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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- S I N P U T . P -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2008, 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. -- -- -- ------------------------------------------------------------------------------ -- This child package contains the routines used to actually load a project -- file and create entries in the source file table. It also contains two -- routines to save and restore a project scan context. with Scans; use Scans; package Sinput.P is procedure Clear_Source_File_Table; -- This procedure frees memory allocated in the Source_File table (in the -- private part of package Sinput). It should only be used when it is -- guaranteed that all source files that have been loaded so far will not -- be accessed before being reloaded. It is intended for tools that parse -- several times sources, to avoid memory leaks. function Load_Project_File (Path : String) return Source_File_Index; -- Load the source of a project source file into memory and initialize the -- Scans state. procedure Reset_First; -- Indicate that the next project loaded should be considered as the first -- one, so that Sinput.Main_Source_File is set for this project file. This -- is to get the correct number of lines when error finalization is called. function Source_File_Is_Subunit (X : Source_File_Index) return Boolean; -- This function determines if a source file represents a subunit. It works -- by scanning for the first compilation unit token, and returning True if -- it is the token SEPARATE. It will return False otherwise, meaning that -- the file cannot possibly be a legal subunit. This function does NOT do a -- complete parse of the file, or build a tree. It is used in gnatmake and -- gprbuild to decide if a body without a spec in a project file needs to -- be compiled or not. type Saved_Project_Scan_State is limited private; -- Used to save project scan state in following two routines procedure Save_Project_Scan_State (Saved_State : out Saved_Project_Scan_State); pragma Inline (Save_Project_Scan_State); -- Save the Scans state, as well as the values of Source and -- Current_Source_File. procedure Restore_Project_Scan_State (Saved_State : Saved_Project_Scan_State); pragma Inline (Restore_Project_Scan_State); -- Restore the Scans state and the values of Source and -- Current_Source_File. private type Saved_Project_Scan_State is record Scan_State : Saved_Scan_State; Source : Source_Buffer_Ptr; Current_Source_File : Source_File_Index; end record; end Sinput.P;