Fixed compilation time measurement, restructure some code.

runtime/vm/code_generator_ia32.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/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/code_generator.h"
 
 #include "lib/error.h"
@@ skipping 54 matching lines @@
       locals_space_size_(-1),
       state_(NULL),
       pc_descriptors_list_(NULL),
       stackmap_builder_(NULL),
       exception_handlers_list_(NULL),
       try_index_(CatchClauseNode::kInvalidTryIndex),
       context_level_(0) {
   ASSERT(assembler_ != NULL);
   ASSERT(parsed_function.node_sequence() != NULL);
   ASSERT(Isolate::Current()->long_jump_base()->IsSafeToJump());
+}
+
+
+void CodeGenerator::InitGenerator() {
   pc_descriptors_list_ = new DescriptorList();
   // We do not build any stack maps in the unoptimizing compiler.
   exception_handlers_list_ = new ExceptionHandlerList();
 }
 
 
 void CodeGenerator::IntrinsifyGetter() {
   // TOS: return address.
   // +1 : receiver.
   // Sequence node has one return node, its input is oad field node.
@@ skipping 56 matching lines @@
 
 
 bool CodeGenerator::IsResultNeeded(AstNode* node) const {
   return !state()->IsRootNode(node);
 }
 
 
 // NOTE: First 5 bytes of the code may be patched with a jump instruction. Do
 // not emit any objects in the first 5 bytes.
 void CodeGenerator::GenerateCode() {
+  InitGenerator();
   CodeGeneratorState codegen_state(this);
   if (FLAG_print_scopes && FLAG_print_ast) {
     // Print the function scope before code generation.
     AstPrinter::PrintFunctionScope(parsed_function_);
   }
   if (FLAG_print_ast) {
     // Print the function ast before code generation.
     AstPrinter::PrintFunctionNodes(parsed_function_);
   }
   if (FLAG_trace_functions) {
@@ skipping 2793 matching lines @@
   const Error& error = Error::Handle(
       Parser::FormatError(script, token_index, "Error", format, args));
   va_end(args);
   Isolate::Current()->long_jump_base()->Jump(1, error);
   UNREACHABLE();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32