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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P R J --
-- --
-- S p e c --
-- --
-- Copyright (C) 2001-2014, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- 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 Namet; use Namet;
with Osint;
with Scans; use Scans;
with Types; use Types;
with GNAT.Dynamic_HTables; use GNAT.Dynamic_HTables;
with GNAT.Dynamic_Tables;
with GNAT.OS_Lib; use GNAT.OS_Lib;
package Prj is
procedure Add_Restricted_Language (Name : String);
-- Call by gprbuild for each language specify by switch
-- --restricted-to-languages=.
procedure Remove_All_Restricted_Languages;
-- Call by gprbuild in CodePeer mode to ignore switches
-- --restricted-to-languages=.
function Is_Allowed_Language (Name : Name_Id) return Boolean;
-- Returns True if --restricted-to-languages= is not used or if Name
-- is one of the restricted languages.
All_Other_Names : constant Name_Id := Names_High_Bound;
-- Name used to replace others as an index of an associative array
-- attribute in situations where this is allowed.
Subdirs : String_Ptr := null;
-- The value after the equal sign in switch --subdirs=...
-- Contains the relative subdirectory.
type Library_Support is (None, Static_Only, Full);
-- Support for Library Project File.
-- - None: Library Project Files are not supported at all
-- - Static_Only: Library Project Files are only supported for static
-- libraries.
-- - Full: Library Project Files are supported for static and dynamic
-- (shared) libraries.
type Yes_No_Unknown is (Yes, No, Unknown);
-- Tri-state to decide if -lgnarl is needed when linking
type Attribute_Default_Value is
(Read_Only_Value, -- For read only attributes (Name, Project_Dir)
Empty_Value, -- Empty string or empty string list
Dot_Value, -- "." or (".")
Object_Dir_Value, -- 'Object_Dir
Target_Value, -- 'Target (special rules)
Runtime_Value); -- 'Runtime (special rules)
-- Describe the default values of attributes that are referenced but not
-- declared.
pragma Warnings (Off);
type Project_Qualifier is
(Unspecified,
-- The following clash with Standard is OK, and justified by the context
-- which really wants to use the same set of qualifiers.
Standard,
Library,
Configuration,
Abstract_Project,
Aggregate,
Aggregate_Library);
pragma Warnings (On);
-- Qualifiers that can prefix the reserved word "project" in a project
-- file:
-- Standard: standard project ...
-- Library: library project is ...
-- Abstract_Project: abstract project is
-- Aggregate: aggregate project is
-- Aggregate_Library: aggregate library project is ...
-- Configuration: configuration project is ...
subtype Aggregate_Project is
Project_Qualifier range Aggregate .. Aggregate_Library;
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;
procedure Free (Tree : in out Project_Tree_Ref);
-- Free memory associated with the tree
Config_Project_File_Extension : String := ".cgpr";
Project_File_Extension : String := ".gpr";
-- The standard config and user project file name extensions. They are not
-- constants, because Canonical_Case_File_Name is called on these variables
-- in the body of Prj.
function Empty_File return File_Name_Type;
function Empty_String return Name_Id;
-- Return the id for an empty string ""
function Dot_String return Name_Id;
-- Return the id for "."
type Path_Information is record
Name : Path_Name_Type := No_Path;
Display_Name : Path_Name_Type := No_Path;
end record;
-- Directory names always end with a directory separator
No_Path_Information : constant Path_Information := (No_Path, No_Path);
type Project_Data;
type Project_Id is access all Project_Data;
No_Project : constant Project_Id := null;
-- 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;
Restricted : Boolean := False;
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;
Location : Source_Ptr := No_Location;
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: used if there are 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
type Language_Data;
type Language_Ptr is access all Language_Data;
-- Index of language data
No_Language_Index : constant Language_Ptr := null;
-- Constant indicating that there is no language data
function Get_Language_From_Name
(Project : Project_Id;
Name : String) return Language_Ptr;
-- Get a language from a project. This might return null if no such
-- language exists in the project
Max_Header_Num : constant := 6150;
type Header_Num is range 0 .. Max_Header_Num;
-- Size for hash table below. The upper bound is an arbitrary value, the
-- value here was chosen after testing to determine a good compromise
-- between speed of access and memory usage.
function Hash (Name : Name_Id) return Header_Num;
function Hash (Name : File_Name_Type) return Header_Num;
function Hash (Name : Path_Name_Type) return Header_Num;
function Hash (Project : Project_Id) return Header_Num;
-- Used for computing hash values for names put into hash tables
type Language_Kind is (File_Based, Unit_Based);
-- Type for the kind of language. All languages are file based, except Ada
-- which is unit based.
-- Type of dependency to be checked
type Dependency_File_Kind is
(None,
-- There is no dependency file, the source must always be recompiled
Makefile,
-- The dependency file is a Makefile fragment indicating all the files
-- the source depends on. If the object file or the dependency file is
-- more recent than any of these files, the source must be recompiled.
ALI_File,
-- The dependency file is an ALI file and the source must be recompiled
-- if the object or ALI file is more recent than any of the sources
-- listed in the D lines.
ALI_Closure);
-- The dependency file is an ALI file and the source must be recompiled
-- if the object or ALI file is more recent than any source in the full
-- closure.
Makefile_Dependency_Suffix : constant String := ".d";
ALI_Dependency_Suffix : constant String := ".ali";
Switches_Dependency_Suffix : constant String := ".cswi";
Binder_Exchange_Suffix : constant String := ".bexch";
-- Suffix for binder exchange files
Library_Exchange_Suffix : constant String := ".lexch";
-- Suffix for library exchange files
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
function Length
(Table : Name_List_Table.Instance;
List : Name_List_Index) return Natural;
-- Return the number of elements in specified list
type Number_List_Index is new Nat;
No_Number_List : constant Number_List_Index := 0;
type Number_Node is record
Number : Natural := 0;
Next : Number_List_Index := No_Number_List;
end record;
package Number_List_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Number_Node,
Table_Index_Type => Number_List_Index,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100);
-- The table for lists of numbers
package Mapping_Files_Htable is new Simple_HTable
(Header_Num => Header_Num,
Element => Path_Name_Type,
No_Element => No_Path,
Key => Path_Name_Type,
Hash => Hash,
Equal => "=");
-- A hash table to store the mapping files that are not used
-- The following record ???
type Lang_Naming_Data is record
Dot_Replacement : File_Name_Type := No_File;
-- The string to replace '.' in the source file name (for Ada)
Casing : Casing_Type := All_Lower_Case;
-- The casing of the source file name (for Ada)
Separate_Suffix : File_Name_Type := No_File;
-- String to append to unit name for source file name of an Ada subunit
Spec_Suffix : File_Name_Type := No_File;
-- The string to append to the unit name for the
-- source file name of a spec.
Body_Suffix : File_Name_Type := No_File;
-- The string to append to the unit name for the
-- source file name of a body.
end record;
No_Lang_Naming_Data : constant Lang_Naming_Data :=
(Dot_Replacement => No_File,
Casing => All_Lower_Case,
Separate_Suffix => No_File,
Spec_Suffix => No_File,
Body_Suffix => No_File);
function Is_Standard_GNAT_Naming (Naming : Lang_Naming_Data) return Boolean;
-- True if the naming scheme is GNAT's default naming scheme. This
-- is to take into account shortened names like "Ada." (a-), "System." (s-)
-- and so on.
type Source_Data;
type Source_Id is access all Source_Data;
function Is_Compilable (Source : Source_Id) return Boolean;
pragma Inline (Is_Compilable);
-- Return True if we know how to compile Source (i.e. if a compiler is
-- defined). This doesn't indicate whether the source should be compiled.
function Object_To_Global_Archive (Source : Source_Id) return Boolean;
pragma Inline (Object_To_Global_Archive);
-- Return True if the object file should be put in the global archive.
