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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 -- L I B --
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6 -- --
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7 -- B o d y --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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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 pragma Style_Checks (All_Checks);
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33 -- Subprogram ordering not enforced in this unit
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34 -- (because of some logical groupings).
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35
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36 with Atree; use Atree;
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37 with Csets; use Csets;
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38 with Einfo; use Einfo;
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39 with Nlists; use Nlists;
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40 with Opt; use Opt;
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41 with Output; use Output;
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42 with Sinfo; use Sinfo;
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43 with Sinput; use Sinput;
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44 with Stand; use Stand;
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45 with Stringt; use Stringt;
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46 with Tree_IO; use Tree_IO;
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47 with Uname; use Uname;
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48 with Widechar; use Widechar;
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49
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50 package body Lib is
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51
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52 Switch_Storing_Enabled : Boolean := True;
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53 -- Controlled by Enable_Switch_Storing/Disable_Switch_Storing
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54
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55 -----------------------
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56 -- Local Subprograms --
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57 -----------------------
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58
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59 type SEU_Result is (
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60 Yes_Before, -- S1 is in same extended unit as S2 and appears before it
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61 Yes_Same, -- S1 is in same extended unit as S2, Slocs are the same
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62 Yes_After, -- S1 is in same extended unit as S2, and appears after it
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63 No); -- S2 is not in same extended unit as S2
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64
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65 function Check_Same_Extended_Unit
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66 (S1 : Source_Ptr;
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67 S2 : Source_Ptr) return SEU_Result;
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68 -- Used by In_Same_Extended_Unit and Earlier_In_Extended_Unit. Returns
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69 -- value as described above.
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70
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71 function Get_Code_Or_Source_Unit
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72 (S : Source_Ptr;
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73 Unwind_Instances : Boolean;
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74 Unwind_Subunits : Boolean) return Unit_Number_Type;
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75 -- Common processing for routines Get_Code_Unit, Get_Source_Unit, and
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76 -- Get_Top_Level_Code_Unit. Unwind_Instances is True when the unit for the
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77 -- top-level instantiation should be returned instead of the unit for the
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78 -- template, in the case of an instantiation. Unwind_Subunits is True when
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79 -- the corresponding top-level unit should be returned instead of a
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80 -- subunit, in the case of a subunit.
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81
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82 --------------------------------------------
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83 -- Access Functions for Unit Table Fields --
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84 --------------------------------------------
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85
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86 function Cunit (U : Unit_Number_Type) return Node_Id is
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87 begin
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88 return Units.Table (U).Cunit;
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89 end Cunit;
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90
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91 function Cunit_Entity (U : Unit_Number_Type) return Entity_Id is
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92 begin
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93 return Units.Table (U).Cunit_Entity;
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94 end Cunit_Entity;
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95
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96 function Dependency_Num (U : Unit_Number_Type) return Nat is
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97 begin
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98 return Units.Table (U).Dependency_Num;
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99 end Dependency_Num;
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100
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101 function Dynamic_Elab (U : Unit_Number_Type) return Boolean is
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102 begin
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103 return Units.Table (U).Dynamic_Elab;
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104 end Dynamic_Elab;
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105
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106 function Error_Location (U : Unit_Number_Type) return Source_Ptr is
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107 begin
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108 return Units.Table (U).Error_Location;
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109 end Error_Location;
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110
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111 function Expected_Unit (U : Unit_Number_Type) return Unit_Name_Type is
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112 begin
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113 return Units.Table (U).Expected_Unit;
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114 end Expected_Unit;
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115
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116 function Fatal_Error (U : Unit_Number_Type) return Fatal_Type is
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117 begin
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118 return Units.Table (U).Fatal_Error;
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119 end Fatal_Error;
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120
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121 function Generate_Code (U : Unit_Number_Type) return Boolean is
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122 begin
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123 return Units.Table (U).Generate_Code;
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124 end Generate_Code;
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125
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126 function Has_RACW (U : Unit_Number_Type) return Boolean is
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127 begin
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128 return Units.Table (U).Has_RACW;
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129 end Has_RACW;
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130
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131 function Is_Predefined_Renaming (U : Unit_Number_Type) return Boolean is
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132 begin
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133 return Units.Table (U).Is_Predefined_Renaming;
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134 end Is_Predefined_Renaming;
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135
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136 function Is_Internal_Unit (U : Unit_Number_Type) return Boolean is
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137 begin
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138 return Units.Table (U).Is_Internal_Unit;
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139 end Is_Internal_Unit;
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140
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141 function Is_Predefined_Unit (U : Unit_Number_Type) return Boolean is
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142 begin
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143 return Units.Table (U).Is_Predefined_Unit;
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144 end Is_Predefined_Unit;
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145
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146 function Ident_String (U : Unit_Number_Type) return Node_Id is
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147 begin
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148 return Units.Table (U).Ident_String;
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149 end Ident_String;
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150
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151 function Loading (U : Unit_Number_Type) return Boolean is
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152 begin
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153 return Units.Table (U).Loading;
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154 end Loading;
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155
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156 function Main_CPU (U : Unit_Number_Type) return Int is
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157 begin
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158 return Units.Table (U).Main_CPU;
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159 end Main_CPU;
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160
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161 function Main_Priority (U : Unit_Number_Type) return Int is
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162 begin
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163 return Units.Table (U).Main_Priority;
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164 end Main_Priority;
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165
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166 function Munit_Index (U : Unit_Number_Type) return Nat is
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167 begin
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168 return Units.Table (U).Munit_Index;
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169 end Munit_Index;
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170
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171 function No_Elab_Code_All (U : Unit_Number_Type) return Boolean is
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172 begin
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173 return Units.Table (U).No_Elab_Code_All;
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174 end No_Elab_Code_All;
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175
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176 function OA_Setting (U : Unit_Number_Type) return Character is
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177 begin
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178 return Units.Table (U).OA_Setting;
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179 end OA_Setting;
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180
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181 function Primary_Stack_Count (U : Unit_Number_Type) return Int is
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182 begin
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183 return Units.Table (U).Primary_Stack_Count;
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184 end Primary_Stack_Count;
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185
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186 function Sec_Stack_Count (U : Unit_Number_Type) return Int is
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187 begin
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188 return Units.Table (U).Sec_Stack_Count;
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189 end Sec_Stack_Count;
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190
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191 function Source_Index (U : Unit_Number_Type) return Source_File_Index is
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192 begin
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193 return Units.Table (U).Source_Index;
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194 end Source_Index;
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195
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196 function Unit_File_Name (U : Unit_Number_Type) return File_Name_Type is
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197 begin
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198 return Units.Table (U).Unit_File_Name;
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199 end Unit_File_Name;
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200
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201 function Unit_Name (U : Unit_Number_Type) return Unit_Name_Type is
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202 begin
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203 return Units.Table (U).Unit_Name;
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204 end Unit_Name;
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205
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206 ------------------------------------------
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207 -- Subprograms to Set Unit Table Fields --
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208 ------------------------------------------
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209
