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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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145
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9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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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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145
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280 Old_N : constant Unit_Name_Type := Units.Table (U).Unit_Name;
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281
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111
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282 begin
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145
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283 -- First unregister the old name, if any
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284
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285 if Old_N /= No_Unit_Name and then Unit_Names.Get (Old_N) = U then
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286 Unit_Names.Set (Old_N, No_Unit);
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287 end if;
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288
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289 -- Then set the new name
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290
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111
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291 Units.Table (U).Unit_Name := N;
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145
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292
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293 -- Finally register the new name
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294
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295 if Unit_Names.Get (N) = No_Unit then
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296 Unit_Names.Set (N, U);
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297 end if;
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111
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298 end Set_Unit_Name;
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299
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300 ------------------------------
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301 -- Check_Same_Extended_Unit --
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302 ------------------------------
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303
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304 function Check_Same_Extended_Unit
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305 (S1 : Source_Ptr;
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306 S2 : Source_Ptr) return SEU_Result
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307 is
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308 Max_Iterations : constant Nat := Maximum_Instantiations * 2;
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309 -- Limit to prevent a potential infinite loop
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310
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311 Counter : Nat := 0;
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312 Depth1 : Nat;
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313 Depth2 : Nat;
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314 Inst1 : Source_Ptr;
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315 Inst2 : Source_Ptr;
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316 Sind1 : Source_File_Index;
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317 Sind2 : Source_File_Index;
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318 Sloc1 : Source_Ptr;
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319 Sloc2 : Source_Ptr;
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320 Unit1 : Node_Id;
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321 Unit2 : Node_Id;
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322 Unum1 : Unit_Number_Type;
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323 Unum2 : Unit_Number_Type;
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324
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325 begin
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326 if S1 = No_Location or else S2 = No_Location then
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327 return No;
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328
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329 elsif S1 = Standard_Location then
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330 if S2 = Standard_Location then
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331 return Yes_Same;
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332 else
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333 return No;
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334 end if;
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335
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336 elsif S2 = Standard_Location then
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337 return No;
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338 end if;
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339
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340 Sloc1 := S1;
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341 Sloc2 := S2;
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342
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343 Unum1 := Get_Source_Unit (Sloc1);
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344 Unum2 := Get_Source_Unit (Sloc2);
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345
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346 loop
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347 -- Step 1: Check whether the two locations are in the same source
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348 -- file.
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349
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350 Sind1 := Get_Source_File_Index (Sloc1);
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351 Sind2 := Get_Source_File_Index (Sloc2);
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352
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353 if Sind1 = Sind2 then
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354 if Sloc1 < Sloc2 then
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355 return Yes_Before;
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356 elsif Sloc1 > Sloc2 then
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357 return Yes_After;
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358 else
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359 return Yes_Same;
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360 end if;
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361 end if;
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362
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363 -- Step 2: Check subunits. If a subunit is instantiated, follow the
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364 -- instantiation chain rather than the stub chain.
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365
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366 Unit1 := Unit (Cunit (Unum1));
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367 Unit2 := Unit (Cunit (Unum2));
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368 Inst1 := Instantiation (Sind1);
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369 Inst2 := Instantiation (Sind2);
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370
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371 if Nkind (Unit1) = N_Subunit
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372 and then Present (Corresponding_Stub (Unit1))
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373 and then Inst1 = No_Location
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374 then
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375 if Nkind (Unit2) = N_Subunit
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376 and then Present (Corresponding_Stub (Unit2))
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377 and then Inst2 = No_Location
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378 then
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379 -- Both locations refer to subunits which may have a common
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380 -- ancestor. If they do, the deeper subunit must have a longer
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381 -- unit name. Replace the deeper one with its corresponding
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382 -- stub in order to find the nearest ancestor.
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383
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384 if Length_Of_Name (Unit_Name (Unum1)) <
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385 Length_Of_Name (Unit_Name (Unum2))
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386 then
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387 Sloc2 := Sloc (Corresponding_Stub (Unit2));
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388 Unum2 := Get_Source_Unit (Sloc2);
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389 goto Continue;
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390
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391 else
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392 Sloc1 := Sloc (Corresponding_Stub (Unit1));
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393 Unum1 := Get_Source_Unit (Sloc1);
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394 goto Continue;
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395 end if;
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396
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397 -- Sloc1 in subunit, Sloc2 not
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398
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399 else
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400 Sloc1 := Sloc (Corresponding_Stub (Unit1));
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401 Unum1 := Get_Source_Unit (Sloc1);
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402 goto Continue;
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403 end if;
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404
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405 -- Sloc2 in subunit, Sloc1 not
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406
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407 elsif Nkind (Unit2) = N_Subunit
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408 and then Present (Corresponding_Stub (Unit2))
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409 and then Inst2 = No_Location
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410 then
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411 Sloc2 := Sloc (Corresponding_Stub (Unit2));
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412 Unum2 := Get_Source_Unit (Sloc2);
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413 goto Continue;
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414 end if;
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415
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|
416 -- Step 3: Check instances. The two locations may yield a common
|
|
|
417 -- ancestor.
|
|
|
418
|
|
|
419 if Inst1 /= No_Location then
|
|
|
420 if Inst2 /= No_Location then
|
|
|
421
|
|
|
422 -- Both locations denote instantiations
|
|
|
423
|
|
|
424 Depth1 := Instantiation_Depth (Sloc1);
|
|
|
425 Depth2 := Instantiation_Depth (Sloc2);
|
|
|
426
|
|
|
427 if Depth1 < Depth2 then
|
|
|
428 Sloc2 := Inst2;
|
|
|
429 Unum2 := Get_Source_Unit (Sloc2);
|
|
|
430 goto Continue;
|
|
|
431
|
|
|
432 elsif Depth1 > Depth2 then
|
|
|
433 Sloc1 := Inst1;
|
|
|
434 Unum1 := Get_Source_Unit (Sloc1);
|
|
|
435 goto Continue;
|
|
|
436
|
|
|
437 else
|
|
|
438 Sloc1 := Inst1;
|
|
|
439 Sloc2 := Inst2;
|
|
|
440 Unum1 := Get_Source_Unit (Sloc1);
|
|
|
441 Unum2 := Get_Source_Unit (Sloc2);
|
|
|
442 goto Continue;
|
|
|
443 end if;
|
|
|
444
|
|
|
445 -- Sloc1 is an instantiation
|
|
|
446
|
|
|
447 else
|
|
|
448 Sloc1 := Inst1;
|
|
|
449 Unum1 := Get_Source_Unit (Sloc1);
|
|
|
450 goto Continue;
|
|
|
451 end if;
|
|
|
452
|
|
|
453 -- Sloc2 is an instantiation
|
|
|
454
|
|
|
455 elsif Inst2 /= No_Location then
|
|
|
456 Sloc2 := Inst2;
|
|
|
457 Unum2 := Get_Source_Unit (Sloc2);
|
|
|
458 goto Continue;
|
|
|
459 end if;
|
|
|
460
|
|
|
461 -- Step 4: One location in the spec, the other in the corresponding
|
|
|
462 -- body of the same unit. The location in the spec is considered
|
|
|
463 -- earlier.
