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// Copyright 2017 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_MODULE_INL_H_
#define V8_OBJECTS_MODULE_INL_H_
#include "src/objects/module.h"
#include "src/objects/objects-inl.h" // Needed for write barriers
#include "src/objects/scope-info.h"
#include "src/objects/source-text-module-inl.h"
#include "src/objects/source-text-module.h"
#include "src/objects/string-inl.h"
#include "src/objects/synthetic-module.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
#include "torque-generated/src/objects/module-tq-inl.inc"
OBJECT_CONSTRUCTORS_IMPL(Module, HeapObject)
TQ_OBJECT_CONSTRUCTORS_IMPL(JSModuleNamespace)
NEVER_READ_ONLY_SPACE_IMPL(Module)
NEVER_READ_ONLY_SPACE_IMPL(ModuleRequest)
NEVER_READ_ONLY_SPACE_IMPL(SourceTextModule)
NEVER_READ_ONLY_SPACE_IMPL(SyntheticModule)
CAST_ACCESSOR(Module)
ACCESSORS(Module, exports, ObjectHashTable, kExportsOffset)
ACCESSORS(Module, module_namespace, HeapObject, kModuleNamespaceOffset)
ACCESSORS(Module, exception, Object, kExceptionOffset)
SMI_ACCESSORS(Module, status, kStatusOffset)
SMI_ACCESSORS(Module, hash, kHashOffset)
BOOL_ACCESSORS(SourceTextModule, flags, async, AsyncBit::kShift)
BOOL_ACCESSORS(SourceTextModule, flags, async_evaluating,
AsyncEvaluatingBit::kShift)
ACCESSORS(SourceTextModule, async_parent_modules, ArrayList,
kAsyncParentModulesOffset)
ACCESSORS(SourceTextModule, top_level_capability, HeapObject,
kTopLevelCapabilityOffset)
struct Module::Hash {
V8_INLINE size_t operator()(Module const& module) const {
return module.hash();
}
};
SourceTextModuleInfo SourceTextModule::info() const {
return status() == kErrored
? SourceTextModuleInfo::cast(code())
: GetSharedFunctionInfo().scope_info().ModuleDescriptorInfo();
}
OBJECT_CONSTRUCTORS_IMPL(SourceTextModuleInfo, FixedArray)
CAST_ACCESSOR(SourceTextModuleInfo)
FixedArray SourceTextModuleInfo::module_requests() const {
return FixedArray::cast(get(kModuleRequestsIndex));
}
FixedArray SourceTextModuleInfo::special_exports() const {
return FixedArray::cast(get(kSpecialExportsIndex));
}
FixedArray SourceTextModuleInfo::regular_exports() const {
return FixedArray::cast(get(kRegularExportsIndex));
}
FixedArray SourceTextModuleInfo::regular_imports() const {
return FixedArray::cast(get(kRegularImportsIndex));
}
FixedArray SourceTextModuleInfo::namespace_imports() const {
return FixedArray::cast(get(kNamespaceImportsIndex));
}
FixedArray SourceTextModuleInfo::module_request_positions() const {
return FixedArray::cast(get(kModuleRequestPositionsIndex));
}
#ifdef DEBUG
bool SourceTextModuleInfo::Equals(SourceTextModuleInfo other) const {
return regular_exports() == other.regular_exports() &&
regular_imports() == other.regular_imports() &&
special_exports() == other.special_exports() &&
namespace_imports() == other.namespace_imports() &&
module_requests() == other.module_requests() &&
module_request_positions() == other.module_request_positions();
}
#endif
struct ModuleHandleHash {
V8_INLINE size_t operator()(Handle<Module> module) const {
return module->hash();
}
};
struct ModuleHandleEqual {
V8_INLINE bool operator()(Handle<Module> lhs, Handle<Module> rhs) const {
return *lhs == *rhs;
}
};
class UnorderedModuleSet
: public std::unordered_set<Handle<Module>, ModuleHandleHash,
ModuleHandleEqual,
ZoneAllocator<Handle<Module>>> {
public:
explicit UnorderedModuleSet(Zone* zone)
: std::unordered_set<Handle<Module>, ModuleHandleHash, ModuleHandleEqual,
ZoneAllocator<Handle<Module>>>(
2 /* bucket count */, ModuleHandleHash(), ModuleHandleEqual(),
ZoneAllocator<Handle<Module>>(zone)) {}
};
void SourceTextModule::AddAsyncParentModule(Isolate* isolate,
Handle<SourceTextModule> module,
Handle<SourceTextModule> parent) {
Handle<ArrayList> async_parent_modules(module->async_parent_modules(),
isolate);
Handle<ArrayList> new_array_list =
ArrayList::Add(isolate, async_parent_modules, parent);
module->set_async_parent_modules(*new_array_list);
}
Handle<SourceTextModule> SourceTextModule::GetAsyncParentModule(
Isolate* isolate, int index) {
Handle<SourceTextModule> module(
SourceTextModule::cast(async_parent_modules().Get(index)), isolate);
return module;
}
int SourceTextModule::AsyncParentModuleCount() {
return async_parent_modules().Length();
}
bool SourceTextModule::HasPendingAsyncDependencies() {
DCHECK_GE(pending_async_dependencies(), 0);
return pending_async_dependencies() > 0;
}
void SourceTextModule::IncrementPendingAsyncDependencies() {
set_pending_async_dependencies(pending_async_dependencies() + 1);
}
void SourceTextModule::DecrementPendingAsyncDependencies() {
set_pending_async_dependencies(pending_async_dependencies() - 1);
}
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_MODULE_INL_H_
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