[Compiler] Add compile to CompilerDispatcherJob.

test/unittests/compiler-dispatcher/compiler-dispatcher-job-unittest.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <memory>
 
 #include "include/v8.h"
 #include "src/api.h"
 #include "src/ast/scopes.h"
 #include "src/compiler-dispatcher/compiler-dispatcher-job.h"
@@ skipping 34 matching lines @@
   Handle<String> source;
   if (maybe_resource) {
     source = isolate->factory()
                  ->NewExternalStringFromOneByte(maybe_resource)
                  .ToHandleChecked();
   } else {
     source = isolate->factory()->NewStringFromAsciiChecked(test_script);
   }
   Handle<Script> script = isolate->factory()->NewScript(source);
   Handle<SharedFunctionInfo> shared = isolate->factory()->NewSharedFunctionInfo(
-      isolate->factory()->NewStringFromAsciiChecked("f"), MaybeHandle<Code>(),
-      false);
+      isolate->factory()->NewStringFromAsciiChecked("f"),
+      isolate->builtins()->CompileLazy(), false);
   SharedFunctionInfo::SetScript(shared, script);
   shared->set_end_position(source->length());
   Handle<JSFunction> function =
       isolate->factory()->NewFunctionFromSharedFunctionInfo(
           shared, handle(isolate->context(), isolate));
   return scope.CloseAndEscape(function);
 }
 
+Handle<Object> RunJS(v8::Isolate* isolate, const char* script) {
+  return Utils::OpenHandle(
+      *v8::Script::Compile(
+           isolate->GetCurrentContext(),
+           v8::String::NewFromUtf8(isolate, script, v8::NewStringType::kNormal)
+               .ToLocalChecked())
+           .ToLocalChecked()
+           ->Run(isolate->GetCurrentContext())
+           .ToLocalChecked());
+}
+
 }  // namespace
 
 TEST_F(CompilerDispatcherJobTest, Construct) {
   std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
       i_isolate(), CreateFunction(i_isolate(), nullptr), FLAG_stack_size));
 }
 
 TEST_F(CompilerDispatcherJobTest, CanParseOnBackgroundThread) {
   {
     std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
@@ skipping 11 matching lines @@
 TEST_F(CompilerDispatcherJobTest, StateTransitions) {
   std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
       i_isolate(), CreateFunction(i_isolate(), nullptr), FLAG_stack_size));
 
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
   job->PrepareToParseOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kReadyToParse);
   job->Parse();
   ASSERT_TRUE(job->status() == CompileJobStatus::kParsed);
   ASSERT_TRUE(job->FinalizeParsingOnMainThread());
+  ASSERT_TRUE(job->status() == CompileJobStatus::kReadyToAnalyse);
+  ASSERT_TRUE(job->PrepareToCompileOnMainThread());
   ASSERT_TRUE(job->status() == CompileJobStatus::kReadyToCompile);
+  job->Compile();
+  ASSERT_TRUE(job->status() == CompileJobStatus::kCompiled);
+  ASSERT_TRUE(job->FinalizeCompilingOnMainThread());
+  ASSERT_TRUE(job->status() == CompileJobStatus::kDone);
   job->ResetOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
 }
 
 TEST_F(CompilerDispatcherJobTest, SyntaxError) {
   ScriptResource script("^^^", strlen("^^^"));
   std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
       i_isolate(), CreateFunction(i_isolate(), &script), FLAG_stack_size));
 
   job->PrepareToParseOnMainThread();
   job->Parse();
   ASSERT_FALSE(job->FinalizeParsingOnMainThread());
   ASSERT_TRUE(job->status() == CompileJobStatus::kFailed);
   ASSERT_TRUE(i_isolate()->has_pending_exception());
 
   i_isolate()->clear_pending_exception();
 
   job->ResetOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
 }
 
 TEST_F(CompilerDispatcherJobTest, ScopeChain) {
   const char script[] =
       "function g() { var g = 1; function f(x) { return x * g }; return f; } "
       "g();";
-  Handle<JSFunction> f = Handle<JSFunction>::cast(Utils::OpenHandle(
-      *v8::Script::Compile(isolate()->GetCurrentContext(),
-                           v8::String::NewFromUtf8(isolate(), script,
-                                                   v8::NewStringType::kNormal)
-                               .ToLocalChecked())
-           .ToLocalChecked()
-           ->Run(isolate()->GetCurrentContext())
-           .ToLocalChecked()));
+  Handle<JSFunction> f = Handle<JSFunction>::cast(RunJS(isolate(), script));
 
