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Unified Diff: runtime/vm/dart_api_impl.cc

Issue 10693071: Use VM type cast and save handles. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 6 months ago
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Index: runtime/vm/dart_api_impl.cc
===================================================================
--- runtime/vm/dart_api_impl.cc (revision 9306)
+++ runtime/vm/dart_api_impl.cc (working copy)
@@ -42,19 +42,19 @@
}
}
-#define RETURN_TYPE_ERROR(isolate, dart_handle, Type) \
- do { \
- const Object& tmp = \
- Object::Handle(isolate, Api::UnwrapHandle((dart_handle))); \
- if (tmp.IsNull()) { \
- return Api::NewError("%s expects argument '%s' to be non-null.", \
- CURRENT_FUNC, #dart_handle); \
- } else if (tmp.IsError()) { \
- return dart_handle; \
- } else { \
- return Api::NewError("%s expects argument '%s' to be of type %s.", \
- CURRENT_FUNC, #dart_handle, #Type); \
- } \
+#define RETURN_TYPE_ERROR(isolate, dart_handle, type) \
+ do { \
+ const Object& tmp = \
+ Object::Handle(isolate, Api::UnwrapHandle((dart_handle))); \
+ if (tmp.IsNull()) { \
+ return Api::NewError("%s expects argument '%s' to be non-null.", \
+ CURRENT_FUNC, #dart_handle); \
+ } else if (tmp.IsError()) { \
+ return dart_handle; \
+ } else { \
+ return Api::NewError("%s expects argument '%s' to be of type %s.", \
+ CURRENT_FUNC, #dart_handle, #type); \
+ } \
} while (0)
@@ -124,15 +124,14 @@
return *(reinterpret_cast<RawObject**>(object));
}
-#define DEFINE_UNWRAP(Type) \
- const Type& Api::Unwrap##Type##Handle(Isolate* iso, \
- Dart_Handle dart_handle) { \
- const Object& tmp = Object::Handle(iso, Api::UnwrapHandle(dart_handle)); \
- Type& typed_handle = Type::Handle(iso); \
- if (tmp.Is##Type()) { \
- typed_handle ^= tmp.raw(); \
- } \
- return typed_handle; \
+#define DEFINE_UNWRAP(type) \
+ const type& Api::Unwrap##type##Handle(Isolate* iso, \
+ Dart_Handle dart_handle) { \
+ const Object& obj = Object::Handle(iso, Api::UnwrapHandle(dart_handle)); \
+ if (obj.Is##type()) { \
+ return type::Cast(obj); \
+ } \
+ return type::Handle(iso); \
}
CLASS_LIST_NO_OBJECT(DEFINE_UNWRAP)
#undef DEFINE_UNWRAP
@@ -292,8 +291,7 @@
DARTSCOPE(isolate);
const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(handle));
if (obj.IsError()) {
- Error& error = Error::Handle(isolate);
- error ^= obj.raw();
+ const Error& error = Error::Cast(obj);
const char* str = error.ToErrorCString();
intptr_t len = strlen(str) + 1;
char* str_copy = reinterpret_cast<char*>(Api::Allocate(isolate, len));
@@ -322,8 +320,7 @@
DARTSCOPE(isolate);
const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(handle));
if (obj.IsUnhandledException()) {
- UnhandledException& error = UnhandledException::Handle(isolate);
- error ^= obj.raw();
+ const UnhandledException& error = UnhandledException::Cast(obj);
return Api::NewHandle(isolate, error.exception());
} else if (obj.IsError()) {
return Api::NewError("This error is not an unhandled exception error.");
@@ -338,8 +335,7 @@
DARTSCOPE(isolate);
const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(handle));
if (obj.IsUnhandledException()) {
- UnhandledException& error = UnhandledException::Handle(isolate);
- error ^= obj.raw();
+ const UnhandledException& error = UnhandledException::Cast(obj);
return Api::NewHandle(isolate, error.stacktrace());
} else if (obj.IsError()) {
return Api::NewError("This error is not an unhandled exception error.");
@@ -449,8 +445,7 @@
if (obj.IsString()) {
return Api::NewHandle(isolate, obj.raw());
} else if (obj.IsInstance()) {
- Instance& receiver = Instance::Handle(isolate);
- receiver ^= obj.raw();
+ const Instance& receiver = Instance::Cast(obj);
return Api::NewHandle(isolate, DartLibraryCalls::ToString(receiver));
} else {
// This is a VM internal object. Call the C++ method of printing.
