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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_TORQUE_GLOBAL_CONTEXT_H_
#define V8_TORQUE_GLOBAL_CONTEXT_H_
#include <map>
#include <memory>
#include "src/base/contextual.h"
#include "src/common/globals.h"
#include "src/torque/ast.h"
#include "src/torque/cpp-builder.h"
#include "src/torque/declarable.h"
namespace v8 {
namespace internal {
namespace torque {
class GlobalContext : public base::ContextualClass<GlobalContext> {
public:
GlobalContext(GlobalContext&&) V8_NOEXCEPT = default;
GlobalContext& operator=(GlobalContext&&) V8_NOEXCEPT = default;
explicit GlobalContext(Ast ast);
static Namespace* GetDefaultNamespace() { return Get().default_namespace_; }
template <class T>
T* RegisterDeclarable(std::unique_ptr<T> d) {
T* ptr = d.get();
declarables_.push_back(std::move(d));
return ptr;
}
static const std::vector<std::unique_ptr<Declarable>>& AllDeclarables() {
return Get().declarables_;
}
static void AddCppInclude(std::string include_path) {
Get().cpp_includes_.insert(std::move(include_path));
}
static const std::set<std::string>& CppIncludes() {
return Get().cpp_includes_;
}
static void SetCollectLanguageServerData() {
Get().collect_language_server_data_ = true;
}
static bool collect_language_server_data() {
return Get().collect_language_server_data_;
}
static void SetCollectKytheData() { Get().collect_kythe_data_ = true; }
static bool collect_kythe_data() { return Get().collect_kythe_data_; }
static void SetForceAssertStatements() {
Get().force_assert_statements_ = true;
}
static bool force_assert_statements() {
return Get().force_assert_statements_;
}
static void SetAnnotateIR() { Get().annotate_ir_ = true; }
static bool annotate_ir() { return Get().annotate_ir_; }
static Ast* ast() { return &Get().ast_; }
static std::string MakeUniqueName(const std::string& base) {
return base + "_" + std::to_string(Get().fresh_ids_[base]++);
}
struct PerFileStreams {
PerFileStreams()
: file(SourceId::Invalid()),
csa_header(csa_headerfile),
csa_cc(csa_ccfile),
class_definition_cc(class_definition_ccfile) {}
SourceId file;
std::stringstream csa_headerfile;
cpp::File csa_header;
std::stringstream csa_ccfile;
cpp::File csa_cc;
std::stringstream class_definition_headerfile;
// The beginning of the generated -inl.inc file, which includes declarations
// for functions corresponding to Torque macros.
std::stringstream class_definition_inline_headerfile_macro_declarations;
// The second part of the generated -inl.inc file, which includes
// definitions for functions declared in the first part.
std::stringstream class_definition_inline_headerfile_macro_definitions;
// The portion of the generated -inl.inc file containing member function
// definitions for the generated class.
std::stringstream class_definition_inline_headerfile;
std::stringstream class_definition_ccfile;
cpp::File class_definition_cc;
std::set<SourceId> required_builtin_includes;
};
static PerFileStreams& GeneratedPerFile(SourceId file) {
PerFileStreams& result = Get().generated_per_file_[file];
result.file = file;
return result;
}
static void SetInstanceTypesInitialized() {
DCHECK(!Get().instance_types_initialized_);
Get().instance_types_initialized_ = true;
}
static bool IsInstanceTypesInitialized() {
return Get().instance_types_initialized_;
}
static void EnsureInCCOutputList(TorqueMacro* macro, SourceId source) {
GlobalContext& c = Get();
auto item = std::make_pair(macro, source);
if (c.macros_for_cc_output_set_.insert(item).second) {
c.macros_for_cc_output_.push_back(item);
}
}
static const std::vector<std::pair<TorqueMacro*, SourceId>>&
AllMacrosForCCOutput() {
return Get().macros_for_cc_output_;
}
private:
bool collect_language_server_data_;
bool collect_kythe_data_;
bool force_assert_statements_;
bool annotate_ir_;
Namespace* default_namespace_;
Ast ast_;
std::vector<std::unique_ptr<Declarable>> declarables_;
std::set<std::string> cpp_includes_;
std::map<SourceId, PerFileStreams> generated_per_file_;
std::map<std::string, size_t> fresh_ids_;
std::vector<std::pair<TorqueMacro*, SourceId>> macros_for_cc_output_;
std::set<std::pair<TorqueMacro*, SourceId>> macros_for_cc_output_set_;
bool instance_types_initialized_ = false;
friend class LanguageServerData;
};
template <class T>
T* RegisterDeclarable(std::unique_ptr<T> d) {
return GlobalContext::Get().RegisterDeclarable(std::move(d));
}
class TargetArchitecture : public base::ContextualClass<TargetArchitecture> {
public:
explicit TargetArchitecture(bool force_32bit);
static size_t TaggedSize() { return Get().tagged_size_; }
static size_t RawPtrSize() { return Get().raw_ptr_size_; }
static size_t ExternalPointerSize() { return Get().external_ptr_size_; }
static size_t IndirectPointerSize() { return Get().indirect_ptr_size_; }
static size_t MaxHeapAlignment() { return TaggedSize(); }
static bool ArePointersCompressed() { return TaggedSize() < RawPtrSize(); }
static int SmiTagAndShiftSize() { return Get().smi_tag_and_shift_size_; }
private:
const size_t tagged_size_;
const size_t raw_ptr_size_;
const int smi_tag_and_shift_size_;
const size_t external_ptr_size_;
const size_t indirect_ptr_size_;
};
} // namespace torque
} // namespace internal
} // namespace v8
#endif // V8_TORQUE_GLOBAL_CONTEXT_H_
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