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#!/usr/bin/env ruby
#
# Copyright (C) 2006-2019 Matthias Koefferlein
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# Usage
# parse.rb -i prep.cpp -o dump.json
#
# prep.cpp: preprocessed .cpp file
# dump.json: output dump
$:.push(File.dirname($0))
require 'oj'
require 'treetop'
Treetop.load "c++"
input="all.e"
output="all.db"
while ARGV.size > 0
o = ARGV.shift
if o == "-i"
input = ARGV.shift
elsif o == "-o"
output = ARGV.shift
else
raise("Invalid option #{o} - usage is 'parse.rb -i prep.cpp -o dump.json'")
end
end
input || raise("No input given (use -i)")
output || raise("No output given (use -o)")
text = nil
File.open(input, "r") do |file|
text = file.read
end
parser = CPPParser.new
parser.root = :module
p = parser.parse(text)
if p
puts "Input #{input} successfully read."
File.open(output, "w") do |file|
file.puts(Oj.dump(p.cpp, :mode => :object))
end
puts "Output file #{output} written."
else
puts "Failure in line: "+parser.failure_line.to_s
puts parser.failure_reason
end
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