/usr/share/ada/adainclude/gnatprj/prj-conf.adb is in libgnatprj4.6-dev 4.6.3-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 | ------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P R J . C O N F --
-- --
-- B o d y --
-- --
-- Copyright (C) 2006-2010, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Hostparm;
with Makeutl; use Makeutl;
with MLib.Tgt;
with Opt; use Opt;
with Output; use Output;
with Prj.Env;
with Prj.Err;
with Prj.Part;
with Prj.PP;
with Prj.Proc; use Prj.Proc;
with Prj.Tree; use Prj.Tree;
with Prj.Util; use Prj.Util;
with Prj; use Prj;
with Snames; use Snames;
with Ada.Directories; use Ada.Directories;
with Ada.Exceptions; use Ada.Exceptions;
with GNAT.Case_Util; use GNAT.Case_Util;
with GNAT.HTable; use GNAT.HTable;
package body Prj.Conf is
Auto_Cgpr : constant String := "auto.cgpr";
Default_Name : constant String := "default.cgpr";
-- Default configuration file that will be used if found
Config_Project_Env_Var : constant String := "GPR_CONFIG";
-- Name of the environment variable that provides the name of the
-- configuration file to use.
Gprconfig_Name : constant String := "gprconfig";
package RTS_Languages is new GNAT.HTable.Simple_HTable
(Header_Num => Prj.Header_Num,
Element => Name_Id,
No_Element => No_Name,
Key => Name_Id,
Hash => Prj.Hash,
Equal => "=");
-- Stores the runtime names for the various languages. This is in general
-- set from a --RTS command line option.
-----------------------
-- Local_Subprograms --
-----------------------
procedure Add_Attributes
(Project_Tree : Project_Tree_Ref;
Conf_Decl : Declarations;
User_Decl : in out Declarations);
-- Process the attributes in the config declarations.
-- For single string values, if the attribute is not declared in the user
-- declarations, declare it with the value in the config declarations.
-- For string list values, prepend the value in the user declarations with
-- the value in the config declarations.
function Check_Target
(Config_File : Prj.Project_Id;
Autoconf_Specified : Boolean;
Project_Tree : Prj.Project_Tree_Ref;
Target : String := "") return Boolean;
-- Check that the config file's target matches Target.
-- Target should be set to the empty string when the user did not specify
-- a target. If the target in the configuration file is invalid, this
-- function will raise Invalid_Config with an appropriate message.
-- Autoconf_Specified should be set to True if the user has used
-- autoconf.
function Locate_Config_File (Name : String) return String_Access;
-- Search for Name in the config files directory. Return full path if
-- found, or null otherwise.
procedure Raise_Invalid_Config (Msg : String);
pragma No_Return (Raise_Invalid_Config);
-- Raises exception Invalid_Config with given message
--------------------
-- Add_Attributes --
--------------------
procedure Add_Attributes
(Project_Tree : Project_Tree_Ref;
Conf_Decl : Declarations;
User_Decl : in out Declarations)
is
Conf_Attr_Id : Variable_Id;
Conf_Attr : Variable;
Conf_Array_Id : Array_Id;
Conf_Array : Array_Data;
Conf_Array_Elem_Id : Array_Element_Id;
Conf_Array_Elem : Array_Element;
Conf_List : String_List_Id;
Conf_List_Elem : String_Element;
User_Attr_Id : Variable_Id;
User_Attr : Variable;
User_Array_Id : Array_Id;
User_Array : Array_Data;
User_Array_Elem_Id : Array_Element_Id;
User_Array_Elem : Array_Element;
begin
Conf_Attr_Id := Conf_Decl.Attributes;
User_Attr_Id := User_Decl.Attributes;
while Conf_Attr_Id /= No_Variable loop
Conf_Attr :=
Project_Tree.Variable_Elements.Table (Conf_Attr_Id);
User_Attr :=
Project_Tree.Variable_Elements.Table (User_Attr_Id);
if not Conf_Attr.Value.Default then
if User_Attr.Value.Default then
-- No attribute declared in user project file: just copy the
-- value of the configuration attribute.
User_Attr.Value := Conf_Attr.Value;
Project_Tree.Variable_Elements.Table (User_Attr_Id) :=
User_Attr;
elsif User_Attr.Value.Kind = List
and then Conf_Attr.Value.Values /= Nil_String
then
-- List attribute declared in both the user project and the
-- configuration project: prepend the user list with the
-- configuration list.
declare
Conf_List : String_List_Id := Conf_Attr.Value.Values;
Conf_Elem : String_Element;
User_List : constant String_List_Id :=
User_Attr.Value.Values;
New_List : String_List_Id;
New_Elem : String_Element;
begin
-- Create new list
String_Element_Table.Increment_Last
(Project_Tree.String_Elements);
New_List := String_Element_Table.Last
(Project_Tree.String_Elements);
-- Value of attribute is new list
User_Attr.Value.Values := New_List;
Project_Tree.Variable_Elements.Table (User_Attr_Id) :=
User_Attr;
loop
-- Get each element of configuration list
Conf_Elem :=
Project_Tree.String_Elements.Table (Conf_List);
New_Elem := Conf_Elem;
Conf_List := Conf_Elem.Next;
if Conf_List = Nil_String then
-- If it is the last element in the list, connect to
-- first element of user list, and we are done.
