83 lines
4.5 KiB
Ada
83 lines
4.5 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S W I T C H - M --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2001-2020, 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 package scans make switches. Note that the body of Usage must be
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-- coordinated with the switches that are recognized by this package.
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-- The Usage package also acts as the official documentation for the
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-- switches that are recognized. In addition, package Debug documents
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-- the otherwise undocumented debug switches that are also recognized.
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pragma Warnings (Off);
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-- This package is used also by gnatcoll
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with System.OS_Lib; use System.OS_Lib;
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pragma Warnings (On);
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package Switch.M is
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Subdirs : String_Ptr := null;
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-- The value after the equal sign in switch --subdirs=...
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-- Contains the relative subdirectory.
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procedure Scan_Make_Switches
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(Switch_Chars : String;
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Success : out Boolean);
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-- Scan a gnatmake switch and act accordingly. For switches that are
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-- recognized, Success is set to True. A switch that is not recognized and
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-- consists of one small letter causes a fatal error exit and control does
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-- not return. For all other not recognized switches, Success is set to
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-- False, so that the switch may be passed to the compiler.
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--
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-- Project_Node_Tree is used to store tree-specific parameters like the
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-- project path.
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procedure Normalize_Compiler_Switches
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(Switch_Chars : String;
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Switches : in out Argument_List_Access;
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Last : out Natural);
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-- Takes a compiler switch which potentially is equivalent to more
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-- that one simple switches and returns the equivalent list of simple
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-- switches that are stored in an ALI file. Switches will be extended
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-- if initially null or too short. Last indicates the index in Switches
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-- of the last simple switch. Last is equal to zero, if it has been
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-- determined that Switch_Chars is ill-formed or does not contain any
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-- switch that should be stored in an ALI file. Otherwise, the list of
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-- simple switches is Switches (Switches'First .. Last).
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--
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-- Example: if Switch_Chars is equal to "-gnatAwue", then the list of
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-- simple switches will have 3 components: -gnatA, -gnatwu, -gnatwe.
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--
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-- The String_Access components of Switches should not be deallocated:
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-- they are shallow copies of components in a table in the body.
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function Normalize_Compiler_Switches
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(Switch_Chars : String) return Argument_List;
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-- Similar to the previous procedure. The return value is the list of
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-- simple switches. It may be an empty array if it has been determined
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-- that Switch_Chars is ill-formed or does not contain any switch that
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-- should be stored in an ALI file. The String_Access components of the
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-- returned value should not be deallocated.
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end Switch.M;
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