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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [sinput-p.ads] - Blame information for rev 706

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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT COMPILER COMPONENTS                         --
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--                                                                          --
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--                             S I N P U T . P                              --
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--                                                                          --
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--                                 S p e c                                  --
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--                                                                          --
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--          Copyright (C) 1992-2010, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
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-- for  more details.  You should have  received  a copy of the GNU General --
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-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license.          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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--  This child package contains the routines used to actually load a project
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--  file and create entries in the source file table. It also contains two
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--  routines to save and restore a project scan context.
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with Scans; use Scans;
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package Sinput.P is
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   procedure Clear_Source_File_Table;
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   --  This procedure frees memory allocated in the Source_File table (in the
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   --  private part of package Sinput). It should only be used when it is
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   --  guaranteed that all source files that have been loaded so far will not
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   --  be accessed before being reloaded. It is intended for tools that parse
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   --  several times sources, to avoid memory leaks.
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   function Load_Project_File (Path : String) return Source_File_Index;
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   --  Load the source of a project source file into memory and initialize the
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   --  Scans state.
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   procedure Reset_First;
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   --  Indicate that the next project loaded should be considered as the first
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   --  one, so that Sinput.Main_Source_File is set for this project file. This
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   --  is to get the correct number of lines when error finalization is called.
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   function Source_File_Is_Subunit (X : Source_File_Index) return Boolean;
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   --  This function determines if a source file represents a subunit. It works
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   --  by scanning for the first compilation unit token, and returning True if
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   --  it is the token SEPARATE. It will return False otherwise, meaning that
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   --  the file cannot possibly be a legal subunit. This function does NOT do a
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   --  complete parse of the file, or build a tree. It is used in gnatmake and
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   --  gprbuild to decide if a body without a spec in a project file needs to
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   --  be compiled or not. Returns False if X = No_Source_File.
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   type Saved_Project_Scan_State is limited private;
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   --  Used to save project scan state in following two routines
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   procedure Save_Project_Scan_State
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     (Saved_State : out Saved_Project_Scan_State);
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   pragma Inline (Save_Project_Scan_State);
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   --  Save the Scans state, as well as the values of Source and
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   --  Current_Source_File.
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   procedure Restore_Project_Scan_State
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     (Saved_State : Saved_Project_Scan_State);
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   pragma Inline (Restore_Project_Scan_State);
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   --  Restore the Scans state and the values of Source and
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   --  Current_Source_File.
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private
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   type Saved_Project_Scan_State is record
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      Scan_State          : Saved_Scan_State;
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      Source              : Source_Buffer_Ptr;
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      Current_Source_File : Source_File_Index;
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   end record;
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end Sinput.P;

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