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210 procedure Set_Cunit (U : Unit_Number_Type; N : Node_Id) is
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211 begin
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212 Units.Table (U).Cunit := N;
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213 end Set_Cunit;
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214
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215 procedure Set_Cunit_Entity (U : Unit_Number_Type; E : Entity_Id) is
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216 begin
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217 Units.Table (U).Cunit_Entity := E;
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218 Set_Is_Compilation_Unit (E);
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219 end Set_Cunit_Entity;
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220
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221 procedure Set_Dynamic_Elab (U : Unit_Number_Type; B : Boolean := True) is
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222 begin
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223 Units.Table (U).Dynamic_Elab := B;
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224 end Set_Dynamic_Elab;
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225
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226 procedure Set_Error_Location (U : Unit_Number_Type; W : Source_Ptr) is
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227 begin
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228 Units.Table (U).Error_Location := W;
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229 end Set_Error_Location;
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230
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231 procedure Set_Fatal_Error (U : Unit_Number_Type; V : Fatal_Type) is
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232 begin
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233 Units.Table (U).Fatal_Error := V;
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234 end Set_Fatal_Error;
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235
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236 procedure Set_Generate_Code (U : Unit_Number_Type; B : Boolean := True) is
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237 begin
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238 Units.Table (U).Generate_Code := B;
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239 end Set_Generate_Code;
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240
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241 procedure Set_Has_RACW (U : Unit_Number_Type; B : Boolean := True) is
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242 begin
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243 Units.Table (U).Has_RACW := B;
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244 end Set_Has_RACW;
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245
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246 procedure Set_Ident_String (U : Unit_Number_Type; N : Node_Id) is
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247 begin
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248 Units.Table (U).Ident_String := N;
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249 end Set_Ident_String;
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250
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251 procedure Set_Loading (U : Unit_Number_Type; B : Boolean := True) is
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252 begin
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253 Units.Table (U).Loading := B;
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254 end Set_Loading;
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255
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256 procedure Set_Main_CPU (U : Unit_Number_Type; P : Int) is
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257 begin
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258 Units.Table (U).Main_CPU := P;
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259 end Set_Main_CPU;
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260
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261 procedure Set_Main_Priority (U : Unit_Number_Type; P : Int) is
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262 begin
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263 Units.Table (U).Main_Priority := P;
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264 end Set_Main_Priority;
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265
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266 procedure Set_No_Elab_Code_All
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267 (U : Unit_Number_Type;
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268 B : Boolean := True)
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269 is
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270 begin
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271 Units.Table (U).No_Elab_Code_All := B;
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272 end Set_No_Elab_Code_All;
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273
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274 procedure Set_OA_Setting (U : Unit_Number_Type; C : Character) is
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275 begin
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276 Units.Table (U).OA_Setting := C;
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277 end Set_OA_Setting;
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278
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279 procedure Set_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type) is
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280 begin
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281 Units.Table (U).Unit_Name := N;
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282 end Set_Unit_Name;
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283
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284 ------------------------------
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285 -- Check_Same_Extended_Unit --
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286 ------------------------------
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287
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288 function Check_Same_Extended_Unit
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289 (S1 : Source_Ptr;
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290 S2 : Source_Ptr) return SEU_Result
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291 is
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292 Max_Iterations : constant Nat := Maximum_Instantiations * 2;
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293 -- Limit to prevent a potential infinite loop
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294
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295 Counter : Nat := 0;
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296 Depth1 : Nat;
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297 Depth2 : Nat;
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298 Inst1 : Source_Ptr;
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299 Inst2 : Source_Ptr;
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300 Sind1 : Source_File_Index;
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301 Sind2 : Source_File_Index;
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302 Sloc1 : Source_Ptr;
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303 Sloc2 : Source_Ptr;
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304 Unit1 : Node_Id;
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305 Unit2 : Node_Id;
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306 Unum1 : Unit_Number_Type;
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307 Unum2 : Unit_Number_Type;
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308
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309 begin
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310 if S1 = No_Location or else S2 = No_Location then
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311 return No;
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312
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313 elsif S1 = Standard_Location then
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314 if S2 = Standard_Location then
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315 return Yes_Same;
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316 else
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317 return No;
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318 end if;
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319
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320 elsif S2 = Standard_Location then
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321 return No;
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322 end if;
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323
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324 Sloc1 := S1;
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325 Sloc2 := S2;
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326
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327 Unum1 := Get_Source_Unit (Sloc1);
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328 Unum2 := Get_Source_Unit (Sloc2);
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329
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330 loop
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331 -- Step 1: Check whether the two locations are in the same source
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332 -- file.
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333
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334 Sind1 := Get_Source_File_Index (Sloc1);
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335 Sind2 := Get_Source_File_Index (Sloc2);
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336
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337 if Sind1 = Sind2 then
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338 if Sloc1 < Sloc2 then
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339 return Yes_Before;
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340 elsif Sloc1 > Sloc2 then
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341 return Yes_After;
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342 else
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343 return Yes_Same;
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344 end if;
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345 end if;
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346
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347 -- Step 2: Check subunits. If a subunit is instantiated, follow the
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348 -- instantiation chain rather than the stub chain.
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349
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350 Unit1 := Unit (Cunit (Unum1));
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351 Unit2 := Unit (Cunit (Unum2));
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352 Inst1 := Instantiation (Sind1);
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353 Inst2 := Instantiation (Sind2);
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354
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355 if Nkind (Unit1) = N_Subunit
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356 and then Present (Corresponding_Stub (Unit1))
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357 and then Inst1 = No_Location
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358 then
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359 if Nkind (Unit2) = N_Subunit
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360 and then Present (Corresponding_Stub (Unit2))
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361 and then Inst2 = No_Location
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362 then
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363 -- Both locations refer to subunits which may have a common
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364 -- ancestor. If they do, the deeper subunit must have a longer
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365 -- unit name. Replace the deeper one with its corresponding
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366 -- stub in order to find the nearest ancestor.
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367
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368 if Length_Of_Name (Unit_Name (Unum1)) <
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369 Length_Of_Name (Unit_Name (Unum2))
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370 then
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371 Sloc2 := Sloc (Corresponding_Stub (Unit2));
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372 Unum2 := Get_Source_Unit (Sloc2);
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373 goto Continue;
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374
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375 else
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376 Sloc1 := Sloc (Corresponding_Stub (Unit1));
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377 Unum1 := Get_Source_Unit (Sloc1);
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378 goto Continue;
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379 end if;
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380
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381 -- Sloc1 in subunit, Sloc2 not
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382
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383 else
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384 Sloc1 := Sloc (Corresponding_Stub (Unit1));
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385 Unum1 := Get_Source_Unit (Sloc1);
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386 goto Continue;
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387 end if;
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388
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389 -- Sloc2 in subunit, Sloc1 not
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390
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391 elsif Nkind (Unit2) = N_Subunit
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392 and then Present (Corresponding_Stub (Unit2))
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393 and then Inst2 = No_Location
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394 then
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395 Sloc2 := Sloc (Corresponding_Stub (Unit2));
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396 Unum2 := Get_Source_Unit (Sloc2);
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397 goto Continue;
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398 end if;
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399
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400 -- Step 3: Check instances. The two locations may yield a common
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401 -- ancestor.
