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 Project_Qualifier is
70 -- Qualifiers that can prefix the reserved word "project" in a project
72 -- Standard: standard project ...
73 -- Library: library project is ...
74 -- Dry: abstract project is
75 -- Aggregate: aggregate project is
76 -- Aggregate_Library: aggregate library project is ...
77 -- Configuration: configuration project is ...
79 All_Packages : constant String_List_Access;
80 -- Default value of parameter Packages of procedures Parse, in Prj.Pars and
81 -- Prj.Part, indicating that all packages should be checked.
83 type Project_Tree_Data;
84 type Project_Tree_Ref is access all Project_Tree_Data;
85 -- Reference to a project tree. Several project trees may exist in memory
88 No_Project_Tree : constant Project_Tree_Ref;
90 procedure Free (Tree : in out Project_Tree_Ref);
91 -- Free memory associated with the tree
93 Config_Project_File_Extension : String := ".cgpr";
94 Project_File_Extension : String := ".gpr";
95 -- The standard config and user project file name extensions. They are not
96 -- constants, because Canonical_Case_File_Name is called on these variables
97 -- in the body of Prj.
99 function Empty_File return File_Name_Type;
100 function Empty_String return Name_Id;
101 -- Return the id for an empty string ""
103 type Path_Information is record
104 Name : Path_Name_Type := No_Path;
105 Display_Name : Path_Name_Type := No_Path;
107 -- Directory names always end with a directory separator
109 No_Path_Information : constant Path_Information := (No_Path, No_Path);
112 type Project_Id is access all Project_Data;
113 No_Project : constant Project_Id := null;
114 -- Id of a Project File
116 type String_List_Id is new Nat;
117 Nil_String : constant String_List_Id := 0;
118 type String_Element is record
119 Value : Name_Id := No_Name;
121 Display_Value : Name_Id := No_Name;
122 Location : Source_Ptr := No_Location;
123 Flag : Boolean := False;
124 Next : String_List_Id := Nil_String;
126 -- To hold values for string list variables and array elements.
127 -- Component Flag may be used for various purposes. For source
128 -- directories, it indicates if the directory contains Ada source(s).
130 package String_Element_Table is new GNAT.Dynamic_Tables
131 (Table_Component_Type => String_Element,
132 Table_Index_Type => String_List_Id,
133 Table_Low_Bound => 1,
134 Table_Initial => 200,
135 Table_Increment => 100);
136 -- The table for string elements in string lists
138 type Variable_Kind is (Undefined, List, Single);
139 -- Different kinds of variables
141 subtype Defined_Variable_Kind is Variable_Kind range List .. Single;
142 -- The defined kinds of variables
144 Ignored : constant Variable_Kind;
145 -- Used to indicate that a package declaration must be ignored
146 -- while processing the project tree (unknown package name).
148 type Variable_Value (Kind : Variable_Kind := Undefined) is record
149 Project : Project_Id := No_Project;
150 Location : Source_Ptr := No_Location;
151 Default : Boolean := False;
156 Values : String_List_Id := Nil_String;
158 Value : Name_Id := No_Name;
162 -- Values for variables and array elements. Default is True if the
163 -- current value is the default one for the variable
165 Nil_Variable_Value : constant Variable_Value;
166 -- Value of a non existing variable or array element
168 type Variable_Id is new Nat;
169 No_Variable : constant Variable_Id := 0;
170 type Variable is record
171 Next : Variable_Id := No_Variable;
173 Value : Variable_Value;
175 -- To hold the list of variables in a project file and in packages
177 package Variable_Element_Table is new GNAT.Dynamic_Tables
178 (Table_Component_Type => Variable,
179 Table_Index_Type => Variable_Id,
180 Table_Low_Bound => 1,
181 Table_Initial => 200,
182 Table_Increment => 100);
183 -- The table of variable in list of variables
185 type Array_Element_Id is new Nat;
186 No_Array_Element : constant Array_Element_Id := 0;
187 type Array_Element is record
189 Src_Index : Int := 0;
190 Index_Case_Sensitive : Boolean := True;
191 Value : Variable_Value;
192 Next : Array_Element_Id := No_Array_Element;
194 -- Each Array_Element represents an array element and is linked (Next)
195 -- to the next array element, if any, in the array.
197 package Array_Element_Table is new GNAT.Dynamic_Tables
198 (Table_Component_Type => Array_Element,
199 Table_Index_Type => Array_Element_Id,
200 Table_Low_Bound => 1,
201 Table_Initial => 200,
202 Table_Increment => 100);
203 -- The table that contains all array elements
205 type Array_Id is new Nat;
206 No_Array : constant Array_Id := 0;
207 type Array_Data is record
208 Name : Name_Id := No_Name;
209 Location : Source_Ptr := No_Location;
210 Value : Array_Element_Id := No_Array_Element;
211 Next : Array_Id := No_Array;
213 -- Each Array_Data value represents an array.
214 -- Value is the id of the first element.
215 -- Next is the id of the next array in the project file or package.
217 package Array_Table is new GNAT.Dynamic_Tables
218 (Table_Component_Type => Array_Data,
219 Table_Index_Type => Array_Id,
220 Table_Low_Bound => 1,
221 Table_Initial => 200,
222 Table_Increment => 100);
223 -- The table that contains all arrays
225 type Package_Id is new Nat;
226 No_Package : constant Package_Id := 0;
227 type Declarations is record
228 Variables : Variable_Id := No_Variable;
229 Attributes : Variable_Id := No_Variable;
230 Arrays : Array_Id := No_Array;
231 Packages : Package_Id := No_Package;
233 -- Contains the declarations (variables, single and array attributes,
234 -- packages) for a project or a package in a project.
236 No_Declarations : constant Declarations :=
237 (Variables => No_Variable,
238 Attributes => No_Variable,
240 Packages => No_Package);
241 -- Default value of Declarations: indicates that there is no declarations
243 type Package_Element is record
244 Name : Name_Id := No_Name;
245 Decl : Declarations := No_Declarations;
246 Parent : Package_Id := No_Package;
247 Next : Package_Id := No_Package;
249 -- A package (includes declarations that may include other packages)
251 package Package_Table is new GNAT.Dynamic_Tables
252 (Table_Component_Type => Package_Element,
253 Table_Index_Type => Package_Id,
254 Table_Low_Bound => 1,
255 Table_Initial => 100,
256 Table_Increment => 100);
257 -- The table that contains all packages
260 type Language_Ptr is access all Language_Data;
261 -- Index of language data
263 No_Language_Index : constant Language_Ptr := null;
264 -- Constant indicating that there is no language data
266 function Get_Language_From_Name
267 (Project : Project_Id;
268 Name : String) return Language_Ptr;
269 -- Get a language from a project. This might return null if no such
270 -- language exists in the project
272 Max_Header_Num : constant := 6150;
273 type Header_Num is range 0 .. Max_Header_Num;
274 -- Size for hash table below. The upper bound is an arbitrary value, the
275 -- value here was chosen after testing to determine a good compromise
276 -- between speed of access and memory usage.
