Class: ANTLR3::Template::ParameterList

Inherits:

Array

• Object
• Array
• ANTLR3::Template::ParameterList

show all

Defined in:

lib/antlr3/template.rb,
lib/antlr3/template/parameter.rb

Instance Attribute Summary (collapse)

• - (Object) block

  Returns the value of attribute block.

• - (Object) splat

  Returns the value of attribute splat.

Class Method Summary (collapse)

• + (Object) default

Instance Method Summary (collapse)

• - (Object) add(name, default = nil)
• - (Object) names
• - (Object) to_s

Methods inherited from Array

#pad, #pad!

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# File 'lib/antlr3/template.rb', line 294

def block
  @block
end

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# File 'lib/antlr3/template.rb', line 294

def splat
  @splat
end

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# File 'lib/antlr3/template.rb', line 296

def self.default
  new.add( :values ) do | p |
    p.default = '{}'
  end
end

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# File 'lib/antlr3/template.rb', line 309

def add( name, default = nil )
  param =
    case name
    when Parameter then name
    else Parameter.new( name.to_s )
    end
  if options
    default = options[ :default ] and param.default = default
    param.splat = options.fetch( :splat, false )
    param.block = options.fetch( :block, false )
  end
  block_given? and yield( param )
  push( param )
  return( self )
end

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# File 'lib/antlr3/template.rb', line 302

def names
  names = map { | param | param.name.to_s }
  @splat and names << @splat.to_s
  @block and names << @block.to_s
  return( names )
end

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# File 'lib/antlr3/template.rb', line 325

def to_s
  signature = join( ', ' )
  @splat and signature << ", *" << @splat.to_s
  @block and signature << ", &" << @block.to_s
  return( signature )
end