Port and integrate the irregexp engine from V8

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 9aa608c320ec47ea176a438f2fc2dd21524ee0e7..c189fd8d7c32495415ca0b65f6e4119b3274c782 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -6741,6 +6741,9 @@ const char* Function::ToCString() const {
     case RawFunction::kInvokeFieldDispatcher:
       kind_str = "invoke-field-dispatcher";
       break;
+    case RawFunction::kIrregexpFunction:

[Florian Schneider, 2014/09/16 11:11:48]

Check for other places where you need to add a case for the new kind. 

[jgruber1, 2014/09/22 18:58:04]

Done.

+      kind_str = "irregexp-function";
+      break;
     default:
       UNREACHABLE();
   }
@@ -19271,6 +19274,16 @@ const char* Stacktrace::ToCStringInternal(intptr_t* frame_index,
 }
 
 
+void JSRegExp::set_one_byte_function(const Function& function) {
+  StorePointer(&raw_ptr()->one_byte_function_, function.raw());
+}
+
+
+void JSRegExp::set_two_byte_function(const Function& function) {
+  StorePointer(&raw_ptr()->two_byte_function_, function.raw());
+}
+
+
 void JSRegExp::set_pattern(const String& pattern) const {
   StorePointer(&raw_ptr()->pattern_, pattern.raw());
 }