278 function Hash (Name : Name_Id) return Header_Num;
279 function Hash (Name : File_Name_Type) return Header_Num;
280 function Hash (Name : Path_Name_Type) return Header_Num;
281 function Hash (Project : Project_Id) return Header_Num;
282 -- Used for computing hash values for names put into above hash table
284 type Language_Kind is (File_Based, Unit_Based);
285 -- Type for the kind of language. All languages are file based, except Ada
286 -- which is unit based.
288 type Dependency_File_Kind is (None, Makefile, ALI_File);
289 -- Type of dependency to be checked: no dependency file, Makefile fragment
290 -- or ALI file (for Ada).
292 Makefile_Dependency_Suffix : constant String := ".d";
293 ALI_Dependency_Suffix : constant String := ".ali";
295 Switches_Dependency_Suffix : constant String := ".cswi";
297 Binder_Exchange_Suffix : constant String := ".bexch";
298 -- Suffix for binder exchange files
300 Library_Exchange_Suffix : constant String := ".lexch";
301 -- Suffix for library exchange files
303 type Name_List_Index is new Nat;
304 No_Name_List : constant Name_List_Index := 0;
306 type Name_Node is record
307 Name : Name_Id := No_Name;
308 Next : Name_List_Index := No_Name_List;
311 package Name_List_Table is new GNAT.Dynamic_Tables
312 (Table_Component_Type => Name_Node,
313 Table_Index_Type => Name_List_Index,
314 Table_Low_Bound => 1,
316 Table_Increment => 100);
317 -- The table for lists of names
320 (Table : Name_List_Table.Instance; List : Name_List_Index) return Natural;
321 -- Return the number of elements in that list
323 type Number_List_Index is new Nat;
324 No_Number_List : constant Number_List_Index := 0;
326 type Number_Node is record
327 Number : Natural := 0;
328 Next : Number_List_Index := No_Number_List;
331 package Number_List_Table is new GNAT.Dynamic_Tables
332 (Table_Component_Type => Number_Node,
333 Table_Index_Type => Number_List_Index,
334 Table_Low_Bound => 1,
336 Table_Increment => 100);
337 -- The table for lists of numbers
339 package Mapping_Files_Htable is new Simple_HTable
340 (Header_Num => Header_Num,
341 Element => Path_Name_Type,
342 No_Element => No_Path,
343 Key => Path_Name_Type,
346 -- A hash table to store the mapping files that are not used
348 type Lang_Naming_Data is record
349 Dot_Replacement : File_Name_Type := No_File;
350 -- The string to replace '.' in the source file name (for Ada)
352 Casing : Casing_Type := All_Lower_Case;
353 -- The casing of the source file name (for Ada)
355 Separate_Suffix : File_Name_Type := No_File;
356 -- String to append to unit name for source file name of an Ada subunit
358 Spec_Suffix : File_Name_Type := No_File;
359 -- The string to append to the unit name for the
360 -- source file name of a spec.
362 Body_Suffix : File_Name_Type := No_File;
363 -- The string to append to the unit name for the
364 -- source file name of a body.
367 No_Lang_Naming_Data : constant Lang_Naming_Data :=
368 (Dot_Replacement => No_File,
369 Casing => All_Lower_Case,
370 Separate_Suffix => No_File,
371 Spec_Suffix => No_File,
372 Body_Suffix => No_File);
374 function Is_Standard_GNAT_Naming (Naming : Lang_Naming_Data) return Boolean;
375 -- True if the naming scheme is GNAT's default naming scheme. This
376 -- is to take into account shortened names like "Ada." (a-), "System." (s-)
380 type Source_Id is access all Source_Data;
382 function Is_Compilable (Source : Source_Id) return Boolean;
383 pragma Inline (Is_Compilable);
384 -- Return True if we know how to compile Source (i.e. if a compiler is
385 -- defined). This doesn't indicate whether the source should be compiled.
387 function Object_To_Global_Archive (Source : Source_Id) return Boolean;
388 pragma Inline (Object_To_Global_Archive);
389 -- Return True if the object file should be put in the global archive.
390 -- This is for Ada, when only the closure of a main needs to be
393 function Other_Part (Source : Source_Id) return Source_Id;
394 pragma Inline (Other_Part);
395 -- Source ID for the other part, if any: for a spec, indicates its body;
396 -- for a body, indicates its spec.
398 No_Source : constant Source_Id := null;
400 type Path_Syntax_Kind is
405 -- Host specific syntax, for example on VMS (the default)
407 type Language_Config is record
408 Kind : Language_Kind := File_Based;
409 -- Kind of language. All languages are file based, except Ada which is
412 Naming_Data : Lang_Naming_Data;
413 -- The naming data for the languages (prefixes, etc.)
415 Include_Compatible_Languages : Name_List_Index := No_Name_List;
416 -- The list of languages that are "include compatible" with this
417 -- language. A language B (for example "C") is "include compatible" with
418 -- a language A (for example "C++") if it is expected that sources of
419 -- language A may "include" header files from language B.
421 Compiler_Driver : File_Name_Type := No_File;
422 -- The name of the executable for the compiler of the language
424 Compiler_Driver_Path : String_Access := null;
425 -- The path name of the executable for the compiler of the language
427 Compiler_Leading_Required_Switches : Name_List_Index := No_Name_List;
428 -- The list of initial switches that are required as a minimum to invoke
429 -- the compiler driver.
431 Compiler_Trailing_Required_Switches : Name_List_Index := No_Name_List;
432 -- The list of final switches that are required as a minimum to invoke
433 -- the compiler driver.
435 Path_Syntax : Path_Syntax_Kind := Host;
436 -- Value may be Canonical (Unix style) or Host (host syntax, for example
437 -- on VMS for DEC C).
439 Object_File_Suffix : Name_Id := No_Name;
440 -- Optional alternate object file suffix
442 Object_File_Switches : Name_List_Index := No_Name_List;
443 -- Optional object file switches. When this is defined, the switches
444 -- are used to specify the object file. The object file name is appended
445 -- to the last switch in the list. Example: ("-o", "").
