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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 -- O P T --
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6 -- --
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7 -- S p e c --
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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. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- This package contains global flags set by the initialization routine from
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33 -- the command line and referenced throughout the compiler, the binder, or
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34 -- other GNAT tools. The comments indicate which options are used by which
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35 -- programs (GNAT, GNATBIND, GNATLINK, GNATMAKE, etc).
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36
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37 -- Some flags are labelled "PROJECT MANAGER". These are used by tools that
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38 -- use the Project Manager. These tools include gnatmake, gnatname, the gnat
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39 -- driver, gnatclean, gprbuild and gprclean.
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40
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41 with Hostparm; use Hostparm;
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42 with Types; use Types;
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43
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44 pragma Warnings (Off);
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45 -- This package is used also by gnatcoll
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46 with System.Strings; use System.Strings;
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47 with System.WCh_Con; use System.WCh_Con;
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48 pragma Warnings (On);
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49
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50 package Opt is
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51
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52 ----------------------
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53 -- Checksum Control --
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54 ----------------------
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55
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56 -- Checksums are computed for sources to check for sources being the same
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57 -- from a compilation point of view (e.g. spelling of identifiers and
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58 -- white space layout do not count in this computation).
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59
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60 -- The way the checksum is computed has evolved across the various versions
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61 -- of GNAT. When gprbuild is called with -m, the checksums must be computed
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62 -- the same way in gprbuild as it was in the GNAT version of the compiler.
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63 -- The different ways are
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64
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65 -- Version 6.4 and later:
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66
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67 -- The Accumulate_Token_Checksum procedure is called after each numeric
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68 -- literal and each identifier/keyword. For keywords, Tok_Identifier is
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69 -- used in the call to Accumulate_Token_Checksum.
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70
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71 -- Versions 5.04 to 6.3:
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72
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73 -- For keywords, the token value were used in the call to procedure
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74 -- Accumulate_Token_Checksum. Type Token_Type did not include Tok_Some.
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75
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76 -- Versions 5.03:
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77
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78 -- For keywords, the token value were used in the call to
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79 -- Accumulate_Token_Checksum. Type Token_Type did not include
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80 -- Tok_Interface, Tok_Overriding, Tok_Synchronized and Tok_Some.
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81
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82 -- Versions 5.02 and before:
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83
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84 -- No calls to procedure Accumulate_Token_Checksum (the checksum
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85 -- mechanism was introduced in version 5.03).
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86
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87 -- To signal to the scanner whether Accumulate_Token_Checksum needs to be
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88 -- called and what versions to call, the following Boolean flags are used:
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89
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90 Checksum_Accumulate_Token_Checksum : Boolean := True;
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91 -- GPRBUILD
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92 -- Set to False by gprbuild when the version of GNAT is 5.02 or before. If
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93 -- this switch is False, then we do not call Accumulate_Token_Checksum, so
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94 -- the setting of the following two flags is irrelevant.
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95
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96 Checksum_GNAT_6_3 : Boolean := False;
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97 -- GPRBUILD
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98 -- Set to True by gprbuild when the version of GNAT is 6.3 or before.
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99
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100 Checksum_GNAT_5_03 : Boolean := False;
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101 -- GPRBUILD
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102 -- Set to True by gprbuild when the version of GNAT is 5.03 or before.
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103
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104 Checksum_Accumulate_Limited_Checksum : Boolean := False;
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105 -- Used to control the computation of the limited view of a package.
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106 -- (Not currently used, possible optimization for ALI files of units
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107 -- in limited with_clauses).
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108
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109 ----------------------------------------------
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110 -- Settings of Modes for Current Processing --
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111 ----------------------------------------------
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112
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113 -- The following mode values represent the current state of processing.
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114 -- The values set here are the default values. Unless otherwise noted,
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115 -- the value may be reset in Switch-? with an appropriate switch. In
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116 -- some cases, the values can also be modified by pragmas, and in the
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117 -- case of some binder variables, Gnatbind.Scan_Bind_Arg may modify
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118 -- the default values.
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119
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120 Latest_Ada_Only : Boolean := False;
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121 -- If True, the only value valid for Ada_Version is Ada_Version_Type'Last,
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122 -- trying to specify other values will be ignored (in case of pragma
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123 -- Ada_xxx) or generate an error (in case of -gnat83/95/xx switches).
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124
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125 type Ada_Version_Type is (Ada_83, Ada_95, Ada_2005, Ada_2012, Ada_2020);
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126 pragma Ordered (Ada_Version_Type);
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127 -- Versions of Ada for Ada_Version below. Note that these are ordered,
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128 -- so that tests like Ada_Version >= Ada_95 are legitimate and useful.
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129 -- Think twice before using "="; Ada_Version >= Ada_2012 is more likely
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130 -- what you want, because it will apply to future versions of the language.
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131
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132 Ada_Version_Default : constant Ada_Version_Type := Ada_2012;
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133 pragma Warnings (Off, Ada_Version_Default);
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134 -- GNAT
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135 -- Default Ada version if no switch given. The Warnings off is to kill
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136 -- constant condition warnings.
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137
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138 Ada_Version : Ada_Version_Type := Ada_Version_Default;
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139 -- GNAT
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140 -- Current Ada version for compiler, as set by configuration pragmas,
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141 -- compiler switches, or implicitly (to Ada_Version_Runtime) when a
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142 -- predefined or internal file is compiled.
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143
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144 Ada_Version_Pragma : Node_Id := Empty;
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145 -- Reflects the Ada_xxx pragma that resulted in setting Ada_Version. Used
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146 -- to specialize error messages complaining about the Ada version in use.
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147
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148 Ada_Version_Explicit : Ada_Version_Type := Ada_Version_Default;
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149 -- GNAT
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150 -- Like Ada_Version, but does not get set implicitly for predefined or
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151 -- internal units, so it reflects the Ada version explicitly set using
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152 -- configuration pragmas or compiler switches (or if neither appears, it
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153 -- remains set to Ada_Version_Default). This is used in the rare cases
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154 -- (notably pragma Obsolescent) where we want the explicit version set.
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155
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156 Ada_Version_Runtime : Ada_Version_Type := Ada_2012;
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157 -- GNAT
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158 -- Ada version used to compile the runtime. Used to set Ada_Version (but
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159 -- not Ada_Version_Explicit) when compiling predefined or internal units.
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160
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161 Ada_Final_Suffix : constant String := "final";
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162 Ada_Final_Name : String_Ptr := new String'("ada" & Ada_Final_Suffix);
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163 -- GNATBIND
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164 -- The name of the procedure that performs the finalization at the end of
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165 -- execution. This variable may be modified by Gnatbind.Scan_Bind_Arg.
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166
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167 Ada_Init_Suffix : constant String := "init";
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168 Ada_Init_Name : String_Ptr := new String'("ada" & Ada_Init_Suffix);
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169 -- GNATBIND
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170 -- The name of the procedure that performs initialization at the start
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171 -- of execution. This variable may be modified by Gnatbind.Scan_Bind_Arg.
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172
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173 Ada_Main_Name_Suffix : constant String := "main";
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174 -- GNATBIND
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175 -- The suffix for Ada_Main_Name. Defined as a constant here so that it
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176 -- can be referenced in a uniform manner to create either the default
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177 -- value of Ada_Main_Name (declared below), or the non-default name
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178 -- set by Gnatbind.Scan_Bind_Arg.
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179
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180 Ada_Main_Name : String_Ptr := new String'("ada_" & Ada_Main_Name_Suffix);
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181 -- GNATBIND
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182 -- The name of the Ada package generated by the binder (when in Ada mode).
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183 -- This variable may be modified by Gnatbind.Scan_Bind_Arg.
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184
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185 Address_Clause_Overlay_Warnings : Boolean := True;
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186 -- GNAT
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187 -- Set False to disable address clause warnings. Modified by use of
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188 -- -gnatwo/O.
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189
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190 Address_Is_Private : Boolean := False;
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191 -- GNAT, GNATBIND
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192 -- Set True if package System has the line "type Address is private;"
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193
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194 All_Errors_Mode : Boolean := False;
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195 -- GNAT
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196 -- Flag set to force display of multiple errors on a single line and
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197 -- also repeated error messages for references to undefined identifiers
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198 -- and certain other repeated error messages. Set by use of -gnatf.
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199
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200 Allow_Integer_Address : Boolean := False;
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201 -- GNAT
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202 -- Allow use of integer expression in a context requiring System.Address.
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203 -- Set by the use of configuration pragma Allow_Integer_Address Also set
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204 -- in relaxed semantics mode for use by CodePeer or when -gnatd.M is used.
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205
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206 All_Sources : Boolean := False;
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207 -- GNATBIND
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208 -- Set to True to require all source files to be present. This flag is
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209 -- directly modified by gnatmake to affect the shared binder routines.
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210
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211 Alternate_Main_Name : String_Ptr := null;
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212 -- GNATBIND
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213 -- Set to non-null when Bind_Alternate_Main_Name is True. This value
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214 -- is modified as needed by Gnatbind.Scan_Bind_Arg.
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215
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216 ASIS_GNSA_Mode : Boolean := False;
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217 -- GNAT
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218 -- Enable GNSA back-end processing assuming ASIS_Mode is already set to
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219 -- True. ASIS_GNSA mode suppresses the call to gigi.
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220
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221 ASIS_Mode : Boolean := False;
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222 -- GNAT
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223 -- Enable semantic checks and tree transformations that are important
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224 -- for ASIS but that are usually skipped if Operating_Mode is set to
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225 -- Check_Semantics. This flag does not have the corresponding option to set
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226 -- it ON. It is set ON when Tree_Output is set ON, it can also be set ON
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227 -- from the code of GNSA-based tool (a client may need to set ON the
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228 -- Back_Annotate_Rep_Info flag in this case. At the moment this does not
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229 -- make very much sense, because GNSA cannot do back annotation).
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230
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231 Assertions_Enabled : Boolean := False;
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232 -- GNAT
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233 -- Indicates default policy (True = Check, False = Ignore) to be applied
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234 -- to all assertion aspects and pragmas, and to pragma Debug, if there is
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235 -- no overriding Assertion_Policy, Check_Policy, or Debug_Policy pragma.
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236 -- Set True by use of -gnata.
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237
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238 Assume_No_Invalid_Values : Boolean := False;
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239 -- GNAT Normally, in accordance with (RM 13.9.1 (9-11)) the front end
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240 -- assumes that values could have invalid representations, unless it can
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241 -- clearly prove that the values are valid. If this switch is set (by
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242 -- pragma Assume_No_Invalid_Values (On)), then the compiler assumes values
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243 -- are valid and in range of their representations. This feature is now
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244 -- fully enabled in the compiler.
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245
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246 Back_Annotate_Rep_Info : Boolean := False;
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247 -- GNAT
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248 -- If set True, enables back annotation of representation information
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249 -- by gigi, even in -gnatc mode. This is set True by the use of -gnatR
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250 -- (list representation information) or -gnatt (generate tree). It is
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251 -- also set true if certain Unchecked_Conversion instantiations require
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252 -- checking based on annotated values.
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253
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254 Back_End_Handles_Limited_Types : Boolean;
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255 -- This flag is set true if the back end can properly handle limited or
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256 -- other by reference types, and avoid copies. If this flag is False, then
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257 -- the front end does special expansion for if/case expressions to make
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258 -- sure that no copy occurs. If the flag is True, then the expansion for
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259 -- if and case expressions relies on the back end properly handling things.
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260 -- Currently the default is False for all cases (set in gnat1drv). The
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261 -- default can be modified using -gnatd.L (sets the flag True). This is
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262 -- used to test the possibility of having the backend handle this.
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263
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264 Back_End_Inlining : Boolean := False;
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265 -- GNAT
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266 -- Set True to activate inlining by back-end expansion. This is the normal
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267 -- default mode for gcc targets, so it is True on such targets unless the
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268 -- switches -gnatN or -gnatd.z are used. See circuitry in gnat1drv for the
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269 -- exact conditions for setting this switch.
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270
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271 Bind_Alternate_Main_Name : Boolean := False;
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272 -- GNATBIND
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273 -- True if main should be called Alternate_Main_Name.all.
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274 -- This variable may be set to True by Gnatbind.Scan_Bind_Arg.
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275
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276 Bind_Main_Program : Boolean := True;
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277 -- GNATBIND
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278 -- Set to False if not binding main Ada program
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279
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280 Bind_For_Library : Boolean := False;
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281 -- GNATBIND
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282 -- Set to True if the binder needs to generate a file designed for building
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283 -- a library. May be set to True by Gnatbind.Scan_Bind_Arg.
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284
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285 Bind_Only : Boolean := False;
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286 -- GNATMAKE, GPRBUILD
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287 -- Set to True to skip compile and link steps
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288 -- (except when Compile_Only and/or Link_Only are True).
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289
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290 Blank_Deleted_Lines : Boolean := False;
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291 -- GNAT, GNATPREP
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292 -- Output empty lines for each line of preprocessed input that is deleted
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293 -- in the output, including preprocessor lines starting with a '#'.
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294
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295 Brief_Output : Boolean := False;
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296 -- GNAT, GNATBIND
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297 -- Force brief error messages to standard error, even if verbose mode is
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298 -- set (so that main error messages go to standard output).
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299
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300 Build_Bind_And_Link_Full_Project : Boolean := False;
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301 -- GNATMAKE
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302 -- Set to True to build, bind and link all the sources of a project file
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303 -- (switch -B)
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304
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305 Check_Aliasing_Of_Parameters : Boolean := False;
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306 -- GNAT
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307 -- Set to True to detect whether subprogram parameters and function results
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308 -- alias the same object(s).
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309
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310 Check_Float_Overflow : Boolean := False;
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311 -- GNAT
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312 -- Set to True to check that operations on predefined unconstrained float
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313 -- types (e.g. Float, Long_Float) do not overflow and generate infinities
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314 -- or invalid values. Set by the Check_Float_Overflow pragma, or by use
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315 -- of the -gnateF switch.
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316
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317 Check_Object_Consistency : Boolean := False;
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318 -- GNATBIND, GNATMAKE
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319 -- Set to True to check whether every object file is consistent with its
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320 -- corresponding ada library information (ALI) file. An object file is
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321 -- inconsistent with the corresponding ALI file if the object file does
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322 -- not exist or if it has an older time stamp than the ALI file. Default
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323 -- above is for GNATBIND. GNATMAKE overrides this default to True (see
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324 -- Make.Initialize) since we normally do need to check source consistencies
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325 -- in gnatmake.
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326
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327 Check_Only : Boolean := False;
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328 -- GNATBIND
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329 -- Set to True to do checks only, no output of binder file
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330
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331 Check_Policy_List : Node_Id := Empty;
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332 -- GNAT
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333 -- This points to the list of N_Pragma nodes for Check_Policy pragmas
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334 -- that are linked through the Next_Pragma fields, with the list being
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335 -- terminated by Empty. The order is most recently processed first. Note
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336 -- that Push_Scope and Pop_Scope in Sem_Ch8 save and restore the value
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337 -- of this variable, implementing the required scope control for pragmas
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338 -- appearing in a declarative part.
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339
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340 Check_Readonly_Files : Boolean := False;
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341 -- GNATMAKE
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342 -- Set to True to check readonly files during the make process
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343
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344 Check_Source_Files : Boolean := True;
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345 -- GNATBIND, GNATMAKE
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346 -- Set to True to enable consistency checking for any source files that
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347 -- are present (i.e. date must match the date in the library info file).
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348 -- Set to False for object file consistency check only. This flag is
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349 -- directly modified by gnatmake, to affect the shared binder routines.
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350
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351 Check_Switches : Boolean := False;
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352 -- GNATMAKE, GPBUILD
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353 -- Set to True to check compiler options during the make process
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354
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355 Check_Unreferenced : Boolean := False;
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356 -- GNAT
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357 -- Set to True to enable checking for unreferenced entities other
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358 -- than formal parameters (for which see Check_Unreferenced_Formals)
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359 -- Modified by use of -gnatwu/U.
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360
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361 Check_Unreferenced_Formals : Boolean := False;
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362 -- GNAT
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363 -- Set to True to check for unreferenced formals. This is turned on by
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364 -- -gnatwa/wf/wu and turned off by -gnatwA/wF/wU.
