Integrate the Irregexp Regular Expression Engine.

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 94d9f2bf04b80860a1eab2f3a560ea240f3f28e5..a6752446d6c0ca98a547bb76574973add3be92db 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -5383,6 +5383,9 @@ const char* Function::KindToCString(RawFunction::Kind kind) {
     case RawFunction::kInvokeFieldDispatcher:
       return "kInvokeFieldDispatcher";
       break;
+    case RawFunction::kIrregexpFunction:
+      return "kIrregexpFunction";
+      break;
     default:
       UNREACHABLE();
       return NULL;
@@ -5468,6 +5471,29 @@ void Function::set_owner(const Object& value) const {
 }
 
 
+RawJSRegExp* Function::regexp() const {
+  ASSERT(kind() == RawFunction::kIrregexpFunction);
+  const Object& obj = Object::Handle(raw_ptr()->data_);
+  return JSRegExp::Cast(obj).raw();
+}
+
+
+void Function::set_regexp(const JSRegExp& value) const {
+  ASSERT(kind() == RawFunction::kIrregexpFunction);
+  ASSERT(raw_ptr()->data_ == Object::null());
+  set_data(value);
+}
+
+
+void Function::set_regexp_cid(intptr_t regexp_cid) const {
+    ASSERT((regexp_cid == kIllegalCid) ||
+           (kind() == RawFunction::kIrregexpFunction));
+    ASSERT((regexp_cid == kIllegalCid) ||
+           RawObject::IsStringClassId(regexp_cid));
+    StoreNonPointer(&raw_ptr()->regexp_cid_, regexp_cid);
+}
+
+
 void Function::set_result_type(const AbstractType& value) const {
   ASSERT(!value.IsNull());
   StorePointer(&raw_ptr()->result_type_, value.raw());
@@ -6148,6 +6174,7 @@ RawFunction* Function::New(const String& name,
   result.set_num_optional_parameters(0);
   result.set_usage_counter(0);
   result.set_deoptimization_counter(0);
+  result.set_regexp_cid(kIllegalCid);
   result.set_optimized_instruction_count(0);
   result.set_optimized_call_site_count(0);
   result.set_is_optimizable(is_native ? false : true);
@@ -6176,6 +6203,7 @@ RawFunction* Function::Clone(const Class& new_owner) const {
   clone.ClearCode();
   clone.set_usage_counter(0);
   clone.set_deoptimization_counter(0);
+  clone.set_regexp_cid(kIllegalCid);
   clone.set_optimized_instruction_count(0);
   clone.set_optimized_call_site_count(0);
   clone.set_ic_data_array(Array::Handle());
@@ -6743,6 +6771,9 @@ const char* Function::ToCString() const {
     case RawFunction::kInvokeFieldDispatcher:
       kind_str = "invoke-field-dispatcher";
       break;
+    case RawFunction::kIrregexpFunction:
+      kind_str = "irregexp-function";
+      break;
     default:
       UNREACHABLE();
   }
@@ -20087,6 +20118,11 @@ void JSRegExp::set_pattern(const String& pattern) const {
 }
 
 
+void JSRegExp::set_function(intptr_t cid, const Function& value) const {
+  StorePointer(FunctionAddr(cid), value.raw());
+}
+
+
 void JSRegExp::set_num_bracket_expressions(intptr_t value) const {
   StoreSmi(&raw_ptr()->num_bracket_expressions_, Smi::New(value));
 }