447 Compilation_PIC_Option : Name_List_Index := No_Name_List;
448 -- The option(s) to compile a source in Position Independent Code for
449 -- shared libraries. Specified in the configuration. When not specified,
450 -- there is no need for such switch.
452 Object_Generated : Boolean := True;
453 -- False in no object file is generated
455 Objects_Linked : Boolean := True;
456 -- False if object files are not use to link executables and build
459 Runtime_Library_Dir : Name_Id := No_Name;
460 -- Path name of the runtime library directory, if any
462 Runtime_Source_Dir : Name_Id := No_Name;
463 -- Path name of the runtime source directory, if any
465 Mapping_File_Switches : Name_List_Index := No_Name_List;
466 -- The option(s) to provide a mapping file to the compiler. Specified in
467 -- the configuration. When value is No_Name_List, there is no mapping
470 Mapping_Spec_Suffix : File_Name_Type := No_File;
471 -- Placeholder representing the spec suffix in a mapping file
473 Mapping_Body_Suffix : File_Name_Type := No_File;
474 -- Placeholder representing the body suffix in a mapping file
476 Config_File_Switches : Name_List_Index := No_Name_List;
477 -- The option(s) to provide a config file to the compiler. Specified in
478 -- the configuration. When value is No_Name_List, there is no config
481 Dependency_Kind : Dependency_File_Kind := None;
482 -- The kind of dependency to be checked: none, Makefile fragment or
483 -- ALI file (for Ada).
485 Dependency_Option : Name_List_Index := No_Name_List;
486 -- The option(s) to be used to create the dependency file. When value is
487 -- No_Name_List, there is not such option(s).
489 Compute_Dependency : Name_List_Index := No_Name_List;
490 -- Hold the value of attribute Dependency_Driver, if declared for the
493 Include_Option : Name_List_Index := No_Name_List;
494 -- Hold the value of attribute Include_Switches, if declared for the
497 Include_Path : Name_Id := No_Name;
498 -- Name of environment variable declared by attribute Include_Path for
501 Include_Path_File : Name_Id := No_Name;
502 -- Name of environment variable declared by attribute Include_Path_File
505 Objects_Path : Name_Id := No_Name;
506 -- Name of environment variable declared by attribute Objects_Path for
509 Objects_Path_File : Name_Id := No_Name;
510 -- Name of environment variable declared by attribute Objects_Path_File
513 Config_Body : Name_Id := No_Name;
514 -- The template for a pragma Source_File_Name(_Project) for a specific
515 -- file name of a body.
517 Config_Spec : Name_Id := No_Name;
518 -- The template for a pragma Source_File_Name(_Project) for a specific
519 -- file name of a spec.
521 Config_Body_Pattern : Name_Id := No_Name;
522 -- The template for a pragma Source_File_Name(_Project) for a naming
525 Config_Spec_Pattern : Name_Id := No_Name;
526 -- The template for a pragma Source_File_Name(_Project) for a naming
529 Config_File_Unique : Boolean := False;
530 -- Indicate if the config file specified to the compiler needs to be
531 -- unique. If it is unique, then all config files are concatenated into
532 -- a temp config file.
534 Binder_Driver : File_Name_Type := No_File;
535 -- The name of the binder driver for the language, if any
537 Binder_Driver_Path : Path_Name_Type := No_Path;
538 -- The path name of the binder driver
540 Binder_Required_Switches : Name_List_Index := No_Name_List;
541 -- Hold the value of attribute Binder'Required_Switches for the language
543 Binder_Prefix : Name_Id := No_Name;
544 -- Hold the value of attribute Binder'Prefix for the language
546 Toolchain_Version : Name_Id := No_Name;
547 -- Hold the value of attribute Toolchain_Version for the language
549 Toolchain_Description : Name_Id := No_Name;
550 -- Hold the value of attribute Toolchain_Description for the language
553 -- Record describing the configuration of a language
555 No_Language_Config : constant Language_Config :=
557 Naming_Data => No_Lang_Naming_Data,
558 Include_Compatible_Languages => No_Name_List,
559 Compiler_Driver => No_File,
560 Compiler_Driver_Path => null,
561 Compiler_Leading_Required_Switches => No_Name_List,
562 Compiler_Trailing_Required_Switches => No_Name_List,
563 Path_Syntax => Canonical,
564 Object_File_Suffix => No_Name,
565 Object_File_Switches => No_Name_List,
566 Compilation_PIC_Option => No_Name_List,
567 Object_Generated => True,
568 Objects_Linked => True,
569 Runtime_Library_Dir => No_Name,
570 Runtime_Source_Dir => No_Name,
571 Mapping_File_Switches => No_Name_List,
572 Mapping_Spec_Suffix => No_File,
573 Mapping_Body_Suffix => No_File,
574 Config_File_Switches => No_Name_List,
575 Dependency_Kind => None,
576 Dependency_Option => No_Name_List,
577 Compute_Dependency => No_Name_List,
578 Include_Option => No_Name_List,
579 Include_Path => No_Name,
580 Include_Path_File => No_Name,
581 Objects_Path => No_Name,
582 Objects_Path_File => No_Name,
583 Config_Body => No_Name,
584 Config_Spec => No_Name,
585 Config_Body_Pattern => No_Name,
586 Config_Spec_Pattern => No_Name,
587 Config_File_Unique => False,
588 Binder_Driver => No_File,
589 Binder_Driver_Path => No_Path,
590 Binder_Required_Switches => No_Name_List,
591 Binder_Prefix => No_Name,
592 Toolchain_Version => No_Name,
593 Toolchain_Description => No_Name);
595 type Language_Data is record
596 Name : Name_Id := No_Name;
597 Display_Name : Name_Id := No_Name;
598 Config : Language_Config := No_Language_Config;
599 First_Source : Source_Id := No_Source;
600 Mapping_Files : Mapping_Files_Htable.Instance :=
601 Mapping_Files_Htable.Nil;
602 Next : Language_Ptr := No_Language_Index;
605 No_Language_Data : constant Language_Data :=
607 Display_Name => No_Name,
608 Config => No_Language_Config,
609 First_Source => No_Source,
610 Mapping_Files => Mapping_Files_Htable.Nil,
611 Next => No_Language_Index);
613 type Language_List_Element;
614 type Language_List is access all Language_List_Element;
615 type Language_List_Element is record
616 Language : Language_Ptr := No_Language_Index;
617 Next : Language_List;
620 type Source_Kind is (Spec, Impl, Sep);
621 subtype Spec_Or_Body is Source_Kind range Spec .. Impl;
623 -- The following declarations declare a structure used to store the Name
624 -- and File and Path names of a unit, with a reference to its GNAT Project
625 -- File(s). Some units might have neither Spec nor Impl when they were
626 -- created for a "separate".
