1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2001-2009, 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 3, 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 COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 -- The following package declares the data types for GNAT project.
27 -- These data types may be used by GNAT Project-aware tools.
29 -- Children of these package implements various services on these data types.
30 -- See in particular Prj.Pars and Prj.Env.
32 with Casing; use Casing;
33 with Namet; use Namet;
34 with Scans; use Scans;
35 with Types; use Types;
37 with GNAT.Dynamic_HTables; use GNAT.Dynamic_HTables;
38 with GNAT.Dynamic_Tables;
39 with GNAT.OS_Lib; use GNAT.OS_Lib;
43 All_Other_Names : constant Name_Id := Names_High_Bound;
44 -- Name used to replace others as an index of an associative array
45 -- attribute in situations where this is allowed.
47 Subdirs : String_Ptr := null;
48 -- The value after the equal sign in switch --subdirs=...
49 -- Contains the relative subdirectory.
51 type Library_Support is (None, Static_Only, Full);
52 -- Support for Library Project File.
53 -- - None: Library Project Files are not supported at all
54 -- - Static_Only: Library Project Files are only supported for static
56 -- - Full: Library Project Files are supported for static and dynamic
57 -- (shared) libraries.
59 type Yes_No_Unknown is (Yes, No, Unknown);
60 -- Tri-state to decide if -lgnarl is needed when linking
62 type Mode is (Multi_Language, Ada_Only);
63 -- Ada_Only: mode for gnatmake, gnatclean, gnatname, the GNAT driver
64 -- Multi_Language: mode for gprbuild, gprclean
66 type Project_Qualifier is
74 -- Qualifiers that can prefix the reserved word "project" in a project
76 -- Standard: standard project ...
77 -- Library: library project is ...
78 -- Dry: abstract project is
79 -- Aggregate: aggregate project is
80 -- Aggregate_Library: aggregate library project is ...
81 -- Configuration: configuration project is ...
83 function Get_Mode return Mode;
84 pragma Inline (Get_Mode);
86 procedure Set_Mode (New_Mode : Mode);
87 pragma Inline (Set_Mode);
89 Default_Language_Is_Ada : Boolean := True;
90 -- If no language was defined in the project or the configuration file, it
91 -- is an error, unless this variable is True, in which case it defaults to
92 -- Ada. Calling Set_Mode will reset this variable, default is for Ada_Only.
94 Must_Check_Configuration : Boolean := False;
95 -- True when the contents of the configuration file must be checked. This
96 -- is in general only needed by gprbuild itself, since other applications
97 -- can ignore such errors when they don't need to build directly. Calling
98 -- Set_Mode will reset this variable, default is for Ada_Only.
100 All_Packages : constant String_List_Access;
101 -- Default value of parameter Packages of procedures Parse, in Prj.Pars and
102 -- Prj.Part, indicating that all packages should be checked.
104 type Project_Tree_Data;
105 type Project_Tree_Ref is access all Project_Tree_Data;
106 -- Reference to a project tree. Several project trees may exist in memory
109 No_Project_Tree : constant Project_Tree_Ref;
111 procedure Free (Tree : in out Project_Tree_Ref);
112 -- Free memory associated with the tree
114 function Default_Ada_Spec_Suffix return File_Name_Type;
115 pragma Inline (Default_Ada_Spec_Suffix);
116 -- The name for the standard GNAT suffix for Ada spec source file name
117 -- ".ads". Initialized by Prj.Initialize.
119 function Default_Ada_Body_Suffix return File_Name_Type;
120 pragma Inline (Default_Ada_Body_Suffix);
121 -- The name for the standard GNAT suffix for Ada body source file name
122 -- ".adb". Initialized by Prj.Initialize.
124 function Slash return Path_Name_Type;
125 pragma Inline (Slash);
126 -- "/", used as the path of locally removed files
128 Config_Project_File_Extension : String := ".cgpr";
129 Project_File_Extension : String := ".gpr";
130 -- The standard config and user project file name extensions. They are not
131 -- constants, because Canonical_Case_File_Name is called on these variables
132 -- in the body of Prj.
134 type Error_Warning is (Silent, Warning, Error);
135 -- Severity of some situations, such as: no Ada sources in a project where
136 -- Ada is one of the language.
138 -- When the situation occurs, the behaviour depends on the setting:
140 -- - Silent: no action
141 -- - Warning: issue a warning, does not cause the tool to fail
142 -- - Error: issue an error, causes the tool to fail
144 function Empty_File return File_Name_Type;
145 function Empty_String return Name_Id;
146 -- Return the id for an empty string ""
148 type Path_Information is record
149 Name : Path_Name_Type := No_Path;
150 Display_Name : Path_Name_Type := No_Path;
153 No_Path_Information : constant Path_Information := (No_Path, No_Path);
156 type Project_Id is access all Project_Data;
157 No_Project : constant Project_Id := null;
158 -- Id of a Project File
160 type String_List_Id is new Nat;
161 Nil_String : constant String_List_Id := 0;
162 type String_Element is record
163 Value : Name_Id := No_Name;
165 Display_Value : Name_Id := No_Name;
166 Location : Source_Ptr := No_Location;
167 Flag : Boolean := False;
168 Next : String_List_Id := Nil_String;
170 -- To hold values for string list variables and array elements.
171 -- Component Flag may be used for various purposes. For source
172 -- directories, it indicates if the directory contains Ada source(s).
174 package String_Element_Table is new GNAT.Dynamic_Tables
175 (Table_Component_Type => String_Element,
176 Table_Index_Type => String_List_Id,
177 Table_Low_Bound => 1,
178 Table_Initial => 200,
179 Table_Increment => 100);
180 -- The table for string elements in string lists
182 type Variable_Kind is (Undefined, List, Single);
183 -- Different kinds of variables
185 subtype Defined_Variable_Kind is Variable_Kind range List .. Single;
186 -- The defined kinds of variables
188 Ignored : constant Variable_Kind;
189 -- Used to indicate that a package declaration must be ignored
190 -- while processing the project tree (unknown package name).
192 type Variable_Value (Kind : Variable_Kind := Undefined) is record
193 Project : Project_Id := No_Project;
194 Location : Source_Ptr := No_Location;
195 Default : Boolean := False;
200 Values : String_List_Id := Nil_String;
202 Value : Name_Id := No_Name;
206 -- Values for variables and array elements. Default is True if the
207 -- current value is the default one for the variable
209 Nil_Variable_Value : constant Variable_Value;
210 -- Value of a non existing variable or array element
212 type Variable_Id is new Nat;
213 No_Variable : constant Variable_Id := 0;
214 type Variable is record
215 Next : Variable_Id := No_Variable;
217 Value : Variable_Value;
219 -- To hold the list of variables in a project file and in packages
221 package Variable_Element_Table is new GNAT.Dynamic_Tables
222 (Table_Component_Type => Variable,
223 Table_Index_Type => Variable_Id,
224 Table_Low_Bound => 1,
225 Table_Initial => 200,
226 Table_Increment => 100);
227 -- The table of variable in list of variables
229 type Array_Element_Id is new Nat;
230 No_Array_Element : constant Array_Element_Id := 0;
231 type Array_Element is record
233 Src_Index : Int := 0;
234 Index_Case_Sensitive : Boolean := True;
235 Value : Variable_Value;
236 Next : Array_Element_Id := No_Array_Element;
238 -- Each Array_Element represents an array element and is linked (Next)
239 -- to the next array element, if any, in the array.