New_Elem.Next := User_List;
Project_Tree.String_Elements.Table
(New_List) := New_Elem;
exit;
else
-- If it is not the last element in the list, add to
-- new list.
String_Element_Table.Increment_Last
(Project_Tree.String_Elements);
New_Elem.Next :=
String_Element_Table.Last
(Project_Tree.String_Elements);
Project_Tree.String_Elements.Table
(New_List) := New_Elem;
New_List := New_Elem.Next;
end if;
end loop;
end;
end if;
end if;
Conf_Attr_Id := Conf_Attr.Next;
User_Attr_Id := User_Attr.Next;
end loop;
Conf_Array_Id := Conf_Decl.Arrays;
while Conf_Array_Id /= No_Array loop
Conf_Array := Project_Tree.Arrays.Table (Conf_Array_Id);
User_Array_Id := User_Decl.Arrays;
while User_Array_Id /= No_Array loop
User_Array := Project_Tree.Arrays.Table (User_Array_Id);
exit when User_Array.Name = Conf_Array.Name;
User_Array_Id := User_Array.Next;
end loop;
-- If this associative array does not exist in the user project file,
-- do a shallow copy of the full associative array.
if User_Array_Id = No_Array then
Array_Table.Increment_Last (Project_Tree.Arrays);
User_Array := Conf_Array;
User_Array.Next := User_Decl.Arrays;
User_Decl.Arrays := Array_Table.Last (Project_Tree.Arrays);
Project_Tree.Arrays.Table (User_Decl.Arrays) := User_Array;
else
-- Otherwise, check each array element
Conf_Array_Elem_Id := Conf_Array.Value;
while Conf_Array_Elem_Id /= No_Array_Element loop
Conf_Array_Elem :=
Project_Tree.Array_Elements.Table (Conf_Array_Elem_Id);
User_Array_Elem_Id := User_Array.Value;
while User_Array_Elem_Id /= No_Array_Element loop
User_Array_Elem :=
Project_Tree.Array_Elements.Table (User_Array_Elem_Id);
exit when User_Array_Elem.Index = Conf_Array_Elem.Index;
User_Array_Elem_Id := User_Array_Elem.Next;
end loop;
-- If the array element does not exist in the user array,
-- insert a shallow copy of the conf array element in the
-- user array.
if User_Array_Elem_Id = No_Array_Element then
Array_Element_Table.Increment_Last
(Project_Tree.Array_Elements);
User_Array_Elem := Conf_Array_Elem;
User_Array_Elem.Next := User_Array.Value;
User_Array.Value :=
Array_Element_Table.Last (Project_Tree.Array_Elements);
Project_Tree.Array_Elements.Table (User_Array.Value) :=
User_Array_Elem;
Project_Tree.Arrays.Table (User_Array_Id) := User_Array;
-- Otherwise, if the value is a string list, prepend the
-- user array element with the conf array element value.