@@ -1144,9 +1139,7 @@
const Object& result =
Object::Handle(isolate, DartLibraryCalls::Equals(expected, actual));
if (result.IsBool()) {
- Bool& b = Bool::Handle(isolate);
- b ^= result.raw();
- *value = b.value();
+ *value = Bool::Cast(result).value();
return Api::Success(isolate);
} else if (result.IsError()) {
return Api::NewHandle(isolate, result.raw());
@@ -1177,19 +1170,22 @@
"%s expects argument 'object' to be an instance of Object.",
CURRENT_FUNC);
}
-
- Instance& instance = Instance::Handle(isolate);
- instance ^= obj.raw();
// Finalize all classes.
const char* msg = CheckIsolateState(isolate);
if (msg != NULL) {
return Api::NewError(msg);
}
- const Type& type = Type::Handle(isolate, Type::NewNonParameterizedType(cls));
- Error& malformed_type_error = Error::Handle(isolate);
- *value = instance.IsInstanceOf(
- type, TypeArguments::Handle(isolate), &malformed_type_error);
- ASSERT(malformed_type_error.IsNull()); // Type was created here from a class.
+ if (obj.IsInstance()) {
+ const Type& type = Type::Handle(isolate,
+ Type::NewNonParameterizedType(cls));
+ Error& malformed_type_error = Error::Handle(isolate);
+ *value = Instance::Cast(obj).IsInstanceOf(type,
+ TypeArguments::Handle(isolate),
+ &malformed_type_error);
+ ASSERT(malformed_type_error.IsNull()); // Type was created from a class.
+ } else {
+ *value = false;
+ }
return Api::Success(isolate);
}
@@ -1249,12 +1245,7 @@
if (int_obj.IsNull()) {
RETURN_TYPE_ERROR(isolate, integer, Integer);
}
- ASSERT(int_obj.IsBigint());
-#if defined(DEBUG)
- Bigint& bigint = Bigint::Handle(isolate);
- bigint ^= int_obj.raw();
- ASSERT(!BigintOperations::FitsIntoMint(bigint));
-#endif
+ ASSERT(!BigintOperations::FitsIntoMint(Bigint::Cast(int_obj)));
*fits = false;
return Api::Success(isolate);
}
@@ -1278,10 +1269,7 @@
if (int_obj.IsSmi() || int_obj.IsMint()) {
*fits = !int_obj.IsNegative();
} else {
- ASSERT(int_obj.IsBigint());
- Bigint& bigint = Bigint::Handle(isolate);
- bigint ^= int_obj.raw();
- *fits = BigintOperations::FitsIntoUint64(bigint);
+ *fits = BigintOperations::FitsIntoUint64(Bigint::Cast(int_obj));
}
return Api::Success(isolate);
}
@@ -1328,9 +1316,7 @@
*value = int_obj.AsInt64Value();
return Api::Success(isolate);
} else {
- ASSERT(int_obj.IsBigint());
- Bigint& bigint = Bigint::Handle(isolate);
- bigint ^= int_obj.raw();
+ const Bigint& bigint = Bigint::Cast(int_obj);
if (BigintOperations::FitsIntoMint(bigint)) {
*value = BigintOperations::ToMint(bigint);
return Api::Success(isolate);
@@ -1365,9 +1351,7 @@
return Api::Success(isolate);
}
} else {
- ASSERT(int_obj.IsBigint());
- Bigint& bigint = Bigint::Handle(isolate);
- bigint ^= int_obj.raw();
+ const Bigint& bigint = Bigint::Cast(int_obj);
if (BigintOperations::FitsIntoUint64(bigint)) {
*value = BigintOperations::ToUint64(bigint);
return Api::Success(isolate);
@@ -1391,14 +1375,12 @@
if (int_obj.IsNull()) {
RETURN_TYPE_ERROR(isolate, integer, Integer);
}
- Bigint& bigint = Bigint::Handle(isolate);
if (int_obj.IsSmi() || int_obj.IsMint()) {
- bigint ^= BigintOperations::NewFromInt64(int_obj.AsInt64Value());
+ const Bigint& bigint = Bigint::Handle(isolate,
+ BigintOperations::NewFromInt64(int_obj.AsInt64Value()));
*value = BigintOperations::ToHexCString(bigint, ApiAllocate);
} else {
- ASSERT(int_obj.IsBigint());
- bigint ^= int_obj.raw();
- *value = BigintOperations::ToHexCString(bigint, ApiAllocate);
