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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 . W R I T --
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6 -- --
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7 -- B o d y --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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17 -- for more details. You should have received a copy of the GNU General --
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18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
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19 -- http://www.gnu.org/licenses for a complete copy of the license. --
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20 -- --
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21 -- GNAT was originally developed by the GNAT team at New York University. --
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22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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23 -- --
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24 ------------------------------------------------------------------------------
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25
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26 with ALI; use ALI;
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27 with Atree; use Atree;
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28 with Casing; use Casing;
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29 with Debug; use Debug;
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30 with Einfo; use Einfo;
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31 with Errout; use Errout;
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32 with Fname; use Fname;
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33 with Fname.UF; use Fname.UF;
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34 with Lib.Util; use Lib.Util;
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35 with Lib.Xref; use Lib.Xref;
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36 with Nlists; use Nlists;
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37 with Gnatvsn; use Gnatvsn;
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38 with Opt; use Opt;
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39 with Osint; use Osint;
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40 with Osint.C; use Osint.C;
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41 with Output; use Output;
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42 with Par;
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43 with Par_SCO; use Par_SCO;
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44 with Restrict; use Restrict;
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45 with Rident; use Rident;
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46 with Stand; use Stand;
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47 with Scn; use Scn;
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48 with Sem_Eval; use Sem_Eval;
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49 with Sinfo; use Sinfo;
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50 with Sinput; use Sinput;
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51 with Snames; use Snames;
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52 with Stringt; use Stringt;
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53 with Tbuild; use Tbuild;
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54 with Uname; use Uname;
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55
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56 with System.Case_Util; use System.Case_Util;
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57 with System.WCh_Con; use System.WCh_Con;
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58
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59 package body Lib.Writ is
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60
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61 -----------------------
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62 -- Local Subprograms --
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63 -----------------------
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64
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65 procedure Write_Unit_Name (N : Node_Id);
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66 -- Used to write out the unit name for R (pragma Restriction) lines
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67 -- for uses of Restriction (No_Dependence => unit-name).
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68
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69 ----------------------------------
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70 -- Add_Preprocessing_Dependency --
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71 ----------------------------------
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72
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73 procedure Add_Preprocessing_Dependency (S : Source_File_Index) is
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74 begin
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75 Units.Increment_Last;
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76 Units.Table (Units.Last) :=
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77 (Unit_File_Name => File_Name (S),
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78 Unit_Name => No_Unit_Name,
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79 Expected_Unit => No_Unit_Name,
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80 Source_Index => S,
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81 Cunit => Empty,
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82 Cunit_Entity => Empty,
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83 Dependency_Num => 0,
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84 Dynamic_Elab => False,
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85 Fatal_Error => None,
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86 Generate_Code => False,
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87 Has_RACW => False,
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88 Filler => False,
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89 Ident_String => Empty,
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90 Is_Predefined_Renaming => False,
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91 Is_Internal_Unit => False,
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92 Is_Predefined_Unit => False,
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93 Filler2 => False,
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94 Loading => False,
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95 Main_Priority => -1,
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96 Main_CPU => -1,
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97 Munit_Index => 0,
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98 No_Elab_Code_All => False,
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99 Primary_Stack_Count => 0,
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100 Sec_Stack_Count => 0,
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101 Serial_Number => 0,
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102 Version => 0,
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103 Error_Location => No_Location,
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104 OA_Setting => 'O');
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105 end Add_Preprocessing_Dependency;
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106
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107 ------------------------------
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108 -- Ensure_System_Dependency --
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109 ------------------------------
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110
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111 procedure Ensure_System_Dependency is
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112 System_Uname : Unit_Name_Type;
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113 -- Unit name for system spec if needed for dummy entry
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114
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115 System_Fname : File_Name_Type;
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116 -- File name for system spec if needed for dummy entry
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117
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118 begin
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119 -- Nothing to do if we already compiled System
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120
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121 for Unum in Units.First .. Last_Unit loop
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122 if Units.Table (Unum).Source_Index = System_Source_File_Index then
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123 return;
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124 end if;
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125 end loop;
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126
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127 -- If no entry for system.ads in the units table, then add a entry
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128 -- to the units table for system.ads, which will be referenced when
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129 -- the ali file is generated. We need this because every unit depends
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130 -- on system as a result of Targparm scanning the system.ads file to
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131 -- determine the target dependent parameters for the compilation.
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132
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133 Name_Len := 6;
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134 Name_Buffer (1 .. 6) := "system";
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135 System_Uname := Name_To_Unit_Name (Name_Enter);
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136 System_Fname := File_Name (System_Source_File_Index);
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137
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138 Units.Increment_Last;
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139 Units.Table (Units.Last) :=
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140 (Unit_File_Name => System_Fname,
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141 Unit_Name => System_Uname,
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142 Expected_Unit => System_Uname,
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143 Source_Index => System_Source_File_Index,
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144 Cunit => Empty,
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145 Cunit_Entity => Empty,
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146 Dependency_Num => 0,
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147 Dynamic_Elab => False,
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148 Fatal_Error => None,
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149 Generate_Code => False,
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150 Has_RACW => False,
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151 Filler => False,
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152 Ident_String => Empty,
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153 Is_Predefined_Renaming => False,
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154 Is_Internal_Unit => True,
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155 Is_Predefined_Unit => True,
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156 Filler2 => False,
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157 Loading => False,
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158 Main_Priority => -1,
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159 Main_CPU => -1,
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160 Munit_Index => 0,
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161 No_Elab_Code_All => False,
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162 Primary_Stack_Count => 0,
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163 Sec_Stack_Count => 0,
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164 Serial_Number => 0,
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165 Version => 0,
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166 Error_Location => No_Location,
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167 OA_Setting => 'O');
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168
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169 -- Parse system.ads so that the checksum is set right. Style checks are
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170 -- not applied. The Ekind is set to ensure that this reference is always
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171 -- present in the ali file.
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172
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173 declare
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174 Save_Mindex : constant Nat := Multiple_Unit_Index;
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175 Save_Style : constant Boolean := Style_Check;
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176 begin
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177 Multiple_Unit_Index := 0;
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178 Style_Check := False;
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179 Initialize_Scanner (Units.Last, System_Source_File_Index);
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180 Discard_List (Par (Configuration_Pragmas => False));
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181 Set_Ekind (Cunit_Entity (Units.Last), E_Package);
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182 Set_Scope (Cunit_Entity (Units.Last), Standard_Standard);
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183 Style_Check := Save_Style;
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184 Multiple_Unit_Index := Save_Mindex;
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185 end;
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186 end Ensure_System_Dependency;
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187
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188 ---------------
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189 -- Write_ALI --
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190 ---------------
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191
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192 procedure Write_ALI (Object : Boolean) is
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193
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194 ----------------
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195 -- Local Data --
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196 ----------------
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197
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198 Last_Unit : constant Unit_Number_Type := Units.Last;
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199 -- Record unit number of last unit. We capture this in case we
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200 -- have to add a dummy entry to the unit table for package System.
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201
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202 With_Flags : array (Units.First .. Last_Unit) of Boolean;
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203 -- Array of flags to show which units are with'ed
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204
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205 Elab_Flags : array (Units.First .. Last_Unit) of Boolean;
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206 -- Array of flags to show which units have pragma Elaborate set
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207
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208 Elab_All_Flags : array (Units.First .. Last_Unit) of Boolean;
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209 -- Array of flags to show which units have pragma Elaborate All set
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210
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211 Elab_Des_Flags : array (Units.First .. Last_Unit) of Boolean;
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212 -- Array of flags to show which units have Elaborate_Desirable set
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213
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214 Elab_All_Des_Flags : array (Units.First .. Last_Unit) of Boolean;
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215 -- Array of flags to show which units have Elaborate_All_Desirable set
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216
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217 type Yes_No is (Unknown, Yes, No);
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131
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218 Has_Implicit_With : array (Units.First .. Last_Unit) of Yes_No;
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111
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219 -- Indicates if an implicit with has been given for the unit. Yes if
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131
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220 -- certainly present, No if certainly absent, Unknown if not known.
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111
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221
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222 Sdep_Table : Unit_Ref_Table (1 .. Pos (Last_Unit - Units.First + 2));
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223 -- Sorted table of source dependencies. One extra entry in case we
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224 -- have to add a dummy entry for System.
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225
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226 Num_Sdep : Nat := 0;
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227 -- Number of active entries in Sdep_Table
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228
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229 -----------------------
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230 -- Local Subprograms --
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231 -----------------------
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232
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233 procedure Collect_Withs (Cunit : Node_Id);
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131
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234 -- Collect with lines for entries in the context clause of the given
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235 -- compilation unit, Cunit.
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111
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236
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237 procedure Update_Tables_From_ALI_File;
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238 -- Given an up to date ALI file (see Up_To_Date_ALI_file_Exists
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239 -- function), update tables from the ALI information, including
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240 -- specifically the Compilation_Switches table.
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241
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242 function Up_To_Date_ALI_File_Exists return Boolean;
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243 -- If there exists an ALI file that is up to date, then this function
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244 -- initializes the tables in the ALI spec to contain information on
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245 -- this file (using Scan_ALI) and returns True. If no file exists,
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246 -- or the file is not up to date, then False is returned.
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247
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248 procedure Write_Unit_Information (Unit_Num : Unit_Number_Type);
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249 -- Write out the library information for one unit for which code is
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250 -- generated (includes unit line and with lines).
