1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2001-2007, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 -- The following package declares the data types for GNAT project.
28 -- These data types may be used by GNAT Project-aware tools.
30 -- Children of these package implements various services on these data types.
31 -- See in particular Prj.Pars and Prj.Env.
33 with Casing; use Casing;
34 with Namet; use Namet;
35 with Scans; use Scans;
37 with Types; use Types;
39 with GNAT.Dynamic_HTables; use GNAT.Dynamic_HTables;
40 with GNAT.Dynamic_Tables;
41 with GNAT.OS_Lib; use GNAT.OS_Lib;
47 type Library_Support is (None, Static_Only, Full);
48 -- Support for Library Project File.
49 -- - None: Library Project Files are not supported at all
50 -- - Static_Only: Library Project Files are only supported for static
52 -- - Full: Library Project Files are supported for static and dynamic
53 -- (shared) libraries.
55 type Yes_No_Unknown is (Yes, No, Unknown);
56 -- Tri-state to decide if -lgnarl is needed when linking
58 type Mode is (Multi_Language, Ada_Only);
60 function Get_Mode return Mode;
61 pragma Inline (Get_Mode);
63 procedure Set_Mode (New_Mode : Mode);
64 pragma Inline (Set_Mode);
66 function In_Configuration return Boolean;
67 pragma Inline (In_Configuration);
69 procedure Set_In_Configuration (Value : Boolean);
70 pragma Inline (Set_In_Configuration);
72 All_Packages : constant String_List_Access;
73 -- Default value of parameter Packages of procedures Parse, in Prj.Pars and
74 -- Prj.Part, indicating that all packages should be checked.
76 type Project_Tree_Data;
77 type Project_Tree_Ref is access all Project_Tree_Data;
78 -- Reference to a project tree.
79 -- Several project trees may exist in memory at the same time.
81 No_Project_Tree : constant Project_Tree_Ref;
83 function Default_Ada_Spec_Suffix return File_Name_Type;
84 pragma Inline (Default_Ada_Spec_Suffix);
85 -- The name for the standard GNAT suffix for Ada spec source file name
86 -- ".ads". Initialized by Prj.Initialize.
88 function Default_Ada_Body_Suffix return File_Name_Type;
89 pragma Inline (Default_Ada_Body_Suffix);
90 -- The name for the standard GNAT suffix for Ada body source file name
91 -- ".adb". Initialized by Prj.Initialize.
93 function Slash return Path_Name_Type;
94 pragma Inline (Slash);
95 -- "/", used as the path of locally removed files
97 Config_Project_File_Extension : String := ".cgpr";
98 Project_File_Extension : String := ".gpr";
99 -- The standard config and user project file name extensions. They are not
100 -- constants, because Canonical_Case_File_Name is called on these variables
101 -- in the body of Prj.
103 type Error_Warning is (Silent, Warning, Error);
104 -- Severity of some situations, such as: no Ada sources in a project where
105 -- Ada is one of the language.
107 -- When the situation occurs, the behaviour depends on the setting:
109 -- - Silent: no action
110 -- - Warning: issue a warning, does not cause the tool to fail
111 -- - Error: issue an error, causes the tool to fail
113 function Empty_File return File_Name_Type;
114 function Empty_String return Name_Id;
115 -- Return the id for an empty string ""
117 type Project_Id is new Nat;
118 No_Project : constant Project_Id := 0;
119 -- Id of a Project File
121 type String_List_Id is new Nat;
122 Nil_String : constant String_List_Id := 0;
123 type String_Element is record
124 Value : Name_Id := No_Name;
126 Display_Value : Name_Id := No_Name;
127 Location : Source_Ptr := No_Location;
128 Flag : Boolean := False;
129 Next : String_List_Id := Nil_String;
131 -- To hold values for string list variables and array elements.
132 -- Component Flag may be used for various purposes. For source
133 -- directories, it indicates if the directory contains Ada source(s).
135 package String_Element_Table is new GNAT.Dynamic_Tables
136 (Table_Component_Type => String_Element,
137 Table_Index_Type => String_List_Id,
138 Table_Low_Bound => 1,
139 Table_Initial => 200,
140 Table_Increment => 100);
141 -- The table for string elements in string lists
143 type Variable_Kind is (Undefined, List, Single);
144 -- Different kinds of variables
146 subtype Defined_Variable_Kind is Variable_Kind range List .. Single;
147 -- The defined kinds of variables
149 Ignored : constant Variable_Kind;
150 -- Used to indicate that a package declaration must be ignored
151 -- while processing the project tree (unknown package name).
153 type Variable_Value (Kind : Variable_Kind := Undefined) is record
154 Project : Project_Id := No_Project;
155 Location : Source_Ptr := No_Location;
156 Default : Boolean := False;
161 Values : String_List_Id := Nil_String;
163 Value : Name_Id := No_Name;
167 -- Values for variables and array elements. Default is True if the
168 -- current value is the default one for the variable
170 Nil_Variable_Value : constant Variable_Value;
171 -- Value of a non existing variable or array element
173 type Variable_Id is new Nat;
174 No_Variable : constant Variable_Id := 0;
175 type Variable is record
176 Next : Variable_Id := No_Variable;
178 Value : Variable_Value;
180 -- To hold the list of variables in a project file and in packages
182 package Variable_Element_Table is new GNAT.Dynamic_Tables
183 (Table_Component_Type => Variable,
184 Table_Index_Type => Variable_Id,
185 Table_Low_Bound => 1,
186 Table_Initial => 200,
187 Table_Increment => 100);
188 -- The table of variable in list of variables
190 type Array_Element_Id is new Nat;
191 No_Array_Element : constant Array_Element_Id := 0;
192 type Array_Element is record
194 Src_Index : Int := 0;
195 Index_Case_Sensitive : Boolean := True;
196 Value : Variable_Value;
197 Next : Array_Element_Id := No_Array_Element;
199 -- Each Array_Element represents an array element and is linked (Next)
200 -- to the next array element, if any, in the array.
202 package Array_Element_Table is new GNAT.Dynamic_Tables
203 (Table_Component_Type => Array_Element,
204 Table_Index_Type => Array_Element_Id,
205 Table_Low_Bound => 1,
206 Table_Initial => 200,
207 Table_Increment => 100);
208 -- The table that contains all array elements
210 type Array_Id is new Nat;
211 No_Array : constant Array_Id := 0;
212 type Array_Data is record
213 Name : Name_Id := No_Name;
214 Value : Array_Element_Id := No_Array_Element;
215 Next : Array_Id := No_Array;
217 -- Each Array_Data value represents an array.
218 -- Value is the id of the first element.
219 -- Next is the id of the next array in the project file or package.
221 package Array_Table is new GNAT.Dynamic_Tables
222 (Table_Component_Type => Array_Data,
223 Table_Index_Type => Array_Id,
224 Table_Low_Bound => 1,
225 Table_Initial => 200,
226 Table_Increment => 100);
227 -- The table that contains all arrays
229 type Package_Id is new Nat;
230 No_Package : constant Package_Id := 0;
231 type Declarations is record
232 Variables : Variable_Id := No_Variable;
233 Attributes : Variable_Id := No_Variable;
234 Arrays : Array_Id := No_Array;
235 Packages : Package_Id := No_Package;
237 -- Contains the declarations (variables, single and array attributes,
238 -- packages) for a project or a package in a project.