241 package Array_Element_Table is new GNAT.Dynamic_Tables
242 (Table_Component_Type => Array_Element,
243 Table_Index_Type => Array_Element_Id,
244 Table_Low_Bound => 1,
245 Table_Initial => 200,
246 Table_Increment => 100);
247 -- The table that contains all array elements
249 type Array_Id is new Nat;
250 No_Array : constant Array_Id := 0;
251 type Array_Data is record
252 Name : Name_Id := No_Name;
253 Location : Source_Ptr := No_Location;
254 Value : Array_Element_Id := No_Array_Element;
255 Next : Array_Id := No_Array;
257 -- Each Array_Data value represents an array.
258 -- Value is the id of the first element.
259 -- Next is the id of the next array in the project file or package.
261 package Array_Table is new GNAT.Dynamic_Tables
262 (Table_Component_Type => Array_Data,
263 Table_Index_Type => Array_Id,
264 Table_Low_Bound => 1,
265 Table_Initial => 200,
266 Table_Increment => 100);
267 -- The table that contains all arrays
269 type Package_Id is new Nat;
270 No_Package : constant Package_Id := 0;
271 type Declarations is record
272 Variables : Variable_Id := No_Variable;
273 Attributes : Variable_Id := No_Variable;
274 Arrays : Array_Id := No_Array;
275 Packages : Package_Id := No_Package;
277 -- Contains the declarations (variables, single and array attributes,
278 -- packages) for a project or a package in a project.
280 No_Declarations : constant Declarations :=
281 (Variables => No_Variable,
282 Attributes => No_Variable,
284 Packages => No_Package);
285 -- Default value of Declarations: indicates that there is no declarations
287 type Package_Element is record
288 Name : Name_Id := No_Name;
289 Decl : Declarations := No_Declarations;
290 Parent : Package_Id := No_Package;
291 Next : Package_Id := No_Package;
293 -- A package (includes declarations that may include other packages)
295 package Package_Table is new GNAT.Dynamic_Tables
296 (Table_Component_Type => Package_Element,
297 Table_Index_Type => Package_Id,
298 Table_Low_Bound => 1,
299 Table_Initial => 100,
300 Table_Increment => 100);
301 -- The table that contains all packages
304 type Language_Ptr is access all Language_Data;
305 -- Index of language data
307 No_Language_Index : constant Language_Ptr := null;
308 -- Constant indicating that there is no language data
310 Max_Header_Num : constant := 6150;
311 type Header_Num is range 0 .. Max_Header_Num;
312 -- Size for hash table below. The upper bound is an arbitrary value, the
313 -- value here was chosen after testing to determine a good compromise
314 -- between speed of access and memory usage.
316 function Hash (Name : Name_Id) return Header_Num;
317 function Hash (Name : File_Name_Type) return Header_Num;
318 function Hash (Name : Path_Name_Type) return Header_Num;
319 function Hash (Project : Project_Id) return Header_Num;
320 -- Used for computing hash values for names put into above hash table
322 type Language_Kind is (File_Based, Unit_Based);
323 -- Type for the kind of language. All languages are file based, except Ada
324 -- which is unit based.
326 type Dependency_File_Kind is (None, Makefile, ALI_File);
327 -- Type of dependency to be checked: no dependency file, Makefile fragment
328 -- or ALI file (for Ada).
330 Makefile_Dependency_Suffix : constant String := ".d";
331 ALI_Dependency_Suffix : constant String := ".ali";
333 Switches_Dependency_Suffix : constant String := ".cswi";
335 Binder_Exchange_Suffix : constant String := ".bexch";
336 -- Suffix for binder exchange files
338 Library_Exchange_Suffix : constant String := ".lexch";
339 -- Suffix for library exchange files
341 type Name_List_Index is new Nat;
342 No_Name_List : constant Name_List_Index := 0;
344 type Name_Node is record
345 Name : Name_Id := No_Name;
346 Next : Name_List_Index := No_Name_List;
349 package Name_List_Table is new GNAT.Dynamic_Tables
350 (Table_Component_Type => Name_Node,
351 Table_Index_Type => Name_List_Index,
352 Table_Low_Bound => 1,
354 Table_Increment => 100);
355 -- The table for lists of names used in package Language_Processing
357 package Mapping_Files_Htable is new Simple_HTable
358 (Header_Num => Header_Num,
359 Element => Path_Name_Type,
360 No_Element => No_Path,
361 Key => Path_Name_Type,
364 -- A hash table to store the mapping files that are not used
366 type Lang_Naming_Data is record
367 Dot_Replacement : File_Name_Type := No_File;
368 -- The string to replace '.' in the source file name (for Ada)
370 Casing : Casing_Type := All_Lower_Case;
371 -- The casing of the source file name (for Ada)
373 Separate_Suffix : File_Name_Type := No_File;
374 -- String to append to unit name for source file name of an Ada subunit
376 Spec_Suffix : File_Name_Type := No_File;
377 -- The string to append to the unit name for the
378 -- source file name of a spec.
380 Body_Suffix : File_Name_Type := No_File;
381 -- The string to append to the unit name for the
382 -- source file name of a body.
385 No_Lang_Naming_Data : constant Lang_Naming_Data :=
386 (Dot_Replacement => No_File,
387 Casing => All_Lower_Case,
388 Separate_Suffix => No_File,
389 Spec_Suffix => No_File,
390 Body_Suffix => No_File);
393 type Source_Id is access all Source_Data;
395 No_Source : constant Source_Id := null;
397 type Path_Syntax_Kind is
402 -- Host specific syntax, for example on VMS (the default)
404 type Language_Config is record
405 Kind : Language_Kind := File_Based;
406 -- Kind of language. All languages are file based, except Ada which is
409 Naming_Data : Lang_Naming_Data;
410 -- The naming data for the languages (prefixes, etc.)
412 Include_Compatible_Languages : Name_List_Index := No_Name_List;
413 -- The list of languages that are "include compatible" with this
414 -- language. A language B (for example "C") is "include compatible" with
415 -- a language A (for example "C++") if it is expected that sources of
416 -- language A may "include" header files from language B.
418 Compiler_Driver : File_Name_Type := No_File;
419 -- The name of the executable for the compiler of the language
421 Compiler_Driver_Path : String_Access := null;
422 -- The path name of the executable for the compiler of the language
424 Compiler_Leading_Required_Switches : Name_List_Index := No_Name_List;
425 -- The list of initial switches that are required as a minimum to invoke
426 -- the compiler driver.
428 Compiler_Trailing_Required_Switches : Name_List_Index := No_Name_List;
429 -- The list of final switches that are required as a minimum to invoke
430 -- the compiler driver.
432 Path_Syntax : Path_Syntax_Kind := Host;
433 -- Value may be Canonical (Unix style) or Host (host syntax, for example
434 -- on VMS for DEC C).
436 Object_File_Suffix : Name_Id := No_Name;
437 -- Optional alternate object file suffix
439 Object_File_Switches : Name_List_Index := No_Name_List;
440 -- Optional object file switches. When this is defined, the switches
441 -- are used to specify the object file. The object file name is appended
442 -- to the last switch in the list. Example: ("-o", "").
444 Compilation_PIC_Option : Name_List_Index := No_Name_List;
445 -- The option(s) to compile a source in Position Independent Code for
446 -- shared libraries. Specified in the configuration. When not specified,
447 -- there is no need for such switch.
449 Object_Generated : Boolean := True;
450 -- False in no object file is generated
452 Objects_Linked : Boolean := True;
453 -- False if object files are not use to link executables and build
456 Runtime_Library_Dir : Name_Id := No_Name;
457 -- Path name of the runtime library directory, if any
459 Runtime_Source_Dir : Name_Id := No_Name;
460 -- Path name of the runtime source directory, if any
462 Mapping_File_Switches : Name_List_Index := No_Name_List;
463 -- The option(s) to provide a mapping file to the compiler. Specified in
464 -- the configuration. When value is No_Name_List, there is no mapping
467 Mapping_Spec_Suffix : File_Name_Type := No_File;
468 -- Placeholder representing the spec suffix in a mapping file
470 Mapping_Body_Suffix : File_Name_Type := No_File;
471 -- Placeholder representing the body suffix in a mapping file
473 Config_File_Switches : Name_List_Index := No_Name_List;
474 -- The option(s) to provide a config file to the compiler. Specified in
475 -- the configuration. When value is No_Name_List, there is no config
478 Dependency_Kind : Dependency_File_Kind := None;
479 -- The kind of dependency to be checked: none, Makefile fragment or
480 -- ALI file (for Ada).
482 Dependency_Option : Name_List_Index := No_Name_List;
483 -- The option(s) to be used to create the dependency file. When value is
484 -- No_Name_List, there is not such option(s).
486 Compute_Dependency : Name_List_Index := No_Name_List;
487 -- Hold the value of attribute Dependency_Driver, if declared for the
490 Include_Option : Name_List_Index := No_Name_List;
491 -- Hold the value of attribute Include_Switches, if declared for the
494 Include_Path : Name_Id := No_Name;
495 -- Name of environment variable declared by attribute Include_Path for
498 Include_Path_File : Name_Id := No_Name;
499 -- Name of environment variable declared by attribute Include_Path_File
502 Objects_Path : Name_Id := No_Name;
503 -- Name of environment variable declared by attribute Objects_Path for
506 Objects_Path_File : Name_Id := No_Name;
507 -- Name of environment variable declared by attribute Objects_Path_File
510 Config_Body : Name_Id := No_Name;
511 -- The template for a pragma Source_File_Name(_Project) for a specific
512 -- file name of a body.
514 Config_Spec : Name_Id := No_Name;
515 -- The template for a pragma Source_File_Name(_Project) for a specific
516 -- file name of a spec.
518 Config_Body_Pattern : Name_Id := No_Name;
519 -- The template for a pragma Source_File_Name(_Project) for a naming
522 Config_Spec_Pattern : Name_Id := No_Name;
523 -- The template for a pragma Source_File_Name(_Project) for a naming
526 Config_File_Unique : Boolean := False;
527 -- Indicate if the config file specified to the compiler needs to be
528 -- unique. If it is unique, then all config files are concatenated into
529 -- a temp config file.
531 Binder_Driver : File_Name_Type := No_File;
532 -- The name of the binder driver for the language, if any
534 Binder_Driver_Path : Path_Name_Type := No_Path;
535 -- The path name of the binder driver
537 Binder_Required_Switches : Name_List_Index := No_Name_List;
538 -- Hold the value of attribute Binder'Required_Switches for the language
540 Binder_Prefix : Name_Id := No_Name;
541 -- Hold the value of attribute Binder'Prefix for the language
543 Toolchain_Version : Name_Id := No_Name;
544 -- Hold the value of attribute Toolchain_Version for the language
546 Toolchain_Description : Name_Id := No_Name;
547 -- Hold the value of attribute Toolchain_Description for the language
550 -- Record describing the configuration of a language
552 No_Language_Config : constant Language_Config :=
554 Naming_Data => No_Lang_Naming_Data,
555 Include_Compatible_Languages => No_Name_List,
556 Compiler_Driver => No_File,
557 Compiler_Driver_Path => null,
558 Compiler_Leading_Required_Switches => No_Name_List,
559 Compiler_Trailing_Required_Switches => No_Name_List,
560 Path_Syntax => Canonical,
561 Object_File_Suffix => No_Name,
562 Object_File_Switches => No_Name_List,
563 Compilation_PIC_Option => No_Name_List,
564 Object_Generated => True,
565 Objects_Linked => True,
566 Runtime_Library_Dir => No_Name,
567 Runtime_Source_Dir => No_Name,
568 Mapping_File_Switches => No_Name_List,
569 Mapping_Spec_Suffix => No_File,
570 Mapping_Body_Suffix => No_File,
571 Config_File_Switches => No_Name_List,
572 Dependency_Kind => Makefile,
573 Dependency_Option => No_Name_List,
574 Compute_Dependency => No_Name_List,
575 Include_Option => No_Name_List,
576 Include_Path => No_Name,
577 Include_Path_File => No_Name,
578 Objects_Path => No_Name,
579 Objects_Path_File => No_Name,
580 Config_Body => No_Name,
581 Config_Spec => No_Name,
582 Config_Body_Pattern => No_Name,
583 Config_Spec_Pattern => No_Name,
584 Config_File_Unique => False,
585 Binder_Driver => No_File,
586 Binder_Driver_Path => No_Path,
587 Binder_Required_Switches => No_Name_List,
588 Binder_Prefix => No_Name,
589 Toolchain_Version => No_Name,
590 Toolchain_Description => No_Name);
592 type Language_Data is record
593 Name : Name_Id := No_Name;
594 Display_Name : Name_Id := No_Name;
595 Config : Language_Config := No_Language_Config;
596 First_Source : Source_Id := No_Source;
597 Mapping_Files : Mapping_Files_Htable.Instance :=
598 Mapping_Files_Htable.Nil;
599 Next : Language_Ptr := No_Language_Index;
602 No_Language_Data : constant Language_Data :=
604 Display_Name => No_Name,
605 Config => No_Language_Config,
606 First_Source => No_Source,
607 Mapping_Files => Mapping_Files_Htable.Nil,
608 Next => No_Language_Index);
610 type Language_List_Element;
611 type Language_List is access all Language_List_Element;
612 type Language_List_Element is record
613 Language : Language_Ptr := No_Language_Index;
614 Next : Language_List;
617 type Source_Kind is (Spec, Impl, Sep);
619 type Source_Data is record
620 Project : Project_Id := No_Project;
621 -- Project of the source
623 Language : Language_Ptr := No_Language_Index;
624 -- Index of the language. This is an index into
625 -- Project_Tree.Languages_Data.
