184 lines
6.4 KiB
Ada
184 lines
6.4 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- V M S _ C O N V --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2003-2008, 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 is part of the GNAT driver. It contains the procedure
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-- VMS_Conversion to convert a VMS command line to the equivalent command
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-- line with switches for the GNAT tools that the GNAT driver will invoke.
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-- The qualifier declarations are contained in package VMS_Data.
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with Table;
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with VMS_Data; use VMS_Data;
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with GNAT.OS_Lib; use GNAT.OS_Lib;
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package VMS_Conv is
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-- A table to keep the switches on the command line
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package Last_Switches is new Table.Table
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(Table_Component_Type => String_Access,
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Table_Index_Type => Integer,
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Table_Low_Bound => 1,
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Table_Initial => 20,
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Table_Increment => 100,
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Table_Name => "Gnatcmd.Last_Switches");
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Normal_Exit : exception;
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-- Raise this exception for normal program termination
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Error_Exit : exception;
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-- Raise this exception if error detected
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Errors : Natural := 0;
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-- Count errors detected
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Display_Command : Boolean := False;
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-- Set true if /? switch causes display of generated command (on VMS)
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-------------------
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-- Command Table --
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-------------------
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-- The command table contains an entry for each command recognized by
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-- GNATCmd. The entries are represented by an array of records.
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type Parameter_Type is
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-- A parameter is defined as a whitespace bounded string, not beginning
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-- with a slash. (But see note under FILES_OR_WILDCARD).
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(File,
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-- A required file or directory parameter
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Optional_File,
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-- An optional file or directory parameter
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Other_As_Is,
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-- A parameter that's passed through as is (not canonicalized)
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Unlimited_Files,
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-- An unlimited number of whitespace separate file or directory
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-- parameters including wildcard specifications.
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Unlimited_As_Is,
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-- An unlimited number of whitespace separated parameters that are
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-- passed through as is (not canonicalized).
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Files_Or_Wildcard);
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-- A comma separated list of files and/or wildcard file specifications.
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-- A comma preceded by or followed by whitespace is considered as a
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-- single comma character w/o whitespace.
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type Parameter_Array is array (Natural range <>) of Parameter_Type;
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type Parameter_Ref is access all Parameter_Array;
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type Command_Type is
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(Bind,
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Chop,
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Clean,
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Compile,
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Check,
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Sync,
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Elim,
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Find,
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Krunch,
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Link,
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List,
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Make,
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Metric,
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Name,
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Preprocess,
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Pretty,
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Shared,
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Stack,
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Stub,
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Xref,
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Undefined);
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type Alternate_Command is (Comp, Ls, Kr, Pp, Prep);
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-- Alternate command label for non VMS system use
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Corresponding_To : constant array (Alternate_Command) of Command_Type :=
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(Comp => Compile,
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Ls => List,
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Kr => Krunch,
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Prep => Preprocess,
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Pp => Pretty);
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-- Mapping of alternate commands to commands
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subtype Real_Command_Type is Command_Type range Bind .. Xref;
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type Command_Entry is record
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Cname : String_Ptr;
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-- Command name for GNAT xxx command
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Usage : String_Ptr;
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-- A usage string, used for error messages
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Unixcmd : String_Ptr;
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-- Corresponding Unix command
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Unixsws : Argument_List_Access;
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-- Switches for the Unix command
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VMS_Only : Boolean;
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-- When True, the command can only be used on VMS
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Switches : Switches_Ptr;
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-- Pointer to array of switch strings
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Params : Parameter_Ref;
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-- Describes the allowable types of parameters.
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-- Params (1) is the type of the first parameter, etc.
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-- An empty parameter array means this command takes no parameters.
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Defext : String (1 .. 3);
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-- Default extension. If non-blank, then this extension is supplied by
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-- default as the extension for any file parameter which does not have
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-- an extension already.
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end record;
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-------------------
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-- Switch Tables --
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-------------------
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-- The switch tables contain an entry for each switch recognized by the
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-- command processor. It is initialized by procedure Initialize.
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Command_List : array (Real_Command_Type) of Command_Entry;
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----------------
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-- Procedures --
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----------------
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procedure Initialize;
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-- Initialized the switch table Command_List
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procedure Output_Version;
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-- Output the version of this program
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procedure VMS_Conversion (The_Command : out Command_Type);
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-- Converts VMS command line to equivalent Unix command line
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end VMS_Conv;
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