75 lines
4.4 KiB
Ada
75 lines
4.4 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 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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-- 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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with GNAT.OS_Lib; use GNAT.OS_Lib;
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package Switch.M is
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procedure Scan_Make_Switches (Switch_Chars : String);
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-- Procedures to scan out binder switches stored in the given string.
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-- The first character is known to be a valid switch character, and there
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-- are no blanks or other switch terminator characters in the string, so
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-- the entire string should consist of valid switch characters, except that
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-- an optional terminating NUL character is allowed. A bad switch causes
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-- a fatal error exit and control does not return. The call also sets
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-- Usage_Requested to True if a ? switch is encountered.
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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)
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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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