-- This is for Ada, when only the closure of a main needs to be
-- (re)compiled.
function Other_Part (Source : Source_Id) return Source_Id;
pragma Inline (Other_Part);
-- Source ID for the other part, if any: for a spec, returns its body;
-- for a body, returns its spec.
No_Source : constant Source_Id := null;
type Path_Syntax_Kind is
(Canonical, -- Unix style
Host); -- Host specific syntax
-- The following record describes the configuration of a language
type Language_Config is record
Kind : Language_Kind := File_Based;
-- Kind of language. Most languages are file based. A few, such as Ada,
-- are unit based.
Naming_Data : Lang_Naming_Data;
-- The naming data for the languages (prefixes, etc.)
Include_Compatible_Languages : Name_List_Index := No_Name_List;
-- List of languages that are "include compatible" with this language. A
-- language B (for example "C") is "include compatible" with a language
-- A (for example "C++") if it is expected that sources of language A
-- may "include" header files from language B.
Compiler_Driver : File_Name_Type := No_File;
-- The name of the executable for the compiler of the language
Compiler_Driver_Path : String_Access := null;
-- The path name of the executable for the compiler of the language
Compiler_Leading_Required_Switches : Name_List_Index := No_Name_List;
-- The list of initial switches that are required as a minimum to invoke
-- the compiler driver.
Compiler_Trailing_Required_Switches : Name_List_Index := No_Name_List;
-- The list of final switches that are required as a minimum to invoke
-- the compiler driver.
Multi_Unit_Switches : Name_List_Index := No_Name_List;
-- The switch(es) to indicate the index of a unit in a multi-source file
Multi_Unit_Object_Separator : Character := ' ';
-- The string separating the base name of a source from the index of the
-- unit in a multi-source file, in the object file name.
Path_Syntax : Path_Syntax_Kind := Host;
-- Value may be Canonical (Unix style) or Host (host syntax)
Source_File_Switches : Name_List_Index := No_Name_List;
-- Optional switches to be put before the source file. The source file
-- path name is appended to the last switch in the list.
-- Example: ("-i", "");
Object_File_Suffix : Name_Id := No_Name;
-- Optional alternate object file suffix
Object_File_Switches : Name_List_Index := No_Name_List;
-- Optional object file switches. When this is defined, the switches
-- are used to specify the object file. The object file name is appended
-- to the last switch in the list. Example: ("-o", "").
Object_Path_Switches : Name_List_Index := No_Name_List;
-- List of switches to specify to the compiler the path name of a
-- temporary file containing the list of object directories in the
-- correct order.
Compilation_PIC_Option : Name_List_Index := No_Name_List;
-- The option(s) to compile a source in Position Independent Code for
-- shared libraries. Specified in the configuration. When not specified,
-- there is no need for such switch.
Object_Generated : Boolean := True;
-- False if no object file is generated
Objects_Linked : Boolean := True;
-- False if object files are not use to link executables and build
-- libraries.
Runtime_Library_Dir : Name_Id := No_Name;
-- Path name of the runtime library directory, if any
Runtime_Source_Dir : Name_Id := No_Name;
-- Path name of the runtime source directory, if any
Mapping_File_Switches : Name_List_Index := No_Name_List;
-- The option(s) to provide a mapping file to the compiler. Specified in
-- the configuration. When value is No_Name_List, there is no mapping
-- file.
Mapping_Spec_Suffix : File_Name_Type := No_File;
-- Placeholder representing the spec suffix in a mapping file
Mapping_Body_Suffix : File_Name_Type := No_File;
-- Placeholder representing the body suffix in a mapping file
Config_File_Switches : Name_List_Index := No_Name_List;
-- The option(s) to provide a config file to the compiler. Specified in
-- the configuration. If value is No_Name_List there is no config file.
Dependency_Kind : Dependency_File_Kind := None;
-- The kind of dependency to be checked: none, Makefile fragment or
-- ALI file (for Ada).
Dependency_Option : Name_List_Index := No_Name_List;
-- The option(s) to be used to create the dependency file. When value is
-- No_Name_List, there is not such option(s).
Compute_Dependency : Name_List_Index := No_Name_List;
-- Hold the value of attribute Dependency_Driver, if declared for the
-- language.
Include_Option : Name_List_Index := No_Name_List;
-- Hold the value of attribute Include_Switches, if declared for the
-- language.
Include_Path : Name_Id := No_Name;
-- Name of environment variable declared by attribute Include_Path for
-- the language.
Include_Path_File : Name_Id := No_Name;
-- Name of environment variable declared by attribute Include_Path_File
-- for the language.
Objects_Path : Name_Id := No_Name;
-- Name of environment variable declared by attribute Objects_Path for
-- the language.
Objects_Path_File : Name_Id := No_Name;
-- Name of environment variable declared by attribute Objects_Path_File
-- for the language.
Config_Body : Name_Id := No_Name;
-- The template for a pragma Source_File_Name(_Project) for a specific
-- file name of a body.
Config_Body_Index : Name_Id := No_Name;
-- The template for a pragma Source_File_Name(_Project) for a specific
-- file name of a body in a multi-source file.
Config_Body_Pattern : Name_Id := No_Name;
-- The template for a pragma Source_File_Name(_Project) for a naming
-- body pattern.
Config_Spec : Name_Id := No_Name;
-- The template for a pragma Source_File_Name(_Project) for a specific
-- file name of a spec.
Config_Spec_Index : Name_Id := No_Name;
-- The template for a pragma Source_File_Name(_Project) for a specific
-- file name of a spec in a multi-source file.
Config_Spec_Pattern : Name_Id := No_Name;
-- The template for a pragma Source_File_Name(_Project) for a naming
-- spec pattern.
Config_File_Unique : Boolean := False;
-- True if the config file specified to the compiler needs to be unique.
-- If it is unique, then all config files are concatenated into a temp
-- config file.
