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 cd72ed11b146e53a90295474bfa349d7dd73289c..4c3bad73a00866e6950e86937a1017c054beb66a 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -5359,6 +5359,9 @@ const char* Function::KindToCString(RawFunction::Kind kind) {
     case RawFunction::kInvokeFieldDispatcher:
       return "kInvokeFieldDispatcher";
       break;
+    case RawFunction::kIrregexpFunction:
+      return "kIrregexpFunction";
+      break;
     default:
       UNREACHABLE();
       return NULL;
@@ -5444,6 +5447,30 @@ void Function::set_owner(const Object& value) const {
 }
 
 
+RawJSRegExp* Function::regexp() const {
+  ASSERT(kind() == RawFunction::kIrregexpFunction);
+  const Object& obj = Object::Handle(raw_ptr()->data_);
+  ASSERT(obj.IsJSRegExp());

[Ivan Posva, 2014/11/05 07:55:09]

The Cast below is executing this assertion exactly. A verified cast (in debug)
is why we added that Cast function.

[zerny-google, 2014/11/05 11:51:59]

Removed the assert.

+  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());
@@ -6124,6 +6151,7 @@ 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);
@@ -6152,6 +6180,7 @@ 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());
@@ -6704,6 +6733,9 @@ const char* Function::ToCString() const {
     case RawFunction::kInvokeFieldDispatcher:
       kind_str = "invoke-field-dispatcher";
       break;
+    case RawFunction::kIrregexpFunction:
+      kind_str = "irregexp-function";
+      break;
     default:
       UNREACHABLE();
   }
@@ -10380,6 +10412,7 @@ 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()));
@@ -19974,6 +20007,11 @@ 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));
 }