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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P R J --
-- --
-- S p e c --
-- --
-- Copyright (C) 2001-2005, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- The following package declares the data types for GNAT project.
-- These data types may be used by GNAT Project-aware tools.
-- Children of these package implements various services on these data types.
-- See in particular Prj.Pars and Prj.Env.
with Casing; use Casing;
with Scans; use Scans;
with Table;
with Types; use Types;
with GNAT.Dynamic_HTables; use GNAT.Dynamic_HTables;
with GNAT.Dynamic_Tables;
with GNAT.OS_Lib; use GNAT.OS_Lib;
with System.HTable;
package Prj is
All_Packages : constant String_List_Access;
-- Default value of parameter Packages of procedures Parse, in Prj.Pars and
-- Prj.Part, indicating that all packages should be checked.
type Project_Tree_Data;
type Project_Tree_Ref is access all Project_Tree_Data;
-- Reference to a project tree.
-- Several project trees may exist in memory at the same time.
No_Project_Tree : constant Project_Tree_Ref;
function Default_Ada_Spec_Suffix return Name_Id;
pragma Inline (Default_Ada_Spec_Suffix);
-- The Name_Id for the standard GNAT suffix for Ada spec source file
-- name ".ads". Initialized by Prj.Initialize.
function Default_Ada_Body_Suffix return Name_Id;
pragma Inline (Default_Ada_Body_Suffix);
-- The Name_Id for the standard GNAT suffix for Ada body source file
-- name ".adb". Initialized by Prj.Initialize.
function Slash return Name_Id;
pragma Inline (Slash);
-- "/", used as the path of locally removed files
Project_File_Extension : String := ".gpr";
-- The standard project file name extension. It is not a constant, because
-- Canonical_Case_File_Name is called on this variable in the body of Prj.
type Error_Warning is (Silent, Warning, Error);
-- Severity of some situations, such as: no Ada sources in a project where
-- Ada is one of the language.
--
-- When the situation occurs, the behaviour depends on the setting:
--
-- - Silent: no action
-- - Warning: issue a warning, does not cause the tool to fail
-- - Error: issue an error, causes the tool to fail
-----------------------------------------------------
-- Multi-language Stuff That Will be Modified Soon --
-----------------------------------------------------
-- Still should be properly commented ???
type Language_Index is new Nat;
No_Language_Index : constant Language_Index := 0;
First_Language_Index : constant Language_Index := 1;
First_Language_Indexes_Last : constant Language_Index := 5;
Ada_Language_Index : constant Language_Index :=
First_Language_Index;
C_Language_Index : constant Language_Index :=
Ada_Language_Index + 1;
C_Plus_Plus_Language_Index : constant Language_Index :=
C_Language_Index + 1;
Last_Language_Index : Language_Index := No_Language_Index;
subtype First_Language_Indexes is Language_Index
range First_Language_Index .. First_Language_Indexes_Last;
type Header_Num is range 0 .. 2047;
function Hash is new System.HTable.Hash (Header_Num => Header_Num);
function Hash (Name : Name_Id) return Header_Num;
package Language_Indexes is new System.HTable.Simple_HTable
(Header_Num => Header_Num,
Element => Language_Index,
No_Element => No_Language_Index,
Key => Name_Id,
Hash => Hash,
Equal => "=");
-- Mapping of language names to language indexes
package Language_Names is new Table.Table
(Table_Component_Type => Name_Id,
Table_Index_Type => Language_Index,
Table_Low_Bound => 1,
Table_Initial => 4,
Table_Increment => 100,
Table_Name => "Prj.Language_Names");
-- The table for the name of programming languages
procedure Add_Language_Name (Name : Name_Id);
procedure Display_Language_Name (Language : Language_Index);
type Languages_In_Project is array (First_Language_Indexes) of Boolean;
-- Set of supported languages used in a project
No_Languages : constant Languages_In_Project := (others => False);
-- No supported languages are used
type Supp_Language_Index is new Nat;
No_Supp_Language_Index : constant Supp_Language_Index := 0;
type Supp_Language is record
Index : Language_Index := No_Language_Index;
Present : Boolean := False;
Next : Supp_Language_Index := No_Supp_Language_Index;
end record;
package Present_Language_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Supp_Language,
Table_Index_Type => Supp_Language_Index,
Table_Low_Bound => 1,
Table_Initial => 4,
Table_Increment => 100);
-- The table for the presence of languages with an index that is outside
-- of First_Language_Indexes.
type Impl_Suffix_Array is array (First_Language_Indexes) of Name_Id;
-- Suffixes for the non spec sources of the different supported languages
-- in a project.
