Class: Xumlidot::Parsers::MethodSignature

Inherits:
MethodBasedSexpProcessor
  • Object
show all
Defined in:
lib/xumlidot/parsers/method_signature.rb

Overview

Parser for the arguments to a method

e.g. formats def method(a, b = nil)

to a string 'a, b = nil'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(exp, superclass_method = false) ⇒ MethodSignature

Returns a new instance of MethodSignature.



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# File 'lib/xumlidot/parsers/method_signature.rb', line 21

def initialize(exp, superclass_method = false)
  super()

  @definition = ::Xumlidot::Types::MethodSignature.new
  @definition.visibility = Scope.get_visibility
  @definition.args = Args.new(exp.dup[0..2]).definition # only pass the method definition into args
  @definition.superclass_method = superclass_method

  #@assignments = Assignments.new

  process(exp)
end

Instance Attribute Details

#definition ⇒ Object (readonly)

Container for values assigned to a variable class Assignments < Hash end



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# File 'lib/xumlidot/parsers/method_signature.rb', line 19

def definition
  @definition
end

Instance Method Details

#process_call(exp) ⇒ Object

CALLS TODO: We need a seperate assignment class to parse these especially assignments so that we can attempt to work out types



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# File 'lib/xumlidot/parsers/method_signature.rb', line 66

def process_call(exp)
  exp.shift # remove the :call

  recv = process(exp.shift) # recv
  name = exp.shift
  args = process(exp.shift) # args

  exp
rescue Exception => e
  if ENV["XUMLIDOT_DEBUG"]
    STDERR.puts "ERROR (MethodSignature#process_call) #{e.message}"
    STDERR.puts e.backtrace.reverse
  end
  exp
end

#process_defn(exp) ⇒ Object 



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# File 'lib/xumlidot/parsers/method_signature.rb', line 38

def process_defn(exp)
  exp.shift unless auto_shift_type # node type
  exp.shift if exp.first.is_a?(Sexp) && exp.first.value == :self # remove :self

  @definition.name = exp.shift
  @definition.file = exp.file
  @definition.line_number = exp.line
  @definition.line_max = exp.line_max

  more = exp.shift
  process(more) if more.is_a?(Sexp) && !more.empty?
  s()
rescue Exception => e
  STDERR.puts " ** bug: unable to proces defn #{exp}"
  if ENV["XUMLIDOT_DEBUG"]
    STDERR.puts "ERROR (MethodSignature#process_defn) #{e.message}"
    STDERR.puts e.backtrace.reverse
  end
  s()
end

#process_defs(exp) ⇒ Object 



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# File 'lib/xumlidot/parsers/method_signature.rb', line 59

def process_defs(exp)
  process_defn(exp)
end

#process_lasgn(exp) ⇒ Object 



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# File 'lib/xumlidot/parsers/method_signature.rb', line 82

def process_lasgn(exp)
  exp.shift # remove :lasgn

  name = exp.shift.to_s
  value = exp.shift

  #@assignments[name] = value

  process(value)
  s()
end

#to_s ⇒ Object 



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# File 'lib/xumlidot/parsers/method_signature.rb', line 34

def to_s
  @definition.to_s
end