);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SourceReport::VisitClosures(JSONArray* jsarr) {
|
|
ClosureFunctionsCache::ForAllClosureFunctions([&](const Function& func) {
|
|
VisitFunction(jsarr, func);
|
|
return true; // Continue iteration.
|
|
});
|
|
}
|
|
|
|
bool SourceReport::LibraryMatchesFilters(const Library& lib) {
|
|
const String& url = String::Handle(zone(), lib.url());
|
|
String& filter = String::Handle(zone());
|
|
const intptr_t num_filters = library_filters_.Length();
|
|
for (intptr_t i = 0; i < num_filters; ++i) {
|
|
filter ^= library_filters_.At(i);
|
|
if (url.StartsWith(filter)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void SourceReport::PrintJSON(JSONStream* js,
|
|
const Script& script,
|
|
TokenPosition start_pos,
|
|
TokenPosition end_pos) {
|
|
Init(Thread::Current(), &script, start_pos, end_pos);
|
|
|
|
JSONObject report(js);
|
|
report.AddProperty("type", "SourceReport");
|
|
{
|
|
JSONArray ranges(&report, "ranges");
|
|
|
|
const GrowableObjectArray& libs = GrowableObjectArray::Handle(
|
|
zone(), thread()->isolate_group()->object_store()->libraries());
|
|
|
|
Library& lib = Library::Handle(zone());
|
|
if (!library_filters_.IsNull()) {
|
|
// If we have library filters, pre-fill GetScriptIndex with all the
|
|
// scripts from the libraries that pass the filters. Later calls to
|
|
// GetScriptIndex will ignore any scripts that are missing.
|
|
for (intptr_t i = 0; i < libs.Length(); i++) {
|
|
lib ^= libs.At(i);
|
|
if (LibraryMatchesFilters(lib)) {
|
|
Script& script = Script::Handle(zone());
|
|
const Array& scripts = Array::Handle(zone(), lib.LoadedScripts());
|
|
for (intptr_t j = 0; j < scripts.Length(); j++) {
|
|
script ^= scripts.At(j);
|
|
GetScriptIndex(script, true /* bypass_filters */);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// We only visit the libraries which actually load the specified script.
|
|
for (intptr_t i = 0; i < libs.Length(); i++) {
|
|
lib ^= libs.At(i);
|
|
if (script.IsNull() || ScriptIsLoadedByLibrary(script, lib)) {
|
|
VisitLibrary(&ranges, lib);
|
|
}
|
|
}
|
|
|
|
// Visit all closures for this isolate.
|
|
VisitClosures(&ranges);
|
|
|
|
// Output constant coverage if coverage is requested.
|
|
if (IsReportRequested(kCoverage)) {
|
|
// Find all scripts. We need to go though all scripts because a script
|
|
// (even one we don't want) can add coverage to another library (i.e.
|
|
// potentially one we want).
|
|
DirectChainedHashMap<ScriptTableTrait> local_script_table;
|
|
GrowableArray<ScriptTableEntry*> local_script_table_entries;
|
|
CollectAllScripts(&local_script_table, &local_script_table_entries);
|
|
CollectConstConstructorCoverageFromScripts(&local_script_table_entries,
|
|
&ranges);
|
|
CleanupCollectedScripts(&local_script_table, &local_script_table_entries);
|
|
}
|
|
}
|
|
|
|
// Print the script table.
