167 lines
3.6 KiB
C++
167 lines
3.6 KiB
C++
/* Marshalling and unmarshalling.
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Copyright (C) 2014-2017 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include <cc1plugin-config.h>
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#include <new>
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#include <string.h>
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#include "marshall.hh"
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#include "connection.hh"
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cc1_plugin::status
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cc1_plugin::unmarshall_check (connection *conn, unsigned long long check)
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{
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unsigned long long r;
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if (!unmarshall (conn, &r))
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return FAIL;
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return check == r ? OK : FAIL;
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}
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cc1_plugin::status
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cc1_plugin::marshall_intlike (connection *conn, unsigned long long val)
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{
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if (!conn->send ('i'))
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return FAIL;
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return conn->send (&val, sizeof (val));
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}
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cc1_plugin::status
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cc1_plugin::unmarshall_intlike (connection *conn, unsigned long long *result)
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{
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if (!conn->require ('i'))
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return FAIL;
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return conn->get (result, sizeof (*result));
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}
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cc1_plugin::status
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cc1_plugin::unmarshall (connection *conn, enum gcc_c_symbol_kind *result)
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{
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protocol_int p;
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if (!unmarshall_intlike (conn, &p))
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return FAIL;
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*result = (enum gcc_c_symbol_kind) p;
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return OK;
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}
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cc1_plugin::status
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cc1_plugin::unmarshall (connection *conn, enum gcc_c_oracle_request *result)
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{
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protocol_int p;
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if (!unmarshall_intlike (conn, &p))
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return FAIL;
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*result = (enum gcc_c_oracle_request) p;
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return OK;
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}
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cc1_plugin::status
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cc1_plugin::unmarshall (connection *conn, enum gcc_qualifiers *result)
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{
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protocol_int p;
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if (!unmarshall_intlike (conn, &p))
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return FAIL;
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*result = (enum gcc_qualifiers) p;
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return OK;
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}
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cc1_plugin::status
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cc1_plugin::marshall (connection *conn, const char *str)
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{
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if (!conn->send ('s'))
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return FAIL;
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unsigned long long len = str == NULL ? -1ULL : strlen (str);
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if (!conn->send (&len, sizeof (len)))
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return FAIL;
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if (str == NULL)
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return OK;
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return conn->send (str, len);
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}
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cc1_plugin::status
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cc1_plugin::unmarshall (connection *conn, char **result)
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{
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unsigned long long len;
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if (!conn->require ('s'))
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return FAIL;
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if (!conn->get (&len, sizeof (len)))
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return FAIL;
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if (len == -1ULL)
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{
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*result = NULL;
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return OK;
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}
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char *str = new (std::nothrow) char[len + 1];
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if (str == NULL)
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return FAIL;
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if (!conn->get (str, len))
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{
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delete[] str;
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return FAIL;
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}
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str[len] = '\0';
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*result = str;
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return OK;
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}
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cc1_plugin::status
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cc1_plugin::marshall (connection *conn, const gcc_type_array *a)
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{
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if (!conn->send ('a'))
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return FAIL;
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unsigned long long r = a->n_elements;
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if (!conn->send (&r, sizeof (r)))
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return FAIL;
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return conn->send (a->elements, r * sizeof (a->elements[0]));
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}
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cc1_plugin::status
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cc1_plugin::unmarshall (connection *conn, gcc_type_array **result)
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{
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unsigned long long len;
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if (!conn->require ('a'))
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return FAIL;
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if (!conn->get (&len, sizeof (len)))
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return FAIL;
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*result = new gcc_type_array;
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(*result)->n_elements = len;
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(*result)->elements = new gcc_type[len];
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if (!conn->get ((*result)->elements, len * sizeof ((*result)->elements[0])))
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{
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delete[] (*result)->elements;
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delete *result;
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return FAIL;
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}
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return OK;
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}
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