Change ScriptCompiler::CompileOptions and add d8 --cache.

src/compiler.cc

 // Copyright 2012 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 "src/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 95 matching lines @@
 
 void CompilationInfo::Initialize(Isolate* isolate,
                                  Mode mode,
                                  Zone* zone) {
   isolate_ = isolate;
   function_ = NULL;
   scope_ = NULL;
   global_scope_ = NULL;
   extension_ = NULL;
   cached_data_ = NULL;
-  cached_data_mode_ = NO_CACHED_DATA;
+  compile_options_ = ScriptCompiler::kNoCompileOptions;
   zone_ = zone;
   deferred_handles_ = NULL;
   code_stub_ = NULL;
   prologue_offset_ = Code::kPrologueOffsetNotSet;
   opt_count_ = shared_info().is_null() ? 0 : shared_info()->opt_count();
   no_frame_ranges_ = isolate->cpu_profiler()->is_profiling()
                    ? new List<OffsetRange>(2) : NULL;
   for (int i = 0; i < DependentCode::kGroupCount; i++) {
     dependencies_[i] = NULL;
   }
@@ skipping 665 matching lines @@
 
   // TODO(svenpanne) Obscure place for this, perhaps move to OnBeforeCompile?
   FixedArray* array = isolate->native_context()->embedder_data();
   script->set_context_data(array->get(0));
 
   isolate->debug()->OnBeforeCompile(script);
 
   ASSERT(info->is_eval() || info->is_global());
 
   bool parse_allow_lazy =
-      (info->cached_data_mode() == CONSUME_CACHED_DATA ||
+      (info->compile_options() == ScriptCompiler::kConsumeParserCache ||
        String::cast(script->source())->length() > FLAG_min_preparse_length) &&
       !DebuggerWantsEagerCompilation(info);
 
-  if (!parse_allow_lazy && info->cached_data_mode() != NO_CACHED_DATA) {
+  if (!parse_allow_lazy &&
+      (info->compile_options() == ScriptCompiler::kProduceParserCache ||
+       info->compile_options() == ScriptCompiler::kConsumeParserCache)) {
     // We are going to parse eagerly, but we either 1) have cached data produced
     // by lazy parsing or 2) are asked to generate cached data. We cannot use
     // the existing data, since it won't contain all the symbols we need for
     // eager parsing. In addition, it doesn't make sense to produce the data
     // when parsing eagerly. That data would contain all symbols, but no
     // functions, so it cannot be used to aid lazy parsing later.
-    info->SetCachedData(NULL, NO_CACHED_DATA);
+    info->SetCachedData(NULL, ScriptCompiler::kNoCompileOptions);
   }
 
   Handle<SharedFunctionInfo> result;
 
   { VMState<COMPILER> state(info->isolate());
     if (!Parser::Parse(info, parse_allow_lazy)) {
       return Handle<SharedFunctionInfo>::null();
     }
 
     FunctionLiteral* lit = info->function();
@@ skipping 100 matching lines @@
   } else if (shared_info->ic_age() != isolate->heap()->global_ic_age()) {
     shared_info->ResetForNewContext(isolate->heap()->global_ic_age());
   }
 
   return isolate->factory()->NewFunctionFromSharedFunctionInfo(
       shared_info, context, NOT_TENURED);
 }
 