Binder_Driver : File_Name_Type := No_File;
-- The name of the binder driver for the language, if any
Binder_Driver_Path : Path_Name_Type := No_Path;
-- The path name of the binder driver
Binder_Required_Switches : Name_List_Index := No_Name_List;
-- Hold the value of attribute Binder'Required_Switches for the language
Binder_Prefix : Name_Id := No_Name;
-- Hold the value of attribute Binder'Prefix for the language
Toolchain_Version : Name_Id := No_Name;
-- Hold the value of attribute Toolchain_Version for the language
Toolchain_Description : Name_Id := No_Name;
-- Hold the value of attribute Toolchain_Description for the language
Clean_Object_Artifacts : Name_List_Index := No_Name_List;
-- List of object artifact extensions to be deleted by gprclean
Clean_Source_Artifacts : Name_List_Index := No_Name_List;
-- List of source artifact extensions to be deleted by gprclean
end record;
No_Language_Config : constant Language_Config :=
(Kind => File_Based,
Naming_Data => No_Lang_Naming_Data,
Include_Compatible_Languages => No_Name_List,
Compiler_Driver => No_File,
Compiler_Driver_Path => null,
Compiler_Leading_Required_Switches
=> No_Name_List,
Compiler_Trailing_Required_Switches
=> No_Name_List,
Multi_Unit_Switches => No_Name_List,
Multi_Unit_Object_Separator => ' ',
Path_Syntax => Canonical,
Source_File_Switches => No_Name_List,
Object_File_Suffix => No_Name,
Object_File_Switches => No_Name_List,
Object_Path_Switches => No_Name_List,
Compilation_PIC_Option => No_Name_List,
Object_Generated => True,
Objects_Linked => True,
Runtime_Library_Dir => No_Name,
Runtime_Source_Dir => No_Name,
Mapping_File_Switches => No_Name_List,
Mapping_Spec_Suffix => No_File,
Mapping_Body_Suffix => No_File,
Config_File_Switches => No_Name_List,
Dependency_Kind => None,
Dependency_Option => No_Name_List,
Compute_Dependency => No_Name_List,
Include_Option => No_Name_List,
Include_Path => No_Name,
Include_Path_File => No_Name,
Objects_Path => No_Name,
Objects_Path_File => No_Name,
Config_Body => No_Name,
Config_Body_Index => No_Name,
Config_Body_Pattern => No_Name,
Config_Spec => No_Name,
Config_Spec_Index => No_Name,
Config_Spec_Pattern => No_Name,
Config_File_Unique => False,
Binder_Driver => No_File,
Binder_Driver_Path => No_Path,
Binder_Required_Switches => No_Name_List,
Binder_Prefix => No_Name,
Toolchain_Version => No_Name,
Toolchain_Description => No_Name,
Clean_Object_Artifacts => No_Name_List,
Clean_Source_Artifacts => No_Name_List);
type Language_Data is record
Name : Name_Id := No_Name;
-- The name of the language in lower case
Display_Name : Name_Id := No_Name;
-- The name of the language, as found in attribute Languages
Config : Language_Config := No_Language_Config;
-- Configuration of the language
First_Source : Source_Id := No_Source;
-- Head of the list of sources of the language in the project
Mapping_Files : Mapping_Files_Htable.Instance :=
Mapping_Files_Htable.Nil;
-- Hash table containing the mapping of the sources to their path names
Next : Language_Ptr := No_Language_Index;
-- Next language of the project
end record;
No_Language_Data : constant Language_Data :=
(Name => No_Name,
Display_Name => No_Name,
Config => No_Language_Config,
First_Source => No_Source,
Mapping_Files => Mapping_Files_Htable.Nil,
Next => No_Language_Index);
type Language_List_Element;
type Language_List is access all Language_List_Element;
type Language_List_Element is record
Language : Language_Ptr := No_Language_Index;
Next : Language_List;
end record;
type Source_Kind is (Spec, Impl, Sep);
subtype Spec_Or_Body is Source_Kind range Spec .. Impl;
-- The following declarations declare a structure used to store the Name
-- and File and Path names of a unit, with a reference to its GNAT Project
-- File(s). Some units might have neither Spec nor Impl when they were
-- created for a "separate".
type File_Names_Data is array (Spec_Or_Body) of Source_Id;
type Unit_Data is record
Name : Name_Id := No_Name;
File_Names : File_Names_Data;
end record;
type Unit_Index is access all Unit_Data;
No_Unit_Index : constant Unit_Index := null;
-- Used to indicate a null entry for no unit
type Source_Roots;
type Roots_Access is access Source_Roots;
type Source_Roots is record
Root : Source_Id;
Next : Roots_Access;
end record;
-- A list to store the roots associated with a main unit. These are the
-- files that need to linked along with the main (for instance a C file
-- corresponding to an Ada file). In general, these are dependencies that
-- cannot be computed automatically by the builder.
type Naming_Exception_Type is (No, Yes, Inherited);
-- Structure to define source data
type Source_Data is record
Initialized : Boolean := False;
-- Set to True when Source_Data is completely initialized
Project : Project_Id := No_Project;
-- Project of the source
Location : Source_Ptr := No_Location;
-- Location in the project file of the declaration of the source in
-- package Naming.
Source_Dir_Rank : Natural := 0;
-- The rank of the source directory in list declared with attribute
-- Source_Dirs. Two source files with the same name cannot appears in
-- different directory with the same rank. That can happen when the
-- recursive notation <dir>/** is used in attribute Source_Dirs.
Language : Language_Ptr := No_Language_Index;
-- Language of the source
In_Interfaces : Boolean := True;
-- False when the source is not included in interfaces, when attribute
-- Interfaces is declared.
Declared_In_Interfaces : Boolean := False;
-- True when source is declared in attribute Interfaces
Alternate_Languages : Language_List := null;
-- List of languages a header file may also be, in addition of language
-- Language_Name.
Kind : Source_Kind := Spec;
-- Kind of the source: spec, body or subunit
Unit : Unit_Index := No_Unit_Index;
-- Name of the unit, if language is unit based. This is only set for
-- those files that are part of the compilation set (for instance a
-- file in an extended project that is overridden will not have this
-- field set).
Index : Int := 0;
-- Index of the source in a multi unit source file (the same Source_Data
-- is duplicated several times when there are several units in the same
-- file). Index is 0 if there is either no unit or a single one, and
-- starts at 1 when there are multiple units
Compilable : Yes_No_Unknown := Unknown;
-- Updated at the first call to Is_Compilable. Yes if source file is
-- compilable.
In_The_Queue : Boolean := False;
-- True if the source has been put in the queue
Locally_Removed : Boolean := False;
-- True if the source has been "excluded"
Suppressed : Boolean := False;
-- True if the source is a locally removed direct source of the project.
-- These sources should not be put in the mapping file.
Replaced_By : Source_Id := No_Source;
-- Source in an extending project that replaces the current source
File : File_Name_Type := No_File;
-- Canonical file name of the source
Display_File : File_Name_Type := No_File;
-- File name of the source, for display purposes
Path : Path_Information := No_Path_Information;
-- Path name of the source
Source_TS : Time_Stamp_Type := Empty_Time_Stamp;
-- Time stamp of the source file
Object_Project : Project_Id := No_Project;
-- Project where the object file is. This might be different from
-- Project when using extending project files.
Object : File_Name_Type := No_File;
-- File name of the object file
Current_Object_Path : Path_Name_Type := No_Path;
-- Object path of an existing object file
Object_Path : Path_Name_Type := No_Path;
-- Object path of the real object file
Object_TS : Time_Stamp_Type := Empty_Time_Stamp;
-- Object file time stamp
Dep_Name : File_Name_Type := No_File;
-- Dependency file simple name
Current_Dep_Path : Path_Name_Type := No_Path;
-- Path name of an existing dependency file
Dep_Path : Path_Name_Type := No_Path;
-- Path name of the real dependency file
Dep_TS : aliased Osint.File_Attributes := Osint.Unknown_Attributes;
-- Dependency file time stamp
Switches : File_Name_Type := No_File;
-- File name of the switches file. For all languages, this is a file
-- that ends with the .cswi extension.