|
|
|
464
|
|
|
465 if Nkind (Unit1) = N_Subprogram_Body
|
|
|
466 or else
|
|
|
467 Nkind (Unit1) = N_Package_Body
|
|
|
468 then
|
|
|
469 if Library_Unit (Cunit (Unum1)) = Cunit (Unum2) then
|
|
|
470 return Yes_After;
|
|
|
471 end if;
|
|
|
472
|
|
|
473 elsif Nkind (Unit2) = N_Subprogram_Body
|
|
|
474 or else
|
|
|
475 Nkind (Unit2) = N_Package_Body
|
|
|
476 then
|
|
|
477 if Library_Unit (Cunit (Unum2)) = Cunit (Unum1) then
|
|
|
478 return Yes_Before;
|
|
|
479 end if;
|
|
|
480 end if;
|
|
|
481
|
|
|
482 -- At this point it is certain that the two locations denote two
|
|
|
483 -- entirely separate units.
|
|
|
484
|
|
|
485 return No;
|
|
|
486
|
|
|
487 <<Continue>>
|
|
|
488 Counter := Counter + 1;
|
|
|
489
|
|
|
490 -- Prevent looping forever
|
|
|
491
|
|
|
492 if Counter > Max_Iterations then
|
|
|
493
|
|
|
494 -- ??? Not quite right, but return a value to be able to generate
|
|
|
495 -- SCIL files and hope for the best.
|
|
|
496
|
|
|
497 if CodePeer_Mode then
|
|
|
498 return No;
|
|
|
499 else
|
|
|
500 raise Program_Error;
|
|
|
501 end if;
|
|
|
502 end if;
|
|
|
503 end loop;
|
|
|
504 end Check_Same_Extended_Unit;
|
|
|
505
|
|
|
506 -------------------------------
|
|
|
507 -- Compilation_Switches_Last --
|
|
|
508 -------------------------------
|
|
|
509
|
|
|
510 function Compilation_Switches_Last return Nat is
|
|
|
511 begin
|
|
|
512 return Compilation_Switches.Last;
|
|
|
513 end Compilation_Switches_Last;
|
|
|
514
|
|
|
515 ---------------------------
|
|
|
516 -- Enable_Switch_Storing --
|
|
|
517 ---------------------------
|
|
|
518
|
|
|
519 procedure Enable_Switch_Storing is
|
|
|
520 begin
|
|
|
521 Switch_Storing_Enabled := True;
|
|
|
522 end Enable_Switch_Storing;
|
|
|
523
|
|
|
524 ----------------------------
|
|
|
525 -- Disable_Switch_Storing --
|
|
|
526 ----------------------------
|
|
|
527
|
|
|
528 procedure Disable_Switch_Storing is
|
|
|
529 begin
|
|
|
530 Switch_Storing_Enabled := False;
|
|
|
531 end Disable_Switch_Storing;
|
|
|
532
|
|
|
533 ------------------------------
|
|
|
534 -- Earlier_In_Extended_Unit --
|
|
|
535 ------------------------------
|
|
|
536
|
|
|
537 function Earlier_In_Extended_Unit
|
|
|
538 (S1 : Source_Ptr;
|
|
|
539 S2 : Source_Ptr) return Boolean
|
|
|
540 is
|
|
|
541 begin
|
|
|
542 return Check_Same_Extended_Unit (S1, S2) = Yes_Before;
|
|
|
543 end Earlier_In_Extended_Unit;
|
|
|
544
|
|
|
545 function Earlier_In_Extended_Unit
|
|
|
546 (N1 : Node_Or_Entity_Id;
|
|
|
547 N2 : Node_Or_Entity_Id) return Boolean
|
|
|
548 is
|
|
|
549 begin
|
|
|
550 return Earlier_In_Extended_Unit (Sloc (N1), Sloc (N2));
|
|
|
551 end Earlier_In_Extended_Unit;
|
|
|
552
|
|
|
553 -----------------------
|
|
|
554 -- Exact_Source_Name --
|
|
|
555 -----------------------
|
|
|
556
|
|
|
557 function Exact_Source_Name (Loc : Source_Ptr) return String is
|
|
|
558 U : constant Unit_Number_Type := Get_Source_Unit (Loc);
|
|
|
559 Buf : constant Source_Buffer_Ptr := Source_Text (Source_Index (U));
|
|
|
560 Orig : constant Source_Ptr := Original_Location (Loc);
|
|
|
561 P : Source_Ptr;
|
|
|
562
|
|
|
563 WC : Char_Code;
|
|
|
564 Err : Boolean;
|
|
|
565 pragma Warnings (Off, WC);
|
|
|
566 pragma Warnings (Off, Err);
|
|
|
567
|
|
|
568 begin
|
|
|
569 -- Entity is character literal
|
|
|
570
|
|
|
571 if Buf (Orig) = ''' then
|
|
|
572 return String (Buf (Orig .. Orig + 2));
|
|
|
573
|
|
|
574 -- Entity is operator symbol
|
|
|
575
|
|
|
576 elsif Buf (Orig) = '"' or else Buf (Orig) = '%' then
|
|
|
577 P := Orig;
|
|
|
578
|
|
|
579 loop
|
|
|
580 P := P + 1;
|
|
|
581 exit when Buf (P) = Buf (Orig);
|
|
|
582 end loop;
|
|
|
583
|
|
|
584 return String (Buf (Orig .. P));
|
|
|
585
|
|
|
586 -- Entity is identifier
|
|
|
587
|
|
|
588 else
|
|
|
589 P := Orig;
|
|
|
590
|
|
|
591 loop
|
|
|
592 if Is_Start_Of_Wide_Char (Buf, P) then
|
|
|
593 Scan_Wide (Buf, P, WC, Err);
|
|
|
594 elsif not Identifier_Char (Buf (P)) then
|
|
|
595 exit;
|
|
|
596 else
|
|
|
597 P := P + 1;
|
|
|
598 end if;
|
|
|
599 end loop;
|
|
|
600
|
|
|
601 -- Write out the identifier by copying the exact source characters
|
|
|
602 -- used in its declaration. Note that this means wide characters will
|
|
|
603 -- be in their original encoded form.