240 No_Declarations : constant Declarations :=
241 (Variables => No_Variable,
242 Attributes => No_Variable,
244 Packages => No_Package);
245 -- Default value of Declarations: indicates that there is no declarations
247 type Package_Element is record
248 Name : Name_Id := No_Name;
249 Decl : Declarations := No_Declarations;
250 Parent : Package_Id := No_Package;
251 Next : Package_Id := No_Package;
253 -- A package (includes declarations that may include other packages)
255 package Package_Table is new GNAT.Dynamic_Tables
256 (Table_Component_Type => Package_Element,
257 Table_Index_Type => Package_Id,
258 Table_Low_Bound => 1,
259 Table_Initial => 100,
260 Table_Increment => 100);
261 -- The table that contains all packages
263 type Language_Index is new Nat;
265 No_Language_Index : constant Language_Index := 0;
267 procedure Display_Language_Name
268 (In_Tree : Project_Tree_Ref;
269 Language : Language_Index);
271 type Header_Num is range 0 .. 2047;
273 function Hash is new System.HTable.Hash (Header_Num => Header_Num);
275 function Hash (Name : Name_Id) return Header_Num;
276 function Hash (Name : File_Name_Type) return Header_Num;
277 function Hash (Name : Path_Name_Type) return Header_Num;
279 type Language_Kind is (File_Based, Unit_Based);
281 type Dependency_File_Kind is (None, Makefile, ALI_File);
283 Makefile_Dependency_Suffix : constant String := ".d";
284 ALI_Dependency_Suffix : constant String := ".ali";
286 Switches_Dependency_Suffix : constant String := ".cswi";
288 Binder_Exchange_Suffix : constant String := ".bexch";
289 -- Suffix for binder exchange files
291 Library_Exchange_Suffix : constant String := ".lexch";
292 -- Suffix for library exchange files
294 type Name_List_Index is new Nat;
295 No_Name_List : constant Name_List_Index := 0;
297 type Name_Node is record
298 Name : Name_Id := No_Name;
299 Next : Name_List_Index := No_Name_List;
302 function Default_Language (In_Tree : Project_Tree_Ref) return Name_Id;
304 package Name_List_Table is new GNAT.Dynamic_Tables
305 (Table_Component_Type => Name_Node,
306 Table_Index_Type => Name_List_Index,
307 Table_Low_Bound => 1,
309 Table_Increment => 100);
310 -- The table for lists of names used in package Language_Processing
312 package Mapping_Files_Htable is new Simple_HTable
313 (Header_Num => Header_Num,
314 Element => Path_Name_Type,
315 No_Element => No_Path,
316 Key => Path_Name_Type,
319 -- A hash table to store the mapping files that are not used
321 type Lang_Naming_Data is record
322 Dot_Replacement : File_Name_Type := No_File;
323 -- The string to replace '.' in the source file name (for Ada)
325 Casing : Casing_Type := All_Lower_Case;
326 -- The casing of the source file name (for Ada)
328 Separate_Suffix : File_Name_Type := No_File;
329 -- String to append to unit name for source file name of an Ada subunit
331 Spec_Suffix : File_Name_Type := No_File;
332 -- The string to append to the unit name for the
333 -- source file name of a spec.
335 Body_Suffix : File_Name_Type := No_File;
336 -- The string to append to the unit name for the
337 -- source file name of a body.
340 No_Lang_Naming_Data : constant Lang_Naming_Data :=
341 (Dot_Replacement => No_File,
342 Casing => All_Lower_Case,
343 Separate_Suffix => No_File,
344 Spec_Suffix => No_File,
345 Body_Suffix => No_File);
347 type Source_Id is new Nat;
349 No_Source : constant Source_Id := 0;
351 -- All the fields in the below record should be commented ???
353 type Language_Config is record
354 Kind : Language_Kind := File_Based;
355 -- Kind of language. All languages are file based, except Ada which is
358 Naming_Data : Lang_Naming_Data;
359 -- The naming data for the languages (prefixs, etc)
361 Compiler_Driver : File_Name_Type := No_File;
362 -- The name of the executable for the compiler of the language
364 Compiler_Driver_Path : String_Access := null;
365 -- The path name of the executable for the compiler of the language
367 Compiler_Min_Options : Name_List_Index := No_Name_List;
368 -- The minimum options for the compiler of the language. Specified
369 -- in the configuration as Compiler'Switches (<language>).
371 Min_Compiler_Options : String_List_Access := null;
372 -- The minimum options as an argument list
374 Compilation_PIC_Option : Name_List_Index := No_Name_List;
375 -- The option(s) to compile a source in Position Independent Code for
376 -- shared libraries. Specified in the configuration. When not specified,
377 -- there is no need for such switch.
379 Mapping_File_Switches : Name_List_Index := No_Name_List;
380 -- The option(s) to provide a mapping file to the compiler. Specified in
381 -- the configuration. When not ???
383 Mapping_Spec_Suffix : File_Name_Type := No_File;
384 Mapping_Body_Suffix : File_Name_Type := No_File;
385 Config_File_Switches : Name_List_Index := No_Name_List;
386 Dependency_Kind : Dependency_File_Kind := None;
387 Dependency_Option : Name_List_Index := No_Name_List;
388 Compute_Dependency : Name_List_Index := No_Name_List;
389 Include_Option : Name_List_Index := No_Name_List;
391 Include_Path : Name_Id := No_Name;
392 -- Name of an environment variable
394 Include_Path_File : Name_Id := No_Name;
395 -- Name of an environment variable
397 Objects_Path : Name_Id := No_Name;
398 -- Name of an environment variable
400 Objects_Path_File : Name_Id := No_Name;
401 -- Name of an environment variable
403 Config_Body : Name_Id := No_Name;
404 Config_Spec : Name_Id := No_Name;
405 Config_Body_Pattern : Name_Id := No_Name;
406 Config_Spec_Pattern : Name_Id := No_Name;
407 Config_File_Unique : Boolean := False;
408 Runtime_Project : Path_Name_Type := No_Path;
409 Binder_Driver : File_Name_Type := No_File;
410 Binder_Driver_Path : Path_Name_Type := No_Path;
411 Binder_Min_Options : Name_List_Index := No_Name_List;
412 Binder_Prefix : Name_Id := No_Name;
413 Toolchain_Version : Name_Id := No_Name;
414 Toolchain_Description : Name_Id := No_Name;
415 PIC_Option : Name_Id := No_Name;
416 Objects_Generated : Boolean := True;
419 No_Language_Config : constant Language_Config :=
421 Naming_Data => No_Lang_Naming_Data,
422 Compiler_Driver => No_File,
423 Compiler_Driver_Path => null,
424 Compiler_Min_Options => No_Name_List,
425 Min_Compiler_Options => null,
426 Compilation_PIC_Option => No_Name_List,
427 Mapping_File_Switches => No_Name_List,
428 Mapping_Spec_Suffix => No_File,
429 Mapping_Body_Suffix => No_File,
430 Config_File_Switches => No_Name_List,
431 Dependency_Kind => Makefile,
432 Dependency_Option => No_Name_List,
433 Compute_Dependency => No_Name_List,
434 Include_Option => No_Name_List,
435 Include_Path => No_Name,
436 Include_Path_File => No_Name,