628 type File_Names_Data is array (Spec_Or_Body) of Source_Id;
630 type Unit_Data is record
631 Name : Name_Id := No_Name;
632 File_Names : File_Names_Data;
635 type Unit_Index is access all Unit_Data;
637 No_Unit_Index : constant Unit_Index := null;
638 -- Used to indicate a null entry for no unit
640 -- Structure to define source data
642 type Source_Data is record
643 Project : Project_Id := No_Project;
644 -- Project of the source
646 Source_Dir_Rank : Natural := 0;
647 -- The rank of the source directory in list declared with attribute
648 -- Source_Dirs. Two source files with the same name cannot appears in
649 -- different directory with the same rank. That can happen when the
650 -- recursive notation <dir>/** is used in attribute Source_Dirs.
652 Language : Language_Ptr := No_Language_Index;
653 -- Index of the language. This is an index into
654 -- Project_Tree.Languages_Data.
656 In_Interfaces : Boolean := True;
657 -- False when the source is not included in interfaces, when attribute
658 -- Interfaces is declared.
660 Declared_In_Interfaces : Boolean := False;
661 -- True when source is declared in attribute Interfaces
663 Alternate_Languages : Language_List := null;
664 -- List of languages a header file may also be, in addition of language
667 Kind : Source_Kind := Spec;
668 -- Kind of the source: spec, body or subunit
670 Unit : Unit_Index := No_Unit_Index;
671 -- Name of the unit, if language is unit based. This is only set for
672 -- those files that are part of the compilation set (for instance a
673 -- file in an extended project that is overridden will not have this
677 -- Index of the source in a multi unit source file (the same Source_Data
678 -- is duplicated several times when there are several units in the same
679 -- file). Index is 0 if there is either no unit or a single one, and
680 -- starts at 1 when there are multiple units
682 Locally_Removed : Boolean := False;
683 -- True if the source has been "excluded"
685 Replaced_By : Source_Id := No_Source;
687 File : File_Name_Type := No_File;
688 -- Canonical file name of the source
690 Display_File : File_Name_Type := No_File;
691 -- File name of the source, for display purposes
693 Path : Path_Information := No_Path_Information;
694 -- Path name of the source
696 Source_TS : Time_Stamp_Type := Empty_Time_Stamp;
697 -- Time stamp of the source file
699 Object_Project : Project_Id := No_Project;
700 -- Project where the object file is. This might be different from
701 -- Project when using extending project files.
703 Object : File_Name_Type := No_File;
704 -- File name of the object file
706 Current_Object_Path : Path_Name_Type := No_Path;
707 -- Object path of an existing object file
709 Object_Path : Path_Name_Type := No_Path;
710 -- Object path of the real object file
712 Object_TS : Time_Stamp_Type := Empty_Time_Stamp;
713 -- Object file time stamp
715 Dep_Name : File_Name_Type := No_File;
716 -- Dependency file simple name
718 Current_Dep_Path : Path_Name_Type := No_Path;
719 -- Path name of an existing dependency file
721 Dep_Path : Path_Name_Type := No_Path;
722 -- Path name of the real dependency file
724 Dep_TS : Time_Stamp_Type := Empty_Time_Stamp;
725 -- Dependency file time stamp
727 Switches : File_Name_Type := No_File;
728 -- File name of the switches file. For all languages, this is a file
729 -- that ends with the .cswi extension.
731 Switches_Path : Path_Name_Type := No_Path;
732 -- Path name of the switches file
734 Switches_TS : Time_Stamp_Type := Empty_Time_Stamp;
735 -- Switches file time stamp
737 Naming_Exception : Boolean := False;
738 -- True if the source has an exceptional name
740 Next_In_Lang : Source_Id := No_Source;
741 -- Link to another source of the same language in the same project
744 No_Source_Data : constant Source_Data :=
745 (Project => No_Project,
746 Source_Dir_Rank => 0,
747 Language => No_Language_Index,
748 In_Interfaces => True,
749 Declared_In_Interfaces => False,
750 Alternate_Languages => null,
752 Unit => No_Unit_Index,
754 Locally_Removed => False,
755 Replaced_By => No_Source,
757 Display_File => No_File,
758 Path => No_Path_Information,
759 Source_TS => Empty_Time_Stamp,
760 Object_Project => No_Project,
762 Current_Object_Path => No_Path,
763 Object_Path => No_Path,
764 Object_TS => Empty_Time_Stamp,
766 Current_Dep_Path => No_Path,
768 Dep_TS => Empty_Time_Stamp,
770 Switches_Path => No_Path,
771 Switches_TS => Empty_Time_Stamp,
772 Naming_Exception => False,
773 Next_In_Lang => No_Source);
775 package Source_Paths_Htable is new Simple_HTable
776 (Header_Num => Header_Num,
777 Element => Source_Id,
778 No_Element => No_Source,
779 Key => Path_Name_Type,
782 -- Mapping of source paths to source ids
784 package Unit_Sources_Htable is new Simple_HTable
785 (Header_Num => Header_Num,
786 Element => Source_Id,
787 No_Element => No_Source,
792 type Verbosity is (Default, Medium, High);
793 -- Verbosity when parsing GNAT Project Files
794 -- Default is default (very quiet, if no errors).
795 -- Medium is more verbose.
796 -- High is extremely verbose.
798 Current_Verbosity : Verbosity := Default;
799 -- The current value of the verbosity the project files are parsed with
801 type Lib_Kind is (Static, Dynamic, Relocatable);
803 type Policy is (Autonomous, Compliant, Controlled, Restricted, Direct);
804 -- Type to specify the symbol policy, when symbol control is supported.
805 -- See full explanation about this type in package Symbols.
806 -- Autonomous: Create a symbol file without considering any reference
807 -- Compliant: Try to be as compatible as possible with an existing ref
808 -- Controlled: Fail if symbols are not the same as those in the reference
809 -- Restricted: Restrict the symbols to those in the symbol file
810 -- Direct: The symbol file is used as is
812 type Symbol_Record is record
813 Symbol_File : Path_Name_Type := No_Path;
814 Reference : Path_Name_Type := No_Path;
815 Symbol_Policy : Policy := Autonomous;
817 -- Type to keep the symbol data to be used when building a shared library
819 No_Symbols : constant Symbol_Record :=
820 (Symbol_File => No_Path,
821 Reference => No_Path,
822 Symbol_Policy => Autonomous);
823 -- The default value of the symbol data
825 function Image (The_Casing : Casing_Type) return String;
826 -- Similar to 'Image (but avoid use of this attribute in compiler)
828 function Value (Image : String) return Casing_Type;
829 -- Similar to 'Value (but avoid use of this attribute in compiler)
830 -- Raises Constraint_Error if not a Casing_Type image.