No_Impl_Suffixes : constant Impl_Suffix_Array := (others => No_Name);
-- A default value for the non spec source suffixes
type Supp_Suffix is record
Index : Language_Index := No_Language_Index;
Suffix : Name_Id := No_Name;
Next : Supp_Language_Index := No_Supp_Language_Index;
end record;
package Supp_Suffix_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Supp_Suffix,
Table_Index_Type => Supp_Language_Index,
Table_Low_Bound => 1,
Table_Initial => 4,
Table_Increment => 100);
-- The table for the presence of languages with an index that is outside
-- of First_Language_Indexes.
type Language_Kind is (GNU, other);
type Name_List_Index is new Nat;
No_Name_List : constant Name_List_Index := 0;
type Name_Node is record
Name : Name_Id := No_Name;
Next : Name_List_Index := No_Name_List;
end record;
package Name_List_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Name_Node,
Table_Index_Type => Name_List_Index,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100);
-- The table for lists of names used in package Language_Processing
type Language_Processing_Data is record
Compiler_Drivers : Name_List_Index := No_Name_List;
Compiler_Paths : Name_Id := No_Name;
Compiler_Kinds : Language_Kind := GNU;
Dependency_Options : Name_List_Index := No_Name_List;
Compute_Dependencies : Name_List_Index := No_Name_List;
Include_Options : Name_List_Index := No_Name_List;
Binder_Drivers : Name_Id := No_Name;
Binder_Driver_Paths : Name_Id := No_Name;
end record;
Default_Language_Processing_Data :
constant Language_Processing_Data :=
(Compiler_Drivers => No_Name_List,
Compiler_Paths => No_Name,
Compiler_Kinds => GNU,
Dependency_Options => No_Name_List,
Compute_Dependencies => No_Name_List,
Include_Options => No_Name_List,
Binder_Drivers => No_Name,
Binder_Driver_Paths => No_Name);
type First_Language_Processing_Data is
array (First_Language_Indexes) of Language_Processing_Data;
Default_First_Language_Processing_Data :
constant First_Language_Processing_Data :=
(others => Default_Language_Processing_Data);
type Supp_Language_Data is record
Index : Language_Index := No_Language_Index;
Data : Language_Processing_Data := Default_Language_Processing_Data;
Next : Supp_Language_Index := No_Supp_Language_Index;
end record;
package Supp_Language_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Supp_Language_Data,
Table_Index_Type => Supp_Language_Index,
Table_Low_Bound => 1,
Table_Initial => 4,
Table_Increment => 100);
-- The table for language data when there are more languages than
-- in First_Language_Indexes.
type Other_Source_Id is new Nat;
No_Other_Source : constant Other_Source_Id := 0;
type Other_Source is record
Language : Language_Index; -- language of the source
File_Name : Name_Id; -- source file simple name
Path_Name : Name_Id; -- source full path name
Source_TS : Time_Stamp_Type; -- source file time stamp
Object_Name : Name_Id; -- object file simple name
Object_Path : Name_Id; -- object full path name
Object_TS : Time_Stamp_Type; -- object file time stamp
Dep_Name : Name_Id; -- dependency file simple name
Dep_Path : Name_Id; -- dependency full path name
Dep_TS : Time_Stamp_Type; -- dependency file time stamp
Naming_Exception : Boolean := False; -- True if a naming exception
Next : Other_Source_Id := No_Other_Source;
end record;
-- Data for a source in a language other than Ada
package Other_Source_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Other_Source,
Table_Index_Type => Other_Source_Id,
Table_Low_Bound => 1,
Table_Initial => 200,
Table_Increment => 100);
-- The table for sources of languages other than Ada
----------------------------------
-- End of multi-language stuff --
----------------------------------
type Verbosity is (Default, Medium, High);
-- Verbosity when parsing GNAT Project Files
-- Default is default (very quiet, if no errors).
-- Medium is more verbose.
-- High is extremely verbose.
Current_Verbosity : Verbosity := Default;
-- The current value of the verbosity the project files are parsed with
type Lib_Kind is (Static, Dynamic, Relocatable);
type Policy is (Autonomous, Compliant, Controlled, Restricted);
-- Type to specify the symbol policy, when symbol control is supported.
-- See full explanation about this type in package Symbols.
-- Autonomous: Create a symbol file without considering any reference
-- Compliant: Try to be as compatible as possible with an existing ref
-- Controlled: Fail if symbols are not the same as those in the reference
-- Restricted: Restrict the symbols to those in the symbol file
type Symbol_Record is record
Symbol_File : Name_Id := No_Name;
Reference : Name_Id := No_Name;
Symbol_Policy : Policy := Autonomous;
end record;
-- Type to keep the symbol data to be used when building a shared library
No_Symbols : constant Symbol_Record :=
(Symbol_File => No_Name,
Reference => No_Name,
Symbol_Policy => Autonomous);
-- The default value of the symbol data
function Empty_String return Name_Id;
-- Return the Name_Id for an empty string ""
type Project_Id is new Nat;
No_Project : constant Project_Id := 0;
-- Id of a Project File
type String_List_Id is new Nat;
Nil_String : constant String_List_Id := 0;
type String_Element is record
Value : Name_Id := No_Name;
Index : Int := 0;
Display_Value : Name_Id := No_Name;
Location : Source_Ptr := No_Location;
Flag : Boolean := False;
Next : String_List_Id := Nil_String;
end record;
-- To hold values for string list variables and array elements.
-- Component Flag may be used for various purposes. For source
-- directories, it indicates if the directory contains Ada source(s).
package String_Element_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => String_Element,
Table_Index_Type => String_List_Id,
Table_Low_Bound => 1,
Table_Initial => 200,
Table_Increment => 100);
-- The table for string elements in string lists
type Variable_Kind is (Undefined, List, Single);
-- Different kinds of variables
subtype Defined_Variable_Kind is Variable_Kind range List .. Single;
-- The defined kinds of variables
Ignored : constant Variable_Kind;
-- Used to indicate that a package declaration must be ignored
-- while processing the project tree (unknown package name).
type Variable_Value (Kind : Variable_Kind := Undefined) is record
Project : Project_Id := No_Project;
Location : Source_Ptr := No_Location;
Default : Boolean := False;
case Kind is
when Undefined =>
null;
when List =>
Values : String_List_Id := Nil_String;
when Single =>
Value : Name_Id := No_Name;
Index : Int := 0;
end case;
end record;
-- Values for variables and array elements. Default is True if the
-- current value is the default one for the variable
Nil_Variable_Value : constant Variable_Value;
-- Value of a non existing variable or array element
type Variable_Id is new Nat;
No_Variable : constant Variable_Id := 0;
type Variable is record
Next : Variable_Id := No_Variable;
Name : Name_Id;
Value : Variable_Value;
end record;
-- To hold the list of variables in a project file and in packages
package Variable_Element_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Variable,
Table_Index_Type => Variable_Id,
Table_Low_Bound => 1,
Table_Initial => 200,
Table_Increment => 100);
-- The table of variable in list of variables
type Array_Element_Id is new Nat;
No_Array_Element : constant Array_Element_Id := 0;
type Array_Element is record
Index : Name_Id;
Src_Index : Int := 0;
Index_Case_Sensitive : Boolean := True;
Value : Variable_Value;
Next : Array_Element_Id := No_Array_Element;
end record;
-- Each Array_Element represents an array element and is linked (Next)
-- to the next array element, if any, in the array.
package Array_Element_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Array_Element,
Table_Index_Type => Array_Element_Id,
Table_Low_Bound => 1,
Table_Initial => 200,
Table_Increment => 100);
-- The table that contains all array elements
type Array_Id is new Nat;
No_Array : constant Array_Id := 0;
type Array_Data is record
Name : Name_Id := No_Name;
Value : Array_Element_Id := No_Array_Element;
Next : Array_Id := No_Array;
end record;
-- Each Array_Data value represents an array.
-- Value is the id of the first element.
-- Next is the id of the next array in the project file or package.
package Array_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Array_Data,
Table_Index_Type => Array_Id,
Table_Low_Bound => 1,
Table_Initial => 200,
Table_Increment => 100);
-- The table that contains all arrays
type Package_Id is new Nat;
No_Package : constant Package_Id := 0;
type Declarations is record
Variables : Variable_Id := No_Variable;
Attributes : Variable_Id := No_Variable;
Arrays : Array_Id := No_Array;
Packages : Package_Id := No_Package;
end record;
-- Contains the declarations (variables, single and array attributes,
-- packages) for a project or a package in a project.