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365
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366 Check_Validity_Of_Parameters : Boolean := False;
|
|
|
367 -- GNAT
|
|
|
368 -- Set to True to check for proper scalar initialization of subprogram
|
|
|
369 -- parameters on both entry and exit. This is turned on by -gnateV.
|
|
|
370
|
|
|
371 Check_Withs : Boolean := False;
|
|
|
372 -- GNAT
|
|
|
373 -- Set to True to enable checking for unused withs, and also the case
|
|
|
374 -- of withing a package and using none of the entities in the package.
|
|
|
375 -- Modified by use of -gnatwu/U.
|
|
|
376
|
|
|
377 CodePeer_Mode : Boolean := False;
|
|
|
378 -- GNAT, GNATBIND, GPRBUILD
|
|
|
379 -- Enable full CodePeer mode (SCIL generation, disable switches that
|
|
|
380 -- interact badly with it, etc...). This is turned on by -gnatC.
|
|
|
381
|
|
|
382 Commands_To_Stdout : Boolean := False;
|
|
|
383 -- GNATMAKE
|
|
|
384 -- True if echoed commands to be written to stdout instead of stderr
|
|
|
385
|
|
|
386 Comment_Deleted_Lines : Boolean := False;
|
|
|
387 -- GNATPREP
|
|
|
388 -- True if source lines removed by the preprocessor should be commented
|
|
|
389 -- in the output file.
|
|
|
390
|
|
|
391 Compilation_Time : String (1 .. 19);
|
|
|
392 -- GNAT
|
|
|
393 -- Compilation date and time in form YYYY-MM-DD HH:MM:SS
|
|
|
394
|
|
|
395 Compile_Only : Boolean := False;
|
|
|
396 -- GNATMAKE, GNATCLEAN, GPBUILD, GPRCLEAN
|
|
|
397 -- GNATMAKE, GPRBUILD:
|
|
|
398 -- set True to skip bind and link steps (except when Bind_Only is True)
|
|
|
399 -- GNATCLEAN, GPRCLEAN:
|
|
|
400 -- set True to delete only the files produced by the compiler but not the
|
|
|
401 -- library files or the executable files.
|
|
|
402
|
|
|
403 Compiler_Unit : Boolean := False;
|
|
|
404 -- GNAT1
|
|
|
405 -- Set True by an occurrence of pragma Compiler_Unit_Warning (or of the
|
|
|
406 -- obsolete pragma Compiler_Unit) in the main unit. Once set True, stays
|
|
|
407 -- True, since any units that are with'ed directly or indirectly by
|
|
|
408 -- a Compiler_Unit_Warning main unit are subject to the same restrictions.
|
|
|
409 -- Such units really should have their own pragmas, but we do not bother to
|
|
|
410 -- check for that, so this transitivity provides extra checking.
|
|
|
411
|
|
|
412 Config_File : Boolean := True;
|
|
|
413 -- GNAT
|
|
|
414 -- Set to False to inhibit reading and processing of gnat.adc file
|
|
|
415
|
|
|
416 Config_File_Names : String_List_Access := null;
|
|
|
417 -- GNAT
|
|
|
418 -- Names of configuration pragmas files (given by switches -gnatec)
|
|
|
419
|
|
|
420 Configurable_Run_Time_Mode : Boolean := False;
|
|
|
421 -- GNAT, GNATBIND
|
|
|
422 -- Set True if the compiler is operating in configurable run-time mode.
|
|
|
423 -- This happens if the flag Targparm.Configurable_Run_TimeMode_On_Target
|
|
|
424 -- is set True, or if pragma No_Run_Time is used. See the spec of Rtsfind
|
|
|
425 -- for details on the handling of the latter pragma.
|
|
|
426
|
|
|
427 Constant_Condition_Warnings : Boolean := False;
|
|
|
428 -- GNAT
|
|
|
429 -- Set to True to activate warnings on constant conditions. Modified by
|
|
|
430 -- use of -gnatwc/C.
|
|
|
431
|
|
|
432 Create_Mapping_File : Boolean := False;
|
|
|
433 -- GNATMAKE
|
|
|
434 -- Set to True (-C switch) to indicate that the compiler will be invoked
|
|
|
435 -- with a mapping file (-gnatem compiler switch).
|
|
|
436
|
|
|
437 subtype Debug_Level_Value is Nat range 0 .. 3;
|
|
|
438 Debugger_Level : Debug_Level_Value := 0;
|
|
|
439 -- GNAT, GNATBIND
|
|
|
440 -- The value given to the -g parameter. The default value for -g with
|
|
|
441 -- no value is 2. If no -g is specified, defaults to 0.
|
|
|
442 -- Note that the generated code should never depend on this variable,
|
|
|
443 -- since we want debug info to be nonintrusive on the generate code.
|
|
|
444
|
|
|
445 Default_Exit_Status : Int := 0;
|
|
|
446 -- GNATBIND
|
|
|
447 -- Set the default exit status value. Set by the -Xnnn switch for the
|
|
|
448 -- binder.
|
|
|
449
|
|
|
450 Debug_Generated_Code : Boolean := False;
|
|
|
451 -- GNAT
|
|
|
452 -- Set True (-gnatD switch) to debug generated expanded code instead
|
|
|
453 -- of the original source code. Causes debugging information to be
|
|
|
454 -- written with respect to the generated code file that is written.
|
|
|
455
|
|
|
456 Default_Pool : Node_Id := Empty;
|
|
|
457 -- GNAT
|
|
|
458 -- Used to record the storage pool name (or null literal) that is the
|
|
|
459 -- argument of an applicable pragma Default_Storage_Pool.
|
|
|
460 -- Empty: No pragma Default_Storage_Pool applies.
|
|
|
461 -- N_Null node: "pragma Default_Storage_Pool (null);" applies.
|
|
|
462 -- otherwise: "pragma Default_Storage_Pool (X);" applies, and
|
|
|
463 -- this points to the name X.
|
|
|
464 -- Push_Scope and Pop_Scope in Sem_Ch8 save and restore this value.
|
|
|
465
|
|
|
466 No_Stack_Size : constant := -1;
|
|
|
467
|
|
|
468 Default_Stack_Size : Int := No_Stack_Size;
|
|
|
469 -- GNATBIND
|
|
|
470 -- Set to default primary stack size in units of bytes. Set by the -dnnn
|
|
|
471 -- switch for the binder. A value of No_Stack_Size indicates that
|
|
|
472 -- no default was set by the binder.
|
|
|
473
|
|
|
474 Default_Sec_Stack_Size : Int := No_Stack_Size;
|
|
|
475 -- GNATBIND
|
|
|
476 -- Set to default secondary stack size in units of bytes. Set by the -Dnnn
|
|
|
477 -- switch for the binder. A value of No_Stack_Size indicates that no
|
|
|
478 -- default was set by the binder and the run-time value should be used
|
|
|
479 -- instead.
|
|
|
480
|
|
|
481 Default_SSO : Character := ' ';
|
|
|
482 -- GNAT
|
|
|
483 -- Set if a pragma Default_Scalar_Storage_Order has been given. The value
|
|
|
484 -- of ' ' indicates that no default has been set, otherwise the value is
|
|
|
485 -- either 'H' for High_Order_First or 'L' for Lower_Order_First.
|
|
|
486
|
|
|
487 Detect_Blocking : Boolean := False;
|
|
|
488 -- GNAT
|
|
|
489 -- Set True to force the run time to raise Program_Error if calls to
|
|
|
490 -- potentially blocking operations are detected from protected actions.
|
|
|
491
|
|
|
492 Directories_Must_Exist_In_Projects : Boolean := True;
|
|
|
493 -- PROJECT MANAGER
|
|
|
494 -- Set to False with switch -f of gnatclean and gprclean
|
|
|
495
|
|
|
496 Display_Compilation_Progress : Boolean := False;
|
|
|
497 -- GNATMAKE, GPRBUILD
|
|
|
498 -- Set True (-d switch) to display information on progress while compiling
|
|
|
499 -- files. Internal flag to be used in conjunction with an IDE (e.g GPS).
|
|
|
500
|
|
|
501 type Distribution_Stub_Mode_Type is
|
|
|
502 -- GNAT
|
|
|
503 (No_Stubs,
|
|
|
504 -- Normal mode, no generation/compilation of distribution stubs
|
|
|
505
|
|
|
506 Generate_Receiver_Stub_Body,
|
|
|
507 -- The unit being compiled is the RCI body, and the compiler will
|
|
|
508 -- generate the body for the receiver stubs and compile it.
|
|
|
509
|
|
|
510 Generate_Caller_Stub_Body);
|
|
|
511 -- The unit being compiled is the RCI spec, and the compiler will
|
|
|
512 -- generate the body for the caller stubs and compile it.
|
|
|
513
|
|
|
514 Distribution_Stub_Mode : Distribution_Stub_Mode_Type := No_Stubs;
|
|
|
515 -- GNAT
|
|
|
516 -- This enumeration variable indicates the five states of distribution
|
|
|
517 -- annex stub generation/compilation.
|
|
|
518
|
|
|
519 Do_Not_Execute : Boolean := False;
|
|
|
520 -- GNATMAKE
|
|
|
521 -- Set to True if no actual compilations should be undertaken
|
|
|
522
|
|
|
523 Dump_Source_Text : Boolean := False;
|
|
|
524 -- GNAT
|
|
|
525 -- Set to True (by -gnatL) to dump source text intermingled with generated
|
|
|
526 -- code. Effective only if either of Debug/Print_Generated_Code is true.
|
|
|
527
|
|
|
528 Dynamic_Elaboration_Checks : Boolean := False;
|
|
|
529 -- GNAT
|
|
|
530 -- Set True for dynamic elaboration checking mode, as set by the -gnatE
|
|
|
531 -- switch or by the use of pragma Elaboration_Checks (Dynamic).
|
|
|
532
|
|
|
533 Dynamic_Stack_Measurement : Boolean := False;
|
|
|
534 -- GNATBIND
|
|
|
535 -- Set True to enable dynamic stack measurement (-u flag for gnatbind)
|
|
|
536
|
|
|
537 Dynamic_Stack_Measurement_Array_Size : Nat := 100;
|
|
|
538 -- GNATBIND
|
|
|
539 -- Number of measurements we want to store during dynamic stack analysis.
|
|
|
540 -- When the buffer is full, non-storable results will be output on the fly.
|
|
|
541 -- The value is relevant only if Dynamic_Stack_Measurement is set. Set
|
|
|
542 -- by processing of -u flag for gnatbind.
|
|
|
543
|
|
|
544 Elab_Dependency_Output : Boolean := False;
|
|
|
545 -- GNATBIND
|
|
|
546 -- Set to True to output complete list of elaboration constraints
|
|
|
547
|
|
|
548 Elab_Order_Output : Boolean := False;
|
|
|
549 -- GNATBIND
|
|
|
550 -- Set to True to output chosen elaboration order
|
|
|
551
|
|
|
552 Elab_Info_Messages : Boolean := False;
|
|
|
553 -- GNAT
|
|
|
554 -- Set to True to output info messages for static elabmodel (-gnatel)
|
|
|
555
|
|
131
|
556 Elab_Warnings : Boolean := True;
|
|
111
|
557 -- GNAT
|
|
131
|
558 -- Set to True to generate elaboration warnings (-gnatwl). The warnings are
|
|
|
559 -- enabled by default because they carry the same importance as errors. The
|
|
|
560 -- compiler cannot emit actual errors because elaboration diagnostics need
|
|
|
561 -- dataflow analysis, which is not available. This behavior parallels that
|
|
|
562 -- of the old ABE mechanism.
|
|
111
|
563
|
|
|
564 Error_Msg_Line_Length : Nat := 0;
|
|
|
565 -- GNAT
|
|
|
566 -- Records the error message line length limit. If this is set to zero,
|
|
|
567 -- then we get the old style behavior, in which each call to the error
|
|
|
568 -- message routines generates one line of output as a separate message.
|
|
|
569 -- If it is set to a non-zero value, then continuation lines are folded
|
|
|
570 -- to make a single long message, and then this message is split up into
|
|
|
571 -- multiple lines not exceeding the specified length. Set by -gnatj=nn.
|
|
|
572
|
|
|
573 Error_To_Warning : Boolean := False;
|
|
|
574 -- GNAT
|
|
|
575 -- If True, then certain error messages (e.g. parameter overlap messages
|
|
|
576 -- for procedure calls in Ada 2012 mode) are treated as warnings instead
|
|
|
577 -- of errors. Set by debug flag -gnatd.E. A search for Error_To_Warning
|
|
|
578 -- will identify affected messages.
|
|
|
579
|
|
|
580 Exception_Handler_Encountered : Boolean := False;
|
|
|
581 -- GNAT
|
|
|
582 -- This flag is set true if the parser encounters an exception handler.
|
|
|
583 -- It is used to set Warn_On_Exception_Propagation True if the restriction
|
|
|
584 -- No_Exception_Propagation is set.
|
|
|
585
|
|
|
586 Exception_Extra_Info : Boolean := False;
|
|
|
587 -- GNAT
|
|
|
588 -- True when switch -gnateE is used. When True, generate extra information
|
|
|
589 -- associated with exception messages (in particular range and index
|
|
|
590 -- checks).
|
|
|
591
|
|
|
592 Exception_Locations_Suppressed : Boolean := False;
|
|
|
593 -- GNAT
|
|
|
594 -- Set to True if a Suppress_Exception_Locations configuration pragma is
|
|
|
595 -- currently active.
|
|
|
596
|
|
|
597 type Exception_Mechanism_Type is
|
|
|
598 -- Determines the kind of mechanism used to handle exceptions
|
|
|
599 --
|
|
|
600 (Front_End_SJLJ,
|
|
|
601 -- Exceptions use setjmp/longjmp generated explicitly by the front end
|
|
|
602 -- (this includes gigi or other equivalent parts of the code generator).
|
|
|
603 -- AT END handlers are converted into exception handlers by the front
|
|
|
604 -- end in this mode.
|
|
|
605
|
|
|
606 Back_End_ZCX,
|
|
|
607 -- Exceptions are handled by the back end. The front end simply
|
|
|
608 -- generates the handlers as they appear in the source, and AT END
|
|
|
609 -- handlers are left untouched (they are not converted into exception
|
|
|
610 -- handlers when operating in this mode). Propagation is performed
|
|
|
611 -- using a frame unwinding scheme and requires no particular setup code
|
|
|
612 -- at handler sites on regular execution paths.
|
|
|
613
|
|
|
614 Back_End_SJLJ);
|
|
|
615 -- Similar to Back_End_ZCX with respect to the front-end processing
|
|
|
616 -- of regular and AT-END handlers. A setjmp/longjmp scheme is used to
|
|
|
617 -- propagate and setup handler contexts on regular execution paths.
|
|
|
618
|
|
|
619 pragma Convention (C, Exception_Mechanism_Type);
|
|
|
620
|
|
|
621 Exception_Mechanism : Exception_Mechanism_Type := Front_End_SJLJ;
|
|
|
622 -- GNAT
|
|
|
623 -- Set to the appropriate value depending on the flags in system.ads
|
|
|
624 -- (Frontend_Exceptions + ZCX_By_Default). The C convention is there to
|
|
|
625 -- allow access by gigi.
|
|
|
626
|
|
|
627 function Back_End_Exceptions return Boolean;
|
|
|
628 function Front_End_Exceptions return Boolean;
|
|
|
629 function ZCX_Exceptions return Boolean;
|
|
|
630 function SJLJ_Exceptions return Boolean;
|
|
|
631 -- GNAT
|
|
|
632 -- Various properties of the active Exception_Mechanism
|
|
|
633
|
|
|
634 Exception_Tracebacks : Boolean := False;
|
|
|
635 -- GNATBIND
|
|
|
636 -- Set to True to store tracebacks in exception occurrences (-Ea or -E)
|
|
|
637
|
|
|
638 Exception_Tracebacks_Symbolic : Boolean := False;
|
|
|
639 -- GNATBIND
|
|
|
640 -- Set to True to store tracebacks in exception occurrences and enable
|
|
|
641 -- symbolic tracebacks (-Es).
|
|
|
642
|
|
131
|
643 Expand_Nonbinary_Modular_Ops : Boolean := False;
|
|
|
644 -- Set to True to convert nonbinary modular additions into code
|
|
|
645 -- that relies on the front-end expansion of operator Mod.
|
|
|
646
|
|
111
|
647 Extensions_Allowed : Boolean := False;
|
|
|
648 -- GNAT
|
|
|
649 -- Set to True by switch -gnatX if GNAT specific language extensions
|
|
|
650 -- are allowed. Currently there are no such defined extensions.
|
|
|
651
|
|
|
652 type External_Casing_Type is (
|
|
|
653 As_Is, -- External names cased as they appear in the Ada source
|
|
|
654 Uppercase, -- External names forced to all uppercase letters
|
|
|
655 Lowercase); -- External names forced to all lowercase letters
|
|
|
656
|
|
|
657 External_Name_Imp_Casing : External_Casing_Type := Lowercase;
|
|
|
658 -- GNAT
|
|
|
659 -- The setting of this flag determines the casing of external names
|
|
|
660 -- when the name is implicitly derived from an entity name (i.e. either
|
|
|
661 -- no explicit External_Name or Link_Name argument is used, or, in the
|
|
|
662 -- case of extended DEC pragmas, the external name is given using an
|
|
|
663 -- identifier. The As_Is setting is not permitted here (since this would
|
|
|
664 -- create Ada source programs that were case sensitive).
|
|
|
665
|
|
|
666 External_Name_Exp_Casing : External_Casing_Type := As_Is;
|
|
|
667 -- GNAT
|
|
|
668 -- The setting of this flag determines the casing of an external name
|
|
|
669 -- specified explicitly with a string literal. As_Is means the string
|
|
|
670 -- literal is used as given with no modification to the casing. If
|
|
|
671 -- Lowercase or Uppercase is set, then the string is forced to all
|
|
|
672 -- lowercase or all uppercase letters as appropriate. Note that this
|
|
|
673 -- setting has no effect if the external name is given using an identifier
|
|
|
674 -- in the case of extended DEC import/export pragmas (in this case the
|
|
|
675 -- casing is controlled by External_Name_Imp_Casing), and also has no
|
|
|
676 -- effect if an explicit Link_Name is supplied (a link name is always
|
|
|
677 -- used exactly as given).
|
|
|
678
|
|
|
679 External_Unit_Compilation_Allowed : Boolean := False;
|
|
|
680 -- GNATMAKE
|
|
|
681 -- When True (set by gnatmake switch -x), allow compilation of sources
|
|
|
682 -- that are not part of any project file.
|
|
|
683
|
|
|
684 Fast_Math : Boolean := False;
|
|
|
685 -- GNAT
|
|
|
686 -- Indicates the current setting of Fast_Math mode, as set by the use
|
|
|
687 -- of a Fast_Math pragma (set True by Fast_Math (On)).
|
|
|
688
|
|
|
689 Force_ALI_Tree_File : Boolean := False;
|
|
|
690 -- GNAT
|
|
|
691 -- Force generation of ALI file even if errors are encountered. Also forces
|
|
|
692 -- generation of tree file if -gnatt is also set. Set on by use of -gnatQ.
|
|
|
693
|
|
|
694 Disable_ALI_File : Boolean := False;
|
|
|
695 -- GNAT
|
|
|
696 -- Disable generation of ALI file
|
|
|
697
|
|
|
698 Follow_Links_For_Files : Boolean := False;
|
|
|
699 -- PROJECT MANAGER
|
|
|
700 -- Set to True (-eL) to process the project files in trusted mode. If
|
|
|
701 -- Follow_Links is False, it is assumed that the project doesn't contain
|
|
|
702 -- any file duplicated through symbolic links (although the latter are
|
|
|
703 -- still valid if they point to a file which is outside of the project),
|
|
|
704 -- and that no directory has a name which is a valid source name.
|
|
|
705
|
|
|
706 Follow_Links_For_Dirs : Boolean := False;
|
|
|
707 -- PROJECT MANAGER
|
|
|
708 -- Set to True if directories can be links in this project, and therefore
|
|
|
709 -- additional system calls must be performed to ensure that we always see
|
|
|
710 -- the same full name for each directory.
|
|
|
711
|
|
|
712 Force_Checking_Of_Elaboration_Flags : Boolean := False;
|
|
|
713 -- GNATBIND
|
|
|
714 -- True if binding with forced checking of the elaboration flags
|
|
|
715 -- (-F switch set).
|
|
|
716
|
|
|
717 Force_Compilations : Boolean := False;
|
|
|
718 -- GNATMAKE, GPRBUILD
|
|
|
719 -- Set to force recompilations even when the objects are up-to-date.
|
|
|
720
|
|
|
721 Force_Elab_Order_File : String_Ptr := null;
|
|
|
722 -- GNATBIND
|
|
|
723 -- File name specified for -f switch (the forced elaboration order file)
|
|
|
724
|
|
|
725 Front_End_Inlining : Boolean := False;
|
|
|
726 -- GNAT
|
|
|
727 -- Set True to activate inlining by front-end expansion (even on GCC
|
|
|
728 -- targets, where inlining is normally handled by the back end). Set by
|
|
|
729 -- the flag -gnatN (which is now considered obsolescent, since the GCC
|
|
131
|
730 -- back end can do a better job of inlining than the front end these days).
|
|
111
|
731
|
|
|
732 Full_Path_Name_For_Brief_Errors : Boolean := False;
|
|
|
733 -- PROJECT MANAGER
|
|
|
734 -- When True, in Brief_Output mode, each error message line will start with
|
|
|
735 -- the full path name of the source. When False, only the file name without
|
|
|
736 -- directory information is used.
|
|
|
737
|
|
|
738 Full_List : Boolean := False;
|
|
|
739 -- GNAT
|
|
|
740 -- Set True to generate full source listing with embedded errors
|
|
|
741
|
|
|
742 Full_List_File_Name : String_Ptr := null;
|
|
|
743 -- GNAT
|
|
|
744 -- Set to file name to generate full source listing to named file (or if
|
|
|
745 -- the name is of the form .xxx, then to name.xxx where name is the source
|
|
|
746 -- file name with extension stripped.
|
|
|
747
|
|
|
748 Generate_C_Code : Boolean := False;
|
|
|
749 -- GNAT
|
|
|
750 -- If True, the Cprint circuitry to generate C code output is activated.
|
|
|
751 -- Set True by use of -gnateg or -gnatd.V.
|
|
|
752
|
|
|
753 Generate_CodePeer_Messages : Boolean := False;
|
|
|
754 -- GNAT
|
|
|
755 -- Generate CodePeer messages. Ignored if CodePeer_Mode is false. This is
|
|
|
756 -- turned on by -gnateC.
|
|
|
757
|
|
|
758 Generate_Processed_File : Boolean := False;
|
|
|
759 -- GNAT
|
|
|
760 -- True when switch -gnateG is used. When True, create in a file
|
|
|
761 -- <source>.prep, if the source is preprocessed.
|
|
|
762
|
|
|
763 Generate_SCIL : Boolean := False;
|
|
|
764 -- GNAT
|
|
|
765 -- Set True to activate SCIL code generation.
|
|
|
766
|
|
|
767 Generate_SCO : Boolean := False;
|
|
|
768 -- GNAT
|
|
|
769 -- True when switch -fdump-scos (or -gnateS) is used. When True, Source
|
|
|
770 -- Coverage Obligation (SCO) information is generated and output in the ALI
|
|
|
771 -- file. See unit Par_SCO for full details.
|
|
|
772
|
|
|
773 Generate_SCO_Instance_Table : Boolean := False;
|
|
|
774 -- GNAT
|
|
|
775 -- True when switch -fdump-scos is used. When True, a table of instances is
|
|
|
776 -- included in SCOs.
|
|
|
777
|
|
|
778 Generating_Code : Boolean := False;
|
|
|
779 -- GNAT
|
|
|
780 -- True if the frontend finished its work and has called the backend to
|
|
|
781 -- process the tree and generate the object file.
|
|
|
782
|
|
|
783 type Ghost_Mode_Type is (None, Check, Ignore);
|
|
|
784 -- Possible legal modes that can be set by aspect/pragma Ghost as well as
|
|
|
785 -- value None, which indicates that no such aspect/pragma applies.
|
|
|
786
|
|
|
787 Ghost_Mode : Ghost_Mode_Type := None;
|
|
|
788 -- GNAT
|
|
131
|
789 -- The current Ghost mode in effect
|
|
111
|
790
|
|
|
791 Global_Discard_Names : Boolean := False;
|
|
|
792 -- GNAT, GNATBIND
|
|
|
793 -- True if a pragma Discard_Names appeared as a configuration pragma for
|
|
|
794 -- the current compilation unit.
|
|
|
795
|
|
|
796 GNAT_Encodings : Int;
|
|
|
797 pragma Import (C, GNAT_Encodings, "gnat_encodings");
|
|
|
798 -- Constant controlling the balance between GNAT encodings and standard
|
|
|
799 -- DWARF to emit in the debug information. It accepts the following values.
|
|
|
800
|
|
|
801 DWARF_GNAT_Encodings_All : constant Int := 0;
|
|
|
802 DWARF_GNAT_Encodings_GDB : constant Int := 1;
|
|
|
803 DWARF_GNAT_Encodings_Minimal : constant Int := 2;
|
|
|
804
|
|
|
805 Identifier_Character_Set : Character;
|
|
|
806 -- GNAT
|
|
|
807 -- This variable indicates the character set to be used for identifiers.
|
|
|
808 -- The possible settings are:
|
|
|
809 -- '1' Latin-1 (ISO-8859-1)
|
|
|
810 -- '2' Latin-2 (ISO-8859-2)
|
|
|
811 -- '3' Latin-3 (ISO-8859-3)
|
|
|
812 -- '4' Latin-4 (ISO-8859-4)
|
|
|
813 -- '5' Latin-Cyrillic (ISO-8859-5)
|
|
|
814 -- '9' Latin-9 (ISO-8859-15)
|
|
|
815 -- 'p' PC (US, IBM page 437)
|
|
|
816 -- '8' PC (European, IBM page 850)
|
|
|
817 -- 'f' Full upper set (all distinct)
|
|
|
818 -- 'n' No upper characters (Ada 83 rules)
|
|
|
819 -- 'w' Latin-1 plus wide characters allowed in identifiers
|
|
|
820 --
|
|
|
821 -- The setting affects the set of letters allowed in identifiers and the
|
|
|
822 -- upper/lower case equivalences. It does not affect the interpretation of
|
|
|
823 -- character and string literals, which are always stored using the actual
|
|
|
824 -- coding in the source program. This variable is initialized to the
|
|
|
825 -- default value appropriate to the system (in Osint.Initialize), and then
|
|
|
826 -- reset if a command line switch is used to change the setting.
|
|
|
827
|
|
|
828 Ignore_Rep_Clauses : Boolean := False;
|
|
|
829 -- GNAT
|
|
|
830 -- Set True to ignore all representation clauses. Useful when compiling
|
|
|
831 -- code from foreign compilers for checking or ASIS purposes. Can be
|
|
|
832 -- set True by use of -gnatI.
|
|
|
833
|
|
|
834 Ignore_SPARK_Mode_Pragmas_In_Instance : Boolean := False;
|
|
|
835 -- GNAT
|
|
|
836 -- Set True to ignore the semantics and effects of pragma SPARK_Mode when
|
|
|
837 -- the pragma appears inside an instance whose enclosing context is subject
|
|
|
838 -- to SPARK_Mode "off". This property applies to nested instances.
|
|
|
839
|
|
|
840 Ignore_Style_Checks_Pragmas : Boolean := False;
|
|
|
841 -- GNAT
|
|
|
842 -- Set True to ignore all Style_Checks pragmas. Can be set True by use
|
|
|
843 -- of -gnateY.
|
|
|
844
|
|
|
845 Ignore_Unrecognized_VWY_Switches : Boolean := False;
|
|
|
846 -- GNAT
|
|
131
|
847 -- Set True to ignore unrecognized y, V, w switches. Can be set True by
|
|
|
848 -- use of -gnateu, causing subsequent unrecognized switches to result in
|
|
|
849 -- a warning rather than an error.
|
|
|
850
|
|
|
851 Ignored_Ghost_Region : Node_Id := Empty;
|
|
|
852 -- GNAT
|
|
|
853 -- The start of the current ignored Ghost region. This value must always
|
|
|
854 -- reflect the starting node of the outermost ignored Ghost region. If a
|
|
|
855 -- nested ignored Ghost region is entered, the value must remain unchanged.
|
|
111
|
856
|
|
|
857 Implementation_Unit_Warnings : Boolean := True;
|
|
|
858 -- GNAT
|
|
|
859 -- Set True to active warnings for use of implementation internal units.
|
|
|
860 -- Modified by use of -gnatwi/-gnatwI.
|
|
|
861
|
|
|
862 Implicit_Packing : Boolean := False;
|
|
|
863 -- GNAT
|
|
|
864 -- If set True, then a Size attribute clause on an array is allowed to
|
|
|
865 -- cause implicit packing instead of generating an error message. Set by
|
|
|
866 -- use of pragma Implicit_Packing.
|
|
|
867
|
|
|
868 Include_Subprogram_In_Messages : Boolean := False;
|
|
|
869 -- GNAT
|
|
|
870 -- Set True to include the enclosing subprogram in compiler messages.
|
|
|
871
|
|
|
872 Ineffective_Inline_Warnings : Boolean := False;
|
|
|
873 -- GNAT
|
|
|
874 -- Set True to activate warnings if front-end inlining (-gnatN) is not able
|
|
|
875 -- to actually inline a particular call (or all calls). Can be controlled
|
|
|
876 -- by use of -gnatwp/-gnatwP. Also set True to activate warnings if
|
|
|
877 -- frontend inlining is not able to inline a subprogram expected to
|
|
|
878 -- be inlined in GNATprove mode.
|
|
|
879
|
|
|
880 Init_Or_Norm_Scalars : Boolean := False;
|
|
|
881 -- GNAT, GNATBIND
|
|
|
882 -- Set True if a pragma Initialize_Scalars applies to the current unit.
|
|
|
883 -- Also set True if a pragma Restriction (Normalize_Scalars) applies.
|
|
|
884
|
|
|
885 Initialize_Scalars : Boolean := False;
|
|
|
886 -- GNAT
|
|
|
887 -- Set True if a pragma Initialize_Scalars applies to the current unit.
|
|
|
888 -- Note that Init_Or_Norm_Scalars is also set to True if this is True.
|
|
|
889
|
|
|
890 Initialize_Scalars_Mode1 : Character := 'I';
|
|
|
891 Initialize_Scalars_Mode2 : Character := 'N';
|
|
|
892 -- GNATBIND
|
|
|
893 -- Set to two characters from -S switch (IN/LO/HI/EV/xx). The default
|
|
|
894 -- is IN (invalid values), used if no -S switch is used.
|
|
|
895
|
|
|
896 Inline_Active : Boolean := False;
|
|
|
897 -- GNAT
|
|
|
898 -- Set True to activate pragma Inline processing across modules. Default
|
|
|
899 -- for now is not to inline across module boundaries.
|
|
|
900
|
|
|
901 Inline_Level : Nat := 0;
|
|
|
902 -- GNAT
|
|
|
903 -- Set to indicate the inlining level: 0 means that an appropriate value is
|
|
|
904 -- to be computed by the compiler based on the optimization level (-gnatn),
|
|
|
905 -- 1 is for moderate inlining across modules (-gnatn1) and 2 for full
|
|
|
906 -- inlining across modules (-gnatn2).
|
|
|
907
|
|
|
908 Interface_Library_Unit : Boolean := False;
|
|
|
909 -- GNATBIND
|
|
|
910 -- Set to True to indicate that at least one ALI file is an interface ALI:
|
|
|
911 -- then elaboration flag checks are to be generated in the binder
|
|
|
912 -- generated file.
|
|
|
913
|
|
|
914 Invalid_Value_Used : Boolean := False;
|
|
|
915 -- GNAT
|
|
|
916 -- Set True if a valid Invalid_Value attribute is encountered
|
|
|
917
|
|
|
918 Inline_Processing_Required : Boolean := False;
|
|
|
919 -- GNAT
|
|
|
920 -- Set True if inline processing is required. Inline processing is required
|
|
|
921 -- if an active Inline pragma is processed. The flag is set for a pragma
|
|
|
922 -- Inline or Inline_Always that is actually active.
|
|
|
923
|
|
|
924 In_Place_Mode : Boolean := False;
|
|
|
925 -- GNATMAKE
|
|
|
926 -- Set True to store ALI and object files in place i.e. in the object
|
|
|
927 -- directory if these files already exist or in the source directory
|
|
|
928 -- if not.
|
|
|
929
|
|
|
930 Keep_Going : Boolean := False;
|
|
|
931 -- GNATMAKE, GPRBUILD
|
|
|
932 -- When True signals to ignore compilation errors and keep processing
|
|
|
933 -- sources until there is no more work.
|
|
|
934
|
|
|
935 Keep_Temporary_Files : Boolean := False;
|
|
|
936 -- GNATCMD, GNATMAKE, GPRBUILD
|
|
|
937 -- When True the temporary files are not deleted. Set by switches -dn or
|
|
|
938 -- --keep-temp-files.
|
|
|
939
|
|
|
940 Leap_Seconds_Support : Boolean := False;
|
|
|
941 -- GNATBIND
|
|
|
942 -- Set to True to enable leap seconds support in Ada.Calendar and its
|
|
|
943 -- children.
|
|
|
944
|
|
131
|
945 Legacy_Elaboration_Checks : Boolean := False;
|
|
|
946 -- GNAT
|
|
|
947 -- Set to True when the pre-18.x access-before-elaboration model is to be
|
|
|
948 -- used. Modified by use of -gnatH.
|
|
|
949
|
|
111
|
950 Link_Only : Boolean := False;
|
|
|
951 -- GNATMAKE, GPRBUILD
|
|
|
952 -- Set to True to skip compile and bind steps (except when Bind_Only is
|
|
|
953 -- set to True).
|
|
|
954
|
|
|
955 List_Body_Required_Info : Boolean := False;
|
|
|
956 -- GNATMAKE
|
|
|
957 -- List info messages about why a package requires a body. Modified by use
|
|
|
958 -- of -gnatw.y/.Y.
|
|
|
959
|
|
|
960 List_Inherited_Aspects : Boolean := False;
|
|
|
961 -- GNAT
|
|
|
962 -- List inherited invariants, preconditions, and postconditions from
|
|
|
963 -- Invariant'Class, Pre'Class, and Post'Class aspects. Also list inherited
|
|
|
964 -- subtype predicates. Modified by use of -gnatw.l/.L.
|
|
|
965
|
|
|
966 List_Restrictions : Boolean := False;
|
|
|
967 -- GNATBIND
|
|
|
968 -- Set to True to list restrictions pragmas that could apply to partition
|
|
|
969
|
|
|
970 List_Units : Boolean := False;
|
|
|
971 -- GNAT
|
|
|
972 -- List units in the active library for a compilation (-gnatu switch)
|
|
|
973
|
|
|
974 List_Closure : Boolean := False;
|
|
|
975 -- GNATBIND
|
|
|
976 -- List all sources in the closure of a main (-R or -Ra gnatbind switch)
|
|
|
977
|
|
|
978 List_Closure_All : Boolean := False;
|
|
|
979 -- GNATBIND
|
|
|
980 -- List all sources in closure of main including run-time units (-Ra
|
|
|
981 -- gnatbind switch).
|
|
|
982
|
|
|
983 List_Dependencies : Boolean := False;
|
|
|
984 -- GNATMAKE
|
|
|
985 -- When True gnatmake verifies that the objects are up to date and outputs
|
|
|
986 -- the list of object dependencies (-M switch). Output depends if -a switch
|
|
|
987 -- is used or not. This list can be used directly in a Makefile.
|
|
|
988
|
|
|
989 List_Representation_Info : Int range 0 .. 3 := 0;
|
|
|
990 -- GNAT
|
|
|
991 -- Set non-zero by -gnatR switch to list representation information.
