libcc1/marshall-cp.hh

   1 /* Marshalling and unmarshalling of C++-specific types.
   2    Copyright (C) 2014-2020 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef CC1_PLUGIN_MARSHALL_CXX_HH
  21 #define CC1_PLUGIN_MARSHALL_CXX_HH
  22
  23 #include "marshall.hh"
  24 #include "gcc-cp-interface.h"
  25
  26 namespace cc1_plugin
  27 {
  28   status
  29   unmarshall (connection *conn, enum gcc_cp_symbol_kind *result)
  30   {
  31     protocol_int p;
  32     if (!unmarshall_intlike (conn, &p))
  33       return FAIL;
  34     *result = (enum gcc_cp_symbol_kind) p;
  35     return OK;
  36   }
  37
  38   status
  39   unmarshall (connection *conn, enum gcc_cp_oracle_request *result)
  40   {
  41     protocol_int p;
  42     if (!unmarshall_intlike (conn, &p))
  43       return FAIL;
  44     *result = (enum gcc_cp_oracle_request) p;
  45     return OK;
  46   }
  47
  48   status
  49   unmarshall (connection *conn, enum gcc_cp_qualifiers *result)
  50   {
  51     protocol_int p;
  52     if (!unmarshall_intlike (conn, &p))
  53       return FAIL;
  54     *result = (enum gcc_cp_qualifiers) p;
  55     return OK;
  56   }
  57
  58   status
  59   unmarshall (connection *conn, enum gcc_cp_ref_qualifiers *result)
  60   {
  61     protocol_int p;
  62     if (!unmarshall_intlike (conn, &p))
  63       return FAIL;
  64     *result = (enum gcc_cp_ref_qualifiers) p;
  65     return OK;
  66   }
  67
  68   // Send a gcc_vbase_array marker followed by the array.
  69   status
  70   marshall (connection *conn, const gcc_vbase_array *a)
  71   {
  72     size_t len;
  73
  74     if (a)
  75       len = a->n_elements;
  76     else
  77       len = (size_t)-1;
  78
  79     if (!marshall_array_start (conn, 'v', len))
  80       return FAIL;
  81
  82     if (!a)
  83       return OK;
  84
  85     if (!marshall_array_elmts (conn, len * sizeof (a->elements[0]),
  86                                a->elements))
  87       return FAIL;
  88
  89     return marshall_array_elmts (conn, len * sizeof (a->flags[0]),
  90                                  a->flags);
  91   }
  92
  93   // Read a gcc_vbase_array marker, followed by a gcc_vbase_array.  The
  94   // resulting array must be freed by the caller, using 'delete[]' on
  95   // elements and virtualp, and 'delete' on the array object itself.
  96   status
  97   unmarshall (connection *conn, struct gcc_vbase_array **result)
  98   {
  99     size_t len;
 100
 101     if (!unmarshall_array_start (conn, 'v', &len))
 102       return FAIL;
 103
 104     if (len == (size_t)-1)
 105       {
 106         *result = NULL;
 107         return OK;
 108       }
 109
 110     struct gcc_vbase_array *gva = new gcc_vbase_array;
 111
 112     gva->n_elements = len;
 113     gva->elements = new gcc_type[len];
 114
 115     if (!unmarshall_array_elmts (conn,
 116                                  len * sizeof (gva->elements[0]),
 117                                  gva->elements))
 118       {
 119         delete[] gva->elements;
 120         delete gva;
 121         return FAIL;
 122       }
 123
 124     gva->flags = new enum gcc_cp_symbol_kind[len];
 125
 126     if (!unmarshall_array_elmts (conn,
 127                                  len * sizeof (gva->flags[0]),
 128                                  gva->flags))
 129       {
 130         delete[] gva->flags;
 131         delete[] gva->elements;
 132         delete gva;
 133         return FAIL;
 134       }
 135
 136     *result = gva;
 137     return OK;
 138   }
 139
 140   // Send a gcc_cp_template_args marker followed by the array.
 141   status
 142   marshall (connection *conn, const gcc_cp_template_args *a)
 143   {
 144     size_t len;
 145
 146     if (a)
 147       len = a->n_elements;
 148     else
 149       len = (size_t)-1;
 150
 151     if (!marshall_array_start (conn, 't', len))
 152       return FAIL;
 153
 154     if (!a)
 155       return OK;
 156
 157     if (!marshall_array_elmts (conn, len * sizeof (a->kinds[0]),
 158                                a->kinds))
 159       return FAIL;
 160
 161     return marshall_array_elmts (conn, len * sizeof (a->elements[0]),
 162                                  a->elements);
 163   }
 164
 165   // Read a gcc_vbase_array marker, followed by a gcc_vbase_array.  The
 166   // resulting array must be freed by the caller, using 'delete[]' on
 167   // elements and virtualp, and 'delete' on the array object itself.
 168   status
 169   unmarshall (connection *conn, struct gcc_cp_template_args **result)
 170   {
 171     size_t len;
 172
 173     if (!unmarshall_array_start (conn, 't', &len))
 174       return FAIL;
 175
 176     if (len == (size_t)-1)
 177       {
 178         *result = NULL;
 179         return OK;
 180       }
 181
 182     struct gcc_cp_template_args *gva = new gcc_cp_template_args;
 183
 184     gva->n_elements = len;
 185     gva->kinds = new char[len];
 186
 187     if (!unmarshall_array_elmts (conn,
 188                                  len * sizeof (gva->kinds[0]),
 189                                  gva->kinds))
 190       {
 191         delete[] gva->kinds;
 192         delete gva;
 193         return FAIL;
 194       }
 195
 196     gva->elements = new gcc_cp_template_arg[len];
 197
 198     if (!unmarshall_array_elmts (conn,
 199                                  len * sizeof (gva->elements[0]),
 200                                  gva->elements))
 201       {
 202         delete[] gva->elements;
 203         delete[] gva->kinds;
 204         delete gva;
 205         return FAIL;
 206       }
 207
 208     *result = gva;
 209     return OK;
 210   }
 211
 212   // Send a gcc_cp_function_args marker followed by the array.
 213   status
 214   marshall (connection *conn, const gcc_cp_function_args *a)
 215   {
 216     size_t len;
 217
 218     if (a)
 219       len = a->n_elements;
 220     else
 221       len = (size_t)-1;
 222
 223     if (!marshall_array_start (conn, 'd', len))
 224       return FAIL;
 225
 226     if (!a)
 227       return OK;
 228
 229     return marshall_array_elmts (conn, len * sizeof (a->elements[0]),
 230                                  a->elements);
 231   }
 232
 233   // Read a gcc_cp_function_args marker, followed by a
 234   // gcc_cp_function_args.  The resulting array must be freed
 235   // by the caller, using 'delete[]' on elements and virtualp, and
 236   // 'delete' on the array object itself.
 237   status
 238   unmarshall (connection *conn, struct gcc_cp_function_args **result)
 239   {
 240     size_t len;
 241
 242     if (!unmarshall_array_start (conn, 'd', &len))
 243       return FAIL;
 244
 245     if (len == (size_t)-1)
 246       {
 247         *result = NULL;
 248         return OK;
 249       }
 250
 251     struct gcc_cp_function_args *gva = new gcc_cp_function_args;
 252
 253     gva->n_elements = len;
 254     gva->elements = new gcc_expr[len];
 255
 256     if (!unmarshall_array_elmts (conn,
 257                                  len * sizeof (gva->elements[0]),
 258                                  gva->elements))
 259       {
 260         delete[] gva->elements;
 261         delete gva;
 262         return FAIL;
 263       }
 264
 265     *result = gva;
 266
 267     return OK;
 268   }
 269 }
 270
 271 #endif // CC1_PLUGIN_MARSHALL_CP_HH