Use zone when allocating handles in FlowGraphCompiler assembling operations. Add profiling VM tags…

runtime/vm/parser.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/parser.h"
 
 #include "lib/invocation_mirror.h"
 #include "platform/utils.h"
 #include "vm/ast_transformer.h"
 #include "vm/bootstrap.h"
@@ skipping 30 matching lines @@
 DEFINE_FLAG(bool, enable_mirrors, true,
     "Disable to make importing dart:mirrors an error.");
 DEFINE_FLAG(bool, load_deferred_eagerly, false,
     "Load deferred libraries eagerly.");
 DEFINE_FLAG(bool, trace_parser, false, "Trace parser operations.");
 DEFINE_FLAG(bool, supermixin, false, "Allow super calls in mixins.");
 DEFINE_FLAG(bool, warn_mixin_typedef, true, "Warning on legacy mixin typedef.");
 
 DECLARE_FLAG(bool, lazy_dispatchers);
 DECLARE_FLAG(bool, load_deferred_eagerly);
+DECLARE_FLAG(bool, profile_vm);
 DECLARE_FLAG(bool, throw_on_javascript_int_overflow);
 DECLARE_FLAG(bool, warn_on_javascript_compatibility);
 
 // Quick access to the current isolate and zone.
 #define I (isolate())
 #define Z (zone())
 
 
 #if defined(DEBUG)
 class TraceParser : public ValueObject {
@@ skipping 768 matching lines @@
   UNREACHABLE();
   return Object::null();
 }
 
 
 void Parser::ParseFunction(ParsedFunction* parsed_function) {
   Isolate* isolate = parsed_function->isolate();
   Zone* zone = parsed_function->zone();
   CSTAT_TIMER_SCOPE(isolate, parser_timer);
   INC_STAT(isolate, num_functions_compiled, 1);
+  VMTagScope tagScope(isolate, VMTag::kCompileParseFunctionTagId,
+                      FLAG_profile_vm);
+
   ASSERT(isolate->long_jump_base()->IsSafeToJump());
   ASSERT(parsed_function != NULL);
   const Function& func = parsed_function->function();
   const Script& script = Script::Handle(zone, func.script());
   Parser parser(script, parsed_function, func.token_pos());
   SequenceNode* node_sequence = NULL;
   Array& default_parameter_values = Array::ZoneHandle(zone, Array::null());
   switch (func.kind()) {
     case RawFunction::kClosureFunction:
       if (func.IsImplicitClosureFunction()) {
@@ skipping 12963 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart