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