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251
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252 procedure Write_With_Lines;
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253 -- Write out with lines collected by calls to Collect_Withs
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254
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255 -------------------
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256 -- Collect_Withs --
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257 -------------------
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258
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259 procedure Collect_Withs (Cunit : Node_Id) is
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131
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260 function Is_Implicit_With_Clause (Clause : Node_Id) return Boolean;
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261 pragma Inline (Is_Implicit_With_Clause);
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262 -- Determine whether a with clause denoted by Clause is implicit
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263
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264 -----------------------------
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265 -- Is_Implicit_With_Clause --
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266 -----------------------------
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267
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268 function Is_Implicit_With_Clause (Clause : Node_Id) return Boolean is
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269 begin
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270 -- With clauses created for ancestor units are marked as internal,
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271 -- however, they emulate the semantics in Ada RM 10.1.2 (6/2),
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272 -- where
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273 --
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274 -- with A.B;
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275 --
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276 -- is almost equivalent to
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277 --
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278 -- with A;
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279 -- with A.B;
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280 --
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281 -- For ALI encoding purposes, they are considered to be explicit.
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282 -- Note that the clauses cannot be marked as explicit because they
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283 -- will be subjected to various checks related to with clauses and
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284 -- possibly cause false positives.
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285
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286 if Parent_With (Clause) then
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287 return False;
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288
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289 else
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290 return Implicit_With (Clause);
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291 end if;
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292 end Is_Implicit_With_Clause;
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293
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294 -- Local variables
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295
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111
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296 Item : Node_Id;
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297 Unum : Unit_Number_Type;
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298
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131
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299 -- Start of processing for Collect_Withs
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300
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111
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301 begin
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302 Item := First (Context_Items (Cunit));
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303 while Present (Item) loop
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304
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305 -- Process with clause
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306
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307 -- Ada 2005 (AI-50217): limited with_clauses do not create
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308 -- dependencies, but must be recorded as components of the
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309 -- partition, in case there is no regular with_clause for
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310 -- the unit anywhere else.
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311
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312 if Nkind (Item) = N_With_Clause then
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313 Unum := Get_Cunit_Unit_Number (Library_Unit (Item));
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314 With_Flags (Unum) := True;
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315
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316 if not Limited_Present (Item) then
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317 if Elaborate_Present (Item) then
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318 Elab_Flags (Unum) := True;
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319 end if;
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320
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321 if Elaborate_All_Present (Item) then
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322 Elab_All_Flags (Unum) := True;
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323 end if;
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324
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325 if Elaborate_All_Desirable (Item) then
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326 Elab_All_Des_Flags (Unum) := True;
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327 end if;
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328
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329 if Elaborate_Desirable (Item) then
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330 Elab_Des_Flags (Unum) := True;
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331 end if;
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332
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333 else
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334 Set_From_Limited_With (Cunit_Entity (Unum));
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335 end if;
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336
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131
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337 if Is_Implicit_With_Clause (Item) then
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338
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339 -- A previous explicit with clause withs the unit. Retain
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340 -- this classification, as it reflects the source relations
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341 -- between units.
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342
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343 if Has_Implicit_With (Unum) = No then
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344 null;
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345
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346 -- Otherwise this is either the first time any clause withs
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347 -- the unit, or the unit is already implicitly withed.
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348
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111
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349 else
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131
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350 Has_Implicit_With (Unum) := Yes;
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111
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351 end if;
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131
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352
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353 -- Otherwise the current with clause is explicit. Such clauses
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354 -- take precedence over existing implicit clauses because they
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355 -- reflect the source relations between unit.
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356
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357 else
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358 Has_Implicit_With (Unum) := No;
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111
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359 end if;
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360 end if;
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361
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362 Next (Item);
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363 end loop;
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364 end Collect_Withs;
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365
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366 --------------------------------
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367 -- Up_To_Date_ALI_File_Exists --
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368 --------------------------------
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369
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370 function Up_To_Date_ALI_File_Exists return Boolean is
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371 Name : File_Name_Type;
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372 Text : Text_Buffer_Ptr;
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373 Id : Sdep_Id;
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374 Sind : Source_File_Index;
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375
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376 begin
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377 Opt.Check_Object_Consistency := True;
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378 Read_Library_Info (Name, Text);
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379
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380 -- Return if we could not find an ALI file
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381
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382 if Text = null then
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383 return False;
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384 end if;
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385
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386 -- Return if ALI file has bad format
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387
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388 Initialize_ALI;
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389
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390 if Scan_ALI (Name, Text, False, Err => True) = No_ALI_Id then
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391 return False;
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392 end if;
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393
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394 -- If we have an OK ALI file, check if it is up to date
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395 -- Note that we assume that the ALI read has all the entries
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396 -- we have in our table, plus some additional ones (that can
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397 -- come from expansion).
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398
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399 Id := First_Sdep_Entry;
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400 for J in 1 .. Num_Sdep loop
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401 Sind := Units.Table (Sdep_Table (J)).Source_Index;
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402
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403 while Sdep.Table (Id).Sfile /= File_Name (Sind) loop
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404 if Id = Sdep.Last then
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405 return False;
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406 else
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407 Id := Id + 1;
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408 end if;
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409 end loop;
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410
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411 if Sdep.Table (Id).Stamp /= Time_Stamp (Sind) then
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412 return False;
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413 end if;
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414 end loop;
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415
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416 return True;
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417 end Up_To_Date_ALI_File_Exists;
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|
418
|
|
|
419 ---------------------------------
|
|
|
420 -- Update_Tables_From_ALI_File --
|
|
|
421 ---------------------------------
|
|
|
422
|
|
|
423 procedure Update_Tables_From_ALI_File is
|
|
|
424 begin
|
|
|
425 -- Build Compilation_Switches table
|
|
|
426
|
|
|
427 Compilation_Switches.Init;
|
|
|
428
|
|
|
429 for J in First_Arg_Entry .. Args.Last loop
|
|
|
430 Compilation_Switches.Increment_Last;
|
|
|
431 Compilation_Switches.Table (Compilation_Switches.Last) :=
|
|
|
432 Args.Table (J);
|
|
|
433 end loop;
|
|
|
434 end Update_Tables_From_ALI_File;
|
|
|
435
|
|
|
436 ----------------------------
|
|
|
437 -- Write_Unit_Information --
|
|
|
438 ----------------------------
|
|
|
439
|
|
|
440 procedure Write_Unit_Information (Unit_Num : Unit_Number_Type) is
|
|
|
441 Unode : constant Node_Id := Cunit (Unit_Num);
|
|
|
442 Ukind : constant Node_Kind := Nkind (Unit (Unode));
|
|
|
443 Uent : constant Entity_Id := Cunit_Entity (Unit_Num);
|
|
|
444 Pnode : Node_Id;
|
|
|
445
|
|
|
446 begin
|
|
|
447 Write_Info_Initiate ('U');
|
|
|
448 Write_Info_Char (' ');
|
|
|
449 Write_Info_Name (Unit_Name (Unit_Num));
|
|
|
450 Write_Info_Tab (25);
|
|
|
451 Write_Info_Name (Unit_File_Name (Unit_Num));
|
|
|
452
|
|
|
453 Write_Info_Tab (49);
|
|
|
454 Write_Info_Str (Version_Get (Unit_Num));
|
|
|
455
|
|
|
456 -- Add BD parameter if Elaborate_Body pragma desirable
|
|
|
457
|
|
|
458 if Ekind (Uent) = E_Package
|
|
|
459 and then Elaborate_Body_Desirable (Uent)
|
|
|
460 then
|
|
|
461 Write_Info_Str (" BD");
|
|
|
462 end if;
|
|
|
463
|
|
|
464 -- Add BN parameter if body needed for SAL
|
|
|
465
|
|
|
466 if (Is_Subprogram (Uent)
|
|
|
467 or else Ekind (Uent) = E_Package
|
|
|
468 or else Is_Generic_Unit (Uent))
|
|
|
469 and then Body_Needed_For_SAL (Uent)
|
|
|
470 then
|
|
|
471 Write_Info_Str (" BN");
|
|
|
472 end if;
|
|
|
473
|
|
|
474 if Dynamic_Elab (Unit_Num) then
|
|
|
475 Write_Info_Str (" DE");
|
|
|
476 end if;
|
|
|
477
|
|
|
478 -- Set the Elaborate_Body indication if either an explicit pragma
|
|
|
479 -- was present, or if this is an instantiation.
|
|
|
480
|
|
|
481 if Has_Pragma_Elaborate_Body (Uent)
|
|
|
482 or else (Ukind = N_Package_Declaration
|
|
|
483 and then Is_Generic_Instance (Uent)
|
|
|
484 and then Present (Corresponding_Body (Unit (Unode))))
|
|
|
485 then
|
|
|
486 Write_Info_Str (" EB");
|
|
|
487 end if;
|
|
|
488
|
|
|
489 -- Now see if we should tell the binder that an elaboration entity
|
|
|
490 -- is present, which must be set to true during elaboration.
|
|
|
491 -- We generate the indication if the following condition is met:
|
|
|
492
|
|
|
493 -- If this is a spec ...
|
|
|
494
|
|
|
495 if (Is_Subprogram (Uent)
|
|
|
496 or else Ekind (Uent) = E_Package
|
|
|
497 or else Is_Generic_Unit (Uent))
|
|
|
498
|
|
|
499 -- and an elaboration entity was declared ...
|
|
|
500
|
|
|
501 and then Present (Elaboration_Entity (Uent))
|
|
|
502
|
|
|
503 -- and either the elaboration flag is required ...
