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 5825d87cf6cbf8e05343b6e04ad745a60ab4018d..5987b154f82d5126b4e7286158d5f333cb03d8bc 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -5381,6 +5381,9 @@ const char* Function::KindToCString(RawFunction::Kind kind) {
     case RawFunction::kInvokeFieldDispatcher:
       return "kInvokeFieldDispatcher";
       break;
+    case RawFunction::kIrregexpFunction:
+      return "kIrregexpFunction";
+      break;
     default:
       UNREACHABLE();
       return NULL;
@@ -5466,6 +5469,12 @@ void Function::set_owner(const Object& value) const {
 }
 
 
+void Function::set_regexp(const JSRegExp& value) const {
+  ASSERT(!value.IsNull());
+  StorePointer(&raw_ptr()->regexp_, value.raw());
+}
+
+
 void Function::set_result_type(const AbstractType& value) const {
   ASSERT(!value.IsNull());
   StorePointer(&raw_ptr()->result_type_, value.raw());
@@ -6782,6 +6791,9 @@ const char* Function::ToCString() const {
     case RawFunction::kInvokeFieldDispatcher:
       kind_str = "invoke-field-dispatcher";
       break;
+    case RawFunction::kIrregexpFunction:
+      kind_str = "irregexp-function";
+      break;
     default:
       UNREACHABLE();
   }
@@ -10441,6 +10453,7 @@ void Library::CheckFunctionFingerprints() {
 
   all_libs.Add(&Library::ZoneHandle(Library::CoreLibrary()));
   CORE_LIB_INTRINSIC_LIST(CHECK_FINGERPRINTS);
+  CORE_REGEXP_LIB_INTRINSIC_LIST(CHECK_FINGERPRINTS);
   CORE_INTEGER_LIB_INTRINSIC_LIST(CHECK_FINGERPRINTS);
 
   all_libs.Add(&Library::ZoneHandle(Library::MathLibrary()));
@@ -20032,6 +20045,41 @@ void JSRegExp::set_pattern(const String& pattern) const {
 }
 
 
+void JSRegExp::set_function(intptr_t cid, const Function& value) {
+  RawFunction** dest = NULL;
+  switch (cid) {
+    case kOneByteStringCid: dest = &raw_ptr()->one_byte_function_; break;
+    case kTwoByteStringCid: dest = &raw_ptr()->two_byte_function_; break;
+    case kExternalOneByteStringCid:
+      dest = &raw_ptr()->external_one_byte_function_; break;
+    case kExternalTwoByteStringCid:
+      dest = &raw_ptr()->external_two_byte_function_; break;
+    default: UNREACHABLE();
+  }
+  ASSERT(dest != NULL);
+
+  StorePointer(dest, value.raw());
+}
+
+
+void JSRegExp::set_sample_subject(intptr_t cid, const String& value) const {
+  RawString** dest = NULL;
+  switch (cid) {
+    case kOneByteStringCid: dest = &raw_ptr()->one_byte_subject_; break;
+    case kTwoByteStringCid: dest = &raw_ptr()->two_byte_subject_; break;
+    case kExternalOneByteStringCid:
+      dest = &raw_ptr()->external_one_byte_subject_; break;
+    case kExternalTwoByteStringCid:
+      dest = &raw_ptr()->external_two_byte_subject_; break;
+    default: UNREACHABLE();
+  }
+  ASSERT(dest != NULL);
+
+  StorePointer(dest, value.raw());
+}
+
+
+
 void JSRegExp::set_num_bracket_expressions(intptr_t value) const {
   raw_ptr()->num_bracket_expressions_ = Smi::New(value);
 }