vmservice: Add /coverage collection to scripts, classes and libraries.

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 0236cf1ad81de4925f30ac7712b3a716ccfaa955..604e9e5f69794cc740dd67716754ea333c51a63c 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -8307,6 +8307,54 @@ void Script::PrintJSONImpl(JSONStream* stream, bool ref) const {
 }
 
 
+RawLibrary* Script::FindLibrary() const {
+  Isolate* isolate = Isolate::Current();
+  const GrowableObjectArray& libs = GrowableObjectArray::Handle(
+      isolate, isolate->object_store()->libraries());
+  Library& lib = Library::Handle();
+  Script& script = Script::Handle();
+  for (intptr_t i = 0; i < libs.Length(); i++) {
+    lib ^= libs.At(i);
+    ASSERT(!lib.IsNull());
+    const Array& loaded_scripts = Array::Handle(lib.LoadedScripts());
+    ASSERT(!loaded_scripts.IsNull());
+    for (intptr_t j = 0; j < loaded_scripts.Length(); j++) {
+      script ^= loaded_scripts.At(j);
+      ASSERT(!script.IsNull());
+      if (script.raw() == raw()) {
+        return lib.raw();

[Ivan Posva, 2014/06/26 10:14:33]

How does this work for scripts that have been included in multiple libraries?

+      }
+    }
+  }
+  return Library::null();
+}
+
+
+RawScript* Script::FindByUrl(const String& url) {
+  Isolate* isolate = Isolate::Current();
+  const GrowableObjectArray& libs = GrowableObjectArray::Handle(
+      isolate, isolate->object_store()->libraries());
+  Library& lib = Library::Handle();
+  Script& script = Script::Handle();
+  String& script_url = String::Handle();
+  for (intptr_t i = 0; i < libs.Length(); i++) {
+    lib ^= libs.At(i);
+    ASSERT(!lib.IsNull());
+    const Array& loaded_scripts = Array::Handle(lib.LoadedScripts());
+    ASSERT(!loaded_scripts.IsNull());
+    for (intptr_t j = 0; j < loaded_scripts.Length(); j++) {
+      script ^= loaded_scripts.At(j);
+      ASSERT(!script.IsNull());
+      script_url ^= script.url();
+      if (script_url.Equals(url)) {
+        return script.raw();
+      }
+    }
+  }
+  return Script::null();
+}
+
+
 DictionaryIterator::DictionaryIterator(const Library& library)
     : array_(Array::Handle(library.dictionary())),
       // Last element in array is a Smi indicating the number of entries used.