Module: YTL

Includes:
YTLJit
Defined in:
lib/ytl.rb,
lib/ytl/accmem.rb,
lib/ytl/importobj.rb

Defined Under Namespace

Classes: Memory

Constant Summary collapse

VERSION = 
"0.0.4"
ISEQ_OPTS = 
{  
  :peephole_optimization    => true,
  :inline_const_cache       => false,
  :specialized_instruction  => false,
}
TheMemory = 
Memory.new

Class Method Summary collapse

Class Method Details

.dump_node(tnode, fn) ⇒ Object 



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# File 'lib/ytl.rb', line 84

def self.dump_node(tnode, fn)
  if defined? yield then
    yield
  end
  File.open(fn, "w") do |fp|
    ClassClassWrapper.instance_tab.keys.each do |klass|
      if !klass.is_a?(ClassClassWrapper) then
        fp.print "class #{klass.name}; end\n"
      end
    end
    
    fp.print "Marshal.load(<<'EOS')\n"
    fp.print Marshal.dump(tnode)
    fp.print "\n"
    fp.print "EOS\n"
  end
end

.import_ruby_object(context) ⇒ Object 



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# File 'lib/ytl/importobj.rb', line 4

def self.import_ruby_object(context)
  context.import_object(Object, :Array, Array) 
  context.import_object(Object, :String, String)
  context.import_object(Object, :Math, Math)
end

.main(options) ⇒ Object 



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# File 'lib/ytl.rb', line 144

def self.main(options)
  tr_context = VM::YARVContext.new
  progs = []
  
  import_ruby_object(tr_context)
  options[:execute_before_compile].each do |fn|
    rf = File.read(fn)
    prog = eval(rf)
    progs.push prog
    is = RubyVM::InstructionSequence.compile(prog, ARGV[0], 
                                             "", 0, ISEQ_OPTS).to_a
    iseq = VMLib::InstSeqTree.new(nil, is)
    tr = VM::YARVTranslatorCRubyObject.new([iseq])
    tr_context.current_file_name = fn
    tr.translate(tr_context)
  end
  
  tnode = nil
  case File.extname(ARGV[0])
  when ".ytl"
    File.open(ARGV[0]) do |fp|
      tnode = eval(fp.read, TOPLEVEL_BINDING)
    end
    tnode.update_after_restore
    if tnode.code_space then
      tnode.code_space.call(tnode.code_space.base_address)
      return
    end
    
  when ".rb"
    prog = File.read(ARGV[0])
    is = RubyVM::InstructionSequence.compile(prog, ARGV[0], 
                                             "", 0, ISEQ_OPTS).to_a
    iseq = VMLib::InstSeqTree.new(nil, is)
    if options[:dump_yarv] then
      pp iseq
    end
    iseqs = [prelude_iseq, iseq]
    
    tr = VM::YARVTranslatorCRubyObject.new(iseqs)
    tr_context.current_file_name = ARGV[0]
    tnode = tr.translate(tr_context)
  end
  
  ci_context = VM::CollectInfoContext.new(tnode)
  ci_context.options = options
  tnode.collect_info(ci_context)
  
  if fn = options[:write_node_before_ti] then
    dump_node(tnode, fn)
  end
  
  dmylit = VM::Node::LiteralNode.new(tnode, nil)
  arg = [dmylit, dmylit, dmylit]
  sig = []
  arg.each do |ele|
    sig.push RubyType::BaseType.from_ruby_class(NilClass)
  end
  
  ti_context = VM::TypeInferenceContext.new(tnode)
  ti_context.options = options
  begin
    tnode.collect_candidate_type(ti_context, arg, sig)
  end until ti_context.convergent
  ti_context = tnode.collect_candidate_type(ti_context, arg, sig)
  
  if fn = options[:write_node_after_ti] then
    dump_node(tnode, fn)
  end
  
  c_context = VM::CompileContext.new(tnode)
  c_context.current_method_signature.push sig
  c_context.options = options
  c_context = tnode.compile(c_context)
  tnode.make_frame_struct_tab
  
  if fn = options[:write_code] then
    dump_node(tnode, fn) {
      tnode.code_store_hook
    }
  end
  
  if options[:disasm] then
    tnode.code_space_tab.each do |cs|
      cs.fill_disasm_cache
    end
    tnode.code_space.disassemble
  end
  
  tcs = tnode.code_space
  STDOUT.flush
  if !options[:compile_only] then
    tcs.call(tcs.base_address)
  end
end