No_Declarations : constant Declarations :=
(Variables => No_Variable,
Attributes => No_Variable,
Arrays => No_Array,
Packages => No_Package);
-- Default value of Declarations: indicates that there is no declarations
type Package_Element is record
Name : Name_Id := No_Name;
Decl : Declarations := No_Declarations;
Parent : Package_Id := No_Package;
Next : Package_Id := No_Package;
end record;
-- A package (includes declarations that may include other packages)
package Package_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Package_Element,
Table_Index_Type => Package_Id,
Table_Low_Bound => 1,
Table_Initial => 100,
Table_Increment => 100);
-- The table that contains all packages
function Image (Casing : Casing_Type) return String;
-- Similar to 'Image (but avoid use of this attribute in compiler)
function Value (Image : String) return Casing_Type;
-- Similar to 'Value (but avoid use of this attribute in compiler)
-- Raises Constraint_Error if not a Casing_Type image.
-- The following record contains data for a naming scheme
type Naming_Data is record
Dot_Replacement : Name_Id := No_Name;
-- The string to replace '.' in the source file name (for Ada)
Dot_Repl_Loc : Source_Ptr := No_Location;
-- The position in the project file source where Dot_Replacement is
-- defined.
Casing : Casing_Type := All_Lower_Case;
-- The casing of the source file name (for Ada)
Spec_Suffix : Array_Element_Id := No_Array_Element;
-- The string to append to the unit name for the
-- source file name of a spec.
-- Indexed by the programming language.
Ada_Spec_Suffix : Name_Id := No_Name;
-- The suffix of the Ada spec sources
Spec_Suffix_Loc : Source_Ptr := No_Location;
-- The position in the project file source where
-- Ada_Spec_Suffix is defined.
Impl_Suffixes : Impl_Suffix_Array := No_Impl_Suffixes;
Supp_Suffixes : Supp_Language_Index := No_Supp_Language_Index;
-- The source suffixes of the different languages
Body_Suffix : Array_Element_Id := No_Array_Element;
-- The string to append to the unit name for the
-- source file name of a body.
-- Indexed by the programming language.
Ada_Body_Suffix : Name_Id := No_Name;
-- The suffix of the Ada body sources
Body_Suffix_Loc : Source_Ptr := No_Location;
-- The position in the project file source where
-- Ada_Body_Suffix is defined.
Separate_Suffix : Name_Id := No_Name;
-- String to append to unit name for source file name of an Ada subunit
Sep_Suffix_Loc : Source_Ptr := No_Location;
-- Position in the project file source where Separate_Suffix is defined
Specs : Array_Element_Id := No_Array_Element;
-- An associative array mapping individual specs to source file names
-- This is specific to Ada.
Bodies : Array_Element_Id := No_Array_Element;
-- An associative array mapping individual bodies to source file names
-- This is specific to Ada.
Specification_Exceptions : Array_Element_Id := No_Array_Element;
-- An associative array listing spec file names that do not have the
-- spec suffix. Not used by Ada. Indexed by programming language name.
Implementation_Exceptions : Array_Element_Id := No_Array_Element;
-- An associative array listing body file names that do not have the
-- body suffix. Not used by Ada. Indexed by programming language name.
end record;
function Standard_Naming_Data
(Tree : Project_Tree_Ref := No_Project_Tree) return Naming_Data;
pragma Inline (Standard_Naming_Data);
-- The standard GNAT naming scheme when Tree is No_Project_Tree.
-- Otherwise, return the default naming scheme for the project tree Tree,
-- which must have been Initialized.
function Same_Naming_Scheme
(Left, Right : Naming_Data) return Boolean;
-- Returns True if Left and Right are the same naming scheme
-- not considering Specs and Bodies.
type Project_List is new Nat;
Empty_Project_List : constant Project_List := 0;
-- A list of project files
type Project_Element is record
Project : Project_Id := No_Project;
Next : Project_List := Empty_Project_List;
end record;
-- Element in a list of project files. Next is the id of the next
-- project file in the list.
package Project_List_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Project_Element,
Table_Index_Type => Project_List,
Table_Low_Bound => 1,
Table_Initial => 100,
Table_Increment => 100);
-- The table that contains the lists of project files
-- The following record describes a project file representation
type Project_Data is record
Externally_Built : Boolean := False;
Languages : Languages_In_Project := No_Languages;
Supp_Languages : Supp_Language_Index := No_Supp_Language_Index;
-- Indicate the different languages of the source of this project
First_Referred_By : Project_Id := No_Project;
-- The project, if any, that was the first to be known as importing or
-- extending this project. Set by Prj.Proc.Process.
