gcc/libcc1/marshall-cp.hh
2024-01-03 12:19:35 +01:00

245 lines
5.5 KiB
C++

/* Marshalling and unmarshalling of C++-specific types.
Copyright (C) 2014-2024 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 CC1_PLUGIN_MARSHALL_CXX_HH
#define CC1_PLUGIN_MARSHALL_CXX_HH
#include "marshall.hh"
#include "gcc-cp-interface.h"
#include "deleter.hh"
namespace cc1_plugin
{
template<>
struct deleter<gcc_vbase_array>
{
void operator() (gcc_vbase_array *p)
{
delete[] p->flags;
delete[] p->elements;
delete p;
}
};
template<>
struct deleter<gcc_cp_template_args>
{
void operator() (gcc_cp_template_args *p)
{
delete[] p->elements;
delete[] p->kinds;
delete p;
}
};
template<>
struct deleter<gcc_cp_function_args>
{
void operator() (gcc_cp_function_args *p)
{
delete[] p->elements;
delete p;
}
};
// Send a gcc_vbase_array marker followed by the array.
status
marshall (connection *conn, const gcc_vbase_array *a)
{
size_t len;
if (a)
len = a->n_elements;
else
len = (size_t)-1;
if (!marshall_array_start (conn, 'v', len))
return FAIL;
if (!a)
return OK;
if (!marshall_array_elmts (conn, len * sizeof (a->elements[0]),
a->elements))
return FAIL;
return marshall_array_elmts (conn, len * sizeof (a->flags[0]),
a->flags);
}
// Read a gcc_vbase_array marker, followed by a gcc_vbase_array. The
// resulting array must be freed by the caller, using 'delete[]' on
// elements and virtualp, and 'delete' on the array object itself.
status
unmarshall (connection *conn, struct gcc_vbase_array **result)
{
size_t len;
if (!unmarshall_array_start (conn, 'v', &len))
return FAIL;
if (len == (size_t)-1)
{
*result = NULL;
return OK;
}
cc1_plugin::unique_ptr<gcc_vbase_array> gva (new gcc_vbase_array {});
gva->n_elements = len;
gva->elements = new gcc_type[len];
if (!unmarshall_array_elmts (conn,
len * sizeof (gva->elements[0]),
gva->elements))
return FAIL;
gva->flags = new enum gcc_cp_symbol_kind[len];
if (!unmarshall_array_elmts (conn,
len * sizeof (gva->flags[0]),
gva->flags))
return FAIL;
*result = gva.release ();
return OK;
}
// Send a gcc_cp_template_args marker followed by the array.
status
marshall (connection *conn, const gcc_cp_template_args *a)
{
size_t len;
if (a)
len = a->n_elements;
else
len = (size_t)-1;
if (!marshall_array_start (conn, 't', len))
return FAIL;
if (!a)
return OK;
if (!marshall_array_elmts (conn, len * sizeof (a->kinds[0]),
a->kinds))
return FAIL;
return marshall_array_elmts (conn, len * sizeof (a->elements[0]),
a->elements);
}
// Read a gcc_vbase_array marker, followed by a gcc_vbase_array. The
// resulting array must be freed by the caller, using 'delete[]' on
// elements and virtualp, and 'delete' on the array object itself.
status
unmarshall (connection *conn, struct gcc_cp_template_args **result)
{
size_t len;
if (!unmarshall_array_start (conn, 't', &len))
return FAIL;
if (len == (size_t)-1)
{
*result = NULL;
return OK;
}
cc1_plugin::unique_ptr<gcc_cp_template_args> gva
(new gcc_cp_template_args {});
gva->n_elements = len;
gva->kinds = new char[len];
if (!unmarshall_array_elmts (conn,
len * sizeof (gva->kinds[0]),
gva->kinds))
return FAIL;
gva->elements = new gcc_cp_template_arg[len];
if (!unmarshall_array_elmts (conn,
len * sizeof (gva->elements[0]),
gva->elements))
return FAIL;
*result = gva.release ();
return OK;
}
// Send a gcc_cp_function_args marker followed by the array.
status
marshall (connection *conn, const gcc_cp_function_args *a)
{
size_t len;
if (a)
len = a->n_elements;
else
len = (size_t)-1;
if (!marshall_array_start (conn, 'd', len))
return FAIL;
if (!a)
return OK;
return marshall_array_elmts (conn, len * sizeof (a->elements[0]),
a->elements);
}
// Read a gcc_cp_function_args marker, followed by a
// gcc_cp_function_args. The resulting array must be freed
// by the caller, using 'delete[]' on elements and virtualp, and
// 'delete' on the array object itself.
status
unmarshall (connection *conn, struct gcc_cp_function_args **result)
{
size_t len;
if (!unmarshall_array_start (conn, 'd', &len))
return FAIL;
if (len == (size_t)-1)
{
*result = NULL;
return OK;
}
cc1_plugin::unique_ptr<gcc_cp_function_args> gva
(new gcc_cp_function_args {});
gva->n_elements = len;
gva->elements = new gcc_expr[len];
if (!unmarshall_array_elmts (conn,
len * sizeof (gva->elements[0]),
gva->elements))
return FAIL;
*result = gva.release ();
return OK;
}
}
#endif // CC1_PLUGIN_MARSHALL_CP_HH