iposva@google.com
52a736ee38
Review URL: https://codereview.chromium.org//23903034 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@27346 260f80e4-7a28-3924-810f-c04153c831b5
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
// Copyright (c) 2013, 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/coverage.h"
|
|
|
|
#include "vm/isolate.h"
|
|
#include "vm/json_stream.h"
|
|
#include "vm/object.h"
|
|
#include "vm/object_store.h"
|
|
|
|
namespace dart {
|
|
|
|
DEFINE_FLAG(bool, print_coverage, false, "Print code coverage.");
|
|
|
|
void CodeCoverage::PrintClass(const Class& cls, const JSONArray& jsarr) {
|
|
const Array& functions = Array::Handle(cls.functions());
|
|
ASSERT(!functions.IsNull());
|
|
Function& function = Function::Handle();
|
|
Code& code = Code::Handle();
|
|
Script& script = Script::Handle();
|
|
String& url = String::Handle();
|
|
String& name = String::Handle();
|
|
PcDescriptors& descriptors = PcDescriptors::Handle();
|
|
Array& ic_array = Array::Handle();
|
|
ICData& ic_data = ICData::Handle();
|
|
for (int i = 0; i < functions.Length(); i++) {
|
|
function ^= functions.At(i);
|
|
if (function.HasCode()) {
|
|
JSONObject jsobj(&jsarr);
|
|
|
|
script = function.script();
|
|
url = script.url();
|
|
name = function.QualifiedUserVisibleName();
|
|
jsobj.AddProperty("source", url.ToCString());
|
|
jsobj.AddProperty("function", name.ToCString());
|
|
|
|
code = function.unoptimized_code();
|
|
ic_array = code.ExtractTypeFeedbackArray();
|
|
descriptors = code.pc_descriptors();
|
|
|
|
JSONArray jsarr(&jsobj, "hits");
|
|
for (int j = 0; j < descriptors.Length(); j++) {
|
|
PcDescriptors::Kind kind = descriptors.DescriptorKind(j);
|
|
// Only IC based calls have counting.
|
|
if ((kind == PcDescriptors::kIcCall) ||
|
|
(kind == PcDescriptors::kUnoptStaticCall)) {
|
|
intptr_t deopt_id = descriptors.DeoptId(j);
|
|
ic_data ^= ic_array.At(deopt_id);
|
|
if (!ic_data.IsNull() && (ic_data.AggregateCount() > 0)) {
|
|
intptr_t token_pos = descriptors.TokenPos(j);
|
|
intptr_t line = -1;
|
|
intptr_t col = -1;
|
|
script.GetTokenLocation(token_pos, &line, &col);
|
|
JSONObject ic_info(&jsarr);
|
|
ic_info.AddProperty("line", line);
|
|
ic_info.AddProperty("col", col);
|
|
ic_info.AddProperty("count", ic_data.AggregateCount());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void CodeCoverage::Print(Isolate* isolate) {
|
|
JSONStream stream;
|
|
|
|
{
|
|
const GrowableObjectArray& libs = GrowableObjectArray::Handle(
|
|
isolate, isolate->object_store()->libraries());
|
|
Library& lib = Library::Handle();
|
|
Class& cls = Class::Handle();
|
|
JSONArray jsarr(&stream);
|
|
for (int i = 0; i < libs.Length(); i++) {
|
|
lib ^= libs.At(i);
|
|
ClassDictionaryIterator it(lib, ClassDictionaryIterator::kIteratePrivate);
|
|
while (it.HasNext()) {
|
|
cls = it.GetNextClass();
|
|
if (cls.is_finalized()) {
|
|
// Only classes that have been finalized do have a meaningful list of
|
|
// functions.
|
|
PrintClass(cls, jsarr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
OS::Print("### COVERAGE DATA ###\n"
|
|
"%s\n"
|
|
"### END ###\n", stream.ToCString());
|
|
}
|
|
|
|
} // namespace dart
|