Name : Name_Id := No_Name;
-- The name of the project. Set by Prj.Proc.Process
Display_Name : Name_Id := No_Name;
-- The name of the project with the spelling of its declaration.
-- Set by Prj.Proc.Process.
Path_Name : Name_Id := No_Name;
-- The path name of the project file. Set by Prj.Proc.Process
Display_Path_Name : Name_Id := No_Name;
-- The path name used for display purposes. May be different from
-- Path_Name for platforms where the file names are case-insensitive.
Virtual : Boolean := False;
-- True for virtual extending projects
Location : Source_Ptr := No_Location;
-- The location in the project file source of the reserved word
-- project. Set by Prj.Proc.Process.
Mains : String_List_Id := Nil_String;
-- List of mains specified by attribute Main. Set by Prj.Nmsc.Check
Directory : Name_Id := No_Name;
-- Directory where the project file resides. Set by Prj.Proc.Process
Display_Directory : Name_Id := No_Name;
-- comment ???
Dir_Path : String_Access;
-- Same as Directory, but as an access to String. Set by
-- Make.Compile_Sources.Collect_Arguments_And_Compile.
Library : Boolean := False;
-- True if this is a library project. Set by
-- Prj.Nmsc.Language_Independent_Check.
Library_Dir : Name_Id := No_Name;
-- If a library project, directory where resides the library Set by
-- Prj.Nmsc.Language_Independent_Check.
Display_Library_Dir : Name_Id := No_Name;
-- The name of the library directory, for display purposes. May be
-- different from Library_Dir for platforms where the file names are
-- case-insensitive.
Library_TS : Time_Stamp_Type := Empty_Time_Stamp;
-- The timestamp of a library file in a library project.
-- Set by MLib.Prj.Check_Library.
Library_Src_Dir : Name_Id := No_Name;
-- If a Stand-Alone Library project, directory where the sources
-- of the interfaces of the library are copied. By default, if
-- attribute Library_Src_Dir is not specified, sources of the interfaces
-- are not copied anywhere. Set by Prj.Nmsc.Check_Stand_Alone_Library.
Display_Library_Src_Dir : Name_Id := No_Name;
-- The name of the library source directory, for display purposes.
-- May be different from Library_Src_Dir for platforms where the file
-- names are case-insensitive.
Library_ALI_Dir : Name_Id := No_Name;
-- In a library project, directory where the ALI files are copied.
-- If attribute Library_ALI_Dir is not specified, ALI files are
-- copied in the Library_Dir. Set by Prj.Nmsc.Check_Library_Attributes.
Display_Library_ALI_Dir : Name_Id := No_Name;
-- The name of the library ALI directory, for display purposes. May be
-- different from Library_ALI_Dir for platforms where the file names are
-- case-insensitive.
Library_Name : Name_Id := No_Name;
-- If a library project, name of the library
-- Set by Prj.Nmsc.Language_Independent_Check.
Library_Kind : Lib_Kind := Static;
-- If a library project, kind of library
-- Set by Prj.Nmsc.Language_Independent_Check.
Lib_Internal_Name : Name_Id := No_Name;
-- If a library project, internal name store inside the library Set by
-- Prj.Nmsc.Language_Independent_Check.
Standalone_Library : Boolean := False;
-- Indicate that this is a Standalone Library Project File. Set by
-- Prj.Nmsc.Check.
Lib_Interface_ALIs : String_List_Id := Nil_String;
-- For Standalone Library Project Files, indicate the list of Interface
-- ALI files. Set by Prj.Nmsc.Check.
Lib_Auto_Init : Boolean := False;
-- For non static Standalone Library Project Files, indicate if
-- the library initialisation should be automatic.
Symbol_Data : Symbol_Record := No_Symbols;
-- Symbol file name, reference symbol file name, symbol policy
Ada_Sources_Present : Boolean := True;
-- A flag that indicates if there are Ada sources in this project file.
-- There are no sources if any of the following is true:
-- 1) Source_Dirs is specified as an empty list
-- 2) Source_Files is specified as an empty list
-- 3) Ada is not in the list of the specified Languages
Other_Sources_Present : Boolean := True;
-- A flag that indicates that there are non-Ada sources in this project
Sources : String_List_Id := Nil_String;
-- The list of all the source file names.
-- Set by Prj.Nmsc.Check_Ada_Naming_Scheme.