627 Lang_Kind : Language_Kind := File_Based;
628 -- Kind of the language
629 -- ??? Should be in Language itself
631 Compiled : Boolean := True;
632 -- False when there is no compiler for the language
634 In_Interfaces : Boolean := True;
635 -- False when the source is not included in interfaces, when attribute
636 -- Interfaces is declared.
638 Declared_In_Interfaces : Boolean := False;
639 -- True when source is declared in attribute Interfaces
641 Alternate_Languages : Language_List;
642 -- List of languages a header file may also be, in addition of language
645 Kind : Source_Kind := Spec;
646 -- Kind of the source: spec, body or subunit
648 Dependency : Dependency_File_Kind := None;
649 -- Kind of dependency: none, Makefile fragment or ALI file
651 Other_Part : Source_Id := No_Source;
652 -- Source ID for the other part, if any: for a spec, indicates its body;
653 -- for a body, indicates its spec.
655 Unit : Name_Id := No_Name;
656 -- Name of the unit, if language is unit based
659 -- Index of the source in a multi unit source file
661 Locally_Removed : Boolean := False;
662 -- True if the source has been "excluded"
664 Get_Object : Boolean := False;
665 -- Indicates that the object of the source should be put in the global
666 -- archive. This is for Ada, when only the closure of a main needs to
667 -- be compiled/recompiled.
669 Replaced_By : Source_Id := No_Source;
671 File : File_Name_Type := No_File;
672 -- Canonical file name of the source
674 Display_File : File_Name_Type := No_File;
675 -- File name of the source, for display purposes
677 Path : Path_Information := No_Path_Information;
678 -- Path name of the source
679 -- Path.Name is set to Slash for an excluded file that does not belong
680 -- in the project in fact
682 Source_TS : Time_Stamp_Type := Empty_Time_Stamp;
683 -- Time stamp of the source file
685 Object_Project : Project_Id := No_Project;
686 -- Project where the object file is. This might be different from
687 -- Project when using extending project files.
689 Object_Exists : Boolean := True;
690 -- True if an object file exists
692 Object_Linked : Boolean := True;
693 -- False if the object file is not use to link executables or included
696 Object : File_Name_Type := No_File;
697 -- File name of the object file
699 Current_Object_Path : Path_Name_Type := No_Path;
700 -- Object path of an existing object file
702 Object_Path : Path_Name_Type := No_Path;
703 -- Object path of the real object file
705 Object_TS : Time_Stamp_Type := Empty_Time_Stamp;
706 -- Object file time stamp
708 Dep_Name : File_Name_Type := No_File;
709 -- Dependency file simple name
711 Current_Dep_Path : Path_Name_Type := No_Path;
712 -- Path name of an existing dependency file
714 Dep_Path : Path_Name_Type := No_Path;
715 -- Path name of the real dependency file
717 Dep_TS : Time_Stamp_Type := Empty_Time_Stamp;
718 -- Dependency file time stamp
720 Switches : File_Name_Type := No_File;
721 -- File name of the switches file. For all languages, this is a file
722 -- that ends with the .cswi extension.
724 Switches_Path : Path_Name_Type := No_Path;
725 -- Path name of the switches file
727 Switches_TS : Time_Stamp_Type := Empty_Time_Stamp;
728 -- Switches file time stamp
730 Naming_Exception : Boolean := False;
731 -- True if the source has an exceptional name
733 Next_In_Lang : Source_Id := No_Source;
734 -- Link to another source of the same language in the same project
737 No_Source_Data : constant Source_Data :=
738 (Project => No_Project,
739 Language => No_Language_Index,
740 Lang_Kind => File_Based,
742 In_Interfaces => True,
743 Declared_In_Interfaces => False,
744 Alternate_Languages => null,
747 Other_Part => No_Source,
750 Locally_Removed => False,
752 Replaced_By => No_Source,
754 Display_File => No_File,
755 Path => No_Path_Information,
756 Source_TS => Empty_Time_Stamp,
757 Object_Project => No_Project,
758 Object_Exists => True,
759 Object_Linked => True,
761 Current_Object_Path => No_Path,
762 Object_Path => No_Path,
763 Object_TS => Empty_Time_Stamp,
765 Current_Dep_Path => No_Path,
767 Dep_TS => Empty_Time_Stamp,
769 Switches_Path => No_Path,
770 Switches_TS => Empty_Time_Stamp,
771 Naming_Exception => False,
772 Next_In_Lang => No_Source);
774 package Source_Paths_Htable is new Simple_HTable
775 (Header_Num => Header_Num,
776 Element => Source_Id,
777 No_Element => No_Source,
778 Key => Path_Name_Type,
781 -- Mapping of source paths to source ids
783 package Unit_Sources_Htable is new Simple_HTable
784 (Header_Num => Header_Num,
785 Element => Source_Id,
786 No_Element => No_Source,
791 type Verbosity is (Default, Medium, High);
792 -- Verbosity when parsing GNAT Project Files
793 -- Default is default (very quiet, if no errors).
794 -- Medium is more verbose.
795 -- High is extremely verbose.
797 Current_Verbosity : Verbosity := Default;
798 -- The current value of the verbosity the project files are parsed with
800 type Lib_Kind is (Static, Dynamic, Relocatable);
802 type Policy is (Autonomous, Compliant, Controlled, Restricted, Direct);
803 -- Type to specify the symbol policy, when symbol control is supported.
804 -- See full explanation about this type in package Symbols.
805 -- Autonomous: Create a symbol file without considering any reference
806 -- Compliant: Try to be as compatible as possible with an existing ref
807 -- Controlled: Fail if symbols are not the same as those in the reference
808 -- Restricted: Restrict the symbols to those in the symbol file
809 -- Direct: The symbol file is used as is
811 type Symbol_Record is record
812 Symbol_File : Path_Name_Type := No_Path;
813 Reference : Path_Name_Type := No_Path;
814 Symbol_Policy : Policy := Autonomous;
816 -- Type to keep the symbol data to be used when building a shared library
818 No_Symbols : constant Symbol_Record :=
819 (Symbol_File => No_Path,
820 Reference => No_Path,
821 Symbol_Policy => Autonomous);
822 -- The default value of the symbol data
824 function Image (Casing : Casing_Type) return String;
825 -- Similar to 'Image (but avoid use of this attribute in compiler)
827 function Value (Image : String) return Casing_Type;
828 -- Similar to 'Value (but avoid use of this attribute in compiler)
829 -- Raises Constraint_Error if not a Casing_Type image.
831 -- The following record contains data for a naming scheme
833 type Naming_Data is record
835 Dot_Replacement : File_Name_Type := No_File;
836 -- The string to replace '.' in the source file name (for Ada)
838 Casing : Casing_Type := All_Lower_Case;
839 -- The casing of the source file name (for Ada)
841 Spec_Suffix : Array_Element_Id := No_Array_Element;
842 -- The string to append to the unit name for the
843 -- source file name of a spec.
844 -- Indexed by the programming language.
846 Body_Suffix : Array_Element_Id := No_Array_Element;
847 -- The string to append to the unit name for the
848 -- source file name of a body.
849 -- Indexed by the programming language.
851 Separate_Suffix : File_Name_Type := No_File;
852 -- String to append to unit name for source file name of an Ada subunit
854 Specs : Array_Element_Id := No_Array_Element;
855 -- An associative array mapping individual specs to source file names
856 -- This is specific to unit-based languages.
858 Bodies : Array_Element_Id := No_Array_Element;
859 -- An associative array mapping individual bodies to source file names
860 -- This is specific to unit-based languages.
862 Specification_Exceptions : Array_Element_Id := No_Array_Element;
863 -- An associative array listing spec file names that do not have the
864 -- spec suffix. Not used by Ada. Indexed by programming language name.
866 Implementation_Exceptions : Array_Element_Id := No_Array_Element;
867 -- An associative array listing body file names that do not have the
868 -- body suffix. Not used by Ada. Indexed by programming language name.
872 function Spec_Suffix_Of
873 (In_Tree : Project_Tree_Ref;
875 Naming : Naming_Data) return String;
877 function Spec_Suffix_Id_Of
878 (In_Tree : Project_Tree_Ref;
879 Language_Id : Name_Id;
880 Naming : Naming_Data) return File_Name_Type;
882 procedure Set_Spec_Suffix
883 (In_Tree : Project_Tree_Ref;
885 Naming : in out Naming_Data;
886 Suffix : File_Name_Type);
888 function Body_Suffix_Id_Of
889 (In_Tree : Project_Tree_Ref;
890 Language_Id : Name_Id;
891 Naming : Naming_Data) return File_Name_Type;
893 function Body_Suffix_Of
894 (In_Tree : Project_Tree_Ref;
896 Naming : Naming_Data) return String;
898 procedure Set_Body_Suffix
899 (In_Tree : Project_Tree_Ref;
901 Naming : in out Naming_Data;
902 Suffix : File_Name_Type);
904 function Get_Object_Directory
905 (Project : Project_Id;
906 Including_Libraries : Boolean;
907 Only_If_Ada : Boolean := False) return Path_Name_Type;
908 -- Return the object directory to use for the project. This depends on
909 -- whether we have a library project or a standard project. This function
910 -- might return No_Name when no directory applies.
911 -- If we have a a library project file and Including_Libraries is True then
912 -- the library dir is returned instead of the object dir.
913 -- If Only_If_Ada is True, then No_Name will be returned when the project
914 -- doesn't Ada sources.
916 procedure Compute_All_Imported_Projects (Project : Project_Id);
917 -- Compute, the list of the projects imported directly or indirectly by
918 -- project Project. The result is stored in Project.All_Imported_Projects
920 function Ultimate_Extending_Project_Of
921 (Proj : Project_Id) return Project_Id;
922 -- Returns the ultimate extending project of project Proj. If project Proj
923 -- is not extended, returns Proj.
925 function Standard_Naming_Data
926 (Tree : Project_Tree_Ref := No_Project_Tree) return Naming_Data;
927 pragma Inline (Standard_Naming_Data);
928 -- The standard GNAT naming scheme when Tree is No_Project_Tree.
929 -- Otherwise, return the default naming scheme for the project tree Tree,
930 -- which must have been Initialized.
932 function Same_Naming_Scheme
933 (Left, Right : Naming_Data) return Boolean;
934 -- Returns True if Left and Right are the same naming scheme
935 -- not considering Specs and Bodies.
937 type Project_List_Element;
938 type Project_List is access all Project_List_Element;
939 type Project_List_Element is record
940 Project : Project_Id := No_Project;
941 Next : Project_List := null;
943 -- A list of projects
946 (List : in out Project_List;
947 Free_Project : Boolean);
948 -- Free the list of projects, if Free_Project, each project is also freed
950 type Response_File_Format is
955 -- The format of the different response files
957 type Project_Configuration is record
958 Target : Name_Id := No_Name;
959 -- The target of the configuration, when specified
961 Run_Path_Option : Name_List_Index := No_Name_List;
962 -- The option to use when linking to specify the path where to look for
965 Separate_Run_Path_Options : Boolean := False;
966 -- True if each directory needs to be specified in a separate run path
969 Executable_Suffix : Name_Id := No_Name;
970 -- The suffix of executables, when specified in the configuration or in
971 -- package Builder of the main project. When this is not specified, the
972 -- executable suffix is the default for the platform.
976 Linker : Path_Name_Type := No_Path;
977 -- Path name of the linker driver. Specified in the configuration or in
978 -- the package Builder of the main project.
980 Map_File_Option : Name_Id := No_Name;
981 -- Option to use when invoking the linker to build a map file
983 Minimum_Linker_Options : Name_List_Index := No_Name_List;
984 -- The minimum options for the linker driver. Specified in the
987 Linker_Executable_Option : Name_List_Index := No_Name_List;
988 -- The option(s) to indicate the name of the executable in the linker
989 -- command. Specified in the configuration. When not specified, default
990 -- to -o <executable name>.
992 Linker_Lib_Dir_Option : Name_Id := No_Name;
993 -- The option to specify where to find a library for linking. Specified
994 -- in the configuration. When not specified, defaults to "-L".
996 Linker_Lib_Name_Option : Name_Id := No_Name;
997 -- The option to specify the name of a library for linking. Specified in
998 -- the configuration. When not specified, defaults to "-l".
1000 Max_Command_Line_Length : Natural := 0;
1001 -- When positive and when Resp_File_Format (see below) is not None,
1002 -- if the command line for the invocation of the linker would be greater
1003 -- than this value, a response file is used to invoke the linker.
1005 Resp_File_Format : Response_File_Format := None;
1006 -- The format of a response file, when linking with a response file is
1009 Resp_File_Options : Name_List_Index := No_Name_List;
1010 -- The switches, if any, that precede the path name of the response
1011 -- file in the invocation of the linker.
1015 Library_Builder : Path_Name_Type := No_Path;
1016 -- The executable to build library (specified in the configuration)
1018 Lib_Support : Library_Support := None;
1019 -- The level of library support. Specified in the configuration. Support
1020 -- is none, static libraries only or both static and shared libraries.
1022 Archive_Builder : Name_List_Index := No_Name_List;
1023 -- The name of the executable to build archives, with the minimum
1024 -- switches. Specified in the configuration.
1026 Archive_Builder_Append_Option : Name_List_Index := No_Name_List;
1027 -- The options to append object files to an archive
1029 Archive_Indexer : Name_List_Index := No_Name_List;
1030 -- The name of the executable to index archives, with the minimum
1031 -- switches. Specified in the configuration.
1033 Archive_Suffix : File_Name_Type := No_File;
1034 -- The suffix of archives. Specified in the configuration. When not
1035 -- specified, defaults to ".a".
1037 Lib_Partial_Linker : Name_List_Index := No_Name_List;
1041 Shared_Lib_Driver : File_Name_Type := No_File;
1042 -- The driver to link shared libraries. Set with attribute Library_GCC.
1045 Shared_Lib_Prefix : File_Name_Type := No_File;
1046 -- Part of a shared library file name that precedes the name of the
1047 -- library. Specified in the configuration. When not specified, defaults
1050 Shared_Lib_Suffix : File_Name_Type := No_File;
1051 -- Suffix of shared libraries, after the library name in the shared
1052 -- library name. Specified in the configuration. When not specified,
1053 -- default to ".so".
1055 Shared_Lib_Min_Options : Name_List_Index := No_Name_List;
1056 -- The minimum options to use when building a shared library
1058 Lib_Version_Options : Name_List_Index := No_Name_List;
1059 -- The options to use to specify a library version
1061 Symbolic_Link_Supported : Boolean := False;
1062 -- True if the platform supports symbolic link files
1064 Lib_Maj_Min_Id_Supported : Boolean := False;
1065 -- True if platform supports library major and minor options, such as
1066 -- libname.so -> libname.so.2 -> libname.so.2.4
1068 Auto_Init_Supported : Boolean := False;
1069 -- True if automatic initialisation is supported for shared stand-alone
1073 Default_Project_Config : constant Project_Configuration :=
1075 Run_Path_Option => No_Name_List,
1076 Separate_Run_Path_Options => False,
1077 Executable_Suffix => No_Name,
1079 Map_File_Option => No_Name,
1080 Minimum_Linker_Options => No_Name_List,
1081 Linker_Executable_Option => No_Name_List,
1082 Linker_Lib_Dir_Option => No_Name,
1083 Linker_Lib_Name_Option => No_Name,
1084 Library_Builder => No_Path,
1085 Max_Command_Line_Length => 0,
1086 Resp_File_Format => None,
1087 Resp_File_Options => No_Name_List,
1088 Lib_Support => None,
1089 Archive_Builder => No_Name_List,
1090 Archive_Builder_Append_Option => No_Name_List,
1091 Archive_Indexer => No_Name_List,
1092 Archive_Suffix => No_File,
1093 Lib_Partial_Linker => No_Name_List,
1094 Shared_Lib_Driver => No_File,
1095 Shared_Lib_Prefix => No_File,
1096 Shared_Lib_Suffix => No_File,
1097 Shared_Lib_Min_Options => No_Name_List,
1098 Lib_Version_Options => No_Name_List,
1099 Symbolic_Link_Supported => False,
1100 Lib_Maj_Min_Id_Supported => False,
1101 Auto_Init_Supported => False);
1103 -- The following record describes a project file representation
1105 -- Note that it is not specified if the path names of directories (source,
1106 -- object, library or exec directories) end with or without a directory
1109 type Project_Data is record
1115 Name : Name_Id := No_Name;
1116 -- The name of the project
1118 Display_Name : Name_Id := No_Name;
1119 -- The name of the project with the spelling of its declaration
1121 Qualifier : Project_Qualifier := Unspecified;
1122 -- The eventual qualifier for this project
1124 Externally_Built : Boolean := False;
1125 -- True if the project is externally built. In such case, the Project
1126 -- Manager will not modify anything in this project.
1128 Config : Project_Configuration;
1130 Path : Path_Information := No_Path_Information;
1131 -- The path name of the project file. This include base name of the
1134 Virtual : Boolean := False;
1135 -- True for virtual extending projects
1137 Location : Source_Ptr := No_Location;
1138 -- The location in the project file source of the reserved word project
1140 Naming : Naming_Data := Standard_Naming_Data;
1141 -- The naming scheme of this project file
1147 Languages : Language_Ptr := No_Language_Index;
1148 -- First index of the language data in the project.
1149 -- This is an index into the project_tree_data.languages_data.
1150 -- Traversing the list gives access to all the languages supported by
1157 Mains : String_List_Id := Nil_String;
1158 -- List of mains specified by attribute Main
1160 Extends : Project_Id := No_Project;
1161 -- The reference of the project file, if any, that this project file
1164 Extended_By : Project_Id := No_Project;
1165 -- The reference of the project file, if any, that extends this project
1168 Decl : Declarations := No_Declarations;
1169 -- The declarations (variables, attributes and packages) of this project
1172 Imported_Projects : Project_List;
1173 -- The list of all directly imported projects, if any
1175 All_Imported_Projects : Project_List;
1176 -- The list of all projects imported directly or indirectly, if any
1182 Directory : Path_Information := No_Path_Information;
1183 -- Path name of the directory where the project file resides
1185 Object_Directory : Path_Information := No_Path_Information;
1186 -- The path name of the object directory of this project file
1188 Exec_Directory : Path_Information := No_Path_Information;
1189 -- The path name of the exec directory of this project file. Default is
1190 -- equal to Object_Directory.
1196 Library : Boolean := False;
1197 -- True if this is a library project
1199 Library_Name : Name_Id := No_Name;
1200 -- If a library project, name of the library
1202 Library_Kind : Lib_Kind := Static;
1203 -- If a library project, kind of library
1205 Library_Dir : Path_Information := No_Path_Information;
1206 -- If a library project, path name of the directory where the library
1209 Library_TS : Time_Stamp_Type := Empty_Time_Stamp;
1210 -- The timestamp of a library file in a library project
1212 Library_Src_Dir : Path_Information := No_Path_Information;
1213 -- If a Stand-Alone Library project, path name of the directory where
1214 -- the sources of the interfaces of the library are copied. By default,
1215 -- if attribute Library_Src_Dir is not specified, sources of the
1216 -- interfaces are not copied anywhere.
1218 Library_ALI_Dir : Path_Information := No_Path_Information;
1219 -- In a library project, path name of the directory where the ALI files
1220 -- are copied. If attribute Library_ALI_Dir is not specified, ALI files
1221 -- are copied in the Library_Dir.
1223 Lib_Internal_Name : Name_Id := No_Name;
1224 -- If a library project, internal name store inside the library
1226 Standalone_Library : Boolean := False;
1227 -- Indicate that this is a Standalone Library Project File
1229 Lib_Interface_ALIs : String_List_Id := Nil_String;
1230 -- For Standalone Library Project Files, indicate the list of Interface
1233 Lib_Auto_Init : Boolean := False;
1234 -- For non static Stand-Alone Library Project Files, indicate if
1235 -- the library initialisation should be automatic.
1237 Symbol_Data : Symbol_Record := No_Symbols;
1238 -- Symbol file name, reference symbol file name, symbol policy
1240 Need_To_Build_Lib : Boolean := False;
1241 -- Indicates that the library of a Library Project needs to be built or
1247 -- The sources for all languages including Ada are accessible through
1248 -- the Source_Iterator type
1250 Interfaces_Defined : Boolean := False;
1251 -- True if attribute Interfaces is declared for the project or any
1252 -- project it extends.
