[counters] Implement off-isolate RuntimeCallStats for the Preparser

src/parsing/preparser.cc

 // Copyright 2011 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 <cmath>
 
 #include "src/allocation.h"
 #include "src/base/logging.h"
 #include "src/conversions-inl.h"
 #include "src/conversions.h"
@@ skipping 68 matching lines @@
     const AstRawString* result = scanner()->CurrentSymbol(ast_value_factory());
     DCHECK_NOT_NULL(result);
     symbol.string_ = result;
   }
   return symbol;
 }
 
 PreParser::PreParseResult PreParser::PreParseFunction(
     FunctionKind kind, DeclarationScope* function_scope, bool parsing_module,
     bool is_inner_function, bool may_abort, int* use_counts) {
+  RuntimeCallTimerScope runtime_timer(
+      runtime_call_stats_,
+      track_unresolved_variables_
+          ? &RuntimeCallStats::PreParseWithVariableResolution
+          : &RuntimeCallStats::PreParseNoVariableResolution);
   DCHECK_EQ(FUNCTION_SCOPE, function_scope->scope_type());
   parsing_module_ = parsing_module;
   use_counts_ = use_counts;
   DCHECK(!track_unresolved_variables_);
   track_unresolved_variables_ = is_inner_function;
 
   // The caller passes the function_scope which is not yet inserted into the
   // scope_state_. All scopes above the function_scope are ignored by the
   // PreParser.
   DCHECK_NULL(scope_state_);
@@ skipping 73 matching lines @@
 // That means that contextual checks (like a label being declared where
 // it is used) are generally omitted.
 
 PreParser::Expression PreParser::ParseFunctionLiteral(
     Identifier function_name, Scanner::Location function_name_location,
     FunctionNameValidity function_name_validity, FunctionKind kind,
     int function_token_pos, FunctionLiteral::FunctionType function_type,
     LanguageMode language_mode, bool* ok) {
   // Function ::
   //   '(' FormalParameterList? ')' '{' FunctionBody '}'
+  RuntimeCallTimerScope runtime_timer(
+      runtime_call_stats_,
+      track_unresolved_variables_
+          ? &RuntimeCallStats::PreParseWithVariableResolution
+          : &RuntimeCallStats::PreParseNoVariableResolution);
 
   // Parse function body.
   PreParserStatementList body;
   DeclarationScope* function_scope = NewFunctionScope(kind);
   function_scope->SetLanguageMode(language_mode);
   FunctionState function_state(&function_state_, &scope_state_, function_scope);
   DuplicateFinder duplicate_finder(scanner()->unicode_cache());
   ExpressionClassifier formals_classifier(this, &duplicate_finder);
 
   Expect(Token::LPAREN, CHECK_OK);
@@ skipping 97 matching lines @@
     }
   }
 }
 
 #undef CHECK_OK
 #undef CHECK_OK_CUSTOM
 
 
 }  // namespace internal
 }  // namespace v8