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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 -- U S A G E --
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6 -- --
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7 -- B o d y --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, 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 -- Warning: the output of this usage for warnings is duplicated in the GNAT
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27 -- reference manual. Be sure to update that if you change the warning list.
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28
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29 with Namet; use Namet;
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30 with Opt; use Opt;
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31 with Osint; use Osint;
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32 with Output; use Output;
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33
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34 with System.WCh_Con; use System.WCh_Con;
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35
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36 procedure Usage is
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37
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38 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat");
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39 -- Output two spaces followed by the switch character minus followed
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40 -- Prefix, followed by the string given as the argument, and then enough
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41 -- blanks to tab to column 13, i.e. assuming Sw is not longer than 5
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42 -- characters, the maximum allowed, Write_Switch_Char will always output
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43 -- exactly 12 characters.
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44
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45 -----------------------
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46 -- Write_Switch_Char --
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47 -----------------------
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48
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49 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat") is
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50 begin
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51 Write_Str (" -");
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52 Write_Str (Prefix);
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53 Write_Str (Sw);
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54
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55 for J in 1 .. 12 - 3 - Prefix'Length - Sw'Length loop
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56 Write_Char (' ');
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57 end loop;
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58 end Write_Switch_Char;
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59
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60 -- Start of processing for Usage
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61
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62 begin
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63 Find_Program_Name;
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64
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65 -- For gnatmake, we are appending this information to the end of
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66 -- the normal gnatmake output, so generate appropriate header
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67
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68 if Name_Len >= 8
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69 and then (Name_Buffer (Name_Len - 7 .. Name_Len) = "gnatmake"
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70 or else
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71 Name_Buffer (Name_Len - 7 .. Name_Len) = "GNATMAKE")
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72 then
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73 Write_Eol;
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74 Write_Line ("Compiler switches (passed to the compiler by gnatmake):");
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75
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76 else
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77 -- Usage line
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78
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79 Write_Str ("Usage: ");
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80 Write_Program_Name;
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81 Write_Char (' ');
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82 Write_Str ("switches sfile");
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83 Write_Eol;
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84 Write_Eol;
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85
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86 -- Line for sfile
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87
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88 Write_Line (" sfile Source file name");
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89 end if;
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90
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91 Write_Eol;
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92
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93 -- Common switches available everywhere
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94
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95 Write_Switch_Char ("g ", "");
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96 Write_Line ("Generate debugging information");
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97
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98 Write_Switch_Char ("Idir ", "");
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99 Write_Line ("Specify source files search path");
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100
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101 Write_Switch_Char ("I- ", "");
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102 Write_Line ("Do not look for sources in current directory");
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103
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104 Write_Switch_Char ("O[0123] ", "");
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105 Write_Line ("Control the optimization level");
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106
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107 Write_Eol;
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108
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109 -- Individual lines for switches. Write_Switch_Char outputs fourteen
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110 -- characters, so the remaining message is allowed to be a maximum of
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111 -- 65 characters to be comfortable in an 80 character window.
