------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J . E X T -- -- -- -- S p e c -- -- -- -- Copyright (C) 2000-2010, 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 ------------------------- -- 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 = 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;