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