Switches_Path : Path_Name_Type := No_Path;
-- Path name of the switches file
Switches_TS : Time_Stamp_Type := Empty_Time_Stamp;
-- Switches file time stamp
Naming_Exception : Naming_Exception_Type := No;
-- True if the source has an exceptional name
Duplicate_Unit : Boolean := False;
-- True when a duplicate unit has been reported for this source
Next_In_Lang : Source_Id := No_Source;
-- Link to another source of the same language in the same project
Next_With_File_Name : Source_Id := No_Source;
-- Link to another source with the same base file name
Roots : Roots_Access := null;
-- The roots for a main unit
end record;
No_Source_Data : constant Source_Data :=
(Initialized => False,
Project => No_Project,
Location => No_Location,
Source_Dir_Rank => 0,
Language => No_Language_Index,
In_Interfaces => True,
Declared_In_Interfaces => False,
Alternate_Languages => null,
Kind => Spec,
Unit => No_Unit_Index,
Index => 0,
Locally_Removed => False,
Suppressed => False,
Compilable => Unknown,
In_The_Queue => False,
Replaced_By => No_Source,
File => No_File,
Display_File => No_File,
Path => No_Path_Information,
Source_TS => Empty_Time_Stamp,
Object_Project => No_Project,
Object => No_File,
Current_Object_Path => No_Path,
Object_Path => No_Path,
Object_TS => Empty_Time_Stamp,
Dep_Name => No_File,
Current_Dep_Path => No_Path,
Dep_Path => No_Path,
Dep_TS => Osint.Unknown_Attributes,
Switches => No_File,
Switches_Path => No_Path,
Switches_TS => Empty_Time_Stamp,
Naming_Exception => No,
Duplicate_Unit => False,
Next_In_Lang => No_Source,
Next_With_File_Name => No_Source,
Roots => null);
package Source_Files_Htable is new Simple_HTable
(Header_Num => Header_Num,
Element => Source_Id,
No_Element => No_Source,
Key => File_Name_Type,
Hash => Hash,
Equal => "=");
-- Mapping of source file names to source ids
package Source_Paths_Htable is new Simple_HTable
(Header_Num => Header_Num,
Element => Source_Id,
No_Element => No_Source,
Key => Path_Name_Type,
Hash => Hash,
Equal => "=");
-- Mapping of source paths to source ids
type Lib_Kind is (Static, Dynamic, Relocatable);
type Policy is (Autonomous, Compliant, Controlled, Restricted, Direct);
-- 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
-- Direct: The symbol file is used as is
type Symbol_Record is record
Symbol_File : Path_Name_Type := No_Path;
Reference : Path_Name_Type := No_Path;
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_Path,
Reference => No_Path,
Symbol_Policy => Autonomous);
-- The default value of the symbol data
function Image (The_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
function Get_Object_Directory
(Project : Project_Id;
Including_Libraries : Boolean;
Only_If_Ada : Boolean := False) return Path_Name_Type;
-- Return the object directory to use for the project. This depends on
-- whether we have a library project or a standard project. This function
-- might return No_Name when no directory applies. If the project is a
-- library project file and Including_Libraries is True then the library
-- ALI dir is returned instead of the object dir, except when there is no
-- ALI files in the Library ALI dir and the object directory exists. If
-- Only_If_Ada is True, then No_Name is returned when the project doesn't
-- include any Ada source.
procedure Compute_All_Imported_Projects
(Root_Project : Project_Id;
Tree : Project_Tree_Ref);
-- For all projects in the tree, compute the list of the projects imported
-- directly or indirectly by project Root_Project. The result is stored in
-- Project.All_Imported_Projects for each project
function Ultimate_Extending_Project_Of
(Proj : Project_Id) return Project_Id;
-- Returns the ultimate extending project of project Proj. If project Proj
-- is not extended, returns Proj.
type Project_List_Element;
type Project_List is access all Project_List_Element;
type Project_List_Element is record
Project : Project_Id := No_Project;
From_Encapsulated_Lib : Boolean := False;
Next : Project_List := null;
end record;
-- A list of projects
procedure Free_List
(List : in out Project_List;
Free_Project : Boolean);
-- Free the list of projects, if Free_Project, each project is also freed
type Response_File_Format is
(None,
GNU,
Object_List,
Option_List,
GCC,
GCC_GNU,
GCC_Object_List,
GCC_Option_List);
-- The format of the different response files
type Project_Configuration is record
Target : Name_Id := No_Name;
-- The target of the configuration, when specified
Run_Path_Option : Name_List_Index := No_Name_List;
-- The option to use when linking to specify the path where to look for
-- libraries.
Run_Path_Origin : Name_Id := No_Name;
-- Specify the string (such as "$ORIGIN") to indicate paths relative to
-- the directory of the executable in the run path option.
Library_Install_Name_Option : Name_Id := No_Name;
-- When this is not an empty list, this option, followed by the single
-- name of the shared library file is used when linking a shared
-- library.
Separate_Run_Path_Options : Boolean := False;
-- True if each directory needs to be specified in a separate run path
-- option.
Executable_Suffix : Name_Id := No_Name;
-- The suffix of executables, when specified in the configuration or in
-- package Builder of the main project. When this is not specified, the
-- executable suffix is the default for the platform.
-- Linking
Linker : Path_Name_Type := No_Path;
-- Path name of the linker driver. Specified in the configuration or in
-- the package Builder of the main project.
Map_File_Option : Name_Id := No_Name;
-- Option to use when invoking the linker to build a map file
Trailing_Linker_Required_Switches : Name_List_Index := No_Name_List;
-- The minimum options for the linker driver. Specified in the
-- configuration.
Linker_Executable_Option : Name_List_Index := No_Name_List;
-- The option(s) to indicate the name of the executable in the linker
-- command. Specified in the configuration. When not specified, default
-- to -o <executable name>.
Linker_Lib_Dir_Option : Name_Id := No_Name;
-- The option to specify where to find a library for linking. Specified
-- in the configuration. When not specified, defaults to "-L".
Linker_Lib_Name_Option : Name_Id := No_Name;
-- The option to specify the name of a library for linking. Specified in
-- the configuration. When not specified, defaults to "-l".
Max_Command_Line_Length : Natural := 0;
-- When positive and when Resp_File_Format (see below) is not None,
-- if the command line for the invocation of the linker would be greater
-- than this value, a response file is used to invoke the linker.
Resp_File_Format : Response_File_Format := None;
-- The format of a response file, when linking with a response file is
-- supported.
Resp_File_Options : Name_List_Index := No_Name_List;
-- The switches, if any, that precede the path name of the response
-- file in the invocation of the linker.
-- Libraries
Library_Builder : Path_Name_Type := No_Path;
-- The executable to build library (specified in the configuration)
Lib_Support : Library_Support := None;
-- The level of library support. Specified in the configuration. Support
-- is none, static libraries only or both static and shared libraries.
Lib_Encapsulated_Supported : Boolean := False;
-- True when building fully standalone libraries supported on the target
Archive_Builder : Name_List_Index := No_Name_List;
-- The name of the executable to build archives, with the minimum
-- switches. Specified in the configuration.
Archive_Builder_Append_Option : Name_List_Index := No_Name_List;
-- The options to append object files to an archive
Archive_Indexer : Name_List_Index := No_Name_List;
-- The name of the executable to index archives, with the minimum
-- switches. Specified in the configuration.
Archive_Suffix : File_Name_Type := No_File;
-- The suffix of archives. Specified in the configuration. When not
-- specified, defaults to ".a".
Lib_Partial_Linker : Name_List_Index := No_Name_List;
-- Shared libraries
Shared_Lib_Driver : File_Name_Type := No_File;
-- The driver to link shared libraries. Set with attribute Library_GCC.
-- Default to gcc.
Shared_Lib_Prefix : File_Name_Type := No_File;
-- Part of a shared library file name that precedes the name of the
-- library. Specified in the configuration. When not specified, defaults
-- to "lib".
Shared_Lib_Suffix : File_Name_Type := No_File;
-- Suffix of shared libraries, after the library name in the shared
-- library name. Specified in the configuration. When not specified,
-- default to ".so".
