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// Copyright 2023 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_OBJECTS_ABSTRACT_CODE_INL_H_
#define V8_OBJECTS_ABSTRACT_CODE_INL_H_
#include "src/objects/abstract-code.h"
#include "src/objects/bytecode-array-inl.h"
#include "src/objects/code-inl.h"
#include "src/objects/instance-type-inl.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
OBJECT_CONSTRUCTORS_IMPL(AbstractCode, HeapObject)
CAST_ACCESSOR(AbstractCode)
int AbstractCode::InstructionSize(PtrComprCageBase cage_base) {
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->instruction_size();
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return GetBytecodeArray()->length();
}
}
Tagged<ByteArray> AbstractCode::SourcePositionTableInternal(
PtrComprCageBase cage_base) {
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
Tagged<Code> code = GetCode();
if (!code->has_instruction_stream()) {
return GetReadOnlyRoots().empty_byte_array();
}
return code->source_position_table(cage_base);
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return GetBytecodeArray()->SourcePositionTable(cage_base);
}
}
Tagged<ByteArray> AbstractCode::SourcePositionTable(
Isolate* isolate, Tagged<SharedFunctionInfo> sfi) {
Tagged<Map> map_object = map(isolate);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->SourcePositionTable(isolate, sfi);
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return GetBytecodeArray()->SourcePositionTable(isolate);
}
}
int AbstractCode::SizeIncludingMetadata(PtrComprCageBase cage_base) {
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->SizeIncludingMetadata();
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return GetBytecodeArray()->SizeIncludingMetadata();
}
}
Address AbstractCode::InstructionStart(PtrComprCageBase cage_base) {
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->instruction_start();
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return GetBytecodeArray()->GetFirstBytecodeAddress();
}
}
Address AbstractCode::InstructionEnd(PtrComprCageBase cage_base) {
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->instruction_end();
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
Tagged<BytecodeArray> bytecode_array = GetBytecodeArray();
return bytecode_array->GetFirstBytecodeAddress() + bytecode_array->length();
}
}
bool AbstractCode::contains(Isolate* isolate, Address inner_pointer) {
PtrComprCageBase cage_base(isolate);
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->contains(isolate, inner_pointer);
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return (address() <= inner_pointer) &&
(inner_pointer <= address() + Size(cage_base));
}
}
CodeKind AbstractCode::kind(PtrComprCageBase cage_base) {
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->kind();
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return CodeKind::INTERPRETED_FUNCTION;
}
}
Builtin AbstractCode::builtin_id(PtrComprCageBase cage_base) {
Tagged<Map> map_object = map(cage_base);
if (InstanceTypeChecker::IsCode(map_object)) {
return GetCode()->builtin_id();
} else {
DCHECK(InstanceTypeChecker::IsBytecodeArray(map_object));
return Builtin::kNoBuiltinId;
}
}
bool AbstractCode::has_instruction_stream(PtrComprCageBase cage_base) {
DCHECK(InstanceTypeChecker::IsCode(map(cage_base)));
return GetCode()->has_instruction_stream();
}
Tagged<Code> AbstractCode::GetCode() { return Code::cast(*this); }
Tagged<BytecodeArray> AbstractCode::GetBytecodeArray() {
return BytecodeArray::cast(*this);
}
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_ABSTRACT_CODE_INL_H_
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