832 -- The following record contains data for a naming scheme
834 function Get_Object_Directory
835 (Project : Project_Id;
836 Including_Libraries : Boolean;
837 Only_If_Ada : Boolean := False) return Path_Name_Type;
838 -- Return the object directory to use for the project. This depends on
839 -- whether we have a library project or a standard project. This function
840 -- might return No_Name when no directory applies.
841 -- If we have a a library project file and Including_Libraries is True then
842 -- the library dir is returned instead of the object dir.
843 -- If Only_If_Ada is True, then No_Name will be returned when the project
844 -- doesn't Ada sources.
846 procedure Compute_All_Imported_Projects (Tree : Project_Tree_Ref);
847 -- For all projects in the tree, compute the list of the projects imported
848 -- directly or indirectly by project Project. The result is stored in
849 -- Project.All_Imported_Projects for each project
851 function Ultimate_Extending_Project_Of
852 (Proj : Project_Id) return Project_Id;
853 -- Returns the ultimate extending project of project Proj. If project Proj
854 -- is not extended, returns Proj.
856 type Project_List_Element;
857 type Project_List is access all Project_List_Element;
858 type Project_List_Element is record
859 Project : Project_Id := No_Project;
860 Next : Project_List := null;
862 -- A list of projects
865 (List : in out Project_List;
866 Free_Project : Boolean);
867 -- Free the list of projects, if Free_Project, each project is also freed
869 type Response_File_Format is
874 -- The format of the different response files
876 type Project_Configuration is record
877 Target : Name_Id := No_Name;
878 -- The target of the configuration, when specified
880 Run_Path_Option : Name_List_Index := No_Name_List;
881 -- The option to use when linking to specify the path where to look for
884 Separate_Run_Path_Options : Boolean := False;
885 -- True if each directory needs to be specified in a separate run path
888 Executable_Suffix : Name_Id := No_Name;
889 -- The suffix of executables, when specified in the configuration or in
890 -- package Builder of the main project. When this is not specified, the
891 -- executable suffix is the default for the platform.
895 Linker : Path_Name_Type := No_Path;
896 -- Path name of the linker driver. Specified in the configuration or in
897 -- the package Builder of the main project.
899 Map_File_Option : Name_Id := No_Name;
900 -- Option to use when invoking the linker to build a map file
902 Minimum_Linker_Options : Name_List_Index := No_Name_List;
903 -- The minimum options for the linker driver. Specified in the
906 Linker_Executable_Option : Name_List_Index := No_Name_List;
907 -- The option(s) to indicate the name of the executable in the linker
908 -- command. Specified in the configuration. When not specified, default
909 -- to -o <executable name>.
911 Linker_Lib_Dir_Option : Name_Id := No_Name;
912 -- The option to specify where to find a library for linking. Specified
913 -- in the configuration. When not specified, defaults to "-L".
915 Linker_Lib_Name_Option : Name_Id := No_Name;
916 -- The option to specify the name of a library for linking. Specified in
917 -- the configuration. When not specified, defaults to "-l".
919 Max_Command_Line_Length : Natural := 0;
920 -- When positive and when Resp_File_Format (see below) is not None,
921 -- if the command line for the invocation of the linker would be greater
922 -- than this value, a response file is used to invoke the linker.
924 Resp_File_Format : Response_File_Format := None;
925 -- The format of a response file, when linking with a response file is
928 Resp_File_Options : Name_List_Index := No_Name_List;
929 -- The switches, if any, that precede the path name of the response
930 -- file in the invocation of the linker.
934 Library_Builder : Path_Name_Type := No_Path;
935 -- The executable to build library (specified in the configuration)
937 Lib_Support : Library_Support := None;
938 -- The level of library support. Specified in the configuration. Support
939 -- is none, static libraries only or both static and shared libraries.
941 Archive_Builder : Name_List_Index := No_Name_List;
942 -- The name of the executable to build archives, with the minimum
943 -- switches. Specified in the configuration.
945 Archive_Builder_Append_Option : Name_List_Index := No_Name_List;
946 -- The options to append object files to an archive
948 Archive_Indexer : Name_List_Index := No_Name_List;
949 -- The name of the executable to index archives, with the minimum
950 -- switches. Specified in the configuration.
952 Archive_Suffix : File_Name_Type := No_File;
953 -- The suffix of archives. Specified in the configuration. When not
954 -- specified, defaults to ".a".
956 Lib_Partial_Linker : Name_List_Index := No_Name_List;
960 Shared_Lib_Driver : File_Name_Type := No_File;
961 -- The driver to link shared libraries. Set with attribute Library_GCC.
964 Shared_Lib_Prefix : File_Name_Type := No_File;
965 -- Part of a shared library file name that precedes the name of the
966 -- library. Specified in the configuration. When not specified, defaults
969 Shared_Lib_Suffix : File_Name_Type := No_File;
970 -- Suffix of shared libraries, after the library name in the shared
971 -- library name. Specified in the configuration. When not specified,
974 Shared_Lib_Min_Options : Name_List_Index := No_Name_List;
975 -- The minimum options to use when building a shared library
977 Lib_Version_Options : Name_List_Index := No_Name_List;
978 -- The options to use to specify a library version
980 Symbolic_Link_Supported : Boolean := False;
981 -- True if the platform supports symbolic link files
983 Lib_Maj_Min_Id_Supported : Boolean := False;
984 -- True if platform supports library major and minor options, such as
985 -- libname.so -> libname.so.2 -> libname.so.2.4
987 Auto_Init_Supported : Boolean := False;
988 -- True if automatic initialisation is supported for shared stand-alone
992 Default_Project_Config : constant Project_Configuration :=
994 Run_Path_Option => No_Name_List,
995 Separate_Run_Path_Options => False,
996 Executable_Suffix => No_Name,
998 Map_File_Option => No_Name,
999 Minimum_Linker_Options => No_Name_List,
1000 Linker_Executable_Option => No_Name_List,
1001 Linker_Lib_Dir_Option => No_Name,
1002 Linker_Lib_Name_Option => No_Name,
1003 Library_Builder => No_Path,
1004 Max_Command_Line_Length => 0,
1005 Resp_File_Format => None,
1006 Resp_File_Options => No_Name_List,
1007 Lib_Support => None,
1008 Archive_Builder => No_Name_List,
1009 Archive_Builder_Append_Option => No_Name_List,
1010 Archive_Indexer => No_Name_List,
1011 Archive_Suffix => No_File,
1012 Lib_Partial_Linker => No_Name_List,
1013 Shared_Lib_Driver => No_File,
1014 Shared_Lib_Prefix => No_File,
1015 Shared_Lib_Suffix => No_File,
1016 Shared_Lib_Min_Options => No_Name_List,
1017 Lib_Version_Options => No_Name_List,
1018 Symbolic_Link_Supported => False,
1019 Lib_Maj_Min_Id_Supported => False,
1020 Auto_Init_Supported => False);
1022 -- The following record describes a project file representation
1024 -- Note that it is not specified if the path names of directories (source,
1025 -- object, library or exec directories) end with or without a directory
1028 type Project_Data is record
1034 Name : Name_Id := No_Name;
1035 -- The name of the project
1037 Display_Name : Name_Id := No_Name;
1038 -- The name of the project with the spelling of its declaration
1040 Qualifier : Project_Qualifier := Unspecified;
1041 -- The eventual qualifier for this project
1043 Externally_Built : Boolean := False;
1044 -- True if the project is externally built. In such case, the Project
1045 -- Manager will not modify anything in this project.