elsif Conf_Array_Elem.Value.Kind = List then
Conf_List := Conf_Array_Elem.Value.Values;
if Conf_List /= Nil_String then
declare
Link : constant String_List_Id :=
User_Array_Elem.Value.Values;
Previous : String_List_Id := Nil_String;
Next : String_List_Id;
begin
loop
Conf_List_Elem :=
Project_Tree.String_Elements.Table
(Conf_List);
String_Element_Table.Increment_Last
(Project_Tree.String_Elements);
Next :=
String_Element_Table.Last
(Project_Tree.String_Elements);
Project_Tree.String_Elements.Table (Next) :=
Conf_List_Elem;
if Previous = Nil_String then
User_Array_Elem.Value.Values := Next;
Project_Tree.Array_Elements.Table
(User_Array_Elem_Id) := User_Array_Elem;
else
Project_Tree.String_Elements.Table
(Previous).Next := Next;
end if;
Previous := Next;
Conf_List := Conf_List_Elem.Next;
if Conf_List = Nil_String then
Project_Tree.String_Elements.Table
(Previous).Next := Link;
exit;
end if;
end loop;
end;
end if;
end if;
Conf_Array_Elem_Id := Conf_Array_Elem.Next;
end loop;
end if;
Conf_Array_Id := Conf_Array.Next;
end loop;
end Add_Attributes;
------------------------------------
-- Add_Default_GNAT_Naming_Scheme --
------------------------------------
procedure Add_Default_GNAT_Naming_Scheme
(Config_File : in out Project_Node_Id;
Project_Tree : Project_Node_Tree_Ref)
is
procedure Create_Attribute
(Name : Name_Id;
Value : String;
Index : String := "";
Pkg : Project_Node_Id := Empty_Node);
----------------------
-- Create_Attribute --
----------------------
procedure Create_Attribute
(Name : Name_Id;
Value : String;
Index : String := "";
Pkg : Project_Node_Id := Empty_Node)
is
Attr : Project_Node_Id;
pragma Unreferenced (Attr);
Expr : Name_Id := No_Name;
Val : Name_Id := No_Name;
Parent : Project_Node_Id := Config_File;
begin
if Index /= "" then
Name_Len := Index'Length;
Name_Buffer (1 .. Name_Len) := Index;
Val := Name_Find;
end if;
if Pkg /= Empty_Node then
Parent := Pkg;
end if;
Name_Len := Value'Length;
Name_Buffer (1 .. Name_Len) := Value;
Expr := Name_Find;
Attr := Create_Attribute
(Tree => Project_Tree,
Prj_Or_Pkg => Parent,
Name => Name,
Index_Name => Val,
Kind => Prj.Single,
Value => Create_Literal_String (Expr, Project_Tree));
end Create_Attribute;
-- Local variables
Name : Name_Id;
Naming : Project_Node_Id;
-- Start of processing for Add_Default_GNAT_Naming_Scheme
begin
if Config_File = Empty_Node then
-- Create a dummy config file is none was found
Name_Len := Auto_Cgpr'Length;
Name_Buffer (1 .. Name_Len) := Auto_Cgpr;
Name := Name_Find;
-- An invalid project name to avoid conflicts with user-created ones
Name_Len := 5;
Name_Buffer (1 .. Name_Len) := "_auto";
Config_File :=
Create_Project
(In_Tree => Project_Tree,
Name => Name_Find,
Full_Path => Path_Name_Type (Name),
Is_Config_File => True);
-- Setup library support
case MLib.Tgt.Support_For_Libraries is
when None =>
null;
when Static_Only =>
Create_Attribute (Name_Library_Support, "static_only");
when Full =>
Create_Attribute (Name_Library_Support, "full");
end case;
if MLib.Tgt.Standalone_Library_Auto_Init_Is_Supported then
Create_Attribute (Name_Library_Auto_Init_Supported, "true");
else
Create_Attribute (Name_Library_Auto_Init_Supported, "false");
end if;
-- Setup Ada support (Ada is the default language here, since this
-- is only called when no config file existed initially, ie for
-- gnatmake).
Create_Attribute (Name_Default_Language, "ada");
Naming := Create_Package (Project_Tree, Config_File, "naming");
Create_Attribute (Name_Spec_Suffix, ".ads", "ada", Pkg => Naming);
Create_Attribute (Name_Separate_Suffix, ".adb", "ada", Pkg => Naming);
Create_Attribute (Name_Body_Suffix, ".adb", "ada", Pkg => Naming);
Create_Attribute (Name_Dot_Replacement, "-", Pkg => Naming);
Create_Attribute (Name_Casing, "lowercase", Pkg => Naming);
if Current_Verbosity = High then
Write_Line ("Automatically generated (in-memory) config file");
Prj.PP.Pretty_Print
(Project => Config_File,
In_Tree => Project_Tree,
Backward_Compatibility => False);
end if;
end if;
end Add_Default_GNAT_Naming_Scheme;
-----------------------
-- Apply_Config_File --
-----------------------
procedure Apply_Config_File
(Config_File : Prj.Project_Id;
Project_Tree : Prj.Project_Tree_Ref)
is
Conf_Decl : constant Declarations := Config_File.Decl;
Conf_Pack_Id : Package_Id;
Conf_Pack : Package_Element;
User_Decl : Declarations;
User_Pack_Id : Package_Id;
User_Pack : Package_Element;
Proj : Project_List;
begin
Proj := Project_Tree.Projects;
while Proj /= null loop
if Proj.Project /= Config_File then
User_Decl := Proj.Project.Decl;
Add_Attributes
(Project_Tree => Project_Tree,
Conf_Decl => Conf_Decl,
User_Decl => User_Decl);
Conf_Pack_Id := Conf_Decl.Packages;
while Conf_Pack_Id /= No_Package loop
Conf_Pack := Project_Tree.Packages.Table (Conf_Pack_Id);
User_Pack_Id := User_Decl.Packages;
while User_Pack_Id /= No_Package loop
User_Pack := Project_Tree.Packages.Table (User_Pack_Id);
exit when User_Pack.Name = Conf_Pack.Name;
User_Pack_Id := User_Pack.Next;
end loop;
if User_Pack_Id = No_Package then
Package_Table.Increment_Last (Project_Tree.Packages);
User_Pack := Conf_Pack;
User_Pack.Next := User_Decl.Packages;
User_Decl.Packages :=
Package_Table.Last (Project_Tree.Packages);