437 Objects_Path => No_Name,
438 Objects_Path_File => No_Name,
439 Config_Body => No_Name,
440 Config_Spec => No_Name,
441 Config_Body_Pattern => No_Name,
442 Config_Spec_Pattern => No_Name,
443 Config_File_Unique => False,
444 Runtime_Project => No_Path,
445 Binder_Driver => No_File,
446 Binder_Driver_Path => No_Path,
447 Binder_Min_Options => No_Name_List,
448 Binder_Prefix => No_Name,
449 Toolchain_Version => No_Name,
450 Toolchain_Description => No_Name,
451 PIC_Option => No_Name,
452 Objects_Generated => True);
454 type Language_Data is record
455 Name : Name_Id := No_Name;
456 Display_Name : Name_Id := No_Name;
457 Config : Language_Config := No_Language_Config;
458 First_Source : Source_Id := No_Source;
459 Mapping_Files : Mapping_Files_Htable.Instance :=
460 Mapping_Files_Htable.Nil;
461 Next : Language_Index := No_Language_Index;
464 No_Language_Data : constant Language_Data :=
466 Display_Name => No_Name,
467 Config => No_Language_Config,
468 First_Source => No_Source,
469 Mapping_Files => Mapping_Files_Htable.Nil,
470 Next => No_Language_Index);
472 package Language_Data_Table is new GNAT.Dynamic_Tables
473 (Table_Component_Type => Language_Data,
474 Table_Index_Type => Language_Index,
475 Table_Low_Bound => 1,
477 Table_Increment => 100);
478 -- The table for lists of names used in package Language_Processing
480 type Alternate_Language_Id is new Nat;
482 No_Alternate_Language : constant Alternate_Language_Id := 0;
484 type Alternate_Language_Data is record
485 Language : Language_Index := No_Language_Index;
486 Next : Alternate_Language_Id := No_Alternate_Language;
489 package Alternate_Language_Table is new GNAT.Dynamic_Tables
490 (Table_Component_Type => Alternate_Language_Data,
491 Table_Index_Type => Alternate_Language_Id,
492 Table_Low_Bound => 1,
494 Table_Increment => 100);
495 -- The table for storing the alternate languages of a header file that
496 -- is used for several languages.
498 type Source_Kind is (Spec, Impl, Sep);
500 -- Following record needs full comments on every field ???
502 type Source_Data is record
503 Project : Project_Id := No_Project;
504 Language_Name : Name_Id := No_Name;
505 Language : Language_Index := No_Language_Index;
506 Alternate_Languages : Alternate_Language_Id := No_Alternate_Language;
507 Kind : Source_Kind := Spec;
508 Dependency : Dependency_File_Kind := Makefile;
509 Other_Part : Source_Id := No_Source;
510 Unit : Name_Id := No_Name;
512 Locally_Removed : Boolean := False;
513 Replaced_By : Source_Id := No_Source;
514 File : File_Name_Type := No_File;
515 Display_File : File_Name_Type := No_File;
516 Path : Path_Name_Type := No_Path;
517 Display_Path : Path_Name_Type := No_Path;
518 Source_TS : Time_Stamp_Type := Empty_Time_Stamp;
519 Object_Project : Project_Id := No_Project;
520 Object_Exists : Boolean := True;
521 Object : File_Name_Type := No_File;
522 Current_Object_Path : Path_Name_Type := No_Path;
523 Object_Path : Path_Name_Type := No_Path;
525 Object_TS : Time_Stamp_Type := Empty_Time_Stamp;
526 -- Object file time stamp
528 Dep_Name : File_Name_Type := No_File;
529 -- Dependency file simple name
531 Current_Dep_Path : Path_Name_Type := No_Path;
533 Dep_Path : Path_Name_Type := No_Path;
534 -- Dependency full path name
536 Dep_TS : Time_Stamp_Type := Empty_Time_Stamp;
537 -- Dependency file time stamp
539 Switches : File_Name_Type := No_File;
540 Switches_Path : Path_Name_Type := No_Path;
541 Switches_TS : Time_Stamp_Type := Empty_Time_Stamp;
542 Naming_Exception : Boolean := False;
543 Next_In_Sources : Source_Id := No_Source;
544 Next_In_Project : Source_Id := No_Source;
545 Next_In_Lang : Source_Id := No_Source;
548 No_Source_Data : constant Source_Data :=
549 (Project => No_Project,
550 Language_Name => No_Name,
551 Language => No_Language_Index,
552 Alternate_Languages => No_Alternate_Language,
554 Dependency => Makefile,
555 Other_Part => No_Source,
558 Locally_Removed => False,
559 Replaced_By => No_Source,
561 Display_File => No_File,
563 Display_Path => No_Path,
564 Source_TS => Empty_Time_Stamp,
565 Object_Project => No_Project,
566 Object_Exists => True,
568 Current_Object_Path => No_Path,
569 Object_Path => No_Path,
570 Object_TS => Empty_Time_Stamp,
572 Current_Dep_Path => No_Path,
574 Dep_TS => Empty_Time_Stamp,
576 Switches_Path => No_Path,
577 Switches_TS => Empty_Time_Stamp,
578 Naming_Exception => False,
579 Next_In_Sources => No_Source,
580 Next_In_Project => No_Source,
581 Next_In_Lang => No_Source);
583 package Source_Data_Table is new GNAT.Dynamic_Tables
584 (Table_Component_Type => Source_Data,
585 Table_Index_Type => Source_Id,
586 Table_Low_Bound => 1,
587 Table_Initial => 1000,
588 Table_Increment => 100);
589 -- The table for the sources
591 package Source_Paths_Htable is new Simple_HTable
592 (Header_Num => Header_Num,
593 Element => Source_Id,
594 No_Element => No_Source,
595 Key => Path_Name_Type,
598 -- Mapping of source paths to source ids
600 type Verbosity is (Default, Medium, High);
601 -- Verbosity when parsing GNAT Project Files
602 -- Default is default (very quiet, if no errors).
603 -- Medium is more verbose.
604 -- High is extremely verbose.
606 Current_Verbosity : Verbosity := Default;
607 -- The current value of the verbosity the project files are parsed with
609 type Lib_Kind is (Static, Dynamic, Relocatable);
611 type Policy is (Autonomous, Compliant, Controlled, Restricted, Direct);
612 -- Type to specify the symbol policy, when symbol control is supported.
613 -- See full explanation about this type in package Symbols.
614 -- Autonomous: Create a symbol file without considering any reference
615 -- Compliant: Try to be as compatible as possible with an existing ref
616 -- Controlled: Fail if symbols are not the same as those in the reference
617 -- Restricted: Restrict the symbols to those in the symbol file
618 -- Direct: The symbol file is used as is
620 type Symbol_Record is record
621 Symbol_File : Path_Name_Type := No_Path;
622 Reference : Path_Name_Type := No_Path;
623 Symbol_Policy : Policy := Autonomous;
625 -- Type to keep the symbol data to be used when building a shared library
627 No_Symbols : constant Symbol_Record :=
628 (Symbol_File => No_Path,
629 Reference => No_Path,
630 Symbol_Policy => Autonomous);
631 -- The default value of the symbol data
633 function Image (Casing : Casing_Type) return String;
634 -- Similar to 'Image (but avoid use of this attribute in compiler)
636 function Value (Image : String) return Casing_Type;
637 -- Similar to 'Value (but avoid use of this attribute in compiler)
638 -- Raises Constraint_Error if not a Casing_Type image.
640 -- Declarations for gprmake:
642 First_Language_Index : constant Language_Index := 1;
643 First_Language_Indexes_Last : constant Language_Index := 5;
645 Ada_Language_Index : constant Language_Index :=
646 First_Language_Index;
647 C_Language_Index : constant Language_Index :=
648 Ada_Language_Index + 1;
649 C_Plus_Plus_Language_Index : constant Language_Index :=
650 C_Language_Index + 1;
652 Last_Language_Index : Language_Index := No_Language_Index;
654 subtype First_Language_Indexes is Language_Index
655 range First_Language_Index .. First_Language_Indexes_Last;
657 package Language_Indexes is new System.HTable.Simple_HTable
658 (Header_Num => Header_Num,
659 Element => Language_Index,
660 No_Element => No_Language_Index,
664 -- Mapping of language names to language indexes
666 package Language_Names is new Table.Table
667 (Table_Component_Type => Name_Id,
668 Table_Index_Type => Language_Index,
669 Table_Low_Bound => 1,
671 Table_Increment => 100,
672 Table_Name => "Prj.Language_Names");
673 -- The table for the name of programming languages
675 procedure Add_Language_Name (Name : Name_Id);
677 procedure Display_Language_Name (Language : Language_Index);
679 type Languages_In_Project is array (First_Language_Indexes) of Boolean;
680 -- Set of supported languages used in a project
682 No_Languages : constant Languages_In_Project := (others => False);
683 -- No supported languages are used
685 type Supp_Language_Index is new Nat;
686 No_Supp_Language_Index : constant Supp_Language_Index := 0;
688 type Supp_Language is record
689 Index : Language_Index := No_Language_Index;
690 Present : Boolean := False;
691 Next : Supp_Language_Index := No_Supp_Language_Index;
694 package Present_Language_Table is new GNAT.Dynamic_Tables
695 (Table_Component_Type => Supp_Language,
696 Table_Index_Type => Supp_Language_Index,
697 Table_Low_Bound => 1,
699 Table_Increment => 100);
700 -- The table for the presence of languages with an index that is outside
701 -- of First_Language_Indexes.
703 type Impl_Suffix_Array is array (First_Language_Indexes) of File_Name_Type;
704 -- Suffixes for the non spec sources of the different supported languages
707 No_Impl_Suffixes : constant Impl_Suffix_Array := (others => No_File);
708 -- A default value for the non spec source suffixes
710 type Supp_Suffix is record
711 Index : Language_Index := No_Language_Index;
712 Suffix : File_Name_Type := No_File;
713 Next : Supp_Language_Index := No_Supp_Language_Index;
716 package Supp_Suffix_Table is new GNAT.Dynamic_Tables
717 (Table_Component_Type => Supp_Suffix,
718 Table_Index_Type => Supp_Language_Index,
719 Table_Low_Bound => 1,
721 Table_Increment => 100);
722 -- The table for the presence of languages with an index that is outside
723 -- of First_Language_Indexes.
725 type Lang_Kind is (GNU, Other);
727 type Language_Processing_Data is record
728 Compiler_Drivers : Name_List_Index := No_Name_List;
729 Compiler_Paths : Name_Id := No_Name;
730 Compiler_Kinds : Lang_Kind := GNU;
731 Dependency_Options : Name_List_Index := No_Name_List;
732 Compute_Dependencies : Name_List_Index := No_Name_List;
733 Include_Options : Name_List_Index := No_Name_List;
734 Binder_Drivers : Name_Id := No_Name;
735 Binder_Driver_Paths : Name_Id := No_Name;
738 Default_Language_Processing_Data :
739 constant Language_Processing_Data :=
740 (Compiler_Drivers => No_Name_List,
741 Compiler_Paths => No_Name,
742 Compiler_Kinds => GNU,
743 Dependency_Options => No_Name_List,
744 Compute_Dependencies => No_Name_List,
745 Include_Options => No_Name_List,
746 Binder_Drivers => No_Name,
747 Binder_Driver_Paths => No_Name);
749 type First_Language_Processing_Data is
750 array (First_Language_Indexes) of Language_Processing_Data;
752 Default_First_Language_Processing_Data :
753 constant First_Language_Processing_Data :=
754 (others => Default_Language_Processing_Data);
756 type Supp_Language_Data is record
757 Index : Language_Index := No_Language_Index;
758 Data : Language_Processing_Data := Default_Language_Processing_Data;
759 Next : Supp_Language_Index := No_Supp_Language_Index;
762 package Supp_Language_Table is new GNAT.Dynamic_Tables
763 (Table_Component_Type => Supp_Language_Data,
764 Table_Index_Type => Supp_Language_Index,
765 Table_Low_Bound => 1,
767 Table_Increment => 100);
768 -- The table for language data when there are more languages than
769 -- in First_Language_Indexes.
771 type Other_Source_Id is new Nat;
772 No_Other_Source : constant Other_Source_Id := 0;
774 type Other_Source is record
775 Language : Language_Index; -- language of the source
776 File_Name : File_Name_Type; -- source file simple name
777 Path_Name : Path_Name_Type; -- source full path name
778 Source_TS : Time_Stamp_Type; -- source file time stamp
779 Object_Name : File_Name_Type; -- object file simple name
780 Object_Path : Path_Name_Type; -- object full path name
781 Object_TS : Time_Stamp_Type; -- object file time stamp
782 Dep_Name : File_Name_Type; -- dependency file simple name
783 Dep_Path : Path_Name_Type; -- dependency full path name
784 Dep_TS : Time_Stamp_Type; -- dependency file time stamp
785 Naming_Exception : Boolean := False; -- True if a naming exception
786 Next : Other_Source_Id := No_Other_Source;
788 -- Data for a source in a language other than Ada
790 package Other_Source_Table is new GNAT.Dynamic_Tables
791 (Table_Component_Type => Other_Source,
792 Table_Index_Type => Other_Source_Id,
793 Table_Low_Bound => 1,
794 Table_Initial => 200,
795 Table_Increment => 100);
796 -- The table for sources of languages other than Ada
798 -- The following record contains data for a naming scheme
800 type Naming_Data is record
802 Dot_Replacement : File_Name_Type := No_File;
803 -- The string to replace '.' in the source file name (for Ada)
805 Dot_Repl_Loc : Source_Ptr := No_Location;
807 Casing : Casing_Type := All_Lower_Case;
808 -- The casing of the source file name (for Ada)
810 Spec_Suffix : Array_Element_Id := No_Array_Element;
811 -- The string to append to the unit name for the
812 -- source file name of a spec.
813 -- Indexed by the programming language.
815 Ada_Spec_Suffix_Loc : Source_Ptr := No_Location;
817 Body_Suffix : Array_Element_Id := No_Array_Element;
818 -- The string to append to the unit name for the
819 -- source file name of a body.
820 -- Indexed by the programming language.
822 Ada_Body_Suffix_Loc : Source_Ptr := No_Location;
824 Separate_Suffix : File_Name_Type := No_File;
825 -- String to append to unit name for source file name of an Ada subunit
827 Sep_Suffix_Loc : Source_Ptr := No_Location;
828 -- Position in the project file source where Separate_Suffix is defined
830 Specs : Array_Element_Id := No_Array_Element;
831 -- An associative array mapping individual specs to source file names
832 -- This is specific to Ada.
834 Bodies : Array_Element_Id := No_Array_Element;
835 -- An associative array mapping individual bodies to source file names
836 -- This is specific to Ada.
838 Specification_Exceptions : Array_Element_Id := No_Array_Element;
839 -- An associative array listing spec file names that do not have the
840 -- spec suffix. Not used by Ada. Indexed by programming language name.
842 Implementation_Exceptions : Array_Element_Id := No_Array_Element;
843 -- An associative array listing body file names that do not have the
844 -- body suffix. Not used by Ada. Indexed by programming language name.
848 Impl_Suffixes : Impl_Suffix_Array := No_Impl_Suffixes;
849 Supp_Suffixes : Supp_Language_Index := No_Supp_Language_Index;
852 function Spec_Suffix_Of
853 (In_Tree : Project_Tree_Ref;
855 Naming : Naming_Data) return String;
857 function Spec_Suffix_Id_Of
858 (In_Tree : Project_Tree_Ref;
860 Naming : Naming_Data) return File_Name_Type;
862 procedure Set_Spec_Suffix
863 (In_Tree : Project_Tree_Ref;
865 Naming : in out Naming_Data;
866 Suffix : File_Name_Type);
868 function Body_Suffix_Id_Of
869 (In_Tree : Project_Tree_Ref;
871 Naming : Naming_Data) return File_Name_Type;
873 function Body_Suffix_Of
874 (In_Tree : Project_Tree_Ref;
876 Naming : Naming_Data) return String;
878 procedure Set_Body_Suffix
879 (In_Tree : Project_Tree_Ref;
881 Naming : in out Naming_Data;
882 Suffix : File_Name_Type);
884 function Objects_Exist_For
886 In_Tree : Project_Tree_Ref) return Boolean;
888 function Standard_Naming_Data
889 (Tree : Project_Tree_Ref := No_Project_Tree) return Naming_Data;
890 pragma Inline (Standard_Naming_Data);
891 -- The standard GNAT naming scheme when Tree is No_Project_Tree.
892 -- Otherwise, return the default naming scheme for the project tree Tree,
893 -- which must have been Initialized.
895 function Same_Naming_Scheme
896 (Left, Right : Naming_Data) return Boolean;
897 -- Returns True if Left and Right are the same naming scheme
898 -- not considering Specs and Bodies.
900 type Project_List is new Nat;
901 Empty_Project_List : constant Project_List := 0;
902 -- A list of project files
904 type Project_Element is record
905 Project : Project_Id := No_Project;
906 Next : Project_List := Empty_Project_List;
908 -- Element in a list of project files. Next is the id of the next
909 -- project file in the list.
911 package Project_List_Table is new GNAT.Dynamic_Tables
912 (Table_Component_Type => Project_Element,
913 Table_Index_Type => Project_List,
914 Table_Low_Bound => 1,
915 Table_Initial => 100,
916 Table_Increment => 100);
917 -- The table that contains the lists of project files
919 type Project_Configuration is record
920 Run_Path_Option : Name_List_Index := No_Name_List;
921 -- The option to use when linking to specify the path where to look
924 Executable_Suffix : Name_Id := No_Name;
925 -- The suffix of executables, when specified in the configuration or
926 -- in package Builder of the main project. When this is not
927 -- specified, the executable suffix is the default for the platform.
931 Linker : Path_Name_Type := No_Path;
932 -- Path name of the linker driver; specified in the configuration
933 -- or in the package Builder of the main project.
935 Minimum_Linker_Options : Name_List_Index := No_Name_List;
936 -- The minimum options for the linker driver; specified in the
939 Linker_Executable_Option : Name_List_Index := No_Name_List;
940 -- The option(s) to indicate the name of the executable in the
941 -- linker command. Specified in the configuration. When not
942 -- specified, default to -o <executable name>.
944 Linker_Lib_Dir_Option : Name_Id := No_Name;
945 -- The option to specify where to find a library for linking.
946 -- Specified in the configuration. When not specified, defaults to
949 Linker_Lib_Name_Option : Name_Id := No_Name;
950 -- The option to specify the name of a library for linking.
951 -- Specified in the configuration. When not specified, defaults to
956 Library_Builder : Path_Name_Type := No_Path;
957 -- The executable to build library. Specified in the configuration.
959 Lib_Support : Library_Support := None;
960 -- The level of library support. Specified in the configuration.
961 -- Support is none, static libraries only or both static and shared
966 Archive_Builder : Name_List_Index := No_Name_List;
967 -- The name of the executable to build archives, with the minimum
968 -- switches. Specified in the configuration.
970 Archive_Indexer : Name_List_Index := No_Name_List;
971 -- The name of the executable to index archives, with the minimum
972 -- switches. Specified in the configuration.
974 Archive_Suffix : File_Name_Type := No_File;
975 -- The suffix of archives. Specified in the configuration. When not
976 -- specified, defaults to ".a".
978 Lib_Partial_Linker : Name_List_Index := No_Name_List;
982 Shared_Lib_Prefix : File_Name_Type := No_File;
983 -- Part of a shared library file name that precedes the name of the
984 -- library. Specified in the configuration. When not specified,
985 -- defaults to "lib".
987 Shared_Lib_Suffix : File_Name_Type := No_File;
988 -- Suffix of shared libraries, after the library name in the shared
989 -- library name. Specified in the configuration. When not specified,
992 Shared_Lib_Min_Options : Name_List_Index := No_Name_List;
995 Lib_Version_Options : Name_List_Index := No_Name_List;
998 Symbolic_Link_Supported : Boolean := False;
1001 Lib_Maj_Min_Id_Supported : Boolean := False;
1004 Auto_Init_Supported : Boolean := False;
1008 Default_Project_Config : constant Project_Configuration :=
1009 (Run_Path_Option => No_Name_List,
1010 Executable_Suffix => No_Name,
1012 Minimum_Linker_Options => No_Name_List,
1013 Linker_Executable_Option => No_Name_List,
1014 Linker_Lib_Dir_Option => No_Name,
1015 Linker_Lib_Name_Option => No_Name,
1016 Library_Builder => No_Path,
1017 Lib_Support => None,
1018 Archive_Builder => No_Name_List,
1019 Archive_Indexer => No_Name_List,
1020 Archive_Suffix => No_File,
1021 Lib_Partial_Linker => No_Name_List,
1022 Shared_Lib_Prefix => No_File,
1023 Shared_Lib_Suffix => No_File,
1024 Shared_Lib_Min_Options => No_Name_List,
1025 Lib_Version_Options => No_Name_List,
1026 Symbolic_Link_Supported => False,
1027 Lib_Maj_Min_Id_Supported => False,
1028 Auto_Init_Supported => False);
1030 -- The following record describes a project file representation
1032 type Project_Data is record
1033 Externally_Built : Boolean := False;
1034 -- True if the project is externally built. In such case, the Project
1035 -- Manager will not modify anything in this project.
1037 Languages : Name_List_Index := No_Name_List;
1038 -- The list of languages of the sources of this project
1040 Config : Project_Configuration;
1042 First_Referred_By : Project_Id := No_Project;
1043 -- The project, if any, that was the first to be known as importing or
1044 -- extending this project
1046 Name : Name_Id := No_Name;
1047 -- The name of the project
1049 Display_Name : Name_Id := No_Name;
1050 -- The name of the project with the spelling of its declaration
1052 Path_Name : Path_Name_Type := No_Path;
1053 -- The path name of the project file
1055 Display_Path_Name : Path_Name_Type := No_Path;
1056 -- The path name used for display purposes. May be different from
1057 -- Path_Name for platforms where the file names are case-insensitive.
1059 Virtual : Boolean := False;
1060 -- True for virtual extending projects
1062 Location : Source_Ptr := No_Location;
1063 -- The location in the project file source of the reserved word project
1065 Mains : String_List_Id := Nil_String;
1066 -- List of mains specified by attribute Main
1068 Directory : Path_Name_Type := No_Path;
1069 -- Path name of the directory where the project file resides
1071 Display_Directory : Path_Name_Type := No_Path;
1072 -- The path name of the project directory, for display purposes. May be
1073 -- different from Directory for platforms where the file names are
1074 -- case-insensitive.
1076 Dir_Path : String_Access;
1077 -- Same as Directory, but as an access to String
1079 Library : Boolean := False;
1080 -- True if this is a library project
1082 Library_Dir : Path_Name_Type := No_Path;
1083 -- If a library project, path name of the directory where the library
1086 Display_Library_Dir : Path_Name_Type := No_Path;
1087 -- The path name of the library directory, for display purposes. May be
1088 -- different from Library_Dir for platforms where the file names are
1089 -- case-insensitive.
1091 Library_TS : Time_Stamp_Type := Empty_Time_Stamp;
1092 -- The timestamp of a library file in a library project
1094 Library_Src_Dir : Path_Name_Type := No_Path;
1095 -- If a Stand-Alone Library project, path name of the directory where
1096 -- the sources of the interfaces of the library are copied. By default,
1097 -- if attribute Library_Src_Dir is not specified, sources of the
1098 -- interfaces are not copied anywhere.
1100 Display_Library_Src_Dir : Path_Name_Type := No_Path;
1101 -- The path name of the library source directory, for display purposes.
1102 -- May be different from Library_Src_Dir for platforms where the file
1103 -- names are case-insensitive.
1105 Library_ALI_Dir : Path_Name_Type := No_Path;
1106 -- In a library project, path name of the directory where the ALI files
1107 -- are copied. If attribute Library_ALI_Dir is not specified, ALI files
1108 -- are copied in the Library_Dir.
1110 Display_Library_ALI_Dir : Path_Name_Type := No_Path;
1111 -- The path name of the library ALI directory, for display purposes. May
1112 -- be different from Library_ALI_Dir for platforms where the file names
1113 -- are case-insensitive.
1115 Library_Name : Name_Id := No_Name;
1116 -- If a library project, name of the library
1118 Library_Kind : Lib_Kind := Static;
1119 -- If a library project, kind of library
1121 Lib_Internal_Name : Name_Id := No_Name;
1122 -- If a library project, internal name store inside the library
1124 Standalone_Library : Boolean := False;
1125 -- Indicate that this is a Standalone Library Project File
1127 Lib_Interface_ALIs : String_List_Id := Nil_String;
1128 -- For Standalone Library Project Files, indicate the list of Interface
1131 Lib_Auto_Init : Boolean := False;
1132 -- For non static Stand-Alone Library Project Files, indicate if
1133 -- the library initialisation should be automatic.
1135 Libgnarl_Needed : Yes_No_Unknown := Unknown;
1136 -- Set to True when libgnarl is needed to link
1138 Symbol_Data : Symbol_Record := No_Symbols;
1139 -- Symbol file name, reference symbol file name, symbol policy
1141 Ada_Sources : String_List_Id := Nil_String;
1142 -- The list of all the Ada source file names (gnatmake only).
1144 Sources : String_List_Id := Nil_String;
1145 -- Identical to Ada_Sources. For upward compatibility of GPS.
1147 First_Source : Source_Id := No_Source;
1148 Last_Source : Source_Id := No_Source;
1149 -- Head and tail of the list of sources
1151 Unit_Based_Language_Name : Name_Id := No_Name;
1152 Unit_Based_Language_Index : Language_Index := No_Language_Index;
1153 -- The name and index, if any, of the unit-based language of some
1154 -- sources of the project. There may be only one unit-based language
1157 Imported_Directories_Switches : Argument_List_Access := null;
1158 -- List of the source search switches (-I<source dir>) to be used when
1161 Include_Path : String_Access := null;
1162 -- Value of the environment variable to indicate the source search path,
1163 -- instead of a list of switches (Imported_Directories_Switches).
1165 Include_Path_File : Path_Name_Type := No_Path;
1166 -- The path name of the of the source search directory file
1168 Include_Data_Set : Boolean := False;
1169 -- Set True when Imported_Directories_Switches or Include_Path are set
1171 Include_Language : Language_Index := No_Language_Index;
1173 Source_Dirs : String_List_Id := Nil_String;
1174 -- The list of all the source directories
1176 Known_Order_Of_Source_Dirs : Boolean := True;
1177 -- False, if there is any /** in the Source_Dirs, because in this case
1178 -- the ordering of the source subdirs depend on the OS. If True,
1179 -- duplicate file names in the same project file are allowed.
1181 Object_Directory : Path_Name_Type := No_Path;
1182 -- The path name of the object directory of this project file
1184 Display_Object_Dir : Path_Name_Type := No_Path;
1185 -- The path name of the object directory, for display purposes. May be
1186 -- different from Object_Directory for platforms where the file names
1187 -- are case-insensitive.
1189 Exec_Directory : Path_Name_Type := No_Path;
1190 -- The path name of the exec directory of this project file. Default is
1191 -- equal to Object_Directory.
1193 Display_Exec_Dir : Path_Name_Type := No_Path;
1194 -- The path name of the exec directory, for display purposes. May be
1195 -- different from Exec_Directory for platforms where the file names are
1196 -- case-insensitive.
1198 Extends : Project_Id := No_Project;
1199 -- The reference of the project file, if any, that this project file
1202 Extended_By : Project_Id := No_Project;
1203 -- The reference of the project file, if any, that extends this project
1206 Naming : Naming_Data := Standard_Naming_Data;
1207 -- The naming scheme of this project file
1209 First_Language_Processing : Language_Index := No_Language_Index;
1210 -- Comment needed ???
1212 Decl : Declarations := No_Declarations;
1213 -- The declarations (variables, attributes and packages) of this project
1216 Imported_Projects : Project_List := Empty_Project_List;
1217 -- The list of all directly imported projects, if any
1219 All_Imported_Projects : Project_List := Empty_Project_List;
1220 -- The list of all projects imported directly or indirectly, if any
1222 Ada_Include_Path : String_Access := null;
1223 -- The cached value of ADA_INCLUDE_PATH for this project file. Do not
1224 -- use this field directly outside of the compiler, use
1225 -- Prj.Env.Ada_Include_Path instead.
1227 Ada_Objects_Path : String_Access := null;
1228 -- The cached value of ADA_OBJECTS_PATH for this project file. Do not
1229 -- use this field directly outside of the compiler, use
1230 -- Prj.Env.Ada_Objects_Path instead.
1232 Objects_Path : String_Access := null;
1235 Objects_Path_File_With_Libs : Path_Name_Type := No_Path;
1236 -- The cached value of the object path temp file (including library
1237 -- dirs) for this project file.
1239 Objects_Path_File_Without_Libs : Path_Name_Type := No_Path;
1240 -- The cached value of the object path temp file (excluding library
1241 -- dirs) for this project file.
1243 Config_File_Name : Path_Name_Type := No_Path;
1244 -- The path name of the configuration pragmas file, if any
1246 Config_File_Temp : Boolean := False;
1247 -- An indication that the configuration pragmas file is a temporary file
1248 -- that must be deleted at the end.
1250 Linker_Name : File_Name_Type := No_File;
1251 -- Value of attribute Language_Processing'Linker in the project file
1253 Linker_Path : Path_Name_Type := No_Path;
1254 -- Path of linker when attribute Language_Processing'Linker is specified
1256 Minimum_Linker_Options : Name_List_Index := No_Name_List;
1257 -- List of options specified in attribute
1258 -- Language_Processing'Minimum_Linker_Options.
1260 Config_Checked : Boolean := False;
1261 -- A flag to avoid checking repetitively the configuration pragmas file
1263 Checked : Boolean := False;
1264 -- A flag to avoid checking repetitively the naming scheme of this
1267 Seen : Boolean := False;
1268 -- A flag to mark a project as "visited" to avoid processing the same
1269 -- project several time.
1271 Need_To_Build_Lib : Boolean := False;
1272 -- Indicates that the library of a Library Project needs to be built or
1275 Depth : Natural := 0;
1276 -- The maximum depth of a project in the project graph. Depth of main
1279 Unkept_Comments : Boolean := False;
1280 -- True if there are comments in the project sources that cannot be kept
1281 -- in the project tree.
1285 Langs : Languages_In_Project := No_Languages;
1286 Supp_Languages : Supp_Language_Index := No_Supp_Language_Index;
1287 -- Indicate the different languages of the source of this project
1289 Ada_Sources_Present : Boolean := True;
1290 Other_Sources_Present : Boolean := True;
1291 First_Other_Source : Other_Source_Id := No_Other_Source;
1292 Last_Other_Source : Other_Source_Id := No_Other_Source;
1293 First_Lang_Processing : First_Language_Processing_Data :=
1294 Default_First_Language_Processing_Data;
1295 Supp_Language_Processing : Supp_Language_Index := No_Supp_Language_Index;
1298 function Empty_Project (Tree : Project_Tree_Ref) return Project_Data;
1299 -- Return the representation of an empty project in project Tree tree.
1300 -- The project tree Tree must have been Initialized and/or Reset.
1302 function Is_Extending
1303 (Extending : Project_Id;
1304 Extended : Project_Id;
1305 In_Tree : Project_Tree_Ref) return Boolean;
1307 function Is_A_Language
1308 (Tree : Project_Tree_Ref;
1309 Data : Project_Data;
1310 Language_Name : String) return Boolean;
1312 function There_Are_Ada_Sources
1313 (In_Tree : Project_Tree_Ref;
1314 Project : Project_Id) return Boolean;
1316 Project_Error : exception;
1317 -- Raised by some subprograms in Prj.Attr
1319 package Project_Table is new GNAT.Dynamic_Tables (
1320 Table_Component_Type => Project_Data,
1321 Table_Index_Type => Project_Id,
1322 Table_Low_Bound => 1,
1323 Table_Initial => 100,
1324 Table_Increment => 100);
1325 -- The set of all project files
1327 type Spec_Or_Body is
1328 (Specification, Body_Part);
1330 type File_Name_Data is record
1331 Name : File_Name_Type := No_File;
1333 Display_Name : File_Name_Type := No_File;
1334 Path : Path_Name_Type := No_Path;
1335 Display_Path : Path_Name_Type := No_Path;
1336 Project : Project_Id := No_Project;
1337 Needs_Pragma : Boolean := False;
1339 -- File and Path name of a spec or body
1341 type File_Names_Data is array (Spec_Or_Body) of File_Name_Data;
1343 type Unit_Index is new Nat;
1344 No_Unit_Index : constant Unit_Index := 0;
1345 type Unit_Data is record
1346 Name : Name_Id := No_Name;
1347 File_Names : File_Names_Data;
1349 -- Name and File and Path names of a unit, with a reference to its
1350 -- GNAT Project File(s).
1352 package Unit_Table is new GNAT.Dynamic_Tables
1353 (Table_Component_Type => Unit_Data,
1354 Table_Index_Type => Unit_Index,
1355 Table_Low_Bound => 1,
1356 Table_Initial => 100,
1357 Table_Increment => 100);
1358 -- Table of all units in a project tree
1360 package Units_Htable is new Simple_HTable
1361 (Header_Num => Header_Num,
1362 Element => Unit_Index,
1363 No_Element => No_Unit_Index,
1367 -- Mapping of unit names to indexes in the Units table
1369 type Unit_Project is record
1370 Unit : Unit_Index := No_Unit_Index;
1371 Project : Project_Id := No_Project;
1374 No_Unit_Project : constant Unit_Project := (No_Unit_Index, No_Project);
1376 package Files_Htable is new Simple_HTable
1377 (Header_Num => Header_Num,
1378 Element => Unit_Project,
1379 No_Element => No_Unit_Project,
1380 Key => File_Name_Type,
1383 -- Mapping of file names to indexes in the Units table
1385 type Private_Project_Tree_Data is private;
1386 -- Data for a project tree that is used only by the Project Manager
1388 type Project_Tree_Data is
1392 Default_Language : Name_Id := No_Name;
1393 -- The name of the language of the sources of a project, when
1394 -- attribute Languages is not specified.
1396 Config : Project_Configuration;
1398 -- Languages and sources of the project
1400 First_Language : Language_Index := No_Language_Index;
1403 First_Source : Source_Id := No_Source;
1408 Languages_Data : Language_Data_Table.Instance;
1409 Name_Lists : Name_List_Table.Instance;
1410 String_Elements : String_Element_Table.Instance;
1411 Variable_Elements : Variable_Element_Table.Instance;
1412 Array_Elements : Array_Element_Table.Instance;
1413 Arrays : Array_Table.Instance;
1414 Packages : Package_Table.Instance;
1415 Project_Lists : Project_List_Table.Instance;
1416 Projects : Project_Table.Instance;
1417 Sources : Source_Data_Table.Instance;
1418 Alt_Langs : Alternate_Language_Table.Instance;
1419 Units : Unit_Table.Instance;
1420 Units_HT : Units_Htable.Instance;
1421 Files_HT : Files_Htable.Instance;
1422 Source_Paths_HT : Source_Paths_Htable.Instance;
1426 Present_Languages : Present_Language_Table.Instance;
1427 Supp_Suffixes : Supp_Suffix_Table.Instance;
1428 Supp_Languages : Supp_Language_Table.Instance;
1429 Other_Sources : Other_Source_Table.Instance;
1433 Private_Part : Private_Project_Tree_Data;
1435 -- Data for a project tree
1437 type Put_Line_Access is access procedure
1439 Project : Project_Id;
1440 In_Tree : Project_Tree_Ref);
1441 -- Use to customize error reporting in Prj.Proc and Prj.Nmsc
1443 procedure Expect (The_Token : Token_Type; Token_Image : String);
1444 -- Check that the current token is The_Token. If it is not, then
1445 -- output an error message.