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402
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403 if Inst1 /= No_Location then
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404 if Inst2 /= No_Location then
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405
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406 -- Both locations denote instantiations
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407
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408 Depth1 := Instantiation_Depth (Sloc1);
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409 Depth2 := Instantiation_Depth (Sloc2);
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410
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411 if Depth1 < Depth2 then
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412 Sloc2 := Inst2;
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413 Unum2 := Get_Source_Unit (Sloc2);
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414 goto Continue;
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415
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416 elsif Depth1 > Depth2 then
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417 Sloc1 := Inst1;
|
|
|
418 Unum1 := Get_Source_Unit (Sloc1);
|
|
|
419 goto Continue;
|
|
|
420
|
|
|
421 else
|
|
|
422 Sloc1 := Inst1;
|
|
|
423 Sloc2 := Inst2;
|
|
|
424 Unum1 := Get_Source_Unit (Sloc1);
|
|
|
425 Unum2 := Get_Source_Unit (Sloc2);
|
|
|
426 goto Continue;
|
|
|
427 end if;
|
|
|
428
|
|
|
429 -- Sloc1 is an instantiation
|
|
|
430
|
|
|
431 else
|
|
|
432 Sloc1 := Inst1;
|
|
|
433 Unum1 := Get_Source_Unit (Sloc1);
|
|
|
434 goto Continue;
|
|
|
435 end if;
|
|
|
436
|
|
|
437 -- Sloc2 is an instantiation
|
|
|
438
|
|
|
439 elsif Inst2 /= No_Location then
|
|
|
440 Sloc2 := Inst2;
|
|
|
441 Unum2 := Get_Source_Unit (Sloc2);
|
|
|
442 goto Continue;
|
|
|
443 end if;
|
|
|
444
|
|
|
445 -- Step 4: One location in the spec, the other in the corresponding
|
|
|
446 -- body of the same unit. The location in the spec is considered
|
|
|
447 -- earlier.
|
|
|
448
|
|
|
449 if Nkind (Unit1) = N_Subprogram_Body
|
|
|
450 or else
|
|
|
451 Nkind (Unit1) = N_Package_Body
|
|
|
452 then
|
|
|
453 if Library_Unit (Cunit (Unum1)) = Cunit (Unum2) then
|
|
|
454 return Yes_After;
|
|
|
455 end if;
|
|
|
456
|
|
|
457 elsif Nkind (Unit2) = N_Subprogram_Body
|
|
|
458 or else
|
|
|
459 Nkind (Unit2) = N_Package_Body
|
|
|
460 then
|
|
|
461 if Library_Unit (Cunit (Unum2)) = Cunit (Unum1) then
|
|
|
462 return Yes_Before;
|
|
|
463 end if;
|
|
|
464 end if;
|
|
|
465
|
|
|
466 -- At this point it is certain that the two locations denote two
|
|
|
467 -- entirely separate units.
|
|
|
468
|
|
|
469 return No;
|
|
|
470
|
|
|
471 <<Continue>>
|
|
|
472 Counter := Counter + 1;
|
|
|
473
|
|
|
474 -- Prevent looping forever
|
|
|
475
|
|
|
476 if Counter > Max_Iterations then
|
|
|
477
|
|
|
478 -- ??? Not quite right, but return a value to be able to generate
|
|
|
479 -- SCIL files and hope for the best.
|
|
|
480
|
|
|
481 if CodePeer_Mode then
|
|
|
482 return No;
|
|
|
483 else
|
|
|
484 raise Program_Error;
|
|
|
485 end if;
|
|
|
486 end if;
|
|
|
487 end loop;
|
|
|
488 end Check_Same_Extended_Unit;
|
|
|
489
|
|
|
490 -------------------------------
|
|
|
491 -- Compilation_Switches_Last --
|
|
|
492 -------------------------------
|
|
|
493
|
|
|
494 function Compilation_Switches_Last return Nat is
|
|
|
495 begin
|
|
|
496 return Compilation_Switches.Last;
|
|
|
497 end Compilation_Switches_Last;
|
|
|
498
|
|
|
499 ---------------------------
|
|
|
500 -- Enable_Switch_Storing --
|
|
|
501 ---------------------------
|
|
|
502
|
|
|
503 procedure Enable_Switch_Storing is
|
|
|
504 begin
|
|
|
505 Switch_Storing_Enabled := True;
|
|
|
506 end Enable_Switch_Storing;
|
|
|
507
|
|
|
508 ----------------------------
|
|
|
509 -- Disable_Switch_Storing --
|
|
|
510 ----------------------------
|
|
|
511
|
|
|
512 procedure Disable_Switch_Storing is
|
|
|
513 begin
|
|
|
514 Switch_Storing_Enabled := False;
|
|
|
515 end Disable_Switch_Storing;
|
|
|
516
|
|
|
517 ------------------------------
|
|
|
518 -- Earlier_In_Extended_Unit --
|
|
|
519 ------------------------------
|
|
|
520
|
|
|
521 function Earlier_In_Extended_Unit
|
|
|
522 (S1 : Source_Ptr;
|
|
|
523 S2 : Source_Ptr) return Boolean
|
|
|
524 is
|
|
|
525 begin
|
|
|
526 return Check_Same_Extended_Unit (S1, S2) = Yes_Before;
|
|
|
527 end Earlier_In_Extended_Unit;
|
|
|
528
|
|
|
529 function Earlier_In_Extended_Unit
|
|
|
530 (N1 : Node_Or_Entity_Id;
|
|
|
531 N2 : Node_Or_Entity_Id) return Boolean
|
|
|
532 is
|
|
|
533 begin
|
|
|
534 return Earlier_In_Extended_Unit (Sloc (N1), Sloc (N2));
|
|
|
535 end Earlier_In_Extended_Unit;
|
|
|
536
|
|
|
537 -----------------------
|
|
|
538 -- Exact_Source_Name --
|
|
|
539 -----------------------
|
|
|
540
|
|
|
541 function Exact_Source_Name (Loc : Source_Ptr) return String is
|
|
|
542 U : constant Unit_Number_Type := Get_Source_Unit (Loc);
|
|
|
543 Buf : constant Source_Buffer_Ptr := Source_Text (Source_Index (U));
|
|
|
544 Orig : constant Source_Ptr := Original_Location (Loc);
|
|
|
545 P : Source_Ptr;
|
|
|
546
|
|
|
547 WC : Char_Code;
|
|
|
548 Err : Boolean;
|
|
|
549 pragma Warnings (Off, WC);
|
|
|
550 pragma Warnings (Off, Err);
|
|
|
551
|
|
|
552 begin
|
|
|
553 -- Entity is character literal
|
|
|
554
|
|
|
555 if Buf (Orig) = ''' then
|
|
|
556 return String (Buf (Orig .. Orig + 2));
|
|
|
557
|
|
|
558 -- Entity is operator symbol
|
|
|
559
|
|
|
560 elsif Buf (Orig) = '"' or else Buf (Orig) = '%' then
|
|
|
561 P := Orig;
|
|
|
562
|
|
|
563 loop
|
|
|
564 P := P + 1;
|
|
|
565 exit when Buf (P) = Buf (Orig);
|
|
|
566 end loop;
|
|
|
567
|
|
|
568 return String (Buf (Orig .. P));
|
|
|
569
|
|
|
570 -- Entity is identifier
|
|
|
571
|
|
|
572 else
|
|
|
573 P := Orig;
|
|
|
574
|
|
|
575 loop
|
|
|
576 if Is_Start_Of_Wide_Char (Buf, P) then
|
|
|
577 Scan_Wide (Buf, P, WC, Err);
|
|
|
578 elsif not Identifier_Char (Buf (P)) then
|
|
|
579 exit;
|
|
|
580 else
|
|
|
581 P := P + 1;
|
|
|
582 end if;
|
|
|
583 end loop;
|
|
|
584
|
|
|
585 -- Write out the identifier by copying the exact source characters
|
|
|
586 -- used in its declaration. Note that this means wide characters will
|
|
|
587 -- be in their original encoded form.