Shared_Lib_Min_Options : Name_List_Index := No_Name_List;
-- The minimum options to use when building a shared library
Lib_Version_Options : Name_List_Index := No_Name_List;
-- The options to use to specify a library version
Symbolic_Link_Supported : Boolean := False;
-- True if the platform supports symbolic link files
Lib_Maj_Min_Id_Supported : Boolean := False;
-- True if platform supports library major and minor options, such as
-- libname.so -> libname.so.2 -> libname.so.2.4
Auto_Init_Supported : Boolean := False;
-- True if automatic initialisation is supported for shared stand-alone
-- libraries.
-- Cleaning
Artifacts_In_Exec_Dir : Name_List_Index := No_Name_List;
-- List of regexp file names to be cleaned in the exec directory of the
-- main project.
Artifacts_In_Object_Dir : Name_List_Index := No_Name_List;
-- List of regexp file names to be cleaned in the object directory of
-- all projects.
end record;
Default_Project_Config : constant Project_Configuration :=
(Target => No_Name,
Run_Path_Option => No_Name_List,
Run_Path_Origin => No_Name,
Library_Install_Name_Option => No_Name,
Separate_Run_Path_Options => False,
Executable_Suffix => No_Name,
Linker => No_Path,
Map_File_Option => No_Name,
Trailing_Linker_Required_Switches =>
No_Name_List,
Linker_Executable_Option => No_Name_List,
Linker_Lib_Dir_Option => No_Name,
Linker_Lib_Name_Option => No_Name,
Library_Builder => No_Path,
Max_Command_Line_Length => 0,
Resp_File_Format => None,
Resp_File_Options => No_Name_List,
Lib_Support => None,
Lib_Encapsulated_Supported => False,
Archive_Builder => No_Name_List,
Archive_Builder_Append_Option => No_Name_List,
Archive_Indexer => No_Name_List,
Archive_Suffix => No_File,
Lib_Partial_Linker => No_Name_List,
Shared_Lib_Driver => No_File,
Shared_Lib_Prefix => No_File,
Shared_Lib_Suffix => No_File,
Shared_Lib_Min_Options => No_Name_List,
Lib_Version_Options => No_Name_List,
Symbolic_Link_Supported => False,
Lib_Maj_Min_Id_Supported => False,
Auto_Init_Supported => False,
Artifacts_In_Exec_Dir => No_Name_List,
Artifacts_In_Object_Dir => No_Name_List);
-------------------------
-- Aggregated projects --
-------------------------
type Aggregated_Project;
type Aggregated_Project_List is access all Aggregated_Project;
type Aggregated_Project is record
Path : Path_Name_Type;
Tree : Project_Tree_Ref;
Project : Project_Id;
Next : Aggregated_Project_List;
end record;
procedure Free (List : in out Aggregated_Project_List);
-- Free the memory used for List
procedure Add_Aggregated_Project
(Project : Project_Id;
Path : Path_Name_Type);
-- Add a new aggregated project in Project.
-- The aggregated project has not been processed yet. This procedure should
-- the called while processing the aggregate project, and as a result
-- Prj.Proc.Process will then automatically process the aggregated projects
------------------
-- Project_Data --
------------------
-- The following record describes a project file representation
pragma Warnings (Off);
type Standalone is
(No,
-- The following clash with Standard is OK, and justified by the context
-- which really wants to use the same set of qualifiers.
Standard,
Encapsulated);
pragma Warnings (On);
type Project_Data (Qualifier : Project_Qualifier := Unspecified) is record
-------------
-- General --
-------------
Name : Name_Id := No_Name;
-- The name of the project
Display_Name : Name_Id := No_Name;
-- The name of the project with the spelling of its declaration
Externally_Built : Boolean := False;
-- True if the project is externally built. In such case, the Project
-- Manager will not modify anything in this project.
Config : Project_Configuration;
Path : Path_Information := No_Path_Information;
-- The path name of the project file. This include base name of the
-- project file.
Virtual : Boolean := False;
-- True for virtual extending projects
Location : Source_Ptr := No_Location;
-- The location in the project file source of the project name that
-- immediately follows the reserved word "project".
---------------
-- Languages --
---------------
Languages : Language_Ptr := No_Language_Index;
-- First index of the language data in the project. Traversing the list
-- gives access to all the languages supported by the project.
--------------
-- Projects --
--------------
Mains : String_List_Id := Nil_String;
-- List of mains specified by attribute Main
Extends : Project_Id := No_Project;
-- The reference of the project file, if any, that this project file
-- extends.
Extended_By : Project_Id := No_Project;
-- The reference of the project file, if any, that extends this project
-- file.
Decl : Declarations := No_Declarations;
-- The declarations (variables, attributes and packages) of this project
-- file.
Imported_Projects : Project_List := null;
-- The list of all directly imported projects, if any
All_Imported_Projects : Project_List := null;
-- The list of all projects imported directly or indirectly, if any.
-- This does not include the project itself.
-----------------
-- Directories --
-----------------
Directory : Path_Information := No_Path_Information;
-- Path name of the directory where the project file resides
Object_Directory : Path_Information := No_Path_Information;
-- The path name of the object directory of this project file
Exec_Directory : Path_Information := No_Path_Information;
-- The path name of the exec directory of this project file. Default is
-- equal to Object_Directory.
Object_Path_File : Path_Name_Type := No_Path;
-- Store the name of the temporary file that contains the list of object
-- directories, when attribute Object_Path_Switches is declared.
-------------
-- Library --
-------------
Library : Boolean := False;
-- True if this is a library project
Library_Name : Name_Id := No_Name;
-- If a library project, name of the library
Library_Kind : Lib_Kind := Static;
-- If a library project, kind of library
Library_Dir : Path_Information := No_Path_Information;
-- If a library project, path name of the directory where the library
-- resides.
Library_TS : Time_Stamp_Type := Empty_Time_Stamp;
-- The timestamp of a library file in a library project
Library_Src_Dir : Path_Information := No_Path_Information;
-- If a Stand-Alone Library project, path name of the 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.
Library_ALI_Dir : Path_Information := No_Path_Information;
-- In a library project, path name of the directory where the ALI files
-- are copied. If attribute Library_ALI_Dir is not specified, ALI files
-- are copied in the Library_Dir.
Lib_Internal_Name : Name_Id := No_Name;
-- If a library project, internal name store inside the library
Standalone_Library : Standalone := No;
-- Indicate that this is a Standalone Library Project File
Lib_Interface_ALIs : String_List_Id := Nil_String;
-- For Standalone Library Project Files, list of Interface ALI files
Other_Interfaces : String_List_Id := Nil_String;
-- List of non unit based sources in attribute Interfaces
Lib_Auto_Init : Boolean := False;
-- For non static Stand-Alone Library Project Files, True if the library
-- initialisation should be automatic.
Symbol_Data : Symbol_Record := No_Symbols;
-- Symbol file name, reference symbol file name, symbol policy
Need_To_Build_Lib : Boolean := False;
-- True if the library of a Library Project needs to be built or rebuilt
-------------
-- Sources --
-------------
-- The sources for all languages including Ada are accessible through
-- the Source_Iterator type
Interfaces_Defined : Boolean := False;
-- True if attribute Interfaces is declared for the project or any
-- project it extends.
Include_Path_File : Path_Name_Type := No_Path;
-- The path name of the of the source search directory file.