|
|
|
504
|
|
|
505 and then (Elaboration_Entity_Required (Uent)
|
|
|
506
|
|
|
507 -- or this unit has elaboration code ...
|
|
|
508
|
|
|
509 or else not Has_No_Elaboration_Code (Unode)
|
|
|
510
|
|
|
511 -- or this unit has a separate body and this
|
|
|
512 -- body has elaboration code.
|
|
|
513
|
|
|
514 or else
|
|
|
515 (Ekind (Uent) = E_Package
|
|
|
516 and then Present (Body_Entity (Uent))
|
|
|
517 and then
|
|
|
518 not Has_No_Elaboration_Code
|
|
|
519 (Parent (Declaration_Node (Body_Entity (Uent))))))
|
|
|
520 then
|
|
|
521 Write_Info_Str (" EE");
|
|
|
522 end if;
|
|
|
523
|
|
|
524 if Has_No_Elaboration_Code (Unode) then
|
|
|
525 Write_Info_Str (" NE");
|
|
|
526 end if;
|
|
|
527
|
|
|
528 Write_Info_Str (" O");
|
|
|
529 Write_Info_Char (OA_Setting (Unit_Num));
|
|
|
530
|
|
|
531 if Ekind_In (Uent, E_Package, E_Package_Body)
|
|
|
532 and then Present (Finalizer (Uent))
|
|
|
533 then
|
|
|
534 Write_Info_Str (" PF");
|
|
|
535 end if;
|
|
|
536
|
|
|
537 if Is_Preelaborated (Uent) then
|
|
|
538 Write_Info_Str (" PR");
|
|
|
539 end if;
|
|
|
540
|
|
|
541 if Is_Pure (Uent) then
|
|
|
542 Write_Info_Str (" PU");
|
|
|
543 end if;
|
|
|
544
|
|
|
545 if Has_RACW (Unit_Num) then
|
|
|
546 Write_Info_Str (" RA");
|
|
|
547 end if;
|
|
|
548
|
|
|
549 if Is_Remote_Call_Interface (Uent) then
|
|
|
550 Write_Info_Str (" RC");
|
|
|
551 end if;
|
|
|
552
|
|
|
553 if Is_Remote_Types (Uent) then
|
|
|
554 Write_Info_Str (" RT");
|
|
|
555 end if;
|
|
|
556
|
|
|
557 if Serious_Errors_Detected /= 0 then
|
|
|
558 Write_Info_Str (" SE");
|
|
|
559 end if;
|
|
|
560
|
|
|
561 if Is_Shared_Passive (Uent) then
|
|
|
562 Write_Info_Str (" SP");
|
|
|
563 end if;
|
|
|
564
|
|
|
565 if Ukind = N_Subprogram_Declaration
|
|
|
566 or else Ukind = N_Subprogram_Body
|
|
|
567 then
|
|
|
568 Write_Info_Str (" SU");
|
|
|
569
|
|
|
570 elsif Ukind = N_Package_Declaration
|
|
|
571 or else
|
|
|
572 Ukind = N_Package_Body
|
|
|
573 then
|
|
|
574 -- If this is a wrapper package for a subprogram instantiation,
|
|
|
575 -- the user view is the subprogram. Note that in this case the
|
|
|
576 -- ali file contains both the spec and body of the instance.
|
|
|
577
|
|
|
578 if Is_Wrapper_Package (Uent) then
|
|
|
579 Write_Info_Str (" SU");
|
|
|
580 else
|
|
|
581 Write_Info_Str (" PK");
|
|
|
582 end if;
|
|
|
583
|
|
|
584 elsif Ukind = N_Generic_Package_Declaration then
|
|
|
585 Write_Info_Str (" PK");
|
|
|
586
|
|
|
587 end if;
|
|
|
588
|
|
|
589 if Ukind in N_Generic_Declaration
|
|
|
590 or else
|
|
|
591 (Present (Library_Unit (Unode))
|
|
|
592 and then
|
|
|
593 Nkind (Unit (Library_Unit (Unode))) in N_Generic_Declaration)
|
|
|
594 then
|
|
|
595 Write_Info_Str (" GE");
|
|
|
596 end if;
|
|
|
597
|
|
|
598 if not Is_Internal_Unit (Unit_Num) then
|
|
|
599 case Identifier_Casing (Source_Index (Unit_Num)) is
|
|
|
600 when All_Lower_Case => Write_Info_Str (" IL");
|
|
|
601 when All_Upper_Case => Write_Info_Str (" IU");
|
|
|
602 when others => null;
|
|
|
603 end case;
|
|
|
604
|
|
|
605 case Keyword_Casing (Source_Index (Unit_Num)) is
|
|
|
606 when Mixed_Case => Write_Info_Str (" KM");
|
|
|
607 when All_Upper_Case => Write_Info_Str (" KU");
|
|
|
608 when others => null;
|
|
|
609 end case;
|
|
|
610 end if;
|
|
|
611
|
|
|
612 if Initialize_Scalars or else Invalid_Value_Used then
|
|
|
613 Write_Info_Str (" IS");
|
|
|
614 end if;
|
|
|
615
|
|
|
616 Write_Info_EOL;
|
|
|
617
|
|
|
618 -- Generate with lines, first those that are directly with'ed
|
|
|
619
|
|
|
620 for J in With_Flags'Range loop
|
|
|
621 With_Flags (J) := False;
|
|
|
622 Elab_Flags (J) := False;
|
|
|
623 Elab_All_Flags (J) := False;
|
|
|
624 Elab_Des_Flags (J) := False;
|
|
|
625 Elab_All_Des_Flags (J) := False;
|
|
131
|
626 Has_Implicit_With (J) := Unknown;
|
|
111
|
627 end loop;
|
|
|
628
|
|
|
629 Collect_Withs (Unode);
|
|
|
630
|
|
|
631 -- For a body, we must also check for any subunits which belong to
|
|
|
632 -- it and which have context clauses of their own, since these
|
|
|
633 -- with'ed units are part of its own elaboration dependencies.
|
|
|
634
|
|
|
635 if Nkind (Unit (Unode)) in N_Unit_Body then
|
|
|
636 for S in Units.First .. Last_Unit loop
|
|
|
637
|
|
|
638 -- We are only interested in subunits. For preproc. data and
|
|
|
639 -- def. files, Cunit is Empty, so we need to test that first.
|
|
|
640
|
|
|
641 if Cunit (S) /= Empty
|
|
|
642 and then Nkind (Unit (Cunit (S))) = N_Subunit
|
|
|
643 then
|
|
|
644 Pnode := Library_Unit (Cunit (S));
|
|
|
645
|
|
|
646 -- In gnatc mode, the errors in the subunits will not have
|
|
|
647 -- been recorded, but the analysis of the subunit may have
|
|
|
648 -- failed. There is no information to add to ALI file in
|
|
|
649 -- this case.
|
|
|
650
|
|
|
651 if No (Pnode) then
|
|
|
652 exit;
|
|
|
653 end if;
|
|
|
654
|
|
|
655 -- Find ultimate parent of the subunit
|
|
|
656
|
|
|
657 while Nkind (Unit (Pnode)) = N_Subunit loop
|
|
|
658 Pnode := Library_Unit (Pnode);
|
|
|
659 end loop;
|
|
|
660
|
|
|
661 -- See if it belongs to current unit, and if so, include
|
|
|
662 -- its with_clauses.
|
|
|
663
|
|
|
664 if Pnode = Unode then
|
|
|
665 Collect_Withs (Cunit (S));
|
|
|
666 end if;
|
|
|
667 end if;
|
|
|
668 end loop;
|
|
|
669 end if;
|
|
|
670
|
|
|
671 Write_With_Lines;
|
|
|
672
|
|
|
673 -- Generate task stack lines
|
|
|
674
|
|
|
675 if Primary_Stack_Count (Unit_Num) > 0
|
|
|
676 or else Sec_Stack_Count (Unit_Num) > 0
|
|
|
677 then
|
|
|
678 Write_Info_Initiate ('T');
|
|
|
679 Write_Info_Char (' ');
|
|
|
680 Write_Info_Int (Primary_Stack_Count (Unit_Num));
|
|
|
681 Write_Info_Char (' ');
|
|
|
682 Write_Info_Int (Sec_Stack_Count (Unit_Num));
|
|
|
683 Write_Info_EOL;
|
|
|
684 end if;
|
|
|
685
|
|
|
686 -- Generate the linker option lines
|
|
|
687
|
|
|
688 for J in 1 .. Linker_Option_Lines.Last loop
|
|
|
689
|
|
|
690 -- Pragma Linker_Options is not allowed in predefined generic
|
|
|
691 -- units. This is because they won't be read, due to the fact that
|
|
|
692 -- with lines for generic units lack the file name and lib name
|
|
|
693 -- parameters (see Lib_Writ spec for an explanation).