|
|
|
604
|
|
|
605 return String (Buf (Orig .. P - 1));
|
|
|
606 end if;
|
|
|
607 end Exact_Source_Name;
|
|
|
608
|
|
|
609 ----------------------------
|
|
|
610 -- Entity_Is_In_Main_Unit --
|
|
|
611 ----------------------------
|
|
|
612
|
|
|
613 function Entity_Is_In_Main_Unit (E : Entity_Id) return Boolean is
|
|
|
614 S : Entity_Id;
|
|
|
615
|
|
|
616 begin
|
|
|
617 S := Scope (E);
|
|
|
618
|
|
|
619 while S /= Standard_Standard loop
|
|
|
620 if S = Main_Unit_Entity then
|
|
|
621 return True;
|
|
|
622 elsif Ekind (S) = E_Package and then Is_Child_Unit (S) then
|
|
|
623 return False;
|
|
|
624 else
|
|
|
625 S := Scope (S);
|
|
|
626 end if;
|
|
|
627 end loop;
|
|
|
628
|
|
|
629 return False;
|
|
|
630 end Entity_Is_In_Main_Unit;
|
|
|
631
|
|
|
632 --------------------------
|
|
|
633 -- Generic_May_Lack_ALI --
|
|
|
634 --------------------------
|
|
|
635
|
|
|
636 function Generic_May_Lack_ALI (Unum : Unit_Number_Type) return Boolean is
|
|
|
637 begin
|
|
|
638 -- We allow internal generic units to be used without having a
|
|
|
639 -- corresponding ALI files to help bootstrapping with older compilers
|
|
|
640 -- that did not support generating ALIs for such generics. It is safe
|
|
|
641 -- to do so because the only thing the generated code would contain
|
|
|
642 -- is the elaboration boolean, and we are careful to elaborate all
|
|
|
643 -- predefined units first anyway.
|
|
|
644
|
|
|
645 return Is_Internal_Unit (Unum);
|
|
|
646 end Generic_May_Lack_ALI;
|
|
|
647
|
|
|
648 -----------------------------
|
|
|
649 -- Get_Code_Or_Source_Unit --
|
|
|
650 -----------------------------
|
|
|
651
|
|
|
652 function Get_Code_Or_Source_Unit
|
|
|
653 (S : Source_Ptr;
|
|
|
654 Unwind_Instances : Boolean;
|
|
|
655 Unwind_Subunits : Boolean) return Unit_Number_Type
|
|
|
656 is
|
|
|
657 begin
|
|
|
658 -- Search table unless we have No_Location, which can happen if the
|
|
|
659 -- relevant location has not been set yet. Happens for example when
|
|
|
660 -- we obtain Sloc (Cunit (Main_Unit)) before it is set.
|
|
|
661
|
|
|
662 if S /= No_Location then
|
|
|
663 declare
|
|
|
664 Source_File : Source_File_Index;
|
|
|
665 Source_Unit : Unit_Number_Type;
|
|
|
666 Unit_Node : Node_Id;
|
|
|
667
|
|
|
668 begin
|
|
|
669 Source_File := Get_Source_File_Index (S);
|
|
|
670
|
|
|
671 if Unwind_Instances then
|
|
|
672 while Template (Source_File) > No_Source_File loop
|
|
|
673 Source_File := Template (Source_File);
|
|
|
674 end loop;
|
|
|
675 end if;
|
|
|
676
|
|
|
677 Source_Unit := Unit (Source_File);
|
|
|
678
|
|
|
679 if Unwind_Subunits then
|
|
|
680 Unit_Node := Unit (Cunit (Source_Unit));
|
|
|
681
|
|
|
682 while Nkind (Unit_Node) = N_Subunit
|
|
|
683 and then Present (Corresponding_Stub (Unit_Node))
|
|
|
684 loop
|
|
|
685 Source_Unit :=
|
|
|
686 Get_Code_Or_Source_Unit
|
|
|
687 (Sloc (Corresponding_Stub (Unit_Node)),
|
|
|
688 Unwind_Instances => Unwind_Instances,
|
|
|
689 Unwind_Subunits => Unwind_Subunits);
|
|
|
690 Unit_Node := Unit (Cunit (Source_Unit));
|
|
|
691 end loop;
|
|
|
692 end if;
|
|
|
693
|
|
|
694 if Source_Unit /= No_Unit then
|
|
|
695 return Source_Unit;
|
|
|
696 end if;
|
|
|
697 end;
|
|
|
698 end if;
|
|
|
699
|
|
|
700 -- If S was No_Location, or was not in the table, we must be in the main
|
|
|
701 -- source unit (and the value has not been placed in the table yet),
|
|
|
702 -- or in one of the configuration pragma files.
