------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- B A C K _ E N D -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2001 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 2, 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 COPYING. If not, write -- -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- -- Boston, MA 02110-1301, USA. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- Call the back end with all the information needed. Also contains other -- back-end specific interfaces required by the front end. package Back_End is type Back_End_Mode_Type is ( Generate_Object, -- Full back end operation with object file generation Declarations_Only, -- Partial back end operation with no object file generation. In this -- mode the only useful action performed by gigi is to process all -- declarations issuing any error messages (in partcicular those to -- do with rep clauses), and to back annotate representation info. Skip); -- Back end call is skipped (syntax only, or errors found) pragma Convention (C, Back_End_Mode_Type); for Back_End_Mode_Type use (0, 1, 2); procedure Call_Back_End (Mode : Back_End_Mode_Type); -- Call back end, i.e. make call to driver traversing the tree and -- outputting code. This call is made with all tables locked. -- The back end is responsible for unlocking any tables it may need -- to change, and locking them again before returning. procedure Scan_Compiler_Arguments; -- Acquires command-line parameters passed to the compiler and processes -- them. Calls Scan_Front_End_Switches for any front-end switches -- encountered. -- -- The processing of arguments is private to the back end, since -- the way of acquiring the arguments as well as the set of allowable -- back end switches is different depending on the particular back end -- being used. -- -- Any processed switches that influence the result of a compilation -- must be added to the Compilation_Arguments table. end Back_End;