 
 Handle<SharedFunctionInfo> Compiler::CompileScript(
-    Handle<String> source,
-    Handle<Object> script_name,
-    int line_offset,
-    int column_offset,
-    bool is_shared_cross_origin,
-    Handle<Context> context,
-    v8::Extension* extension,
-    ScriptData** cached_data,
-    CachedDataMode cached_data_mode,
-    NativesFlag natives) {
-  if (cached_data_mode == NO_CACHED_DATA) {
+    Handle<String> source, Handle<Object> script_name, int line_offset,
+    int column_offset, bool is_shared_cross_origin, Handle<Context> context,
+    v8::Extension* extension, ScriptData** cached_data,
+    ScriptCompiler::CompileOptions compile_options, NativesFlag natives) {
+  if (compile_options == ScriptCompiler::kNoCompileOptions) {
     cached_data = NULL;
-  } else if (cached_data_mode == PRODUCE_CACHED_DATA) {
+  } else if (compile_options == ScriptCompiler::kProduceParserCache ||
+             compile_options == ScriptCompiler::kProduceCodeCache) {
     ASSERT(cached_data && !*cached_data);
     ASSERT(extension == NULL);
   } else {
-    ASSERT(cached_data_mode == CONSUME_CACHED_DATA);
+    ASSERT(compile_options == ScriptCompiler::kConsumeParserCache ||
+           compile_options == ScriptCompiler::kConsumeCodeCache);
     ASSERT(cached_data && *cached_data);
     ASSERT(extension == NULL);
   }
   Isolate* isolate = source->GetIsolate();
   int source_length = source->length();
   isolate->counters()->total_load_size()->Increment(source_length);
   isolate->counters()->total_compile_size()->Increment(source_length);
 
   CompilationCache* compilation_cache = isolate->compilation_cache();
 
   // Do a lookup in the compilation cache but not for extensions.
   MaybeHandle<SharedFunctionInfo> maybe_result;
   Handle<SharedFunctionInfo> result;
   if (extension == NULL) {
     maybe_result = compilation_cache->LookupScript(
         source, script_name, line_offset, column_offset,
         is_shared_cross_origin, context);
     if (maybe_result.is_null() && FLAG_serialize_toplevel &&
-        cached_data_mode == CONSUME_CACHED_DATA) {
+        compile_options == ScriptCompiler::kConsumeCodeCache) {
       Object* des = CodeSerializer::Deserialize(isolate, *cached_data);
       return handle(SharedFunctionInfo::cast(des), isolate);
     }
   }
 
   if (!maybe_result.ToHandle(&result)) {
     // No cache entry found. Compile the script.
 
     // Create a script object describing the script to be compiled.
     Handle<Script> script = isolate->factory()->NewScript(source);
     if (natives == NATIVES_CODE) {
       script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
     }
     if (!script_name.is_null()) {
       script->set_name(*script_name);
       script->set_line_offset(Smi::FromInt(line_offset));
       script->set_column_offset(Smi::FromInt(column_offset));
     }
     script->set_is_shared_cross_origin(is_shared_cross_origin);
 
     // Compile the function and add it to the cache.
     CompilationInfoWithZone info(script);
     info.MarkAsGlobal();
-    info.SetCachedData(cached_data, cached_data_mode);
+    info.SetCachedData(cached_data, compile_options);
     info.SetExtension(extension);
     info.SetContext(context);
-    if (FLAG_serialize_toplevel && cached_data_mode == PRODUCE_CACHED_DATA) {
+    if (FLAG_serialize_toplevel &&
+        compile_options == ScriptCompiler::kProduceCodeCache) {
       info.PrepareForSerializing();
     }
     if (FLAG_use_strict) info.SetStrictMode(STRICT);
 
     result = CompileToplevel(&info);
     if (extension == NULL && !result.is_null() && !result->dont_cache()) {
       compilation_cache->PutScript(source, context, result);
-      if (FLAG_serialize_toplevel && cached_data_mode == PRODUCE_CACHED_DATA) {
+      if (FLAG_serialize_toplevel &&
+          compile_options == ScriptCompiler::kProduceCodeCache) {
         *cached_data = CodeSerializer::Serialize(result);
       }
     }
+
     if (result.is_null()) isolate->ReportPendingMessages();
   } else if (result->ic_age() != isolate->heap()->global_ic_age()) {
     result->ResetForNewContext(isolate->heap()->global_ic_age());
   }
   return result;
 }
 
 
 Handle<SharedFunctionInfo> Compiler::BuildFunctionInfo(FunctionLiteral* literal,
                                                        Handle<Script> script) {
@@ skipping 318 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal