Class: Rubinius::Melbourne19

Inherits:
Melbourne show all
Defined in:
lib/melbourne.rb,
lib/melbourne/processor.rb

Instance Attribute Summary

Attributes inherited from Melbourne

#magic_handler, #pre_exe, #references, #syntax_errors, #transforms

Instance Method Summary collapse

Methods inherited from Melbourne

#add_magic_comment, #add_pre_exe, #initialize, #method_missing, parse_file, #parse_file, parse_string, #parse_string, #process_alias, #process_and, #process_argscat, #process_argspush, #process_array, #process_attrasgn, #process_back_ref, #process_begin, #process_block, #process_block_arg, #process_break, #process_call, #process_case, #process_cdecl, #process_class, #process_colon2, #process_colon3, #process_const, #process_cvar, #process_cvasgn, #process_cvdecl, #process_dangling_node, #process_data, #process_defined, #process_defn, #process_defs, #process_dot2, #process_dot3, #process_dregx, #process_dregx_once, #process_dstr, #process_dsym, #process_dxstr, #process_ensure, #process_evstr, #process_false, #process_fcall, #process_file, #process_fixnum, #process_flip2, #process_flip3, #process_float, #process_gasgn, #process_gvar, #process_hash, #process_iasgn, #process_if, #process_ivar, #process_lasgn, #process_lit, #process_lvar, #process_masgn, #process_match, #process_match2, #process_match3, #process_missing_node, #process_module, #process_negate, #process_next, #process_nil, #process_not, #process_nth_ref, #process_op_asgn1, #process_op_asgn2, #process_op_asgn_and, #process_or, #process_parse_error, #process_redo, #process_regex, #process_resbody, #process_rescue, #process_retry, #process_return, #process_sclass, #process_self, #process_splat, #process_str, #process_svalue, #process_to_ary, #process_transforms, #process_true, #process_undef, #process_until, #process_valias, #process_values, #process_vcall, #process_when, #process_while, #process_xstr, #process_yield, #process_zarray, #process_zsuper, #syntax_error, system_parser

Constructor Details

This class inherits a constructor from Rubinius::Melbourne

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Rubinius::Melbourne

Instance Method Details

#process_args(line, required, optional, splat, post, block) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 512

def process_args(line, required, optional, splat, post, block)
  AST::FormalArguments19.new line, required, optional, splat, post, block
end

#process_block_pass(line, arguments, body) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 516

def process_block_pass(line, arguments, body)
  AST::BlockPass19.new line, arguments, body
end

#process_encoding(line, name) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 520

def process_encoding(line, name)
  AST::Encoding.new line, name
end

#process_for(line, iter, arguments, body) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 557

def process_for(line, iter, arguments, body)
  send = AST::Send.new line, iter, :each
  send.block = AST::For19.new line, arguments, body
  send
end

#process_iter(line, method_send, scope) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 528

def process_iter(line, method_send, scope)
  ary = scope && scope.array || []
  arguments = nil

  if ary.first.kind_of? AST::FormalArguments
    arguments = scope.array.shift
  end

  unless arguments
    arguments = AST::FormalArguments19.new line, nil, nil, nil, nil, nil
  end

  case ary.size
  when 0
    body = nil
  when 1
    if scope.locals
      body = scope
    else
      body = scope.array.shift
    end
  else
    body = scope
  end

  method_send.block = AST::Iter19.new line, arguments, body
  method_send
end

#process_lambda(line, scope) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 563

def process_lambda(line, scope)
  arguments = scope.array.shift
  if scope.array.size == 1
    body = scope.array.shift
  else
    body = scope
  end

  receiver = AST::Self.new line
  method_send = AST::Send.new line, receiver, :lambda, true

  method_send.block = AST::Iter19.new line, arguments, body
  method_send
end

#process_number(line, value) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 578

def process_number(line, value)
  case value
  when Fixnum
    AST::FixnumLiteral.new line, value
  when Bignum
    AST::NumberLiteral.new line, value
  end
end

#process_op_asgn_or(line, var, value) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 587

def process_op_asgn_or(line, var, value)
  AST::OpAssignOr19.new line, var, value
end

#process_opt_arg(line, arguments) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 591

def process_opt_arg(line, arguments)
  AST::Block.new line, arguments
end

#process_postarg(line, into, rest) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 524

def process_postarg(line, into, rest)
  AST::PostArg.new line, into, rest
end

#process_postexe(line, body) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 595

def process_postexe(line, body)
  node = AST::Send.new line, AST::Self.new(line), :at_exit, true
  node.block = AST::Iter.new line, nil, body
  node
end

#process_preexe(line, body) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 601

def process_preexe(line, body)
  node = AST::PreExe19.new line
  node.block = AST::Iter19.new line, nil, body
  add_pre_exe node
  node
end

#process_scope(line, arguments, body, locals) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 608

def process_scope(line, arguments, body, locals)
  case body
  when AST::Begin
    if body.rescue.kind_of? AST::NilLiteral
      return nil unless arguments
    end
    body = AST::Block.new line, [body.rescue]
  when AST::Block
    ary = body.array
    if ary.size > 1 and
       ary.first.kind_of?(AST::Begin) and
       ary.first.rescue.kind_of?(AST::NilLiteral)
      ary.shift
    end
  when nil
    # Nothing
  else
    body = AST::Block.new line, [body]
  end

  if arguments and body
    body.array.unshift arguments
  end

  body.locals = locals if locals

  body
end

#process_super(line, arguments) ⇒ Object 



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# File 'lib/melbourne/processor.rb', line 637

def process_super(line, arguments)
  if arguments.kind_of? AST::BlockPass
    block = arguments
    arguments = block.arguments
    block.arguments = nil
  else
    block = nil
  end

  node = AST::Super.new line, arguments
  node.block = block
  node
end