1047 Config : Project_Configuration;
1049 Path : Path_Information := No_Path_Information;
1050 -- The path name of the project file. This include base name of the
1053 Virtual : Boolean := False;
1054 -- True for virtual extending projects
1056 Location : Source_Ptr := No_Location;
1057 -- The location in the project file source of the reserved word project
1063 Languages : Language_Ptr := No_Language_Index;
1064 -- First index of the language data in the project.
1065 -- This is an index into the project_tree_data.languages_data.
1066 -- Traversing the list gives access to all the languages supported by
1073 Mains : String_List_Id := Nil_String;
1074 -- List of mains specified by attribute Main
1076 Extends : Project_Id := No_Project;
1077 -- The reference of the project file, if any, that this project file
1080 Extended_By : Project_Id := No_Project;
1081 -- The reference of the project file, if any, that extends this project
1084 Decl : Declarations := No_Declarations;
1085 -- The declarations (variables, attributes and packages) of this project
1088 Imported_Projects : Project_List;
1089 -- The list of all directly imported projects, if any
1091 All_Imported_Projects : Project_List;
1092 -- The list of all projects imported directly or indirectly, if any.
1093 -- This does not include the project itself.
1099 Directory : Path_Information := No_Path_Information;
1100 -- Path name of the directory where the project file resides
1102 Object_Directory : Path_Information := No_Path_Information;
1103 -- The path name of the object directory of this project file
1105 Exec_Directory : Path_Information := No_Path_Information;
1106 -- The path name of the exec directory of this project file. Default is
1107 -- equal to Object_Directory.
1113 Library : Boolean := False;
1114 -- True if this is a library project
1116 Library_Name : Name_Id := No_Name;
1117 -- If a library project, name of the library
1119 Library_Kind : Lib_Kind := Static;
1120 -- If a library project, kind of library
1122 Library_Dir : Path_Information := No_Path_Information;
1123 -- If a library project, path name of the directory where the library
1126 Library_TS : Time_Stamp_Type := Empty_Time_Stamp;
1127 -- The timestamp of a library file in a library project
1129 Library_Src_Dir : Path_Information := No_Path_Information;
1130 -- If a Stand-Alone Library project, path name of the directory where
1131 -- the sources of the interfaces of the library are copied. By default,
1132 -- if attribute Library_Src_Dir is not specified, sources of the
1133 -- interfaces are not copied anywhere.
1135 Library_ALI_Dir : Path_Information := No_Path_Information;
1136 -- In a library project, path name of the directory where the ALI files
1137 -- are copied. If attribute Library_ALI_Dir is not specified, ALI files
1138 -- are copied in the Library_Dir.
1140 Lib_Internal_Name : Name_Id := No_Name;
1141 -- If a library project, internal name store inside the library
1143 Standalone_Library : Boolean := False;
1144 -- Indicate that this is a Standalone Library Project File
1146 Lib_Interface_ALIs : String_List_Id := Nil_String;
1147 -- For Standalone Library Project Files, indicate the list of Interface
1150 Lib_Auto_Init : Boolean := False;
1151 -- For non static Stand-Alone Library Project Files, indicate if
1152 -- the library initialisation should be automatic.
1154 Symbol_Data : Symbol_Record := No_Symbols;
1155 -- Symbol file name, reference symbol file name, symbol policy
1157 Need_To_Build_Lib : Boolean := False;
1158 -- Indicates that the library of a Library Project needs to be built or
1164 -- The sources for all languages including Ada are accessible through
1165 -- the Source_Iterator type
1167 Interfaces_Defined : Boolean := False;
1168 -- True if attribute Interfaces is declared for the project or any
1169 -- project it extends.
1171 Include_Path_File : Path_Name_Type := No_Path;
1172 -- The path name of the of the source search directory file.
1173 -- This is only used by gnatmake
1175 Source_Dirs : String_List_Id := Nil_String;
1176 -- The list of all the source directories
1178 Source_Dir_Ranks : Number_List_Index := No_Number_List;
1180 Ada_Include_Path : String_Access := null;
1181 -- The cached value of source search path for this project file. Set by
1182 -- the first call to Prj.Env.Ada_Include_Path for the project. Do not
1183 -- use this field directly outside of the project manager, use
1184 -- Prj.Env.Ada_Include_Path instead.
1190 Ada_Objects_Path : String_Access := null;
1191 -- The cached value of ADA_OBJECTS_PATH for this project file. Do not
1192 -- use this field directly outside of the compiler, use
1193 -- Prj.Env.Ada_Objects_Path instead.
1195 Libgnarl_Needed : Yes_No_Unknown := Unknown;
1196 -- Set to True when libgnarl is needed to link
1198 Objects_Path : String_Access := null;
1199 -- The cached value of the object dir path, used during the binding
1200 -- phase of gprbuild.
1202 Objects_Path_File_With_Libs : Path_Name_Type := No_Path;
1203 -- The cached value of the object path temp file (including library
1204 -- dirs) for this project file.
1206 Objects_Path_File_Without_Libs : Path_Name_Type := No_Path;
1207 -- The cached value of the object path temp file (excluding library
1208 -- dirs) for this project file.
1210 Config_File_Name : Path_Name_Type := No_Path;
1211 -- The path name of the configuration pragmas file, if any
1213 Config_File_Temp : Boolean := False;
1214 -- An indication that the configuration pragmas file is a temporary file
1215 -- that must be deleted at the end.