|
|
|
588
|
|
|
589 return String (Buf (Orig .. P - 1));
|
|
|
590 end if;
|
|
|
591 end Exact_Source_Name;
|
|
|
592
|
|
|
593 ----------------------------
|
|
|
594 -- Entity_Is_In_Main_Unit --
|
|
|
595 ----------------------------
|
|
|
596
|
|
|
597 function Entity_Is_In_Main_Unit (E : Entity_Id) return Boolean is
|
|
|
598 S : Entity_Id;
|
|
|
599
|
|
|
600 begin
|
|
|
601 S := Scope (E);
|
|
|
602
|
|
|
603 while S /= Standard_Standard loop
|
|
|
604 if S = Main_Unit_Entity then
|
|
|
605 return True;
|
|
|
606 elsif Ekind (S) = E_Package and then Is_Child_Unit (S) then
|
|
|
607 return False;
|
|
|
608 else
|
|
|
609 S := Scope (S);
|
|
|
610 end if;
|
|
|
611 end loop;
|
|
|
612
|
|
|
613 return False;
|
|
|
614 end Entity_Is_In_Main_Unit;
|
|
|
615
|
|
|
616 --------------------------
|
|
|
617 -- Generic_May_Lack_ALI --
|
|
|
618 --------------------------
|
|
|
619
|
|
|
620 function Generic_May_Lack_ALI (Unum : Unit_Number_Type) return Boolean is
|
|
|
621 begin
|
|
|
622 -- We allow internal generic units to be used without having a
|
|
|
623 -- corresponding ALI files to help bootstrapping with older compilers
|
|
|
624 -- that did not support generating ALIs for such generics. It is safe
|
|
|
625 -- to do so because the only thing the generated code would contain
|
|
|
626 -- is the elaboration boolean, and we are careful to elaborate all
|
|
|
627 -- predefined units first anyway.
|
|
|
628
|
|
|
629 return Is_Internal_Unit (Unum);
|
|
|
630 end Generic_May_Lack_ALI;
|
|
|
631
|
|
|
632 -----------------------------
|
|
|
633 -- Get_Code_Or_Source_Unit --
|
|
|
634 -----------------------------
|
|
|
635
|
|
|
636 function Get_Code_Or_Source_Unit
|
|
|
637 (S : Source_Ptr;
|
|
|
638 Unwind_Instances : Boolean;
|
|
|
639 Unwind_Subunits : Boolean) return Unit_Number_Type
|
|
|
640 is
|
|
|
641 begin
|
|
|
642 -- Search table unless we have No_Location, which can happen if the
|
|
|
643 -- relevant location has not been set yet. Happens for example when
|
|
|
644 -- we obtain Sloc (Cunit (Main_Unit)) before it is set.
|
|
|
645
|
|
|
646 if S /= No_Location then
|
|
|
647 declare
|
|
|
648 Source_File : Source_File_Index;
|
|
|
649 Source_Unit : Unit_Number_Type;
|
|
|
650 Unit_Node : Node_Id;
|
|
|
651
|
|
|
652 begin
|
|
|
653 Source_File := Get_Source_File_Index (S);
|
|
|
654
|
|
|
655 if Unwind_Instances then
|
|
|
656 while Template (Source_File) > No_Source_File loop
|
|
|
657 Source_File := Template (Source_File);
|
|
|
658 end loop;
|
|
|
659 end if;
|
|
|
660
|
|
|
661 Source_Unit := Unit (Source_File);
|
|
|
662
|
|
|
663 if Unwind_Subunits then
|
|
|
664 Unit_Node := Unit (Cunit (Source_Unit));
|
|
|
665
|
|
|
666 while Nkind (Unit_Node) = N_Subunit
|
|
|
667 and then Present (Corresponding_Stub (Unit_Node))
|
|
|
668 loop
|
|
|
669 Source_Unit :=
|
|
|
670 Get_Code_Or_Source_Unit
|
|
|
671 (Sloc (Corresponding_Stub (Unit_Node)),
|
|
|
672 Unwind_Instances => Unwind_Instances,
|
|
|
673 Unwind_Subunits => Unwind_Subunits);
|
|
|
674 Unit_Node := Unit (Cunit (Source_Unit));
|
|
|
675 end loop;
|
|
|
676 end if;
|
|
|
677
|
|
|
678 if Source_Unit /= No_Unit then
|
|
|
679 return Source_Unit;
|
|
|
680 end if;
|
|
|
681 end;
|
|
|
682 end if;
|
|
|
683
|
|
|
684 -- If S was No_Location, or was not in the table, we must be in the main
|
|
|
685 -- source unit (and the value has not been placed in the table yet),
|
|
|
686 -- or in one of the configuration pragma files.
|
|
|
687
|
|
|
688 return Main_Unit;
|
|
|
689 end Get_Code_Or_Source_Unit;
|
|
|
690
|
|
|
691 -------------------
|
|
|
692 -- Get_Code_Unit --
|
|
|
693 -------------------
|
|
|
694
|
|
|
695 function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
|
|
|
696 begin
|
|
|
697 return
|
|
|
698 Get_Code_Or_Source_Unit
|
|
|
699 (Top_Level_Location (S),
|
|
|
700 Unwind_Instances => False,
|
|
|
701 Unwind_Subunits => False);
|
|
|
702 end Get_Code_Unit;
|
|
|
703
|
|
|
704 function Get_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
|
|
|
705 begin
|
|
|
706 return Get_Code_Unit (Sloc (N));
|
|
|
707 end Get_Code_Unit;
|
|
|
708
|
|
|
709 ----------------------------
|
|
|
710 -- Get_Compilation_Switch --
|
|
|
711 ----------------------------
|
|
|
712
|
|
|
713 function Get_Compilation_Switch (N : Pos) return String_Ptr is
|
|
|
714 begin
|
|
|
715 if N <= Compilation_Switches.Last then
|
|
|
716 return Compilation_Switches.Table (N);
|
|
|
717 else
|
|
|
718 return null;
|
|
|
719 end if;
|
|
|
720 end Get_Compilation_Switch;
|
|
|
721
|
|
|
722 ----------------------------------
|
|
|
723 -- Get_Cunit_Entity_Unit_Number --
|
|
|
724 ----------------------------------
|
|
|
725
|
|
|
726 function Get_Cunit_Entity_Unit_Number
|
|
|
727 (E : Entity_Id) return Unit_Number_Type
|
|
|
728 is
|
|
|
729 begin
|
|
|
730 for U in Units.First .. Units.Last loop
|
|
|
731 if Cunit_Entity (U) = E then
|
|
|
732 return U;
|
|
|
733 end if;
|
|
|
734 end loop;
|
|
|
735
|
|
|
736 -- If not in the table, must be the main source unit, and we just
|
|
|
737 -- have not got it put into the table yet.