|
|
|
703
|
|
|
704 return Main_Unit;
|
|
|
705 end Get_Code_Or_Source_Unit;
|
|
|
706
|
|
|
707 -------------------
|
|
|
708 -- Get_Code_Unit --
|
|
|
709 -------------------
|
|
|
710
|
|
|
711 function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
|
|
|
712 begin
|
|
|
713 return
|
|
|
714 Get_Code_Or_Source_Unit
|
|
|
715 (Top_Level_Location (S),
|
|
|
716 Unwind_Instances => False,
|
|
|
717 Unwind_Subunits => False);
|
|
|
718 end Get_Code_Unit;
|
|
|
719
|
|
|
720 function Get_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
|
|
|
721 begin
|
|
|
722 return Get_Code_Unit (Sloc (N));
|
|
|
723 end Get_Code_Unit;
|
|
|
724
|
|
|
725 ----------------------------
|
|
|
726 -- Get_Compilation_Switch --
|
|
|
727 ----------------------------
|
|
|
728
|
|
|
729 function Get_Compilation_Switch (N : Pos) return String_Ptr is
|
|
|
730 begin
|
|
|
731 if N <= Compilation_Switches.Last then
|
|
|
732 return Compilation_Switches.Table (N);
|
|
|
733 else
|
|
|
734 return null;
|
|
|
735 end if;
|
|
|
736 end Get_Compilation_Switch;
|
|
|
737
|
|
|
738 ----------------------------------
|
|
|
739 -- Get_Cunit_Entity_Unit_Number --
|
|
|
740 ----------------------------------
|
|
|
741
|
|
|
742 function Get_Cunit_Entity_Unit_Number
|
|
|
743 (E : Entity_Id) return Unit_Number_Type
|
|
|
744 is
|
|
|
745 begin
|
|
|
746 for U in Units.First .. Units.Last loop
|
|
|
747 if Cunit_Entity (U) = E then
|
|
|
748 return U;
|
|
|
749 end if;
|
|
|
750 end loop;
|
|
|
751
|
|
|
752 -- If not in the table, must be the main source unit, and we just
|
|
|
753 -- have not got it put into the table yet.
|
|
|
754
|
|
|
755 return Main_Unit;
|
|
|
756 end Get_Cunit_Entity_Unit_Number;
|
|
|
757
|
|
|
758 ---------------------------
|
|
|
759 -- Get_Cunit_Unit_Number --
|
|
|
760 ---------------------------
|
|
|
761
|
|
|
762 function Get_Cunit_Unit_Number (N : Node_Id) return Unit_Number_Type is
|
|
|
763 begin
|
|
|
764 for U in Units.First .. Units.Last loop
|
|
|
765 if Cunit (U) = N then
|
|
|
766 return U;
|
|
|
767 end if;
|
|
|
768 end loop;
|
|
|
769
|
|
|
770 -- If not in the table, must be a spec created for a main unit that is a
|
|
|
771 -- child subprogram body which we have not inserted into the table yet.
|
|
|
772
|
|
|
773 if N = Library_Unit (Cunit (Main_Unit)) then
|
|
|
774 return Main_Unit;
|
|
|
775
|
|
|
776 -- If it is anything else, something is seriously wrong, and we really
|
|
|
777 -- don't want to proceed, even if assertions are off, so we explicitly
|
|
|
778 -- raise an exception in this case to terminate compilation.
|
|
|
779
|
|
|
780 else
|
|
|
781 raise Program_Error;
|
|
|
782 end if;
|
|
|
783 end Get_Cunit_Unit_Number;
|
|
|
784
|
|
|
785 ---------------------
|
|
|
786 -- Get_Source_Unit --
|
|
|
787 ---------------------
|
|
|
788
|
|
|
789 function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is
|
|
|
790 begin
|
|
|
791 return
|
|
|
792 Get_Code_Or_Source_Unit
|
|
|
793 (S => S,
|
|
|
794 Unwind_Instances => True,
|
|
|
795 Unwind_Subunits => False);
|
|
|
796 end Get_Source_Unit;
|
|
|
797
|
|
|
798 function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
|
|
|
799 begin
|
|
|
800 return Get_Source_Unit (Sloc (N));
|
|
|
801 end Get_Source_Unit;
|
|
|
802
|
|
|
803 -----------------------------
|
|
|
804 -- Get_Top_Level_Code_Unit --
|
|
|
805 -----------------------------
|
|
|
806
|
|
|
807 function Get_Top_Level_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
|
|
|
808 begin
|
|
|
809 return
|
|
|
810 Get_Code_Or_Source_Unit
|
|
|
811 (Top_Level_Location (S),
|
|
|
812 Unwind_Instances => False,
|
|
|
813 Unwind_Subunits => True);
|
|
|
814 end Get_Top_Level_Code_Unit;
|
|
|
815
|
|
|
816 function Get_Top_Level_Code_Unit
|
|
|
817 (N : Node_Or_Entity_Id) return Unit_Number_Type is
|
|
|
818 begin
|
|
|
819 return Get_Top_Level_Code_Unit (Sloc (N));
|
|
|
820 end Get_Top_Level_Code_Unit;
|
|
|
821
|
|
|
822 --------------------------------
|
|
|
823 -- In_Extended_Main_Code_Unit --
|
|
|
824 --------------------------------
|
|
|
825
|
|
|
826 function In_Extended_Main_Code_Unit
|
|
|
827 (N : Node_Or_Entity_Id) return Boolean
|
|
|
828 is
|
|
|
829 begin
|
|
|
830 if Sloc (N) = Standard_Location then
|
|
|
831 return False;
|
|
|
832
|
|
|
833 elsif Sloc (N) = No_Location then
|
|
|
834 return False;
|
|
|
835
|
|
|
836 -- Special case Itypes to test the Sloc of the associated node. The
|
|
|
837 -- reason we do this is for possible calls from gigi after -gnatD
|
|
|
838 -- processing is complete in sprint. This processing updates the
|
|
|
839 -- sloc fields of all nodes in the tree, but itypes are not in the
|
|
|
840 -- tree so their slocs do not get updated.