+ *value = BigintOperations::ToHexCString(Bigint::Cast(int_obj), ApiAllocate);
}
return Api::Success(isolate);
}
@@ -1743,8 +1725,7 @@
static RawInstance* GetListInstance(Isolate* isolate, const Object& obj) {
if (obj.IsInstance()) {
- Instance& instance = Instance::Handle(isolate);
- instance ^= obj.raw();
+ const Instance& instance = Instance::Cast(obj);
const Type& type =
Type::Handle(isolate, isolate->object_store()->list_interface());
Error& malformed_type_error = Error::Handle(isolate);
@@ -1822,13 +1803,10 @@
isolate,
DartEntry::InvokeDynamic(instance, function, args, kNoArgumentNames));
if (retval.IsSmi() || retval.IsMint()) {
- Integer& integer = Integer::Handle(isolate);
- integer ^= retval.raw();
- *len = integer.AsInt64Value();
+ *len = Integer::Cast(retval).AsInt64Value();
return Api::Success(isolate);
} else if (retval.IsBigint()) {
- Bigint& bigint = Bigint::Handle(isolate);
- bigint ^= retval.raw();
+ const Bigint& bigint = Bigint::Cast(retval);
if (BigintOperations::FitsIntoMint(bigint)) {
*len = BigintOperations::ToMint(bigint);
return Api::Success(isolate);
@@ -1845,8 +1823,7 @@
#define GET_LIST_ELEMENT(isolate, type, obj, index) \
- type& array_obj = type::Handle(isolate); \
- array_obj ^= obj.raw(); \
+ const type& array_obj = type::Cast(obj); \
if ((index >= 0) && (index < array_obj.Length())) { \
return Api::NewHandle(isolate, array_obj.At(index)); \
} \
@@ -1887,8 +1864,7 @@
#define SET_LIST_ELEMENT(isolate, type, obj, index, value) \
- type& array = type::Handle(isolate); \
- array ^= obj.raw(); \
+ const type& array = type::Cast(obj); \
const Object& value_obj = Object::Handle(isolate, Api::UnwrapHandle(value)); \
if ((index >= 0) && (index < array.Length())) { \
array.SetAt(index, value_obj); \
@@ -1940,18 +1916,16 @@
// TODO(hpayer): value should always be smaller then 0xff. Add error handling.
#define GET_LIST_ELEMENT_AS_BYTES(isolate, type, obj, native_array, offset, \
length) \
- type& array = type::Handle(isolate); \
- array ^= obj.raw(); \
+ const type& array = type::Cast(obj); \
if (Utils::RangeCheck(offset, length, array.Length())) { \
Object& element = Object::Handle(isolate); \
- Integer& integer = Integer::Handle(isolate); \
for (int i = 0; i < length; i++) { \
element = array.At(offset + i); \
if (!element.IsInteger()) { \
return Api::NewError("%s expects the argument 'list' to be " \
"a List of int", CURRENT_FUNC); \
} \
- integer ^= element.raw(); \
+ const Integer& integer = Integer::Cast(element); \
native_array[i] = static_cast<uint8_t>(integer.AsInt64Value() & 0xff); \
ASSERT(integer.AsInt64Value() <= 0xff); \
} \
@@ -1968,8 +1942,7 @@
DARTSCOPE(isolate);
const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(list));
if (obj.IsUint8Array() || obj.IsExternalUint8Array()) {
- ByteArray& byte_array = ByteArray::Handle(isolate);
- byte_array ^= obj.raw();
+ const ByteArray& byte_array = ByteArray::Cast(obj);
if (Utils::RangeCheck(offset, length, byte_array.Length())) {
ByteArray::Copy(native_array, byte_array, offset, length);
return Api::Success(isolate);
@@ -2016,11 +1989,12 @@
return Api::NewError("%s expects the argument 'list' to be "
"a List of int", CURRENT_FUNC);
}
- intobj ^= result.raw();
- ASSERT(intobj.AsInt64Value() <= 0xff);
+ const Integer& integer_result = Integer::Cast(result);
+ ASSERT(integer_result.AsInt64Value() <= 0xff);
// TODO(hpayer): value should always be smaller then 0xff. Add error
// handling.
