| // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| #include "vm/globals.h" |
| #if !defined(PRODUCT) && !defined(DART_PRECOMPILED_RUNTIME) |
| #include "vm/source_report.h" |
| |
| #include "vm/bit_vector.h" |
| #include "vm/closure_functions_cache.h" |
| #include "vm/compiler/jit/compiler.h" |
| #include "vm/isolate.h" |
| #include "vm/kernel_loader.h" |
| #include "vm/object.h" |
| #include "vm/object_store.h" |
| #include "vm/profiler.h" |
| #include "vm/profiler_service.h" |
| |
| namespace dart { |
| |
| const char* SourceReport::kCallSitesStr = "_CallSites"; |
| const char* SourceReport::kCoverageStr = "Coverage"; |
| const char* SourceReport::kPossibleBreakpointsStr = "PossibleBreakpoints"; |
| const char* SourceReport::kProfileStr = "_Profile"; |
| const char* SourceReport::kBranchCoverageStr = "BranchCoverage"; |
| |
| SourceReport::SourceReport(intptr_t report_set, |
| CompileMode compile_mode, |
| bool report_lines) |
| : report_set_(report_set), |
| compile_mode_(compile_mode), |
| report_lines_(report_lines), |
| thread_(NULL), |
| script_(NULL), |
| start_pos_(TokenPosition::kMinSource), |
| end_pos_(TokenPosition::kMaxSource), |
| next_script_index_(0) {} |
| |
| SourceReport::~SourceReport() { |
| ClearScriptTable(); |
| } |
| |
| void SourceReport::ClearScriptTable() { |
| for (intptr_t i = 0; i < script_table_entries_.length(); i++) { |
| delete script_table_entries_[i]; |
| script_table_entries_[i] = NULL; |
| } |
| script_table_entries_.Clear(); |
| script_table_.Clear(); |
| next_script_index_ = 0; |
| } |
| |
| void SourceReport::Init(Thread* thread, |
| const Script* script, |
| TokenPosition start_pos, |
| TokenPosition end_pos) { |
| thread_ = thread; |
| script_ = script; |
| start_pos_ = TokenPosition::Max(start_pos, TokenPosition::kMinSource); |
| end_pos_ = TokenPosition::Min(end_pos, TokenPosition::kMaxSource); |
| ClearScriptTable(); |
| if (IsReportRequested(kProfile)) { |
| // Build the profile. |
| SampleFilter samplesForIsolate(thread_->isolate()->main_port(), |
| Thread::kMutatorTask, -1, -1); |
| profile_.Build(thread, &samplesForIsolate, Profiler::sample_block_buffer()); |
| } |
| } |
| |
| bool SourceReport::IsReportRequested(ReportKind report_kind) { |
| return (report_set_ & report_kind) != 0; |
| } |
| |
| bool SourceReport::ShouldSkipFunction(const Function& func) { |
| // TODO(32315): Verify that the check is still needed after the issue is |
| // resolved. |
| if (!func.token_pos().IsReal() || !func.end_token_pos().IsReal()) { |
| // At least one of the token positions is not known. |
| return true; |
| } |
| |
| if (script_ != NULL && !script_->IsNull()) { |
| if (func.script() != script_->ptr()) { |
| // The function is from the wrong script. |
| return true; |
| } |
| if ((func.end_token_pos() < start_pos_) || (func.token_pos() > end_pos_)) { |
| // The function does not intersect with the requested token range. |
| return true; |
| } |
| } |
| |
| // These don't have unoptimized code and are only used for synthetic stubs. |
| if (func.ForceOptimize()) return true; |
| |
| switch (func.kind()) { |
| case UntaggedFunction::kRegularFunction: |
| case UntaggedFunction::kClosureFunction: |
| case UntaggedFunction::kImplicitClosureFunction: |
| case UntaggedFunction::kImplicitStaticGetter: |
| case UntaggedFunction::kFieldInitializer: |
| case UntaggedFunction::kGetterFunction: |
| case UntaggedFunction::kSetterFunction: |
| case UntaggedFunction::kConstructor: |
| break; |
| default: |
| return true; |
| } |
| if (func.is_abstract() || func.IsImplicitConstructor() || |
| func.is_synthetic() || func.is_redirecting_factory()) { |
| return true; |
| } |
| if (func.IsNonImplicitClosureFunction() && |
| (func.context_scope() == ContextScope::null())) { |
| // TODO(iposva): This can arise if we attempt to compile an inner function |
| // before we have compiled its enclosing function or if the enclosing |
| // function failed to compile. |
| return true; |
| } |
| |
| // There is an idiom where static utility classes are given a private |
| // constructor to prevent the the class from being instantiated. Ignore these |