|
|
|
841
|
|
|
842 elsif Nkind (N) = N_Defining_Identifier
|
|
|
843 and then Is_Itype (N)
|
|
|
844 then
|
|
|
845 return In_Extended_Main_Code_Unit (Associated_Node_For_Itype (N));
|
|
|
846
|
|
|
847 -- Otherwise see if we are in the main unit
|
|
|
848
|
|
|
849 elsif Get_Code_Unit (Sloc (N)) = Get_Code_Unit (Cunit (Main_Unit)) then
|
|
|
850 return True;
|
|
|
851
|
|
|
852 -- Node may be in spec (or subunit etc) of main unit
|
|
|
853
|
|
|
854 else
|
|
|
855 return In_Same_Extended_Unit (N, Cunit (Main_Unit));
|
|
|
856 end if;
|
|
|
857 end In_Extended_Main_Code_Unit;
|
|
|
858
|
|
|
859 function In_Extended_Main_Code_Unit (Loc : Source_Ptr) return Boolean is
|
|
|
860 begin
|
|
|
861 if Loc = Standard_Location then
|
|
|
862 return False;
|
|
|
863
|
|
|
864 elsif Loc = No_Location then
|
|
|
865 return False;
|
|
|
866
|
|
|
867 -- Otherwise see if we are in the main unit
|
|
|
868
|
|
|
869 elsif Get_Code_Unit (Loc) = Get_Code_Unit (Cunit (Main_Unit)) then
|
|
|
870 return True;
|
|
|
871
|
|
|
872 -- Location may be in spec (or subunit etc) of main unit
|
|
|
873
|
|
|
874 else
|
|
|
875 return In_Same_Extended_Unit (Loc, Sloc (Cunit (Main_Unit)));
|
|
|
876 end if;
|
|
|
877 end In_Extended_Main_Code_Unit;
|
|
|
878
|
|
|
879 ----------------------------------
|
|
|
880 -- In_Extended_Main_Source_Unit --
|
|
|
881 ----------------------------------
|
|
|
882
|
|
|
883 function In_Extended_Main_Source_Unit
|
|
|
884 (N : Node_Or_Entity_Id) return Boolean
|
|
|
885 is
|
|
|
886 Nloc : constant Source_Ptr := Sloc (N);
|
|
|
887 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
|
|
|
888
|
|
|
889 begin
|
|
|
890 -- If parsing, then use the global flag to indicate result
|
|
|
891
|
|
|
892 if Compiler_State = Parsing then
|
|
|
893 return Parsing_Main_Extended_Source;
|
|
|
894
|
|
|
895 -- Special value cases
|
|
|
896
|
|
|
897 elsif Nloc = Standard_Location then
|
|
|
898 return False;
|
|
|
899
|
|
|
900 elsif Nloc = No_Location then
|
|
|
901 return False;
|
|
|
902
|
|
|
903 -- Special case Itypes to test the Sloc of the associated node. The
|
|
|
904 -- reason we do this is for possible calls from gigi after -gnatD
|
|
|
905 -- processing is complete in sprint. This processing updates the
|
|
|
906 -- sloc fields of all nodes in the tree, but itypes are not in the
|
|
|
907 -- tree so their slocs do not get updated.
|
|
|
908
|
|
|
909 elsif Nkind (N) = N_Defining_Identifier
|
|
|
910 and then Is_Itype (N)
|
|
|
911 then
|
|
|
912 return In_Extended_Main_Source_Unit (Associated_Node_For_Itype (N));
|
|
|
913
|
|
|
914 -- Otherwise compare original locations to see if in same unit
|
|
|
915
|
|
|
916 else
|
|
|
917 return
|
|
|
918 In_Same_Extended_Unit
|
|
|
919 (Original_Location (Nloc), Original_Location (Mloc));
|
|
|
920 end if;
|
|
|
921 end In_Extended_Main_Source_Unit;
|
|
|
922
|
|
|
923 function In_Extended_Main_Source_Unit
|
|
|
924 (Loc : Source_Ptr) return Boolean
|
|
|
925 is
|
|
|
926 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
|
|
|
927
|
|
|
928 begin
|
|
|
929 -- If parsing, then use the global flag to indicate result
|
|
|
930
|
|
|
931 if Compiler_State = Parsing then
|
|
|
932 return Parsing_Main_Extended_Source;
|
|
|
933
|
|
|
934 -- Special value cases
|
|
|
935
|
|
|
936 elsif Loc = Standard_Location then
|
|
|
937 return False;
|
|
|
938
|
|
|
939 elsif Loc = No_Location then
|
|
|
940 return False;
|
|
|
941
|
|
|
942 -- Otherwise compare original locations to see if in same unit
|
|
|
943
|
|
|
944 else
|
|
|
945 return
|
|
|
946 In_Same_Extended_Unit
|
|
|
947 (Original_Location (Loc), Original_Location (Mloc));
|
|
|
948 end if;
|
|
|
949 end In_Extended_Main_Source_Unit;
|
|
|
950
|
|
|
951 ----------------------
|
|
|
952 -- In_Internal_Unit --
|
|
|
953 ----------------------
|
|
|
954
|
|
|
955 function In_Internal_Unit (N : Node_Or_Entity_Id) return Boolean is
|
|
|
956 begin
|
|
|
957 return In_Internal_Unit (Sloc (N));
|
|
|
958 end In_Internal_Unit;
|
|
|
959
|
|
|
960 function In_Internal_Unit (S : Source_Ptr) return Boolean is
|
|
|
961 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
|
|
|
962 begin
|
|
|
963 return Is_Internal_Unit (Unit);
|
|
|
964 end In_Internal_Unit;
|
|
|
965
|
|
|
966 ----------------------------
|
|
|
967 -- In_Predefined_Renaming --
|
|
|
968 ----------------------------
|
|
|
969
|
|
|
970 function In_Predefined_Renaming (N : Node_Or_Entity_Id) return Boolean is
|
|
|
971 begin
|
|
|
972 return In_Predefined_Renaming (Sloc (N));
|
|
|
973 end In_Predefined_Renaming;
|
|
|
974
|
|
|
975 function In_Predefined_Renaming (S : Source_Ptr) return Boolean is
|
|
|
976 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
|
|
|
977 begin
|
|
|
978 return Is_Predefined_Renaming (Unit);
|
|
|
979 end In_Predefined_Renaming;