1254 Include_Path : String_Access := null;
1255 -- The search source path for the project. Used as the value for an
1256 -- environment variable, specified by attribute Include_Path
1257 -- (<language>). The names of the environment variables are in component
1258 -- Include_Path of the records Language_Config.
1260 Include_Path_File : Path_Name_Type := No_Path;
1261 -- The path name of the of the source search directory file
1263 Include_Data_Set : Boolean := False;
1264 -- Set True when Imported_Directories_Switches or Include_Path are set
1266 Source_Dirs : String_List_Id := Nil_String;
1267 -- The list of all the source directories
1269 Known_Order_Of_Source_Dirs : Boolean := True;
1270 -- False, if there is any /** in the Source_Dirs, because in this case
1271 -- the ordering of the source subdirs depend on the OS. If True,
1272 -- duplicate file names in the same project file are allowed.
1274 Ada_Include_Path : String_Access := null;
1275 -- The cached value of source search path for this project file. Set by
1276 -- the first call to Prj.Env.Ada_Include_Path for the project. Do not
1277 -- use this field directly outside of the project manager, use
1278 -- Prj.Env.Ada_Include_Path instead.
1284 Ada_Objects_Path : String_Access := null;
1285 -- The cached value of ADA_OBJECTS_PATH for this project file. Do not
1286 -- use this field directly outside of the compiler, use
1287 -- Prj.Env.Ada_Objects_Path instead.
1289 Libgnarl_Needed : Yes_No_Unknown := Unknown;
1290 -- Set to True when libgnarl is needed to link
1292 Objects_Path : String_Access := null;
1293 -- The cached value of the object dir path, used during the binding
1294 -- phase of gprbuild.
1296 Objects_Path_File_With_Libs : Path_Name_Type := No_Path;
1297 -- The cached value of the object path temp file (including library
1298 -- dirs) for this project file.
1300 Objects_Path_File_Without_Libs : Path_Name_Type := No_Path;
1301 -- The cached value of the object path temp file (excluding library
1302 -- dirs) for this project file.
1304 Config_File_Name : Path_Name_Type := No_Path;
1305 -- The path name of the configuration pragmas file, if any
1307 Config_File_Temp : Boolean := False;
1308 -- An indication that the configuration pragmas file is a temporary file
1309 -- that must be deleted at the end.
1311 Config_Checked : Boolean := False;
1312 -- A flag to avoid checking repetitively the configuration pragmas file
1314 Depth : Natural := 0;
1315 -- The maximum depth of a project in the project graph. Depth of main
1318 Unkept_Comments : Boolean := False;
1319 -- True if there are comments in the project sources that cannot be kept
1320 -- in the project tree.
1324 function Empty_Project (Tree : Project_Tree_Ref) return Project_Data;
1325 -- Return the representation of an empty project in project Tree tree.
1326 -- The project tree Tree must have been Initialized and/or Reset.
1328 function Is_Extending
1329 (Extending : Project_Id;
1330 Extended : Project_Id) return Boolean;
1331 -- Return True if Extending is extending the Extended project
1333 function Is_A_Language
1334 (Project : Project_Id;
1335 Language_Name : Name_Id) return Boolean;
1336 -- Return True when Language_Name (which must be lower case) is one of the
1337 -- languages used for the project.
1339 function Has_Ada_Sources (Data : Project_Id) return Boolean;
1340 -- Return True if the project has Ada sources
1342 function Has_Foreign_Sources (Data : Project_Id) return Boolean;
1343 -- Return True if the project has foreign sources
1345 Project_Error : exception;
1346 -- Raised by some subprograms in Prj.Attr
1348 subtype Spec_Or_Body is Source_Kind range Spec .. Impl;
1349 type File_Names_Data is array (Spec_Or_Body) of Source_Id;
1350 type Unit_Index is new Nat;
1351 No_Unit_Index : constant Unit_Index := 0;
1352 type Unit_Data is record
1353 Name : Name_Id := No_Name;
1354 File_Names : File_Names_Data;
1356 -- Name and File and Path names of a unit, with a reference to its
1357 -- GNAT Project File(s).
1359 package Unit_Table is new GNAT.Dynamic_Tables
1360 (Table_Component_Type => Unit_Data,
1361 Table_Index_Type => Unit_Index,
1362 Table_Low_Bound => 1,
1363 Table_Initial => 100,
1364 Table_Increment => 100);
1365 -- Table of all units in a project tree
1367 package Units_Htable is new Simple_HTable
1368 (Header_Num => Header_Num,
1369 Element => Unit_Index,
1370 No_Element => No_Unit_Index,
1374 -- Mapping of unit names to indexes in the Units table
1376 package Files_Htable is new Simple_HTable
1377 (Header_Num => Header_Num,
1378 Element => Project_Id,
1379 No_Element => No_Project,
1380 Key => File_Name_Type,
1383 -- Mapping of file names to indexes in the Units table
1385 ---------------------
1386 -- Source_Iterator --
1387 ---------------------
1389 type Source_Iterator is private;
1391 function For_Each_Source
1392 (In_Tree : Project_Tree_Ref;
1393 Project : Project_Id := No_Project;
1394 Language : Name_Id := No_Name) return Source_Iterator;
1395 -- Returns an iterator for all the sources of a project tree, or a specific
1396 -- project, or a specific language.
1398 function Element (Iter : Source_Iterator) return Source_Id;
1399 -- Return the current source (or No_Source if there are no more sources)
1401 procedure Next (Iter : in out Source_Iterator);
1402 -- Move on to the next source
1404 -----------------------
1405 -- Project_Tree_Data --
1406 -----------------------
1408 type Private_Project_Tree_Data is private;
1409 -- Data for a project tree that is used only by the Project Manager
1411 type Project_Tree_Data is
1413 Name_Lists : Name_List_Table.Instance;
1414 String_Elements : String_Element_Table.Instance;
1415 Variable_Elements : Variable_Element_Table.Instance;
1416 Array_Elements : Array_Element_Table.Instance;
1417 Arrays : Array_Table.Instance;
1418 Packages : Package_Table.Instance;
1419 Projects : Project_List;
1420 Units : Unit_Table.Instance;
1421 Units_HT : Units_Htable.Instance;
1422 Source_Paths_HT : Source_Paths_Htable.Instance;
1423 Unit_Sources_HT : Unit_Sources_Htable.Instance;
1427 Private_Part : Private_Project_Tree_Data;
1429 -- Data for a project tree
1431 type Put_Line_Access is access procedure
1433 Project : Project_Id;
1434 In_Tree : Project_Tree_Ref);
1435 -- Use to customize error reporting in Prj.Proc and Prj.Nmsc
1437 procedure Expect (The_Token : Token_Type; Token_Image : String);
1438 -- Check that the current token is The_Token. If it is not, then output
1439 -- an error message.
1441 procedure Initialize (Tree : Project_Tree_Ref);
1442 -- This procedure must be called before using any services from the Prj
1443 -- hierarchy. Namet.Initialize must be called before Prj.Initialize.
