mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Nicholas BishopandRichard Smith
1aa34d7642
Replace all uses of CppGlobalVarStore store with ClangDeclStore. Adding a VarStorage->VarDecl mapping to ClangDeclStore is now done with the `AddVar` method, which takes an extra `pattern_id` arg. While the corresponding `ClangDecl` is unchanged from before, the reverse mapping in `inst_id_to_clang_decl_id_` now uses the `pattern_id` as the key. This is necessary because in some places the original VarStorage instructions gets replaced (e.g. by a call to `Convert`). The `pattern_id` remains stable in those cases. --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
77 lines
3.1 KiB
C++
77 lines
3.1 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#ifndef CARBON_TOOLCHAIN_CHECK_CPP_EXPORT_H_
|
|
#define CARBON_TOOLCHAIN_CHECK_CPP_EXPORT_H_
|
|
|
|
#include "clang/AST/Decl.h"
|
|
#include "toolchain/check/context.h"
|
|
#include "toolchain/sem_ir/ids.h"
|
|
|
|
namespace Carbon::Check {
|
|
|
|
// Exports a Carbon name scope into C++ as a namespace or class, or returns the
|
|
// C++ namespace or class declaration that it was imported from.
|
|
//
|
|
// If the name scope has already been exported, returns the existing context.
|
|
// Otherwise, creates a new C++ declaration context and returns it. Returns
|
|
// nullptr if the name scope could not be exported and an error was diagnosed.
|
|
auto ExportNameScopeToCpp(Context& context, SemIR::LocId loc_id,
|
|
SemIR::NameScopeId name_scope_id)
|
|
-> clang::DeclContext*;
|
|
|
|
// Exports a Carbon class into C++ as a class, or returns the C++ tag type that
|
|
// the class was imported from.
|
|
//
|
|
// If the class has already been exported, returns the existing C++ class.
|
|
// Otherwise, creates a new C++ class and returns it. Returns nullptr if the
|
|
// class could not be exported and an error was diagnosed.
|
|
auto ExportClassToCpp(Context& context, SemIR::LocId loc_id,
|
|
SemIR::ClassType class_type) -> clang::TagDecl*;
|
|
|
|
// Export all `SemIR::FieldDecl`s in the class body as `clang::FieldDecl`s.
|
|
auto ExportAllFieldsToCpp(Context& context, SemIR::Class& class_info) -> void;
|
|
|
|
// Exports a Carbon class field into C++.
|
|
//
|
|
// If the field has already been exported, returns the existing C++
|
|
// field.
|
|
//
|
|
// If the field has not already been exported, *all* fields of the class
|
|
// are exported, and then the requested C++ field is returned.
|
|
//
|
|
// Returns nullptr if the class could not be exported and an error was
|
|
// diagnosed.
|
|
auto ExportFieldToCpp(Context& context, SemIR::InstId field_inst_id,
|
|
SemIR::FieldDecl field_decl) -> clang::FieldDecl*;
|
|
|
|
// Get the field offset for each field in a class.
|
|
//
|
|
// Returns true on success, false if any error occurs.
|
|
auto CalculateCppFieldOffsets(
|
|
Context& context, SemIR::ClassId class_id,
|
|
llvm::DenseMap<const clang::FieldDecl*, uint64_t>& field_offsets) -> bool;
|
|
|
|
// Get a `clang::FunctionDecl` that can be used to call a Carbon function.
|
|
auto ExportFunctionToCpp(Context& context, SemIR::LocId loc_id,
|
|
SemIR::FunctionId function_id) -> clang::FunctionDecl*;
|
|
|
|
// Export a Carbon destructor into C++.
|
|
//
|
|
// The destructor calls the `Destroy` operator.
|
|
auto ExportDestructorToCpp(Context& context, const SemIR::Class& class_info,
|
|
clang::CXXRecordDecl* record_decl)
|
|
-> clang::CXXDestructorDecl*;
|
|
|
|
// Export a Carbon variable into C++.
|
|
//
|
|
// Returns nullptr if the variable could not be exported an an error was
|
|
// diagnosed.
|
|
auto ExportVarToCpp(Context& context, SemIR::InstId inst_id,
|
|
SemIR::VarStorage var_storage) -> clang::VarDecl*;
|
|
|
|
} // namespace Carbon::Check
|
|
|
|
#endif // CARBON_TOOLCHAIN_CHECK_CPP_EXPORT_H_
|