|
|
|
980
|
|
|
981 ------------------------
|
|
|
982 -- In_Predefined_Unit --
|
|
|
983 ------------------------
|
|
|
984
|
|
|
985 function In_Predefined_Unit (N : Node_Or_Entity_Id) return Boolean is
|
|
|
986 begin
|
|
|
987 return In_Predefined_Unit (Sloc (N));
|
|
|
988 end In_Predefined_Unit;
|
|
|
989
|
|
|
990 function In_Predefined_Unit (S : Source_Ptr) return Boolean is
|
|
|
991 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
|
|
|
992 begin
|
|
|
993 return Is_Predefined_Unit (Unit);
|
|
|
994 end In_Predefined_Unit;
|
|
|
995
|
|
|
996 -----------------------
|
|
|
997 -- In_Same_Code_Unit --
|
|
|
998 -----------------------
|
|
|
999
|
|
|
1000 function In_Same_Code_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
|
|
|
1001 S1 : constant Source_Ptr := Sloc (N1);
|
|
|
1002 S2 : constant Source_Ptr := Sloc (N2);
|
|
|
1003
|
|
|
1004 begin
|
|
|
1005 if S1 = No_Location or else S2 = No_Location then
|
|
|
1006 return False;
|
|
|
1007
|
|
|
1008 elsif S1 = Standard_Location then
|
|
|
1009 return S2 = Standard_Location;
|
|
|
1010
|
|
|
1011 elsif S2 = Standard_Location then
|
|
|
1012 return False;
|
|
|
1013 end if;
|
|
|
1014
|
|
|
1015 return Get_Code_Unit (N1) = Get_Code_Unit (N2);
|
|
|
1016 end In_Same_Code_Unit;
|
|
|
1017
|
|
|
1018 ---------------------------
|
|
|
1019 -- In_Same_Extended_Unit --
|
|
|
1020 ---------------------------
|
|
|
1021
|
|
|
1022 function In_Same_Extended_Unit
|
|
|
1023 (N1, N2 : Node_Or_Entity_Id) return Boolean
|
|
|
1024 is
|
|
|
1025 begin
|
|
|
1026 return Check_Same_Extended_Unit (Sloc (N1), Sloc (N2)) /= No;
|
|
|
1027 end In_Same_Extended_Unit;
|
|
|
1028
|
|
|
1029 function In_Same_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
|
|
|
1030 begin
|
|
|
1031 return Check_Same_Extended_Unit (S1, S2) /= No;
|
|
|
1032 end In_Same_Extended_Unit;
|
|
|
1033
|
|
|
1034 -------------------------
|
|
|
1035 -- In_Same_Source_Unit --
|
|
|
1036 -------------------------
|
|
|
1037
|
|
|
1038 function In_Same_Source_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
|
|
|
1039 S1 : constant Source_Ptr := Sloc (N1);
|
|
|
1040 S2 : constant Source_Ptr := Sloc (N2);
|
|
|
1041
|
|
|
1042 begin
|
|
|
1043 if S1 = No_Location or else S2 = No_Location then
|
|
|
1044 return False;
|
|
|
1045
|
|
|
1046 elsif S1 = Standard_Location then
|
|
|
1047 return S2 = Standard_Location;
|
|
|
1048
|
|
|
1049 elsif S2 = Standard_Location then
|
|
|
1050 return False;
|
|
|
1051 end if;
|
|
|
1052
|
|
|
1053 return Get_Source_Unit (N1) = Get_Source_Unit (N2);
|
|
|
1054 end In_Same_Source_Unit;
|
|
|
1055
|
|
|
1056 -----------------------------------
|
|
|
1057 -- Increment_Primary_Stack_Count --
|
|
|
1058 -----------------------------------
|
|
|
1059
|
|
|
1060 procedure Increment_Primary_Stack_Count (Increment : Int) is
|
|
|
1061 PSC : Int renames Units.Table (Current_Sem_Unit).Primary_Stack_Count;
|
|
|
1062 begin
|
|
|
1063 PSC := PSC + Increment;
|
|
|
1064 end Increment_Primary_Stack_Count;
|
|
|
1065
|
|
|
1066 -------------------------------
|
|
|
1067 -- Increment_Sec_Stack_Count --
|
|
|
1068 -------------------------------
|
|
|
1069
|
|
|
1070 procedure Increment_Sec_Stack_Count (Increment : Int) is
|
|
|
1071 SSC : Int renames Units.Table (Current_Sem_Unit).Sec_Stack_Count;
|
|
|
1072 begin
|
|
|
1073 SSC := SSC + Increment;
|
|
|
1074 end Increment_Sec_Stack_Count;
|
|
|
1075
|
|
|
1076 -----------------------------
|
|
|
1077 -- Increment_Serial_Number --
|
|
|
1078 -----------------------------
|
|
|
1079
|
|
|
1080 function Increment_Serial_Number return Nat is
|
|
|
1081 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
|
|
|
1082 begin
|
|
|
1083 TSN := TSN + 1;
|
|
|
1084 return TSN;
|
|
|
1085 end Increment_Serial_Number;
|
|
|
1086
|
|
145
|
1087 ----------------------
|
|
|
1088 -- Init_Unit_Name --
|
|
|
1089 ----------------------
|
|
|
1090
|
|
|
1091 procedure Init_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type) is
|
|
|
1092 begin
|
|
|
1093 Units.Table (U).Unit_Name := N;
|
|
|
1094 Unit_Names.Set (N, U);
|
|
|
1095 end Init_Unit_Name;
|
|
|
1096
|
|
111
|
1097 ----------------
|
|
|
1098 -- Initialize --
|
|
|
1099 ----------------
|
|
|
1100
|
|
|
1101 procedure Initialize is
|
|
|
1102 begin
|
|
|
1103 Linker_Option_Lines.Init;
|
|
|
1104 Notes.Init;
|
|
|
1105 Load_Stack.Init;
|
|
|
1106 Units.Init;
|
|
|
1107 Compilation_Switches.Init;
|
|
|
1108 end Initialize;
|
|
|
1109
|
|
|
1110 ---------------
|
|
|
1111 -- Is_Loaded --
|
|
|
1112 ---------------
|
|
|
1113
|
|
|
1114 function Is_Loaded (Uname : Unit_Name_Type) return Boolean is
|
|
|
1115 begin
|
|
145
|
1116 return Unit_Names.Get (Uname) /= No_Unit;
|
|
111
|
1117 end Is_Loaded;
|
|
|
1118
|
|
|
1119 ---------------
|
|
|
