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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [ada/] [prj-util.ads] - Rev 281
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P R J . U T I L -- -- -- -- S p e c -- -- -- -- Copyright (C) 2001-2008, 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. -- -- -- ------------------------------------------------------------------------------ -- Utilities for use in processing project files package Prj.Util is -- ??? throughout this spec, parameters are not well enough documented function Executable_Of (Project : Project_Id; In_Tree : Project_Tree_Ref; Main : File_Name_Type; Index : Int; Ada_Main : Boolean := True; Language : String := "") return File_Name_Type; -- Return the value of the attribute Builder'Executable for file Main in -- the project Project, if it exists. If there is no attribute Executable -- for Main, remove the suffix from Main; then, if the attribute -- Executable_Suffix is specified, add this suffix, otherwise add the -- standard executable suffix for the platform. -- What is Ada_Main??? -- What is Language??? procedure Put (Into_List : in out Name_List_Index; From_List : String_List_Id; In_Tree : Project_Tree_Ref; Lower_Case : Boolean := False); -- Append a name list to a string list -- Describe parameters??? procedure Duplicate (This : in out Name_List_Index; In_Tree : Project_Tree_Ref); -- Duplicate a name list function Value_Of (Variable : Variable_Value; Default : String) return String; -- Get the value of a single string variable. If Variable is -- Nil_Variable_Value, is a string list or is defaulted, return Default. function Value_Of (Index : Name_Id; In_Array : Array_Element_Id; In_Tree : Project_Tree_Ref) return Name_Id; -- Get a single string array component. Returns No_Name if there is no -- component Index, if In_Array is null, or if the component is a String -- list. Depending on the attribute (only attributes may be associative -- arrays) the index may or may not be case sensitive. If the index is not -- case sensitive, it is first set to lower case before the search in the -- associative array. function Value_Of (Index : Name_Id; Src_Index : Int := 0; In_Array : Array_Element_Id; In_Tree : Project_Tree_Ref; Force_Lower_Case_Index : Boolean := False) return Variable_Value; -- Get a string array component (single String or String list). Returns -- Nil_Variable_Value if no component Index or if In_Array is null. -- -- Depending on the attribute (only attributes may be associative arrays) -- the index may or may not be case sensitive. If the index is not case -- sensitive, it is first set to lower case before the search in the -- associative array. function Value_Of (Name : Name_Id; Index : Int := 0; Attribute_Or_Array_Name : Name_Id; In_Package : Package_Id; In_Tree : Project_Tree_Ref; Force_Lower_Case_Index : Boolean := False) return Variable_Value; -- In a specific package, -- - if there exists an array Attribute_Or_Array_Name with an index Name, -- returns the corresponding component (depending on the attribute, the -- index may or may not be case sensitive, see previous function), -- - otherwise if there is a single attribute Attribute_Or_Array_Name, -- returns this attribute, -- - otherwise, returns Nil_Variable_Value. -- If In_Package is null, returns Nil_Variable_Value. function Value_Of (Index : Name_Id; In_Array : Name_Id; In_Arrays : Array_Id; In_Tree : Project_Tree_Ref) return Name_Id; -- Get a string array component in an array of an array list. Returns -- No_Name if there is no component Index, if In_Arrays is null, if -- In_Array is not found in In_Arrays or if the component is a String list. function Value_Of (Name : Name_Id; In_Arrays : Array_Id; In_Tree : Project_Tree_Ref) return Array_Element_Id; -- Returns a specified array in an array list. Returns No_Array_Element -- if In_Arrays is null or if Name is not the name of an array in -- In_Arrays. The caller must ensure that Name is in lower case. function Value_Of (Name : Name_Id; In_Packages : Package_Id; In_Tree : Project_Tree_Ref) return Package_Id; -- Returns a specified package in a package list. Returns No_Package if -- In_Packages is null or if Name is not the name of a package in -- Package_List. The caller must ensure that Name is in lower case. function Value_Of (Variable_Name : Name_Id; In_Variables : Variable_Id; In_Tree : Project_Tree_Ref) return Variable_Value; -- Returns a specified variable in a variable list. Returns null if -- In_Variables is null or if Variable_Name is not the name of a -- variable in In_Variables. Caller must ensure that Name is lower case. procedure Write_Str (S : String; Max_Length : Positive; Separator : Character); -- Output string S using Output.Write_Str. If S is too long to fit in -- one line of Max_Length, cut it in several lines, using Separator as -- the last character of each line, if possible. type Text_File is limited private; -- Represents a text file (default is invalid text file) function Is_Valid (File : Text_File) return Boolean; -- Returns True if File designates an open text file that has not yet been -- closed. procedure Open (File : out Text_File; Name : String); -- Open a text file to read (file is invalid if text file cannot be opened) function End_Of_File (File : Text_File) return Boolean; -- Returns True if the end of the text file File has been reached. Fails if -- File is invalid. procedure Get_Line (File : Text_File; Line : out String; Last : out Natural); -- Reads a line from an open text file (fails if file is invalid) procedure Close (File : in out Text_File); -- Close an open text file. File becomes invalid. Fails if File is already -- invalid. private type Text_File_Data is record FD : File_Descriptor := Invalid_FD; Buffer : String (1 .. 1_000); Buffer_Len : Natural; Cursor : Natural := 0; End_Of_File_Reached : Boolean := False; end record; type Text_File is access Text_File_Data; end Prj.Util;
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