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#!/usr/bin/env ruby
#
# Copyright (c) 2013 Dirk Willrodt <willrodt@zbh.uni-hamburg.de>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# # #
# creates an implementation skeleton of an abstract class
# see src/core/example_rep.h
# src/core/example.[ch]
# for abstract class example and src/core/example_a.[ch]
# src/core/example_b.[ch]
# for implementations thereof.
require 'optparse'
require 'ostruct'
require 'pp'
require "erb"
$:.unshift File.join(File.dirname(__FILE__), ".")
require "codegen_module.rb"
module ClassGenOpts
def self.parse(args)
options = OpenStruct.new
options.force = false
opts = OptionParser.new()
opts.program_name = File.basename($0)
opts.version = 0 , 1
opts.release = 1
opts.banner = "USAGE: #{opts.program_name} [options] dirname classname basename"
opts.separator ""
opts.separator "dirname + classname gives the path to the abstract class,"
opts.separator "basename will be added to classname for files of"
opts.separator "implemetation"
opts.separator ""
opts.separator "Specific options:"
opts.on("-f", "--force",
"overwrite files if they already exist.") do |force|
options.force = force
end
opts.separator ""
opts.separator "Common options"
opts.on("-h", "--help",
"print this help end exit") do
puts opts
exit
end
opts.on("--version",
"print version and exit") do
puts opts.ver
exit
end
opts.parse!(args)
if (args.length != 3)
CodeGen.perror "wrong number of arguments\n" + opts
end
options.dirname = File.join "src", args[0]
options.classbase = File.join options.dirname, args[1]
options.basename = options.classbase + '_' + args[2]
if (File.exist?(options.basename + '.h') or
File.exist?(options.basename + '.c')) and
not options.force
CodeGen.perror "Either or both file(s) #{options.basename}.[ch]\n" +
"already exist. Use --force to overwrite.\n" +
"(#{opts.program_name} -h for details)"
end
return options
end
end
def create_header(options)
h_file = File.new(options.basename + '.h', 'w')
h_file << CodeGen.create_license
classbase = options.classbase[4..-1]
guard_macro = File.basename(options.basename).upcase + '_H'
cvar= File.basename(options.classbase)
icvar= File.basename(options.basename)
fkt_pref = "gt_" + cvar
ifkt_pref = "gt_" + icvar
classN = CodeGen.filename2classname(options.classbase)
iclassN = CodeGen.filename2classname(options.basename)
content = ERB.new($implement_header).result(binding)
h_file << ERB.new($hwrapper).result(binding)
h_file.close
end
def create_src(options)
src_file = File.new(options.basename + '.c', 'w')
src_file << CodeGen.create_license
classbase = options.classbase[/[^\/]+\/(.+)$/, 1]
basename = options.basename[/[^\/]+\/(.+)$/, 1]
classN = CodeGen.filename2classname(options.classbase)
iclassN = CodeGen.filename2classname(options.basename)
cvar= File.basename(options.classbase)
icvar= File.basename(options.basename)
fkt_pref = "gt_" + cvar
ifkt_pref = "gt_" + icvar
repfile = File.readlines(options.classbase + "_rep.h")
functions = CodeGen.extract_functions_from_rep(classN,repfile)
funcnames = []
cvar= File.basename(options.classbase)
icvar= File.basename(options.basename)
src_file << ERB.new($implement_src).result(binding)
src_file.close
end
begin
options = ClassGenOpts.parse(ARGV);
rescue OptionParser::InvalidOption => e
CodeGen.perror e.message
end
create_header(options)
create_src(options)
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