Project_Tree.Packages.Table (User_Decl.Packages) :=
User_Pack;
else
Add_Attributes
(Project_Tree => Project_Tree,
Conf_Decl => Conf_Pack.Decl,
User_Decl => Project_Tree.Packages.Table
(User_Pack_Id).Decl);
end if;
Conf_Pack_Id := Conf_Pack.Next;
end loop;
Proj.Project.Decl := User_Decl;
end if;
Proj := Proj.Next;
end loop;
end Apply_Config_File;
------------------
-- Check_Target --
------------------
function Check_Target
(Config_File : Project_Id;
Autoconf_Specified : Boolean;
Project_Tree : Prj.Project_Tree_Ref;
Target : String := "") return Boolean
is
Variable : constant Variable_Value :=
Value_Of
(Name_Target, Config_File.Decl.Attributes, Project_Tree);
Tgt_Name : Name_Id := No_Name;
OK : Boolean;
begin
if Variable /= Nil_Variable_Value and then not Variable.Default then
Tgt_Name := Variable.Value;
end if;
if Target = "" then
OK := not Autoconf_Specified or else Tgt_Name = No_Name;
else
OK := Tgt_Name /= No_Name
and then Target = Get_Name_String (Tgt_Name);
end if;
if not OK then
if Autoconf_Specified then
if Verbose_Mode then
Write_Line ("inconsistent targets, performing autoconf");
end if;
return False;
else
if Tgt_Name /= No_Name then
Raise_Invalid_Config
("invalid target name """
& Get_Name_String (Tgt_Name) & """ in configuration");
else
Raise_Invalid_Config
("no target specified in configuration file");
end if;
end if;
end if;
return True;
end Check_Target;
--------------------------------------
-- Get_Or_Create_Configuration_File --
--------------------------------------
procedure Get_Or_Create_Configuration_File
(Project : Project_Id;
Project_Tree : Project_Tree_Ref;
Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref;
Allow_Automatic_Generation : Boolean;
Config_File_Name : String := "";
Autoconf_Specified : Boolean;
Target_Name : String := "";
Normalized_Hostname : String;
Packages_To_Check : String_List_Access := null;
Config : out Prj.Project_Id;
Config_File_Path : out String_Access;
Automatically_Generated : out Boolean;
Flags : Processing_Flags;
On_Load_Config : Config_File_Hook := null)
is
At_Least_One_Compiler_Command : Boolean := False;
-- Set to True if at least one attribute Ide'Compiler_Command is
-- specified for one language of the system.
function Default_File_Name return String;
-- Return the name of the default config file that should be tested
procedure Do_Autoconf;
-- Generate a new config file through gprconfig. In case of error, this
-- raises the Invalid_Config exception with an appropriate message
function Get_Config_Switches return Argument_List_Access;
-- Return the --config switches to use for gprconfig
function Might_Have_Sources (Project : Project_Id) return Boolean;
-- True if the specified project might have sources (ie the user has not
-- explicitly specified it. We haven't checked the file system, nor do
-- we need to at this stage.
-----------------------
-- Default_File_Name --
-----------------------
function Default_File_Name return String is
Ada_RTS : constant String := Runtime_Name_For (Name_Ada);
Tmp : String_Access;
begin
if Target_Name /= "" then
if Ada_RTS /= "" then
return Target_Name & '-' & Ada_RTS
& Config_Project_File_Extension;
else
return Target_Name & Config_Project_File_Extension;
end if;
elsif Ada_RTS /= "" then
return Ada_RTS & Config_Project_File_Extension;
else
Tmp := Getenv (Config_Project_Env_Var);
declare
T : constant String := Tmp.all;
begin
Free (Tmp);
if T'Length = 0 then
return Default_Name;
else
return T;
end if;
end;
end if;
end Default_File_Name;
------------------------
-- Might_Have_Sources --
------------------------
function Might_Have_Sources (Project : Project_Id) return Boolean is
Variable : Variable_Value;
begin
Variable :=
Value_Of
(Name_Source_Dirs,
Project.Decl.Attributes,
Project_Tree);
if Variable = Nil_Variable_Value
or else Variable.Default
or else Variable.Values /= Nil_String
then
Variable :=
Value_Of
(Name_Source_Files,
Project.Decl.Attributes,
Project_Tree);
return Variable = Nil_Variable_Value
or else Variable.Default
or else Variable.Values /= Nil_String;
else
return False;
end if;
end Might_Have_Sources;
-------------------------
-- Get_Config_Switches --
-------------------------
function Get_Config_Switches return Argument_List_Access is
package Language_Htable is new GNAT.HTable.Simple_HTable
(Header_Num => Prj.Header_Num,
Element => Name_Id,
No_Element => No_Name,
Key => Name_Id,
Hash => Prj.Hash,
Equal => "=");
-- Hash table to keep the languages used in the project tree
IDE : constant Package_Id :=
Value_Of
(Name_Ide,
Project.Decl.Packages,
Project_Tree);
Prj_Iter : Project_List;
List : String_List_Id;
Elem : String_Element;
Lang : Name_Id;
Variable : Variable_Value;
Name : Name_Id;
Count : Natural;
Result : Argument_List_Access;
Check_Default : Boolean;
begin
Prj_Iter := Project_Tree.Projects;
while Prj_Iter /= null loop
if Might_Have_Sources (Prj_Iter.Project) then
Variable :=
Value_Of
(Name_Languages,
Prj_Iter.Project.Decl.Attributes,
Project_Tree);
if Variable = Nil_Variable_Value
or else Variable.Default
then
-- Languages is not declared. If it is not an extending
-- project, or if it extends a project with no Languages,
-- check for Default_Language.
