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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc2/] [gcc/] [ada/] [prj-ext.ads] - Rev 281
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J . E X T -- -- -- -- S p e c -- -- -- -- Copyright (C) 2000-2009, 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. -- -- -- ------------------------------------------------------------------------------ -- Subprograms to set, get and cache external references, to be used as -- External functions in project files. with Prj.Tree; package Prj.Ext is ------------------ -- Project Path -- ------------------ procedure Add_Search_Project_Directory (Tree : Prj.Tree.Project_Node_Tree_Ref; Path : String); -- Add a directory to the project path. Directories added with this -- procedure are added in order after the current directory and before -- the path given by the environment variable GPR_PROJECT_PATH. A value -- of "-" will remove the default project directory from the project path. -- -- Calls to this subprogram must be performed before the first call to -- Project_Path below, or PATH will be added at the end of the search -- path. function Project_Path (Tree : Prj.Tree.Project_Node_Tree_Ref) return String; -- Return the current value of the project path, either the value set -- during elaboration of the package or, if procedure Set_Project_Path has -- been called, the value set by the last call to Set_Project_Path. procedure Set_Project_Path (Tree : Prj.Tree.Project_Node_Tree_Ref; New_Path : String); -- Give a new value to the project path. The new value New_Path should -- always start with the current directory (".") and the path separators -- should be the correct ones for the platform. ------------------------- -- External References -- ------------------------- -- External references influence the way a project tree is processed (in -- particular they provide the values for the typed string variables that -- are then used in case constructions). -- External references are project-tree specific, so that when multiple -- trees are loaded in parallel we can have different scenarios (or even -- load the same tree twice and see different views of it). procedure Add (Tree : Prj.Tree.Project_Node_Tree_Ref; External_Name : String; Value : String); -- Add an external reference (or modify an existing one) function Value_Of (Tree : Prj.Tree.Project_Node_Tree_Ref; External_Name : Name_Id; With_Default : Name_Id := No_Name) return Name_Id; -- Get the value of an external reference, and cache it for future uses function Check (Tree : Prj.Tree.Project_Node_Tree_Ref; Declaration : String) return Boolean; -- Check that an external declaration <external>=<value> is correct. -- If it is correct, the external reference is Added. procedure Reset (Tree : Prj.Tree.Project_Node_Tree_Ref); -- Clear the internal data structure that stores the external references -- and free any allocated memory. end Prj.Ext;
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