VM: Re-format to use at most one newline between functions

runtime/vm/bootstrap.cc

 // Copyright (c) 2012, 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/bootstrap.h"
 
 #include "include/dart_api.h"
 
 #include "vm/bootstrap_natives.h"
 #include "vm/class_finalizer.h"
@@ skipping 10 matching lines @@
 namespace dart {
 
 struct BootstrapLibProps {
   ObjectStore::BootstrapLibraryId index;
   const char* uri;
   const char** source_paths;
   const char* patch_uri;
   const char** patch_paths;
 };
 
-
 enum { kPathsUriOffset = 0, kPathsSourceOffset = 1, kPathsEntryLength = 2 };
 
-
 const char** Bootstrap::profiler_patch_paths_ = NULL;
 
-
 #define MAKE_PROPERTIES(CamelName, name)                                       \
   {ObjectStore::k##CamelName, "dart:" #name, Bootstrap::name##_source_paths_,  \
    "dart:" #name "-patch", Bootstrap::name##_patch_paths_},
 
 static const BootstrapLibProps bootstrap_libraries[] = {
     FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_PROPERTIES)};
 
 #undef MAKE_PROPERTIES
 
-
 static const intptr_t kBootstrapLibraryCount = ARRAY_SIZE(bootstrap_libraries);
 
-
 static RawString* GetLibrarySourceByIndex(intptr_t index,
                                           const String& uri,
                                           bool patch) {
   ASSERT(index >= 0 && index < kBootstrapLibraryCount);
 
   // Try to read the source using the path specified for the uri.
   const char** source_paths = patch ? bootstrap_libraries[index].patch_paths
                                     : bootstrap_libraries[index].source_paths;
   if (source_paths == NULL) {
     return String::null();  // No path mapping information exists for library.
@@ skipping 16 matching lines @@
     file_length = strlen(source_data);
     utf8_array = reinterpret_cast<const uint8_t*>(source_data);
   } else {
     return String::null();
   }
   ASSERT(utf8_array != NULL);
   ASSERT(file_length >= 0);
   return String::FromUTF8(utf8_array, file_length);
 }
 
-
 static RawString* GetLibrarySource(const Library& lib,
                                    const String& uri,
                                    bool patch) {
   // First check if this is a valid bootstrap library and find its index in
   // the 'bootstrap_libraries' table above.
   intptr_t index;
   const String& lib_uri = String::Handle(lib.url());
   for (index = 0; index < kBootstrapLibraryCount; ++index) {
     if (lib_uri.Equals(bootstrap_libraries[index].uri)) {
       break;
     }
   }
   if (index == kBootstrapLibraryCount) {
     return String::null();  // The library is not a bootstrap library.
   }
 
   return GetLibrarySourceByIndex(index, uri, patch);
 }
 
-
 static RawError* Compile(const Library& library, const Script& script) {
   bool update_lib_status = (script.kind() == RawScript::kScriptTag ||
                             script.kind() == RawScript::kLibraryTag);
   if (update_lib_status) {
     library.SetLoadInProgress();
   }
   const Error& error = Error::Handle(Compiler::Compile(library, script));
   if (update_lib_status) {
     if (error.IsNull()) {
       library.SetLoaded();
     } else {
       // Compilation errors are not Dart instances, so just mark the library
       // as having failed to load without providing an error instance.
       library.SetLoadError(Object::null_instance());
     }
   }
   return error.raw();
 }
 
-
 static Dart_Handle LoadPartSource(Thread* thread,
                                   const Library& lib,
                                   const String& uri) {
   Zone* zone = thread->zone();
   const String& part_source =
       String::Handle(zone, GetLibrarySource(lib, uri, false));
   const String& lib_uri = String::Handle(zone, lib.url());
   if (part_source.IsNull()) {
     return Api::NewError("Unable to read part file '%s' of library '%s'",
                          uri.ToCString(), lib_uri.ToCString());
   }
 
   // Prepend the library URI to form a unique script URI for the part.
   const Array& strings = Array::Handle(zone, Array::New(3));
   strings.SetAt(0, lib_uri);
   strings.SetAt(1, Symbols::Slash());
   strings.SetAt(2, uri);
   const String& part_uri = String::Handle(zone, String::ConcatAll(strings));
 
   // Create a script object and compile the part.
   const Script& part_script = Script::Handle(
       zone, Script::New(part_uri, part_source, RawScript::kSourceTag));
   const Error& error = Error::Handle(zone, Compile(lib, part_script));
   return Api::NewHandle(thread, error.raw());
 }
 