First_Other_Source : Other_Source_Id := No_Other_Source;
Last_Other_Source : Other_Source_Id := No_Other_Source;
-- Head and tail of the list of sources of languages other than Ada
Imported_Directories_Switches : Argument_List_Access := null;
-- List of the -I switches to be used when compiling sources of
-- languages other than Ada.
Include_Path : String_Access := null;
-- Value to be used as CPATH, when using a GCC, instead of a list of
-- -I switches.
Include_Data_Set : Boolean := False;
-- Set True when Imported_Directories_Switches or Include_Path are set
Source_Dirs : String_List_Id := Nil_String;
-- The list of all the source directories.
-- Set by Prj.Nmsc.Language_Independent_Check.
Known_Order_Of_Source_Dirs : Boolean := True;
-- False, if there is any /** in the Source_Dirs, because in this case
-- the ordering of the source subdirs depend on the OS. If True,
-- duplicate file names in the same project file are allowed.
Object_Directory : Name_Id := No_Name;
-- The object directory of this project file.
-- Set by Prj.Nmsc.Language_Independent_Check.
Display_Object_Dir : Name_Id := No_Name;
-- The name of the object directory, for display purposes.
-- May be different from Object_Directory for platforms where the file
-- names are case-insensitive.
Exec_Directory : Name_Id := No_Name;
-- The exec directory of this project file. Default is equal to
-- Object_Directory. Set by Prj.Nmsc.Language_Independent_Check.
Display_Exec_Dir : Name_Id := No_Name;
-- The name of the exec directory, for display purposes. May be
-- different from Exec_Directory for platforms where the file names are
-- case-insensitive.
Extends : Project_Id := No_Project;
-- The reference of the project file, if any, that this project file
-- extends. Set by Prj.Proc.Process.
Extended_By : Project_Id := No_Project;
-- The reference of the project file, if any, that extends this project
-- file. Set by Prj.Proc.Process.
Naming : Naming_Data := Standard_Naming_Data;
-- The naming scheme of this project file.
-- Set by Prj.Nmsc.Check_Naming_Scheme.
First_Language_Processing : First_Language_Processing_Data :=
Default_First_Language_Processing_Data;
-- Comment needed ???
Supp_Language_Processing : Supp_Language_Index := No_Supp_Language_Index;
-- Comment needed
Default_Linker : Name_Id := No_Name;
Default_Linker_Path : Name_Id := No_Name;
Decl : Declarations := No_Declarations;
-- The declarations (variables, attributes and packages) of this
-- project file. Set by Prj.Proc.Process.
Imported_Projects : Project_List := Empty_Project_List;
-- The list of all directly imported projects, if any. Set by
-- Prj.Proc.Process.
All_Imported_Projects : Project_List := Empty_Project_List;
-- The list of all projects imported directly or indirectly, if any.
-- Set by Make.Initialize.
Ada_Include_Path : String_Access := null;
-- The cached value of ADA_INCLUDE_PATH for this project file. Do not
-- use this field directly outside of the compiler, use
-- Prj.Env.Ada_Include_Path instead. Set by Prj.Env.Ada_Include_Path.
Ada_Objects_Path : String_Access := null;
-- The cached value of ADA_OBJECTS_PATH for this project file. Do not
-- use this field directly outside of the compiler, use
-- Prj.Env.Ada_Objects_Path instead. Set by Prj.Env.Ada_Objects_Path
Include_Path_File : Name_Id := No_Name;
-- The cached value of the source path temp file for this project file.
-- Set by gnatmake (Prj.Env.Set_Ada_Paths).
Objects_Path_File_With_Libs : Name_Id := No_Name;
-- The cached value of the object path temp file (including library
-- dirs) for this project file. Set by gnatmake (Prj.Env.Set_Ada_Paths).
Objects_Path_File_Without_Libs : Name_Id := No_Name;
-- The cached value of the object path temp file (excluding library
-- dirs) for this project file. Set by gnatmake (Prj.Env.Set_Ada_Paths).
Config_File_Name : Name_Id := No_Name;
-- The name of the configuration pragmas file, if any.
-- Set by gnatmake (Prj.Env.Create_Config_Pragmas_File).
Config_File_Temp : Boolean := False;
-- An indication that the configuration pragmas file is
-- a temporary file that must be deleted at the end.
-- Set by gnatmake (Prj.Env.Create_Config_Pragmas_File).
Config_Checked : Boolean := False;
-- A flag to avoid checking repetitively the configuration pragmas file.
-- Set by gnatmake (Prj.Env.Create_Config_Pragmas_File).