-- This is only used by gnatmake
Source_Dirs : String_List_Id := Nil_String;
-- The list of all the source directories
Source_Dir_Ranks : Number_List_Index := No_Number_List;
Ada_Include_Path : String_Access := null;
-- The cached value of source search path for this project file. Set by
-- the first call to Prj.Env.Ada_Include_Path for the project. Do not
-- use this field directly outside of the project manager, use
-- Prj.Env.Ada_Include_Path instead.
Has_Multi_Unit_Sources : Boolean := False;
-- Whether there is at least one source file containing multiple units
-------------------
-- Miscellaneous --
-------------------
Ada_Objects_Path : String_Access := null;
-- The cached value of ADA_OBJECTS_PATH for this project file, with
-- library ALI directories for library projects instead of object
-- directories. Do not use this field directly outside of the
-- compiler, use Prj.Env.Ada_Objects_Path instead.
Ada_Objects_Path_No_Libs : String_Access := null;
-- The cached value of ADA_OBJECTS_PATH for this project file with all
-- object directories (no library ALI dir for library projects).
Libgnarl_Needed : Yes_No_Unknown := Unknown;
-- Set to True when libgnarl is needed to link
Objects_Path : String_Access := null;
-- The cached value of the object dir path, used during the binding
-- phase of gprbuild.
Objects_Path_File_With_Libs : Path_Name_Type := No_Path;
-- The cached value of the object path temp file (including library
-- dirs) for this project file.
Objects_Path_File_Without_Libs : Path_Name_Type := No_Path;
-- The cached value of the object path temp file (excluding library
-- dirs) for this project file.
Config_File_Name : Path_Name_Type := No_Path;
-- The path name of the configuration pragmas file, if any
Config_File_Temp : Boolean := False;
-- True if the configuration pragmas file is a temporary file that must
-- be deleted at the end.
Config_Checked : Boolean := False;
-- A flag to avoid checking repetitively the configuration pragmas file
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.
-----------------------------
-- Qualifier-Specific data --
-----------------------------
-- The following fields are only valid for specific types of projects
case Qualifier is
when Aggregate | Aggregate_Library =>
Aggregated_Projects : Aggregated_Project_List := null;
-- List of aggregated projects (which could themselves be
-- aggregate projects).
when others =>
null;
end case;
end record;
function Empty_Project (Qualifier : Project_Qualifier) return Project_Data;
-- Return the representation of an empty project
function Is_Extending
(Extending : Project_Id;
Extended : Project_Id) return Boolean;
-- Return True if Extending is extending the Extended project
function Is_Ext
(Extending : Project_Id;
Extended : Project_Id) return Boolean renames Is_Extending;
function Has_Ada_Sources (Data : Project_Id) return Boolean;
-- Return True if the project has Ada sources
Project_Error : exception;
-- Raised by some subprograms in Prj.Attr
package Units_Htable is new Simple_HTable
(Header_Num => Header_Num,
Element => Unit_Index,
No_Element => No_Unit_Index,
Key => Name_Id,
Hash => Hash,
Equal => "=");
-- Mapping of unit names to indexes in the Units table
---------------------
-- Source_Iterator --
---------------------
type Source_Iterator is private;
function For_Each_Source
(In_Tree : Project_Tree_Ref;
Project : Project_Id := No_Project;
Language : Name_Id := No_Name;
Encapsulated_Libs : Boolean := True;
Locally_Removed : Boolean := True) return Source_Iterator;
-- Returns an iterator for all the sources of a project tree, or a specific
-- project, or a specific language. Include sources from aggregated libs if
-- Aggregated_Libs is True. If Locally_Removed is set to False the
-- Locally_Removed files won't be reported.
function Element (Iter : Source_Iterator) return Source_Id;
-- Return the current source (or No_Source if there are no more sources)
procedure Next (Iter : in out Source_Iterator);
-- Move on to the next source
function Find_Source
(In_Tree : Project_Tree_Ref;
Project : Project_Id;
In_Imported_Only : Boolean := False;
In_Extended_Only : Boolean := False;
Base_Name : File_Name_Type;
Index : Int := 0) return Source_Id;
-- Find the first source file with the given name.
-- If In_Extended_Only is True, it will search in project and the project
-- it extends, but not in the imported projects.
-- Elsif In_Imported_Only is True, it will search in project and the
-- projects it imports, but not in the others or in aggregated projects.
-- Else it searches in the whole tree.
-- If Index is specified, this only search for a source with that index.
type Source_Ids is array (Positive range <>) of Source_Id;
No_Sources : constant Source_Ids := (1 .. 0 => No_Source);
function Find_All_Sources
(In_Tree : Project_Tree_Ref;
Project : Project_Id;
In_Imported_Only : Boolean := False;
In_Extended_Only : Boolean := False;
Base_Name : File_Name_Type;
Index : Int := 0) return Source_Ids;
-- Find all source files with the given name:
--
-- If In_Extended_Only is True, it will search in project and the project
-- it extends, but not in the imported projects.
--
-- If Extended_Only is False, and In_Imported_Only is True, it will
-- search in project and the projects it imports, but not in the others
-- or in aggregated projects.
--
-- If both Extended_Only and In_Imported_Only are False (the default)
-- then it searches the whole tree.
--
-- If Index is specified, this only search for sources with that index.
-----------------------
-- Project_Tree_Data --
-----------------------
package Replaced_Source_HTable is new Simple_HTable
(Header_Num => Header_Num,
Element => File_Name_Type,
No_Element => No_File,
Key => File_Name_Type,
Hash => Hash,
Equal => "=");
type Private_Project_Tree_Data is private;
-- Data for a project tree that is used only by the Project Manager
type Shared_Project_Tree_Data is record
Name_Lists : Name_List_Table.Instance;
Number_Lists : Number_List_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;
Private_Part : Private_Project_Tree_Data;
Dot_String_List : String_List_Id := Nil_String;
end record;
type Shared_Project_Tree_Data_Access is access all Shared_Project_Tree_Data;
-- The data that is shared among multiple trees, when these trees are
-- loaded through the same aggregate project.
-- To avoid ambiguities, limit the number of parameters to the
-- subprograms (we would have to parse the "root project tree" since this
-- is where the configuration file was loaded, in addition to the project's
-- own tree) and make the comparison of projects easier, all trees store
-- the lists in the same tables.
type Project_Tree_Appdata is tagged null record;
type Project_Tree_Appdata_Access is access all Project_Tree_Appdata'Class;
-- Application-specific data that can be associated with a project tree.
-- We do not make the Project_Tree_Data itself tagged for several reasons:
-- - it couldn't have a default value for its discriminant
-- - it would require a "factory" to allocate such data, because trees
-- are created automatically when parsing aggregate projects.
procedure Free (Tree : in out Project_Tree_Appdata);
-- Should be overridden if your derive your own data
type Project_Tree_Data (Is_Root_Tree : Boolean := True) is record
-- The root tree is the one loaded by the user from the command line.
-- Is_Root_Tree is only false for projects aggregated within a root
-- aggregate project.
Projects : Project_List;
-- List of projects in this tree
Replaced_Sources : Replaced_Source_HTable.Instance;
-- The list of sources that have been replaced by sources with
-- different file names.
Replaced_Source_Number : Natural := 0;
-- The number of entries in Replaced_Sources
Units_HT : Units_Htable.Instance;
-- Unit name to Unit_Index (and from there to Source_Id)
Source_Files_HT : Source_Files_Htable.Instance;
-- Base source file names to Source_Id list
Source_Paths_HT : Source_Paths_Htable.Instance;
-- Full path to Source_Id
-- ??? What is behavior for multi-unit source files, where there are
-- several source_id per file ?