|
|
|
738
|
|
|
739 return Main_Unit;
|
|
|
740 end Get_Cunit_Entity_Unit_Number;
|
|
|
741
|
|
|
742 ---------------------------
|
|
|
743 -- Get_Cunit_Unit_Number --
|
|
|
744 ---------------------------
|
|
|
745
|
|
|
746 function Get_Cunit_Unit_Number (N : Node_Id) return Unit_Number_Type is
|
|
|
747 begin
|
|
|
748 for U in Units.First .. Units.Last loop
|
|
|
749 if Cunit (U) = N then
|
|
|
750 return U;
|
|
|
751 end if;
|
|
|
752 end loop;
|
|
|
753
|
|
|
754 -- If not in the table, must be a spec created for a main unit that is a
|
|
|
755 -- child subprogram body which we have not inserted into the table yet.
|
|
|
756
|
|
|
757 if N = Library_Unit (Cunit (Main_Unit)) then
|
|
|
758 return Main_Unit;
|
|
|
759
|
|
|
760 -- If it is anything else, something is seriously wrong, and we really
|
|
|
761 -- don't want to proceed, even if assertions are off, so we explicitly
|
|
|
762 -- raise an exception in this case to terminate compilation.
|
|
|
763
|
|
|
764 else
|
|
|
765 raise Program_Error;
|
|
|
766 end if;
|
|
|
767 end Get_Cunit_Unit_Number;
|
|
|
768
|
|
|
769 ---------------------
|
|
|
770 -- Get_Source_Unit --
|
|
|
771 ---------------------
|
|
|
772
|
|
|
773 function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is
|
|
|
774 begin
|
|
|
775 return
|
|
|
776 Get_Code_Or_Source_Unit
|
|
|
777 (S => S,
|
|
|
778 Unwind_Instances => True,
|
|
|
779 Unwind_Subunits => False);
|
|
|
780 end Get_Source_Unit;
|
|
|
781
|
|
|
782 function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
|
|
|
783 begin
|
|
|
784 return Get_Source_Unit (Sloc (N));
|
|
|
785 end Get_Source_Unit;
|
|
|
786
|
|
|
787 -----------------------------
|
|
|
788 -- Get_Top_Level_Code_Unit --
|
|
|
789 -----------------------------
|
|
|
790
|
|
|
791 function Get_Top_Level_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
|
|
|
792 begin
|
|
|
793 return
|
|
|
794 Get_Code_Or_Source_Unit
|
|
|
795 (Top_Level_Location (S),
|
|
|
796 Unwind_Instances => False,
|
|
|
797 Unwind_Subunits => True);
|
|
|
798 end Get_Top_Level_Code_Unit;
|
|
|
799
|
|
|
800 function Get_Top_Level_Code_Unit
|
|
|
801 (N : Node_Or_Entity_Id) return Unit_Number_Type is
|
|
|
802 begin
|
|
|
803 return Get_Top_Level_Code_Unit (Sloc (N));
|
|
|
804 end Get_Top_Level_Code_Unit;
|
|
|
805
|
|
|
806 --------------------------------
|
|
|
807 -- In_Extended_Main_Code_Unit --
|
|
|
808 --------------------------------
|
|
|
809
|
|
|
810 function In_Extended_Main_Code_Unit
|
|
|
811 (N : Node_Or_Entity_Id) return Boolean
|
|
|
812 is
|
|
|
813 begin
|
|
|
814 if Sloc (N) = Standard_Location then
|
|
|
815 return False;
|
|
|
816
|
|
|
817 elsif Sloc (N) = No_Location then
|
|
|
818 return False;
|
|
|
819
|
|
|
820 -- Special case Itypes to test the Sloc of the associated node. The
|
|
|
821 -- reason we do this is for possible calls from gigi after -gnatD
|
|
|
822 -- processing is complete in sprint. This processing updates the
|
|
|
823 -- sloc fields of all nodes in the tree, but itypes are not in the
|
|
|
824 -- tree so their slocs do not get updated.
|
|
|
825
|
|
|
826 elsif Nkind (N) = N_Defining_Identifier
|
|
|
827 and then Is_Itype (N)
|
|
|
828 then
|
|
|
829 return In_Extended_Main_Code_Unit (Associated_Node_For_Itype (N));
|
|
|
830
|
|
|
831 -- Otherwise see if we are in the main unit
|
|
|
832
|
|
|
833 elsif Get_Code_Unit (Sloc (N)) = Get_Code_Unit (Cunit (Main_Unit)) then
|
|
|
834 return True;
|
|
|
835
|
|
|
836 -- Node may be in spec (or subunit etc) of main unit
|
|
|
837
|
|
|
838 else
|
|
|
839 return In_Same_Extended_Unit (N, Cunit (Main_Unit));
|
|
|
840 end if;
|
|
|
841 end In_Extended_Main_Code_Unit;
|
|
|
842
|
|
|
843 function In_Extended_Main_Code_Unit (Loc : Source_Ptr) return Boolean is
|
|
|
844 begin
|
|
|
845 if Loc = Standard_Location then
|
|
|
846 return False;
|
|
|
847
|
|
|
848 elsif Loc = No_Location then
|
|
|
849 return False;
|
|
|
850
|
|
|
851 -- Otherwise see if we are in the main unit
|
|
|
852
|
|
|
853 elsif Get_Code_Unit (Loc) = Get_Code_Unit (Cunit (Main_Unit)) then
|
|
|
854 return True;
|
|
|
855
|
|
|
856 -- Location may be in spec (or subunit etc) of main unit
|
|
|
857
|
|
|
858 else
|
|
|
859 return In_Same_Extended_Unit (Loc, Sloc (Cunit (Main_Unit)));
|
|
|
860 end if;
|
|
|
861 end In_Extended_Main_Code_Unit;
|
|
|
862
|
|
|
863 ----------------------------------
|
|
|
864 -- In_Extended_Main_Source_Unit --
|
|
|
865 ----------------------------------
|
|
|
866
|
|
|
867 function In_Extended_Main_Source_Unit
|
|
|
868 (N : Node_Or_Entity_Id) return Boolean
|
|
|
869 is
|
|
|
870 Nloc : constant Source_Ptr := Sloc (N);
|
|
|
871 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
|
|
|
872
|
|
|
873 begin
|
|
|
874 -- If parsing, then use the global flag to indicate result
|
|
|
875
|
|
|
876 if Compiler_State = Parsing then
|
|
|
877 return Parsing_Main_Extended_Source;
|
|
|
878
|
|
|
879 -- Special value cases
|
|
|
880
|
|
|
881 elsif Nloc = Standard_Location then
|
|
|
882 return False;
|
|
|
883
|
|
|
884 elsif Nloc = No_Location then
|
|
|
885 return False;
|
|
|
886
|
|
|
887 -- Special case Itypes to test the Sloc of the associated node. The
|
|
|
888 -- reason we do this is for possible calls from gigi after -gnatD
|
|
|
889 -- processing is complete in sprint. This processing updates the
|
|
|
890 -- sloc fields of all nodes in the tree, but itypes are not in the
|
|
|
891 -- tree so their slocs do not get updated.
