Rename "global context" to "native context",

test/cctest/test-heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 
 #include <stdlib.h>
 
 #include "v8.h"
 
 #include "execution.h"
 #include "factory.h"
 #include "macro-assembler.h"
 #include "global-handles.h"
@@ skipping 858 matching lines @@
   HEAP->CollectAllGarbage(Heap::kNoGCFlags);
 
   v8::HandleScope scope;
 
   // The plan: create JSObject which references objects in new space.
   // Then clone this object (forcing it to go into old space) and check
   // that region dirty marks are updated correctly.
 
   // Step 1: prepare a map for the object.  We add 1 inobject property to it.
   Handle<JSFunction> object_ctor(
-      Isolate::Current()->global_context()->object_function());
+      Isolate::Current()->native_context()->object_function());
   CHECK(object_ctor->has_initial_map());
   Handle<Map> object_map(object_ctor->initial_map());
   // Create a map with single inobject property.
   Handle<Map> my_map = FACTORY->CopyMap(object_map, 1);
   int n_properties = my_map->inobject_properties();
   CHECK_GT(n_properties, 0);
 
   int object_size = my_map->instance_size();
 
   // Step 2: allocate a lot of objects so to almost fill new space: we need
@@ skipping 88 matching lines @@
   // foo should no longer be in the compilation cache
   CHECK(!function->shared()->is_compiled() || function->IsOptimized());
   CHECK(!function->is_compiled() || function->IsOptimized());
   // Call foo to get it recompiled.
   CompileRun("foo()");
   CHECK(function->shared()->is_compiled());
   CHECK(function->is_compiled());
 }
 
 
-// Count the number of global contexts in the weak list of global contexts.
-int CountGlobalContexts() {
+// Count the number of native contexts in the weak list of native contexts.
+int CountNativeContexts() {
   int count = 0;
-  Object* object = HEAP->global_contexts_list();
+  Object* object = HEAP->native_contexts_list();
   while (!object->IsUndefined()) {
     count++;
     object = Context::cast(object)->get(Context::NEXT_CONTEXT_LINK);
   }
   return count;
 }
 
 
 // Count the number of user functions in the weak list of optimized
-// functions attached to a global context.
+// functions attached to a native context.
 static int CountOptimizedUserFunctions(v8::Handle<v8::Context> context) {
   int count = 0;
   Handle<Context> icontext = v8::Utils::OpenHandle(*context);
   Object* object = icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST);
   while (object->IsJSFunction() && !JSFunction::cast(object)->IsBuiltin()) {
     count++;
     object = JSFunction::cast(object)->next_function_link();
   }
   return count;
 }
 
 
 TEST(TestInternalWeakLists) {
   v8::V8::Initialize();
 
   static const int kNumTestContexts = 10;
 
   v8::HandleScope scope;
   v8::Persistent<v8::Context> ctx[kNumTestContexts];
 
-  CHECK_EQ(0, CountGlobalContexts());
+  CHECK_EQ(0, CountNativeContexts());
 
   // Create a number of global contests which gets linked together.
   for (int i = 0; i < kNumTestContexts; i++) {
     ctx[i] = v8::Context::New();
 
     bool opt = (FLAG_always_opt && i::V8::UseCrankshaft());
 
-    CHECK_EQ(i + 1, CountGlobalContexts());
+    CHECK_EQ(i + 1, CountNativeContexts());
 
     ctx[i]->Enter();
 
     // Create a handle scope so no function objects get stuch in the outer
     // handle scope
     v8::HandleScope scope;
     const char* source = "function f1() { };"
                          "function f2() { };"
                          "function f3() { };"
                          "function f4() { };"
@@ skipping 39 matching lines @@
     }
     HEAP->CollectAllGarbage(Heap::kNoGCFlags);
     CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i]));
 
     ctx[i]->Exit();
   }
 
   // Force compilation cache cleanup.
   HEAP->CollectAllGarbage(Heap::kNoGCFlags);
 
-  // Dispose the global contexts one by one.
+  // Dispose the native contexts one by one.
   for (int i = 0; i < kNumTestContexts; i++) {
     ctx[i].Dispose();
     ctx[i].Clear();
 
     // Scavenge treats these references as strong.
     for (int j = 0; j < 10; j++) {
       HEAP->PerformScavenge();
-      CHECK_EQ(kNumTestContexts - i, CountGlobalContexts());
+      CHECK_EQ(kNumTestContexts - i, CountNativeContexts());
     }
 
     // Mark compact handles the weak references.
     HEAP->CollectAllGarbage(Heap::kNoGCFlags);
-    CHECK_EQ(kNumTestContexts - i - 1, CountGlobalContexts());
+    CHECK_EQ(kNumTestContexts - i - 1, CountNativeContexts());
   }
 