Language_Independent_Checked : Boolean := False;
-- A flag that indicates that the project file has been checked
-- for language independent features: Object_Directory,
-- Source_Directories, Library, non empty Naming Suffixes.
Checked : Boolean := False;
-- A flag to avoid checking repetitively the naming scheme of
-- this project file. Set by Prj.Nmsc.Check_Ada_Naming_Scheme.
Seen : Boolean := False;
-- A flag to mark a project as "visited" to avoid processing the same
-- project several time.
Need_To_Build_Lib : Boolean := False;
-- Indicates that the library of a Library Project needs to be built or
-- rebuilt.
Depth : Natural := 0;
-- The maximum depth of a project in the project graph.
-- Depth of main project is 0.
Unkept_Comments : Boolean := False;
-- True if there are comments in the project sources that cannot
-- be kept in the project tree.
end record;
function Empty_Project (Tree : Project_Tree_Ref) return Project_Data;
-- Return the representation of an empty project in project Tree tree.
-- The project tree Tree must have been Initialized and/or Reset.
Project_Error : exception;
-- Raised by some subprograms in Prj.Attr
package Project_Table is new GNAT.Dynamic_Tables (
Table_Component_Type => Project_Data,
Table_Index_Type => Project_Id,
Table_Low_Bound => 1,
Table_Initial => 100,
Table_Increment => 100);
-- The set of all project files
type Spec_Or_Body is
(Specification, Body_Part);
type File_Name_Data is record
Name : Name_Id := No_Name;
Index : Int := 0;
Display_Name : Name_Id := No_Name;
Path : Name_Id := No_Name;
Display_Path : Name_Id := No_Name;
Project : Project_Id := No_Project;
Needs_Pragma : Boolean := False;
end record;
-- File and Path name of a spec or body
type File_Names_Data is array (Spec_Or_Body) of File_Name_Data;
type Unit_Id is new Nat;
No_Unit : constant Unit_Id := 0;
type Unit_Data is record
Name : Name_Id := No_Name;
File_Names : File_Names_Data;
end record;
-- Name and File and Path names of a unit, with a reference to its
-- GNAT Project File(s).
package Unit_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Unit_Data,
Table_Index_Type => Unit_Id,
Table_Low_Bound => 1,
Table_Initial => 100,
Table_Increment => 100);
-- Table of all units in a project tree
package Units_Htable is new Simple_HTable
(Header_Num => Header_Num,
Element => Unit_Id,
No_Element => No_Unit,
Key => Name_Id,
Hash => Hash,
Equal => "=");
-- Mapping of unit names to indexes in the Units table
type Unit_Project is record
Unit : Unit_Id := No_Unit;
Project : Project_Id := No_Project;
end record;
No_Unit_Project : constant Unit_Project := (No_Unit, No_Project);
package Files_Htable is new Simple_HTable
(Header_Num => Header_Num,
Element => Unit_Project,
No_Element => No_Unit_Project,
Key => Name_Id,
Hash => Hash,
Equal => "=");
-- Mapping of file names to indexes in the Units table
type Private_Project_Tree_Data is private;
-- Data for a project tree that is used only by the Project Manager
type Project_Tree_Data is
record
Present_Languages : Present_Language_Table.Instance;
Supp_Suffixes : Supp_Suffix_Table.Instance;
Name_Lists : Name_List_Table.Instance;
Supp_Languages : Supp_Language_Table.Instance;
Other_Sources : Other_Source_Table.Instance;
String_Elements : String_Element_Table.Instance;
Variable_Elements : Variable_Element_Table.Instance;
Array_Elements : Array_Element_Table.Instance;
Arrays : Array_Table.Instance;
Packages : Package_Table.Instance;
Project_Lists : Project_List_Table.Instance;
Projects : Project_Table.Instance;
Units : Unit_Table.Instance;
Units_HT : Units_Htable.Instance;
Files_HT : Files_Htable.Instance;
Private_Part : Private_Project_Tree_Data;
end record;
-- Data for a project tree
type Put_Line_Access is access procedure
(Line : String;
Project : Project_Id;
In_Tree : Project_Tree_Ref);
-- Use to customize error reporting in Prj.Proc and Prj.Nmsc
procedure Expect (The_Token : Token_Type; Token_Image : String);
-- Check that the current token is The_Token. If it is not, then
-- output an error message.
procedure Initialize (Tree : Project_Tree_Ref);
-- This procedure must be called before using any services from the Prj
-- hierarchy. Namet.Initialize must be called before Prj.Initialize.
procedure Reset (Tree : Project_Tree_Ref);
-- This procedure resets all the tables that are used when processing a
-- project file tree. Initialize must be called before the call to Reset.
procedure Register_Default_Naming_Scheme
(Language : Name_Id;
Default_Spec_Suffix : Name_Id;
Default_Body_Suffix : Name_Id;
In_Tree : Project_Tree_Ref);
-- Register the default suffixes for a given language. These extensions
-- will be ignored if the user has specified a new naming scheme in a
-- project file.