|
|
|
992 -- The settings are as follows:
|
|
|
993 --
|
|
|
994 -- 0 = no listing of representation information (default as above)
|
|
|
995 -- 1 = list rep info for user defined record and array types
|
|
|
996 -- 2 = list rep info for all user defined types and objects
|
|
|
997 -- 3 = like 2, but variable fields are decoded symbolically
|
|
|
998
|
|
|
999 List_Representation_Info_To_File : Boolean := False;
|
|
|
1000 -- GNAT
|
|
|
1001 -- Set true by -gnatRs switch. Causes information from -gnatR/1/2/3/m to be
|
|
|
1002 -- written to file.rep (where file is the name of the source file) instead
|
|
|
1003 -- of stdout. For example, if file x.adb is compiled using -gnatR2s then
|
|
|
1004 -- representation info is written to x.adb.ref.
|
|
|
1005
|
|
131
|
1006 List_Representation_Info_To_JSON : Boolean := False;
|
|
|
1007 -- GNAT
|
|
|
1008 -- Set true by -gnatRj switch. Causes information from -gnatR/1/2/3/m to be
|
|
|
1009 -- output in the JSON data interchange format.
|
|
|
1010
|
|
111
|
1011 List_Representation_Info_Mechanisms : Boolean := False;
|
|
|
1012 -- GNAT
|
|
|
1013 -- Set true by -gnatRm switch. Causes information on mechanisms to be
|
|
|
1014 -- included in the representation output information.
|
|
|
1015
|
|
|
1016 List_Representation_Info_Extended : Boolean := False;
|
|
|
1017 -- GNAT
|
|
|
1018 -- Set true by -gnatRe switch. Causes extended information for record types
|
|
|
1019 -- to be included in the representation output information.
|
|
|
1020
|
|
|
1021 List_Preprocessing_Symbols : Boolean := False;
|
|
|
1022 -- GNAT, GNATPREP
|
|
|
1023 -- Set to True if symbols for preprocessing a source are to be listed
|
|
|
1024 -- before preprocessing occurs. Set to True by switch -s of gnatprep or
|
|
|
1025 -- -s in preprocessing data file for the compiler.
|
|
|
1026
|
|
|
1027 type Create_Repinfo_File_Proc is access procedure (Src : String);
|
|
|
1028 type Write_Repinfo_Line_Proc is access procedure (Info : String);
|
|
|
1029 type Close_Repinfo_File_Proc is access procedure;
|
|
|
1030 -- Types used for procedure addresses below
|
|
|
1031
|
|
|
1032 Create_Repinfo_File_Access : Create_Repinfo_File_Proc := null;
|
|
|
1033 Write_Repinfo_Line_Access : Write_Repinfo_Line_Proc := null;
|
|
|
1034 Close_Repinfo_File_Access : Close_Repinfo_File_Proc := null;
|
|
|
1035 -- GNAT
|
|
|
1036 -- These three locations are left null when operating in non-compiler (e.g.
|
|
|
1037 -- ASIS mode), but when operating in compiler mode, they are set to point
|
|
|
1038 -- to the three corresponding procedures in Osint-C. The reason for this
|
|
|
1039 -- slightly strange interface is to stop Repinfo from dragging in Osint in
|
|
|
1040 -- ASIS mode, which would include lots of unwanted units in the ASIS build.
|
|
|
1041
|
|
|
1042 type Create_List_File_Proc is access procedure (S : String);
|
|
|
1043 type Write_List_Info_Proc is access procedure (S : String);
|
|
|
1044 type Close_List_File_Proc is access procedure;
|
|
|
1045 -- Types used for procedure addresses below
|
|
|
1046
|
|
|
1047 Create_List_File_Access : Create_List_File_Proc := null;
|
|
|
1048 Write_List_Info_Access : Write_List_Info_Proc := null;
|
|
|
1049 Close_List_File_Access : Close_List_File_Proc := null;
|
|
|
1050 -- GNAT
|
|
|
1051 -- These three locations are left null when operating in non-compiler
|
|
|
1052 -- (e.g. from the binder), but when operating in compiler mode, they are
|
|
|
1053 -- set to point to the three corresponding procedures in Osint-C. The
|
|
|
1054 -- reason for this slightly strange interface is to prevent Repinfo
|
|
|
1055 -- from dragging in Osint-C in the binder, which would include unwanted
|
|
|
1056 -- units in the binder.
|
|
|
1057
|
|
|
1058 Locking_Policy : Character := ' ';
|
|
|
1059 -- GNAT, GNATBIND
|
|
|
1060
|
|
|
1061 -- Set to ' ' for the default case (no locking policy specified). Otherwise
|
|
|
1062 -- set based on the pragma Locking_Policy:
|
|
|
1063 -- Ceiling_Locking: 'C'
|
|
|
1064 -- Concurrent_Readers_Locking: 'R'
|
|
|
1065 -- Inheritance_Locking: 'I'
|
|
|
1066
|
|
|
1067 Locking_Policy_Sloc : Source_Ptr := No_Location;
|
|
|
1068 -- GNAT, GNATBIND
|
|
|
1069 -- Remember location of previous Locking_Policy pragma. This is used for
|
|
|
1070 -- inconsistency error messages. A value of System_Location is used if the
|
|
|
1071 -- policy is set in package System.
|
|
|
1072
|
|
|
1073 Look_In_Primary_Dir : Boolean := True;
|
|
|
1074 -- GNAT, GNATBIND, GNATMAKE, GNATCLEAN
|
|
|
1075 -- Set to False if a -I- was present on the command line. When True we are
|
|
|
1076 -- allowed to look in the primary directory to locate other source or
|
|
|
1077 -- library files.
|
|
|
1078
|
|
|
1079 Make_Steps : Boolean := False;
|
|
|
1080 -- GNATMAKE
|
|
|
1081 -- Set to True when either Compile_Only, Bind_Only or Link_Only is
|
|
|
1082 -- set to True.
|
|
|
1083
|
|
|
1084 Main_Index : Int := 0;
|
|
|
1085 -- GNATMAKE
|
|
|
1086 -- This is set to non-zero by gnatmake switch -eInnn to indicate that
|
|
|
1087 -- the main program is the nnn unit in a multi-unit source file.
|
|
|
1088
|
|
|
1089 Mapping_File_Name : String_Ptr := null;
|
|
|
1090 -- GNAT
|
|
|
1091 -- File name of mapping between unit names, file names and path names.
|
|
|
1092 -- (given by switch -gnatem)
|
|
|
1093
|
|
|
1094 Maximum_Messages : Int := 9999;
|
|
|
1095 -- GNAT, GNATBIND
|
|
|
1096 -- Maximum default number of errors before compilation is terminated, or in
|
|
|
1097 -- the case of GNAT, maximum number of warnings before further warnings are
|
|
|
1098 -- suppressed. Can be overridden by -gnatm (GNAT) or -m (GNATBIND) switch.
|
|
|
1099
|
|
|
1100 Maximum_File_Name_Length : Int;
|
|
|
1101 -- GNAT, GNATBIND
|
|
|
1102 -- Maximum number of characters allowed in a file name, not counting the
|
|
|
1103 -- extension, as set by the appropriate switch. If no switch is given,
|
|
|
1104 -- then this value is initialized by Osint to the appropriate value.
|
|
|
1105
|
|
|
1106 Maximum_Instantiations : Int := 8000;
|
|
|
1107 -- GNAT
|
|
|
1108 -- Maximum number of instantiations permitted (to stop runaway cases
|
|
|
1109 -- of nested instantiations). These situations probably only occur in
|
|
|
1110 -- specially concocted test cases. Can be modified by -gnateinn switch.
|
|
|
1111
|
|
|
1112 Maximum_Processes : Positive := 1;
|
|
|
1113 -- GNATMAKE, GPRBUILD
|
|
|
1114 -- Maximum number of processes that should be spawned to carry out
|
|
|
1115 -- compilations.
|
|
|
1116
|
|
|
1117 Minimal_Recompilation : Boolean := False;
|
|
|
1118 -- GNATMAKE
|
|
|
1119 -- Set to True if minimal recompilation mode requested
|
|
|
1120
|
|
|
1121 Minimize_Expression_With_Actions : Boolean := False;
|
|
|
1122 -- GNAT
|
|
|
1123 -- If True, minimize the use of N_Expression_With_Actions node.
|
|
|
1124 -- This can be used in particular on some back-ends where this node is
|
|
|
1125 -- difficult to support.
|
|
|
1126
|
|
|
1127 Modify_Tree_For_C : Boolean := False;
|
|
|
1128 -- GNAT
|
|
|
1129 -- If this switch is set True (currently it is set only by -gnatd.V), then
|
|
|
1130 -- certain meaning-preserving transformations are applied to the tree to
|
|
|
1131 -- make it easier to interface with back ends that implement C semantics.
|
|
|
1132 -- There is a section in Sinfo which describes the transformations made.
|
|
|
1133
|
|
|
1134 Multiple_Unit_Index : Int := 0;
|
|
|
1135 -- GNAT
|
|
|
1136 -- This is set non-zero if the current unit is being compiled in multiple
|
|
|
1137 -- unit per file mode, meaning that the current unit is selected from the
|
|
|
1138 -- sequence of units in the current source file, using the value stored
|
|
|
1139 -- in this variable (e.g. 2 = select second unit in file). A value of
|
|
|
1140 -- zero indicates that we are in normal (one unit per file) mode.
|
|
|
1141
|
|
|
1142 No_Backup : Boolean := False;
|
|
|
1143 -- GNATNAME
|
|
|
1144 -- Do not create backup copies of project files. Set by switch --no-backup.
|
|
|
1145
|
|
|
1146 No_Component_Reordering : Boolean := False;
|
|
|
1147 -- GNAT
|
|
|
1148 -- Set True if pragma No_Component_Reordering with no parameter encountered
|
|
|
1149
|
|
|
1150 No_Deletion : Boolean := False;
|
|
|
1151 -- GNATPREP
|
|
|
1152 -- Set by preprocessor switch -a. Do not eliminate any source text. Implies
|
|
|
1153 -- Undefined_Symbols_Are_False. Useful to perform a syntax check on all
|
|
|
1154 -- branches of #if constructs.
|
|
|
1155
|
|
|
1156 No_Elab_Code_All_Pragma : Node_Id := Empty;
|
|
|
1157 -- Set to point to a No_Elaboration_Code_All pragma or aspect encountered
|
|
|
1158 -- in the spec of the extended main unit. Used to determine if we need to
|
|
|
1159 -- do special tests for violation of this aspect.
|
|
|
1160
|
|
|
1161 No_Heap_Finalization_Pragma : Node_Id := Empty;
|
|
|
1162 -- GNAT
|
|
|
1163 -- Set to point to a No_Heap_Finalization pragma defined in a configuration
|
|
|
1164 -- file.
|
|
|
1165
|
|
|
1166 No_Main_Subprogram : Boolean := False;
|
|
|
1167 -- GNATMAKE, GNATBIND
|
|
|
1168 -- Set to True if compilation/binding of a program without main
|
|
|
1169 -- subprogram requested.
|
|
|
1170
|
|
|
1171 No_Run_Time_Mode : Boolean := False;
|
|
|
1172 -- GNAT, GNATBIND
|
|
|
1173 -- This flag is set True if a No_Run_Time pragma is encountered. See spec
|
|
|
1174 -- of Rtsfind for a full description of handling of this pragma.
|
|
|
1175
|
|
|
1176 No_Split_Units : Boolean := False;
|
|
|
1177 -- GPRBUILD
|
|
|
1178 -- Set to True with switch --no-split-units. When True, unit sources, spec,
|
|
|
1179 -- body and subunits, must all be in the same project. This is checked
|
|
|
1180 -- after each compilation.
|
|
|
1181
|
|
|
1182 No_Stdinc : Boolean := False;
|
|
|
1183 -- GNAT, GNATBIND, GNATMAKE, GNATFIND, GNATXREF
|
|
|
1184 -- Set to True if no default source search dirs added to search list.
|
|
|
1185
|
|
|
1186 No_Stdlib : Boolean := False;
|
|
|
1187 -- GNATMAKE, GNATBIND, GNATFIND, GNATXREF
|
|
|
1188 -- Set to True if no default library search dirs added to search list.
|
|
|
1189
|
|
|
1190 No_Strict_Aliasing : Boolean := False;
|
|
|
1191 -- GNAT
|
|
|
1192 -- Set True if pragma No_Strict_Aliasing with no parameters encountered.
|
|
|
1193
|
|
|
1194 No_Tagged_Streams : Node_Id := Empty;
|
|
|
1195 -- GNAT
|
|
|
1196 -- If a pragma No_Tagged_Streams is active for the current scope, this
|
|
|
1197 -- points to the corresponding pragma.
|
|
|
1198
|
|
|
1199 Normalize_Scalars : Boolean := False;
|
|
|
1200 -- GNAT, GNATBIND
|
|
|
1201 -- Set True if a pragma Normalize_Scalars applies to the current unit.
|
|
|
1202 -- Note that Init_Or_Norm_Scalars is also set to True if this is True.
|
|
|
1203
|
|
|
1204 Object_Directory_Present : Boolean := False;
|
|
|
1205 -- GNATMAKE
|
|
|
1206 -- Set to True when an object directory is specified with option -D
|
|
|
1207
|
|
|
1208 Object_Path_File_Name : String_Ptr := null;
|
|
|
1209 -- GNAT2WHY
|
|
|
1210 -- Path of the temporary file that contains a list of object directories
|
|
|
1211 -- passed by -gnateO=<obj_path_file>.
|
|
|
1212
|
|
|
1213 One_Compilation_Per_Obj_Dir : Boolean := False;
|
|
|
1214 -- GNATMAKE, GPRBUILD
|
|
|
1215 -- Set to True with switch --single-compile-per-obj-dir. When True, there
|
|
|
1216 -- cannot be simultaneous compilations with the object files in the same
|
|
|
1217 -- object directory, if project files are used.
|
|
|
1218
|
|
131
|
1219 OpenAcc_Enabled : Boolean := False;
|
|
|
1220 -- GNAT
|
|
|
1221 -- Indicates whether OpenAcc pragmas should be taken into account. Set to
|
|
|
1222 -- True by the use of -fopenacc.
|
|
|
1223
|
|
111
|
1224 type Operating_Mode_Type is (Check_Syntax, Check_Semantics, Generate_Code);
|
|
|
1225 pragma Ordered (Operating_Mode_Type);
|
|
|
1226 Operating_Mode : Operating_Mode_Type := Generate_Code;
|
|
|
1227 -- GNAT
|
|
|
1228 -- Indicates the operating mode of the compiler. The default is generate
|
|
|
1229 -- code, which runs the parser, semantics and backend. Switches can be
|
|
|
1230 -- used to set syntax checking only mode, or syntax and semantics checking
|
|
|
1231 -- only mode. Operating_Mode can also be modified as a result of detecting
|
|
|
1232 -- errors during the compilation process. In particular if any serious
|
|
|
1233 -- error is detected then this flag is reset from Generate_Code to
|
|
|
1234 -- Check_Semantics after generating an error message. This is an ordered
|
|
|
1235 -- type with the semantics that each value does more than the previous one.
|
|
|
1236
|
|
|
1237 Optimize_Alignment : Character := 'O';
|
|
|
1238 -- GNAT
|
|
|
1239 -- Setting of Optimize_Alignment, set to T/S/O for time/space/off. Can
|
|
|
1240 -- be modified by use of pragma Optimize_Alignment.
|
|
|
1241
|
|
|
1242 Optimize_Alignment_Local : Boolean := False;
|
|
|
1243 -- GNAT
|
|
|
1244 -- Set True if Optimize_Alignment mode is set by a local configuration
|
|
|
1245 -- pragma that overrides the gnat.adc (or other configuration file) default
|
|
|
1246 -- so that the unit is not dependent on the default setting. Also always
|
|
|
1247 -- set True for internal units, since these always have a default setting
|
|
|
1248 -- of Optimize_Alignment (Off) that is enforced (essentially equivalent to
|
|
|
1249 -- them all having such an explicit pragma in each unit).
|
|
|
1250
|
|
|
1251 Original_Operating_Mode : Operating_Mode_Type := Generate_Code;
|
|
|
1252 -- GNAT
|
|
|
1253 -- Indicates the original operating mode of the compiler as set by compiler
|
|
|
1254 -- options. This is identical to Operating_Mode except that this is not
|
|
|
1255 -- affected by errors.
|
|
|
1256
|
|
|
1257 Optimization_Level : Int;
|
|
|
1258 pragma Import (C, Optimization_Level, "optimize");
|
|
|
1259 -- GNAT
|
|
|
1260 -- Constant reflecting the optimization level (0,1,2,3 for -O0,-O1,-O2,-O3)
|
|
|
1261
|
|
|
1262 Optimize_Size : Int;
|
|
|
1263 pragma Import (C, Optimize_Size, "optimize_size");
|
|
|
1264 -- GNAT
|
|
|
1265 -- Constant reflecting setting of -Os (optimize for size). Set to nonzero
|
|
|
1266 -- in -Os mode and set to zero otherwise.
|
|
|
1267
|
|
|
1268 Output_File_Name_Present : Boolean := False;
|
|
|
1269 -- GNATBIND, GNAT, GNATMAKE
|
|
|
1270 -- Set to True when the output C file name is given with option -o for
|
|
|
1271 -- GNATBIND, when the object file name is given with option -gnatO for GNAT
|
|
|
1272 -- or when the executable is given with option -o for GNATMAKE.