Source_Info_File_Name : String_Access := null;
-- The name of the source info file, if specified by the builder
Source_Info_File_Exists : Boolean := False;
-- True when a source info file has been successfully read
Shared : Shared_Project_Tree_Data_Access;
-- The shared data for this tree and all aggregated trees
Appdata : Project_Tree_Appdata_Access;
-- Application-specific data for this tree
case Is_Root_Tree is
when True =>
Shared_Data : aliased Shared_Project_Tree_Data;
-- Do not access directly, only through Shared
when False =>
null;
end case;
end record;
-- Data for a project tree
function Debug_Name (Tree : Project_Tree_Ref) return Name_Id;
-- If debug traces are activated, return an identitier for the project
-- tree. This modifies Name_Buffer.
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.
package Project_Boolean_Htable is new Simple_HTable
(Header_Num => Header_Num,
Element => Boolean,
No_Element => False,
Key => Project_Id,
Hash => Hash,
Equal => "=");
-- A table that associates a project to a boolean. This is used to detect
-- whether a project was already processed for instance.
generic
with procedure Action (Project : Project_Id; Tree : Project_Tree_Ref);
procedure For_Project_And_Aggregated
(Root_Project : Project_Id;
Root_Tree : Project_Tree_Ref);
-- Execute Action for Root_Project and all its aggregated projects
-- recursively.
generic
type State is limited private;
with procedure Action
(Project : Project_Id;
Tree : Project_Tree_Ref;
With_State : in out State);
procedure For_Every_Project_Imported
(By : Project_Id;
Tree : Project_Tree_Ref;
With_State : in out State;
Include_Aggregated : Boolean := True;
Imported_First : Boolean := False);
-- Call Action for each project imported directly or indirectly by project
-- By, as well as extended projects.
--
-- The order of processing depends on Imported_First:
--
-- If False, 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.
--
-- The order is reversed if Imported_First is True
--
-- With_State may be used by Action to choose a behavior or to report some
-- global result.
--
-- If Include_Aggregated is True, then an aggregate project will recurse
-- into the projects it aggregates. Otherwise, the latter are never
-- returned.
--
-- In_Aggregate_Lib is True if the project is in an aggregate library
--
-- The Tree argument passed to the callback is required in the case of
-- aggregated projects, since they might not be using the same tree as 'By'
type Project_Context is record
In_Aggregate_Lib : Boolean;
-- True if the project is part of an aggregate library
From_Encapsulated_Lib : Boolean;
-- True if the project is imported from an encapsulated library
end record;
generic
type State is limited private;
with procedure Action
(Project : Project_Id;
Tree : Project_Tree_Ref;
Context : Project_Context;
With_State : in out State);
procedure For_Every_Project_Imported_Context
(By : Project_Id;
Tree : Project_Tree_Ref;
With_State : in out State;
Include_Aggregated : Boolean := True;
Imported_First : Boolean := False);
-- As for For_Every_Project_Imported but with an associated context
generic
with procedure Action
(Project : Project_Id;
Tree : Project_Tree_Ref;
Context : Project_Context);
procedure For_Project_And_Aggregated_Context
(Root_Project : Project_Id;
Root_Tree : Project_Tree_Ref);
-- As for For_Project_And_Aggregated but with an associated context
function Extend_Name
(File : File_Name_Type;
With_Suffix : String) return File_Name_Type;
-- Replace the extension of File with With_Suffix
function Object_Name
(Source_File_Name : File_Name_Type;
Object_File_Suffix : Name_Id := No_Name) return File_Name_Type;
-- Returns the object file name corresponding to a source file name
function Object_Name
(Source_File_Name : File_Name_Type;
Source_Index : Int;
Index_Separator : Character;
Object_File_Suffix : Name_Id := No_Name) return File_Name_Type;
-- Returns the object file name corresponding to a unit in a multi-source
-- file.
function Dependency_Name
(Source_File_Name : File_Name_Type;
Dependency : Dependency_File_Kind) return File_Name_Type;
-- Returns the dependency file name corresponding to a source file name
function Switches_Name
(Source_File_Name : File_Name_Type) return File_Name_Type;
-- Returns the switches file name corresponding to a source file name
procedure Set_Path_File_Var (Name : String; Value : String);
-- Call Setenv, after calling To_Host_File_Spec
function Current_Source_Path_File_Of
(Shared : Shared_Project_Tree_Data_Access) return Path_Name_Type;
-- Get the current include path file name
procedure Set_Current_Source_Path_File_Of
(Shared : Shared_Project_Tree_Data_Access;
To : Path_Name_Type);
-- Record the current include path file name
function Current_Object_Path_File_Of
(Shared : Shared_Project_Tree_Data_Access) return Path_Name_Type;
-- Get the current object path file name
procedure Set_Current_Object_Path_File_Of
(Shared : Shared_Project_Tree_Data_Access;
To : Path_Name_Type);
-- Record the current object path file name
-----------
-- Flags --
-----------
type Processing_Flags is private;
-- Flags used while parsing and processing a project tree to configure the
-- behavior of the parser, and indicate how to report error messages. This
-- structure does not allocate memory and never needs to be freed
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
type Error_Handler is access procedure
(Project : Project_Id;
Is_Warning : Boolean);
-- This warns when an error was found when parsing a project. The error
-- itself is handled through Prj.Err (and Prj.Err.Finalize should be called
-- to actually print the error). This ensures that duplicate error messages
-- are always correctly removed, that errors msgs are sorted, and that all
-- tools will report the same error to the user.
function Create_Flags
(Report_Error : Error_Handler;
When_No_Sources : Error_Warning;
Require_Sources_Other_Lang : Boolean := True;
Allow_Duplicate_Basenames : Boolean := True;
Compiler_Driver_Mandatory : Boolean := False;
Error_On_Unknown_Language : Boolean := True;
Require_Obj_Dirs : Error_Warning := Error;
Allow_Invalid_External : Error_Warning := Error;
Missing_Source_Files : Error_Warning := Error;
Ignore_Missing_With : Boolean := False)
return Processing_Flags;
-- Function used to create Processing_Flags structure
--
-- If Allow_Duplicate_Basenames, then files with the same base names are
-- authorized within a project for source-based languages (never for unit
-- based languages).
--
-- If Compiler_Driver_Mandatory is true, then a Compiler.Driver attribute
-- for each language must be defined, or we will not look for its source
-- files.
--
-- When_No_Sources indicates what should be done when no sources of a
-- language are found in a project where this language is declared.
-- If Require_Sources_Other_Lang is true, then all languages must have at
-- least one source file, or an error is reported via When_No_Sources. If
-- it is false, this is only required for Ada (and only if it is a language
-- of the project). When this parameter is set to False, we do not check
-- that a proper naming scheme is defined for languages other than Ada.
--
-- If Report_Error is null, use the standard error reporting mechanism
-- (Errout). Otherwise, report errors using Report_Error.
--
-- If Error_On_Unknown_Language is true, an error is displayed if some of
-- the source files listed in the project do not match any naming scheme
--
-- If Require_Obj_Dirs is true, then all object directories must exist
-- (possibly after they have been created automatically if the appropriate
-- switches were specified), or an error is raised.
--
-- If Allow_Invalid_External is Silent, then no error is reported when an
-- invalid value is used for an external variable (and it doesn't match its
-- type). Instead, the first possible value is used.
--
-- Missing_Source_Files indicates whether it is an error or a warning that
-- a source file mentioned in the Source_Files attributes is not actually
-- found in the source directories. This also impacts errors for missing
-- source directories.