|
|
|
892
|
|
|
893 elsif Nkind (N) = N_Defining_Identifier
|
|
|
894 and then Is_Itype (N)
|
|
|
895 then
|
|
|
896 return In_Extended_Main_Source_Unit (Associated_Node_For_Itype (N));
|
|
|
897
|
|
|
898 -- Otherwise compare original locations to see if in same unit
|
|
|
899
|
|
|
900 else
|
|
|
901 return
|
|
|
902 In_Same_Extended_Unit
|
|
|
903 (Original_Location (Nloc), Original_Location (Mloc));
|
|
|
904 end if;
|
|
|
905 end In_Extended_Main_Source_Unit;
|
|
|
906
|
|
|
907 function In_Extended_Main_Source_Unit
|
|
|
908 (Loc : Source_Ptr) return Boolean
|
|
|
909 is
|
|
|
910 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
|
|
|
911
|
|
|
912 begin
|
|
|
913 -- If parsing, then use the global flag to indicate result
|
|
|
914
|
|
|
915 if Compiler_State = Parsing then
|
|
|
916 return Parsing_Main_Extended_Source;
|
|
|
917
|
|
|
918 -- Special value cases
|
|
|
919
|
|
|
920 elsif Loc = Standard_Location then
|
|
|
921 return False;
|
|
|
922
|
|
|
923 elsif Loc = No_Location then
|
|
|
924 return False;
|
|
|
925
|
|
|
926 -- Otherwise compare original locations to see if in same unit
|
|
|
927
|
|
|
928 else
|
|
|
929 return
|
|
|
930 In_Same_Extended_Unit
|
|
|
931 (Original_Location (Loc), Original_Location (Mloc));
|
|
|
932 end if;
|
|
|
933 end In_Extended_Main_Source_Unit;
|
|
|
934
|
|
|
935 ----------------------
|
|
|
936 -- In_Internal_Unit --
|
|
|
937 ----------------------
|
|
|
938
|
|
|
939 function In_Internal_Unit (N : Node_Or_Entity_Id) return Boolean is
|
|
|
940 begin
|
|
|
941 return In_Internal_Unit (Sloc (N));
|
|
|
942 end In_Internal_Unit;
|
|
|
943
|
|
|
944 function In_Internal_Unit (S : Source_Ptr) return Boolean is
|
|
|
945 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
|
|
|
946 begin
|
|
|
947 return Is_Internal_Unit (Unit);
|
|
|
948 end In_Internal_Unit;
|
|
|
949
|
|
|
950 ----------------------------
|
|
|
951 -- In_Predefined_Renaming --
|
|
|
952 ----------------------------
|
|
|
953
|
|
|
954 function In_Predefined_Renaming (N : Node_Or_Entity_Id) return Boolean is
|
|
|
955 begin
|
|
|
956 return In_Predefined_Renaming (Sloc (N));
|
|
|
957 end In_Predefined_Renaming;
|
|
|
958
|
|
|
959 function In_Predefined_Renaming (S : Source_Ptr) return Boolean is
|
|
|
960 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
|
|
|
961 begin
|
|
|
962 return Is_Predefined_Renaming (Unit);
|
|
|
963 end In_Predefined_Renaming;
|
|
|
964
|
|
|
965 ------------------------
|
|
|
966 -- In_Predefined_Unit --
|
|
|
967 ------------------------
|
|
|
968
|
|
|
969 function In_Predefined_Unit (N : Node_Or_Entity_Id) return Boolean is
|
|
|
970 begin
|
|
|
971 return In_Predefined_Unit (Sloc (N));
|
|
|
972 end In_Predefined_Unit;
|
|
|
973
|
|
|
974 function In_Predefined_Unit (S : Source_Ptr) return Boolean is
|
|
|
975 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
|
|
|
976 begin
|
|
|
977 return Is_Predefined_Unit (Unit);
|
|
|
978 end In_Predefined_Unit;
|
|
|
979
|
|
|
980 -----------------------
|
|
|
981 -- In_Same_Code_Unit --
|
|
|
982 -----------------------
|
|
|
983
|
|
|
984 function In_Same_Code_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
|
|
|
985 S1 : constant Source_Ptr := Sloc (N1);
|
|
|
986 S2 : constant Source_Ptr := Sloc (N2);
|
|
|
987
|
|
|
988 begin
|
|
|
989 if S1 = No_Location or else S2 = No_Location then
|
|
|
990 return False;
|
|
|
991
|
|
|
992 elsif S1 = Standard_Location then
|
|
|
993 return S2 = Standard_Location;
|
|
|
994
|
|
|
995 elsif S2 = Standard_Location then
|
|
|
996 return False;
|
|
|
997 end if;
|
|
|
998
|
|
|
999 return Get_Code_Unit (N1) = Get_Code_Unit (N2);
|
|
|
1000 end In_Same_Code_Unit;
|
|
|
1001
|
|
|
1002 ---------------------------
|
|
|
1003 -- In_Same_Extended_Unit --
|
|
|
1004 ---------------------------
|
|
|
1005
|
|
|
1006 function In_Same_Extended_Unit
|
|
|
1007 (N1, N2 : Node_Or_Entity_Id) return Boolean
|
|
|
1008 is
|
|
|
1009 begin
|
|
|
1010 return Check_Same_Extended_Unit (Sloc (N1), Sloc (N2)) /= No;
|
|
|
1011 end In_Same_Extended_Unit;
|
|
|
1012
|
|
|
1013 function In_Same_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
|
|
|
1014 begin
|
|
|
1015 return Check_Same_Extended_Unit (S1, S2) /= No;
|
|
|
1016 end In_Same_Extended_Unit;
|
|
|
1017
|
|
|
1018 -------------------------
|
|
|
1019 -- In_Same_Source_Unit --
|
|
|
1020 -------------------------
|
|
|
1021
|
|
|
1022 function In_Same_Source_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
|
|
|
1023 S1 : constant Source_Ptr := Sloc (N1);
|
|
|
1024 S2 : constant Source_Ptr := Sloc (N2);
|
|
|
1025
|
|
|
1026 begin
|
|
|
1027 if S1 = No_Location or else S2 = No_Location then
|
|
|
1028 return False;
|
|
|
1029
|
|
|
1030 elsif S1 = Standard_Location then
|
|
|
1031 return S2 = Standard_Location;
|
|
|
1032
|
|
|
1033 elsif S2 = Standard_Location then
|
|
|
1034 return False;
|
|
|
1035 end if;
|
|
|
1036
|
|
|
1037 return Get_Source_Unit (N1) = Get_Source_Unit (N2);
|
|
|
1038 end In_Same_Source_Unit;
|
|
|
1039
|
|
|
1040 -----------------------------------
|
|
|
1041 -- Increment_Primary_Stack_Count --
|
|
|
1042 -----------------------------------
|
|
|
1043
|
|
|
1044 procedure Increment_Primary_Stack_Count (Increment : Int) is
|
|
|
1045 PSC : Int renames Units.Table (Current_Sem_Unit).Primary_Stack_Count;
|
|
|
1046 begin
|
|
|
1047 PSC := PSC + Increment;
|
|
|