Check_Default := Prj_Iter.Project.Extends = No_Project;
if not Check_Default then
Variable :=
Value_Of
(Name_Languages,
Prj_Iter.Project.Extends.Decl.Attributes,
Project_Tree);
Check_Default :=
Variable /= Nil_Variable_Value
and then Variable.Values = Nil_String;
end if;
if Check_Default then
Variable :=
Value_Of
(Name_Default_Language,
Prj_Iter.Project.Decl.Attributes,
Project_Tree);
if Variable /= Nil_Variable_Value
and then not Variable.Default
then
Get_Name_String (Variable.Value);
To_Lower (Name_Buffer (1 .. Name_Len));
Lang := Name_Find;
Language_Htable.Set (Lang, Lang);
else
-- If no default language is declared, default to Ada
Language_Htable.Set (Name_Ada, Name_Ada);
end if;
end if;
elsif Variable.Values /= Nil_String then
-- Attribute Languages is declared with a non empty
-- list: put all the languages in Language_HTable.
List := Variable.Values;
while List /= Nil_String loop
Elem := Project_Tree.String_Elements.Table (List);
Get_Name_String (Elem.Value);
To_Lower (Name_Buffer (1 .. Name_Len));
Lang := Name_Find;
Language_Htable.Set (Lang, Lang);
List := Elem.Next;
end loop;
end if;
end if;
Prj_Iter := Prj_Iter.Next;
end loop;
Name := Language_Htable.Get_First;
Count := 0;
while Name /= No_Name loop
Count := Count + 1;
Name := Language_Htable.Get_Next;
end loop;
Result := new String_List (1 .. Count);
Count := 1;
Name := Language_Htable.Get_First;
while Name /= No_Name loop
-- Check if IDE'Compiler_Command is declared for the language.
-- If it is, use its value to invoke gprconfig.
Variable :=
Value_Of
(Name,
Attribute_Or_Array_Name => Name_Compiler_Command,
In_Package => IDE,
In_Tree => Project_Tree,
Force_Lower_Case_Index => True);
declare
Config_Command : constant String :=
"--config=" & Get_Name_String (Name);
Runtime_Name : constant String :=
Runtime_Name_For (Name);
begin
if Variable = Nil_Variable_Value
or else Length_Of_Name (Variable.Value) = 0
then
Result (Count) :=
new String'(Config_Command & ",," & Runtime_Name);
else
At_Least_One_Compiler_Command := True;
declare
Compiler_Command : constant String :=
Get_Name_String (Variable.Value);
begin
if Is_Absolute_Path (Compiler_Command) then
Result (Count) :=
new String'
(Config_Command & ",," & Runtime_Name & "," &
Containing_Directory (Compiler_Command) & "," &
Simple_Name (Compiler_Command));
else
Result (Count) :=
new String'
(Config_Command & ",," & Runtime_Name & ",," &
Compiler_Command);
end if;
end;
end if;
end;
Count := Count + 1;
Name := Language_Htable.Get_Next;
end loop;
return Result;
end Get_Config_Switches;
-----------------
-- Do_Autoconf --
-----------------
procedure Do_Autoconf is
Obj_Dir : constant Variable_Value :=
Value_Of
(Name_Object_Dir,
Project.Decl.Attributes,
Project_Tree);
Gprconfig_Path : String_Access;
Success : Boolean;
begin
Gprconfig_Path := Locate_Exec_On_Path (Gprconfig_Name);
if Gprconfig_Path = null then
Raise_Invalid_Config
("could not locate gprconfig for auto-configuration");
end if;
-- First, find the object directory of the user's project
if Obj_Dir = Nil_Variable_Value or else Obj_Dir.Default then
Get_Name_String (Project.Directory.Display_Name);
else
if Is_Absolute_Path (Get_Name_String (Obj_Dir.Value)) then
Get_Name_String (Obj_Dir.Value);
else
Name_Len := 0;
Add_Str_To_Name_Buffer
(Get_Name_String (Project.Directory.Display_Name));
Add_Str_To_Name_Buffer (Get_Name_String (Obj_Dir.Value));
end if;
end if;
if Subdirs /= null then
Add_Char_To_Name_Buffer (Directory_Separator);
Add_Str_To_Name_Buffer (Subdirs.all);
end if;
for J in 1 .. Name_Len loop
if Name_Buffer (J) = '/' then
Name_Buffer (J) := Directory_Separator;
end if;
end loop;
declare
Obj_Dir : constant String := Name_Buffer (1 .. Name_Len);
Switches : Argument_List_Access := Get_Config_Switches;
Args : Argument_List (1 .. 5);
Arg_Last : Positive;
Obj_Dir_Exists : Boolean := True;
begin
-- Check if the object directory exists. If Setup_Projects is True
-- (-p) and directory does not exist, attempt to create it.