|
|
|
694
|
|
|
695 if Is_Generic_Unit (Cunit_Entity (Main_Unit))
|
|
|
696 and then Is_Predefined_Unit (Current_Sem_Unit)
|
|
|
697 and then Linker_Option_Lines.Table (J).Unit = Unit_Num
|
|
|
698 then
|
|
|
699 Set_Standard_Error;
|
|
|
700 Write_Line
|
|
|
701 ("linker options not allowed in predefined generic unit");
|
|
|
702 raise Unrecoverable_Error;
|
|
|
703 end if;
|
|
|
704
|
|
|
705 -- Output one linker option line
|
|
|
706
|
|
|
707 declare
|
|
|
708 S : Linker_Option_Entry renames Linker_Option_Lines.Table (J);
|
|
|
709 begin
|
|
|
710 if S.Unit = Unit_Num then
|
|
|
711 Write_Info_Initiate ('L');
|
|
|
712 Write_Info_Char (' ');
|
|
|
713 Write_Info_Slit (S.Option);
|
|
|
714 Write_Info_EOL;
|
|
|
715 end if;
|
|
|
716 end;
|
|
|
717 end loop;
|
|
|
718
|
|
|
719 -- Output notes
|
|
|
720
|
|
|
721 for J in 1 .. Notes.Last loop
|
|
|
722 declare
|
|
|
723 N : constant Node_Id := Notes.Table (J);
|
|
|
724 L : constant Source_Ptr := Sloc (N);
|
|
|
725 U : constant Unit_Number_Type :=
|
|
|
726 Unit (Get_Source_File_Index (L));
|
|
|
727 C : Character;
|
|
|
728
|
|
|
729 Note_Unit : Unit_Number_Type;
|
|
|
730 -- The unit in whose U section this note must be emitted:
|
|
|
731 -- notes for subunits are emitted along with the main unit;
|
|
|
732 -- all other notes are emitted as part of the enclosing
|
|
|
733 -- compilation unit.
|
|
|
734
|
|
|
735 begin
|
|
|
736 if U /= No_Unit and then Nkind (Unit (Cunit (U))) = N_Subunit
|
|
|
737 then
|
|
|
738 Note_Unit := Main_Unit;
|
|
|
739 else
|
|
|
740 Note_Unit := U;
|
|
|
741 end if;
|
|
|
742
|
|
131
|
743 -- No action needed for pragmas removed by the expander (for
|
|
|
744 -- example, pragmas of ignored ghost entities).
|
|
|
745
|
|
|
746 if Nkind (N) = N_Null_Statement then
|
|
|
747 pragma Assert (Nkind (Original_Node (N)) = N_Pragma);
|
|
|
748 null;
|
|
|
749
|
|
|
750 elsif Note_Unit = Unit_Num then
|
|
111
|
751 Write_Info_Initiate ('N');
|
|
|
752 Write_Info_Char (' ');
|
|
|
753
|
|
131
|
754 case Pragma_Name (N) is
|
|
111
|
755 when Name_Annotate =>
|
|
|
756 C := 'A';
|
|
|
757 when Name_Comment =>
|
|
|
758 C := 'C';
|
|
|
759 when Name_Ident =>
|
|
|
760 C := 'I';
|
|
|
761 when Name_Title =>
|
|
|
762 C := 'T';
|
|
|
763 when Name_Subtitle =>
|
|
|
764 C := 'S';
|
|
|
765 when others =>
|
|
|
766 raise Program_Error;
|
|
|
767 end case;
|
|
|
768
|
|
|
769 Write_Info_Char (C);
|
|
|
770 Write_Info_Int (Int (Get_Logical_Line_Number (L)));
|
|
|
771 Write_Info_Char (':');
|
|
|
772 Write_Info_Int (Int (Get_Column_Number (L)));
|
|
|
773
|
|
|
774 -- Indicate source file of annotation if different from
|
|
|
775 -- compilation unit source file (case of annotation coming
|
|
|
776 -- from a separate).
|
|
|
777
|
|
|
778 if Get_Source_File_Index (L) /= Source_Index (Unit_Num) then
|
|
|
779 Write_Info_Char (':');
|
|
|
780 Write_Info_Name (File_Name (Get_Source_File_Index (L)));
|
|
|
781 end if;
|
|
|
782
|
|
|
783 declare
|
|
|
784 A : Node_Id;
|
|
|
785
|
|
|
786 begin
|
|
|
787 A := First (Pragma_Argument_Associations (N));
|
|
|
788 while Present (A) loop
|
|
|
789 Write_Info_Char (' ');
|
|
|
790
|
|
|
791 if Chars (A) /= No_Name then
|
|
|
792 Write_Info_Name (Chars (A));
|
|
|
793 Write_Info_Char (':');
|
|
|
794 end if;
|
|
|
795
|
|
|
796 declare
|
|
|
797 Expr : constant Node_Id := Expression (A);
|
|
|
798
|
|
|
799 begin
|
|
|
800 if Nkind (Expr) = N_Identifier then
|
|
|
801 Write_Info_Name (Chars (Expr));
|
|
|
802
|
|
|
803 elsif Nkind (Expr) = N_Integer_Literal
|
|
|
804 and then Is_OK_Static_Expression (Expr)
|
|
|
805 then
|
|
|
806 Write_Info_Uint (Intval (Expr));
|
|
|
807
|
|
|
808 elsif Nkind (Expr) = N_String_Literal
|
|
|
809 and then Is_OK_Static_Expression (Expr)
|
|
|
810 then
|
|
|
811 Write_Info_Slit (Strval (Expr));
|
|
|
812
|
|
|
813 else
|
|
|
814 Write_Info_Str ("<expr>");
|
|
|
815 end if;
|
|
|
816 end;
|
|
|
817
|
|
|
818 Next (A);
|
|
|
819 end loop;
|
|
|
820 end;
|
|
|
821
|
|
|
822 Write_Info_EOL;
|
|
|
823 end if;
|
|
|
824 end;
|
|
|
825 end loop;
|
|
|
826 end Write_Unit_Information;
|
|
|
827
|
|
|
828 ----------------------
|
|
|
829 -- Write_With_Lines --
|
|
|
830 ----------------------
|
|
|
831
|
|
|
832 procedure Write_With_Lines is
|
|
|
833 Pname : constant Unit_Name_Type :=
|
|
|
834 Get_Parent_Spec_Name (Unit_Name (Main_Unit));
|
|
|
835 Body_Fname : File_Name_Type;
|
|
|
836 Body_Index : Nat;
|
|
|
837 Cunit : Node_Id;
|
|
|
838 Fname : File_Name_Type;
|
|
|
839 Num_Withs : Int := 0;
|
|
|
840 Unum : Unit_Number_Type;
|
|
|
841 Uname : Unit_Name_Type;
|
|
|
842 With_Table : Unit_Ref_Table (1 .. Pos (Last_Unit - Units.First + 1));
|
|
|
843
|
|
|
844 procedure Write_With_File_Names
|
|
|
845 (Nam : in out File_Name_Type;
|
|
|
846 Idx : Nat);
|
|
|
847 -- Write source file name Nam and ALI file name for unit index Idx.
|
|
|
848 -- Possibly change Nam to lowercase (generating a new file name).
|
|
|
849
|
|
131
|
850 ---------------------------
|
|
|
851 -- Write_With_File_Names --
|
|
|
852 ---------------------------
|
|
111
|
853
|
|
|
854 procedure Write_With_File_Names
|
|
|
855 (Nam : in out File_Name_Type;
|
|
|
856 Idx : Nat)
|
|
|
857 is
|
|
|
858 begin
|
|
|
859 if not File_Names_Case_Sensitive then
|
|
|
860 Get_Name_String (Nam);
|
|
|
861 To_Lower (Name_Buffer (1 .. Name_Len));
|
|
|
862 Nam := Name_Find;
|
|
|
863 end if;
|
|
|
864
|
|
|
865 Write_Info_Name (Nam);
|
|
|
866 Write_Info_Tab (49);
|
|
|
867 Write_Info_Name (Lib_File_Name (Nam, Idx));
|
|
|
868 end Write_With_File_Names;
|
|
|
869
|
|
|
870 -- Start of processing for Write_With_Lines
|
|
|
871
|
|
|
872 begin
|
|
|
873 -- Loop to build the with table. A with on the main unit itself
|
|
|
874 -- is ignored (AARM 10.2(14a)). Such a with-clause can occur if
|
|
|
875 -- the main unit is a subprogram with no spec, and a subunit of
|
|
|
876 -- it unnecessarily withs the parent.
|
|
|
877
|
|
|
878 for J in Units.First + 1 .. Last_Unit loop
|
|
|
879
|
|
|
880 -- Add element to with table if it is with'ed or if it is the
|
|
|
881 -- parent spec of the main unit (case of main unit is a child
|
|
|
882 -- unit). The latter with is not needed for semantic purposes,
|
|
|
883 -- but is required by the binder for elaboration purposes. For
|
|
|
884 -- preprocessing data and definition files, there is no Unit_Name,
|
|
|
885 -- check for that first.
|
|
|
886
|
|
|
887 if Unit_Name (J) /= No_Unit_Name
|
|
|
888 and then (With_Flags (J) or else Unit_Name (J) = Pname)
|
|
|
889 then
|
|
|
890 Num_Withs := Num_Withs + 1;
|
|
|
891 With_Table (Num_Withs) := J;
|
|
|
892 end if;
|
|
|
893 end loop;
|
|
|
894
|
|
|
895 -- Sort and output the table
|
|
|
896
|
|
|
897 Sort (With_Table (1 .. Num_Withs));
|
|
|
898
|
|
|
899 for J in 1 .. Num_Withs loop
|
|
|
900 Unum := With_Table (J);
|
|
|
901
|
|
|
902 -- Do not generate a with line for an ignored Ghost unit because
|
|
|
903 -- the unit does not have an ALI file.
|
|
|
904
|
|
|
905 if Is_Ignored_Ghost_Entity (Cunit_Entity (Unum)) then
|
|
|
906 goto Next_With_Line;
|
|
|
907 end if;
|
|
|
908
|
|
|
909 Cunit := Units.Table (Unum).Cunit;
|
|
|
910 Uname := Units.Table (Unum).Unit_Name;
|
|
|
911 Fname := Units.Table (Unum).Unit_File_Name;
|
|
|
912
|
|
131
|
913 -- Limited with clauses must be processed first because they are
|
|
|
914 -- the most specific among the three kinds.
