1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 -- This child package contains the routines used to actually load a project
28 -- file and create entries in the source file table. It also contains two
29 -- routines to save and restore a project scan context.
31 with Scans; use Scans;
35 function Load_Project_File (Path : String) return Source_File_Index;
36 -- Load into memory the source of a project source file.
37 -- Initialize the Scans state.
39 procedure Reset_First;
40 -- Indicate that the next project loaded should be considered as the first
41 -- one, so that Sinput.Main_Source_File is set for this project file. This
42 -- is to get the correct number of lines when error finalization is called.
44 function Source_File_Is_Subunit (X : Source_File_Index) return Boolean;
45 -- This function determines if a source file represents a subunit. It
46 -- works by scanning for the first compilation unit token, and returning
47 -- True if it is the token SEPARATE. It will return False otherwise,
48 -- meaning that the file cannot possibly be a legal subunit. This
49 -- function does NOT do a complete parse of the file, or build a
50 -- tree. It is used in gnatmake to decide if a body without a spec
51 -- in a project file needs to be compiled or not.
53 type Saved_Project_Scan_State is limited private;
54 -- Used to save project scan state in following two routines
56 procedure Save_Project_Scan_State
57 (Saved_State : out Saved_Project_Scan_State);
58 pragma Inline (Save_Project_Scan_State);
59 -- Save the Scans state, as well as the values of
60 -- Source and Current_Source_File.
62 procedure Restore_Project_Scan_State
63 (Saved_State : Saved_Project_Scan_State);
64 pragma Inline (Restore_Project_Scan_State);
65 -- Restore the Scans state and the values of
66 -- Source and Current_Source_File.
70 type Saved_Project_Scan_State is record
71 Scan_State : Saved_Scan_State;
72 Source : Source_Buffer_Ptr;
73 Current_Source_File : Source_File_Index;