-- Otherwise, if directory does not exist, fail without calling
-- gprconfig.
if not Is_Directory (Obj_Dir)
and then (Setup_Projects or else Subdirs /= null)
then
begin
Create_Path (Obj_Dir);
if not Quiet_Output then
Write_Str ("object directory """);
Write_Str (Obj_Dir);
Write_Line (""" created");
end if;
exception
when others =>
Raise_Invalid_Config
("could not create object directory " & Obj_Dir);
end;
end if;
if not Is_Directory (Obj_Dir) then
case Flags.Require_Obj_Dirs is
when Error =>
Raise_Invalid_Config
("object directory " & Obj_Dir & " does not exist");
when Warning =>
Prj.Err.Error_Msg
(Flags,
"?object directory " & Obj_Dir & " does not exist");
Obj_Dir_Exists := False;
when Silent =>
null;
end case;
end if;
-- Invoke gprconfig
Args (1) := new String'("--batch");
Args (2) := new String'("-o");
-- If no config file was specified, set the auto.cgpr one
if Config_File_Name = "" then
if Obj_Dir_Exists then
Args (3) :=
new String'(Obj_Dir & Directory_Separator & Auto_Cgpr);
else
declare
Path_FD : File_Descriptor;
Path_Name : Path_Name_Type;
begin
Prj.Env.Create_Temp_File
(In_Tree => Project_Tree,
Path_FD => Path_FD,
Path_Name => Path_Name,
File_Use => "configuration file");
if Path_FD /= Invalid_FD then
Args (3) := new String'(Get_Name_String (Path_Name));
GNAT.OS_Lib.Close (Path_FD);
else
-- We'll have an error message later on
Args (3) :=
new String'
(Obj_Dir & Directory_Separator & Auto_Cgpr);
end if;
end;
end if;
else
Args (3) := new String'(Config_File_Name);
end if;
if Normalized_Hostname = "" then
Arg_Last := 3;
else
if Target_Name = "" then
if At_Least_One_Compiler_Command then
Args (4) := new String'("--target=all");
else
Args (4) :=
new String'("--target=" & Normalized_Hostname);
end if;
else
Args (4) := new String'("--target=" & Target_Name);
end if;
Arg_Last := 4;
end if;
if not Verbose_Mode then
Arg_Last := Arg_Last + 1;
Args (Arg_Last) := new String'("-q");
end if;
if Verbose_Mode then
Write_Str (Gprconfig_Name);
for J in 1 .. Arg_Last loop
Write_Char (' ');
Write_Str (Args (J).all);
end loop;
for J in Switches'Range loop
Write_Char (' ');
Write_Str (Switches (J).all);
end loop;
Write_Eol;
elsif not Quiet_Output then
-- Display no message if we are creating auto.cgpr, unless in
-- verbose mode
if Config_File_Name /= ""
or else Verbose_Mode
then
Write_Str ("creating ");
Write_Str (Simple_Name (Args (3).all));
Write_Eol;
end if;
end if;
Spawn (Gprconfig_Path.all, Args (1 .. Arg_Last) & Switches.all,
Success);
Free (Switches);
Config_File_Path := Locate_Config_File (Args (3).all);
if Config_File_Path = null then
Raise_Invalid_Config
("could not create " & Args (3).all);
end if;
for F in Args'Range loop
Free (Args (F));
end loop;
end;
end Do_Autoconf;
Success : Boolean;
Config_Project_Node : Project_Node_Id := Empty_Node;
begin
Free (Config_File_Path);
Config := No_Project;
if Config_File_Name /= "" then
Config_File_Path := Locate_Config_File (Config_File_Name);
else
Config_File_Path := Locate_Config_File (Default_File_Name);
end if;
if Config_File_Path = null then
if (not Allow_Automatic_Generation) and then
Config_File_Name /= ""
then
Raise_Invalid_Config
("could not locate main configuration project "
& Config_File_Name);
end if;
end if;
Automatically_Generated :=
Allow_Automatic_Generation and then Config_File_Path = null;
<<Process_Config_File>>
if Automatically_Generated then
if Hostparm.OpenVMS then
-- There is no gprconfig on VMS
Raise_Invalid_Config
("could not locate any configuration project file");
else
-- This might raise an Invalid_Config exception
Do_Autoconf;
end if;
end if;
-- Parse the configuration file
if Verbose_Mode and then Config_File_Path /= null then
Write_Str ("Checking configuration ");
Write_Line (Config_File_Path.all);
end if;
if Config_File_Path /= null then
Prj.Part.Parse
