- Add a math library. Currently it mostly matches the Math class in dart:core.

runtime/vm/object.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/object.h"
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 763 matching lines @@
   // base interfaces and the implementation of the internal classes.
   Error& error = Error::Handle();
   error = Bootstrap::Compile(core_lib, script);
   if (!error.IsNull()) {
     return error.raw();
   }
   error = Bootstrap::Compile(core_impl_lib, impl_script);
   if (!error.IsNull()) {
     return error.raw();
   }
+  const Script& math_script = Script::Handle(Bootstrap::LoadMathScript());
+  Library::InitMathLibrary(isolate);
+  const Library& math_lib = Library::Handle(Library::MathLibrary());
+  ASSERT(!math_lib.IsNull());
+  error = Bootstrap::Compile(math_lib, math_script);
+  if (!error.IsNull()) {
+    return error.raw();
+  }
   const Script& isolate_script = Script::Handle(Bootstrap::LoadIsolateScript());
   Library::InitIsolateLibrary(isolate);
-  Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
+  const Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
   ASSERT(!isolate_lib.IsNull());
   error = Bootstrap::Compile(isolate_lib, isolate_script);
   if (!error.IsNull()) {
     return error.raw();
   }
   const Script& mirrors_script = Script::Handle(Bootstrap::LoadMirrorsScript());
   Library::InitMirrorsLibrary(isolate);
-  Library& mirrors_lib = Library::Handle(Library::MirrorsLibrary());
+  const Library& mirrors_lib = Library::Handle(Library::MirrorsLibrary());
   ASSERT(!mirrors_lib.IsNull());
   error = Bootstrap::Compile(mirrors_lib, mirrors_script);
   if (!error.IsNull()) {
     return error.raw();
   }
   Bootstrap::SetupNativeResolver();
 
   // Remove the Object superclass cycle by setting the super type to null (not
   // to the type of null).
   cls = object_store->object_class();
@@ skipping 4549 matching lines @@
   const Library& core_impl_lib =
       Library::Handle(Library::NewLibraryHelper(core_impl_lib_url, false));
   isolate->object_store()->set_core_impl_library(core_impl_lib);
   core_impl_lib.Register();
   core_lib.AddImport(core_impl_lib);
   core_impl_lib.AddImport(core_lib);
   isolate->object_store()->set_root_library(Library::Handle());
 }
 
 
+void Library::InitMathLibrary(Isolate* isolate) {
+  const String& url = String::Handle(String::NewSymbol("dart:math"));
+  const Library& lib = Library::Handle(Library::New(url));
+  lib.Register();
+  const Library& core_impl_lib = Library::Handle(Library::CoreImplLibrary());
+  lib.AddImport(core_impl_lib);
+  isolate->object_store()->set_math_library(lib);
+}
+
+
 void Library::InitIsolateLibrary(Isolate* isolate) {
   const String& url = String::Handle(String::NewSymbol("dart:isolate"));
   const Library& lib = Library::Handle(Library::New(url));
   lib.Register();
   isolate->object_store()->set_isolate_library(lib);
 }
 
 
 void Library::InitMirrorsLibrary(Isolate* isolate) {
   const String& url = String::Handle(String::NewSymbol("dart:mirrors"));
@@ skipping 105 matching lines @@
 RawLibrary* Library::CoreLibrary() {
   return Isolate::Current()->object_store()->core_library();
 }
 
 
 RawLibrary* Library::CoreImplLibrary() {
   return Isolate::Current()->object_store()->core_impl_library();
 }
 
 
+RawLibrary* Library::MathLibrary() {
+  return Isolate::Current()->object_store()->math_library();
+}
+
+
 RawLibrary* Library::IsolateLibrary() {
   return Isolate::Current()->object_store()->isolate_library();
 }
 
 
 RawLibrary* Library::MirrorsLibrary() {
   return Isolate::Current()->object_store()->mirrors_library();
 }
 
 
@@ skipping 4520 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart