------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J -- -- -- -- S p e c -- -- -- -- Copyright (C) 2001-2004 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, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, 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.OS_Lib; use GNAT.OS_Lib; with System.HTable; use System.HTable; package Prj is Empty_Name : Name_Id; -- Name_Id for an empty name (no characters). Initialized by the call -- to procedure Initialize. All_Packages : constant String_List_Access := null; -- Default value of parameter Packages of procedures Parse, in Prj.Pars and -- Prj.Part, indicating that all packages should be checked. 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. 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. Default_Ada_Spec_Suffix : Name_Id; -- The Name_Id for the standard GNAT suffix for Ada spec source file -- name ".ads". Initialized by Prj.Initialize. Default_Ada_Body_Suffix : Name_Id; -- The Name_Id for the standard GNAT suffix for Ada body source file -- name ".adb". Initialized by Prj.Initialize. Slash : Name_Id; -- "/", used as the path of locally removed files 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_Languages is new Table.Table (Table_Component_Type => Supp_Language, Table_Index_Type => Supp_Language_Index, Table_Low_Bound => 1, Table_Initial => 4, Table_Increment => 100, Table_Name => "Prj.Present_Languages"); -- 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 Table.Table (Table_Component_Type => Supp_Suffix, Table_Index_Type => Supp_Language_Index, Table_Low_Bound => 1, Table_Initial => 4, Table_Increment => 100, Table_Name => "Prj.Supp_Suffix_Table"); -- 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_Lists is new Table.Table (Table_Component_Type => Name_Node, Table_Index_Type => Name_List_Index, Table_Low_Bound => 1, Table_Initial => 10, Table_Increment => 100, Table_Name => "Prj.Name_Lists"); -- 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 : 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_Languages is new Table.Table (Table_Component_Type => Supp_Language_Data, Table_Index_Type => Supp_Language_Index, Table_Low_Bound => 1, Table_Initial => 4, Table_Increment => 100, Table_Name => "Prj.Supp_Languages"); -- 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_Sources is new Table.Table (Table_Component_Type => Other_Source, Table_Index_Type => Other_Source_Id, Table_Low_Bound => 1, Table_Initial => 200, Table_Increment => 100, Table_Name => "Prj.Other_Sources"); -- The table for sources of languages other than Ada 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. 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 : 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_Elements is new Table.Table (Table_Component_Type => String_Element, Table_Index_Type => String_List_Id, Table_Low_Bound => 1, Table_Initial => 200, Table_Increment => 100, Table_Name => "Prj.String_Elements"); -- 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 := Single; -- 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 := (Project => No_Project, Kind => Undefined, Location => No_Location, Default => False); -- 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_Elements is new Table.Table (Table_Component_Type => Variable, Table_Index_Type => Variable_Id, Table_Low_Bound => 1, Table_Initial => 200, Table_Increment => 100, Table_Name => "Prj.Variable_Elements"); -- 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_Elements is new Table.Table (Table_Component_Type => Array_Element, Table_Index_Type => Array_Element_Id, Table_Low_Bound => 1, Table_Initial => 200, Table_Increment => 100, Table_Name => "Prj.Array_Elements"); -- 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 Arrays is new Table.Table (Table_Component_Type => Array_Data, Table_Index_Type => Array_Id, Table_Low_Bound => 1, Table_Initial => 200, Table_Increment => 100, Table_Name => "Prj.Arrays"); -- 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 Packages is new Table.Table (Table_Component_Type => Package_Element, Table_Index_Type => Package_Id, Table_Low_Bound => 1, Table_Initial => 100, Table_Increment => 100, Table_Name => "Prj.Packages"); -- 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 return Naming_Data; pragma Inline (Standard_Naming_Data); -- The standard GNAT naming scheme 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_Lists is new Table.Table (Table_Component_Type => Project_Element, Table_Index_Type => Project_List, Table_Low_Bound => 1, Table_Initial => 100, Table_Increment => 100, Table_Name => "Prj.Project_Lists"); -- 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. 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; 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_Src_Dir : Name_Id := No_Name; -- If a library project, directory where the sources and the ALI files -- of the library are copied. By default, if attribute Library_Src_Dir -- is not specified, sources are not copied anywhere and ALI files are -- copied in the Library Directory. -- Set by Prj.Nmsc.Language_Independent_Check. 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_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; Supp_Language_Processing : Supp_Language_Index := No_Supp_Language_Index; 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. 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 Is_Present (Language : Language_Index; In_Project : Project_Data) return Boolean; -- Return True when Language is one of the languages used in -- project Project. procedure Set (Language : Language_Index; Present : Boolean; In_Project : in out Project_Data); -- Indicate if Language is or not a language used in project Project function Language_Processing_Data_Of (Language : Language_Index; In_Project : Project_Data) 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); -- Set the Language_Processing_Data for language Language in project -- In_Project. function Suffix_Of (Language : Language_Index; In_Project : Project_Data) 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); -- Set the suffix for language Language in project In_Project Project_Error : exception; -- Raised by some subprograms in Prj.Attr. function Empty_Project return Project_Data; -- Return the representation of an empty project package Projects is new Table.Table ( Table_Component_Type => Project_Data, Table_Index_Type => Project_Id, Table_Low_Bound => 1, Table_Initial => 100, Table_Increment => 100, Table_Name => "Prj.Projects"); -- The set of all project files type Put_Line_Access is access procedure (Line : String; Project : Project_Id); -- 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; -- This procedure must be called before using any services from the Prj -- hierarchy. Namet.Initialize must be called before Prj.Initialize. procedure Reset; -- 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); -- 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; 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. With_State may be used by Action to choose a -- behavior or to report some global result. private Initial_Buffer_Size : constant := 100; -- Initial size for extensible buffer used below Buffer : String_Access := new String (1 .. Initial_Buffer_Size); -- An extensible character buffer to store names. Used in Prj.Part and -- Prj.Strt. Buffer_Last : Natural := 0; -- The index of the last character in the Buffer Current_Packages_To_Check : String_List_Access := All_Packages; -- Global variable, set by Prj.Part.Parse, used by Prj.Dect. procedure Add_To_Buffer (S : String); -- Append a String to the Buffer end Prj;