-
 static Dart_Handle BootstrapLibraryTagHandler(Dart_LibraryTag tag,
                                               Dart_Handle library,
                                               Dart_Handle uri) {
   Thread* thread = Thread::Current();
   Zone* zone = thread->zone();
   // This handler calls into the VM directly and does not use the Dart
   // API so we transition back to VM.
   TransitionNativeToVM transition(thread);
   if (!Dart_IsLibrary(library)) {
     return Api::NewError("not a library");
@@ skipping 15 matching lines @@
     // The bootstrap process explicitly loads all the libraries one by one.
     return Api::NewError("Invalid import of '%s' in a bootstrap library",
                          uri_str.ToCString());
   }
   ASSERT(tag == Dart_kSourceTag);
   const Library& lib = Api::UnwrapLibraryHandle(zone, library);
   ASSERT(!lib.IsNull());
   return LoadPartSource(thread, lib, uri_str);
 }
 
-
 static RawError* LoadPatchFiles(Thread* thread,
                                 const Library& lib,
                                 intptr_t index) {
   const char** patch_files = bootstrap_libraries[index].patch_paths;
   if (patch_files == NULL) return Error::null();
 
   Zone* zone = thread->zone();
   String& patch_uri = String::Handle(
       zone, Symbols::New(thread, bootstrap_libraries[index].patch_uri));
   String& patch_file_uri = String::Handle(zone);
@@ skipping 17 matching lines @@
     patch_file_uri = String::ConcatAll(strings);
     script = Script::New(patch_file_uri, source, RawScript::kPatchTag);
     error = lib.Patch(script);
     if (!error.IsNull()) {
       return error.raw();
     }
   }
   return Error::null();
 }
 
-
 static void Finish(Thread* thread, bool from_kernel) {
   Bootstrap::SetupNativeResolver();
   if (!ClassFinalizer::ProcessPendingClasses(from_kernel)) {
     FATAL("Error in class finalization during bootstrapping.");
   }
 
   // Eagerly compile the _Closure class as it is the class of all closure
   // instances. This allows us to just finalize function types without going
   // through the hoops of trying to compile their scope class.
   ObjectStore* object_store = thread->isolate()->object_store();
@@ skipping 14 matching lines @@
   ASSERT(field.Offset() == Closure::function_offset());
   field ^= fields.At(3);
   ASSERT(field.Offset() == Closure::context_offset());
 #endif  // defined(DEBUG)
 
   // Eagerly compile Bool class, bool constants are used from within compiler.
   cls = object_store->bool_class();
   Compiler::CompileClass(cls);
 }
 
-
 static RawError* BootstrapFromSource(Thread* thread) {
   Isolate* isolate = thread->isolate();
   Zone* zone = thread->zone();
   String& uri = String::Handle(zone);
   String& source = String::Handle(zone);
   Script& script = Script::Handle(zone);
   Library& lib = Library::Handle(zone);
   Error& error = Error::Handle(zone);
 
   // Set the library tag handler for the isolate to the bootstrap
@@ skipping 29 matching lines @@
 
   if (error.IsNull()) {
     Finish(thread, /*from_kernel=*/false);
   }
   // Restore the library tag handler for the isolate.
   isolate->set_library_tag_handler(saved_tag_handler);
 
   return error.raw();
 }
 
-
 #if !defined(DART_PRECOMPILED_RUNTIME)
 static RawError* BootstrapFromKernel(Thread* thread, kernel::Program* program) {
   Zone* zone = thread->zone();
   kernel::KernelReader reader(program);
 
   Isolate* isolate = thread->isolate();
   // Mark the already-pending classes.  This mark bit will be used to avoid
   // adding classes to the list more than once.
   GrowableObjectArray& pending_classes = GrowableObjectArray::Handle(
       zone, isolate->object_store()->pending_classes());
@@ skipping 34 matching lines @@
 
   return Error::null();
 }
 #else
 static RawError* BootstrapFromKernel(Thread* thread, kernel::Program* program) {
   UNREACHABLE();
   return Error::null();
 }
 #endif
 
-
 RawError* Bootstrap::DoBootstrapping(kernel::Program* kernel_program) {
   Thread* thread = Thread::Current();
   Isolate* isolate = thread->isolate();
   Zone* zone = thread->zone();
   String& uri = String::Handle(zone);
   Library& lib = Library::Handle(zone);
 
   HANDLESCOPE(thread);
 
   // Ensure there are library objects for all the bootstrap libraries.
   for (intptr_t i = 0; i < kBootstrapLibraryCount; ++i) {
     ObjectStore::BootstrapLibraryId id = bootstrap_libraries[i].index;
     uri = Symbols::New(thread, bootstrap_libraries[i].uri);
     lib = isolate->object_store()->bootstrap_library(id);
     ASSERT(lib.raw() == Library::LookupLibrary(thread, uri));
     if (lib.IsNull()) {
       lib = Library::NewLibraryHelper(uri, false);
       lib.SetLoadRequested();
       lib.Register(thread);
       isolate->object_store()->set_bootstrap_library(id, lib);
     }
   }
 
   return (kernel_program == NULL) ? BootstrapFromSource(thread)
                                   : BootstrapFromKernel(thread, kernel_program);
 }
 
 }  // namespace dart