Get rid of ParseInfo::lazy

BUG=v8:5501

Review-Url: https://codereview.chromium.org/2406803003
Cr-Commit-Position: refs/heads/master@{#40160}

src/background-parsing-task.cc

@@ -31,6 +31,7 @@ BackgroundParsingTask::BackgroundParsingTask(
   // will happen in the main thread after parsing.
   Zone* zone = new Zone(isolate->allocator());
   ParseInfo* info = new ParseInfo(zone);
+  info->set_toplevel();
   source->zone.reset(zone);
   source->info.reset(info);
   info->set_isolate(isolate);

src/compiler-dispatcher/compiler-dispatcher-job.cc

@@ -66,7 +66,6 @@ void CompilerDispatcherJob::PrepareToParseOnMainThread() {
   parse_info_.reset(new ParseInfo(zone_.get()));
   parse_info_->set_isolate(isolate_);
   parse_info_->set_character_stream(character_stream_.get());
-  parse_info_->set_lazy();
   parse_info_->set_hash_seed(isolate_->heap()->HashSeed());
   parse_info_->set_is_named_expression(shared_->is_named_expression());
   parse_info_->set_compiler_hints(shared_->compiler_hints());

src/compiler.cc

@@ -709,7 +709,6 @@ MaybeHandle<Code> GetOptimizedCode(Handle<JSFunction> function,
     parse_info->set_eval();
     parse_info->set_toplevel();
     parse_info->set_allow_lazy_parsing(false);
-    parse_info->set_lazy(false);
   }
 
   // Verify that OSR compilations are delegated to the correct graph builder.
@@ -1252,7 +1251,6 @@ bool Compiler::CompileDebugCode(Handle<JSFunction> function) {
     parse_info.set_eval();
     parse_info.set_toplevel();
     parse_info.set_allow_lazy_parsing(false);
-    parse_info.set_lazy(false);
   }
   info.MarkAsDebug();
   if (GetUnoptimizedCode(&info).is_null()) {
@@ -1279,7 +1277,6 @@ bool Compiler::CompileDebugCode(Handle<SharedFunctionInfo> shared) {
     parse_info.set_eval();
     parse_info.set_toplevel();
     parse_info.set_allow_lazy_parsing(false);
-    parse_info.set_lazy(false);
   }
   info.MarkAsDebug();
   if (GetUnoptimizedCode(&info).is_null()) {

src/parsing/parse-info.cc

@@ -38,7 +38,6 @@ ParseInfo::ParseInfo(Zone* zone, Handle<SharedFunctionInfo> shared)
     : ParseInfo(zone) {
   isolate_ = shared->GetIsolate();
 
-  set_lazy();
   set_hash_seed(isolate_->heap()->HashSeed());
   set_is_named_expression(shared->is_named_expression());
   set_calls_eval(shared->scope_info()->CallsEval());

src/parsing/parse-info.h

@@ -45,7 +45,6 @@ class ParseInfo {
   void setter(bool val) { SetFlag(flag, val); }
 
   FLAG_ACCESSOR(kToplevel, is_toplevel, set_toplevel)
-  FLAG_ACCESSOR(kLazy, is_lazy, set_lazy)
   FLAG_ACCESSOR(kEval, is_eval, set_eval)
   FLAG_ACCESSOR(kStrictMode, is_strict_mode, set_strict_mode)
   FLAG_ACCESSOR(kNative, is_native, set_native)

src/parsing/parser.cc

@@ -3828,13 +3828,9 @@ bool Parser::Parse(ParseInfo* info) {
   Isolate* isolate = info->isolate();
   pre_parse_timer_ = isolate->counters()->pre_parse();
 
-  if (info->is_lazy()) {
+  if (!info->shared_info().is_null() && info->shared_info()->is_function()) {
     DCHECK(!info->is_eval());
-    if (info->shared_info()->is_function()) {
-      result = ParseLazy(isolate, info);
-    } else {
-      result = ParseProgram(isolate, info);
-    }
+    result = ParseLazy(isolate, info);
   } else {
     SetCachedData(info);
     result = ParseProgram(isolate, info);
@@ -3876,12 +3872,12 @@ void Parser::ParseOnBackground(ParseInfo* info) {
   // don't). We work around this by storing all the scopes which need their end
   // position set at the end of the script (the top scope and possible eval
   // scopes) and set their end position after we know the script length.
-  if (info->is_lazy()) {
-    result = DoParseLazy(info, info->function_name(), stream_ptr);
-  } else {
+  if (info->is_toplevel()) {
     fni_ = new (zone()) FuncNameInferrer(ast_value_factory(), zone());
     scanner_.Initialize(stream_ptr);
     result = DoParseProgram(info);
+  } else {
+    result = DoParseLazy(info, info->function_name(), stream_ptr);
   }
 
   info->set_literal(result);

test/cctest/asmjs/test-asm-typer.cc

@@ -52,7 +52,6 @@ class AsmTyperHarnessBuilder {
             factory_->NewStringFromUtf8(CStrVector(source)).ToHandleChecked()),
         script_(factory_->NewScript(source_code_)) {
     ParseInfo info(zone_, script_);
-    info.set_lazy(false);
     info.set_allow_lazy_parsing(false);
     info.set_toplevel(true);
     info.set_ast_value_factory(&ast_value_factory_);

test/cctest/test-parsing.cc

@@ -913,7 +913,6 @@ static void CheckParsesToNumber(const char* source, bool with_dot) {
 
   i::ParseInfo info(handles.main_zone(), script);
   i::Parser parser(&info);
-  info.set_lazy(false);
   info.set_allow_lazy_parsing(false);
   info.set_toplevel(true);