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cf58150bea
TokenStream did not copy back enough old data to the new location. This commit also add more explicit memcpy usages in order to facilitate change to utf-8 later. libgrust/ChangeLog: * libproc_macro/ffistring.cc (FFIString::make_ffistring): Add explicit sizeof and utf-8 warning. (FFIString::clone): Add explicit sizeof and utf-8 warning. * libproc_macro/ident.cc (Ident::clone): Likewise. (Ident::make_ident): Likewise. * libproc_macro/tokenstream.cc (TokenStream::grow): Fix vector growth. (TokenStream__clone): Add explicit sizeof. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
// Copyright (C) 2023 Free Software Foundation, Inc.
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//
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// This file is part of the GNU Proc Macro Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include <cstring>
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#include "ffistring.h"
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namespace ProcMacro {
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void
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FFIString::drop (FFIString *str)
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{
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delete[] str->data;
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str->len = 0;
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}
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FFIString
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FFIString::make_ffistring (const std::string &str)
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{
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return make_ffistring (reinterpret_cast<const unsigned char *> (str.c_str ()),
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str.length ());
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}
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FFIString
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FFIString::make_ffistring (const unsigned char *data, std::uint64_t len)
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{
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unsigned char *inner = new unsigned char[len];
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// FIXME: UTF-8 Update this with sizeof codepoint instead
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std::memcpy (inner, data, len * sizeof (unsigned char));
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return {inner, len};
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}
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FFIString
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FFIString::clone () const
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{
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unsigned char *inner = new unsigned char[this->len];
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// FIXME: UTF-8 Update this with sizeof codepoint instead
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std::memcpy (inner, this->data, this->len * sizeof (unsigned char));
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return {inner, this->len};
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}
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std::string
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FFIString::to_string () const
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{
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return std::string (reinterpret_cast<const char *> (this->data), this->len);
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}
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} // namespace ProcMacro
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