|
|
|
1273
|
|
|
1274 Output_Linker_Option_List : Boolean := False;
|
|
|
1275 -- GNATBIND
|
|
|
1276 -- True if output of list of linker options is requested (-K switch set)
|
|
|
1277
|
|
|
1278 Output_ALI_List : Boolean := False;
|
|
|
1279 ALI_List_Filename : String_Ptr;
|
|
|
1280 -- GNATBIND
|
|
|
1281 -- True if output of list of ALIs is requested (-A switch set). List is
|
|
|
1282 -- output under the given filename, or standard output if not specified.
|
|
|
1283
|
|
|
1284 Output_Object_List : Boolean := False;
|
|
|
1285 Object_List_Filename : String_Ptr;
|
|
|
1286 -- GNATBIND
|
|
|
1287 -- True if output of list of objects is requested (-O switch set). List is
|
|
|
1288 -- output under the given filename, or standard output if not specified.
|
|
|
1289
|
|
|
1290 Partition_Elaboration_Policy : Character := ' ';
|
|
|
1291 -- GNAT, GNATBIND
|
|
|
1292 -- Set to ' ' for the default case (no elaboration policy specified). Reset
|
|
|
1293 -- to first character (uppercase) of locking policy name if a valid pragma
|
|
|
1294 -- Partition_Elaboration_Policy is encountered.
|
|
|
1295
|
|
|
1296 Partition_Elaboration_Policy_Sloc : Source_Ptr := No_Location;
|
|
|
1297 -- GNAT, GNATBIND
|
|
|
1298 -- Remember location of previous Partition_Elaboration_Policy pragma. This
|
|
|
1299 -- is used for inconsistency error messages. A value of System_Location is
|
|
|
1300 -- used if the policy is set in package System.
|
|
|
1301
|
|
|
1302 Persistent_BSS_Mode : Boolean := False;
|
|
|
1303 -- GNAT
|
|
|
1304 -- True if a Persistent_BSS configuration pragma is in effect, causing
|
|
|
1305 -- potentially persistent data to be placed in the persistent_bss section.
|
|
|
1306
|
|
|
1307 Pessimistic_Elab_Order : Boolean := False;
|
|
|
1308 -- GNATBIND
|
|
|
1309 -- True if pessimistic elaboration order is to be chosen (-p switch set)
|
|
|
1310
|
|
|
1311 Polling_Required : Boolean := False;
|
|
|
1312 -- GNAT
|
|
|
1313 -- Set to True if polling for asynchronous abort is enabled by using
|
|
|
1314 -- the -gnatP option for GNAT.
|
|
|
1315
|
|
|
1316 Prefix_Exception_Messages : Boolean := False;
|
|
|
1317 -- GNAT
|
|
|
1318 -- Set True to prefix exception messages with entity-name:
|
|
|
1319
|
|
|
1320 Preprocessing_Data_File : String_Ptr := null;
|
|
|
1321 -- GNAT
|
|
|
1322 -- Set by switch -gnatep=. The file name of the preprocessing data file.
|
|
|
1323
|
|
|
1324 Preprocessing_Symbol_Defs : String_List_Access := new String_List (1 .. 4);
|
|
|
1325 -- An extensible array to temporarily stores symbol definitions specified
|
|
|
1326 -- on the command line with -gnateD switches. The value 4 is an arbitrary
|
|
|
1327 -- starting point, if more space is needed it is allocated as required.
|
|
|
1328
|
|
|
1329 Preprocessing_Symbol_Last : Natural := 0;
|
|
|
1330 -- Index of last symbol definition in array Symbol_Definitions
|
|
|
1331
|
|
|
1332 Print_Generated_Code : Boolean := False;
|
|
|
1333 -- GNAT
|
|
|
1334 -- Set to True to enable output of generated code in source form. This
|
|
|
1335 -- flag is set by the -gnatG switch.
|
|
|
1336
|
|
|
1337 Print_Standard : Boolean := False;
|
|
|
1338 -- GNAT
|
|
|
1339 -- Set to true to enable printing of package standard in source form.
|
|
|
1340 -- This flag is set by the -gnatS switch
|
|
|
1341
|
|
|
1342 type Usage is (Unknown, Not_In_Use, In_Use);
|
|
|
1343 Project_File_In_Use : Usage := Unknown;
|
|
|
1344 -- GNAT
|
|
|
1345 -- Indicates if a project file is used or not. Set to In_Use by the first
|
|
|
1346 -- SFNP pragma.
|
|
|
1347
|
|
|
1348 Quantity_Of_Default_Size_Sec_Stacks : Int := -1;
|
|
|
1349 -- GNATBIND
|
|
|
1350 -- The number of default sized secondary stacks that the binder should
|
|
|
1351 -- generate. Allows ZFP users to have the binder generate extra stacks if
|
|
|
1352 -- needed to support multithreaded applications. A value of -1 indicates
|
|
|
1353 -- that no size was set by the binder.
|
|
|
1354
|
|
|
1355 Queuing_Policy : Character := ' ';
|
|
|
1356 -- GNAT, GNATBIND
|
|
|
1357 -- Set to ' ' for the default case (no queuing policy specified). Reset to
|
|
|
1358 -- first character (uppercase) of locking policy name if a valid
|
|
|
1359 -- Queuing_Policy pragma is encountered.
|
|
|
1360
|
|
|
1361 Queuing_Policy_Sloc : Source_Ptr := No_Location;
|
|
|
1362 -- GNAT, GNATBIND
|
|
|
1363 -- Remember location of previous Queuing_Policy pragma. This is used for
|
|
|
1364 -- inconsistency error messages. A value of System_Location is used if the
|
|
|
1365 -- policy is set in package System.
|
|
|
1366
|
|
|
1367 Quiet_Output : Boolean := False;
|
|
|
1368 -- GNATMAKE, GNATCLEAN, GPRBUILD, GPRCLEAN
|
|
|
1369 -- Set to True if the tool should not have any output if there are no
|
|
|
1370 -- errors or warnings.
|
|
|
1371
|
|
|
1372 Overriding_Renamings : Boolean := False;
|
|
|
1373 -- GNAT
|
|
|
1374 -- Set to True to enable compatibility mode with Rational compiler, and
|
|
|
1375 -- to accept renamings of implicit operations in their own scope.
|
|
|
1376
|
|
131
|
1377 Relaxed_Elaboration_Checks : Boolean := False;
|
|
|
1378 -- GNAT
|
|
|
1379 -- Set to True to ignore certain elaboration scenarios, thus making the
|
|
|
1380 -- current ABE mechanism more permissive. This behavior is applicable to
|
|
|
1381 -- both the default and the legacy ABE models. Modified by use of -gnatJ.
|
|
|
1382
|
|
111
|
1383 Relaxed_RM_Semantics : Boolean := False;
|
|
|
1384 -- GNAT
|
|
|
1385 -- Set to True to ignore some Ada semantic error to help parse legacy Ada
|
|
|
1386 -- code for use in e.g. static analysis (such as CodePeer). This deals
|
|
|
1387 -- with cases where other compilers allow illegal constructs. Tools such as
|
|
|
1388 -- CodePeer are interested in analyzing code rather than enforcing legality
|
|
|
1389 -- rules, so as long as these illegal constructs end up with code that can
|
|
|
1390 -- be handled by the tool in question, there is no reason to reject the
|
|
|
1391 -- code that is considered correct by the other compiler.
|
|
|
1392
|
|
|
1393 Replace_In_Comments : Boolean := False;
|
|
|
1394 -- GNATPREP
|
|
|
1395 -- Set to True if -C switch used.
|
|
|
1396
|
|
|
1397 RTS_Lib_Path_Name : String_Ptr := null;
|
|
|
1398 RTS_Src_Path_Name : String_Ptr := null;
|
|
|
1399 -- GNAT
|
|
|
1400 -- Set to the "adalib" and "adainclude" directories of the run time
|
|
|
1401 -- specified by --RTS=.
|
|
|
1402
|
|
|
1403 RTS_Switch : Boolean := False;
|
|
|
1404 -- GNAT, GNATMAKE, GNATBIND, GNATLS, GNATFIND, GNATXREF
|
|
|
1405 -- Set to True when the --RTS switch is set
|
|
|
1406
|
|
|
1407 Run_Path_Option : Boolean := True;
|
|
|
1408 -- GNATMAKE, GNATLINK
|
|
|
1409 -- Set to False when no run_path_option should be issued to the linker
|
|
|
1410
|
|
|
1411 Search_Directory_Present : Boolean := False;
|
|
|
1412 -- GNAT
|
|
|
1413 -- Set to True when argument is -I. Reset to False when next argument, a
|
|
|
1414 -- search directory path is taken into account. Note that this is quite
|
|
|
1415 -- different from other switches in this section in that it is only set in
|
|
|
1416 -- a transitory manner as a result of scanning a -I switch with no file
|
|
|
1417 -- name, and if set, is an indication that the next argument is to be
|
|
|
1418 -- treated as a file name.
|
|
|
1419
|
|
|
1420 Sec_Stack_Used : Boolean := False;
|
|
|
1421 -- GNAT, GBATBIND
|
|
|
1422 -- Set True if generated code uses the System.Secondary_Stack package. For
|
|
|
1423 -- the binder, set if any unit uses the secondary stack package.
|
|
|
1424
|
|
|
1425 Setup_Projects : Boolean := False;
|
|
|
1426 -- GNAT DRIVER
|
|
|
1427 -- Set to True for GNAT SETUP: the Project Manager creates nonexistent
|
|
|
1428 -- object, library, and exec directories.
|
|
|
1429
|
|
|
1430 Shared_Libgnat : Boolean;
|
|
|
1431 -- GNATBIND
|
|
|
1432 -- Set to True if a shared libgnat is requested by using the -shared option
|
|
|
1433 -- for GNATBIND and to False when using the -static option. The value of
|
|
|
1434 -- this flag is set by Gnatbind.Scan_Bind_Arg.
|
|
|
1435
|
|
|
1436 Short_Circuit_And_Or : Boolean := False;
|
|
|
1437 -- GNAT
|
|
|
1438 -- Set True if a pragma Short_Circuit_And_Or applies to the current unit.
|
|
|
1439
|
|
|
1440 type SPARK_Mode_Type is (None, Off, On);
|
|
|
1441 -- Possible legal modes that can be set by aspect/pragma SPARK_Mode, as
|
|
|
1442 -- well as the value None, which indicates no such pragma/aspect applies.
|
|
|
1443
|
|
|
1444 SPARK_Mode : SPARK_Mode_Type := None;
|
|
|
1445 -- GNAT
|
|
|
1446 -- Current SPARK mode setting.
|
|
|
1447
|
|
|
1448 SPARK_Mode_Pragma : Node_Id := Empty;
|
|
|
1449 -- GNAT
|
|
|
1450 -- If the current SPARK_Mode (above) was set by a pragma, this records
|
|
|
1451 -- the pragma that set this mode.
|
|
|
1452
|
|
|
1453 SPARK_Switches_File_Name : String_Ptr := null;
|
|
|
1454 -- GNAT
|
|
|
1455 -- Set to non-null file name by use of the -gnates switch to specify
|
|
|
1456 -- SPARK (gnat2why) specific switches in the given file name.
|
|
|
1457
|
|
|
1458 Special_Exception_Package_Used : Boolean := False;
|
|
|
1459 -- GNAT
|
|
|
1460 -- Set to True if either of the unit GNAT.Most_Recent_Exception or
|
|
|
1461 -- GNAT.Exception_Traces is with'ed. Used to inhibit transformation of
|
|
|
1462 -- local raise statements into gotos in the presence of either package.
|
|
|
1463
|
|
|
1464 Sprint_Line_Limit : Nat := 72;
|
|
|
1465 -- GNAT
|
|
|
1466 -- Limit values for chopping long lines in Cprint/Sprint output, can be
|
|
|
1467 -- reset by use of NNN parameter with -gnatG or -gnatD switches.
|
|
|
1468
|
|
|
1469 Stack_Checking_Enabled : Boolean := False;
|
|
|
1470 -- GNAT
|
|
|
1471 -- Set to indicate if stack checking is enabled for the compilation. This
|
|
|
1472 -- is set directly from the value in the gcc back end in the body of the
|
|
|
1473 -- gcc version of back_end.adb.
|
|
|
1474
|
|
|
1475 Style_Check : Boolean := False;
|
|
|
1476 -- GNAT
|
|
|
1477 -- Set True to perform style checks. Activates checks carried out in
|
|
|
1478 -- package Style (see body of this package for details of checks). This
|
|
|
1479 -- flag is set True by use of either the -gnatg or -gnaty switches, or
|
|
|
1480 -- by the Style_Check pragma.
|
|
|
1481
|
|
|
1482 Style_Check_Main : Boolean := False;
|
|
|
1483 -- GNAT
|
|
|
1484 -- Set True if Style_Check was set for the main unit. This is used to
|
|
|
1485 -- enable style checks for units in the main extended source that get
|
|
|
1486 -- with'ed indirectly. It is set True by use of either the -gnatg or
|
|
|
1487 -- -gnaty switches, but not by use of the Style_Checks pragma.
|
|
|
1488
|
|
|
1489 Disable_FE_Inline : Boolean := False;
|
|
|
1490 Disable_FE_Inline_Always : Boolean := False;
|
|
|
1491 -- GNAT
|
|
|
1492 -- Request to disable front end inlining from pragma Inline or pragma
|
|
|
1493 -- Inline_Always out of the presence of the -fno-inline back end flag
|
|
|
1494 -- on the command line, regardless of any other switches that are set.
|
|
|
1495 -- It remains the back end's reponsibility to honor -fno-inline at the
|
|
|
1496 -- back end level.
|
|
|
1497
|
|
|
1498 Suppress_Control_Flow_Optimizations : Boolean := False;
|
|
|
1499 -- GNAT
|
|
|
1500 -- Set by -fpreserve-control-flow. Suppresses control flow optimizations
|
|
|
1501 -- that interfere with coverage analysis based on the object code.
|
|
|
1502
|
|
|
1503 System_Extend_Pragma_Arg : Node_Id := Empty;
|
|
|
1504 -- GNAT
|
|
|
1505 -- Set non-empty if and only if a correct Extend_System pragma was present
|
|
|
1506 -- in which case it points to the argument of the pragma, and the name can
|
|
|
1507 -- be located as Chars (Expression (System_Extend_Pragma_Arg)).
|
|
|
1508
|
|
|
1509 System_Extend_Unit : Node_Id := Empty;
|
|
|
1510 -- GNAT
|
|
|
1511 -- This is set to Empty if GNAT_Mode is set, since pragma Extend_System
|
|
|
1512 -- is never appropriate in GNAT_Mode (and causes troubles, including
|
|
|
1513 -- bogus circularities, if we try to compile the run-time library with
|
|
|
1514 -- a System extension). If GNAT_Mode is not set, then System_Extend_Unit
|
|
|
1515 -- is a copy of the value set in System_Extend_Pragma_Arg.
|
|
|
1516
|
|
|
1517 Subunits_Missing : Boolean := False;
|
|
|
1518 -- GNAT
|
|
|
1519 -- This flag is set true if missing subunits are detected with code
|
|
|
1520 -- generation active. This causes code generation to be skipped.
|
|
|
1521
|
|
|
1522 Suppress_Checks : Boolean := False;
|
|
|
1523 -- GNAT
|
|
|
1524 -- Set to True if -gnatp (suppress all checks) switch present.
|
|
|
1525
|
|
|
1526 Suppress_Options : Suppress_Record;
|
|
|
1527 -- GNAT
|
|
|
1528 -- Indicates outer level setting of check suppression. This initializes
|
|
|
1529 -- the settings of the outer scope level in any unit compiled. This is
|
|
|
1530 -- initialized by Osint.Initialize, and further initialized by the
|
|
|
1531 -- Adjust_Global_Switches flag in Gnat1drv.
|
|
|
1532
|
|
|
1533 Table_Factor : Int := 1;
|
|
|
1534 -- GNAT
|
|
|
1535 -- Factor by which all initial table sizes set in Alloc are multiplied.
|
|
|
1536 -- Used in Table to calculate initial table sizes (the initial table size
|
|
|
1537 -- is the value in Alloc, used as the Table_Initial parameter value,
|
|
|
1538 -- multiplied by the factor given here. The default value is used if no
|
|
|
1539 -- -gnatT switch appears.
|
|
|
1540
|
|
|
1541 Tagged_Type_Expansion : Boolean := True;
|
|
|
1542 -- GNAT
|
|
|
1543 -- Set True if tagged types and interfaces should be expanded by the
|
|
|
1544 -- front-end. If False, the original tree is left unexpanded for tagged
|
|
|
1545 -- types and dispatching calls, assuming the underlying target supports it.
|
|
|
1546
|
|
|
1547 Target_Dependent_Info_Read_Name : String_Ptr := null;
|
|
|
1548 -- GNAT
|
|
|
1549 -- Set non-null to override the normal processing in Get_Targ and set the
|
|
|
1550 -- necessary information by reading the target dependent information file
|
|
|
1551 -- whose name is given here (see packages Get_Targ and Set_Targ for full
|
|
|
1552 -- details). Set to non-null file name by use of the -gnateT switch.
|
|
|
1553
|
|
|
1554 Target_Dependent_Info_Write_Name : String_Ptr := null;
|
|
|
1555 -- GNAT
|
|
|
1556 -- Set non-null to enable a call to Set_Targ.Write_Target_Dependent_Info
|
|
|
1557 -- which writes a target independent information file (see packages
|
|
|
1558 -- Get_Targ and Set_Targ for full details) using the name given by
|
|
|
1559 -- this switch. Set to non-null file name by use of the -gnatet switch.