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112
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113 -- Line for -gnata switch
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114
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115 Write_Switch_Char ("a");
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116 Write_Line ("Assertions enabled. Pragma Assert/Debug to be activated");
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117
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118 -- Line for -gnatA switch
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119
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120 Write_Switch_Char ("A");
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121 Write_Line ("Avoid processing gnat.adc, if present file will be ignored");
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122
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123 -- Line for -gnatb switch
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124
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125 Write_Switch_Char ("b");
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126 Write_Line ("Generate brief messages to stderr even if verbose mode set");
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127
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128 -- Line for -gnatB switch
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129
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130 Write_Switch_Char ("B");
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131 Write_Line ("Assume no bad (invalid) values except in 'Valid attribute");
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132
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133 -- Line for -gnatc switch
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134
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135 Write_Switch_Char ("c");
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136 Write_Line ("Check syntax and semantics only (no code generation)");
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137
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138 -- Line for -gnatC switch
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139
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140 Write_Switch_Char ("C");
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141 Write_Line ("Generate CodePeer intermediate format (no code generation)");
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142
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143 -- Line for -gnatd switch
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144
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145 Write_Switch_Char ("d?");
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146 Write_Line ("Compiler debug option ? ([.]a-z,A-Z,0-9), see debug.adb");
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147
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148 -- Line for -gnatD switch
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149
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150 Write_Switch_Char ("D");
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151 Write_Line ("Debug expanded generated code (max line length = 72)");
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152 Write_Switch_Char ("Dnn");
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153 Write_Line ("Debug expanded generated code (max line length = nn)");
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154
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155 -- No line for -gnatea : internal switch
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156
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157 -- Line for -gnateA switch
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158
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159 Write_Switch_Char ("eA");
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160 Write_Line ("Aliasing checks on subprogram parameters");
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161
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162 -- Line for -gnatec switch
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163
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164 Write_Switch_Char ("ec=?");
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165 Write_Line ("Specify configuration pragmas file, e.g. -gnatec=/x/f.adc");
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166
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167 -- Line for -gnateC switch
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168
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169 Write_Switch_Char ("eC");
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170 Write_Line ("Generate CodePeer messages (ignored without -gnatcC)");
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171
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172 -- Line for -gnated switch
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173
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174 Write_Switch_Char ("ed");
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175 Write_Line ("Disable synchronization of atomic variables");
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176
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177 -- Line for -gnateD switch
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178
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179 Write_Switch_Char ("eD?");
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180 Write_Line ("Define or redefine preprocessing symbol, e.g. -gnateDsym=val");
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181
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182 -- Line for -gnateE switch
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183
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184 Write_Switch_Char ("eE");
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185 Write_Line ("Generate extra information in exception messages");
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186
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187 -- Line for -gnatef switch
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188
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189 Write_Switch_Char ("ef");
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190 Write_Line ("Full source path in brief error messages");
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191
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192 -- Line for -gnateF switch
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193
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194 Write_Switch_Char ("eF");
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195 Write_Line ("Check overflow on predefined Float types");
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196
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197 -- Line for -gnateG switch
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198
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199 Write_Switch_Char ("eG");
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200 Write_Line ("Generate preprocessed source");
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201
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202 -- Line for -gnatei switch
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203
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204 Write_Switch_Char ("einn");
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205 Write_Line ("Set maximum number of instantiations to nn");
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206
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207 -- Line for -gnateI switch
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208
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209 Write_Switch_Char ("eInn");
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210 Write_Line ("Index in multi-unit source, e.g. -gnateI2");
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211
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212 -- Line for -gnatel switch
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213
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214 Write_Switch_Char ("el");
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215 Write_Line ("Turn on info messages on generated Elaborate[_All] pragmas");
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216
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217 -- Line for -gnateL switch
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218
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219 Write_Switch_Char ("eL");
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220 Write_Line ("Turn off info messages on generated Elaborate[_All] pragmas");
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221
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222 -- Line for -gnatem switch
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223
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224 Write_Switch_Char ("em=?");
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225 Write_Line ("Specify mapping file, e.g. -gnatem=mapping");
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226
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227 -- No line for -gnateO=? : internal switch
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228
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229 -- Line for -gnatep switch
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230
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231 Write_Switch_Char ("ep=?");
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232 Write_Line ("Specify preprocessing data file, e.g. -gnatep=prep.data");
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233
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234 -- Line for -gnateP switch
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235
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236 Write_Switch_Char ("eP");
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237 Write_Line ("Pure/Prelaborate errors generate warnings rather than errors");
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238
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239 -- No line for -gnates=? : internal switch
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240
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241 -- Line for -gnateS switch
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242
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243 Write_Switch_Char ("eS");
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244 Write_Line ("Generate SCO (Source Coverage Obligation) information");
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245
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246 -- Line for -gnatet switch
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247
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248 Write_Switch_Char ("et=?");
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249 Write_Line ("Write target dependent information file ?, e.g. gnatet=tdf");
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250
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251 -- Line for -gnateT switch
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252
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253 Write_Switch_Char ("eT=?");
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254 Write_Line ("Read target dependent information file ?, e.g. gnateT=tdf");
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255
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256 -- Line for -gnateu switch
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257
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258 Write_Switch_Char ("eu");
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259 Write_Line ("Ignore unrecognized style/validity/warning switches");
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260
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261 -- Line for -gnateV switch
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262
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263 Write_Switch_Char ("eV");
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264 Write_Line ("Validity checks on subprogram parameters");
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265
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266 -- Line for -gnateY switch
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267
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268 Write_Switch_Char ("eY");
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269 Write_Line ("Ignore all Style_Checks pragmas in source");
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270
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271 -- No line for -gnatez : internal switch
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272
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273 -- Line for -gnatE switch
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274
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275 Write_Switch_Char ("E");
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276 Write_Line ("Dynamic elaboration checking mode enabled");
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277
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278 -- Line for -gnatf switch
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279
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280 Write_Switch_Char ("f");
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281 Write_Line ("Full errors. Verbose details, all undefined references");
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282
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283 -- Line for -gnatF switch
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284
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285 Write_Switch_Char ("F");
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286 Write_Line ("Force all import/export external names to all uppercase");
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287
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288 -- Line for -gnatg switch
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289
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290 Write_Switch_Char ("g");
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291 Write_Line ("GNAT implementation mode (used for compiling GNAT units)");
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292
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293 -- Lines for -gnatG switch
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294
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295 Write_Switch_Char ("G");
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296 Write_Line ("Output generated expanded code (max line length = 72)");
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297 Write_Switch_Char ("Gnn");
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298 Write_Line ("Output generated expanded code (max line length = nn)");
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299
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300 -- Line for -gnath switch
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301
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302 Write_Switch_Char ("h");
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303 Write_Line ("Output this usage (help) information");
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304
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131
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305 -- Line for -gnatH switch
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306
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307 Write_Switch_Char ("H");
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308 Write_Line ("Legacy elaboration checking mode enabled");
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309
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111
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310 -- Line for -gnati switch
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311
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312 Write_Switch_Char ("i?");
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313 Write_Line ("Identifier char set (?=1/2/3/4/5/8/9/p/f/n/w)");
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314
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315 -- Line for -gnatI switch
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316
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317 Write_Switch_Char ("I");
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318 Write_Line ("Ignore all representation clauses");
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319
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320 -- Line for -gnatj switch
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321
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322 Write_Switch_Char ("jnn");
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323 Write_Line ("Format error and warning messages to fit nn character lines");
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324
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131
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325 -- Line for -gnatJ switch
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326
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327 Write_Switch_Char ("J");
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328 Write_Line ("Relaxed elaboration checking mode enabled");
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329
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111
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330 -- Line for -gnatk switch
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331
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332 Write_Switch_Char ("k");
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333 Write_Line ("Limit file names to nn characters (k = krunch)");
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334
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335 -- Lines for -gnatl switch
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336
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337 Write_Switch_Char ("l");
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338 Write_Line ("Output full source listing with embedded error messages");
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339 Write_Switch_Char ("l=f");
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340 Write_Line ("Output full source listing to specified file");
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341
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342 -- Line for -gnatL switch
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343
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344 Write_Switch_Char ("L");
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345 Write_Line ("List corresponding source text in -gnatG or -gnatD output");
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346
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347 -- Line for -gnatm switch
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348
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349 Write_Switch_Char ("mnn");
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350 Write_Line ("Limit number of detected errors/warnings to nn (1-999999)");
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351
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352 -- Line for -gnatn switch
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353
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354 Write_Switch_Char ("n[?]");
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131
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355 Write_Line ("Enable pragma Inline across units (?=1/2 for moderate/full)");
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111
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356
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357 -- Line for -gnato switch
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358
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359 Write_Switch_Char ("o0");
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360 Write_Line ("Disable overflow checking");
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361
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362 Write_Switch_Char ("o");
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363 Write_Line ("Enable overflow checking in STRICT (-gnato1) mode (default)");
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364
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365 -- Lines for -gnato? switches
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366
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367 Write_Switch_Char ("o?");
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368 Write_Line
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369 ("Enable overflow checks in STRICT/MINIMIZED/ELIMINATED (1/2/3) mode ");
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370 Write_Switch_Char ("o??");
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371 Write_Line
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372 ("Set mode for general/assertion expressions separately");
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373
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374 -- No line for -gnatO : internal switch
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375
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376 -- Line for -gnatp switch
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377
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378 Write_Switch_Char ("p");
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379 Write_Line ("Suppress all checks");
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380
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381 -- Line for -gnatP switch
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382
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383 Write_Switch_Char ("P");
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384 Write_Line ("Generate periodic calls to System.Polling.Poll");
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385
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386 -- Line for -gnatq switch
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387
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388 Write_Switch_Char ("q");
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389 Write_Line ("Don't quit, try semantics, even if parse errors");
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390
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391 -- Line for -gnatQ switch
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392
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393 Write_Switch_Char ("Q");
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394 Write_Line ("Don't quit, write ali/tree file even if compile errors");
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395
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396 -- Line for -gnatr switch
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397
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398 Write_Switch_Char ("r");
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399 Write_Line ("Treat pragma Restrictions as Restriction_Warnings");
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400
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401 -- Lines for -gnatR switch
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402
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403 Write_Switch_Char ("R?");
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404 Write_Line
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405 ("List rep info (?=0/1/2/3/e/m for none/types/all/symbolic/ext/mech)");
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131
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406 Write_Switch_Char ("R?j");
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407 Write_Line ("List rep info in the JSON data interchange format");
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111
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408 Write_Switch_Char ("R?s");
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409 Write_Line ("List rep info to file.rep instead of standard output");
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410
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411 -- Line for -gnats switch
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412
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413 Write_Switch_Char ("s");
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414 Write_Line ("Syntax check only");
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415
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416 -- Line for -gnatS switch
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417
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418 Write_Switch_Char ("S");
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419 Write_Line ("Print listing of package Standard");
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420
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421 -- Line for -gnatt switch
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422
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423 Write_Switch_Char ("t");
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424 Write_Line ("Tree output file to be generated");
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425
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426 -- Line for -gnatTnn switch
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427
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428 Write_Switch_Char ("Tnn");
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429 Write_Line ("All compiler tables start at nn times usual starting size");
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430
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431 -- Line for -gnatu switch
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432
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433 Write_Switch_Char ("u");
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434 Write_Line ("List units for this compilation");
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435
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436 -- Line for -gnatU switch
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437
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438 Write_Switch_Char ("U");
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439 Write_Line ("Enable unique tag for error messages");
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440
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441 -- Line for -gnatv switch
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442
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443 Write_Switch_Char ("v");
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444 Write_Line ("Verbose mode. Full error output with source lines to stdout");
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445
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446 -- Lines for -gnatV switch
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447
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448 Write_Switch_Char ("Vxx");
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449 Write_Line
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450 ("Enable selected validity checking mode, xx = list of parameters:");
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451 Write_Line (" a turn on all validity checking options");
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452 Write_Line (" c turn on checking for copies");
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453 Write_Line (" C turn off checking for copies");
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454 Write_Line (" d turn on default (RM) checking");
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455 Write_Line (" D turn off default (RM) checking");
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456 Write_Line (" e turn on checking for elementary components");
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457 Write_Line (" E turn off checking for elementary components");
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458 Write_Line (" f turn on checking for floating-point");
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459 Write_Line (" F turn off checking for floating-point");
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460 Write_Line (" i turn on checking for in params");
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461 Write_Line (" I turn off checking for in params");
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462 Write_Line (" m turn on checking for in out params");
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463 Write_Line (" M turn off checking for in out params");
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131
|
464 Write_Line (" n turn off all validity checks (including RM)");
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111
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465 Write_Line (" o turn on checking for operators/attributes");
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466 Write_Line (" O turn off checking for operators/attributes");
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467 Write_Line (" p turn on checking for parameters");
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468 Write_Line (" P turn off checking for parameters");
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469 Write_Line (" r turn on checking for returns");
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470 Write_Line (" R turn off checking for returns");
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471 Write_Line (" s turn on checking for subscripts");
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472 Write_Line (" S turn off checking for subscripts");
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473 Write_Line (" t turn on checking for tests");
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474 Write_Line (" T turn off checking for tests");
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475
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476 -- Lines for -gnatw switch
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477
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478 Write_Switch_Char ("wxx");
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479 Write_Line ("Enable selected warning modes, xx = list of parameters:");
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480 Write_Line (" * indicates default setting");
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481 Write_Line (" + indicates warning flag included in -gnatwa");
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|
482 Write_Line (" a turn on all info/warnings marked below with +");
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483 Write_Line (" A turn off all optional info/warnings");
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|
484 Write_Line (" .a*+ turn on warnings for failing assertion");
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|
485 Write_Line (" .A turn off warnings for failing assertion");
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486 Write_Line (" b+ turn on warnings for bad fixed value " &
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487 "(not multiple of small)");
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488 Write_Line (" B* turn off warnings for bad fixed value " &
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|
489 "(not multiple of small)");
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|
490 Write_Line (" .b*+ turn on warnings for biased representation");
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|
491 Write_Line (" .B turn off warnings for biased representation");
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|
492 Write_Line (" c+ turn on warnings for constant conditional");
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|
493 Write_Line (" C* turn off warnings for constant conditional");
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|
494 Write_Line (" .c+ turn on warnings for unrepped components");
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|
495 Write_Line (" .C* turn off warnings for unrepped components");
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|
496 Write_Line (" d turn on warnings for implicit dereference");
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|
497 Write_Line (" D* turn off warnings for implicit dereference");
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|
498 Write_Line (" .d turn on tagging of warnings with -gnatw switch");
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|
499 Write_Line (" .D* turn off tagging of warnings with -gnatw switch");
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|
500 Write_Line (" e treat all warnings (but not info) as errors");
|
|
|
501 Write_Line (" .e turn on every optional info/warning " &
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|
|
502 "(no exceptions)");
|
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|
503 Write_Line (" E treat all run-time warnings as errors");
|
|
|
504 Write_Line (" f+ turn on warnings for unreferenced formal");
|
|
|
505 Write_Line (" F* turn off warnings for unreferenced formal");
|
|
|
506 Write_Line (" .f turn on warnings for suspicious Subp'Access");
|
|
|
507 Write_Line (" .F* turn off warnings for suspicious Subp'Access");
|
|
|
508 Write_Line (" g*+ turn on warnings for unrecognized pragma");
|
|
|
509 Write_Line (" G turn off warnings for unrecognized pragma");
|
|
|
510 Write_Line (" .g turn on GNAT warnings");
|
|
|
511 Write_Line (" h turn on warnings for hiding declarations");
|
|
|
512 Write_Line (" H* turn off warnings for hiding declarations");
|
|
|
513 Write_Line (" .h turn on warnings for holes in records");
|
|
|
514 Write_Line (" .H* turn off warnings for holes in records");
|
|
|
515 Write_Line (" i*+ turn on warnings for implementation unit");
|
|
|
516 Write_Line (" I turn off warnings for implementation unit");
|
|
|
517 Write_Line (" .i*+ turn on warnings for overlapping actuals");
|
|
|
518 Write_Line (" .I turn off warnings for overlapping actuals");
|
|
|
519 Write_Line (" j+ turn on warnings for obsolescent " &
|
|
|
520 "(annex J) feature");
|
|
|
521 Write_Line (" J* turn off warnings for obsolescent " &
|
|
|
522 "(annex J) feature");
|
|
|
523 Write_Line (" .j+ turn on warnings for late dispatching " &
|
|
|
524 "primitives");
|
|
|
525 Write_Line (" .J* turn off warnings for late dispatching " &
|
|
|
526 "primitives");
|
|
|
527 Write_Line (" k+ turn on warnings on constant variable");
|
|
|
528 Write_Line (" K* turn off warnings on constant variable");
|
|
|
529 Write_Line (" .k turn on warnings for standard redefinition");
|
|
|
530 Write_Line (" .K* turn off warnings for standard redefinition");
|
|
|
531 Write_Line (" l turn on warnings for elaboration problems");
|
|
|
532 Write_Line (" L* turn off warnings for elaboration problems");
|
|
|
533 Write_Line (" .l turn on info messages for inherited aspects");
|
|
|
534 Write_Line (" .L* turn off info messages for inherited aspects");
|
|
|
535 Write_Line (" m+ turn on warnings for variable assigned " &
|
|
|
536 "but not read");
|
|
|
537 Write_Line (" M* turn off warnings for variable assigned " &
|
|
|
538 "but not read");
|
|
|
539 Write_Line (" .m*+ turn on warnings for suspicious modulus value");
|
|
|
540 Write_Line (" .M turn off warnings for suspicious modulus value");
|
|
|
541 Write_Line (" n* normal warning mode (cancels -gnatws/-gnatwe)");
|
|
|
542 Write_Line (" .n turn on info messages for atomic " &
|
|
|
543 "synchronization");
|
|
|
544 Write_Line (" .N* turn off info messages for atomic " &
|
|
|
545 "synchronization");
|
|
|
546 Write_Line (" o* turn on warnings for address clause overlay");
|
|
|
547 Write_Line (" O turn off warnings for address clause overlay");
|
|
|
548 Write_Line (" .o turn on warnings for out parameters assigned " &
|
|
|
549 "but not read");
|
|
|
550 Write_Line (" .O* turn off warnings for out parameters assigned " &
|
|
|
551 "but not read");
|
|
|
552 Write_Line (" p+ turn on warnings for ineffective pragma " &
|
|
|
553 "Inline in frontend");
|
|
|
554 Write_Line (" P* turn off warnings for ineffective pragma " &
|
|
|
555 "Inline in frontend");
|
|
|
556 Write_Line (" .p+ turn on warnings for suspicious parameter " &
|
|
|
557 "order");
|
|
|
558 Write_Line (" .P* turn off warnings for suspicious parameter " &
|
|
|
559 "order");
|
|
|
560 Write_Line (" q*+ turn on warnings for questionable " &
|
|
|
561 "missing parenthesis");
|
|
|
562 Write_Line (" Q turn off warnings for questionable " &
|
|
|
563 "missing parenthesis");
|
|
|
564 Write_Line (" .q+ turn on warnings for questionable layout of " &
|
|
|
565 "record types");
|
|
|
566 Write_Line (" .Q* turn off warnings for questionable layout of " &
|
|
|
567 "record types");
|
|
|
568 Write_Line (" r+ turn on warnings for redundant construct");
|
|
|
569 Write_Line (" R* turn off warnings for redundant construct");
|
|
|
570 Write_Line (" .r+ turn on warnings for object renaming function");
|
|
|
571 Write_Line (" .R* turn off warnings for object renaming function");
|
|
|
572 Write_Line (" s suppress all info/warnings");
|
|
|
573 Write_Line (" .s turn on warnings for overridden size clause");
|
|
|
574 Write_Line (" .S* turn off warnings for overridden size clause");
|
|
|
575 Write_Line (" t turn on warnings for tracking deleted code");
|
|
|
576 Write_Line (" T* turn off warnings for tracking deleted code");
|
|
|
577 Write_Line (" .t*+ turn on warnings for suspicious contract");
|
|
|
578 Write_Line (" .T turn off warnings for suspicious contract");
|
|
|
579 Write_Line (" u+ turn on warnings for unused entity");
|
|
|
580 Write_Line (" U* turn off warnings for unused entity");
|
|
|
581 Write_Line (" .u turn on warnings for unordered enumeration");
|
|
|
582 Write_Line (" .U* turn off warnings for unordered enumeration");