(In_Tree => Project_Node_Tree,
Project => Config_Project_Node,
Project_File_Name => Config_File_Path.all,
Always_Errout_Finalize => False,
Packages_To_Check => Packages_To_Check,
Current_Directory => Current_Directory,
Is_Config_File => True,
Flags => Flags);
else
-- Maybe the user will want to create his own configuration file
Config_Project_Node := Empty_Node;
end if;
if On_Load_Config /= null then
On_Load_Config
(Config_File => Config_Project_Node,
Project_Node_Tree => Project_Node_Tree);
end if;
if Config_Project_Node /= Empty_Node then
Prj.Proc.Process_Project_Tree_Phase_1
(In_Tree => Project_Tree,
Project => Config,
Success => Success,
From_Project_Node => Config_Project_Node,
From_Project_Node_Tree => Project_Node_Tree,
Flags => Flags,
Reset_Tree => False);
end if;
if Config_Project_Node = Empty_Node
or else Config = No_Project
then
Raise_Invalid_Config
("processing of configuration project """
& Config_File_Path.all & """ failed");
end if;
-- Check that the target of the configuration file is the one the user
-- specified on the command line. We do not need to check that when in
-- auto-conf mode, since the appropriate target was passed to gprconfig.
if not Automatically_Generated
and then not
Check_Target (Config, Autoconf_Specified, Project_Tree, Target_Name)
then
Automatically_Generated := True;
goto Process_Config_File;
end if;
end Get_Or_Create_Configuration_File;
------------------------
-- Locate_Config_File --
------------------------
function Locate_Config_File (Name : String) return String_Access is
Prefix_Path : constant String := Executable_Prefix_Path;
begin
if Prefix_Path'Length /= 0 then
return Locate_Regular_File
(Name,
"." & Path_Separator &
Prefix_Path & "share" & Directory_Separator & "gpr");
else
return Locate_Regular_File (Name, ".");
end if;
end Locate_Config_File;
------------------------------------
-- Parse_Project_And_Apply_Config --
------------------------------------
procedure Parse_Project_And_Apply_Config
(Main_Project : out Prj.Project_Id;
User_Project_Node : out Prj.Tree.Project_Node_Id;
Config_File_Name : String := "";
Autoconf_Specified : Boolean;
Project_File_Name : String;
Project_Tree : Prj.Project_Tree_Ref;
Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref;
Packages_To_Check : String_List_Access;
Allow_Automatic_Generation : Boolean := True;
Automatically_Generated : out Boolean;
Config_File_Path : out String_Access;
Target_Name : String := "";
Normalized_Hostname : String;
Flags : Processing_Flags;
On_Load_Config : Config_File_Hook := null)
is
begin
-- Parse the user project tree
Prj.Initialize (Project_Tree);
Main_Project := No_Project;
Automatically_Generated := False;
Prj.Part.Parse
(In_Tree => Project_Node_Tree,
Project => User_Project_Node,
Project_File_Name => Project_File_Name,
Always_Errout_Finalize => False,
Packages_To_Check => Packages_To_Check,
Current_Directory => Current_Directory,
Is_Config_File => False,
Flags => Flags);
if User_Project_Node = Empty_Node then
User_Project_Node := Empty_Node;
return;
end if;
Process_Project_And_Apply_Config
(Main_Project => Main_Project,
User_Project_Node => User_Project_Node,
Config_File_Name => Config_File_Name,
Autoconf_Specified => Autoconf_Specified,
Project_Tree => Project_Tree,
Project_Node_Tree => Project_Node_Tree,
Packages_To_Check => Packages_To_Check,
Allow_Automatic_Generation => Allow_Automatic_Generation,
Automatically_Generated => Automatically_Generated,
Config_File_Path => Config_File_Path,
Target_Name => Target_Name,
Normalized_Hostname => Normalized_Hostname,
Flags => Flags,
On_Load_Config => On_Load_Config);
end Parse_Project_And_Apply_Config;
--------------------------------------
-- Process_Project_And_Apply_Config --
--------------------------------------
procedure Process_Project_And_Apply_Config