1120 -- Last_Unit --
|
|
|
1121 ---------------
|
|
|
1122
|
|
|
1123 function Last_Unit return Unit_Number_Type is
|
|
|
1124 begin
|
|
|
1125 return Units.Last;
|
|
|
1126 end Last_Unit;
|
|
|
1127
|
|
|
1128 ----------
|
|
|
1129 -- List --
|
|
|
1130 ----------
|
|
|
1131
|
|
|
1132 procedure List (File_Names_Only : Boolean := False) is separate;
|
|
|
1133
|
|
|
1134 ----------
|
|
|
1135 -- Lock --
|
|
|
1136 ----------
|
|
|
1137
|
|
|
1138 procedure Lock is
|
|
|
1139 begin
|
|
|
1140 Linker_Option_Lines.Release;
|
|
|
1141 Linker_Option_Lines.Locked := True;
|
|
|
1142 Load_Stack.Release;
|
|
|
1143 Load_Stack.Locked := True;
|
|
|
1144 Units.Release;
|
|
|
1145 Units.Locked := True;
|
|
|
1146 end Lock;
|
|
|
1147
|
|
|
1148 ---------------
|
|
|
1149 -- Num_Units --
|
|
|
1150 ---------------
|
|
|
1151
|
|
|
1152 function Num_Units return Nat is
|
|
|
1153 begin
|
|
|
1154 return Int (Units.Last) - Int (Main_Unit) + 1;
|
|
|
1155 end Num_Units;
|
|
|
1156
|
|
|
1157 -----------------
|
|
|
1158 -- Remove_Unit --
|
|
|
1159 -----------------
|
|
|
1160
|
|
|
1161 procedure Remove_Unit (U : Unit_Number_Type) is
|
|
|
1162 begin
|
|
|
1163 if U = Units.Last then
|
|
145
|
1164 Unit_Names.Set (Unit_Name (U), No_Unit);
|
|
111
|
1165 Units.Decrement_Last;
|
|
|
1166 end if;
|
|
|
1167 end Remove_Unit;
|
|
|
1168
|
|
|
1169 ----------------------------------
|
|
|
1170 -- Replace_Linker_Option_String --
|
|
|
1171 ----------------------------------
|
|
|
1172
|
|
|
1173 procedure Replace_Linker_Option_String
|
|
|
1174 (S : String_Id; Match_String : String)
|
|
|
1175 is
|
|
|
1176 begin
|
|
|
1177 if Match_String'Length > 0 then
|
|
|
1178 for J in 1 .. Linker_Option_Lines.Last loop
|
|
|
1179 String_To_Name_Buffer (Linker_Option_Lines.Table (J).Option);
|
|
|
1180
|
|
|
1181 if Match_String = Name_Buffer (1 .. Match_String'Length) then
|
|
|
1182 Linker_Option_Lines.Table (J).Option := S;
|
|
|
1183 return;
|
|
|
1184 end if;
|
|
|
1185 end loop;
|
|
|
1186 end if;
|
|
|
1187
|
|
|
1188 Store_Linker_Option_String (S);
|
|
|
1189 end Replace_Linker_Option_String;
|
|
|
1190
|
|
|
1191 ----------
|
|
|
1192 -- Sort --
|
|
|
1193 ----------
|
|
|
1194
|
|
|
1195 procedure Sort (Tbl : in out Unit_Ref_Table) is separate;
|
|
|
1196
|
|
|
1197 ------------------------------
|
|
|
1198 -- Store_Compilation_Switch --
|
|
|
1199 ------------------------------
|
|
|
1200
|
|
|
1201 procedure Store_Compilation_Switch (Switch : String) is
|
|
|
1202 begin
|
|
|
1203 if Switch_Storing_Enabled then
|
|
|
1204 Compilation_Switches.Increment_Last;
|
|
|
1205 Compilation_Switches.Table (Compilation_Switches.Last) :=
|
|
|
1206 new String'(Switch);
|
|
|
1207
|
|
|
1208 -- Fix up --RTS flag which has been transformed by the gcc driver
|
|
|
1209 -- into -fRTS
|
|
|
1210
|
|
|
1211 if Switch'Last >= Switch'First + 4
|
|
|
1212 and then Switch (Switch'First .. Switch'First + 4) = "-fRTS"
|
|
|
1213 then
|
|
|
1214 Compilation_Switches.Table
|
|
|
1215 (Compilation_Switches.Last) (Switch'First + 1) := '-';
|
|
|
1216 end if;
|
|
|
1217 end if;
|
|
|
1218 end Store_Compilation_Switch;
|
|
|
1219
|
|
|
1220 --------------------------------
|
|
|
1221 -- Store_Linker_Option_String --
|
|
|
1222 --------------------------------
|
|
|
1223
|
|
|
1224 procedure Store_Linker_Option_String (S : String_Id) is
|
|
|
1225 begin
|
|
|
1226 Linker_Option_Lines.Append ((Option => S, Unit => Current_Sem_Unit));
|
|
|
1227 end Store_Linker_Option_String;
|
|
|
1228
|
|
|
1229 ----------------
|
|
|
1230 -- Store_Note --
|
|
|
1231 ----------------
|
|
|
1232
|
|
|
1233 procedure Store_Note (N : Node_Id) is
|
|
|
1234 Sfile : constant Source_File_Index := Get_Source_File_Index (Sloc (N));
|
|
|
1235
|
|
|
1236 begin
|
|
|
1237 -- Notes for a generic are emitted when processing the template, never
|
|
|
1238 -- in instances.
|
|
|
1239
|
|
|
1240 if In_Extended_Main_Code_Unit (N)
|
|
|
1241 and then Instance (Sfile) = No_Instance_Id
|
|
|
1242 then
|
|
|
1243 Notes.Append (N);
|
|
|
1244 end if;
|
|
|
1245 end Store_Note;
|
|
|
1246
|
|
|
1247 -------------------------------
|
|
|
1248 -- Synchronize_Serial_Number --
|
|
|
1249 -------------------------------
|
|
|
1250
|
|
|
1251 procedure Synchronize_Serial_Number is
|
|
|
1252 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
|
|
|
1253 begin
|
|
|
1254 TSN := TSN + 1;
|
|
|
1255 end Synchronize_Serial_Number;
|
|
|
1256
|
|
|
1257 ---------------
|
|
|
1258 -- Tree_Read --
|
|
|
1259 ---------------
|
|
|
1260
|
|
|
1261 procedure Tree_Read is
|
|
|
1262 N : Nat;
|
|
|
1263 S : String_Ptr;
|
|
|
1264
|
|
|
1265 begin
|
|
|
1266 Units.Tree_Read;
|
|
|
1267
|
|
|
1268 -- Read Compilation_Switches table. First release the memory occupied
|
|
|
1269 -- by the previously loaded switches.
