1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
11 -- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- GNAT was originally developed by the GNAT team at New York University. --
25 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
27 ------------------------------------------------------------------------------
29 -- Call the back end with all the information needed. Also contains other
30 -- back-end specific interfaces required by the front end.
34 type Back_End_Mode_Type is (
36 -- Full back end operation with object file generation
39 -- Partial back end operation with no object file generation. In this
40 -- mode the only useful action performed by gigi is to process all
41 -- declarations issuing any error messages (in partcicular those to
42 -- do with rep clauses), and to back annotate representation info.
45 -- Back end call is skipped (syntax only, or errors found)
47 pragma Convention (C, Back_End_Mode_Type);
48 for Back_End_Mode_Type use (0, 1, 2);
50 procedure Call_Back_End (Mode : Back_End_Mode_Type);
51 -- Call back end, i.e. make call to driver traversing the tree and
52 -- outputting code. This call is made with all tables locked.
53 -- The back end is responsible for unlocking any tables it may need
54 -- to change, and locking them again before returning.
56 procedure Scan_Compiler_Arguments;
57 -- Acquires command-line parameters passed to the compiler and processes
58 -- them. Calls Scan_Front_End_Switches for any front-end switches
61 -- The processing of arguments is private to the back end, since
62 -- the way of acquiring the arguments as well as the set of allowable
63 -- back end switches is different depending on the particular back end
66 -- Any processed switches that influence the result of a compilation
67 -- must be added to the Compilation_Arguments table.