|
|
|
1560
|
|
|
1561 type Origin_Of_Target is (Unknown, Default, Specified);
|
|
|
1562
|
|
|
1563 Target_Origin : Origin_Of_Target := Unknown;
|
|
|
1564 -- GPRBUILD
|
|
|
1565 -- Indicates the origin of attribute Target in project files
|
|
|
1566
|
|
|
1567 Target_Value : String_Access := null;
|
|
|
1568 -- GPRBUILD
|
|
|
1569 -- Indicates the value of attribute Target in project files
|
|
|
1570
|
|
|
1571 Task_Dispatching_Policy : Character := ' ';
|
|
|
1572 -- GNAT, GNATBIND
|
|
|
1573 -- Set to ' ' for the default case (no task dispatching policy specified).
|
|
|
1574 -- Reset to first character (uppercase) of task dispatching policy name
|
|
|
1575 -- if a valid Task_Dispatching_Policy pragma is encountered.
|
|
|
1576
|
|
|
1577 Task_Dispatching_Policy_Sloc : Source_Ptr := No_Location;
|
|
|
1578 -- GNAT, GNATBIND
|
|
|
1579 -- Remember location of previous Task_Dispatching_Policy pragma. This is
|
|
|
1580 -- used for inconsistency error messages. A value of System_Location is
|
|
|
1581 -- used if the policy is set in package System.
|
|
|
1582
|
|
|
1583 Tasking_Used : Boolean := False;
|
|
|
1584 -- Set True if any tasking construct is encountered. Used to activate the
|
|
|
1585 -- output of the Q, L and T lines in ALI files.
|
|
|
1586
|
|
|
1587 Time_Slice_Set : Boolean := False;
|
|
|
1588 -- GNATBIND
|
|
|
1589 -- Set True if a pragma Time_Slice is processed in the main unit, or
|
|
|
1590 -- if the -gnatTnn switch is present to set a time slice value.
|
|
|
1591
|
|
|
1592 Time_Slice_Value : Nat;
|
|
|
1593 -- GNATBIND
|
|
|
1594 -- Time slice value. Valid only if Time_Slice_Set is True, i.e. if
|
|
|
1595 -- Time_Slice pragma has been processed. Set to the time slice value in
|
|
|
1596 -- microseconds. Negative values are stored as zero, and the value is not
|
|
|
1597 -- larger than 1_000_000_000 (1000 seconds). Values larger than this are
|
|
|
1598 -- reset to this maximum. This can also be set with the -gnatTnn switch.
|
|
|
1599
|
|
|
1600 Tolerate_Consistency_Errors : Boolean := False;
|
|
|
1601 -- GNATBIND
|
|
|
1602 -- Tolerate time stamp and other consistency errors. If this flag is set to
|
|
|
1603 -- True (-t), then inconsistencies result in warnings rather than errors.
|
|
|
1604
|
|
|
1605 Treat_Categorization_Errors_As_Warnings : Boolean := False;
|
|
|
1606 -- Normally categorization errors are true illegalities. If this switch
|
|
|
1607 -- is set, then such errors result in warning messages rather than error
|
|
|
1608 -- messages. Set True by -gnateP (P for Pure/Preelaborate). Also set in
|
|
|
1609 -- Relaxed_RM_Semantics mode since some old Ada 83 compilers treated
|
|
|
1610 -- pragma Preelaborate differently.
|
|
|
1611
|
|
|
1612 Treat_Restrictions_As_Warnings : Boolean := False;
|
|
|
1613 -- GNAT
|
|
|
1614 -- Set True to treat pragma Restrictions as Restriction_Warnings. Set by
|
|
|
1615 -- -gnatr switch.
|
|
|
1616
|
|
|
1617 Tree_Output : Boolean := False;
|
|
|
1618 -- GNAT
|
|
|
1619 -- Set to True (-gnatt) to generate output tree file
|
|
|
1620
|
|
|
1621 Try_Semantics : Boolean := False;
|
|
|
1622 -- GNAT
|
|
|
1623 -- Flag set to force attempt at semantic analysis, even if parser errors
|
|
|
1624 -- occur. This will probably cause blowups at this stage in the game. On
|
|
|
1625 -- the other hand, most such blowups will be caught cleanly and simply
|
|
|
1626 -- say compilation abandoned. This flag is set True by -gnatq or -gnatQ.
|
|
|
1627
|
|
|
1628 Unchecked_Shared_Lib_Imports : Boolean := False;
|
|
|
1629 -- GPRBUILD
|
|
|
1630 -- Set to True when shared library projects are allowed to import projects
|
|
|
1631 -- that are not shared library projects. Set on by use of the switch
|
|
|
1632 -- --unchecked-shared-lib-imports.
|
|
|
1633
|
|
|
1634 Undefined_Symbols_Are_False : Boolean := False;
|
|
|
1635 -- GNAT, GNATPREP
|
|
|
1636 -- Set to True by switch -u of gnatprep or -u in the preprocessing data
|
|
|
1637 -- file for the compiler. Indicates that while preprocessing sources,
|
|
|
1638 -- symbols that are not defined have the value FALSE.
|
|
|
1639
|
|
|
1640 Uneval_Old : Character := 'E';
|
|
|
1641 -- GNAT
|
|
|
1642 -- Set to 'E'/'W'/'A' for use of Error/Warn/Allow in a valid pragma
|
|
|
1643 -- Unevaluated_Use_Of_Old. Default in the absence of the pragma is 'E'
|
|
|
1644 -- for the RM default behavior of giving an error.
|
|
|
1645
|
|
|
1646 Unique_Error_Tag : Boolean := Tag_Errors;
|
|
|
1647 -- GNAT
|
|
|
1648 -- Indicates if error messages are to be prefixed by the string error:
|
|
|
1649 -- Initialized from Tag_Errors, can be forced on with the -gnatU switch.
|
|
|
1650
|
|
|
1651 Unnest_Subprogram_Mode : Boolean := False;
|
|
|
1652 -- If true, activates the circuitry for unnesting subprograms (see the spec
|
|
|
1653 -- of Exp_Unst for full details). Currently set only by use of -gnatd.1.
|
|
|
1654
|
|
|
1655 Unreserve_All_Interrupts : Boolean := False;
|
|
|
1656 -- GNAT, GNATBIND
|
|
|
1657 -- Normally set False, set True if a valid Unreserve_All_Interrupts pragma
|
|
|
1658 -- appears anywhere in the main unit for GNAT, or if any ALI file has the
|
|
|
1659 -- corresponding attribute set in GNATBIND.
|
|
|
1660
|
|
|
1661 Upper_Half_Encoding : Boolean := False;
|
|
|
1662 -- GNAT, GNATBIND
|
|
|
1663 -- Normally set False, indicating that upper half ISO 8859-1 characters are
|
|
|
1664 -- used in the normal way to represent themselves. If the wide character
|
|
|
1665 -- encoding method uses the upper bit for this encoding, then this flag is
|
|
|
1666 -- set True, and upper half characters in the source indicate the start of
|
|
|
1667 -- a wide character sequence. Set by -gnatW or -W switches.
|
|
|
1668
|
|
|
1669 Use_Include_Path_File : Boolean := False;
|
|
|
1670 -- GNATMAKE, GPRBUILD
|
|
|
1671 -- When True, create a source search path file, even when a mapping file
|
|
|
1672 -- is used.
|
|
|
1673
|
|
|
1674 Usage_Requested : Boolean := False;
|
|
|
1675 -- GNAT, GNATBIND, GNATMAKE
|
|
|
1676 -- Set to True if -h (-gnath for the compiler) switch encountered
|
|
|
1677 -- requesting usage information
|
|
|
1678
|
|
|
1679 Use_Pragma_Linker_Constructor : Boolean := False;
|
|
|
1680 -- GNATBIND
|
|
|
1681 -- True if pragma Linker_Constructor applies to adainit
|
|
|
1682
|
|
|
1683 Use_VADS_Size : Boolean := False;
|
|
|
1684 -- GNAT
|
|
|
1685 -- Set to True if a valid pragma Use_VADS_Size is processed
|
|
|
1686
|
|
|
1687 Validity_Checks_On : Boolean := True;
|
|
|
1688 -- GNAT
|
|
|
1689 -- This flag determines if validity checking is on or off. The initial
|
|
|
1690 -- state is on, and the required default validity checks are active. The
|
|
|
1691 -- actual set of checks that is performed if Validity_Checks_On is set is
|
|
|
1692 -- defined by the switches in package Validsw. The Validity_Checks_On flag
|
|
|
1693 -- is controlled by pragma Validity_Checks (On | Off), and also some
|
|
|
1694 -- generated compiler code (typically code that has to do with validity
|
|
|
1695 -- check generation) is compiled with this flag set to False. This flag is
|
|
|
1696 -- set to False by the -gnatp switch.
|
|
|
1697
|
|
|
1698 Verbose_Mode : Boolean := False;
|
|
|
1699 -- GNAT, GNATBIND, GNATMAKE, GNATLINK, GNATLS, GNATNAME, GNATCLEAN,
|
|
|
1700 -- GPRBUILD, GPRCLEAN
|
|
|
1701 -- Set to True to get verbose mode (full error message text and location
|
|
|
1702 -- information sent to standard output, also header, copyright and summary)
|
|
|
1703
|
|
|
1704 type Verbosity_Level_Type is (None, Low, Medium, High);
|
|
|
1705 pragma Ordered (Verbosity_Level_Type);
|
|
|
1706 Verbosity_Level : Verbosity_Level_Type := High;
|
|
|
1707 -- GNATMAKE
|
|
|
1708 -- Modified by gnatmake switches -v, -vl, -vm, -vh. Indicates
|
|
|
1709 -- the level of verbosity of informational messages:
|
|
|
1710 --
|
|
|
1711 -- In Low Verbosity, the reasons why a source is recompiled, the name
|
|
|
1712 -- of the executable and the reason it must be rebuilt is output.
|
|
|
1713 --
|
|
|
1714 -- In Medium Verbosity, additional lines are output for each ALI file
|
|
|
1715 -- that is checked.
|
|
|
1716 --
|
|
|
1717 -- In High Verbosity, additional lines are output when the ALI file
|
|
|
1718 -- is part of an Ada library, is read-only or is part of the runtime.
|
|
|
1719
|
|
|
1720 Warn_On_Ada_2005_Compatibility : Boolean := True;
|
|
|
1721 -- GNAT
|
|
|
1722 -- Set to True to generate all warnings on Ada 2005 compatibility issues,
|
|
|
1723 -- including warnings on Ada 2005 obsolescent features used in Ada 2005
|
|
|
1724 -- mode. Set by default, modified by use of -gnatwy/Y.
|
|
|
1725
|
|
|
1726 Warn_On_Ada_2012_Compatibility : Boolean := True;
|
|
|
1727 -- GNAT
|
|
|
1728 -- Set to True to generate all warnings on Ada 2012 compatibility issues,
|
|
|
1729 -- including warnings on Ada 2012 obsolescent features used in Ada 2012
|
|
|
1730 -- mode. Modified by use of -gnatwy/Y.
|
|
|
1731
|
|
|
1732 Warn_On_All_Unread_Out_Parameters : Boolean := False;
|
|
|
1733 -- GNAT
|
|
|
1734 -- Set to True to generate warnings in all cases where a variable is
|
|
|
1735 -- modified by being passed as to an OUT formal, but the resulting value is
|
|
|
1736 -- never read. The default is that this warning is suppressed. Modified
|
|
|
1737 -- by use of gnatw.o/.O.
|
|
|
1738
|
|
|
1739 Warn_On_Assertion_Failure : Boolean := True;
|
|
|
1740 -- GNAT
|
|
|
1741 -- Set to True to activate warnings on assertions that can be determined
|
|
|
1742 -- at compile time will always fail. Modified by use of -gnatw.a/.A.
|
|
|
1743
|
|
|
1744 Warn_On_Assumed_Low_Bound : Boolean := True;
|
|
|
1745 -- GNAT
|
|
|
1746 -- Set to True to activate warnings for string parameters that are indexed
|
|
|
1747 -- with literals or S'Length, presumably assuming a lower bound of one.
|
|
|
1748 -- Modified by use of -gnatww/W.
|
|
|
1749
|
|
|
1750 Warn_On_Atomic_Synchronization : Boolean := False;
|
|
|
1751 -- GNAT
|
|
|
1752 -- Set to True to generate information messages for atomic synchronization.
|
|
|
1753 -- Modified by use of -gnatw.n/.N.
|
|
|
1754
|
|
|
1755 Warn_On_Bad_Fixed_Value : Boolean := False;
|
|
|
1756 -- GNAT
|
|
|
1757 -- Set to True to generate warnings for static fixed-point expression
|
|
|
1758 -- values that are not an exact multiple of the small value of the type.
|
|
|
1759 -- Odd by default, modified by use of -gnatwb/B.
|
|
|
1760
|
|
|
1761 Warn_On_Biased_Representation : Boolean := True;
|
|
|
1762 -- GNAT
|
|
|
1763 -- Set to True to generate warnings for size clauses, component clauses
|
|
|
1764 -- and component_size clauses that force biased representation. Modified
|
|
|
1765 -- by use of -gnatw.b/.B.
|
|
|
1766
|
|
|
1767 Warn_On_Constant : Boolean := False;
|
|
|
1768 -- GNAT
|
|
|
1769 -- Set to True to generate warnings for variables that could be declared
|
|
|
1770 -- as constants. Modified by use of -gnatwk/K.
|
|
|
1771
|
|
|
1772 Warn_On_Deleted_Code : Boolean := False;
|
|
|
1773 -- GNAT
|
|
|
1774 -- Set to True to generate warnings for code deleted by the front end
|
|
|
1775 -- for conditional statements whose outcome is known at compile time.
|
|
|
1776 -- Modified by use of -gnatwt/T.
|
|
|
1777
|
|
|
1778 Warn_On_Dereference : Boolean := False;
|
|
|
1779 -- GNAT
|
|
|
1780 -- Set to True to generate warnings for implicit dereferences for array
|
|
|
1781 -- indexing and record component access. Modified by use of -gnatwd/D.
|
|
|
1782
|
|
|
1783 Warn_On_Export_Import : Boolean := True;
|
|
|
1784 -- GNAT
|
|
|
1785 -- Set to True to generate warnings for suspicious use of export or
|
|
|
1786 -- import pragmas. Modified by use of -gnatwx/X.
|
|
|
1787
|
|
|
1788 Warn_On_Elab_Access : Boolean := False;
|
|
|
1789 -- GNAT
|
|
|
1790 -- Set to True to generate warnings for P'Access in the case where
|
|
|
1791 -- subprogram P is in the same package as the P'Access, and the P'Access is
|
|
|
1792 -- evaluated at package elaboration time, and occurs before the body of P
|
|
|
1793 -- has been elaborated.
|
|
|
1794
|
|
|
1795 Warn_On_Hiding : Boolean := False;
|
|
|
1796 -- GNAT
|
|
|
1797 -- Set to True to generate warnings if a declared entity hides another
|
|
|
1798 -- entity. The default is that this warning is suppressed. Modified by
|
|
|
1799 -- use of -gnatwh/H.
|
|
|
1800
|
|
|
1801 Warn_On_Modified_Unread : Boolean := False;
|
|
|
1802 -- GNAT
|
|
|
1803 -- Set to True to generate warnings if a variable is assigned but is never
|
|
|
1804 -- read. Also controls warnings for similar cases involving out parameters,
|
|
|
1805 -- but only if there is only one out parameter for the procedure involved.
|
|
|
1806 -- The default is that this warning is suppressed, modified by use of
|
|
|
1807 -- -gnatwm/M.
|
|
|
1808
|
|
|
1809 Warn_On_No_Value_Assigned : Boolean := True;
|
|
|
1810 -- GNAT
|
|
|
1811 -- Set to True to generate warnings if no value is ever assigned to a
|
|
|
1812 -- variable that is at least partially uninitialized. Set to false to
|
|
|
1813 -- suppress such warnings. The default is that such warnings are enabled.
|
|
|
1814 -- Modified by use of -gnatwv/V.
|
|
|
1815
|
|
|
1816 Warn_On_Non_Local_Exception : Boolean := False;
|
|
|
1817 -- GNAT
|
|
|
1818 -- Set to True to generate warnings for non-local exception raises and also
|
|
|
1819 -- handlers that can never handle a local raise. This warning is only ever
|
|
|
1820 -- generated if pragma Restrictions (No_Exception_Propagation) is set. The
|
|
|
1821 -- default is not to generate the warnings except that if the source has
|
|
|
1822 -- at least one exception handler, and this restriction is set, and the
|
|
|
1823 -- warning was not explicitly turned off, then it is turned on by default.
|
|
|
1824 -- Modified by use of -gnatw.x/.X.
|
|
|
1825
|
|
|
1826 No_Warn_On_Non_Local_Exception : Boolean := False;
|
|
|
1827 -- GNAT
|
|
|
1828 -- This is set to True if the above warning is explicitly suppressed. We
|
|
|
1829 -- use this to avoid turning it on by default when No_Exception_Propagation
|
|
|
1830 -- restriction is set and an exception handler is present.
|
|
|
1831
|
|
|
1832 Warn_On_Object_Renames_Function : Boolean := False;
|
|
|
1833 -- GNAT
|
|
|
1834 -- Set to True to generate warnings when a function result is renamed as
|
|
|
1835 -- an object. The default is that this warning is disabled. Modified by
|
|
|
1836 -- use of -gnatw.r/.R.