- native_array[i] = static_cast<uint8_t>(intobj.AsInt64Value() & 0xff);
+ native_array[i] =
+ static_cast<uint8_t>(integer_result.AsInt64Value() & 0xff);
}
return Api::Success(isolate);
}
@@ -2031,8 +2005,7 @@
#define SET_LIST_ELEMENT_AS_BYTES(isolate, type, obj, native_array, offset, \
length) \
- type& array = type::Handle(isolate); \
- array ^= obj.raw(); \
+ const type& array = type::Cast(obj); \
Integer& integer = Integer::Handle(isolate); \
if (Utils::RangeCheck(offset, length, array.Length())) { \
for (int i = 0; i < length; i++) { \
@@ -2052,8 +2025,7 @@
DARTSCOPE(isolate);
const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(list));
if (obj.IsUint8Array() || obj.IsExternalUint8Array()) {
- ByteArray& byte_array = ByteArray::Handle(isolate);
- byte_array ^= obj.raw();
+ const ByteArray& byte_array = ByteArray::Cast(obj);
if (Utils::RangeCheck(offset, length, byte_array.Length())) {
ByteArray::Copy(byte_array, offset, native_array, length);
return Api::Success(isolate);
@@ -2368,8 +2340,7 @@
ASSERT(ClassFinalizer::AllClassesFinalized());
// Now try to invoke the closure.
- Closure& closure_obj = Closure::Handle(isolate);
- closure_obj ^= obj.raw();
+ const Closure& closure_obj = Closure::Cast(obj);
GrowableArray<const Object*> dart_arguments(number_of_arguments);
for (int i = 0; i < number_of_arguments; i++) {
const Object& arg =
@@ -2411,9 +2382,7 @@
DARTSCOPE(isolate);
const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(handle));
if (obj.IsClass()) {
- Class& cls = Class::Handle(isolate);
- cls ^= obj.raw();
- return !cls.is_interface();
+ return !Class::Cast(obj).is_interface();
}
return false;
}
@@ -2424,9 +2393,7 @@
DARTSCOPE(isolate);
const Object& obj = Object::Handle(isolate, Api::UnwrapHandle(handle));
if (obj.IsClass()) {
- Class& cls = Class::Handle(isolate);
- cls ^= obj.raw();
- return cls.is_interface();
+ return Class::Cast(obj).is_interface();
}
return false;
}
@@ -2435,8 +2402,8 @@
DART_EXPORT Dart_Handle Dart_ClassName(Dart_Handle clazz) {
Isolate* isolate = Isolate::Current();
DARTSCOPE(isolate);
- Class& cls = Class::Handle(isolate);
- cls ^= Api::UnwrapClassHandle(isolate, clazz).raw();
+ Class& cls = Class::Handle(
siva 2012/07/02 20:22:14 const Class& cls = .....
regis 2012/07/02 21:42:33 Done.
+ isolate, Api::UnwrapClassHandle(isolate, clazz).raw());
if (cls.IsNull()) {
RETURN_TYPE_ERROR(isolate, clazz, Class);
}
@@ -2447,8 +2414,8 @@
DART_EXPORT Dart_Handle Dart_ClassGetLibrary(Dart_Handle clazz) {
Isolate* isolate = Isolate::Current();
DARTSCOPE(isolate);
- Class& cls = Class::Handle(isolate);
- cls ^= Api::UnwrapClassHandle(isolate, clazz).raw();
+ const Class& cls = Class::Handle(
+ isolate, Api::UnwrapClassHandle(isolate, clazz).raw());
if (cls.IsNull()) {
RETURN_TYPE_ERROR(isolate, clazz, Class);
}
@@ -2459,8 +2426,8 @@
DART_EXPORT Dart_Handle Dart_ClassGetDefault(Dart_Handle clazz) {
Isolate* isolate = Isolate::Current();
DARTSCOPE(isolate);
- Class& cls = Class::Handle(isolate);
- cls ^= Api::UnwrapClassHandle(isolate, clazz).raw();
+ const Class& cls = Class::Handle(
+ isolate, Api::UnwrapClassHandle(isolate, clazz).raw());
if (cls.IsNull()) {
RETURN_TYPE_ERROR(isolate, clazz, Class);
}
@@ -2482,8 +2449,8 @@
intptr_t* count) {
Isolate* isolate = Isolate::Current();
DARTSCOPE(isolate);
- Class& cls = Class::Handle(isolate);
- cls ^= Api::UnwrapClassHandle(isolate, clazz).raw();
+ const Class& cls = Class::Handle(
+ isolate, Api::UnwrapClassHandle(isolate, clazz).raw());
if (cls.IsNull()) {
RETURN_TYPE_ERROR(isolate, clazz, Class);
}
@@ -2502,8 +2469,8 @@
intptr_t index) {
Isolate* isolate = Isolate::Current();
DARTSCOPE(isolate);
- Class& cls = Class::Handle(isolate);
- cls ^= Api::UnwrapClassHandle(isolate, clazz).raw();
+ const Class& cls = Class::Handle(
+ isolate, Api::UnwrapClassHandle(isolate, clazz).raw());
if (cls.IsNull()) {
RETURN_TYPE_ERROR(isolate, clazz, Class);
}
@@ -2595,8 +2562,8 @@
}
// Get the class to instantiate.
