Contents

#!/usr/bin/env ruby

require 'mruby_tools'

# args like: file1.rb file2.rb -o outfile
#  possibly: file1.rb -o outfile file2.rb -c generated.c

opts = MRubyTools::CLI.args(ARGV)
MRubyTools::CLI.usage if opts[:help]

FAIL_MRUBY_NOT_FOUND = 1
FAIL_MRBC_BYTECODE = 1
FAIL_GCC = 1


mrb = MRubyTools.new(opts[:mruby_dir]) # nil is fine
begin
  mrb.validate!
rescue MRubyTools::MRubyNotFound => e
  warn "#{e.class}: can't find #{e}"
  exit FAIL_MRUBY_NOT_FOUND
end

rb_files = opts.fetch(:rb_files)
MRubyTools::CLI.usage("no .rb files provided") if rb_files.empty?

# inject a string vs create and inject bytecode
if opts[:bytecode]
  bc_file = 'bytecode.mrb'
  puts "creating #{bc_file}..."
  if mrb.mrbc rb_files, bc_file
    c_code = MRubyTools::C.bytecode_wrapper(bc_file)
  else
    warn "FATAL: mrbc bytecode generation failed"
    exit FAIL_MRBC_BYTECODE
  end
else
  c_code = MRubyTools::C.wrapper(rb_files)
end
puts c_code + "\n" if opts[:verbose]

c_file = opts.fetch(:c_file)
c_file.write(c_code)
c_file.close
puts "generated #{c_file.path}" if opts[:verbose]

out_file = opts.fetch(:out_file)
puts "compiling..."
if mrb.compile(c_file.path, out_file)
  puts "created binary executable: #{out_file}"
else
  warn "FATAL: compile failed"
  exit FAIL_GCC
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
mruby_tools-0.0.4.1	bin/mrbt