|
|
|
1837
|
|
|
1838 Warn_On_Obsolescent_Feature : Boolean := False;
|
|
|
1839 -- GNAT
|
|
|
1840 -- Set to True to generate warnings on use of any feature in Annex or if a
|
|
|
1841 -- subprogram is called for which a pragma Obsolescent applies. Modified
|
|
|
1842 -- by use of -gnatwj/J.
|
|
|
1843
|
|
|
1844 Warn_On_Overlap : Boolean := False;
|
|
|
1845 -- GNAT
|
|
|
1846 -- Set to True to generate warnings when a writable actual overlaps with
|
|
|
1847 -- another actual in a subprogram call. This applies only in modes before
|
|
|
1848 -- Ada 2012. Starting with Ada 2012, such overlaps are illegal.
|
|
|
1849 -- Modified by use of -gnatw.i/.I.
|
|
|
1850
|
|
|
1851 Warn_On_Questionable_Missing_Parens : Boolean := True;
|
|
|
1852 -- GNAT
|
|
|
1853 -- Set to True to generate warnings for cases where parentheses are missing
|
|
|
1854 -- and the usage is questionable, because the intent is unclear. On by
|
|
|
1855 -- default, modified by use of -gnatwq/Q.
|
|
|
1856
|
|
|
1857 Warn_On_Parameter_Order : Boolean := False;
|
|
|
1858 -- GNAT
|
|
|
1859 -- Set to True to generate warnings for cases where the argument list for
|
|
|
1860 -- a call is a sequence of identifiers that match the formal identifiers,
|
|
|
1861 -- but are in the wrong order.
|
|
|
1862
|
|
|
1863 Warn_On_Redundant_Constructs : Boolean := False;
|
|
|
1864 -- GNAT
|
|
|
1865 -- Set to True to generate warnings for redundant constructs (e.g. useless
|
|
|
1866 -- assignments/conversions). The default is that this warning is disabled.
|
|
|
1867 -- Modified by use of -gnatwr/R.
|
|
|
1868
|
|
|
1869 Warn_On_Reverse_Bit_Order : Boolean := True;
|
|
|
1870 -- GNAT
|
|
|
1871 -- Set to True to generate warning (informational) messages for component
|
|
|
1872 -- clauses that are affected by non-standard bit-order. The default is
|
|
|
1873 -- that this warning is enabled. Modified by -gnatw.v/.V.
|
|
|
1874
|
|
|
1875 Warn_On_Suspicious_Contract : Boolean := True;
|
|
|
1876 -- GNAT
|
|
|
1877 -- Set to True to generate warnings for suspicious contracts expressed as
|
|
|
1878 -- pragmas or aspects precondition and postcondition, as well as other
|
|
|
1879 -- suspicious cases of expressions typically found in contracts like
|
|
|
1880 -- quantified expressions and uses of Update attribute. The default is that
|
|
|
1881 -- this warning is enabled. Modified by use of -gnatw.t/.T.
|
|
|
1882
|
|
|
1883 Warn_On_Suspicious_Modulus_Value : Boolean := True;
|
|
|
1884 -- GNAT
|
|
|
1885 -- Set to True to generate warnings for suspicious modulus values. The
|
|
|
1886 -- default is that this warning is enabled. Modified by -gnatw.m/.M.
|
|
|
1887
|
|
|
1888 Warn_On_Unchecked_Conversion : Boolean := True;
|
|
|
1889 -- GNAT
|
|
|
1890 -- Set to True to generate warnings for unchecked conversions that may have
|
|
|
1891 -- non-portable semantics (e.g. because sizes of types differ). Modified
|
|
|
1892 -- by use of -gnatwz/Z.
|
|
|
1893
|
|
|
1894 Warn_On_Unordered_Enumeration_Type : Boolean := False;
|
|
|
1895 -- GNAT
|
|
|
1896 -- Set to True to generate warnings for inappropriate uses (comparisons
|
|
|
1897 -- and explicit ranges) on unordered enumeration types (which includes
|
|
|
1898 -- all enumeration types for which pragma Ordered is not given). The
|
|
|
1899 -- default is that this warning is disabled. Modified by -gnat.u/.U.
|
|
|
1900
|
|
|
1901 Warn_On_Unrecognized_Pragma : Boolean := True;
|
|
|
1902 -- GNAT
|
|
|
1903 -- Set to True to generate warnings for unrecognized pragmas. The default
|
|
|
1904 -- is that this warning is enabled. Modified by use of -gnatwg/G.
|
|
|
1905
|
|
|
1906 Warn_On_Unrepped_Components : Boolean := False;
|
|
|
1907 -- GNAT
|
|
|
1908 -- Set to True to generate warnings for the case of components of record
|
|
|
1909 -- which have a record representation clause but this component does not
|
|
|
1910 -- have a component clause. Modified by use of -gnatw.c/.C.
|
|
|
1911
|
|
|
1912 Warn_On_Warnings_Off : Boolean := False;
|
|
|
1913 -- GNAT
|
|
|
1914 -- Set to True to generate warnings for use of Pragma Warnings (Off, ent),
|
|
|
1915 -- where either the pragma is never used, or it could be replaced by a
|
|
|
1916 -- pragma Unmodified or Unreferenced. Also generates warnings for pragma
|
|
|
1917 -- Warning (Off, string) which either has no matching pragma Warning On,
|
|
|
1918 -- or where no warning has been suppressed by the use of the pragma.
|
|
|
1919 -- Modified by use of -gnatw.w/.W.
|
|
|
1920
|
|
|
1921 type Warning_Mode_Type is
|
|
|
1922 (Suppress, Normal, Treat_As_Error, Treat_Run_Time_Warnings_As_Errors);
|
|
|
1923 Warning_Mode : Warning_Mode_Type := Normal;
|
|
|
1924 -- GNAT, GNATBIND
|
|
|
1925 -- Controls treatment of warning messages. If set to Suppress, warning
|
|
|
1926 -- messages are not generated at all. In Normal mode, they are generated
|
|
|
1927 -- but do not count as errors. In Treat_As_Error mode, warning messages are
|
|
|
1928 -- generated and treated as errors. In Treat_Run_Time_Warnings_As_Errors,
|
|
|
1929 -- warning messages regarding errors raised at run time are treated as
|
|
|
1930 -- errors. Note that Warning_Mode = Suppress causes pragma Warnings to be
|
|
|
1931 -- ignored (except for legality checks), unless we are in GNATprove_Mode,
|
|
|
1932 -- which requires pragma Warnings to be stored for the formal verification
|
|
|
1933 -- backend.
|
|
|
1934
|
|
|
1935 Warnings_As_Errors_Count : Natural;
|
|
|
1936 -- GNAT
|
|
|
1937 -- Number of entries stored in Warnings_As_Errors table
|
|
|
1938
|
|
|
1939 Wide_Character_Encoding_Method : WC_Encoding_Method := WCEM_Brackets;
|
|
|
1940 -- GNAT, GNATBIND
|
|
|
1941 -- Method used for encoding wide characters in the source program. See
|
|
|
1942 -- description of type in unit System.WCh_Con for a list of the methods
|
|
|
1943 -- that are currently supported. Note that brackets notation is always
|
|
|
1944 -- recognized in source programs regardless of the setting of this
|
|
|
1945 -- variable. The default setting causes only the brackets notation to be
|
|
|
1946 -- recognized. If this is the main unit, this setting also controls the
|
|
|
1947 -- output of the W=? parameter in the ALI file, which is used to provide
|
|
|
1948 -- the default for encoding [Wide_[Wide_]]Text_IO files. For the binder,
|
|
|
1949 -- the value set here overrides this main unit default.
|
|
|
1950
|
|
|
1951 Wide_Character_Encoding_Method_Specified : Boolean := False;
|
|
|
1952 -- GNAT, GNATBIND
|
|
|
1953 -- Set True if the value in Wide_Character_Encoding_Method was set as
|
|
|
1954 -- a result of an explicit -gnatW? or -W? switch. False otherwise.
|
|
|
1955
|
|
|
1956 Xref_Active : Boolean := True;
|
|
|
1957 -- GNAT
|
|
|
1958 -- Set if cross-referencing is enabled (i.e. xref info in ALI files)
|
|
|
1959
|
|
|
1960 Zero_Formatting : Boolean := False;
|
|
|
1961 -- GNATBIND
|
|
|
1962 -- Do no formatting (no title, no leading spaces, no empty lines) in
|
|
|
1963 -- auxiliary outputs (-e, -K, -l, -R).
|
|
|
1964
|
|
|
1965 ----------------------------
|
|
|
1966 -- Configuration Settings --
|
|
|
1967 ----------------------------
|
|
|
1968
|
|
|
1969 -- These are settings that are used to establish the mode at the start of
|
|
|
1970 -- each unit. The values defined below can be affected either by command
|
|
|
1971 -- line switches, or by the use of appropriate configuration pragmas in a
|
|
|
1972 -- configuration pragma file (but NOT by a local use of a configuration
|
|
|
1973 -- pragma in a single file).
|
|
|
1974
|
|
|
1975 Ada_Version_Config : Ada_Version_Type;
|
|
|
1976 -- GNAT
|
|
|
1977 -- This is the value of the configuration switch for the Ada 83 mode, as
|
|
|
1978 -- set by the command line switches -gnat83/95/2005/2012, and possibly
|
|
|
1979 -- modified by the use of configuration pragmas Ada_*. This switch is used
|
|
|
1980 -- to set the initial value for Ada_Version mode at the start of analysis
|
|
|
1981 -- of a unit. Note however that the setting of this flag is ignored for
|
|
|
1982 -- internal and predefined units (which are always compiled in the most up
|
|
|
1983 -- to date version of Ada).
|
|
|
1984
|
|
|
1985 Ada_Version_Pragma_Config : Node_Id;
|
|
|
1986 -- This will be set nonempty if it is set by a configuration pragma
|
|
|
1987
|
|
|
1988 Ada_Version_Explicit_Config : Ada_Version_Type;
|
|
|
1989 -- GNAT
|
|
|
1990 -- This is set in the same manner as Ada_Version_Config. The difference is
|
|
|
1991 -- that the setting of this flag is not ignored for internal and predefined
|
|
|
1992 -- units, which for some purposes do indeed access this value, regardless
|
|
|
1993 -- of the fact that they are compiled the most up to date ada version).
|
|
|
1994
|
|
|
1995 Assertions_Enabled_Config : Boolean;
|
|
|
1996 -- GNAT
|
|
|
1997 -- This is the value of the configuration switch for assertions enabled
|
|
|
1998 -- mode, as possibly set by the command line switch -gnata, and possibly
|
|
|
1999 -- modified by the use of the configuration pragma Assertion_Policy.
|
|
|
2000
|
|
|
2001 Assume_No_Invalid_Values_Config : Boolean;
|
|
|
2002 -- GNAT
|
|
|
2003 -- This is the value of the configuration switch for assuming "no invalid
|
|
|
2004 -- values enabled" mode, as possibly set by the command line switch
|
|
|
2005 -- -gnatB, and possibly modified by the use of the configuration pragma
|
|
|
2006 -- Assume_No_Invalid_Values.
|
|
|
2007
|
|
|
2008 Check_Float_Overflow_Config : Boolean;
|
|
|
2009 -- GNAT
|
|
|
2010 -- Set to True to check that operations on predefined unconstrained float
|
|
|
2011 -- types (e.g. Float, Long_Float) do not overflow and generate infinities
|
|
|
2012 -- or invalid values. Set by the Check_Float_Overflow pragma, or by use
|
|
|
2013 -- of the -gnateF switch.
|
|
|
2014
|
|
|
2015 Check_Policy_List_Config : Node_Id;
|
|
|
2016 -- GNAT
|
|
|
2017 -- This points to the list of N_Pragma nodes for Check_Policy pragmas
|
|
|
2018 -- that are linked through the Next_Pragma fields, with the list being
|
|
|
2019 -- terminated by Empty. The order is most recently processed first. This
|
|
|
2020 -- list includes only those pragmas in configuration pragma files.
|
|
|
2021
|
|
|
2022 Default_Pool_Config : Node_Id := Empty;
|
|
|
2023 -- GNAT
|
|
|
2024 -- Same as Default_Pool above, except this is only for Default_Storage_Pool
|
|
|
2025 -- pragmas that are configuration pragmas.
|
|
|
2026
|
|
|
2027 Default_SSO_Config : Character := ' ';
|
|
|
2028 -- GNAT
|
|
|
2029 -- Set if a pragma Default_Scalar_Storage_Order appears as a configuration
|
|
|
2030 -- pragma. A value of ' ' means that no pragma was given, otherwise the
|
|
|
2031 -- value is 'H' for High_Order_First or 'L' for Low_Order_First.
|
|
|
2032
|
|
|
2033 Dynamic_Elaboration_Checks_Config : Boolean := False;
|
|
|
2034 -- GNAT
|
|
|
2035 -- Set True for dynamic elaboration checking mode, as set by the -gnatE
|
|
|
2036 -- switch or by the use of pragma Elaboration_Checking (Dynamic).
|
|
|
2037
|
|
|
2038 Exception_Locations_Suppressed_Config : Boolean := False;
|
|
|
2039 -- GNAT
|
|
|
2040 -- Set True by use of the configuration pragma Suppress_Exception_Messages
|
|
|
2041
|
|
|
2042 Extensions_Allowed_Config : Boolean;
|
|
|
2043 -- GNAT
|
|
|
2044 -- This is the flag that indicates whether extensions are allowed. It can
|
|
|
2045 -- be set True either by use of the -gnatX switch, or by use of the
|
|
|
2046 -- configuration pragma Extensions_Allowed (On). It is always set to True
|
|
|
2047 -- for internal GNAT units, since extensions are always permitted in such
|
|
|
2048 -- units.
|
|
|
2049
|
|
|
2050 External_Name_Exp_Casing_Config : External_Casing_Type;
|
|
|
2051 -- GNAT
|
|
|
2052 -- This is the value of the configuration switch that controls casing of
|
|
|
2053 -- external symbols for which an explicit external name is given. It can be
|
|
|
2054 -- set to Uppercase by the command line switch -gnatF, and further modified
|
|
|
2055 -- by the use of the configuration pragma External_Name_Casing in the
|
|
|
2056 -- gnat.adc file. This flag is used to set the initial value for
|
|
|
2057 -- External_Name_Exp_Casing at the start of analyzing each unit. Note
|
|
|
2058 -- however that the setting of this flag is ignored for internal and
|
|
|
2059 -- predefined units (which are always compiled with As_Is mode).
|
|
|
2060
|
|
|
2061 External_Name_Imp_Casing_Config : External_Casing_Type;
|
|
|
2062 -- GNAT
|
|
|
2063 -- This is the value of the configuration switch that controls casing of
|
|
|
2064 -- external symbols where the external name is implicitly given. It can be
|
|
|
2065 -- set to Uppercase by the command line switch -gnatF, and further modified
|
|
|
2066 -- by the use of the configuration pragma External_Name_Casing in the
|
|
|
2067 -- gnat.adc file. This flag is used to set the initial value for
|
|
|
2068 -- External_Name_Imp_Casing at the start of analyzing each unit. Note
|
|
|
2069 -- however that the setting of this flag is ignored for internal and
|
|
|
2070 -- predefined units (which are always compiled with Lowercase mode).
|
|
|
2071
|
|
|
2072 Fast_Math_Config : Boolean;
|
|
|
2073 -- GNAT
|
|
|
2074 -- This is the value of the configuration switch that controls Fast_Math
|
|
|
2075 -- mode, as set by a Fast_Math pragma in configuration pragmas. It is
|
|
|
2076 -- used to set the initial value of Fast_Math at the start of each new
|
|
|
2077 -- compilation unit.
|
|
|
2078
|
|
|
2079 Initialize_Scalars_Config : Boolean;
|
|
|
2080 -- GNAT
|
|
|
2081 -- This is the value of the configuration switch that is set by the
|
|
|
2082 -- pragma Initialize_Scalars when it appears in the gnat.adc file.
|
|
|
2083 -- This switch is not set when the pragma appears ahead of a given
|
|
|
2084 -- unit, so it does not affect the compilation of other units.
|
|
|
2085
|
|
|
2086 No_Component_Reordering_Config : Boolean;
|
|
|
2087 -- GNAT
|
|
|
2088 -- This is the value of the configuration switch that is set by the
|
|
|
2089 -- pragma No_Component_Reordering when it appears in the gnat.adc file.
|
|
|
2090 -- This flag is used to set the initial value of No_Component_Reordering
|
|
|
2091 -- at the start of each compilation unit, except that it is always set
|
|
|
2092 -- False for predefined units.
|
|
|
2093
|
|
|
2094 No_Exit_Message : Boolean := False;
|
|
|
2095 -- GNATMAKE, GPRBUILD
|
|
|
2096 -- Set with switch --no-exit-message. When True, if there are compilation
|
|
|
2097 -- failures, the builder does not issue an exit error message.
|
|
|
2098
|
|
|
2099 Optimize_Alignment_Config : Character;
|
|
|
2100 -- GNAT
|
|
|
2101 -- This is the value of the configuration switch that controls the
|
|
|
2102 -- alignment optimization mode, as set by an Optimize_Alignment pragma.
|
|
|
2103 -- It is used to set the initial value of Optimize_Alignment at the start
|
|
|
2104 -- of each new compilation unit, except that it is always set to 'O' (off)
|
|
|
2105 -- for internal units.
