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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [ada/] [prj-conf.ads] - Rev 593
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J . C O N F -- -- -- -- S p e c -- -- -- -- Copyright (C) 2006-2009, 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 manipulates the configuration files with Prj.Tree; package Prj.Conf is type Config_File_Hook is access procedure (Config_File : in out Prj.Tree.Project_Node_Id; Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref); -- Hook called after the config file has been parsed. This lets the -- application do last minute changes to it (GPS uses this to add the -- default naming schemes for instance). At that point, the config file -- has not been applied to the project yet. When no config file was found, -- and automatic generation is disabled, it is possible that Config_File -- is set to Empty_Node when this procedure is called. You can then decide -- to create a new config file if you need. procedure Parse_Project_And_Apply_Config (Main_Project : out Prj.Project_Id; User_Project_Node : out Prj.Tree.Project_Node_Id; Config_File_Name : String := ""; Autoconf_Specified : Boolean; Project_File_Name : String; Project_Tree : Prj.Project_Tree_Ref; Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref; Packages_To_Check : String_List_Access; Allow_Automatic_Generation : Boolean := True; Automatically_Generated : out Boolean; Config_File_Path : out String_Access; Target_Name : String := ""; Normalized_Hostname : String; Flags : Processing_Flags; On_Load_Config : Config_File_Hook := null); -- Find the main configuration project and parse the project tree rooted at -- this configuration project. -- -- Project_Node_Tree must have been initialized first (and possibly the -- value for external references and project path should also have been -- set). -- -- If the processing fails, Main_Project is set to No_Project. If the error -- happend while parsing the project itself (ie creating the tree), -- User_Project_Node is also set to Empty_Node. -- -- Autoconf_Specified indicates whether the user has specified --autoconf. -- If this is the case, the config file might be (re)generated, as -- appropriate, to match languages and target if the one specified doesn't -- already match. -- -- Normalized_Hostname is the host on which gprbuild is returned, -- normalized so that we can more easily compare it with what is stored in -- configuration files. It is used when the target is unspecified, although -- we need to know the target specified by the user (Target_Name) when -- computing the name of the default config file that should be used. -- -- If specified, On_Load_Config is called just after the config file has -- been created/loaded. You can then modify it before it is later applied -- to the project itself. -- -- Any error in generating or parsing the config file is reported via the -- Invalid_Config exception, with an appropriate message. Any error while -- parsing the project file results in No_Project. procedure Process_Project_And_Apply_Config (Main_Project : out Prj.Project_Id; User_Project_Node : Prj.Tree.Project_Node_Id; Config_File_Name : String := ""; Autoconf_Specified : Boolean; Project_Tree : Prj.Project_Tree_Ref; Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref; Packages_To_Check : String_List_Access; Allow_Automatic_Generation : Boolean := True; Automatically_Generated : out Boolean; Config_File_Path : out String_Access; Target_Name : String := ""; Normalized_Hostname : String; Flags : Processing_Flags; On_Load_Config : Config_File_Hook := null; Reset_Tree : Boolean := True); -- Same as above, except the project must already have been parsed through -- Prj.Part.Parse, and only the processing of the project and the -- configuration is done at this level. -- -- If Reset_Tree is true, all projects are first removed from the tree. -- When_No_Sources indicates what should be done when no sources are found -- for one of the languages of the project. -- -- 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). Invalid_Config : exception; procedure Get_Or_Create_Configuration_File (Project : Prj.Project_Id; Project_Tree : Prj.Project_Tree_Ref; Project_Node_Tree : Prj.Tree.Project_Node_Tree_Ref; Allow_Automatic_Generation : Boolean; Config_File_Name : String := ""; Autoconf_Specified : Boolean; Target_Name : String := ""; Normalized_Hostname : String; Packages_To_Check : String_List_Access := null; Config : out Prj.Project_Id; Config_File_Path : out String_Access; Automatically_Generated : out Boolean; Flags : Processing_Flags; On_Load_Config : Config_File_Hook := null); -- Compute the name of the configuration file that should be used. If no -- default configuration file is found, a new one will be automatically -- generated if Allow_Automatic_Generation is true. -- -- Any error in generating or parsing the config file is reported via the -- Invalid_Config exception, with an appropriate message. -- -- On exit, Configuration_Project_Path is never null (if none could be -- found, Os.Fail was called and the program exited anyway). -- -- The choice and generation of a configuration file depends on several -- attributes of the user's project file (given by the Project argument), -- e.g. list of languages that must be supported. Project must therefore -- have been partially processed (phase one of the processing only). -- -- Config_File_Name should be set to the name of the config file specified -- by the user (either through gprbuild's --config or --autoconf switches). -- In the latter case, Autoconf_Specified should be set to true to indicate -- that the configuration file can be regenerated to match target and -- languages. This name can either be an absolute path, or the a base name -- that will be searched in the default config file directories (which -- depends on the installation path for the tools). -- -- Target_Name is used to chose the configuration file that will be used -- from among several possibilities. -- -- If a project file could be found, it is automatically parsed and -- processed (and Packages_To_Check is used to indicate which packages -- should be processed) procedure Apply_Config_File (Config_File : Prj.Project_Id; Project_Tree : Prj.Project_Tree_Ref); -- Apply the configuration file settings to all the projects in the -- project tree. The Project_Tree must have been parsed first, and -- processed through the first phase so that all its projects are known. -- -- Currently, this will add new attributes and packages in the various -- projects, so that when the second phase of the processing is performed -- these attributes are automatically taken into account. procedure Add_Default_GNAT_Naming_Scheme (Config_File : in out Prj.Tree.Project_Node_Id; Project_Tree : Prj.Tree.Project_Node_Tree_Ref); -- A hook that will create a new config file (in memory), used for -- Get_Or_Create_Configuration_File and Process_Project_And_Apply_Config -- and add the default GNAT naming scheme to it. Nothing is done if the -- config_file already exists, to avoid overriding what the user might -- have put in there. -------------- -- Runtimes -- -------------- procedure Set_Runtime_For (Language : Name_Id; RTS_Name : String); -- Specifies the runtime to use for a specific language. Most of the time -- this should be used for Ada, but other languages can also specify their -- own runtime. This is in general specified via the --RTS command line -- switch, and results in a specific component passed to gprconfig's -- --config switch then automatically generating a configuration file. function Runtime_Name_For (Language : Name_Id) return String; -- Returns the runtime name for a language. Returns an empty string if no -- runtime was specified for the language using option --RTS. end Prj.Conf;
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