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// Copyright (C) 2020-2024 Free Software Foundation, Inc.
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.
// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#ifndef RUST_EXPORT_METADATA_H
#define RUST_EXPORT_METADATA_H
#include "rust-system.h"
#include "rust-hir-full-decls.h"
#include "rust-hir-map.h"
namespace Rust {
namespace Metadata {
static const char kMagicHeader[4] = {'G', 'R', 'S', 'T'};
static const char kSzDelim[1] = {'$'};
class ExportContext
{
public:
ExportContext ();
~ExportContext ();
void push_module_scope (const HIR::Module &module);
const HIR::Module &pop_module_scope ();
void emit_trait (const HIR::Trait &trait);
void emit_function (const HIR::Function &fn);
/**
* Macros are a bit particular - they only live at the AST level, so we can
* directly refer to them using their NodeId. There's no need to keep an HIR
* node for them.
*/
void emit_macro (NodeId macro);
const std::string &get_interface_buffer () const;
private:
Analysis::Mappings *mappings;
std::vector<std::reference_wrapper<const HIR::Module>> module_stack;
std::string public_interface_buffer;
};
class PublicInterface
{
public:
static void Export (HIR::Crate &crate);
static void ExportTo (HIR::Crate &crate, const std::string &output_path);
static bool is_crate_public (const HIR::VisItem &item);
static std::string expected_metadata_filename ();
protected:
void gather_export_data ();
void write_to_object_file () const;
void write_to_path (const std::string &path) const;
private:
PublicInterface (HIR::Crate &crate);
HIR::Crate &crate;
Analysis::Mappings &mappings;
ExportContext context;
};
} // namespace Metadata
} // namespace Rust
#endif // RUST_EXPORT_METADATA_H
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