|
|
111
|
915
|
|
131
|
916 if Ekind (Cunit_Entity (Unum)) = E_Package
|
|
111
|
917 and then From_Limited_With (Cunit_Entity (Unum))
|
|
|
918 then
|
|
|
919 Write_Info_Initiate ('Y');
|
|
|
920
|
|
131
|
921 elsif Has_Implicit_With (Unum) = Yes then
|
|
|
922 Write_Info_Initiate ('Z');
|
|
|
923
|
|
111
|
924 else
|
|
|
925 Write_Info_Initiate ('W');
|
|
|
926 end if;
|
|
|
927
|
|
|
928 Write_Info_Char (' ');
|
|
|
929 Write_Info_Name (Uname);
|
|
|
930
|
|
|
931 -- Now we need to figure out the names of the files that contain
|
|
|
932 -- the with'ed unit. These will usually be the files for the body,
|
|
|
933 -- except in the case of a package that has no body. Note that we
|
|
|
934 -- have a specific exemption here for predefined library generics
|
|
|
935 -- (see comments for Generic_May_Lack_ALI). We do not generate
|
|
|
936 -- dependency upon the ALI file for such units. Older compilers
|
|
|
937 -- used to not support generating code (and ALI) for generics, and
|
|
|
938 -- we want to avoid having different processing (namely, different
|
|
|
939 -- lists of files to be compiled) for different stages of the
|
|
|
940 -- bootstrap.
|
|
|
941
|
|
|
942 if not ((Nkind (Unit (Cunit)) in N_Generic_Declaration
|
|
|
943 or else
|
|
|
944 Nkind (Unit (Cunit)) in N_Generic_Renaming_Declaration)
|
|
|
945 and then Generic_May_Lack_ALI (Unum))
|
|
|
946
|
|
|
947 -- In SPARK mode, always generate the dependencies on ALI
|
|
|
948 -- files, which are required to compute frame conditions
|
|
|
949 -- of subprograms.
|
|
|
950
|
|
|
951 or else GNATprove_Mode
|
|
|
952 then
|
|
|
953 Write_Info_Tab (25);
|
|
|
954
|
|
|
955 if Is_Spec_Name (Uname) then
|
|
131
|
956
|
|
|
957 -- In GNATprove mode we must write the spec of a unit which
|
|
|
958 -- requires a body if that body is not found. This will
|
|
|
959 -- allow partial analysis on incomplete sources. Also, in
|
|
|
960 -- the case of a unit that is a remote call interface, the
|
|
|
961 -- bodies of packages may not exist but still may form a
|
|
|
962 -- valid program - so we handle that here as well.
|
|
|
963
|
|
|
964 if GNATprove_Mode
|
|
|
965 or else Is_Remote_Call_Interface (Cunit_Entity (Unum))
|
|
|
966 then
|
|
|
967 Body_Fname :=
|
|
|
968 Get_File_Name
|
|
|
969 (Uname => Get_Body_Name (Uname),
|
|
|
970 Subunit => False,
|
|
|
971 May_Fail => True);
|
|
|
972
|
|
|
973 Body_Index := Get_Unit_Index (Get_Body_Name (Uname));
|
|
111
|
974
|
|
131
|
975 if Body_Fname = No_File then
|
|
|
976 Body_Fname := Get_File_Name (Uname, Subunit => False);
|
|
|
977 Body_Index := Get_Unit_Index (Uname);
|
|
|
978 end if;
|
|
|
979
|
|
|
980 -- In the normal path we don't allow failure in fetching the
|
|
|
981 -- name of the desired body unit so that it may be properly
|
|
|
982 -- referenced in the output ali - even if it is missing.
|
|
111
|
983
|
|
131
|
984 else
|
|
|
985 Body_Fname :=
|
|
|
986 Get_File_Name
|
|
|
987 (Uname => Get_Body_Name (Uname),
|
|
|
988 Subunit => False,
|
|
|
989 May_Fail => False);
|
|
|
990
|
|
|
991 Body_Index := Get_Unit_Index (Get_Body_Name (Uname));
|
|
111
|
992 end if;
|
|
|
993 else
|
|
|
994 Body_Fname := Get_File_Name (Uname, Subunit => False);
|
|
|
995 Body_Index := Get_Unit_Index (Uname);
|
|
|
996 end if;
|
|
|
997
|
|
|
998 -- A package is considered to have a body if it requires
|
|
|
999 -- a body or if a body is present in Ada 83 mode.
|
|
|
1000
|
|
|
1001 if Body_Required (Cunit)
|
|
|
1002 or else (Ada_Version = Ada_83
|
|
|
1003 and then Full_Source_Name (Body_Fname) /= No_File)
|
|
|
1004 then
|
|
|
1005 Write_With_File_Names (Body_Fname, Body_Index);
|
|
|
1006 else
|
|
|
1007 Write_With_File_Names (Fname, Munit_Index (Unum));
|
|
|
1008 end if;
|
|
|
1009
|
|
|
1010 if Ekind (Cunit_Entity (Unum)) = E_Package
|
|
|
1011 and then From_Limited_With (Cunit_Entity (Unum))
|
|
|
1012 then
|
|
|
1013 null;
|
|
|
1014 else
|
|
|
1015 if Elab_Flags (Unum) then
|
|
|
1016 Write_Info_Str (" E");
|
|
|
1017 end if;
|
|
|
1018
|
|
|
1019 if Elab_All_Flags (Unum) then
|
|
|
1020 Write_Info_Str (" EA");
|
|
|
1021 end if;
|
|
|
1022
|
|
|
1023 if Elab_Des_Flags (Unum) then
|
|
|
1024 Write_Info_Str (" ED");
|
|
|
1025 end if;
|
|
|
1026
|
|
|
1027 if Elab_All_Des_Flags (Unum) then
|
|
|
1028 Write_Info_Str (" AD");
|
|
|
1029 end if;
|
|
|
1030 end if;
|
|
|
1031 end if;
|
|
|
1032
|
|
|
1033 Write_Info_EOL;
|
|
|
1034
|
|
|
1035 <<Next_With_Line>>
|
|
|
1036 null;
|
|
|
1037 end loop;
|
|
|
1038
|
|
|
1039 -- Finally generate the special lines for cases of Restriction_Set
|
|
|
1040 -- with No_Dependence and no restriction present.
|
|
|
1041
|
|
|
1042 declare
|
|
|
1043 Unam : Unit_Name_Type;
|
|
|
1044
|
|
|
1045 begin
|
|
|
1046 for J in Restriction_Set_Dependences.First ..
|
|
|
1047 Restriction_Set_Dependences.Last
|
|
|
1048 loop
|
|
|
1049 Unam := Restriction_Set_Dependences.Table (J);
|
|
|
1050
|
|
|
1051 -- Don't need an entry if already in the unit table
|
|
|
1052
|
|
|
1053 for U in 0 .. Last_Unit loop
|
|
|
1054 if Unit_Name (U) = Unam then
|
|
|
1055 goto Next_Restriction_Set;
|
|
|
1056 end if;
|
|
|
1057 end loop;
|
|
|
1058
|
|
|
1059 -- Otherwise generate the entry
|
|
|
1060
|
|
|
1061 Write_Info_Initiate ('W');
|
|
|
1062 Write_Info_Char (' ');
|
|
|
1063 Write_Info_Name (Unam);
|
|
|
1064 Write_Info_EOL;
|
|
|
1065
|
|
|
1066 <<Next_Restriction_Set>>
|
|
|
1067 null;
|
|
|
1068 end loop;
|
|
|
1069 end;
|
|
|
1070 end Write_With_Lines;
|
|
|
1071
|
|
|
1072 -- Start of processing for Write_ALI
|
|
|
1073
|
|
|
1074 begin
|
|
|
1075 -- We never write an ALI file if the original operating mode was
|
|
|
1076 -- syntax-only (-gnats switch used in compiler invocation line)
|
|
|
1077
|
|
131
|
1078 if Original_Operating_Mode = Check_Syntax then
|
|
111
|
1079 return;
|
|
|
1080 end if;
|
|
|
1081
|
|
|
1082 -- Generation of ALI files may be disabled, e.g. for formal verification
|
|
|
1083 -- back-end.
|
|
|
1084
|
|
|
1085 if Disable_ALI_File then
|
|
|
1086 return;
|
|
|
1087 end if;
|
|
|
1088
|
|
|
1089 -- Build sorted source dependency table. We do this right away, because
|
|
|
1090 -- it is referenced by Up_To_Date_ALI_File_Exists.
|
|
|
1091
|
|
|
1092 for Unum in Units.First .. Last_Unit loop
|
|
|
1093 if Cunit_Entity (Unum) = Empty
|
|
|
1094 or else not From_Limited_With (Cunit_Entity (Unum))
|
|
|
1095 then
|
|
|
1096 -- Units that are not analyzed need not appear in the dependency
|
|
|
1097 -- list. These units are either units appearing in limited_with
|
|
|
1098 -- clauses of other units, or units loaded for inlining that end
|
|
|
1099 -- up not inlined by a later decision of the inlining code, to
|
|
|
1100 -- prevent circularities. We want to exclude these files from the
|
|
|
1101 -- list of dependencies, so that the dependency number of other
|
|
|
1102 -- is correctly set, as that number is used by cross-reference
|
|
|
1103 -- tools to relate entity information to the unit in which they
|
|
|
1104 -- are declared.