- Class& cls = Class::Handle(isolate);
- cls ^= Api::UnwrapClassHandle(isolate, clazz).raw();
+ Class& cls = Class::Handle(
+ isolate, Api::UnwrapClassHandle(isolate, clazz).raw());
if (cls.IsNull()) {
RETURN_TYPE_ERROR(isolate, clazz, Class);
}
@@ -2611,9 +2578,7 @@
dot_name = String::NewSymbol(".");
} else if (name_obj.IsString()) {
const String& dot = String::Handle(isolate, String::NewSymbol("."));
- String& name_str = String::Handle(isolate);
- name_str ^= name_obj.raw();
- dot_name ^= String::Concat(dot, name_str);
+ dot_name = String::Concat(dot, String::Cast(name_obj));
} else {
return Api::NewError(
"%s expects argument 'constructor_name' to be of type String.",
@@ -2650,7 +2615,7 @@
return Api::NewHandle(isolate, error.raw());
}
- cls ^= cls.FactoryClass();
+ cls = cls.FactoryClass();
}
// Resolve the constructor.
@@ -2780,8 +2745,7 @@
return Api::NewError(msg);
}
- Class& cls = Class::Handle(isolate);
- cls ^= obj.raw();
+ const Class& cls = Class::Cast(obj);
const Function& function = Function::Handle(
isolate,
Resolver::ResolveStatic(cls,
@@ -2803,8 +2767,7 @@
} else if (obj.IsLibrary()) {
// Check whether class finalization is needed.
bool finalize_classes = true;
- Library& lib = Library::Handle(isolate);
- lib ^= obj.raw();
+ const Library& lib = Library::Cast(obj);
// When calling functions in the dart:builtin library do not finalize as it
// should have been prefinalized.
@@ -2878,8 +2841,7 @@
// Every instance field has a getter Function. Try to find the
// getter in any superclass and use that function to access the
// field.
- Instance& instance = Instance::Handle(isolate);
- instance ^= obj.raw();
+ const Instance& instance = Instance::Cast(obj);
Class& cls = Class::Handle(isolate, instance.clazz());
while (!cls.IsNull()) {
String& getter_name =
@@ -2911,8 +2873,7 @@
}
// To access a static field we may need to use the Field or the
// getter Function.
- Class& cls = Class::Handle(isolate);
- cls ^= obj.raw();
+ const Class& cls = Class::Cast(obj);
field = cls.LookupStaticField(field_name);
if (field.IsNull() || FieldIsUninitialized(isolate, field)) {
const String& getter_name =
@@ -2939,8 +2900,7 @@
// To access a top-level we may need to use the Field or the
// getter Function. The getter function may either be in the
// library or in the field's owner class, depending.
- Library& lib = Library::Handle(isolate);
- lib ^= obj.raw();
+ const Library& lib = Library::Cast(obj);
field = lib.LookupFieldAllowPrivate(field_name);
if (field.IsNull()) {
// No field found. Check for a getter in the lib.
@@ -3005,8 +2965,7 @@
// Every instance field has a setter Function. Try to find the
// setter in any superclass and use that function to access the
// field.
- Instance& instance = Instance::Handle(isolate);
- instance ^= obj.raw();
+ const Instance& instance = Instance::Cast(obj);
Class& cls = Class::Handle(isolate, instance.clazz());
while (!cls.IsNull()) {
field = cls.LookupInstanceField(field_name);
@@ -3039,8 +2998,7 @@
} else if (obj.IsClass()) {
// To access a static field we may need to use the Field or the
// setter Function.
- Class& cls = Class::Handle(isolate);
- cls ^= obj.raw();
+ const Class& cls = Class::Cast(obj);
field = cls.LookupStaticField(field_name);
if (field.IsNull()) {
String& setter_name =
@@ -3078,8 +3036,7 @@
// To access a top-level we may need to use the Field or the
// setter Function. The setter function may either be in the
// library or in the field's owner class, depending.
- Library& lib = Library::Handle(isolate);
- lib ^= obj.raw();
+ const Library& lib = Library::Cast(obj);
field = lib.LookupFieldAllowPrivate(field_name);
if (field.IsNull()) {
const String& setter_name =
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