Class: ANTLR3::Template::Context

Inherits:

Object

• Object
• ANTLR3::Template::Context

show all

Defined in:

lib/antlr3/template.rb

Constant Summary

VARIABLE_FORM =

/^(@)?[a-z_\x80-\xff][\w\x80-\xff]*$/

SETTER_FORM =

/^([a-z_\x80-\xff][\w\x80-\xff]*)=$/

ATTR_FORM =

/^[a-z_\x80-\xff][\w\x80-\xff]*$/

Class Attribute Summary (collapse)

• + (Object) group readonly

  Returns the value of attribute group.

• + (Object) name readonly

  Returns the value of attribute name.

• + (Object) parameters

  Returns the value of attribute parameters.

Class Method Summary (collapse)

• + (Object) define(group, name, parameters)
• + (Object) define_alias(name)

Instance Method Summary (collapse)

• - (Object) <<(variable_map)
• - (Object) [](name)
• - (Object) []=(name, value)
• - (Context) initialize(variable_map = nil) constructor

  A new instance of Context.

• - (Object) method_missing(method, *args)

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# File 'lib/antlr3/template.rb', line 266

def initialize( variable_map = nil )
  variable_map and self << variable_map
  block_given? and yield( self )
end

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# File 'lib/antlr3/template.rb', line 241

def method_missing( method, *args )
  case name = method.to_s
  when SETTER_FORM then return( self[ $1 ] = args.first )
  when ATTR_FORM
    args.empty? and has_ivar?( name ) and return( self[ name ] )
  end
  super
end

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# File 'lib/antlr3/template.rb', line 217

def group
  @group
end

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# File 'lib/antlr3/template.rb', line 217

def name
  @name
end

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# File 'lib/antlr3/template.rb', line 217

def parameters
  @parameters
end

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# File 'lib/antlr3/template.rb', line 228

def define( group, name, parameters )
  Class.new( self ) do
    include( group )
    
    @group = group
    @name  = name
    @parameters = parameters
    
    block_given? and yield( self )
  end
end

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# File 'lib/antlr3/template.rb', line 220

def define_alias( name )
  new = clone
  new.name = name
  new.group = @group
  block_given? and yield( new )
  return( new )
end

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# File 'lib/antlr3/template.rb', line 259

def <<( variable_map )
  variable_map.each_pair do | name, value |
    self[ name ] = value
  end
  return( self )
end

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# File 'lib/antlr3/template.rb', line 254

def []( name )
  name = make_ivar( name )
  instance_variable_defined?( name ) ? instance_variable_get( name ) : nil
end

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# File 'lib/antlr3/template.rb', line 250

def []=( name, value )
  instance_variable_set( make_ivar( name ), value )
end