|
|
|
1270
|
|
|
1271 for J in Compilation_Switches.First .. Compilation_Switches.Last loop
|
|
|
1272 Free (Compilation_Switches.Table (J));
|
|
|
1273 end loop;
|
|
|
1274
|
|
|
1275 Tree_Read_Int (N);
|
|
|
1276 Compilation_Switches.Set_Last (N);
|
|
|
1277
|
|
|
1278 for J in 1 .. N loop
|
|
|
1279 Tree_Read_Str (S);
|
|
|
1280 Compilation_Switches.Table (J) := S;
|
|
|
1281 end loop;
|
|
|
1282 end Tree_Read;
|
|
|
1283
|
|
|
1284 ----------------
|
|
|
1285 -- Tree_Write --
|
|
|
1286 ----------------
|
|
|
1287
|
|
|
1288 procedure Tree_Write is
|
|
|
1289 begin
|
|
|
1290 Units.Tree_Write;
|
|
|
1291
|
|
|
1292 -- Write Compilation_Switches table
|
|
|
1293
|
|
|
1294 Tree_Write_Int (Compilation_Switches.Last);
|
|
|
1295
|
|
|
1296 for J in 1 .. Compilation_Switches.Last loop
|
|
|
1297 Tree_Write_Str (Compilation_Switches.Table (J));
|
|
|
1298 end loop;
|
|
|
1299 end Tree_Write;
|
|
|
1300
|
|
145
|
1301 --------------------
|
|
|
1302 -- Unit_Name_Hash --
|
|
|
1303 --------------------
|
|
|
1304
|
|
|
1305 function Unit_Name_Hash (Id : Unit_Name_Type) return Unit_Name_Header_Num is
|
|
|
1306 begin
|
|
|
1307 return Unit_Name_Header_Num (Id mod Unit_Name_Table_Size);
|
|
|
1308 end Unit_Name_Hash;
|
|
|
1309
|
|
111
|
1310 ------------
|
|
|
1311 -- Unlock --
|
|
|
1312 ------------
|
|
|
1313
|
|
|
1314 procedure Unlock is
|
|
|
1315 begin
|
|
|
1316 Linker_Option_Lines.Locked := False;
|
|
|
1317 Load_Stack.Locked := False;
|
|
|
1318 Units.Locked := False;
|
|
|
1319 end Unlock;
|
|
|
1320
|
|
|
1321 -----------------
|
|
|
1322 -- Version_Get --
|
|
|
1323 -----------------
|
|
|
1324
|
|
|
1325 function Version_Get (U : Unit_Number_Type) return Word_Hex_String is
|
|
|
1326 begin
|
|
|
1327 return Get_Hex_String (Units.Table (U).Version);
|
|
|
1328 end Version_Get;
|
|
|
1329
|
|
|
1330 ------------------------
|
|
|
1331 -- Version_Referenced --
|
|
|
1332 ------------------------
|
|
|
1333
|
|
|
1334 procedure Version_Referenced (S : String_Id) is
|
|
|
1335 begin
|
|
|
1336 Version_Ref.Append (S);
|
|
|
1337 end Version_Referenced;
|
|
|
1338
|
|
|
1339 ---------------------
|
|
|
1340 -- Write_Unit_Info --
|
|
|
1341 ---------------------
|
|
|
1342
|
|
|
1343 procedure Write_Unit_Info
|
|
|
1344 (Unit_Num : Unit_Number_Type;
|
|
|
1345 Item : Node_Id;
|
|
|
1346 Prefix : String := "";
|
|
|
1347 Withs : Boolean := False)
|
|
|
1348 is
|
|
|
1349 begin
|
|
|
1350 Write_Str (Prefix);
|
|
|
1351 Write_Unit_Name (Unit_Name (Unit_Num));
|
|
|
1352 Write_Str (", unit ");
|
|
|
1353 Write_Int (Int (Unit_Num));
|
|
|
1354 Write_Str (", ");
|
|
|
1355 Write_Int (Int (Item));
|
|
|
1356 Write_Str ("=");
|
|
|
1357 Write_Str (Node_Kind'Image (Nkind (Item)));
|
|
|
1358
|
|
131
|
1359 if Is_Rewrite_Substitution (Item) then
|
|
111
|
1360 Write_Str (", orig = ");
|
|
|
1361 Write_Int (Int (Original_Node (Item)));
|
|
|
1362 Write_Str ("=");
|
|
|
1363 Write_Str (Node_Kind'Image (Nkind (Original_Node (Item))));
|
|
|
1364 end if;
|
|
|
1365
|
|
|
1366 Write_Eol;
|
|
|
1367
|
|
|
1368 -- Skip the rest if we're not supposed to print the withs
|
|
|
1369
|
|
|
1370 if not Withs then
|
|
|
1371 return;
|
|
|
1372 end if;
|
|
|
1373
|
|
|
1374 declare
|
|
|
1375 Context_Item : Node_Id;
|
|
|
1376
|
|
|
1377 begin
|
|
|
1378 Context_Item := First (Context_Items (Cunit (Unit_Num)));
|
|
|
1379 while Present (Context_Item)
|
|
|
1380 and then (Nkind (Context_Item) /= N_With_Clause
|
|
|
1381 or else Limited_Present (Context_Item))
|
|
|
1382 loop
|
|
|
1383 Context_Item := Next (Context_Item);
|
|
|
1384 end loop;
|
|
|
1385
|
|
|
1386 if Present (Context_Item) then
|
|
|
1387 Indent;
|
|
|
1388 Write_Line ("withs:");
|
|
|
1389 Indent;
|
|
|
1390
|
|
|
1391 while Present (Context_Item) loop
|
|
|
1392 if Nkind (Context_Item) = N_With_Clause
|
|
|
1393 and then not Limited_Present (Context_Item)
|
|
|
1394 then
|
|
|
1395 pragma Assert (Present (Library_Unit (Context_Item)));
|
|
|
1396 Write_Unit_Name
|
|
|
1397 (Unit_Name
|
|
|
1398 (Get_Cunit_Unit_Number (Library_Unit (Context_Item))));
|
|
|
1399
|
|
|
1400 if Implicit_With (Context_Item) then
|
|
|
1401 Write_Str (" -- implicit");
|
|
|
1402 end if;
|
|
|
1403
|
|
|
1404 Write_Eol;
|
|
|
1405 end if;
|
|
|
1406
|
|
|
1407 Context_Item := Next (Context_Item);
|
|
|
1408 end loop;
|
|
|
1409
|
|
|
1410 Outdent;
|
|
|
1411 Write_Line ("end withs");
|
|
|
1412 Outdent;
|
|
|
1413 end if;
|
|
|
1414 end;
|
|
|
1415 end Write_Unit_Info;
|
|
|
1416
|
|
|
1417 end Lib;
|
