JezK
Edit File: ruby_builder.rb
require 'treetop/ruby_extensions/string' module Treetop module Compiler class RubyBuilder attr_reader :level, :address_space, :ruby def initialize @level = 0 @address_space = LexicalAddressSpace.new @ruby = "" end def <<(ruby_line) return if ruby_line.blank? ruby << ruby_line.tabto(level) << "\n" end def newline ruby << "\n" end def indented(depth = 2) self.in(depth) yield self.out(depth) end def class_declaration(name, &block) self << "class #{name}" indented(&block) self << "end" end def module_declaration(name, &block) self << "module #{name}" indented(&block) self << "end" end def method_declaration(name, &block) self << "def #{name}" indented(&block) self << "end" end def assign(left, right) if left.instance_of? Array self << "#{left.join(', ')} = #{right.join(', ')}" else self << "#{left} = #{right}" end end def extend(var, module_name) self << "#{var}.extend(#{module_name})" end def accumulate(left, right) self << "#{left} << #{right}" end def if__(condition, &block) self << "if #{condition}" indented(&block) end def if_(condition, &block) if__(condition, &block) self << 'end' end def else_(&block) self << 'else' indented(&block) self << 'end' end def loop(&block) self << 'loop do' indented(&block) self << 'end' end def break self << 'break' end def in(depth = 2) @level += depth self end def out(depth = 2) @level -= depth self end def next_address address_space.next_address end def reset_addresses address_space.reset_addresses end private def indent " " * level end end end end