-  CHECK_EQ(0, CountGlobalContexts());
+  CHECK_EQ(0, CountNativeContexts());
 }
 
 
-// Count the number of global contexts in the weak list of global contexts
+// Count the number of native contexts in the weak list of native contexts
 // causing a GC after the specified number of elements.
-static int CountGlobalContextsWithGC(int n) {
+static int CountNativeContextsWithGC(int n) {
   int count = 0;
-  Handle<Object> object(HEAP->global_contexts_list());
+  Handle<Object> object(HEAP->native_contexts_list());
   while (!object->IsUndefined()) {
     count++;
     if (count == n) HEAP->CollectAllGarbage(Heap::kNoGCFlags);
     object =
         Handle<Object>(Context::cast(*object)->get(Context::NEXT_CONTEXT_LINK));
   }
   return count;
 }
 
 
 // Count the number of user functions in the weak list of optimized
-// functions attached to a global context causing a GC after the
+// functions attached to a native context causing a GC after the
 // specified number of elements.
 static int CountOptimizedUserFunctionsWithGC(v8::Handle<v8::Context> context,
                                              int n) {
   int count = 0;
   Handle<Context> icontext = v8::Utils::OpenHandle(*context);
   Handle<Object> object(icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST));
   while (object->IsJSFunction() &&
          !Handle<JSFunction>::cast(object)->IsBuiltin()) {
     count++;
     if (count == n) HEAP->CollectAllGarbage(Heap::kNoGCFlags);
     object = Handle<Object>(
         Object::cast(JSFunction::cast(*object)->next_function_link()));
   }
   return count;
 }
 
 
 TEST(TestInternalWeakListsTraverseWithGC) {
   v8::V8::Initialize();
 
   static const int kNumTestContexts = 10;
 
   v8::HandleScope scope;
   v8::Persistent<v8::Context> ctx[kNumTestContexts];
 
-  CHECK_EQ(0, CountGlobalContexts());
+  CHECK_EQ(0, CountNativeContexts());
 
   // Create an number of contexts and check the length of the weak list both
   // with and without GCs while iterating the list.
   for (int i = 0; i < kNumTestContexts; i++) {
     ctx[i] = v8::Context::New();
-    CHECK_EQ(i + 1, CountGlobalContexts());
-    CHECK_EQ(i + 1, CountGlobalContextsWithGC(i / 2 + 1));
+    CHECK_EQ(i + 1, CountNativeContexts());
+    CHECK_EQ(i + 1, CountNativeContextsWithGC(i / 2 + 1));
   }
 
   bool opt = (FLAG_always_opt && i::V8::UseCrankshaft());
 
   // Compile a number of functions the length of the weak list of optimized
   // functions both with and without GCs while iterating the list.
   ctx[0]->Enter();
   const char* source = "function f1() { };"
                        "function f2() { };"
                        "function f3() { };"
@@ skipping 189 matching lines @@
   HeapIterator iterator;
   for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
     if (obj->IsGlobalObject()) count++;
   }
   return count;
 }
 
 
 // Test that we don't embed maps from foreign contexts into
 // optimized code.
-TEST(LeakGlobalContextViaMap) {
+TEST(LeakNativeContextViaMap) {
   i::FLAG_allow_natives_syntax = true;
   v8::HandleScope outer_scope;
   v8::Persistent<v8::Context> ctx1 = v8::Context::New();
   v8::Persistent<v8::Context> ctx2 = v8::Context::New();
   ctx1->Enter();
 
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(4, NumberOfGlobalObjects());
 
   {
@@ skipping 16 matching lines @@
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(2, NumberOfGlobalObjects());
   ctx2.Dispose();
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(0, NumberOfGlobalObjects());
 }
 
 
 // Test that we don't embed functions from foreign contexts into
 // optimized code.
-TEST(LeakGlobalContextViaFunction) {
+TEST(LeakNativeContextViaFunction) {
   i::FLAG_allow_natives_syntax = true;
   v8::HandleScope outer_scope;
   v8::Persistent<v8::Context> ctx1 = v8::Context::New();
   v8::Persistent<v8::Context> ctx2 = v8::Context::New();
   ctx1->Enter();
 
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(4, NumberOfGlobalObjects());
 
   {
@@ skipping 14 matching lines @@
     ctx1.Dispose();
   }
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(2, NumberOfGlobalObjects());
   ctx2.Dispose();
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(0, NumberOfGlobalObjects());
 }
 
 
-TEST(LeakGlobalContextViaMapKeyed) {
+TEST(LeakNativeContextViaMapKeyed) {
   i::FLAG_allow_natives_syntax = true;
   v8::HandleScope outer_scope;
   v8::Persistent<v8::Context> ctx1 = v8::Context::New();
   v8::Persistent<v8::Context> ctx2 = v8::Context::New();
   ctx1->Enter();
 