|
|
|
1105
|
|
|
1106 if Present (Cunit_Entity (Unum))
|
|
|
1107 and then Ekind (Cunit_Entity (Unum)) = E_Void
|
|
|
1108 and then Nkind (Unit (Cunit (Unum))) /= N_Subunit
|
|
|
1109 and then Serious_Errors_Detected = 0
|
|
|
1110 then
|
|
|
1111 null;
|
|
|
1112
|
|
|
1113 else
|
|
|
1114 Num_Sdep := Num_Sdep + 1;
|
|
|
1115 Sdep_Table (Num_Sdep) := Unum;
|
|
|
1116 end if;
|
|
|
1117 end if;
|
|
|
1118 end loop;
|
|
|
1119
|
|
|
1120 -- Sort the table so that the D lines are in order
|
|
|
1121
|
|
|
1122 Lib.Sort (Sdep_Table (1 .. Num_Sdep));
|
|
|
1123
|
|
|
1124 -- If we are not generating code, and there is an up to date ALI file
|
|
|
1125 -- file accessible, read it, and acquire the compilation arguments from
|
|
|
1126 -- this file. In GNATprove mode, always generate the ALI file, which
|
|
|
1127 -- contains a special section for formal verification.
|
|
|
1128
|
|
|
1129 if Operating_Mode /= Generate_Code and then not GNATprove_Mode then
|
|
|
1130 if Up_To_Date_ALI_File_Exists then
|
|
|
1131 Update_Tables_From_ALI_File;
|
|
|
1132 return;
|
|
|
1133 end if;
|
|
|
1134 end if;
|
|
|
1135
|
|
|
1136 -- Otherwise acquire compilation arguments and prepare to write out a
|
|
|
1137 -- new ali file.
|
|
|
1138
|
|
|
1139 Create_Output_Library_Info;
|
|
|
1140
|
|
|
1141 -- Output version line
|
|
|
1142
|
|
|
1143 Write_Info_Initiate ('V');
|
|
|
1144 Write_Info_Str (" """);
|
|
|
1145 Write_Info_Str (Verbose_Library_Version);
|
|
|
1146 Write_Info_Char ('"');
|
|
|
1147
|
|
|
1148 Write_Info_EOL;
|
|
|
1149
|
|
|
1150 -- Output main program line if this is acceptable main program
|
|
|
1151
|
|
|
1152 Output_Main_Program_Line : declare
|
|
|
1153 U : Node_Id := Unit (Units.Table (Main_Unit).Cunit);
|
|
|
1154 S : Node_Id;
|
|
|
1155
|
|
|
1156 procedure M_Parameters;
|
|
|
1157 -- Output parameters for main program line
|
|
|
1158
|
|
|
1159 ------------------
|
|
|
1160 -- M_Parameters --
|
|
|
1161 ------------------
|
|
|
1162
|
|
|
1163 procedure M_Parameters is
|
|
|
1164 begin
|
|
|
1165 if Main_Priority (Main_Unit) /= Default_Main_Priority then
|
|
|
1166 Write_Info_Char (' ');
|
|
|
1167 Write_Info_Nat (Main_Priority (Main_Unit));
|
|
|
1168 end if;
|
|
|
1169
|
|
|
1170 if Opt.Time_Slice_Set then
|
|
|
1171 Write_Info_Str (" T=");
|
|
|
1172 Write_Info_Nat (Opt.Time_Slice_Value);
|
|
|
1173 end if;
|
|
|
1174
|
|
|
1175 if Main_CPU (Main_Unit) /= Default_Main_CPU then
|
|
|
1176 Write_Info_Str (" C=");
|
|
|
1177 Write_Info_Nat (Main_CPU (Main_Unit));
|
|
|
1178 end if;
|
|
|
1179
|
|
|
1180 Write_Info_Str (" W=");
|
|
|
1181 Write_Info_Char
|
|
|
1182 (WC_Encoding_Letters (Wide_Character_Encoding_Method));
|
|
|
1183
|
|
|
1184 Write_Info_EOL;
|
|
|
1185 end M_Parameters;
|
|
|
1186
|
|
|
1187 -- Start of processing for Output_Main_Program_Line
|
|
|
1188
|
|
|
1189 begin
|
|
|
1190 if Nkind (U) = N_Subprogram_Body
|
|
|
1191 or else
|
|
|
1192 (Nkind (U) = N_Package_Body
|
|
|
1193 and then
|
|
|
1194 Nkind (Original_Node (U)) in N_Subprogram_Instantiation)
|
|
|
1195 then
|
|
|
1196 -- If the unit is a subprogram instance, the entity for the
|
|
|
1197 -- subprogram is the alias of the visible entity, which is the
|
|
|
1198 -- related instance of the wrapper package. We retrieve the
|
|
|
1199 -- subprogram declaration of the desired entity.
|
|
|
1200
|
|
|
1201 if Nkind (U) = N_Package_Body then
|
|
|
1202 U := Parent (Parent (
|
|
|
1203 Alias (Related_Instance (Defining_Unit_Name
|
|
|
1204 (Specification (Unit (Library_Unit (Parent (U)))))))));
|
|
|
1205 end if;
|
|
|
1206
|
|
|
1207 S := Specification (U);
|
|
|
1208
|
|
|
1209 -- A generic subprogram is never a main program
|
|
|
1210
|
|
|
1211 if Nkind (U) = N_Subprogram_Body
|
|
|
1212 and then Present (Corresponding_Spec (U))
|
|
|
1213 and then
|
|
|
1214 Ekind_In (Corresponding_Spec (U), E_Generic_Procedure,
|
|
|
1215 E_Generic_Function)
|
|
|
1216 then
|
|
|
1217 null;
|
|
|
1218
|
|
|
1219 elsif No (Parameter_Specifications (S)) then
|
|
|
1220 if Nkind (S) = N_Procedure_Specification then
|
|
|
1221 Write_Info_Initiate ('M');
|
|
|
1222 Write_Info_Str (" P");
|
|
|
1223 M_Parameters;
|
|
|
1224
|
|
|
1225 else
|
|
|
1226 declare
|
|
|
1227 Nam : Node_Id := Defining_Unit_Name (S);
|
|
|
1228
|
|
|
1229 begin
|
|
|
1230 -- If it is a child unit, get its simple name
|
|
|
1231
|
|
|
1232 if Nkind (Nam) = N_Defining_Program_Unit_Name then
|
|
|
1233 Nam := Defining_Identifier (Nam);
|
|
|
1234 end if;
|
|
|
1235
|
|
|
1236 if Is_Integer_Type (Etype (Nam)) then
|
|
|
1237 Write_Info_Initiate ('M');
|
|
|
1238 Write_Info_Str (" F");
|
|
|
1239 M_Parameters;
|
|
|
1240 end if;
|
|
|
1241 end;
|
|
|
1242 end if;
|
|
|
1243 end if;
|
|
|
1244 end if;
|
|
|
1245 end Output_Main_Program_Line;
|
|
|
1246
|
|
|
1247 -- Write command argument ('A') lines
|
|
|
1248
|
|
|
1249 for A in 1 .. Compilation_Switches.Last loop
|
|
|
1250 Write_Info_Initiate ('A');
|
|
|
1251 Write_Info_Char (' ');
|
|
|
1252 Write_Info_Str (Compilation_Switches.Table (A).all);
|
|
|
1253 Write_Info_Terminate;
|
|
|
1254 end loop;
|
|
|
1255
|
|
|
1256 -- Output parameters ('P') line
|
|
|
1257
|
|
|
1258 Write_Info_Initiate ('P');
|
|
|
1259
|
|
|
1260 if Compilation_Errors then
|
|
|
1261 Write_Info_Str (" CE");
|
|
|
1262 end if;
|
|
|
1263
|
|
|
1264 if Opt.Detect_Blocking then
|
|
|
1265 Write_Info_Str (" DB");
|
|
|
1266 end if;
|
|
|
1267
|
|
|
1268 if Tasking_Used and then not Is_Predefined_Unit (Main_Unit) then
|
|
|
1269 if Locking_Policy /= ' ' then
|
|
|
1270 Write_Info_Str (" L");
|
|
|
1271 Write_Info_Char (Locking_Policy);
|
|
|
1272 end if;
|
|
|
1273
|
|
|
1274 if Queuing_Policy /= ' ' then
|
|
|
1275 Write_Info_Str (" Q");
|
|
|
1276 Write_Info_Char (Queuing_Policy);
|
|
|
1277 end if;
|
|
|
1278
|
|
|
1279 if Task_Dispatching_Policy /= ' ' then
|
|
|
1280 Write_Info_Str (" T");
|
|
|
1281 Write_Info_Char (Task_Dispatching_Policy);
|
|
|
1282 Write_Info_Char (' ');
|
|
|
1283 end if;
|
|
|
1284 end if;
|
|
|
1285
|
|
|
1286 if GNATprove_Mode then
|
|
|
1287 Write_Info_Str (" GP");
|
|
|
1288 end if;
|
|
|
1289
|
|
|
1290 if Partition_Elaboration_Policy /= ' ' then
|
|
|
1291 Write_Info_Str (" E");
|
|
|
1292 Write_Info_Char (Partition_Elaboration_Policy);
|
|
|
1293 end if;
|
|
|
1294
|
|
|
1295 if No_Component_Reordering_Config then
|
|
|
1296 Write_Info_Str (" NC");
|
|
|
1297 end if;
|
|
|
1298
|
|
|
1299 if not Object then
|
|
|
1300 Write_Info_Str (" NO");
|
|
|
1301 end if;
|
|
|
1302
|
|
|
1303 if No_Run_Time_Mode then
|
|
|
1304 Write_Info_Str (" NR");
|
|
|
1305 end if;
|
|
|
1306
|
|
|
1307 if Normalize_Scalars then
|
|
|
1308 Write_Info_Str (" NS");
|
|
|
1309 end if;
|
|
|
1310
|
|
|
1311 if Default_SSO_Config /= ' ' then
|
|
|
1312 Write_Info_Str (" O");
|
|
|
1313 Write_Info_Char (Default_SSO_Config);
|
|
|
1314 end if;
|
|
|
1315
|
|
|
1316 if Sec_Stack_Used then
|
|
|
