[Isolates] RegExpStack and memory allocation limits (statics #6)

src/isolate.cc

Index: src/isolate.cc
===================================================================
--- src/isolate.cc	(revision 5002)
+++ src/isolate.cc	(working copy)
@@ -37,6 +37,7 @@
 #include "heap-profiler.h"
 #include "isolate.h"
 #include "log.h"
+#include "regexp-stack.h"
 #include "serialize.h"
 #include "scanner.h"
 #include "scopeinfo.h"
@@ -253,7 +254,9 @@
       context_switcher_(NULL),
       thread_manager_(NULL),
       ast_sentinels_(NULL),
+      inline_runtime_functions_table_(NULL),
       string_tracker_(NULL),
+      regexp_stack_(NULL),
       frame_element_constant_list_(0),
       result_constant_list_(0) {
   memset(isolate_addresses_, 0,
@@ -336,6 +339,9 @@
   delete scanner_character_classes_;
   scanner_character_classes_ = NULL;
 
+  delete regexp_stack_;
+  regexp_stack_ = NULL;
+
   delete inline_runtime_functions_table_;
   inline_runtime_functions_table_ = NULL;
 
@@ -448,6 +454,8 @@
   stub_cache_ = new StubCache();
   ast_sentinels_ = new AstSentinels();
   inline_runtime_functions_table_ = new InlineRuntimeFunctionsTable();
+  regexp_stack_ = new RegExpStack();
+  regexp_stack_->isolate_ = this;
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   debugger_ = new Debugger();