| // constructors so that they don't lower the coverage rate. See #47021. |
| SafepointReadRwLocker ml(thread_, thread_->isolate_group()->program_lock()); |
| if (func.kind() == UntaggedFunction::kConstructor && |
| func.NumParameters() == func.NumImplicitParameters() && |
| func.IsPrivate()) { |
| // Check that the class has no non-static members and no subclasses. |
| Class& cls = Class::Handle(func.Owner()); |
| GrowableObjectArray& subclasses = |
| GrowableObjectArray::Handle(cls.direct_subclasses()); |
| if (cls.is_abstract() && !cls.HasInstanceFields() && |
| (subclasses.IsNull() || subclasses.Length() == 0)) { |
| // Check that the constructor is the only non-static function. |
| Array& clsFuncs = Array::Handle(cls.functions()); |
| Function& otherFunc = Function::Handle(); |
| intptr_t numNonStaticFunctions = 0; |
| for (intptr_t i = 0; i < clsFuncs.Length(); ++i) { |
| otherFunc ^= clsFuncs.At(i); |
| if (!otherFunc.IsStaticFunction()) { |
| ++numNonStaticFunctions; |
| } |
| } |
| if (numNonStaticFunctions == 1) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| bool SourceReport::ShouldSkipField(const Field& field) { |
| if (!field.token_pos().IsReal() || !field.end_token_pos().IsReal()) { |
| // At least one of the token positions is not known. |
| return true; |
| } |
| |
| if (script_ != NULL && !script_->IsNull()) { |
| if (field.Script() != script_->ptr()) { |
| // The field is from the wrong script. |
| return true; |
| } |
| if ((field.end_token_pos() < start_pos_) || |
| (field.token_pos() > end_pos_)) { |
| // The field does not intersect with the requested token range. |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| intptr_t SourceReport::GetScriptIndex(const Script& script) { |
| ScriptTableEntry wrapper; |
| const String& url = String::Handle(zone(), script.url()); |
| wrapper.key = &url; |
| wrapper.script = &Script::Handle(zone(), script.ptr()); |
| ScriptTableEntry* pair = script_table_.LookupValue(&wrapper); |
| if (pair != NULL) { |
| return pair->index; |
| } |
| ScriptTableEntry* tmp = new ScriptTableEntry(); |
| tmp->key = &url; |
| tmp->index = next_script_index_++; |
| tmp->script = wrapper.script; |
| script_table_entries_.Add(tmp); |
| script_table_.Insert(tmp); |
| ASSERT(script_table_entries_.length() == next_script_index_); |
| #if defined(DEBUG) |
| VerifyScriptTable(); |
| #endif |
| return tmp->index; |
| } |
| |
| #if defined(DEBUG) |
| void SourceReport::VerifyScriptTable() { |
| for (intptr_t i = 0; i < script_table_entries_.length(); i++) { |
| const String* url = script_table_entries_[i]->key; |
| const Script* script = script_table_entries_[i]->script; |
| intptr_t index = script_table_entries_[i]->index; |
| ASSERT(i == index); |
| const String& url2 = String::Handle(zone(), script->url()); |
| ASSERT(url2.Equals(*url)); |
| ScriptTableEntry wrapper; |
| wrapper.key = &url2; |
| wrapper.script = &Script::Handle(zone(), script->ptr()); |
| ScriptTableEntry* pair = script_table_.LookupValue(&wrapper); |
| ASSERT(i == pair->index); |
| } |
| } |
| #endif |
| |
| bool SourceReport::ScriptIsLoadedByLibrary(const Script& script, |
| const Library& lib) { |
| const Array& scripts = Array::Handle(zone(), lib.LoadedScripts()); |
| for (intptr_t j = 0; j < scripts.Length(); j++) { |
| if (scripts.At(j) == script.ptr()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void SourceReport::PrintCallSitesData(JSONObject* jsobj, |
| const Function& function, |
| const Code& code) { |
| ASSERT(!code.IsNull()); |
| const TokenPosition& begin_pos = function.token_pos(); |
| const TokenPosition& end_pos = function.end_token_pos(); |
| ZoneGrowableArray<const ICData*>* ic_data_array = |
| new (zone()) ZoneGrowableArray<const ICData*>(); |
| function.RestoreICDataMap(ic_data_array, false /* clone ic-data */); |
| const PcDescriptors& descriptors = |
| PcDescriptors::Handle(zone(), code.pc_descriptors()); |
| |
| JSONArray sites(jsobj, "callSites"); |
| |
| PcDescriptors::Iterator iter( |
| descriptors, |
| UntaggedPcDescriptors::kIcCall | UntaggedPcDescriptors::kUnoptStaticCall); |