|
|
JSONArray scripts(&report, "scripts");
|
|
PrintScriptTable(&scripts);
|
|
}
|
|
|
|
void SourceReport::CollectAllScripts(
|
|
DirectChainedHashMap<ScriptTableTrait>* local_script_table,
|
|
GrowableArray<ScriptTableEntry*>* local_script_table_entries) {
|
|
ScriptTableEntry wrapper;
|
|
const GrowableObjectArray& libs = GrowableObjectArray::Handle(
|
|
zone(), thread()->isolate_group()->object_store()->libraries());
|
|
Library& lib = Library::Handle(zone());
|
|
Script& scriptRef = Script::Handle(zone());
|
|
for (int i = 0; i < libs.Length(); i++) {
|
|
lib ^= libs.At(i);
|
|
const Array& scripts = Array::Handle(zone(), lib.LoadedScripts());
|
|
for (intptr_t j = 0; j < scripts.Length(); j++) {
|
|
scriptRef ^= scripts.At(j);
|
|
const String& url = String::Handle(zone(), scriptRef.url());
|
|
wrapper.key = &url;
|
|
wrapper.script = &Script::Handle(zone(), scriptRef.ptr());
|
|
ScriptTableEntry* pair = local_script_table->LookupValue(&wrapper);
|
|
if (pair != NULL) {
|
|
// Existing one.
|
|
continue;
|
|
}
|
|
// New one. Insert.
|
|
ScriptTableEntry* tmp = new ScriptTableEntry();
|
|
tmp->key = &url;
|
|
tmp->index = next_script_index_++;
|
|
tmp->script = wrapper.script;
|
|
local_script_table_entries->Add(tmp);
|
|
local_script_table->Insert(tmp);
|
|
}
|
|
}
|
|
}
|
|
|
|
void SourceReport::CleanupCollectedScripts(
|
|
DirectChainedHashMap<ScriptTableTrait>* local_script_table,
|
|
GrowableArray<ScriptTableEntry*>* local_script_table_entries) {
|
|
for (intptr_t i = 0; i < local_script_table_entries->length(); i++) {
|
|
delete local_script_table_entries->operator[](i);
|
|
local_script_table_entries->operator[](i) = NULL;
|
|
}
|
|
local_script_table_entries->Clear();
|
|
local_script_table->Clear();
|
|
}
|
|
|
|
void SourceReport::CollectConstConstructorCoverageFromScripts(
|
|
GrowableArray<ScriptTableEntry*>* local_script_table_entries,
|
|
JSONArray* ranges) {
|
|
// Now output the wanted constant coverage.
|
|
for (intptr_t i = 0; i < local_script_table_entries->length(); i++) {
|
|
const Script* script = local_script_table_entries->At(i)->script;
|
|
|
|
// Whether we want *this* script or not we need to look at the constant
|
|
// constructor coverage. Any of those could be in a script we *do* want.
|
|
{
|
|
Script& scriptRef = Script::Handle(zone());
|
|
const Array& constructors =
|
|
Array::Handle(kernel::CollectConstConstructorCoverageFrom(*script));
|
|
intptr_t constructors_count = constructors.Length();
|
|
Function& constructor = Function::Handle(zone());
|
|
Code& code = Code::Handle(zone());
|
|
for (intptr_t i = 0; i < constructors_count; i++) {
|
|
constructor ^= constructors.At(i);
|
|
// Check if we want coverage for this constructor.
|
|
if (ShouldSkipFunction(constructor)) {
|
|
continue;
|
|
}
|
|
scriptRef ^= constructor.script();
|
|
const intptr_t script_index = GetScriptIndex(scriptRef);
|
|
if (script_index < 0) {
|
|
continue;
|
|
}
|
|
code ^= constructor.unoptimized_code();
|
|
const TokenPosition begin_pos = constructor.token_pos();
|
|
const TokenPosition end_pos = constructor.end_token_pos();
|
|
JSONObject range(ranges);
|
|
range.AddProperty("scriptIndex", script_index);
|
|
range.AddProperty("compiled",
|
|
!code.IsNull()); // Does this make a difference?
|
|
range.AddProperty("startPos", begin_pos);
|
|
range.AddProperty("endPos", end_pos);
|
|
|
|
JSONObject cov(&range, "coverage");
|
|
{
|
|
JSONArray hits(&cov, "hits");
|
|
hits.AddValue(GetTokenPosOrLine(scriptRef, begin_pos));
|
|
}
|
|
{
|
|
JSONArray misses(&cov, "misses");
|
|
// No misses
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace dart
|
|
#endif // !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME)
|