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Add support for snapshot loading to Sky

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This CL adds the ability to load Dart snapshot files created by sky_packager in
Sky. Using a snapshot lets us transmit all the code for an app in a single blob
and should improve startup time. Later CLs will make this codepath easier to
use and evaluate performance.

R=eseidel@chromium.org

Review URL: https://codereview.chromium.org/1197133004.
This commit is contained in:
Adam Barth 2015-06-23 18:40:01 -07:00
parent 2c58c80af2
commit 69e7997ae9
3 changed files with 0 additions and 13 deletions
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11
engine/src/flutter/tools/packager/loader.cc
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@ -15,9 +15,6 @@
namespace {
static const char kSkyInternalsLibraryName[] = "dart:sky.internals";
static const char kSkyInternalsURL[] = "package:sky/internals.dart";
std::string Fetch(const std::string& url) {
base::FilePath path(url);
std::string source;
@ -122,14 +119,6 @@ Dart_Handle HandleLibraryTag(Dart_LibraryTag tag,
return Dart_NewApiError("Unknown library tag.");
}
void LoadSkyInternals() {
DartApiScope api_scope;
Dart_Handle library_name = StringToDart(kSkyInternalsLibraryName);
std::string url = GetLoader().CanonicalizePackageURL(kSkyInternalsURL);
LogIfError(Dart_LoadLibrary(library_name, StringToDart(Fetch(url)), 0, 0));
}
void LoadScript(const std::string& url) {
LogIfError(
Dart_LoadScript(StringToDart(url), StringToDart(Fetch(url)), 0, 0));

1
engine/src/flutter/tools/packager/loader.h
View File

@ -12,7 +12,6 @@
Dart_Handle HandleLibraryTag(Dart_LibraryTag tag,
Dart_Handle library,
Dart_Handle url);
void LoadSkyInternals();
void LoadScript(const std::string& url);
#endif // SKY_TOOLS_PACKAGER_LOADER_H_

1
engine/src/flutter/tools/packager/vm.cc
View File

@ -32,7 +32,6 @@ Dart_Isolate CreateDartIsolate() {
CHECK(isolate) << error;
CHECK(!LogIfError(Dart_SetLibraryTagHandler(HandleLibraryTag)));
LoadSkyInternals();
Dart_ExitIsolate();
return isolate;