|
|
|
583 Write_Line (" v*+ turn on warnings for unassigned variable");
|
|
|
584 Write_Line (" V turn off warnings for unassigned variable");
|
|
|
585 Write_Line (" .v*+ turn on info messages for reverse bit order");
|
|
|
586 Write_Line (" .V turn off info messages for reverse bit order");
|
|
|
587 Write_Line (" w*+ turn on warnings for wrong low bound assumption");
|
|
|
588 Write_Line (" W turn off warnings for wrong low bound " &
|
|
|
589 "assumption");
|
|
|
590 Write_Line (" .w turn on warnings on pragma Warnings Off");
|
|
|
591 Write_Line (" .W* turn off warnings on pragma Warnings Off");
|
|
|
592 Write_Line (" x*+ turn on warnings for export/import");
|
|
|
593 Write_Line (" X turn off warnings for export/import");
|
|
|
594 Write_Line (" .x+ turn on warnings for non-local exception");
|
|
|
595 Write_Line (" .X* turn off warnings for non-local exception");
|
|
|
596 Write_Line (" y*+ turn on warnings for Ada compatibility issues");
|
|
|
597 Write_Line (" Y turn off warnings for Ada compatibility issues");
|
|
|
598 Write_Line (" .y turn on info messages for why pkg body needed");
|
|
|
599 Write_Line (" .Y* turn off info messages for why pkg body needed");
|
|
|
600 Write_Line (" z*+ turn on warnings for suspicious " &
|
|
|
601 "unchecked conversion");
|
|
|
602 Write_Line (" Z turn off warnings for suspicious " &
|
|
|
603 "unchecked conversion");
|
|
|
604 Write_Line (" .z*+ turn on warnings for record size not a " &
|
|
|
605 "multiple of alignment");
|
|
|
606 Write_Line (" .Z turn off warnings for record size not a " &
|
|
|
607 "multiple of alignment");
|
|
|
608
|
|
|
609 -- Line for -gnatW switch
|
|
|
610
|
|
|
611 Write_Switch_Char ("W?");
|
|
|
612 Write_Str ("Wide character encoding method (?=");
|
|
|
613
|
|
|
614 for J in WC_Encoding_Method loop
|
|
|
615 Write_Char (WC_Encoding_Letters (J));
|
|
|
616
|
|
|
617 if J = WC_Encoding_Method'Last then
|
|
|
618 Write_Char (')');
|
|
|
619 else
|
|
|
620 Write_Char ('/');
|
|
|
621 end if;
|
|
|
622 end loop;
|
|
|
623
|
|
|
624 Write_Eol;
|
|
|
625
|
|
|
626 -- Line for -gnatx switch
|
|
|
627
|
|
|
628 Write_Switch_Char ("x");
|
|
|
629 Write_Line ("Suppress output of cross-reference information");
|
|
|
630
|
|
|
631 -- Line for -gnatX switch
|
|
|
632
|
|
|
633 Write_Switch_Char ("X");
|
|
|
634 Write_Line ("Language extensions permitted");
|
|
|
635
|
|
|
636 -- Lines for -gnaty switch
|
|
|
637
|
|
|
638 Write_Switch_Char ("y");
|
|
|
639 Write_Line ("Enable default style checks (same as -gnaty3abcefhiklmnprst)");
|
|
|
640 Write_Switch_Char ("yxx");
|
|
|
641 Write_Line ("Enable selected style checks xx = list of parameters:");
|
|
|
642 Write_Line (" 1-9 check indentation");
|
|
|
643 Write_Line (" a check attribute casing");
|
|
|
644 Write_Line (" A check array attribute indexes");
|
|
|
645 Write_Line (" b check no blanks at end of lines");
|
|
|
646 Write_Line (" B check no use of AND/OR for boolean expressions");
|
|
|
647 Write_Line (" c check comment format (two spaces)");
|
|
|
648 Write_Line (" C check comment format (one space)");
|
|
|
649 Write_Line (" d check no DOS line terminators");
|
|
|
650 Write_Line (" e check end/exit labels present");
|
|
|
651 Write_Line (" f check no form feeds/vertical tabs in source");
|
|
|
652 Write_Line (" g check standard GNAT style rules, same as ydISux");
|
|
|
653 Write_Line (" h check no horizontal tabs in source");
|
|
|
654 Write_Line (" i check if-then layout");
|
|
|
655 Write_Line (" I check mode in");
|
|
|
656 Write_Line (" k check casing rules for keywords");
|
|
|
657 Write_Line (" l check reference manual layout");
|
|
|
658 Write_Line (" Lnn check max nest level < nn ");
|
|
|
659 Write_Line (" m check line length <= 79 characters");
|
|
|
660 Write_Line (" Mnn check line length <= nn characters");
|
|
|
661 Write_Line (" n check casing of package Standard identifiers");
|
|
|
662 Write_Line (" N turn off all checks");
|
|
|
663 Write_Line (" o check subprogram bodies in alphabetical order");
|
|
|
664 Write_Line (" O check overriding indicators");
|
|
|
665 Write_Line (" p check pragma casing");
|
|
|
666 Write_Line (" r check casing for identifier references");
|
|
|
667 Write_Line (" s check separate subprogram specs present");
|
|
|
668 Write_Line (" S check separate lines after THEN or ELSE");
|
|
|
669 Write_Line (" t check token separation rules");
|
|
|
670 Write_Line (" u check no unnecessary blank lines");
|
|
|
671 Write_Line (" x check extra parentheses around conditionals");
|
|
|
672 Write_Line (" y turn on default style checks");
|
|
|
673 Write_Line (" - subtract (turn off) subsequent checks");
|
|
|
674 Write_Line (" + add (turn on) subsequent checks");
|
|
|
675
|
|
|
676 -- Lines for -gnatyN switch
|
|
|
677
|
|
|
678 Write_Switch_Char ("yN");
|
|
|
679 Write_Line ("Cancel all previously set style checks");
|
|
|
680
|
|
|
681 -- Lines for -gnatzc switch
|
|
|
682
|
|
|
683 Write_Switch_Char ("zc");
|
|
|
684 Write_Line ("Distribution stub generation for caller stubs");
|
|
|
685
|
|
|
686 -- Lines for -gnatzr switch
|
|
|
687
|
|
|
688 Write_Switch_Char ("zr");
|
|
|
689 Write_Line ("Distribution stub generation for receiver stubs");
|
|
|
690
|
|
|
691 if not Latest_Ada_Only then
|
|
|
692
|
|
|
693 -- Line for -gnat83 switch
|
|
|
694
|
|
|
695 Write_Switch_Char ("83");
|
|
|
696 Write_Line ("Ada 83 mode");
|
|
|
697
|
|
|
698 -- Line for -gnat95 switch
|
|
|
699
|
|
|
700 Write_Switch_Char ("95");
|
|
|
701
|
|
|
702 if Ada_Version_Default = Ada_95 then
|
|
|
703 Write_Line ("Ada 95 mode (default)");
|
|
|
704 else
|
|
|
705 Write_Line ("Ada 95 mode");
|
|
|
706 end if;
|
|
|
707
|
|
|
708 -- Line for -gnat2005 switch
|
|
|
709
|
|
|
710 Write_Switch_Char ("2005");
|
|
|
711
|
|
|
712 if Ada_Version_Default = Ada_2005 then
|
|
|
713 Write_Line ("Ada 2005 mode (default)");
|
|
|
714 else
|
|
|
715 Write_Line ("Ada 2005 mode");
|
|
|
716 end if;
|
|
|
717 end if;
|
|
|
718
|
|
|
719 -- Line for -gnat2012 switch
|
|
|
720
|
|
|
721 Write_Switch_Char ("2012");
|
|
|
722
|
|
|
723 if Ada_Version_Default = Ada_2012 then
|
|
|
724 Write_Line ("Ada 2012 mode (default)");
|
|
|
725 else
|
|
|
726 Write_Line ("Ada 2012 mode");
|
|
|
727 end if;
|
|
|
728
|
|
|
729 -- Line for -gnat-p switch
|
|
|
730
|
|
|
731 Write_Switch_Char ("-p");
|
|
|
732 Write_Line ("Cancel effect of previous -gnatp switch");
|
|
|
733
|
|
|
734 end Usage;
|