1048 end Increment_Primary_Stack_Count;
|
|
|
1049
|
|
|
1050 -------------------------------
|
|
|
1051 -- Increment_Sec_Stack_Count --
|
|
|
1052 -------------------------------
|
|
|
1053
|
|
|
1054 procedure Increment_Sec_Stack_Count (Increment : Int) is
|
|
|
1055 SSC : Int renames Units.Table (Current_Sem_Unit).Sec_Stack_Count;
|
|
|
1056 begin
|
|
|
1057 SSC := SSC + Increment;
|
|
|
1058 end Increment_Sec_Stack_Count;
|
|
|
1059
|
|
|
1060 -----------------------------
|
|
|
1061 -- Increment_Serial_Number --
|
|
|
1062 -----------------------------
|
|
|
1063
|
|
|
1064 function Increment_Serial_Number return Nat is
|
|
|
1065 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
|
|
|
1066 begin
|
|
|
1067 TSN := TSN + 1;
|
|
|
1068 return TSN;
|
|
|
1069 end Increment_Serial_Number;
|
|
|
1070
|
|
|
1071 ----------------
|
|
|
1072 -- Initialize --
|
|
|
1073 ----------------
|
|
|
1074
|
|
|
1075 procedure Initialize is
|
|
|
1076 begin
|
|
|
1077 Linker_Option_Lines.Init;
|
|
|
1078 Notes.Init;
|
|
|
1079 Load_Stack.Init;
|
|
|
1080 Units.Init;
|
|
|
1081 Compilation_Switches.Init;
|
|
|
1082 end Initialize;
|
|
|
1083
|
|
|
1084 ---------------
|
|
|
1085 -- Is_Loaded --
|
|
|
1086 ---------------
|
|
|
1087
|
|
|
1088 function Is_Loaded (Uname : Unit_Name_Type) return Boolean is
|
|
|
1089 begin
|
|
|
1090 for Unum in Units.First .. Units.Last loop
|
|
|
1091 if Uname = Unit_Name (Unum) then
|
|
|
1092 return True;
|
|
|
1093 end if;
|
|
|
1094 end loop;
|
|
|
1095
|
|
|
1096 return False;
|
|
|
1097 end Is_Loaded;
|
|
|
1098
|
|
|
1099 ---------------
|
|
|
1100 -- Last_Unit --
|
|
|
1101 ---------------
|
|
|
1102
|
|
|
1103 function Last_Unit return Unit_Number_Type is
|
|
|
1104 begin
|
|
|
1105 return Units.Last;
|
|
|
1106 end Last_Unit;
|
|
|
1107
|
|
|
1108 ----------
|
|
|
1109 -- List --
|
|
|
1110 ----------
|
|
|
1111
|
|
|
1112 procedure List (File_Names_Only : Boolean := False) is separate;
|
|
|
1113
|
|
|
1114 ----------
|
|
|
1115 -- Lock --
|
|
|
1116 ----------
|
|
|
1117
|
|
|
1118 procedure Lock is
|
|
|
1119 begin
|
|
|
1120 Linker_Option_Lines.Release;
|
|
|
1121 Linker_Option_Lines.Locked := True;
|
|
|
1122 Load_Stack.Release;
|
|
|
1123 Load_Stack.Locked := True;
|
|
|
1124 Units.Release;
|
|
|
1125 Units.Locked := True;
|
|
|
1126 end Lock;
|
|
|
1127
|
|
|
1128 ---------------
|
|
|
1129 -- Num_Units --
|
|
|
1130 ---------------
|
|
|
1131
|
|
|
1132 function Num_Units return Nat is
|
|
|
1133 begin
|
|
|
1134 return Int (Units.Last) - Int (Main_Unit) + 1;
|
|
|
1135 end Num_Units;
|
|
|
1136
|
|
|
1137 -----------------
|
|
|
1138 -- Remove_Unit --
|
|
|
1139 -----------------
|
|
|
1140
|
|
|
1141 procedure Remove_Unit (U : Unit_Number_Type) is
|
|
|
1142 begin
|
|
|
1143 if U = Units.Last then
|
|
|
1144 Units.Decrement_Last;
|
|
|
1145 end if;
|
|
|
1146 end Remove_Unit;
|
|
|
1147
|
|
|
1148 ----------------------------------
|
|
|
1149 -- Replace_Linker_Option_String --
|
|
|
1150 ----------------------------------
|
|
|
1151
|
|
|
1152 procedure Replace_Linker_Option_String
|
|
|
1153 (S : String_Id; Match_String : String)
|
|
|
1154 is
|
|
|
1155 begin
|
|
|
1156 if Match_String'Length > 0 then
|
|
|
1157 for J in 1 .. Linker_Option_Lines.Last loop
|
|
|
1158 String_To_Name_Buffer (Linker_Option_Lines.Table (J).Option);
|
|
|
1159
|
|
|
1160 if Match_String = Name_Buffer (1 .. Match_String'Length) then
|
|
|
1161 Linker_Option_Lines.Table (J).Option := S;
|
|
|
1162 return;
|
|
|
1163 end if;
|
|
|
1164 end loop;
|
|
|
1165 end if;
|
|
|
1166
|
|
|
1167 Store_Linker_Option_String (S);
|
|
|
1168 end Replace_Linker_Option_String;
|
|
|
1169
|
|
|
1170 ----------
|
|
|
1171 -- Sort --
|
|
|
1172 ----------
|
|
|
1173
|
|
|
1174 procedure Sort (Tbl : in out Unit_Ref_Table) is separate;
|
|
|
1175
|
|
|
1176 ------------------------------
|
|
|
1177 -- Store_Compilation_Switch --
|
|
|
1178 ------------------------------
|
|
|
1179
|
|
|
1180 procedure Store_Compilation_Switch (Switch : String) is
|
|
|
1181 begin
|
|
|
1182 if Switch_Storing_Enabled then
|
|
|
1183 Compilation_Switches.Increment_Last;
|
|
|
1184 Compilation_Switches.Table (Compilation_Switches.Last) :=
|
|
|
1185 new String'(Switch);
|
|
|
1186
|
|
|
1187 -- Fix up --RTS flag which has been transformed by the gcc driver
|
|
|
1188 -- into -fRTS
|
|
|
1189
|
|
|
1190 if Switch'Last >= Switch'First + 4
|
|
|
1191 and then Switch (Switch'First .. Switch'First + 4) = "-fRTS"
|
|
|
1192 then
|
|
|
1193 Compilation_Switches.Table
|
|
|
1194 (Compilation_Switches.Last) (Switch'First + 1) := '-';
|
|
|
1195 end if;
|
|
|
1196 end if;
|
|
|
1197 end Store_Compilation_Switch;
|
|
|
1198
|
|
|
1199 --------------------------------
|
|
|
1200 -- Store_Linker_Option_String --
|
|
|
1201 --------------------------------
|
|
|
1202
|
|
|
1203 procedure Store_Linker_Option_String (S : String_Id) is
|
|
|
1204 begin
|
|
|
1205 Linker_Option_Lines.Append ((Option => S, Unit => Current_Sem_Unit));
|
|
|
1206 end Store_Linker_Option_String;
|
|
|
1207
|
|
|
1208 ----------------
|
|
|
1209 -- Store_Note --
|
|
|
1210 ----------------
|
|
|
1211
|
|
|
1212 procedure Store_Note (N : Node_Id) is
|
|
|
1213 Sfile : constant Source_File_Index := Get_Source_File_Index (Sloc (N));
|
|
|
1214
|
|
|
1215 begin
|
|
|
1216 -- Notes for a generic are emitted when processing the template, never
|
|
|
1217 -- in instances.