1317 Write_Info_Str (" SS");
|
|
|
1318 end if;
|
|
|
1319
|
|
|
1320 if Unreserve_All_Interrupts then
|
|
|
1321 Write_Info_Str (" UA");
|
|
|
1322 end if;
|
|
|
1323
|
|
|
1324 if Front_End_Exceptions then
|
|
|
1325 Write_Info_Str (" FX");
|
|
|
1326 end if;
|
|
|
1327
|
|
|
1328 if ZCX_Exceptions then
|
|
|
1329 Write_Info_Str (" ZX");
|
|
|
1330 end if;
|
|
|
1331
|
|
|
1332 Write_Info_EOL;
|
|
|
1333
|
|
|
1334 -- Before outputting the restrictions line, update the setting of
|
|
|
1335 -- the No_Elaboration_Code flag. Violations of this restriction
|
|
|
1336 -- cannot be detected until after the backend has been called since
|
|
|
1337 -- it is the backend that sets this flag. We have to check all units
|
|
|
1338 -- for which we have generated code
|
|
|
1339
|
|
|
1340 for Unit in Units.First .. Last_Unit loop
|
|
|
1341 if Units.Table (Unit).Generate_Code or else Unit = Main_Unit then
|
|
|
1342 if not Has_No_Elaboration_Code (Cunit (Unit)) then
|
|
|
1343 Main_Restrictions.Violated (No_Elaboration_Code) := True;
|
|
|
1344 end if;
|
|
|
1345 end if;
|
|
|
1346 end loop;
|
|
|
1347
|
|
|
1348 -- Positional case (only if debug flag -gnatd.R is set)
|
|
|
1349
|
|
|
1350 if Debug_Flag_Dot_RR then
|
|
|
1351
|
|
|
1352 -- Output first restrictions line
|
|
|
1353
|
|
|
1354 Write_Info_Initiate ('R');
|
|
|
1355 Write_Info_Char (' ');
|
|
|
1356
|
|
|
1357 -- First the information for the boolean restrictions
|
|
|
1358
|
|
|
1359 for R in All_Boolean_Restrictions loop
|
|
|
1360 if Main_Restrictions.Set (R)
|
|
|
1361 and then not Restriction_Warnings (R)
|
|
|
1362 then
|
|
|
1363 Write_Info_Char ('r');
|
|
|
1364 elsif Main_Restrictions.Violated (R) then
|
|
|
1365 Write_Info_Char ('v');
|
|
|
1366 else
|
|
|
1367 Write_Info_Char ('n');
|
|
|
1368 end if;
|
|
|
1369 end loop;
|
|
|
1370
|
|
|
1371 -- And now the information for the parameter restrictions
|
|
|
1372
|
|
|
1373 for RP in All_Parameter_Restrictions loop
|
|
|
1374 if Main_Restrictions.Set (RP)
|
|
|
1375 and then not Restriction_Warnings (RP)
|
|
|
1376 then
|
|
|
1377 Write_Info_Char ('r');
|
|
|
1378 Write_Info_Nat (Nat (Main_Restrictions.Value (RP)));
|
|
|
1379 else
|
|
|
1380 Write_Info_Char ('n');
|
|
|
1381 end if;
|
|
|
1382
|
|
|
1383 if not Main_Restrictions.Violated (RP)
|
|
|
1384 or else RP not in Checked_Parameter_Restrictions
|
|
|
1385 then
|
|
|
1386 Write_Info_Char ('n');
|
|
|
1387 else
|
|
|
1388 Write_Info_Char ('v');
|
|
|
1389 Write_Info_Nat (Nat (Main_Restrictions.Count (RP)));
|
|
|
1390
|
|
|
1391 if Main_Restrictions.Unknown (RP) then
|
|
|
1392 Write_Info_Char ('+');
|
|
|
1393 end if;
|
|
|
1394 end if;
|
|
|
1395 end loop;
|
|
|
1396
|
|
|
1397 Write_Info_EOL;
|
|
|
1398
|
|
|
1399 -- Named case (if debug flag -gnatd.R is not set)
|
|
|
1400
|
|
|
1401 else
|
|
|
1402 declare
|
|
|
1403 C : Character;
|
|
|
1404
|
|
|
1405 begin
|
|
|
1406 -- Write RN header line with preceding blank line
|
|
|
1407
|
|
|
1408 Write_Info_EOL;
|
|
|
1409 Write_Info_Initiate ('R');
|
|
|
1410 Write_Info_Char ('N');
|
|
|
1411 Write_Info_EOL;
|
|
|
1412
|
|
|
1413 -- First the lines for the boolean restrictions
|
|
|
1414
|
|
|
1415 for R in All_Boolean_Restrictions loop
|
|
|
1416 if Main_Restrictions.Set (R)
|
|
|
1417 and then not Restriction_Warnings (R)
|
|
|
1418 then
|
|
|
1419 C := 'R';
|
|
|
1420 elsif Main_Restrictions.Violated (R) then
|
|
|
1421 C := 'V';
|
|
|
1422 else
|
|
|
1423 goto Continue;
|
|
|
1424 end if;
|
|
|
1425
|
|
|
1426 Write_Info_Initiate ('R');
|
|
|
1427 Write_Info_Char (C);
|
|
|
1428 Write_Info_Char (' ');
|
|
|
1429 Write_Info_Str (All_Boolean_Restrictions'Image (R));
|
|
|
1430 Write_Info_EOL;
|
|
|
1431
|
|
|
1432 <<Continue>>
|
|
|
1433 null;
|
|
|
1434 end loop;
|
|
|
1435 end;
|
|
|
1436
|
|
|
1437 -- And now the lines for the parameter restrictions
|
|
|
1438
|
|
|
1439 for RP in All_Parameter_Restrictions loop
|
|
|
1440 if Main_Restrictions.Set (RP)
|
|
|
1441 and then not Restriction_Warnings (RP)
|
|
|
1442 then
|
|
|
1443 Write_Info_Initiate ('R');
|
|
|
1444 Write_Info_Str ("R ");
|
|
|
1445 Write_Info_Str (All_Parameter_Restrictions'Image (RP));
|
|
|
1446 Write_Info_Char ('=');
|
|
|
1447 Write_Info_Nat (Nat (Main_Restrictions.Value (RP)));
|
|
|
1448 Write_Info_EOL;
|
|
|
1449 end if;
|
|
|
1450
|
|
|
1451 if not Main_Restrictions.Violated (RP)
|
|
|
1452 or else RP not in Checked_Parameter_Restrictions
|
|
|
1453 then
|
|
|
1454 null;
|
|
|
1455 else
|
|
|
1456 Write_Info_Initiate ('R');
|
|
|
1457 Write_Info_Str ("V ");
|
|
|
1458 Write_Info_Str (All_Parameter_Restrictions'Image (RP));
|
|
|
1459 Write_Info_Char ('=');
|
|
|
1460 Write_Info_Nat (Nat (Main_Restrictions.Count (RP)));
|
|
|
1461
|
|
|
1462 if Main_Restrictions.Unknown (RP) then
|
|
|
1463 Write_Info_Char ('+');
|
|
|
1464 end if;
|
|
|
1465
|
|
|
1466 Write_Info_EOL;
|
|
|
1467 end if;
|
|
|
1468 end loop;
|
|
|
1469 end if;
|
|
|
1470
|
|
|
1471 -- Output R lines for No_Dependence entries
|
|
|
1472
|
|
|
1473 for J in No_Dependences.First .. No_Dependences.Last loop
|
|
|
1474 if In_Extended_Main_Source_Unit (No_Dependences.Table (J).Unit)
|
|
|
1475 and then not No_Dependences.Table (J).Warn
|
|
|
1476 then
|
|
|
1477 Write_Info_Initiate ('R');
|
|
|
1478 Write_Info_Char (' ');
|
|
|
1479 Write_Unit_Name (No_Dependences.Table (J).Unit);
|
|
|
1480 Write_Info_EOL;
|
|
|
1481 end if;
|
|
|
1482 end loop;
|
|
|
1483
|
|
|
1484 -- Output interrupt state lines
|
|
|
1485
|
|
|
1486 for J in Interrupt_States.First .. Interrupt_States.Last loop
|
|
|
1487 Write_Info_Initiate ('I');
|
|
|
1488 Write_Info_Char (' ');
|
|
|
1489 Write_Info_Nat (Interrupt_States.Table (J).Interrupt_Number);
|
|
|
1490 Write_Info_Char (' ');
|
|
|
1491 Write_Info_Char (Interrupt_States.Table (J).Interrupt_State);
|
|
|
1492 Write_Info_Char (' ');
|
|
|
1493 Write_Info_Nat
|
|
|
1494 (Nat (Get_Logical_Line_Number
|
|
|
1495 (Interrupt_States.Table (J).Pragma_Loc)));
|
|
|
1496 Write_Info_EOL;
|
|
|
1497 end loop;
|
|
|
1498
|
|
|
1499 -- Output priority specific dispatching lines
|
|
|
1500
|
|
|
1501 for J in Specific_Dispatching.First .. Specific_Dispatching.Last loop
|
|
|
1502 Write_Info_Initiate ('S');
|
|
|
1503 Write_Info_Char (' ');
|
|
|
1504 Write_Info_Char (Specific_Dispatching.Table (J).Dispatching_Policy);
|
|
|
1505 Write_Info_Char (' ');
|
|
|
1506 Write_Info_Nat (Specific_Dispatching.Table (J).First_Priority);
|
|
|
1507 Write_Info_Char (' ');
|
|
|
1508 Write_Info_Nat (Specific_Dispatching.Table (J).Last_Priority);
|
|
|
1509 Write_Info_Char (' ');
|
|
|
1510 Write_Info_Nat
|
|
|
1511 (Nat (Get_Logical_Line_Number
|
|
|
1512 (Specific_Dispatching.Table (J).Pragma_Loc)));
|
|
|
1513 Write_Info_EOL;
|
|
|
1514 end loop;
|
|
|
1515
|
|
|
1516 -- Loop through file table to output information for all units for which
|
|
|
1517 -- we have generated code, as marked by the Generate_Code flag.
