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gccrs: libproc_macro: Add ident implementation

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Add implementation and representation for ident cpp structure as well as
a high level wrapper interface.

libgrust/ChangeLog:

	* libproc_macro/ident.cc: New file.
	* libproc_macro/ident.h: New file.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
This commit is contained in:
Pierre-Emmanuel Patry 2023-04-11 12:18:54 +02:00 committed by Arthur Cohen
parent f395ed80ce
commit e8c656ff6e
2 changed files with 109 additions and 0 deletions
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56
libgrust/libproc_macro/ident.cc Normal file
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// Copyright (C) 2023 Free Software Foundation, Inc.
//
// This file is part of the GNU Proc Macro Library. This library 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.
// This library 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
#include "ident.h"
#include <cstring>
extern "C" {
Ident
Ident__new (unsigned char *str, std::uint64_t len)
{
unsigned char *val = new unsigned char[len];
std::memcpy (val, str, len);
return {false, val, len};
}
Ident
Ident__new_raw (unsigned char *str, std::uint64_t len)
{
unsigned char *val = new unsigned char[len];
std::memcpy (val, str, len);
return {true, val, len};
}
void
Ident__drop (Ident *ident)
{
delete[] ident->val;
}
Ident
Ident__clone (const Ident *ident)
{
unsigned char *val = new unsigned char[ident->len];
std::memcpy (val, ident->val, ident->len);
return {ident->is_raw, val, ident->len};
}
}

53
libgrust/libproc_macro/ident.h Normal file
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// Copyright (C) 2023 Free Software Foundation, Inc.
//
// This file is part of the GNU Proc Macro Library. This library 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.
// This library 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
#ifndef IDENT_H
#define IDENT_H
#include <cstdint>
#include <string>
struct Ident
{
bool is_raw;
// TODO: Adapt this to UTF-8
unsigned char *val;
// Length in bytes
std::uint64_t len;
};
extern "C" {
Ident
Ident__new (unsigned char *str, std::uint64_t len);
Ident
Ident__new_raw (unsigned char *str, std::uint64_t len);
void
Ident__drop (Ident *ident);
Ident
Ident__clone (const Ident *ident);
}
#endif /* ! IDENT_H */