83 lines
4.3 KiB
Ada
83 lines
4.3 KiB
Ada
------------------------------------------------------------------------------
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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) 1992-2008, 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.
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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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