| while (iter.MoveNext()) { |
| HANDLESCOPE(thread()); |
| ASSERT(iter.DeoptId() < ic_data_array->length()); |
| const ICData* ic_data = (*ic_data_array)[iter.DeoptId()]; |
| if (ic_data != NULL) { |
| const TokenPosition& token_pos = iter.TokenPos(); |
| if (!token_pos.IsWithin(begin_pos, end_pos)) { |
| // Does not correspond to a valid source position. |
| continue; |
| } |
| ic_data->PrintToJSONArray(sites, token_pos); |
| } |
| } |
| } |
| |
| intptr_t SourceReport::GetTokenPosOrLine(const Script& script, |
| const TokenPosition& token_pos) { |
| if (!report_lines_) { |
| return token_pos.Pos(); |
| } |
| intptr_t line = -1; |
| const bool found = script.GetTokenLocation(token_pos, &line); |
| ASSERT(found); |
| return line; |
| } |
| |
| bool SourceReport::ShouldCoverageSkipCallSite(const ICData* ic_data) { |
| if (ic_data == NULL) return true; |
| if (!ic_data->is_static_call()) return false; |
| Function& func = Function::Handle(ic_data->GetTargetAt(0)); |
| |
| // Ignore calls to the LateError functions. These are used to throw errors to |
| // do with late variables. These errors shouldn't be hit in working code, so |
| // shouldn't count against the coverage total. |
| // See https://github.com/dart-lang/coverage/issues/341 |
| if (late_error_class_id_ == ClassId::kIllegalCid) { |
| const Class& lateErrorClass = |
| Class::Handle(Library::LookupCoreClass(Symbols::LateError())); |
| late_error_class_id_ = lateErrorClass.id(); |
| } |
| Class& cls = Class::Handle(func.Owner()); |
| if (late_error_class_id_ == cls.id()) { |
| return true; |
| } |
| return false; |
| } |
| |
| void SourceReport::PrintCoverageData(JSONObject* jsobj, |
| const Function& function, |
| const Code& code, |
| bool report_branch_coverage) { |
| ASSERT(!code.IsNull()); |
| const TokenPosition& begin_pos = function.token_pos(); |
| const TokenPosition& end_pos = function.end_token_pos(); |
| |
| ZoneGrowableArray<const ICData*>* ic_data_array = |
| new (zone()) ZoneGrowableArray<const ICData*>(); |
| function.RestoreICDataMap(ic_data_array, false /* clone ic-data */); |
| const PcDescriptors& descriptors = |
| PcDescriptors::Handle(zone(), code.pc_descriptors()); |
| const Script& script = Script::Handle(zone(), function.script()); |
| |
| const int kCoverageNone = 0; |
| const int kCoverageMiss = 1; |
| const int kCoverageHit = 2; |
| |
| intptr_t func_length = function.SourceSize() + 1; |
| GrowableArray<char> coverage(func_length); |
| coverage.SetLength(func_length); |
| for (int i = 0; i < func_length; i++) { |
| coverage[i] = kCoverageNone; |
| } |
| |
| if (function.WasExecuted()) { |
| coverage[0] = kCoverageHit; |
| } else { |
| coverage[0] = kCoverageMiss; |
| } |
| |
| auto update_coverage = [&](TokenPosition token_pos, bool was_executed) { |
| if (!token_pos.IsWithin(begin_pos, end_pos)) { |
| return; |
| } |
| |
| const intptr_t token_offset = token_pos.Pos() - begin_pos.Pos(); |
| if (was_executed) { |
| coverage[token_offset] = kCoverageHit; |
| } else { |
| if (coverage[token_offset] == kCoverageNone) { |
| coverage[token_offset] = kCoverageMiss; |
| } |
| } |
| }; |
| |
| if (!report_branch_coverage) { |
| PcDescriptors::Iterator iter(descriptors, |
| UntaggedPcDescriptors::kIcCall | |
| UntaggedPcDescriptors::kUnoptStaticCall); |
| while (iter.MoveNext()) { |
| HANDLESCOPE(thread()); |
| ASSERT(iter.DeoptId() < ic_data_array->length()); |
| const ICData* ic_data = (*ic_data_array)[iter.DeoptId()]; |
| if (!ShouldCoverageSkipCallSite(ic_data)) { |
| const TokenPosition& token_pos = iter.TokenPos(); |
| update_coverage(token_pos, ic_data->AggregateCount() > 0); |
| } |
| } |
| } |
| |
| // Merge the coverage from coverage_array attached to the function. |
| const Array& coverage_array = Array::Handle(function.GetCoverageArray()); |
| if (!coverage_array.IsNull()) { |
| for (intptr_t i = 0; i < coverage_array.Length(); i += 2) { |
| bool is_branch_coverage; |
| const TokenPosition token_pos = TokenPosition::DecodeCoveragePosition( |
| Smi::Value(Smi::RawCast(coverage_array.At(i))), &is_branch_coverage); |