|
|
|
1218
|
|
|
1219 if In_Extended_Main_Code_Unit (N)
|
|
|
1220 and then Instance (Sfile) = No_Instance_Id
|
|
|
1221 then
|
|
|
1222 Notes.Append (N);
|
|
|
1223 end if;
|
|
|
1224 end Store_Note;
|
|
|
1225
|
|
|
1226 -------------------------------
|
|
|
1227 -- Synchronize_Serial_Number --
|
|
|
1228 -------------------------------
|
|
|
1229
|
|
|
1230 procedure Synchronize_Serial_Number is
|
|
|
1231 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
|
|
|
1232 begin
|
|
|
1233 TSN := TSN + 1;
|
|
|
1234 end Synchronize_Serial_Number;
|
|
|
1235
|
|
|
1236 ---------------
|
|
|
1237 -- Tree_Read --
|
|
|
1238 ---------------
|
|
|
1239
|
|
|
1240 procedure Tree_Read is
|
|
|
1241 N : Nat;
|
|
|
1242 S : String_Ptr;
|
|
|
1243
|
|
|
1244 begin
|
|
|
1245 Units.Tree_Read;
|
|
|
1246
|
|
|
1247 -- Read Compilation_Switches table. First release the memory occupied
|
|
|
1248 -- by the previously loaded switches.
|
|
|
1249
|
|
|
1250 for J in Compilation_Switches.First .. Compilation_Switches.Last loop
|
|
|
1251 Free (Compilation_Switches.Table (J));
|
|
|
1252 end loop;
|
|
|
1253
|
|
|
1254 Tree_Read_Int (N);
|
|
|
1255 Compilation_Switches.Set_Last (N);
|
|
|
1256
|
|
|
1257 for J in 1 .. N loop
|
|
|
1258 Tree_Read_Str (S);
|
|
|
1259 Compilation_Switches.Table (J) := S;
|
|
|
1260 end loop;
|
|
|
1261 end Tree_Read;
|
|
|
1262
|
|
|
1263 ----------------
|
|
|
1264 -- Tree_Write --
|
|
|
1265 ----------------
|
|
|
1266
|
|
|
1267 procedure Tree_Write is
|
|
|
1268 begin
|
|
|
1269 Units.Tree_Write;
|
|
|
1270
|
|
|
1271 -- Write Compilation_Switches table
|
|
|
1272
|
|
|
1273 Tree_Write_Int (Compilation_Switches.Last);
|
|
|
1274
|
|
|
1275 for J in 1 .. Compilation_Switches.Last loop
|
|
|
1276 Tree_Write_Str (Compilation_Switches.Table (J));
|
|
|
1277 end loop;
|
|
|
1278 end Tree_Write;
|
|
|
1279
|
|
|
1280 ------------
|
|
|
1281 -- Unlock --
|
|
|
1282 ------------
|
|
|
1283
|
|
|
1284 procedure Unlock is
|
|
|
1285 begin
|
|
|
1286 Linker_Option_Lines.Locked := False;
|
|
|
1287 Load_Stack.Locked := False;
|
|
|
1288 Units.Locked := False;
|
|
|
1289 end Unlock;
|
|
|
1290
|
|
|
1291 -----------------
|
|
|
1292 -- Version_Get --
|
|
|
1293 -----------------
|
|
|
1294
|
|
|
1295 function Version_Get (U : Unit_Number_Type) return Word_Hex_String is
|
|
|
1296 begin
|
|
|
1297 return Get_Hex_String (Units.Table (U).Version);
|
|
|
1298 end Version_Get;
|
|
|
1299
|
|
|
1300 ------------------------
|
|
|
1301 -- Version_Referenced --
|
|
|
1302 ------------------------
|
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1303
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1304 procedure Version_Referenced (S : String_Id) is
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1305 begin
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1306 Version_Ref.Append (S);
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1307 end Version_Referenced;
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1308
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1309 ---------------------
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1310 -- Write_Unit_Info --
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1311 ---------------------
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1312
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1313 procedure Write_Unit_Info
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1314 (Unit_Num : Unit_Number_Type;
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1315 Item : Node_Id;
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1316 Prefix : String := "";
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1317 Withs : Boolean := False)
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1318 is
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1319 begin
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1320 Write_Str (Prefix);
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1321 Write_Unit_Name (Unit_Name (Unit_Num));
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1322 Write_Str (", unit ");
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1323 Write_Int (Int (Unit_Num));
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1324 Write_Str (", ");
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1325 Write_Int (Int (Item));
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1326 Write_Str ("=");
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1327 Write_Str (Node_Kind'Image (Nkind (Item)));
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1328
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131
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1329 if Is_Rewrite_Substitution (Item) then
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111
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1330 Write_Str (", orig = ");
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1331 Write_Int (Int (Original_Node (Item)));
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1332 Write_Str ("=");
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1333 Write_Str (Node_Kind'Image (Nkind (Original_Node (Item))));
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1334 end if;
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1335
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1336 Write_Eol;
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1337
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1338 -- Skip the rest if we're not supposed to print the withs
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1339
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1340 if not Withs then
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1341 return;
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1342 end if;
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1343
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1344 declare
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1345 Context_Item : Node_Id;
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1346
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1347 begin
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1348 Context_Item := First (Context_Items (Cunit (Unit_Num)));
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1349 while Present (Context_Item)
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1350 and then (Nkind (Context_Item) /= N_With_Clause
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1351 or else Limited_Present (Context_Item))
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1352 loop
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1353 Context_Item := Next (Context_Item);
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1354 end loop;
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1355
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1356 if Present (Context_Item) then
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1357 Indent;
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1358 Write_Line ("withs:");
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1359 Indent;
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1360
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1361 while Present (Context_Item) loop
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1362 if Nkind (Context_Item) = N_With_Clause
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1363 and then not Limited_Present (Context_Item)
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1364 then
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1365 pragma Assert (Present (Library_Unit (Context_Item)));
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1366 Write_Unit_Name
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1367 (Unit_Name
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1368 (Get_Cunit_Unit_Number (Library_Unit (Context_Item))));
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1369
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1370 if Implicit_With (Context_Item) then
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1371 Write_Str (" -- implicit");
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1372 end if;
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1373
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1374 Write_Eol;
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1375 end if;
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1376
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1377 Context_Item := Next (Context_Item);
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1378 end loop;
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1379
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1380 Outdent;
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1381 Write_Line ("end withs");
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1382 Outdent;
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1383 end if;
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1384 end;
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1385 end Write_Unit_Info;
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1386
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1387 end Lib;
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