   std::unique_ptr<CompilerDispatcherJob> job(
       new CompilerDispatcherJob(i_isolate(), f, FLAG_stack_size));
 
   job->PrepareToParseOnMainThread();
   job->Parse();
   ASSERT_TRUE(job->FinalizeParsingOnMainThread());
-  ASSERT_TRUE(job->status() == CompileJobStatus::kReadyToCompile);
+  ASSERT_TRUE(job->status() == CompileJobStatus::kReadyToAnalyse);
 
   const AstRawString* var_x =
       job->parse_info_->ast_value_factory()->GetOneByteString("x");
   Variable* var = job->parse_info_->literal()->scope()->Lookup(var_x);
   ASSERT_TRUE(var);
   ASSERT_TRUE(var->IsUnallocated());
 
   const AstRawString* var_g =
       job->parse_info_->ast_value_factory()->GetOneByteString("g");
   var = job->parse_info_->literal()->scope()->Lookup(var_g);
   ASSERT_TRUE(var);
   ASSERT_TRUE(var->IsContextSlot());
 
   job->ResetOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
 }
 
+TEST_F(CompilerDispatcherJobTest, CompileAndRun) {
+  const char script[] =
+      "function g() {\n"
+      "  f = function(a) {\n"
+      "        for (var i = 0; i < 3; i++) { a += 20; }\n"
+      "        return a;\n"
+      "      }\n"
+      "  return f;\n"
+      "}\n"
+      "g();";
+  Handle<JSFunction> f = Handle<JSFunction>::cast(RunJS(isolate(), script));
+  std::unique_ptr<CompilerDispatcherJob> job(
+      new CompilerDispatcherJob(i_isolate(), f, FLAG_stack_size));
+
+  job->PrepareToParseOnMainThread();
+  job->Parse();
+  job->FinalizeParsingOnMainThread();
+  job->PrepareToCompileOnMainThread();
+  job->Compile();
+  ASSERT_TRUE(job->FinalizeCompilingOnMainThread());
+  ASSERT_TRUE(job->status() == CompileJobStatus::kDone);
+
+  Smi* value = Smi::cast(*RunJS(isolate(), "f(100);"));
+  ASSERT_TRUE(value == Smi::FromInt(160));
+
+  job->ResetOnMainThread();
+  ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
+}
+
+TEST_F(CompilerDispatcherJobTest, CompileFailureToPrepare) {
+  std::string raw_script("() { var a = ");
+  for (int i = 0; i < 100000; i++) {
+    raw_script += "'x' + ";
+  }
+  raw_script += " 'x'; }";
+  ScriptResource script(raw_script.c_str(), strlen(raw_script.c_str()));
+  std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
+      i_isolate(), CreateFunction(i_isolate(), &script), 100));
+
+  job->PrepareToParseOnMainThread();
+  job->Parse();
+  job->FinalizeParsingOnMainThread();
+  ASSERT_FALSE(job->PrepareToCompileOnMainThread());
+  ASSERT_TRUE(job->status() == CompileJobStatus::kFailed);
+  ASSERT_TRUE(i_isolate()->has_pending_exception());
+
+  i_isolate()->clear_pending_exception();
+  job->ResetOnMainThread();
+  ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
+}
+
+TEST_F(CompilerDispatcherJobTest, CompileFailureToFinalize) {
+  std::string raw_script("() { var a = ");
+  for (int i = 0; i < 1000; i++) {
+    raw_script += "'x' + ";
+  }
+  raw_script += " 'x'; }";
+  ScriptResource script(raw_script.c_str(), strlen(raw_script.c_str()));
+  std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
+      i_isolate(), CreateFunction(i_isolate(), &script), 100));
+
+  job->PrepareToParseOnMainThread();
+  job->Parse();
+  job->FinalizeParsingOnMainThread();
+  job->PrepareToCompileOnMainThread();
+  job->Compile();
+  ASSERT_FALSE(job->FinalizeCompilingOnMainThread());
+  ASSERT_TRUE(job->status() == CompileJobStatus::kFailed);
+  ASSERT_TRUE(i_isolate()->has_pending_exception());
+
+  i_isolate()->clear_pending_exception();
+  job->ResetOnMainThread();
+  ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
+}
+
 }  // namespace internal
 }  // namespace v8