Class: SFRP::Command

Inherits:
Struct
  • Object
show all
Defined in:
lib/sfrp/command.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#cc ⇒ Object

Returns the value of attribute cc



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# File 'lib/sfrp/command.rb', line 5

def cc
  @cc
end

#error_class ⇒ Object

Returns the value of attribute error_class



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# File 'lib/sfrp/command.rb', line 5

def error_class
  @error_class
end

#include_paths ⇒ Object

Returns the value of attribute include_paths



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# File 'lib/sfrp/command.rb', line 5

def include_paths
  @include_paths
end

#main_file ⇒ Object

Returns the value of attribute main_file



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# File 'lib/sfrp/command.rb', line 5

def main_file
  @main_file
end

#out_dir ⇒ Object

Returns the value of attribute out_dir



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# File 'lib/sfrp/command.rb', line 5

def out_dir
  @out_dir
end

#show_files ⇒ Object

Returns the value of attribute show_files



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# File 'lib/sfrp/command.rb', line 5

def show_files
  @show_files
end

Class Method Details

.extract_argv(com, argv) ⇒ Object 



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# File 'lib/sfrp/command.rb', line 15

def self.extract_argv(com, argv)
  opt_parser = OptionParser.new do |parse|
    desc = 'show paths of the .c file'
    parse.on('--show-files', desc) do
      com.show_files = true
    end
    desc = 'specify output directory (default is ./output)'
    parse.on('--out=DIR_NAME', desc) do |dir|
      com.out_dir = './' + dir.gsub(/\/$/, '')
    end
    desc = 'add include path (multi specification is allowed)'
    parse.on('--include=PATH', desc) do |path|
      com.include_paths << path
    end
    desc = 'only print error (do not generate compiled file)'
    parse.on('--only-print-error', desc) do
      com.out_dir = nil
    end
    desc = 'print error class instead of error message'
    parse.on('--error-class', desc) do
      com.error_class = true
    end
    desc = 'make binary by given command'
    parse.on('--build=CC', desc) do |cc|
      com.cc = cc
    end
  end
  args_without_option = opt_parser.parse(argv)
  case args_without_option.size
  when 0
    nil
  when 1
    com.main_file = args_without_option[0].gsub(/\.sfrp$/, '')
  else
    STDERR.puts 'invalid target specification'
    exit(1)
  end
rescue OptionParser::InvalidOption => error
  puts error.message
  exit(1)
end

.from_argv(argv, include_path) ⇒ Object 



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# File 'lib/sfrp/command.rb', line 8

def self.from_argv(argv, include_path)
  com = new('Main', './output', false, ['.'], false, nil)
  extract_argv(com, argv)
  com[:include_paths] << include_path
  com
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/sfrp/command.rb', line 57

def run
  outs = Compiler.new(main_file, include_paths).compile(out_dir)
  out_paths = outs.map { |o| out_dir + '/' + o + '.c' }
  STDOUT.puts out_paths.join("\n") if show_files
  STDERR.print `#{cc} -o #{main_file} #{out_paths.join(' ')}` if cc
rescue SFRP::CompileError => cerr
  text = error_class ? cerr.class.to_s : cerr.message
  if out_dir == nil
    STDOUT.puts text
    exit(0)
  else
    STDERR.puts text
    exit(1)
  end
end