--
-- If Ignore_Missing_With is True, then a "with" statement that cannot be
-- resolved will simply be ignored. However, in such a case, the flag
-- Incomplete_With in the project tree will be set to True.
-- This is meant for use by tools so that they can properly set the
-- project path in such a case:
-- * no "gnatls" found (so no default project path)
-- * user project sets Project.IDE'gnatls attribute to a cross gnatls
-- * user project also includes a "with" that can only be resolved
-- once we have found the gnatls
procedure Set_Ignore_Missing_With
(Flags : in out Processing_Flags;
Value : Boolean);
-- Set the value of component Ignore_Missing_With in Flags to Value
Gprbuild_Flags : constant Processing_Flags;
Gprinstall_Flags : constant Processing_Flags;
Gprclean_Flags : constant Processing_Flags;
Gprexec_Flags : constant Processing_Flags;
Gnatmake_Flags : constant Processing_Flags;
-- Flags used by the various tools. They all display the error messages
-- through Prj.Err.
----------------
-- Temp Files --
----------------
procedure Record_Temp_File
(Shared : Shared_Project_Tree_Data_Access;
Path : Path_Name_Type);
-- Record the path of a newly created temporary file, so that it can be
-- deleted later.
procedure Delete_All_Temp_Files
(Shared : Shared_Project_Tree_Data_Access);
-- Delete all recorded temporary files.
-- Does nothing if Debug.Debug_Flag_N is set
procedure Delete_Temp_Config_Files (Project_Tree : Project_Tree_Ref);
-- Delete all temporary config files. Does nothing if Debug.Debug_Flag_N is
-- set or if Project_Tree is null. This initially came from gnatmake
-- ??? Should this be combined with Delete_All_Temp_Files above
procedure Delete_Temporary_File
(Shared : Shared_Project_Tree_Data_Access := null;
Path : Path_Name_Type);
-- Delete a temporary file from the disk. The file is also removed from the
-- list of temporary files to delete at the end of the program, in case
-- another program running on the same machine has recreated it. Does
-- nothing if Debug.Debug_Flag_N is set
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.
-----------
-- Debug --
-----------
type Verbosity is (Default, Medium, High);
pragma Ordered (Verbosity);
-- 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
procedure Debug_Indent;
-- Inserts a series of blanks depending on the current indentation level
procedure Debug_Output (Str : String);
procedure Debug_Output (Str : String; Str2 : Name_Id);
-- If Current_Verbosity is not Default, outputs Str.
-- This indents Str based on the current indentation level for traces
-- Debug_Error is intended to be used to report an error in the traces.
procedure Debug_Increase_Indent
(Str : String := ""; Str2 : Name_Id := No_Name);
procedure Debug_Decrease_Indent (Str : String := "");
-- Increase or decrease the indentation level for debug traces. This
-- indentation level only affects output done through Debug_Output.
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);
type Source_Iterator is record
In_Tree : Project_Tree_Ref;
Project : Project_List;
All_Projects : Boolean;
-- Current project and whether we should move on to the next
Language : Language_Ptr;
-- Current language processed
Language_Name : Name_Id;
-- Only sources of this language will be returned (or all if No_Name)
Current : Source_Id;
Encapsulated_Libs : Boolean;
-- True if we want to include the sources from encapsulated libs
Locally_Removed : Boolean;
end record;
procedure Add_To_Buffer
(S : String;
To : in out String_Access;
Last : in out Natural);
-- Append a String to the Buffer
-- Table used to store the path name of all the created temporary files, so
-- that they can be deleted at the end, or when the program is interrupted.
package Temp_Files_Table is new GNAT.Dynamic_Tables
(Table_Component_Type => Path_Name_Type,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 10);
-- The following type is used to represent the part of a project tree which
-- is private to the Project Manager.
type Private_Project_Tree_Data is record
Temp_Files : Temp_Files_Table.Instance;
-- Temporary files created as part of running tools (pragma files,
-- mapping files,...)
Current_Source_Path_File : Path_Name_Type := No_Path;
-- Current value of project source path file env var. Used to avoid
-- setting the env var to the same value. When different from No_Path,
-- this indicates that environment variables were created and should be
-- deassigned to avoid polluting the environment. For gnatmake only.
Current_Object_Path_File : Path_Name_Type := No_Path;
-- Current value of project object path file env var. Used to avoid
-- setting the env var to the same value.
-- gnatmake only
end record;
-- The following type is used to hold processing flags which show what
-- functions are required for the various tools that are handled.
type Processing_Flags is record
Require_Sources_Other_Lang : Boolean;
Report_Error : Error_Handler;
When_No_Sources : Error_Warning;
Allow_Duplicate_Basenames : Boolean;
Compiler_Driver_Mandatory : Boolean;
Error_On_Unknown_Language : Boolean;
Require_Obj_Dirs : Error_Warning;
Allow_Invalid_External : Error_Warning;
Missing_Source_Files : Error_Warning;
Ignore_Missing_With : Boolean;
Incomplete_Withs : Boolean := False;
-- This flag is set to True when the projects are parsed while ignoring
-- missing withed project and some withed projects are not found.
end record;
Gprbuild_Flags : constant Processing_Flags :=
(Report_Error => null,
When_No_Sources => Warning,
Require_Sources_Other_Lang => True,
Allow_Duplicate_Basenames => False,
Compiler_Driver_Mandatory => True,
Error_On_Unknown_Language => True,
Require_Obj_Dirs => Error,
Allow_Invalid_External => Error,
Missing_Source_Files => Error,
Ignore_Missing_With => False,
Incomplete_Withs => False);
Gprinstall_Flags : constant Processing_Flags :=
(Report_Error => null,
When_No_Sources => Warning,
Require_Sources_Other_Lang => True,
Allow_Duplicate_Basenames => False,
Compiler_Driver_Mandatory => True,
Error_On_Unknown_Language => True,
Require_Obj_Dirs => Silent,
Allow_Invalid_External => Error,
Missing_Source_Files => Error,
Ignore_Missing_With => False,
Incomplete_Withs => False);
Gprclean_Flags : constant Processing_Flags :=
(Report_Error => null,
When_No_Sources => Warning,
Require_Sources_Other_Lang => True,
Allow_Duplicate_Basenames => False,
Compiler_Driver_Mandatory => True,
Error_On_Unknown_Language => True,
Require_Obj_Dirs => Warning,
Allow_Invalid_External => Error,
Missing_Source_Files => Error,
Ignore_Missing_With => False,
Incomplete_Withs => False);
Gprexec_Flags : constant Processing_Flags :=
(Report_Error => null,
When_No_Sources => Silent,
Require_Sources_Other_Lang => False,
Allow_Duplicate_Basenames => False,
Compiler_Driver_Mandatory => False,
Error_On_Unknown_Language => True,
Require_Obj_Dirs => Silent,
Allow_Invalid_External => Error,
Missing_Source_Files => Silent,
Ignore_Missing_With => False,
Incomplete_Withs => False);
Gnatmake_Flags : constant Processing_Flags :=
(Report_Error => null,
When_No_Sources => Error,
Require_Sources_Other_Lang => False,
Allow_Duplicate_Basenames => False,
Compiler_Driver_Mandatory => False,
Error_On_Unknown_Language => False,
Require_Obj_Dirs => Error,
Allow_Invalid_External => Error,
Missing_Source_Files => Error,
Ignore_Missing_With => False,
Incomplete_Withs => False);
end Prj;
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