|
|
|
2106
|
|
|
2107 Persistent_BSS_Mode_Config : Boolean;
|
|
|
2108 -- GNAT
|
|
|
2109 -- This is the value of the configuration switch that controls whether
|
|
|
2110 -- potentially persistent data is to be placed in the persistent_bss
|
|
|
2111 -- section. It can be set True by use of the pragma Persistent_BSS.
|
|
|
2112 -- This flag is used to set the initial value of Persistent_BSS_Mode
|
|
|
2113 -- at the start of each compilation unit, except that it is always
|
|
|
2114 -- set False for predefined units.
|
|
|
2115
|
|
|
2116 Polling_Required_Config : Boolean;
|
|
|
2117 -- GNAT
|
|
|
2118 -- This is the value of the configuration switch that controls polling
|
|
|
2119 -- mode. It can be set True by the command line switch -gnatP, and then
|
|
|
2120 -- further modified by the use of pragma Polling in the gnat.adc file. This
|
|
|
2121 -- flag is used to set the initial value for Polling_Required at the start
|
|
|
2122 -- of analyzing each unit.
|
|
|
2123
|
|
|
2124 Prefix_Exception_Messages_Config : Boolean;
|
|
|
2125 -- The setting of Prefix_Exception_Messages from configuration pragmas
|
|
|
2126
|
|
|
2127 SPARK_Mode_Config : SPARK_Mode_Type := None;
|
|
|
2128 -- GNAT
|
|
|
2129 -- The setting of SPARK_Mode from configuration pragmas
|
|
|
2130
|
|
|
2131 SPARK_Mode_Pragma_Config : Node_Id := Empty;
|
|
|
2132 -- If a SPARK_Mode pragma appeared in the configuration pragmas (setting
|
|
|
2133 -- SPARK_Mode_Config appropriately), then this points to the N_Pragma node.
|
|
|
2134
|
|
|
2135 Uneval_Old_Config : Character;
|
|
|
2136 -- GNAT
|
|
|
2137 -- The setting of Uneval_Old from configuration pragmas
|
|
|
2138
|
|
|
2139 Use_VADS_Size_Config : Boolean;
|
|
|
2140 -- GNAT
|
|
|
2141 -- This is the value of the configuration switch that controls the use of
|
|
|
2142 -- VADS_Size instead of Size wherever the attribute Size is used. It can
|
|
|
2143 -- be set True by the use of the pragma Use_VADS_Size in the gnat.adc file.
|
|
|
2144 -- This flag is used to set the initial value for Use_VADS_Size at the
|
|
|
2145 -- start of analyzing each unit. Note however that the setting of this flag
|
|
|
2146 -- is ignored for internal and predefined units (which are always compiled
|
|
|
2147 -- with the standard Size semantics).
|
|
|
2148
|
|
|
2149 Warnings_As_Errors_Count_Config : Natural;
|
|
|
2150 -- GNAT
|
|
|
2151 -- Count of pattern strings stored from Warning_As_Error pragmas
|
|
|
2152
|
|
|
2153 type Config_Switches_Type is private;
|
|
|
2154 -- Type used to save values of the switches set from Config values
|
|
|
2155
|
|
131
|
2156 procedure Register_Config_Switches;
|
|
|
2157 -- This procedure is called after processing the gnat.adc file and other
|
|
|
2158 -- configuration pragma files to record the values of the Config switches,
|
|
|
2159 -- as possibly modified by the use of command line switches and pragmas
|
|
|
2160 -- appearing in these files.
|
|
|
2161
|
|
|
2162 procedure Restore_Config_Switches (Save : Config_Switches_Type);
|
|
|
2163 -- This procedure restores a set of switch values previously saved by a
|
|
|
2164 -- call to Save_Config_Switches.
|
|
|
2165
|
|
|
2166 function Save_Config_Switches return Config_Switches_Type;
|
|
|
2167 -- Return the current state of all configuration-related attributes
|
|
|
2168
|
|
|
2169 procedure Set_Config_Switches
|
|
111
|
2170 (Internal_Unit : Boolean;
|
|
|
2171 Main_Unit : Boolean);
|
|
|
2172 -- This procedure sets the switches to the appropriate initial values. The
|
|
|
2173 -- parameter Internal_Unit is True for an internal or predefined unit, and
|
|
|
2174 -- affects the way the switches are set (see above). Main_Unit is true if
|
|
|
2175 -- switches are being set for the main unit or for the spec of the main
|
|
|
2176 -- unit. This affects setting of the assert/debug pragma switches, which
|
|
|
2177 -- are normally set false by default for an internal unit, except when the
|
|
|
2178 -- internal unit is the main unit, in which case we use the command line
|
|
|
2179 -- settings.
|
|
|
2180
|
|
|
2181 ------------------------
|
|
|
2182 -- Other Global Flags --
|
|
|
2183 ------------------------
|
|
|
2184
|
|
131
|
2185 Building_Static_Dispatch_Tables : Boolean := True;
|
|
|
2186 -- This flag indicates if the backend supports generation of statically
|
|
|
2187 -- allocated dispatch tables. If it is True, then the front end will
|
|
|
2188 -- generate static aggregates for dispatch tables that contain forward
|
|
|
2189 -- references to addresses of subprograms not seen yet, and the back end
|
|
|
2190 -- must be prepared to handle this case. If it is False, then the front
|
|
|
2191 -- end generates assignments to initialize the dispatch table, and there
|
|
|
2192 -- are no such forward references. By default we build statically allocated
|
|
|
2193 -- dispatch tables for all library level tagged types in all platforms.This
|
|
|
2194 -- behavior can be disabled using switch -gnatd.t which will set this flag
|
|
|
2195 -- to False and revert to the previous dynamic behavior.
|
|
|
2196
|
|
111
|
2197 Expander_Active : Boolean := False;
|
|
|
2198 -- A flag that indicates if expansion is active (True) or deactivated
|
|
|
2199 -- (False). When expansion is deactivated all calls to expander routines
|
|
|
2200 -- have no effect. Note that the initial setting of False is merely to
|
|
|
2201 -- prevent saving of an undefined value for an initial call to the
|
|
|
2202 -- Expander_Mode_Save_And_Set procedure. For more information on the use of
|
|
|
2203 -- this flag, see package Expander. Indeed this flag might more logically
|
|
|
2204 -- be in the spec of Expander, but it is referenced by Errout, and it
|
|
|
2205 -- really seems wrong for Errout to depend on Expander.
|
|
|
2206
|
|
|
2207 -----------------------
|
|
|
2208 -- Tree I/O Routines --
|
|
|
2209 -----------------------
|
|
|
2210
|
|
|
2211 procedure Tree_Read;
|
|
|
2212 -- Reads switch settings from current tree file using Tree_Read
|
|
|
2213
|
|
|
2214 procedure Tree_Write;
|
|
|
2215 -- Writes out switch settings to current tree file using Tree_Write
|
|
|
2216
|
|
|
2217 --------------------------
|
|
|
2218 -- ASIS Version Control --
|
|
|
2219 --------------------------
|
|
|
2220
|
|
|
2221 -- These two variables (Tree_Version_String and Tree_ASIS_Version_Number)
|
|
|
2222 -- are supposed to be used in the GNAT/ASIS version check performed in
|
|
|
2223 -- the ASIS code (this package is also a part of the ASIS implementation).
|
|
|
2224 -- They are set by Tree_Read procedure, so they represent the version
|
|
|
2225 -- number (and the version string) of the compiler which has created the
|
|
|
2226 -- tree, and they are supposed to be compared with the corresponding values
|
|
|
2227 -- from the Tree_IO and Gnatvsn packages which also are a part of ASIS
|
|
|
2228 -- implementation.
|
|
|
2229
|
|
|
2230 Tree_Version_String : String_Access;
|
|
|
2231 -- Used to store the compiler version string read from a tree file to check
|
|
|
2232 -- if it is from the same date as stored in the version string in Gnatvsn.
|
|
|
2233 -- We require that ASIS Pro can be used only with GNAT Pro, but we allow
|
|
|
2234 -- non-Pro ASIS and ASIS-based tools to be used with any version of the
|
|
|
2235 -- GNAT compiler. Therefore, we need the possibility to compare the dates
|
|
|
2236 -- of the corresponding source sets, using version strings that may be
|
|
|
2237 -- of different lengths.
|
|
|
2238
|
|
|
2239 Tree_ASIS_Version_Number : Int;
|
|
|
2240 -- Used to store the ASIS version number read from a tree file to check if
|
|
|
2241 -- it is the same as stored in the ASIS version number in Tree_IO.
|
|
|
2242
|
|
|
2243 -----------------------------------
|
|
|
2244 -- Modes for Formal Verification --
|
|
|
2245 -----------------------------------
|
|
|
2246
|
|
|
2247 GNATprove_Mode : Boolean := False;
|
|
|
2248 -- Specific compiling mode targeting formal verification for those parts
|
|
|
2249 -- of the input code that belong to the SPARK 2014 subset of Ada. Set True
|
|
|
2250 -- by the gnat2why executable or by use of the -gnatd.F debug switch. Note
|
|
|
2251 -- that this is completely separate from the SPARK restriction defined in
|
|
|
2252 -- GNAT to detect violations of a subset of SPARK 2005 rules.
|
|
|
2253
|
|
|
2254 ---------------------------
|
|
|
2255 -- Error/Warning Control --
|
|
|
2256 ---------------------------
|
|
|
2257
|
|
|
2258 -- The following array would more reasonably be located in Err_Vars or
|
|
|
2259 -- Errour, but we put them here to deal with licensing issues (we need
|
|
|
2260 -- this to have the GPL exception licensing, since these variables and
|
|
|
2261 -- subprograms are accessed from units with this licensing).
|
|
|
2262
|
|
|
2263 Warnings_As_Errors : array (1 .. 10_000) of String_Ptr;
|
|
|
2264 -- Table for recording Warning_As_Error pragmas as they are processed.
|
|
|
2265 -- It would be nicer to use Table, but there are circular elaboration
|
|
|
2266 -- problems if we try to do this, and an attempt to find some other
|
|
|
2267 -- appropriately licensed unit to declare this as a Table failed with
|
|
|
2268 -- various elaboration circularities. Memory is getting cheap these days!
|
|
|
2269
|
|
|
2270 ---------------
|
|
|
2271 -- GNAT_Mode --
|
|
|
2272 ---------------
|
|
|
2273
|
|
|
2274 GNAT_Mode : Boolean := False;
|
|
|
2275 -- GNAT
|
|
|
2276 -- True if compiling in GNAT system mode (-gnatg switch)
|
|
|
2277
|
|
|
2278 GNAT_Mode_Config : Boolean := False;
|
|
|
2279 -- GNAT
|
|
|
2280 -- True if -gnatg switch is present. GNAT_Mode may be temporary set to
|
|
|
2281 -- True during the analysis of a system unit, but GNAT_Mode_Config must
|
|
|
2282 -- not change once scanned and set.
|
|
|
2283
|
|
|
2284 -- Setting GNAT mode has the following effects on the language that is
|
|
|
2285 -- accepted. Note that several of the following have the effect of changing
|
|
|
2286 -- an error to a warning. But warnings are usually treated as fatal errors
|
|
|
2287 -- in -gnatg mode, so to actually take advantage of such a change, it is
|
|
|
2288 -- necessary to add an explicit pragma Warnings (Off) in the source and
|
|
|
2289 -- this requires clear documentation of why this is necessary.
|
|
|
2290
|
|
|
2291 -- The identifier character set is set to 'n' (7-bit ASCII)
|
|
|
2292
|
|
|
2293 -- Pragma Extend_System is ignored
|
|
|
2294
|
|
|
2295 -- Warning_Mode is set to Treat_As_Error (-gnatwe)
|
|
|
2296
|
|
|
2297 -- Standard style checks are set (See Set_GNAT_Style_Check_Options)
|
|
|
2298
|
|
|
2299 -- Standard warnings are turned on (see Set_GNAT_Mode_Warnings)
|
|
|
2300
|
|
|
2301 -- The Ada version is set to Ada 2012
|
|
|
2302
|
|
|
2303 -- Task priorities are always allowed to be in the range Any_Priority
|
|
|
2304
|
|
|
2305 -- Overflow checks are suppressed, overflow checking set to strict mode
|
|
|
2306
|
|
|
2307 -- ALI files are always generated for predefined generic packages
|
|
|
2308
|
|
|
2309 -- Obsolescent feature warnings are suppressed
|
|
|
2310
|
|
|
2311 -- Recompilation of children of GNAT, System, Ada, Interfaces is allowed
|
|
|
2312
|
|
|
2313 -- The Scalar_Storage_Order attribute applies to generic types
|
|
|
2314
|
|
|
2315 -- Categorization errors are treated as warnings rather than errors
|
|
|
2316
|
|
|
2317 -- Statements in preelaborated units give warnings rather than errors
|
|
|
2318
|
|
|
2319 -- Private objects are allowed in preelaborated units
|
|
|
2320
|
|
|
2321 -- Non-static constants in preelaborated units give warnings not errors
|
|
|
2322
|
|
|
2323 -- The warning about component size being ignored is suppressed
|
|
|
2324
|
|
|
2325 -- The warning about size clauses being ignored is suppressed
|
|
|
2326
|
|
|
2327 -- Initializing limited types gives a warning rather than an error
|
|
|
2328
|
|
|
2329 -- Copying of limited objects is allowed
|
|
|
2330
|
|
|
2331 -- Returning objects of limited types is allowed
|
|
|
2332
|
|
|
2333 -- Non-static call in preelaborated unit give a warning, not an error
|
|
|
2334
|
|
|
2335 -- Warnings on possible elaboration errors are suppressed
|
|
|
2336
|
|
|
2337 -- Warnings about packing being ignored are suppressed
|
|
|
2338
|
|
|
2339 -- Warnings in internal units are not suppressed (they normally are)
|
|
|
2340
|
|
|
2341 -- The only special comment sequence allowed is --!
|
|
|
2342
|
|
|
2343 --------------------------
|
|
|
2344 -- Private Declarations --
|
|
|
2345 --------------------------
|
|
|
2346
|
|
|
2347 private
|
|
|
2348 -- The following type is used to save and restore settings of switches in
|
|
|
2349 -- Opt that represent the configuration (i.e. result of config pragmas).
|
|
|
2350
|
|
|
2351 -- Note that Ada_Version_Explicit is not included, since this is a sticky
|
|
|
2352 -- flag that once set does not get reset, since the whole idea of this flag
|
|
|
2353 -- is to record the setting for the main unit.
|
|
|
2354
|
|
|
2355 type Config_Switches_Type is record
|
|
|
2356 Ada_Version : Ada_Version_Type;
|
|
|
2357 Ada_Version_Explicit : Ada_Version_Type;
|
|
|
2358 Ada_Version_Pragma : Node_Id;
|
|
|
2359 Assertions_Enabled : Boolean;
|
|
|
2360 Assume_No_Invalid_Values : Boolean;
|
|
|
2361 Check_Float_Overflow : Boolean;
|
|
|
2362 Check_Policy_List : Node_Id;
|
|
|
2363 Default_Pool : Node_Id;
|
|
|
2364 Default_SSO : Character;
|
|
|
2365 Dynamic_Elaboration_Checks : Boolean;
|
|
|
2366 Exception_Locations_Suppressed : Boolean;
|
|
|
2367 Extensions_Allowed : Boolean;
|
|
|
2368 External_Name_Exp_Casing : External_Casing_Type;
|
|
|
2369 External_Name_Imp_Casing : External_Casing_Type;
|
|
|
2370 Fast_Math : Boolean;
|
|
|
2371 Initialize_Scalars : Boolean;
|
|
|
2372 No_Component_Reordering : Boolean;
|
|
|
2373 Normalize_Scalars : Boolean;
|
|
|
2374 Optimize_Alignment : Character;
|
|
|
2375 Optimize_Alignment_Local : Boolean;
|
|
|
2376 Persistent_BSS_Mode : Boolean;
|
|
|
2377 Polling_Required : Boolean;
|
|
|
2378 Prefix_Exception_Messages : Boolean;
|
|
|
2379 SPARK_Mode : SPARK_Mode_Type;
|
|
|
2380 SPARK_Mode_Pragma : Node_Id;
|
|
|
2381 Uneval_Old : Character;
|
|
|
2382 Use_VADS_Size : Boolean;
|
|
|
2383 Warnings_As_Errors_Count : Natural;
|
|
|
2384 end record;
|
|
|
2385
|
|
|
2386 -- The following declarations are for GCC version dependent flags. We do
|
|
|
2387 -- not let client code in the compiler test GCC_Version directly, but
|
|
|
2388 -- instead use deferred constants for relevant feature tags.
|
|
|
2389
|
|
|
2390 -- Note: there currently are no such constants defined in this section,
|
|
|
2391 -- since the compiler front end is currently entirely independent of the
|
|
|
2392 -- GCC version, which is a desirable state of affairs.
|
|
|
2393
|
|
|
2394 function get_gcc_version return Int;
|
|
|
2395 pragma Import (C, get_gcc_version, "get_gcc_version");
|
|
|
2396
|
|
|
2397 GCC_Version : constant Nat := get_gcc_version;
|
|
|
2398 -- GNATMAKE
|
|
|
2399 -- Indicates which version of gcc is in use (3 = 3.x, 4 = 4.x). Note that
|
|
|
2400 -- gcc 2.8.1 (which used to be a value of 2) is no longer supported.
|
|
|
2401
|
|
|
2402 end Opt;
|
