GEN-RENAMED-SDF-MODU(1)

NAME
gen-renamed-sdf-module - generates an SDF module that renames all SDF sorts in a given SDF definition.

SYNOPSIS

gen-renamed-sdf-module [-m mod | --main mod] [--name mod] [--prefix id] [--scheme [...]] [-i file | --input file] [-o file | --output file] [-b] [-S | --silent] [--verbose level] [-k level | --keep level] [-h | -? | --help] [--about] [--version]

DESCRIPTION

The gen-renamed-sdf-module utility is used to generate modules where sorts are either prefixed (with the --prefix option) or renamed (using the --scheme option).

This tool is useful for concrete object syntax embeddings, where the sorts in the embedded language syntax definitions must be renamed before being imported into the host language, so as to avoid name space conflicts between the two syntax declarations. For example, both the embedded and the host language may declare an Exp sort.

OPTIONS

Grammar Options

-m mod, --main mod
    Use mod as the main module in the SDF definition. By default, this is Main.

--name mod
    Name of the resulting module. This option is mandatory.

--prefix id
    Prefix all sort names with id.

--scheme [...]
    Rename the sorts according to the scheme in [...].

Common Input/Output Options

-i file
    The input term given by the file name file.

    In the absence of the -i option, input will be read from stdin.

-o file
    The output will be written to the file given by the file name file.

    In the absence of the -o option, output will be written to stdout.

-b  The output will be written in the binary (BAF) ATerm format.

    ATerms in the BAF format require a lot less space than ones in the TAF format, but the Java ATerm library does not currently support baf ATerms. ATerms in the baf format is the preferred format of exchange between Stratego tools.

Common Debugging Options

--about
    See --version.

-h, -?, --help
    Display usage information.

--keep int
    Keep intermediate results produced by the internal stages in the pretty-printing process. This is only useful for debugging. A high value of int indicates increased eagerness for keeping intermediate results.

    Default setting is 0, indicating that no intermediates will be kept.

-S, --silent
    Silent execution. Same as --verbose 0.

--verbose int
    Set verbosity level to numerical value int. The higher the number, the more information about pp-aterm's inner workings are printed.

    Alternatively, int can be set to either of the following verbosity levels, given in increasing order of verbosity: emergency, alert, critical, error, warning, notice, info, debug, vomit.

--version
    Displays the tool name and version.

EXAMPLE

Consider the following syntax definition.

  definition
  module Expressions
  imports Identifiers [Id => MyId]
  exports
    sorts Exp

  context-free syntax
    Id        -> Exp {cons("Var")}
    IntConst  -> Exp {cons("Int")}

    Exp "+"  Exp -> Exp  {left, cons("Plus")}
  module Identifiers
  exports
    sorts Id

  lexical syntax
    [a-zA-Z]+ -> Id

By applying gen-renamed-sdf-module as follows, all sorts will be prefixed by Exp.

$ gen-renamed-sdf-module -i Exp.def -m Expressions --name Exp-Prefixed --prefix Exp

The generated definition is:

  module Exp-Prefixed
  imports Expressions
    [ IntConst => ExpIntConst
      MyId     => ExpMyId
      Exp      => ExpExp ]

REPORTING BUGS

Please report bugs to <stratego-bugs@cs.uu.nl>

COPYRIGHT

Copyright (C) 2002-2005 Eelco Visser <visser@acm.org>

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.