Move V8 to external/v8

Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/test/cctest/test-compiler.cc b/test/cctest/test-compiler.cc
new file mode 100644
index 0000000..08037b3
--- /dev/null
+++ b/test/cctest/test-compiler.cc
@@ -0,0 +1,318 @@
+// Copyright 2006-2008 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <stdlib.h>
+
+#include "v8.h"
+
+#include "compiler.h"
+#include "execution.h"
+#include "factory.h"
+#include "platform.h"
+#include "top.h"
+#include "cctest.h"
+
+using namespace v8::internal;
+
+static v8::Persistent<v8::Context> env;
+
+// --- P r i n t   E x t e n s i o n ---
+
+class PrintExtension : public v8::Extension {
+ public:
+  PrintExtension() : v8::Extension("v8/print", kSource) { }
+  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
+      v8::Handle<v8::String> name);
+  static v8::Handle<v8::Value> Print(const v8::Arguments& args);
+ private:
+  static const char* kSource;
+};
+
+
+const char* PrintExtension::kSource = "native function print();";
+
+
+v8::Handle<v8::FunctionTemplate> PrintExtension::GetNativeFunction(
+    v8::Handle<v8::String> str) {
+  return v8::FunctionTemplate::New(PrintExtension::Print);
+}
+
+
+v8::Handle<v8::Value> PrintExtension::Print(const v8::Arguments& args) {
+  for (int i = 0; i < args.Length(); i++) {
+    if (i != 0) printf(" ");
+    v8::HandleScope scope;
+    v8::Handle<v8::Value> arg = args[i];
+    v8::Handle<v8::String> string_obj = arg->ToString();
+    if (string_obj.IsEmpty()) return string_obj;
+    int length = string_obj->Length();
+    uint16_t* string = NewArray<uint16_t>(length + 1);
+    string_obj->Write(string);
+    for (int j = 0; j < length; j++)
+      printf("%lc", string[j]);
+    DeleteArray(string);
+  }
+  printf("\n");
+  return v8::Undefined();
+}
+
+
+static PrintExtension kPrintExtension;
+v8::DeclareExtension kPrintExtensionDeclaration(&kPrintExtension);
+
+
+static void InitializeVM() {
+  if (env.IsEmpty()) {
+    v8::HandleScope scope;
+    const char* extensions[] = { "v8/print", "v8/gc" };
+    v8::ExtensionConfiguration config(2, extensions);
+    env = v8::Context::New(&config);
+  }
+  v8::HandleScope scope;
+  env->Enter();
+}
+
+
+static Object* GetGlobalProperty(const char* name) {
+  Handle<String> symbol = Factory::LookupAsciiSymbol(name);
+  return Top::context()->global()->GetProperty(*symbol);
+}
+
+
+static void SetGlobalProperty(const char* name, Object* value) {
+  Handle<Object> object(value);
+  Handle<String> symbol = Factory::LookupAsciiSymbol(name);
+  Handle<JSObject> global(Top::context()->global());
+  SetProperty(global, symbol, object, NONE);
+}
+
+
+static Handle<JSFunction> Compile(const char* source) {
+  Handle<String> source_code(Factory::NewStringFromUtf8(CStrVector(source)));
+  Handle<JSFunction> boilerplate =
+      Compiler::Compile(source_code, Handle<String>(), 0, 0, NULL, NULL);
+  return Factory::NewFunctionFromBoilerplate(boilerplate,
+                                             Top::global_context());
+}
+
+
+static double Inc(int x) {
+  const char* source = "result = %d + 1;";
+  EmbeddedVector<char, 512> buffer;
+  OS::SNPrintF(buffer, source, x);
+
+  Handle<JSFunction> fun = Compile(buffer.start());
+  if (fun.is_null()) return -1;
+
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Execution::Call(fun, global, 0, NULL, &has_pending_exception);
+  CHECK(!has_pending_exception);
+  return GetGlobalProperty("result")->Number();
+}
+
+
+TEST(Inc) {
+  InitializeVM();
+  v8::HandleScope scope;
+  CHECK_EQ(4.0, Inc(3));
+}
+
+
+static double Add(int x, int y) {
+  Handle<JSFunction> fun = Compile("result = x + y;");
+  if (fun.is_null()) return -1;
+
+  SetGlobalProperty("x", Smi::FromInt(x));
+  SetGlobalProperty("y", Smi::FromInt(y));
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Execution::Call(fun, global, 0, NULL, &has_pending_exception);
+  CHECK(!has_pending_exception);
+  return GetGlobalProperty("result")->Number();
+}
+
+
+TEST(Add) {
+  InitializeVM();
+  v8::HandleScope scope;
+  CHECK_EQ(5.0, Add(2, 3));
+}
+
+
+static double Abs(int x) {
+  Handle<JSFunction> fun = Compile("if (x < 0) result = -x; else result = x;");
+  if (fun.is_null()) return -1;
+
+  SetGlobalProperty("x", Smi::FromInt(x));
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Execution::Call(fun, global, 0, NULL, &has_pending_exception);
