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Diffstat (limited to 'gcc-4.4.3/gcc/ada/prj-ext.ads')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/prj-ext.ads | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ada/prj-ext.ads b/gcc-4.4.3/gcc/ada/prj-ext.ads new file mode 100644 index 000000000..931c3c5d0 --- /dev/null +++ b/gcc-4.4.3/gcc/ada/prj-ext.ads @@ -0,0 +1,70 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- P R J . E X T -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2000-2007, 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. + +package Prj.Ext is + + Gpr_Project_Path : constant String := "GPR_PROJECT_PATH"; + -- Name of primary env. variable that contain path name(s) of directories + -- where project files may reside. + + procedure Add_Search_Project_Directory (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. + + function Project_Path 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 (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. + + procedure Add + (External_Name : String; + Value : String); + -- Add an external reference (or modify an existing one) + + function Value_Of + (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 (Declaration : String) return Boolean; + -- Check that an external declaration <external>=<value> is correct. + -- If it is correct, the external reference is Added. + + procedure Reset; + -- Clear the internal data structure that stores the external references + -- and free any allocated memory. + +end Prj.Ext; |