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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J -- -- -- -- S p e c -- -- -- -- Copyright (C) 2001-2009, 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 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 Project_Qualifier is (Unspecified, Standard, Library, Configuration, Dry, Aggregate, Aggregate_Library); -- Qualifiers that can prefix the reserved word "project" in a project -- file: -- Standard: standard project ... -- Library: library project is ... -- Dry: abstract project is -- Aggregate: aggregate project is -- Aggregate_Library: aggregate library project is ... -- Configuration: configuration project is ... All_Packages : constant String_List_Access; -- Default value of parameter Packages of procedures Parse, in Prj.Pars and -- Prj.Part, indicating that all packages should be checked. type Project_Tree_Data; type Project_Tree_Ref is access all Project_Tree_Data; -- Reference to a project tree. Several project trees may exist in memory -- at the same time. No_Project_Tree : constant Project_Tree_Ref; 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 "" 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; 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: indicates that there is no declarations type Package_Element is record Name : Name_Id := No_Name; Decl : Declarations := No_Declarations; Parent : Package_Id := No_Package; Next : Package_Id := No_Package; end record; -- A package (includes declarations that may include other packages) package Package_Table is new GNAT.Dynamic_Tables (Table_Component_Type => Package_Element, Table_Index_Type => Package_Id, Table_Low_Bound => 1, Table_Initial => 100, Table_Increment => 100); -- The table that contains all packages 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 Dependency_File_Kind is (None, Makefile, ALI_File); -- Type of dependency to be checked: no dependency file, Makefile fragment -- or ALI file (for Ada). 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, indicates its body; -- for a body, indicates its spec. No_Source : constant Source_Id := null; type Path_Syntax_Kind is (Canonical, -- Unix style Host); -- Host specific syntax, for example on VMS (the default) -- The following record describes the configuration of a language type Language_Config is record Kind : Language_Kind := File_Based; -- Kind of language. All languages are file based, except Ada which is -- 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, for example -- on VMS for DEC C). 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", ""). 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 in 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; -- Indicate 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 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, Object_File_Suffix => No_Name, Object_File_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); -- The following record ??? type Language_Data is record Name : Name_Id := No_Name; Display_Name : Name_Id := No_Name; Config : Language_Config := No_Language_Config; First_Source : Source_Id := No_Source; Mapping_Files : Mapping_Files_Htable.Instance := Mapping_Files_Htable.Nil; Next : Language_Ptr := No_Language_Index; 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 -- Structure to define source data type Source_Data is record Project : Project_Id := No_Project; -- Project of the source 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; -- Index of the language. This is an index into -- Project_Tree.Languages_Data. 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 Locally_Removed : Boolean := False; -- True if the source has been "excluded" Replaced_By : Source_Id := No_Source; -- Missing comment ??? 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 : Boolean := False; -- True if the source has an exceptional name Next_In_Lang : Source_Id := No_Source; -- Link to another source of the same language in the same project end record; No_Source_Data : constant Source_Data := (Project => No_Project, 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, 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 => False, Next_In_Lang => No_Source); 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 package Unit_Sources_Htable is new Simple_HTable (Header_Num => Header_Num, Element => Source_Id, No_Element => No_Source, Key => Name_Id, Hash => Hash, Equal => "="); type Verbosity is (Default, Medium, High); -- Verbosity when parsing GNAT Project Files -- Default is default (very quiet, if no errors). -- Medium is more verbose. -- High is extremely verbose. Current_Verbosity : Verbosity := Default; -- The current value of the verbosity the project files are parsed with type Lib_Kind is (Static, Dynamic, Relocatable); type Policy is (Autonomous, Compliant, Controlled, Restricted, 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 we have a a library project file and Including_Libraries is True then -- the library dir is returned instead of the object dir. -- If Only_If_Ada is True, then No_Name will be returned when the project -- doesn't Ada sources. procedure Compute_All_Imported_Projects (Tree : Project_Tree_Ref); -- For all projects in the tree, compute the list of the projects imported -- directly or indirectly by project 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; 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); -- 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 Minimum_Linker_Options : 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. 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. 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, Minimum_Linker_Options => 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, 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); -- The following record describes a project file representation -- Note that it is not specified if the path names of directories (source, -- object, library or exec directories) end with or without a directory -- separator. type Project_Data 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 Qualifier : Project_Qualifier := Unspecified; -- The eventual qualifier for this project 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 reserved word project --------------- -- Languages -- --------------- Languages : Language_Ptr := No_Language_Index; -- First index of the language data in the project. -- This is an index into the project_tree_data.languages_data. -- 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; -- The list of all directly imported projects, if any All_Imported_Projects : Project_List; -- 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. ------------- -- 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 : Boolean := False; -- Indicate that this is a Standalone Library Project File Lib_Interface_ALIs : String_List_Id := Nil_String; -- For Standalone Library Project Files, indicate the list of Interface -- ALI files. Lib_Auto_Init : Boolean := False; -- For non static Stand-Alone 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 Need_To_Build_Lib : Boolean := False; -- Indicates that 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. Do not -- use this field directly outside of the compiler, use -- Prj.Env.Ada_Objects_Path instead. 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; -- An indication that 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. end record; function Empty_Project 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 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) return Source_Iterator; -- Returns an iterator for all the sources of a project tree, or a specific -- project, or a specific language. 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) return Source_Id; -- Find the first source file with the given name either in the whole tree -- (if In_Imported_Only is False) or in the projects imported or extended -- by Project otherwise. In_Extended_Only implies In_Imported_Only, and -- will only look in Project and the projects it extends ----------------------- -- Project_Tree_Data -- ----------------------- type Private_Project_Tree_Data is private; -- Data for a project tree that is used only by the Project Manager type Project_Tree_Data is record 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; Projects : Project_List; Units_HT : Units_Htable.Instance; -- Unit name to Unit_Index (and from there so Source_Id) Source_Paths_HT : Source_Paths_Htable.Instance; -- Full path to Source_Id Private_Part : Private_Project_Tree_Data; end record; -- Data for a project tree 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 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; 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. 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 ----------- -- 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 warngs 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) 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. Gprbuild_Flags : constant Processing_Flags; Gprclean_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 (Tree : Project_Tree_Ref; 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 (Tree : Project_Tree_Ref); -- Delete all recorded temporary files. -- Does nothing if Debug.Debug_Flag_N is set procedure Delete_Temporary_File (Tree : Project_Tree_Ref; 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 private All_Packages : constant String_List_Access := null; No_Project_Tree : constant Project_Tree_Ref := null; Ignored : constant Variable_Kind := Single; Nil_Variable_Value : constant Variable_Value := (Project => No_Project, Kind => Undefined, Location => No_Location, Default => False); Virtual_Prefix : constant String := "v$"; -- The prefix for virtual extending projects. Because of the '$', which is -- normally forbidden for project names, there cannot be any name clash. 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; end record; procedure Add_To_Buffer (S : String; To : in out String_Access; Last : in out Natural); -- Append a String to the Buffer 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); -- Table 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. 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 logical names (VMS) or environment variables were -- created and should be deassigned to avoid polluting the environment -- on VMS. -- 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; -- Type to represent the part of a project tree which is private to the -- Project Manager. 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; 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); 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); 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); end Prj;