1217 Config_Checked : Boolean := False;
1218 -- A flag to avoid checking repetitively the configuration pragmas file
1220 Depth : Natural := 0;
1221 -- The maximum depth of a project in the project graph. Depth of main
1224 Unkept_Comments : Boolean := False;
1225 -- True if there are comments in the project sources that cannot be kept
1226 -- in the project tree.
1230 function Empty_Project return Project_Data;
1231 -- Return the representation of an empty project
1233 function Is_Extending
1234 (Extending : Project_Id;
1235 Extended : Project_Id) return Boolean;
1236 -- Return True if Extending is extending the Extended project
1238 function Has_Ada_Sources (Data : Project_Id) return Boolean;
1239 -- Return True if the project has Ada sources
1241 Project_Error : exception;
1242 -- Raised by some subprograms in Prj.Attr
1244 package Units_Htable is new Simple_HTable
1245 (Header_Num => Header_Num,
1246 Element => Unit_Index,
1247 No_Element => No_Unit_Index,
1251 -- Mapping of unit names to indexes in the Units table
1253 ---------------------
1254 -- Source_Iterator --
1255 ---------------------
1257 type Source_Iterator is private;
1259 function For_Each_Source
1260 (In_Tree : Project_Tree_Ref;
1261 Project : Project_Id := No_Project;
1262 Language : Name_Id := No_Name) return Source_Iterator;
1263 -- Returns an iterator for all the sources of a project tree, or a specific
1264 -- project, or a specific language.
1266 function Element (Iter : Source_Iterator) return Source_Id;
1267 -- Return the current source (or No_Source if there are no more sources)
1269 procedure Next (Iter : in out Source_Iterator);
1270 -- Move on to the next source
1272 function Find_Source
1273 (In_Tree : Project_Tree_Ref;
1274 Project : Project_Id;
1275 In_Imported_Only : Boolean := False;
1276 In_Extended_Only : Boolean := False;
1277 Base_Name : File_Name_Type) return Source_Id;
1278 -- Find the first source file with the given name either in the whole tree
1279 -- (if In_Imported_Only is False) or in the projects imported or extended
1280 -- by Project otherwise. In_Extended_Only implies In_Imported_Only, and
1281 -- will only look in Project and the projects it extends
1283 -----------------------
1284 -- Project_Tree_Data --
1285 -----------------------
1287 type Private_Project_Tree_Data is private;
1288 -- Data for a project tree that is used only by the Project Manager
1290 type Project_Tree_Data is
1292 Name_Lists : Name_List_Table.Instance;
1293 Number_Lists : Number_List_Table.Instance;
1294 String_Elements : String_Element_Table.Instance;
1295 Variable_Elements : Variable_Element_Table.Instance;
1296 Array_Elements : Array_Element_Table.Instance;
1297 Arrays : Array_Table.Instance;
1298 Packages : Package_Table.Instance;
1299 Projects : Project_List;
1301 Units_HT : Units_Htable.Instance;
1302 -- Unit name to Unit_Index (and from there so Source_Id)
1304 Source_Paths_HT : Source_Paths_Htable.Instance;
1305 -- Full path to Source_Id
1307 Private_Part : Private_Project_Tree_Data;
1309 -- Data for a project tree
1311 procedure Expect (The_Token : Token_Type; Token_Image : String);
1312 -- Check that the current token is The_Token. If it is not, then output
1313 -- an error message.
1315 procedure Initialize (Tree : Project_Tree_Ref);
1316 -- This procedure must be called before using any services from the Prj
1317 -- hierarchy. Namet.Initialize must be called before Prj.Initialize.
1319 procedure Reset (Tree : Project_Tree_Ref);
1320 -- This procedure resets all the tables that are used when processing a
1321 -- project file tree. Initialize must be called before the call to Reset.
1323 package Project_Boolean_Htable is new Simple_HTable
1324 (Header_Num => Header_Num,
1326 No_Element => False,
1330 -- A table that associates a project to a boolean. This is used to detect
1331 -- whether a project was already processed for instance.
1334 type State is limited private;
1335 with procedure Action
1336 (Project : Project_Id;
1337 With_State : in out State);
1338 procedure For_Every_Project_Imported
1340 With_State : in out State;
1341 Imported_First : Boolean := False);
1342 -- Call Action for each project imported directly or indirectly by project
1343 -- By, as well as extended projects.
1344 -- The order of processing depends on Imported_First:
1345 -- If False, Action is called according to the order of importation: if A
1346 -- imports B, directly or indirectly, Action will be called for A before
1347 -- it is called for B. If two projects import each other directly or
1348 -- indirectly (using at least one "limited with"), it is not specified
1349 -- for which of these two projects Action will be called first.
1350 -- The order is reversed if Imported_First is True.
1351 -- With_State may be used by Action to choose a behavior or to report some
1354 function Extend_Name
1355 (File : File_Name_Type;
1356 With_Suffix : String) return File_Name_Type;
1357 -- Replace the extension of File with With_Suffix
1359 function Object_Name
1360 (Source_File_Name : File_Name_Type;
1361 Object_File_Suffix : Name_Id := No_Name) return File_Name_Type;
1362 -- Returns the object file name corresponding to a source file name
1364 function Dependency_Name
1365 (Source_File_Name : File_Name_Type;
1366 Dependency : Dependency_File_Kind) return File_Name_Type;
1367 -- Returns the dependency file name corresponding to a source file name
1369 function Switches_Name
1370 (Source_File_Name : File_Name_Type) return File_Name_Type;
1371 -- Returns the switches file name corresponding to a source file name
1377 type Processing_Flags is private;
1378 -- Flags used while parsing and processing a project tree to configure the
1379 -- behavior of the parser, and indicate how to report error messages. This
1380 -- structure does not allocate memory and never needs to be freed
1382 type Error_Warning is (Silent, Warning, Error);
1383 -- Severity of some situations, such as: no Ada sources in a project where
1384 -- Ada is one of the language.
1386 -- When the situation occurs, the behaviour depends on the setting:
1388 -- - Silent: no action
1389 -- - Warning: issue a warning, does not cause the tool to fail
1390 -- - Error: issue an error, causes the tool to fail
1392 type Error_Handler is access procedure
1393 (Project : Project_Id;
1394 Is_Warning : Boolean);
1395 -- This warngs when an error was found when parsing a project. The error
1396 -- itself is handled through Prj.Err (and Prj.Err.Finalize should be called
1397 -- to actually print the error). This ensures that duplicate error messages
1398 -- are always correctly removed, that errors msgs are sorted, and that all
1399 -- tools will report the same error to the user.
