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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT COMPILER COMPONENTS --
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4 -- --
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5 -- V A L I D S W --
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6 -- --
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7 -- B o d y --
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8 -- --
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145
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9 -- Copyright (C) 2001-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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17 -- for more details. You should have received a copy of the GNU General --
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18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
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19 -- http://www.gnu.org/licenses for a complete copy of the license. --
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20 -- --
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21 -- GNAT was originally developed by the GNAT team at New York University. --
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22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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23 -- --
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24 ------------------------------------------------------------------------------
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25
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26 with Opt; use Opt;
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27 with Output; use Output;
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28
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29 package body Validsw is
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30
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31 ----------------------------------
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32 -- Reset_Validity_Check_Options --
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33 ----------------------------------
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34
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35 procedure Reset_Validity_Check_Options is
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36 begin
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37 Validity_Check_Components := False;
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38 Validity_Check_Copies := False;
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145
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39 Validity_Check_Default := False;
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40 Validity_Check_Floating_Point := False;
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41 Validity_Check_In_Out_Params := False;
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42 Validity_Check_In_Params := False;
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43 Validity_Check_Operands := False;
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145
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44 Validity_Check_Parameters := False;
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45 Validity_Check_Returns := False;
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46 Validity_Check_Subscripts := False;
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47 Validity_Check_Tests := False;
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48 end Reset_Validity_Check_Options;
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49
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50 ---------------------------------
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51 -- Save_Validity_Check_Options --
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52 ---------------------------------
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53
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54 procedure Save_Validity_Check_Options
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55 (Options : out Validity_Check_Options)
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56 is
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57 P : Natural := 0;
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58
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59 procedure Add (C : Character; S : Boolean);
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60 -- Add given character C to string if switch S is true
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61
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62 procedure Add (C : Character; S : Boolean) is
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63 begin
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64 if S then
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65 P := P + 1;
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66 Options (P) := C;
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67 end if;
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68 end Add;
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69
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70 -- Start of processing for Save_Validity_Check_Options
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71
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72 begin
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73 for K in Options'Range loop
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74 Options (K) := ' ';
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75 end loop;
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76
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77 Add ('e', Validity_Check_Components);
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78 Add ('c', Validity_Check_Copies);
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79 Add ('d', Validity_Check_Default);
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80 Add ('f', Validity_Check_Floating_Point);
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81 Add ('i', Validity_Check_In_Params);
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82 Add ('m', Validity_Check_In_Out_Params);
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83 Add ('o', Validity_Check_Operands);
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84 Add ('p', Validity_Check_Parameters);
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85 Add ('r', Validity_Check_Returns);
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86 Add ('s', Validity_Check_Subscripts);
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87 Add ('t', Validity_Check_Tests);
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88 end Save_Validity_Check_Options;
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89
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90 ----------------------------------------
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91 -- Set_Default_Validity_Check_Options --
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92 ----------------------------------------
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93
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94 procedure Set_Default_Validity_Check_Options is
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95 begin
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96 Reset_Validity_Check_Options;
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97 Set_Validity_Check_Options ("d");
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98 end Set_Default_Validity_Check_Options;
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99
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100 --------------------------------
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101 -- Set_Validity_Check_Options --
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102 --------------------------------
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103
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104 -- Version used when no error checking is required
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105
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106 procedure Set_Validity_Check_Options (Options : String) is
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107 OK : Boolean;
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108 EC : Natural;
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109 pragma Warnings (Off, OK);
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110 pragma Warnings (Off, EC);
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111 begin
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112 Set_Validity_Check_Options (Options, OK, EC);
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113 end Set_Validity_Check_Options;
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114
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115 -- Normal version with error checking
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116
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117 procedure Set_Validity_Check_Options
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118 (Options : String;
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119 OK : out Boolean;
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120 Err_Col : out Natural)
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121 is
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122 J : Natural;
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123 C : Character;
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124
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125 begin
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126 J := Options'First;
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127 while J <= Options'Last loop
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128 C := Options (J);
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129 J := J + 1;
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130
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131 -- Turn on validity checking (gets turned off by Vn)
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132
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133 Validity_Checks_On := True;
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134
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135 case C is
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136 when 'c' =>
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137 Validity_Check_Copies := True;
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138
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139 when 'd' =>
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140 Validity_Check_Default := True;
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141
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142 when 'e' =>
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143 Validity_Check_Components := True;
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144
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145 when 'f' =>
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146 Validity_Check_Floating_Point := True;
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147
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148 when 'i' =>
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149 Validity_Check_In_Params := True;
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150
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151 when 'm' =>
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152 Validity_Check_In_Out_Params := True;
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153
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154 when 'o' =>
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155 Validity_Check_Operands := True;
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156
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157 when 'p' =>
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158 Validity_Check_Parameters := True;
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159
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160 when 'r' =>
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161 Validity_Check_Returns := True;
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162
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163 when 's' =>
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164 Validity_Check_Subscripts := True;
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165
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166 when 't' =>
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167 Validity_Check_Tests := True;
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168
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169 when 'C' =>
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170 Validity_Check_Copies := False;
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171
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172 when 'D' =>
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173 Validity_Check_Default := False;
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174
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175 when 'E' =>
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176 Validity_Check_Components := False;
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177
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178 when 'F' =>
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179 Validity_Check_Floating_Point := False;
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180
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181 when 'I' =>
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182 Validity_Check_In_Params := False;
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183
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184 when 'M' =>
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185 Validity_Check_In_Out_Params := False;
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186
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187 when 'O' =>
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188 Validity_Check_Operands := False;
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189
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190 when 'P' =>
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191 Validity_Check_Parameters := False;
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192
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193 when 'R' =>
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194 Validity_Check_Returns := False;
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195
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196 when 'S' =>
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197 Validity_Check_Subscripts := False;
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198
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199 when 'T' =>
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200 Validity_Check_Tests := False;
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201
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202 when 'a' =>
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203 Validity_Check_Components := True;
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204 Validity_Check_Copies := True;
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205 Validity_Check_Default := True;
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206 Validity_Check_Floating_Point := True;
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207 Validity_Check_In_Out_Params := True;
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208 Validity_Check_In_Params := True;
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209 Validity_Check_Operands := True;
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210 Validity_Check_Parameters := True;
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211 Validity_Check_Returns := True;
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212 Validity_Check_Subscripts := True;
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213 Validity_Check_Tests := True;
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214
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215 when 'n' =>
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216 Validity_Check_Components := False;
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217 Validity_Check_Copies := False;
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218 Validity_Check_Default := False;
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219 Validity_Check_Floating_Point := False;
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220 Validity_Check_In_Out_Params := False;
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221 Validity_Check_In_Params := False;
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222 Validity_Check_Operands := False;
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223 Validity_Check_Parameters := False;
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224 Validity_Check_Returns := False;
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225 Validity_Check_Subscripts := False;
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226 Validity_Check_Tests := False;
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227 Validity_Checks_On := False;
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228
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229 when ' ' =>
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230 null;
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231
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232 when others =>
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233 if Ignore_Unrecognized_VWY_Switches then
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234 Write_Line ("unrecognized switch -gnatV" & C & " ignored");
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235 else
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236 OK := False;
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237 Err_Col := J - 1;
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238 return;
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239 end if;
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240 end case;
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241 end loop;
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242
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243 OK := True;
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244 Err_Col := Options'Last + 1;
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245 end Set_Validity_Check_Options;
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246
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247 end Validsw;
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