(Main_Project : out Prj.Project_Id;
User_Project_Node : Prj.Tree.Project_Node_Id;
Config_File_Name : String := "";
Autoconf_Specified : Boolean;
Project_Tree : Prj.Project_Tree_Ref;
Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref;
Packages_To_Check : String_List_Access;
Allow_Automatic_Generation : Boolean := True;
Automatically_Generated : out Boolean;
Config_File_Path : out String_Access;
Target_Name : String := "";
Normalized_Hostname : String;
Flags : Processing_Flags;
On_Load_Config : Config_File_Hook := null;
Reset_Tree : Boolean := True)
is
Main_Config_Project : Project_Id;
Success : Boolean;
begin
Main_Project := No_Project;
Automatically_Generated := False;
Process_Project_Tree_Phase_1
(In_Tree => Project_Tree,
Project => Main_Project,
Success => Success,
From_Project_Node => User_Project_Node,
From_Project_Node_Tree => Project_Node_Tree,
Flags => Flags,
Reset_Tree => Reset_Tree);
if not Success then
Main_Project := No_Project;
return;
end if;
if Project_Tree.Source_Info_File_Name /= null then
if not Is_Absolute_Path (Project_Tree.Source_Info_File_Name.all) then
declare
Obj_Dir : constant Variable_Value :=
Value_Of
(Name_Object_Dir,
Main_Project.Decl.Attributes,
Project_Tree);
begin
if Obj_Dir = Nil_Variable_Value or else Obj_Dir.Default then
Get_Name_String (Main_Project.Directory.Display_Name);
else
if Is_Absolute_Path (Get_Name_String (Obj_Dir.Value)) then
Get_Name_String (Obj_Dir.Value);
else
Name_Len := 0;
Add_Str_To_Name_Buffer
(Get_Name_String (Main_Project.Directory.Display_Name));
Add_Str_To_Name_Buffer (Get_Name_String (Obj_Dir.Value));
end if;
end if;
Add_Char_To_Name_Buffer (Directory_Separator);
Add_Str_To_Name_Buffer (Project_Tree.Source_Info_File_Name.all);
Free (Project_Tree.Source_Info_File_Name);
Project_Tree.Source_Info_File_Name :=
new String'(Name_Buffer (1 .. Name_Len));
end;
end if;
Read_Source_Info_File (Project_Tree);
end if;
-- Find configuration file
Get_Or_Create_Configuration_File
(Config => Main_Config_Project,
Project => Main_Project,
Project_Tree => Project_Tree,
Project_Node_Tree => Project_Node_Tree,
Allow_Automatic_Generation => Allow_Automatic_Generation,
Config_File_Name => Config_File_Name,
Autoconf_Specified => Autoconf_Specified,
Target_Name => Target_Name,
Normalized_Hostname => Normalized_Hostname,
Packages_To_Check => Packages_To_Check,
Config_File_Path => Config_File_Path,
Automatically_Generated => Automatically_Generated,
Flags => Flags,
On_Load_Config => On_Load_Config);
Apply_Config_File (Main_Config_Project, Project_Tree);
-- Finish processing the user's project
Prj.Proc.Process_Project_Tree_Phase_2
(In_Tree => Project_Tree,
Project => Main_Project,
Success => Success,
From_Project_Node => User_Project_Node,
From_Project_Node_Tree => Project_Node_Tree,
Flags => Flags);
if Success then
if Project_Tree.Source_Info_File_Name /= null and then
not Project_Tree.Source_Info_File_Exists
then
Write_Source_Info_File (Project_Tree);
end if;
else
Main_Project := No_Project;
end if;
end Process_Project_And_Apply_Config;
--------------------------
-- Raise_Invalid_Config --
--------------------------
procedure Raise_Invalid_Config (Msg : String) is
begin
Raise_Exception (Invalid_Config'Identity, Msg);
end Raise_Invalid_Config;
----------------------
-- Runtime_Name_For --
----------------------
function Runtime_Name_For (Language : Name_Id) return String is
begin
if RTS_Languages.Get (Language) /= No_Name then
return Get_Name_String (RTS_Languages.Get (Language));
else
return "";
end if;
end Runtime_Name_For;
---------------------
-- Set_Runtime_For --
---------------------
procedure Set_Runtime_For (Language : Name_Id; RTS_Name : String) is
begin
Name_Len := RTS_Name'Length;
Name_Buffer (1 .. Name_Len) := RTS_Name;
RTS_Languages.Set (Language, Name_Find);
end Set_Runtime_For;
end Prj.Conf;
|