+  CHECK(!has_pending_exception);
+  return GetGlobalProperty("result")->Number();
+}
+
+
+TEST(Abs) {
+  InitializeVM();
+  v8::HandleScope scope;
+  CHECK_EQ(3.0, Abs(-3));
+}
+
+
+static double Sum(int n) {
+  Handle<JSFunction> fun =
+      Compile("s = 0; while (n > 0) { s += n; n -= 1; }; result = s;");
+  if (fun.is_null()) return -1;
+
+  SetGlobalProperty("n", Smi::FromInt(n));
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Execution::Call(fun, global, 0, NULL, &has_pending_exception);
+  CHECK(!has_pending_exception);
+  return GetGlobalProperty("result")->Number();
+}
+
+
+TEST(Sum) {
+  InitializeVM();
+  v8::HandleScope scope;
+  CHECK_EQ(5050.0, Sum(100));
+}
+
+
+TEST(Print) {
+  InitializeVM();
+  v8::HandleScope scope;
+  const char* source = "for (n = 0; n < 100; ++n) print(n, 1, 2);";
+  Handle<JSFunction> fun = Compile(source);
+  if (fun.is_null()) return;
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Execution::Call(fun, global, 0, NULL, &has_pending_exception);
+  CHECK(!has_pending_exception);
+}
+
+
+// The following test method stems from my coding efforts today. It
+// tests all the functionality I have added to the compiler today
+TEST(Stuff) {
+  InitializeVM();
+  v8::HandleScope scope;
+  const char* source =
+    "r = 0;\n"
+    "a = new Object;\n"
+    "if (a == a) r+=1;\n"  // 1
+    "if (a != new Object()) r+=2;\n"  // 2
+    "a.x = 42;\n"
+    "if (a.x == 42) r+=4;\n"  // 4
+    "function foo() { var x = 87; return x; }\n"
+    "if (foo() == 87) r+=8;\n"  // 8
+    "function bar() { var x; x = 99; return x; }\n"
+    "if (bar() == 99) r+=16;\n"  // 16
+    "function baz() { var x = 1, y, z = 2; y = 3; return x + y + z; }\n"
+    "if (baz() == 6) r+=32;\n"  // 32
+    "function Cons0() { this.x = 42; this.y = 87; }\n"
+    "if (new Cons0().x == 42) r+=64;\n"  // 64
+    "if (new Cons0().y == 87) r+=128;\n"  // 128
+    "function Cons2(x, y) { this.sum = x + y; }\n"
+    "if (new Cons2(3,4).sum == 7) r+=256;";  // 256
+
+  Handle<JSFunction> fun = Compile(source);
+  CHECK(!fun.is_null());
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Execution::Call(fun, global, 0, NULL, &has_pending_exception);
+  CHECK(!has_pending_exception);
+  CHECK_EQ(511.0, GetGlobalProperty("r")->Number());
+}
+
+
+TEST(UncaughtThrow) {
+  InitializeVM();
+  v8::HandleScope scope;
+
+  const char* source = "throw 42;";
+  Handle<JSFunction> fun = Compile(source);
+  CHECK(!fun.is_null());
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Handle<Object> result =
+      Execution::Call(fun, global, 0, NULL, &has_pending_exception);
+  CHECK(has_pending_exception);
+  CHECK_EQ(42.0, Top::pending_exception()->Number());
+}
+
+
+// Tests calling a builtin function from C/C++ code, and the builtin function
+// performs GC. It creates a stack frame looks like following:
+//   | C (PerformGC) |
+//   |   JS-to-C     |
+//   |      JS       |
+//   |   C-to-JS     |
+TEST(C2JSFrames) {
+  InitializeVM();
+  v8::HandleScope scope;
+
+  const char* source = "function foo(a) { gc(), print(a); }";
+
+  Handle<JSFunction> fun0 = Compile(source);
+  CHECK(!fun0.is_null());
+
+  // Run the generated code to populate the global object with 'foo'.
+  bool has_pending_exception;
+  Handle<JSObject> global(Top::context()->global());
+  Execution::Call(fun0, global, 0, NULL, &has_pending_exception);
+  CHECK(!has_pending_exception);
+
+  Handle<Object> fun1 =
+      Handle<Object>(
+          Top::context()->global()->GetProperty(
+              *Factory::LookupAsciiSymbol("foo")));
+  CHECK(fun1->IsJSFunction());
+
+  Object** argv[1] = {
+    Handle<Object>::cast(Factory::LookupAsciiSymbol("hello")).location()
+  };
+  Execution::Call(Handle<JSFunction>::cast(fun1), global, 1, argv,
+                  &has_pending_exception);
+  CHECK(!has_pending_exception);
+}
+
+
+// Regression 236. Calling InitLineEnds on a Script with undefined
+// source resulted in crash.
+TEST(Regression236) {
+  InitializeVM();
+  v8::HandleScope scope;
+
+  Handle<Script> script = Factory::NewScript(Factory::empty_string());
+  script->set_source(Heap::undefined_value());
+  CHECK_EQ(-1, GetScriptLineNumber(script, 0));
+  CHECK_EQ(-1, GetScriptLineNumber(script, 100));
+  CHECK_EQ(-1, GetScriptLineNumber(script, -1));
+}