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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/bootstrap.h" | 5 #include "vm/bootstrap.h" |
| 6 | 6 |
| 7 #include "include/dart_api.h" | 7 #include "include/dart_api.h" |
| 8 | 8 |
| 9 #include "vm/bootstrap_natives.h" | |
| 10 #include "vm/compiler.h" | 9 #include "vm/compiler.h" |
| 11 #include "vm/dart_api_impl.h" | 10 #include "vm/dart_api_impl.h" |
| 12 #include "vm/object.h" | 11 #include "vm/object.h" |
| 13 #include "vm/object_store.h" | 12 #include "vm/object_store.h" |
| 14 | 13 |
| 15 namespace dart { | 14 namespace dart { |
| 16 | 15 |
| 17 DEFINE_FLAG(bool, print_bootstrap, false, "Print the bootstrap source."); | 16 DEFINE_FLAG(bool, print_bootstrap, false, "Print the bootstrap source."); |
| 18 | 17 |
| 19 // List all native functions implemented in the vm or core bootstrap dart | |
| 20 // libraries so that we can resolve the native function to it's entry | |
| 21 // point. | |
| 22 static struct NativeEntries { | |
| 23 const char* name_; | |
| 24 Dart_NativeFunction function_; | |
| 25 int argument_count_; | |
| 26 } BootStrapEntries[] = { | |
| 27 BOOTSTRAP_NATIVE_LIST(REGISTER_NATIVE_ENTRY) | |
| 28 }; | |
| 29 | |
| 30 | |
| 31 static Dart_NativeFunction native_lookup(Dart_Handle name, | |
| 32 int argument_count) { | |
| 33 const Object& obj = Object::Handle(Api::UnwrapHandle(name)); | |
| 34 if (!obj.IsString()) { | |
| 35 return NULL; | |
| 36 } | |
| 37 const char* function_name = obj.ToCString(); | |
| 38 ASSERT(function_name != NULL); | |
| 39 int num_entries = sizeof(BootStrapEntries) / sizeof(struct NativeEntries); | |
| 40 for (int i = 0; i < num_entries; i++) { | |
| 41 struct NativeEntries* entry = &(BootStrapEntries[i]); | |
| 42 if (!strncmp(function_name, entry->name_, strlen(entry->name_))) { | |
| 43 if (entry->argument_count_ == argument_count) { | |
| 44 return reinterpret_cast<Dart_NativeFunction>(entry->function_); | |
| 45 } else { | |
| 46 // Wrong number of arguments. | |
| 47 // TODO(regis): Should we pass a buffer for error reporting? | |
| 48 return NULL; | |
| 49 } | |
| 50 } | |
| 51 } | |
| 52 return NULL; | |
| 53 } | |
| 54 | |
| 55 | 18 |
| 56 RawScript* Bootstrap::LoadScript() { | 19 RawScript* Bootstrap::LoadScript() { |
| 57 const String& url = String::Handle(String::New("bootstrap", Heap::kOld)); | 20 const String& url = String::Handle(String::New("bootstrap", Heap::kOld)); |
| 58 const String& src = String::Handle(String::New(corelib_source_, Heap::kOld)); | 21 const String& src = String::Handle(String::New(corelib_source_, Heap::kOld)); |
| 59 | 22 |
| 60 const Script& result = | 23 const Script& result = |
| 61 Script::Handle(Script::New(url, src, RawScript::kSource)); | 24 Script::Handle(Script::New(url, src, RawScript::kSource)); |
| 62 return result.raw(); | 25 return result.raw(); |
| 63 } | 26 } |
| 64 | 27 |
| (...skipping 14 matching lines...) Expand all Loading... |
| 79 if (FLAG_print_bootstrap) { | 42 if (FLAG_print_bootstrap) { |
| 80 OS::Print("Bootstrap source '%s':\n%s\n", | 43 OS::Print("Bootstrap source '%s':\n%s\n", |
| 81 String::Handle(script.url()).ToCString(), | 44 String::Handle(script.url()).ToCString(), |
| 82 String::Handle(script.source()).ToCString()); | 45 String::Handle(script.source()).ToCString()); |
| 83 } | 46 } |
| 84 library.SetLoadInProgress(); | 47 library.SetLoadInProgress(); |
| 85 Compiler::Compile(library, script); | 48 Compiler::Compile(library, script); |
| 86 library.SetLoaded(); | 49 library.SetLoaded(); |
| 87 } | 50 } |
| 88 | 51 |
| 89 | |
| 90 void Bootstrap::SetupNativeResolver() { | |
| 91 Library& library = Library::Handle(Library::CoreLibrary()); | |
| 92 ASSERT(!library.IsNull()); | |
| 93 library.set_native_entry_resolver( | |
| 94 reinterpret_cast<Dart_NativeEntryResolver>(native_lookup)); | |
| 95 library = Library::CoreImplLibrary(); | |
| 96 ASSERT(!library.IsNull()); | |
| 97 library.set_native_entry_resolver( | |
| 98 reinterpret_cast<Dart_NativeEntryResolver>(native_lookup)); | |
| 99 } | |
| 100 | |
| 101 } // namespace dart | 52 } // namespace dart |
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