Introduce a compile method that takes context extensions

test/cctest/test-compiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 386 matching lines @@
         *v8::Local<v8::Function>::Cast(env->Global()->Get(v8_str("closure2"))));
     CHECK(fun1->IsOptimized()
           || !CcTest::i_isolate()->use_crankshaft() || !fun1->IsOptimizable());
     CHECK(fun2->IsOptimized()
           || !CcTest::i_isolate()->use_crankshaft() || !fun2->IsOptimizable());
     CHECK_EQ(fun1->code(), fun2->code());
   }
 }
 
 
+TEST(CompileFunctionInContext) {
+  CcTest::InitializeVM();
+  v8::HandleScope scope(CcTest::isolate());
+  LocalContext env;
+  CompileRun("var r = 10;");
+  v8::Local<v8::Object> math =
+      v8::Local<v8::Object>::Cast(env->Global()->Get(v8_str("Math")));
+  v8::ScriptCompiler::Source script_source(v8_str(
+      "a = PI * r * r;"
+      "x = r * cos(PI);"
+      "y = r * sin(PI / 2);"));
+  v8::Local<v8::Function> fun = v8::ScriptCompiler::CompileFunctionInContext(
+      CcTest::isolate(), &script_source, env.local(), 1, &math);

[Yang, 2015/02/09 10:21:19]

Would be nicer to have more than one extension object to test that context
chaining (and also shadowing) works.

+  CHECK(!fun.IsEmpty());
+  fun->Call(env->Global(), 0, NULL);
+  CHECK(env->Global()->Has(v8_str("a")));
+  v8::Local<v8::Value> a = env->Global()->Get(v8_str("a"));
+  CHECK(a->IsNumber());
+  CHECK(env->Global()->Has(v8_str("x")));
+  v8::Local<v8::Value> x = env->Global()->Get(v8_str("x"));
+  CHECK(x->IsNumber());
+  CHECK(env->Global()->Has(v8_str("y")));
+  v8::Local<v8::Value> y = env->Global()->Get(v8_str("y"));
+  CHECK(y->IsNumber());
+  CHECK_EQ(314.1592653589793, a->NumberValue());
+  CHECK_EQ(-10.0, x->NumberValue());
+  CHECK_EQ(10.0, y->NumberValue());
+}
+
+
 #ifdef ENABLE_DISASSEMBLER
 static Handle<JSFunction> GetJSFunction(v8::Handle<v8::Object> obj,
                                  const char* property_name) {
   v8::Local<v8::Function> fun =
       v8::Local<v8::Function>::Cast(obj->Get(v8_str(property_name)));
   return v8::Utils::OpenHandle(*fun);
 }
 
 
 static void CheckCodeForUnsafeLiteral(Handle<JSFunction> f) {
@@ skipping 32 matching lines @@
   CompileRun("function f() { a = 12345678 }; f();");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { a = 12345678 + x}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x += 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x = 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
 }
 #endif