--
-- Otherwise, this information will be automatically added to Naming_Data
-- when a project is processed, in the lists Spec_Suffix and Body_Suffix.
generic
type State is limited private;
with procedure Action
(Project : Project_Id;
With_State : in out State);
procedure For_Every_Project_Imported
(By : Project_Id;
In_Tree : Project_Tree_Ref;
With_State : in out State);
-- Call Action for each project imported directly or indirectly by project
-- By. Action is called according to the order of importation: if A
-- imports B, directly or indirectly, Action will be called for A before
-- it is called for B. If two projects import each other directly or
-- indirectly (using at least one "limited with"), it is not specified
-- for which of these two projects Action will be called first. Projects
-- that are extended by other projects are not considered. With_State may
-- be used by Action to choose a behavior or to report some global result.
----------------------------------------------------------
-- Other multi-language stuff that may be modified soon --
----------------------------------------------------------
function Is_Present
(Language : Language_Index;
In_Project : Project_Data;
In_Tree : Project_Tree_Ref) return Boolean;
-- Return True when Language is one of the languages used in
-- project In_Project.
procedure Set
(Language : Language_Index;
Present : Boolean;
In_Project : in out Project_Data;
In_Tree : Project_Tree_Ref);
-- Indicate if Language is or not a language used in project In_Project
function Language_Processing_Data_Of
(Language : Language_Index;
In_Project : Project_Data;
In_Tree : Project_Tree_Ref) return Language_Processing_Data;
-- Return the Language_Processing_Data for language Language in project
-- In_Project. Return the default when no Language_Processing_Data are
-- defined for the language.
procedure Set
(Language_Processing : Language_Processing_Data;
For_Language : Language_Index;
In_Project : in out Project_Data;
In_Tree : Project_Tree_Ref);
-- Set the Language_Processing_Data for language Language in project
-- In_Project.
function Suffix_Of
(Language : Language_Index;
In_Project : Project_Data;
In_Tree : Project_Tree_Ref) return Name_Id;
-- Return the suffix for language Language in project In_Project. Return
-- No_Name when no suffix is defined for the language.
procedure Set
(Suffix : Name_Id;
For_Language : Language_Index;
In_Project : in out Project_Data;
In_Tree : Project_Tree_Ref);
-- Set the suffix for language Language in project In_Project
private
All_Packages : constant String_List_Access := null;
No_Project_Tree : constant Project_Tree_Ref := null;
Ignored : constant Variable_Kind := Single;
Nil_Variable_Value : constant Variable_Value :=
(Project => No_Project,
Kind => Undefined,
Location => No_Location,
Default => False);
Virtual_Prefix : constant String := "v$";
-- The prefix for virtual extending projects. Because of the '$', which is
-- normally forbidden for project names, there cannot be any name clash.
Empty_Name : Name_Id;
-- Name_Id for an empty name (no characters). Initialized by the call
-- to procedure Initialize.
procedure Add_To_Buffer
(S : String;
To : in out String_Access;
Last : in out Natural);
-- Append a String to the Buffer
type Naming_Id is new Nat;
package Naming_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Naming_Data,
Table_Index_Type => Naming_Id,
Table_Low_Bound => 1,
Table_Initial => 5,
Table_Increment => 100);
-- Comment ???
package Path_File_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Name_Id,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 50,
Table_Increment => 50);
-- Table storing all the temp path file names.
-- Used by Delete_All_Path_Files.
package Source_Path_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Name_Id,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 50,
Table_Increment => 50);
-- A table to store the source dirs before creating the source path file
package Object_Path_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Name_Id,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 50,
Table_Increment => 50);
-- A table to store the object dirs, before creating the object path file
type Private_Project_Tree_Data is record
Namings : Naming_Table.Instance;
Path_Files : Path_File_Table.Instance;
Source_Paths : Source_Path_Table.Instance;
Object_Paths : Object_Path_Table.Instance;
Default_Naming : Naming_Data;
end record;
-- Comment ???
end Prj;