| if (is_branch_coverage == report_branch_coverage) { |
| const bool was_executed = |
| Smi::Value(Smi::RawCast(coverage_array.At(i + 1))) != 0; |
| update_coverage(token_pos, was_executed); |
| } |
| } |
| } |
| |
| JSONObject cov(jsobj, report_branch_coverage ? "branchCoverage" : "coverage"); |
| { |
| JSONArray hits(&cov, "hits"); |
| TokenPosition pos = begin_pos; |
| for (int i = 0; i < func_length; i++) { |
| if (coverage[i] == kCoverageHit) { |
| // Add the token position or line number of the hit. |
| hits.AddValue(GetTokenPosOrLine(script, pos)); |
| } |
| pos = pos.Next(); |
| } |
| } |
| { |
| JSONArray misses(&cov, "misses"); |
| TokenPosition pos = begin_pos; |
| for (int i = 0; i < func_length; i++) { |
| if (coverage[i] == kCoverageMiss) { |
| // Add the token position or line number of the miss. |
| misses.AddValue(GetTokenPosOrLine(script, pos)); |
| } |
| pos = pos.Next(); |
| } |
| } |
| } |
| |
| void SourceReport::PrintPossibleBreakpointsData(JSONObject* jsobj, |
| const Function& func, |
| const Code& code) { |
| const TokenPosition& begin_pos = func.token_pos(); |
| const TokenPosition& end_pos = func.end_token_pos(); |
| intptr_t func_length = func.SourceSize() + 1; |
| |
| BitVector possible(zone(), func_length); |
| |
| ASSERT(!code.IsNull()); |
| |
| const uint8_t kSafepointKind = (UntaggedPcDescriptors::kIcCall | |
| UntaggedPcDescriptors::kUnoptStaticCall | |
| UntaggedPcDescriptors::kRuntimeCall); |
| |
| const PcDescriptors& descriptors = |
| PcDescriptors::Handle(zone(), code.pc_descriptors()); |
| const Script& script = Script::Handle(zone(), func.script()); |
| |
| PcDescriptors::Iterator iter(descriptors, kSafepointKind); |
| while (iter.MoveNext()) { |
| const TokenPosition& token_pos = iter.TokenPos(); |
| if (!token_pos.IsWithin(begin_pos, end_pos)) { |
| // Does not correspond to a valid source position. |
| continue; |
| } |
| intptr_t token_offset = token_pos.Pos() - begin_pos.Pos(); |
| possible.Add(token_offset); |
| } |
| |
| JSONArray bpts(jsobj, "possibleBreakpoints"); |
| TokenPosition pos = begin_pos; |
| for (int i = 0; i < func_length; i++) { |
| if (possible.Contains(i)) { |
| // Add the token position or line number. |
| bpts.AddValue(GetTokenPosOrLine(script, pos)); |
| } |
| pos = pos.Next(); |
| } |
| } |
| |
| void SourceReport::PrintProfileData(JSONObject* jsobj, |
| ProfileFunction* profile_function) { |
| ASSERT(profile_function != NULL); |
| ASSERT(profile_function->NumSourcePositions() > 0); |
| |
| { |
| 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(); |
| |
| 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", GetScriptIndex(script)); |
| 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", GetScriptIndex(script)); |
| range.AddProperty("startPos", begin_pos); |
| range.AddProperty("endPos", end_pos); |
| range.AddProperty("compiled", false); |
| return; |
| } |
| } |
| ASSERT(!code.IsNull()); |
| |
| // We skip compiled async functions. Once an async function has |
| // been compiled, there is another function with the same range which |
| // actually contains the user code. |
| if (!func.IsAsyncFunction() && !func.IsAsyncGenerator() && |
| !func.IsSyncGenerator()) { |
| JSONObject range(jsarr); |
| range.AddProperty("scriptIndex", GetScriptIndex(script)); |
| 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. |
| JSONObject range(jsarr); |
| script = cls.script(); |
| range.AddProperty("scriptIndex", GetScriptIndex(script)); |
| 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. |
| JSONObject range(jsarr); |
| script = cls.script(); |
| range.AddProperty("scriptIndex", GetScriptIndex(script)); |
| 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. |
| }); |
| } |
| |
| 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()); |
| |
| // We only visit the libraries which actually load the specified script. |
| Library& lib = Library::Handle(zone()); |
| for (int 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(); |
| 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", GetScriptIndex(scriptRef)); |
| 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) |