1445 procedure Reset (Tree : Project_Tree_Ref);
1446 -- This procedure resets all the tables that are used when processing a
1447 -- project file tree. Initialize must be called before the call to Reset.
1449 procedure Register_Default_Naming_Scheme
1450 (Language : Name_Id;
1451 Default_Spec_Suffix : File_Name_Type;
1452 Default_Body_Suffix : File_Name_Type;
1453 In_Tree : Project_Tree_Ref);
1454 -- Register the default suffixes for a given language. These extensions
1455 -- will be ignored if the user has specified a new naming scheme in a
1458 -- Otherwise, this information will be automatically added to Naming_Data
1459 -- when a project is processed, in the lists Spec_Suffix and Body_Suffix.
1461 package Project_Boolean_Htable is new Simple_HTable
1462 (Header_Num => Header_Num,
1464 No_Element => False,
1468 -- A table that associates a project to a boolean. This is used to detect
1469 -- whether a project was already processed for instance.
1472 type State is limited private;
1473 with procedure Action
1474 (Project : Project_Id;
1475 With_State : in out State);
1476 procedure For_Every_Project_Imported
1478 With_State : in out State;
1479 Imported_First : Boolean := False);
1480 -- Call Action for each project imported directly or indirectly by project
1481 -- By, as well as extended projects.
1482 -- The order of processing depends on Imported_First:
1483 -- If False, Action is called according to the order of importation: if A
1484 -- imports B, directly or indirectly, Action will be called for A before
1485 -- it is called for B. If two projects import each other directly or
1486 -- indirectly (using at least one "limited with"), it is not specified
1487 -- for which of these two projects Action will be called first.
1488 -- The order is reversed if Imported_First is True.
1489 -- With_State may be used by Action to choose a behavior or to report some
1492 function Extend_Name
1493 (File : File_Name_Type;
1494 With_Suffix : String) return File_Name_Type;
1495 -- Replace the extension of File with With_Suffix
1497 function Object_Name
1498 (Source_File_Name : File_Name_Type;
1499 Object_File_Suffix : Name_Id := No_Name) return File_Name_Type;
1500 -- Returns the object file name corresponding to a source file name
1502 function Dependency_Name
1503 (Source_File_Name : File_Name_Type;
1504 Dependency : Dependency_File_Kind) return File_Name_Type;
1505 -- Returns the dependency file name corresponding to a source file name
1507 function Switches_Name
1508 (Source_File_Name : File_Name_Type) return File_Name_Type;
1509 -- Returns the switches file name corresponding to a source file name
1515 procedure Record_Temp_File (Path : Path_Name_Type);
1516 -- Record the path of a newly created temporary file, so that it can be
1519 procedure Delete_All_Temp_Files;
1520 -- Delete all recorded temporary files
1524 All_Packages : constant String_List_Access := null;
1526 No_Project_Tree : constant Project_Tree_Ref := null;
1528 Ignored : constant Variable_Kind := Single;
1530 Nil_Variable_Value : constant Variable_Value :=
1531 (Project => No_Project,
1533 Location => No_Location,
1536 Virtual_Prefix : constant String := "v$";
1537 -- The prefix for virtual extending projects. Because of the '$', which is
1538 -- normally forbidden for project names, there cannot be any name clash.
1540 Empty_Name : Name_Id;
1541 -- Name_Id for an empty name (no characters). Initialized in procedure
1544 Empty_File_Name : File_Name_Type;
1545 -- Empty File_Name_Type (no characters). Initialized in procedure
1548 type Source_Iterator is record
1549 In_Tree : Project_Tree_Ref;
1551 Project : Project_List;
1552 All_Projects : Boolean;
1553 -- Current project and whether we should move on to the next
1555 Language : Language_Ptr;
1556 -- Current language processed
1558 Language_Name : Name_Id;
1559 -- Only sources of this language will be returned (or all if No_Name)
1561 Current : Source_Id;
1564 procedure Add_To_Buffer
1566 To : in out String_Access;
1567 Last : in out Natural);
1568 -- Append a String to the Buffer
1570 type Naming_Id is new Nat;
1572 package Naming_Table is new GNAT.Dynamic_Tables
1573 (Table_Component_Type => Naming_Data,
1574 Table_Index_Type => Naming_Id,
1575 Table_Low_Bound => 1,
1577 Table_Increment => 100);
1578 -- Table storing the naming data for gnatmake/gprmake
1580 package Path_File_Table is new GNAT.Dynamic_Tables
1581 (Table_Component_Type => Path_Name_Type,
1582 Table_Index_Type => Natural,
1583 Table_Low_Bound => 1,
1584 Table_Initial => 50,
1585 Table_Increment => 100);
1586 -- Table storing all the temp path file names.
1587 -- Used by Delete_All_Path_Files.
1589 package Source_Path_Table is new GNAT.Dynamic_Tables
1590 (Table_Component_Type => Name_Id,
1591 Table_Index_Type => Natural,
1592 Table_Low_Bound => 1,
1593 Table_Initial => 50,
1594 Table_Increment => 100);
1595 -- A table to store the source dirs before creating the source path file
1597 package Object_Path_Table is new GNAT.Dynamic_Tables
1598 (Table_Component_Type => Path_Name_Type,
1599 Table_Index_Type => Natural,
1600 Table_Low_Bound => 1,
1601 Table_Initial => 50,
1602 Table_Increment => 100);
1603 -- A table to store the object dirs, before creating the object path file
1605 type Private_Project_Tree_Data is record
1606 Namings : Naming_Table.Instance;
1607 Path_Files : Path_File_Table.Instance;
1608 Source_Paths : Source_Path_Table.Instance;
1609 Object_Paths : Object_Path_Table.Instance;
1610 Default_Naming : Naming_Data;
1612 Current_Source_Path_File : Path_Name_Type := No_Path;
1613 -- Current value of project source path file env var. Used to avoid
1614 -- setting the env var to the same value.
1616 Current_Object_Path_File : Path_Name_Type := No_Path;
1617 -- Current value of project object path file env var. Used to avoid
1618 -- setting the env var to the same value.
1620 Ada_Path_Buffer : String_Access := new String (1 .. 1024);
1621 -- A buffer where values for ADA_INCLUDE_PATH and ADA_OBJECTS_PATH are
1624 Ada_Path_Length : Natural := 0;
1625 -- Index of the last valid character in Ada_Path_Buffer
1627 Ada_Prj_Include_File_Set : Boolean := False;
1628 Ada_Prj_Objects_File_Set : Boolean := False;
1629 -- These flags are set to True when the corresponding environment
1630 -- variables are set and are used to give these environment variables an
1631 -- empty string value at the end of the program. This has no practical
1632 -- effect on most platforms, except on VMS where the logical names are
1633 -- deassigned, thus avoiding the pollution of the environment of the
1636 Fill_Mapping_File : Boolean := True;
1639 -- Type to represent the part of a project tree which is private to the