.parse_opt(argv) ⇒ Object 



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# File 'lib/ytl.rb', line 20

def self.parse_opt(argv)
  ytlopt = {}
  ytlopt[:execute_before_compile] = []
  opt = OptionParser.new
  
  opt.on('--disasm', 'Disasemble generated code') do |f|
    ytlopt[:disasm] = f
  end
  
  opt.on('--dump-yarv', 'Dump YARV byte code') do |f|
    ytlopt[:dump_yarv] = f
  end
  
  opt.on('--disp-signature', 'Display signature of method') do |f|
    ytlopt[:disp_signature] = f
  end
  
  opt.on('--dump-context', 'Dump context(registor/stack) for debug') do |f|
    ytlopt[:dump_context] = f
  end
  
  opt.on('-o FILE', '--write-code =FILE', 
         'Write generating naitive code and node objects') do |f|
    ytlopt[:write_code] = f
  end
  
  opt.on('--write-node-before-type-inference =FILE', 
         'Write node of before type inference') do |f|
    ytlopt[:write_node_before_ti] = f
  end
  
  opt.on('--write-node-after-type-inference =FILE', 
         'Write node of after type inference') do |f|
    ytlopt[:write_node_after_ti] = f
  end
  
  opt.on('-r FILE', '--execute-before-compile =FILE', 
         'Execute ruby program (execute by CRuby)') do |f|
    ytlopt[:execute_before_compile].push f
  end
  
  opt.on('-c', '--compile-only', 
         'Stop when compile finished (not execute compiled code)') do |f|
    ytlopt[:compile_only] = f
  end
  
  opt.on('--compile-array-as-unboxed', 
         'Compile Array as unboxed if nesseary(not excape, not use special methods)') do |f|
    ytlopt[:compile_array_as_uboxed] = f
  end
  
  opt.parse!(argv)
  ytlopt
end

.prelude_iseq ⇒ Object 



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# File 'lib/ytl.rb', line 75

def self.prelude_iseq
  prelude = File.join(File.dirname(__FILE__), "..", "runtime", "prelude.rb")
  rf = File.read(prelude)
  prog = eval(rf)
  is = RubyVM::InstructionSequence.compile(prog, ARGV[0], 
                                           "", 0, ISEQ_OPTS).to_a
  VMLib::InstSeqTree.new(nil, is)
end

.reduced_main(prog, options) ⇒ Object 



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# File 'lib/ytl.rb', line 102

def self.reduced_main(prog, options)
  tr_context = VM::YARVContext.new
  
  import_ruby_object(tr_context)
  
  tnode = nil
  is = RubyVM::InstructionSequence.compile(prog, ARGV[0], 
                                           "", 0, ISEQ_OPTS).to_a
  iseq = VMLib::InstSeqTree.new(nil, is)
  iseqs = [prelude_iseq, iseq]
  
  tr = VM::YARVTranslatorCRubyObject.new(iseqs)
  tnode = tr.translate(tr_context)
  
  ci_context = VM::CollectInfoContext.new(tnode)
  ci_context.options = options
  tnode.collect_info(ci_context)
  
  dmylit = VM::Node::LiteralNode.new(tnode, nil)
  arg = [dmylit, dmylit, dmylit]
  sig = []
  arg.each do |ele|
    sig.push RubyType::BaseType.from_ruby_class(NilClass)
  end
  
  ti_context = VM::TypeInferenceContext.new(tnode)
  ti_context.options = options
  begin
    tnode.collect_candidate_type(ti_context, arg, sig)
  end until ti_context.convergent
  ti_context = tnode.collect_candidate_type(ti_context, arg, sig)
  
  c_context = VM::CompileContext.new(tnode)
  c_context.current_method_signature.push sig
  c_context.options = options
  c_context = tnode.compile(c_context)
  tnode.make_frame_struct_tab
  
  tcs = tnode.code_space
  tcs.call(tcs.base_address)
end