1447 procedure Initialize (Tree : Project_Tree_Ref);
1448 -- This procedure must be called before using any services from the Prj
1449 -- hierarchy. Namet.Initialize must be called before Prj.Initialize.
1451 procedure Reset (Tree : Project_Tree_Ref);
1452 -- This procedure resets all the tables that are used when processing a
1453 -- project file tree. Initialize must be called before the call to Reset.
1455 procedure Register_Default_Naming_Scheme
1456 (Language : Name_Id;
1457 Default_Spec_Suffix : File_Name_Type;
1458 Default_Body_Suffix : File_Name_Type;
1459 In_Tree : Project_Tree_Ref);
1460 -- Register the default suffixes for a given language. These extensions
1461 -- will be ignored if the user has specified a new naming scheme in a
1464 -- Otherwise, this information will be automatically added to Naming_Data
1465 -- when a project is processed, in the lists Spec_Suffix and Body_Suffix.
1468 type State is limited private;
1469 with procedure Action
1470 (Project : Project_Id;
1471 With_State : in out State);
1472 procedure For_Every_Project_Imported
1474 In_Tree : Project_Tree_Ref;
1475 With_State : in out State);
1476 -- Call Action for each project imported directly or indirectly by project
1477 -- By. Action is called according to the order of importation: if A
1478 -- imports B, directly or indirectly, Action will be called for A before
1479 -- it is called for B. If two projects import each other directly or
1480 -- indirectly (using at least one "limited with"), it is not specified
1481 -- for which of these two projects Action will be called first. Projects
1482 -- that are extended by other projects are not considered. With_State may
1483 -- be used by Action to choose a behavior or to report some global result.
1485 function Extend_Name
1486 (File : File_Name_Type;
1487 With_Suffix : String) return File_Name_Type;
1488 -- Replace the extension of File with With_Suffix
1490 function Object_Name
1491 (Source_File_Name : File_Name_Type) return File_Name_Type;
1492 -- Returns the object file name corresponding to a source file name
1494 function Dependency_Name
1495 (Source_File_Name : File_Name_Type;
1496 Dependency : Dependency_File_Kind) return File_Name_Type;
1497 -- Returns the dependency file name corresponding to a source file name
1499 function Switches_Name
1500 (Source_File_Name : File_Name_Type) return File_Name_Type;
1501 -- Returns the switches file name corresponding to a source file name
1505 function Body_Suffix_Of
1506 (Language : Language_Index;
1507 In_Project : Project_Data;
1508 In_Tree : Project_Tree_Ref) return String;
1509 -- Returns the suffix of sources of language Language in project In_Project
1510 -- in project tree In_Tree.
1513 (Language : Language_Index;
1514 In_Project : Project_Data;
1515 In_Tree : Project_Tree_Ref) return Boolean;
1516 -- Return True when Language is one of the languages used in
1517 -- project In_Project.
1520 (Language : Language_Index;
1522 In_Project : in out Project_Data;
1523 In_Tree : Project_Tree_Ref);
1524 -- Indicate if Language is or not a language used in project In_Project
1526 function Language_Processing_Data_Of
1527 (Language : Language_Index;
1528 In_Project : Project_Data;
1529 In_Tree : Project_Tree_Ref) return Language_Processing_Data;
1530 -- Return the Language_Processing_Data for language Language in project
1531 -- In_Project. Return the default when no Language_Processing_Data are
1532 -- defined for the language.
1535 (Language_Processing : Language_Processing_Data;
1536 For_Language : Language_Index;
1537 In_Project : in out Project_Data;
1538 In_Tree : Project_Tree_Ref);
1539 -- Set the Language_Processing_Data for language Language in project
1543 (Language : Language_Index;
1544 In_Project : Project_Data;
1545 In_Tree : Project_Tree_Ref) return File_Name_Type;
1546 -- Return the suffix for language Language in project In_Project. Return
1547 -- No_Name when no suffix is defined for the language.
1550 (Suffix : File_Name_Type;
1551 For_Language : Language_Index;
1552 In_Project : in out Project_Data;
1553 In_Tree : Project_Tree_Ref);
1554 -- Set the suffix for language Language in project In_Project
1560 procedure Record_Temp_File (Path : Path_Name_Type);
1561 -- Record the path of a newly created temporary file, so that it can be
1564 procedure Delete_All_Temp_Files;
1565 -- Delete all recorded temporary files
1569 All_Packages : constant String_List_Access := null;
1571 No_Project_Tree : constant Project_Tree_Ref := null;
1573 Ignored : constant Variable_Kind := Single;
1575 Nil_Variable_Value : constant Variable_Value :=
1576 (Project => No_Project,
1578 Location => No_Location,
1581 Virtual_Prefix : constant String := "v$";
1582 -- The prefix for virtual extending projects. Because of the '$', which is
1583 -- normally forbidden for project names, there cannot be any name clash.
1585 Empty_Name : Name_Id;
1586 -- Name_Id for an empty name (no characters). Initialized by the call
1587 -- to procedure Initialize.
1589 procedure Add_To_Buffer
1591 To : in out String_Access;
1592 Last : in out Natural);
1593 -- Append a String to the Buffer
1595 type Naming_Id is new Nat;
1597 package Naming_Table is new GNAT.Dynamic_Tables
1598 (Table_Component_Type => Naming_Data,
1599 Table_Index_Type => Naming_Id,
1600 Table_Low_Bound => 1,
1602 Table_Increment => 100);
1605 package Path_File_Table is new GNAT.Dynamic_Tables
1606 (Table_Component_Type => Path_Name_Type,
1607 Table_Index_Type => Natural,
1608 Table_Low_Bound => 1,
1609 Table_Initial => 50,
1610 Table_Increment => 100);
1611 -- Table storing all the temp path file names.
1612 -- Used by Delete_All_Path_Files.
1614 package Source_Path_Table is new GNAT.Dynamic_Tables
1615 (Table_Component_Type => Name_Id,
1616 Table_Index_Type => Natural,
1617 Table_Low_Bound => 1,
1618 Table_Initial => 50,
1619 Table_Increment => 100);
1620 -- A table to store the source dirs before creating the source path file
1622 package Object_Path_Table is new GNAT.Dynamic_Tables
1623 (Table_Component_Type => Path_Name_Type,
1624 Table_Index_Type => Natural,
1625 Table_Low_Bound => 1,
1626 Table_Initial => 50,
1627 Table_Increment => 100);
1628 -- A table to store the object dirs, before creating the object path file
1630 type Private_Project_Tree_Data is record
1631 Namings : Naming_Table.Instance;
1632 Path_Files : Path_File_Table.Instance;
1633 Source_Paths : Source_Path_Table.Instance;
1634 Object_Paths : Object_Path_Table.Instance;
1635 Default_Naming : Naming_Data;
1637 -- Type to represent the part of a project tree which is private to the