|
|
|
1518
|
|
|
1519 for Unit in Units.First .. Last_Unit loop
|
|
|
1520 if Units.Table (Unit).Generate_Code
|
|
|
1521 or else Unit = Main_Unit
|
|
|
1522 then
|
|
|
1523 Write_Info_EOL; -- blank line
|
|
|
1524 Write_Unit_Information (Unit);
|
|
|
1525 end if;
|
|
|
1526 end loop;
|
|
|
1527
|
|
|
1528 Write_Info_EOL; -- blank line
|
|
|
1529
|
|
|
1530 -- Output external version reference lines
|
|
|
1531
|
|
|
1532 for J in 1 .. Version_Ref.Last loop
|
|
|
1533 Write_Info_Initiate ('E');
|
|
|
1534 Write_Info_Char (' ');
|
|
|
1535
|
|
|
1536 for K in 1 .. String_Length (Version_Ref.Table (J)) loop
|
|
|
1537 Write_Info_Char_Code (Get_String_Char (Version_Ref.Table (J), K));
|
|
|
1538 end loop;
|
|
|
1539
|
|
|
1540 Write_Info_EOL;
|
|
|
1541 end loop;
|
|
|
1542
|
|
|
1543 -- Prepare to output the source dependency lines
|
|
|
1544
|
|
|
1545 declare
|
|
|
1546 Unum : Unit_Number_Type;
|
|
|
1547 -- Number of unit being output
|
|
|
1548
|
|
|
1549 Sind : Source_File_Index;
|
|
|
1550 -- Index of corresponding source file
|
|
|
1551
|
|
|
1552 Fname : File_Name_Type;
|
|
|
1553
|
|
|
1554 begin
|
|
|
1555 for J in 1 .. Num_Sdep loop
|
|
|
1556 Unum := Sdep_Table (J);
|
|
|
1557 Units.Table (Unum).Dependency_Num := J;
|
|
|
1558 Sind := Units.Table (Unum).Source_Index;
|
|
|
1559
|
|
|
1560 Write_Info_Initiate ('D');
|
|
|
1561 Write_Info_Char (' ');
|
|
|
1562
|
|
|
1563 -- Normal case of a unit entry with a source index
|
|
|
1564
|
|
|
1565 if Sind > No_Source_File then
|
|
131
|
1566 -- We never want directory information in ALI files
|
|
|
1567 -- ???But back out this change temporarily until
|
|
|
1568 -- gprbuild is fixed.
|
|
111
|
1569
|
|
131
|
1570 if False then
|
|
|
1571 Fname := Strip_Directory (File_Name (Sind));
|
|
|
1572 else
|
|
|
1573 Fname := File_Name (Sind);
|
|
|
1574 end if;
|
|
|
1575
|
|
|
1576 -- Ensure that on platforms where the file names are not
|
|
|
1577 -- case sensitive, the recorded file name is in lower case.
|
|
111
|
1578
|
|
|
1579 if not File_Names_Case_Sensitive then
|
|
|
1580 Get_Name_String (Fname);
|
|
|
1581 To_Lower (Name_Buffer (1 .. Name_Len));
|
|
|
1582 Fname := Name_Find;
|
|
|
1583 end if;
|
|
|
1584
|
|
|
1585 Write_Info_Name_May_Be_Quoted (Fname);
|
|
|
1586 Write_Info_Tab (25);
|
|
|
1587 Write_Info_Str (String (Time_Stamp (Sind)));
|
|
|
1588 Write_Info_Char (' ');
|
|
|
1589 Write_Info_Str (Get_Hex_String (Source_Checksum (Sind)));
|
|
|
1590
|
|
|
1591 -- If the dependency comes from a limited_with clause, record
|
|
|
1592 -- limited_checksum. This is disabled until full checksum
|
|
|
1593 -- changes are checked.
|
|
|
1594
|
|
|
1595 -- if Present (Cunit_Entity (Unum))
|
|
|
1596 -- and then From_Limited_With (Cunit_Entity (Unum))
|
|
|
1597 -- then
|
|
|
1598 -- Write_Info_Char (' ');
|
|
|
1599 -- Write_Info_Char ('Y');
|
|
|
1600 -- Write_Info_Str (Get_Hex_String (Limited_Chk_Sum (Sind)));
|
|
|
1601 -- end if;
|
|
|
1602
|
|
|
1603 -- If subunit, add unit name, omitting the %b at the end
|
|
|
1604
|
|
|
1605 if Present (Cunit (Unum)) then
|
|
|
1606 Get_Decoded_Name_String (Unit_Name (Unum));
|
|
|
1607 Write_Info_Char (' ');
|
|
|
1608
|
|
|
1609 if Nkind (Unit (Cunit (Unum))) = N_Subunit then
|
|
|
1610 Write_Info_Str (Name_Buffer (1 .. Name_Len - 2));
|
|
|
1611 else
|
|
|
1612 Write_Info_Str (Name_Buffer (1 .. Name_Len));
|
|
|
1613 end if;
|
|
|
1614 end if;
|
|
|
1615
|
|
|
1616 -- If Source_Reference pragma used, output information
|
|
|
1617
|
|
|
1618 if Num_SRef_Pragmas (Sind) > 0 then
|
|
|
1619 Write_Info_Char (' ');
|
|
|
1620
|
|
|
1621 if Num_SRef_Pragmas (Sind) = 1 then
|
|
|
1622 Write_Info_Nat (Int (First_Mapped_Line (Sind)));
|
|
|
1623 else
|
|
|
1624 Write_Info_Nat (0);
|
|
|
1625 end if;
|
|
|
1626
|
|
|
1627 Write_Info_Char (':');
|
|
|
1628 Write_Info_Name (Reference_Name (Sind));
|
|
|
1629 end if;
|
|
|
1630
|
|
|
1631 -- Case where there is no source index (happens for missing
|
|
|
1632 -- files). In this case we write a dummy time stamp.
|
|
|
1633
|
|
|
1634 else
|
|
|
1635 Write_Info_Name (Unit_File_Name (Unum));
|
|
|
1636 Write_Info_Tab (25);
|
|
|
1637 Write_Info_Str (String (Dummy_Time_Stamp));
|
|
|
1638 Write_Info_Char (' ');
|
|
|
1639 Write_Info_Str (Get_Hex_String (0));
|
|
|
1640 end if;
|
|
|
1641
|
|
|
1642 Write_Info_EOL;
|
|
|
1643 end loop;
|
|
|
1644 end;
|
|
|
1645
|
|
|
1646 -- Output cross-references
|
|
|
1647
|
|
|
1648 if Opt.Xref_Active then
|
|
|
1649 Output_References;
|
|
|
1650 end if;
|
|
|
1651
|
|
|
1652 -- Output SCO information if present
|
|
|
1653
|
|
|
1654 if Generate_SCO then
|
|
|
1655 SCO_Record_Filtered;
|
|
|
1656 SCO_Output;
|
|
|
1657 end if;
|
|
|
1658
|
|
|
1659 -- Output final blank line and we are done. This final blank line is
|
|
|
1660 -- probably junk, but we don't feel like making an incompatible change.
|
|
|
1661
|
|
|
1662 Write_Info_Terminate;
|
|
|
1663 Close_Output_Library_Info;
|
|
|
1664 end Write_ALI;
|
|
|
1665
|
|
|
1666 ---------------------
|
|
|
1667 -- Write_Unit_Name --
|
|
|
1668 ---------------------
|
|
|
1669
|
|
|
1670 procedure Write_Unit_Name (N : Node_Id) is
|
|
|
1671 begin
|
|
|
1672 if Nkind (N) = N_Identifier then
|
|
|
1673 Write_Info_Name (Chars (N));
|
|
|
1674
|
|
|
1675 else
|
|
|
1676 pragma Assert (Nkind (N) = N_Selected_Component);
|
|
|
1677 Write_Unit_Name (Prefix (N));
|
|
|
1678 Write_Info_Char ('.');
|
|
|
1679 Write_Unit_Name (Selector_Name (N));
|
|
|
1680 end if;
|
|
|
1681 end Write_Unit_Name;
|
|
|
1682
|
|
|
1683 end Lib.Writ;
|