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(4, NumberOfGlobalObjects());
 
   {
@@ skipping 14 matching lines @@
     ctx1.Dispose();
   }
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(2, NumberOfGlobalObjects());
   ctx2.Dispose();
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(0, NumberOfGlobalObjects());
 }
 
 
-TEST(LeakGlobalContextViaMapProto) {
+TEST(LeakNativeContextViaMapProto) {
   i::FLAG_allow_natives_syntax = true;
   v8::HandleScope outer_scope;
   v8::Persistent<v8::Context> ctx1 = v8::Context::New();
   v8::Persistent<v8::Context> ctx2 = v8::Context::New();
   ctx1->Enter();
 
   HEAP->CollectAllAvailableGarbage();
   CHECK_EQ(4, NumberOfGlobalObjects());
 
   {
@@ skipping 546 matching lines @@
     fun1 = env->Global()->Get(v8_str("fun"));
   }
 
   {
     LocalContext env;
     CompileRun("function fun() {};");
     fun2 = env->Global()->Get(v8_str("fun"));
   }
 
   // Prepare function f that contains type feedback for closures
-  // originating from two different global contexts.
+  // originating from two different native contexts.
   v8::Context::GetCurrent()->Global()->Set(v8_str("fun1"), fun1);
   v8::Context::GetCurrent()->Global()->Set(v8_str("fun2"), fun2);
   CompileRun("function f(a, b) { a(); b(); } f(fun1, fun2);");
   Handle<JSFunction> f =
       v8::Utils::OpenHandle(
           *v8::Handle<v8::Function>::Cast(
               v8::Context::GetCurrent()->Global()->Get(v8_str("f"))));
   Handle<TypeFeedbackCells> cells(TypeFeedbackInfo::cast(
       f->shared()->code()->type_feedback_info())->type_feedback_cells());
 
@@ skipping 25 matching lines @@
   return NULL;
 }
 
 
 TEST(IncrementalMarkingPreservesMonomorhpicIC) {
   if (i::FLAG_always_opt) return;
   InitializeVM();
   v8::HandleScope scope;
 
   // Prepare function f that contains a monomorphic IC for object
-  // originating from the same global context.
+  // originating from the same native context.
   CompileRun("function fun() { this.x = 1; }; var obj = new fun();"
              "function f(o) { return o.x; } f(obj); f(obj);");
   Handle<JSFunction> f =
       v8::Utils::OpenHandle(
           *v8::Handle<v8::Function>::Cast(
               v8::Context::GetCurrent()->Global()->Get(v8_str("f"))));
 
   Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC);
   CHECK(ic_before->ic_state() == MONOMORPHIC);
 
@@ skipping 13 matching lines @@
   v8::HandleScope scope;
   v8::Local<v8::Value> obj1;
 
   {
     LocalContext env;
     CompileRun("function fun() { this.x = 1; }; var obj = new fun();");
     obj1 = env->Global()->Get(v8_str("obj"));
   }
 
   // Prepare function f that contains a monomorphic IC for object
-  // originating from a different global context.
+  // originating from a different native context.
   v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1);
   CompileRun("function f(o) { return o.x; } f(obj1); f(obj1);");
   Handle<JSFunction> f =
       v8::Utils::OpenHandle(
           *v8::Handle<v8::Function>::Cast(
               v8::Context::GetCurrent()->Global()->Get(v8_str("f"))));
 
   Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC);
   CHECK(ic_before->ic_state() == MONOMORPHIC);
 
@@ skipping 19 matching lines @@
     obj1 = env->Global()->Get(v8_str("obj"));
   }
 
   {
     LocalContext env;
     CompileRun("function fun() { this.x = 2; }; var obj = new fun();");
     obj2 = env->Global()->Get(v8_str("obj"));
   }
 
   // Prepare function f that contains a polymorphic IC for objects
-  // originating from two different global contexts.
+  // originating from two different native contexts.
   v8::Context::GetCurrent()->Global()->Set(v8_str("obj1"), obj1);
   v8::Context::GetCurrent()->Global()->Set(v8_str("obj2"), obj2);
   CompileRun("function f(o) { return o.x; } f(obj1); f(obj1); f(obj2);");
   Handle<JSFunction> f =
       v8::Utils::OpenHandle(
           *v8::Handle<v8::Function>::Cast(
               v8::Context::GetCurrent()->Global()->Get(v8_str("f"))));
 
   Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC);
   CHECK(ic_before->ic_state() == MEGAMORPHIC);
 
   // Fire context dispose notification.
   v8::V8::ContextDisposedNotification();
   SimulateIncrementalMarking();
   HEAP->CollectAllGarbage(Heap::kNoGCFlags);
 
   Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC);
   CHECK(ic_after->ic_state() == UNINITIALIZED);
 }