1401 function Create_Flags
1402 (Report_Error : Error_Handler;
1403 When_No_Sources : Error_Warning;
1404 Require_Sources_Other_Lang : Boolean := True;
1405 Allow_Duplicate_Basenames : Boolean := True;
1406 Compiler_Driver_Mandatory : Boolean := False;
1407 Error_On_Unknown_Language : Boolean := True;
1408 Require_Obj_Dirs : Error_Warning := Error)
1409 return Processing_Flags;
1410 -- Function used to create Processing_Flags structure
1412 -- If Allow_Duplicate_Basenames, then files with the same base names are
1413 -- authorized within a project for source-based languages (never for unit
1414 -- based languages).
1416 -- If Compiler_Driver_Mandatory is true, then a Compiler.Driver attribute
1417 -- for each language must be defined, or we will not look for its source
1420 -- When_No_Sources indicates what should be done when no sources of a
1421 -- language are found in a project where this language is declared.
1422 -- If Require_Sources_Other_Lang is true, then all languages must have at
1423 -- least one source file, or an error is reported via When_No_Sources. If
1424 -- it is false, this is only required for Ada (and only if it is a language
1425 -- of the project). When this parameter is set to False, we do not check
1426 -- that a proper naming scheme is defined for languages other than Ada.
1428 -- If Report_Error is null, use the standard error reporting mechanism
1429 -- (Errout). Otherwise, report errors using Report_Error.
1431 -- If Error_On_Unknown_Language is true, an error is displayed if some of
1432 -- the source files listed in the project do not match any naming scheme
1434 -- If Require_Obj_Dirs is true, then all object directories must exist
1435 -- (possibly after they have been created automatically if the appropriate
1436 -- switches were specified), or an error is raised.
1438 Gprbuild_Flags : constant Processing_Flags;
1439 Gprclean_Flags : constant Processing_Flags;
1440 Gnatmake_Flags : constant Processing_Flags;
1441 -- Flags used by the various tools. They all display the error messages
1448 procedure Record_Temp_File
1449 (Tree : Project_Tree_Ref;
1450 Path : Path_Name_Type);
1451 -- Record the path of a newly created temporary file, so that it can be
1454 procedure Delete_All_Temp_Files (Tree : Project_Tree_Ref);
1455 -- Delete all recorded temporary files.
1456 -- Does nothing if Debug.Debug_Flag_N is set
1458 procedure Delete_Temporary_File
1459 (Tree : Project_Tree_Ref;
1460 Path : Path_Name_Type);
1461 -- Delete a temporary file from the disk. The file is also removed from the
1462 -- list of temporary files to delete at the end of the program, in case
1463 -- another program running on the same machine has recreated it.
1464 -- Does nothing if Debug.Debug_Flag_N is set
1468 All_Packages : constant String_List_Access := null;
1470 No_Project_Tree : constant Project_Tree_Ref := null;
1472 Ignored : constant Variable_Kind := Single;
1474 Nil_Variable_Value : constant Variable_Value :=
1475 (Project => No_Project,
1477 Location => No_Location,
1480 Virtual_Prefix : constant String := "v$";
1481 -- The prefix for virtual extending projects. Because of the '$', which is
1482 -- normally forbidden for project names, there cannot be any name clash.
1484 type Source_Iterator is record
1485 In_Tree : Project_Tree_Ref;
1487 Project : Project_List;
1488 All_Projects : Boolean;
1489 -- Current project and whether we should move on to the next
1491 Language : Language_Ptr;
1492 -- Current language processed
1494 Language_Name : Name_Id;
1495 -- Only sources of this language will be returned (or all if No_Name)
1497 Current : Source_Id;
1500 procedure Add_To_Buffer
1502 To : in out String_Access;
1503 Last : in out Natural);
1504 -- Append a String to the Buffer
1506 package Temp_Files_Table is new GNAT.Dynamic_Tables
1507 (Table_Component_Type => Path_Name_Type,
1508 Table_Index_Type => Integer,
1509 Table_Low_Bound => 1,
1510 Table_Initial => 10,
1511 Table_Increment => 10);
1512 -- Table to store the path name of all the created temporary files, so that
1513 -- they can be deleted at the end, or when the program is interrupted.
1515 type Private_Project_Tree_Data is record
1516 Temp_Files : Temp_Files_Table.Instance;
1517 -- Temporary files created as part of running tools (pragma files,
1518 -- mapping files,...)
1520 Current_Source_Path_File : Path_Name_Type := No_Path;
1521 -- Current value of project source path file env var. Used to avoid
1522 -- setting the env var to the same value. When different from No_Path,
1523 -- this indicates that logical names (VMS) or environment variables were
1524 -- created and should be deassigned to avoid polluting the environment
1528 Current_Object_Path_File : Path_Name_Type := No_Path;
1529 -- Current value of project object path file env var. Used to avoid
1530 -- setting the env var to the same value.
1534 -- Type to represent the part of a project tree which is private to the
1537 type Processing_Flags is record
1538 Require_Sources_Other_Lang : Boolean;
1539 Report_Error : Error_Handler;
1540 When_No_Sources : Error_Warning;
1541 Allow_Duplicate_Basenames : Boolean;
1542 Compiler_Driver_Mandatory : Boolean;
1543 Error_On_Unknown_Language : Boolean;
1544 Require_Obj_Dirs : Error_Warning;
1547 Gprbuild_Flags : constant Processing_Flags :=
1548 (Report_Error => null,
1549 When_No_Sources => Warning,
1550 Require_Sources_Other_Lang => True,
1551 Allow_Duplicate_Basenames => False,
1552 Compiler_Driver_Mandatory => True,
1553 Error_On_Unknown_Language => True,
1554 Require_Obj_Dirs => Error);
1556 Gprclean_Flags : constant Processing_Flags :=
1557 (Report_Error => null,
1558 When_No_Sources => Warning,
1559 Require_Sources_Other_Lang => True,
1560 Allow_Duplicate_Basenames => False,
1561 Compiler_Driver_Mandatory => True,
1562 Error_On_Unknown_Language => True,
1563 Require_Obj_Dirs => Warning);
1565 Gnatmake_Flags : constant Processing_Flags :=
1566 (Report_Error => null,
1567 When_No_Sources => Error,
1568 Require_Sources_Other_Lang => False,
1569 Allow_Duplicate_Basenames => False,
1570 Compiler_Driver_Mandatory => False,
1571 Error_On_Unknown_Language => False,
1572 Require_Obj_Dirs => Error);