Class: Rubinius::CompiledCode

Inherits:
Object
  • Object
show all
Defined in:
lib/rubinius/bridge/compiled_code.rb

Constant Summary collapse

KernelMethodSerial = 
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CODE_ID_BYTES = 
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Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CompiledCode

Returns a new instance of CompiledCode.



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# File 'lib/rubinius/bridge/compiled_code.rb', line 27

def initialize
  @code_id = nil
end

Instance Attribute Details

#arity ⇒ Object

Integer

number of arguments, negative if variadic.



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# File 'lib/rubinius/bridge/compiled_code.rb', line 23

def arity
  @arity
end

#block_index ⇒ Object

Returns the value of attribute block_index.



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# File 'lib/rubinius/bridge/compiled_code.rb', line 25

def block_index
  @block_index
end

#file ⇒ Object

Symbol

the file where this comes from



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# File 'lib/rubinius/bridge/compiled_code.rb', line 19

def file
  @file
end

#hints ⇒ Object

added by the VM to indicate how it’s being used.



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# File 'lib/rubinius/bridge/compiled_code.rb', line 7

def hints
  @hints
end

#iseq ⇒ Object

Tuple

instructions to execute



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# File 'lib/rubinius/bridge/compiled_code.rb', line 10

def iseq
  @iseq
end

#keywords ⇒ Object

Tuple

pairs of Symbol name, required flag



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# File 'lib/rubinius/bridge/compiled_code.rb', line 22

def keywords
  @keywords
end

#lines ⇒ Object

Tuple

tuple of the lines where its found



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# File 'lib/rubinius/bridge/compiled_code.rb', line 18

def lines
  @lines
end

#literals ⇒ Object

Tuple

tuple of the literals



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# File 'lib/rubinius/bridge/compiled_code.rb', line 17

def literals
  @literals
end

#local_count ⇒ Object

Integer

number of local vars



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# File 'lib/rubinius/bridge/compiled_code.rb', line 12

def local_count
  @local_count
end

#local_names ⇒ Object

Array<Symbol>

names of the local vars



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# File 'lib/rubinius/bridge/compiled_code.rb', line 20

def local_names
  @local_names
end

#metadata ⇒ Object

Tuple

extra data



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# File 'lib/rubinius/bridge/compiled_code.rb', line 8

def metadata
  @metadata
end

#name ⇒ Object

Symbol

name of the method



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# File 'lib/rubinius/bridge/compiled_code.rb', line 9

def name
  @name
end

#post_args ⇒ Object

Integer

number of args after splat



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# File 'lib/rubinius/bridge/compiled_code.rb', line 14

def post_args
  @post_args
end

#primitive ⇒ Object

Returns the value of attribute primitive.



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# File 'lib/rubinius/bridge/compiled_code.rb', line 24

def primitive
  @primitive
end

#required_args ⇒ Object

Integer

number of required args



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# File 'lib/rubinius/bridge/compiled_code.rb', line 13

def required_args
  @required_args
end

#scope ⇒ Object

ConstantScope

scope for looking up constants



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# File 'lib/rubinius/bridge/compiled_code.rb', line 21

def scope
  @scope
end

#splat ⇒ Object

Integer

POSITION of the splat arg



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# File 'lib/rubinius/bridge/compiled_code.rb', line 16

def splat
  @splat
end

#stack_size ⇒ Object

Integer

size of stack at compile time



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# File 'lib/rubinius/bridge/compiled_code.rb', line 11

def stack_size
  @stack_size
end

#total_args ⇒ Object

Integer

number of total args



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# File 'lib/rubinius/bridge/compiled_code.rb', line 15

def total_args
  @total_args
end

Instance Method Details

#add_metadata(key, val) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/rubinius/bridge/compiled_code.rb', line 41

def add_metadata(key, val)
  raise TypeError, "key must be a symbol" unless key.kind_of? Symbol

  case val
  when true, false, Symbol, Fixnum, String
    # ok
  else
    raise TypeError, "invalid type of value"
  end

  @metadata ||= nil # to deal with MRI seeing @metadata as not set

  unless @metadata
    @metadata = Tuple.new(2)
    @metadata[0] = key
    @metadata[1] = val
    return val
  end

  i = 0
  fin = @metadata.size

  while i < fin
    if @metadata[i] == key
      @metadata[i + 1] = val
      return val
    end

    i += 2
  end

  tup = Tuple.new(fin + 2)
  tup.copy_from @metadata, 0, fin, 0
  tup[fin] = key
  tup[fin + 1] = val

  @metadata = tup

  return val
end

#code_id ⇒ Object 



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# File 'lib/rubinius/bridge/compiled_code.rb', line 37

def code_id
  @code_id || (@code_id = SecureRandom.hex(CODE_ID_BYTES))
end

#decode(bytecodes = @iseq) ⇒ Object 



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# File 'lib/rubinius/bridge/compiled_code.rb', line 31

def decode(bytecodes = @iseq)
  # TODO
end